CN202590446U - Circulating water sand filtering device of converter valve cooling system - Google Patents
Circulating water sand filtering device of converter valve cooling system Download PDFInfo
- Publication number
- CN202590446U CN202590446U CN 201220119878 CN201220119878U CN202590446U CN 202590446 U CN202590446 U CN 202590446U CN 201220119878 CN201220119878 CN 201220119878 CN 201220119878 U CN201220119878 U CN 201220119878U CN 202590446 U CN202590446 U CN 202590446U
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- sand filter
- sand
- pipe
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Abstract
The utility model relates to a circulating water sand filtering device of a converter valve cooling system. A water inlet and a water outlet of a sand filter in the sand filtering device are both communicated with a water outlet of a circulating water pump, and a sewage pipe communicated with a sewage outlet is added at a water inlet of the sand filter, so that a maintainer only needs close switch valves between the water outlet of the circulating water pump and the water inlet of the sand filter and on a water purification pipe and opening switch valves between the water outlet of the circulating water pump and the water outlet of the sand filter and on the sewage pipe when the sand filter needs washing, circulating water led from the circulating water pump can flow in the sand filter from the water outlet of the sand filter, flow out from the water inlet of the sand filter and then flow in a sewage tank to conduct backlash washing on the sand filter, and accordingly a purpose of washing the sand filter can be achieved under the condition that the sand filter is not disassembled form a circulating water system pipeline.
Description
Technical field
The utility model relates to the cooling system technical field of direct-current transmission converter valve, especially relates to a kind of recirculated water sand filtering device of converter valve cooling system.
Background technology
Converter valve is the nucleus equipment of DC transmission engineering; Converter valve is through insert its dc terminal DC voltage that obtains expecting and the control that realizes the power of direct current with three-phase alternating voltage successively; And the value of converter valve accounts for 22～25% of whole current conversion station total price; Thereby converter valve cooling system is as the converter valve Primary Component, and its stability and reliability become the key factor that influences the converter valve operate as normal.
At present, the direct-current transmission converter valve cooling system is generally circulating water cooling system in the enclosed, just, utilizes the lower highly purified recirculated water of airtight temperature that the heat that produces in the converter valve tower is taken away, thereby reaches the purpose that makes the cooling of valve tower.Thereby the circulating water temperature that goes out the valve tower is higher, could be used for once more after this recirculated water need lower the temperature outside the valve tower and filter to the cooling of valve tower, wherein; The important component part that the sand filtering device that is used for filtration cycle water filters as recirculated water, it needs the continual operation of twenty four hours every day guaranteeing to cool off the purity of back recirculated water, but since existing converter valve cooling system sand filtering device supply water by single water circulating pump; Make sand filtering device can not reach the requirement that every day, twenty four hours ran without interruption basically; Thereby have influence on the normal operation of whole converter valve tower, and sand filter directly string be located on the circulating water pipeline, when sand filter is cleaned; Need whole cooling system be quit work; Make that the cleaning of sand filter is very inconvenient, effort when making the inspection cleaning of sand filter, in addition; In the recirculated water that sand filtering device was handled, produce a large amount of bubbles through regular meeting, these bubbles can cause the water short circuit or make sand filter produce the situation of leaking sand.
The utility model content
The utility model provides a kind of recirculated water sand filtering device of converter valve cooling system, be intended to solve the problem that the cleaning of sand filter is wasted time and energy in the prior art.
The technical scheme of the recirculated water sand filtering device of this converter valve cooling system is following:
A kind of recirculated water sand filtering device of converter valve cooling system; Comprise sand filter that is used for filtration cycle water and the water circulating pump that is used for recirculated water is introduced sand filter; The delivery port of said water circulating pump is communicated with through the circulating water inlet that is provided with between the two with the water inlet of sand filter; The delivery port of said sand filter is communicated with the pure water pipe that is used for the recirculated water after filtering is imported circulating water pool; The delivery port of said water circulating pump is communicated with through the backwash water pipe that is provided with between the two with the delivery port of sand filter; The water inlet of said sand filter is communicated with the sewage pipe that the backwashing water that is used for that the delivery port of sand filter is flowed into is discharged, on said circulating water pipe, backwash water pipe, pure water pipe and the sewage pipe respectively string be provided with the controlled valve that is used to control corresponding pipeline break-make.
Said controlled valve is a hydraulic control valve.
Said water circulating pump has at least two, and is that parallel connection is arranged between all water circulating pumps, all is equiped with the opening/shutting valve that is used for the control piper break-make on the water inlet of described each water circulating pump and the delivery port.
Said circulating water pipe is communicated with the water inlet of sand filter through three-way pipe with sewage pipe, is equiped with the air bleeding valve that the gas that is used for making the recirculated water that flows in the three-way pipe is emitted on the said three-way pipe.
Be equiped with conductance instrument between the water inlet of said sand filter and the delivery port, the water inlet end of said conductance instrument is connected on the water inlet of sand filter, and the water side of said conductance instrument is connected on the delivery port of sand filter.
The intake-outlet of sand filter all is communicated with the delivery port of water circulating pump in the utility model; And set up at the water inlet of sand filter and to be communicated with the sewage pipe that sewage goes out; Thereby when needs cleaning sand filter, the maintainer only need with between the water inlet of the delivery port of water circulating pump and sand filter and the controlled valve on the pure water pipe close, with between the delivery port of the delivery port of water circulating pump and sand filter and sewage pipe on controlled valve open; The recirculated water that from water circulating pump, imports can flow into sand filter from the delivery port of sand filter; And flow out from the water inlet of sand filter, flow in the cesspool again, thereby to the sand filter cleaning that recoils; And then make sand filter under situation about not pulling down, just can realize the purpose of cleaning from the circulation pipeline, solved the problem that the cleaning of sand filter is wasted time and energy in the prior art.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the utility model;
Fig. 2 is the front view of Fig. 1;
Fig. 3 be among Fig. 1 water circulating pump at the ducted distribution schematic diagram of cooling system.
The specific embodiment
The embodiment of the recirculated water sand filtering device of the converter valve cooling system of the utility model: extremely shown in Figure 3 like Fig. 1; This sand filtering device comprises sand filter 1 that is used for filtration cycle water and the water circulating pump 2 that is used for recirculated water is introduced sand filter 1; Wherein, Water circulating pump 2 has two, and is that parallel connection is arranged between two water circulating pumps 2, all is equiped with the opening/shutting valve 3 that is used for the control piper break-make on the water inlet 2-1 of each water circulating pump 2 and the delivery port 2-2; The delivery port 2-2 of water circulating pump 2 and the water inlet 1-1 of sand filter 1 are communicated with through circulating water pipe 11 between the two; The delivery port 2-2 of water circulating pump 2 and the delivery port 1-2 of sand filter 1 are communicated with through backwash water pipe 12 between the two; And be communicated with the sewage pipe 4 that the recirculated water that is used for that the delivery port 1-2 of sand filter 1 is flowed into imports cesspool at the water inlet 1-1 of sand filter 1; The delivery port 1-2 of sand filter 1 is communicated with the pure water pipe 5 that is used for the recirculated water after filtering is imported circulating water pool; String is provided with the controlled valve 6 that is used to control corresponding pipeline break-make respectively on circulating water pipe 11, backwash water pipe 12, pure water pipe 5 and sewage pipe 4, and this controlled valve 6 is a hydraulic control valve.
Said circulating water pipe 11 is communicated with the water inlet 1-1 of sand filter 1 through three-way pipe 7 with blow-off pipe 4, and on this three-way pipe 7, is equiped with the air bleeding valve 8 that the gas that is used for making in the three-way pipe 7 recirculated water that flows is emitted.
Be equiped with conductance instrument 9 between the water inlet 1-1 of said sand filter 1 and the delivery port 1-2; The water inlet end 9-1 of conductance instrument 9 is connected on the water inlet 1-1 of sand filter 1, and the water side 9-2 of conductance instrument 9 is connected on the delivery port 1-2 of sand filter 1.
During use; Earlier with between the delivery port 2-2 of the delivery port 1-2 of sand filter 1 and water circulating pump 2 and the controlled valve 6 on the sewage pipe 4 close; Make circulating water flow through behind the water circulating pump 2 through corresponding connecting line between the delivery port 2-2 of the water inlet 1-1 of sand filter 1 and water circulating pump 2 and three-way pipe 7 get in the sand filters 1, through after sand filter 1 filtration treatment again from the delivery port 1-2 of sand filter 1 through pure water pipe 5 and on controlled valve 6 flow into circulating water pools.
When sand filter 1 needs the backwash cleaning; Earlier with between the delivery port 2-2 of the water inlet 1-1 of sand filter 1 and water circulating pump 2 and the controlled valve 6 on the pure water pipe 5 close; Recirculated water gets in the sand filter 1 through controlled valve 6 and the three-way pipe of corresponding connecting line between the delivery port 2-2 of the delivery port 1-2 of sand filter 1 and water circulating pump 2 through water circulating pump 2; Spring back over the water inlet 1-1 at sand filter 1 top again, the controlled valve 6 on three-way pipe 7, sewage pipe 4 and sewage pipe 4 drains into cesspool then.
The water inlet 2-1 of water circulating pump 2 is connected with the spray house steward through pipeline in the utility model; Delivery port 2-2 is connected with intake-outlet 1-1, the 1-2 pipeline of sand filter 1 through pipeline; And adopt the form of parallel connection to install between two water circulating pumps 2; One is equipped with a usefulness, guarantees that sand filter 1 can be in constant normal operation; Controlled valve 6 (hydraulic control valve just) is respectively to be provided with one at the two ends of the three-way pipe 7 of the water inlet 1-1 of sand filter 1; Two ends at the three-way pipe 7 of the delivery port 1-2 of sand filter 1 also respectively are provided with a controlled valve 6, to guarantee that sand filter 1 normal operation is used and the needs of backwash cleaning; While also is provided with an air bleeding valve 8 on three-way pipe 6 tops of the water inlet 1-1 of sand filter 1, in order to the bubble in the recirculated water is in time discharged, avoids causing and leaks the sand phenomenon in water short circuit phenomenon and the sand filter 1; Said conductance instrument 9 is arranged between the water inlet 1-1 and delivery port 1-2 of sand filter 1, in order to detect the circulation electrical conductivity of water that gets into circulating water pool.
In the above-described embodiments; Circulating water pipe is communicated with the water inlet of sand filter through three-way pipe with blow-off pipe; In other embodiments, sand filter also can be provided with two water inlets, thereby circulating water pipe and sewage pipe directly are communicated with on the water inlet of sand filter respectively.
In the above-described embodiments, controlled valve is a pressure controling method, and in other embodiments, this controlled valve also can be controlled valve commonly used such as butterfly valve, ball valve.
In the above-described embodiments, water circulating pump has two, and in other embodiments, water circulating pump also can be by one or more than two, and the concrete quantity of water circulating pump confirms that according to actual operating position this belongs to prior art and therefore repeats no more.
Claims (5)
1. the recirculated water sand filtering device of a converter valve cooling system; Comprise sand filter that is used for filtration cycle water and the water circulating pump that is used for recirculated water is introduced sand filter; The delivery port of said water circulating pump is communicated with through the circulating water inlet that is provided with between the two with the water inlet of sand filter; The delivery port of said sand filter is communicated with the pure water pipe that is used for the recirculated water after filtering is imported circulating water pool; It is characterized in that: the delivery port of said water circulating pump is communicated with through the backwash water pipe that is provided with between the two with the delivery port of sand filter; The water inlet of said sand filter is communicated with the sewage pipe that the backwashing water that is used for that the delivery port of sand filter is flowed into is discharged, on said circulating water pipe, backwash water pipe, pure water pipe and the sewage pipe respectively string be provided with the controlled valve that is used to control corresponding pipeline break-make.
2. the recirculated water sand filtering device of converter valve cooling system according to claim 1, it is characterized in that: said controlled valve is a hydraulic control valve.
3. the recirculated water sand filtering device of converter valve cooling system according to claim 1; It is characterized in that: said water circulating pump has at least two; And be that parallel connection is arranged between all water circulating pumps, all be equiped with the opening/shutting valve that is used for the control piper break-make on the water inlet of described each water circulating pump and the delivery port.
4. the recirculated water sand filtering device of converter valve cooling system according to claim 1; It is characterized in that: said circulating water pipe is communicated with the water inlet of sand filter through three-way pipe with sewage pipe, is equiped with the air bleeding valve that the gas that is used for making the recirculated water that flows in the three-way pipe is emitted on the said three-way pipe.
5. the recirculated water sand filtering device of converter valve cooling system according to claim 1; It is characterized in that: be equiped with conductance instrument between the water inlet of said sand filter and the delivery port; The water inlet end of said conductance instrument is connected on the water inlet of sand filter, and the water side of said conductance instrument is connected on the delivery port of sand filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220119878 CN202590446U (en) | 2012-03-27 | 2012-03-27 | Circulating water sand filtering device of converter valve cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220119878 CN202590446U (en) | 2012-03-27 | 2012-03-27 | Circulating water sand filtering device of converter valve cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202590446U true CN202590446U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220119878 Expired - Fee Related CN202590446U (en) | 2012-03-27 | 2012-03-27 | Circulating water sand filtering device of converter valve cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202590446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613230A (en) * | 2013-08-28 | 2014-03-05 | 湖南省湘电试验研究院有限公司 | Purification treatment method and device for converter valve outer cooling water |
| CN110193219A (en) * | 2019-04-28 | 2019-09-03 | 永联印刷耗材（深圳）有限公司 | Print developer solution circulating filtration equipment |
-
2012
- 2012-03-27 CN CN 201220119878 patent/CN202590446U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613230A (en) * | 2013-08-28 | 2014-03-05 | 湖南省湘电试验研究院有限公司 | Purification treatment method and device for converter valve outer cooling water |
| CN103613230B (en) * | 2013-08-28 | 2014-12-03 | 湖南省湘电试验研究院有限公司 | Purification treatment method and device for converter valve outer cooling water |
| CN110193219A (en) * | 2019-04-28 | 2019-09-03 | 永联印刷耗材（深圳）有限公司 | Print developer solution circulating filtration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20200327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |