CN107906505A - A kind of method and system of depth recovered steam condensation water - Google Patents
A kind of method and system of depth recovered steam condensation water Download PDFInfo
- Publication number
- CN107906505A CN107906505A CN201711104728.9A CN201711104728A CN107906505A CN 107906505 A CN107906505 A CN 107906505A CN 201711104728 A CN201711104728 A CN 201711104728A CN 107906505 A CN107906505 A CN 107906505A
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- water
- heat
- steam
- temperature
- outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 238000009833 condensation Methods 0.000 title claims abstract description 34
- 230000005494 condensation Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 43
- 230000006835 compression Effects 0.000 claims abstract description 37
- 238000007906 compression Methods 0.000 claims abstract description 37
- 239000007921 spray Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000006392 deoxygenation reaction Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
Abstract
A kind of method and system of depth recovered steam condensation water, it is connected through flash tank secondary flash, heat exchanger heat exchange, absorption heat pump with mixed bed, heat exchanger, the secondary use of steam is realized into pipe network with low or medium pressure using the compression increasing temperature and pressure of vapour compression machine 7, realize and condense water depth recovery system, ensure abundant recycling and the Load Regulation of condensation water, depth recycles condensed water flashing heat, realize that the heat of condensation water is fully recycled to recycle with water resource, the utilization ratio of condensation water is improved, economy protrudes.
Description
Technical field
The present invention relates to technical field of energy saving and environmental protection, particularly relates to a kind of method of depth recovered steam condensation water and is
System.
Background technology
Substantial amounts of steam is consumed in industrial circle at present, there are the discharge of substantial amounts of condensation water, condensation water contains higher heat,
Present condensate-water polishing uses open installation more, causes substantial amounts of secondary flash vapour to be discharged into air, causes heat and water to provide
Source wastes.In addition, as shown in Figure 1, different degrees of pollution occurs by the used steam of industrial process, it is necessary to purify place
Reason purified treatment is generally required removes zwitterion, deoxygenation processing by the filtering of reverse osmosis precision, mixed bed, need to pass through heat release, inhale
Hot two processes, at present mainly using heat exchanger heat release, heat absorption, there are substantial amounts of heat to scatter and disappear.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of method and system of depth recovered steam condensation water, improve
Utilization efficiency of heat energy, reduces thermal energy pollution and water resource waste.
To realize above-mentioned technical purpose, used technical solution is：A kind of method of depth recovered steam condensation water, bag
Include following steps:
Step 1: steam condensation water enters flash tank, the steam that flash tank produces enters vapour compression machine, and vapour compression machine is by steam
Increasing temperature and pressure is compressed, discharges from vapour compression machine compression outlet and then is mixed with shower water, entered after cooling as low-pressure steam
Pipe network；
Step 2: condensed water cools down through condensate pump into heat exchanger heat release in flash tank, inflow temperature is 60-70 DEG C, is being changed
The interior heat exchange of hot device is cooled to 30-38 DEG C as low-temperature heat source and enters absorption heat pump；
Step 3: further cooling down in absorption heat pump, mixed bed is discharged into from absorption heat pump at 25-35 DEG C or so, is passed through
Enter sweet-water tank after mixed bed；
Step 4: entering heat exchanger heat absorption heating by 25-35 DEG C or so of cold water of sweet-water tank discharge, water temperature is raised to 55-65
DEG C, then absorption heat pump is discharged into by heat exchanger and continues heat absorption heating as hot water, temperature is raised to 68-75 DEG C by absorption type heat
Pump discharge, the high temperature heat source of absorption heat pump 4 use high-temperature steam.
Further, 68-75 DEG C of hot water of absorption heat pump discharge heats to 100-110 DEG C by deoxygenation by follow-up
Reheat and recycle into steam boiler after device deoxygenation.
System used in a kind of method of depth recovered steam condensation water, including vapour compression machine, flash tank, condensation water
Pump, heat exchanger, absorption heat pump, mixed bed and sweet-water tank, the steam (vapor) outlet of flash tank and the steam inlet phase of vapour compression machine
Connection, is equipped with spray water system at the compression outlet of vapour compression machine, and the condensation water out I of flash tank is by condensate pump with changing
The thermal source inlet connection of hot device, the thermal source outlet of heat exchanger and the low-temperature heat source entrance of absorption heat pump connect, absorption heat pump
Low-temperature heat source outlet be connected with mixed bed water inlet, the water inlet connection of the water outlet of mixed bed and sweet-water tank, sweet-water tank
The low-temperature inlet of water outlet and heat exchanger connects, and the hot outlet of heat exchanger and the high-temperature-hot-water entrance of absorption heat pump connect.
Low pressure steam line phase of the compression outlet of vapour compression machine of the present invention after spray water system with pipe network
Even.
Present invention has the advantages that：This patent is used using flash tank, absorption heat pump, vapour compression machine and heat exchanger as core
Condensed water flashing heat is recycled in the condensation water depth recovery system of the heart, the abundant recycling and Load Regulation, depth for ensureing condensation water,
Realize that the heat of condensation water is fully recycled to recycle with water resource, improve the utilization ratio of condensation water, economy protrudes.
Brief description of the drawings
Fig. 1 is the structure diagram of the prior art；
Fig. 2 is the structure diagram of the present invention；
In figure：1st, flash tank, 2, condensate pump, 3, heat exchanger, 4, absorption heat pump, 5, mixed bed, 6, sweet-water tank, 7, vapour pressure
Contracting machine, 8, condense water inlet, 9, shower water, 10, low pressure steam line, 11, spray water system, 12, steam (vapor) outlet, 13, condense
Water out I, 31, thermal source inlet, 32, thermal source outlet, 33, low-temperature inlet, 34, hot outlet, 41, low-temperature heat source entrance, 42, low
Temperature-heat-source exports, and 43, high-temperature-hot-water entrance, 44, high-temperature-hot-water outlet, 45, high-temperature steam import, 46, condense water out II,
47th, condensation water tank, 48, heater, 49, oxygen-eliminating device, 50, steam boiler.
Embodiment
The present invention is illustrated with reference to the drawings and specific embodiments, still, the invention is not limited in these embodiments.
As shown in Fig. 2, a kind of method of depth recovered steam condensation water, comprises the following steps:
Step 1: steam condensation water enters flash tank 1 from water inlet 8 is condensed, the steam that flash tank 1 produces enters from steam (vapor) outlet 12
The steam inlet of vapour compression machine 7, vapour compression machine 7 discharge both vapor compression increasing temperature and pressure from 7 compression outlet of vapour compression machine
Then the shower water 9 sprayed with spray water system 11 mixes, and enters after cooling as low-pressure steam from low pressure steam line 10 and manages
Net；
Step 2: condensed water is discharged by condensing water out I in flash tank 1, enter through condensate pump 2 from thermal source inlet 31 and exchange heat
3 heat release of device cools down, and the inflow temperature of thermal source inlet is 60-70 DEG C, in heat exchanger heat exchange be cooled to 30-38 DEG C and be used as Low Temperature Thermal
Source is discharged by heat exchanger thermal source outlet 32, enters absorption heat pump 4 from low-temperature heat source entrance 41；
Step 3: further cooling down in absorption heat pump 4, mixed bed 5 is discharged into from low-temperature heat source outlet 42 at 25-35 DEG C,
The zwitterion brought in technical process is removed, subsequently into sweet-water tank 6；
Step 4: absorbed heat by 25-35 DEG C of the cold water that the water outlet of sweet-water tank 6 is discharged by low-temperature inlet 33 into heat exchanger 3
Heating, water temperature are raised to 55-65 DEG C, are discharged by hot outlet 34 and are used as hot water into absorption heat pump 4 through high-temperature-hot-water entrance 43
Heat absorption heating, temperature are raised to 68-75 DEG C and are steamed by 44 discharge of high-temperature-hot-water outlet, the high temperature heat source of absorption heat pump 4 using high temperature
Vapour, high-temperature steam are passed through by high-temperature steam import 45, and the condensed water of formation is discharged by condensation water out II；
Step 5: 104 DEG C are heated to by oxygen-eliminating device by follow-up by 68-75 DEG C of hot water of 44 discharge of high-temperature-hot-water outlet
Reheat and recycle into steam boiler after deoxygenation.
Using water depth recovery method is condensed, realize to the recycling of the depth of condensation water, fully recycle heat and
Water resource.
System used in a kind of method of depth recovered steam condensation water, including vapour compression machine 7, flash tank 1, condensation
Water pump 2, heat exchanger 3, absorption heat pump 4, mixed bed 5 and sweet-water tank 6, steam (vapor) outlet 12 and the vapour compression machine 7 of flash tank 1
Steam inlet is connected, and spray water system 11, the condensation water out I 13 of flash tank 1 are equipped with the compression outlet of vapour compression machine 7
It is connected by condensate pump 2 with the thermal source inlet 31 of heat exchanger 3, the thermal source outlet 32 of heat exchanger 3 and the low temperature of absorption heat pump 4
Thermal source inlet 41 connects, and the low-temperature heat source outlet 42 of absorption heat pump 4 is connected with 5 water inlet of mixed bed, and the water outlet of mixed bed 5 is with removing
The water inlet connection of brine tank 6, the water outlet of sweet-water tank 6 are connected with the low-temperature inlet 33 of heat exchanger 3, the high temperature of heat exchanger 3
Outlet 34 is connected with the high-temperature-hot-water entrance 43 of absorption heat pump 4.
The compression outlet of vapour compression machine 7 is connected after spray water system 11 with the low pressure steam line 10 of pipe network, for pipe
Net provides low-pressure steam.
（1）Flash tank 1, flash tank 1 are provided with using secondary flash, vapor-liquid separation, anti-vortex design and are condensed water inlet 8, steamed
Vapor outlet 12, condense water out I 13, and is connected with vapour compression machine 7, condensate pump 2, and inside sets level sensing to control dress
Put；
（2）Absorption heat pump 4, is connected with heat exchanger 3, mixed bed 5 respectively using absorption heat pump 4 of the steam as high temperature heat source；
（3）Condensation water passes sequentially through heat exchanger 3, absorption heat pump 4, mixed bed 5, and heat integration is realized by step heat release, heat absorption
Utilize；
（4）Steam realizes the secondary use of steam by the compression increasing temperature and pressure of vapour compression machine 7 into pipe network with low or medium pressure.
The above is only the specific descriptions of this patent preferred embodiments, it is every carried out on the basis of the technical program it is equal
Convert or apply mechanically and be not precluded within outside the scope of this patent.
Claims (4)
- A kind of 1. method of depth recovered steam condensation water, it is characterised in that：Comprise the following steps:Step 1: steam condensation water enters flash tank, the steam that flash tank produces enters vapour compression machine, and vapour compression machine is by steam Increasing temperature and pressure is compressed, discharges from vapour compression machine compression outlet and then is mixed with shower water, entered after cooling as low-pressure steam Pipe network；Step 2: condensed water cools down through condensate pump into heat exchanger heat release in flash tank, inflow temperature is 60-70 DEG C, is being changed The interior heat exchange of hot device is cooled to 30-38 DEG C as low-temperature heat source and enters absorption heat pump；Step 3: further cooling down in absorption heat pump, mixed bed is discharged into from absorption heat pump at 25-35 DEG C or so, is passed through Enter sweet-water tank after mixed bed；Step 4: entering heat exchanger heat absorption heating by 25-35 DEG C or so of cold water of sweet-water tank discharge, water temperature is raised to 55-65 DEG C, then absorption heat pump is discharged into by heat exchanger and continues heat absorption heating as hot water, temperature is raised to 68-75 DEG C by absorption type heat Pump discharge, the high temperature heat source of absorption heat pump 4 use high-temperature steam.
- A kind of 2. method of depth recovered steam condensation water as claimed in claim 1, it is characterised in that：Absorption heat pump is discharged 68-75 DEG C of hot water heat to 100-110 DEG C by being reheated after oxygen-eliminating device deoxygenation into steam boiler by follow-up Recycle.
- 3. system used in a kind of method of depth recovered steam condensation water as claimed in claim 1, it is characterised in that：Bag Include vapour compression machine（7）, flash tank（1）, condensate pump（2）, heat exchanger（3）, absorption heat pump（4）, mixed bed（5）And demineralized water Case（6）, flash tank（1）Steam (vapor) outlet（12）With vapour compression machine（7）Steam inlet be connected, vapour compression machine（7）'s Spray water system is equipped with compression outlet（11）, flash tank（1）Condensation water out I（13）Pass through condensate pump（2）With heat exchange Device（3）Thermal source inlet（31）Connection, heat exchanger（3）Thermal source outlet（32）With absorption heat pump（4）Low-temperature heat source entrance （41）Connection, absorption heat pump（4）Low-temperature heat source outlet（42）With mixed bed（5）Water inlet connects, mixed bed（5）Water outlet with Sweet-water tank（6）Water inlet connection, sweet-water tank（6）Water outlet and heat exchanger（3）Low-temperature inlet（33）Connection, heat exchange Device（3）Hot outlet（34）With absorption heat pump（4）High-temperature-hot-water entrance（43）Connection.
- 4. system used in a kind of method of depth recovered steam condensation water as claimed in claim 3, it is characterised in that：Institute The vapour compression machine stated（7）Compression outlet through spray water system（11）Afterwards with the low pressure steam line of pipe network（10）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104728.9A CN107906505B (en) | 2017-11-10 | 2017-11-10 | Method and system for deeply recycling steam condensate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104728.9A CN107906505B (en) | 2017-11-10 | 2017-11-10 | Method and system for deeply recycling steam condensate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107906505A true CN107906505A (en) | 2018-04-13 |
| CN107906505B CN107906505B (en) | 2024-01-26 |
Family
ID=61844723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711104728.9A Active CN107906505B (en) | 2017-11-10 | 2017-11-10 | Method and system for deeply recycling steam condensate |
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| Country | Link |
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| CN (1) | CN107906505B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027692A (en) * | 2018-09-26 | 2018-12-18 | 河南中烟工业有限责任公司 | Unsmooth device and control method are discharged in a kind of solution condensed water end |
| CN109297010A (en) * | 2018-09-26 | 2019-02-01 | 河南中烟工业有限责任公司 | A kind of power-equipment condensation water recovery system with water vapour compressor |
| CN114322595A (en) * | 2022-01-13 | 2022-04-12 | 山东飞洋节能技术有限公司 | Low-end-difference anti-corrosion efficient waste heat recovery energy-saving system and device |
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|---|---|---|---|---|
| KR20020050928A (en) * | 2000-12-22 | 2002-06-28 | 김형벽ㅂ | Control Method and Structure of Condensate of an Absorption Chiller with Hot Water Supply Function |
| CN201462797U (en) * | 2009-05-27 | 2010-05-12 | 王世英 | Steam condensate recycling and waste heat utilizing system |
| CN101788142A (en) * | 2009-05-27 | 2010-07-28 | 王世英 | Steam condensate water recovery treatment and residual-heat utilizing system and method thereof |
| CN102997224A (en) * | 2012-12-25 | 2013-03-27 | 浙江工商大学 | Power plant condensing heat recycle system |
| CN203769869U (en) * | 2014-01-06 | 2014-08-13 | 杭州沃润节能科技有限公司 | Waste heat recovery system for power plant |
| KR20150138661A (en) * | 2014-06-02 | 2015-12-10 | (주) 씨테크놀로지시스템 | The Coolant Waste Heat Recovery of Coal Fired Power Plant and Control Method |
| CN206036978U (en) * | 2016-06-26 | 2017-03-22 | 张高博 | Use condensate water heat recovery unit of vapor compressor as primary clustering |
| CN206291194U (en) * | 2016-12-05 | 2017-06-30 | 中冶华天工程技术有限公司 | A kind of gas generating system based on steel mill's saturated vapor Optimum utilization |
-
2017
- 2017-11-10 CN CN201711104728.9A patent/CN107906505B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020050928A (en) * | 2000-12-22 | 2002-06-28 | 김형벽ㅂ | Control Method and Structure of Condensate of an Absorption Chiller with Hot Water Supply Function |
| CN201462797U (en) * | 2009-05-27 | 2010-05-12 | 王世英 | Steam condensate recycling and waste heat utilizing system |
| CN101788142A (en) * | 2009-05-27 | 2010-07-28 | 王世英 | Steam condensate water recovery treatment and residual-heat utilizing system and method thereof |
| CN102997224A (en) * | 2012-12-25 | 2013-03-27 | 浙江工商大学 | Power plant condensing heat recycle system |
| CN203769869U (en) * | 2014-01-06 | 2014-08-13 | 杭州沃润节能科技有限公司 | Waste heat recovery system for power plant |
| KR20150138661A (en) * | 2014-06-02 | 2015-12-10 | (주) 씨테크놀로지시스템 | The Coolant Waste Heat Recovery of Coal Fired Power Plant and Control Method |
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| CN206291194U (en) * | 2016-12-05 | 2017-06-30 | 中冶华天工程技术有限公司 | A kind of gas generating system based on steel mill's saturated vapor Optimum utilization |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027692A (en) * | 2018-09-26 | 2018-12-18 | 河南中烟工业有限责任公司 | Unsmooth device and control method are discharged in a kind of solution condensed water end |
| CN109297010A (en) * | 2018-09-26 | 2019-02-01 | 河南中烟工业有限责任公司 | A kind of power-equipment condensation water recovery system with water vapour compressor |
| CN114322595A (en) * | 2022-01-13 | 2022-04-12 | 山东飞洋节能技术有限公司 | Low-end-difference anti-corrosion efficient waste heat recovery energy-saving system and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107906505B (en) | 2024-01-26 |
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Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Applicant after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Applicant before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |
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