CN204648982U - A kind of cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment - Google Patents
A kind of cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment Download PDFInfo
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- CN204648982U CN204648982U CN201520276279.6U CN201520276279U CN204648982U CN 204648982 U CN204648982 U CN 204648982U CN 201520276279 U CN201520276279 U CN 201520276279U CN 204648982 U CN204648982 U CN 204648982U
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- heat
- flue gas
- heat exchange
- waste heat
- kiln tail
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a kind of cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment, comprise vertical steelframe, steelframe upper end arranges inlet flue duct, steelframe lower end arranges exhaust pass, some groups of interconnective heat exchange bobbin carriages are set between inlet flue duct and exhaust pass, often organize heat exchange bobbin carriage and an import header and an outlet header are set, described heat exchanger tube case comprises framework, frame perimeter is provided with thermal insulating warm-keeping layer, arrange along the vertical heat-transfer area of flue gas flow direction in framework, import header is connected with heat-transfer area with outlet header, import header in two adjacent groups heat exchange bobbin carriage is connected by piping with outlet header.The utility model solves that horizontal layout, floor space are large, civil engineering and equipment cost is high, metal consumption is large and easily cause damage, the large mounting cost of project site welding technology installation workload high-leveled and difficult with problems such as controls to pressure restraining element in manufactory's transportation of dispatching from the factory in bulk.
Description
Technical field
The utility model relates to a kind of flue gas waste heat recovery equipment, relates more specifically to a kind of cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment.
Background technology
Fume afterheat resource belongs to secondary energy sources, is the product after primary energy or combustible material are changed, or fuel combustion
The heat that the heat sent in burning process is remaining after completing a certain technical process.According to temperature grade, industrial, waste heat is generally divided into the high-temperature residual heat of more than 600 DEG C and the low temperature exhaust heat of less than 300 DEG C.
Low temperature exhaust heat amount is large, temperature distribution range is wide, account for more than 50% of industrial waste heat resource total amount, widely distributed, as industries such as metallurgy, chemical industry, building materials, machinery, electric power, the exhaust smoke evacuation of various smelting furnace, heating furnace, internal combustion engine and boiler, and also the fume afterheat amount of some Industrial Stoves is even up to 30% ~ 60% of the own Fuel Consumption of stove, energy-saving potential is large, is the main research and development object of UTILIZATION OF VESIDUAL HEAT IN.Low-temperature flue gas is as the carrier of low temperature exhaust heat, discharge capacity is very large, carry heat energy to enrich, but because low temperature restriction causes that heat exchange efficiency is low, waste heat products application narrow range, value are low, flue gas waste heat recovery deficiency in economic performance, low-temperature flue gas is made to be difficult to be utilized effectively, flue gas directly discharges and also occurs serious thermal pollution, interior thermal pollution causes urban heat land effect among a small circle, living environment is caused to be deteriorated, impact in global range is then the uncertain change causing global climate, worsens global living environment.
Just because of above-mentioned situation, low-temperature flue gas waste heat reclaimer has been there is in these present industries, at present, cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment is generally made up of parts such as steam superheater, evaporimeter and economizers, in actual moving process, there are following several respects not enough:
1. waste heat recovery apparatus is horizontal layout, and floor space is large, civil engineering and equipment cost high
2. waste heat recovery apparatus is generally steam boiler, and equipment metal consumption is large, and cost of investment is high;
3. the usual manufactory of waste heat recovery apparatus is in bulk dispatches from the factory, and project site welding technology is installed, and easily cause damage to pressure restraining element in transportation, the large mounting cost of project on-site installation work amount is high, and assembly welding difficult quality controls.
Utility model content
The purpose of the present utility model is to provide a kind of cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment, and this cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment solves that horizontal layout, floor space are large, civil engineering and equipment cost is high, metal consumption is large and easily cause damage, the large mounting cost of project site welding technology installation workload high-leveled and difficult with problems such as controls to pressure restraining element in manufactory's transportation of dispatching from the factory in bulk.
In order to realize foregoing invention object, a kind of cement plant of the present utility model kiln tail preheater pure cryogenic flue gas waste heat recovery equipment comprises vertical steelframe, steelframe upper end arranges inlet flue duct, steelframe lower end arranges exhaust pass, some groups of interconnective heat exchange bobbin carriages are set between inlet flue duct and exhaust pass, often organize heat exchange bobbin carriage and an import header and an outlet header are set, described heat exchanger tube case comprises framework, frame perimeter is provided with thermal insulating warm-keeping layer, arrange along the vertical heat-transfer area of flue gas flow direction in framework, import header is connected with heat-transfer area with outlet header, import header in two adjacent groups heat exchange bobbin carriage is connected by piping with outlet header.
Described heat exchanger tube box top is provided with ventilation unit and suspension apparatus, and heat-transfer area is suspended on ventilation unit by suspension apparatus, and heat exchange bobbin carriage side is provided with and checks aperture of door and the ash handling equipment corresponding with heat-transfer area.
Described two adjacent groups heat exchange bobbin carriage is connected by expanding device.
The heat-transfer area of described heat exchange bobbin carriage is snakelike light pipe or snakelike membrane tube.
Described thermal insulating warm-keeping layer is made up of interior outer casing and the insulation material be arranged between interior outer casing.
This cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment is adopted to have following advantage:
1. waste heat recovery apparatus adopts vertical, and reduction floor space, saves equipment investment and construction investment cost effectively.
2. waste heat recovery apparatus adopts organic heat carrier as heat transfer medium, saves the building blocks such as the drum of conventional vapor boiler, reduces equipment metal consumption, cost of reducing investment outlay.
3. the heat exchange bobbin carriage of waste heat recovery apparatus achieves Knockdown block in manufactory and dissolves factory, effectively avoids waste heat recovery apparatus heat-transfer area contingent not expected crimp and damage in transportation.
Accompanying drawing explanation
Fig. 1 is the layout of equipment of the present utility model.
Fig. 2 is the structure chart of heat exchange bobbin carriage of the present utility model.
Fig. 3 is the structure chart of expanding device of the present utility model.
In figure: 1. steelframe, 2. inlet flue duct, 3. heat exchange bobbin carriage, 4. exhaust pass, 5. import header, 6. outlet header, 7. heat-transfer area, 8. expanding device, 9. framework, 10. thermal insulating warm-keeping layer, 11. ventilation units, 12. suspension apparatus, 13. check aperture of door, 14. ash handling equipments, 15. pipings.
Detailed description of the invention
Accompanying drawing discloses the structural representation of preferred embodiment involved by the utility model without limitation; The technical solution of the utility model is explained below with reference to accompanying drawing.
As Fig. 1, Fig. 2, shown in Fig. 3, this cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment comprises vertical steelframe 1, steelframe 1 upper end arranges inlet flue duct 2, steelframe 1 lower end arranges exhaust pass 4, some groups of interconnective heat exchange bobbin carriages 3 are set between inlet flue duct 2 and exhaust pass 4, often organize heat exchange bobbin carriage 3 and an import header 5 and an outlet header 6 are set, described heat exchange bobbin carriage 3 comprises framework 9, framework 9 periphery is provided with thermal insulating warm-keeping layer 10, arrange along the vertical heat-transfer area 7 of flue gas flow direction in framework 9, import header 5 is connected with heat-transfer area 7 with outlet header 6, import header 5 in two adjacent groups heat exchange bobbin carriage 3 is connected by piping 15 with outlet header 6.
Described heat exchange bobbin carriage 3 top is provided with ventilation unit 11 and suspension apparatus 12, and heat-transfer area 7 is suspended on ventilation unit 11 by suspension apparatus 12, and heat exchange bobbin carriage 3 side is provided with and checks aperture of door 13 and the ash handling equipment 14 corresponding with heat-transfer area 7.
Described two adjacent groups heat exchange bobbin carriage 3 is connected by expanding device 8.
The heat-transfer area 7 of described heat exchange bobbin carriage 3 is snakelike light pipe or snakelike membrane tube.
Described thermal insulating warm-keeping layer 10 is made up of interior outer casing and the insulation material be arranged between interior outer casing.
Kiln tail preheater pure cryogenic flue gas enters from inlet flue duct 2, flue gas reduces after flow velocity through inlet flue duct 2 circulation expansion cross section, enter heat exchange bobbin carriage 3 uniformly, described flue gas flows through the heat-transfer area 7 be arranged in heat exchange bobbin carriage 3 from top to bottom, flows out by exhaust pass 4; Be connected by expanding device 8 between described heat exchange bobbin carriage about 3 two groups, make this waste heat recovery apparatus be that vertical shaft font is arranged.Heat transfer medium enters from import header 5, and flow through heat from below to up and hand over heat pipe case 3, the heat transfer medium of lower temperature forms the heat transfer medium of higher temperature after flue gas, flows out through outlet header 6; In waste heat recovery apparatus, flue gas and heat transfer medium, one another along the flowing of contrary direction, form the countercurrent heat exchange that a kind of heat recovery efficiency is high.
The preferred specific embodiment of the utility model described by reference to the accompanying drawings is above only for illustration of embodiment of the present utility model; instead of as the restriction to aforementioned utility model object and claims content and scope; every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong to the utility model technology and rights protection category.
Claims (5)
1. a cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment, it is characterized in that: comprise vertical steelframe, steelframe upper end arranges inlet flue duct, steelframe lower end arranges exhaust pass, some groups of interconnective heat exchange bobbin carriages are set between inlet flue duct and exhaust pass, often organize heat exchange bobbin carriage and an import header and an outlet header are set, described heat exchanger tube case comprises framework, frame perimeter is provided with thermal insulating warm-keeping layer, arrange along the vertical heat-transfer area of flue gas flow direction in framework, import header is connected with heat-transfer area with outlet header, import header in two adjacent groups heat exchange bobbin carriage is connected by piping with outlet header.
2. cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment according to claim 1, it is characterized in that: described heat exchanger tube box top is provided with ventilation unit and suspension apparatus, heat-transfer area is suspended on ventilation unit by suspension apparatus, and heat exchange bobbin carriage side is provided with and checks aperture of door and the ash handling equipment corresponding with heat-transfer area.
3. cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment according to claim 1, is characterized in that: described two adjacent groups heat exchange bobbin carriage is connected by expanding device.
4. cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment according to claim 1, is characterized in that: the heat-transfer area of described heat exchange bobbin carriage is snakelike light pipe or snakelike membrane tube.
5. cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment according to claim 1, is characterized in that: described thermal insulating warm-keeping layer is made up of interior outer casing and the insulation material be arranged between interior outer casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520276279.6U CN204648982U (en) | 2015-04-30 | 2015-04-30 | A kind of cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520276279.6U CN204648982U (en) | 2015-04-30 | 2015-04-30 | A kind of cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment |
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| CN204648982U true CN204648982U (en) | 2015-09-16 |
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| CN201520276279.6U Active CN204648982U (en) | 2015-04-30 | 2015-04-30 | A kind of cement plant kiln tail preheater pure cryogenic flue gas waste heat recovery equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953256A (en) * | 2016-06-28 | 2016-09-21 | 北京奥科瑞丰节能技术有限公司 | Economizer for biomass boiler |
| WO2020029045A1 (en) * | 2018-08-06 | 2020-02-13 | 江苏东九重工股份有限公司 | Cement plant kiln head clinker cooler exhaust gas waste heat superheater |
-
2015
- 2015-04-30 CN CN201520276279.6U patent/CN204648982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953256A (en) * | 2016-06-28 | 2016-09-21 | 北京奥科瑞丰节能技术有限公司 | Economizer for biomass boiler |
| WO2020029045A1 (en) * | 2018-08-06 | 2020-02-13 | 江苏东九重工股份有限公司 | Cement plant kiln head clinker cooler exhaust gas waste heat superheater |
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