CN205187364U - Blast furnace gas prevents stifled type pneumatic conveyor - Google Patents
Blast furnace gas prevents stifled type pneumatic conveyor Download PDFInfo
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- CN205187364U CN205187364U CN201520813849.0U CN201520813849U CN205187364U CN 205187364 U CN205187364 U CN 205187364U CN 201520813849 U CN201520813849 U CN 201520813849U CN 205187364 U CN205187364 U CN 205187364U
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- conveying pipe
- ash
- ash conveying
- blast furnace
- furnace gas
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Abstract
The utility model discloses a blast furnace gas prevents stifled type pneumatic conveyor, including ashes storage silo, the nitrogen gas storage tank, ash conveying pipe and dust removal mechanism, ash conveying pipe's both ends are connected with ashes storage silo and nitrogen gas storage tank respectively, the output that unloads the ash machine in the dust removal mechanism inserts ash conveying pipe, it is equipped with PRESSURE DETECTOR A on the ash conveying pipe between dust removal mechanism and the nitrogen gas storage tank in proper order to lie in, pressure regulating valves and electric heater, it passes through gas transmission pipeline with ash conveying pipe between the electric heater and is connected with the fluidized bed to lie in the pressure regulating valves, it is equipped with PRESSURE DETECTOR B on the ash conveying pipe between ashes storage silo and the dust removal mechanism to lie in. The device is through automatic control and regulation to nitrogen pressure in fluidization and defeated grey in -process nitrogen gas temperature adjustment and the ash conveying pipe for the dust is difficult for hardening, and the pipeline is difficult to be blockked up, thereby ensures smoothly going on of air conveying, has improved blast furnace gas's treatment effeciency greatly.
Description
Technical field
The utility model belongs to technical field of metallurgical equipment, specifically a kind of blast furnace gas block-resistant type Pneumatic conveyer.
Background technology
The dust that blast furnace gas dry sack cleaner filters down, the basic mode adopting pressurized seal pneumatic conveying of its conveying, Pneumatic conveyer used has good leak tightness, fed distance is far away, transport efficiency is high, simple to operate, degree of automation is high, safety and environmental protection, and can not cause the advantages such as reentrainment of dust.But also there are some defects, such as: ash conveying pipe especially elbow is easy to wear; After gas temperature reduces, dust easily hardens, and pipeline easily blocks.
Therefore, need to provide a kind of new technical scheme to solve the problems referred to above.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of blast furnace gas block-resistant type Pneumatic conveyer, and this device effectively can avoid the mode of delivery duct stopping state.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of blast furnace gas block-resistant type Pneumatic conveyer, comprise ash-storing bin, nitrogen storage tank, ash conveying pipe and dedusting mechanism, the two ends of ash conveying pipe are connected with ash-storing bin and nitrogen storage tank respectively, dedusting mechanism comprises the multiple blast furnace gas pocket type dust removing devices be arranged side by side, the bottom of each blast furnace gas pocket type dust removing device is equipped with ash bucket, the outside of ash bucket is provided with fluid bed, bottom is provided with dust unloadnig apparatus, the mouth access ash conveying pipe of dust unloadnig apparatus, ash conveying pipe between dedusting mechanism and nitrogen storage tank is provided with pressure detector A successively, pressure regulating valve group and electric heater, be connected with fluid bed by gas line with the ash conveying pipe between electric heater in pressure regulating valve group, ash conveying pipe between ash-storing bin and dedusting mechanism is provided with pressure detector B.
Further, the ash conveying pipe between pressure detector A and pressure regulating valve group is provided with gas control ball valve A, the ash conveying pipe between pressure detector B and dedusting mechanism is provided with gas control ball valve B.
Compared with prior art, the utility model has the advantages that: this device is by the automatic control of nitrogen pressure in the adjustment of nitrogen temperature in fluidisation and defeated grey process and ash conveying pipe and adjustment, dust is not easily hardened, pipeline not easily blocks, thus guarantee that the smooth and easy of Geldart-D particle carries out, substantially increase the treatment effeciency of blast furnace gas.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Wherein, 1, ash-storing bin, 2, blast furnace gas pocket type dust removing device, 21, ash bucket, 3, nitrogen storage tank, 4, electric heater, 5, pressure regulating valve group, 6, gas control ball valve A, 61, gas control ball valve B, 7, pressure detector A, 71, pressure detector B, 8, ash conveying pipe, 9, gas line, 10, fluid bed, 11, dust unloadnig apparatus.
Detailed description of the invention:
As shown in Figure 1, a kind of blast furnace gas block-resistant type Pneumatic conveyer, comprise ash-storing bin 1, nitrogen storage tank 3, ash conveying pipe 8 and dedusting mechanism, the two ends of ash conveying pipe 8 are connected with ash-storing bin 1 and nitrogen storage tank 3 respectively, dedusting mechanism comprises the multiple blast furnace gas pocket type dust removing devices 2 be arranged side by side, the bottom of each blast furnace gas pocket type dust removing device 2 is equipped with ash bucket 21, the outside of ash bucket 21 is provided with fluid bed 10, bottom is provided with dust unloadnig apparatus 11, the mouth access ash conveying pipe 8 of dust unloadnig apparatus 11, ash conveying pipe 8 between dedusting mechanism and nitrogen storage tank 3 is provided with pressure detector A7 successively, gas control ball valve A6, pressure regulating valve group 5 and electric heater 4, ash conveying pipe 8 between pressure regulating valve group 5 with electric heater 4 is connected with fluid bed 10 by gas line 9, ash conveying pipe 8 between ash-storing bin 1 and dedusting mechanism is provided with pressure detector B71, ash conveying pipe 8 between pressure detector B71 and dedusting mechanism is provided with gas control ball valve B61.
In the utility model, electric heater 4 can improve fluid bed 10 nitrogen temperature and defeated ash nitrogen temperature when blast furnace gas temperature is lower, to make dust prevented from caking in fluidisation and course of conveying, guarantee to unload ash and defeated ash smooth and easy, avoid unloading ash blocking and defeatedly greyly to block; Pressure detector A7 and pressure detector B71 can pressure changing in Real-Time Monitoring ash conveying pipe 8, and pressure regulating valve group 5 regulates the aperture of nitrogen automatically according to the feedback of pressure detector, with guarantee to unload ash uneven time ash conveying pipe 8 not easily block; Open in the process that fluid bed 10 is carried at dust, the defeated ash in fluidisation limit, limit, when the dust in certain ash bucket 21 unloads to get off, close gas control ball valve B61, nitrogen is transferred to maximum by pressure regulating valve group 5, utilizes height nitrogen oppositely to be dredged by dust unloadnig apparatus 11, guarantee to unload ash further smooth, prevent blocking.
Claims (2)
1. a blast furnace gas block-resistant type Pneumatic conveyer, it is characterized in that: comprise ash-storing bin, nitrogen storage tank, ash conveying pipe and dedusting mechanism, the two ends of described ash conveying pipe are connected with ash-storing bin and nitrogen storage tank respectively, described dedusting mechanism comprises the multiple blast furnace gas pocket type dust removing devices be arranged side by side, the bottom of each described blast furnace gas pocket type dust removing device is equipped with ash bucket, the outside of described ash bucket is provided with fluid bed, bottom is provided with dust unloadnig apparatus, the mouth access ash conveying pipe of described dust unloadnig apparatus, ash conveying pipe between described dedusting mechanism and nitrogen storage tank is provided with pressure detector A successively, pressure regulating valve group and electric heater, be connected with fluid bed by gas line with the ash conveying pipe between electric heater in described pressure regulating valve group, ash conveying pipe between described ash-storing bin and dedusting mechanism is provided with pressure detector B.
2. a kind of blast furnace gas block-resistant type Pneumatic conveyer according to claim 1, it is characterized in that: the ash conveying pipe between described pressure detector A and pressure regulating valve group is provided with gas control ball valve A, the ash conveying pipe between described pressure detector B and dedusting mechanism is provided with gas control ball valve B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520813849.0U CN205187364U (en) | 2015-10-21 | 2015-10-21 | Blast furnace gas prevents stifled type pneumatic conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520813849.0U CN205187364U (en) | 2015-10-21 | 2015-10-21 | Blast furnace gas prevents stifled type pneumatic conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205187364U true CN205187364U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520813849.0U Active CN205187364U (en) | 2015-10-21 | 2015-10-21 | Blast furnace gas prevents stifled type pneumatic conveyor |
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| Country | Link |
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| CN (1) | CN205187364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222345A (en) * | 2016-08-30 | 2016-12-14 | 山东钢铁股份有限公司 | A kind of block-resistant type blast furnace top pressure detection device and detection method |
| CN109022656A (en) * | 2018-10-09 | 2018-12-18 | 马鞍山钢铁股份有限公司 | A kind of blast furnace gas dry dusting ash-transmission system |
-
2015
- 2015-10-21 CN CN201520813849.0U patent/CN205187364U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222345A (en) * | 2016-08-30 | 2016-12-14 | 山东钢铁股份有限公司 | A kind of block-resistant type blast furnace top pressure detection device and detection method |
| CN106222345B (en) * | 2016-08-30 | 2018-05-01 | 山东钢铁股份有限公司 | A kind of block-resistant type blast furnace top pressure detection device and detection method |
| CN109022656A (en) * | 2018-10-09 | 2018-12-18 | 马鞍山钢铁股份有限公司 | A kind of blast furnace gas dry dusting ash-transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170711 Address after: 226200 No. 1085 West Nanyuan Road, Qidong Economic Development Zone, Jiangsu, Nantong Patentee after: JIANGSU RUIFAN ENERGY SAVING TECHNOLOGY CO., LTD. Address before: 226200 No. 1085 West Nanyuan Road, Qidong Economic Development Zone, Jiangsu, Nantong Co-patentee before: Jiangsu Ruifan Environmental Protection Equipment Co., Ltd. Patentee before: JIANGSU RUIFAN ENERGY SAVING TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right |