CN209352938U - A kind of blast furnace grain slag system filtering ponds heat reclaiming system - Google Patents
A kind of blast furnace grain slag system filtering ponds heat reclaiming system Download PDFInfo
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- CN209352938U CN209352938U CN201822223357.2U CN201822223357U CN209352938U CN 209352938 U CN209352938 U CN 209352938U CN 201822223357 U CN201822223357 U CN 201822223357U CN 209352938 U CN209352938 U CN 209352938U
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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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- 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
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Abstract
The utility model discloses a kind of blast furnace grain slag system filtering ponds heat reclaiming systems, including high-altitude chimney (1), filtering ponds (28), pump house (29), cooling tower (30) and tank (31), filtering ponds (28) are externally provided with steam heat-exchanging unit (3), the top of filtering ponds (28) is equipped with steam discharge hole, the high-temperature steam of steam discharge hole discharge is able to enter heat release in steam heat-exchanging unit (3), the lower part of filtering ponds (28) is equipped with high temperature filtration water out, the high temperature filtration water of high temperature filtration water out discharge is able to enter heat release in hot water heat exchange unit.The blast furnace grain slag system filtering ponds heat reclaiming system can sufficiently recycle the thermal energy of washing slag water and steam in filtering ponds, reduce the workload of cooling tower, reduce the discharge of filtering ponds sulfur-bearing steam, really realize that the Efficient Cycle of energy-saving and emission-reduction and the energy utilizes.
Description
Technical field
The utility model relates to metallurgical thermal energy recycling field, particularly a kind of blast furnace grain slag system filtering ponds thermal energy recycling
System.
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.
Utility model content
In order to recycle the thermal energy in blast furnace grain slag system filtering ponds.The utility model provides a kind of blast furnace grain slag system mistake
Filter tank heat reclaiming system, the blast furnace grain slag system filtering ponds heat reclaiming system can sufficiently recycle in filtering ponds washing slag water and
The thermal energy of steam reduces the workload of cooling tower, reduces the discharge of filtering ponds sulfur-bearing steam, really realizes energy-saving and emission-reduction and energy
The Efficient Cycle in source utilizes.
The utility model solves that technical application used by its technical problem is novel to be: a kind of blast furnace grain slag system filtering ponds
Heat reclaiming system, including high-altitude chimney, filtering ponds, pump house, cooling tower and tank, filtering ponds are externally provided with steam heat-exchanging list
Member, the top of filtering ponds are equipped with steam discharge hole, hot water heat exchange unit are equipped in pump house, which is steamed by high temperature
Vapour feed-line is connect with steam heat-exchanging unit, and the high-temperature steam of steam discharge hole discharge is able to enter in steam heat-exchanging unit
Heat release, the lower parts of filtering ponds are equipped with high temperature filtration water out, the high temperature filtration water out by high temperature filtration water feed-line with
Hot water heat exchange unit connection, the high temperature filtration water of high temperature filtration water out discharge, which is able to enter in the hot water heat exchange unit, to be put
Heat.
The blast furnace grain slag system filtering ponds heat reclaiming system further include the first thermal medium intake pipeline to be added, first to
Heat medium export pipeline, slag-water slurry discharge-channel and condensed water feed-line, in the first thermal medium intake pipeline to be added
The first thermal medium to be added be able to enter in the steam heat-exchanging unit heat absorption and from the first thermal medium export pipeline discharge to be added, should
The high-temperature steam of steam discharge hole discharge is able to enter heat release in steam heat-exchanging unit and is discharged from condensed water feed-line, pulp water
The both ends of mixture discharge-channel are connect with high-altitude chimney and filtering ponds respectively, and slag-water slurry discharge-channel can be by condensed water
The condensed water of feed-line discharge is sent into filtering ponds.
Condensed water feed-line is connect by discharge of steam pipeline with high-altitude chimney, the first thermal medium export pipeline to be added and
The connection of user's pipe network, the first thermal medium export pipeline to be added are equipped with electric butterfly valve and Hand-operated butterfly valve.
An at least vapor heat exchanger is equipped in the steam heat-exchanging unit.
High-temperature steam feed-line is equipped with air-introduced machine.
