CN207862375U - Blast furnace slag quenching water waste heat recovery reutilization system - Google Patents
Blast furnace slag quenching water waste heat recovery reutilization system Download PDFInfo
- Publication number
- CN207862375U CN207862375U CN201820275927.XU CN201820275927U CN207862375U CN 207862375 U CN207862375 U CN 207862375U CN 201820275927 U CN201820275927 U CN 201820275927U CN 207862375 U CN207862375 U CN 207862375U
- Authority
- CN
- China
- Prior art keywords
- water
- blast furnace
- furnace slag
- refrigeration unit
- slag quenching
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 239000002893 slag Substances 0.000 title claims abstract description 67
- 238000010791 quenching Methods 0.000 title claims abstract description 47
- 230000000171 quenching effect Effects 0.000 title claims abstract description 47
- 239000002918 waste heat Substances 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- 238000005057 refrigeration Methods 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 10
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000008235 industrial water Substances 0.000 claims abstract description 7
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000003723 Smelting Methods 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 13
- 238000011010 flushing procedure Methods 0.000 description 7
- 238000004064 recycling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- IPLONMMJNGTUAI-UHFFFAOYSA-M lithium;bromide;hydrate Chemical group [Li+].O.[Br-] IPLONMMJNGTUAI-UHFFFAOYSA-M 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Furnace Details (AREA)
Abstract
The utility model belongs to smelting wastewater recovery and reuse technology field, and in particular to a kind of blast furnace slag quenching water waste heat recovery reutilization system.In the system, blast furnace slag quenching water heat-exchanger rig is connected with refrigeration unit；It is connected by pipeline between the cooling water intake of refrigeration unit, cooling tower and the cooling water water return outlet of refrigeration unit；Refrigeration unit is connected with plate heat exchanger, and the outlet conduit of plate heat exchanger leads to industrial water workshop, and the water given off from industrial water workshop is connected with plate heat exchanger and refrigeration unit successively by pipeline；Refrigeration unit return water is connected with blast furnace slag quenching water heat-exchanger rig；There are triple valve, the lower end of triple valve to be connected with heating unit in the hot water effluent's pipeline of blast furnace slag quenching water heat-exchanger rig, the water outlet for the unit that heats is connected by pipeline with blast furnace slag quenching water heat-exchanger rig.
Description
Technical field
The utility model belongs to smelting wastewater recovery and reuse technology field, and in particular to a kind of blast furnace slag quenching water waste heat time
Receive reutilization system.
Background technology
According to the temperature levels of residual heat resources, residual heat resources can be divided into three classes：Be first high-temperature residual heat (>500 DEG C),
Its total amount accounts for about the 40% of residual heat resources total amount；Followed by medium temperature waste heat (200 DEG C~500 DEG C), total amount accounts for about residual heat resources
The 26% of total amount；Be finally low temperature exhaust heat (<200 DEG C), total amount accounts for about the 34% of residual heat resources total amount.Wherein high temperature waste heat has been
Basic recycling finishes, and low temperature exhaust heat recycling is almost nil.Low temperature exhaust heat, as blast furnace slag quenching water, flushing cinder steam exhaust, sintering flue gas and
The Typical Representative as low grade residual heat such as cold four sections of hot winds of ring, is concerned in recent years, especially for blast furnace slag flushing waste heat,
Because its recovery difficult is larger.
CN204625665U discloses a kind of blast furnace slag quenching water waste heat recycling heating installation, is related to blast furnace slag quenching water waste heat
Reutilization technology field.Above-mentioned utility model includes blast furnace slag flushing pond（4）, washing slag water be pressurized pump group（5）, washing slag water changes
Heat stations（9）, hot water circuit pump group（10）, which is characterized in that washing slag water is pressurized pump group（5）With blast furnace slag flushing pond（4）Connection, flushing cinder
Water heat exchange station（9）It is connected on washing slag water supercharging pump group（5）With blast furnace slag flushing pond（4）Between, hot water circuit pump group（10）Connection exists
Washing slag water heat exchange station（9）Between user's return water, the washing slag water heat exchange station（9）Including several groups heat exchanger arranged side by side（1）, often
Group heat exchanger（1）One end be communicated with washing slag water water inlet pipe and heating outlet pipe, the other end is communicated with cooling water outlet pipe and confession
Warm return pipe is pressurized pump group through washing slag water（5）The washing slag water of supercharging enters washing slag water heat exchange through filter from washing slag water water inlet pipe
It stands（9）, the cooling circulating water after heating enters washing slag water heat exchange station（9）Blast furnace slag is rushed from cooling water outlet pipe outflow
Slag becomes high temperature washing slag water, into next circulation heating process again.Above-mentioned utility model can effectively recycle blast furnace punching
Pulp water waste heat heats, while meeting blast furnace slag flushing operation, achieves energy-saving and emission reduction purposes.
Above-mentioned UTILIZATION OF VESIDUAL HEAT IN have stage, can only winter heating use, cannot achieve annual utilization.Therefore, it is necessary to needles
Above-mentioned defect is improved, a kind of blast furnace slag quenching water waste heat recovery reutilization system of annual recoverable is designed.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of blast furnace slag quenching water significantly reducing cost
Waste heat recovery reutilization system.
The design of the utility model is setting residual neat recovering system, refrigeration system, heating system three parts, waste heat recovery
Blast furnace slag quenching water waste heat is stored in blast furnace slag quenching water heat-exchanger rig by system, and waste heat is delivered to refrigeration by the heat-exchanger rig
System provides the heat needed for its refrigeration for the BrLi chiller of refrigeration system, while meeting Heating Season, the heat-exchanger rig
Waste heat is delivered to heating system to heat for user.
The utility model is that above-mentioned technical problem is solved by technical solution below：
Blast furnace slag quenching water waste heat recovery reutilization system, blast furnace slag quenching water heat-exchanger rig pass through hot water effluent's pipeline and refrigeration
The water inlet of hot water of unit is connected；
It is connected by pipeline between the cooling water intake of refrigeration unit, cooling tower and the cooling water water return outlet of refrigeration unit
And constitute a closed circuit；
The outlet conduit of refrigeration unit is connected with plate heat exchanger, and the outlet conduit of plate heat exchanger leads to industrial water
The water inlet line in workshop, the water given off from industrial water workshop are connected with plate heat exchanger and refrigeration unit successively by pipeline
It connects；
The hot water outlet of refrigeration unit is connected by pipeline with blast furnace slag quenching water heat-exchanger rig；
There are triple valve, triple valve left and right ends to pass through pipeline respectively in the hot water effluent's pipeline of blast furnace slag quenching water heat-exchanger rig
It is connected with refrigeration unit and blast furnace slag quenching water heat-exchanger rig, the lower end of triple valve is connected with heating unit, and heat unit
Water outlet is connected by pipeline with blast furnace slag quenching water heat-exchanger rig.
Refrigeration unit is lithium bromide chiller.
Concurrent heating system, the import of concurrent heating system are connected on pipeline between refrigeration unit and blast furnace slag quenching water heat-exchanger rig
It is connected with jet chimney.
There is heat exchange to pump between triple valve and refrigeration unit.
There is water supply pump on outlet conduit between refrigeration unit and plate heat exchanger.
There is cooling water pump on pipeline between cooling tower and the cooling water intake of refrigeration unit.
The beneficial effects of the utility model are, have recycled the low-quality residual heat resources of blast furnace slag quenching water, realize Different Industries
Between beneficial to complementary.
Description of the drawings
Fig. 1 is the overall system architecture schematic diagram of the utility model；
Fig. 2 is plate heat exchanger indirect heat exchange figure in the utility model；
In figure, 1- blast furnace slag quenching water heat-exchanger rigs, 2- refrigeration units, 3- concurrent heating systems, 4- heating units, 5- cooling towers,
6- plate heat exchangers, 7- industrial waters workshop, 8- heat exchange pumps, 9- hot water effluent's pipelines, the outlet conduit of 10- refrigeration units, 11-
Triple valve, the cooling water intake of 201- refrigeration units, the cooling water water return outlet of 202- refrigeration units, 203- water inlet of hot water,
601- cooling water pumps, 502- water supply pumps.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and detailed description, so as to this field
Technical staff know more about the utility model, but the utility model is not limited with this.
Embodiment 1
Blast furnace slag quenching water waste heat recovery reutilization system, in the system, blast furnace slag quenching water heat-exchanger rig 1 passes through hot water effluent
Pipeline 9 is connected with the water inlet of hot water 203 of refrigeration unit 2；
Pass through between the cooling water intake 201 of refrigeration unit, cooling tower 5 and the cooling water water return outlet 202 of refrigeration unit
Pipeline connects and constitutes a closed circuit；
The outlet conduit 10 of refrigeration unit is connected with plate heat exchanger 6, and the outlet conduit of plate heat exchanger 6 leads to industry
With between waterwheel 7 water inlet line, the water given off from industrial water workshop 7 by pipeline successively with plate heat exchanger 6 and refrigeration
Unit 2 is connected；
The hot water outlet 204 of refrigeration unit is connected by pipeline with blast furnace slag quenching water heat-exchanger rig 1；
There are triple valve 11,11 left and right ends of triple valve to lead to respectively in the hot water effluent's pipeline 9 of blast furnace slag quenching water heat-exchanger rig 1
Piping is connected with refrigeration unit 2 and blast furnace slag quenching water heat-exchanger rig 1, and the lower end of triple valve 11 is connected with heating unit 4,
The water outlet of heating unit 4 is connected by pipeline with blast furnace slag quenching water heat-exchanger rig 1.
Refrigeration unit 2 is hot water lithium bromide unit.
Concurrent heating system 3 is connected on pipeline between refrigeration unit 2 and blast furnace slag quenching water heat-exchanger rig 1, concurrent heating system 3
Import is connected with jet chimney.
There is heat exchange pump 8 between triple valve 11 and refrigeration unit 2.
There is water supply pump 502 on outlet conduit between refrigeration unit 2 and plate heat exchanger 6.
There is cooling water pump 601 on pipeline between cooling tower 5 and the cooling water intake of refrigeration unit 2.
The user of the utility model refers to that heating user either needs to provide the user of refrigeration, and generally residential area is used
Family needs to provide the Administrative Area etc. that heating is either freezed；
The blast furnace slag quenching water waste heat recovery reutilization system of the utility model, the blast furnace punching in non-heating season, the system
Pulp water provides thermal energy for hot water lithium bromide unit, and the cold water in cooling tower is cooled to suitable temperature by refrigeration unit
Degree, by being sent again after board-like parallel operation to workshop, is handled after workshop use, then by plate heat exchanger indirect heat exchange
（Water i.e. after workshop use does not enter refrigeration unit, but is cooled down by plate heat exchanger.Primarily to anti-
Enter refrigeration unit in the case of only workshop cold water is contaminated, refrigeration unit is damaged, therefore increases plate heat exchanger, into
Row indirect heat exchange）, into refrigeration unit, so recycle.Meanwhile the return water of blast furnace slag quenching water continues to be recycled to blast furnace slag quenching water
Heat-exchanger rig；In Heating Season, on the one hand blast furnace slag quenching water provides thermal energy for industrial production, on the other hand provides heat for heating network
Energy.
Claims (6)
1. blast furnace slag quenching water waste heat recovery reutilization system, which is characterized in that blast furnace slag quenching water heat-exchanger rig（1）Gone out by hot water
Waterpipe（9）With refrigeration unit（2）Water inlet of hot water（203）It is connected；
The cooling water intake of refrigeration unit（201）, cooling tower（5）With the cooling water water return outlet of refrigeration unit（202）Between lead to
Piping connects and constitutes a closed circuit；
The outlet conduit of refrigeration unit（10）With plate heat exchanger（6）It is connected, plate heat exchanger（6）Outlet conduit lead to work
Between industry waterwheel（7）Water inlet line, from industrial water workshop（7）The water given off by pipeline successively with plate heat exchanger
（6）And refrigeration unit（2）It is connected；
The hot water outlet of refrigeration unit（204）Pass through pipeline and blast furnace slag quenching water heat-exchanger rig（1）It is connected；
Blast furnace slag quenching water heat-exchanger rig（1）Hot water effluent's pipeline（9）On have triple valve（11）, triple valve（11）Left and right ends point
Pipeline and refrigeration unit are not passed through（2）With blast furnace slag quenching water heat-exchanger rig（1）It is connected, triple valve（11）Lower end and heat supplier
Group（4）It is connected, heat unit（4）Water outlet pass through pipeline and blast furnace slag quenching water heat-exchanger rig（1）It is connected.
2. blast furnace slag quenching water waste heat recovery reutilization system as described in claim 1, which is characterized in that refrigeration unit（2）For
Lithium bromide chiller.
3. blast furnace slag quenching water waste heat recovery reutilization system as described in claim 1, which is characterized in that refrigeration unit（2）With
Blast furnace slag quenching water heat-exchanger rig（1）Between pipeline on be connected with concurrent heating system（3）, concurrent heating system（3）Import and steam pipe
Road is connected.
4. blast furnace slag quenching water waste heat recovery reutilization system as described in claim 1, which is characterized in that in triple valve（11）With
Refrigeration unit（2）Between have heat exchange pump（8）.
5. blast furnace slag quenching water waste heat recovery reutilization system as described in claim 1, which is characterized in that refrigeration unit（2）With
Plate heat exchanger（6）Between outlet conduit on have water supply pump（502）.
6. blast furnace slag quenching water waste heat recovery reutilization system as described in claim 1, which is characterized in that cooling tower（5）With system
Cold group（2）Cooling water intake between pipeline on have cooling water pump（601）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820275927.XU CN207862375U (en) | 2018-02-26 | 2018-02-26 | Blast furnace slag quenching water waste heat recovery reutilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820275927.XU CN207862375U (en) | 2018-02-26 | 2018-02-26 | Blast furnace slag quenching water waste heat recovery reutilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207862375U true CN207862375U (en) | 2018-09-14 |
Family
ID=63455371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820275927.XU Expired - Fee Related CN207862375U (en) | 2018-02-26 | 2018-02-26 | Blast furnace slag quenching water waste heat recovery reutilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207862375U (en) |
-
2018
- 2018-02-26 CN CN201820275927.XU patent/CN207862375U/en not_active Expired - Fee Related
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Legal Events
| 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: 20180914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |