CN115321770B - High-efficiency energy-saving ventilation equipment for livestock manure fermentation - Google Patents
High-efficiency energy-saving ventilation equipment for livestock manure fermentation Download PDFInfo
- Publication number
- CN115321770B CN115321770B CN202210997327.5A CN202210997327A CN115321770B CN 115321770 B CN115321770 B CN 115321770B CN 202210997327 A CN202210997327 A CN 202210997327A CN 115321770 B CN115321770 B CN 115321770B
- Authority
- CN
- China
- Prior art keywords
- wall
- sealing
- shaped
- vortex
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/60—Heating or cooling during the treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
- C05F17/971—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
- C05F17/979—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material the other material being gaseous
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
- C05F3/06—Apparatus for the manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biotechnology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Manufacturing & Machinery (AREA)
- Housing For Livestock And Birds (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses efficient energy-saving ventilation equipment for livestock manure fermentation, which relates to the technical field of manure fermentation. In the ventilation process of the ventilating duct, the temperature of the ventilating duct can be maintained at 30 ℃ by utilizing flowing cold water to match with the mutual matching of the semiconductor refrigeration chips, so that methane mixing explosion is further avoided, the safety of equipment in the ventilation process is improved, the sealing performance of the cylindrical sealing air bag at the bottom can be ensured, and the overflow of methane in the ventilating duct is avoided.
Description
Technical Field
The invention relates to the technical field of fecal fermentation, in particular to efficient energy-saving ventilation equipment for livestock and poultry fecal fermentation.
Background
The most commonly used livestock manure treatment is a high-temperature aerobic composting technology at present, wherein the high-temperature aerobic composting technology refers to a microbiological process of decomposing biodegradable organic solid waste into relatively stable humus substances by utilizing microorganisms under certain temperature, humidity and pH value conditions, and the process flow mainly comprises pretreatment, aerobic fermentation, post-treatment, storage and other working procedures, wherein the key working procedures are a pretreatment part and an aerobic fermentation part.
In the aerobic composting process, the oxygen content in the fermentation process is required to be strictly controlled, and ventilation and oxygen exchange are required to be regularly carried out, so that the orderly fermentation is ensured, in the ventilation process, the existing ventilation equipment is mostly used for directly oxygenating or directly discharging the gas in the fermentation tank, a large amount of methane gas exists in the fermentation tank due to long-time fermentation in the fermentation tank, and under the condition that the mixed concentration of the methane gas and air reaches 5% -15%, the danger of gas explosion exists when the mixed concentration of the methane gas and the air reaches high temperature, so that the use process has a larger potential safety hazard, and in the ventilation process, the sealing performance of the existing equipment is poor, and the gas leakage condition exists.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides high-efficiency energy-saving ventilation equipment for fermenting livestock and poultry feces.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a livestock manure ferment is with high-efficient energy-conserving ventilation equipment, includes the air pipe, air pipe one end is fixed with L type connecting pipe, and L type connecting pipe bottom is fixed with the intake pipe, limit groove has all been opened to intake pipe bottom both sides inner wall, and limit groove inner wall slip grafting has the stopper, the welding has the balancing weight between the stopper, methane sensor is installed to air pipe inner wall;
the inner wall of the middle part of the ventilating duct is provided with a sealing circular plate, the sealing circular plate is provided with a through vortex-shaped ventilating groove, one side of the sealing circular plate is provided with vortex-shaped sealing blocks in a fitting and rotating mode through a rotating shaft, the outer walls of the periphery of the vortex-shaped sealing blocks are provided with first fixing grooves distributed at equal intervals, the inner wall of each first fixing groove is fixedly adhered with a first magnet block, the outer walls of the periphery of the vortex-shaped sealing blocks, which are positioned in the ventilating duct, are welded with annular limiting frames, and the annular limiting frames are internally rotated and provided with first toothed rings;
the middle outer wall of the ventilating duct is fixedly provided with a cylindrical cooling cover, the outer wall of the cylindrical cooling cover is adhered with a heat insulation shell, the inner wall of one end of the cylindrical cooling cover is communicated with a water inlet pipe, and the inner wall of the other end of the cylindrical cooling cover is communicated with a water outlet pipe;
the one end that air pipe kept away from L type connecting pipe is fixed with annular connecting plate through the mounting bracket, and installs first solid fixed ring and second solid fixed ring on the outer wall of one side of connecting plate, first solid fixed ring top outer wall is opened there is the arc to lack the groove, and first solid fixed ring inner wall is opened there is the arc recess, arc recess inner wall slip is inlayed and is equipped with the second ring gear, and second ring gear meshing transmission has drive gear, and drive gear rotates and installs on annular connecting plate.
Further, the top of the balancing weight is connected with a cylindrical sealing air bag, the top of the cylindrical sealing air bag is communicated with an air charging pipe, a fixed block is arranged between the air charging pipe and the cylindrical sealing air bag, and the cylindrical sealing air bag is tightly matched with the inner wall of the air inlet pipe.
Further, the first fan is installed on the inner wall of one end, close to the L-shaped connecting pipe, of the ventilating duct, and the second fan is installed on the inner wall of one end, far away from the L-shaped connecting pipe, of the ventilating duct.
Furthermore, the cross section of the vortex-shaped sealing block is of an I-shaped structure, a sealing gasket is adhered to the outer wall of one side of the vortex-shaped sealing block, which is attached to the sealing circular plate, and the sealing circular plate and the vortex-shaped sealing block form fastening fit.
