CN102564214B - Decontamination system for wastewater heat exchanger - Google Patents
Decontamination system for wastewater heat exchanger Download PDFInfo
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- CN102564214B CN102564214B CN 201210063221 CN201210063221A CN102564214B CN 102564214 B CN102564214 B CN 102564214B CN 201210063221 CN201210063221 CN 201210063221 CN 201210063221 A CN201210063221 A CN 201210063221A CN 102564214 B CN102564214 B CN 102564214B
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- water
- heat exchanger
- water end
- wastewater
- filter
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Abstract
The invention discloses a decontamination system for a wastewater heat exchanger, belonging to the technical field of energy utilization. A bypass pipeline at a wastewater inlet side of an upper water end of a system cleaner is communicated with a bypass pipeline at a wastewater inlet side of a lower water end of the cleaner, and a valve is mounted between the communicated pipelines. A bypass pipeline at a lower water side of the upper water end of the cleaner is communicated with a bypass pipeline at the lower water side of the lower water end of the cleaner, and a valve is mounted between the communicated pipelines. A bypass pipeline in the middle of the upper water end of the cleaner is communicated with a bypass pipeline in the middle of the lower water end of the cleaner, and a wastewater heat exchanger, a third filter and a valve are mounted between the communicated pipelines. According to the system disclosed by the invention, a decontaminating ball is driven by pushing of wastewater to do reciprocating motions in a wastewater channel in a pipe of the heat exchanger by opening the valves to realize relative pipeline switching, so as to remove a dirt layer on the inner wall of the pipe by colliding and rubbing the dirt layer on the inner wall of the pipe. Therefore, the dirt heat resistance of the heat exchanger is reduced to improve the heat exchange property of the wastewater heat exchanger.
Description
Technical field
The invention belongs to the energy utilization technology field, be specifically related to a kind of decontamination system for wastewater heat exchanger.
Background technology
Along with fast development and the growth in the living standard of economy, domestic hot-water's energy consumption sharply increases.The sanitary wastewater temperature generally between 28～38 ℃, belongs to low-grade heat at present.Especially, barber shop, bath center sanitary wastewater discharge capacity are larger, and relatively concentrated, and the waste heat that wherein contains is easy to be recovered utilization.Because waste water includes a certain amount of mud, impurity, the inside pipe wall that is easy to stick to the wastewater heat exchange device forms certain thickness schmutzband.This has not only increased dirtiness resistance, but also has increased flow resistance.In general, after the wastewater heat exchange device used a period of time, its heat transfer property was significantly decayed, and its flow resistance significantly improves.Because there are like this some problems in the waste water water heater, is difficult to apply so that waste water residual heat is recycled, cause a large amount of waste heats directly to be disposed in the environment and be wasted.
This shows, the dirt that how to solve regularly, removes simply, efficiently the wastewater heat exchange device is the key that the waste water residual heat recovery and utilization technology is applied.
Summary of the invention
The object of the present invention is to provide a kind of decontamination system for wastewater heat exchanger.
A kind of decontamination system for wastewater heat exchanger, on the dirt separator under the bypass line of the waste water inlet side of water end (W.E.) and the dirt separator bypass line of the waste water inlet side of water end (W.E.) be connected, and between connecting pipeline mounted valve; On the dirt separator under the bypass line of the lower water side of water end (W.E.) and the dirt separator bypass line of the lower water side of water end (W.E.) be connected, and between connecting pipeline mounted valve; On the dirt separator under the middle part bypass line of water end (W.E.) and the dirt separator middle part bypass line of water end (W.E.) be connected, and at connecting pipeline water hydro-thermal parallel operation WEX, the 3rd filter R are installed
3And valve.
The structure of water end (W.E.) is on the described dirt separator: the first filter R
1With the second filter R
2Between fill scrubbing ball CS, form scrubbing ball storage chamber V
b, scrubbing ball storage chamber V
bTwo ends are communicated with by annulus line, and valve is set.
Described water hydro-thermal parallel operation WEX is double pipe heat exchanger or shell and tube exchanger.
Described the first filter R
1With the second filter R
2Mesh aperture less than 85% of scrubbing ball CS diameter.
Beneficial effect of the present invention: decontamination system for wastewater heat exchanger of the present invention can pass through valve opening, the realization associated pipe is switched, back and forth movement in the waste water tunnel that orders about under the promotion of waste water in the pipe of scrubbing ball at heat exchanger, the schmutzband of collision and friction tube inwall, thereby remove the schmutzband on the inside pipe wall, reduce the heat exchanger dirtiness resistance to improve the heat exchange property of wastewater heat exchange device.This decontamination system for wastewater heat exchanger is that the waste water residual heat recovery is provided convenience, and improves the service life that waste water residual heat reclaims heat exchanger, for applying of waste water residual heat recovery provides technical support.
