CN205730493U - A kind of back purge system of water treatment facilities - Google Patents
A kind of back purge system of water treatment facilities Download PDFInfo
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- CN205730493U CN205730493U CN201620445306.2U CN201620445306U CN205730493U CN 205730493 U CN205730493 U CN 205730493U CN 201620445306 U CN201620445306 U CN 201620445306U CN 205730493 U CN205730493 U CN 205730493U
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Abstract
The utility model discloses the back purge system of a kind of water treatment facilities, it mainly includes lauter tub and flusher, described flusher includes two-way valve head, described two-way valve head has water inlet and outlet, it is connected with upper water distributor inside water inlet, it is connected with central canal inside outlet, the electric T-shaped valve public port of water inlet is connected with the water inlet of two-way valve head, first end of the electric T-shaped valve of described water inlet is connected with original water inlet, second end of the electric T-shaped valve of described water inlet is connected with blow-off pipe, the electric T-shaped valve public port of described outlet is connected with the outlet of two-way valve head, first end of the electric T-shaped valve of described outlet is connected with pure water inlet, second end of the electric T-shaped valve of described outlet is by being connected with original water inlet communicating pipe.This utility model uses electric three-way valve combination unit, forms a backwash and controls device, and Water treatment filtration and backwash effect significantly improve, and stability and service life also can significantly extend.
Description
Technical field
This utility model relates to the technical field of water treatment facilities, the back purge system of a kind of water treatment facilities.
Background technology
Along with water treatment facilities and water process Drinking fountain constantly by people's accreditation, use extensively, further requirements at the higher level are proposed for product inherent quality, life-span, reliability.The technique of the backwash of the filter material that technological improvement water treatment technology, particularly water process is of crucial importance.
Backwash can rinse out the blocking material in filtrate, and reduces filter two ends pressure reduction, makes filtrate be regenerated, and recovers filter cleaning function.Backwash to have enough backwash rates and hydraulic pressure so that the filtering layer expansion rate after backwash reaches 40%～about 50%, just can make the abundant regeneration of filtrate.
Conventional back purge system has push-and-pull piston type autocontrol valve and two kinds of forms of potsherd rotary type autocontrol valve.The manufacture due to piston cylinder of the push-and-pull piston control valve and the restriction of fabrication process condition, the entery and delivery port in piston cylinder and the pointed state of sewage draining exit, piston push-and-pull campaign, during conversion water (flow) direction, easily sealing ring is cut, cause string water and drainage；Potsherd rotary type control valve has a fixing potsherd and a rotation potsherd, entery and delivery port and sewage draining exit are dispersed on a fixing potsherd, another rotates has tunnel, labyrinth on potsherd, by rotating potsherd, makes water (flow) direction change, the sealing force of two potsherd planes, it is the elastic force maintenance by rotating potsherd rubber compression pad behind, after using a period of time, due to ageing of rubber, elastic force declines, and also can produce string water and drainage.Both control valves are in use, it is desirable to regularly, make regular check on and change sealing ring or rubber compression pad.Owing to control valve is mounted on lauter tub; limited by mounting condition; it is smaller that entery and delivery port and sewage draining exit do; when backwash, backwash rate and hydraulic pressure are by extreme influence; filtering layer expansion rate after backwash only has 20%～about 30%; backwash rear impurity can not all drain, and the situation that filtrate also can not get fully regenerating often occurs.
Summary of the invention
The purpose of this utility model is the technical deficiency overcoming the autocontrol valve of existing use to exist, it is provided that the back purge system of a kind of water treatment facilities not only solving string water and the phenomenon leaked but also having enough backwash rates and hydraulic pressure.
To achieve these goals, the technical solution of the utility model is: the back purge system of a kind of water treatment facilities, it mainly includes lauter tub and flusher, described lauter tub includes central canal, lower water-dispensing device and upper water distributor, described central canal bottom is connected with lower water-dispensing device, and described upper water distributor is enclosed within the upper outer of central canal；Described flusher includes two-way valve head, described two-way valve head has water inlet and outlet, it is connected with upper water distributor inside water inlet, it is connected with central canal inside outlet, the water inlet of described two-way valve head and outlet respectively install an electric T-shaped valve, the electric T-shaped valve public port of described water inlet is connected with the water inlet of two-way valve head, first end of the electric T-shaped valve of described water inlet is connected with original water inlet, second end of the electric T-shaped valve of described water inlet is connected with blow-off pipe, the electric T-shaped valve public port of described outlet is connected with the outlet of two-way valve head, first end of the electric T-shaped valve of described outlet is connected with pure water inlet, second end of the electric T-shaped valve of described outlet is by being connected with original water inlet communicating pipe.
When carrying out filtering work, the first end of electric T-shaped valve and public port communicate, and the second end and public port are obstructed.Former water electric T-shaped valve the first end from water inlet one end enters, after water inlet by two-way valve head, former water enters the top of lauter tub from upper water distributor, under the effect of hydraulic pressure, former water is filtered through filter material, water purification after filtration extrudes from lower water-dispensing device again, and the outlet flowing through two-way valve head enters the electric T-shaped valve public port of outlet one end, and water purification exits into next stage from the first end again and filters.
When backwash works, electric T-shaped valve the second end and public port communicate, and the first end and public port are obstructed.Former water is from the electric T-shaped valve flowing to outlet one end communicating pipe, electric T-shaped valve the second end from outlet one end enters, former water enters central canal by the outlet of two-way valve head, lower water-dispensing device by central canal bottom, under the effect of hydraulic pressure, former water rushes from lower to upper so that filter material floats, rolling, to originally filter the impurity being retained down and flow to from upper water distributor together with former water the electric T-shaped valve public port of intake-outlet one end, then discharge from the second end.
Preferably, described electric T-shaped valve uses floating-type seal structure, and its spheroid can float.
Preferably, described electric T-shaped valve is float ball valve, described float ball valve includes valve seat, described valve seat is provided with the first end port, second end port and common port port, the axis of the first end port and the axis of the second end port are positioned at same straight line, the axis of common port port and the first end port and the axis perpendicular of the second end port, valve seat and the first end port, it is provided with valve seat insert in second end port junction, valve seat insert and the first end port, it is additionally provided with butterfly spring between second end port, a spheroid it is provided with in valve seat, described spheroid selectively blocks the first end port or the second end port.
Owing to the bore of electric T-shaped valve is close with pipeline, water resistance is less, and backwash has enough backwash rates and hydraulic pressure so that the filtering layer expansion rate after backwash reaches 40%～about 50%, makes filtrate fully be regenerated.
Use back purge system of the present utility model, control easy, easy for installation, water flux big, significant increase backwash effect and stability, also can significantly extend service life.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram under this utility model use state.
Fig. 2 is the operation principle schematic diagram under this utility model backwash state.
Fig. 3 is this utility model electric T-shaped valve appearance schematic diagram.
Fig. 4 is the filtration condition position view of electric T-shaped valve.
Fig. 5 is the backwash state position schematic diagram of electric T-shaped valve.
Fig. 6 is electric T-shaped valve floating-type seal structure schematic diagram.
Detailed description of the invention
The utility model will be further described with embodiment below in conjunction with the accompanying drawings.
Label in each accompanying drawing is expressed as follows:
Lauter tub 1, central canal 2, lower water-dispensing device 3, upper water distributor 4, pure water inlet 5, electric T-shaped valve 6, two-way valve head 7, communicating pipe 8, original water inlet 9, blow-off pipe 10, sewage draining exit 11, public port the 21, first end port the 22, second end port 23, spheroid 24, sealing ring 25, butterfly spring 26, two-way valve head water inlet 31, two-way valve head outlet 32.
The back purge system of a kind of water treatment facilities described in the utility model, it mainly includes lauter tub 1 and flusher, its difference with the prior art is: lauter tub 1 includes central canal 2, lower water-dispensing device 3 and upper water distributor 4, described central canal 2 bottom is connected with lower water-dispensing device 3, and described upper water distributor 4 is enclosed within the upper outer of central canal 2；Described flusher includes two-way valve head 7, electric T-shaped valve 6, communicating pipe 8, and described two-way valve head 7 has water inlet 31 and outlet 32, and water inlet 31 is internal to be connected with upper water distributor 4, and outlet 32 is internal to be connected with central canal 2.
Preferably, the water inlet 31 of described two-way valve head 7 and outlet 32 respectively install an electric T-shaped valve 6, and described electric T-shaped valve 6 public port 21 is connected with water inlet 31 and the outlet 32 of two-way valve head 7 respectively.
The electric T-shaped valve 6 of described Yuan Shui side, second end port 23 of lower section connects blow-off pipe 10, first end port 22 of top was connected with original water inlet 9 and communicating pipe 8, the other end of communicating pipe 8 is connected on the second end port 23 above the electric T-shaped valve 6 of water purification side, and below the electric T-shaped valve 6 of water purification side, the first end port 22 leads to pure water inlet 5.
In enforcement, as it is shown in figure 1, when carrying out filtering work, electric T-shaped valve 6 first end port 22 and public port 21 communicate, and the second end port 23 and public port 21 are obstructed.Former water enters in pipeline from original water inlet 9, owing to the second end port 23 and public port 21 are obstructed, former water can only enter from the electric T-shaped valve 6 first end port 22 of water inlet one end, flow out from public port 21, enter two-way valve head water inlet 31, enter the top of lauter tub 1 again from upper water distributor 4, under the effect of hydraulic pressure, former water is filtered through filter material.Water purification after filtration enters central canal 2 from lower water-dispensing device 3, then enters the electric T-shaped valve 6 of water purification side after two-way valve head outlet 32.Owing to the second end port 23 and public port 21 are obstructed, water purification can only enter from the electric T-shaped valve 6 first end port 22 of water purification side, flows out to pure water inlet 5 from public port 21, enters next stage and filters.
As in figure 2 it is shown, when backwash works, electric T-shaped valve 6 first end port 22 and public port 21 are obstructed, the second end port 23 and public port 21 communicate.Former water enters in pipeline from original water inlet 9, owing to the first end port 22 of electric T-shaped valve 6 and the public port 21 of water inlet one end are obstructed, former water can only enter from the second end port 23 of the electric T-shaped valve 6 of water purification side by after communicating pipe 8, owing to the first end port 22 and public port 21 are obstructed, former water will not flow out to pure water inlet 5 from the first end port 22, can only flow out from public port 21, the former water flowed out enters two-way valve head outlet 32, then enters the bottom of lauter tub 1 from central canal 2, lower water-dispensing device 3.Under the effect of hydraulic pressure, former water rushes from lower to upper, filter material is floated, rolls, to originally filter the public port 21 that the impurity being retained down arrives the electric T-shaped valve 6 of water inlet one end together with former water after upper water distributor 4 flows through two-way valve head water inlet 31, communicate due to the second end port 23 and public port 21 again, so the sewage after backwash discharges from sewage draining exit 11 by after blow-off pipe 10.Owing to the bore of electric T-shaped valve 6 is close with pipeline, water resistance is less, and backwash has enough backwash rates and hydraulic pressure so that the filtering layer expansion rate after backwash reaches 40%～about 50%, makes filtrate fully be regenerated.
In enforcement, as it is shown on figure 3, be the appearance schematic diagram of electric T-shaped valve 6.When carrying out filtering work, as shown in Figure 4, the first end port 22 and public port 21 communicate spheroid 24 position in electric T-shaped valve 6, and the second end port 23 is obstructed with public port the 21, first end port 22.When backwash works, spheroid 24 rotates clockwise 90 degree, and spheroid 24 position in electric T-shaped valve 6 is as it is shown in figure 5, the second end port 23 and public port 21 communicate, and the first end port 22 is obstructed with public port the 21, second end port 23.
Preferably, described electric T-shaped valve 6 uses floating-type seal structure, and its spheroid 24 can float.
Further, described electric T-shaped valve 6 is float ball valve, and its spheroid 24 can float.It is forced on the sealing ring 25 of outlet side at effect of water pressure lower sphere 24 so that it is seal, this structure single-side sealing, good seal performance.
As shown in Figure 6, the position of described spheroid 24 makes the first end port 22 and public port 21 communicate, when second end port 23 is obstructed with public port the 21, first end port 22, hydraulic pressure suffered by spheroid 24 is more than the hydraulic pressure of the first end port 22, make the spheroid 24 can be along the most certain displacement of centre of sphere axis and be pressed on the valve seat insert 25 of the second end port 23, it is ensured that the second end port 23 seals.Reliably seal in view of sealing ring 25, and can decay after pretightning force life-time service, the sealing structure using butterfly spring 26 to load, can ensure that ball valve sealing reliably and with long-term.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert that this utility model is embodied as being confined to these explanations above-mentioned.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. a back purge system for water treatment facilities, it mainly includes that lauter tub and flusher, described lauter tub include that central canal, lower water-dispensing device and upper water distributor, described central canal bottom are connected with lower water-dispensing device, and described upper water distributor is enclosed within the upper outer of central canal；Described flusher includes two-way valve head, described two-way valve head has water inlet and outlet, it is connected with upper water distributor inside water inlet, it is connected with central canal inside outlet, the water inlet of described two-way valve head and outlet respectively install an electric T-shaped valve, the electric T-shaped valve public port of described water inlet is connected with the water inlet of two-way valve head, first end of the electric T-shaped valve of described water inlet is connected with original water inlet, second end of the electric T-shaped valve of described water inlet is connected with blow-off pipe, the electric T-shaped valve public port of described outlet is connected with the outlet of two-way valve head, first end of the electric T-shaped valve of described outlet is connected with pure water inlet, second end of the electric T-shaped valve of described outlet is by being connected with original water inlet communicating pipe.
2. the back purge system of a kind of water treatment facilities as described in claim 1, it is characterised in that described electric T-shaped valve uses floating-type seal structure.
3. the back purge system of a kind of water treatment facilities as described in claim 1, it is characterized in that described electric T-shaped valve is float ball valve, described float ball valve includes valve seat, described valve seat is provided with the first end port, second end port and common port port, the axis of the first end port and the axis of the second end port are positioned at same straight line, the axis of common port port and the first end port and the axis perpendicular of the second end port, valve seat and the first end port, it is provided with valve seat insert in second end port junction, valve seat insert and the first end port, it is additionally provided with butterfly spring between second end port, a spheroid it is provided with in valve seat, described spheroid selectively blocks the first end port or the second end port.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445306.2U CN205730493U (en) | 2016-05-17 | 2016-05-17 | A kind of back purge system of water treatment facilities |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620445306.2U CN205730493U (en) | 2016-05-17 | 2016-05-17 | A kind of back purge system of water treatment facilities |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975355A (en) * | 2019-11-12 | 2020-04-10 | 湛江水财童净水设备有限公司 | Rotary multi-medium processor |
| CN111804048A (en) * | 2020-07-16 | 2020-10-23 | 凡尔机械集团有限公司 | Automatic back-flushing liquid-returning filtering station |
| CN112169437A (en) * | 2020-09-26 | 2021-01-05 | 中建三局第一建设工程有限责任公司 | Automatic car washing water filtering system and method |
-
2016
- 2016-05-17 CN CN201620445306.2U patent/CN205730493U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975355A (en) * | 2019-11-12 | 2020-04-10 | 湛江水财童净水设备有限公司 | Rotary multi-medium processor |
| CN111804048A (en) * | 2020-07-16 | 2020-10-23 | 凡尔机械集团有限公司 | Automatic back-flushing liquid-returning filtering station |
| CN112169437A (en) * | 2020-09-26 | 2021-01-05 | 中建三局第一建设工程有限责任公司 | Automatic car washing water filtering system and method |
| CN112169437B (en) * | 2020-09-26 | 2022-12-09 | 中建三局第一建设(四川)有限责任公司 | Automatic filtering system and method for car washing water |
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