CN204648199U - Water, vapour sample waste-heat recovery device - Google Patents
Water, vapour sample waste-heat recovery device Download PDFInfo
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- CN204648199U CN204648199U CN201520180318.2U CN201520180318U CN204648199U CN 204648199 U CN204648199 U CN 204648199U CN 201520180318 U CN201520180318 U CN 201520180318U CN 204648199 U CN204648199 U CN 204648199U
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- pipeline
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Abstract
Water, vapour sample waste-heat recovery device, adopt split-type structural, comprise sweet-water tank, except salt pump group, high temperature sampling rack, plate type heat exchanger, phosphate medicine-chest, feed-tank, boiler, pH meter measuring tank, soda acid injector, ion-exchanger, sweet-water tank outlet is connected with except the import of salt pump group by pipeline, except the outlet of salt pump group is connected with high temperature sampling rack and ion-exchanger respectively, high temperature sampling rack by pipeline respectively with feed-tank, phosphate medicine-chest, plate type heat exchanger connects, plate type heat exchanger outlet is connected with sweet-water tank import by pipeline, feed-tank is connected with boiler, the pH meter measuring tank pipeline of ion-exchanger import being provided with soda acid injector and being connected with soda acid injector.The utility model can not only improve generatine set heat efficiency, and improve demineralized water temperature, use demineralized water as cooling medium, in dish-type heat exchange of heat pipe, non flouling behaviour, ensure that equipment long-term operation, improve equipment dependability simultaneously.
Description
Technical field
The utility model relates to a kind of water, vapour sample waste-heat recovery device, belongs to biomass energy thermal power generating technology field.
Background technology
In thermal power generation process, chemical water, vapour sample due to temperature higher, major part is steam condition, for ensureing artificial and in-line meter analysis is accurate, within 24 hours, must ensure that cooling water is sufficient, make water, vapour sample is below 30 DEG C, by each water, vapour sample 300ml/min discharges calculating, then each water, vapour sample point discharges 0.432 ton every day, there are more than two units in general power plant, it is overheated (left that every platform unit has, right both sides), saturated (left, right both sides), stove water is (left, right both sides), reheating (is entered, outlet), economizer (enters, outlet), amount to 10 water, vapour sample, two stoves amount to 20, an equipment exhausting high-temperature-hot-water reaches 8.64 tons, a large amount of high temperature water samples, generally all cool with industry water or demineralized water, but all heat does not reclaim, cause environmental thermal pollution, be unfavorable for energy-saving and emission-reduction.
At present, water, vapour sampling sample waste heat is not recovered utilization, be all cool with industry water or demineralized water, directly discharge after industry water cooling, after demineralized water cooling, use industrial water cooling demineralized water again, reuse is continued after reducing temperature, industrial colling is also discharge, and this device needs two coolant pumps and plate type heat exchanger, and equipment dependability is not high, and power consumption, increase hand inspection, maintenance workload; A lot of ion-exchange unit is as the power plant of therrmodynamic system supplementing water, when environment temperature is low, for ensureing that ion demineralization plant exchanges effect, generally all improve recycled water temperature with steam heater or plate type heat exchanger, improve regeneration effect, cause secondary energy sources to waste like this, the capacity of the sweet-water tank of general power plant is all be configured according to 2 ~ 3 times of the demineralized water consumption under normal condition, namely so many water is the longest will put 2 days, for reducing the CO in air
2dissolving causes demineralized water pH value to decline, need to increase air respiratorresuscitator, but use air respiratorresuscitator, go wrong at unit, needing to vacuumize phenomenon with there will be during water in a large number, cause the bad phenomenon such as sweet-water tank distortion, and this device also regularly will add alkali, cumbersome, thus can normally use less; Meanwhile for ensureing to pH value, prevent feedwater piping and economizer corrosive pipeline, volatility ammoniacal liquor must be added in feedwater, to improve feedwater pH value, pH is lower, and the ammoniacal liquor that needs add is more, pH is qualified in feedwater, but total ammon amount improves, too high ammonia content can cause intrasystem copper piece to corrode, and pollutes steam.
Utility model content
For the problems referred to above, the utility model provides a kind of water, vapour sample waste-heat recovery device, its object is to: improve generatine set heat efficiency, recycle-water, vapour analyzes sample waste heat, improve therrmodynamic system and supplement demineralized water, water temperature, improve when environment temperature is low, ion-exchange demineralization equipment regeneration effect, avoid resin stain, reduce acid, alkali regenerant consumption, improve effluent quality and water production in periodic mode, simultaneously due to demineralized water temperature increase, CO2 solvability declines, ensure that the unlikely decline of demineralized water pH value in sweet-water tank is too much, the ammonia vol added in feedwater so just reduces, avoid the corrosion to copper piece in system because ammoniacal liquor dosage causes more, protection of the environment, and because high temp samples adopts demineralized water cooling, the unlikely fouling of steam cooler and corrosion, ensure that longtime running and the reliability of system.
Technical solution of the present utility model:
Water, vapour sample waste-heat recovery device, described waste-heat recovery device adopts split-type structural, comprise sweet-water tank, except salt pump group, high temperature sampling rack, plate type heat exchanger, phosphate medicine-chest, feed-tank, boiler, pH meter measuring tank, soda acid injector, ion-exchanger, it is characterized in that: described sweet-water tank outlet is connected with except the import of salt pump group by pipeline, described except salt pump group outlet be connected with high temperature sampling rack and ion-exchanger respectively, described high temperature sampling rack by pipeline respectively with feed-tank, phosphate medicine-chest, plate type heat exchanger connects, described plate type heat exchanger outlet is connected with sweet-water tank import by pipeline, described feed-tank is connected with boiler, the pH meter measuring tank pipeline of described ion-exchanger import being provided with soda acid injector and being connected with soda acid injector.
Pipeline between described high temperature sampling rack and feed-tank is also provided with chlorine remover.
Described plate type heat exchanger exit is also parallel with the return duct be connected with its import.
Described except salt pump group by No. one that is arranged in parallel except salt pump, No. two form except salt pump, regenerative pump.
Described ion-exchanger is connected with regenerative pump, high temperature sampling rack with No. one that is arranged in parallel except salt pump, No. two be connected except salt pump.
Described pipeline is stainless steel pipes.
Described high temperature sampling rack heat exchanger is dish-type pipe heat exchanger.
The beneficial effects of the utility model:
The utility model can not only improve generatine set heat efficiency, improves demineralized water temperature, thus improves ion exchange resin regeneration effect, effectively reduces the CO in air
2dissolving, avoid demineralized water pH in sweet-water tank to decline, reduce volatile ammonia water consumption, reduce the corrosion to copper piece in system, use demineralized water as cooling medium, in dish-type heat exchange of heat pipe simultaneously, non flouling behaviour, ensure that equipment long-term operation, improves equipment dependability.
Accompanying drawing explanation
Fig. 1: the utility model structural principle schematic diagram.
Wherein: 1 sweet-water tank 2 is except No. mono-, salt pump group 2-1 is except No. bis-, salt pump 2-2 is except salt pump 2-3 regenerative pump 3 high temperature sampling rack 4 plate type heat exchanger 5 phosphate medicine-chest 6 feed-tank 7 boiler 8 pH meter measuring tank 9 soda acid injector 10 ion-exchanger 11 chlorine remover 12 return duct.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further:
Water as shown in Figure 1, vapour sample waste-heat recovery device, described waste-heat recovery device adopts split-type structural, comprises sweet-water tank 1, except salt pump group 2, high temperature sampling rack 3, plate type heat exchanger 4, phosphate medicine-chest 5, feed-tank 6, boiler 7, pH meter measuring tank 8, soda acid injector 9, ion-exchanger 10, described sweet-water tank 1 is exported and is connected with except salt pump group 2 import by pipeline, and described salt pump group 2 of removing exports and is connected with high temperature sampling rack 3 and ion-exchanger 10 respectively, described high temperature sampling rack 3 by pipeline respectively with feed-tank 6, phosphate medicine-chest 5, plate type heat exchanger 4 connects, described plate type heat exchanger 4 is exported and is connected with sweet-water tank 1 import by pipeline, described feed-tank 6 is connected with boiler 7, the pH meter measuring tank 8 pipeline of described ion-exchanger 10 import being provided with soda acid injector 9 and being connected with soda acid injector 9, pipeline between described high temperature sampling rack 3 and feed-tank 6 is also provided with chlorine remover 11, described plate type heat exchanger 4 exit is also parallel with the return duct 12 be connected with its import, and described salt pump group 2 of removing removes salt pump 2-1 by No. one that is arranged in parallel, No. two except salt pump 2-2, regenerative pump 2-3 forms, and described ion-exchanger 10 is connected with regenerative pump 2-3, and high temperature sampling rack 3 removes salt pump 2-1 with No. one that is arranged in parallel, No. two are removed salt pump 2-2 and connect, and described pipeline is stainless steel pipes, and described high temperature sampling rack 3 heat exchanger is dish-type pipe heat exchanger.
Specific works process:
As shown in Figure 1, chemical water, vapour sample waste-heat recovery device adopts split-type structural, comprise sweet-water tank water is pumped to high temperature sampling rack cooling water section through desalination, with demineralized water heat exchanging segment in high temperature sampling rack dish-type pipe heat exchanger, then the demineralized water after heat exchange is delivered to oxygen-eliminating device as therrmodynamic system supplementing water and molten medicinal water, because therrmodynamic system amount of makeup water is less, demineralized water after part heat absorption is through plate type heat exchanger, get back to sweet-water tank, (summer is because environment temperature height is for reducing demineralized water temperature, ensure high temperature sampling rack cooling effect, must be come into operation plate type heat exchanger, by controlling industrial colling lateral pressure, be slightly less than demineralized water lateral pressure, periodic analysis plate type heat exchanger demineralized water sample tap simultaneously, demineralized water hardness, judge that whether plate type heat exchanger is normal) and so forth, and then reach available heat exchange, the object of recovery waste heat.
Original therrmodynamic system demineralized water is supplemented pipeline and has changed stainless steel pipes into and (comprise water by the utility model, vapour sample pipe), demineralized water is pumped to high temperature sampling rack through demineralized water and carrys out cooling down high-temperature water, vapour sample, through heat exchange, demineralized water temperature improves, deliver to oxygen-eliminating device program-controlled electric magnet valve to adjust supplementing water consumption, when unit needs supplementing water few, demineralized water gets back to sweet-water tank, then repeat to deliver to high temperature sampling rack through desalination water pump and carry out cooling water, vapour sample, go round and begin again, water temperature improves constantly, because the most high energy of environment temperature height demineralized water temperature reaches 55 DEG C when summer, at this time coming into operation, (namely demineralized water enters plate type heat exchanger to plate type heat exchanger, cooling and desalting water is carried out with industry water, industry water after heat absorption gets back to circulating water pool, water as a supplement, the heat exchange area of plate type heat exchanger calculates according to heat exchange amount, the annual plate type heat exchanger only needing to come into operation in summer 2 ~ 3 months, because environment temperature is low when winter, reduction sweet-water tank water level is adopted for improving demineralized water temperature, through recuperated cycle, demineralized water temperature can reach 30 DEG C, such temperature is the best regeneration temperature of ion-exchanger, this ensure that the regeneration effect of ion-exchanger, avoid the pollution of ion-exchanger simultaneously, decrease acid, alkali regenerant consumption, protect environment, improve effluent quality and the water production in periodic mode of ion-exchanger simultaneously.
To sum up, the utility model accomplishes the end in view.
Claims (7)
1. water, vapour sample waste-heat recovery device, described waste-heat recovery device adopts split-type structural, comprise sweet-water tank, except salt pump group, high temperature sampling rack, plate type heat exchanger, phosphate medicine-chest, feed-tank, boiler, pH meter measuring tank, soda acid injector, ion-exchanger, it is characterized in that: described sweet-water tank outlet is connected with except the import of salt pump group by pipeline, described except salt pump group outlet be connected with high temperature sampling rack and ion-exchanger respectively, described high temperature sampling rack by pipeline respectively with feed-tank, phosphate medicine-chest, plate type heat exchanger connects, described plate type heat exchanger outlet is connected with sweet-water tank import by pipeline, described feed-tank is connected with boiler, the pH meter measuring tank pipeline of described ion-exchanger import being provided with soda acid injector and being connected with soda acid injector.
2. water according to claim 1, vapour sample waste-heat recovery device, is characterized in that, the pipeline between described high temperature sampling rack and feed-tank is also provided with chlorine remover.
3. water according to claim 1, vapour sample waste-heat recovery device, is characterized in that, described plate type heat exchanger exit is also parallel with the return duct be connected with its import.
4. water according to claim 1, vapour sample waste-heat recovery device, is characterized in that, described except salt pump group by No. one that is arranged in parallel except salt pump, No. two form except salt pump, regenerative pump.
5. water according to claim 1, vapour sample waste-heat recovery device, it is characterized in that, described ion-exchanger is connected with regenerative pump, high temperature sampling rack with No. one that is arranged in parallel except salt pump, No. two be connected except salt pump.
6. water according to claim 1, vapour sample waste-heat recovery device, is characterized in that, described pipeline is stainless steel pipes.
7. water according to claim 1, vapour sample waste-heat recovery device, is characterized in that, described high temperature sampling rack heat exchanger is dish-type pipe heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180318.2U CN204648199U (en) | 2015-03-30 | 2015-03-30 | Water, vapour sample waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180318.2U CN204648199U (en) | 2015-03-30 | 2015-03-30 | Water, vapour sample waste-heat recovery device |
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| Publication Number | Publication Date |
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| CN204648199U true CN204648199U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520180318.2U Expired - Fee Related CN204648199U (en) | 2015-03-30 | 2015-03-30 | Water, vapour sample waste-heat recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469355A (en) * | 2018-06-08 | 2018-08-31 | 华能国际电力股份有限公司 | A kind of power plant carbonated drink sampler and sampling method on the spot |
-
2015
- 2015-03-30 CN CN201520180318.2U patent/CN204648199U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469355A (en) * | 2018-06-08 | 2018-08-31 | 华能国际电力股份有限公司 | A kind of power plant carbonated drink sampler and sampling method on the spot |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20180330 |