CN221122537U - Novel intelligent submerged combustion gasifier - Google Patents
Novel intelligent submerged combustion gasifier Download PDFInfo
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- CN221122537U CN221122537U CN202322871815.4U CN202322871815U CN221122537U CN 221122537 U CN221122537 U CN 221122537U CN 202322871815 U CN202322871815 U CN 202322871815U CN 221122537 U CN221122537 U CN 221122537U
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- water bath
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- intelligent
- heat exchange
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003546 flue gas Substances 0.000 claims abstract description 19
- 239000002737 fuel gas Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000779 smoke Substances 0.000 claims description 7
- 238000010926 purge Methods 0.000 description 6
- 238000002309 gasification Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Abstract
The utility model belongs to the technical field of combustion type gasifiers, and particularly relates to a novel intelligent submerged combustion type gasifier. The technical proposal is as follows: the novel intelligent submerged combustion gasifier comprises a water bath, wherein a low-NO X submerged burner is arranged on the water bath, the low-NO X submerged burner is connected with a high-pressure variable-frequency fan, the low-NO X submerged burner is connected with a hearth, the hearth extends into the water bath, the other end of the hearth is connected with a high-efficiency flue gas distributor, a heat exchange tube bundle is connected in the water bath, and a chimney is arranged at the top of the water bath; the intelligent combustion control system further comprises an intelligent combustion control module, and the low-NO X immersed combustor and the high-voltage variable-frequency fan are electrically connected with the intelligent combustion control module. The utility model provides a novel intelligent submerged combustion gasifier capable of quickly adjusting load.
Description
Technical Field
The utility model belongs to the technical field of combustion type gasifiers, and particularly relates to a novel intelligent submerged combustion type gasifier.
Background
Because the SCV submerged combustion gasifier is not influenced by the temperature of the sea water and the atmosphere, the rapid ignition start can be realized, and the submerged combustion gasifier is particularly suitable for emergency peak shaving and winter protection of LNG receiving stations or peak shaving stations. At present, the submerged combustion type liquefied natural gas gasification device in China is almost a foreign product, the semi-automatic combustion control of the gasifier is adopted, the ignition success rate is low, the workload of on-site installation and debugging of each part is large, manual operation linkage is carried out after the combustion control returns data through an on-site instrument, the combustor can not realize the rapid adjustment along with the working condition requirement in the load range of 10% -100%, and the equipment is difficult to stably operate; when a fault occurs, the vehicle cannot be stopped in time in early warning.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model aims to provide a novel intelligent submerged combustion gasifier capable of quickly adjusting load.
The technical scheme adopted by the utility model is as follows:
The novel intelligent submerged combustion gasifier comprises a water bath, wherein a low-NO X submerged burner is arranged on the water bath, the low-NO X submerged burner is connected with a high-pressure variable-frequency fan, the low-NO X submerged burner is connected with a hearth, the hearth extends into the water bath, the other end of the hearth is connected with a high-efficiency flue gas distributor, a heat exchange tube bundle is connected in the water bath, and a chimney is arranged at the top of the water bath; the intelligent combustion control system further comprises an intelligent combustion control module, and the low-NO X immersed combustor and the high-voltage variable-frequency fan are electrically connected with the intelligent combustion control module.
The intelligent combustion control module is arranged, and can automatically adjust the air flow of the fuel gas of the low NO X immersed burner and the high-pressure variable-frequency fan according to the set medium liquid level and temperature of the water bath, so as to rapidly heat the medium in the water bath, and achieve the purposes of automatic liquid inlet and air outlet under specified gasification conditions.
As a preferable scheme of the utility model, the high-efficiency smoke distributor is horizontally arranged, and a plurality of smoke holes are arranged on the high-efficiency smoke distributor.
As a preferable scheme of the utility model, the high-efficiency flue gas distributor is positioned below the heat exchange tube bundle, and is opposite to the heat exchange tube bundle. The flue gas holes on the high-efficiency flue gas distributor are uniformly distributed, which is helpful for uniformly heating the medium liquid.
As a preferable scheme of the utility model, the heat exchange tube bundle bends back and forth in the water bath, and the inlet end and the outlet end of the heat exchange tube bundle extend out of the water bath.
As a preferable scheme of the utility model, the inlet end of the heat exchange tube bundle is connected with a feed valve.
As a preferred embodiment of the utility model, the heat exchange tube bundle is immersed under the liquid surface of the water bath.
As a preferable scheme of the utility model, the top of the water bath tank is closed, and the chimney is communicated with the water bath tank.
As the preferable scheme of the utility model, the high-voltage variable-frequency fan and the intelligent combustion control module are both arranged at the top of the water bath.
As a preferable scheme of the utility model, the low NO X submerged burner is connected with a fuel gas pipe, and the fuel gas pipe is provided with a fuel gas valve.
As a preferable scheme of the utility model, the low NO X submerged burner is provided with a lighting gun.
The beneficial effects of the utility model are as follows:
The intelligent combustion control module is arranged, and can automatically adjust the air flow of the fuel gas of the low NO X immersed burner and the high-pressure variable-frequency fan according to the set medium liquid level and temperature of the water bath, so as to rapidly heat the medium in the water bath, and achieve the purposes of automatic liquid inlet and air outlet under specified gasification conditions.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1-an intelligent combustion control module; 2-a high-voltage variable-frequency fan; 3-low NO X submerged burner; 4-a water bath; 5-hearth; 6-a high-efficiency smoke distributor; 7-a heat exchange tube bundle; 8-chimney.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
As shown in fig. 1, the novel intelligent submerged combustion gasifier of the embodiment comprises a water bath tank 4, wherein a low-NO X submerged combustor 3 is arranged on the water bath tank 4, the low-NO X submerged combustor 3 is connected with a high-pressure variable-frequency fan 2, the low-NO X submerged combustor 3 is connected with a hearth 5, the hearth 5 stretches into the water bath tank 4, the other end of the hearth 5 is connected with a high-efficiency flue gas distributor 6, a heat exchange tube bundle 7 is connected in the water bath tank 4, and a chimney 8 is arranged at the top of the water bath tank 4; the intelligent combustion control system further comprises an intelligent combustion control module 1, and the low-NO X immersed combustor 3 and the high-pressure variable-frequency fan 2 are electrically connected with the intelligent combustion control module 1.
The high-efficiency flue gas distributor 6 is horizontally arranged, and a plurality of flue gas holes are formed in the high-efficiency flue gas distributor 6. The high-efficiency flue gas distributor 6 is positioned below the heat exchange tube bundle 7, and the high-efficiency flue gas distributor 6 is opposite to the heat exchange tube bundle 7. The flue gas holes on the high-efficiency flue gas distributor 6 are uniformly distributed, which is helpful for uniformly heating the medium liquid.
The heat exchange tube bundle 7 bends back and forth in the water bath 4, and the inlet end and the outlet end of the heat exchange tube bundle 7 extend out of the water bath 4. The inlet end of the heat exchange tube bundle 7 is connected with a feeding valve. The heat exchange tube bundle 7 is immersed below the liquid level of the water bath 4.
The top of the water bath 4 is closed, and a chimney 8 is communicated with the water bath 4. The high-voltage variable-frequency fan 2 and the intelligent combustion control module 1 are both arranged at the top of the water bath 4.
The low NO X immersed burner 3 is connected with a fuel gas pipe, and the fuel gas pipe is provided with a fuel gas valve. The low NO X immersed burner 3 is provided with a burning gun.
The specific implementation steps are as follows:
Step 1: the immersed combustion gasifier can be prefabricated for all equipment in a factory, and is designed integrally according to the treatment capacity of the device. All the equipment can be assembled and debugged in a factory, when the size of the device exceeds the transportation limit, the equipment can be preassembled in site in a mode of prying seats, bolts and the like, so that the site installation work is greatly simplified, and the site debugging work is omitted.
Step 2: after the device receives a start command, the intelligent combustion control module 1 sends out a command, the high-voltage variable-frequency fan 2 is started to start purging, the purging time is set according to the volume of the hearth 5, purging is completed, the air quantity required by matching ignition of the fan is automatically adjusted, the low NO X submerges the ignition gun with the combustor 3 to start ignition and introduce fuel gas, after successful ignition, the fuel gas and the air quantity are automatically adjusted according to the set medium liquid level and temperature of the water bath 4, the medium in the water bath 4 is rapidly heated, and the condition that the liquefied gas can be fed is achieved.
Step 3: after the intelligent combustion control module 1 analyzes the data of the batch charging operation, the relevant valves of the heat exchange tube bundle 7 are automatically opened, and the liquefied gas feeding starts to normally operate. In the running process, the following equipment running data are monitored:
flow, pressure, temperature, etc. of the high-pressure variable-frequency fan 2;
Low NO X submerges the fuel gas flow, temperature, flame conditions, etc. of the burner 3;
medium level, temperature, pH, etc. in the water bath 4;
Pressure, temperature, etc. of the furnace 5;
The pressure, temperature, etc. of the high-efficiency flue gas distributor 6;
The flow, pressure, temperature and the like of the inlet and outlet materials of the heat exchange tube bundle 7;
temperature of the chimney 8, outlet environmental protection index, etc.
Step 4: when the intelligent combustion control module 1 collects and analyzes the operation data affecting the safety of the device, an emergency interlocking instruction is automatically sent out, after each device receives the instruction, an interlocking action is made, the operation safety of the device is ensured, and the interlocking instruction at least makes the following actions:
The high-voltage variable-frequency fan 2 is switched to purge the required air quantity;
The fuel gas inlet valve of the low NO X immersed burner 3 is closed;
the feed valve of the heat exchange tube bundle 7 is closed;
Step 5: the intelligent combustion control module 1 automatically sends out instructions to adjust related operation indexes when operation data which does not accord with normal operation but does not cause safety of the device appear in the operation period of the device, so that the normal operation of the device is ensured.
Step 6: when the intelligent combustion control module 1 collects the flow and the temperature of the inlet and outlet materials of the heat exchange tube bundle 7, the intelligent combustion control module sends out instructions to the high-pressure variable frequency fan 2 and the low-NO X immersed combustor 3 after automatically converting the liquid level and the temperature of the medium in the current water bath 4, regulates the flow of air and fuel gas to meet the current working condition, and reduces the consumption of the gasification conversion process.
Step 7: the chimney 8 integrates a smoke monitoring system, monitors smoke environmental protection indexes in real time, and ensures environmental protection emission.
The utility model develops an integrated SCV submerged combustion type gasifier device with a PLC intelligent linkage control combustion and operation. The device can realize factory prefabrication and integral goods supply; the PLC intelligent linkage combustion and operation control system can finish one-key driving and operation according to user instructions. After the instruction is sent, the fan is automatically opened to complete purging, the fan automatically stretches into an ignition gun to ignite, the fuel gas and air ratio is automatically adjusted according to the liquid level and the temperature of the water bath 4 to rapidly heat, and the automatic liquid inlet and the automatic air outlet of the specified gasification conditions are achieved; in the running process of the system, the fuel gas and air ratio can be automatically adjusted through medium temperature and flow feedback, the adjustable proportion is large, and the fuel gas consumption is low; the states of temperature, pressure, flow, flame and the like of the automatic monitoring system are intelligently judged according to the monitoring data, intelligent interlocking beyond the requirement is achieved, and the overall safety of the device is ensured.
Compared with the prior art, the utility model has the following positive effects:
1) The technology greatly saves the on-site installation and debugging workload. Through the integrated design, the on-site installation and debugging workload is reduced, and the intelligent electric power machine has the characteristics of high intelligent degree, low consumption, safety, reliability, compact structure, convenience in installation, convenience in operation and the like.
2) The technology improves the success rate of the ignition of the burner and ensures 100% of one-time ignition success.
3) This technique improves the level of automation operation of the overall device. The intelligent combustion control system has the advantages that the intelligent degree is high, the intelligent combustion control system has a one-key operation function, the intelligent combustion control system is used for realizing the monitoring and coverage of an intelligent system to all equipment in the device, the full-automatic operation is realized for ignition, operation, data collection and interlocking parking, and the functions of automatic purging, automatic ignition, intelligent data collection, feedforward control, intelligent interlocking parking and the like are provided.
4) The technology ensures the stable and safe operation of the whole device.
The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.
Claims (10)
1. Novel intelligent submerged combustion gasifier, its characterized in that: the water bath device comprises a water bath (4), wherein a low-NO X immersed burner (3) is arranged on the water bath (4), the low-NO X immersed burner (3) is connected with a high-pressure variable-frequency fan (2), the low-NO X immersed burner (3) is connected with a hearth (5), the hearth (5) stretches into the water bath (4), the other end of the hearth (5) is connected with a high-efficiency smoke distributor (6), a heat exchange tube bundle (7) is connected in the water bath (4), and a chimney (8) is arranged at the top of the water bath (4); the intelligent combustion control system further comprises an intelligent combustion control module (1), wherein the low-NO X immersed burner (3) and the high-voltage variable-frequency fan (2) are electrically connected with the intelligent combustion control module (1).
2. The novel intelligent submerged combustion gasifier of claim 1, wherein: the high-efficiency flue gas distributor (6) is horizontally arranged, and a plurality of flue gas holes are formed in the high-efficiency flue gas distributor (6).
3. The novel intelligent submerged combustion gasifier of claim 2, wherein: the high-efficiency flue gas distributor (6) is positioned below the heat exchange tube bundle (7), and the high-efficiency flue gas distributor (6) is opposite to the heat exchange tube bundle (7).
4. The novel intelligent submerged combustion gasifier of claim 1, wherein: the heat exchange tube bundle (7) is bent back and forth in the water bath (4), and the inlet end and the outlet end of the heat exchange tube bundle (7) extend out of the water bath (4).
5. The novel intelligent submerged combustion gasifier of claim 4, wherein: and the inlet end of the heat exchange tube bundle (7) is connected with a feeding valve.
6. The novel intelligent submerged combustion gasifier of claim 1, wherein: the heat exchange tube bundle (7) is immersed below the liquid level of the water bath (4).
7. The novel intelligent submerged combustion gasifier of claim 1, wherein: the top of the water bath (4) is closed, and the chimney (8) is communicated with the water bath (4).
8. The novel intelligent submerged combustion gasifier of claim 7, wherein: the high-voltage variable-frequency fan (2) and the intelligent combustion control module (1) are both arranged at the top of the water bath tank (4).
9. The novel intelligent submerged combustion gasifier of claim 1, wherein: the low NO X immersed burner (3) is connected with a fuel gas pipe, and the fuel gas pipe is provided with a fuel gas valve.
10. The novel intelligent submerged combustion gasifier of claim 1, wherein: the low NO X immersed burner (3) is provided with a burning gun.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221122537U true CN221122537U (en) | 2024-06-11 |
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| GR01 | Patent grant |