CN107328253A - A kind of My heat recovery system of sewage - Google Patents
A kind of My heat recovery system of sewage Download PDFInfo
- Publication number
- CN107328253A CN107328253A CN201710702124.8A CN201710702124A CN107328253A CN 107328253 A CN107328253 A CN 107328253A CN 201710702124 A CN201710702124 A CN 201710702124A CN 107328253 A CN107328253 A CN 107328253A
- Authority
- CN
- China
- Prior art keywords
- heat
- waste
- heat recovery
- steam
- sewage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 48
- 239000010865 sewage Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000002918 waste heat Substances 0.000 claims abstract description 28
- 239000008235 industrial water Substances 0.000 claims abstract description 25
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 11
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007785 strong electrolyte Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/50—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers for draining or expelling water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B3/00—Condensers in which the steam or vapour comes into direct contact with the cooling medium
- F28B3/02—Condensers in which the steam or vapour comes into direct contact with the cooling medium by providing a flowing coating of cooling liquid on the condensing surface
Abstract
The invention discloses a kind of My heat recovery system of sewage, including regular unloading container, heat-exchanger rig and waste-heat recovery device, regular unloading container is provided with waterwater entrance, steam (vapor) outlet and wastewater outlet；Heat-exchanger rig is connected with steam (vapor) outlet, and steam is passed through that direction is vertical with the heat exchanger plates of heat-exchanger rig, and heat exchanger plates are provided with multiple through holes；Heat-exchanger rig is respectively arranged with industrial water inlet and industrial water out in the relative both sides for being passed through direction perpendicular to steam, and the drainpipe that industrial water out is connected by pipeline with wastewater outlet is connected；Waste-heat recovery device is connected with drainpipe, the waste heat for reclaiming waste water in drainpipe.The recovery system absorbs indirect steam and its heat of carrying by heat-exchanger rig, indirect steam chance water cooling is congealed into the industry water containing heat, and enter after the spent hot water's mixing separated with regular unloading container in waste-heat recovery device and carry out waste heat recovery, it is to avoid the waste of heat and industry water.
Description
Technical field
The present invention relates to heat recovery technology field, more particularly to a kind of My heat recovery system of sewage.
Background technology
At present, thermal power plant is typically generated electricity using boiler steam and water circuit.Boiler steam and water circuit work certain time after,
Need to carry out continuous blowdown and periodical blowdown to boiler, so that while boiler steam and water circuit security is ensured, it is ensured that boiler
The quality of stove water in boiler circuit, so as to improve the service life of boiler steam and water circuit.
At present, boiler steam and water circuit is during blowdown, and boiler can lose part high-quality stove device of working medium.For the row of recovery
The high-quality working medium lost during dirt, is generally provided with continuous blowdown flash tank and periodical blowdown dilatation in drainage end
Device.Wherein, regular unloading container is the final stage and main sewerage equipment of drainage, and the main source of the working medium of its entrance has
Boiler arranges the hydrophobic main pipe of main pipe, boiler, continuous blowdown flash tank, continuous blowdown flash tank branch road and oxygen-eliminating device emergency blowoff surely
Deng, multichannel working medium passes through regular unloading container, by decompression, dilatation isolate indirect steam and spent hot water's two parts.
In the prior art, the indirect steam isolated by regular unloading container dilatation will be directly discharged into air.One
Contain amount of heat in aspect, indirect steam, be directly discharged in air cause thermal loss；On the other hand, indirect steam exists
Liquefy, form " white cigarette " in air, influence the operation in thermal power plant, there is potential safety hazard.
In addition, also containing amount of heat in spent hot water, spent hot water, which directly discharges, will cause in thermal pollution, currently available technology
, it is necessary to which a large amount of industry waters carry out cooling processing to spent hot water in the discharge process of spent hot water, then pond is received by flowing back to surely
Trench is discharged into, the double loss of industry water and heat is thus caused.
The content of the invention
It is an object of the invention to propose that a kind of steam that reduces loses, it is to avoid waste heat and the waste water residual heat of industrial water waste are returned
Receipts system.