Further, the outer wall meshing transmission of first ring gear has first gear, and one side axle center position department of first gear installs waterproof motor, first gear fixed mounting is at the air pipe, and the inner wall of first ring gear is opened there is the second fixed slot that the equidistance distributes moreover, and the equal fixed mounting in inner wall department of second fixed slot has the second magnet piece, second magnet piece forms fastening cooperation with first magnet piece.
Further, the semiconductor refrigeration chips distributed at equal intervals are arranged on the peripheral outer wall of the cylindrical cooling cover, the heat absorbing surfaces of the semiconductor refrigeration chips face the inner wall of the cylindrical cooling cover, the heat radiating surfaces of the semiconductor refrigeration chips face the outside, and arc-shaped heat radiating fins are fixedly attached to the outer parts of the heat radiating surfaces of the semiconductor refrigeration chips.
Further, the second gear is meshed and driven at the top of the second gear ring, a servo motor is connected to the axis position of one side of the second gear, and the servo motor is fixed on the annular connecting plate through a mounting seat.
Further, sliding grooves are formed in the peripheral positions of the bottoms of the first fixing ring and the second fixing ring, sliding blocks are embedded in the inner walls of the sliding grooves, driving racks are welded to the outer portions of the bottoms of the sliding blocks, and the driving racks are meshed with the driving gears.
Further, the outer wall of the bottom of the driving rack is fixedly provided with a fan-shaped sealing plate through screws, the fan-shaped sealing plate forms a circular sealing plate, the outer wall of one side of the fan-shaped sealing plate, which is close to the ventilating duct, is of an inclined arc-shaped structure, and a sealing gasket is adhered to the outer wall of one side of the ventilating duct, which is close to the ventilating duct.
The first fan, the waterproof motor, the semiconductor refrigeration chip, the servo motor and the second fan are all connected with a PLC (programmable logic controller) through signal lines, and the PLC is connected with an external power supply.
The beneficial effects of the invention are as follows:
1. in the ventilation and sealing process of the pipeline, the fan-shaped sealing plate, the cylindrical sealing air bag, the vortex-shaped sealing block and the sealing circular plate are mutually attached, and are sealed in a triple sealing mode, so that the sealing performance of the pipeline can be effectively improved, the sealing performance of different stages of ventilation can be ensured, and the safety of the equipment is greatly improved;
2. according to the high-efficiency energy-saving ventilation equipment for fermenting the livestock manure, the methane sensor is arranged in the ventilation pipeline, the air flow of the segmented ventilation matched with the fan is utilized to accelerate, so that the safety in the ventilation process can be effectively ensured, the potential safety hazard of explosion caused by the fact that the mixed concentration of methane and air exceeds 5% is avoided, and the internal sealing part is also in an electroless manner in the unfolding and closing processes, so that the methane explosion is avoided, and the overall safety is greatly improved;
3. the high-efficiency energy-saving ventilation equipment for livestock manure fermentation is characterized in that in the ventilation process of a ventilation pipeline, flowing cold water is utilized to be matched with the semiconductor refrigeration chip, the temperature of the ventilation pipeline can be maintained at low temperature of 30 ℃, so that methane mixed explosion is further avoided, the safety of the equipment in the ventilation process is improved, the tightness of the cylindrical sealing air bag at the bottom can be ensured, and the overflow of internal methane is avoided.
Drawings
FIG. 1 is a front view of the whole three-dimensional structure of the high-efficiency energy-saving ventilation equipment for fermenting livestock and poultry manure;
fig. 2 is a side view of the whole three-dimensional structure of the high-efficiency energy-saving ventilation equipment for fermenting livestock and poultry manure;
FIG. 3 is a side view of a three-dimensional structure of a cylindrical cooling hood of the efficient energy-saving ventilation device for fermenting livestock and poultry manure;
fig. 4 is a schematic diagram of a split three-dimensional structure of an air inlet pipe of the efficient energy-saving ventilation device for livestock manure fermentation;
fig. 5 is a schematic diagram of a cylindrical sealing air bag structure of the efficient energy-saving ventilation device for fermenting livestock and poultry manure;
fig. 6 is a schematic diagram of the internal structure of a cylindrical cooling hood of the efficient energy-saving ventilation device for fermenting livestock and poultry manure;
fig. 7 is a side view of the three-dimensional structure of the interior of a ventilating duct of the efficient and energy-saving ventilating device for fermenting livestock and poultry manure;
fig. 8 is a schematic diagram of the split structure inside a ventilating duct of the efficient energy-saving ventilating device for fermenting livestock and poultry feces;
fig. 9 is a three-dimensional structural side view of a sealing mechanism of the efficient energy-saving ventilation device for livestock manure fermentation, which is provided by the invention;
fig. 10 is a schematic diagram of a split structure of a sealing mechanism of an efficient energy-saving ventilation device for fermenting livestock and poultry feces;
fig. 11 is a side view of a split structure of a sealing mechanism of the efficient energy-saving ventilation device for livestock manure fermentation.
In the figure: the device comprises a ventilation pipeline 1, a 2L-shaped connecting pipe, a 3 air inlet pipe, a 4 limiting groove, a 5 limiting block, a 6 balancing weight, a 7 cylindrical sealing airbag, an 8 fixing block, a 9 inflation pipe, a 10 first fan, a 11 sealing circular plate, a 12 vortex-shaped ventilation groove, a 13 vortex-shaped sealing block, a 14 first fixing groove, a 15 first magnet block, a 16 annular limiting frame, a 17 first toothed ring, a 18 first gear, a 19 waterproof motor, a 20 second fixing groove, a 21 second magnet block, a 22 cylindrical cooling cover, a 23 heat-insulating shell, a 24 semiconductor refrigeration chip, a 25 water inlet pipe, a 26 water outlet pipe, a 27 annular connecting plate, a 28 first fixing ring, a 29 second fixing ring, a 30 arc-shaped notch, a 31 arc-shaped groove, a 32 second toothed ring, a 33 sliding groove, a 34 sliding block, a 35 driving rack, a 36 driving gear, a 37 second gear, a 38 servo motor, a 39 fan-shaped sealing plate and a 40 second fan.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1:
referring to figures 1-5, the efficient energy-saving ventilation equipment for livestock manure fermentation comprises a ventilation pipeline 1, wherein an L-shaped connecting pipe 2 is fixed at one end of the ventilation pipeline 1, an air inlet pipe 3 is fixed at the bottom of the L-shaped connecting pipe 2, limit grooves 4 are formed in the inner walls of two sides of the bottom of the air inlet pipe 3, limit blocks 5 are inserted into the inner walls of the limit grooves 4 in a sliding manner, balancing weights 6 are welded between the limit blocks 5, and a methane sensor is arranged on the inner wall of the ventilation pipeline 1;
the top of the balancing weight 6 is connected with a cylindrical sealing air bag 7, the top of the cylindrical sealing air bag 7 is communicated with an air charging pipe 9, a fixed block 8 is arranged between the air charging pipe 9 and the cylindrical sealing air bag 7, and the cylindrical sealing air bag 7 is tightly matched with the inner wall of the air inlet pipe 3;
the middle inner wall of the ventilation pipeline 1 is provided with a sealing circular plate 11, the sealing circular plate 11 is provided with a through vortex-shaped ventilation groove 12, one side of the sealing circular plate 11 is provided with vortex-shaped sealing blocks 13 in a fitting and rotating way through a rotating shaft, the outer walls of the periphery of the vortex-shaped sealing blocks 13 are provided with first fixed grooves 14 distributed at equal intervals, the inner wall of each first fixed groove 14 is fixedly adhered with a first magnet block 15, the outer walls of the periphery of the vortex-shaped sealing blocks 13 positioned in the ventilation pipeline 1 are welded with annular limiting frames 16, and the annular limiting frames 16 are rotationally provided with first toothed rings 17;
the outer wall of the middle part of the ventilation pipeline 1 is fixed with a cylindrical cooling cover 22, the outer wall of the cylindrical cooling cover 22 is adhered with a heat preservation shell 23, the inner wall of one end of the cylindrical cooling cover 22 is communicated with a water inlet pipe 25, and the inner wall of the other end of the cylindrical cooling cover 22 is communicated with a water outlet pipe 26;
a first fan 10 is arranged on the inner wall of one end, close to the L-shaped connecting pipe 2, of the ventilating duct 1, a second fan 40 is arranged on the inner wall of one end, far away from the L-shaped connecting pipe 2, of the ventilating duct 1, the cross section of the vortex sealing block 13 is of an I-shaped structure, a sealing gasket is adhered to the outer wall of one side, close to the sealing circular plate 11, of the vortex sealing block 13, and the sealing circular plate 11 and the vortex sealing block 13 form a fastening fit;
the top of the second gear ring 32 is meshed with a second gear 37, a servo motor 38 is connected to the axial center position of one side of the second gear 37, the servo motor 38 is fixed on the annular connecting plate 27 through a mounting seat, sliding grooves 33 are formed in the peripheral positions of the bottoms of the first fixed ring 28 and the second fixed ring 29, sliding blocks 34 are embedded in the inner walls of the sliding grooves 33, driving racks 35 are welded outside the bottoms of the sliding blocks 34, and the driving racks 35 are meshed with the driving gears 36;
the outer wall of the bottom of the driving rack 35 is fixed with a fan-shaped sealing plate 39 through screws, 6 fan-shaped sealing plates 39 form a circular sealing plate, the outer wall of one side of the fan-shaped sealing plate 39 close to the ventilating duct 1 is of an inclined arc structure, the outer wall of one side of the ventilating duct 1 close to the ventilating duct 1 is adhered with a sealing gasket, the first fan 10, the waterproof motor 19, the semiconductor refrigeration chip 24, the servo motor 38 and the second fan 40 are all connected with a PLC through signal wires, and the PLC is connected with an external power supply;
an annular connecting plate 27 is fixed at one end, far away from the L-shaped connecting pipe 2, of the ventilating duct 1 through a mounting frame, a first fixed ring 28 and a second fixed ring 29 are mounted on the outer wall of one side of the connecting plate 27, an arc-shaped notch 30 is formed in the outer wall of the top of the first fixed ring 28, an arc-shaped groove 31 is formed in the inner wall of the first fixed ring 28, a second toothed ring 32 is slidably embedded in the inner wall of the arc-shaped groove 31, a driving gear 36 is meshed and transmitted to the second toothed ring 32, and the driving gear 36 is rotatably mounted on the annular connecting plate 27;
the semiconductor refrigeration chips 24 are arranged on the peripheral outer wall of the cylindrical cooling cover 22 in an equidistant mode, the heat absorption surfaces of the semiconductor refrigeration chips 24 face the inner wall of the cylindrical cooling cover 22, the heat dissipation surfaces of the semiconductor refrigeration chips 24 face the outside, and arc-shaped heat dissipation fins are fixedly attached to the outer parts of the heat dissipation surfaces of the semiconductor refrigeration chips 24;
the outer wall meshing transmission of first ring gear 17 has first gear 18, and one side axle center position department of first gear 18 installs waterproof motor 19, and first gear 18 fixed mounting is at ventilation pipeline 1, and the inner wall of first ring gear 17 is opened there is the second fixed slot 20 that the equidistance distributes moreover, and the equal fixed mounting of inner wall department of second fixed slot 20 has second magnet piece 21, and second magnet piece 21 forms fastening cooperation with first magnet piece 15.
When the efficient energy-saving ventilation equipment for fermenting livestock and poultry manure is used, firstly, the ventilation pipeline 1 is communicated with the L-shaped connecting pipe 2, then the air inlet pipe 3 is fixed at the bottom of the L-shaped connecting pipe 2, the air inlet pipe 3 is communicated with the manure fermentation vat, then the equipment is electrified, the water inlet pipe 25 is connected with an external cold water pipe, when air is required to be introduced into the fermentation vat, the servo motor 38 is controlled by the PLC controller to drive the second gear 37 to rotate, the second gear 37 is utilized to drive the second toothed ring 32 to rotate, thereby driving the driving gear 36 in the second toothed ring 37 to rotate, at the moment, the driving gear 36 is meshed with the driving rack 35 which drives the bottom to move, the fan-shaped sealing plate 39 is unfolded, so that the second fan 40 can draw outside air into the ventilation pipeline 1, then the fan-shaped sealing plate 39 is closed, then the waterproof motor 19 is started, the first gear 18 is driven to rotate by the waterproof motor 19, thereby meshing and driving the first toothed ring 17 to rotate, and the second magnet block 21 on the inner wall of the first toothed ring 17 adsorbs and fixes the first magnet block 15, the first magnet block 15 is utilized to drive the vortex block 13 to rotate, thereby driving the vortex block 13 to rotate, the vortex block 11 is driven by the first magnet block 13 to rotate, the hollow circular block 11 is driven by the first magnet block 13, the cylindrical sealing plate 13 is driven by the cylindrical sealing plate 7, and then the air inlet pump 7 is sealed by the cylindrical sealing plate 7, and the air inlet duct is sealed by the sealing plate 7, and the sealing plate is sealed by the cylindrical sealing plate, and the sealing plate 13, and the sealing groove is sealed inside the inner wall.
Example 2:
referring to fig. 2-9, the efficient energy-saving ventilation equipment for livestock manure fermentation comprises a ventilation pipeline 1, wherein an L-shaped connecting pipe 2 is fixed at one end of the ventilation pipeline 1, an air inlet pipe 3 is fixed at the bottom of the L-shaped connecting pipe 2, limit grooves 4 are formed in the inner walls of two sides of the bottom of the air inlet pipe 3, limit blocks 5 are inserted into the inner walls of the limit grooves 4 in a sliding manner, balancing weights 6 are welded between the limit blocks 5, and a methane sensor is arranged on the inner wall of the ventilation pipeline 1;
the top of the balancing weight 6 is connected with a cylindrical sealing air bag 7, the top of the cylindrical sealing air bag 7 is communicated with an air charging pipe 9, a fixed block 8 is arranged between the air charging pipe 9 and the cylindrical sealing air bag 7, and the cylindrical sealing air bag 7 is tightly matched with the inner wall of the air inlet pipe 3;
the middle inner wall of the ventilation pipeline 1 is provided with a sealing circular plate 11, the sealing circular plate 11 is provided with a through vortex-shaped ventilation groove 12, one side of the sealing circular plate 11 is provided with vortex-shaped sealing blocks 13 in a fitting and rotating way through a rotating shaft, the outer walls of the periphery of the vortex-shaped sealing blocks 13 are provided with first fixed grooves 14 distributed at equal intervals, the inner wall of each first fixed groove 14 is fixedly adhered with a first magnet block 15, the outer walls of the periphery of the vortex-shaped sealing blocks 13 positioned in the ventilation pipeline 1 are welded with annular limiting frames 16, and the annular limiting frames 16 are rotationally provided with first toothed rings 17;
the outer wall of the middle part of the ventilation pipeline 1 is fixed with a cylindrical cooling cover 22, the outer wall of the cylindrical cooling cover 22 is adhered with a heat preservation shell 23, the inner wall of one end of the cylindrical cooling cover 22 is communicated with a water inlet pipe 25, and the inner wall of the other end of the cylindrical cooling cover 22 is communicated with a water outlet pipe 26;
a first fan 10 is arranged on the inner wall of one end, close to the L-shaped connecting pipe 2, of the ventilating duct 1, a second fan 40 is arranged on the inner wall of one end, far away from the L-shaped connecting pipe 2, of the ventilating duct 1, the cross section of the vortex sealing block 13 is of an I-shaped structure, a sealing gasket is adhered to the outer wall of one side, close to the sealing circular plate 11, of the vortex sealing block 13, and the sealing circular plate 11 and the vortex sealing block 13 form a fastening fit;
the top of the second gear ring 32 is meshed with a second gear 37, a servo motor 38 is connected to the axial center position of one side of the second gear 37, the servo motor 38 is fixed on the annular connecting plate 27 through a mounting seat, sliding grooves 33 are formed in the peripheral positions of the bottoms of the first fixed ring 28 and the second fixed ring 29, sliding blocks 34 are embedded in the inner walls of the sliding grooves 33, driving racks 35 are welded outside the bottoms of the sliding blocks 34, and the driving racks 35 are meshed with the driving gears 36;
the outer wall of the bottom of the driving rack 35 is fixed with a fan-shaped sealing plate 39 through screws, 6 fan-shaped sealing plates 39 form a circular sealing plate, the outer wall of one side of the fan-shaped sealing plate 39 close to the ventilating duct 1 is of an inclined arc structure, the outer wall of one side of the ventilating duct 1 close to the ventilating duct 1 is adhered with a sealing gasket, the first fan 10, the waterproof motor 19, the semiconductor refrigeration chip 24, the servo motor 38 and the second fan 40 are all connected with a PLC through signal wires, and the PLC is connected with an external power supply;
an annular connecting plate 27 is fixed at one end, far away from the L-shaped connecting pipe 2, of the ventilating duct 1 through a mounting frame, a first fixed ring 28 and a second fixed ring 29 are mounted on the outer wall of one side of the connecting plate 27, an arc-shaped notch 30 is formed in the outer wall of the top of the first fixed ring 28, an arc-shaped groove 31 is formed in the inner wall of the first fixed ring 28, a second toothed ring 32 is slidably embedded in the inner wall of the arc-shaped groove 31, a driving gear 36 is meshed and transmitted to the second toothed ring 32, and the driving gear 36 is rotatably mounted on the annular connecting plate 27;
the semiconductor refrigeration chips 24 are arranged on the peripheral outer wall of the cylindrical cooling cover 22 in an equidistant mode, the heat absorption surfaces of the semiconductor refrigeration chips 24 face the inner wall of the cylindrical cooling cover 22, the heat dissipation surfaces of the semiconductor refrigeration chips 24 face the outside, and arc-shaped heat dissipation fins are fixedly attached to the outer parts of the heat dissipation surfaces of the semiconductor refrigeration chips 24;
the outer wall meshing transmission of first ring gear 17 has first gear 18, and one side axle center position department of first gear 18 installs waterproof motor 19, and first gear 18 fixed mounting is at ventilation pipeline 1, and the inner wall of first ring gear 17 is opened there is the second fixed slot 20 that the equidistance distributes moreover, and the equal fixed mounting of inner wall department of second fixed slot 20 has second magnet piece 21, and second magnet piece 21 forms fastening cooperation with first magnet piece 15.
When the efficient energy-saving ventilation equipment for fermenting livestock and poultry manure is used for exhausting, firstly, a ventilation pipeline 1 is communicated with an L-shaped connecting pipe 2, then an air inlet pipe 3 is fixed at the bottom of the L-shaped connecting pipe 2, the air inlet pipe 3 is communicated with a manure fermentation tank, then the equipment is electrified, a water inlet pipe 25 is connected with an external cold water pipe, after the connection is finished, an air charging pipe 9 is connected with an air pump, the air of a cylindrical sealing air bag 7 is pumped out, the conical sealing air bag 7 is shriveled, a balancing weight 6 at the bottom straightens the cylindrical sealing air bag 7, so that methane gas in the fermentation tank enters the L-shaped connecting pipe 2, then the air charging pipe 9 is inflated, the cylindrical sealing air bag 7 is inflated and tightly attached to the inner wall of the air inlet pipe 3 to realize sealing, at the moment, the concentration of the methane gas is detected in the ventilation pipeline 1, and the waterproof motor 19 is controlled by the PLC to drive, the waterproof motor 19 drives the first gear 18 to rotate, so as to be meshed to drive the first toothed ring 17 to rotate, the second magnet block 21 on the inner wall of the first toothed ring 17 adsorbs and fixes the first magnet block 15, the first magnet block 15 drives the vortex sealing block 13 to rotate, thereby dislocating the vortex ventilating slot 12 on the sealing circular plate 11 and the vortex sealing block 13, the first fan 10 is used for sucking methane into the middle part of the ventilating duct 1, when the methane concentration reaches 5%, the communication between the vortex ventilating slot 12 and the vortex sealing block 13 is closed, the semiconductor refrigerating chip 24 is started, the water body inside the cylindrical cooling cover 22 is cooled by the semiconductor refrigerating chip 24, so that the temperature inside the ventilating duct 1 is ensured to be lower than 30 ℃, then the servo motor 38 is controlled by the PLC to drive the second gear 37 to rotate, the second gear 37 is utilized to drive the second toothed ring 32 to rotate, so that the driving gear 36 in the second toothed ring 37 is driven to rotate, at the moment, the driving gear 36 is meshed with the driving rack 35 at the bottom to move, the fan-shaped sealing plate 39 is unfolded, and therefore the second fan 40 can discharge methane gas in the ventilating duct 1 and circularly reciprocate to continuously and slowly discharge methane, and explosion caused by overhigh methane concentration is avoided.
Example 3:
referring to fig. 5-11, the efficient energy-saving ventilation equipment for livestock manure fermentation comprises a ventilation pipeline 1, wherein an L-shaped connecting pipe 2 is fixed at one end of the ventilation pipeline 1, an air inlet pipe 3 is fixed at the bottom of the L-shaped connecting pipe 2, limit grooves 4 are formed in the inner walls of two sides of the bottom of the air inlet pipe 3, limit blocks 5 are inserted into the inner walls of the limit grooves 4 in a sliding manner, balancing weights 6 are welded between the limit blocks 5, and a methane sensor is arranged on the inner wall of the ventilation pipeline 1;
the top of the balancing weight 6 is connected with a cylindrical sealing air bag 7, the top of the cylindrical sealing air bag 7 is communicated with an air charging pipe 9, a fixed block 8 is arranged between the air charging pipe 9 and the cylindrical sealing air bag 7, and the cylindrical sealing air bag 7 is tightly matched with the inner wall of the air inlet pipe 3;
the middle inner wall of the ventilation pipeline 1 is provided with a sealing circular plate 11, the sealing circular plate 11 is provided with a through vortex-shaped ventilation groove 12, one side of the sealing circular plate 11 is provided with vortex-shaped sealing blocks 13 in a fitting and rotating way through a rotating shaft, the outer walls of the periphery of the vortex-shaped sealing blocks 13 are provided with first fixed grooves 14 distributed at equal intervals, the inner wall of each first fixed groove 14 is fixedly adhered with a first magnet block 15, the outer walls of the periphery of the vortex-shaped sealing blocks 13 positioned in the ventilation pipeline 1 are welded with annular limiting frames 16, and the annular limiting frames 16 are rotationally provided with first toothed rings 17;
in the ventilation and sealing process of the pipeline, the fan-shaped sealing plate 39, the cylindrical sealing air bag 7, the vortex-shaped sealing block 13 and the sealing circular plate 11 are mutually attached, and are sealed in a triple sealing mode, so that the sealing performance of the pipeline can be effectively improved, the sealing performance of different stages of ventilation can be ensured, and the safety of equipment is greatly improved;
the outer wall of the middle part of the ventilation pipeline 1 is fixed with a cylindrical cooling cover 22, the outer wall of the cylindrical cooling cover 22 is adhered with a heat preservation shell 23, the inner wall of one end of the cylindrical cooling cover 22 is communicated with a water inlet pipe 25, and the inner wall of the other end of the cylindrical cooling cover 22 is communicated with a water outlet pipe 26;
a first fan 10 is arranged on the inner wall of one end, close to the L-shaped connecting pipe 2, of the ventilating duct 1, a second fan 40 is arranged on the inner wall of one end, far away from the L-shaped connecting pipe 2, of the ventilating duct 1, the cross section of the vortex sealing block 13 is of an I-shaped structure, a sealing gasket is adhered to the outer wall of one side, close to the sealing circular plate 11, of the vortex sealing block 13, and the sealing circular plate 11 and the vortex sealing block 13 form a fastening fit;
the methane sensor is arranged in the ventilating duct 1, the air flow of the segmented ventilation matched with the fan is utilized to accelerate, the safety in the ventilation process can be effectively ensured, the potential safety hazard of explosion caused by the fact that the mixed concentration of methane and air exceeds 5% is avoided, and the internal sealing component is also in an electroless mode in the unfolding and closing processes, so that methane explosion is avoided;
the top of the second gear ring 32 is meshed with a second gear 37, a servo motor 38 is connected to the axial center position of one side of the second gear 37, the servo motor 38 is fixed on the annular connecting plate 27 through a mounting seat, sliding grooves 33 are formed in the peripheral positions of the bottoms of the first fixed ring 28 and the second fixed ring 29, sliding blocks 34 are embedded in the inner walls of the sliding grooves 33, driving racks 35 are welded outside the bottoms of the sliding blocks 34, and the driving racks 35 are meshed with the driving gears 36;
the outer wall of the bottom of the driving rack 35 is fixed with a fan-shaped sealing plate 39 through screws, 6 fan-shaped sealing plates 39 form a circular sealing plate, the outer wall of one side of the fan-shaped sealing plate 39 close to the ventilating duct 1 is of an inclined arc structure, the outer wall of one side of the ventilating duct 1 close to the ventilating duct 1 is adhered with a sealing gasket, the first fan 10, the waterproof motor 19, the semiconductor refrigeration chip 24, the servo motor 38 and the second fan 40 are all connected with a PLC through signal wires, and the PLC is connected with an external power supply;
an annular connecting plate 27 is fixed at one end, far away from the L-shaped connecting pipe 2, of the ventilating duct 1 through a mounting frame, a first fixed ring 28 and a second fixed ring 29 are mounted on the outer wall of one side of the connecting plate 27, an arc-shaped notch 30 is formed in the outer wall of the top of the first fixed ring 28, an arc-shaped groove 31 is formed in the inner wall of the first fixed ring 28, a second toothed ring 32 is slidably embedded in the inner wall of the arc-shaped groove 31, a driving gear 36 is meshed and transmitted to the second toothed ring 32, and the driving gear 36 is rotatably mounted on the annular connecting plate 27;
in the ventilation process of the ventilation pipeline 1, the temperature of the ventilation pipeline 1 can be maintained at low temperature of 30 ℃ by utilizing flowing cold water to match with the mutual matching of the semiconductor refrigeration chips 24, so that methane mixing explosion is further avoided, the safety of equipment in the ventilation process is improved, the sealing performance of the cylindrical sealing air bag 7 at the bottom can be ensured, and the internal methane overflow is avoided;
the semiconductor refrigeration chips 24 are arranged on the peripheral outer wall of the cylindrical cooling cover 22 in an equidistant mode, the heat absorption surfaces of the semiconductor refrigeration chips 24 face the inner wall of the cylindrical cooling cover 22, the heat dissipation surfaces of the semiconductor refrigeration chips 24 face the outside, and arc-shaped heat dissipation fins are fixedly attached to the outer parts of the heat dissipation surfaces of the semiconductor refrigeration chips 24;
