CN210216577U

CN210216577U - Non-negative pressure water supply equipment

Info

Publication number: CN210216577U
Application number: CN201921067691.1U
Authority: CN
Inventors: Lina Jin; 金立娜
Original assignee: Zhejiang Fanyi Environmental Protection Technology Co Ltd
Current assignee: Zhejiang Fanyi Environmental Protection Technology Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-03-31
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a no negative pressure water supply equipment, its technical scheme main points are including the stationary flow jar, vacuum suppressor, booster pump, storage water tank and the frequency conversion controller of mutually supporting, and stationary flow jar is through setting up inlet tube and municipal pipeline interconnect, and the storage water tank is through setting up outlet pipe and user's pipeline interconnect, all be provided with filter assembly on inlet tube and the outlet pipe, filter assembly is including filtering import, filtration export and two filtration branch pipes that are connected with filtration import, filtration export respectively, and two middle parts of filtering the branch pipe all are provided with filtration, and filtration is including filtering casing and a plurality of filtration otter board that is located the filtration casing, and the both ends of filtering the casing are through setting up loose joint structure and filtering the branch pipe and can dismantle the connection each other. The utility model discloses have online cleaning or change filtration, do not influence user normal use, secondary filter, the filter effect is good, safe and reliable's effect.

Description

Non-negative pressure water supply equipment

Technical Field

The utility model relates to a water supply equipment technical field, concretely relates to no negative pressure water supply equipment.

Background

The non-negative pressure water supply equipment is a pressurized water supply unit, is directly connected with a municipal water supply network, and is serially connected with a pressure-superposed water supply system on the basis of the residual pressure of the municipal pipe network to ensure that the pressure of the municipal pipe network is not less than the set protection pressure (the set pressure must be higher than the pressure requirement of a direct supply area of a community and is generally not less than 1.2 Kg). The non-negative pressure water supply equipment is also called as pipe network pressure-superposed water supply equipment, and at present, the market mainly comprises tank type non-negative pressure water supply equipment and box type non-negative pressure water supply equipment. The core of the pipe network pressure-superposed (non-negative pressure) water supply equipment is how to prevent negative pressure from generating in the operation process of a secondary pressure water supply system, eliminate the influence of unit operation on a municipal pipe network, and realize safe, reliable, stable and water supply on the premise of ensuring that the water consumption of nearby users is not influenced.

The existing non-negative pressure water supply equipment has the following problems:

1. the front end of the non-negative pressure water supply equipment is communicated with a municipal pipeline by arranging a filter, and the filter needs to be cleaned or replaced regularly after being used for a long time, but the cleaning or the replacement can cause the non-negative pressure water supply equipment to stop supplying water to influence the normal use of a user;

2. pipeline and jar internal portion take place the corrosion after using for a long time, and cause the water secondary pollution phenomenon of carrying, but current water supply equipment only sets up the filter intaking the end, does not carry out secondary filter to the play water end, can't guarantee the pure degree of water when carrying user's family.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of prior art existence, the utility model provides a no negative pressure water supply equipment has online cleaning or changes filtration, does not influence user's normal use, secondary filter, and the filter effect is good, safe and reliable's effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: a non-negative pressure water supply device comprises a steady flow tank, a vacuum suppressor, a booster pump, a water storage tank and a variable frequency controller which are mutually matched, wherein the steady flow tank is mutually connected with a municipal pipeline through a water inlet pipe, the water storage tank is mutually connected with a user pipeline through a water outlet pipe, the water inlet pipe and the water outlet pipe are both provided with a filtering component, the filtering component comprises a filtering inlet, a filtering outlet and two filtering branch pipes which are respectively connected with the filtering inlet and the filtering outlet, the middle parts of the two filtering branch pipes are both provided with a filtering structure, the left side and the right side of the filtering structure are both provided with a first check valve which are matched, one end of each of the two filtering branch pipes is mutually connected with the filtering inlet through a three-way electromagnetic valve, the other end of each of the two filtering branch pipes is mutually connected with the filtering outlet through a, the two ends of the filtering shell are detachably connected with the filtering branch pipes through movable connection structures.

