CN109457066A - A kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration utilizes equipment - Google Patents
A kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration utilizes equipment Download PDFInfo
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- CN109457066A CN109457066A CN201811609264.1A CN201811609264A CN109457066A CN 109457066 A CN109457066 A CN 109457066A CN 201811609264 A CN201811609264 A CN 201811609264A CN 109457066 A CN109457066 A CN 109457066A
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- waste heat
- filtering ponds
- utilizing waste
- blast furnace
- refrigeration
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration to utilize equipment, including filtering ponds (1) and pump house (2), filtering ponds (1) are externally provided with the first utilizing waste heat for refrigeration unit (3), the top of filtering ponds (1) is equipped with steam discharge hole, the second utilizing waste heat for refrigeration unit (4) is equipped in pump house (2), the high-temperature steam of steam discharge hole discharge is able to enter acting in the first utilizing waste heat for refrigeration unit (3), the lower part of filtering ponds (1) is equipped with high temperature filtration water out, the high temperature filtration water of high temperature filtration water out discharge is able to enter acting in the second utilizing waste heat for refrigeration unit (4).The blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration can make full use of the waste heat of washing slag water and steam in filtering ponds using equipment, reduce the workload of cooling tower simultaneously, the discharge of filtering ponds sulfur-bearing steam can also be reduced, really realizes that the Efficient Cycle of energy-saving and emission-reduction and the energy utilizes.
Description
Technical field
The present invention relates to metallurgical thermal energy recycling fields, and particularly a kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration is utilized and set
It is standby.
Background technique
It can be generated when blast furnace process high-temperature liquid state slag (1350 DEG C~1500 DEG C), domestic annual 700000000 tons of molten iron of production produces
Raw 2.5 hundred million tons of high-temperature liquid state slag.The correlative study of many years has been carried out both at home and abroad, it is desirable to blast furnace cinder heat is made full use of,
Realize heat recovery.
Although the recoverable method of blast furnace grain slag system filtering ponds heat has been provided in the prior art, in different journeys
It is to be solved that degree and different aspect have various defects to have, it is necessary to study new blast furnace grain slag system filtering ponds thermal energy recycling side
Method realizes that the Efficient Cycle of the energy utilizes and reduces air pollution.
Summary of the invention
In order to recycle the thermal energy in blast furnace grain slag system filtering ponds.The present invention provides a kind of blast furnace granulated slag filtering ponds
Utilizing waste heat for refrigeration utilizes equipment, the blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration using equipment can make full use of in filtering ponds washing slag water and
The waste heat of steam, while reducing the workload of cooling tower, the discharge of filtering ponds sulfur-bearing steam can also be reduced, really realizes section
It can emission reduction and the Efficient Cycle utilization of the energy.
The present invention solves technological invention used by its technical problem: a kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration utilization
Equipment, including filtering ponds and pump house, filtering ponds are externally provided with the first utilizing waste heat for refrigeration unit, and the top of filtering ponds is equipped with discharge of steam
Hole, pump house is interior to be equipped with the second utilizing waste heat for refrigeration unit, which passes through high-temperature steam feed-line and the first waste heat system
Cold unit connection, the high-temperature steam of steam discharge hole discharge, which is able to enter in the first utilizing waste heat for refrigeration unit, to do work, filtering ponds
Lower part is equipped with high temperature filtration water out, which passes through high temperature filtration water feed-line and second utilizing waste heat for refrigeration
Unit connection, the high temperature filtration water of high temperature filtration water out discharge, which is able to enter in the second utilizing waste heat for refrigeration unit, to do work.
The blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration using equipment further include first to refrigerant intake pipeline, first to
Refrigerant export pipeline, slag-water slurry discharge-channel and condensed water feed-line, first in refrigerant intake pipeline
Be able to enter in the first utilizing waste heat for refrigeration unit to refrigerant freezed and from first to refrigerant export pipeline be discharged,
The high-temperature steam of steam discharge hole discharge is able to enter acting in the first utilizing waste heat for refrigeration unit and arranges from condensed water feed-line
Out, the condensed water that condensed water feed-line is discharged can be sent into filtering ponds by slag-water slurry discharge-channel.
The blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration further includes air-conditioner set using equipment, and first to refrigerant input pipe
The connection of the normal-temperature water outlet of line and air-conditioner set, first connects to the chilled water inlet of refrigerant export pipeline and air-conditioner set
It connects.
An at least engine exhaust-powered refrigerator is equipped in the first utilizing waste heat for refrigeration unit.
High-temperature steam feed-line is equipped with air-introduced machine.
The blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration using equipment further include second to refrigerant intake pipeline, second to
Refrigerant export pipeline and filter at low temperature water feed-line, second in refrigerant intake pipeline can to refrigerant
Into freezed in the second utilizing waste heat for refrigeration unit and from second to refrigerant export pipeline be discharged, high temperature filtration water delivery pipe
High temperature filtration water in line is able to enter acting in the second utilizing waste heat for refrigeration unit and is discharged from filter at low temperature water feed-line.
The blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration further includes air-conditioner set using equipment, and second to refrigerant input pipe
The connection of the normal-temperature water outlet of line and air-conditioner set, second connects to the chilled water inlet of refrigerant export pipeline and air-conditioner set
It connects, filter at low temperature water feed-line is connect with cooling tower.
An at least engine exhaust-powered refrigerator is equipped in the second utilizing waste heat for refrigeration unit.
Filter layer is equipped in filtering ponds, the top of filtering ponds is equipped with the removable vapour hood that can close the filtering ponds.
High temperature filtration water feed-line, which is equipped with, tests and analyzes device.
The beneficial effects of the present invention are:
1, the thermal energy that can sufficiently recycle washing slag water and steam in filtering ponds realizes that the Efficient Cycle of the energy utilizes.
2, the discharge of filtering ponds sulfur-bearing steam can be reduced, air pollution is reduced.
3, crossing drainage temperature after heat exchanger is handled reduces, and can reduce the workload of cooling tower, realizes efficiently cooling.
4, using the engine exhaust-powered refrigerator of low energy consumption, have the advantages that operating cost is low, high efficiency.
5, it makes full use of original pump house to realize that the utilizing waste heat for refrigeration for crossing drainage and steam in filtering ponds utilizes, is suitable for existing
The environmental protection and energy saving of blast furnace granulated slag technique are transformed.
6, the water quality for crossing drainage is tested and analyzed, while detected the temperature of drainage, flow, and all detections are tied
Fruit is timely fed back to blast furnace central control system, to optimization blast furnace raw material and fuel quality and proportion, optimization blast furnace operating, promotes smooth operation of furnace
It plays an important role.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.
Fig. 1 is the schematic diagram that blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration of the present invention utilizes equipment.
1, filtering ponds；2, pump house；3, the first utilizing waste heat for refrigeration unit；4, the second utilizing waste heat for refrigeration unit；5, high-temperature steam is defeated
Send pipeline；6, high temperature filtration water feed-line；7, first to refrigerant intake pipeline；8, first to refrigerant efferent duct
Line；9, slag-water slurry discharge-channel；10, condensed water feed-line；11, air-conditioner set；12, air-introduced machine；13, second wait freeze
Medium intake pipeline；14, second to refrigerant export pipeline；15, filter at low temperature water feed-line；16, vapour hood is moved；
17, filter layer.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration utilizes equipment, including filtering ponds 1 and pump house 2, filtering ponds 1 to be externally provided with
First utilizing waste heat for refrigeration unit 3, the top of filtering ponds 1 are equipped with steam discharge hole, are equipped with the second utilizing waste heat for refrigeration unit 4 in pump house 2,
The steam discharge hole is connect by high-temperature steam feed-line 5 with the first utilizing waste heat for refrigeration unit 3, the height of steam discharge hole discharge
Warm steam is able to enter in the first utilizing waste heat for refrigeration unit 3 and does work, and the lower part of filtering ponds 1 is equipped with high temperature filtration water out, the high temperature
Filtering water outlet is connect by high temperature filtration water feed-line 6 with the second utilizing waste heat for refrigeration unit 4, high temperature filtration water out row
High temperature filtration water out is able to enter in the second utilizing waste heat for refrigeration unit 4 and does work, as shown in Figure 1.
