CN204630404U - A kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace - Google Patents
A kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace Download PDFInfo
- Publication number
- CN204630404U CN204630404U CN201520277667.6U CN201520277667U CN204630404U CN 204630404 U CN204630404 U CN 204630404U CN 201520277667 U CN201520277667 U CN 201520277667U CN 204630404 U CN204630404 U CN 204630404U
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- sintering
- blast
- water
- lithium bromide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace, comprise sintering region and blast furnace region, sintering region comprises the sintering machine large flue producing low-temperature flue gas, and central cooler 3,4 sections, also comprise two groups of flue gas type lithium bromide refrigerators, and share circulating water device and header tank, blast furnace region comprises two blast furnaces and needs water-cooled cooling wall, furnace bottom, coiled pipe, air port hot-blast valve, tuyere small sleeve, need the equipment of cooling and respective heat exchanger, pipeline is connected, and is connected with header tank by water pump.This device makes full use of the low temperature waste gas waste heat of sintering discharge, realizes the cooling of blast-furnace equipment, good energy-conserving effect, and Operation and Maintenance is simple, is conducive to intensification of smelting process in BF, improves output.
Description
Technical field
The utility model relates to low temperature exhaust heat recycle field, and especially metallurgy industry utilizes sintering low temperature waste heat to cool the device of circulation water of blast furnace.
Background technology
In steel manufacture process, sintering plant revamp almost accounts for 10% of whole enterprise energy consumption, is the second largest power consumption operation being only second to ironmaking.And have the heat energy of about 50% to be sintered main smoking gas in sintering circuit and central cooler waste gas is taken away, wherein sintering machine main takes out about the 13%-23% that flue gas residual heat accounts for sintering plant revamp, but the low temperature 100-150 degree UTILIZATION OF VESIDUAL HEAT IN of sintering machine large flue is ignored by numerous enterprises always, and large flue waste heat thermal source enriches, recovery heat is large, for energy-saving and cost-reducing very remarkable.Guaranteeing to have no adverse effects under prerequisite to sintering main process, if do not recycle the waste gas residual heat of this part, waste available energy on the one hand, on the other hand because EGT is higher, reduce the operational effect of lower one desulfurization process, there is " gypsum rain " and " white cigarette hangover " phenomenon when causing wet desulphurization device to put into operation simultaneously, form poor visual effect, affect iron and steel enterprise's image.
The temperature of existing sintering machine sintering ore removal reaches 700-800 degree in addition, cold air is elevated to 300-450 degree by temperature after central cooler 1 section, 2 sections of high temperature sintering ore beds, in order to make full use of residual heat resources, the two pressure waste heat boiler technology of current great majority employing is carried out recovery generation steam and is carried out cogeneration, reaches energy-saving and cost-reducing object.But for central cooler 3 sections, the low temperature exhaust heat of 100-200 degree of 4 sections, generally adopt directly discharge, cause low temperature exhaust heat to waste.Along with the increasing of government's energy-saving and emission-reduction dynamics, industrial energy saving will become the theme of future development, and for big power consumer iron and steel enterprise of today, and low temperature heat will welcome great development period.
Along with the development of cooling water technology and the requirement of national industrial policies, blast-furnace cooled water technology is directly cooled by industry water, cooling of gasifying, clean circulating water cooling, soft water and associating cooling of purifying waste water, develop to independent closed loop sofe water cooling and joint soft water sealing and circulating water cooling system.Heat exchange cooling device is one of equipment the most key in blast-furnace cooled water process, and the stability of soft water supply water temperature, the size of difference variation, will directly affect stability and the prolonging campaign of operation of blast furnace.Current domestic heat transmission equipment mainly contains pipe heat exchanger, aerial cooler, plate type heat exchanger, evaporative type cooler, closed cooling tower etc., pipe heat exchanger, aerial cooler, closed cooling tower, nearly all there is water loss on the high side, the investment of whole system, energy consumption and operating cost all can not reach most economical feature.Even if at present adopt more hairdo air cooler, its cooling procedure also will consume energy consumption, and water temperature can not effectively ensure in four seasons Various Seasonal, special standby be summer cooling effect more undesirable, need supplementary a large amount of cooling water to ensure blast furnace cooling circulating water temperature.And rationally effectively controlling of water temperature, be not only conducive to intensification of smelting process in BF, and can output be improved.
Utility model content
For the cooling scheme that the waste of existing sintering region low temperature exhaust heat and circulation water of blast furnace cool, the main purpose of the technical scheme that the utility model provides is:
A kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace is provided.
To achieve these goals, the utility model have employed following technical scheme:
Utilize sintering low temperature waste heat to cool a device for circulation water of blast furnace, wherein, comprising:
Sintering region and blast furnace region;
Sintering region and blast furnace region;
Described sintering region comprises central cooler 3,4 sections, sintering machine large flue, two-stage multi-pipe dust removing device, bag-type dust collector, switch valve, lithium bromide refrigerator, circulating water device; Central cooler 3,4 sections of connection dust arresters, the outlet of dust arrester is communicated with the first lithium bromide refrigerator by transfer valve, and the first lithium bromide refrigerator is communicated with circulating water device with header tank by pump, valve; Sintering machine large flue is connected with two-stage multi-pipe dust removing device, the outlet of two-stage multi-pipe dust removing device is communicated with bag-type dust collector, bag-type dust collector is communicated with the second lithium bromide refrigerator by the second switch valve, first switch valve is communicated with blower fan, and the second lithium bromide refrigerator is communicated with circulating water device with header tank by pump, valve;
Described blast furnace region, comprises the cooling wall of No. 1 blast furnace, No. 2 blast furnaces, furnace bottom, coiled pipe, air port hot-blast valve, tuyere small sleeve, heat exchanger, pipeline; The cooling wall of No. 1 blast furnace, No. 2 blast furnaces, furnace bottom, coiled pipe, air port hot-blast valve, tuyere small sleeve, be connected with respective heat exchanger by water pump, heat exchanger is connected with header tank by water pump.
Another side of the present invention also comprises the second described lithium bromide refrigerator setup of entrances and exits valve, can automatically switch.
Another side of the present invention also comprises first, second described lithium bromide refrigerating machine common recycle water device.
Another side of the present invention also comprises the cold water that first, second described lithium bromide refrigerating machine produces and shares header tank.
Another side of the present invention is also comprised described header tank and is connected by the heat-exchanger rig of respective water pump with No. 1, No. 2 blast furnace.
Another side of the present invention also comprises after described sintering circular-cooler 3,4 sections of waste heat flue gases collect and enters the first lithium bromide refrigerator, exports and is arranged outward by chimney.
It should be noted that the present invention sinters area equipment two-stage multi-pipe dust removing device, bag-type dust collector can adopt electric dust collector.
It should be noted that the cooling of blast furnace area equipment of the present invention can according to the requirement of different type of furnace technique, cooling wall, furnace bottom, coiled pipe, air port hot-blast valve, tuyere small sleeve, heat exchanger, the mode that pipeline etc. carry out series, parallel combines, and according to the requirement of pressure, branch line can increase water pump and improve pressure.
By the enforcement to technical solutions of the utility model, following technique effect can be obtained:
1, energy-conservation; Utilize the low temperature exhaust heat waste gas of outer row, use lithium bromide steam refrigerating unit, not only effectively can reduce the waste of waste gas residual heat resource, improve the cooling effect of blast furnace, and greatly can also reduce the cost of blast-furnace equipment cooling procedure electric energy.
2, effectively can improve the cooling effect of blast-furnace equipment, reduce amount of makeup water; Particularly reduce a large amount of cooling water that supplements summer and ensure blast furnace cooling circulating water temperature.
3, refrigerating capacity adjustable range is wide; Can carry out the step-less adjustment of refrigerating capacity during operation in load range, and the thermal efficiency is almost constant.Make the cooling of blast furnace and equipment obtain rationally effectively controlling, be not only conducive to intensification of smelting process in BF, and can output be improved.
4, reduce when sintering wet desulphurization device puts into operation and there is " gypsum rain " and " white cigarette hangover " phenomenon, change the effect of current sight equation.
5, whole system easy temperature control, processing ease, easy to maintenance, operating cost is lower, meets recycling economy, is the developing direction that smelter realizes energy-saving and emission-reduction and environmental protection.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation utilizing sintering low temperature waste heat to cool circulation water of blast furnace device of the present utility model.
Detailed description of the invention
Be described technical scheme of the present invention below by way of specific embodiment, with under the conflict free prerequisite of object of the present invention, the technical characteristic in the embodiment hereinafter mentioned and embodiment can combine mutually.
As shown in Figure 1, being denoted as in figure: 1-sintering machine, 2-sintering machine large flue, 3-two-stage multi-pipe dust removing device, 4-bag-type dust collector, 5-valve 1, 6-blower fan, 7-desulfuring and denitrifying apparatus, 8-chimney 1, 9-central cooler, 10-1, 2 sections of air blasts, 11-3, 4 sections of air blasts, 12-1, 2 sections of smoke exhaust barrel, 13-device for generating power by waste heat, 14-3, 4 sections of smoke exhaust barrel, 15-dust arrester, 16-chimney 2, 17-water pump 1, 18-valve 4, 19-the 1st flue gas type lithium bromide cooler, 20-water pump 2, 21-header tank, 22-cyclic water tank, 23-water pump 3, 24-water pump 4, 25-valve 3, 26-second flue gas type lithium bromide cooler, 27-valve 2,
301-1 blast furnace heat-exchanger rig, 311-1 blast furnace water pump, 321-1 Blast Furnace Bottom, 331-1 Blast Furnace Bottom coiled pipe, 341-1 blast-furnace tuyere hot-blast valve, 351-1 blast furnace tuyere small sleeve, 361-1 blast furnace cooling stave, the degassed expansion drum of 371-1 blast furnace, 381-water pump 5.
302-2 blast furnace heat-exchanger rig, 312-2 blast furnace water pump, 322-2 Blast Furnace Bottom, 332-2 Blast Furnace Bottom coiled pipe, 342-2 blast-furnace tuyere hot-blast valve, 352-2 blast furnace tuyere small sleeve, 362-2 blast furnace cooling stave, the degassed expansion drum of 372-2 blast furnace, 38,2-water pump 6.
The technical solution adopted in the present invention is: utilize the air blast of 3,4 of central cooler sections to be collected through smoke exhaust barrel by the waste heat of the 100-200 degree of sintering deposit, and after dust arrester dedusting, enters the first lithium bromide refrigerating mechanism cold; The waste gas of sintering machine large flue 100-150 degree, after two-stage multi-pipe dust removing device, bag-type dust collector dedusting, enters the second lithium bromide refrigerating mechanism cold; First lithium bromide refrigerating machine, the second lithium bromide refrigerating machine share the circulating water device of cold water header tank and the cooling water produced.
Header tank is connected with the heat-exchanger rig of No. 1, No. 2 blast furnace by respective water pump.No. 1, No. 2 blast furnace cooling systems are through water pump, water source in heat-exchanger rig after heat exchange is sent into the cooling wall that blast furnace needs cooling, furnace bottom, coiled pipe, air port hot-blast valve, tuyere small sleeve etc., from cooling device water source out, after degassed expansion drum, enter heat exchanger, recycle after heat exchange cooling.
Embodiment of the present invention relates to a kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace, and for making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail:
Fig. 1 is device schematic diagram of the present invention, this device sintering region mainly comprises, the waste heat of the 300-400 degree of sintering deposit is passed through to enter device for generating power by waste heat (13) after smoke exhaust barrel (12) is collected and generates electricity by the air blast (10) of 1,2 sections of central cooler (9); The waste heat of the 100-200 degree of sintering deposit carries out collecting and after dust arrester (15) dedusting through smoke exhaust barrel (14) by the air blast (11) of 3,4 sections of central cooler (9), enter the first lithium bromide refrigerator (19) refrigeration, cooled flue gas enters air through chimney (16); Large flue (2) the 100-150 degree waste gas of sintering machine (1) is after dust arrester [two-stage multi-pipe dust removing device (3), bag-type dust collector (4)] dedusting, the second lithium bromide refrigerator (26) refrigeration is entered through switch valve 2 (27), cooled waste gas, by after main exhaust fan (6) and exhuast gas desulfurization denitrification apparatus (7), enters air through chimney (8).Valve 1 (5) and valve 2 (27) can switch between main pipeline and the second lithium bromide refrigerator (26).
First lithium bromide refrigerating machine (19), the second lithium bromide refrigerating machine (26) utilize the heat energy of waste gas to produce cold water for medium, cold water enters shared header tank (21), between water pump 1 (17), valve 4 (18) and water pump 4 (24), valve 3 (25) are set; The recirculated water of two BrLi chiller (19,26) enters common recycle water device (22) through respective water pump (20,23).
This device blast furnace region mainly comprises: No. 1, the heat-exchanger rig (301 of No. 2 blast furnaces, 302) from header tank (21) by respective water pump (381, 382) be connected, carry out heat exchange, water source after exchange is through water pump (311, 312) cooling wall (361 that blast furnace needs cooling is sent into, 362), furnace bottom (321, 322), coiled pipe (331, 332), air port hot-blast valve (341, 342), tuyere small sleeve (351, 352) equipment such as, the water source returned after cooling device, through the degassed expansion drum (371 of blast furnace, 372) carry out degassed after enter heat exchanger (301, 302) after heat exchange cooling, recycle.
The present invention is provided with temperature-detecting device in addition, pressure-detecting device, the checkout gears such as the detection of gas flow, discharge, level sensing, and coupling system technique, Control System Software carry out unifying to control, and realize full-automatic production.
What needs further illustrated is that implementation process also establishes sintering using smoke from big gas duct, central cooler flue gas, each system water yield, lithium-bromide solution, the hydronic cooling wall of blast furnace, furnace bottom, coiled pipe, dynamic data base and the Mathematical Modelings such as air port hot-blast valve, tuyere small sleeve, the intellectualized operation realizing system controls.
Be not difficult to find, the utility model is by utilizing sintering circular-cooler waste heat, the waste gas low temperature exhaust heat of sintering machine large flue, use lithium bromide steam refrigerating unit refrigeration, not only effectively can improve the cooling effect of blast furnace, reduce the waste of waste gas residual heat resource, greatly can also reduce the electric energy of running, reduce water resource waste, simultaneously because cooling system amount adjustable range is broadening, the step-less adjustment of refrigerating capacity can be carried out in load range during operation, the cooling of blast furnace and equipment is made to obtain rationally effectively controlling, be conducive to intensification of smelting process in BF, improve output, for domestic low temperature heat, the integrated application of blast-furnace equipment cooling and resource opens the new a kind of approach more having market prospects, achieve recycling economy, it is the developing direction that smelter realizes energy-saving and emission-reduction.
The above embodiments are only that part of the present utility model embodies; can not contain all of the present utility model; on the basis of above-described embodiment and accompanying drawing; those skilled in the art can obtain more embodiment according to the utility model under the prerequisite not paying creative work; and similar transformation is carried out to other similar items, therefore these embodiments obtained under not paying the prerequisite of creative work all should be included in protection domain of the present utility model.
Claims (6)
1. utilize sintering low temperature waste heat to cool a device for circulation water of blast furnace, comprise sintering region and blast furnace region, it is characterized in that, comprising:
Described sintering region comprises central cooler 3,4 sections, sintering machine large flue, two-stage multi-pipe dust removing device, bag-type dust collector, switch valve, lithium bromide refrigerator, circulating water device; Central cooler 3,4 sections of connection dust arresters, the outlet of dust arrester is communicated with the first lithium bromide refrigerator by transfer valve, and the first lithium bromide refrigerator is communicated with circulating water device with header tank by pump, valve; Sintering machine large flue is connected with two-stage multi-pipe dust removing device, the outlet of two-stage multi-pipe dust removing device is communicated with bag-type dust collector, bag-type dust collector is communicated with the second lithium bromide refrigerator by the first switch valve, second switch valve is communicated with blower fan, and the second lithium bromide refrigerator is communicated with circulating water device with header tank by pump, valve;
Described blast furnace region, comprises the cooling wall of No. 1 blast furnace, No. 2 blast furnaces, furnace bottom, coiled pipe, air port hot-blast valve, tuyere small sleeve, heat exchanger, pipeline; The cooling wall of No. 1 blast furnace, No. 2 blast furnaces, furnace bottom, coiled pipe, air port hot-blast valve, tuyere small sleeve, be connected with respective heat exchanger by water pump, heat exchanger is connected with header tank by water pump.
2. a kind of sintering low temperature waste heat that utilizes cools the device of circulation water of blast furnace as claimed in claim 1, it is characterized in that the second lithium bromide refrigerator setup of entrances and exits valve, can automatically switch.
3. a kind of sintering low temperature waste heat that utilizes cools the device of circulation water of blast furnace as claimed in claim 1, it is characterized in that first, second lithium bromide refrigerating machine common recycle water device.
4. a kind of sintering low temperature waste heat that utilizes cools the device of circulation water of blast furnace as claimed in claim 1, it is characterized in that the cold water that first, second lithium bromide refrigerating machine is produced shares header tank.
5. a kind of sintering low temperature waste heat that utilizes cools the device of circulation water of blast furnace as claimed in claim 1, it is characterized in that header tank passes through respective water pump and is connected with the heat-exchanger rig of No. 1, No. 2 blast furnace.