For up to this purpose, the present invention uses following technical scheme：
A kind of My heat recovery system of sewage, including：
Regular unloading container, is provided with waterwater entrance, steam (vapor) outlet and wastewater outlet；
Heat-exchanger rig, is connected with the steam (vapor) outlet, and the heat exchanger plates for being passed through direction and the heat-exchanger rig of steam hang down
Directly, the heat exchanger plates are provided with multiple through holes；
The heat-exchanger rig is respectively arranged with industry water in the relative both sides for being passed through direction perpendicular to the steam and entered
Mouth and industrial water out；
Waste-heat recovery device, is connected with the industrial water out and the wastewater outlet respectively by drainpipe, for returning
Receive the waste heat of waste water in drainpipe.
Wherein, the heat-exchanger rig is provided with least two heat exchanger plates be arrangeding in parallel, and each heat exchanger plates are corresponded to
It is provided with an industrial water inlet and an industrial water out.
Wherein, multiple through holes are distributed on the heat exchanger plates in the form of an array.
Wherein, the through hole stagger arrangement distribution on two adjacent heat exchanger plates.
Wherein, the upper end of the regular unloading container, which is provided with, determines row's safety valve.
Wherein, the waste-heat recovery device includes plate type heat exchanger, the drainpipe and the first of the plate type heat exchanger
Entrance is connected, and the first outlet of the plate type heat exchanger is connected by pipeline with waste liquid pool；The medium of the plate type heat exchanger enters
Mouth is connected by pipeline with medium source, and the media outlet of the plate type heat exchanger is connected by pipeline with heating system.
Wherein, the medium is desalted water, and the heating system is boiler steam and water circuit.
Wherein, the drainpipe is additionally provided with filter.
Wherein, above-mentioned all pipelines are provided with regulating valve, the flow for adjusting the fluids within pipes.
Wherein, the quantity of the regular unloading container is multiple, and each regular unloading container is provided with one
The individual heat-exchanger rig, each regular unloading container is connected by the drainpipe with the waste-heat recovery device.
Beneficial effect：The invention provides a kind of My heat recovery system of sewage, including regular unloading container, heat-exchanger rig
And waste-heat recovery device, regular unloading container is provided with waterwater entrance, steam (vapor) outlet and wastewater outlet；Heat-exchanger rig and institute
State steam (vapor) outlet connection, and steam is passed through that direction is vertical with the heat exchanger plates of the heat-exchanger rig, the heat exchanger plates are provided with many
Individual through hole；The heat-exchanger rig is respectively arranged with industrial water inlet in the relative both sides for being passed through direction perpendicular to the steam
With industrial water out, the drainpipe that the industrial water out is connected by pipeline with the wastewater outlet is connected；Waste heat recovery is filled
Put and connected with the drainpipe, the waste heat for reclaiming waste water in drainpipe.The My heat recovery system of sewage passes through heat-exchanger rig
Indirect steam and its heat of carrying are absorbed, indirect steam chance water cooling is congealed into the industry water containing indirect steam heat and with determining
Enter after spent hot water's mixing of phase blowdown system separation in waste-heat recovery device and carries out pre- recuperation of heat, it is to avoid heat and industry
The waste of water, more energy-saving and environmental protection.
Brief description of the drawings
Fig. 1 is the structural representation one of My heat recovery system of sewage provided in an embodiment of the present invention；
Fig. 2 is the structural representation two of My heat recovery system of sewage provided in an embodiment of the present invention.
Wherein：
1st, regular unloading container；11st, waterwater entrance；12nd, steam (vapor) outlet；13rd, wastewater outlet；
2nd, heat-exchanger rig；21st, heat exchanger plates；22nd, industrial water inlet；23rd, industrial water out；
3rd, waste-heat recovery device；31st, first entrance；32nd, first outlet；33rd, medium inlet；34th, media outlet；
4th, receipts pond is flow back to surely；41st, draining pump；5th, filter；6th, regulating valve.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
Technical scheme is further illustrated with reference to accompanying drawing and by embodiment.
As shown in figure 1, a kind of My heat recovery system of sewage is present embodiments provided, including regular unloading container, heat exchange
Device 2 and waste-heat recovery device 3, regular unloading container are provided with waterwater entrance 11, steam (vapor) outlet 12 and wastewater outlet 13；
Heat-exchanger rig 2 is connected with steam (vapor) outlet 12, and, the heat exchanger plates 21 vertical with the heat exchanger plates 21 of heat-exchanger rig 2 that are passed through direction of steam
It is provided with multiple through holes；Heat-exchanger rig 2 is respectively arranged with industry water in the relative both sides for being passed through direction perpendicular to steam and entered
Mouth 22 and industrial water out 23；Waste-heat recovery device 3 is connected with industrial water out 23 and wastewater outlet 13 respectively by drainpipe,
Waste heat for reclaiming waste water in drainpipe.The My heat recovery system of sewage absorbs indirect steam by heat-exchanger rig 2 and its taken
The heat of band, meets water cooling by indirect steam and congeals into the industry water containing indirect steam heat and separate with regular unloading container
Enter after spent hot water's mixing in waste-heat recovery device 3 and carries out pre- recuperation of heat, it is to avoid the waste of heat and industry water, more supernumerary segment
Energy, environmental protection.
Specifically, the spent hot water in thermal power plant isolates two after regular unloading container by decompression, dilatation
Secondary steam and spent hot water, indirect steam are entered in heat-exchanger rig 2 by the steam (vapor) outlet 12 of regular unloading container upper end, heat exchange
Include heat exchanger plates 21 in device 2, heat exchanger plates 21 are passed through direction perpendicular to steam.During work, heat-exchanger rig 2 is by industrial water inlet
22 are passed through industry water, and industry water is flowed out from industrial water inlet 22 to industrial water out 23, and industry water forms one on heat exchanger plates 21
Layer moisture film, indirect steam is contacted by the through hole on heat exchanger plates 21 with the moisture film that industry water is formed so that indirect steam liquefies simultaneously
Flowed out by industrial water out 23, so as to avoid indirect steam from being directly discharged in air, cause heat waste, hindering equipment just
Often work.
The quantity of through hole on heat exchanger plates 21 is multiple, and multiple through holes can be distributed according to array way, can also set
Many exhausting holes, are staggered so that indirect steam is contacted uniformly through heat exchanger plates 21 and with moisture film per exhausting hole, reduction steam
Waste.
At least two heat exchanger plates 21 can be set further to absorb in indirect steam, heat-exchanger rig 2, heat exchanger plates 21 are parallel
Set, heat-exchanger rig 2 is respectively arranged with an industrial water inlet 22 and an industry at the corresponding two ends of each heat exchanger plates 21
Water out 23 so that the upper end of each heat exchanger plates 21 is respectively formed water membrane.When indirect steam passes through first layer moisture film, part is steamed
Vapour-liquid is discharged with industry water, and remaining indirect steam is contacted saturated vapor is formed and liquefied with the moisture film on upper strata, by setting
Put multiple heat exchanger plates 21 and form multilayer moisture film, the degree of absorption of indirect steam can be improved, place indirect steam with industry water
From the outflow of the industrial side of water out 23.
When heat-exchanger rig 2 is provided with the heat exchanger plates 21 that at least two be arranged in parallel, on two adjacent heat exchanger plates 21
Through hole can be distributed with stagger arrangement so that indirect steam can be contacted with moisture film, improve the absorption efficiency of indirect steam.
To avoid in regular unloading container, indirect steam amount is excessive, causes the pressure in regular unloading container to increase,
There is potential safety hazard, the upper end of blowdown system is also provided with determining row's safety valve, when the pressure in regular unloading container
During more than preset value, safety valve is arranged surely and is opened, the pressure in reduction regular unloading container, it is to avoid security incident occur.
Waste-heat recovery device 3 includes the first entrance 31 of plate type heat exchanger, drainpipe and plate type heat exchanger in the present embodiment
Connection, the first outlet 32 of plate type heat exchanger is connected by pipeline with waste liquid pool；The medium inlet 33 of plate type heat exchanger passes through pipe
Road is connected with medium source, and the media outlet 34 of plate type heat exchanger is connected by pipeline with heating system.By periodical blowdown dilatation
The spent hot water that device is excluded is entered in plate type heat exchanger by first entrance 31, and carries out heat friendship with the medium in plate type heat exchanger
After changing, the waste water of cooling is flowed into waste liquid pool to discharge or enter by first outlet 32 to be used in other process procedures, by heat
The higher medium of temperature after exchange, which will enter in heating system, to be utilized, so as to realize the recycling of waste heat.
Medium in the present embodiment in plate type heat exchanger is the desalted water of normal temperature, and desalted water refers to be easy to what is removed by contained
Strong electrolyte removes or is reduced to a certain degree of water, it is possible to reduce the incrustation scale in boiler.Heating system can be boiler carbonated drink
System, desalted water is exchanged heat by plate type heat exchanger and spent hot water, using the high heat exchange efficiency of plate type heat exchanger, can be passed heat
Desalted water is passed, heated desalted water enters after boiler steam and water circuit, improves the thermal efficiency of boiler steam and water circuit water circulation,
So as to improve the economical of unit.Cooled waste water, it is not necessary to by cooling processing, can be directly discharged to trench or
In pipeline, or it is stored in waste liquid pool so that other process procedures are used.
Filter, periodical blowdown dilatation are also provided with to avoid spent hot water from blocking on plate type heat exchanger, drainpipe
Filter can also be provided with device, with to used heat water filtration, it is to avoid pipeline or plate type heat exchanger are blocked.
In the present embodiment, the pipeline between each part is also provided with regulating valve 6, and regulating valve 6 is used to adjust in pipeline
The flow of fluid, so that heat is sufficiently reclaimed and utilized.
In the prior art, the spent hot water of general regular unloading container is discharged to by drainpipe flows back in receipts pond 4 surely, and
By determining at drainpipe row, downstream water thermal pollution is caused.As shown in Fig. 2 My heat recovery system of sewage in the present embodiment in order to
The equipment of compatible firepower electrical plant at present, the drainpipe of regular unloading container can be connected with flowing back to receipts pond 4 surely, and spent hot water is led to
Cross drainpipe and be stored in and flow back to surely in receipts pond 4, and connected by draining pump 41 and pipeline with waste-heat recovery device 3, can also
Realize the heat recovery of spent hot water.Pressure gauge and thermometer are additionally provided with the pipeline that waste-heat recovery device 3 is connected, can be with
Pressure and temperature in real-time monitored pipeline, the flow in each pipeline is adjusted according to pressure and temperature, it is to avoid occur security incident.
On the basis of the above, the quantity of the regular unloading container in the present embodiment can be multiple, each periodical blowdown
Flash vessel is provided with a heat-exchanger rig 2, and the drainpipe of each regular unloading container is connected with waste-heat recovery device 3,
Realize the indirect steam excluded to multiple regular unloading containers and the heat recovery of spent hot water.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Limitation.
Claims (10)
1. a kind of My heat recovery system of sewage, it is characterised in that including：
Regular unloading container, is provided with waterwater entrance (11), steam (vapor) outlet (12) and wastewater outlet (13)；
Heat-exchanger rig (2), is connected with the steam (vapor) outlet (12), and steam is passed through changing for direction and the heat-exchanger rig (2)
Vertically, the heat exchanger plates (21) are provided with multiple through holes to hot plate (21)；
The heat-exchanger rig (2) is respectively arranged with industrial water inlet in the relative both sides for being passed through direction perpendicular to the steam
And industrial water out (23) (22)；
Waste-heat recovery device (3), is connected with the industrial water out (23) and the wastewater outlet (13) respectively by drainpipe,
Waste heat for reclaiming waste water in drainpipe.
2. My heat recovery system of sewage as claimed in claim 1, it is characterised in that the heat-exchanger rig (2) is provided with least
Two heat exchanger plates (21) for be arrangeding in parallel, each heat exchanger plates (21) are correspondingly arranged on an industrial water inlet (22) and one
Individual industrial water out (23).
3. My heat recovery system of sewage as claimed in claim 2, it is characterised in that multiple through holes are distributed in the form of an array
In on the heat exchanger plates (21).
4. My heat recovery system of sewage as claimed in claim 3, it is characterised in that on two adjacent heat exchanger plates (21)
Through hole stagger arrangement distribution.
5. My heat recovery system of sewage as claimed in claim 1, it is characterised in that the upper end of the regular unloading container is set
It is equipped with and determines row's safety valve.
6. the My heat recovery system of sewage as any one of claim 1-5, it is characterised in that the waste-heat recovery device
(3) plate type heat exchanger is included, the drainpipe is connected with the first entrance (31) of the plate type heat exchanger, the plate type heat exchanger
First outlet (32) connected by pipeline with waste liquid pool；The medium inlet (33) of the plate type heat exchanger passes through pipeline and medium
Source is connected, and the media outlet (34) of the plate type heat exchanger is connected by pipeline with heating system.
7. My heat recovery system of sewage as claimed in claim 6, it is characterised in that the medium is desalted water, the heat supply
System is boiler steam and water circuit.
8. My heat recovery system of sewage as claimed in claim 6, it is characterised in that the drainpipe is additionally provided with filtering dress
Put.
9. My heat recovery system of sewage as claimed in claim 6, it is characterised in that above-mentioned all pipelines are provided with regulation
Valve (6), the flow for adjusting the fluids within pipes.
10. the My heat recovery system of sewage as any one of claim 1-5, it is characterised in that the periodical blowdown expands
The quantity of container is multiple, and each regular unloading container is provided with a heat-exchanger rig (2), each described fixed
Phase blowdown system is connected by the drainpipe with the waste-heat recovery device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702124.8A CN107328253A (en) | 2017-08-16 | 2017-08-16 | A kind of My heat recovery system of sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702124.8A CN107328253A (en) | 2017-08-16 | 2017-08-16 | A kind of My heat recovery system of sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107328253A true CN107328253A (en) | 2017-11-07 |
Family
ID=60200909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710702124.8A Withdrawn CN107328253A (en) | 2017-08-16 | 2017-08-16 | A kind of My heat recovery system of sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328253A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141059A (en) * | 2018-09-03 | 2019-01-04 | 亿利洁能科技(武威)有限公司 | It is a kind of to determine heat extraction and recovery device |
| CN112539406A (en) * | 2020-12-07 | 2021-03-23 | 江苏中伟机械制造有限公司 | A discharge flash tank for power plant discharges sewage |
| CN114001344A (en) * | 2021-10-12 | 2022-02-01 | 广州珠江电力有限公司 | Boiler waste heat, residual steam and waste water recovery system |
| CN114623432A (en) * | 2022-03-17 | 2022-06-14 | 陕西精益化工有限公司 | Exhaust steam recycling device of fixed-row flash tank |
| CN114659088A (en) * | 2022-03-14 | 2022-06-24 | 中国恩菲工程技术有限公司 | Dead steam energy collecting system and cooling water flow determining method |
-
2017
- 2017-08-16 CN CN201710702124.8A patent/CN107328253A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141059A (en) * | 2018-09-03 | 2019-01-04 | 亿利洁能科技(武威)有限公司 | It is a kind of to determine heat extraction and recovery device |
| CN109141059B (en) * | 2018-09-03 | 2023-12-15 | 亿利洁能科技(武威)有限公司 | Fixed heat removal recovery device |
| CN112539406A (en) * | 2020-12-07 | 2021-03-23 | 江苏中伟机械制造有限公司 | A discharge flash tank for power plant discharges sewage |
| CN112539406B (en) * | 2020-12-07 | 2023-12-19 | 江苏中伟机械制造有限公司 | Discharge expander for discharging sewage of power plant |
| CN114001344A (en) * | 2021-10-12 | 2022-02-01 | 广州珠江电力有限公司 | Boiler waste heat, residual steam and waste water recovery system |
| CN114001344B (en) * | 2021-10-12 | 2024-01-26 | 广州珠江电力有限公司 | Boiler waste heat, residual steam and waste water recovery system |
| CN114659088A (en) * | 2022-03-14 | 2022-06-24 | 中国恩菲工程技术有限公司 | Dead steam energy collecting system and cooling water flow determining method |
| CN114659088B (en) * | 2022-03-14 | 2024-02-06 | 中国恩菲工程技术有限公司 | Exhaust steam energy collecting system and cooling water flow determining method |
| CN114623432A (en) * | 2022-03-17 | 2022-06-14 | 陕西精益化工有限公司 | Exhaust steam recycling device of fixed-row flash tank |
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171107 |
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