The blast furnace grain slag system filtering ponds heat reclaiming system further include the second thermal medium intake pipeline to be added, second to
Heat medium export pipeline and filter at low temperature water feed-line, the second thermal medium to be added in the second thermal medium intake pipeline to be added
It is able to enter heat absorption in the hot water heat exchange unit and is discharged from the second thermal medium export pipeline to be added, high temperature filtration water feed-line
In high temperature filtration water be able to enter in the hot water heat exchange unit heat release and be discharged from filter at low temperature water feed-line.
More hot water heat exchangers being arranged in parallel or series, the second thermal medium output to be added are equipped in the hot water heat exchange unit
Pipeline is connect with user's pipe network, and filter at low temperature water feed-line is connect with cooling tower, and cooling tower is located at the top of tank.
It is equipped with two hot water heat exchangers being arranged in series in the hot water heat exchange unit, on high temperature filtration water feed-line successively
Equipped with thermometer, flowmeter, Hand-operated butterfly valve, heat-exchanger pump, check valve, electric butterfly valve and Hand-operated butterfly valve, the second thermal medium to be added is defeated
Hand-operated butterfly valve, electric butterfly valve, check valve, Hand-operated butterfly valve and electric butterfly valve, filter at low temperature water delivery pipe are successively arranged on pipeline out
It is successively arranged tower pump on line and Hand-operated butterfly valve, tank are connected with washing slag water discharge pipe, on washing slag water discharge pipe successively
Equipped with Hand-operated butterfly valve, slag flushing pump, check valve, electric butterfly valve and Hand-operated butterfly valve.
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 utility model 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 motorless heat exchanger, have the advantages that operating cost is low, high efficiency.
5, it makes full use of original pump house to realize the thermal energy recycling for crossing drainage in filtering ponds, is suitable for existing blast furnace granulated slag system
The environmental protection and energy saving of system 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 a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Fig. 1 is the schematic diagram of blast furnace grain slag system filtering ponds heat reclaiming system described in the utility model.
1, high-altitude chimney；2, spray equipment；3, steam heat-exchanging unit；4, electric butterfly valve；5, Hand-operated butterfly valve；6, it moves and steams
Vapour cover；7, Hand-operated butterfly valve；8, electric butterfly valve；9, check valve；10, Hand-operated butterfly valve；11, electric butterfly valve；12, thermometer；13, flow
Meter；14, Hand-operated butterfly valve；15, heat-exchanger pump；16, check valve；17, electric butterfly valve；18, Hand-operated butterfly valve；19, hot water heat exchanger；20,
Washing slag water discharge pipe；21, upper tower pump；22, Hand-operated butterfly valve；23, Hand-operated butterfly valve；24, slag flushing pump；25, check valve；26, electronic
Butterfly valve；27, Hand-operated butterfly valve；28, filtering ponds；29, pump house；30, cooling tower；31, tank；32, high-temperature steam feed-line；
33, high temperature filtration water feed-line；34, the first thermal medium intake pipeline to be added；35, the first thermal medium export pipeline to be added；36,
Slag-water slurry discharge-channel；37, condensed water feed-line；38, filter layer；39, discharge of steam pipeline；40, user's pipe network；
41, the second thermal medium intake pipeline to be added；42, the second thermal medium export pipeline to be added；43, filter at low temperature water feed-line.
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 utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of blast furnace grain slag system filtering ponds heat reclaiming system, including it is high-altitude chimney 1, filtering ponds 28, pump house 29, cold
But tower 30 and tank 31, filtering ponds 28 are externally provided with steam heat-exchanging unit 3, and the top of filtering ponds 28 is equipped with steam discharge hole, water
Hot water heat exchange unit is equipped in pump house 29, which is connected by high-temperature steam feed-line 32 and steam heat-exchanging unit 3
It connects, the high-temperature steam of steam discharge hole discharge is able to enter heat release in steam heat-exchanging unit 3, and the lower part of filtering ponds 28 is equipped with height
Warm filtering water outlet, the high temperature filtration water out are connect by high temperature filtration water feed-line 33 with the hot water heat exchange unit, should
The high temperature filtration water of high temperature filtration water out discharge is able to enter heat release in the hot water heat exchange unit, as shown in Figure 1.
In the present embodiment, the blast furnace grain slag system filtering ponds heat reclaiming system further includes that the first thermal medium to be added is defeated
Enter pipeline 34, the first thermal medium export pipeline 35, slag-water slurry discharge-channel 36 and condensed water feed-line 37 to be added, first
The first thermal medium (such as normal-temperature water or other thermal mediums to be added) to be added in thermal medium intake pipeline 34 to be added is able to enter the steaming
It absorbs heat in vapour heat exchange unit 3 and is discharged from the first thermal medium export pipeline 35 to be added, the high-temperature steam of steam discharge hole discharge
It is able to enter heat release in steam heat-exchanging unit 3 and is discharged from condensed water feed-line 37, the two of slag-water slurry discharge-channel 36
End is connect with high-altitude chimney 1 and filtering ponds 28 respectively, and slag-water slurry discharge-channel 36 can be by 37 row of condensed water feed-line
Condensed water out is sent into filtering ponds 28.
In the present embodiment, condensed water feed-line 37 is connect by discharge of steam pipeline 39 with high-altitude chimney 1, the steam
The high-temperature steam of discharge orifice discharge is able to enter heat release in steam heat-exchanging unit 3 and is discharged into high-altitude from discharge of steam pipeline 39
Chimney 1 is equipped with spray equipment 2 in high-altitude chimney 1, and the first thermal medium export pipeline 35 to be added is connect with user's pipe network 40, and first
Thermal medium export pipeline 35 to be added is equipped with electric butterfly valve 4 and Hand-operated butterfly valve 5.At least one is equipped in the steam heat-exchanging unit 3
Vapor heat exchanger can be equipped with air-introduced machine on high-temperature steam feed-line 32, as shown in Figure 1.
In the present embodiment, the blast furnace grain slag system filtering ponds heat reclaiming system further includes that the second thermal medium to be added is defeated
Enter pipeline 41, the second thermal medium export pipeline 42 and filter at low temperature water feed-line 43 to be added, the second thermal medium input pipe to be added
The second thermal medium (such as normal-temperature water or other thermal mediums to be added) to be added in line 41 is able to enter in the hot water heat exchange unit and absorbs heat
And be discharged from the second thermal medium export pipeline 42 to be added, the high temperature filtration water in high temperature filtration water feed-line 33 is able to enter this
In hot water heat exchange unit heat release and from filter at low temperature water feed-line 43 be discharged.
In the present embodiment, more hot water heat exchangers 19 being arranged in parallel or series are equipped in the hot water heat exchange unit, the
Two thermal medium export pipelines 42 to be added are connect with user's pipe network 40, and filter at low temperature water feed-line 43 is connect with cooling tower 30, cold
But tower 30 is located at the top of tank 31, and pump house 29 is between filtering ponds 28 and tank 31, as shown in Figure 1.
In the present embodiment, two hot water heat exchangers 19 being arranged in series, high temperature filtration are equipped in the hot water heat exchange unit
Thermometer 12, flowmeter 13, Hand-operated butterfly valve 14, heat-exchanger pump 15, check valve 16, electric butterfly valve are successively arranged on water feed-line 33
17 and Hand-operated butterfly valve 18, be successively arranged on the second thermal medium export pipeline 42 to be added Hand-operated butterfly valve 7, electric butterfly valve 8, check valve 9,
Hand-operated butterfly valve 10 and electric butterfly valve 11 are successively arranged tower pump 21 and Hand-operated butterfly valve 22, storage on filter at low temperature water feed-line 43
Pond 31 is connected with washing slag water discharge pipe 20, and Hand-operated butterfly valve 23, slag flushing pump 24, list are successively arranged on washing slag water discharge pipe 20
To valve 25, electric butterfly valve 26 and Hand-operated butterfly valve 27.
In the present embodiment, filter layer 38 is equipped in filtering ponds 28, the top of filtering ponds 28, which is equipped with, can close the filtering
The removable vapour hood 6 in pond 28, high temperature filtration water feed-line 33, which is equipped with, tests and analyzes device.
In the present invention, removable vapour hood is set at the top of filtering ponds, in filtering ponds side close to high-altitude chimney
Place's setting vapor heat exchanger, is arranged one or more hot water heat exchanger in pump house, utilizes heat-exchanger pump, upper tower pump, slag flushing pump etc.
The non-powered equipment such as power-equipment and vapor heat exchanger, hot water heat exchanger realizes that filtering ponds bottom filtering and filtering pool surface steam
The thermal energy recycling of vapour reduces sulfur-bearing discharge of steam, realizes recycling for drainage.
In the present invention, one or more hot water heat exchanger is set in pump house, more hot water heat exchangers are according to existing
Field actual conditions connect in series or in parallel.Removable vapour hood is set at the top of filtering ponds, when flushing cinder removable steam
Cover is realized filtering ponds and is sealed, and sulfur-bearing steam is avoided to put idle discharge；Flushing cinder removes vapour hood after stopping clear convenient for grabbing slag operation
Manage slag particle in filtering ponds.
In the present invention, high-altitude chimney has enough height, is capable of forming enough negative pressure in filtering pool surface,
Under the action of in high-altitude, chimney negative-pressure sucking and vapour hood are sealed, the steam for filtering pool surface, which is pulled out filtering ponds and enters steam, to be changed
Hot device.Air-introduced machine can be set between filtering ponds and high-altitude chimney, steam heat-exchanging is entered after the steam on filter tank surface is detached
Device.Spray equipment is set in the chimney of high-altitude, and spray equipment sprays atomized water and steam collides and to form drop and fall into high-altitude chimney bottom
Portion.
In the present invention, when blast furnace slag flushing, slag-water slurry carries steam and enters filtering ponds, and setting can on filtering ponds
Moving steam cover is respectively drawn the high temperature filtration water of the steam and filtering bottom of pond portion that filter pool surface when flushing cinder, is changed through steam
The heat exchange action of hot device and hot water heat exchanger realizes the thermal energy recycling of filtering ponds, steam is avoided to put idle discharge.Blast furnace stops punching
Slag when needing to clear up slag particle in filtering ponds, is removed vapour hood convenient for grabbing slag operation.
In the present invention, high temperature filtration water after filtering bottom of pond portion outflow successively through excessive platform hot water heat exchanger,
The heating of heat medium (normal-temperature water or other media), normal-temperature water (or other thermal mediums to be added) are treated in completion in heat exchanging process
Laggard access customer pipe network is heated through pump house hot water heat exchanger.
In the present invention, high temperature filtration water temperature under the action of heat exchanger, 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 filtering ponds side
The steam of filtering ponds is drawn close to aperture at the chimney of high-altitude, the pipeline for drawing steam tilts upward, and avoids steam condensate (SC) in pipe
Corrosion pipeline is accumulated in road.
In the present invention, the steam of extraction largely condensed under the action of vapor heat exchanger after water droplet with pulp water
Mixture enters filtering ponds together, and fraction steam is not condensed into high-altitude chimney.Steam into high-altitude chimney is spraying
High-altitude chimney bottom, which is fallen behind in, as drop pendant under the action of device enters filtering ponds through slag-water slurry channel.
In the present invention, at filtering ponds outlet at bottom, the water quality for crossing drainage is tested and analyzed, is detected simultaneously
Cross temperature, the flow of drainage, and all testing results be timely fed back to blast furnace central control system, optimization blast furnace raw material and fuel quality and
Proportion, promotes smooth operation of furnace at optimization blast furnace operating.
Blast furnace grain slag system filtering ponds heat reclaiming system described in the utility model can be in Chinese patent CN
101265039 A (2008 publication dates September 17th, disclosed " a kind of environment-friendly type bottom filter process blast furnace slag treatment device and place
Reason method ") on the basis of improve, make full use of original chimney and pump house, do not increase additional floor, utilize heat exchanger
Complete the recycling of blast furnace grain slag system filtering ponds thermal energy.
Two hot water heat exchangers 19 are set in pump house, two heat exchangers connect in a series arrangement, high temperature filtration water (about 70
DEG C~90 DEG C) from filtering successively by two hot water heat exchangers 19 after bottom of pond portion flows out, completion is to room temperature in heat exchanging process
The heating of water.
Normal-temperature water (about 25 DEG C~35 DEG C) becomes hot water (about 60 DEG C~70 DEG C) after the heating of hot water heat exchanger 19, by list
Enter user's pipe network to valve 9, electric butterfly valve 8 and Hand-operated butterfly valve 7.High temperature filtration water is through heat-exchanger pump 15, check valve 16, electric butterfly valve
17 and Hand-operated butterfly valve 18 after enter hot water heat exchanger 19, under the action of heat exchanger temperature reduce become filter at low temperature water (about 50
DEG C~60 DEG C), filter at low temperature water enters cooling tower through upper tower pump 21 and Hand-operated butterfly valve 22, becomes cooling water (about after completing cooling
40 DEG C~45 DEG C) it is stored for future use into tank.When needing flushing cinder, cooling water is drawn from water storage bottom of pond portion, is mentioned through slag flushing pump 24
Power is risen, then flushing cinder point is guided into through check valve 25, electric butterfly valve 26 and Hand-operated butterfly valve 27 as low temperature washing slag water, realizes filtering
Water recycles.
Removable vapour hood 6 is set at the top of filtering ponds, the steam of filtering pool surface is sealed；Flushing cinder is removable after stopping
Dynamic vapour hood 6 is removed convenient for grabbing slag.
Draw the steam of filtering ponds close to the position aperture at top at high-altitude chimney 1 in filtering ponds side wall.Smoke aloft
Chimney 1 requires enough height (about 70 meters), can filtering pool surface formed enough negative pressure (about 500Pa~
1000Pa).If original chimney height is insufficient, it may be considered that increase chimney height up to meet demand or be arranged outside aperture
Air-introduced machine.
Under the action of the negative pressure and removable vapour hood 6 of chimney 1 or air-introduced machine seal in high-altitude, the steam of pool surface is filtered
It is pulled out filtering ponds and enters steam heat-exchanging unit 3.
Normal-temperature water (about 25 DEG C~35 DEG C) (or other hot mediums to be added) is (about 60 DEG C after the heating of steam heat-exchanging unit 3
~70 DEG C) enter user's pipe network, most of steam condenses into water droplet under the action of steam heat-exchanging unit 3, with slag-water slurry
Enter filtering ponds together, fraction steam is not condensed into high-altitude chimney 1, in high-altitude chimney 1 under the action of spray equipment 2
As water droplet, high-altitude chimney bottom is fallen into through slag-water slurry channel and enters filtering ponds.
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 temperature being installed
Degree meter 12 and flowmeter 13 detected temperature, the flow of drainage, and all testing results are timely fed back to control in blast furnace and are
System to optimization blast furnace raw material and fuel quality and proportion, optimization blast furnace operating, promotes smooth operation of furnace to play an important role.
Hot water (about 60 DEG C~70 DEG C) after heat exchanger heats is widely used, may be used as living after introducing user's pipe network
The bathing pool shower of water system, heat supply in winter are also used as material humidification preheating of industrial water system etc..Washing slag water in filtering ponds
It is effectively recycled with the thermal energy of steam, and reduces putting to idle discharge for sulfur-bearing steam, there is great meaning for energy-saving and emission-reduction
Justice.
The above, only specific embodiment of the utility model cannot limit the range that utility model is implemented, institute with it
With the displacement of its equivalent assemblies, or according to equivalent variations made by the utility model patent protection scope and modification, should all still fall within
The scope that this patent is covered.In addition, between technical characteristic and technical characteristic in the utility model, technical characteristic and technical application
Between novel, technical application it is novel it is novel with technical application between use can be freely combined.
Claims (10)
1. a kind of blast furnace grain slag system filtering ponds heat reclaiming system, which is characterized in that the blast furnace grain slag system filtering ponds heat
Energy recovery system includes high-altitude chimney (1), filtering ponds (28), pump house (29), cooling tower (30) and tank (31), filtering ponds
(28) it is externally provided with steam heat-exchanging unit (3), the top of filtering ponds (28) is equipped with steam discharge hole, is equipped with hot water in pump house (29)
Heat exchange unit, the steam discharge hole are connect by high-temperature steam feed-line (32) with steam heat-exchanging unit (3), the discharge of steam
The high-temperature steam of hole discharge is able to enter heat release in steam heat-exchanging unit (3), and the lower part of filtering ponds (28) is equipped with high temperature filtration water
Outlet, the high temperature filtration water out are connect by high temperature filtration water feed-line (33) with the hot water heat exchange unit, the high temperature mistake
The high temperature filtration water of filtered water outlet discharge is able to enter heat release in the hot water heat exchange unit.
2. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 1, which is characterized in that the blast furnace water
Slag system filtering ponds heat reclaiming system further includes the first thermal medium intake pipeline (34) to be added, the first thermal medium efferent duct to be added
Line (35), slag-water slurry discharge-channel (36) and condensed water feed-line (37), the first thermal medium intake pipeline (34) to be added
In the first thermal medium to be added be able to enter in the steam heat-exchanging unit (3) heat absorption and from the first thermal medium export pipeline to be added
(35) it is discharged, the high-temperature steam of steam discharge hole discharge is able to enter in steam heat-exchanging unit (3) heat release and defeated from condensed water
Pipeline (37) are sent to be discharged, the both ends of slag-water slurry discharge-channel (36) are connect with high-altitude chimney (1) and filtering ponds (28) respectively,
The condensed water that condensed water feed-line (37) can be discharged for slag-water slurry discharge-channel (36) is sent into filtering ponds (28).
3. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 2, which is characterized in that condensed water conveying
Pipeline (37) is connect by discharge of steam pipeline (39) with high-altitude chimney (1), the first thermal medium export pipeline (35) to be added and use
Family pipe network (40) connection, the first thermal medium export pipeline (35) to be added are equipped with electric butterfly valve (4) and Hand-operated butterfly valve (5).
4. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 2, which is characterized in that the steam heat-exchanging
An at least vapor heat exchanger is equipped in unit (3).
5. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 1, which is characterized in that high-temperature steam is defeated
Pipeline (32) are sent to be equipped with air-introduced machine.
6. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 1, which is characterized in that the blast furnace water
Slag system filtering ponds heat reclaiming system further includes the second thermal medium intake pipeline (41) to be added, the second thermal medium efferent duct to be added
Line (42) and filter at low temperature water feed-line (43), the second thermal medium energy to be added in the second thermal medium intake pipeline (41) to be added
Enough enter in the hot water heat exchange unit and absorbs heat and be discharged from the second thermal medium export pipeline (42) to be added, high temperature filtration water delivery pipe
High temperature filtration water in line (33) is able to enter heat release in the hot water heat exchange unit and arranges from filter at low temperature water feed-line (43)
Out.
7. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 6, which is characterized in that hot water heat exchange
More hot water heat exchangers (19) being arranged in parallel or series, the second thermal medium export pipeline (42) to be added and user are equipped in unit
Pipe network (40) connection, filter at low temperature water feed-line (43) are connect with cooling tower (30), and cooling tower (30) is located at tank (31)
Top.
8. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 7, which is characterized in that hot water heat exchange
It is equipped with two hot water heat exchangers (19) being arranged in series in unit, is successively arranged thermometer on high temperature filtration water feed-line (33)
(12), flowmeter (13), Hand-operated butterfly valve (14), heat-exchanger pump (15), check valve (16), electric butterfly valve (17) and Hand-operated butterfly valve
(18), Hand-operated butterfly valve (7), electric butterfly valve (8), check valve (9), hand are successively arranged on the second thermal medium export pipeline (42) to be added
Butterfly valve (10) and electric butterfly valve (11) are moved, tower pump (21) and Hand-operated butterfly valve are successively arranged on filter at low temperature water feed-line (43)
(22), tank (31) is connected with washing slag water discharge pipe (20), and washing slag water discharge pipe is successively arranged Hand-operated butterfly valve on (20)
(23), slag flushing pump (24), check valve (25), electric butterfly valve (26) and Hand-operated butterfly valve (27).
9. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 1, which is characterized in that filtering ponds (28)
Interior to be equipped with filter layer (38), the top of filtering ponds (28) is equipped with the removable vapour hood (6) that can close the filtering ponds (28).
10. blast furnace grain slag system filtering ponds heat reclaiming system according to claim 1, which is characterized in that high temperature filtration
Water feed-line (33), which is equipped with, tests and analyzes device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822223357.2U CN209352938U (en) | 2018-12-27 | 2018-12-27 | A kind of blast furnace grain slag system filtering ponds heat reclaiming system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822223357.2U CN209352938U (en) | 2018-12-27 | 2018-12-27 | A kind of blast furnace grain slag system filtering ponds heat reclaiming system |
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| CN209352938U true CN209352938U (en) | 2019-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457067A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of blast furnace grain slag system filtering ponds heat reclaiming system |
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2018
- 2018-12-27 CN CN201822223357.2U patent/CN209352938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457067A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of blast furnace grain slag system filtering ponds heat reclaiming system |
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