6. a kind of sintering low temperature waste heat that utilizes cools the device of circulation water of blast furnace as claimed in claim 1, it is characterized in that sintering circular-cooler 3,4 sections of waste heat flue gases enter the first lithium bromide refrigerator after collecting, exports and arranged outward by chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277667.6U CN204630404U (en) | 2015-04-28 | 2015-04-28 | A kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277667.6U CN204630404U (en) | 2015-04-28 | 2015-04-28 | A kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204630404U true CN204630404U (en) | 2015-09-09 |
Family
ID=54049421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520277667.6U Expired - Fee Related CN204630404U (en) | 2015-04-28 | 2015-04-28 | A kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204630404U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318735A (en) * | 2015-04-28 | 2016-02-10 | 李正福 | Device and method used for cooling blast furnace circulating water with sintering low-temperature exhaust heat |
| CN105950809A (en) * | 2016-06-23 | 2016-09-21 | 北京科技大学 | Cooling water circulation system for hot-state tests of blast furnace cooler |
| CN106086260A (en) * | 2016-06-23 | 2016-11-09 | 北京科技大学 | A kind of high-temperature reactor chiller multi-function test stand |
-
2015
- 2015-04-28 CN CN201520277667.6U patent/CN204630404U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318735A (en) * | 2015-04-28 | 2016-02-10 | 李正福 | Device and method used for cooling blast furnace circulating water with sintering low-temperature exhaust heat |
| CN105318735B (en) * | 2015-04-28 | 2017-10-31 | 李正福 | A kind of utilization sintering low temperature waste heat cools down the device of circulation water of blast furnace |
| CN105950809A (en) * | 2016-06-23 | 2016-09-21 | 北京科技大学 | Cooling water circulation system for hot-state tests of blast furnace cooler |
| CN106086260A (en) * | 2016-06-23 | 2016-11-09 | 北京科技大学 | A kind of high-temperature reactor chiller multi-function test stand |
| CN105950809B (en) * | 2016-06-23 | 2017-12-08 | 北京科技大学 | A kind of cooling water recirculation system for blast furnace cooler hot test |
| CN106086260B (en) * | 2016-06-23 | 2017-12-12 | 北京科技大学 | A kind of high-temperature reactor cooling device multi-function test stand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102353276B (en) | Waste heat comprehensive utilization power generation system and power generation method for sintering production line | |
| CN103542446A (en) | Afterburning absorption heat exchanger unit | |
| CN101871042A (en) | Method and device for reusing flue gas waste heat of annealing furnace of continuous annealing unit | |
| CN204630404U (en) | A kind of device utilizing sintering low temperature waste heat to cool circulation water of blast furnace | |
| CN105318735A (en) | Device and method used for cooling blast furnace circulating water with sintering low-temperature exhaust heat | |
| CN203489246U (en) | Boiler smoke waste-heat application system | |
| CN104406186A (en) | Flue gas water recycling system | |
| CN107218591B (en) | A kind of externally arranged steam cooler system heating heat primary air | |
| CN202924954U (en) | Waste heat recycling system for coke oven gas primary cooler | |
| CN202947489U (en) | Waste-heat cascaded utilization system at low-temperature sections of sintering circular cooling machine | |
| CN104728826A (en) | Constant temperature economizer | |
| CN205640887U (en) | Sediment waste heat utilization's air -cooled system at bottom of improvement circulating fluidized bed boiler | |
| CN201653168U (en) | Heat pipe type waste heat recovery special apparatus for high temperature high dust laden smoke in metallurgy furnace | |
| CN203586532U (en) | Hot water and steam co-production boiler device | |
| CN101995166A (en) | Metallurgical furnace dedusting waste heat recovery machine and method | |
| CN205535923U (en) | Cleaning type coal fired boiler discharges fume waste heat and puies forward matter and utilize system | |
| CN205398666U (en) | System is dealt with to converter flue gas behind vaporization cooling pipeline | |
| CN205332824U (en) | Kiln low temperature exhaust gas cycle recycle power generation system | |
| CN216513941U (en) | Flue gas waste heat utilization system of blast furnace hot blast stove | |
| CN204737978U (en) | Converter coal gas processing system | |
| CN203685396U (en) | Energy-saving system capable of utilizing cooling capacity generated by depressurization of natural gas of fuel gas power plant | |
| CN204678310U (en) | Constant temperature economizer | |
| CN213507037U (en) | Combined system of smelting waste heat and blast furnace gas | |
| CN201368447Y (en) | High-temperature phase-change heat accumulating type dry-quenched steel afterheat power generation device in steel production flows | |
| CN214842698U (en) | Waste heat recovery system for sand washing water of steel mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20170428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |