CN204093157U - One is automatically exempted to tear open and is rinsed water filter system - Google Patents
One is automatically exempted to tear open and is rinsed water filter system Download PDFInfo
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- CN204093157U CN204093157U CN201420532319.4U CN201420532319U CN204093157U CN 204093157 U CN204093157 U CN 204093157U CN 201420532319 U CN201420532319 U CN 201420532319U CN 204093157 U CN204093157 U CN 204093157U
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Abstract
The utility model proposes one automatically to exempt to tear flushing water filter system open.Comprise: the water filter be connected with water inlet pipe, outlet pipe and sewage pipe respectively, wherein outlet pipe connects its first mouth of pipe A, and water inlet pipe connects its second mouth of pipe B, and sewage pipe connects its 3rd mouth of pipe C; Be installed on the filter cylinder motor of water filter; The electro connecting pressure gauge be connected with water inlet pipe and outlet pipe respectively; Electric butterfly valve, one end is connected with water inlet pipe, and the other end is connected with outlet pipe, is in closed condition; Electric butterfly valve, one end is connected with the first mouth of pipe A of water filter, and the other end is connected with outlet pipe, is in open mode; Respectively with the comparator of described electric contact pressure list catenation, when pressure differential is greater than predetermined threshold value, send triggering signal to described electric butterfly valve and motor; Wherein electric butterfly valve is in open mode after receiving triggering signal; Electric butterfly valve is in closed condition after receiving triggering signal; Motor is in operating condition after receiving triggering signal.
Description
Technical field
The utility model relates to cooling technology field, more specifically, relates to one and automatically exempts to tear flushing water filter system open.
Background technology
Water filter is a class of filter plant, and in order to isolate various impurity from water body, improve water body purity, the product of proterctive equipment trouble free service, mainly contains Manual water filter and electric water filter etc.Be widely used on the technical water supply pipeline of the industries such as power station, chemical industry, printing and dyeing, papermaking, the impurity in filtered water.Because the source of the Congjiang, river, lake, marine water intaking is different, so there is various impurity in water.When they be accumulated in water system to a certain degree and not remove time, flow area will be caused to reduce, finally produce blocking, causing time serious stop production shut down; Especially great threat is formed to safe operation.Therefore, it is necessary for water supply line arranging water filter.
As everyone knows, present water pollutions is serious, water quality corrosivity is large, and water filter water is direct again to be extracted from rivers, and the inside is mingled with the difficult rubbish decomposed such as polybag.On the one hand due to the effect of waterpower, these rubbish very easily enter differential pressure controller and small-bore pipeline thereof, make it block and misoperation, have a strong impact on its filter effect.More seriously, the polybag blocking or be pasted onto filter cylinder is pressed more firm and more firm under the effect of waterpower, and when wanting rotating filter cartridge, its motor will overcome very large water pressure, cause difficulty in starting, even causes the electrical hazard of burning motor; On the other hand due to the corrosiveness of water quality, the high differential pressure controller of cost often damages and scraps, and increases the weight of enterprise operation cost.
The utility model is just in order to solve the problem and in conjunction with the working practice of the author, based on the water filter of hydropower station unit design, configuration application and function, only need reequip the comparator that can send triggering signal and install pipeline and electric butterfly valve and control circuit thereof additional, by opening or close corresponding butterfly valve and rotating filter cartridge realizes automatically exempting to tear flushing open, thus reach more economical and practical automation application technology.
Utility model content
The utility model embodiment proposes one and automatically exempts to tear flushing water filter system open, exempts from dismounting and can realize rinsing water filter.
The technical scheme of the utility model embodiment is as follows:
One is automatically exempted to tear open and is rinsed water filter system, comprising:
The water filter (1) be connected with outlet pipe with water inlet pipe respectively, wherein the first mouth of pipe A of water filter (1) connects outlet pipe, second mouth of pipe B of water filter (1) connects water inlet pipe, and the 3rd mouth of pipe C of water filter (1) connects sewage pipe;
Be installed on the filter cylinder motor (5) of water filter;
The electro connecting pressure gauge (2) be connected with water inlet pipe;
The electro connecting pressure gauge (3) be connected with outlet pipe;
First electric butterfly valve (102), one end is connected with water inlet pipe, and the other end is connected with outlet pipe, and described electric butterfly valve is in closed condition;
Second electric butterfly valve (103), one end is connected with the first mouth of pipe A of water filter, and the other end is connected with outlet pipe, and described electric butterfly valve is in open mode;
The comparator (4) be connected with electro connecting pressure gauge (2) and electro connecting pressure gauge (3) respectively, poor with the pressure reading of electro connecting pressure gauge (3) for calculating electro connecting pressure gauge (2), when described pressure reading difference is greater than predetermined threshold value, send triggering signal to the first electric butterfly valve (102), the second electric butterfly valve (103) and filter cylinder motor (5);
First electric butterfly valve (102) is in open mode after receiving described triggering signal, and water inlet pipe is in connected state via the first electric butterfly valve (102) and the first mouth of pipe A of water filter (1);
Second electric butterfly valve (103) is in closed condition after receiving described triggering signal, and outlet pipe is in closed condition via the second electric butterfly valve (103) and the first mouth of pipe A of water filter (1);
Filter cylinder motor (5) is in operating condition after receiving triggering signal;
The air filter hydrophone that described water filter (1) is generating set or oily water filter.
Also comprise the stop valve (101) be connected with water inlet pipe and the stop valve (105) be connected with sewage pipe;
Also comprise the 3rd electric butterfly valve (104), wherein the 3rd electric butterfly valve (104) one end is connected with the 3rd mouth of pipe C of water filter, and the other end is connected with sewage pipe.And the 3rd electric butterfly valve (104) is in open mode after receiving described triggering signal, sewage pipe is in connected state via the 3rd electric butterfly valve (104) and the 3rd mouth of pipe C of water filter (1).
As can be seen from technique scheme, automatically exempt to tear flushing water filter system open to comprise: the water filter (1) be connected with water inlet pipe, outlet pipe and blow-off pipe respectively, wherein the first mouth of pipe A of water filter (1) connects outlet pipe, second mouth of pipe B of water filter (1) connects water inlet pipe, and the 3rd mouth of pipe C of water filter (1) connects sewage pipe; Be installed on the filter cylinder motor (5) of water filter; The electro connecting pressure gauge (2) be connected with water inlet pipe; The electro connecting pressure gauge (3) be connected with outlet pipe; First electric butterfly valve (102), one end is connected with water inlet pipe, and the other end is connected with outlet pipe, is in closed condition; 3rd electric butterfly valve (104), one end is connected with the 3rd mouth of pipe C of water filter, and the other end is connected with sewage pipe, is in closed condition; Second electric butterfly valve (103) one end is connected with the first mouth of pipe A of water filter, and the other end is connected with outlet pipe, is in open mode; Respectively with the comparator of electro connecting pressure gauge and electric contact pressure list catenation, pressure reading for calculating electro connecting pressure gauge and electro connecting pressure gauge is poor, when pressure reading difference is greater than predetermined threshold value, send triggering signal to the first electric butterfly valve (102), the second electric butterfly valve (103), the 3rd electric butterfly valve (104) and filter cylinder motor (5); First electric butterfly valve (102) is in open mode after receiving triggering signal; 3rd electric butterfly valve (104) is in open mode after receiving triggering signal; Second electric butterfly valve (103) is in closed condition after receiving described triggering signal; Filter cylinder motor (5) is in operating condition after receiving triggering signal.
The utility model can realize to water filter automatically exempt from tear flushing open.And the utility model utilizes former cooling line, only need simple and easy repacking can send the comparator of triggering signal and install pipeline and electric butterfly valve and control circuit thereof additional, by opening or close corresponding butterfly valve and rotating filter cartridge realizes automatically exempting to tear flushing open.Feature of the present utility model is economical, simple and actual effect, and largest benefit is " economy ".Without the need to loaded down with trivial details dismounting, both do not shut down, not waste of manpower and financial resources again.Be applicable to various types of water filter, particularly carry the water filter rinsing filter cylinder.Certainly, do not allow the water filter of dismounting particularly applicable in operation, as air filter hydrophone and the oily water filter of generating set, etc.
Accompanying drawing explanation
Fig. 1 rinses water filter system construction drawing for automatically exempting from according to the utility model to tear open;
Fig. 2 is according to the utility model electric control circuit figure.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model utilizes former cooling line, only needs simple and easy repacking can send the comparator of triggering signal and install pipeline and electric butterfly valve and control circuit thereof additional, by opening or close corresponding butterfly valve and rotating filter cartridge realizes automatically exempting to tear flushing open.Feature of the present utility model is economical, simple and actual effect, and largest benefit is " economy ".Without the need to loaded down with trivial details dismounting, both do not shut down, not waste of manpower and financial resources again.Be applicable to various types of water filter, particularly carry the water filter rinsing filter cylinder.Certainly, do not allow the water filter of dismounting particularly applicable in operation, as air filter hydrophone and the oily water filter of generating set, etc.
Fig. 1 rinses water filter system construction drawing for automatically exempting from according to the utility model to tear open.
As shown in Figure 1, of the present utility model automatically exempt to tear open rinse water filter system and comprise:
The water filter (1) be connected with outlet pipe with water inlet pipe respectively, wherein the first mouth of pipe AA of water filter (1) connects outlet pipe, second mouth of pipe B of water filter (1) connects water inlet pipe, and the 3rd mouth of pipe C of water filter (1) connects sewage pipe; Water inlet pipe realizes water inlet by technical water supply water, and outlet pipe realizes water outlet by outlet; Sewer realizes blowdown water outlet by sewage pipe.
This system also comprises the electro connecting pressure gauge (2) be connected with water inlet pipe and the electro connecting pressure gauge (3) be connected with outlet pipe.Electro connecting pressure gauge (2) can measure the water inlet pipe hydraulic pressure drawing tie point place, and electro connecting pressure gauge (3) can measure the outlet pipe hydraulic pressure drawing tie point place.
Particularly, electro connecting pressure gauge is widely used in the industrial departments such as oil, chemical industry, metallurgy, power station, machinery or the supporting middle various fluid medium pressures measured without explosion danger of electromechanical equipment.Usually, electro connecting pressure gauge, through supporting the use with corresponding electric device (as relay and frequency converter etc.), can realize through instrument the object automatically controlling and transmit (warning) to the various gas of tested (control) pressure and liquid medium.Electro connecting pressure gauge can help electric contact set, shell, adjusting device and terminal box (connector assembly) etc. to form by measuring system, indication mechanism, magnetic.Electro connecting pressure gauge based on the bourdon tube in measuring system under the pressure effect of measured medium, the end of bourdon tube is forced to produce corresponding elastic deformation and displacement, give amplification by pull bar through the transmission of gear drive, to be indicated on scale by by measured value by the instruction (together with contact) on fixed gear.Meanwhile, when it to contact the instantaneous of (dynamic circuit breaker or dynamic circuit connector) with the contact (upper limit or lower limit) on setting pointer, the circuit in control system is caused to be disconnected or connect, to reach the object automatically controlling and transmit warning.And relative to differential pressure controller, electro connecting pressure gauge is dirt cheap.
This system also comprises:
Be installed on the filter cylinder motor (5) of water filter; First electric butterfly valve (102), one end is connected with water inlet pipe, and the other end is connected with outlet pipe, is in closed condition; Second electric butterfly valve (103) one end is connected with the first mouth of pipe A of water filter, and the other end is connected with outlet pipe, is in open mode; 3rd electric butterfly valve (104), one end is connected with the 3rd mouth of pipe C of water filter, and the other end is connected with sewage pipe, is in closed condition; Respectively with the comparator (4) of electro connecting pressure gauge and electric contact pressure list catenation, pressure reading for calculating electro connecting pressure gauge and electro connecting pressure gauge is poor, when pressure reading difference is greater than predetermined threshold value, send triggering signal to the first electric butterfly valve (102), the second electric butterfly valve (103), the 3rd electric butterfly valve (104) and filter cylinder motor (5); First electric butterfly valve (102) is in open mode after receiving triggering signal; Second electric butterfly valve (103) is in closed condition after receiving triggering signal; 3rd electric butterfly valve (104) is in open mode after receiving triggering signal; Filter cylinder motor (5) is in operating condition after receiving triggering signal.
In one embodiment:
Water filter can be specifically embodied as the air filter hydrophone of generating set or oily water filter, etc.Below the instantiation of water filter is enumerated in detail.It will be appreciated by those of skill in the art that this enumerating is only exemplary, in fact water filter goes for the water filter of any type, is particularly useful for the water filter not allowing dismounting.
In one embodiment, the stop valve (101) be connected with water inlet pipe and the stop valve (105) be connected with outlet pipe is also comprised.By this stop valve, can open or close into water and exhalant canal.
Particularly, when water filter (1) entrance or export blocked or after being pasted with polybag, water filter entrance and exit will mineralization pressure poor.The hydraulic pressure of porch can be measured by electro connecting pressure gauge (2), the hydraulic pressure in exit can be measured by electro connecting pressure gauge (3), when difference between the hydraulic pressure and the hydraulic pressure in exit of porch reaches the threshold value preset, then assert that water filter is blocked, then can perform and automatically exempt to tear flushing process open.
When difference between the hydraulic pressure and the hydraulic pressure in exit of porch does not reach the threshold value preset, water filter (1) normally runs, and now the path of technical water supply is: " the first mouth of pipe A-→ the second electric butterfly valve (103)-→ stop valve (105)-→ technical water supply water outlet (now the first electric butterfly valve (102) and the 3rd electric butterfly valve (104) are in closed condition) of the second mouth of pipe B-→ water filter (1)-→ water filter (1) of technical water supply water inlet-→ stop valve (101)-→ water filter (1) ".
When difference between the hydraulic pressure and the hydraulic pressure in exit of porch reaches the threshold value preset, water filter (1) performs and automatically exempts to tear flushing process open, and now the path of technical water supply has two simultaneously, respectively:
Article 1: " the 3rd mouth of pipe C-→ the three electric butterfly valve (104)-→ stop valve (105) of technical water supply water-→ stop valve (101)-→ water filter (1) second mouth of pipe B-→ water filter (1)-→ water filter (1)-→ drain into tail water ", now the second electric butterfly valve (103) is in closed condition;
Article 2: " the 3rd mouth of pipe C-→ the three electric butterfly valve (104)-→ stop valve (105) of the first mouth of pipe A of technical water supply water-→ stop valve (101)-→ the first electric butterfly valve (102)-→ water filter (1) and-→ water filter (1)-→ water filter (1)-→ drain into tail water ", now the second electric butterfly valve (103) is also in closed condition.
Obviously, these two water supply paths make the water inlet of water filter substantially the same with the hydraulic pressure of delivery port, so just solve the problem that the differential water pressures of the water filter flushing advance mouth of a river and delivery port is large well, ensure that filter cylinder motor can easily start, avoid burning motor; And the time delay command through setting, delayed startup filter cylinder motor, so water filter just can rinse completely under the acting in conjunction of operate filter cylinder and technical water supply.
In the utility model, the function of comparator 4 can be implemented in several ways.Or simple electro connecting pressure gauge wiring can be adopted to realize pressure comparing function, and save comparator, these are all feasible.
Fig. 2 is according to the utility model electric control circuit figure.In the example of figure 2, do not adopt comparator, but realize pressure comparing function by electro connecting pressure gauge wiring.
Illustrate the cut-away drawing that electric butterfly valve is opened or closed loop circuit in fig 2, the first electric butterfly valve (102) wherein in accompanying drawing 1, the second electric butterfly valve (103) are identical with the cut-away drawing of the 3rd electric butterfly valve (104).
In like manner, for each electric butterfly valve, outlet auxiliary reclay normal opened contact 1ZJ2,1ZJ3,5ZJ1 of electric butterfly valve and outlet auxiliary reclay normal opened contact 2ZJ1,4ZJ1,4ZJ2 of closedown electric butterfly valve is opened in representative.Wherein:
Auxiliary reclay 1ZJ is unlatching first electric butterfly valve (102) and the 3rd electric butterfly valve (104), and its outlet normal opened contact is 1ZJ2 and 1ZJ3 respectively;
Auxiliary reclay 5ZJ is unlatching second electric butterfly valve (103), and its outlet normal opened contact is 5ZJ1;
Auxiliary reclay 2ZJ is closedown second electric butterfly valve (103), and its outlet normal opened contact is 2ZJ1;
Auxiliary reclay 4ZJ is closedown first electric butterfly valve (102) and the 3rd electric butterfly valve (104), and its outlet normal opened contact is 4ZJ1 and 4ZJ2 respectively;
Time relay 1SJ plays the effect of start-up time delay relay 2SJ and delayed startup filter cylinder motor, and its time-delay contact is 1SJ1;
Time relay 2SJ plays the timing effect that automatic delay function rinses process, and its time-delay contact is 2SJ1;
Auxiliary reclay 3ZJ plays the effect of automatically closing flushing process, and its outlet normally closed contact is 3ZJ1,3ZJ2 and 3ZJ3;
The pilot outlet normal opened contact 1ZJ1 of auxiliary reclay 1ZJ and auxiliary reclay 3ZJ pilot outlet normally closed contact 3ZJ2 connects, play the effect of locking auxiliary reclay 1ZJ, namely start electric contact P1 and P2 of rear short circuit electro connecting pressure gauge at 1ZJ, make it no longer by the interference of P1 and P2; In like manner, the pilot outlet normal opened contact 3ZJ4 of auxiliary reclay 3ZJ, plays the effect of locking auxiliary reclay 3ZJ, at this no longer repeated description;
DCF is standard-sized sheet or the complete shut-down travel switch of its corresponding electric butterfly valve;
D1 and D2 is its corresponding electric butterfly valve standard-sized sheet or complete shut-down indicator lamp respectively.
When water filter entrance is blocked or after being pasted with polybag, water filter entrance and exit will mineralization pressure poor.As can be seen from Figure 2, if change-over switch QK is allocated to " automatically " position, when pressure differential reaches a timing, this backwash design just can be started working automatically, first auxiliary reclay 1ZJ is started and locking through the upper limit contact of entrance electro connecting pressure gauge (2) and the lower limit contact of outlet electro connecting pressure gauge (3), then auxiliary reclay 2ZJ is started successively, time relay 1SJ, time relay 2SJ and A.C. contactor KM enters and automatically exempts to tear flushing process open, finally " open the first electric butterfly valve (102), open the timing closing auxiliary contact 2SJ-→ startup auxiliary reclay 3ZJ of the A.C. contactor KM-→ elapsed time relay 2SJ of the 3rd electric butterfly valve (104) and closedown the second electric butterfly valve (103)-→ start-up time delay relay 2SJ and delayed startup filter cylinder motor, 4ZJ and 5ZJ ", and pass through the normally closed auxiliary contact 3ZJ1 of auxiliary reclay 3ZJ, 3ZJ2 and 3ZJ3, stop whole auto-flushing process, namely " filter cylinder motor running is stopped, close the first electric butterfly valve (102), close the 3rd electric butterfly valve (104) and open the second electric butterfly valve (103) ", make whole auto-flushing end-of-job.
In like manner, also can manually make water filter complete whole automatically exempting to tear flushing process open if change-over switch QK is allocated to " manually " position, at this no longer repeated description.In cleaning procedure carries out, each electric butterfly valve all can have standard-sized sheet (D1) or complete shut-down (D2) indicator lamp by its position switch DCF, is convenient to remind staff to note.
Consider and automatically control there is situation about breaking down, the utility model has also added on-the-spot " automatically, manually, stopping " change-over switch QK and has manually booted flushing process button AN1, manually terminates the design of flushing process button AN2, namely press AN1 and just can manually boot flushing process, press AN2 and just can manually terminate flushing process; Manually opened electric butterfly valve button AN3 and manual-lock electric butterfly valve button AN4, namely presses AN3 and just can open corresponding electric butterfly valve, press AN4 and just can close corresponding electric butterfly valve, ensures to rinse working properly carrying out.
This utility model design, on the one hand, make use of hydraulically balanced principle well, open the first electric butterfly valve (102) and close the second electric butterfly valve (103), the differential water pressures of water filter inside is eliminated, avoid original because the rubbish blocking or be pasted onto filter cylinder causes filter cylinder motor start-up difficulty, even cause the thing of burning motor and occur; On the other hand, repacking can send the comparator of triggering signal, the electro connecting pressure gauge particularly mentioned in above-mentioned example, because its cost is low, structure is simple and easy for installation, not only solve differential pressure controller often to block and misoperation, have a strong impact on the problem of its filter effect, also solve the high and economic problems that cause enterprise operation cost high of differential pressure controller cost.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. automatically exempt to tear open and rinse a water filter system, it is characterized in that, comprising:
The water filter (1) be connected with outlet pipe with water inlet pipe respectively, wherein the first mouth of pipe A of water filter (1) connects outlet pipe, second mouth of pipe B of water filter (1) connects water inlet pipe, and the 3rd mouth of pipe C of water filter (1) connects sewage pipe;
Be installed on the filter cylinder motor (5) of water filter;
The electro connecting pressure gauge (2) be connected with water inlet pipe;
The electro connecting pressure gauge (3) be connected with outlet pipe;
First electric butterfly valve (102), one end is connected with water inlet pipe, and the other end is connected with outlet pipe, and described electric butterfly valve is in closed condition;
Second electric butterfly valve (103), one end is connected with the first mouth of pipe A of water filter, and the other end is connected with outlet pipe, and described electric butterfly valve is in open mode;
The comparator (4) be connected with electro connecting pressure gauge (2) and electro connecting pressure gauge (3) respectively, poor with the pressure reading of electro connecting pressure gauge (3) for calculating electro connecting pressure gauge (2), when described pressure reading difference is greater than predetermined threshold value, send triggering signal to the first electric butterfly valve (102), the second electric butterfly valve (103) and filter cylinder motor (5);
First electric butterfly valve (102) is in open mode after receiving described triggering signal, and water inlet pipe is in connected state via the first electric butterfly valve (102) and the first mouth of pipe A of water filter (1);
Second electric butterfly valve (103) is in closed condition after receiving described triggering signal, and outlet pipe is in closed condition via the second electric butterfly valve (103) and the first mouth of pipe A of water filter (1);
Filter cylinder motor (5) is in operating condition after receiving triggering signal.
2. according to claim 1 automatically exempting from tears flushing water filter system open, it is characterized in that, the air filter hydrophone that described water filter (1) is generating set or oily water filter.
3. according to claim 1 automatically exempting from tears flushing water filter system open, it is characterized in that, also comprises the stop valve (101) be connected with water inlet pipe and the stop valve (105) be connected with sewage pipe.
4. according to claim 1 automatically exempting from tears flushing water filter system open, it is characterized in that, also comprise the 3rd electric butterfly valve (104), wherein the 3rd electric butterfly valve (104) one end is connected with the 3rd mouth of pipe C of water filter, and the other end is connected with sewage pipe; And the 3rd electric butterfly valve (104) is in open mode after receiving described triggering signal, sewage pipe is in connected state via the 3rd electric butterfly valve (104) and the 3rd mouth of pipe C of water filter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532319.4U CN204093157U (en) | 2014-09-17 | 2014-09-17 | One is automatically exempted to tear open and is rinsed water filter system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532319.4U CN204093157U (en) | 2014-09-17 | 2014-09-17 | One is automatically exempted to tear open and is rinsed water filter system |
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| Publication Number | Publication Date |
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| CN204093157U true CN204093157U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420532319.4U Expired - Fee Related CN204093157U (en) | 2014-09-17 | 2014-09-17 | One is automatically exempted to tear open and is rinsed water filter system |
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| CN (1) | CN204093157U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704369A (en) * | 2018-06-13 | 2018-10-26 | 广州发展集团股份有限公司 | Recirculated water water filter, system and drainage method |
| CN109365362A (en) * | 2018-11-13 | 2019-02-22 | 中国航空国际建设投资有限公司 | Rinse-system and purging method |
| CN110984301A (en) * | 2019-12-27 | 2020-04-10 | 奇瑞汽车股份有限公司 | Solve unsmooth water treatment system of building drainage |
-
2014
- 2014-09-17 CN CN201420532319.4U patent/CN204093157U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704369A (en) * | 2018-06-13 | 2018-10-26 | 广州发展集团股份有限公司 | Recirculated water water filter, system and drainage method |
| CN108704369B (en) * | 2018-06-13 | 2020-11-24 | 广州发展集团股份有限公司 | Circulating water filter device, system and water filtering method |
| CN109365362A (en) * | 2018-11-13 | 2019-02-22 | 中国航空国际建设投资有限公司 | Rinse-system and purging method |
| CN110984301A (en) * | 2019-12-27 | 2020-04-10 | 奇瑞汽车股份有限公司 | Solve unsmooth water treatment system of building drainage |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20160917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |