CN219972197U - Carbonization furnace with furnace top high-temperature fire extinguishing device - Google Patents
Carbonization furnace with furnace top high-temperature fire extinguishing device Download PDFInfo
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- CN219972197U CN219972197U CN202320934962.9U CN202320934962U CN219972197U CN 219972197 U CN219972197 U CN 219972197U CN 202320934962 U CN202320934962 U CN 202320934962U CN 219972197 U CN219972197 U CN 219972197U
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- 238000003763 carbonization Methods 0.000 title claims abstract description 58
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 99
- 229910052757 nitrogen Inorganic materials 0.000 claims description 47
- 239000007789 gas Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 5
- 239000003245 coal Substances 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 5
- 239000000571 coke Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model belongs to the technical field of carbonization furnace equipment, and particularly relates to a carbonization furnace with a furnace top high-temperature fire extinguishing device. The utility model at least comprises a carbonization furnace body and an electrohydraulic gate valve; the top of the carbonization furnace body is provided with a furnace top bin and a gas collecting bent pipe; the furnace top bin is connected with the top of the carbonization furnace body through an electrohydraulic gate valve; the furnace also comprises a furnace top high-temperature fire extinguishing device; the furnace top high-temperature fire extinguishing device is connected to the furnace top bin; the gas collection bent pipe is connected with a temperature measuring mechanism. According to the utility model, the furnace top high-temperature fire extinguishing device is connected to the furnace top bin of the original carbonization furnace top, and the temperature measuring mechanism is connected to the gas collection bent pipe, so that the problem that the fire cannot be extinguished in time after the furnace top of the existing carbonization furnace fires is effectively solved. The thermal resistor is arranged on the gas collection bent pipe, so that the temperature of the furnace can be accurately measured, whether the furnace top catches fire or not can be judged in sequence, and a temperature basis is provided for the next operation. The DCS control system is arranged, so that the automatic starting of an air source to extinguish the fire on the furnace roof is realized.
Description
Technical Field
The utility model belongs to the technical field of carbonization furnace equipment, and particularly relates to a carbonization furnace with a furnace top high-temperature fire extinguishing device.
Background
The scattered burning of coal is one of the main reasons for causing the atmospheric pollution, and compared with a coal-fired power plant, the scattered burning of coal has poorer consumption end coal quality and great pollutant control difficulty. The coal classification refining technology is used, so that volatile matters in the coal can be extracted to be used as high-added-value products such as tar and coal gas; simultaneously, sulfur and volatile components in the coal are partially removed, and clean coal (semicoke) is obtained. The clean coal (semicoke) obtained by the method can obviously reduce pollutant emission during combustion, so that the clean coal is orderly supplied to the periphery of a large city to replace the original inferior bulk-combustion coal, and the clean coal (semicoke) is an effective path for solving the bulk-combustion pollution of coal in China.
Today, people can produce clean coal by using a continuous carbonization furnace, and in the prior art, due to improper operation of the furnace, equipment failure, coking of raw materials in the furnace, increased amounts of return gas and air, etc., a combustion layer of the carbonization furnace moves upwards, so that the top of the furnace catches fire, injures staff patrolling the furnace, and even explodes or causes fire and other dangerous situations.
Disclosure of Invention
The utility model provides a carbonization furnace with a furnace top high-temperature fire extinguishing device, and aims to provide a device capable of extinguishing fire on the furnace top of a carbonization furnace when the furnace top of the continuous carbonization furnace is at high temperature in a fault state.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a carbonization furnace with a furnace top high-temperature fire extinguishing device, at least comprising a carbonization furnace body and an electrohydraulic gate valve; the top of the carbonization furnace body is provided with a furnace top bin and a gas collecting bent pipe; the furnace top bin is connected with the top of the carbonization furnace body through an electrohydraulic gate valve; the furnace also comprises a furnace top high-temperature fire extinguishing device; the furnace top high-temperature fire extinguishing device is connected to a furnace top bin; the gas collection bent pipe is connected with a temperature measuring mechanism.
The furnace top high-temperature fire extinguishing device comprises a steam pipeline system and a nitrogen pipeline system; the steam pipeline system and the nitrogen pipeline system are respectively connected with the furnace top bin.
The steam pipeline system comprises a steam external net, a steam conveying pipeline, a second pressure transmitter and a second electric ball valve; the steam outer net is connected with a furnace top bin through a steam conveying pipeline; the second pressure transmitter and the second electric ball valve are connected to the steam delivery pipeline.
The nitrogen pipeline system comprises a nitrogen external network, a nitrogen conveying pipeline, a first pressure transmitter and a first electric ball valve; the nitrogen external net is connected with the furnace top bin through a nitrogen conveying pipeline; the first pressure transmitter and the first electric ball valve are connected to a nitrogen gas conveying pipeline.
The temperature measuring mechanism adopts a thermal resistor.
The system also comprises a DCS control system; the DCS control system is respectively connected with the furnace top high-temperature fire extinguishing device, the temperature measuring mechanism and the electrohydraulic gate valve in an electric signal mode.
The DCS control system at least comprises a power supply, a controller, an analog quantity module and a switching value module; the power supply is respectively and electrically connected with the controller, the analog quantity module and the switching value module; the analog quantity module is respectively connected with a positive wiring terminal and a negative wiring terminal of the temperature measuring mechanism and a positive wiring terminal and a negative wiring terminal of a pressure signal in the furnace top high-temperature fire extinguishing device; the controller is connected with the control switching value module through an electric signal, and the controller performs opening and closing operation on the first electric ball valve and the second electric ball valve which are arranged in the electro-hydraulic gate valve and the furnace top high-temperature fire extinguishing device through the control switching value module.
The beneficial effects are that:
(1) According to the utility model, the furnace top high-temperature fire extinguishing device is connected to the furnace top bin of the original carbonization furnace top, and the temperature measuring mechanism is connected to the gas collection bent pipe, so that the problem that the fire cannot be extinguished in time after the furnace top of the existing carbonization furnace fires is effectively solved.
(2) The thermal resistor serving as a temperature measuring mechanism is arranged on the gas collecting bent pipe at the top of the carbonization furnace, so that the temperature of the furnace can be accurately measured, whether the furnace top catches fire or not can be judged, and a temperature basis is provided for the next operation.
(3) The utility model installs steam pipeline and nitrogen pipeline at the top of the carbonization furnace, which not only provides hardware support for extinguishment at any time, but also provides double insurance for extinguishment.
(4) The DCS control system is arranged, so that the automatic starting of an air source to extinguish the fire at the furnace top is realized.
The foregoing description is only an overview of the technical solution of the present utility model, and in order to make the technical means of the present utility model more clearly understood, it can be implemented according to the content of the specification, and the following detailed description of the preferred embodiments of the present utility model will be given with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic of the workflow of the present utility model.
In the figure: 1. a nitrogen gas delivery line; 2. a first pressure transmitter; 3. a first electrically operated ball valve; 4. a steam delivery line; 5. a second pressure transmitter; 6. a second electric ball valve; 7. a gas collection bent pipe; 8. electrohydraulic gate valve; 9. thermal resistance; 10. a furnace top bin; 11. a carbonization furnace body; 12. a nitrogen outer screen; 13. a steam outer net.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
according to the carbonization furnace with the furnace top high-temperature fire extinguishing device shown in fig. 1, at least the carbonization furnace body 11 and the electrohydraulic gate valve 8 are included; the top of the carbonization furnace body 11 is provided with a furnace top bin 10 and a gas collecting bent pipe 7; the furnace top bin 10 is connected with the top of the carbonization furnace body 11 through an electrohydraulic gate valve 8; the furnace also comprises a furnace top high-temperature fire extinguishing device; the furnace top high-temperature fire extinguishing device is connected to a furnace top bin 10; the gas collection bent pipe 7 is connected with a temperature measuring mechanism.
When in actual use, after the temperature measuring mechanism connected to the gas collection bent pipe 7 gives out high-temperature alarm, the electro-hydraulic gate valve 8 is closed, and the furnace top high-temperature fire extinguishing device is started to extinguish fire.
The temperature measuring mechanism arranged on the gas collection bent pipe 7 can accurately measure the temperature of the furnace, so as to judge whether the furnace top catches fire or not, and provide a temperature basis for whether to start the furnace top high-temperature fire extinguishing device to extinguish fire.
When the carbonization furnace is in specific application, the lower part of the carbonization furnace body 11 is respectively connected with a pump room, a blast condensing section, a blast cooling section for short, and an air blower and an ammonia water process external net. Wherein, circulating water from the pump house cools the interlayer of the furnace body; purified gas from the blast condensation section is used for combustion supporting in the furnace, so that the combustion in the carbonization furnace is more sufficient; the air blower provides air for the carbonization furnace and provides sufficient oxygen for combustion in the carbonization furnace; ammonia water generated in the carbonization furnace enters an ammonia water process external net to be subjected to layered refining to obtain a tar and ammonia water mixture; the circulating water from the carbonization furnace enters an external water tank for cooling, and then is recycled for the cooling interlayer of the carbonization furnace; semicoke is a main product of the carbonization furnace, and is sent to a coke screening working section after being discharged. Part of the air is sent to the carbonization furnace, and the other part is sent to the next furnace (one fan can simultaneously supply oxygen for the carbonization furnaces). Part of the ammonia water enters the furnace to quench coke, and part of the residual ammonia (the dosage of the quench water is proper and not too much) water enters the external screen of the process. The coke quenching water has the functions of extinguishing fire and reducing temperature for the coke discharged from the furnace.
Embodiment two:
a carbonization furnace with a furnace top high-temperature fire extinguishing apparatus according to fig. 1 is different from the embodiment in that: the furnace top high-temperature fire extinguishing device comprises a steam pipeline system and a nitrogen pipeline system; the steam pipeline system and the nitrogen pipeline system are respectively connected with the furnace top bin 10.
When in actual use, after the temperature measuring mechanism connected to the gas collection bent pipe 7 gives out a high-temperature alarm, the electro-hydraulic gate valve 8 is closed, the steam pipeline system is started to extinguish fire, and if the steam pipeline system fails to be started, the nitrogen pipeline system is started to extinguish fire.
In the embodiment, two fire extinguishing ways of a steam pipeline system and a nitrogen pipeline system are adopted, so that after one system is started to fail, the fire extinguishing operation can still be completed, and therefore, the occurrence of fire disaster and other dangerous accidents caused by the fact that workers and explosion patrolling the furnace are injured due to the fire on the top of the furnace is avoided.
Embodiment III:
a carbonization furnace with a furnace top high-temperature fire extinguishing apparatus according to fig. 1 is different from the second embodiment in that: the steam pipeline system comprises a steam outer net 13, a steam conveying pipeline 4, a second pressure transmitter 5 and a second electric ball valve 6; the steam outer net 13 is connected with the furnace top bin 10 through a steam conveying pipeline 4; a second pressure transmitter 5 and a second electrically operated ball valve 6 are connected to the steam delivery line 4.
When in actual use, when the temperature measuring mechanism connected to the gas collection bent pipe 7 gives a high-temperature alarm and a steam pipeline system needs to be started to extinguish a fire, the second electric ball valve 6 is opened, steam enters the furnace top bin 10 from the steam external net 13 through the steam conveying pipeline 4, the second pressure transmitter 5 and the second electric ball valve 6, and steam fire extinguishment is implemented.
The function of the second pressure transmitter 5 in this embodiment is to detect the steam pressure in the steam delivery line 4, ensuring that the steam pressure in the steam delivery line 4 remains within the safe delivery pressure range at all times.
Embodiment four:
a carbonization furnace with a furnace top high-temperature fire extinguishing apparatus according to fig. 1 is different from the second embodiment in that: the nitrogen pipeline system comprises a nitrogen external network 12, a nitrogen conveying pipeline 1, a first pressure transmitter 2 and a first electric ball valve 3; the nitrogen external net 12 is connected with the furnace top bin 10 through a nitrogen conveying pipeline 1; a first pressure transmitter 2 and a first electrically operated ball valve 3 are connected to the nitrogen delivery line 1.
When in actual use, when a temperature measuring mechanism connected to the gas collection bent pipe 7 gives a high-temperature alarm and a steam pipeline system is started to extinguish fire, the first electric ball valve 3 is started, nitrogen enters the furnace top bin 10 from the nitrogen external network 12 through the nitrogen conveying pipeline 1, the first pressure transmitter 2 and the first electric ball valve 3, and steam fire extinguishment is implemented.
The first pressure transmitter 2 in this embodiment is used for detecting the nitrogen pressure in the nitrogen gas transmission pipeline 1, so as to ensure that the nitrogen pressure in the nitrogen gas transmission pipeline 1 is always kept within the pressure range of safe transmission.
Fifth embodiment:
a carbonization furnace with a furnace top high-temperature fire extinguishing apparatus according to fig. 1 is different from the second embodiment in that: the temperature measuring mechanism adopts a thermal resistor 9.
When in actual use, the temperature measuring mechanism adopts the thermal resistor 9, the realization is simple and convenient, the measuring precision is higher, the performance is more stable, and the sensitivity is high because the temperature measuring mechanism can remotely transmit electric signals, thereby laying a hardware foundation for realizing automatic control.
Example six:
a carbonization furnace with a furnace top high-temperature fire extinguishing apparatus according to fig. 1 is different from the embodiment in that: the system also comprises a DCS control system; the DCS control system is respectively connected with the furnace top high-temperature fire extinguishing device, the temperature measuring mechanism and the electrohydraulic gate valve 8 in an electric signal way.
When in actual use, the DCS control system is arranged, so that the utility model realizes the automatic starting of the air source to extinguish the fire on the furnace top, the fire extinguishment reflecting speed is faster, the operation is more timely, and meanwhile, the possible injury to operators caused by the operation of the fire extinguishing device can be avoided.
Embodiment seven:
a carbonization furnace with a furnace top high-temperature fire extinguishing apparatus according to fig. 1 is different from the sixth embodiment in that: the DCS control system at least comprises a power supply, a controller, an analog quantity module and a switching value module; the power supply is respectively and electrically connected with the controller, the analog quantity module and the switching value module; the analog quantity module is respectively connected with a positive wiring terminal and a negative wiring terminal of the temperature measuring mechanism and a positive wiring terminal and a negative wiring terminal of a pressure signal in the furnace top high-temperature fire extinguishing device; the controller is connected with the electric signal of the control switching value module, and the controller performs opening and closing operation on the electrohydraulic gate valve 8 and the first electric ball valve 3 and the second electric ball valve 6 arranged in the furnace top high-temperature fire extinguishing device through the control switching value module.
When in actual use, the DCS control system receives temperature information sent by the temperature measuring mechanism through the analog quantity module and transmits the temperature information to the controller, and the controller judges whether fire happens or not according to the temperature information; when the controller judges that fire happens, the controller sends a closing signal to the electro-hydraulic gate valve 8 through the switching value module, and simultaneously sends an opening signal to the second electric ball valve 6 in the steam pipeline system, and steam is sprayed into the furnace top bin 10 from the steam external network 13 through the steam conveying pipeline 4, the second pressure transmitter 5 and the second electric ball valve 6 to extinguish fire. The DCS control system receives a second electric ball valve 6 opening state signal; if the second electric ball valve 6 fails to be opened, the DCS control system sends an opening signal to the first electric ball valve 3, so that nitrogen enters the furnace top bin 10 from the nitrogen external network 12 through the nitrogen conveying pipeline 1, the first pressure transmitter 2 and the first electric ball valve 3 for fire extinguishment.
The DCS control system is arranged to enable the fire-extinguishing device to automatically start the air source to extinguish fire on the furnace top.
Example eight:
a carbonization furnace with a furnace top high-temperature fire extinguishing apparatus according to fig. 1 is different from the embodiment in that: the furnace top high-temperature fire extinguishing device comprises a steam pipeline system and a nitrogen pipeline system; the steam pipeline system and the nitrogen pipeline system are respectively connected with the furnace top bin 10; the steam pipeline system comprises a steam outer net 13, a steam conveying pipeline 4, a second pressure transmitter 5 and a second electric ball valve 6; the steam outer net 13 is connected with the furnace top bin 10 through a steam conveying pipeline 4; the second pressure transmitter 5 and the second electric ball valve 6 are connected to the steam conveying pipeline 4; the nitrogen pipeline system comprises a nitrogen external network 12, a nitrogen conveying pipeline 1, a first pressure transmitter 2 and a first electric ball valve 3; the nitrogen external net 12 is connected with the furnace top bin 10 through a nitrogen conveying pipeline 1; the first pressure transmitter 2 and the first electric ball valve 3 are connected to the nitrogen conveying pipeline 1; the temperature measuring mechanism adopts a thermal resistor 9; the system also comprises a DCS control system; the DCS control system is respectively connected with a second electric ball valve 6, a first electric ball valve 3, a thermal resistor 9, a second pressure transmitter 5, a first pressure transmitter 2 and an electrohydraulic gate valve 8 in the furnace top high-temperature fire extinguishing device in an electric signal manner; the DCS control system at least comprises a power supply, a controller, an analog quantity module and a switching value module; the power supply is respectively and electrically connected with the controller, the analog quantity module and the switching value module; the analog quantity module is respectively connected with a positive wiring terminal and a negative wiring terminal of the temperature measuring mechanism and a positive wiring terminal and a negative wiring terminal of a pressure signal in the furnace top high-temperature fire extinguishing device; the controller is connected with the control switching value module through an electric signal, and the controller is used for carrying out opening and closing operation on a first electric ball valve 3 and a second electric ball valve 6 which are arranged in the furnace top high-temperature fire extinguishing device through the control switching value module.
When in actual use, the DCS control system receives temperature information sent by the thermal resistor 9 through the signal receiving module and transmits the temperature information to the calculating module, and the calculating module judges whether fire happens or not according to the temperature information; when the calculation module judges that fire happens, a signal sending module sends a closing signal to the electro-hydraulic gate valve 8, and simultaneously sends an opening signal to the second electric ball valve 6 in the steam pipeline system, and steam is sprayed into the furnace top bin 10 from the steam external network 13 through the steam conveying pipeline 4, the second pressure transmitter 5 and the second electric ball valve 6 to extinguish fire. The DCS control system receives a second electric ball valve 6 opening state signal; if the second electric ball valve 6 fails to be opened, the DCS control system sends an opening signal to the first electric ball valve 3, so that nitrogen enters the furnace top bin 10 from the nitrogen external network 12 through the nitrogen conveying pipeline 1, the first pressure transmitter 2 and the first electric ball valve 3 for fire extinguishment.
The DCS control system also receives pressure information of the first pressure transmitter 2 and the second pressure transmitter 5 in the furnace top high-temperature fire extinguishing device, and when the pressure of the first pressure transmitter 2 or the second pressure transmitter 5 does not accord with a preset pressure value, the DCS control system can start the nitrogen gas conveying pipeline 1 or the steam conveying pipeline 4 which accord with the pressure condition to extinguish the fire.
According to the utility model, the furnace top high-temperature fire extinguishing device is connected to the furnace top bin of the original carbonization furnace top, and the temperature measuring mechanism is connected to the gas collection bent pipe 7, so that the problem that the fire cannot be extinguished in time after the furnace top of the existing carbonization furnace fires is effectively solved.
The thermal resistor serving as a temperature measuring mechanism is arranged on the gas collecting bent pipe 7 at the top of the carbonization furnace, so that the temperature of the furnace can be accurately measured, whether the furnace top catches fire or not can be judged, and a temperature basis is provided for the next operation.
The utility model installs steam pipeline and nitrogen pipeline at the top of the carbonization furnace, which not only provides hardware support for extinguishment at any time, but also provides double insurance for extinguishment.
The utility model realizes the automatic starting of the air source to extinguish the fire on the furnace roof by adopting the DCS control system.
DCS is an english abbreviation of Distributed Control System.
The DCS control system in this embodiment adopts the prior art, in which the commercial model of the controller is LE51195, which provides power for the 40-point CPU module and AC220V, and provides power for the 40-point I/O, DI 24 xdc 24V, DO 16 x relay output, RS485, and ethernet. The switching value modules in the DCS control system are of the model numbers LE5211 and LE5223, wherein LE5211 is a 16-channel digital value input module, and DI 16 XDC 24V is input; LE5223 is a 16-channel digital quantity output module, DI 16 Xrelay output. The model of an analog quantity module in the DCS control system is LE5311, which is 8-channel analog quantity input, and the analog quantity is 4-20 mA/O-10V.
Under the condition of no conflict, the technical features related to the examples can be combined with each other according to actual situations by a person skilled in the art so as to achieve corresponding technical effects, and specific details of the combination situations are not described in detail herein.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
While the utility model is susceptible of embodiments in accordance with the preferred embodiments, the utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (4)
1. A carbonization furnace with a furnace top high-temperature fire extinguishing device at least comprises a carbonization furnace body (11) and an electrohydraulic gate valve (8); the top of the carbonization furnace body (11) is provided with a furnace top bin (10) and a gas collecting bent pipe (7); the furnace top bin (10) is connected with the top of the carbonization furnace body (11) through an electrohydraulic gate valve (8); the method is characterized in that: the furnace also comprises a furnace top high-temperature fire extinguishing device; the furnace top high-temperature fire extinguishing device is connected to a furnace top bin (10); a temperature measuring mechanism is connected to the gas collection bent pipe (7);
the furnace top high-temperature fire extinguishing device comprises a steam pipeline system and a nitrogen pipeline system; the steam pipeline system and the nitrogen pipeline system are respectively connected with a furnace top bin (10);
the steam pipeline system comprises a steam external net (13), a steam conveying pipeline (4), a second pressure transmitter (5) and a second electric ball valve (6); the steam outer net (13) is connected with a furnace top bin (10) through a steam conveying pipeline (4); the second pressure transmitter (5) and the second electric ball valve (6) are connected to the steam conveying pipeline (4);
the nitrogen pipeline system comprises a nitrogen external network (12), a nitrogen conveying pipeline (1), a first pressure transmitter (2) and a first electric ball valve (3); the nitrogen external net (12) is connected with the furnace top bin (10) through a nitrogen conveying pipeline (1); the first pressure transmitter (2) and the first electric ball valve (3) are connected to the nitrogen conveying pipeline (1).
2. A carbonization furnace with a furnace roof high temperature fire extinguishing device according to claim 1, characterized in that: the temperature measuring mechanism adopts a thermal resistor (9).
3. A carbonization furnace with a furnace roof high temperature fire extinguishing device according to claim 1, characterized in that: the system also comprises a DCS control system; the DCS control system is respectively connected with the furnace top high-temperature fire extinguishing device, the temperature measuring mechanism and the electrohydraulic gate valve (8) in an electric signal mode.
4. A carbonization furnace with a furnace roof high temperature fire extinguishing device according to claim 3, characterized in that: the DCS control system at least comprises a power supply, a controller, an analog quantity module and a switching value module; the power supply is respectively and electrically connected with the controller, the analog quantity module and the switching value module; the analog quantity module is respectively connected with a positive wiring terminal and a negative wiring terminal of the temperature measuring mechanism and a positive wiring terminal and a negative wiring terminal of a pressure signal in the furnace top high-temperature fire extinguishing device; the controller is connected with the control switching value module through an electric signal, and the controller performs opening and closing operation on the electrohydraulic gate valve (8) and the first electric ball valve (3) and the second electric ball valve (6) arranged in the furnace top high-temperature fire extinguishing device through the control switching value module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320934962.9U CN219972197U (en) | 2023-04-23 | 2023-04-23 | Carbonization furnace with furnace top high-temperature fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320934962.9U CN219972197U (en) | 2023-04-23 | 2023-04-23 | Carbonization furnace with furnace top high-temperature fire extinguishing device |
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| Publication Number | Publication Date |
|---|---|
| CN219972197U true CN219972197U (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320934962.9U Active CN219972197U (en) | 2023-04-23 | 2023-04-23 | Carbonization furnace with furnace top high-temperature fire extinguishing device |
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| CN (1) | CN219972197U (en) |
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- 2023-04-23 CN CN202320934962.9U patent/CN219972197U/en active Active
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