CN112443687B - High temperature resistant, safe explosion-proof type quick-opening blind plate structure - Google Patents
High temperature resistant, safe explosion-proof type quick-opening blind plate structure Download PDFInfo
- Publication number
- CN112443687B CN112443687B CN201910835250.XA CN201910835250A CN112443687B CN 112443687 B CN112443687 B CN 112443687B CN 201910835250 A CN201910835250 A CN 201910835250A CN 112443687 B CN112443687 B CN 112443687B
- Authority
- CN
- China
- Prior art keywords
- blind plate
- quick
- gland
- opening blind
- boss
- 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
- 210000004907 gland Anatomy 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 229910002804 graphite Inorganic materials 0.000 claims description 20
- 239000010439 graphite Substances 0.000 claims description 20
- 238000004880 explosion Methods 0.000 claims 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 238000004200 deflagration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/24—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with valve members that, on opening of the valve, are initially lifted from the seat and next are turned around an axis parallel to the seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention relates to a high-temperature-resistant and safe explosion-proof quick-opening blind plate structure which is characterized by comprising a quick-opening blind plate body, a gland, a rotating shaft and the like, wherein the lower side of a hand wheel is connected with a screw rod, the screw rod is sleeved at one end of a shaft arm, the other end of the shaft arm is sleeved on the rotating shaft, the lower side of the rotating shaft penetrates through a mounting groove on the side surface of a cylinder seat and is fixed through a nut, the lower end of the screw rod is connected with a connector.
Description
Technical Field
The invention relates to the technical field of quick-opening blind plates of pyrolysis furnaces, in particular to a high-temperature-resistant and safe explosion-proof quick-opening blind plate structure.
Background
The quick-opening blind plate is a mechanical device which is used for a circular opening of a pressure pipeline or a pressure container and can be quickly opened or closed.
The working temperature of the quick-opening blind plate of the pyrolysis furnace is about 400 ℃ generally, a large amount of combustible gas is generated in the pipeline during heating, and once the sealing ring is damaged, leakage occurs, and the like, the problems of deflagration and the like occur.
The existing quick-opening blind plate is limited by sealing ring materials, and the use temperature is generally as follows: -20-90 ℃; when the pressure pipeline or the pressure container encounters an extreme condition, namely the pressure suddenly rises and even detonates, the pressure is released everywhere, so that hidden danger is brought to equipment safety;
when current quick-opening blind plate seals, the blind plate can carry out relative motion with the sealing washer, leads to the sealing washer impaired easily, produces and reveal. Aiming at the technical defects existing in the application of the existing quick-opening blind plate in a pyrolysis furnace, the invention provides the high-temperature-resistant and safe explosion-proof quick-opening blind plate.
Disclosure of Invention
According to the technical problems, the invention provides a high-temperature-resistant and safe explosion-proof quick-opening blind plate structure, which is characterized by comprising a quick-opening blind plate body, a gland, a rotating shaft, a rotating arm, a hand wheel, a screw rod, a connector, an end cover, a gear shaft, a positioning plate, a guide shaft, a pinion, a large gear, a large lock nut, a mandrel, a disc spring, a cylinder, a graphite sealing ring and a cylinder seat, wherein the lower side of the hand wheel is connected with the screw rod, the screw rod is sleeved at one end of the shaft arm, the other end of the shaft arm is sleeved on the rotating shaft, the lower side of the rotating shaft penetrates through a mounting groove on the side surface of the cylinder seat and is fixed through a nut, the lower end of the screw rod is connected with the connector, the connector is mounted in the end cover, the end cover is fixed on the positioning plate through a bolt, one end of the positioning plate is sleeved on the rotating shaft, the other end of the positioning plate is provided with a positioning hole, the mounting hole is arranged in the mounting hole, the gear shaft is arranged at the lower side of the gear shaft, the small gear is meshed with the large gear, the large gear is mounted on the gland, the lower side of the pressing plate, the pressing plate is mounted on the pressing body, the lower side of the spindle, the positioning plate is sequentially penetrates between the spindle spring and the positioning plate body and the blind plate, and the blind plate is sequentially connected with the spindle, and the positioning plate, and the blind plate is sequentially connected with the spindle, and the blind plate through the positioning plate and the head through the head and the head; the cylinder seat one end is connected with the rotating shaft, the guide shaft is arranged at the other end of the cylinder seat, a groove is formed in the cylinder seat, a graphite sealing ring is arranged in the groove, a boss and a groove are formed in the upper side edge of the cylinder seat, and the boss and the groove are arranged on the upper side edge of the cylinder seat in a crossing mode.
The mandrel and the quick-opening blind plate body are welded into a whole, a group of involution disc springs are arranged between the quick-opening blind plate body and the gland, and the disc springs are compressed to a certain height through the large locking nut so that the quick-opening blind plate body obtains a certain precompression; the large gear and the gland are connected into a whole through bolts; the screw rod is connected with the connector into a whole through a bolt; the positioning plate is connected with the mandrel through a small lock nut and is connected with the end cover through a bolt; the cylinder body and the cylinder body seat are welded into a whole; the rotating arm is connected with the screw rod through the screw rod nut; the screw rod is connected with the hand wheel through a key and a bolt; the locating plate and the rotating arm can rotate around the rotating shaft together.
The cylinder is arranged at the lower side of the cylinder seat.
The outer ring of the gland is provided with a boss A, the side surface of the boss A is of an inclined structure, and the boss A is overlapped with the boss on the upper side edge of the cylinder seat when the quick-opening blind plate is closed.
The hand wheel and the shaft arm are connected in a threaded mode.
The mounting hole is positioned at the inner side of the positioning hole.
The disc spring is selected according to the pressure in the pipeline connected with the cylinder.
The beneficial effects of the invention are as follows: according to the quick-opening blind plate, a pair of involution disc springs are added between the quick-opening blind plate body and the gland, the pressure of the quick-opening blind plate can be set according to the difference of the disc spring pressures, the pressure of the quick-opening blind plate can be set through disc spring selection and adjustment of the disc spring compression amount according to the needs, when the pressure born in a pipeline is larger than the set pressure of the disc springs, the disc springs are tightened, but the pressing plate cannot move at the moment, so that the quick-opening blind plate body can move upwards, the quick-opening blind plate body is separated from the graphite sealing ring, gas in the pipeline is led to the outside through the groove of the cylinder seat, and therefore the pressure in the pipeline is quickly released, the safety of equipment operation is greatly improved, and when part of gas leaks out, the pressure is smaller than the disc spring bearing force, the quick-opening blind plate body and the graphite sealing ring are sealed, because only a small amount of gas leaks out, the danger is not high, and the problems of deflagration and the like are avoided.
According to the quick-opening blind plate body and the gland disclosed by the invention, the coaxial double-plate structure is adopted, when the gland is rotated, the inclined plane of the boss of the outer ring of the gland and the boss on the cylinder seat generate axial thrust, so that the quick-opening blind plate is pushed to translate and compress the graphite sealing ring, and under the action of the guide shaft and the rotating shaft, the quick-opening blind plate and the graphite sealing ring do not generate friction, the graphite sealing ring is prevented from being damaged and leakage, and the service life of the graphite sealing ring is prolonged.
The graphite sealing ring is made of graphite, the melting point of the graphite is 3652 ℃, and the graphite sealing ring can bear higher high temperature, so that the high temperature resistance of the graphite sealing ring is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is an opening schematic diagram of the present invention.
In the figure: the quick-opening blind plate comprises a quick-opening blind plate body 1, a gland 2, a rotating shaft 3, a rotating arm 4, a hand wheel 5, a screw rod 6, a connector 7, an end cover 8, a gear shaft 9, a positioning plate 10, a guide shaft 11, a pinion 12, a large gear 13, a large lock nut 14, a mandrel 15, a small lock nut 16, a disc spring 17, a cylinder 18, a graphite sealing ring 19 and a cylinder seat 20.
Detailed Description
The application will be described with reference to the accompanying drawings:
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more. In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail with reference to examples.
Example 1
The invention provides a high-temperature-resistant and safe explosion-proof quick-opening blind plate structure, which comprises a quick-opening blind plate body 1, a gland 2, a rotating shaft 3, a rotating arm 4, a hand wheel 5, a lead screw 6, a connector 7, an end cover 8, a gear shaft 9, a positioning plate 10, a guide shaft 11, a pinion 12, a large gear 13, a large lock nut 14, a mandrel 15, a disc spring 17, a barrel 18, a graphite sealing ring 19, a barrel seat 20, wherein the lower side of the hand wheel 5 is connected with the lead screw 6, the lead screw 6 is sleeved at one end of a shaft arm, the other end of the shaft arm is sleeved on the rotating shaft 3, the lower side of the rotating shaft 3 passes through a mounting groove on the side surface of the barrel seat 20 and is fixed through a nut, the lower end of the lead screw 6 is connected with the connector 7, the connector 7 is mounted in the end cover 8, the end cover 8 is fixed on a positioning plate 10 through a bolt, one end of the positioning plate 10 is sleeved on the rotating shaft 3, a positioning hole is formed in the other end of the positioning plate 10, a mounting hole is formed in the positioning plate 10, the mounting hole is internally provided with the gear shaft 9, the pinion 12 is mounted at the lower side of the gear shaft 9, the pinion 12 is meshed with the large gear 13, the large gear shaft 13, the large gear 2 is meshed with the gland 2, the lower side of the mandrel 2 is provided with the spindle 15, the blind plate 1 and the gland 15 is sequentially, the spindle 2 is sleeved on the side of the body, and the spindle 15, and the blind plate 1 is fixed between the spindle 2 and the spindle 15, and the blind plate 1 and the head 15, and the head 15 is fixed by the blind plate 1 and the spindle 15; one end of the cylinder seat 20 is connected with the rotating shaft 3, the other end of the cylinder seat 20 is provided with a guide shaft 11, a groove is formed in the cylinder seat 20, a graphite sealing ring 19 is arranged in the groove, the upper side edge of the cylinder seat 20 is provided with a boss and a groove, and the boss and the groove are arranged on the upper side edge of the cylinder seat in a crossing mode. The mandrel 15 and the quick-opening blind plate body 1 are welded into a whole, a group of involution disc springs 17 are arranged between the quick-opening blind plate body 1 and the gland 2, and the disc springs 17 are compressed to a certain height through the large lock nut 14 so that the quick-opening blind plate body 1 obtains a certain precompression; the large gear 13 and the gland 2 are connected into a whole through bolts; the screw rod 6 and the connector 7 are connected into a whole through bolts; the positioning plate 10 is connected with the mandrel 15 through a small lock nut 16 and is connected with the end cover 8 through a bolt; the cylinder 18 and the cylinder seat 20 are welded into a whole; the rotating arm 4 is connected with the screw rod 6 through a screw rod 6 nut; the screw rod 6 is connected with the hand wheel 5 by a key and a bolt; the positioning plate 10 and the swivel arm 4 can rotate together around the swivel shaft 3. A cylinder 18 is mounted on the underside of the cylinder seat 20. The outer ring of the gland 2 is provided with a boss A, the side surface of the boss A is of an inclined structure, and the boss A is overlapped with the boss at the upper side edge of the cylinder seat 20 when the quick-opening blind plate is closed. The hand wheel 5 and the shaft arm are connected in a threaded manner. The mounting hole is positioned at the inner side of the positioning hole. The disc spring 17 is selected according to the pressure in the pipeline to which the cylinder 18 is connected.
Example 2
When the quick-opening blind plate needs to be closed, the hand wheel 5 is rotated, the hand wheel 5 drives the screw rod 6 to rotate downwards, the positioning plate 10, the gland 2 and the quick-opening blind plate 1 move downwards along the rotating shaft 3 through the connector 7, until the positioning hole of the positioning plate 10 penetrates into the guide shaft 11, the quick-opening blind plate body 1 is pressed to the graphite sealing ring 19, at the moment, the hand wheel 5 is stopped to rotate, then the gear shaft 9 is rotated by using a torque wrench, the gear shaft 9 drives the pinion 12 to rotate, the pinion 12 drives the large gear 13 and the gland 2 to rotate together around the mandrel 15, at the moment, axial thrust is generated between the boss inclined surface of the outer ring of the gland 2 and the boss on the barrel seat 20, the quick-opening blind plate body 1 is pushed by the disc spring 17 to axially compress the graphite sealing ring 19, and meanwhile, the quick-opening blind plate body 1 is further compressed to reach final preset pressure until the boss on the outer ring of the gland 2 coincides with the boss on the upper edge of the barrel seat 20.
Example 3
When the quick-opening blind plate is opened: firstly, a torque wrench is used for rotating the gear shaft 9, so that the pinion 12 drives the large gear 13 and the gland 2 to rotate together around the mandrel 15 until the boss on the outer ring of the gland 2 is completely staggered with the boss on the barrel seat 20, at the moment, the hand wheel 5 is rotated to drive the lead screw 6, the positioning plate 10, the gland 2 and the quick-opening blind plate 1 move upwards along the rotating shaft 3 through the connector 7, and when the bottom plane of the quick-opening blind plate 1 is higher than the upper plane of the barrel seat 20, the rotating arm 4 can be rotated along the rotating shaft 3, so that the quick-opening blind plate 1 is opened to a proper position as shown in fig. 2.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a high temperature resistant, safe explosion-proof quick-opening blind plate structure, its characterized in that includes quick-opening blind plate body, gland, pivot, rocking arm, hand wheel, lead screw, connector, end cover, gear shaft, locating plate, guiding axle, pinion, gear wheel, big lock nut, dabber, dish spring, barrel, graphite sealing washer, barrel seat, hand wheel downside and lead screw connection, the lead screw suit is in arm one end, the other end suit of arm is in the pivot, the pivot downside passes the mounting groove of barrel seat side and fixes through the nut, the lead screw lower extreme is connected with the connector, the connector is installed inside the end cover, the end cover is fixed on the locating plate through the bolt, locating plate one end suit is in the pivot, the locating hole has been seted up to the locating plate other end, set up the mounting hole on the locating plate, install the pinion in the mounting hole, pinion is installed to the gear shaft downside, pinion and gear wheel meshing, the gear wheel is installed on the gland, the gland downside is provided with quick-opening blind plate body, the pivot is provided with the blind plate body with the gland, the dabber is connected with the gland in proper order with the blind plate, the blind plate is connected with the dabber, the blind plate is connected with the gland down between the blind plate body and the gland, the blind plate is fixed with the side; one end of the cylinder seat is connected with the rotating shaft, the other end of the cylinder seat is provided with a guide shaft, a groove is formed in the cylinder seat, a graphite sealing ring is arranged in the groove, the upper side edge of the cylinder seat consists of a boss and a groove, and the boss and the groove are arranged on the upper side edge of the cylinder seat in a crossing manner;
The mandrel and the quick-opening blind plate body are welded into a whole, a group of involution disc springs are arranged between the quick-opening blind plate body and the gland, and the disc springs are compressed to a certain height through the large locking nut so that the quick-opening blind plate body obtains a certain precompression; the large gear and the gland are connected into a whole through bolts; the screw rod is connected with the connector into a whole through a bolt; the positioning plate is connected with the mandrel through a small lock nut and is connected with the end cover through a bolt; the cylinder body and the cylinder body seat are welded into a whole; the rotating arm is connected with the screw rod through the screw rod nut; the screw rod is connected with the hand wheel through a key and a bolt; the locating plate and the rotating arm can rotate around the rotating shaft together;
The outer ring of the gland is provided with a boss A, the side surface of the boss A is of an inclined structure, and the boss A is overlapped with the boss on the upper side edge of the cylinder seat when the quick-opening blind plate is closed.
2. The high temperature resistant, safe and explosion proof type quick opening blind plate structure according to claim 1, wherein the cylinder is installed on the lower side of the cylinder seat.
3. The high temperature resistant, safe and explosion proof quick opening blind plate structure according to claim 1, wherein the hand wheel and the shaft arm are connected in a threaded manner.
4. A high temperature resistant, safe and explosion proof quick opening blind plate structure according to claim 1, wherein said mounting hole is located inside the positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835250.XA CN112443687B (en) | 2019-09-05 | 2019-09-05 | High temperature resistant, safe explosion-proof type quick-opening blind plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835250.XA CN112443687B (en) | 2019-09-05 | 2019-09-05 | High temperature resistant, safe explosion-proof type quick-opening blind plate structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112443687A CN112443687A (en) | 2021-03-05 |
| CN112443687B true CN112443687B (en) | 2024-09-27 |
Family
ID=74733015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910835250.XA Active CN112443687B (en) | 2019-09-05 | 2019-09-05 | High temperature resistant, safe explosion-proof type quick-opening blind plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112443687B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070158A (en) * | 2021-04-21 | 2021-07-06 | 江苏华大离心机制造有限公司 | Cover opening device of flat-open cover type centrifugal machine |
| CN114704646A (en) * | 2022-03-30 | 2022-07-05 | 浙江欧菲石油设备有限公司 | Quick-opening blind plate device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210661530U (en) * | 2019-09-05 | 2020-06-02 | 天津盒星环保科技有限公司 | High-temperature-resistant, safe and explosion-proof quick-opening blind plate structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203404555U (en) * | 2013-06-13 | 2014-01-22 | 沈阳飞机工业（集团）有限公司 | Tooth-locked type quick-opening blind plate |
| KR101464669B1 (en) * | 2014-04-25 | 2014-11-24 | 주식회사 장수티엔시 | Line Plugging System of Cam Gear Style |
| CN105465361A (en) * | 2016-01-14 | 2016-04-06 | 牡丹江市金环石化设备有限公司 | High-pressure quick-opening blind plate |
| CN108119725A (en) * | 2017-12-19 | 2018-06-05 | 贵州航天乌江机电设备有限责任公司 | A kind of lock ring type major diameter mesohigh fast opening blind |
-
2019
- 2019-09-05 CN CN201910835250.XA patent/CN112443687B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210661530U (en) * | 2019-09-05 | 2020-06-02 | 天津盒星环保科技有限公司 | High-temperature-resistant, safe and explosion-proof quick-opening blind plate structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112443687A (en) | 2021-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112443687B (en) | High temperature resistant, safe explosion-proof type quick-opening blind plate structure | |
| CN210661530U (en) | High-temperature-resistant, safe and explosion-proof quick-opening blind plate structure | |
| CN201884777U (en) | Nuclear manual rotary drum vacuum valve | |
| CN213512076U (en) | Shaft end sealing and isolating device of gas pressurizer and gas pressurizer | |
| CN209762351U (en) | Explosion-proof valve actuator | |
| CN211852882U (en) | Novel corrugated pipe ball valve | |
| CN111120665A (en) | Two-way stop valve | |
| CN101319736A (en) | High temperature high pressure bellows instrument block valve | |
| CN212793184U (en) | Novel manual trompil is bored | |
| CN217842763U (en) | Anti-static top-mounted inclined-plane ball valve | |
| CN208268443U (en) | A kind of major accident release gate valve | |
| CN2725672Y (en) | Valve open-close device using isolated sealed driving | |
| CN115451348B (en) | Integrated stove for emergency alarm of gas leakage and use method | |
| CN113772285A (en) | Double-seal manhole intelligent pressure detection device | |
| CN219013498U (en) | Actuating mechanism of industrial valve | |
| CN201787091U (en) | High-performance bidirectional refractory butterfly valve | |
| CN219954286U (en) | Top-mounted ball valve with transmission mounting structure | |
| CN218480214U (en) | Safety valve sealing device of main steam pressure control system | |
| CN212377323U (en) | High-temperature zero-leakage all-metal welding butterfly valve | |
| CN216519714U (en) | Two-piece type cast steel fixed ball valve in fine chemical industry | |
| CN221688065U (en) | Electric explosion-proof box for coal mine | |
| CN220319492U (en) | Anti-eccentric wear oil pipe rotator | |
| CN217815308U (en) | Shaft sealing device used in high-temperature and high-dust environment | |
| CN217713847U (en) | Actuator propelled by actuator cylinder | |
| CN216895883U (en) | Integral flange ultra-low temperature top-mounted ball valve seat |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240829 Address after: 206, Building 8, Optoelectronics Group, No. 6, Mount Taishan Road, Hexi District, Tianjin, 300000 Applicant after: Tianjin Juli Technology Co.,Ltd. Country or region after: China Address before: Room 404, Huake Venture Center, No.3, Kaihua Road, Huayuan Industrial Zone, Binhai New Area, Tianjin, 300384 Applicant before: Tianjin boxing Environmental Protection Technology Co.,Ltd. Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |