CN215947180U - Coke oven tedge flue gas dust arrester installation - Google Patents
Coke oven tedge flue gas dust arrester installation Download PDFInfo
- Publication number
- CN215947180U CN215947180U CN202122462177.1U CN202122462177U CN215947180U CN 215947180 U CN215947180 U CN 215947180U CN 202122462177 U CN202122462177 U CN 202122462177U CN 215947180 U CN215947180 U CN 215947180U
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- CN
- China
- Prior art keywords
- coke oven
- water seal
- pipe
- flue gas
- dust collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003546 flue gas Substances 0.000 title claims abstract description 55
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000000571 coke Substances 0.000 title claims abstract description 49
- 239000000428 dust Substances 0.000 title claims abstract description 43
- 238000009434 installation Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000000779 smoke Substances 0.000 claims abstract description 47
- 238000001816 cooling Methods 0.000 claims abstract description 41
- 230000001174 ascending effect Effects 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000006477 desulfuration reaction Methods 0.000 abstract description 8
- 230000023556 desulfurization Effects 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001314 paroxysmal effect Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Coke Industry (AREA)
Abstract
The utility model relates to a smoke dust collecting device for a coke oven ascending pipe, belonging to the technical field of coke oven environmental protection. The technical scheme is as follows: a smoke dust collecting and cooling device (7) is fixed above a water seal cover (12) on a bridge pipe (20) of a coke oven ascending pipe through a support rod (13), the smoke dust collecting and cooling device (7) is of a middle through structure, an openable water seal valve (16) is arranged at the top opening, and the top opening of the smoke dust collecting and cooling device (7) is connected with a coke oven flue gas system through a pipeline and a fan. The utility model has the beneficial effects that: high-temperature smoke generated by a coke oven ascending pipe is collected, the smoke is guided into a coke oven flue, desulfurization, denitration and dust collection treatment are uniformly carried out, the investment of fixed assets for subsequent treatment is not increased, the cost is saved, the centralized treatment of the array-source pollution sources is realized, and the operating environment of the oven top is improved.
Description
Technical Field
The utility model relates to a smoke dust collecting device for a coke oven ascending pipe, belonging to the technical field of coke oven environmental protection.
Background
Coking production is an important link of long-flow steel smelting, and the development is rapid in recent years, but the problem of environmental pollution is serious. For example, the water seal cover of the ascending pipe needs to be opened 20-30 minutes before the coke oven is discharged and pushed out according to the plan, so as to check whether the crude gas export system is blocked and cleaned. In the early stage of opening a water seal cover of the ascending pipe, raw coke oven gas in the ascending pipe is violently combusted at the water seal cover to generate high-temperature flue gas. Sometimes, the coke side furnace cover is required to be pulled open to introduce air into the carbonization chamber to burn off the spatial graphite, and high-temperature combustion gas is discharged through the ascending pipe. Particularly, in the production of the coke oven, if an accident occurs, the water sealing cover of the ascending pipe is forced to be opened, and a large amount of high-temperature smoke (toxic and harmful gas) is discharged out of order. At present, during the production of the coke oven in the prior art, the coke oven needs to open a water seal cover of a riser, and the crude gas is exhausted after being combusted by opening an ignition device. However, SO in flue gas after high temperature combustion2、NOXAnd directly enter the atmospheric environment to cause atmospheric pollution. Along with the continuous improvement of national requirements on environmental protection, the collection and treatment of scattered smoke dust (paroxysmal and accidental) are important components of factory cleaning production, and the dust collection of the smoke of the ascending pipe of the coke oven is a technical problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coke oven ascending pipe flue gas dust collecting device, which collects high-temperature smoke dust generated by a coke oven ascending pipe, guides the smoke dust into a coke oven flue, uniformly carries out desulfurization, denitration and dust collection treatment, does not increase the fixed asset investment of subsequent treatment, saves the cost, realizes the centralized treatment of an array source pollution source, improves the operating environment of the oven top, and solves the technical problems in the prior art.
The technical scheme of the utility model is as follows:
a coke oven ascending pipe flue gas dust collection device comprises a flue gas and flue gas collection and cooling device, a water seal cover, a water seal valve and a bridge pipe, wherein the flue gas and flue gas collection and cooling device is fixed above the water seal cover on the bridge pipe of the coke oven ascending pipe through a support rod, the flue gas collection and cooling device is of a middle transparent structure, the top opening of the flue gas collection and cooling device is provided with the water seal valve which can be opened, and the top opening of the flue gas collection and cooling device is connected with a coke oven flue gas system through a pipeline and a fan; high-temperature smoke generated by the furnace ascending pipe is guided into the coke oven flue after passing through the smoke collecting and cooling device, and is subjected to subsequent desulfurization, denitrification and dust collection treatment together with smoke in the coke oven flue. The flue gas in the flue of the coke oven is subjected to desulfurization, denitrification and dust collection treatment, which is a known and common mature technology in the field, and the innovation point of the patent is that high-temperature smoke generated by cooling an ascending pipe of the coke oven is collected and guided into the flue of the coke oven.
The water seal valve is opened and closed through a first lever mechanism, the water seal valve is fixed at one end of the first lever mechanism, and the other end of the water seal valve is connected with the flexible steel wire; the water seal cover is opened and closed through a second lever mechanism, the water seal cover is fixed at one end of the second lever mechanism, the other end of the second lever mechanism is connected with the pull rod, a flexible steel wire of the first lever mechanism is connected to the other end of the second lever mechanism, the pull rod is pulled, and meanwhile the water seal cover and the water seal valve are synchronously opened and closed.
The smoke dust collecting and cooling device is a frustum tubular structure formed by coiling a coil pipe, and the coil pipe forms a cooling system for collecting smoke gas in pairs through a water inlet manifold and a water outlet manifold; the inner diameter of a larger opening at the lower end of the frustum tubular structure is larger than the inner diameter of the bridge pipe, and the frustum tubular structure is covered above a water seal cover at the top of the bridge pipe; the smaller opening at the upper end of the frustum tubular structure is provided with an openable water seal valve.
A smaller opening at the upper end of the frustum cylindrical structure is connected with a main pipe through a branch pipe, and the main pipe is connected with a coke oven flue gas system; the main pipe is provided with a steam trap, when the collected high-temperature flue gas passes through the smoke dust collecting and cooling device, the temperature is reduced, the high-temperature flue gas enters the flue gas main pipe through the branch pipe, and condensed moisture is discharged through the steam trap.
The pull rod is connected with the cylinder, and the cylinder provides power for pulling the pull rod.
The water cover is matched with a common ignition device.
The utility model can realize automatic control, control the synchronous opening and closing of the water seal cover and the water seal valve, and control the ignition of the ignition device and the circulating cooling water of the smoke dust collecting and cooling device, and the control mode is known and used in the field.
The utility model has the beneficial effects that: high-temperature smoke generated by a coke oven ascending pipe is collected, the smoke is guided into a coke oven flue, desulfurization, denitration and dust collection treatment are uniformly carried out, the investment of fixed assets for subsequent treatment is not increased, the cost is saved, the centralized treatment of the array-source pollution sources is realized, and the operating environment of the oven top is improved.
Drawings
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the working state of the present invention;
FIG. 4 is a schematic view of a soot collection cooling device of the present invention;
in the figure: the device comprises a cylinder 1, a pneumatic electromagnetic valve 2, an air source 3, an automatic control module 4, a motor 5, a pump 6, a smoke dust collecting and cooling device 7, an ignition device 8, a water storage tank 9, an ignition power supply shutter 10, a pull rod 11, a water sealing cover 12, a support rod 13, a flexible steel wire 14, a fixed pulley 15, a water sealing valve 16, a branch pipe 17, a header pipe 18, a steam trap 19, a bridge pipe 20, combustion flame 21, high-temperature smoke dust 22, a coil pipe 23, a water inlet collecting pipe 24 and a water outlet collecting pipe 25.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples.
A coke oven ascending pipe flue gas dust collection device comprises a flue gas and flue gas collection and cooling device 7, a water seal cover 12, a water seal valve 16 and a bridge pipe 20, wherein the flue gas and flue gas collection and cooling device 7 is fixed above the water seal cover 12 on the bridge pipe 20 of the coke oven ascending pipe through a support rod 13, the flue gas and flue gas collection and cooling device 7 is of a middle through structure, the top opening of the flue gas and flue gas collection and cooling device 7 is provided with the openable water seal valve 16, and the top opening of the flue gas and flue gas collection and cooling device 7 is connected with a coke oven flue gas system through a pipeline and a fan; high-temperature smoke generated by the furnace ascending pipe passes through the smoke collecting and cooling device 7 and then is guided into the coke oven flue, and the smoke is subjected to subsequent desulfurization, denitrification and dust collection treatment together with the smoke in the coke oven flue. The flue gas in the flue of the coke oven is subjected to desulfurization, denitrification and dust collection treatment, which is a known and common mature technology in the field, and the innovation point of the patent is that high-temperature smoke generated by cooling an ascending pipe of the coke oven is collected and guided into the flue of the coke oven.
The water seal valve 16 is opened and closed through a first lever mechanism, the water seal valve 16 is fixed at one end of the first lever mechanism, and the other end of the water seal valve is connected with the flexible steel wire 14; the water seal cover 12 is opened and closed through a second lever mechanism, the water seal cover 12 is fixed at one end of the second lever mechanism, the other end of the second lever mechanism is connected with the pull rod 11, the flexible steel wire 14 of the first lever mechanism is connected at the other end of the second lever mechanism, the pull rod 11 is pulled, and meanwhile the water seal cover 12 and the water seal valve 16 are synchronously opened and closed.
The smoke dust collecting and cooling device 7 is a frustum tubular structure formed by coiling a coil pipe 23, and the coil pipe 23 forms a cooling system for collecting smoke gas through a water inlet collecting pipe 24 and a water outlet collecting pipe 25; the inner diameter of a larger opening at the lower end of the frustum tubular structure is larger than the inner diameter of the bridge pipe 20, and the frustum tubular structure is covered above the water seal cover 12 at the top of the bridge pipe 20; the smaller opening at the upper end of the frustum cylindrical structure is provided with an openable water seal valve 16.
A small opening at the upper end of the frustum cylindrical structure is connected with a main pipe 18 through a branch pipe 17, and the main pipe 18 is connected with a coke oven flue gas system; the header pipe 18 is provided with a steam trap 19, when the collected high-temperature flue gas passes through the flue gas collecting and cooling device 7, the temperature is reduced, the high-temperature flue gas enters the header pipe of the flue gas 18 through the branch pipes 17, and the condensed moisture is discharged through the steam trap 19 18.
The pull rod 11 is connected with the cylinder 1, and the cylinder 1 provides power for pulling the pull rod.
The water cover 12 is fitted next to a known and common ignition device 8.
In the embodiment, the utility model realizes automatic control, controls the synchronous opening and closing of the water seal cover 12 and the water seal valve 16, and controls the ignition of the ignition device 8 and the circulating cooling water of the smoke dust collecting and cooling device 7.
When it is desired to open the riser pipe water cap 12. After the automatic control module 4 sends out an instruction, the motor 5 of the cooling water circulation system is started first, and the pump 6 pumps water in the water storage tank 9 into the smoke collecting and cooling device 7. Protecting the smoke dust collecting and cooling device and cooling the collected high-temperature smoke. Secondly, the automatic control module 4 transmits a signal to the ignition power switch 10, and energizes the ignition device 8 (resistance wire) (adopting an alternating current 24V power supply) to preheat until the ignition state is met. The automatic control module 4 then transmits a signal to the pneumatic solenoid valve 2 (down). The air source 3 transmits compressed air to the air cylinder 1 through the pneumatic electromagnetic valve 2 (lower position). The cylinder 1 starts to contract, and the water seal cover 12 of the bridge pipe 20 (ascending pipe) and the water seal valve 16 of the flue gas pipeline (branch pipe 17) are synchronously opened.
The raw gas escaping from the ascending pipe is ignited by an ignition device 8 (resistance wire) and is combusted to generate high-temperature flue gas. When the high-temperature flue gas passes through the smoke collecting and cooling device 7, the temperature is reduced. Through the branch 17 into the main duct 18 for the flue gases. Wherein the condensed moisture is discharged through the steam trap 19.
The flue gas entering the main pipe 18 is guided by a fan and enters a coke oven flue gas system. And carrying out subsequent desulfurization, denitration and dust collection treatment.
The dust-containing high-temperature flue gas channel is started by the mechanical synchronous linkage of a water seal cover 12 of the ascending pipe and a water seal valve 16 of a flue gas pipeline branch pipe 17. The flue gas main pipe 18 and the branch pipe 17 keep a certain negative pressure, so that high-temperature dust-containing flue gas does not escape.
At the end of the bleeding process, the pneumatic solenoid valve 2 is first switched, the cylinder 1 is released, and the water seal cover 12 and the water seal valve 16 are closed. Secondly, the motor 5 of the circulating water system stops, and the pump 6 does not work any more.
FIG. 2 illustrates: the air cylinder 1 is in an extending state, and the water sealing cover 12 and the water sealing valve 16 are in a closing state. Wherein the water seal valve 16 and the water seal cover 12 are synchronously and mechanically linked through a flexible steel wire 14 and a fixed pulley 15 and are connected with the cylinder 1 through a pull rod 11. The smoke collecting and cooling device 7 and the supporting body thereof are connected with the bridge pipe 20 (ascending pipe) through the supporting rod 11 through bolts. One end of the branch pipe 17 is connected with the supporting body of the smoke dust collecting and cooling device 7, a water seal valve 16 is arranged in the branch pipe, and the other end of the branch pipe is connected with the main pipe 18.
FIG. 3 illustrates: when the water seal cover 12 is opened (the water seal valve 16 is synchronously opened), the raw gas is acted by the preheated ignition device 8 to form combustion flame 21, and high-temperature smoke 22 is generated. Cooled by the smoke collecting and cooling device 7, and enters the main pipe 18 through the branch pipe 17. FIG. 4 illustrates: the smoke collecting and cooling device 7 adopts a transverse coil pipe 23 structure, wherein a water inlet collecting pipe 24 and a water outlet collecting pipe 25 are arranged in the 180-degree direction.
Claims (5)
1. The coke oven ascending pipe flue gas dust collecting device is characterized in that: the device comprises a gas smoke dust collecting and cooling device (7), a water seal cover (12), a water seal valve (16) and a bridge pipe (20), wherein the smoke dust collecting and cooling device (7) is fixed above the water seal cover (12) through a support rod (13) on the bridge pipe (20) of a coke oven ascending pipe, the smoke dust collecting and cooling device (7) is of a middle transparent structure, the top opening is provided with the water seal valve (16) capable of being opened, and the top opening of the smoke dust collecting and cooling device (7) is connected with a coke oven flue gas system through a pipeline and a fan.
2. The coke oven ascending pipe flue gas dust collecting device according to claim 1, characterized in that: the water seal valve (16) is opened and closed through a first lever mechanism, the water seal valve (16) is fixed at one end of the first lever mechanism, and the other end of the water seal valve is connected with the flexible steel wire (14); the water seal cover (12) is opened and closed through a second lever mechanism, the water seal cover (12) is fixed at one end of the second lever mechanism, the other end of the second lever mechanism is connected with the pull rod (11), and a flexible steel wire (14) of the first lever mechanism is connected at the other end of the second lever mechanism and synchronously opens and closes the water seal cover (12) and the water seal valve (16).
3. The coke oven ascending pipe flue gas dust collecting device according to claim 1 or 2, characterized in that: the smoke dust collecting and cooling device (7) is of a frustum cylindrical structure formed by coiling a coil pipe (23), and the coil pipe (23) forms a cooling system for collecting smoke gas through a water inlet manifold (24) and a water outlet manifold (25); the inner diameter of a larger opening at the lower end of the frustum tubular structure is larger than the inner diameter of the bridge pipe (20), and the frustum tubular structure is covered above the water seal cover (12) at the top of the bridge pipe (20); the smaller opening at the upper end of the frustum cylindrical structure is provided with an openable water seal valve (16).
4. The coke oven ascending pipe flue gas dust collecting device according to claim 3, characterized in that: a small opening at the upper end of the frustum cylindrical structure is connected with a main pipe (18) through a branch pipe (17), and the main pipe (18) is connected with a coke oven flue gas system; a steam trap (19) is arranged on the main pipe (18).
5. The coke oven ascending pipe flue gas dust collecting device according to claim 2, characterized in that: the pull rod (11) is connected with the cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122462177.1U CN215947180U (en) | 2021-10-13 | 2021-10-13 | Coke oven tedge flue gas dust arrester installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122462177.1U CN215947180U (en) | 2021-10-13 | 2021-10-13 | Coke oven tedge flue gas dust arrester installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215947180U true CN215947180U (en) | 2022-03-04 |
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ID=80412323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122462177.1U Active CN215947180U (en) | 2021-10-13 | 2021-10-13 | Coke oven tedge flue gas dust arrester installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215947180U (en) |
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2021
- 2021-10-13 CN CN202122462177.1U patent/CN215947180U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tangshan Jiaonai Technology Co.,Ltd. Assignor: TANGSHAN BAOKAI TECHNOLOGY CO.,LTD. Contract record no.: X2024980005743 Denomination of utility model: A dust collection device for coke oven riser flue gas Granted publication date: 20220304 License type: Common License Record date: 20240513 |