the outer wall meshing transmission of first ring gear 17 has first gear 18, and one side axle center position department of first gear 18 installs waterproof motor 19, and first gear 18 fixed mounting is at ventilation pipeline 1, and the inner wall of first ring gear 17 is opened there is the second fixed slot 20 that the equidistance distributes moreover, and the equal fixed mounting of inner wall department of second fixed slot 20 has second magnet piece 21, and second magnet piece 21 forms fastening cooperation with first magnet piece 15.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The efficient energy-saving ventilation equipment for livestock manure fermentation comprises a ventilation pipeline (1), and is characterized in that one end of the ventilation pipeline (1) is fixedly provided with an L-shaped connecting pipe (2), the bottom of the L-shaped connecting pipe (2) is fixedly provided with an air inlet pipe (3), two side inner walls at the bottom of the air inlet pipe (3) are provided with limiting grooves (4), the inner walls of the limiting grooves (4) are slidably inserted with limiting blocks (5), a balancing weight (6) is welded between the limiting blocks (5), and the inner wall of the ventilation pipeline (1) is provided with a methane sensor;
the sealing circular plate (11) is arranged on the inner wall of the middle of the ventilating duct (1), the sealing circular plate (11) is provided with a through vortex-shaped ventilating groove (12), one side of the sealing circular plate (11) is provided with a vortex-shaped sealing block (13) in a fitting and rotating mode through a rotating shaft, the outer wall of the periphery of the vortex-shaped sealing block (13) is provided with first fixed grooves (14) distributed at equal intervals, the inner wall of the first fixed groove (14) is fixedly adhered with first magnet blocks (15), the outer wall of the periphery of the vortex-shaped sealing block (13) positioned on the ventilating duct (1) is welded with an annular limiting frame (16), and the annular limiting frame (16) is rotationally provided with first toothed rings (17);
a cylindrical cooling cover (22) is fixed on the outer wall of the middle part of the ventilation pipeline (1), a heat insulation shell (23) is adhered to the outer wall of the cylindrical cooling cover (22), a water inlet pipe (25) is communicated with the inner wall of one end of the cylindrical cooling cover (22), and a water outlet pipe (26) is communicated with the inner wall of the other end of the cylindrical cooling cover (22);
an annular connecting plate (27) is fixed at one end, far away from the L-shaped connecting pipe (2), of the ventilating duct (1) through a mounting frame, a first fixing ring (28) and a second fixing ring (29) are mounted on the outer wall of one side of the annular connecting plate (27), an arc-shaped groove (30) is formed in the outer wall of the top of the first fixing ring (28), an arc-shaped groove (31) is formed in the inner wall of the first fixing ring (28), a second toothed ring (32) is slidably embedded in the inner wall of the arc-shaped groove (31), a driving gear (36) is meshed and transmitted to the second toothed ring (32), and the driving gear (36) is rotatably mounted on the annular connecting plate (27);
the top of the balancing weight (6) is connected with a cylindrical sealing air bag (7), the top of the cylindrical sealing air bag (7) is communicated with an air charging pipe (9), a fixed block (8) is arranged between the air charging pipe (9) and the cylindrical sealing air bag (7), and the cylindrical sealing air bag (7) is tightly matched with the inner wall of the air inlet pipe (3);
the outer wall of the first toothed ring (17) is in meshed transmission with a first gear (18), a waterproof motor (19) is arranged at the axial center position of one side of the first gear (18), the first gear (18) is fixedly arranged on a ventilating duct (1), second fixing grooves (20) distributed at equal intervals are formed in the inner wall of the first toothed ring (17), second magnet blocks (21) are fixedly arranged at the inner wall of each second fixing groove (20), and the second magnet blocks (21) and the first magnet blocks (15) form fastening fit;
sliding grooves (33) are formed in the peripheral positions of the bottoms of the first fixing ring (28) and the second fixing ring (29), sliding blocks (34) are embedded in the inner walls of the sliding grooves (33), driving racks (35) are welded outside the bottoms of the sliding blocks (34), and the driving racks (35) are meshed with driving gears (36);
the outer wall of the bottom of the driving rack (35) is fixedly provided with a fan-shaped sealing plate (39) through screws, the 6 fan-shaped sealing plates (39) form a round sealing plate, the outer wall of one side of the fan-shaped sealing plate (39) close to the ventilating duct (1) is of an inclined arc structure, and a sealing gasket is adhered to the outer wall of one side of the ventilating duct (1) close to the ventilating duct (1).
2. The efficient and energy-saving ventilation equipment for livestock manure fermentation according to claim 1, wherein a first fan (10) is installed on the inner wall of one end of the ventilation pipeline (1) close to the L-shaped connecting pipe (2), and a second fan (40) is installed on the inner wall of one end of the ventilation pipeline (1) far away from the L-shaped connecting pipe (2).
3. The efficient energy-saving ventilation equipment for livestock manure fermentation according to claim 2, wherein the cross section of the vortex-shaped sealing block (13) is of an I-shaped structure, a sealing gasket is adhered to the outer wall of one side of the vortex-shaped sealing block (13) attached to the sealing circular plate (11), and the sealing circular plate (11) and the vortex-shaped sealing block (13) form a fastening fit.
4. The efficient energy-saving ventilation device for livestock manure fermentation according to claim 3, wherein the semiconductor refrigeration chips (24) distributed at equal intervals are mounted on the peripheral outer wall of the cylindrical cooling cover (22), the heat absorption surfaces of the semiconductor refrigeration chips (24) face the inner wall of the cylindrical cooling cover (22), the heat dissipation surfaces of the semiconductor refrigeration chips (24) face the outside, and arc-shaped heat dissipation fins are fixedly attached to the outer parts of the heat dissipation surfaces of the semiconductor refrigeration chips (24).
5. The efficient energy-saving ventilation equipment for livestock manure fermentation according to claim 4, wherein a second gear (37) is meshed and driven at the top of the second toothed ring (32), a servo motor (38) is connected to the shaft center position on one side of the second gear (37), and the servo motor (38) is fixed on the annular connecting plate (27) through a mounting seat.
6. The efficient and energy-saving ventilation device for livestock manure fermentation according to claim 5, wherein the first fan (10), the waterproof motor (19), the semiconductor refrigeration chip (24), the servo motor (38) and the second fan (40) are all connected with a PLC (programmable logic controller) through signal wires, and the PLC is connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997327.5A CN115321770B (en) | 2022-08-19 | 2022-08-19 | High-efficiency energy-saving ventilation equipment for livestock manure fermentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997327.5A CN115321770B (en) | 2022-08-19 | 2022-08-19 | High-efficiency energy-saving ventilation equipment for livestock manure fermentation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115321770A CN115321770A (en) | 2022-11-11 |
| CN115321770B true CN115321770B (en) | 2023-07-18 |
Family
ID=83925615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210997327.5A Active CN115321770B (en) | 2022-08-19 | 2022-08-19 | High-efficiency energy-saving ventilation equipment for livestock manure fermentation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115321770B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798698A (en) * | 2011-05-26 | 2012-11-28 | 北京中立格林控制技术有限公司 | Internet of things gas monitoring and warning device |
| CN113820180A (en) * | 2021-09-22 | 2021-12-21 | 余智芳 | River water sampling detection device for environment assessment and use method thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3201204A (en) * | 1960-08-30 | 1965-08-17 | Montedison Spa | Furnace apparatus for producing acetylene from methane |
| CN103538816A (en) * | 2013-06-11 | 2014-01-29 | 上海铵培化工装备有限公司 | Fluidization inflaming retarding storage trough (tank) |
| CN103439172A (en) * | 2013-08-31 | 2013-12-11 | 王景熙 | Mining methane concentration detection device |
| CN103982216B (en) * | 2014-05-23 | 2016-05-25 | 中国水利水电第七工程局有限公司 | A kind of diesel locomotive explosion-proof method of highway gas tunnel |
| CN203822352U (en) * | 2014-05-23 | 2014-09-10 | 中国水利水电第七工程局有限公司 | Explosion-proof system for diesel locomotive in road gas tunnel |
| US20180238571A1 (en) * | 2015-05-27 | 2018-08-23 | Xtralis Global | Ventilation system |
| CN206786980U (en) * | 2017-06-08 | 2017-12-22 | 北京金茂绿建科技有限公司 | A kind of deflector for ventilation shaft |
| CN107065707A (en) * | 2017-06-14 | 2017-08-18 | 合肥易美特建材有限公司 | A kind of biogas fermentation managing and control system based on radio communication |
| CN108146451A (en) * | 2018-01-03 | 2018-06-12 | 冯政尧 | Sealing pipeline high speed rail system |
| KR102002951B1 (en) * | 2018-01-29 | 2019-07-24 | 주식회사 파나시아 | LNG Fuel Gas Supply System |
| CN113189928A (en) * | 2020-01-14 | 2021-07-30 | 湖北师范大学 | Mining flame-proof and intrinsic safety type PLC control box |
| CN214370746U (en) * | 2020-12-11 | 2021-10-08 | 德清洁云环境技术有限公司 | Energy-saving ventilating duct for building |
-
2022
- 2022-08-19 CN CN202210997327.5A patent/CN115321770B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798698A (en) * | 2011-05-26 | 2012-11-28 | 北京中立格林控制技术有限公司 | Internet of things gas monitoring and warning device |
| CN113820180A (en) * | 2021-09-22 | 2021-12-21 | 余智芳 | River water sampling detection device for environment assessment and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115321770A (en) | 2022-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111500442A (en) | T cell culture equipment for clinical application of cellular immunotherapy | |
| CN115321770B (en) | High-efficiency energy-saving ventilation equipment for livestock manure fermentation | |
| CN211847745U (en) | Fermenting installation is used in organic fertilizer production | |
| CN217516944U (en) | Compound microbial fermentation device | |
| CN201313899Y (en) | Novel circulating packed bed reactor | |
| CN105368708B (en) | A kind of Horizontal type solid fermentation system | |
| CN108330064A (en) | Solid material continuous sterilization and Zymolysis Equipment and continuous sterilization and fermentation system | |
| CN101397538A (en) | Novel circulation-type packed bed reactor | |
| CN108690800A (en) | A kind of solid-state fermentation tank | |
| CN212560248U (en) | Culture bottle for anaerobic bacteria fermentation | |
| CN214830282U (en) | Quick multistage expanding propagation equipment of lactic acid bacteria strain | |
| CN213652323U (en) | Even air supply arrangement of vertical high temperature fermentation cylinder | |
| CN210620356U (en) | High-efficient mixed processing apparatus of catalytic oxidation agent sewage | |
| CN209493580U (en) | A kind of horizontal Zymolysis Equipment | |
| CN220283663U (en) | Automatic dosing device for sewage treatment | |
| CN112239714A (en) | River sewage treatment composite microbial inoculum ventilation fermentation tank body equipment | |
| CN207227409U (en) | A kind of Zymolysis Equipment | |
| CN221992060U (en) | Air energy heat pump capable of recycling waste heat | |
| CN207276606U (en) | A kind of biogas energy storage agitating device | |
| CN108531384B (en) | Composite caproic acid bacterial liquid fermentation device | |
| CN212335148U (en) | Beer fermentation tank capable of automatically adding hops | |
| CN112138515A (en) | Array type high-temperature waste gas treatment device | |
| CN212903766U (en) | Leak detection device of refrigeration pipeline for intelligent air conditioner production | |
| CN215798758U (en) | Rotary device of microporous aerator | |
| CN111925920A (en) | Culture bottle for anaerobic bacteria fermentation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |