CN202626213U - Device for generating hot water by using waste heat of blast furnace slag - Google Patents
Device for generating hot water by using waste heat of blast furnace slag Download PDFInfo
- Publication number
- CN202626213U CN202626213U CN2012203206572U CN201220320657U CN202626213U CN 202626213 U CN202626213 U CN 202626213U CN 2012203206572 U CN2012203206572 U CN 2012203206572U CN 201220320657 U CN201220320657 U CN 201220320657U CN 202626213 U CN202626213 U CN 202626213U
- Authority
- CN
- China
- Prior art keywords
- water
- heat exchanger
- waste heat
- steam
- furnace slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/072—Tanks to collect the slag, e.g. water tank
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/066—Receptacle features where the slag is treated
- C21B2400/074—Tower structures for cooling, being confined but not sealed
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/08—Treatment of slags originating from iron or steel processes with energy recovery
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a device for generating hot water by using waste heat of blast furnace slag, which comprises a collection tower, a vapor-water heat exchanger, a circulating pump I, a circulating pump II, a slag flushing water tank and a water-water heat exchanger, wherein the collection tower is provided with a slag inlet, a water inlet, a slag water discharge port and a vapor channel; the vapor-water heat exchanger is arranged in the vapor channel; the slag flushing water tank is connected with the slag water discharge port, and the other end is connected with the water inlet of the collection tower; one end of the circulating pump II is connected with the slag water discharge port, and the other end is connected with the water-water heat exchanger; the peripheral inner wall of the collection tower is fixedly provided with an annular pipeline; the inner side of the pipeline is evenly distributed with at least two high pressure nozzles; and the pipeline is connected with a compressed air pipeline and the water inlet of the collection tower. The device provided by the utility model condenses abundant vapor and adsorbs abundant dust, has favorable waste heat utilization effect, and is a slag waste heat utilization device applicable to large/medium/small-size blast furnaces.
Description
Technical field
The utility model relates to a kind of residual heat using device, refers in particular to utilize the blast-furnace slag waste heat to produce the device of hot water.
Background technology
Chinese patent specification sheets CN201010101522.2 discloses a kind of iron-smelting blast furnace steam of flushing cinder and afterheat of hot water collection method and device thereof, and this device is primarily aimed at grain slag method blast furnace slag and handles, and this residual heat collection device comprises steam of flushing cinder loop, flushing cinder water heat exchange circulation loop and working medium circulation loop; Produce about 100 ℃ a large amount of steam in this device flushing cinder process, it mainly produces the form recovery of electric energy with steam driven, because temperature is low; This device recovery waste heat capacity factor is not very high; Thereby the condensation preferably of wherein a part of steam is discharged in the air, and it is many that another problem is discharged dust exactly, and the dust that produces in the flushing cinder process passes through flue, interchanger together with steam; Be discharged into aerial; After the interchanger working hour was long, the surface can depend on amounts of dust, and the heat exchange effect will reduce.
The utility model content
Except grain slag method blast furnace slag treatment technology; Part enterprise adopts the wind method blast furnace slag treatment technology of quenching, and compares with the grain slag method, and wind is quenched method because the flushing cinder water yield is few; Most of water becomes steam; The flushing cinder water yield seldom, to account for the ratio of whole waste heats very low for callable waste heat in the flushing cinder water, different fully with the grain slag method.Simultaneously, the wind method water loss of quenching is big, and waste heat recovery is difficulty more.In view of this, the purpose of the utility model is to utilize the blast-furnace slag waste heat to produce the device of hot water, and the waste heat of main reason blast furnace slag flushing produces hot water and is used for heating, bathroom heating etc., and efficiency of utilization is high.Steam and absorption amounts of dust that this device is a large amount of with condensation, UTILIZATION OF VESIDUAL HEAT IN is effective, applicable to the blast-furnace slag residual heat using device of large, medium and small all size.
In order to solve the problems of the technologies described above; The device that the utility model utilizes the blast-furnace slag waste heat to produce hot water comprises collects tower, steam water heat exchanger, and recycle pump I, recycle pump II, flushing cinder pond, water-water heat exchanger are collected tower and be provided with slag inlet, water-in, the deslagging mouth of a river, vapour passage; Steam water heat exchanger is arranged in the vapour passage; The flushing cinder pond is connected with the deslagging mouth of a river, and the other end is connected with the water-in of collecting tower, and recycle pump II one end is connected with the flushing cinder pond; The other end is connected with water-water heat exchanger; Said collection tower is set with circulating line on the inwall on every side, is uniformly distributed with on the said insides of pipes to be provided with to be no less than 2 high pressure spray nozzles, and said pipe connection has the water-in of compressed air line and said collection tower.
Further, said compressed air line is provided with and is no less than 2 small transfer lines, the corresponding high pressure spray nozzle that is connected with of said small transfer line;
Further, be provided with the long collapsible passage of many parallel narrow between the said steam water heat exchanger upper and lower surfaces;
Further, be set with the dust-filtering net between said steam water heat exchanger and the slag inlet, said dust-filtering net constitutes by forming netted corrosion resistant material;
Further, said steam water heat exchanger is connected with water-water heat exchanger, and said water-water heat exchanger is a serial or parallel connection, and interchanger links to each other with heating device or bathroom pipeline through rising pipe.
The beneficial effect of the utility model is:
1. the utility model utilizes device that the blast-furnace slag waste heat produces hot water through in collecting tower, being provided with a plurality of high pressure spray nozzles and utilizing a large amount of vaporific steam of pressurized air to come condensed steam and absorption dust, and condensed high-temperature water carries out the heat exchange cooling through the recycle pump II;
2. the utility model utilizes the device of blast-furnace slag waste heat generation hot water in collecting tower, netted iron wire to be set and filters the effect of absorption dust, the pollution of minimizing steam water heat exchanger, the heat exchange effect of raising steam water heat exchanger;
3. the utility model utilizes device that the blast-furnace slag waste heat produces hot water through the channel architecture of steam water heat exchanger is set; Increase the heat interchanging area of steam water heat exchanger; Reach maximum cooling heat transferring effect, reduce steam, solved the wind big problem of method water loss of quenching directly to airborne release.
Description of drawings
Below in conjunction with accompanying drawing and embodiment of the present invention the present invention is done further detailed explanation:
Fig. 1 produces the structural representation of the device of hot water for the utility model utilizes the blast-furnace slag waste heat;
Fig. 2 is the local structure figure of A-A place among Fig. 1.
Reference numeral: 1-collects tower; The 2-steam water heat exchanger; The 3-slag-drip opening; 4-recycle pump I; 5-flushing cinder pond; 6-recycle pump II; The 7-water-water heat exchanger; The 8-water-in; The 9-compressed air line; The 10-pipeline; The 11-high pressure spray nozzle; 12-dust-filtering net.
Embodiment
Elaborate below in conjunction with the accompanying drawing specific embodiments of the invention:
Being illustrated in figure 1 as the utility model utilizes the blast-furnace slag waste heat to produce the structural representation of the device of hot water; Be illustrated in figure 2 as the local structure figure of A-A place among Fig. 1; The device that the utility model utilizes the blast-furnace slag waste heat to produce hot water comprises collects tower 1, steam water heat exchanger 2; Recycle pump I 4, flushing cinder pond 5, recycle pump II 6, water-water heat exchanger 7 are collected tower and are provided with slag inlet 3, water-in 8, the deslagging mouth of a river, vapour passage, and steam water heat exchanger 2 is arranged in the vapour passage; Flushing cinder pond 5 is connected with the deslagging mouth of a river; Recycle pump I 4 one ends are connected with flushing cinder pond 5, and the other end is connected with the water-in 8 of collecting tower 1, and recycle pump II 6 one ends are connected with flushing cinder pond 5; The other end is connected with water-water heat exchanger 7; Collection tower 1 is set with circulating line 10 on the inwall on every side, is uniformly distributed with on said pipeline 10 inboards to be provided with to be no less than 2 high pressure spray nozzles 11, and said pipeline 10 is connected with compressed air line 9 and the water-in 8 of collecting tower 1.
Further, compressed air line 9 is provided with and is no less than 2 small transfer lines, the corresponding high pressure spray nozzle 11 that is connected with of said small transfer line.
Produce a large amount of steam, about 90 ℃ flushing cinder water and dust during blast furnace slag flushing; Steam, flushing cinder water and dust are got into by slag inlet 3 and collect tower; Steam and dust can rise through vapour passage; The high pressure spray nozzle 11 that evenly be provided with on the pipeline 10 this moment is gone out a large amount of steam under the pressurized air effect; This steam carries out condensation and adsorption to most of steam and dust, and another part steam continues to rise and gets into steam water heat exchanger 2 through dust-filtering net 12 and carries out heat exchange, and dust-filtering net 12 will carry out adsorption filtration to dust.
Further, be provided with the long collapsible passage of many parallel narrow between steam water heat exchanger 2 upper and lower surfaces, this channel architecture can increase the heat interchanging area of steam water heat exchanger 2, reaches maximum cooling heat transferring effect, reduces steam directly to airborne release.
Further, be set with the dust-filtering net between steam water heat exchanger 2 and the slag inlet 3, dust-filtering net 12 constitutes by forming netted corrosion resistant material; This corrosion resistant material is preferably steel wire, and this dust-filtering net 12 utilizes the steam of high pressure spray nozzle 11 ejections to be sprayed on the steel wire, and the steam on the steel wire carries out condensation to steam and forms the globule and dust is produced adsorption.
Further; Steam water heat exchanger 2 is connected with cold water pipe and hot-water line, and hot-water line is connected with water-water heat exchanger 7, and water-water heat exchanger 7 links to each other with heating device or bathroom pipeline through rising pipe; Little for small blast furnace flushing cinder amount; The waste heat amount is not high, can adopt the steam water heat exchanger 2 and the mode of water-water heat exchanger 7 parallel connections to carry out heat exchange, and the hot water that interchanger produces supplies heating device or bathroom to use.Also can adopt steam water heat exchanger 2 and water-water heat exchanger 7 placed in-line modes, improve the temperature that produces hot water.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although the preferred embodiment through with reference to the utility model is described the utility model; But those of ordinary skill in the art should be appreciated that and can make various changes to it in form with on the details, and the spirit and the scope of the utility model that does not depart from appended claims and limited.
Claims (6)
1. a device that utilizes the blast-furnace slag waste heat to produce hot water comprises and collects tower, steam water heat exchanger, recycle pump I, recycle pump II, flushing cinder pond, water-water heat exchanger; Collect tower and be provided with slag inlet, water-in, the deslagging mouth of a river and vapour passage; Steam water heat exchanger is arranged in the vapour passage, and the flushing cinder pond is connected with the deslagging mouth of a river, and recycle pump I one end is connected with the flushing cinder pond; The other end is connected with the water-in of collecting tower; Recycle pump II one end is connected with the flushing cinder pond, and the other end is connected with water-water heat exchanger, it is characterized in that: be set with circulating line on the inwall around the said collection tower; Be uniformly distributed with on the said insides of pipes to be provided with and be no less than 2 high pressure spray nozzles, said pipe connection has the water-in of compressed air line and said collection tower.
2. the device that utilizes the blast-furnace slag waste heat to produce hot water as claimed in claim 1, it is characterized in that: said compressed air line is provided with and is no less than 2 small transfer lines, the corresponding high pressure spray nozzle that is connected with of said small transfer line.
3. the device that utilizes the blast-furnace slag waste heat to produce hot water as claimed in claim 1 is characterized in that: be provided with the long collapsible passage of many parallel narrow between the said steam water heat exchanger upper and lower surfaces.
4. the device that utilizes the blast-furnace slag waste heat to produce hot water as claimed in claim 3, it is characterized in that: be set with the dust-filtering net between said steam water heat exchanger and the slag inlet, said dust-filtering net constitutes by forming netted corrosion resistant material.
5. the device that utilizes the blast-furnace slag waste heat to produce hot water as claimed in claim 1 is characterized in that: said steam water heat exchanger is parallelly connected relation with water-water heat exchanger.
6. the device that utilizes the blast-furnace slag waste heat to produce hot water as claimed in claim 1, it is characterized in that: said steam water heat exchanger and water-water heat exchanger are series relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203206572U CN202626213U (en) | 2012-07-04 | 2012-07-04 | Device for generating hot water by using waste heat of blast furnace slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203206572U CN202626213U (en) | 2012-07-04 | 2012-07-04 | Device for generating hot water by using waste heat of blast furnace slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202626213U true CN202626213U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012203206572U Expired - Lifetime CN202626213U (en) | 2012-07-04 | 2012-07-04 | Device for generating hot water by using waste heat of blast furnace slag |
Country Status (1)
| Country | Link |
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| CN (1) | CN202626213U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060498A (en) * | 2013-01-09 | 2013-04-24 | 北京世纪源博科技股份有限公司 | Blast furnace cinder flushing water residual heat power generation system |
| CN103060494A (en) * | 2013-01-09 | 2013-04-24 | 北京世纪源博科技股份有限公司 | Vapor recovery blast furnace slag flushing water system |
| CN104087691A (en) * | 2014-07-23 | 2014-10-08 | 福建立信换热设备制造股份公司 | Process for recycling waste heat of slag flushing water vapor and dispersing fog and equipment adopted in same |
| CN104250669A (en) * | 2013-06-28 | 2014-12-31 | 北京亿玮坤节能科技有限公司 | Blast furnace slag flushing steam waste heat recycling method and system |
| CN104818358A (en) * | 2015-04-06 | 2015-08-05 | 北京首钢国际工程技术有限公司 | Blast furnace water flushing slag steam waste heat recycling process |
| CN109457070A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of blast furnace granulated slag process steam disappears bletilla heat reclaiming system |
-
2012
- 2012-07-04 CN CN2012203206572U patent/CN202626213U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060498A (en) * | 2013-01-09 | 2013-04-24 | 北京世纪源博科技股份有限公司 | Blast furnace cinder flushing water residual heat power generation system |
| CN103060494A (en) * | 2013-01-09 | 2013-04-24 | 北京世纪源博科技股份有限公司 | Vapor recovery blast furnace slag flushing water system |
| CN103060498B (en) * | 2013-01-09 | 2015-03-11 | 北京世纪源博科技股份有限公司 | Blast furnace cinder flushing water residual heat power generation system |
| CN103060494B (en) * | 2013-01-09 | 2016-01-27 | 北京世纪源博科技股份有限公司 | A kind of vapor recovery type blast furnace slag flushing water system |
| CN104250669A (en) * | 2013-06-28 | 2014-12-31 | 北京亿玮坤节能科技有限公司 | Blast furnace slag flushing steam waste heat recycling method and system |
| CN104087691A (en) * | 2014-07-23 | 2014-10-08 | 福建立信换热设备制造股份公司 | Process for recycling waste heat of slag flushing water vapor and dispersing fog and equipment adopted in same |
| CN104087691B (en) * | 2014-07-23 | 2016-01-13 | 福建立信换热设备制造股份公司 | The technique of washing slag water steam heat recovery and fog dispersal and the equipment adopted |
| CN104818358A (en) * | 2015-04-06 | 2015-08-05 | 北京首钢国际工程技术有限公司 | Blast furnace water flushing slag steam waste heat recycling process |
| CN109457070A (en) * | 2018-12-27 | 2019-03-12 | 中冶京诚工程技术有限公司 | A kind of blast furnace granulated slag process steam disappears bletilla heat reclaiming system |
| CN109457070B (en) * | 2018-12-27 | 2023-12-05 | 中冶京诚工程技术有限公司 | Steam whitening and heat energy recovery system for blast furnace water slag process |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |