CN112852452A - Device for automatically cleaning coke of coke dropping plate of coke oven - Google Patents
Device for automatically cleaning coke of coke dropping plate of coke oven Download PDFInfo
- Publication number
- CN112852452A CN112852452A CN202110058172.4A CN202110058172A CN112852452A CN 112852452 A CN112852452 A CN 112852452A CN 202110058172 A CN202110058172 A CN 202110058172A CN 112852452 A CN112852452 A CN 112852452A
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- coke
- rotating shaft
- plate
- receiving plate
- oven
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B43/00—Preventing or removing incrustations
- C10B43/02—Removing incrustations
- C10B43/04—Removing incrustations by mechanical means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B33/00—Discharging devices; Coke guides
- C10B33/08—Pushers, e.g. rams
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a device for automatically cleaning coke on a coke dropping plate of a coke oven, which comprises a speed reducing motor, a rotating shaft, a coke receiving plate and an opening and closing limit, wherein the rotating shaft is arranged on the top side of a front scraper machine through a bearing seat, the bottom side of the rotating shaft is respectively provided with the coke dropping plate and a coke receiving port of the scraper machine, the coke receiving port of the scraper machine is arranged on the front scraper machine and keeps a proper distance with the rotating shaft, the coke dropping plate is arranged on the coke oven, one end of the rotating shaft is connected with the speed reducing motor through a transmission chain, the speed reducing motor drives the rotating shaft to rotate through the transmission chain, the speed reducing motor is arranged on the front scraper machine, the coke receiving plate is arranged above the coke receiving port of the scraper machine and corresponds to the coke receiving plate, one side of the coke receiving plate is fixedly connected with the rotating shaft and can be driven by the rotating. The automatic coke dropping plate cleaning machine adopts automation to replace the current manual coke dropping plate cleaning machine, thereby achieving the purposes of reducing the manual operation time, improving the working efficiency and reducing the heatstroke and mechanical injury risks of the workers who get out of the oven.
Description
Technical Field
The invention belongs to the field of coal coking mechanical equipment, and particularly relates to a device for automatically cleaning coke of a coke dripping plate of a coke oven.
Background
The steel coke oven of Zhanjiang province is a reheating top-charging coke oven with 4 x 65 holes JNX2-70-2 type, coal is charged from the top of the oven by a coal charging car, the charged coal is dried, preheated, thermally decomposed, produced by colloidal body, solidified by colloidal body, contracted by semicoke and converted into coke by semicoke in a carbonization chamber isolated from air, after the fire is delayed (i.e. the coke is ripe), the coke side oven door of the machine is picked up by a coke pusher and a coke guide car, the coke pusher is pushed out, the coke guide car guides the coke into an electric car (carrying car), and then the coke is sent into a dry quenching car for cooling.
The coke pusher and the coke guide vehicle pick the furnace door, when the door picking machine picks the furnace door, the furnace door retreats and leaves the furnace opening, coke at the top of the carbonization chamber close to the furnace door is formed, cracks are formed after the coke is formed, the caking property of the coke is reduced, and the coke is formed under the action of gravity; at the middle-lower part jointed with the furnace door, the coal powder is not completely coked due to heating limitation, and forms a semicoke state, and is separated from the furnace door when the furnace door retreats. The falling coke, coal powder, tar and the like fall on the coke dripping plate.
At present, the collapsed coke (red coke), coal powder and tar are shoveled into a coke receiving opening of a coke pusher and a coke guide car by an iron shovel for a furnace-out worker, the furnace front scraper has a water tank, and the scraper conveys the extinguished coke, coal powder and the like to a coke storage hopper for recycling. The prior operation mainly has the following problems:
1. the operating environment is severe, the temperature of a mouth of the carbonization chamber is about 1000 ℃, scattered coke (red coke) and pulverized coal are scraped into a water tank in front of the furnace by a tapping worker by an iron shovel, the red coke can emit a large amount of water vapor when meeting water, the sight of the tapping worker is influenced, and the operation has safety risk; the heat radiation in the carbonization chamber also has influence on the body of the worker who gets out of the furnace.
2. The operation influences the discharging time, a group of coke ovens are discharged from 130 ovens in 1 day (24 hours), and the operation time of cleaning a coke flowing plate of each oven is 2 minutes. The time of effect was up to 260 minutes per day.
3. The manual cleaning effect is poor, and when the coke dropping plate is manually cleaned, the scraper knife is needed to be used for scraping off the tar adhered to the coke dropping plate, and then the tar is swept into the scraper machine in front of the furnace by the broom. Because the time is urgent, the manual cleaning effect is poor, and the cleaning is not clean.
Disclosure of Invention
The invention aims to provide a device for automatically cleaning coke dripping plates of a coke oven, which replaces the existing manual cleaning of the coke dripping plates of the coke oven by automation, thereby achieving the purposes of reducing the manual operation time, improving the working efficiency and reducing the heat stroke and mechanical injury risks of a worker out of the oven.
In order to achieve the purpose, the invention adopts the following technical scheme:
the device comprises a speed reducing motor, a rotating shaft, a coke receiving plate and an opening and closing limit, wherein the rotating shaft is arranged on the top side of a stokehold scraper machine through a bearing seat, the bottom side direction of the rotating shaft is respectively provided with the coke dropping plate and a coke receiving port of the scraper machine, the coke receiving port of the scraper machine is arranged on the stokehold scraper machine and keeps a proper distance with the rotating shaft, the coke dropping plate is arranged on a coke oven, one end of the rotating shaft is connected with the speed reducing motor through a transmission chain, the speed reducing motor drives the rotating shaft to rotate through the transmission chain, the speed reducing motor is arranged on the stokehold scraper machine, the coke receiving plate is arranged above the coke receiving port of the scraper machine and corresponds to the coke receiving port, one side of the coke receiving plate is fixedly connected with the rotating shaft, and the coke receiving plate can be driven by the rotating shaft to.
The rotating shaft is provided with an opening and closing limit.
The coke receiving plate is made of high-chromium heat-resistant cast iron.
And triangular wave plates are arranged on two sides of the focus receiving plate connected with the rotating shaft.
And the rotating shaft is provided with a jacket.
The invention has the beneficial effects that:
the coke receiving plate is driven by the speed reducing motor and driven by the transmission chain, the coke receiving plate automatically rotates to be switched into coke, the switching limit is increased, the automatic switching state is achieved, the automatic cleaning of coke, tar and coal powder at the mouth of the coke oven is realized in the discharging process of the coke oven, the manual cleaning of the coke dropping plate during the discharging of the coke oven is replaced, the manual operation is replaced, the unmanned operation can be realized, the labor force is saved, the exposure of personnel at the high temperature at the mouth of the coke oven is also avoided, and the safety is greatly improved. The manual cleaning time is long, the coke pushing operation efficiency is influenced, and the coke pushing operation efficiency can be improved after the automatic cleaning of the coke dropping plate is realized.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view of a coke dripping plate and a coke oven body of the invention;
FIG. 4 is a schematic diagram of a coke receiving plate structure according to the present invention.
In the figure: 1. the coke oven comprises a speed reducing motor, 2. a transmission chain, 3. a bearing seat, 4. an opening and closing limit, 5. a rotating shaft, 6. a coke receiving plate, 7. an outer sleeve, 8. a stokehole scraper, 9. a coke receiving opening of the scraper, 10. a steel column of the coke oven and 11. a coke dropping plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 to 4, the device for automatically cleaning coke on a coke dropping plate of a coke oven comprises a speed reduction motor 1, a rotating shaft 5, a coke receiving plate 6 and an opening and closing limit 4, wherein the rotating shaft 5 is arranged on the top side of a front scraper 8 through a bearing seat 3, a coke dropping plate 11 and a scraper coke receiving port 9 are respectively arranged on the bottom side of the rotating shaft 5, the scraper coke receiving port 9 is arranged on the front scraper 8 and keeps a proper distance with the rotating shaft 5, the coke dropping plate 11 is arranged on the coke oven, one end of the rotating shaft 5 is connected with the speed reduction motor 1 through a transmission chain 2, the speed reduction motor 1 drives the rotating shaft 5 to rotate through the transmission chain 2, the speed reduction motor 1 is arranged on the front scraper 8, the coke receiving plate 6 is arranged above the scraper coke receiving port 9 and at a position corresponding to the position, one side of the coke receiving plate 6 is fixedly connected with the rotating shaft 5 and can be driven by the rotating shaft 5 to move forward, And moving in the opposite direction.
The rotary shaft 5 is provided with an opening and closing limit 4, and the rotation angle of the rotary shaft 5 is controlled through the opening and closing limit 4 so as to control the automatic opening and closing state of the rotary shaft 5 driving the coke receiving plate 6.
The coke receiving plate 6 is made of high-chromium heat-resistant cast iron, can resist high temperature and has better mechanical property at high temperature.
The two sides of the coke receiving plate 6 connected with the rotating shaft 5 are both provided with triangular wave plates to ensure that coke cannot scatter from the two sides of the coke receiving plate 6 when the coke receiving plate 6 rotates reversely.
The rotating shaft 5 is provided with an outer sleeve 7 to prevent the rotating shaft 5 from deforming under high temperature of the furnace mouth and prevent dust from entering the rotating shaft 5 to cause the shaft to be jammed.
The working principle is as follows:
1. arrangement position: as shown in figures 1, 2 and 3, the coke receiving plate 6 of the device coincides with the coke receiving opening 9 of the scraper machine of the stokehole scraper machine 8, when the coke receiving plate 6 is opened, the coke receiving plate 6 can be attached to the coke dropping plate 11, when the coke receiving plate 6 is closed, the coke receiving opening 9 of the scraper machine can be covered, when the coke receiving plate 6 is attached to the coke dropping plate 11, the coke oven door is opened, and scattered coke, coal dust, tar and the like fall on the coke receiving plate 6.
2. And (3) starting a system: when the coke is mature, the coke pusher and the coke guide car travel to the coke receiving opening 9 of the scraper conveyor, after the coke pusher and the coke guide car are aligned accurately, the travel stops, the speed reducing motor 1 is automatically opened, the speed reducing motor 1 drives the rotating shaft 5 through the transmission chain 2, the rotating shaft 5 drives the coke receiving plate 6 to rotate forward, when the coke receiving plate 6 is attached to the coke dropping plate 11, the coke receiving plate 6 reaches the front and is controlled to be limited through the opening and closing limit 4, the motor is powered off, and the coke receiving plate 6 stops moving. The coke pusher and the coke guide car door-taking machine start to advance.
3. And (3) shutting down the system: after the coke pusher finishes pushing the coke, the grid of the coke guide car retreats to close the furnace door, and the coke pusher closes the furnace door. When the door taking machine reaches the retreating end, the speed reducing motor 1 runs in the reverse direction, the speed reducing motor 1 drives the rotating shaft 5, the rotating shaft 5 drives the coke receiving plate 6 to rotate in the reverse direction, coke, coal powder, tar and the like on the coke receiving plate 6 slide into the coke receiving opening 9 of the scraper conveyor of the front scraper conveyor 8 along with the reduction of the inclination angle of the coke receiving plate 6 in the rotating process, and the front scraper conveyor 8 conveys the coke coal powder, the tar and the like to the coke storage hopper. When the coke receiving plate 6 is attached to the coke receiving port 9 of the scraper conveyor, the coke receiving plate 6 reaches the rear limit position, the motor is powered off, and the coke receiving plate 6 stops acting. The coke pushing car and the coke guide car run to the next furnace number.
4. The operation mode is as follows: three modes are selected, namely a full-automatic mode, a semi-automatic mode and a manual mode.
5. Material selection: the coke receiving plate 6 is easily deformed by being baked with coke for a long time, and a material having high temperature resistance and being hardly deformed should be selected.
6. System maintenance: after the coke receiving plate 6 is operated for a long time, coke may partially remain on the coke receiving plate 6 due to its high tar viscosity, and the adhesion of the coke to the coke receiving plate 6 may be observed for cleaning. The four big coke oven cars use the water glycol fire-resistant hydraulic fluid 46, when the hydraulic fluid is replaced, the replaced hydraulic fluid can be coated on the coke receiving plate 6, thereby not only reducing tar adhesion, but also realizing waste utilization.
7. A coke receiving plate 6: the size of the coke receiving plate 6 is designed according to the size of the coke dripping plate 11, and the coke receiving plate 6 is required not to rub the oven door of the coke oven and the coke oven steel columns 10 at two sides of the oven front scraper conveyor 8 when rotating. As shown in FIG. 4, triangular wave plates are arranged on both sides of the coke receiving plate 6 to ensure that coke does not scatter from both sides of the coke receiving plate 6 when the coke receiving plate 6 rotates in the reverse direction.
The steel coke oven of Zhanjiang province of Bao steel adopts a model JNX2-70-2 double-heating top-charging coke oven with 4 x 65 holes, and starts to be put into operation in 2015 7 months. In the operation process, the coke dripping plate 11 needs to be cleaned manually, and the manual operation is replaced by the coke dripping plate cleaning machine in the design of the unmanned project of four large vehicles at present, so that the automatic cleaning of the coke dripping plate 11 is realized, the automation of a coke pusher and a coke guide vehicle is improved, and the coke pushing operation efficiency is improved.
With the push of smart manufacturing and industry 4.0, more and more devices need to be automated, unmanned, and intelligent. The coke pushing device can automatically clean the coke dropping plate 11 when the coke oven is discharged under the conditions of relatively low investment and relatively simple operation, can replace manual operation, can improve the coke pushing operation efficiency, and has higher practical value. At present, most of domestic furnace discharge is cleaned manually, so the invention has better popularization and application prospect.
Claims (5)
1. The utility model provides an automatic clear up device that coke oven trickled down coke board coke which characterized in that: the coke oven coke receiving plate comprises a speed reducing motor (1), a rotating shaft (5), a coke receiving plate (6) and an opening and closing limit (4), wherein the rotating shaft (5) is arranged on the top side of a stokehole scraper (8) through a bearing seat (3), the bottom side direction of the rotating shaft (5) is respectively provided with a coke dripping plate (11) and a coke receiving port (9) of the scraper, the coke receiving port (9) of the scraper is arranged on the stokehole scraper (8) and keeps a proper distance with the rotating shaft (5), the coke dripping plate (11) is arranged on a coke oven, one end of the rotating shaft (5) is connected with the speed reducing motor (1) through a transmission chain (2), the speed reducing motor (1) drives the rotating shaft (5) to rotate through the transmission chain (2), the speed reducing motor (1) is arranged on the stokehole scraper (8), the coke receiving plate (6) is arranged above the coke receiving port (9) of the scraper and corresponds to the coke receiving plate (6), one side of the coke receiving plate (6) is, and can be driven by the rotating shaft (5) to move in the positive and negative directions.
2. The device for automatically cleaning the coke dripping plate of the coke oven as claimed in claim 1, characterized in that: the rotating shaft (5) is provided with an opening and closing limit (4).
3. The device for automatically cleaning the coke dripping plate of the coke oven as claimed in claim 1, characterized in that: the coke receiving plate (6) is made of high-chromium heat-resistant cast iron.
4. The device for automatically cleaning the coke dripping plate of the coke oven as claimed in claim 1, characterized in that: triangular wave plates are arranged on two sides of the focus receiving plate (6) connected with the rotating shaft (5).
5. The device for automatically cleaning the coke dripping plate of the coke oven as claimed in claim 1, characterized in that: and the rotating shaft (5) is provided with an outer sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110058172.4A CN112852452A (en) | 2021-01-16 | 2021-01-16 | Device for automatically cleaning coke of coke dropping plate of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110058172.4A CN112852452A (en) | 2021-01-16 | 2021-01-16 | Device for automatically cleaning coke of coke dropping plate of coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112852452A true CN112852452A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110058172.4A Pending CN112852452A (en) | 2021-01-16 | 2021-01-16 | Device for automatically cleaning coke of coke dropping plate of coke oven |
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| Country | Link |
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| CN (1) | CN112852452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150802A (en) * | 2021-04-01 | 2021-07-23 | 山东炜杰化工科技有限公司 | On-line coke cleaning ascending pipe of coke oven and on-line coke cleaning method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204434543U (en) * | 2014-12-30 | 2015-07-01 | 山西安泰集团股份有限公司 | Coke oven drops down burnt plate automatic cleaning device |
| CN206683425U (en) * | 2017-02-28 | 2017-11-28 | 上海万澄环保科技有限公司 | A kind of coke cleaning apparatus of cement rotary kiln burner |
| CN111205879A (en) * | 2020-03-06 | 2020-05-29 | 中冶焦耐(大连)工程技术有限公司 | Automatic cleaning device of tar before furnace gate |
| CN111647413A (en) * | 2020-06-23 | 2020-09-11 | 大连华锐重工焦炉车辆设备有限公司 | Universal coke flowing knife cleaning device for coke oven machinery and use method thereof |
| CN111763522A (en) * | 2020-05-25 | 2020-10-13 | 太原重工股份有限公司 | Coke dropping plate cleaning device |
-
2021
- 2021-01-16 CN CN202110058172.4A patent/CN112852452A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204434543U (en) * | 2014-12-30 | 2015-07-01 | 山西安泰集团股份有限公司 | Coke oven drops down burnt plate automatic cleaning device |
| CN206683425U (en) * | 2017-02-28 | 2017-11-28 | 上海万澄环保科技有限公司 | A kind of coke cleaning apparatus of cement rotary kiln burner |
| CN111205879A (en) * | 2020-03-06 | 2020-05-29 | 中冶焦耐(大连)工程技术有限公司 | Automatic cleaning device of tar before furnace gate |
| CN111763522A (en) * | 2020-05-25 | 2020-10-13 | 太原重工股份有限公司 | Coke dropping plate cleaning device |
| CN111647413A (en) * | 2020-06-23 | 2020-09-11 | 大连华锐重工焦炉车辆设备有限公司 | Universal coke flowing knife cleaning device for coke oven machinery and use method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150802A (en) * | 2021-04-01 | 2021-07-23 | 山东炜杰化工科技有限公司 | On-line coke cleaning ascending pipe of coke oven and on-line coke cleaning method thereof |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210528 |
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| RJ01 | Rejection of invention patent application after publication |