CN116023954A - Coke oven controllable low-temperature emission-free oven drying method and device - Google Patents
Coke oven controllable low-temperature emission-free oven drying method and device Download PDFInfo
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- CN116023954A CN116023954A CN202310308695.9A CN202310308695A CN116023954A CN 116023954 A CN116023954 A CN 116023954A CN 202310308695 A CN202310308695 A CN 202310308695A CN 116023954 A CN116023954 A CN 116023954A
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Abstract
The invention relates to a coke oven controllable low-temperature emission-free oven drying method and device, which belong to the field of coke oven safe production environment-friendly technology, and comprise a regulating valve cylinder body, a smoke guide port, an eduction pipe, a smoke guide water seal cylinder, a water seal cylinder cover, a built-in water seal cover, a smoke exhaust pipeline, a cylinder and an ammonia water inlet pipe. The invention has the effects of reducing temperature and reducing emission, and further ensures that the furnace drying operation is safe and environment-friendly.
Description
Technical Field
The invention relates to the field of coke oven safe production environment-friendly technology, in particular to a controllable low-temperature emission-free oven drying method and device for a coke oven.
Background
The coking is to heat coal to about 1000 ℃ under the condition of air isolation to carry out high-temperature carbonization, and the coal is thermally decomposed and coked in a coke oven carbonization chamber 01 to produce coke, coke oven gas and other coking chemical products. Discharging the coke oven according to a plan, and airing the coke oven about 30 minutes before pushing the coke, wherein the aim is to check whether a raw gas guiding-out system is blocked and cleaned; checking the maturation condition of the coke cake, and further burning the coke; the other purpose of the air-drying furnace is to introduce air into the carbonization chamber 01 to burn off the space graphite. Through the oven airing operation of each coking cycle, the coke oven is ensured to be in a good working state, and the smelted coke has good maturity.
Referring to fig. 1, the existing airing operation belongs to an open airing, and the operation mode is as follows: when the coke is about to be discharged from the furnace at the end of coking, the riser valve body water seal valve 08 is closed, and the smoke guide hole water seal cover 04 and the riser pipe water seal cover 06 are opened. At this time, air enters the carbonization chamber 01 through the smoke guide holes 03, and the mixture of raw gas and air emerges from the ascending pipe orifice.
In order to reduce smoke dust, the raw gas at the rising pipe orifice is usually ignited by an ignition device, but the high-temperature smoke generated by combustion is directly discharged, and cannot be effectively collected by dust removing equipment, so that the health of workers is endangered, and environmental pollution is caused.
Disclosure of Invention
In order to solve the technical problems of large smoke dust and high temperature in the exhaust gas, and further ensure that the airing operation is safe and environment-friendly, the invention provides a coke oven controllable low-temperature emission-free airing method and device.
The invention provides a coke oven controllable low-temperature emission-free oven drying method and a device, which adopt the following technical scheme:
the utility model provides a coke oven controllable low temperature does not have emission stove device that dries in air, includes governing valve barrel, smoke guide mouth, extraction tube, smoke guide water seal barrel, water seal barrel cover, built-in water seal cover, exhaust pipe, cylinder and aqueous ammonia inlet tube, smoke guide mouth one end intercommunication governing valve barrel is inside, the other end of smoke guide mouth passes through flange joint the extraction tube, the extraction tube is kept away from the one end of smoke guide mouth inserts smoke guide water seal barrel bottom to be higher than the bottom, smoke guide water seal barrel is located the oblique top of governing valve barrel, smoke guide water seal barrel upper portion sets up the water seal barrel cover, smoke guide water seal barrel side intercommunication exhaust pipe, built-in water seal cover is concentric to be set up inside the smoke guide water seal barrel, and the opening orientation the extraction tube, the cylinder sets up built-in water seal cover top, just the ejector pin of cylinder passes the water seal barrel cover is fixed on the built-in cover, water seal barrel cover upper portion is provided with the aqueous ammonia inlet tube.
Optionally, the governing valve barrel upper end is fixed with concentric go-between, the inside and outside both sides of go-between are equipped with sealed inner circle and sealed outer lane respectively, sealed outer lane with peg graft the bridge pipe between the sealed inner circle, the governing valve barrel lower extreme peg graft has the gas collecting channel.
Optionally, the asbestos rope and the fire-resistant cement used for sealing are filled between the bridge pipe and the regulating valve cylinder body, and the same asbestos rope and fire-resistant cement used for sealing are arranged between the gas collecting pipe and the regulating valve cylinder body.
Optionally, the governing valve barrel is inside to be equipped with and to be used for sealing the regulation turns over the board of governing valve barrel, adjust and turn over the board with the governing valve barrel rotates to be connected, it is located to adjust turns over the board the one end that the connecting ring was kept away from to the mouth, the governing valve barrel outside is equipped with and is used for the drive it turns over the electric actuator of board upset to adjust.
Optionally, the regulation turns over board and turns over board including the first regulation that sets gradually, second regulation turns over board and third regulation turns over board, and first regulation turns over board, second regulation turns over board and third regulation turns over board and all rotates with the governing valve barrel to be connected, just first regulation turns over board, second regulation turns over board and third regulation turns over board and corresponds an electric actuator respectively.
The utility model provides a method of using coke oven controllable low temperature does not have emission oven device that dries in air, includes governing valve barrel, smoke guide opening, delivery tube, smoke guide water seal barrel, water seal barrel cover, built-in water seal cover, exhaust pipe, cylinder and aqueous ammonia inlet tube, the other end of smoke guide opening passes through flange joint the delivery tube, the delivery tube is kept away from the one end of smoke guide opening inserts smoke guide water seal barrel bottom to be higher than the bottom, smoke guide water seal barrel is located the oblique top of governing valve barrel, smoke guide water seal barrel upper portion sets up the water seal barrel cover, smoke guide water seal barrel side intercommunication exhaust pipe, built-in water seal cover is concentric to be set up inside the smoke guide water seal barrel, and the opening orientation the delivery tube, the cylinder sets up in water seal cover top, and the ejector pin of cylinder passes the inner water seal cover is last, water seal barrel cover upper portion is provided with the inlet tube, the concentric tie ring is fixed with in the governing valve barrel upper end, be equipped with down the air seal ring is equipped with down in the sealing flap, the sealing flap is equipped with down in the inner race and is used for the inner race of the sealing flap, the sealing flap is equipped with the inner race and is used for the sealing flap, the sealing flap is connected to the inside the governing valve is used for the down the sealing flap, the adjusting valve is used for sealing the one end is kept away from the down, and is used for sealing the down the adjusting valve, and is connected to the down to be used for sealing down to the adjusting valve, and is sealed to be down to the down to be opened.
S100: the top of the carbonization chamber is provided with a furnace roof, a smoke guide hole is formed in the upper part of one end of the furnace roof, a smoke guide hole water seal cover for sealing the smoke guide hole is arranged, a rising pipe straight pipe section is communicated with the upper part of the other end of the furnace roof, a rising pipe water seal cover for sealing the rising pipe straight pipe section is arranged at the end part of the rising pipe straight pipe section, one side of the rising pipe straight pipe section is communicated with a bridge pipe, a rising pipe valve body water seal valve for opening and closing a gas collecting pipe is arranged between a regulating valve cylinder body and the gas collecting pipe, and the rising pipe valve body water seal valve is closed to prevent raw gas in the gas collecting pipe from leaking; opening a water sealing cover of a smoke guide hole above the smoke guide hole on the furnace roof, closing an adjusting turning plate in the adjusting valve cylinder, lifting the built-in water sealing cover upwards, and opening the smoke guide water sealing cylinder;
s200: in the furnace drying process, air enters a carbonization chamber through a smoke guide hole of the furnace top, contacts red hot coke in the carbonization chamber to further burn the coke and burn off graphite deposited on the furnace top, high-temperature flue gas consisting of air and raw gas enters a bridge pipe, an ammonia water spray head is arranged above the bridge pipe, and the ammonia water spray head sprays ammonia water to cool the high-temperature flue gas and condense impurities and harmful smoke dust in the flue gas;
s300: the cooled and dedusted flue gas enters a regulating valve cylinder body and then enters a smoke guide water seal cylinder, and finally is discharged through a smoke discharge pipeline and collected and recycled through a downstream process pipeline;
s400: the controller adjusts the opening of the built-in water seal cover in the furnace drying process, so that the discharge speed of high-temperature smoke of the furnace drying can be adjusted in real time, and the furnace drying process is controlled.
In summary, the present invention includes at least one of the following beneficial technical effects:
an ammonia water inlet pipe is arranged at the upper part of the water seal cylinder cover, and the ammonia water can keep a certain water level after entering the smoke guide water seal cylinder. When the built-in water seal cover is positioned at the lowest position, the built-in water seal cover is buckled on the eduction tube protruding out of the bottom surface, the lower edge of the eduction tube is soaked in ammonia water, and the totally sealed water seal is formed through water seal, so that raw gas cannot enter the smoke guiding water seal cylinder. With the built-in water seal cover upwards promotes under the cylinder effect, the aperture increases gradually after the lower limb breaks away from aqueous ammonia liquid level, and raw coke oven gas can enter into in the water seal cylinder of leading cigarette, finally is discharged by exhaust pipe, when needs the operation of airing the stove, the ascending pipe valve body water seal valve closes, and the regulation in the governing valve cylinder turns over the board and closes, and built-in water seal cover upwards promotes, and raw coke oven gas can enter into in the water seal cylinder of leading cigarette, finally is discharged by exhaust pipe, through adjusting built-in water seal cover aperture, can adjust the discharge rate of airing stove high temperature flue gas in real time, and then control the process of airing the stove.
After all three adjusting turning plates are closed, a circular sealing surface is formed, and raw gas can be blocked. The first adjusting turning plate, the second adjusting turning plate and the third adjusting turning plate are respectively provided with an electric actuator. The opening degree adjustment and the cutting-off of the raw gas channel can be realized by adjusting the turning plate. Three electric actuators realize the combination of different opening degrees of three adjusting turning plates. When the coke oven works normally, the built-in water seal cover is in a closed state, and raw gas cannot enter the smoke guide water seal cylinder. The water seal valve of the ascending tube valve body is opened, the raw gas entering the bridge tube is cooled after ammonia water is sprayed by the ammonia water spray head, enters the adjusting valve cylinder body, and finally enters the gas collecting tube. The controller controls and adjusts the opening of the turning plate in real time according to the signals provided by the pressure sensor, so that the pressure in the carbonization chamber is adjusted, the adjustment flow is more linear, different pressure adjustment requirements can be met, and the pressure is accurately controlled.
Drawings
Fig. 1 is a schematic view of a conventional furnace-drying system.
Fig. 2 is a schematic structural view of an embodiment of the present invention.
FIG. 3 is a schematic view of an embodiment of the present invention.
Fig. 4 is a schematic diagram of the internal structure of an embodiment of the present invention.
Fig. 5 is a schematic structural view of an adjusting flap in an embodiment of the present invention.
Reference numerals illustrate: 01. a carbonization chamber; 02. a furnace roof; 03. a smoke guide hole; 04. a smoke guide hole water seal cover; 05. a riser straight section; 06. a riser water seal cover; 07. a bridge pipe; 08. a riser valve body water seal valve; 09. a gas collecting tube; 011. an ammonia water spray head; 1. a regulating valve cylinder; 2. a connecting ring; 3. sealing the outer ring; 4. sealing the inner ring; 5. adjusting the turning plate; 501. a first adjustment flap; 502. a second adjustment flap; 503. thirdly, adjusting and turning; 6. an electric actuator; 7. a smoke guide port; 8. an eduction tube; 9. a smoke guide water seal cylinder; 10. a water-sealed cylinder cover; 11. a built-in water seal cover; 12. a smoke exhaust duct; 13. a cylinder; 14. an ammonia water inlet pipe.
Detailed Description
The present invention is described in further detail below with reference to fig. 2-5.
The embodiment of the invention discloses a coke oven controllable low-temperature emission-free oven drying device. Referring to fig. 2, 3 and 4, the coke oven controllable low-temperature emission-free airing device comprises a regulating valve cylinder body 1, a connecting ring 2, a sealing outer ring 3, a sealing inner ring 4, a regulating turning plate 5, an electric actuator 6, a smoke guide port 7, an eduction tube 8, a smoke guide water seal cylinder 9, a water seal cylinder cover 10, a built-in water seal cover 11, a smoke exhaust pipeline 12, a cylinder 13 and an ammonia water inlet pipe 14. The coke oven controllable low-temperature emission-free furnace drying device is arranged between a lower bell and spigot of the bridge pipe 07 and an upper bell and spigot of the gas collecting pipe 09, and the inner space is communicated with the bridge pipe 07 and the gas collecting pipe 09. The smoke exhaust pipeline 12 on the smoke guide water seal cylinder 9 is connected with a downstream smoke exhaust main pipeline and is used as a smoke exhaust channel during furnace drying.
The regulating valve cylinder body 1, the sealing outer ring 3 and the sealing inner ring 4 are concentrically arranged and respectively fixed with the connecting ring 2. The lower bell and spigot of the bridge pipe 07 is inserted into the space formed by the sealing outer ring 3 and the sealing inner ring 4 during installation; the lower part of the regulating valve cylinder body 1 is inserted into the upper faucet of the gas collecting tube 09. The two socket joints are filled and sealed by asbestos ropes and fire-resistant cement.
Referring to fig. 4 and 5, a first regulating flap 501, a second regulating flap 502, and a third regulating flap 503 are arranged inside the regulating valve cylinder 1 from left to right, and the three regulating flaps can freely rotate along an axis. After all three adjusting turning plates are closed, a circular sealing surface is formed, and raw gas can be blocked. The first adjusting turning plate 501, the second adjusting turning plate 502 and the third adjusting turning plate 503 are respectively provided with an electric actuator 6. The opening degree adjustment and the cutting-off of the raw gas channel can be realized by adjusting the turning plate 5. The three electric actuators 6 control different opening combinations of the three adjusting turning plates 5, and the adjusting flow is more linear. Can adapt to different pressure regulation demands, accurate accuse pressure.
The wall of the smoke guide water seal cylinder 9 is provided with a smoke guide opening 7 at the positions of the upper part of the adjusting turning plate 5 and the lower part of the connecting ring 2, and the smoke guide opening 7 is connected with an eduction tube 8 through a flange. The other end of the eduction tube 8 is inserted into the bottom of the smoke guiding water seal cylinder 9 and is higher than the bottom by a certain height. The smoke guide water seal cylinder 9 is positioned obliquely above the regulating valve cylinder body 1, the upper part is provided with a water seal cylinder cover 10, and the side surface is provided with a smoke exhaust pipeline 12. The inside of the smoke guiding water seal cylinder 9 is provided with a built-in water sealing cover 11 which is concentrically arranged and is opened downwards. The cylinder 13 is fixed on the water-sealed cylinder cover 10, the ejector rod of the cylinder 13 passes through the water-sealed cylinder cover 10 and is fixed on the built-in water seal cover 11, and the built-in water seal cover 11 can move up and down along with the expansion and contraction of the ejector rod of the cylinder 13.
An ammonia water inlet pipe 14 is arranged at the upper part of the water-sealed cylinder cover 10, and ammonia water can keep a certain water level after entering the smoke guiding water-sealed cylinder 9. When the built-in water seal cover 11 is positioned at the lowest position, the built-in water seal cover 11 is buckled on the eduction tube 8 protruding out of the bottom surface, the lower edge of the eduction tube is soaked in ammonia water, and the water seal is used for forming complete seal, so that raw gas cannot enter the smoke guiding water seal cylinder 9. With the built-in water seal cover 11 lifted upwards under the action of the air cylinder 13, the opening gradually increases after the lower edge is separated from the ammonia water level, and raw gas can enter the smoke guide water seal cylinder 9 and is finally discharged through the smoke exhaust pipeline 12.
Referring to fig. 2 and 4, when the coke oven is in normal operation, the built-in water seal cover 11 is in a closed state, and raw gas cannot enter the smoke guide water seal cylinder 9. The water seal valve 08 of the ascending pipe valve body is opened, raw gas entering the bridge pipe 07 is cooled after being sprayed with ammonia water through the ammonia water spray head 011, enters the regulating valve cylinder body 1, and finally enters the gas collecting pipe 09. The controller controls and adjusts the opening of the turning plate 5 in real time according to the signal provided by the pressure sensor, so as to realize pressure adjustment in the carbonization chamber.
When the furnace airing operation is needed, the water seal valve 08 of the ascending pipe valve body is closed, the adjusting turning plate 5 in the adjusting valve cylinder body 1 is closed, the built-in water seal cover 11 is lifted upwards, raw gas can enter the smoke guide water seal cylinder 9, and finally the raw gas is discharged from the smoke exhaust pipeline 12. The discharge speed of the high-temperature flue gas of the airing furnace can be adjusted in real time by adjusting the opening of the built-in water sealing cover 11, so that the airing furnace process is controlled.
A coke oven controllable low-temperature emission-free oven drying method, which uses the coke oven controllable low-temperature emission-free oven drying device, comprises the following oven body steps:
s100: a furnace top 02 is arranged above the carbonization chamber 01, a smoke guide hole 03 is arranged above one end of the furnace top 02, a smoke guide hole water seal cover 04 for sealing the smoke guide hole 03 is arranged above the other end of the furnace top 02, a riser straight pipe section 05 is communicated with the upper end of the riser straight pipe section 05, a riser water seal cover 06 for sealing the riser straight pipe section 05 is arranged at the end part of the riser straight pipe section 05, one side of the riser straight pipe section 05 is communicated with a bridge pipe 07, a riser valve body water seal valve 08 for opening and closing a gas collecting pipe is arranged between the regulating valve cylinder body 1 and the gas collecting pipe 09, and the riser valve body water seal valve 08 is closed to prevent raw gas in the gas collecting pipe 09 from leaking; opening a smoke guide hole water seal cover 04 on a smoke guide hole 03 on the furnace top 02, closing an adjusting turning plate 5 in the adjusting valve cylinder 1, lifting a built-in water seal cover 11 upwards, and opening a smoke guide water seal cylinder 9;
s200: in the furnace drying process, air enters a carbonization chamber 01 from a smoke guide hole 03 of a furnace top 02, contacts red hot coke in the inside of the carbonization chamber, further burns out the coke, burns out graphite deposited on the furnace top 02, high-temperature flue gas consisting of air and raw gas enters a bridge pipe 07, an ammonia water spray head 011 is arranged above the bridge pipe 07, and the ammonia water spray head 011 sprays ammonia water to cool the high-temperature flue gas and condense impurities and harmful smoke dust in the flue gas;
s300: the cooled and dedusted flue gas enters the regulating valve cylinder 1 and then enters the smoke guide water seal cylinder 9, and finally is discharged through the smoke discharge pipeline 12 and is collected and recycled through a downstream process pipeline;
s400: the controller adjusts the opening of the built-in water seal cover 11 in the furnace drying process, so that the discharge speed of high-temperature smoke of the furnace drying can be adjusted in real time, and the furnace drying process is controlled.
The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (6)
1. A coke oven controllable low-temperature emission-free airing device is characterized in that: including governing valve barrel (1), smoke guide mouth (7), delivery tube (8), smoke guide water seal barrel (9), water seal barrel (10), built-in water seal cover (11), exhaust pipe (12), cylinder (13) and aqueous ammonia inlet tube (14), inside smoke guide mouth (7) one end intercommunication governing valve barrel (1), the other end of smoke guide mouth (7) passes through flange joint delivery tube (8), delivery tube (8) are kept away from the one end of smoke guide mouth (7) inserts smoke guide water seal barrel (9) bottom to be higher than the bottom, smoke guide water seal barrel (9) are located the oblique top of governing valve barrel (1), smoke guide water seal barrel (9) upper portion sets up water seal barrel cover (10), smoke guide water seal barrel (9) side intercommunication exhaust pipe (12), built-in water seal cover (11) are in to be set up with one heart inside smoke guide barrel (9), and the opening orientation delivery tube (8), cylinder (13) set up put water seal barrel cover (11) top and cylinder (13) and water seal cover (10) are put in the water seal barrel (10) and are passed on the water seal barrel cover (10).
2. The coke oven controlled low temperature emission-free oven drying device according to claim 1, wherein: the regulating valve is characterized in that a concentric connecting ring (2) is fixed at the upper end of the regulating valve cylinder body (1), a sealing inner ring (4) and a sealing outer ring (3) are respectively arranged on the inner side and the outer side of the connecting ring (2), a bridge pipe (07) is inserted between the sealing outer ring (3) and the sealing inner ring (4), and a gas collecting pipe (09) is inserted at the lower end of the regulating valve cylinder body (1).
3. The coke oven controlled low temperature emission-free oven drying device according to claim 2, wherein: the bridge pipe (07) and the adjusting valve cylinder (1) are filled with asbestos ropes and fireproof cement which are used for sealing, and the same asbestos ropes and fireproof cement which are used for sealing are arranged between the gas collecting pipe (09) and the adjusting valve cylinder (1).
4. The coke oven controlled low temperature emission-free oven drying device according to claim 2, wherein: the inside regulation that is used for sealing of governing valve barrel (1) turns over board (5), adjusts board (5) with governing valve barrel (1) rotate and be connected, it is located to adjust board (5) lead cigarette mouth (7) and keep away from the one end of go-between (2), be equipped with in the governing valve barrel (1) outside be used for the drive electric actuator (6) that board (5) overturned are turned over.
5. The coke oven controlled low temperature emission-free oven drying apparatus of claim 4, wherein: the adjusting turnover plate (5) comprises a first adjusting turnover plate (501), a second adjusting turnover plate (502) and a third adjusting turnover plate (503) which are sequentially arranged, wherein the first adjusting turnover plate (501), the second adjusting turnover plate (502) and the third adjusting turnover plate (503) are rotationally connected with the adjusting valve cylinder body (1), and the first adjusting turnover plate (501), the second adjusting turnover plate (502) and the third adjusting turnover plate (503) respectively correspond to an electric actuator (6).
6. A method of using the coke oven controlled low temperature emission-free air oven apparatus of any one of claims 4 or 5, comprising the steps of: s100: a furnace top (02) is arranged above the carbonization chamber (01), a smoke guide hole (03) is formed above one end of the furnace top (02), a smoke guide hole water seal cover (04) for sealing the smoke guide hole (03) is arranged, a riser straight pipe section (05) is communicated above the other end of the furnace top (02), a riser water seal cover (06) for sealing the riser straight pipe section (05) is arranged at the end part of the riser straight pipe section (05), a bridge pipe (07) is communicated with one side of the riser straight pipe section (05), a riser valve body water seal valve (08) for opening and closing a gas collecting pipe is arranged between the regulating valve cylinder (1) and the gas collecting pipe (09), and the riser valve body water seal valve (08) is closed to prevent raw gas in the gas collecting pipe (09) from leaking outwards; opening a smoke guide hole water seal cover (04) above a smoke guide hole (03) on the furnace top (02), closing an adjusting turning plate (5) in the adjusting valve cylinder body (1), lifting the built-in water seal cover (11) upwards, and opening the smoke guide water seal cylinder (9); s200: in the furnace drying process, air enters a carbonization chamber (01) from a smoke guide hole (03) of a furnace top (02), contacts red and hot coke in the inside to further burn the coke, burns graphite deposited on the furnace top (02), high-temperature flue gas consisting of air and raw gas enters a bridge pipe (07), an ammonia water spray head (011) is arranged above the bridge pipe (07), and the ammonia water spray head (011) sprays ammonia water to cool the high-temperature flue gas and condense impurities and harmful smoke dust in the flue gas; s300: the cooled and dedusted flue gas enters a regulating valve cylinder (1) and then enters a smoke guide water seal cylinder (9), and finally is discharged through a smoke discharge pipeline (12) and is collected and recovered through a downstream process pipeline; s400: the controller adjusts the opening of the built-in water sealing cover (11) in the furnace drying process, so that the discharge speed of high-temperature flue gas of the furnace drying can be adjusted in real time, and the furnace drying process is controlled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310308695.9A CN116023954B (en) | 2023-03-28 | 2023-03-28 | Coke oven controllable low-temperature emission-free oven drying method and device |
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| CN202310308695.9A CN116023954B (en) | 2023-03-28 | 2023-03-28 | Coke oven controllable low-temperature emission-free oven drying method and device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2357009Y (en) * | 1998-07-03 | 2000-01-05 | 首钢总公司 | Hanging type smoke guiding device |
| WO2011125696A1 (en) * | 2010-03-31 | 2011-10-13 | 新日本製鐵株式会社 | Coal distilled gas hot treatment facility and coke oven gas hot treatment facility |
| CN106147803A (en) * | 2016-08-11 | 2016-11-23 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven coking chamber pressure adjusting means and control method |
| CN215480709U (en) * | 2021-04-14 | 2022-01-11 | 瑞安市阀门一厂 | Pressure regulating cut-off valve set for single-hole carbonization chamber of coke oven |
| CN113956891A (en) * | 2021-08-27 | 2022-01-21 | 山西焦化股份有限公司 | Coke oven tedge from area stove function that dries in air |
| CN218620700U (en) * | 2022-12-05 | 2023-03-14 | 大连浦诚控制系统有限公司 | Coke oven structure capable of realizing safe online replacement of pressure regulating device |
-
2023
- 2023-03-28 CN CN202310308695.9A patent/CN116023954B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2357009Y (en) * | 1998-07-03 | 2000-01-05 | 首钢总公司 | Hanging type smoke guiding device |
| WO2011125696A1 (en) * | 2010-03-31 | 2011-10-13 | 新日本製鐵株式会社 | Coal distilled gas hot treatment facility and coke oven gas hot treatment facility |
| CN106147803A (en) * | 2016-08-11 | 2016-11-23 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven coking chamber pressure adjusting means and control method |
| CN215480709U (en) * | 2021-04-14 | 2022-01-11 | 瑞安市阀门一厂 | Pressure regulating cut-off valve set for single-hole carbonization chamber of coke oven |
| CN113956891A (en) * | 2021-08-27 | 2022-01-21 | 山西焦化股份有限公司 | Coke oven tedge from area stove function that dries in air |
| CN218620700U (en) * | 2022-12-05 | 2023-03-14 | 大连浦诚控制系统有限公司 | Coke oven structure capable of realizing safe online replacement of pressure regulating device |
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| Publication number | Publication date |
|---|---|
| CN116023954B (en) | 2023-06-27 |
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Denomination of invention: A controllable low-temperature and emission free drying method and device for coke ovens Effective date of registration: 20230926 Granted publication date: 20230627 Pledgee: Tangshan Jiannan Branch of Agricultural Bank of China Ltd. Pledgor: TANGSHAN BAOKAI TECHNOLOGY CO.,LTD. Registration number: Y2023110000422 |
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