CN213977532U - Self-suction type discharging device for crude gas diffusion of coke oven - Google Patents
Self-suction type discharging device for crude gas diffusion of coke oven Download PDFInfo
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- CN213977532U CN213977532U CN202022255099.3U CN202022255099U CN213977532U CN 213977532 U CN213977532 U CN 213977532U CN 202022255099 U CN202022255099 U CN 202022255099U CN 213977532 U CN213977532 U CN 213977532U
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Abstract
The utility model provides a from inhaling formula coke oven crude gas emission and use discharging equipment, installs on the protection casing of the steel construction of coke oven top, includes: the protective cover is provided with a plurality of through holes, and the through holes can cover the ascending pipe of at least one carbonization chamber on the coke oven; the plurality of diffusing cover plates are arranged at the through holes on the protective cover in a one-to-one correspondence manner, and the middle parts of the diffusing cover plates are provided with rotating shafts; one end of each rotating shaft is connected to the emission driving rod through a connecting rod; the cylinder body of the driving oil cylinder is arranged on one side of the top surface of the protective cover, and the end part of a piston rod of the driving oil cylinder is connected with a diffusion driving rod; the energy accumulator is connected with a hydraulic pump through a pipeline, and the hydraulic pump is connected with the driving oil cylinder through a pipeline; a pipeline between the hydraulic pump and the energy accumulator is provided with an electromagnetic valve and a one-way valve; the device comprises a UPS power supply and a controller, wherein the electromagnetic coil, the hydraulic pump, the electromagnetic valve and the one-way valve on each bleeding cover plate are all connected with the controller, and the controller is interlocked with the bleeding control of a coke oven bleeding control system.
Description
Technical Field
The utility model relates to a coke oven technology, in particular to a self-suction type discharging device for discharging raw coke oven gas.
Background
The coke oven production area comprises a coke oven body, a machine side coke pushing vehicle, a coke side coke guide, a coke tank truck, a coke discharging and dust collecting interface valve and the like. These devices and equipment are arranged, operated and operated in open air. In order to effectively collect and dispose a large amount of smoke dust generated in the coking production process, a coke oven coal charging, coke discharging and machine side dust removal system is configured. With the extension of the production life of the coke oven, a small amount of continuous or discontinuous smoke is generated at the furnace end of the coke oven, a small furnace door, a coal charging hole and the like and escapes outwards, and although the single-point amount of the smoke is small, the smoke has a large number of escape points and cannot be uniformly and effectively collected. In addition, the trapping rate cannot reach 100% in the early stage and the final stage of the work of the dust removal systems, and a small amount of smoke dust still escapes into the atmosphere.
The national environmental protection requires that the furnace body is covered and sealed in the urban built-up area of the key area, and the waste gas is collected and treated. To meet this new requirement, the coke oven body and the protective cover for the coke-side vehicle are integrally sealed. After the coke oven is integrally sealed, smoke dust, waste heat and other substances in the shed need to be effectively treated, and the following requirements are met:
firstly, dust, gas and waste heat generated continuously or discontinuously at each part in the production process of the coke oven are effectively captured, and the smoke dust is prevented from escaping;
ensuring that all parts in the protective cover are well ventilated, harmful gas and combustible gas cannot be gathered, and the concentration of harmful substances is safe;
and thirdly, the operating environment temperature of each working post meets the working requirement, and the running safety is ensured.
At present, only one application case of locally adding a ceiling to a coke oven exists, the bottom of the coke oven adopts a fully-open mode, the environment in the ceiling is still very poor, the sudden and comprehensive diffusion of the coke oven cannot be coped with, and the safety risk is very high. After the coke oven is wholly sealed by the protective cover, reliable measures for comprehensive diffusion are required, and accidents such as ignition, explosion and even harm to life safety of operators caused by raw gas accumulation are avoided.
After the coke oven is integrally sealed by the protective cover, if the coke oven is subjected to overall power failure or gas exhaust blower failure, the coke oven is comprehensively diffused, measures need to be taken at the moment, crude gas diffused by the coke oven is rapidly exhausted out of the protective cover, and the safety of a coke oven area in the protective cover is ensured. Therefore, it is necessary to design a protective cover sealing cover which can be automatically opened and closed by a part of the equipment.
Disclosure of Invention
The utility model aims to design a self-suction type discharging device for discharging raw coke oven gas, which can ensure that when the coke oven is suddenly discharged, all parts in a coke oven protective cover are well ventilated, harmful gas and combustible gas are quickly dissipated, and the concentration of the harmful gas is in a safety limit; the operating environment of each working post meets the working requirements, and the intrinsic safety of the coke oven after being integrally sealed by the protective cover is improved.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a from inhaling formula coke oven crude gas diffusion device, installs on the protecting sheathing of the steel construction of coke oven top, and it includes: the protective cover is provided with a plurality of through holes, and the through holes can cover the ascending pipe of at least one carbonization chamber on the coke oven; the plurality of diffusing cover plates are arranged at the through holes on the protective covers in a one-to-one correspondence manner, the middle parts of the diffusing cover plates are provided with rotating shafts, and two ends of each rotating shaft are arranged on the protective covers at two sides of each through hole through bearing seats; one end of each rotating shaft is connected with a connecting rod, and the other end of each connecting rod is connected to a diffusion driving rod; a circle of section steel is arranged on the periphery of the diffusing cover plate, and an electromagnetic coil is arranged in the section steel; the cylinder body of the driving oil cylinder is arranged on one side of the top surface of the protective cover, the end part of a piston rod of the driving oil cylinder is connected with the diffusion driving rod, and the diffusion driving rod drives the connecting rod to move so as to drive the diffusion cover plate to turn over; the energy accumulator is connected with a hydraulic pump through a pipeline, and the hydraulic pump is connected with the driving oil cylinder through a pipeline; a pipeline between the hydraulic pump and the energy accumulator is provided with an electromagnetic valve and a one-way valve;
the device comprises a UPS power supply and a controller, wherein the electromagnetic coil, the hydraulic pump, the electromagnetic valve and the one-way valve on each bleeding cover plate are all connected with the controller, and the controller is interlocked with the bleeding control of a coke oven bleeding control system.
Preferably, the through hole is sized to cover the riser tubes of two or three coking chambers of a coke oven.
Preferably, the accumulators are two groups, and each group comprises 12 nitrogen-charging hydraulic accumulators.
When the coke oven is in normal daily production, the driving oil cylinder does not act, and when the overall power failure or the coke oven is diffused, the diffusing cover plate is opened under the action of the driving oil cylinder, so that the diffused raw coke oven gas can be discharged out of the protective cover in time.
The utility model discloses in inhaling formula coke oven crude gas emission and using discharging equipment:
the utility model discloses design the apron of diffusing on the coke oven protecting cover, when the coke oven takes place to diffuse, through the outage of interlocking signal, eliminate magnetism for the apron of diffusing is opened along with actuating mechanism.
The periphery of the diffusing cover plate is made of high-strength light-weight section steel, an electromagnetic coil is installed in the high-strength light-weight section steel, and under normal conditions, the electromagnetic coil is electrified to generate magnetism, so that the diffusing cover plate and the protective cover framework steel structure are attracted, and the sealing performance of the diffusing cover plate is improved.
The diffusion driving rod drives the diffusion cover plate to turn over for 90 degrees under the driving of the driving oil cylinder, so that the diffusion cover plate is completely opened, a skylight with a linear width is formed above the coke oven protective cover, and the raw coke oven gas is quickly discharged.
The utility model discloses still design the energy storage ware, pressurize to 12 when being operated by the hydraulic pump0kg/cm2. An electromagnetic valve and a one-way valve are arranged between the hydraulic pump and the energy accumulator, when the hydraulic pump runs, the electromagnetic valve is opened, and high-pressure oil in the hydraulic pump is charged into the energy accumulator through the opened electromagnetic valve and the opened one-way valve, so that the energy accumulator is always kept above the design pressure. When the coke oven has the comprehensive release caused by the comprehensive power failure or the failure of the gas discharging blower, the UPS discharges electricity to open the outlet electromagnetic valve, and the pressure in the energy accumulator is released to enter the driving oil cylinder, so that the action of subsequent equipment is realized.
The coke oven diffusing signal is interlocked with the device, and when the coke oven diffuses, the interlocking system drives the oil cylinder to act; the energy accumulator is pressurized through the detection system during daily normal operation, the pressure of the energy accumulator is ensured to be within a normal range, and when the comprehensive release caused by full power failure occurs, an emergency power supply is provided through the UPS power supply, so that the electromagnetic valve acts, and the pressure output is ensured. When the comprehensive diffusion caused by the fault of the gas discharging and conveying blower occurs, after a diffusion signal is obtained, the electromagnetic coil in the frame of the self-suction diffusion cover plate loses electricity, the frame and the coke oven protection cover frame mechanism are loosened, then the hydraulic pump is started through the power supply of a normal power supply, and then the oil cylinder is driven to open and close the self-suction diffusion cover plate.
The utility model has the advantages that:
the utility model discloses after the installation of coke oven safety cover, the design can realize the local switching of safety cover when the coke oven is diffused comprehensively at coke oven tedge top position for the raw coke oven gas when diffusing can discharge the loss through the passageway that the safety cover top was opened fast, eliminates the safety risk that exists in the actual production operation process.
The utility model discloses fully combine coke oven production characteristics, realize the safety cover installation back at the coke oven, when taking place coke oven crude gas and diffuse, can in time discharge the coke oven safety cover with the crude gas who diffuses, ensure that the harmful gas concentration in the coke oven safety cover is in the safety level all the time.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
Referring to fig. 1, self-suction type coke oven crude gas diffusing device is installed on a protective cover 1 of a steel structure above a coke oven, and comprises:
the protective cover 1 is provided with a plurality of through holes 101 and 102, and the through holes 101 and 102 can cover the ascending pipe 2 of at least one carbonization chamber on the coke oven;
a plurality of diffusing cover plates 3 and 3' are correspondingly arranged at the through holes 101 and 102 on the protective cover 1 one by one, the middle part of the diffusing cover plate 3 (taking the diffusing cover plate 3 as an example, the same below) is provided with a rotating shaft 4, and two ends of the rotating shaft 4 are arranged on the protective cover 1 at two sides of the through holes 101 and 102 through bearing seats; one end of each rotating shaft 4 is connected with a connecting rod 5, and the other end of each connecting rod is connected to a diffusion driving rod 6; a circle of section steel 7 is arranged around the diffusing cover plate 3, and an electromagnetic coil 8 is arranged in the section steel 7;
the cylinder body of the driving oil cylinder 9 is arranged on one side of the top surface of the protective cover 1, the end part of the piston rod of the driving oil cylinder is connected with the diffusion driving rod 6, and the diffusion driving rod 6 drives the connecting rod 5 to move so as to drive the diffusion cover plate 3 to turn over;
the energy accumulator 10 is connected with a hydraulic pump 11 through a pipeline, and the hydraulic pump 11 is connected with the driving oil cylinder 9 through a pipeline; a pipeline between the hydraulic pump and the energy accumulator is provided with an electromagnetic valve and a one-way valve;
and the electromagnetic coil, the hydraulic pump, the electromagnetic valve and the one-way valve on each bleeding cover plate are all connected with the controller, and the controller is interlocked with the bleeding control signal action of the coke oven bleeding control system.
Preferably, the through hole 101 is sized to cover the riser of two or three chambers of a coke oven.
Preferably, the accumulators are two groups, and each group comprises 12 nitrogen-charging hydraulic accumulators.
When the coke oven is fully diffused, the diffusing cover plate above the ascending pipe of the coke oven is driven by the oil cylinder to drive the diffusing cover plate to be quickly opened, so that raw coke oven gas generated by the flushing of the ascending pipe cover during diffusing is timely discharged out of the coke oven protective cover, and the safety risk management and control in the fully diffusing process are realized.
The whole sealing of the coke oven protective cover is achieved, and the emergency bleeding system after the coke oven protective cover is installed is a key system of the coke oven protective cover, so the utility model has wide popularization and application prospect.
Claims (3)
1. The utility model provides a from inhaling formula coke oven crude gas emission and use discharging equipment, installs on the protective housing of the steel construction of coke oven top, its characterized in that includes:
the protective cover is provided with a plurality of through holes, and the through holes can cover the ascending pipe of at least one carbonization chamber on the coke oven;
the plurality of diffusing cover plates are arranged at the through holes on the protective covers in a one-to-one correspondence manner, the middle parts of the diffusing cover plates are provided with rotating shafts, and two ends of each rotating shaft are arranged on the protective covers at two sides of each through hole through bearing seats; one end of each rotating shaft is connected with a connecting rod, and the other end of each connecting rod is connected to a diffusion driving rod; a circle of section steel is arranged on the periphery of the diffusing cover plate, and an electromagnetic coil is arranged in the section steel;
the cylinder body of the driving oil cylinder is arranged on one side of the top surface of the protective cover, the end part of a piston rod of the driving oil cylinder is connected with the diffusion driving rod, and the diffusion driving rod drives the connecting rod to move so as to drive the diffusion cover plate to turn over;
the energy accumulator is connected with a hydraulic pump through a pipeline, and the hydraulic pump is connected with the driving oil cylinder through a pipeline; a pipeline between the hydraulic pump and the energy accumulator is provided with an electromagnetic valve and a one-way valve;
the device comprises a UPS power supply and a controller, wherein the electromagnetic coil, the hydraulic pump, the electromagnetic valve and the one-way valve on each bleeding cover plate are all connected with the controller, and the controller is interlocked with the bleeding control of a coke oven bleeding control system.
2. The self-priming coke oven crude gas emission discharge device as claimed in claim 1, wherein the through hole is sized to cover the riser of two or three coking chambers of a coke oven.
3. The self-priming coke oven crude gas emission discharge device of claim 1, wherein there are two sets of 12 nitrogen-charged hydraulic accumulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022255099.3U CN213977532U (en) | 2020-10-12 | 2020-10-12 | Self-suction type discharging device for crude gas diffusion of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022255099.3U CN213977532U (en) | 2020-10-12 | 2020-10-12 | Self-suction type discharging device for crude gas diffusion of coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213977532U true CN213977532U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022255099.3U Active CN213977532U (en) | 2020-10-12 | 2020-10-12 | Self-suction type discharging device for crude gas diffusion of coke oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213977532U (en) |
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2020
- 2020-10-12 CN CN202022255099.3U patent/CN213977532U/en active Active
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