CN217067802U - Multistage precipitation purification type circulating water supply device of filter cake dryer water film dust removal mechanism - Google Patents
Multistage precipitation purification type circulating water supply device of filter cake dryer water film dust removal mechanism Download PDFInfo
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Abstract
The utility model discloses multistage sediment purification formula circulation water supply installation of filter cake desiccator water film dust removal mechanism, the innovation scheme main points are: the existing single water tank circulating water supply device is improved into a multi-stage precipitation purification type circulating water supply device, and the device comprises a base support, a high-level purification water tank and three sub-chambers thereof, a middle-level purification water tank and two sub-chambers thereof, a low-level sewage discharge tank, an electric water supply pump, a sewage discharge submersible pump, a water supply pipeline and a sewage discharge pipeline; the return water with dust can be automatically precipitated and gradually overflowed through a plurality of compartments of three high, medium and low water tanks to be purified into standard circulating clean water, so that a water spray nozzle of the water spray film forming device is not blocked, manual slag removal is avoided at the bottom of the water tank due to submersible sewage discharge, and the automation level is improved; the technical problems that a single water tank has poor precipitation and purification effects on return water with dust, turbid circulating water easily blocks a water spray nozzle of a water spray film forming device, the nozzle is blocked, slag removal at the bottom of the tank is stopped, the production is mistaken, and water resources are wasted due to water drainage and slag removal are solved; the product is modified, upgraded and developed, and the efficiency is increased.
Description
Technical Field
The utility model belongs to the technical field of closed filter cake desiccator, a multistage water purification circulation water supply installation of water film dust removal mechanism in closed railway carriage or compartment is related to.
Background
The drier is a mechanical device which reduces the moisture of materials by using heat energy; the filter cake dryer is equipment for continuously drying and subsequently treating the filter cake formed by the operation of the filter press; the closed filter cake dryer is an environment-friendly normal-pressure continuous convection type filter cake dryer with a fully-closed structure; the device mainly comprises a closed compartment, a filter cake crushing and slitting mechanism, a double-layer mesh belt conveying mechanism, a high-low temperature drying system, a dry material spiral output mechanism, a dust screen, a water film dust removing mechanism and a PLC program control system; the drying device is suitable for drying materials with the water content of 55-83% into materials with the water content of 3-50% (the drying rate can be freely adjusted), and the water content of the materials can be reduced by more than 80%.
The closed carriage body comprises a closed main carriage body, a maintenance door leaf, a discharge hole, a high-low temperature zone partition plate and a closed auxiliary carriage (namely a conveyor belt end carriage); the middle-upper space in the enclosed compartment body is a high-temperature drying zone at 50-80 ℃, and the middle-lower space in the enclosed compartment body is a low-temperature dehumidifying zone at 7-20 ℃. The double-layer mesh belt material conveying mechanism and the high-low temperature drying system are arranged in the closed compartment body; during the working process of the filter cake dryer, dust is inevitably generated, and the closed compartment body can prevent the dust from diffusing and polluting the environment.
The water film dedusting mechanism comprises a water spraying film forming device and a circulating water supply device; the water spraying film forming device is arranged in the closed compartment body, the circulating water supply device is arranged outside the closed compartment body, and the water spraying film forming device and the circulating water supply device are communicated through a pipeline; the water spraying film forming device sprays water in the closed compartment body to form a film, and the water film is adsorbed on the dust to settle the dust so as to prevent a large amount of dust from entering the heat exchange compartment to block a dust filter and an air convection channel and influence the heat exchange effect; the circulating water supply device is a single-water-tank circulating water supply device and comprises a water supply water tank and a circulating water pump, and the circulating water can bring dust sediments in the water spraying and film forming device into the water supply water tank.
The existing single water tank circulating water supply device has the following defects: (1) the circulating water can bring part of dust sediments into the water supply tank, so that the circulating water is gradually turbid, the precipitation and purification effect of a single water tank is poor, and the turbid circulating water easily blocks a water spray nozzle of a water spray film forming device to influence the water film dedusting effect; (2) the nozzle is blocked and the bottom of the tank is cleaned, the machine needs to be shut down to delay continuous production, the labor intensity of manual slag cleaning for draining water in the water tank is high, and water resources are wasted; the effective purification of water film dedusting circulating water is a technical problem which people desire to solve but is not successful all the time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior single water tank circulating water supply device, solve the technical problems that the circulating water brings partial dust sediments into the water supply tank, the single water tank has poor precipitation and purification effects, the turbid circulating water easily blocks a water nozzle of a water spray film forming device, the nozzle is blocked, the bottom of the tank is cleaned, the machine is stopped and the production is mistakenly carried out, and water resources are wasted, and provide the multistage precipitation and purification type circulating water supply device of the water film dust removal mechanism of the filter cake dryer; the multi-stage precipitation purification type refers to a submersible sewage purification system with three high, medium and low water tanks for automatic precipitation and gradual overflow purification, and is called for short because the number of characters of the patent name is limited.
The utility model provides an innovation technical scheme that prior art problem adopted is: the utility model provides a multistage precipitation purification formula circulation water supply installation (hereinafter for short: multistage water purification circulation water supply installation) of water film dust removal mechanism, the main points of overall technical scheme are, the overall structure of innovation promptly compares with prior art, and it has outstanding substantive characteristics: the existing single water tank circulating water supply device is improved into a multi-stage precipitation purification type circulating water supply device, namely, the three high-low water tanks are automatically precipitated and gradually overflow to purify the submersible sewage type circulating water supply device, and the submersible sewage type circulating water supply device comprises a bracket with a base, a high-level purification water tank, a middle-level purification water tank, a low-level sewage tank, an electric water supply pump, a sewage submersible pump, a water supply pipeline and a sewage pipeline, wherein the main material is stainless steel; circulating water flows back to the high-level purification water tank, is precipitated, purified and overflows to the middle-level purification water tank through three compartments, is precipitated, purified and reaches the standard through two compartments, and a water supply pump supplies clean water to the water spray film forming device through a water supply pipe so that a water spray nozzle of the water spray film forming device is not blocked; the sediment in the high-level purified water tank and the middle-level purified water tank enters the low-level sewage discharge water tank through a sewage discharge pipeline, the sewage discharge submersible pump is used for discharging the sewage in the low-level sewage discharge water tank periodically, and manual slag removal is avoided at the bottom of the water tank; therefore, the technical problems that part of dust sediments are brought into the water supply tank by the circulating water, the precipitation and purification effect of a single water tank is poor, the turbid circulating water is easy to block a water spray nozzle of a water spray film forming device, the nozzle is blocked, the bottom of the tank is cleaned, the machine is stopped for slag removal, the production is mistakenly carried out, and water resources are wasted are solved; the specific design of the present invention is described in detail as follows.
The high-level purified water tank comprises a high-level tank main body, a tank cover and a compartment partition plate; (1) the high water tank main body is a square high water tank main body with the effective capacity of 1.2m and is provided with a high tank overflow pipe, a high tank water inlet pipe, a high tank blow-off pipe, a water tank ring rib and a water tank handrail; the high tank overflow pipe is positioned at the upper part of the left surface of the water tank, the high tank water inlet pipe is positioned above the water tank, the three high tank blow-off pipes are alternately positioned below the water tank, the double-groove type water tank ring ribs are arranged around the water tank, and the double-water tank handrail is positioned in front of the water tank; (2) assembling the high-level purified water tank: the double-compartment partition plates are alternately welded on the front inner wall and the rear inner wall of the water tank respectively to divide the water tank into three compartments, namely a water compartment I, a water compartment II and a water compartment III; the water tank cover is arranged on the upper surface of the high water tank main body to form a high-level purified water tank.
The middle purified water tank comprises a middle water tank main body, a water tank cover and a compartment partition plate; (1) the middle water tank main body is a square middle water tank main body with the effective capacity of 1.2m and is provided with a middle tank water outlet pipe, a middle tank blow-off pipe, a middle tank overflow pipe, a middle tank water inlet pipe, a water tank ring rib and a water tank handrail; the double-middle-tank water outlet pipe is positioned at the lower left surface (water tank V), the middle-tank blow-off pipe is positioned at the lower right surface (water tank IV), the middle-tank overflow pipe is positioned at the upper left surface of the water tank, the middle-tank water inlet pipe is positioned above the water tank, the double-groove water tank ring rib is arranged around the water tank, and the double-water-tank handrail is positioned in front of the water tank; (2) assembling the middle purified water tank: the compartment partition plates are welded on the front inner wall and the rear inner wall of the water tank to divide the water tank into two compartments, namely a water compartment IV and a water compartment V; the water tank cover is arranged on the upper surface of the middle water tank main body to form a middle position purified water tank.
The low-level sewage draining tank comprises a low-level tank main body and a tank cover; (1) the low water tank main body is a square low water tank main body with the effective capacity of 1.2m and is provided with a low tank water inlet pipe, a low tank blow-off pipe, a low sewage inlet pipe and a water tank ring rib; the low tank water inlet pipe is positioned above the water tank, the low tank blow-off pipe is positioned below the left side of the water tank, the low tank sewage inlet pipe is positioned at the upper part of the right side of the water tank, and the double-groove water tank ring rib is arranged around the water tank; (2) assembling a low-position sewage drainage tank: the water tank cover is arranged on the lower water tank main body to form a low-level sewage drainage tank.
The electric water supply pump is a vertical electric centrifugal water pump, and the pump head of the electric water supply pump is CDM3-12FSWPC type (high speed cultivation at 3 m/h and 24 m).
The sewage submersible pump is a stainless steel 50WQ8-20-4 (I) type vertical sewage submersible pump (the caliber is 50mm, the flow rate is 8m, the head is 20 m) in a double-end downward slope.
The water supply pipeline comprises a front water suction pipeline and a rear water suction pipeline, the front water suction pipeline is a two-in-one water suction pipeline, and the branch flow pipe is provided with a manual ball valve and a Y-shaped filter and is connected with the middle purification water tank and the water supply pump; the pump water pipeline behind the pump is provided with a manual ball valve and a check valve, and is connected with a water supply pump and a water spraying film forming device.
The sewage discharge pipeline is a four-in-one sewage discharge pipeline, and a manual ball valve is arranged on the confluence pipe and connected with a high-level purified water tank, a middle-level purified water tank and a low-level sewage discharge water tank.
The support with the base comprises a box frame base and a water tank support; (1) the box frame base is a rectangular base shared by the high water tank bracket, the middle water tank bracket and the low water tank bracket and is formed by welding channel steel, and a water supply pump platform is arranged on the right side of the base; (2) the water tank bracket comprises a high water tank bracket, a middle water tank bracket and a low water tank bracket; the bracket ladder stand is arranged in front of the high water tank bracket and the middle water tank bracket, the high water tank bracket is higher, and the low water tank bracket is lower; (3) assembling and welding a bracket with a base: the low water tank support, the middle water tank support and the high water tank support are respectively welded on the left, middle and right positions of the tank frame base in sequence to form a support with a base.
The utility model discloses the relation of connection of main spare part is: (1) installation of a water tank: the high-level purified water tank, the middle-level purified water tank and the low-level sewage draining tank are respectively arranged on the corresponding high-level water tank bracket, the middle water tank bracket and the low water tank bracket; (2) and (3) installing a water pump: the electric water supply pump is vertically arranged on the water supply pump platform; the sewage submersible pump is vertically arranged in the low-level sewage tank and is communicated with a sewage discharge pipe of the low tank in parallel; the motor is communicated with the PLC program control system; (3) pipeline connection: the water suction pipeline is connected with a double-middle-tank water outlet pipe of the middle-position purified water tank and an electric water supply pump, and the pump water pipeline behind the pump is connected with the water supply pump and the water spraying film forming device; the sewage discharge pipeline is connected with three high-level sewage discharge pipes of the high-level purified water tank, a middle-level sewage discharge pipe of the middle-level purified water tank and a low-level sewage inlet pipe of the low-level sewage discharge water tank.
The working process of the multistage water purification circulating water supply device comprises the following steps: (1) circulating water supply: filling clean water into the high-level purified water tank and the middle-level purified water tank for the first time, continuously pumping the clean water to a water spraying and film forming device by an electric water supply pump, recovering the sprayed water by the water spraying and film forming device, and enabling the recovered water with dust to flow back to a water compartment I of the high-level purified water tank; (2) multi-stage water purification: the return water with dust overflows to a middle purification water tank through three sub-tanks of a water tank I, a water tank II and a water tank III, and then overflows to a water tank V after being precipitated and purified by a water tank IV of the middle purification water tank to form standard-reaching circulating clean water so that a water spray nozzle of the water spray film forming device is not blocked; (3) diving and draining: the sediment in the high-level purified water tank and the middle-level purified water tank enters the low-level sewage discharge water tank through a sewage discharge pipeline, the sewage in the low-level sewage discharge water tank is discharged by the submersible sewage discharge pump at regular intervals, and manual slag removal is avoided at the bottom of the water tank.
The multi-stage precipitation purification type circulating water supply device of the water film dust removal mechanism of the filter cake dryer provided by the utility model has the obvious advantages of multi-chamber precipitation purification, step-by-step overflow water purification, water saving by circulating water supply, blockage removal free of a nozzle, submersible sewage discharge and manual slag removal free of the bottom of the tank; the circulating water supply device has the advantages that the existing single water tank circulating water supply device is improved into a multi-stage precipitation purification type circulating water supply device, backflow water with dust is precipitated, purified and overflowed into standard circulating clean water, a water spray nozzle of a water spray film forming device is not blocked, and manual slag removal is avoided at the bottom of the water tank due to submersible sewage discharge; circulating water for water film dust removal is effectively purified, a nozzle of a water spray film forming device is prevented from being blocked, the automation level and the water film dust removal effect are improved, continuous production of a dryer is guaranteed, and water resources wasted by water drainage and slag removal are saved by submersible sewage disposal; the product is modified, upgraded and developed, and the efficiency is increased.
Drawings
Fig. 1 is a schematic diagram of the multistage sedimentation purification type circulating water supply device of the present invention.
Fig. 2 is the high-level purified water tank schematic diagram of the multistage sedimentation purification type circulating water supply device of the utility model.
Fig. 3 is a schematic view of the meso-position purified water tank of the multi-stage precipitation purification type circulating water supply device of the present invention.
Fig. 4 is the schematic view of the low-level sewage draining tank of the multistage sedimentation purification type circulating water supply device.
Fig. 5 is the box frame base schematic diagram of the multistage sedimentation purification type circulating water supply device of the utility model.
Fig. 6 is a schematic view of the water tank support of the multi-stage sedimentation purification type circulating water supply device of the present invention.
Fig. 7 is the connection schematic diagram (including the dust removal water circulation schematic diagram) of the multistage sedimentation purification type circulation water supply device and the corresponding water film dust removal mechanism of the filter cake dryer.
Reference numerals: 1-a high-level purified water tank, 2-a middle-level purified water tank, 3-a low-level sewage draining tank, 4-a tank frame base, 5-a water tank bracket, 6-an electric water supply pump, 7-a manual ball valve, 8-a Y-type filter, 9-a check valve, 10-a sewage submersible pump, 11-a high water tank main body, 12-a water tank cover, 13-a compartment partition, 14-a water tank I, 15-a water tank II, 16-a water tank III, 17-a high tank overflow pipe, 18-a high tank water inlet pipe, 19-a high tank blow-off pipe, 20-a water tank ring rib, 21-a water tank handrail, 22-a middle water tank main body, 23-a water tank IV, 24-a water tank V, 25-a middle tank water outlet pipe, 26-a middle tank blow off pipe, 27-a middle tank overflow pipe, 28-a middle tank water inlet pipe, 29-a low water tank main body, 30-a low tank water inlet pipe, 31-a low tank sewage discharge pipe, 32-a low sewage inlet pipe, 33-a water supply pump platform, 34-a support ladder, 35-a water spray film forming device and 36-a multistage precipitation purification type circulating water supply device (a multistage purified water circulating water supply device or the utility model for short) of a water film dust removal mechanism of a filter cake dryer, 37-compartment heat exchange and 38-a closed compartment body (comprising a drying compartment).
Detailed Description
The technical solution in the embodiment of the present invention will be described below with reference to the attached drawings in the embodiment of the multistage precipitation purification type circulating water supply device of the water film dedusting mechanism of the filter cake dryer, and the described embodiment is only a part of the preferred embodiments of the present invention, not all embodiments. Based on the embodiment of the utility model, all other embodiments that the skilled person in the art made are not inventive, like the multistage water purification circulation water supply installation that the multistage water purification mode is the same, the structure is similar that deposits, all belong to the utility model's scope of protection.
Example 1
A multistage precipitation purification type circulating water supply device 36 (for short: multistage water purification circulating water supply device) of a water film dedusting mechanism of a filter cake dryer is characterized in that: the existing single water tank circulating water supply device is improved into a multi-stage precipitation purification type circulating water supply device 36, namely, the submersible sewage discharge type circulating water supply device with three high, middle and low water tanks for automatic precipitation and gradual overflow purification comprises a base bracket, a high-level purification water tank 1, a middle-level purification water tank 2, a low-level sewage discharge water tank 3, an electric water supply pump 6, a sewage discharge submersible pump 10, a water supply pipeline and a sewage discharge pipeline, wherein the main material is stainless steel; circulating water flows back to the high-level purification water tank 1, is precipitated, purified and overflows to the middle-level purification water tank 2 through three compartments, is precipitated, purified and reaches the standard through two compartments again, and an electric water supply pump 6 supplies clean water to the water spray film forming device 35 through a water supply pipe, so that a water spray nozzle of the water spray film forming device 35 is not blocked any more; sediments in the high-level purified water tank 1 and the middle-level purified water tank 2 enter the low-level sewage discharge water tank 3 through a sewage discharge pipeline, a sewage discharge submersible pump 10 is used for discharging sewage in the low-level sewage discharge water tank 3 regularly, and manual slag removal is avoided at the bottom of the water tank; specific embodiments are described in detail below.
The high-level purified water tank 1 comprises a high water tank main body 11, a water tank cover 12 and a compartment partition plate 13; (1) the high water tank main body 11 is a square high water tank main body 11 with the effective capacity of 1.2m and is provided with a high tank overflow pipe 17, a high tank water inlet pipe 18, a high tank blow-off pipe 19, a water tank ring rib 20 and a water tank handrail 21; the overflow pipe 17 of the high tank is positioned at the upper part of the left surface of the water tank, the water inlet pipe 18 of the high tank is positioned above the water tank, three blow-off pipes 19 of the high tank are alternatively positioned below the water tank, the ring rib 20 of the double-groove water tank is arranged around the water tank, and the handrail 21 of the double water tank is positioned in front of the water tank; (2) assembling the high-level purified water tank 1: double compartment clapboards 13 are alternately welded on the front inner wall and the rear inner wall of the water tank respectively to divide the water tank into three compartments, namely a water compartment I14, a water compartment II 15 and a water compartment III 16; the water tank cover 12 is arranged on the upper surface of the high water tank main body 11 to form a high-level purified water tank 1; the high-level purified water tank 1 is arranged on the high-level water tank bracket; the return water with dust is precipitated, purified and overflows to the middle purification water tank 2 through three sub-tanks, namely a water tank I14, a water tank II 15 and a water tank III 16.
The middle purified water tank 2 comprises a middle water tank main body 22, a water tank cover 12 and a compartment partition plate 13; (1) the middle water tank main body 22 is a square middle water tank main body 22 with the effective capacity of 1.2m, and is provided with a middle tank water outlet pipe 25, a middle tank drainage pipe 26, a middle tank overflow pipe 27, a middle tank water inlet pipe 28, a water tank ring rib 20 and a water tank handrail 21; a double-middle-tank water outlet pipe 25 is positioned at the left lower surface of the water tank (a water tank V24), a middle-tank sewage discharge pipe 26 is positioned at the right lower surface of the water tank (a water tank IV 23), a middle-tank overflow pipe 27 is positioned at the upper part of the left surface of the water tank, a middle-tank water inlet pipe 28 is positioned above the water tank, a double-groove type water tank ring rib 20 is arranged around the water tank, and a double-water-tank handrail 21 is positioned in front of the water tank; (2) assembling the middle purified water tank 2: the compartment partition plate 1 is welded on the front and rear inner walls of the water tank to divide the water tank into two compartments, namely a water compartment IV 23 and a water compartment V24; the water tank cover 12 is arranged on the middle water tank main body 22 to form a middle purified water tank 2; the middle purified water tank 2 is arranged on the middle water tank bracket; the device is used for precipitating and purifying the overflow water of the high-level purified water tank 1 through a water chamber IV 23 and then overflowing the water to a water chamber V24 to form standard circulating clean water so that a water spray nozzle of a water spray film forming device 35 is not blocked.
The low-level sewage draining tank 3 comprises a low-level tank main body 29 and a tank cover 12; (1) the low water tank main body 29 is a square low water tank main body 29 with the effective capacity of 1.2m and is provided with a low water tank inlet pipe 30, a low tank sewage discharge pipe 31, a low sewage inlet pipe 32 and a water tank ring rib 20; the low tank water inlet pipe 30 is positioned on the upper surface of the water tank, the low tank sewage discharge pipe 31 is positioned on the lower left surface of the water tank, the low sewage inlet pipe 32 is positioned on the upper right surface of the water tank, and the double-groove water tank ring rib 20 is arranged on the periphery of the water tank; (2) and (3) assembling a low-level sewage draining tank: the water tank cover 12 is arranged on the lower water tank main body 29 to form a low-level sewage draining tank 3; the low-level sewage draining tank 3 is arranged on the low-level water tank bracket; and the overflow water collecting device is used for collecting sediments in the high-level purified water tank 1 and the middle-level purified water tank 2 and collecting overflow water of the middle-level purified water tank 2.
The electric water supply pump 6 is a vertical electric centrifugal water pump, and the pump head of the electric water supply pump is CDM3-12FSWPC (high speed train/h at a flow rate of 3m and a lift of 24 m); the electric water supply pump 6 is vertically arranged on the water supply pump platform 33 and is connected with the PLC program control system in parallel; used for continuously pumping water for dust removal for the water spraying film forming device 35.
The sewage submersible pump 10 is a stainless steel 50WQ8-20-4 (I) type vertical sewage submersible pump 10 (the caliber is 50mm, the flow is 8 m/h, and the lift is 20 m); the sewage submersible pump 10 is vertically arranged in the low-level sewage tank 3 and is respectively communicated with the low-level sewage pipe 31 and the PLC program control system; is used for discharging sewage in the low-level sewage draining tank 3 periodically so as to avoid manual slag removal at the bottom of the tank.
The water supply pipeline comprises a front water suction pipeline and a rear water pump pipeline, the front water suction pipeline is a two-in-one water suction pipeline, and a branch flow pipe is provided with a manual ball valve 7 and a Y-shaped filter 8 and is connected with the middle purification water tank 2 and the electric water supply pump 6; the pump water pipeline after the pump is provided with a manual ball valve 7 and a check valve 9, and is connected with an electric water supply pump 6 and a water spraying film forming device 35; the water suction pipeline is connected with a double-middle-tank water outlet pipe 25 of the middle purification water tank 2 and the electric water supply pump 6, and the pump water pipeline behind the pump is connected with the electric water supply pump 6 and the water spraying film forming device 35; used for connecting the middle position purification water tank 2, the electric water supply pump 6 and the water spraying film forming device 35 to form a circulating water supply pipeline of the water film dedusting mechanism.
The sewage discharge pipeline is a four-in-one sewage discharge pipeline, and a manual ball valve 7 is arranged on a confluence pipe and is connected with a high-level purified water tank 1, a middle-level purified water tank 2 and a low-level sewage discharge water tank 3; the sewage discharge pipeline is connected with three high-level sewage discharge pipes 19 of the high-level purified water tank 1, a middle-level sewage discharge pipe 26 of the middle-level purified water tank 2 and a low sewage inlet pipe 32 of the low-level sewage discharge water tank 3; used for forming a sewage discharge pipeline of the high-level purified water tank 1 and the middle-level purified water tank 2.
The support with the base comprises a box frame base 4 and a water tank support; (1) the box frame base 4 is a rectangular base shared by a high water tank bracket, a middle water tank bracket and a low water tank bracket and is formed by welding channel steel, and a water supply pump platform 33 is arranged on the right side of the base; (2) the water tank bracket 5 comprises a high water tank bracket, a middle water tank bracket and a low water tank bracket; the bracket ladder stand 34 is arranged in front of the high water tank bracket and the middle water tank bracket, the high water tank bracket is higher, and the low water tank bracket is lower; (3) assembling and welding a bracket with a base: the low water tank bracket, the middle water tank bracket and the high water tank bracket are respectively welded on the left, middle and right positions of the tank bracket base 4 in sequence to form a bracket with a base; the device is used for installing a high-level purified water tank 1, a middle-level purified water tank 2, a low-level sewage draining tank 3 and an electric water supply pump 6 in a high-level, middle-low staggered manner.
The multi-stage precipitation purification type circulating water supply device 36 of the water film dedusting mechanism of the filter cake dryer provided by the utility model has the advantages of multi-chamber precipitation purification, step-by-step overflow water purification, circulating water supply and water saving, no blockage removal of the nozzle, submersible sewage discharge and no manual slag removal of the bottom of the tank; the circulating water with dust can be precipitated, purified and overflowed into the circulating clean water reaching the standard, and the technical problems that part of dust sediments are brought into a water supply tank by the circulating water, the precipitation and purification effect of a single water tank is poor, the turbid circulating water is easy to block a water spray nozzle of a water spray film forming device 35, the nozzle is blocked, the bottom slag removal machine is stopped, the production is mistakenly carried out and water resources are wasted are solved; the submersible sewage discharge avoids manual slag removal at the bottom of the water tank; the automatic level and the water film dedusting effect are improved, the continuous production of the dryer is ensured, and the water resources wasted by discharging water and removing slag are saved by submersible sewage discharge; the product is modified, upgraded and developed, and the efficiency is increased.
Example 2
A water film dust removing mechanism, namely the water film dust removing mechanism of the closed filter cake dryer, uses the multistage precipitation purification type circulation water supply device 36 (abbreviated as: multistage purified water circulation water supply device) of the water film dust removing mechanism of the filter cake dryer provided by the utility model, and the water film dust removing mechanism mainly comprises a water spray film forming device 35 and a multistage purified water circulation water supply device 36; has the functions of spraying water to form a film and adsorbing dust and preventing the dust from entering the heat exchange chamber 37. The utility model is manufactured according to the relevant standard of the drier in the mechanical industry of China, which is a common technical part with the prior art.
The water spraying film forming device 35 is mainly composed of a water spraying pipe, a water spraying nozzle, a water film adsorption bin and a condensate water recovery tank which are integrally arranged at the upper part in the heat exchange chamber 37, and can spray water to form a film to adsorb dust so as to prevent the dust from blocking a dust filter and an air convection channel and influencing the heat exchange effect; the condensate water recycling tank can recycle the sprayed water, so that the recycled water with dust flows back to the water chamber I14 of the high-level purified water tank 1.
The multi-stage water purification circulating water supply device 36 mainly comprises a bracket with a base, a high-level purification water tank 1 (comprising a water chamber I14, a water chamber II 15 and a water chamber III 16), a middle-level purification water tank 2 (comprising a water chamber IV 23 and a water chamber V24), a low-level sewage drainage tank 3, an electric water supply pump 6, a sewage submersible pump 10, a water supply pipeline and a sewage drainage pipeline; the whole body is arranged outside the closed compartment body 38 and is communicated with the water spraying film forming device 35 through a circulating water supply pipeline; is used for circularly supplying water for the water spraying film forming device 35 and precipitating, purifying and overflowing the return water with dust into clean water which reaches the standard for recycling.
The working process of the water film dedusting mechanism is as follows: (1) circulating water supply: the high-level purified water tank 1 and the middle-level purified water tank 2 are filled with clean water for the first time, and the electric water supply pump 6 continuously pumps the clean water to the water spraying film forming device 35; (2) spraying a film and absorbing dust: the water spraying film forming device 35 sprays water to form a film and adsorb dust; the condensate water recovery tank can recover the sprayed water, and the recovered water with dust flows back to the water compartment I14 of the high-level purified water tank 1; (2) multi-stage water purification: the return water with dust is precipitated, purified and overflows to a middle-position purified water tank 2 through three sub-tanks I14, II 15 and III 16, and then is precipitated and purified through a water tank IV 23 of the middle-position purified water tank 2 and overflows to a water tank V24, so that the circulating clean water reaching the standard is formed, and a water spray nozzle of the water spray film forming device 35 is not blocked; (3) diving and discharging pollution: the sediment in the high-level purified water tank 1 and the middle-level purified water tank 2 enters the low-level sewage discharge water tank 3 through a sewage discharge pipeline, the sewage in the low-level sewage discharge water tank 3 is discharged by the submersible sewage discharge pump 10 regularly, and manual slag removal is avoided at the bottom of the water tank.
This water film dust removal mechanism uses the utility model discloses multistage sediment purification formula circulation water supply installation 36's beneficial effect is: the existing single water tank circulating water supply device is improved into a multi-stage precipitation purification type circulating water supply device 36, return water with dust is precipitated, purified and overflowed into standard circulating clean water, a water spray nozzle of a water spray film forming device 35 is not blocked, and manual slag removal is avoided at the bottom of a water tank through submersible sewage discharge; circulating water for water film dedusting is effectively purified, the nozzle of the water spraying film forming device 35 is prevented from being blocked, the automation level and the water film dedusting effect are improved, the continuous production of the drier is ensured, and water resources wasted by water drainage and slag removal are saved by submersible sewage disposal; the product is modified, upgraded and developed, and the efficiency is increased.
Claims (7)
1. A multistage sedimentation purification type circulating water supply device of a water film dedusting mechanism of a filter cake dryer comprises a base support, a high-level purification water tank, a middle-level purification water tank, a low-level sewage discharge water tank, an electric water supply pump, a sewage discharge submersible pump, a water supply pipeline and a sewage discharge pipeline; the method is characterized in that: the high-level purification water tank comprises a high water tank main body, a water tank cover and a dividing partition plate, wherein the double dividing partition plates are alternately and respectively welded on the front inner wall and the rear inner wall of the high water tank main body to divide the water tank into three divisions, namely a water compartment I, a water compartment II and a water compartment III; the middle position purification water tank comprises a middle water tank main body, a water tank cover and a compartment partition plate, wherein the compartment partition plate is welded on the front inner wall and the rear inner wall of the water tank to divide the water tank into two compartments, namely a water compartment IV and a water compartment V; the low-level sewage draining tank comprises a low-level tank main body and a tank cover; the electric water supply pump is a vertical electric centrifugal water pump, and the pump head of the electric water supply pump is of a CDM3-12FSWPC type; the sewage draining submersible pump is a stainless steel 50WQ8-20-4 (I) type vertical sewage draining submersible pump; the water supply pipeline comprises a water suction pipeline before the pump and a water pump pipeline after the pump; the support with the base comprises a box frame base and a water tank support; the right side of the box frame base is provided with a water supply pump platform; the water tank bracket comprises a high water tank bracket, a middle water tank bracket and a low water tank bracket; the interconnection relationship is: the high-level purified water tank, the middle-level purified water tank and the low-level sewage draining tank are respectively arranged on the corresponding high-level water tank bracket, the middle water tank bracket and the low water tank bracket; the electric water supply pump is vertically arranged on the water supply pump platform; the sewage submersible pump is vertically arranged in the low-level sewage tank and is communicated with a sewage discharge pipe of the low tank in parallel; the motor is communicated with the PLC program control system; the water suction pipeline before the pump is connected with a double-middle-tank water outlet pipe of the middle-position purified water tank and an electric water supply pump, and the pump water pipeline after the pump is connected with the water supply pump and the water spraying film forming device; the sewage discharge pipeline is connected with three high-level sewage discharge pipes of the high-level purified water tank, a middle-level sewage discharge pipe of the middle-level purified water tank and a low-level sewage inlet pipe of the low-level sewage discharge water tank; the circulating water supply device can supply water for the water spraying and film forming device of the water film dedusting mechanism in a circulating manner, and can precipitate, purify and overflow return water with dust into clean water which reaches the standard for recycling.
2. The multistage precipitation purification type circulating water supply device of the water film dedusting mechanism of the filter cake dryer according to claim 1, wherein the high-level purification water tank is provided with a high-level purification water tank main body which is a square high-level water tank main body with an effective capacity of 1.2m and is provided with a high-level overflow pipe, a high-level water inlet pipe, a high-level blowdown pipe, a water tank ring rib and a water tank handrail; the high tank overflow pipe is positioned at the upper part of the left surface of the water tank, the high tank water inlet pipe is positioned above the water tank, the three high tank blow-off pipes are alternately positioned below the water tank, the double-groove type water tank ring ribs are arranged around the water tank, and the double-water tank handrail is positioned in front of the water tank; the water tank cover is arranged on the upper surface of the high water tank main body.
3. The multistage precipitation purification type circulating water supply device of the water film dedusting mechanism of the filter cake dryer according to claim 1, wherein the middle position purification water tank is provided with a middle water tank main body which is a square middle water tank main body with an effective capacity of 1.2m and is provided with a middle tank water outlet pipe, a middle tank sewage discharge pipe, a middle tank overflow pipe, a middle tank water inlet pipe, a water tank ring rib and a water tank handrail; the double middle tank water outlet pipe is positioned at the left lower surface, namely the lower surface of the water tank V, the middle tank blow-off pipe is positioned at the right lower surface of the water tank, namely the lower surface of the water tank IV, the middle tank overflow pipe is positioned at the upper part of the left surface of the water tank, the middle tank water inlet pipe is positioned above the water tank, the double-groove type water tank ring rib is arranged around the water tank, and the double water tank handrail is positioned in front of the water tank; the water tank is provided with a water tank cover which is arranged on the upper surface of the water tank main body.
4. The multistage precipitation purification type circulating water supply device of the water film dedusting mechanism of the filter cake dryer according to claim 1, wherein the low-level sewage draining tank is provided with a low-water-tank main body which is a square low-water-tank main body with an effective capacity of 1.2m and is provided with a low-tank water inlet pipe, a low-tank sewage draining pipe, a low sewage inlet pipe and a water tank ring rib; the low tank water inlet pipe is positioned above the water tank, the low tank blow-off pipe is positioned below the left side of the water tank, the low tank sewage inlet pipe is positioned at the upper part of the right side of the water tank, and the double-groove water tank ring rib is arranged around the water tank; it is provided with a water tank cover which is arranged on the upper surface of the low water tank main body.
5. The multistage precipitation purification type circulating water supply device of the water film dedusting mechanism of the filter cake dryer according to claim 1, wherein the water supply pipeline is provided with a front water suction pipeline which is a two-in-one water suction pipeline, and a branch flow pipe is provided with a manual ball valve and a Y-shaped filter and is connected with a middle purification water tank and a water supply pump; the pump water pipeline behind the pump is provided with a manual ball valve and a check valve, and is connected with a water supply pump and a water spraying film forming device.
6. The multistage precipitation purification type circulating water supply device of the filter cake dryer water film dust removal mechanism of claim 1, wherein the sewage discharge pipeline is a four-in-one sewage discharge pipeline, and a manual ball valve is arranged on a confluence pipe and is connected with a high-level purified water tank, a middle-level purified water tank and a low-level sewage discharge water tank.
7. The multistage precipitation purification type circulating water supply device of the filter cake dryer water film dust removal mechanism according to claim 1, wherein the base support with the base is a rectangular base shared by a high water tank support, a medium water tank support and a low water tank support and is formed by welding channel steel; the bracket ladder stand is arranged in front of the high water tank bracket and the middle water tank bracket, the high water tank bracket is higher, and the low water tank bracket is lower; the low water tank support, the middle water tank support and the high water tank support are respectively welded on the left, middle and right positions of the tank frame base in sequence.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114681962A (en) * | 2022-04-01 | 2022-07-01 | 景津装备股份有限公司 | Multistage water purification circulation water supply device and corresponding filter cake dryer water film dedusting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114681962A (en) * | 2022-04-01 | 2022-07-01 | 景津装备股份有限公司 | Multistage water purification circulation water supply device and corresponding filter cake dryer water film dedusting mechanism |
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