CN208545449U - A kind of pressure type blast furnace red dregs waste heat recycling system - Google Patents
A kind of pressure type blast furnace red dregs waste heat recycling system Download PDFInfo
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- CN208545449U CN208545449U CN201820997568.9U CN201820997568U CN208545449U CN 208545449 U CN208545449 U CN 208545449U CN 201820997568 U CN201820997568 U CN 201820997568U CN 208545449 U CN208545449 U CN 208545449U
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- vapor
- heat
- water
- slag
- flushing cinder
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- 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
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- 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
Abstract
The utility model discloses a kind of pressure type blast furnace red dregs waste heat recycling systems.Belong to blast furnace red dregs processing technology field, it is characterized in that: including at least flushing cinder unit, vapor condensing heat-exchange unit and washing slag water heat exchange unit；Flushing cinder unit bottom is connect by pipeline valve with washing slag water heat exchange unit；It is connect by pipeline valve with vapor condensing heat-exchange unit at the top of flushing cinder unit.It sufficiently recycles waste heat to collect by traditional sluice, Chi Gaiwei pressure application flushing cinder pond, and to the vapor that flushing cinder generates.The utility model is suitable for the iron and steel enterprise more demanding to environmental Kuznets Curves.
Description
Technical field
The utility model discloses a kind of pressure type blast furnace red dregs waste heat recycling systems.Belong to blast furnace red dregs processing skill
Art field.
Background technique
Blast furnace red dregs are using the flushing cinder mode that water jetting is that steel industry generallys use, its advantage is that the small operation operation of investment
Simplicity, and a large amount of waste water can be consumed.But the disadvantage is that seriously pollution air environment wastes a large amount of heat, as country saves
Energy environmental requirement is increasingly stringent, and drawback increasingly shows by the way of flush slag.It is that a large amount of water caused by flushing cinder steam first
Gas causes seriously to pollute around blast furnace, and appearance is bad；Secondly to cause a large amount of water loss, according to the every processing of measuring and calculating
One ton of red slag takes around 1.0-1.3 tons of water, produces 5000000 tons of steel mills per year, every about the red slag for generating 4,000,000 tons year, about
Need 400 to 5,000,000 tons of water loss；Furthermore a large amount of vapor direct emission causes a large amount of heat-energy losses.Pressure type is high
The red slag waste heat recycling system of furnace, carries out red Slag treatment under a relatively closed environment, can save a large amount of water money
Source, while a large amount of thermal energy is recycled, economic benefits can substantially eliminate vapor caused by flushing cinder to environment
Pollution, but one-time investment is larger, the iron and steel enterprise of place anxiety is transformed difficult.Therefore need to seek suitable method
Existing blast furnace slag flushing unit is transformed, energy-saving and environment-friendly requirement is complied with.
Utility model content
In order to solve the problem of water, the thermal energy waste environmental pollution of blast furnace slag flushing, the utility model provides a kind of pressure
Formula blast furnace red dregs waste heat recycling system and method, so as to by traditional sluice, Chi Gaiwei pressure application flushing cinder pond, and it is right
The vapor that flushing cinder generates is collected, and is sufficiently recycled to waste heat.The utility model is suitable for more demanding to environmental Kuznets Curves
Iron and steel enterprise.
A kind of pressure type blast furnace red dregs waste heat recycling system, it is characterized in that: it is cold to include at least flushing cinder unit, vapor
Solidifying heat exchange unit and washing slag water heat exchange unit；Flushing cinder unit bottom is connect by pipeline valve with washing slag water heat exchange unit；Flushing cinder
It is connect by pipeline valve with vapor condensing heat-exchange unit at the top of unit.
The flushing cinder unit includes red slag bunker, flushing cinder pond, tapping mechanism and vapor delivery line；Flushing cinder unit
Flushing cinder pond top includes two V-shaped structures, and one is formed separately vapor evolution room by V-shaped structure below and slags tap
Room, another V-shaped channel one end connect red slag bunker, and the other end constitutes vapor and escapes room, and two V-shaped structures pass through public affairs
Vapor evolution room connection altogether.
The slag removing chamber is connected with flushing cinder pond water supply pipe, to guarantee that the water level in flushing cinder pond is enough to obstruct vapor evolution room
And slag removing chamber, escape vapor caused by flushing cinder will not from slag removing chamber；It is led by the vapor at top vapor evolution room
Outlet pipe and air-introduced machine are connect with the condenser of vapor condensing heat-exchange unit, and vapor delivery line increases power-equipment air-introduced machine,
The vapor for being conducive to vapor evolution room is led into condenser.
It is fixed with tapping mechanism from upper outer end to intracavitary in the cavity of the slag removing chamber, tapping mechanism is tilted in inclination chamber
In vivo.
The washing slag water heat exchange unit includes: heat exchanger, exhaust heat of slag flushing water recycling circulating pump and exhaust heat of slag flushing water
Recycle circulation line；There are outlet pipe and exhaust heat of slag flushing water to recycle circulation line in flushing cinder bottom of pond portion, passes through flushing cinder pond
The outlet pipe and exhaust heat of slag flushing water of bottom recycle circulation line and connect with heat exchanger heat-exchanging tube road, exhaust heat of slag flushing water recycling benefit
It is serially connected on the outlet pipe pipeline of flushing cinder bottom of pond portion with circulating pump.
The heat exchanger of the washing slag water heat exchange unit is heat-condutive oil heat exchanger, and heat exchanger recycles benefit by exhaust heat of slag flushing water
With the flushing cinder pond of circulation line connection exhaust heat of slag flushing water recycling system.
The vapor condensing heat-exchange unit includes condenser and air-introduced machine, and vapor escapes the export of ceiling portion vapor
Pipe enters condenser by air-introduced machine, is condensed into water with vapor after the water at low temperature heat exchange of heat user.
The condenser of the vapor condensing heat-exchange unit connects condensate ruturn pipe, is connected on condensate ruturn pipe
Valve group, valve group, which connects, has branch line connection is other to use water spot between condenser.
The abundant recovery waste heat of the utility model energy guarantees that pernicious gas does not leak, largely recycles vapor, reduce water
Dosage.The system structure is simple, is convenient for the transformation of flushing cinder processing system.
Using the pressure type blast furnace red dregs waste heat recycling system, pressure flushing cinder is carried out under conditions of seal-off pressure,
A large amount of vapor can be recycled, the vapor for guaranteeing that flushing cinder generates does not enter air, and can collect the heat of red slag to greatest extent
Amount.
Detailed description of the invention
Fig. 1 is Tthe utility model system schematic diagram.
In figure: 1, red slag bunker；2, flushing cinder pond；3, condenser；4, heat exchanger；5, tapping mechanism；6, exhaust heat of slag flushing water benefit
Use circulating pump；7, exhaust heat of slag flushing water recycles circulation line；8, air-introduced machine；9, vapor delivery line；10, condensate return
Pipe；11, valve group；12, vapor escapes room；13, slag removing chamber；14, flushing cinder pond water supply pipe.
Specific embodiment
It is described further with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, a kind of pressure type blast furnace red dregs waste heat recycling system, includes at least flushing cinder unit, vapor
Condensing heat-exchange unit and washing slag water heat exchange unit；Flushing cinder unit bottom is connect by pipeline valve with washing slag water heat exchange unit；Punching
It is connect by pipeline valve with vapor condensing heat-exchange unit at the top of slag unit.
The flushing cinder unit includes red slag bunker 1, flushing cinder pond 2, tapping mechanism 5 and vapor delivery line 9；Flushing cinder list
2 top of flushing cinder pond of member includes two V-shaped structures, and one is formed separately vapor evolution room 12 by V-shaped structure below
With slag removing chamber 13, another V-shaped channel one end connects red slag bunker 1, and the other end constitutes vapor and escapes room 12, two V words
Shape structure escapes room 12 by public vapor and connects.
The slag removing chamber 13 is connected with flushing cinder pond water supply pipe 14, to guarantee that the water level in flushing cinder pond 2 is enough to obstruct vapor
Room 12 and slag removing chamber 13 are escaped, escape vapor caused by flushing cinder will not from slag removing chamber 13；Vapor evolution room 12 passes through
The vapor delivery line 9 and air-introduced machine 8 at top are connect with the condenser 3 of vapor condensing heat-exchange unit, and vapor delivery line 9 increases
Add power-equipment air-introduced machine 8, the vapor for being conducive to vapor evolution room 12 is led into condenser 3.
It is fixed with tapping mechanism 5 from upper outer end to intracavitary in the cavity of the slag removing chamber 13, tapping mechanism 5 is tilted in
In oblique cavity.
The washing slag water heat exchange unit includes: more than heat exchanger 4, exhaust heat of slag flushing water recycling circulating pump 6 and washing slag water
Recuperation of heat utilizes circulation line 7；There are outlet pipe and exhaust heat of slag flushing water to recycle circulation line 7 in 2 bottom of flushing cinder pond, passes through punching
The outlet pipe and exhaust heat of slag flushing water of 2 bottom of slag bath recycle circulation line 7 and connect with 4 heat exchange pipeline of heat exchanger, more than washing slag water
Recuperation of heat is serially connected on the outlet pipe pipeline of 2 bottom of flushing cinder pond using circulating pump 6.
The heat exchanger 4 of washing slag water heat exchange unit is heat-condutive oil heat exchanger, and heat exchanger 4 is followed by exhaust heat of slag flushing water recycling
The flushing cinder pond 2 of the connection of endless tube road 7 exhaust heat of slag flushing water recycling system.
The vapor condensing heat-exchange unit includes condenser 3 and air-introduced machine 8, and vapor escapes 12 top vapor of room
Delivery line 9 enters condenser 3 by air-introduced machine 8, is condensed into water with vapor after the water at low temperature heat exchange of heat user.
3 lower part of condenser of vapor condensing heat-exchange unit connects condensate ruturn pipe 10, is connected on condensate ruturn pipe 10
Valve group 11, valve group 11, which connects, has branch line connection is other to use water spot between condenser 3.
A kind of pressure type blast furnace red dregs waste heat recycle method, it is characterized in that: including at least following process:
When flushing cinder starts, red slag passes through through the red slag bunker 1 in a kind of pressure type blast furnace red dregs waste heat recycling system
Vapor escapes room 12 and enters flushing cinder pond 2；It connects condenser 3 and 2 valve group 11 of flushing cinder pond is closed, connected by 2 upper end of flushing cinder pond
14 moisturizing guaranteed water level of water supply pipe barrier vapor evolution room 12 and slag removing chamber 13；System is in closed band pressure condition at this time,
The vapor that flushing cinder unit generates escapes 12 top vapor delivery line 9 of room by vapor and enters condenser by air-introduced machine 8
Vapor is condensed into water behind 3, with the water at low temperature heat exchange of heat user；
After flushing cinder, valve group 11 is opened, condensed water connects condensate ruturn pipe 10 through 3 lower part of condenser and is back to flushing cinder
Pond 2 flow to and other uses water spot；It is transported through flushing cinder treated clinker by the tapping mechanism 5 in flushing cinder pond 2.
The exhaust heat of slag flushing water of 2 side of flushing cinder pond connection heat exchanger 4 recycles water-circulating pump 6 and opens always, high temperature flushing cinder
Water, which exchanges heat in heat exchanger 4 with heat user water at low temperature, to cool down, and recycles circulation line 7 by exhaust heat of slag flushing water and returns to flushing cinder pond 2.
Embodiment two
On the basis of example 1, it can increase in flushing cinder pond 2 and be not drawn into liquid level detection device figure, with water supply pipe 14
Valve interlocked control valve switch, the water level that flushing cinder pond 2 is effectively ensured are enough to obstruct vapor evolution room 12 and slag removing chamber 13, make
The vapor that flushing cinder generates will not be escaped from slag removing chamber 13.
The abundant recovery waste heat of the utility model energy guarantees that pernicious gas does not leak, largely recycles vapor, reduce water
Dosage.The system structure is simple, is convenient for the transformation of flushing cinder processing system.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all practical at this
Any modifications, equivalent replacements, and improvements etc. done within novel spirit and principle, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of pressure type blast furnace red dregs waste heat recycling system, it is characterized in that: including at least flushing cinder unit, vapor condenses
Heat exchange unit and washing slag water heat exchange unit；Flushing cinder unit bottom is connect by pipeline valve with washing slag water heat exchange unit；Flushing cinder list
First top is connect by pipeline valve with vapor condensing heat-exchange unit.
2. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 1, it is characterized in that: described rushes
Slag unit includes red slag bunker (1), flushing cinder pond (2), tapping mechanism (5) and vapor delivery line (9)；The flushing cinder of flushing cinder unit
Pond (2) top includes two V-shaped structures, and one is formed separately vapor evolution room (12) by V-shaped structure below and goes out
Grit chamber (13), another V-shaped channel one end connect red slag bunker (1), and the other end constitutes vapor evolution room (12), two V
Character form structure passes through public vapor evolution room (12) connection.
3. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 2, it is characterized in that: described goes out
Grit chamber (13) is connected with flushing cinder pond water supply pipe (14), to guarantee that the water level in flushing cinder pond (2) is enough to obstruct vapor evolution room (12)
It with slag removing chamber (13), escape vapor caused by flushing cinder will not from slag removing chamber (13)；Vapor evolution room (12) passes through top
The vapor delivery line (9) and air-introduced machine (8) in portion are connect with the condenser (3) of vapor condensing heat-exchange unit, vapor export
It manages (9) and increases power-equipment air-introduced machine (8), the vapor for being conducive to vapor evolution room (12) is led into condenser (3).
4. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 2, it is characterized in that: described goes out
It is fixed with tapping mechanism (5) in the cavity of grit chamber (13) from upper outer end to intracavitary, tapping mechanism (5) is tilted in inclination cavity.
5. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 1, it is characterized in that: described rushes
Pulp water heat exchange unit includes: heat exchanger (4), exhaust heat of slag flushing water recycles circulating pump (6) and exhaust heat of slag flushing water recycling follows
Endless tube road (7)；There are outlet pipe and exhaust heat of slag flushing water to recycle circulation line (7) in flushing cinder pond (2) bottom, passes through flushing cinder pond
(2) outlet pipe and exhaust heat of slag flushing water of bottom recycle circulation line (7) and connect with heat exchanger (4) heat exchange pipeline, washing slag water
Heat recovery circulating pump (6) is serially connected on the outlet pipe pipeline of flushing cinder pond (2) bottom.
6. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 5, it is characterized in that: described rushes
The heat exchanger (4) of pulp water heat exchange unit is heat-condutive oil heat exchanger, and heat exchanger (4) recycles circulation line by exhaust heat of slag flushing water
(7) the flushing cinder pond (2) of exhaust heat of slag flushing water recycling system is connected.
7. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 1, it is characterized in that: the water
Steam condensing heat-exchange unit includes condenser (3) and air-introduced machine (8), and vapor escapes vapor delivery line (9) at the top of room (12)
Enter condenser (3) by air-introduced machine (8), is condensed into water with vapor after the water at low temperature heat exchange of heat user.
8. a kind of pressure type blast furnace red dregs waste heat recycling system according to claim 7, it is characterized in that: the water
Condenser (3) lower part of steam condensing heat-exchange unit connects condensate ruturn pipe (10), and condensate ruturn pipe is connected to valve on (10)
Group (11), valve group (11), which connects, has branch line connection is other to use water spot between condenser (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820997568.9U CN208545449U (en) | 2018-06-27 | 2018-06-27 | A kind of pressure type blast furnace red dregs waste heat recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820997568.9U CN208545449U (en) | 2018-06-27 | 2018-06-27 | A kind of pressure type blast furnace red dregs waste heat recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208545449U true CN208545449U (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820997568.9U Expired - Fee Related CN208545449U (en) | 2018-06-27 | 2018-06-27 | A kind of pressure type blast furnace red dregs waste heat recycling system |
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| Country | Link |
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| CN (1) | CN208545449U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990271A (en) * | 2019-03-29 | 2019-07-09 | 西安交通大学 | A kind of method of comprehensive utilization and system of CFB Slag quenching |
| CN110205418A (en) * | 2018-06-27 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of pressure type blast furnace red dregs waste heat recycling system and method |
-
2018
- 2018-06-27 CN CN201820997568.9U patent/CN208545449U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205418A (en) * | 2018-06-27 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of pressure type blast furnace red dregs waste heat recycling system and method |
| CN109990271A (en) * | 2019-03-29 | 2019-07-09 | 西安交通大学 | A kind of method of comprehensive utilization and system of CFB Slag quenching |
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| 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: 20190226 Termination date: 20210627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |