CN116397718A - Constant-pressure water supply device with circulating filtration function for chemical plant - Google Patents

Constant-pressure water supply device with circulating filtration function for chemical plant Download PDF

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Publication number
CN116397718A
CN116397718A CN202310529122.9A CN202310529122A CN116397718A CN 116397718 A CN116397718 A CN 116397718A CN 202310529122 A CN202310529122 A CN 202310529122A CN 116397718 A CN116397718 A CN 116397718A
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CN
China
Prior art keywords
water
pressure
water tank
water supply
pipe
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Pending
Application number
CN202310529122.9A
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Chinese (zh)
Inventor
李山春
石明佳
李祥安
刘哲
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Zhuhai Steth Automation System Engineering Co ltd
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Zhuhai Steth Automation System Engineering Co ltd
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Application filed by Zhuhai Steth Automation System Engineering Co ltd filed Critical Zhuhai Steth Automation System Engineering Co ltd
Priority to CN202310529122.9A priority Critical patent/CN116397718A/en
Publication of CN116397718A publication Critical patent/CN116397718A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention belongs to the technical field of water supply devices, and provides a constant-pressure water supply device with a circulating filtration function for a chemical plant, which comprises a device box body, wherein a filtering water tank, a pressure supplementing water tank and a water supply pipe are arranged in the device box body, a circulating filtration assembly is arranged in the filtering water tank, the pressure supplementing water tank is communicated with the filtering water tank, a water baffle is arranged at a communicating position, the water supply pipe is communicated with the filtering water tank, a control mechanism for controlling the water baffle to close the communicating position of the pressure supplementing water tank and the filtering water tank when the water pressure is reduced is arranged at the communicating position, and a pressure supplementing mechanism for communicating the pressure supplementing water tank and the water supply pipe when the water pressure is reduced is arranged between the water supply pipe and the bottom of the pressure supplementing water tank so as to supplement water for the water supply pipe and keep constant water pressure of the water supply pipe. Compared with the prior art, the invention has the advantages of cyclic filtration, ensuring constant water pressure, simple and uncomplicated structure, convenient maintenance and repair and the like.

Description

Constant-pressure water supply device with circulating filtration function for chemical plant
Technical Field
The invention belongs to the technical field of water supply devices, and particularly relates to a constant-pressure water supply device with a circulating filtering function for a chemical plant.
Background
At present, in some chemical plants, water is added to a water storage tank in a simple mode, the water is heated, cold water or hot water is pumped by a water pump to be supplied in a pressurized mode, and advanced equipment such as a PLC (programmable logic controller) and a frequency conversion device are adopted in part of places to control the water pressure.
Through retrieving, chinese application number CN202221172900.0 discloses a constant pressure water supply device, including outer water tank, pressure boost actuating mechanism and decompression mechanism, outer water tank inboard bottom fixed mounting has interior water tank, and one side fixed mounting of outer water tank has the inlet tube, and one side of outer water tank and one side fixed mounting of interior water tank have the outlet pipe, and pressure boost actuating mechanism sets up on outer water tank and interior water tank. When a plurality of users use water, the device can start the water pump B to the inside water supply of interior water tank and outlet pipe, increase the inside water pressure of interior water tank and outlet pipe, ensure that the user normally lives water, when the inside water pressure of interior water tank and outlet pipe is higher, water pressure can promote piston A and rise, makes water can flow out through the overflow mouth on the decompression section of thick bamboo, avoids outlet pipe and the inside water pressure of interior water tank great. The device carries out the pressure boost through the extra water pump that adds and supplies water, compares with the current variable frequency device that uses frequently, and the structure is complicated, is inconvenient for maintenance. In addition, the device is applied to the living field and can not be recycled, and the chemical water in the chemical plant can be recycled.
Through retrieving, chinese application number CN202110717433.9 discloses a constant pressure water supply installation, the device includes the base and sets up in the water supply structure of base top, the base top still is provided with the base that supplies its cooperation to install, the base upper end stretches into in the base and leave the bradyseism reservation groove with the base between, the base both sides have outwards protruding and supply the protruding seat that the base both sides supported by, the fluting has been seted up in the protruding seat, be equipped with damping spring in the fluting, water supply structure includes the water pump, overhead tank and communicating pipe, communicating pipe one end is connected with the water pump, the other end is connected with the inlet channel, the inside department of outer end of inlet channel sets up the filtering mechanism who has filtering capability. However, the device adopts a traditional pressure tank to supply water at constant pressure, so that the problem that the water pressure is negligent and small in use is solved, and the production operation is influenced.
Disclosure of Invention
The invention provides a constant-pressure water supply device with a circulating filtering function for a chemical plant, and aims to solve the problems in the background technology.
The invention discloses a constant-pressure water supply device with a circulating filtering function for a chemical plant, which comprises a device box body, wherein a water inlet pipe is arranged on the left side of the top of the device box body, a filtering water tank communicated with the water inlet pipe, a pressure supplementing water tank positioned below the right side of the filtering water tank, and a water supply pipe, one end of which extends out of the device box body, are arranged below the filtering water tank and the pressure supplementing water tank transversely, a circulating filtering component is arranged in the filtering water tank, a water baffle is arranged at the communicating part of the pressure supplementing water tank and the filtering water tank, a control mechanism for controlling the water baffle to close the communicating part of the pressure supplementing water tank and the filtering water tank when the water pressure is reduced is arranged at the communicating part, and a pressure supplementing mechanism for communicating the pressure supplementing water tank and the water supply pipe when the water pressure is reduced is arranged between the water pipe and the bottom of the pressure supplementing water tank so as to keep the water pressure constant for the water supply pipe.
Preferably, the circulating filter assembly comprises a first filter screen and a second filter screen which are arranged at the middle position inside the filter water tank, and the first filter screen and the second filter screen are distributed at intervals from top to bottom.
Preferably, a first communication pipe is communicated between the lower right side of the filtering water tank and the upper left side of the pressure supplementing water tank, an avoidance cavity is formed in the bottom of the first communication pipe, a water baffle is arranged in the avoidance cavity, and the bottom of the water baffle is connected with the control mechanism.
Preferably, a second communicating pipe is communicated between the bottom of the filtering water tank and the water supply pipe, and the control mechanism is arranged in the second communicating pipe.
Preferably, the control mechanism comprises a pressure plate arranged in the second communicating pipe, a sealing box arranged on the inner wall of the second communicating pipe and positioned below the pressure plate, a pressure rod arranged in the sealing box and connected with the pressure plate at the top, a first rack arranged on the wall of a rear side rod of the pressure rod, a first gear positioned on the upper side of the sealing box and meshed with the first rack, a connecting shaft coaxially connected with the first gear and extending out of the sealing box and the second communicating pipe, a second gear arranged in the avoidance cavity and coaxially connected with the connecting shaft, and a second rack meshed with the second gear, wherein the top of the second rack is connected with the bottom of the water baffle, and the wall of a front side rod of the pressure rod is connected with a first spring.
Preferably, a second spring is connected between the bottom of the water baffle and the bottom of the avoidance cavity.
Preferably, a third communicating pipe is communicated between the bottom of the pressure compensating water tank and the water supply pipe, and the pressure compensating mechanism comprises a blocking block arranged in the third communicating pipe, a connecting rod arranged in the pressure compensating water tank and connected with the blocking block, and a connecting sleeve arranged at the inner top of the pressure compensating water tank, wherein the top of the connecting rod is connected in the connecting sleeve, and a third spring connected with the top of the connecting rod is arranged in the connecting sleeve.
Preferably, the outer dimension of the blocking piece is matched with the inner diameter dimension of the third communicating pipe, and the upper plate surface of the blocking piece is in a conical structure.
Preferably, an overflow pipe communicated with the water supply pipe is arranged on the right tank wall of the pressure supplementing water tank.
The beneficial effects of the invention are as follows: according to the constant-pressure water supply device with the circulating filtering function for the chemical plant, the first filter screen and the second filter screen are sequentially arranged up and down, so that the device has the circulating filtering function and can be used for recycling chemical water; through the pressure supplementing mechanism, the pressure supplementing water tank and the water supply pipe can be automatically communicated when the water pressure of the water supply pipe is reduced, and pressurized water supply is provided for the water supply pipe through the pressure supplementing water tank so as to keep the water pressure in the water supply pipe constant; through the water baffle and the control mechanism, the communication between the filtering water tank and the pressure supplementing water tank can be disconnected when the water pressure is reduced, so that the continuous diversion is avoided when the water pressure is reduced; and when the water pressure is normal after the water pressure is reduced, replenishing water into the pressure replenishing water tank so as to facilitate pressurizing water supply of the pressure replenishing water tank when the water pressure is reduced next time. Compared with the prior art, the invention has the advantages of cyclic filtration, ensuring constant water pressure, simple and uncomplicated structure, convenient maintenance and repair and the like.
Drawings
FIG. 1 is a schematic view of the external perspective of the device;
FIG. 2 is a schematic view of the internal perspective structure of the device;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2;
fig. 5 is an enlarged schematic view of the structure at C in fig. 2.
In the figure: 1. a device case; 2. a water inlet pipe; 3. a filter water tank; 4. pressure supplementing water tank; 5. a water supply pipe; 6. a water baffle; 7. a first filter screen; 8. a second filter screen; 9. a first communication pipe; 10. an avoidance cavity; 11. a second communicating pipe; 12. a pressure plate; 13. a seal box; 14. a pressure rod; 15. a first rack; 16. a first gear; 17. a connecting shaft; 18. a second gear; 19. a second rack; 20. a first spring; 21. a second spring; 22. a third communicating pipe; 23. blocking; 24. a connecting rod; 25. connecting sleeves; 26. a third spring; 27. and (3) an overflow pipe.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a constant pressure water supply device for chemical plant with circulation filtering capability, includes device box 1, the top left side of device box 1 is provided with inlet tube 2, the inside of device box 1 be provided with filter tank 3 of inlet tube 2 intercommunication, be located the moisturizing water tank 4 of filter tank 3 right side below, be located filter tank 3, moisturizing water tank 4 below and transversely set up one end and stretch out the delivery pipe 5 outside the device box 1, the inside of filter tank 3 is provided with circulation filter assembly, moisturizing water tank 4 with filter tank 3 intercommunication and intercommunication department are provided with breakwater 6, delivery pipe 5 with filter tank 3 intercommunication, and the intercommunication department is provided with the control mechanism that control breakwater 6 will moisturizing water tank 4 with filter tank 3 intercommunication department closed, delivery pipe 5 with be provided with between the bottom of moisturizing water tank 4 when the water pressure reduces will moisturizing water tank 4 with delivery pipe 5 intercommunication is in order to keep to delivery pipe 5 water moisturizing water pressure constant mechanism.
Specifically, the filtering water tank 3 is located at the upper left side of the inside of the device box 1, the pressure supplementing water tank 4 is located at the lower right side of the filtering water tank 3, and the water supply pipes 5 are laterally distributed at the inner bottom of the device box 1 and the pipe orifice at the right end extends out of the inside of the device box 1.
As a further improvement of the embodiment, the circulating filter assembly comprises a first filter screen 7 and a second filter screen 8 which are arranged at the middle position inside the filter water tank 3, and the first filter screen 7 and the second filter screen 8 are distributed at intervals up and down. Through first filter screen 7, second filter screen 8, to follow the chemical industry water that inlet tube 2 got into carries out twice cyclic filtration, has reduced the impurity in the chemical industry water effectively, makes the chemical industry water after filtering satisfy the water requirement.
As a further improvement of this embodiment, a first communication pipe 9 is communicated between the lower right side of the filtering water tank 3 and the upper left side of the pressure compensating water tank 4, an avoidance cavity 10 is provided at the bottom of the first communication pipe 9, the water baffle 6 is disposed in the avoidance cavity 10, and the bottom of the water baffle 6 is connected with the control mechanism. The area size of the water baffle 6 is matched with the cross-sectional area of the first communication pipe 9, so as to achieve the purpose of completely disconnecting the communication between the filtering water tank 3 and the pressure supplementing water tank 4.
The avoidance cavity 10 is arranged at the middle position of the first communication pipe 9, and the avoidance cavity 10 is used for accommodating the water baffle 6. When the water baffle 6 is located in the avoidance cavity 10, the upper end of the water baffle 6 is flush with the inner bottom of the first communication pipe 9, and in addition, in order to prevent water in the first communication pipe 9 from penetrating into the avoidance cavity 10, a sealing waterproof gasket is arranged at an upper cavity opening of the avoidance cavity 10.
As a further improvement of the present embodiment, a second communicating pipe 11 is connected between the bottom of the filtering water tank 3 and the water supply pipe 5, and the control mechanism is disposed in the second communicating pipe 11. The upper pipe orifice of the second communicating pipe 11 is communicated with the middle position of the bottom of the filtering water tank 3, and the lower pipe orifice is communicated with the upper left side of the water supply pipe 5.
As a further improvement of the present embodiment, the control mechanism includes a pressure plate 12 disposed inside the second communication pipe 11, a seal box 13 disposed on an inner wall of the second communication pipe 11 and located below the pressure plate 12, a pressure bar 14 disposed inside the seal box 13 and having a top portion connected to the pressure plate 12, a first rack 15 disposed on a rear side lever wall of the pressure bar 14, a first gear 16 disposed on an upper side of the seal box 13 and engaged with the first rack 15, a connection shaft 17 coaxially connected to the first gear 16 and extending out of the seal box 13 and the second communication pipe 11, a second gear 18 disposed inside the avoidance chamber 10 and coaxially connected to the connection shaft 17, a second rack 19 engaged with the second gear 18, a top portion of the second rack 19 being connected to a bottom portion of the water deflector 6, and a front side lever wall of the pressure bar 14 being connected to a first spring 20. The pressure plate 12 is located at the right inner wall of the second communicating pipe 11, the sealing box 13 is fixed at the right inner wall of the second communicating pipe 11 and located below the pressure plate 12, and a sealing shaft collar is installed at the connection part of the pressure rod 14 and the sealing box 13, so as to prevent water from penetrating into the sealing box 13. The front side lever wall of the pressure lever 14 is provided with a protruding part, the bottom of the first spring 20 is propped against the bottom of the sealing box 13, the upper part is propped against the bottom surface of the protruding part, and the first spring 20 plays a role in driving the pressure plate 12 to rise and reset when the water pressure is reduced. The spring force of the first spring 20 is required to ensure that the first spring 20 is compressed when water is supplied at normal water pressure, and in a compressed state, the first spring 20 is restored to the original position when the water pressure is reduced, so that the pressure plate 12 is lifted to the original position. The first racks 15 are distributed along the axial direction of the pressure rod 14. The left end of the connecting shaft 17 is located inside the sealing box 13, the first gear 16 is coaxially mounted on the left end of the connecting shaft 17, the right end of the connecting shaft 17 is located in the avoidance cavity 10, and the second gear 18 is coaxially mounted on the right end of the connecting shaft 17.
As a further improvement of the present embodiment, a second spring 21 is connected between the bottom of the water baffle 6 and the bottom of the avoidance cavity 10. The second spring 21 cooperates with the second rack 19 to drive the water baffle 6 to rise together so as to close the communication between the filtering water tank 3 and the pressure supplementing water tank 4.
As a further improvement of this embodiment, a third communicating pipe 22 is communicated between the bottom of the pressure compensating water tank 4 and the water supply pipe 5, and the pressure compensating mechanism includes a block 23 disposed in the third communicating pipe 22, a connecting rod 24 disposed in the pressure compensating water tank 4 and connected with the block 23, and a connecting sleeve 25 disposed at the top of the pressure compensating water tank 4, where the top of the connecting rod 24 is connected in the connecting sleeve 25, and a third spring 26 connected with the top of the connecting rod 24 is disposed in the connecting sleeve 25. The outer dimension of the blocking block 23 is matched with the inner diameter dimension of the third communicating pipe 22, the upper plate surface of the blocking block 23 is in a conical structure, the service life of the blocking block 23 is prolonged, the impact force of water flowing out of the third communicating pipe 22 on the blocking block 23 is reduced, and the blocking block 23 is prevented from being disconnected with the connecting rod 24. The third spring 26 is a light spring, and the elastic force of the third spring 26 is required to ensure that the acting force of the third spring 26 and the acting force on the water pressure in the water supply pipe 5 are counteracted with the acting force on the water pressure in the pressure supplementing water tank 4 under the normal water pressure water supply condition, and the balance is kept, so that the blocking block 23 is always positioned in the third communicating pipe 22; when the water pressure decreases, that is, the water pressure in the water supply pipe 5 decreases, the balance is broken, the acting force of the third spring 26 plus the water pressure acting force in the water supply pipe 5 is smaller than the water pressure acting force in the pressure compensating water tank 4, so that the blocking block 23 is pushed out from the lower end of the third communicating pipe 22 under pressure, and the pressure compensating water tank 4 is communicated with the water supply pipe 5, thereby realizing water supply to the water supply pipe 5 and water pressure maintenance.
As a further improvement of the present embodiment, an overflow pipe 27 communicating with the water supply pipe 5 is provided on the right tank wall of the pressure-compensating tank 4. The height of the pipe orifice of the overflow pipe 27 determines the water storage capacity in the pressure-compensating water tank 4, and when the water level in the pressure-compensating water tank 4 reaches the pipe orifice of the overflow pipe 27, i.e. after the maximum capacity in the pressure-compensating water tank 4 is reached, the excessive water flows back from the overflow pipe 27 into the water supply pipe 5, and is supplied together with the water flow flowing into the water supply pipe 5 from the second communicating pipe 11.
The working principle and the using flow of the invention are as follows:
normal water pressure water supply: after water enters the filter water tank 3 from the water inlet pipe 2 and is circularly filtered by the first filter screen 7 and the second filter screen 8, a part of water flows into the pressure supplementing water tank 4 through the first communication pipe 9, after the water in the pressure supplementing water tank 4 reaches the height of the overflow pipe 27, the redundant water flows into the water supply pipe 5 from the overflow pipe 27, and the other part of water flows into the water supply pipe 5 through the second communication pipe 11 and is supplied to water equipment through the water supply pipe 5 together with the water flowing into the water supply pipe 5 from the overflow pipe 27; in this state, the pressure plate 12 in the second communication pipe 11 is in a depressed state, the pressure rod 14 is fully compressed into the sealing box 13, the first spring 20 is compressed, the upper limit position of the first rack 15 is meshed with the first gear 16, the second gear 18 is meshed with the upper limit position of the second rack 19, the second spring 21 at the bottom of the water baffle 6 is in a compressed state, and the water baffle 6 is positioned in the avoidance chamber 10.
When the water pressure decreases: the water pressure passing through the second communicating pipe 11 is reduced, the first spring 20 is reset, the pressure plate 12 rises under the action of the first spring 20, in the rising process, the first rack 15 enables the first gear 16 to rotate anticlockwise, the second gear 18 which is coaxially connected is driven by the connecting shaft 17 to synchronously rotate in the same direction, the second rack 19 is enabled to lift upwards, the water baffle 6 is jointly pushed upwards into the first communicating pipe 9 under the action of the second spring 21, the filtering water tank 3 and the pressure supplementing water tank 4 are disconnected, meanwhile, due to the fact that the water pressure in the water supply pipe 5 is reduced, the balance between the upper part and the lower part of the blocking block 23 is broken, the blocking block 23 is pushed out from the third communicating pipe 22 under the action of the water pressure in the pressure supplementing water tank 4, the pressure supplementing water tank 4 is communicated with the water supply pipe 5, the water in the pressure supplementing water tank 4 plays a role of pressurizing and supplementing water, and the purpose of keeping the water supply pipe 5 constant is achieved. When the water pressure is recovered to be normal, the pressure plate 12 is pressed down, the process is reversely operated, the water baffle 6 is lowered into the avoiding cavity 10, the filtering water tank 3 is communicated with the pressure supplementing water tank 4, water is supplemented into the pressure supplementing water tank 4 through the first communicating pipe 9, meanwhile, the blocking block 23 is reset to the third communicating pipe 22 under the action of the third spring 26, the pressure supplementing water tank 4 is disconnected from the water supply pipe 5, and after the water in the pressure supplementing water tank 4 reaches the height of the overflow pipe 27, redundant water flows into the water supply pipe 5 from the overflow pipe 27.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (9)

1. Constant pressure water supply device for chemical plant with circulation filtering capability, including device box (1), its characterized in that: the device is characterized in that a water inlet pipe (2) is arranged on the left side of the top of the device box body (1), a filtering water tank (3) communicated with the water inlet pipe (2) is arranged in the device box body (1), the water supplementing water tank (4) is arranged below the right side of the filtering water tank (3), the water supplementing water tank (4) is arranged below the filtering water tank (3) and one end of the water supplementing water tank is transversely arranged to extend out of a water supply pipe (5) outside the device box body (1), a circulating filter assembly is arranged in the filtering water tank (3), the water supplementing water tank (4) is communicated with the filtering water tank (3) and a water baffle (6) is arranged at a communicating part, the water supply pipe (5) is communicated with the filtering water tank (3), a control mechanism for controlling the water baffle (6) to be closed at the communicating part of the filtering water tank (3), and the water supplementing water tank (4) is arranged between the water supply pipe (5) and the bottom of the water supplementing water tank (4) and the water supplementing water supply pipe (5) so as to keep constant water pressure of the water supplementing water supply pipe (5) when the water supplementing water pressure is reduced.
2. The constant pressure water supply device for chemical plants with a circulation filtering function as set forth in claim 1, wherein: the circulating filter assembly comprises a first filter screen (7) and a second filter screen (8) which are arranged at the middle position inside the filter water tank (3), and the first filter screen (7) and the second filter screen (8) are distributed at intervals up and down.
3. The constant pressure water supply device for chemical plants with a circulation filtering function as set forth in claim 1, wherein: a first communication pipe (9) is communicated between the lower right side of the filtering water tank (3) and the upper left side of the pressure supplementing water tank (4), an avoidance cavity (10) is formed in the bottom of the first communication pipe (9), a water baffle (6) is arranged in the avoidance cavity (10), and the bottom of the water baffle (6) is connected with the control mechanism.
4. A constant pressure water supply device for chemical plants having a circulation filtering function as set forth in claim 3, wherein: a second communicating pipe (11) is communicated between the bottom of the filtering water tank (3) and the water supply pipe (5), and the control mechanism is arranged in the second communicating pipe (11).
5. The constant pressure water supply device for chemical plants with a circulation filtering function as set forth in claim 4, wherein: the control mechanism comprises a pressure plate (12) arranged inside the second communicating pipe (11), a sealing box (13) arranged on the inner wall of the second communicating pipe (11) and positioned below the pressure plate (12), a pressure rod (14) arranged in the sealing box (13) and with the top connected with the pressure plate (12), a first rack (15) arranged on the wall of a rear side rod of the pressure rod (14), a first gear (16) arranged on the upper side of the sealing box (13) and meshed with the first rack (15), a connecting shaft (17) coaxially connected with the first gear (16) and extending out of the sealing box (13) and the second communicating pipe (11), a second gear (18) arranged in the avoidance cavity (10) and coaxially connected with the connecting shaft (17), a second rack (19) meshed with the second gear (18), the top of the second rack (19) is connected with the bottom of the water retaining plate (6), and a first rack (20) is connected with the front side rod (14).
6. The constant pressure water supply device for chemical plants with a circulation filtering function as set forth in claim 5, wherein: a second spring (21) is connected between the bottom of the water baffle (6) and the bottom of the avoidance cavity (10).
7. The constant pressure water supply device for chemical plants with a circulation filtering function as set forth in claim 1, wherein: the bottom of the pressure supplementing water tank (4) is communicated with the water supply pipe (5) through a third communicating pipe (22), the pressure supplementing mechanism comprises a blocking block (23) arranged in the third communicating pipe (22), a connecting rod (24) arranged inside the pressure supplementing water tank (4) and connected with the blocking block (23), a connecting sleeve (25) arranged at the inner top of the pressure supplementing water tank (4), the top of the connecting rod (24) is connected to the connecting sleeve (25), and a third spring (26) connected with the top of the connecting rod (24) is arranged in the connecting sleeve (25).
8. The constant pressure water supply device for chemical plants with a circulation filtering function as set forth in claim 7, wherein: the outer contour dimension of the blocking block (23) is matched with the inner diameter dimension of the third communicating pipe (22), and the upper plate surface of the blocking block (23) is in a conical structure.
9. The constant pressure water supply device for chemical plants with a circulation filtering function as set forth in claim 1, wherein: an overflow pipe (27) communicated with the water supply pipe (5) is arranged on the right side tank wall of the pressure supplementing water tank (4).
CN202310529122.9A 2023-05-11 2023-05-11 Constant-pressure water supply device with circulating filtration function for chemical plant Pending CN116397718A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310529122.9A CN116397718A (en) 2023-05-11 2023-05-11 Constant-pressure water supply device with circulating filtration function for chemical plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310529122.9A CN116397718A (en) 2023-05-11 2023-05-11 Constant-pressure water supply device with circulating filtration function for chemical plant

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Publication Number Publication Date
CN116397718A true CN116397718A (en) 2023-07-07

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Application Number Title Priority Date Filing Date
CN202310529122.9A Pending CN116397718A (en) 2023-05-11 2023-05-11 Constant-pressure water supply device with circulating filtration function for chemical plant

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116715322A (en) * 2023-08-11 2023-09-08 深圳市鹏翔汇星水处理技术有限公司 Water outlet control device of ultrafilter and ultrafilter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116715322A (en) * 2023-08-11 2023-09-08 深圳市鹏翔汇星水处理技术有限公司 Water outlet control device of ultrafilter and ultrafilter
CN116715322B (en) * 2023-08-11 2023-10-20 深圳市鹏翔汇星水处理技术有限公司 Water outlet control device of ultrafilter and ultrafilter

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