Through adopting above-mentioned technical scheme, two filtering branch pipe of three way solenoid valve cooperation make three way solenoid valve can control the break-make condition of two filtering branch pipe for washing or changing filtration, need not to shut down and go on can not causing the influence to user's normal water, all be provided with filtering component on inlet tube and the outlet pipe simultaneously, can carry out the secondary filter to rivers, guarantee the pure degree when water is carried user's house.

The utility model discloses further set up to: the loose joint structure comprises a first joint, a second joint and a locking nut sleeved on the second joint, wherein the first joint and the second joint are respectively provided with a first connecting part and a second connecting part, the first connecting part is provided with an external thread matched with the locking nut, and the second connecting part is provided with a limiting step matched with the locking nut.

Through adopting above-mentioned technical scheme, first joint and second connect and can dismantle the connection each other through lock nut for filter housing both ends can be dismantled and connect on filtering the branch pipe, the filtration regular cleaning or the change of being convenient for.

The utility model discloses further set up to: seal ring is clamped at the joint of the first connecting part and the second connecting part, and an annular sealing groove matched with the seal ring is formed in the first connecting part.

Through adopting above-mentioned technical scheme, seal ring guarantees the leakproofness of first connecting portion and second connecting portion junction, and the annular seal groove is convenient for seal ring's installation fixed.

The utility model discloses further set up to: one end of the first joint and one end of the second joint are respectively fixedly connected with the filtering branch pipe and the filtering shell in an arc welding mode, the first joint, the second joint and the sealing washer are provided with through holes with equal inner diameters, and the inner diameters of the through holes are equal to the inner diameters of the filtering branch pipes.

Through adopting above-mentioned technical scheme, arc welding mode and filtration branch pipe and filtration casing fixed connection improve the structural stability of first joint and second articulate department, and the internal diameter of through-hole equals with the internal diameter size of filtration branch pipe and guarantees that the flow resistance of rivers can not change, and the rivers of being convenient for pass through.

The utility model discloses further set up to: the number of the filter screen plates is at least two, a magnetic filter screen and an active carbon filter layer are clamped between every two adjacent filter screen plates, and the active carbon filter layer is made of active carbon fibers.

Through adopting above-mentioned technical scheme, the magnetism filter screen has the metal particle thing in the magnetic property adsorbs the rivers, and the active carbon filter layer can adsorb and filter the effect that plays the water purification.

The utility model discloses further set up to: the filtering inlet and the filtering outlet are fixedly connected with the water inlet pipe or the water outlet pipe through a flange plate, and pressure safety valves matched with the filtering components are arranged on the water inlet pipe and the water outlet pipe and are close to one side of the filtering inlet.

Through adopting above-mentioned technical scheme, the pressure relief valve prevents that the too big damage to filter assembly that causes of pressure of filter assembly department from shortening life and influence the normal water of user.

The utility model discloses further set up to: the connection part of the filtering branch pipe and the filtering inlet and the filtering outlet is provided with an arc transition, and the filtering branch pipe is also provided with a one-way stop valve matched with the filtering structure.

Through adopting above-mentioned technical scheme, filter the branch pipe with filter import and filter exit linkage department be provided with the circular arc transition and be convenient for rivers to pass through, reduce the flow resistance, one-way stop valve makes rivers more stable through filtering the branch pipe simultaneously.

The utility model discloses further set up to: the filtering shell comprises a first shell and a second shell which are matched with each other, and a shell sealing ring and a sealing convex ring are arranged at the joint of the first shell and the second shell.

Through adopting above-mentioned technical scheme, first casing and second casing are convenient for filter the interior filter plate of casing and are carried out the dismouting, and casing seal circle and sealed bulge loop improve the leakproofness of first casing and second casing junction.

To sum up, the utility model discloses following beneficial effect has:

1. the three-way electromagnetic valve is matched with the two filtering branch pipes, so that the three-way electromagnetic valve can control the on-off condition of the two filtering branch pipes, the filtering structure is cleaned or replaced, the normal water use of a user is not influenced without stopping the machine, and meanwhile, the water flow can be secondarily filtered by arranging the filtering components on the water inlet pipe and the water outlet pipe, so that the purity degree of the water when the water is conveyed to the home of the user is ensured;

2. the first joint and the second joint are detachably connected with each other through the locking nut, so that two ends of the filtering shell are detachably connected to the filtering branch pipes, and the filtering structure is convenient to clean or replace at regular time;

3. through the mode that two adjacent filter screens press from both sides between the otter board and be equipped with magnetism filter screen and active carbon filter layer for metal particle thing in the rivers can be adsorbed to the magnetism filter screen that has magnetism, and active carbon filter layer can adsorb and filter, plays the effect of water purification.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the filter assembly of fig. 1.

Fig. 3 is a schematic structural view of the filter structure of fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 5 is an exploded view of the loose joint structure of fig. 4.

Reference numerals: 1. a flow stabilizing tank; 2. a vacuum suppressor; 3. a booster pump; 4. a water storage tank; 5. a variable frequency controller; 6. a water inlet pipe; 7. a water outlet pipe; 8. a filter assembly; 9. a filtration inlet; 10. a filtration outlet; 11. filtering the branch pipe; 12. a filter structure; 13. a first check valve; 14. a three-way electromagnetic valve; 15. a second check valve; 16. a filter screen plate; 17. a loose joint structure; 18. a first joint; 19. a second joint; 20. locking the nut; 21. a first connection portion; 22. a second connecting portion; 23. a limiting step; 24. a sealing gasket; 25. a magnetic filter screen; 26. an activated carbon filter layer; 27. a flange plate; 28. a pressure relief valve; 29. a one-way stop valve; 30. a first housing; 31. a second housing; 32. a housing seal ring; 33. and sealing the convex ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a non-negative pressure water supply device, as shown in fig. 1 to 5, comprising a steady flow tank 1, a vacuum suppressor 2, a booster pump 3, a water storage tank 4 and a frequency conversion controller 5, which are mutually matched, wherein the steady flow tank 1 is mutually connected with a municipal pipeline by arranging a water inlet pipe 6, the water storage tank 4 is mutually connected with a user pipeline by arranging a water outlet pipe 7, both the water inlet pipe 6 and the water outlet pipe 7 are provided with a filter assembly 8, the filter assembly 8 comprises a filter inlet 9, a filter outlet 10 and two filter branch pipes 11 respectively connected with the filter inlet 9 and the filter outlet 10, the middle parts of the two filter branch pipes 11 are provided with filter structures 12, both the left side and the right side of each filter structure 12 are provided with first check valves 13 which are matched, one ends of the two filter branch pipes 11 are mutually connected with the filter inlet 9 by arranging a three-way electromagnetic valve 14, the other ends of the two filter branch pipes 11, the filtering structure 12 comprises a filtering shell and a plurality of filtering screen plates 16 positioned in the filtering shell, and two ends of the filtering shell are detachably connected with the filtering branch pipes 11 by arranging loose joint structures 17; three solenoid valve 14 cooperates two branch filter pipes 11 to make three solenoid valve 14 can control the break-make condition of two branch filter pipes 11 for washing or changing filtration 12, need not to shut down and go on can not causing the influence to user's normal water, all be provided with filter assembly 8 on inlet tube 6 and the outlet pipe 7 simultaneously, can carry out secondary filter to rivers, guarantee the pure degree when water is carried user's house.

The movable connection structure 17 comprises a first joint 18, a second joint 19 and a locking nut 20 sleeved on the second joint 19, a first connection part 21 and a second connection part 22 are respectively arranged on the first joint 18 and the second joint 19, an external thread matched with the locking nut 20 is arranged on the first connection part 21, and a limiting step 23 matched with the locking nut 20 is arranged on the second connection part 22; the first and

second connectors

18 and 19 are detachably connected to each other by means of locking nuts 20, so that both ends of the filter housing are detachably connected to the filter branch pipes 11, thereby facilitating the regular cleaning or replacement of the filter structure 12.

A sealing washer 24 is clamped at the joint of the first connecting part 21 and the second connecting part 22, and an annular sealing groove matched with the sealing washer 24 is arranged on the first connecting part 21; the sealing washer 24 ensures the sealing performance at the joint of the first connecting part 21 and the second connecting part 22, and the annular sealing groove facilitates the installation and fixation of the sealing washer 24.

One end of the first joint 18 and one end of the second joint 19 are fixedly connected with the filtering branch pipe 11 and the filtering shell respectively in an arc welding mode, through holes with the same inner diameter are formed in the first joint 18, the second joint 19 and the sealing washer 24, and the inner diameters of the through holes are equal to the inner diameter of the filtering branch pipe 11; the arc welding mode is fixedly connected with the filtering branch pipe 11 and the filtering shell, the structural stability of the joint of the first joint 18 and the second joint 19 is improved, the inner diameter of the through hole is equal to the inner diameter of the filtering branch pipe 11 in size, the flow resistance of water flow cannot be changed, and the water flow can pass through conveniently.

The number of the filter screen plates 16 is at least two, a magnetic filter screen 25 and an active carbon filter layer 26 are clamped between two adjacent filter screen plates 16, and the active carbon filter layer 26 is made of active carbon fibers; the magnetic filter screen 25 has magnetic property to adsorb metal particles in water flow, and the activated carbon filter layer 26 can adsorb and filter to play a role in purifying water.

The filtering inlet 9 and the filtering outlet 10 are fixedly connected with the water inlet pipe 6 or the water outlet pipe 7 through a flange 27, and one sides of the water inlet pipe 6 and the water outlet pipe 7 close to the filtering inlet 9 are respectively provided with a pressure safety valve 28 matched with the filtering component 8; the pressure relief valve 28 prevents the filter assembly 8 from being damaged by excessive pressure at the filter assembly 8, shortening the service life and affecting the normal water use of the user.

The joint of the filtering branch pipe 11 and the filtering inlet 9 and the filtering outlet 10 is provided with an arc transition, and the filtering branch pipe 11 is also provided with a one-way stop valve 29 matched with the filtering structure 12; the joints of the filtering branch pipes 11 and the filtering inlets 9 and the filtering outlets 10 are provided with circular arc transition parts which are convenient for water flow to pass through, so that the flow resistance is reduced, and meanwhile, the one-way stop valve 29 enables the water flow to more stably pass through the filtering branch pipes 11.

The filter shell comprises a first shell 30 and a second shell 31 which are matched, and a shell sealing ring 32 and a sealing convex ring 33 are arranged at the joint of the first shell 30 and the second shell 31; the first shell 30 and the second shell 31 are convenient for the filter screen 16 in the filter shell to be disassembled and assembled, and the shell sealing ring 32 and the sealing convex ring 33 improve the sealing performance of the joint of the first shell 30 and the second shell 31.

To sum up, the utility model discloses following beneficial effect has:

1. the three-way electromagnetic valve 14 is matched with the two filtering branch pipes 11, so that the three-way electromagnetic valve 14 can control the on-off condition of the two filtering branch pipes 11, the filtering structure 12 is cleaned or replaced, the normal water use of a user is not influenced without stopping the machine, and meanwhile, the water flow can be secondarily filtered by arranging the filtering components 8 on the water inlet pipe 6 and the water outlet pipe 7, so that the purity degree of the water when the water is conveyed to the home of the user is ensured;

2. the first joint 18 and the second joint 19 are detachably connected with each other through the locking nut 20, so that two ends of the filter shell are detachably connected to the filter branch pipe 11, and the filter structure 12 is convenient to clean or replace at regular time;

3. through the mode that magnetic filter screen 25 and active carbon filter layer 26 are sandwiched between two adjacent filter screen plates 16, magnetic filter screen 25 can adsorb metal particles in the water flow, and active carbon filter layer 26 can adsorb and filter, plays the effect of water purification.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a no negative pressure water supply equipment, is including stationary flow jar (1), vacuum suppressor (2), booster pump (3), storage water tank (4) and frequency conversion controller (5) that mutually support, stationary flow jar (1) through setting up inlet tube (6) and municipal administration pipeline interconnect, storage water tank (4) through setting up outlet pipe (7) and user's pipeline interconnect, its characterized in that: the water inlet pipe (6) and the water outlet pipe (7) are both provided with a filtering component (8), the filtering component (8) comprises a filtering inlet (9), a filtering outlet (10) and two filtering inlets (9), filter branch pipe (11) that export (10) are connected, the middle part of two branch pipe (11) of filtering all is provided with filtration (12), the left and right sides of filtration (12) all is equipped with first check valve (13) of looks adaptation, the one end of two branch pipe (11) of filtering is through setting up three solenoid valve (14) and filtering import (9) interconnect, the other end of two branch pipe (11) of filtering is through setting up second check valve (15) and filtering export (10) interconnect, filtration (12) are including filtering casing and a plurality of filtration otter board (16) that are located filtering casing, the both ends of filtering the casing are through setting up loose joint structure (17) and filtering branch pipe (11) detachable each other and be connected.

2. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: loose joint structure (17) are including first joint (18), second joint (19) and set up lock nut (20) on second joint (19) in, are provided with first connecting portion (21) and second connecting portion (22) on first joint (18) and second joint (19) respectively, be provided with the external screw thread with lock nut (20) looks adaptation on first connecting portion (21), be provided with spacing step (23) with lock nut (20) looks adaptation on second connecting portion (22).

3. A non-negative pressure water supply apparatus as claimed in claim 2, wherein: a sealing washer (24) is clamped at the joint of the first connecting part (21) and the second connecting part (22), and an annular sealing groove matched with the sealing washer (24) is formed in the first connecting part (21).

4. A non-negative pressure water supply apparatus as claimed in claim 3, wherein: one end of the first joint (18) and one end of the second joint (19) are respectively fixedly connected with the filtering branch pipe (11) and the filtering shell in an arc welding mode, through holes with the same inner diameter are formed in the first joint (18), the second joint (19) and the sealing washer (24), and the inner diameter of each through hole is equal to the inner diameter of the filtering branch pipe (11).

5. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: the number of the filter screen plates (16) is at least two, a magnetic filter screen (25) and an active carbon filter layer (26) are clamped between every two adjacent filter screen plates (16), and the active carbon filter layer (26) is made of active carbon fibers.

6. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: the filtering inlet (9) and the filtering outlet (10) are fixedly connected with the water inlet pipe (6) or the water outlet pipe (7) through the flange (27), and one sides of the water inlet pipe (6) and the water outlet pipe (7) close to the filtering inlet (9) are respectively provided with a pressure safety valve (28) matched with the filtering component (8).

7. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: the joint of the filtering branch pipe (11) and the filtering inlet (9) and the filtering outlet (10) is provided with an arc transition, and the filtering branch pipe (11) is also provided with a one-way stop valve (29) matched with the filtering structure (12).

8. The non-negative pressure water supply apparatus as claimed in claim 1, wherein: the filtering shell comprises a first shell (30) and a second shell (31) which are matched with each other, and a shell sealing ring (32) and a sealing convex ring (33) are arranged at the joint of the first shell (30) and the second shell (31).