CN206310577U - Smeltery's low temperature exhaust heat recovery system - Google Patents
Smeltery's low temperature exhaust heat recovery system Download PDFInfo
- Publication number
- CN206310577U CN206310577U CN201621373659.2U CN201621373659U CN206310577U CN 206310577 U CN206310577 U CN 206310577U CN 201621373659 U CN201621373659 U CN 201621373659U CN 206310577 U CN206310577 U CN 206310577U
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- CN
- China
- Prior art keywords
- heat exchanger
- heat
- water pump
- plate type
- recovery system
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- 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.)
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- 238000011084 recovery Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000002253 acid Substances 0.000 claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000011010 flushing procedure Methods 0.000 claims abstract description 8
- 230000004087 circulation Effects 0.000 claims description 13
- 239000002918 waste heat Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses a kind of smeltery's low temperature exhaust heat recovery system, it includes exhaust heat of slag flushing water recovery system, absorbs sour residual neat recovering system and dries acid residual neat recovering system；Exhaust heat of slag flushing water recovery system includes pipe heat exchanger, water pump A, filter A, slag bath and water pump B；Absorbing sour residual neat recovering system includes plate type heat exchanger A, absorbs sour cooling tower, absorbs acid cooler, water pump C, filter B and water pump D；Dry acid residual neat recovering system include plate type heat exchanger B, absorption heat pump, steam boiler, dry acid cooling tower, dry acid cooler, water pump E, filter C, water pump F and water pump G.It can reclaim washing slag water, absorbs acid and dry acid low temperature exhaust heat, and 70 DEG C or so of hot water is provided for city thermal pipe network.And simple structure, easily realization, recovering effect are good.
Description
Technical field
The utility model belongs to waste heat recovery equipment technology field, especially a kind of smeltery's low temperature exhaust heat recovery system.
Background technology
At present, suitable low of the recovery utilization rate of smeltery's waste heat, wherein, most of high-temperature residual heat be easily recycled and
It has been be recovered that, and low temperature exhaust heat accounts for the 35% of total waste heat, reclaims almost nil.
Such as the waste heat of washing slag water, most of to be all wasted, washing slag water heat source temperature is relatively low, but its flow is suitable
Greatly, and washing slag water has certain corrosivity, reclaim the waste heat of blast furnace slag quenching water, can energy saving, and can environmental protection.
Low temperature heat energy during metallurgical off-gas acid-making in dry and absorption system, for a long time except a small number of manufacturing enterprises are used to heat
Outside industrial water and domestic water, typically all removed with recirculated cooling water and wasted, the recovery of used heat in gas washing in SA production
Producing level has turned into an important indicator for weighing sulfuric acid industry technology.In today of energy growing tension, reasonable development profit
With smeltery's washing slag water and the low temperature exhaust heat of acid-making process, it is of great immediate significance.
The content of the invention
The purpose of this utility model is to provide a kind of smeltery's low temperature exhaust heat recovery system, it can reclaim washing slag water,
Absorb acid and dry acid low temperature exhaust heat, 70 DEG C or so of hot water is provided for city thermal pipe network.
What the technical scheme that the utility model is used was realized in：A kind of smeltery's low temperature exhaust heat recovery system, its
It is characterised by：It includes exhaust heat of slag flushing water recovery system, absorbs sour residual neat recovering system and dries acid residual neat recovering system；Flushing cinder
Water residual neat recovering system includes pipe heat exchanger, pipe heat exchanger inner loop pipeline connection water pump A, filter A and slag bath, tubular type
Heat exchanger external circulation line connects water pump B and heat supply network pipeline；Absorbing sour residual neat recovering system includes plate type heat exchanger A, board-like to change
Hot device A inner loop pipelines connection absorbs sour cooling tower, absorbs acid cooler, water pump C and filter B, plate type heat exchanger A outer circulations
Pipeline connection water pump D and heat supply network pipeline；Drying acid residual neat recovering system includes plate type heat exchanger B, absorption heat pump and to absorption
Formula heat pump provides the steam boiler of driving heat source, and the connection of plate type heat exchanger B inner loop pipelines dries acid cooling tower, dries acid cooling
Device, water pump E and filter C, the circulation line between plate type heat exchanger B and absorption heat pump connects water pump F, outside absorption heat pump
Circulation line connects water pump G and heat supply network pipeline.
Further, described pipe heat exchanger is made up of four tubular heat exchangers, and two tubular heat exchanger difference are simultaneously
Two groups are unified into, two groups are connected in series again.
Further, described plate type heat exchanger A is made up of the plate type heat exchanger of five parallel connections.
Further, described plate type heat exchanger B is made up of the plate type heat exchanger of three parallel connections.
The utility model has the advantage of：
The waste heat and metallurgical off-gas acid-making technique that the utility model is capable of reclaiming smelting factory washing slag water dry and absorb operation
In waste heat, the difficult low-temperature heat source for reclaiming in smeltery is all recycled utilization, and 70 DEG C or so of heat is provided for heat supply network pipeline
Water, with significant economic benefit and social benefit.
The cooling tower of the utility model acid-making process divides into the sour cooling tower of absorption and dries acid cooling tower, effectively will be low
Warm cooling water and high-temperature cooling water are separated, and the cooling water for drying acid cooling tower lower temperature absorbs remaining by plate type heat exchanger
After heat, then temperature is improved by absorption heat pump, thereby may be ensured that total supply water temperature is incorporated to the requirement of heat supply network.
Residual neat recovering system simple structure of the present utility model, easily realization, recovering effect are good.
Brief description of the drawings
Tu1Shi the utility model smeltery low temperature exhaust heat recovery system schematic diagram；
In figure：1- pipe heat exchangers, 2- water pumps A, 3- filter A, 4- slag bath, 5- water pumps B, 6- heat supply network pipeline, 7- is board-like
The sour cooling tower of heat exchanger A, 8- absorption, 9- absorption acid coolers, 10- water pumps C, 11- filter B, 12- water pumps D, 13- is board-like to be changed
Hot device B, 14- absorption heat pumps, 15- steam boilers, 16- dries sour cooling tower, and 17- dries acid cooler, 18- water pumps E, 19-
Filter C, 20- water pump F, 21- water pump G.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of smeltery's low temperature exhaust heat recovery system, it includes exhaust heat of slag flushing water recovery system, absorbs acid
Residual neat recovering system and dry acid residual neat recovering system；Exhaust heat of slag flushing water recovery system includes pipe heat exchanger 1, pipe heat exchanger
1 inner loop pipeline connection water pump A2, filter A3 and slag bath 4, the external circulation line of pipe heat exchanger 1 connection water pump B5 and heat supply network pipe
Road 6；Absorbing sour residual neat recovering system includes plate type heat exchanger A7, and the connection of plate type heat exchanger A7 inner loop pipelines absorbs sour cooling tower
8th, acid cooler 9, water pump C10 and filter B 11, plate type heat exchanger A7 external circulation lines connection water pump D12 and heat supply network pipe are absorbed
Road 6；Drying acid residual neat recovering system includes plate type heat exchanger B13, absorption heat pump 14 and is provided to absorption heat pump to drive heat
The steam boiler 15 in source, plate type heat exchanger B13 inner loop pipelines connection dries acid cooling tower 16, dries acid cooler 17, water pump
E18 and filter C19, the circulation line between plate type heat exchanger B13 and absorption heat pump 14 connects water pump F20, absorption type heat
The external circulation line of pump 14 connects water pump G21 and heat supply network pipeline 6.Described pipe heat exchanger 1 is made up of four tubular heat exchangers,
Two tubular heat exchangers respectively and are unified into two groups, and two groups are connected in series again.Described plate type heat exchanger A7 by five simultaneously
The plate type heat exchanger composition of connection.Described plate type heat exchanger B13 is made up of the plate type heat exchanger of three parallel connections.
Finally it should be noted that above specific embodiment is only used to illustrate the technical solution of the utility model, rather than
Limitation to the utility model protection domain, the letter that one of ordinary skill in the art is carried out to the technical solution of the utility model
Single modification or equivalent, all without departing from the spirit and scope of technical solutions of the utility model.
Claims (4)
1. a kind of smeltery's low temperature exhaust heat recovery system, it is characterised in that：It includes exhaust heat of slag flushing water recovery system, absorbs more than acid
Heat recovery system and dry acid residual neat recovering system；Exhaust heat of slag flushing water recovery system includes pipe heat exchanger, in pipe heat exchanger
Circulation line connection water pump A, filter A and slag bath, pipe heat exchanger external circulation line connection water pump B and heat supply network pipeline；Absorb
Sour residual neat recovering system includes plate type heat exchanger A, and the sour cooling tower of plate type heat exchanger A inner loop pipelines connection absorption, absorption acid are cold
But device, water pump C and filter B, plate type heat exchanger A external circulation lines connection water pump D and heat supply network pipeline；Dry acid waste heat recovery system
System includes plate type heat exchanger B, absorption heat pump and the steam boiler of driving heat source, plate type heat exchanger B is provided to absorption heat pump
Inner loop pipeline connection dries acid cooling tower, dries acid cooler, water pump E and filter C, plate type heat exchanger B and absorption type heat
Circulation line connection water pump F between pump, absorption heat pump external circulation line connection water pump G and heat supply network pipeline.
2. low temperature exhaust heat recovery system in smeltery's according to claim 1, it is characterised in that：Described pipe heat exchanger by
Four tubular heat exchangers composition, two tubular heat exchangers respectively and are unified into two groups, and two groups are connected in series again.
3. low temperature exhaust heat recovery system in smeltery's according to claim 1 and 2, it is characterised in that：Described plate-type heat-exchange
Device A is made up of the plate type heat exchanger of five parallel connections.
4. low temperature exhaust heat recovery system in smeltery's according to claim 3, it is characterised in that：Described plate type heat exchanger B
It is made up of the plate type heat exchanger of three parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373659.2U CN206310577U (en) | 2016-12-07 | 2016-12-07 | Smeltery's low temperature exhaust heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373659.2U CN206310577U (en) | 2016-12-07 | 2016-12-07 | Smeltery's low temperature exhaust heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206310577U true CN206310577U (en) | 2017-07-07 |
Family
ID=59252736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621373659.2U Expired - Fee Related CN206310577U (en) | 2016-12-07 | 2016-12-07 | Smeltery's low temperature exhaust heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206310577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739123A (en) * | 2020-05-29 | 2021-12-03 | 中国石油化工股份有限公司 | Low-temperature heat recovery process for refinery plant |
-
2016
- 2016-12-07 CN CN201621373659.2U patent/CN206310577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739123A (en) * | 2020-05-29 | 2021-12-03 | 中国石油化工股份有限公司 | Low-temperature heat recovery process for refinery plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 024005 West Station Street, Songshan District, Chifeng, the Inner Mongolia Autonomous Region, No. 8 Patentee after: He ran energy conservation Co.,Ltd. Address before: 024005 West Station Street, Songshan District, Chifeng, the Inner Mongolia Autonomous Region, No. 8 Patentee before: CHIFENG HERAN ENERGY-SAVING MANAGEMENT CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 024005 the Inner Mongolia Autonomous Region Chifeng kelaqinqi and Trade Industrial Park building B19 No. 010311 Patentee after: He ran energy conservation Co.,Ltd. Address before: 024005 West Station Street, Songshan District, Chifeng, the Inner Mongolia Autonomous Region, No. 8 Patentee before: He ran energy conservation Co.,Ltd. |
|
| 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: 20170707 Termination date: 20211207 |