CN105318736A - High-temperature flue gas dust removal and waste heat utilization system of metallurgical furnace - Google Patents
High-temperature flue gas dust removal and waste heat utilization system of metallurgical furnace Download PDFInfo
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- CN105318736A CN105318736A CN201510749956.6A CN201510749956A CN105318736A CN 105318736 A CN105318736 A CN 105318736A CN 201510749956 A CN201510749956 A CN 201510749956A CN 105318736 A CN105318736 A CN 105318736A
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- heat exchange
- heat
- exchange box
- flue gas
- dedusting plate
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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
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a high-temperature flue gas dust removal and waste heat utilization system of a metallurgical furnace. The system comprises a first-stage electric precipitator, a waste heat utilization device and a second-stage electric precipitator which are sequentially communicated, wherein the waste heat utilization device comprises a heat exchange tank and a heat exchange tube row; the heat exchange tube row is sleeved with a dedusting board; multiple through holes are formed in the dedusting board; vertical tubes of the heat exchange tube row penetrate through the through holes and are in sliding connection with the through holes of the dedusting board; a hydraulic cylinder is fixedly arranged on the top of the heat exchange tank; a cylinder barrel of the hydraulic cylinder is fixed to the top of the heat exchange tank; a piston rod of the hydraulic cylinder penetrates through the top of the heat exchange tank and is fixedly connected with the dedusting board inside the heat exchange tank. By means of the high-temperature flue gas dust removal and waste heat utilization system of the metallurgical furnace, the hydraulic cylinder drives the dedusting board to vertically move, smoke of the tube walls of the vertical tubes of the heat exchange tube tow is scraped, the higher heat exchange efficiency can be kept continuously, waste heat is sufficiently recycled, and the economic value of the waste heat system is improved.
Description
Technical field
The present invention relates to energy saving technology in metallurgy field, particularly a kind of metallurgical furnace high temperature flue gas ash removal and bootstrap system.
Background technology
The purifier of metallurgical furnace flue gas is metallurgical furnace flue gas generation equipment in the prior art, waste heat utilization facility, deduster connected successively by pipeline.Usually the waste heat utilization facility adopted at present is heat exchanger, is that one can reduce flue-gas temperature, high-temperature flue gas can be utilized again simultaneously, reach the equipment of heat exchange object.Water row tube waste heat boiler, heat storage type heat-pipe heat exchanger reclaim the waste heat of metallurgical furnace flue gas, produce saturated vapor etc.Due to the fluctuation of metallurgical furnace flue gas high temperature, dustiness is large, and light water tubulation waste heat boiler is difficult to the waste heat recovery applying to metallurgical furnace flue gas.Because metallurgical furnace flue gas dustiness is large, when using water row tube waste heat boiler, early stage, heat transfer effect was relatively good, along with the prolongation of service time, heat exchanging pipe wall can accumulate increasing flue dust, cause heat exchange efficiency to decline, relatively reduce the economic worth of residual heat system, add the investment of residual heat system.
Summary of the invention
The technical problem to be solved in the present invention is: large in order to solve existing metallurgical furnace flue gas dustiness, when using water row tube waste heat boiler, early stage, heat transfer effect was relatively good, along with the prolongation of service time, heat exchanging pipe wall can accumulate increasing flue dust, heat exchange efficiency is caused to decline, relatively reduce the economic worth of residual heat system, add the problem of the investment of residual heat system, the invention provides a kind of metallurgical furnace high temperature flue gas ash removal and bootstrap system, one group of residual heat using device is provided with between two electric cleaners, moving up and down of dedusting plate is driven by hydraulic cylinder in residual heat using device, the flue dust of the VERTICAL TUBE tube wall of heat exchanging tubulation strikes off, can continue to keep higher heat exchange efficiency, fully carry out waste heat recovery, improve the economic worth of residual heat system.
The technical solution adopted for the present invention to solve the technical problems is: comprise the one-level electric cleaner be communicated with successively, residual heat using device and secondary electric cleaner, the heat exchanging pipe that residual heat using device comprises heat exchange box and is vertically arranged in heat exchange box, heat exchange box has air inlet, air outlet and the dust collecting opening be arranged on bottom heat exchange box, the water inlet of heat exchanging pipe and delivery port are arranged on the top of heat exchange box, heat exchanging pipe comprises some VERTICAL TUBE and the bend pipe for vertical connecting pipe, dedusting plate is arranged with outside described heat exchanging pipe, described dedusting plate is provided with some through holes, the VERTICAL TUBE of described heat exchanging pipe wears in through-holes, the VERTICAL TUBE of described heat exchanging pipe and the through hole of dedusting plate are slidably connected, described heat exchange box top is fixed with a hydraulic cylinder, the cylinder barrel of described hydraulic cylinder is fixed on heat exchange box top, the piston rod of hydraulic cylinder is fixedly connected with the dedusting plate in heat exchange box through heat exchange box top.
In order to enable dedusting plate in use run up and down smoothly, the VERTICAL TUBE of described heat exchanging pipe coordinates with the via clearance of dedusting plate.Matched in clearance, can prevent dedusting plate from upper and lower running, occurring stuck phenomenon.
As preferably, described dedusting plate is copper dedusting plate.
The invention has the beneficial effects as follows: a kind of metallurgical furnace high temperature flue gas ash removal provided by the invention and bootstrap system, by the coupling by electric cleaner and residual heat using device, effectively reduce the exhaust temperature of flue gas and the content of solid particle in smoke evacuation, residual heat using device drives moving up and down of dedusting plate by hydraulic cylinder, the flue dust of the VERTICAL TUBE tube wall of heat exchanging tubulation strikes off, can continue to keep higher heat exchange efficiency, fully carry out waste heat recovery, improve the economic worth of residual heat system, the VERTICAL TUBE of heat exchanging pipe coordinates with the via clearance of dedusting plate, can prevent dedusting plate from upper and lower running, occurring stuck phenomenon.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the schematic diagram of a kind of metallurgical furnace high temperature flue gas ash removal of the present invention and bootstrap system;
Fig. 2 is the structural representation of residual heat using device of the present invention.
In figure: I. one-level electric cleaner, II. residual heat using device, III. secondary electric cleaner, 1. heat exchange box, 2. heat exchanging pipe, 3. air inlet, 4. air outlet, 5. dust collecting opening, 6. water inlet, 7. delivery port, 8. VERTICAL TUBE, 9. bend pipe, 10. dedusting plate, 11. through holes, 12. hydraulic cylinders, 13. cylinder barrels, 14. piston rods.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As Fig. 1, shown in Fig. 2, a kind of metallurgical furnace high temperature flue gas ash removal and bootstrap system, comprise the one-level electric cleaner I be communicated with successively, residual heat using device II and secondary electric cleaner III, residual heat using device II comprises heat exchange box 1 and is vertically arranged on the heat exchanging pipe 2 in heat exchange box 1, heat exchange box 1 has air inlet 3, air outlet 4 and the dust collecting opening 5 be arranged on bottom heat exchange box 1, the water inlet 6 of heat exchanging pipe 2 and delivery port 7 are arranged on the top of heat exchange box 1, heat exchanging pipe 2 comprises some VERTICAL TUBE 8 and the bend pipe 9 for vertical connecting pipe 8, dedusting plate 10 is arranged with outside heat exchanging pipe 2, dedusting plate 10 is provided with some through holes 11, the VERTICAL TUBE 8 of heat exchanging pipe 2 is located in through hole 11, the VERTICAL TUBE 8 of heat exchanging pipe 2 is slidably connected with the through hole 11 of dedusting plate 10, heat exchange box 1 top is fixed with a hydraulic cylinder 12, the cylinder barrel 13 of hydraulic cylinder 12 is fixed on heat exchange box 1 top, the piston rod 14 of hydraulic cylinder 12 is fixedly connected with the dedusting plate 10 in heat exchange box 1 through heat exchange box 1 top.
In this specific embodiment, the VERTICAL TUBE 8 of heat exchanging pipe 2 and through hole 11 matched in clearance of dedusting plate 10.
As preferably, dedusting plate 10 is copper dedusting plate.
In use, only need open hydraulic cylinder 12 and drive dedusting plate 10 to move up and down, the flue dust on VERTICAL TUBE 8 wall of heat exchanging pipe 2 can be wiped off, then from the flue dust collecting that dust collecting opening 5 will scrape, and focus on.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (3)
1. a metallurgical furnace high temperature flue gas ash removal and bootstrap system, comprise the one-level electric cleaner (I) be communicated with successively, residual heat using device (II) and secondary electric cleaner (III), residual heat using device (II) comprises heat exchange box (1) and is vertically arranged on the heat exchanging pipe (2) in heat exchange box (1), heat exchange box (1) has air inlet (3), air outlet (4) and the dust collecting opening (5) be arranged on bottom heat exchange box (1), the water inlet (6) of heat exchanging pipe (2) and delivery port (7) are arranged on the top of heat exchange box (1), heat exchanging pipe (2) comprises some VERTICAL TUBE (8) and the bend pipe (9) for vertical connecting pipe (8), it is characterized in that: outside described heat exchanging pipe (2), be arranged with dedusting plate (10), described dedusting plate (10) is provided with some through holes (11), the VERTICAL TUBE (8) of described heat exchanging pipe (2) is located in through hole (11), the VERTICAL TUBE (8) of described heat exchanging pipe (2) and the through hole (11) of dedusting plate (10) are slidably connected, described heat exchange box (1) top is fixed with a hydraulic cylinder (12), the cylinder barrel (13) of described hydraulic cylinder (12) is fixed on heat exchange box (1) top, the piston rod (14) of hydraulic cylinder (12) is fixedly connected with the dedusting plate (10) in heat exchange box (1) through heat exchange box (1) top.
2. a kind of metallurgical furnace high temperature flue gas ash removal as claimed in claim 1 and bootstrap system, is characterized in that: the VERTICAL TUBE (8) of described heat exchanging pipe (2) and through hole (11) matched in clearance of dedusting plate (10).
3. a kind of metallurgical furnace high temperature flue gas ash removal as claimed in claim 1 and bootstrap system, is characterized in that: described dedusting plate (10) is copper dedusting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749956.6A CN105318736A (en) | 2015-11-09 | 2015-11-09 | High-temperature flue gas dust removal and waste heat utilization system of metallurgical furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749956.6A CN105318736A (en) | 2015-11-09 | 2015-11-09 | High-temperature flue gas dust removal and waste heat utilization system of metallurgical furnace |
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| Publication Number | Publication Date |
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| CN105318736A true CN105318736A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510749956.6A Pending CN105318736A (en) | 2015-11-09 | 2015-11-09 | High-temperature flue gas dust removal and waste heat utilization system of metallurgical furnace |
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| CN (1) | CN105318736A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482536A (en) * | 2016-11-29 | 2017-03-08 | 无锡市锡源锅炉有限公司 | A kind of self-cleaning boiler afterheat recovering device |
| CN106595325A (en) * | 2016-11-29 | 2017-04-26 | 无锡市锡源锅炉有限公司 | Timing dust removal self-cleaning boiler smoke afterheat recovery device |
| CN106731330A (en) * | 2017-01-09 | 2017-05-31 | 北京科技大学 | A kind of dust-collecting and heat exchanging integrated treatment unit and method to high-temperature dust-containing flue gas |
| CN108361990A (en) * | 2018-04-24 | 2018-08-03 | 浙江长兴亿安贝电器有限公司 | A kind of electric heater of scale removal heat exchange |
| CN108562186A (en) * | 2018-01-23 | 2018-09-21 | 江苏中海重型机床有限公司 | A kind of heat exchanger purifier |
| CN110762836A (en) * | 2019-11-04 | 2020-02-07 | 芜湖市通达锅炉有限公司 | Double-cylinder internal combustion boiler |
| CN114754597A (en) * | 2022-04-02 | 2022-07-15 | 兰州有色冶金设计研究院有限公司 | High-temperature high-dust metallurgical flue gas cooling device |
-
2015
- 2015-11-09 CN CN201510749956.6A patent/CN105318736A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482536A (en) * | 2016-11-29 | 2017-03-08 | 无锡市锡源锅炉有限公司 | A kind of self-cleaning boiler afterheat recovering device |
| CN106595325A (en) * | 2016-11-29 | 2017-04-26 | 无锡市锡源锅炉有限公司 | Timing dust removal self-cleaning boiler smoke afterheat recovery device |
| CN106731330A (en) * | 2017-01-09 | 2017-05-31 | 北京科技大学 | A kind of dust-collecting and heat exchanging integrated treatment unit and method to high-temperature dust-containing flue gas |
| CN106731330B (en) * | 2017-01-09 | 2019-01-01 | 北京科技大学 | The dust-collecting and heat exchanging integrated treatment unit and method of a kind of pair of high-temperature dust-containing flue gas |
| CN108562186A (en) * | 2018-01-23 | 2018-09-21 | 江苏中海重型机床有限公司 | A kind of heat exchanger purifier |
| CN108361990A (en) * | 2018-04-24 | 2018-08-03 | 浙江长兴亿安贝电器有限公司 | A kind of electric heater of scale removal heat exchange |
| CN110762836A (en) * | 2019-11-04 | 2020-02-07 | 芜湖市通达锅炉有限公司 | Double-cylinder internal combustion boiler |
| CN114754597A (en) * | 2022-04-02 | 2022-07-15 | 兰州有色冶金设计研究院有限公司 | High-temperature high-dust metallurgical flue gas cooling device |
| CN114754597B (en) * | 2022-04-02 | 2024-03-29 | 兰州有色冶金设计研究院有限公司 | High-temperature high-dust metallurgical flue gas cooling device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160210 |
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| WD01 | Invention patent application deemed withdrawn after publication |