In the present embodiment, the blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration further includes first defeated to refrigerant using equipment
Enter pipeline 7, first to refrigerant export pipeline 8, slag-water slurry discharge-channel 9 and condensed water feed-line 10, first to
Being able to enter in the first utilizing waste heat for refrigeration unit 3 in refrigerant intake pipeline 7 to refrigerant (such as normal-temperature water) is freezed
Cool down and be discharged from first to refrigerant export pipeline 8, the high-temperature steam of steam discharge hole discharge is able to enter more than first
It does work in refrigeration heat unit 3 and is discharged from condensed water feed-line 10, slag-water slurry discharge-channel 9 can convey condensed water
The condensed water that pipeline 10 is discharged is sent into filtering ponds 1.
In the present embodiment, the blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration further includes air-conditioner set 11 using equipment, and first
It is connect to refrigerant intake pipeline 7 with the normal-temperature water outlet of air-conditioner set 11, first to refrigerant export pipeline 8 and air-conditioning
The chilled water inlet of unit 11 connects.In the first utilizing waste heat for refrigeration unit 3 be equipped with an at least engine exhaust-powered refrigerator, as this more than first
The suction-type lithium bromide engine exhaust-powered refrigerator of more serial or parallel connections can be equipped in refrigeration heat unit 3.High-temperature steam feed-line 5
It is equipped with air-introduced machine 12.
In the present embodiment, the blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration further includes second defeated to refrigerant using equipment
Enter pipeline 13, second to refrigerant export pipeline 14 and filter at low temperature water feed-line 15, second to refrigerant input pipe
In line 13 to refrigerant (such as normal-temperature water) be able to enter in the second utilizing waste heat for refrigeration unit 4 by refrigeration cool-down and from second to
Refrigerant export pipeline 14 is discharged, and the high temperature filtration water in high temperature filtration water feed-line 6 is able to enter the second waste heat system
It does work in cold unit 4 and is discharged from filter at low temperature water feed-line 15.
In the present embodiment, the blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration further includes air-conditioner set 11 using equipment, and second
It is connect to refrigerant intake pipeline 13 with the normal-temperature water outlet of air-conditioner set 11, second to refrigerant export pipeline 14 and sky
The chilled water inlet connection of unit 11 is adjusted, filter at low temperature water feed-line 15 is connect with cooling tower.The second utilizing waste heat for refrigeration unit 4
In be equipped with an at least engine exhaust-powered refrigerator, as in the second utilizing waste heat for refrigeration unit 4 can be equipped with more serial or parallel connections bromination
Lithium-absorbing formula engine exhaust-powered refrigerator.
In the present embodiment, filter layer 17 is equipped in filtering ponds 1, the top of filtering ponds 1, which is equipped with, can close the filtering ponds 1
Removable vapour hood 16.High temperature filtration water feed-line 6, which is equipped with, tests and analyzes device.
In the present invention, removable vapour hood 6 is set at the top of filtering ponds 1, filtering ponds side wall close to top
The surface steam that steam discharge hole is drawn filtering ponds by air-introduced machine 17 is opened in position, draws steam in pump house 2 and 1 side of filtering ponds
More heat exchangers are arranged in position, realize the thermal energy recycling of filtering ponds bottom filtering and surface steam, reduce sulfur-bearing discharge of steam.
In the present invention, removable vapour hood is set at the top of filtering ponds, in filtering ponds side wall close to top drilling by drawing
Blower draws filtering pool surface steam, draws steam position in pump house and filtering ponds side and more engine exhaust-powered refrigerators are arranged, real
The UTILIZATION OF VESIDUAL HEAT IN of existing filtering ponds bottom filtering and surface steam, reduces sulfur-bearing discharge of steam.
In the present invention, pump house is arranged one or more engine exhaust-powered refrigerator, cross drainage after filtering bottom of pond portion outflow according to
It is secondary through excessive platform engine exhaust-powered refrigerator, the refrigeration for treating refrigerant (normal-temperature water or other media) is completed in heat exchanging process.
More engine exhaust-powered refrigerators of pump house setting connect in series or in parallel according to on-site actual situations.Normal-temperature water is through pump house
Low-temperature cold water is converted to after engine exhaust-powered refrigerator heat exchange.
In the present invention, high temperature filtration water temperature under the action of engine exhaust-powered refrigerator, which reduces, becomes filter at low temperature water, low temperature
It crosses drainage to enter after cooling tower further cools down as low temperature washing slag water, realized recycling for drainage.
In the present invention, removable vapour hood is set at the top of filtering ponds, vapour hood, which realizes filtering ponds, when flushing cinder seals,
Sulfur-bearing steam is avoided to put idle discharge；Flushing cinder moves vapour hood after stopping and removes convenient for grabbing slag.In filtering ponds side wall close to top
Air-introduced machine is arranged in aperture, aperture outside, and air-introduced machine can form enough negative pressure in filtering pool surface.In air-introduced machine and vapour hood
Under the action of, the steam for filtering pool surface is pulled out filtering ponds and enters engine exhaust-powered refrigerator.
In the present invention, largely liquefaction is condensed water to steam under the action of engine exhaust-powered refrigerator, and few part is not liquefied
Steam and condensed water enter filtering ponds together with slag-water slurry.Normal-temperature water becomes low temperature after steam waste heat refrigeration machine cooling
Cold water.At filtering ponds outlet at bottom, the water quality for crossing drainage is tested and analyzed, while detecting the temperature of drainage, flow,
And all testing results are timely fed back to blast furnace central control system, optimization blast furnace raw material and fuel quality and proportion, optimization blast furnace operating,
Promote smooth operation of furnace.
Blast furnace grain slag system filtering ponds heat reclaiming system of the present invention can be in Chinese patent CN 101265039A
(2008 publication dates September 17th, disclosed " a kind of environment-friendly type bottom filter process blast furnace slag treatment device and processing method ")
On the basis of improve, make full use of original filtering ponds and pump house, do not increase additional floor, utilize heat exchanger complete blast furnace
The recycling of grain slag system filtering ponds thermal energy.
For example, being arranged one or more suction-type lithium bromide engine exhaust-powered refrigerator in pump house, more than more suction-type lithium bromides
Refrigerating machine connects in series or in parallel according to on-site actual situations, and high temperature filtration water (about 70 DEG C~90 DEG C) is from filtering ponds
Successively through excessive platform suction-type lithium bromide engine exhaust-powered refrigerator after the outflow of bottom, normal-temperature water (about 25 DEG C~35 in heat exchanging process
DEG C) be converted to low-temperature cold water (about 5 DEG C~15 DEG C).High temperature filtration water temperature under the action of suction-type lithium bromide engine exhaust-powered refrigerator
Reducing becomes filter at low temperature water (about 50 DEG C~60 DEG C), and filter at low temperature water is used as low temperature washing slag water (about after entering cooling tower cooler
40 DEG C~45 DEG C), realized recycling for drainage.
Removable vapour hood is set at the top of filtering ponds, and when flushing cinder is sealed the steam of filtering pool surface；Flushing cinder stops
Vapour hood is moved afterwards and removes the filtering ponds for needing to grab slag, convenient for grabbing slag.
Air-introduced machine is set outside top drilling, aperture in filtering ponds side wall, it is desirable that air-introduced machine can be in filtering ponds table
Face forms enough negative pressure (about 500Pa~1000Pa).Under the action of air-introduced machine and vapour hood, the steam quilt of pool surface is filtered
It detaches filtering ponds and enters suction-type lithium bromide engine exhaust-powered refrigerator.Steam big portion under the action of suction-type lithium bromide engine exhaust-powered refrigerator
Liquid separation turns to condensed water, and few partially not liquefied steam and condensed water enter filtering ponds, normal-temperature water together with slag-water slurry
Become low-temperature cold water (about 5 DEG C~15 DEG C) after suction-type lithium bromide utilizing waste heat for refrigeration mechanism cold.
The variation of blast furnace raw material and fuel quality and proportion will lead to the composition transfer of blast furnace cinder, and then change the water of drainage
Matter.At filtering ponds outlet at bottom, the water quality for crossing drainage flowed out after filter layer filtering is tested and analyzed, while detecting
The temperature of drainage, flow, and all testing results are timely fed back to blast furnace central control system, to optimization blast furnace raw material and fuel quality and
Proportion, promotes smooth operation of furnace to play an important role at optimization blast furnace operating.
The low-temperature cold water (about 5 DEG C~15 DEG C) obtained through suction-type lithium bromide engine exhaust-powered refrigerator is widely used, can be used as
Air conditioning water is sent to air-conditioner set, can also be used as production technology and with chilled water is sent to the corresponding system of blast furnace (such as furnace body is cold
But system).The waste heat of washing slag water and steam is utilized effectively in filtering ponds, and reduces putting to idle discharge for sulfur-bearing steam,
It is of great significance for energy-saving and emission-reduction.
Using the original pump house of environment-friendly type bottom filter process blast furnace slag processing system, in the premise for not increasing additional floor
Under, the workload that can be made full use of the waste heat of washing slag water and steam in filtering ponds, while reduce cooling tower is realized efficiently cold
But, the discharge of filtering ponds sulfur-bearing steam can also be reduced, really realizes that the Efficient Cycle of energy-saving and emission-reduction and the energy utilizes.
The waste heat for making full use of washing slag water and steam in filtering ponds realizes that the Efficient Cycle of the energy utilizes；Reduce filtering ponds
The discharge of sulfur-bearing steam reduces air pollution；Crossing drainage temperature after engine exhaust-powered refrigerator is handled reduces, and can reduce cooling tower
Workload is realized efficiently cooling；Using the suction-type lithium bromide engine exhaust-powered refrigerator of low energy consumption, the electricity consumption in refrigeration cycle is set
Standby mainly solution pump (circulating pump), power only has 5kW~10kW, has the advantages that operating cost is low, high efficiency.
It realizes that the utilizing waste heat for refrigeration for crossing drainage and steam in filtering ponds utilizes under the premise of not increasing additional floor, is suitable for
The environmental protection and energy saving of existing blast furnace granulated slag technique are transformed.
The water quality for crossing drainage is tested and analyzed, while detecting the temperature of drainage, flow, and all testing results
It is timely fed back to blast furnace central control system, to optimization blast furnace raw material and fuel quality and proportion, optimization blast furnace operating, smooth operation of furnace is promoted to rise
To important function.
The above, only specific embodiments of the present invention cannot limit the range that invention is implemented with it, so it is equivalent
The displacement of component, or according to equivalent variations made by the invention patent protection scope and modification, should all still fall within what this patent was covered
Scope.In addition, between technical characteristic and technical characteristic in the present invention, between technical characteristic and technological invention, technological invention with
Use can be freely combined between technological invention.
Claims (10)
1. a kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration utilizes equipment, which is characterized in that the blast furnace granulated slag filtering ponds waste heat system
Cold utilization equipment includes filtering ponds (1) and pump house (2), and filtering ponds (1) are externally provided with the first utilizing waste heat for refrigeration unit (3), filtering ponds
(1) top is equipped with steam discharge hole, is equipped with the second utilizing waste heat for refrigeration unit (4) in pump house (2), which passes through height
Warm steam pipeline (5) connect with the first utilizing waste heat for refrigeration unit (3), and the high-temperature steam of steam discharge hole discharge is able to enter
The lower part of acting in first utilizing waste heat for refrigeration unit (3), filtering ponds (1) is equipped with high temperature filtration water out, the high temperature filtration water out
It is connect by high temperature filtration water feed-line (6) with the second utilizing waste heat for refrigeration unit (4), the height of high temperature filtration water out discharge
Temperature filtering water is able to enter acting in the second utilizing waste heat for refrigeration unit (4).
2. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 1 utilizes equipment, which is characterized in that the blast furnace water
Slag filtering ponds utilizing waste heat for refrigeration using equipment further include first to refrigerant intake pipeline (7), first to refrigerant efferent duct
Line (8), slag-water slurry discharge-channel (9) and condensed water feed-line (10), first in refrigerant intake pipeline (7)
It is able to enter in the first utilizing waste heat for refrigeration unit (3) and is freezed and from first to refrigerant export pipeline (8) to refrigerant
Discharge, the high-temperature steam of steam discharge hole discharge are able to enter in the first utilizing waste heat for refrigeration unit (3) acting and defeated from condensed water
Pipeline (10) are sent to be discharged, the condensed water that condensed water feed-line (10) can be discharged for slag-water slurry discharge-channel (9) is sent into
Filtering ponds (1).
3. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 2 utilizes equipment, which is characterized in that the blast furnace water
Slag filtering ponds utilizing waste heat for refrigeration further includes air-conditioner set (11) using equipment, and first to refrigerant intake pipeline (7) and air conditioner
The normal-temperature water outlet of group (11) connects, the first chilled water inlet company to refrigerant export pipeline (8) and air-conditioner set (11)
It connects.
4. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 1 utilizes equipment, which is characterized in that first waste heat
An at least engine exhaust-powered refrigerator is equipped in refrigeration unit (3).
5. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 1 utilizes equipment, which is characterized in that high-temperature steam is defeated
Pipeline (5) are sent to be equipped with air-introduced machine (12).
6. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 1 utilizes equipment, which is characterized in that the blast furnace water
Slag filtering ponds utilizing waste heat for refrigeration using equipment further include second to refrigerant intake pipeline (13), second to refrigerant efferent duct
Line (14) and filter at low temperature water feed-line (15), second to can be into refrigerant in refrigerant intake pipeline (13)
Enter and is freezed in the second utilizing waste heat for refrigeration unit (4) and be discharged from second to refrigerant export pipeline (14), high temperature filtration water
High temperature filtration water in feed-line (6) is able to enter in the second utilizing waste heat for refrigeration unit (4) acting and defeated from filter at low temperature water
Pipeline (15) are sent to be discharged.
7. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 6 utilizes equipment, which is characterized in that the blast furnace water
Slag filtering ponds utilizing waste heat for refrigeration further includes air-conditioner set (11) using equipment, and second to refrigerant intake pipeline (13) and air conditioner
The normal-temperature water outlet of group (11) connects, the second chilled water inlet company to refrigerant export pipeline (14) and air-conditioner set (11)
It connects, filter at low temperature water feed-line (15) is connect with cooling tower.
8. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 1 utilizes equipment, which is characterized in that second waste heat
An at least engine exhaust-powered refrigerator is equipped in refrigeration unit (4).
9. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 1 utilizes equipment, which is characterized in that filtering ponds (1)
Interior to be equipped with filter layer (17), the top of filtering ponds (1) is equipped with the removable vapour hood (16) that can close the filtering ponds (1).
10. blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration according to claim 1 utilizes equipment, which is characterized in that high temperature filtration
Water feed-line (6), which is equipped with, tests and analyzes device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609264.1A CN109457066A (en) | 2018-12-27 | 2018-12-27 | A kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration utilizes equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609264.1A CN109457066A (en) | 2018-12-27 | 2018-12-27 | A kind of blast furnace granulated slag filtering ponds utilizing waste heat for refrigeration utilizes equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053768A (en) * | 2021-11-24 | 2022-02-18 | 中冶京诚工程技术有限公司 | Method for preventing hardening of filter material of blast furnace water slag bottom filtering system |
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| CN114053768B (en) * | 2021-11-24 | 2022-12-20 | 中冶京诚工程技术有限公司 | Method for preventing hardening of filter material of blast furnace water slag bottom filtering system |
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