CN110986062A - Industrial gas purification system - Google Patents
Industrial gas purification system Download PDFInfo
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- CN110986062A CN110986062A CN201911357848.9A CN201911357848A CN110986062A CN 110986062 A CN110986062 A CN 110986062A CN 201911357848 A CN201911357848 A CN 201911357848A CN 110986062 A CN110986062 A CN 110986062A
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- industrial gas
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- 238000000746 purification Methods 0.000 title claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 55
- 239000007789 gas Substances 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000002912 waste gas Substances 0.000 claims abstract description 9
- 239000013618 particulate matter Substances 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 230000002596 correlated effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 6
- 239000002440 industrial waste Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005496 tempering Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000012855 volatile organic compound Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/063—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating electric heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/201—Plasma
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to the technical field of environmental management, in particular to an industrial gas purification system, which comprises a dustproof device, a condenser, a gas-liquid separation device, an explosion-proof flame arrester and plasma incineration equipment, wherein the dustproof device, the condenser, the gas-liquid separation device, the explosion-proof flame arrester and the plasma incineration equipment are sequentially arranged along the circulation direction of waste gas; dust keeper, condenser and gas-liquid separation equipment are arranged in getting rid of particulate matter and moisture in the waste gas that reaches plasma incineration equipment respectively, make the gas that reaches plasma incineration equipment obtain stable temperature simultaneously, and explosion-proof spark arrester is arranged in preventing the flame tempering among the plasma incineration equipment. The high-temperature plasma incineration equipment disclosed by the invention can be used for rapidly increasing the temperature of industrial waste gas from normal temperature to 3000 ℃ in a reactor through energy-gathered discharge of a high-frequency high-voltage high-power supply under a specific condition, organic pollution components are instantly ionized and completely cracked under the dual actions of high temperature and high potential, organic matters in the industrial waste gas are cracked into simple substance substances such as carbon, carbon dioxide, water vapor and the like, and the environmental pollution is avoided.
Description
Technical Field
The invention relates to the technical field of environmental management, in particular to an industrial gas purification system.
Background
At present, organic waste gas generated by industrial plants is most commonly organic acid, alcohol, ketone, aldehyde, phenol, heterocyclic group, amine, sulfide and new substances generated by chemical reaction of the components, wherein hydrogen sulfide, ammonia, volatile fatty acid, phenol and the like have the most serious pollution to the atmosphere, are harmful to human health and can cause waste, so that the treatment and purification of the organic waste gas are imperative.
In view of the above problems, the present inventors have conducted extensive research and innovation based on practical experience and professional knowledge in engineering applications of such products for many years, and together with the application of theory, in order to create an industrial gas purification system, which is more practical.
Disclosure of Invention
The invention provides an industrial gas purification system, thereby effectively solving the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that: the method comprises the following steps:
the industrial gas purification system comprises a dustproof device, a condenser, a gas-liquid separation device, an explosion-proof flame arrester and plasma incineration equipment which are sequentially arranged along the circulation direction of waste gas; the dustproof device, the condenser and the gas-liquid separation device are respectively used for removing particulate matters and moisture in the waste gas reaching the plasma incineration equipment, meanwhile, the gas reaching the plasma incineration equipment obtains stable temperature, and the explosion-proof flame arrester is used for preventing flame tempering in the plasma incineration equipment.
Further, the condenser includes the condensation pipeline that supplies the gas circulation, set up in condensation pipeline periphery is used for providing cold wind in order to supply the refrigerated inner circulation passageway, and set up in inner circulation passageway periphery is used for providing cold wind in order to supply refrigerated outer circulation passageway, wherein, the cold wind flow direction of inner and outer circulation passageway is opposite in the inner circulation expert.
Further, an inner fan is arranged in the inner circulation channel, an outer fan is arranged in the outer circulation channel, and the control methods of the inner fan and the outer fan are as follows:
s1: when cooling starts, the inner fan is started through a controller, and the rotating speed of the inner fan is set according to the temperature of industrial gas and is positively correlated with the temperature of the industrial gas;
s2: and determining the starting time of the outer fan according to the temperature of the outlet of the inner circulation channel, and starting the outer fan when the temperature of the outlet exceeds a set value, wherein the rotating speed of the outer fan is set according to the temperature of the outlet of the inner circulation channel and is positively correlated with the rotating speed of the outer fan.
Further, the inner fan and the outer fan are respectively provided with two fans, one fan is selected for use in normal work, and when one of the used fans fails, a standby fan is started, wherein the failure determination method of the inner fan and the outer fan comprises the following steps:
when an inner fan or an outer fan is electrified to work, an ultrasonic signal is transmitted to a controller, if the controller receives the ultrasonic signal, the inner fan or the outer fan which transmits the ultrasonic signal is judged to be normal, and if the controller cannot receive the ultrasonic signal, the inner fan or the outer fan is judged to be in fault.
Furthermore, the dustproof device comprises a dust falling cavity and a dust collecting cavity, and the dust falling cavity and the dust collecting cavity respectively realize two-stage filtration of particulate matters;
the dust collecting cavity is arranged at the top of the dust falling cavity, the bottom plate is of a filtering grid structure and is symmetrically arranged relative to the partition plate;
the bottom of the partition board is provided with an opening device, the opening device comprises a rotating shaft which is rotatably connected with the side wall of the dust falling cavity and a rotary switch which rotates around the rotating shaft, the rotary switch comprises an arc surface which is attached to the bottom of the dust falling cavity, the bottom of the dust falling cavity is provided with an opening, the opening and the closing are realized through the rotation of the rotary switch, and the opening power of the rotary switch is the gravity difference of particles entering the dust falling cavity and the dust falling cavity;
the dust collecting cavity is characterized in that a plurality of uniformly arranged air outlet pipes for air to flow out are arranged at the top of the dust collecting cavity, and a filtering grid structure is arranged at the pipe ends of the air outlet pipes.
Further, rotary switch include with the connecting plate that the pivot is connected and about the push pedal that the connecting plate symmetry set up still including being fixed in the arc of connecting plate bottom, the push pedal passes through the pivot is fixed, and for the connecting plate rotates the setting, the push pedal with be provided with the spring between the connecting plate.
Furthermore, the top of the dust falling cavity is of a gathering structure.
Furthermore, the bottom of the dust falling cavity is of a gathering structure.
Further, a cleaning door is arranged on the dust collecting cavity.
Through the technical scheme, the invention has the beneficial effects that:
in the invention, through high-temperature plasma incineration equipment, high-frequency (30KHz) high-voltage (10 ten thousand volts) high-power supply is used for energy-gathering discharge under specific conditions, so that the industrial waste gas is rapidly increased from normal temperature to 3000 ℃ in a reactor, organic pollutant components (VOCs) are instantly ionized and completely cracked under the dual actions of high temperature and high potential, organic matters (VOCs) in the industrial waste gas are cracked into simple substance substances such as carbon, carbon dioxide, water vapor and the like through high-temperature plasma incineration treatment, and the environmental pollution is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of an industrial gas purification system;
FIG. 2 is a schematic structural diagram of a condenser;
FIG. 3 is a schematic view of the structure of the dust-proof device (partially opened);
FIG. 4 is a front view of the dust guard (opening device closed);
FIG. 5 is a front view of the dust guard (opening device open);
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
reference numerals: the device comprises a dustproof device 1, a dust falling cavity 11, a dust collecting cavity 12, a partition plate 13, an air outlet pipe 14, a connecting plate 15, a push plate 16, an arc-shaped plate 17, a spring 18, a condenser 2, a condensation pipeline 21, an inner circulation channel 22, an outer circulation channel 23, a gas-liquid separation device 3, an explosion-proof flame arrester 4 and plasma incineration equipment 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1, the industrial gas purification system comprises a dustproof device 1, a condenser 2, a gas-liquid separation device 3, an explosion-proof flame arrester 4 and a plasma incineration device 5 which are arranged in sequence along the circulation direction of waste gas; the dustproof device 1, the condenser 2 and the gas-liquid separation device 3 are respectively used for removing particulate matters and moisture in the waste gas reaching the plasma incineration equipment 5, meanwhile, the gas reaching the plasma incineration equipment 5 obtains stable temperature, and the explosion-proof flame arrester 4 is used for preventing flame in the plasma incineration equipment 5 from backfiring.
In the invention, through high-temperature plasma incineration equipment, high-frequency (30KHz) high-voltage (10 ten thousand volts) high-power supply is used for energy-gathering discharge under specific conditions, so that the industrial waste gas is rapidly increased from normal temperature to 3000 ℃ in a reactor, organic pollutant components (VOCs) are instantly ionized and completely cracked under the dual actions of high temperature and high potential, organic matters (VOCs) in the industrial waste gas are cracked into simple substance substances such as carbon, carbon dioxide, water vapor and the like through high-temperature plasma incineration treatment, and the environmental pollution is avoided.
In order to ensure the reliability and stability of the work of the plasma incineration equipment, the dust-proof device 1, the condenser 2 and the gas-liquid separation device 3 are arranged to effectively ensure the content of particulate matters, the content of water and the temperature of waste gas entering the plasma incineration equipment, so that the final treatment effect is effectively ensured, and the anti-explosion flame arrester 4 is arranged to improve the work safety under the conditions of high frequency and high pressure.
As shown in fig. 2, the condenser 2 includes a condensing pipeline 21 for flowing gas, an inner circulation channel 22 disposed at the periphery of the condensing pipeline 21 for providing cold air for cooling, and an outer circulation channel 23 disposed at the periphery of the inner circulation channel 22 for providing cold air for cooling, wherein the cold air flowing through the inner circulation channel 22 and the outer circulation channel 23 flow in opposite directions. In the above embodiment, the inner circulation passage 22 can directly exchange heat with the outer wall of the condensation duct 21, and the outer circulation passage 23 can exchange heat with the inner circulation passage 22 to reduce the temperature in the inner circulation passage 22, and the circulation in the inner circulation passage and the outer circulation passage represents two different temperature control stages during use, wherein the inner circulation is a first stage, and the outer circulation and the inner circulation simultaneously work as a second stage, so that a better cooling effect can be achieved. An inner fan is arranged in the inner circulation channel 22, an outer fan is arranged in the outer circulation channel 23, and the control methods of the inner fan and the outer fan are as follows:
s1: when cooling starts, the inner fan is started through the controller, and the rotating speed of the inner fan is set according to the temperature of the industrial gas and is positively correlated with the temperature of the industrial gas;
s2: the starting time of the outer fan is determined according to the temperature of the outlet of the inner circulation passage 22, and when the temperature of the outlet exceeds a set value, the outer fan is started, wherein the rotating speed of the outer fan is set according to the temperature of the outlet of the inner circulation passage 22 and is positively correlated with the rotating speed. The mode that above interior extrinsic cycle set up jointly make full use of the position characteristics of interior extrinsic cycle, play the effect of inside and outside UNICOM through the inner loop, the consumption of the reducible energy of inner loop is only started when the temperature is lower, starts the extrinsic cycle when the temperature is higher and increases effects, has guaranteed the accurate nature of its work, through the settlement of each threshold value, has realized the effective accuse of exhaust gas temperature control, has reduced the energy waste that extensive formula work brought. In the above process, the temperature at the outlet of the internal circulation passage 22 is ensured by the start of the external fan, thereby ensuring the cooling effect. The two inner fans and the two outer fans are arranged, one of the inner fans and the other of the outer fans is selected for use during normal work, and one of the inner fans and the other outer fan is started for standby when one of the inner fans and the other outer fan is in failure, wherein the failure judgment method of the inner fans and the outer fans is as follows:
when the inner fan or the outer fan is electrified to work, the ultrasonic signals are transmitted to the controller, if the controller receives the ultrasonic signals, the inner fan or the outer fan which transmits the ultrasonic signals is judged to be normal, and if the controller cannot receive the ultrasonic signals, the inner fan or the outer fan is judged to be in fault.
In this embodiment, taking an inner fan as an example, when the inner fan is powered on to work, ultrasonic signals of at least one frequency are transmitted to a controller in a one-by-one interval mode, and when the interval time and the interval frequency both correspond to each other, the inner fan is judged to be normal; when the interval time and/or frequency cannot correspond to each other, the fault of the internal fan is judged, wherein the selection of the frequency needs to be in a frequency band which can be received by the controller, the intermittent transmission mode can enable the controller to clearly determine the received signal as a required signal, the transmitted ultrasonic signal is prevented from being interfered by signals in the environment, and the fault judgment is more accurate through the joint judgment of the time interval index and the frequency index.
As a preferred example of the above embodiment, as shown in fig. 3 to 5, the dust-proof device 1 includes a dust falling cavity 11 and a dust collecting cavity 12, which respectively implement two-stage filtration of particulate matters; wherein, a clapboard 13 is arranged in the dust falling cavity 11, so as to divide the dust falling cavity into two parts with communicated tops, the dust collecting cavity 12 is arranged at the top of the dust falling cavity 11, the bottom plate is of a filtering grid structure and is symmetrically arranged relative to the clapboard 13; the bottom of the partition plate 13 is provided with an opening device, the opening device comprises a rotating shaft which is rotatably connected with the side wall of the dust falling cavity 11 and a rotary switch which rotates around the rotating shaft, the rotary switch comprises an arc surface which is attached to the bottom of the dust falling cavity 11, wherein the bottom of the dust falling cavity 11 is provided with an opening, the opening and the closing are realized through the rotation of the rotary switch, and the opening power of the rotary switch is the gravity difference of particles entering the two parts; the top of the dust collecting cavity 12 is provided with a plurality of air outlet pipes 14 which are uniformly arranged and used for air to flow out, and the pipe ends of the air outlet pipes 14 are provided with filtering grid structures.
In the working process, gas enters one side in the chamber from an inlet on the side wall of the dust falling cavity 11 and reaches the filtering grid structure at the bottom of the dust collecting cavity 12 from bottom to top, wherein the particulate matters fall after being blocked by the filtering grid structure, wherein, due to the arrangement of the partition plate 13, the amount of the particulate matters gathered by the two parts divided by the partition plate 13 has larger difference, when one side gathers more, the rotary switch can necessarily rotate towards one side due to the gravity difference, so that the opening at the bottom of the dust falling cavity 11 is opened to enable a part of the particulate matters to fall and be collected, in the opening process, the weight of the particulate matters in the cavity at the other side is also ceaselessly increased, when the weight of the particulate matters is increased to be larger than that of the adjacent side, the particulate matters at the side can also fall and be collected due to the opening of the rotary switch, make whole rotary switch under the effect of no external force through above-mentioned mode, only through the quality of particulate matter itself and control, reduced the control degree of difficulty, and the structure fault rate of pure mechanical type is low, and low cost.
Referring to fig. 6, the rotary switch includes a connecting plate 15 connected to the rotating shaft, a push plate 16 symmetrically disposed with respect to the connecting plate 15, and an arc plate 17 fixed to the bottom of the connecting plate 15, the push plate 16 is fixed by the rotating shaft and rotatably disposed with respect to the connecting plate 15, and a spring 18 is disposed between the push plate 16 and the connecting plate 15.
Since the rotary switch is opened by the gravity difference of the particles, the opening angle is limited by the gravity difference, and in order to achieve more effective particle removal within the limited angle, in the preferred embodiment, the push plate 16 is used to push the particles, so that the open end at the arrow shown in fig. 6 is dropped, specifically, when the connecting plate 15 is in the middle position, the downward component force of the particles to the right push plate 16 in the figure is necessarily greater than the downward component force borne by the right push plate 16 when the connecting plate 15 in the figure 6 is offset, so that the reaction force of the spring 18 to the right push plate 16 in the case of fig. 6 is increased, so that the push plate 16 moves away from the connecting plate 15 to push the particles, and more particles are dropped from the open end.
Wherein, the top of the dust falling cavity 11 is of a gathering structure, so that the gas can be better guided when entering the dust collecting cavity 12. The bottom of the dust falling cavity 11 is of a gathering structure, so that particles are accumulated in a more concentrated mode, and the gravity difference perception is sensitive. In the process, because the wind current always exists in the dust falling cavity 11, the opening of the rotary switch is not influenced by the fact that the particles are stacked too tightly.
In order to facilitate the cleaning of the dust collecting cavity 12, a cleaning door is provided on the dust collecting cavity 12.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The industrial gas purification system is characterized by comprising a dustproof device (1), a condenser (2), a gas-liquid separation device (3), an explosion-proof flame arrester (4) and plasma incineration equipment (5) which are sequentially arranged along the circulation direction of waste gas;
the dust prevention device (1), the condenser (2) and the gas-liquid separation device (3) are respectively used for removing particulate matters and moisture in waste gas reaching the plasma incineration equipment (5), meanwhile, the gas reaching the plasma incineration equipment (5) obtains stable temperature, and the explosion-proof flame arrester (4) is used for preventing flame in the plasma incineration equipment (5) from being tempered.
2. The industrial gas purification system according to claim 1, wherein the condenser (2) comprises a condensation line (21) for circulating the gas, an inner circulation channel (22) disposed at the periphery of the condensation line (21) for providing cold air for cooling, and an outer circulation channel (23) disposed at the periphery of the inner circulation channel (22) for providing cold air for cooling, wherein the cold air flows in opposite directions in the inner circulation channel (22) and the outer circulation channel (23).
3. The industrial gas purification system according to claim 2, wherein an inner fan is disposed in the inner circulation passage (22), and an outer fan is disposed in the outer circulation passage (23), and the control methods of the inner fan and the outer fan are as follows:
s1: when cooling starts, the inner fan is started through a controller, and the rotating speed of the inner fan is set according to the temperature of industrial gas and is positively correlated with the temperature of the industrial gas;
s2: and determining the starting time of the outer fan according to the temperature of the outlet of the inner circulation channel (22), and starting the outer fan when the temperature of the outlet exceeds a set value, wherein the rotating speed of the outer fan is set according to the temperature of the outlet of the inner circulation channel (22) and is positively correlated with the rotating speed of the outer fan.
4. The industrial gas purification system according to claim 3, wherein two inner fans and two outer fans are provided, and are selected for use in normal operation, and the spare one is activated when one of the used inner fans fails, wherein the failure determination method for the inner fans and the outer fans is as follows:
when an inner fan or an outer fan is electrified to work, an ultrasonic signal is transmitted to a controller, if the controller receives the ultrasonic signal, the inner fan or the outer fan which transmits the ultrasonic signal is judged to be normal, and if the controller cannot receive the ultrasonic signal, the inner fan or the outer fan is judged to be in fault.
5. Industrial gas purification system according to claim 1, wherein the dust protection device (1) comprises a dust fall chamber (11) and a dust collection chamber (12), which respectively enable two-stage filtration of the particulate matter;
a partition plate (13) is arranged in the dust falling cavity (11) so as to divide the dust falling cavity into two parts with communicated tops, the dust collecting cavity (12) is arranged at the top of the dust falling cavity (11), and a bottom plate is of a filtering grid structure and is symmetrically arranged relative to the partition plate (13);
the bottom of the partition plate (13) is provided with an opening device, the opening device comprises a rotating shaft which is rotatably connected with the side wall of the dust falling cavity (11) and a rotary switch which rotates around the rotating shaft, the rotary switch comprises an arc surface which is attached to the bottom of the dust falling cavity (11), the bottom of the dust falling cavity (11) is provided with an opening, the opening and the closing are realized through the rotation of the rotary switch, and the opening power of the rotary switch is the gravity difference of particles entering the two parts;
the top of the dust collecting cavity (12) is provided with a plurality of uniformly arranged air outlet pipes (14) for air to flow out, and the pipe ends of the air outlet pipes (14) are provided with filtering grid structures.
6. The industrial gas purification system according to claim 5, wherein the rotary switch comprises a connecting plate (15) connected with the rotating shaft and push plates (16) symmetrically arranged about the connecting plate (15), and further comprises an arc-shaped plate (17) fixed at the bottom of the connecting plate (15), the push plates (16) are fixed through the rotating shaft and are rotatably arranged relative to the connecting plate (15), and a spring (18) is arranged between the push plates (16) and the connecting plate (15).
7. Industrial gas purification system according to claim 5, wherein the top of the dust falling chamber (11) is of a converging structure.
8. Industrial gas purification system according to claim 5, wherein the bottom of the dust falling chamber (11) is of a converging structure.
9. The industrial gas purification system according to any one of claims 5 to 8, wherein a cleaning door is provided on the dust collection chamber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357848.9A CN110986062B (en) | 2019-12-25 | 2019-12-25 | Industrial gas purification system |
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|---|---|---|---|
| CN201911357848.9A CN110986062B (en) | 2019-12-25 | 2019-12-25 | Industrial gas purification system |
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| CN110986062A true CN110986062A (en) | 2020-04-10 |
| CN110986062B CN110986062B (en) | 2020-07-17 |
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| CN201911357848.9A Active CN110986062B (en) | 2019-12-25 | 2019-12-25 | Industrial gas purification system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021232565A1 (en) * | 2020-05-18 | 2021-11-25 | 南京盛辉环境工程技术有限公司 | Organosilicon waste gas treatment device |
| CN114712959A (en) * | 2022-05-21 | 2022-07-08 | 山东凯希威智能装备有限公司 | Waste gas treatment method for polymerizing waste by using oxygen-enriched water |
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| CN110986062B (en) | 2020-07-17 |
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Effective date of registration: 20231124 Address after: 516000 New Kiln Office Building, Qiling Village, Lilin Town, Zhongkai High tech Zone, Huizhou City, Guangdong Province Patentee after: Huizhou Hejian Chemical Fuel Co.,Ltd. Address before: No. 188 Hehe Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province, 212200 Patentee before: Zhenjiang Xuanhan pipe valve Co.,Ltd. |