CN208968350U - A kind of indirect cool tower flushing water reclamation system - Google Patents
A kind of indirect cool tower flushing water reclamation system Download PDFInfo
- Publication number
- CN208968350U CN208968350U CN201821191262.0U CN201821191262U CN208968350U CN 208968350 U CN208968350 U CN 208968350U CN 201821191262 U CN201821191262 U CN 201821191262U CN 208968350 U CN208968350 U CN 208968350U
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- China
- Prior art keywords
- water
- collecting tank
- flushing
- liquid collecting
- indirect cool
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 227
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 85
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 239000007921 spray Substances 0.000 claims abstract description 34
- 238000012546 transfer Methods 0.000 claims abstract description 27
- 238000004064 recycling Methods 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 12
- 230000002328 demineralizing effect Effects 0.000 abstract description 12
- 238000005406 washing Methods 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 238000002242 deionisation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of indirect cool towers to rinse water reclamation system, comprising: is provided with collecting tank below cooling triangle, the lower section of collecting tank is connected with liquid collecting tank by drainage pipeline；Liquid collecting tank, flushing pump and spray head are sequentially connected in series by water return pipeline, and water inlet line is communicated on the water return pipeline between liquid collecting tank and flushing pump, are provided with back-water valve (BWV) on the water return pipeline between liquid collecting tank and water inlet line；Spray head is set on the flushing guide rail inside indirect cool tower；Blow-off line below liquid collecting tank has blowdown valve.The system can recycle flushing water automatically, water after the cooling triangle heat-transfer surface of cleaning indirect cool tower is recycled, and the dosage of water on water inlet line can be automatically controlled according to the dosage of recycling flushing water, the dosage summation of water on the flushing water and water inlet line of recycling is set just to be able to satisfy the water demand required when washing cooling triangle that liquidates, it is high to the utilization rate of the flushing water of recycling, and it can largely save the dosage of chemical demineralizing water on water inlet line, save the cost.
Description
Technical field
The utility model relates to fire/nuclear power station indirect air cooling fields, and in particular to a kind of indirect cool tower flushing water reclamation system.
Background technique
Currently, since the coal-fired power plant that China is equipped with indirect cool tower generally builds in classes such as the biggish Gobi deserts of sand dust
Like region, meanwhile, indirect cool tower is commonly four comb beams, has certain thickness, spacing of fin is also smaller, between this various reasons causes
Easily dust stratification in cold tower operational process, there is data to suggest that, dust stratification 1.2mm, unit operation back pressure can increase about 50% or so.Between it is cold
Tower flushing is the routinely operation in order to guarantee unit efficiency.The flushing of indirect cool tower would generally use giant, and pressure is usual
In 8MPa or so, it generally is equipped with flushing pump pressurization, flushing water uses chemical demineralizing water, just starts using cold between flushing water cleaning
When the cooling triangle of tower, flushing water is messy, can be expelled directly out, but flushing water is cleaner after flushing two or three time, directly
Discharge be easy to cause the waste of water resource, not high to the utilization rate of water resource.
Utility model content
In order to solve the above problem, the utility model provides a kind of indirect cool tower flushing water reclamation system, which can return automatically
Flushing water is received, the water after the cooling triangle heat-transfer surface of cleaning indirect cool tower is recycled, and can be according to recycling flushing water
Dosage automatically controls the dosage of chemical demineralizing water on water inlet line, makes the chemical demineralizing water on the flushing water and water inlet line of recycling
Dosage summation be just able to satisfy the blowing force of flushing pump and to water demand required when rinsing the cooling triangle heat-transfer surface of indirect cool tower,
Will not influence the power output and flushing effect of flushing pump, the system is high to the utilization rate of the flushing water of recycling, and can largely save into
The dosage of chemical demineralizing water on waterpipe, save the cost, structure is simple, implementation easy to operate.
In order to achieve the above object, the utility model is resolved using following technical scheme.
A kind of indirect cool tower flushing water reclamation system, comprising: cooling triangle, collecting tank, liquid collecting tank, flushing pump and spray head；Institute
It states and is provided with collecting tank below cooling triangle, the lower section of the collecting tank is connected with liquid collecting tank by drainage pipeline；The collection
Flow container, flushing pump and spray head are sequentially connected in series by water return pipeline, on the water return pipeline between the liquid collecting tank and flushing pump
It is communicated with water inlet line, is provided with back-water valve (BWV) on the water return pipeline between the liquid collecting tank and the water inlet line；The spray head
It is set on the flushing guide rail inside indirect cool tower, the spray head is used for the heat-transfer surface hydrojet to the cooling triangle；The liquid collecting
It is provided with blow-off line below tank, is provided with blowdown valve on the blow-off line.
Indirect cool tower according to the present utility model rinses water reclamation system, the section of collecting tank be it is trapezoidal, for collecting spray head
The water after cooling down triangle heat-transfer surface is cleaned, the water in collecting tank is emitted into liquid collecting tank by drainage pipeline, has just started cleaning
Dirty water after washing cooling triangle heat-transfer surface is discharged by the blow-off line below liquid collecting tank, when spray head is to cooling triangle heat-transfer surface cleaning
When coming out cleaner water after two or three time, the blowdown valve on blow-off line is closed, the back-water valve (BWV) on water return pipeline is opened, makes to collect
Water in flow container flow to the entrance of flushing pump by water return pipeline and using self gravity, in the process for the entrance for flowing to flushing pump
The chemical demineralizing water neutralized on water inlet line converges, and is delivered to spray head using flushing pump, and spray head is generally parallel to ground and consolidates
Due on the flushing guide rail of indirect cool tower inner ring, the heat-transfer surface of cooling triangle is cleaned again by spray head, so circulation benefit
It is cleaned with heat-transfer surface of the water cleaner after cleaning to cooling triangle, realization recycles clean water, and can be a large amount of
Save the dosage of the chemical demineralizing water on water inlet line, save the cost.The indirect cool tower of the utility model rinses water reclamation system can
Automatic recycling flushing water recycles the water after the cooling triangle heat-transfer surface of cleaning indirect cool tower, and will not influence flushing pump
Power output and flushing effect, while can largely save the dosage of chemical demineralizing water on water inlet line, save the cost, the system structure
Simply, implementation easy to operate.
Preferably, being provided with inlet valve on the water inlet line, the back-water valve (BWV) is circling water flow rate valve.
Indirect cool tower according to the present utility model rinses water reclamation system, and the circling water flow rate valve on water return pipeline can be to liquid collecting tank
The flow of the water of middle output is measured, when the water return amount on water return pipeline is insufficient for the blowing force of flushing pump and between flushing
When cold tower cooler triangle heat-transfer surface when required water demand, the inlet valve of water inlet line can be opened, supplements chemical demineralizing water
Cold tower cooler triangle heat-transfer surface is cleaned；When the water return amount on water return pipeline meets the blowing force of flushing pump and to cold between flushing
When tower cooler triangle heat-transfer surface when required water demand, the inlet valve of water inlet line is closed, saves water resource, saves cost.
Preferably, it further includes controller that the indirect cool tower, which rinses water reclamation system, the signal of the circling water flow rate valve
Output end is electrically connected with the signal input part of the controller, and the control terminal of the controller is electrically connected with the inlet valve.
Indirect cool tower according to the present utility model rinses water reclamation system, and the circling water flow rate valve on water return pipeline can be to liquid collecting tank
The flow of the water of middle output is measured, and controller automatically controls on water inlet line according to the flow of the water exported in liquid collecting tank
Inlet valve realizes the automation control for supplying water on water inlet line, saves water resource, saves cost, convenient and efficient.
Preferably, the inlet valve is flow of inlet water valve.
Indirect cool tower according to the present utility model rinses water reclamation system, and controller is according to the flow of the water exported in liquid collecting tank
Flow of inlet water valve on adjustable water inlet line makes to supply the total amount of water just on the water exported in liquid collecting tank and water inlet line
It can satisfy the blowing force of flushing pump and to water demand required when rinsing the cooling triangle heat-transfer surface of indirect cool tower, make in water inlet line
The dosage of supply water is just met for demand, realizes and supplies making full use of for water in water inlet line, further saves water resource, saves
Cost.
Preferably, the sidewall upper of the liquid collecting tank is provided with water return pipeline.
Indirect cool tower according to the present utility model rinses water reclamation system, and the sidewall upper of liquid collecting tank is arranged in water return pipeline,
The flushing water collected in liquid collecting tank can stand a period of time in liquid collecting tank, and the sediment miscellaneous object of lower layer can be arranged by blow-off line
Out, upper layer clean water can be delivered to spray head using flushing pump by recovery channel, pass through the precipitation realization pair of liquid collecting tank
The purified treatment of flushing water makes liquid collecting tank have both storage liquid and purification function.
Preferably, being provided with flushing pump control valve on water return pipeline between the flushing pump and spray head.
Indirect cool tower according to the present utility model rinses water reclamation system, adjusts flushing pump output by rinsing pump control valve
Water can be adjusted at any time dosage of the spray head to the flushing water for cooling down triangle heat-transfer surface, convenient and efficient, more can rationally be provided using water
Source.
Preferably, being provided with baffle on the flushing guide rail, the lower end of the baffle is located at opening for the collecting tank
Mouth end.
Indirect cool tower according to the present utility model rinses water reclamation system, when the water that spray head gushes out rinses cooling heat transferring face,
Splashing out the water come can be blocked by the baffle rinsed on guide rail, and be flow in collecting tank by baffle, and the waste of flushing water is avoided,
Improve the utilization rate of flushing water.
Detailed description of the invention
The utility model is described in further details in the following with reference to the drawings and specific embodiments.
Fig. 1 is that the indirect cool tower of the utility model rinses the structural schematic diagram of water reclamation system.
In the above figure: 1 cooling triangle；2 collecting tanks；201 drainage pipelines；3 liquid collecting tanks；310 water return pipelines；311 return water
Flow valve；312 rinse pump control valve；320 water inlet lines；321 flow of inlet water valves；330 blow-off lines；331 blowdown valves；4 rinse
Pump；5 spray heads；501 rinse guide rail；6 controllers.
Specific embodiment
With reference to Fig. 1, a kind of indirect cool tower that the embodiment of content according to the present utility model is proposed rinses water reclamation system,
It include: cooling triangle 1, collecting tank 2, liquid collecting tank 3, flushing pump 4 and spray head 5；The lower section of the cooling triangle 1 is provided with collecting tank
2, the lower section of the collecting tank 2 is connected with liquid collecting tank 3 by drainage pipeline 201；The liquid collecting tank 3, flushing pump 4 and spray head 5 are logical
It crosses water return pipeline 310 to be sequentially connected in series, is communicated with water inlet pipe on the water return pipeline 310 between the liquid collecting tank 3 and flushing pump 4
Road 320 is provided with back-water valve (BWV) on the water return pipeline 310 between the liquid collecting tank 3 and the water inlet line 320；The spray head 5 is set
It is placed on the flushing guide rail 501 inside indirect cool tower, the spray head 5 is used for the heat-transfer surface hydrojet to the cooling triangle 1；The collection
The lower section of flow container 3 is provided with blow-off line 330, is provided with blowdown valve 331 on the blow-off line 330.
In the embodiment above, the section of collecting tank 2 is trapezoidal, after collecting cooling 1 heat-transfer surface of triangle of the cleaning of spray head 5
Water, the water in collecting tank 2 is emitted into liquid collecting tank 3 by drainage pipeline 201, and the cooling triangle 1 of washing for just having started cleaning exchanges heat
Dirty water behind face is discharged by the blow-off line 330 of 3 lower section of liquid collecting tank, when 5 pairs of spray head, 1 heat-transfer surfaces of cooling triangle cleaning two or three time with
When coming out cleaner water afterwards, the blowdown valve 331 on blow-off line 330 is closed, the back-water valve (BWV) on water return pipeline 310 is opened, makes
Water in liquid collecting tank 3 flow to the entrance of flushing pump 4 by water return pipeline 310 and using self gravity, is flowing to entering for flushing pump 4
Chemical demineralizing water during mouthful and on water inlet line 320 converges, and is delivered to spray head 5 using flushing pump 4, and spray head 5 is general
It is parallel to ground and is fixed on the flushing guide rail 501 of indirect cool tower inner ring, by spray head 5 again to the heat-transfer surface of cooling triangle 1
It is cleaned, so recycles water cleaner after cleaning and the heat-transfer surface of cooling triangle 1 is cleaned, realize to clean water
Recycle, and can largely save the dosage of the chemical demineralizing water on water inlet line 320, save the cost.The utility model
Indirect cool tower rinses water reclamation system can recycle flushing water automatically, follow to the water after cooling 1 heat-transfer surface of triangle of cleaning indirect cool tower
Ring utilizes, and will not influence the power output and flushing effect of flushing pump 4, while can largely save chemical deionization on water inlet line 320
The dosage of water, save the cost, the system structure is simple, implementation easy to operate.
With reference to Fig. 1, one embodiment according to the present utility model is provided with inlet valve on the water inlet line 320, described
Back-water valve (BWV) is circling water flow rate valve 311.
In the embodiment above, the circling water flow rate valve 311 on water return pipeline 310 can be to the stream of the water exported in liquid collecting tank 3
Amount is measured, when the water return amount on water return pipeline 310 is insufficient for the blowing force of flushing pump 4 and to flushing indirect cool tower cooling three
When 1 heat-transfer surface of angle when required water demand, the inlet valve of water inlet line 320 can be opened, supplements chemical demineralizing water to cold tower
Cooling 1 heat-transfer surface of triangle is cleaned；When the water return amount on water return pipeline 310 meets the blowing force of flushing pump 4 and to cold between flushing
When tower cooler 1 heat-transfer surface of triangle when required water demand, close water inlet line 320 inlet valve, save water resource, save at
This.
With reference to Fig. 1, one embodiment according to the present utility model, it further includes control that the indirect cool tower, which rinses water reclamation system,
Device 6, the signal output end of the circling water flow rate valve 311 are electrically connected with the signal input part of the controller 6, the controller 6
Control terminal be electrically connected with the inlet valve.
In the embodiment above, the circling water flow rate valve 311 on water return pipeline 310 can be to the stream of the water exported in liquid collecting tank 3
Amount is measured, and controller 6 automatically controls the inlet valve on water inlet line 320 according to the flow of the water exported in liquid collecting tank 3, real
The automation control that water is supplied on existing water inlet line 320, saves water resource, saves cost, convenient and efficient.
With reference to Fig. 1, one embodiment according to the present utility model, the inlet valve is flow of inlet water valve 321.
In the embodiment above, controller 6 is according to the adjustable water inlet line 320 of flow of the water exported in liquid collecting tank 3
On flow of inlet water valve 321, make on the water exported in liquid collecting tank 3 and water inlet line 320 supply water total amount can just meet
The blowing force of flushing pump 4 and to water demand required when rinsing cooling 1 heat-transfer surface of triangle of indirect cool tower, makes to supply in water inlet line 320
The dosage of water supply is just met for demand, realizes and supplies making full use of for water in water inlet line 320, further saves water resource, saves
Cost-saving.
With reference to Fig. 1, the sidewall upper of one embodiment according to the present utility model, the liquid collecting tank 3 is provided with return pipe
Road 310.
In the embodiment above, the sidewall upper of liquid collecting tank 3, the flushing collected in liquid collecting tank 3 is arranged in water return pipeline 310
Water can stand a period of time in liquid collecting tank 3, and the sediment miscellaneous object of lower layer can be discharged by blow-off line 330, upper layer clean water
It can be delivered to spray head 5 using flushing pump 4 by recovery channel, the purification to flushing water is realized by the precipitation of liquid collecting tank 3
Processing makes liquid collecting tank 3 have both storage liquid and purification function.
With reference to Fig. 1, one embodiment according to the present utility model, the water return pipeline between the flushing pump 4 and spray head 5
It is provided on 310 and rinses pump control valve 312.
Indirect cool tower according to the present utility model rinses water reclamation system, defeated by rinsing the adjusting flushing pump 4 of pump control valve 312
Water out can be adjusted at any time dosage of the spray head 5 to the flushing water for cooling down 1 heat-transfer surface of triangle, convenient and efficient, more can rationally utilize
Water resource.
One embodiment according to the present utility model is provided with baffle, the lower end of the baffle on the flushing guide rail 501
Positioned at the open end of the collecting tank 2.
In the embodiment above, when the water that spray head 5 gushes out rinses cooling heat transferring face, splashing out the water come can be led by rinsing
Baffle on rail 501 blocks, and is flow in collecting tank 2 by baffle, avoids the waste of flushing water, improves the utilization of flushing water
Rate.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modification and variations of the utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (7)
1. a kind of indirect cool tower rinses water reclamation system characterized by comprising cooling triangle (1), collecting tank (2), liquid collecting tank
(3), flushing pump (4) and spray head (5)；
It is provided with collecting tank (2) below the cooling triangle (1), the lower section of the collecting tank (2) passes through drainage pipeline (201)
It is connected with liquid collecting tank (3)；
The liquid collecting tank (3), flushing pump (4) and spray head (5) are sequentially connected in series by water return pipeline (310), the liquid collecting tank
(3) be communicated with water inlet line (320) on the water return pipeline (310) between flushing pump (4), the liquid collecting tank (3) and it is described into
Back-water valve (BWV) is provided on water return pipeline (310) between waterpipe (320)；
The spray head (5) is set on the flushing guide rail (501) inside indirect cool tower, and the spray head (5) is used for the cooling three
The heat-transfer surface hydrojet at angle (1)；
It is provided with blow-off line (330) below the liquid collecting tank (3), is provided with blowdown valve on the blow-off line (330)
(331)。
2. indirect cool tower according to claim 1 rinses water reclamation system, which is characterized in that on the water inlet line (320)
It is provided with inlet valve, the back-water valve (BWV) is circling water flow rate valve (311).
3. indirect cool tower according to claim 2 rinses water reclamation system, which is characterized in that the indirect cool tower flushing water recycling
System further includes controller (6), and the signal output end of the circling water flow rate valve (311) and the signal of the controller (6) input
End electrical connection, the control terminal of the controller (6) are electrically connected with the inlet valve.
4. indirect cool tower according to claim 3 rinses water reclamation system, which is characterized in that the inlet valve is flow of inlet water
Valve (321).
5. indirect cool tower according to claim 1 rinses water reclamation system, which is characterized in that the side wall of the liquid collecting tank (3)
Upper end is provided with water return pipeline (310).
6. indirect cool tower according to claim 1 rinses water reclamation system, which is characterized in that the flushing pump (4) and spray head
(5) it is provided on the water return pipeline (310) between and rinses pump control valve (312).
7. indirect cool tower according to claim 1 rinses water reclamation system, which is characterized in that on the flushing guide rail (501)
It is provided with baffle, the lower end of the baffle is located at the open end of the collecting tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191262.0U CN208968350U (en) | 2018-07-26 | 2018-07-26 | A kind of indirect cool tower flushing water reclamation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191262.0U CN208968350U (en) | 2018-07-26 | 2018-07-26 | A kind of indirect cool tower flushing water reclamation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208968350U true CN208968350U (en) | 2019-06-11 |
Family
ID=66749127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821191262.0U Expired - Fee Related CN208968350U (en) | 2018-07-26 | 2018-07-26 | A kind of indirect cool tower flushing water reclamation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208968350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587716A (en) * | 2021-08-08 | 2021-11-02 | 山东金诺电力科技有限公司 | Indirect cooling tower cleaning device |
-
2018
- 2018-07-26 CN CN201821191262.0U patent/CN208968350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587716A (en) * | 2021-08-08 | 2021-11-02 | 山东金诺电力科技有限公司 | Indirect cooling tower cleaning device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20190726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |