CN210718702U - Pressure control system of encryption device for high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption coal source power generation - Google Patents
Pressure control system of encryption device for high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption coal source power generation Download PDFInfo
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- CN210718702U CN210718702U CN201921184010.XU CN201921184010U CN210718702U CN 210718702 U CN210718702 U CN 210718702U CN 201921184010 U CN201921184010 U CN 201921184010U CN 210718702 U CN210718702 U CN 210718702U
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Abstract
The utility model discloses a pressure control system of an encryption device for a high-carbon chromite thermoelectric furnace for energy-saving and low-power consumption coal source power generation, which mainly comprises an automatic control system, an air compressor and an encryption bin; the air compressor is connected with the encryption bin through a conveying pipeline, a gas flow monitor is arranged on the conveying pipeline, a bin top dust remover and a pressure sensor for monitoring the pressure in the encryption bin are arranged at the top of the encryption bin, and a dust removal fan is further arranged at an air outlet of the bin top dust remover; air compressor, gas flow monitor, pressure sensor and dust exhausting fan all are connected with automatic control system, and this system structural design science, with low costs, can the automatic control encrypt the storehouse internal pressure.
Description
Technical Field
The utility model relates to an energy-conserving low power consumption coal source electricity generation especially relates to a pressure control system of encryption device with annex field for high carbon chromite thermoelectric furnace.
Background
Most ferroalloy manufacturers in China in recent years begin to build, expand and modify large-scale submerged arc furnaces, particularly ferrosilicon, high-purity silicon and industrial silicon electric furnaces, and micro silicon powder is also called as silicon ash or condensed silicon ash, and is called as Microsilica or silicon fuse in English. When ferroalloy is used for smelting ferrosilicon and industrial silicon (metallic silicon), a large amount of SiO with strong volatility is generated in an ore-smelting electric furnace2And Si gas, which is quickly oxidized, condensed and precipitated with air after being discharged. The micro silicon powder is a byproduct in large-scale industrial smelting, and the whole process needs to be recovered by dust removal and environmental protection equipment, and the micro silicon powder is light in weight and needs to be encrypted by encryption equipment.
Conveying the micro silicon powder dust collected on a cloth bag or other dust removing equipment to an encryption bin, and fluidizing the micro silicon powder dust in the encryption bin by gas at the bottom of the encryption bin to ensure that the specific gravity is from 0.2t/m3The density is increased to 0.6 to 0.7t/m3The micro silicon powder dust after encryption flows into a middle bin through a discharge valve for bagging and recycling, and the system flow is as follows: the method is influenced by the height of the micro silicon powder dust in the encryption bin, the air volume of a pneumatic conveying fan and the air volume and pressure of the low-pressure air compressor, so that the pressure in the encryption bin cannot be effectively controlled, and the encryption bin is permanently damaged due to overlarge positive pressure; the excessive negative pressure can cause insufficient fluidization strength of the micro silicon powder dust in the encryption bin, and the specific gravity of the dust can not be completely satisfied from 0.2t/m3The density is increased to 0.6 to 0.7t/m3The design requirements of (2).
Chinese patent CN203187102U discloses a silica fume encryption device, which is provided with a plurality of sub-chambers, and the strong and weak air supply of each sub-chamber is realized by a switching valve and a PLC. The turbulences of the sub-chambers are connected due to the continuous strong and weak air supply. Thereby leading the micro silicon powder in the encryption bin to be burnt by strong fire
The porridge is cooked by slow fire, and the polymerization of the micro silicon powder particles is accelerated. There is no disclosure in this patent of controlling the pressure of the encryption bin if it is effective.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's not enough, provide a structural design science, with low costs, can encrypt the energy-conserving low power consumption coal source electricity generation of storehouse internal pressure with high carbon chromite thermoelectric furnace's for the thermoelectric furnace pressure control system who encrypts the device automatically.
For realizing the utility model provides the following technical scheme:
the pressure control system of the encryption device for the high-carbon chromite thermoelectric furnace for energy-saving and low-power consumption coal source power generation mainly comprises an automatic control system, an air compressor and an encryption bin; the air compressor is connected with the encryption bin through a conveying pipeline, a gas flow monitor is arranged on the conveying pipeline, a bin top dust remover and a pressure sensor for monitoring the pressure in the encryption bin are arranged at the top of the encryption bin, and a dust removal fan is further arranged at an air outlet of the bin top dust remover; and the air compressor, the gas flow monitor, the pressure sensor and the dust removal fan are all connected with an automatic control system.
Preferably, a silencer is further disposed on the conveying pipeline between the air compressor and the gas flow rate monitor.
Preferably, a pressure gauge and a pneumatic gate valve are further arranged on the conveying pipeline between the gas flow monitor and the encryption bin, and the pressure gauge and the pneumatic gate valve are connected with an automatic control system.
Preferably, the top of the encryption bin is also provided with a radar level gauge, the bottom of the encryption bin is provided with a fluidized bed, and the radar level gauge is connected with an automatic control system.
The utility model has the advantages that:
firstly, the method comprises the following steps: the air compressor, the gas flow monitor, the pressure sensor, the dust removal fan, the pressure gauge, the pneumatic gate valve and the radar level gauge are all connected with the automatic control system; the pressure sensor detects the pressure in the encryption bin, feeds back a pressure signal in the encryption bin to the automatic control system, and is interlocked with the gas flow monitor, the dust removal fan and the like through the automatic control system; the automatic control system controls the working frequency of a dedusting fan, an air compressor and the like according to the pressure signal in the encryption bin to increase or decrease the exhaust volume or the air inflow of the encryption bin, so as to adjust the pressure in the encryption bin; meanwhile, in order to prevent the pressure of the conveying pipeline from being too high, a pressure gauge is arranged on the conveying pipeline to ensure the safety of the conveying pipeline, and the full-automatic operation of the system is realized by utilizing an automatic control system;
secondly, the method comprises the following steps: the system does not need to change the original collection and encryption process of the micro silicon powder dust, can realize full-automatic control of the pressure in the encryption bin only by inputting a small amount of equipment, and has lower cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises an automatic control system 1, an air compressor 2, an encryption bin 3, a gas flow monitor 4, a bin top dust remover 5, a pressure sensor 6, a dust removing fan 7, a silencer 8, a pressure gauge 9, a pneumatic gate valve 10 and a radar level indicator 11.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The pressure control system of the encryption device for the high-carbon chromite thermoelectric furnace for energy-saving and low-power consumption coal source power generation mainly comprises an automatic control system 1, an air compressor 2 and an encryption bin 3; the air compressor 2 is connected with the encryption bin 3 through a conveying pipeline, a gas flow monitor 4 is arranged on the conveying pipeline, a bin top dust remover 5 and a pressure sensor 6 for monitoring the pressure in the encryption bin 3 are arranged at the top of the encryption bin 3, and a dust removal fan 7 is further arranged at an air outlet of the bin top dust remover 5; the air compressor 2, the gas flow monitor 4, the pressure sensor 6 and the dust removal fan 7 are all connected with the automatic control system 1 (not shown in the figure).
Further, a silencer 8 is further arranged on the conveying pipeline between the air compressor 2 and the gas flow monitor 4.
Further, a pressure gauge 9 and a pneumatic gate valve 10 are further arranged on a conveying pipeline between the gas flow monitor 4 and the encryption bin 3, and the pressure gauge 9 and the pneumatic gate valve 10 are both connected with the automatic control system 1 (not shown in the figure).
Further, the top of the encryption bin 3 is also provided with a radar level gauge 11, the bottom of the encryption bin is provided with a fluidized bed, and the radar level gauge 11 is connected with the automatic control system 1 (not shown in the figure).
The working principle of the system is as follows: utilize gas flow monitor 4 and manometer 9 to monitor pressure and gas flow in the pipeline, utilize pressure sensor 6 and radar charge level indicator 11 to monitor pressure and the material level in the encryption storehouse 3, and these components all are connected with automatic control system 1, provide feedback signal for automatic control system 1, automatic control system 1 can be the computer of having installed control system who purchases in the market, gas flow monitor 4, manometer 9, pressure sensor 6, radar charge level indicator 11 all can directly purchase from the market, air compressor 2 and dust exhausting fan 7 are variable frequency adjustable speed, also can purchase from the market.
The pressure sensor 6 monitors the pressure in the encryption bin 3 to ensure that the pressure in the encryption bin 3 is controlled between-10 Pa and-50 Pa; if the pressure in the encryption bin 3 is increased, the automatic control system 1 increases the frequency of the dust removal fan 7, increases the exhaust volume of the encryption bin 3, reduces the frequency of the air compressor 2 and reduces the gas volume entering the encryption bin 3; on the contrary, if the pressure in the encryption bin 3 is reduced, the automatic control system 1 reduces the frequency of the dust removal fan 7, reduces the exhaust volume of the encryption bin 3, simultaneously improves the frequency of the air compressor 2, and increases the gas volume entering the encryption bin 3; but in order to ensure the safety of the conveying pipeline, a pressure gauge 9 is arranged on the conveying pipeline to monitor the safety of the conveying pipeline.
The embodiments described above are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (4)
1. The pressure control system of the encryption device for the high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption coal source power generation is characterized in that: mainly comprises an automatic control system, an air compressor and an encryption bin; the air compressor is connected with the encryption bin through a conveying pipeline, a gas flow monitor is arranged on the conveying pipeline, a bin top dust remover and a pressure sensor for monitoring the pressure in the encryption bin are arranged at the top of the encryption bin, and a dust removal fan is further arranged at an air outlet of the bin top dust remover; and the air compressor, the gas flow monitor, the pressure sensor and the dust removal fan are all connected with an automatic control system.
2. The pressure control system of the encryption device for the high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption power generation of the coal source as claimed in claim 1, wherein: and a silencer is also arranged on the conveying pipeline between the air compressor and the gas flow monitor.
3. The pressure control system of the encryption device for the high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption power generation of the coal source as claimed in claim 1, wherein: and a pressure meter and a pneumatic gate valve are also arranged on the conveying pipeline between the gas flow monitor and the encryption bin, and are connected with an automatic control system.
4. The pressure control system of the encryption device for the high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption power generation of the coal source as claimed in claim 1, wherein: the top of the encryption bin is also provided with a radar level gauge, the bottom of the encryption bin is provided with a fluidized bed, and the radar level gauge is connected with an automatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921184010.XU CN210718702U (en) | 2019-07-26 | 2019-07-26 | Pressure control system of encryption device for high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption coal source power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921184010.XU CN210718702U (en) | 2019-07-26 | 2019-07-26 | Pressure control system of encryption device for high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption coal source power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718702U true CN210718702U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921184010.XU Active CN210718702U (en) | 2019-07-26 | 2019-07-26 | Pressure control system of encryption device for high-carbon chromite thermoelectric furnace for energy-saving and low-power-consumption coal source power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210718702U (en) |
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2019
- 2019-07-26 CN CN201921184010.XU patent/CN210718702U/en active Active
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