Description of drawings
Fig. 1 is that decontamination system for wastewater heat exchanger of the present invention forms and pipeline connects;
Fig. 2 is that the system of water end (W.E.) on the dirt separator of the present invention forms and pipeline connects;
Fig. 3 is that the system of water end (W.E.) under the dirt separator of the present invention forms and pipeline connects;
Among the figure, V
b-scrubbing ball storage chamber, R
1The-the first filter, R
2The-the second filter, R
3-Di three filters, WEX-water water-to-water heat exchanger, CS-scrubbing ball, V
1～V
5-valve.
The specific embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Embodiment 1
As Figure 1-3, a kind of decontamination system for wastewater heat exchanger of the present embodiment is become by water end (W.E.), water water-to-water heat exchanger WEX, connecting line, valve and other enclosure group under water end (W.E.), the dirt separator on the dirt separator, connecting line in the described system is divided into water pipeline, waste water pipeline, wherein, the water water-to-water heat exchanger is double pipe heat exchanger or shell and tube exchanger.Water end (W.E.) is by the first filter R on the dirt separator
1, the second filter R
2, scrubbing ball CS, scrubbing ball storage chamber V
b, connecting line, valve V
1, V
2And other enclosure group becomes; The scrubbing ball stores chamber V
bThe straight length both sides of influent waste water side the first filter R is installed respectively
1, the second filter R
2, another one outlet C-C is connected with the waste water entrance point of wastewater heat exchange device; Water end (W.E.) is by the 3rd filter R under the dirt separator
3, connecting line, valve V3, V4, V5 and other enclosure group become.
The waste water inlet tube of water end (W.E.) is connected with waste water incoming flow pipeline on the dirt separator, and its C-C pipeline opening is connected with the water intake of water water-to-water heat exchanger WEX; The E-E pipeline opening of the lower water end (W.E.) of dirt separator is connected with the discharge of wastewater mouth of water water-to-water heat exchanger WEX; On the dirt separator under the bypass line of the waste water inlet side B-B of water end (W.E.) and the dirt separator bypass line of the waste water inlet side D-D of water end (W.E.) be connected; On the dirt separator under the bypass pipe of the lower water side A--A of water end (W.E.) and the dirt separator bypass pipe of the lower water side F-F of water end (W.E.) be connected.
When decontamination system for wastewater heat exchanger carries out scrubbing, generally need repeatedly to start several times.Its working procedure is divided into: forward washes away program and backward erosion program.Forward washes away the stage, need to open valve V
2, V
4, valve-off V
1, V
3, V
5, sanitary wastewater is through valve V
2, filter R
2, impact scrubbing ball CS and enter in the heat exchanger tube of water water-to-water heat exchanger WEX, the scrubbing ball CS of disturbance is in mixed and disorderly unordered motion state, by with collision, the friction of inside pipe wall dirt, dirt is sneaked in the waste water, through filter R
3, valve V
4The pipeline at place directly discharges, because the 3rd filter R
3Mesh less than the diameter of scrubbing ball CS, therefore be trapped in the 3rd filter R
3The place, and dirt emits with waste water, thus realize the function of the inside pipe wall dirt of removal water water-to-water heat exchanger WEX; In the backward erosion stage, need to open valve V
3, V
5, valve-off V
1, V
4, V
2, sanitary wastewater is through valve V
3, the 3rd filter R
3, the impact forward washes away and is gathered in the 3rd filter R
3Scrubbing ball CS, enter in the heat exchanger tube of water water-to-water heat exchanger WEX, the scrubbing ball CS of disturbance is in mixed and disorderly unordered motion state, by with collision, the friction of inside pipe wall dirt, dirt is sneaked in the waste water, flow through, the scrubbing ball stores chamber V
b, the 3rd filter R
2, valve V
5Directly discharging is because the second filter R
2Mesh less than scrubbing ball CS diameter, therefore be trapped in filter R
2The scrubbing ball at place stores chamber V
b, and dirt emits with waste water, thus realize the function of the inside pipe wall dirt of removal water water-to-water heat exchanger.
Regularly adopt forward to wash away program and backward erosion program repeatedly, can remove the dirt on the heat exchanger tube inwall of wastewater heat exchange device, each scrubbing operation all operates to guarantee that as last scrubbing scrubbing ball CS is back to the scrubbing ball and stores chamber V with the backward erosion program
bIn.When water water-to-water heat exchanger WEX is in normal operating conditions, Open valve V
1, V
4, valve-off V
2, V
3, V
5, at this moment, sanitary wastewater is successively by valve V
1, filter R
1, enter in the heat exchanger tube of water water-to-water heat exchanger WEX, and then through the 3rd filter R
3, valve V
4, be disposed to waste pipe.
Claims (3)
1. a decontamination system for wastewater heat exchanger is characterized in that, on the dirt separator under the bypass line of the waste water inlet side of water end (W.E.) and the dirt separator bypass line of the waste water inlet side of water end (W.E.) be connected, and between connecting pipeline mounted valve; On the dirt separator under the bypass line of the lower water side of water end (W.E.) and the dirt separator bypass line of the lower water side of water end (W.E.) be connected, and between connecting pipeline mounted valve; On the dirt separator under the middle part bypass line of water end (W.E.) and the dirt separator middle part bypass line of water end (W.E.) be connected, and at connecting pipeline water hydro-thermal parallel operation (WEX), the 3rd filter (R are installed
3) and valve; The structure of water end (W.E.) is on the described dirt separator: the first filter (R
1) and the second filter (R
2) between fill scrubbing ball (CS), form scrubbing ball storage chamber (V
b), scrubbing ball storage chamber (V
b) two ends all arrange valve, and be communicated with by annulus line.
2. described a kind of decontamination system for wastewater heat exchanger according to claim 1 is characterized in that, described water hydro-thermal parallel operation (WEX) is double pipe heat exchanger or shell and tube exchanger.
3. described a kind of decontamination system for wastewater heat exchanger according to claim 1 is characterized in that described the first filter (R
1) and the second filter (R
2) mesh aperture less than 85% of scrubbing ball (CS) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210063221 CN102564214B (en) | 2012-03-12 | 2012-03-12 | Decontamination system for wastewater heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210063221 CN102564214B (en) | 2012-03-12 | 2012-03-12 | Decontamination system for wastewater heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102564214A CN102564214A (en) | 2012-07-11 |
| CN102564214B true CN102564214B (en) | 2013-10-16 |
Family
ID=46410305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210063221 Expired - Fee Related CN102564214B (en) | 2012-03-12 | 2012-03-12 | Decontamination system for wastewater heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102564214B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479397A (en) * | 2018-04-25 | 2018-09-04 | 东莞东三环环保设备有限公司 | A kind of sponge glueballs cleans single channel tubular type membranous system automatically |
| CN109443050A (en) * | 2018-12-07 | 2019-03-08 | 福建工程学院 | Automatic desludging shell and tube exchanger and control method in a kind of pipe |
| CN109443049A (en) * | 2018-12-07 | 2019-03-08 | 福建工程学院 | A kind of pipe is interior to recycle automatic descaling heat exchanger and its control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750282Y (en) * | 2004-10-19 | 2006-01-04 | 戈士军 | Steam condenser rubber ball cleaning device with back flush block-proof functions |
| CN100419368C (en) * | 2005-04-15 | 2008-09-17 | 岳阳长天科技有限公司 | On-line cleaning technique for forward and reverse rubber balls of cold exchanger |
| CN202470879U (en) * | 2012-03-12 | 2012-10-03 | 北京建筑工程学院 | Decontamination device of wastewater heat exchanger |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1137692A (en) * | 1997-05-21 | 1999-02-12 | Tatsumi Eyaa Eng:Kk | In-line cleaner for heat exchanger, and in-line cleaning method |
| US7975758B2 (en) * | 2008-05-27 | 2011-07-12 | Chung-Yueh Ho | Condenser tubes cleaning system |
-
2012
- 2012-03-12 CN CN 201210063221 patent/CN102564214B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750282Y (en) * | 2004-10-19 | 2006-01-04 | 戈士军 | Steam condenser rubber ball cleaning device with back flush block-proof functions |
| CN100419368C (en) * | 2005-04-15 | 2008-09-17 | 岳阳长天科技有限公司 | On-line cleaning technique for forward and reverse rubber balls of cold exchanger |
| CN202470879U (en) * | 2012-03-12 | 2012-10-03 | 北京建筑工程学院 | Decontamination device of wastewater heat exchanger |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-37692A 1999.02.12 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102564214A (en) | 2012-07-11 |
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Granted publication date: 20131016 Termination date: 20190312 |