CN101493101B

CN101493101B - Multifunctional water pump control valve for automatic pollution discharge

Info

Publication number: CN101493101B
Application number: CN200910042735XA
Authority: CN
Inventors: 桂新春; 丁文敏; 王胜利; 徐秋红
Original assignee: ZHUZHOU SOUTHERN VALVE CO Ltd
Current assignee: ZHUZHOU SOUTHERN VALVE CO Ltd
Priority date: 2009-02-26
Filing date: 2009-02-26
Publication date: 2011-07-20
Anticipated expiration: 2029-02-26
Also published as: CN101493101A

Abstract

The invention discloses an automatic pollution discharge multifunctional water pump control valve which comprises a valve body and a control cavity; wherein, an inlet and an outlet of the valve body are respectively provided with a water inlet end control pipeline and a water outlet end control pipeline which are communicated with the control cavity. The water inlet end control pipeline is sequentially connected with a first lower inlet and higher outlet filter and a check valve in series from the inlet to the control cavity, and the water outlet end control pipeline is sequentially connected with a second lower inlet and higher outlet filter in series from outlet to the control cavity. A self-cleaning control assembly is connected between the water inlet end control pipeline and the water outlet end control pipeline and comprises a first electrically operated valve and a control box, wherein, the control box is connected with the first electrically operated valve, one end of the first electrically operated valve is connected between the first lower inlet and higher outlet filter and the check valve, and the other end is connected between the second lower inlet and higher outlet filter and the control cavity. The automatic pollution discharge multifunctional water pump control valve has the advantages of automatically cleaning the filters, being strong in washing and pollution discharge capability and high in automation degree.

Description

Multifunctional water pump control valve for automatic pollution discharge

Technical field

The present invention relates to the pump valve field, relate in particular to multifunctional water pump control valve for automatic pollution discharge.

Background technique

In the prior art; general multifunction valve is equipped with plain filter in its pilot line; when being applied to this kind multifunction valve in the sewage operating mode; sewage changes clear water into after filtering through filter; enter the control chamber of valve body again; can prevent that like this control chamber from being corroded by sewage, improve the working life of control chamber and internal component thereof, but the spot in the sewage can be deposited in the filter; filter is often stopped up; cause valve working to lose efficacy, therefore, need often to shut down to safeguard; filter is cleaned or changes; thereby influence is the control effect automatically, brings a lot of inconvenience to production, causes the raising of cost of production.

Summary of the invention

The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, and providing a kind of can carry out self-cleaning, the strong multifunctional water pump control valve for automatic pollution discharge of cleaning pollution discharge capability to filter.

For solving the problems of the technologies described above, the present invention by the following technical solutions.

A kind of multifunctional water pump control valve for automatic pollution discharge, comprise valve body and control chamber, the import of described valve body and outlet are respectively equipped with feed-water end pilot line and the waterexit end pilot line that is communicated with control chamber, described feed-water end pilot line first low in and high out filter and the safety check of connecting successively from import to control chamber, described waterexit end pilot line is from being exported to the control chamber second low in and high out filter of connecting, be connected with the self-cleaning control unit between feed-water end pilot line and the waterexit end pilot line, described self-cleaning control unit comprises first mortor operated valve and control box, described control box is connected with first mortor operated valve, described first mortor operated valve, one end is connected between the first low in and high out filter and the safety check, and the other end is connected between the second low in and high out filter and the control chamber.

Described waterexit end pilot line is provided with second mortor operated valve that is connected with control box, and second mortor operated valve, one end is connected between the second low in and high out filter and the outlet, and the other end communicates with the external world.

Described first mortor operated valve and second mortor operated valve are electric ball valve or Solenoid ball valve.

The described first low in and high out filter and the second low in and high out filter include filter body, filter screen and strainer cover, described filter screen is fixed in middle part in the filter body by strainer cover, the filter screen below is the water intake of low in and high out filter, and the filter screen top is the water outlet of low in and high out filter.

Be connected with service valve between the described import and the first low in and high out filter, be connected with service valve between the described outlet and the second low in and high out filter.

Compared with prior art, the invention has the advantages that:

1, between the feed-water end pilot line of valve body and waterexit end pilot line, the self-cleaning control unit is set, by control box in the self-cleaning control unit break-make of first mortor operated valve is controlled, utilize the variation of pressure difference in the pipeline, realize automatically advancing clear water from low in and high out filter high-end, and from the discharging of the low side of low in and high out filter, the spot of piling up in the opposite direction of the water inlet and outlet flushing low in and high out filter during with proper functioning, not only clean the automaticity height, and cleaning performance is better, also do not need to insert in addition the cleaning water source simultaneously, simplify device structure, saved fabricating cost and operating cost.

2, the waterexit end pilot line is provided with second mortor operated valve that is connected with control box, second mortor operated valve, one end is connected between the second low in and high out filter and the outlet, the other end communicates with the external world, when the second low in and high out filter is washed, opening second mortor operated valve can be with outside the direct expulsion valve of spot that is deposited in the second low in and high out filter, thereby improves developing result.

3, filter adopts the structure of low in and high out, under the normal working, sewage enters from the low side of low in and high out filter, and clear water is from its high-end output, spot in the sewage is deposited on low side, is convenient in backwash process spot and impurity emptying with low in and high out filter low side.

4, multifunctional water pump control valve for automatic pollution discharge of the present invention, simple and compact for structure, assembling and easy to maintenance, floor space is little, and Security and reliability height also have the self-cleaning ability simultaneously, can continue for a long time to use, and need not frequent cleaning manually.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention 1;

Fig. 2 is the structural representation of the embodiment of the invention 2;

Fig. 3 is a low in and high out structure of filter schematic representation among the present invention.

Each label is represented among the figure:

1, valve body 2, feed-water end pilot line

3, waterexit end pilot line 4, self-cleaning control unit

5, control chamber 6, safety check

7, the first low in and high out filter 8, the second low in and high out filter

9, second mortor operated valve 10, service valve

11, import 12, outlet

13, valve insertion 14, valve board assembly

15, control chamber epicoele 16, control chamber cavity of resorption

17, diaphragm 18, filter body

19, filter screen 20, strainer cover

21, valve gap 22, valve rod

23, diaphragm seat 40, control box

41, first mortor operated valve

Embodiment

Embodiment 1: as shown in Figure 1, multifunctional water pump control valve for automatic pollution discharge of the present invention, it is to be formed by connecting in regular turn by valve body 1, diaphragm seat 23 and valve gap 21, diaphragm seat 23 surrounds control chamber 5 with valve gap 21, valve body 1 surrounds valve insertion 13 with diaphragm seat 23, valve body 1 is provided with import 11 and the outlet 12 that communicates with valve insertion 13, be provided with the valve rod 22 that runs through control chamber 5 and valve insertion 13 in the valve body 1, valve rod 22 lower ends are provided with the valve board assembly 14 of control valve body 1 break-make, and valve rod 22 upper ends are provided with the diaphragm 17 that control chamber 5 is divided into control chamber epicoele 15 and control chamber cavity of resorption 16.The import 11 of valve body 1 is provided with the feed-water end pilot line 2 that is communicated with control chamber cavity of resorption 16, this feed-water end pilot line 2 is from import 11 to control chamber cavity of resorption 16 service valve 10 of connecting successively, the first low in and high out filter 7 and safety check 6, waterexit end pilot line 3 is from exporting 12 to control chamber 5 connect the successively service valve 10 and the second low in and high out filter 8, be connected with self-cleaning control unit 4 between feed-water end pilot line 2 and the waterexit end pilot line 3, self-cleaning control unit 4 comprises first mortor operated valve 41 and control box 40, control box 40 is connected with first mortor operated valve 41, first mortor operated valve, 41 1 ends are connected between the first low in and high out filter 7 and the safety check 6, and the other end is connected between the second low in and high out filter 8 and the control chamber epicoele 15.First mortor operated valve 41 can be selected electric ball valve or Solenoid ball valve for use, selects electric ball valve in the present embodiment for use, and by control box 40 control break-makes.The first low in and high out filter 7 in the present embodiment is identical with the second low in and high out filter, 8 structures, specifically as shown in Figure 3, both include filter body 18, filter screen 19 and strainer cover 20, filter screen 19 is fixed in middle part in the filter body 18 by strainer cover 20, filter screen 19 belows are the water intake of low in and high out filter, and filter screen 19 tops are the water outlet of low in and high out filter.When being installed to the low in and high out filter in this feed-water end pilot line 2 or the waterexit end pilot line 3, the water inlet of low in and high out filter is in low side, and water outlet is in high-end, helps discharging in backwash process spot like this, improves developing result.Multifunctional water pump control valve for automatic pollution discharge of the present invention, simple and compact for structure, assembling and easy to maintenance and have higher-security and a reliability, it can be according to the starting of pump station requirement, automatically realizes after controllable slow the opening the process of standard-sized sheet again, avoids producing and drives the valve water hammer.Equally, when closing, also can automatically realize closing soon with the two-stage of Slow Close and close closed procedure, avoid occurring the pump-stopping water hammer phenomenon, can protect the safety of water pump, motor and pipeline well according to the flow condition of medium; Multifunctional water pump control valve for automatic pollution discharge simultaneously of the present invention adopts split-type structural, can not shut down and support on-line maintenance or replacing all component except that valve body 1.

Backwash principle when below in conjunction with Fig. 1 the multifunctional water pump control valve for automatic pollution discharge of present embodiment being in out valve original state, running state and close valve state elaborates respectively.

When multifunctional water pump control valve for automatic pollution discharge is in out the valve original state, import 11 places of valve body 1 are anhydrous or hydraulic pressure is lower, and it is higher to export 12 place's hydraulic pressure, and therefore after 41 conductings of first mortor operated valve, the current in the waterexit end pilot line 3 can flow into feed-water end pilot line 2.Control box 40 is after first mortor operated valve 41 sends open command, first mortor operated valve 41 is on state, the service valve 10 of press water in waterexit end pilot line 3 that exports 12 places flows to the second low in and high out filter 8, after the second low in and high out filter 8 filters, change clear water into and divide two-way output, one the tunnel enters control chamber epicoele 15, another road enters first mortor operated valve 41 and divides two-way output once more from first mortor operated valve 41, wherein one the tunnel enter control chamber cavity of resorption 16 through safety check 6, another road enters the first low in and high out filter 7, and with the opposite direction of normal water inlet and outlet it is washed, make the service valve 10 of spot in feed-water end pilot line 2 that is deposited in the first low in and high out filter, 7 low sides be disposed to import 11 places of valve body 1.After the backwash action through set time, first mortor operated valve 41 obtains instruction and cuts out automatically, and this moment, multifunctional water pump control valve for automatic pollution discharge of the present invention began to start and put into operation.In this process, though the clear water of multifunctional water pump control valve waterexit end pilot line 3 outputs has entered control chamber epicoele 15 and control chamber cavity of resorption 16 simultaneously, but the hydraulic pressure in the control chamber cavity of resorption 16 is not enough to the back pressure of Balance Control chamber epicoele 15, diaphragm 17, valve board assembly 14, the deadweight sum of valve board assembly 14, therefore, can not cause valve board assembly 14 to be opened.

When multifunctional water pump control valve for automatic pollution discharge was in running state, import 11 place's hydraulic pressure of valve body 1 were greater than outlet 12 place's hydraulic pressure, and therefore after 41 conductings of first mortor operated valve, the current in the feed-water end pilot line 2 can flow into waterexit end pilot line 3.Control box 40 sends the opening and closing instruction according to the predefined time to first mortor operated valve 41, after being unlocked, first mortor operated valve 41 is on state, the service valve 10 of the press water at import 11 places in feed-water end pilot line 2 flows to the first low in and high out filter 7, after the first low in and high out filter 7 filters, change clear water into and divide two-way output, wherein one the tunnel enter control chamber cavity of resorption 16 through safety check 6, another road enters first mortor operated valve 41 and divides two-way output once more from first mortor operated valve 41, one the tunnel enters control chamber epicoele 15, another road enters the second low in and high out filter 8, and with the opposite direction of normal water inlet and outlet it is washed, make the service valve 10 of spot in waterexit end pilot line 3 that is deposited in the second low in and high out filter, 8 low sides be disposed to outlet 12 places of valve body 1.After the backwash action through set time, first mortor operated valve 41 obtains instruction and cuts out automatically, and this moment, multifunctional water pump control valve for automatic pollution discharge reinstatement attitude of the present invention continued operation.In this process, utilize import 11 places of valve body 1 and the differential water pressures at outlet 12 places that the second low in and high out filter 8 is carried out backwash, this differential water pressures is kept valve board assembly 14 simultaneously and is kept the suspension opening state, therefore when the clear water of feed-water end pilot line 2 outputs enters control chamber epicoele 15 and control chamber cavity of resorption 16 simultaneously, the trend that diaphragm 17 moves downward can be subjected to the restriction of this differential water pressures, and backwashing time is shorter, so valve board assembly 14 is closed, the sustainable operation of multifunctional water pump control valve.

When multifunctional water pump control valve for automatic pollution discharge is in close valve state; water pump is shut down, and import 11 place's hydraulic pressure of valve body 1 descend, and export 12 place's hydraulic pressure greater than import 11 place's hydraulic pressure; therefore after 41 conductings of first mortor operated valve, the current in the waterexit end pilot line 3 can flow into feed-water end pilot line 2.Control box 40 is after first mortor operated valve 41 sends open command, first mortor operated valve 41 is on state, the service valve 10 of press water in waterexit end pilot line 3 that exports 12 places flows to the second low in and high out filter 8, after the second low in and high out filter 8 filters, change clear water into and divide two-way output, one the tunnel enters control chamber epicoele 15, another road enters first mortor operated valve 41 and divides two-way output once more from first mortor operated valve 41, wherein one the tunnel enter control chamber cavity of resorption 16 through safety check 6, another road enters the first low in and high out filter 7, and with the opposite direction of normal water inlet and outlet it is washed, make the service valve 10 of spot in feed-water end pilot line 2 that is deposited in the first low in and high out filter, 7 low sides be disposed to import 11 places of valve body 1.After the backwash action through set time, first mortor operated valve 41 obtains instruction and cuts out automatically, and the backwash process under the close valve state is finished.

Embodiment 2: as shown in Figure 2, multifunctional water pump control valve for automatic pollution discharge of the present invention, it is to be formed by connecting in regular turn by valve body 1, diaphragm seat 23 and valve gap 21, diaphragm seat 23 surrounds control chamber 5 with valve gap 21, valve body 1 surrounds valve insertion 13 with diaphragm seat 23, valve body 1 is provided with import 11 and the outlet 12 that communicates with valve insertion 13, be provided with the valve rod 22 that runs through control chamber 5 and valve insertion 13 in the valve body 1, valve rod 22 lower ends are provided with the valve board assembly 14 of control valve body 1 break-make, and valve rod 22 upper ends are provided with the diaphragm 17 that control chamber 5 is divided into control chamber epicoele 15 and control chamber cavity of resorption 16.The import 11 of valve body 1 is provided with the feed-water end pilot line 2 that is communicated with control chamber cavity of resorption 16, this feed-water end pilot line 2 is from import 11 to control chamber cavity of resorption 16 service valve 10 of connecting successively, the first low in and high out filter 7 and safety check 6, waterexit end pilot line 3 is from exporting 12 to control chamber 5 connect the successively service valve 10 and the second low in and high out filter 8, be connected with self-cleaning control unit 4 between feed-water end pilot line 2 and the waterexit end pilot line 3, self-cleaning control unit 4 comprises first mortor operated valve 41 and control box 40, control box 40 is connected with first mortor operated valve 41, first mortor operated valve, 41 1 ends are connected between the first low in and high out filter 7 and the safety check 6, and the other end is connected between the second low in and high out filter 8 and the control chamber epicoele 15.First mortor operated valve 41 can be selected electric ball valve or Solenoid ball valve for use, selects electric ball valve in the present embodiment for use, and by control box 40 control break-makes.Waterexit end pilot line 3 is provided with second mortor operated valve, 9, the second mortor operated valves, 9 one ends that are connected with control box 40 and is connected between the second low in and high out filter 8 and the outlet 12, and the other end communicates with the external world.The first low in and high out filter 7 in the present embodiment is identical with the second low in and high out filter, 8 structures, specifically as shown in Figure 3, both include filter body 18, filter screen 19 and strainer cover 20, filter screen 19 is fixed in middle part in the filter body 18 by strainer cover 20, filter screen 19 belows are the water intake of low in and high out filter, and filter screen 19 tops are the water outlet of low in and high out filter.When being installed to the low in and high out filter in this feed-water end pilot line 2 or the waterexit end pilot line 3, the water inlet of low in and high out filter is in low side, and water outlet is in high-end, helps discharging in backwash process spot like this, improves developing result.Multifunctional water pump control valve for automatic pollution discharge of the present invention, simple and compact for structure, assembling and easy to maintenance and have higher-security and a reliability, it can be according to the starting of pump station requirement, automatically realizes after controllable slow the opening the process of standard-sized sheet again, avoids producing and drives the valve water hammer.Equally, when closing, also can automatically realize closing soon with the two-stage of Slow Close and close closed procedure, avoid occurring the pump-stopping water hammer phenomenon, can protect the safety of water pump, motor and pipeline well according to the flow condition of medium; Multifunctional water pump control valve for automatic pollution discharge simultaneously of the present invention adopts split-type structural, can not shut down and support on-line maintenance or replacing all component except that valve body 1.

In the present embodiment, the backwash principle when multifunctional water pump control valve for automatic pollution discharge is in out the valve original state with close valve state is identical with embodiment 1, does not repeat them here; And that the backwash principle when being in running state is compared with embodiment 1 is slightly different, and the backwash principle when below in conjunction with Fig. 2 the multifunctional water pump control valve for automatic pollution discharge of present embodiment being in running state elaborates.

When multifunctional water pump control valve for automatic pollution discharge was in running state, import 11 place's hydraulic pressure of valve body 1 were greater than outlet 12 place's hydraulic pressure, and therefore after 41 conductings of first mortor operated valve, the current in the feed-water end pilot line 2 can flow into waterexit end pilot line 3.Control box 40 sends the opening and closing instruction according to the predefined time simultaneously to first mortor operated valve 41 and second mortor operated valve 9, after being unlocked, first mortor operated valve 41 and second mortor operated valve 9 be on state, the service valve 10 of the press water at import 11 places in feed-water end pilot line 2 flows to the first low in and high out filter 7, after the first low in and high out filter 7 filters, change clear water into and divide two-way output, wherein one the tunnel enter control chamber cavity of resorption 16 through safety check 6, another road enters first mortor operated valve 41 and divides two-way output once more from first mortor operated valve 41, one the tunnel enters control chamber epicoele 15, another road enters the second low in and high out filter 8, and with the opposite direction of normal water inlet and outlet it is washed, the spot that is deposited in the second low in and high out filter, 8 low sides is directly discharged to the external world through second mortor operated valve 9.After the backwash action through set time, first mortor operated valve 41 and second mortor operated valve 9 obtain instruction and close automatically, and this moment, multifunctional water pump control valve for automatic pollution discharge reinstatement attitude of the present invention continued operation.In this process, utilize import 11 places of valve body 1 and the differential water pressures at outlet 12 places that the second low in and high out filter 8 is carried out backwash, this differential water pressures is kept valve board assembly 14 simultaneously and is kept the suspension opening state, therefore when the clear water of feed-water end pilot line 2 outputs enters control chamber epicoele 15 and control chamber cavity of resorption 16 simultaneously, the trend that diaphragm 17 moves downward can be subjected to the restriction of this differential water pressures, and backwashing time is shorter, so valve board assembly 14 is closed, the sustainable operation of multifunctional water pump control valve.

The backwashing time of multifunctional water pump control valve for automatic pollution discharge of the present invention and backwash all can be controlled and set blanking time by control box 40, backwashing time is shorter usually, generally can be set in 5 minutes, backwash is then longer relatively blanking time, generally can set flexibly, also can after trial run a period of time, adjust according to the quality of developing result according to the water quality situation.First mortor operated valve 41 and second mortor operated valve 9 can be electric ball valve in the multifunctional water pump control valve for automatic pollution discharge of the present invention, also can be Solenoid ball valve, and this type of conversion all should be considered as the replacement that is equal to of the present invention, all should drop within protection scope of the present invention.

Claims

1. multifunctional water pump control valve for automatic pollution discharge, comprise valve body (1) and control chamber (5), the import (11) of described valve body (1) and outlet (12) are respectively equipped with feed-water end pilot line (2) and the waterexit end pilot line (3) that is communicated with control chamber (5), described feed-water end pilot line (2) is from import (11) to control chamber (5) connect the successively first low in and high out filter (7) and safety check (6), described waterexit end pilot line (3) is the series connection second low in and high out filter (8) from outlet (12) to control chamber (5), it is characterized in that: be connected with self-cleaning control unit (4) between feed-water end pilot line (2) and the waterexit end pilot line (3), described self-cleaning control unit (4) comprises first mortor operated valve (41) and control box (40), described control box (40) is connected with first mortor operated valve (41), described first mortor operated valve (41) one ends are connected between the first low in and high out filter (7) and the safety check (6), and the other end is connected between the second low in and high out filter (8) and the control chamber (5).

2. multifunctional water pump control valve for automatic pollution discharge according to claim 1, it is characterized in that: described waterexit end pilot line (3) is provided with second mortor operated valve (9) that is connected with control box (40), second mortor operated valve (9) one ends are connected between the second low in and high out filter (8) and the outlet (12), and the other end communicates with the external world.

3. multifunctional water pump control valve for automatic pollution discharge according to claim 1 and 2 is characterized in that: described first mortor operated valve (41) and second mortor operated valve (9) are electric ball valve or Solenoid ball valve.

4. multifunctional water pump control valve for automatic pollution discharge according to claim 1 and 2, it is characterized in that: the described first low in and high out filter (7) and the second low in and high out filter (8) include filter body (18), filter screen (19) and strainer cover (20), described filter screen (19) is fixed in the interior middle part of filter body (18) by strainer cover (20), filter screen (19) below is the water intake of low in and high out filter, and filter screen (19) top is the water outlet of low in and high out filter.

5. multifunctional water pump control valve for automatic pollution discharge according to claim 3, it is characterized in that: the described first low in and high out filter (7) and the second low in and high out filter (8) include filter body (18), filter screen (19) and strainer cover (20), described filter screen (19) is fixed in the interior middle part of filter body (18) by strainer cover (20), filter screen (19) below is the water intake of low in and high out filter, and filter screen (19) top is the water outlet of low in and high out filter.

6. multifunctional water pump control valve for automatic pollution discharge according to claim 5, it is characterized in that: be connected with service valve (10) between the described import (11) and the first low in and high out filter (7), be connected with service valve (10) between the described outlet (12) and the second low in and high out filter (8).