CN204690022U - A kind of blast furnace top pressure-equalizing bleeding gas recovering device - Google Patents
A kind of blast furnace top pressure-equalizing bleeding gas recovering device Download PDFInfo
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- CN204690022U CN204690022U CN201520398559.4U CN201520398559U CN204690022U CN 204690022 U CN204690022 U CN 204690022U CN 201520398559 U CN201520398559 U CN 201520398559U CN 204690022 U CN204690022 U CN 204690022U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
A kind of blast furnace top pressure-equalizing bleeding gas recovering device is provided, comprises blast furnace, blanking tank, material feeding jar, pressure-equalizing and discharging pipe, a bleeder, diffusion valve, secondary diffusion valve, secondary bleeder, gas valve, tornado dust collector, a sound damper; Feature is: also comprise sack cleaner, large ash silo, gas valve a, low pressure purified gas pipe network; One time bleeder is communicated with the dirt air chamber of pressure-equalizing and discharging pipe, sack cleaner bottom, a bleeder is provided with the diffusion valve controlling coal-gas recovering pipeline break-make; The connecting pipe of sack cleaner and low pressure purified gas pipe network is provided with gas valve a; The ash discharging hole of sack cleaner bottom is communicated with large ash silo by pneumatic ash conveying plant.Its advantage is: reclaim emission coal gas amount about 95%, ton iron coal-gas recovering amount 4Nm
3left and right, is conducive to energy-saving and emission-reduction, reduces noise and topsoil, preserves the ecological environment.
Description
Technical field:
The utility model relates to blast furnace gas recovery system technical field, particularly relates to secondary and diffuses method blast furnace top pressure-equalizing bleeding gas recovering device.
Background technology:
In the prior art, blast furnace roof blanking tank is after furnace charge, the high pressure gas identical with furnace top pressure is full of in tank, and normal pressure material feeding jar is before blanking tank blanking, its internal high pressure coal gas must first be carried out pressure-equalizing and discharging, directly enter air by blanking tank, upper and lower batch can is all after normal pressure, material feeding jar furnace charge could be loaded in blanking tank.Prior art blast furnace high pressure gas pressure-equalizing bleeding device as shown in Figure 2, when all pressing coal gas diffusion, open secondary diffusion valve 11 and gas valve d16, blanking tank 2 UNICOM air, pressure-equalizing and discharging coal gas in blanking tank through secondary diffuse channel 12, by qualified discharge after tornado dust collector 14 and sound damper 17 dedusting, noise reduction.This method and technology has the following disadvantages: discharge dust-laden coal gas when sky is diffused, cause sound pollution and topsoil, environment is brought to negative impact, causes coal gas equal energy source to waste simultaneously.
Summary of the invention:
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of energy-conserving and environment-protective, reduces coal gas discharge, reduces noise and topsoil, preserves the ecological environment and a kind of blast furnace top pressure-equalizing bleeding gas recovering device recycled blast furnace out-spreading coal gas.
Technical solution of the present utility model is: provide a kind of blast furnace top pressure-equalizing bleeding gas recovering device, comprises interconnective blast furnace, blanking tank, material feeding jar, pressure-equalizing and discharging pipe, a bleeder, diffusion valve, secondary diffusion valve, secondary bleeder, gas valve b, tornado dust collector, gas valve c, gas valve d, a sound damper; It is characterized in that: also comprise: sack cleaner, large ash silo, gas valve a, low pressure purified gas pipe network; One time bleeder is communicated with the dirt air chamber of pressure-equalizing and discharging pipe, sack cleaner bottom, a bleeder is provided with the diffusion valve controlling coal-gas recovering pipeline break-make; The connecting pipe of sack cleaner and low pressure purified gas pipe network is provided with gas valve a; The ash discharging hole of sack cleaner bottom is communicated with large ash silo by pneumatic ash conveying plant.Be further characterized in that: the pressure-equalizing and discharging pipe on blanking tank is connected with four-way connection; One time bleeder is communicated with pressure-equalizing and discharging pipe blanking tank.Sack cleaner is parallel with two.
The beneficial effects of the utility model are: the experimental data according to the present embodiment calculates, and emission coal gas reclaims about 95%, ton iron coal-gas recovering amount 4Nm
3left and right, for the blast furnace put into operation, can simply transform, less investment, safe and reliable, be applicable to all kinds blast furnace; Adopt secondary to diffuse method blast furnace top pressure-equalizing bleeding gas recovering device and be conducive to energy-saving and emission-reduction, reduce noise and topsoil, preserve the ecological environment.
Accompanying drawing illustrates:
Fig. 1 is a kind of blast furnace top pressure-equalizing bleeding gas recovering device of the utility model embodiment schematic diagram.
Fig. 2 is that prior art blast furnace roof all presses coal gas diffusion discharging directly into atmosphere device schematic diagram.
In accompanying drawing: 1. blast furnace; 2. blanking tank; 3. material feeding jar; 4. pressure-equalizing and discharging pipe; 5. a bleeder; 6. a diffusion valve; 7. sack cleaner; 8. large ash silo; 9. gas valve a; 10. low pressure purified gas pipe network; 11. 2 diffusion valves; 12. 2 bleeders; 13. gas valve b; 14. tornado dust collector; 15. gas valve c; 16. gas valve d; 17. sound dampers.
Embodiment:
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail: a kind of blast furnace top pressure-equalizing bleeding gas recovering device shown in Fig. 1, comprises blast furnace 1, blanking tank 2, material feeding jar 3, pressure-equalizing and discharging pipe 4, bleeder 5, diffusion valve 6, sack cleaner 7, large ash silo 8, gas valve a9, low pressure purified gas pipe network 10, secondary diffusion valve 11, secondary bleeder 12, gas valve b13, tornado dust collector 14, gas valve c15, gas valve d16, sound damper 17.One time bleeder 5 is communicated with the dirt air chamber of pressure-equalizing and discharging pipe 4, sack cleaner 7 bottom, a bleeder 5 is provided with the diffusion valve 6 controlling coal-gas recovering pipeline break-make; The connecting pipe of sack cleaner 7 and low pressure purified gas pipe network 10 is provided with gas valve a9; The ash discharging hole of sack cleaner 7 bottom is communicated with large ash silo 8 by pneumatic ash conveying plant.Pressure-equalizing and discharging pipe 4 on charger pan 2 is connected with four-way connection; One time bleeder 5 is communicated with pressure-equalizing and discharging pipe 4 charger pan 2.Sack cleaner 7 is parallel with two.Principle of work of the present utility model is: utilize existing blast furnace gas drying bag dust removing device system as the filtered and recycled technique of blast furnace roof charger pan pressure-equalizing and discharging coal gas and device, when blast furnace roof blanking tank carries out coal gas diffusion, UNICOM's blanking tank and sack cleaner, because both exist pressure reduction, one time pressure-equalizing and discharging raw gas enters sack cleaner casing, recycling dust-removing box cloth bag filters dust-laden coal gas, after filtering, coal gas enters low pressure purified gas pipe network, reaches the object recycling the blast furnace top pressure-equalizing bleeding coal-gas recovering required.Disposable for traditional furnace top even pressure diffusing is changed into twice and diffuse, its technological process is as follows: first time diffuses: furnace top even pressure coal gas enters Gas Cleaning With Bag House device by a diffuse channel, coal gas after dedusting enters full factory low pressure purified gas pipe network, coal gas dust enters large ash silo by pneumatic ash conveying plant, and the coal gas once diffusing recovery is about 95%; Remain the pressure-equalizing and discharging coal gas of nearly about 5% through secondary diffuse channel 12, by qualified discharge after tornado dust collector 14 and sound damper 17 dedusting, noise reduction.Its operating process is as shown in Figure 2: the gas valve a9 opening the connecting pipe of sack cleaner 7 and low pressure purified gas pipe network 10; When blanking tank 2 carries out a pressure-equalizing and discharging, gas valve b13 and secondary diffusion valve 11 are the states of closing, open the diffusion valve 6 bleeder 5 controlling coal-gas recovering pipeline break-make, coal gas is all pressed to enter sack cleaner 7 by pressure-equalizing and discharging pipe 4 and a bleeder 5, purified gas after filtration enters low pressure purified gas pipe network 10, dust enters large ash silo 8 by pneumatic ash conveying plant, finally realizes the recycling of pressure-equalizing and discharging coal gas.After one time pressure-equalizing and discharging reclaims 95% coal gas, close gas valve a9 and time diffusion valve 6, open secondary diffusion valve 11 and gas valve d16, blanking tank 2 UNICOM air, the pressure-equalizing and discharging coal gas of residue nearly about 5% is through secondary diffuse channel 12 in blanking tank, by qualified discharge after tornado dust collector 14 and sound damper 17 dedusting, noise reduction.
Claims (3)
1. a blast furnace top pressure-equalizing bleeding gas recovering device, comprises interconnective blast furnace (1), blanking tank (2), material feeding jar (3), pressure-equalizing and discharging pipe (4), bleeder (5), diffusion valve (6), secondary diffusion valve (11), secondary bleeder (12), gas valve b (13), tornado dust collector (14), gas valve c (15), gas valve d (16), sound damper (17); It is characterized in that: also comprise: sack cleaner (7), large ash silo (8), gas valve a (9), low pressure purified gas pipe network (10); One time bleeder (5) is communicated with the dirt air chamber of pressure-equalizing and discharging pipe (4), sack cleaner (7) bottom, a bleeder (5) is provided with the diffusion valve (6) controlling coal-gas recovering pipeline break-make; The connecting pipe of sack cleaner (7) and low pressure purified gas pipe network (10) is provided with gas valve a (9); The ash discharging hole of sack cleaner (7) bottom is communicated with large ash silo (8) by pneumatic ash conveying plant.
2. a kind of blast furnace top pressure-equalizing bleeding gas recovering device as claimed in claim 1, is characterized in that: the pressure-equalizing and discharging pipe (4) on blanking tank (2) is connected with four-way connection; One time bleeder (5) is communicated with pressure-equalizing and discharging pipe (4) blanking tank (2).
3. a kind of blast furnace top pressure-equalizing bleeding gas recovering device as claimed in claim 1, is characterized in that: sack cleaner (7) is parallel with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398559.4U CN204690022U (en) | 2015-06-10 | 2015-06-10 | A kind of blast furnace top pressure-equalizing bleeding gas recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398559.4U CN204690022U (en) | 2015-06-10 | 2015-06-10 | A kind of blast furnace top pressure-equalizing bleeding gas recovering device |
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| CN204690022U true CN204690022U (en) | 2015-10-07 |
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| CN201520398559.4U Active CN204690022U (en) | 2015-06-10 | 2015-06-10 | A kind of blast furnace top pressure-equalizing bleeding gas recovering device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375861A (en) * | 2020-10-30 | 2021-02-19 | 包头市泽润机械设备有限责任公司 | Blast furnace pressure-equalizing bleeding gas recovery equipment |
| WO2022166260A1 (en) * | 2021-02-02 | 2022-08-11 | 中冶南方工程技术有限公司 | Blast furnace top large bleeding system |
| RU224829U1 (en) * | 2021-02-02 | 2024-04-05 | ВИСДРИ ИНЖИНИРИНГ энд РИСЕРЧ ИНКОРПОРЕЙШН ЛИМИТЕД | SYSTEM FOR GASES EXTRACTION FROM THE BLAST FURNACE HOSE |
-
2015
- 2015-06-10 CN CN201520398559.4U patent/CN204690022U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375861A (en) * | 2020-10-30 | 2021-02-19 | 包头市泽润机械设备有限责任公司 | Blast furnace pressure-equalizing bleeding gas recovery equipment |
| WO2022166260A1 (en) * | 2021-02-02 | 2022-08-11 | 中冶南方工程技术有限公司 | Blast furnace top large bleeding system |
| RU224829U1 (en) * | 2021-02-02 | 2024-04-05 | ВИСДРИ ИНЖИНИРИНГ энд РИСЕРЧ ИНКОРПОРЕЙШН ЛИМИТЕД | SYSTEM FOR GASES EXTRACTION FROM THE BLAST FURNACE HOSE |
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