CN214597307U - Organic silicon production industry exhaust treatment device - Google Patents
Organic silicon production industry exhaust treatment device Download PDFInfo
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- CN214597307U CN214597307U CN202023050321.2U CN202023050321U CN214597307U CN 214597307 U CN214597307 U CN 214597307U CN 202023050321 U CN202023050321 U CN 202023050321U CN 214597307 U CN214597307 U CN 214597307U
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Abstract
The utility model relates to the technical field of waste gas treatment, and discloses a waste gas treatment device in the organic silicon production industry, which comprises a gas collecting hood, a gas collecting pipe, a condensing device, an alkali washing device, a high-efficiency demisting device, an active carbon adsorption device and an exhaust funnel which are connected through pipelines; the gas collecting hood is used for collecting waste gas and conveying the waste gas to a subsequent device for treatment through a gas collecting pipe; the condensing device is used for carrying out condensation pretreatment on the waste gas; the alkali washing device is used for washing and absorbing water-soluble components and acid components in the waste gas; the efficient demisting device is used for condensing and demisting the waste gas; the active carbon adsorption device is used for adsorbing organic matters in the waste gas; the exhaust funnel is used for discharging the treated waste gas at high altitude. The utility model discloses an organosilicon production trade exhaust treatment device adopts the technology of "condensation + alkali wash + defogging + activated carbon adsorption", detaches liquid, acid composition and organic composition etc. in the waste gas step by step, and the treatment effeciency is high, and is effectual, is fit for popularizing and applying.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, more specifically relates to an organosilicon production trade exhaust treatment device.
Background
The organosilicon, that is, the organosilicon compound, means a compound containing an Si-O bond and having at least one organic group directly bonded to a silicon atom, and a compound having an organic group bonded to a silicon atom through oxygen, sulfur, nitrogen or the like is also generally used as the organosilicon compound. The organic silicon has the advantages of good thermal stability, weather resistance, insulating property, biological property, low surface tension, low surface energy and the like, has a wide application range, and relates to the fields of aviation, buildings, electronics and electrics, textiles, automobiles, machinery, leather papermaking, chemical engineering and light industry, metals, paints, medical treatment and the like.
At present, the organic silicon industry in China has become a high and new technology industry with numerous production enterprises, complete product types, great development potential and great market prospect, and the production technology of organic silicon monomers is close to the international advanced level.
However, waste gas containing substances such as acetic acid, butanone oxime, siloxane, dimethyl carbonate, hydrogen chloride, octamethylcyclotetrasiloxane and the like can be generated in the production process of organic silicon, chemical components are complex, the waste gas emission is large, the waste gas is treated by adopting an incineration method in the industry, but a treatment system matched with an incineration device is difficult to meet requirements, organic silicon incineration particles have the characteristics of high viscosity, easiness in bridging, easiness in scaling and the like, the equipment operation efficiency is low, the maintenance cost is high, and the waste gas treatment effect is poor. With the stricter environmental emission standards, especially the ultra-low emission of soot particles is required, so the waste gas generated by the organosilicon industry treated by the incineration method cannot meet the new environmental emission requirements.
Therefore, it is necessary to provide an exhaust gas treatment device for the silicone industry to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an organosilicon production trade exhaust-gas treatment device mainly used solves the equipment operating efficiency of the present incineration method that is used for handling organosilicon trade waste gas low, the dimension guarantor is with high costs, the exhaust-gas treatment effect is not good, can not satisfy the problem of new environmental protection emission requirement.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
a waste gas treatment device in the organic silicon production industry comprises a gas collecting hood, a gas collecting pipe, a condensing device, an alkali washing device, a high-efficiency demisting device, an active carbon adsorption device and an exhaust funnel which are sequentially connected through a pipeline;
the gas collecting hood is used for collecting waste gas generated by a waste gas source and conveying the waste gas to a subsequent device for treatment through the gas collecting pipe;
the condensing device is used for carrying out condensation pretreatment on the waste gas;
the alkaline washing device is used for washing and absorbing water-soluble components and acidic components in the waste gas;
the efficient demisting device is used for condensing and demisting the waste gas after washing treatment;
the activated carbon adsorption device is used for adsorbing organic matters in the water-removed and demisted waste gas;
the exhaust funnel is used for discharging the treated waste gas at high altitude.
Furthermore, high-efficient defogging device is along horizontal setting, has set gradually condensing element and two-stage defogging part along the air current direction in the high-efficient defogging device, condensing element is the finned condenser, let in recirculated cooling water (7 ℃ -25 ℃) as the condensing medium indirect cooling condensation to waste gas in the coil pipe in the finned condenser, two-stage defogging part includes baffling board defroster and silk screen mist eliminator, finned condenser, baffling board defroster and silk screen mist eliminator are spaced each other and vertical parallel arrangement. High-efficient defroster adopts the processing mode of condensation earlier defogging again, and the moisture condensation in the waste gas becomes liquid earlier promptly, carries out the dewatering defogging again, can effectively improve dewatering and defogging efficiency, and furthest reduces the moisture content in the waste gas through alkali cleaning treatment, prevents that a large amount of moisture that smugglies secretly of waste gas from getting into aftertreatment device and aggravating its processing load, influences organic exhaust-gas treatment effect.
Further, a gas inlet is formed in the side wall of the alkali washing device, a gas outlet is formed in the top of the alkali washing device, a spiral flow plate, a spraying device and a demisting component are arranged in the alkali washing device at intervals from bottom to top, and a plurality of spiral nozzles are arranged at the bottom of the spraying device; the alkali washing device is characterized in that an alkali liquor circulating pipe used for communicating the bottom of the alkali washing device with the spraying device is arranged outside the alkali washing device, an alkali liquor circulating pump is arranged on the alkali liquor circulating pipe, and an alkali liquor discharging pipe is further arranged on the alkali liquor circulating pipe in a branching manner.
Furthermore, the rotational flow plates in the alkaline washing device can be provided with a plurality of layers, and the rotational flow plates have guiding and relay functions, so that pneumatic rotational flow is generated by utilizing the kinetic energy of upward flowing waste gas, the upward flowing waste gas and the downward sprayed alkali liquor are in full gas-liquid two-phase contact, the mass transfer efficiency is high, and water-soluble components and acid components in the waste gas can be effectively absorbed and removed.
Furthermore, a liquid replenishing pipe is arranged at the bottom of the alkali washing device in a matched mode and used for replenishing alkali liquor or tap water in the alkali washing device, and a floating ball type liquid level switch connected with the liquid replenishing pipe is arranged inside the alkali washing device.
Furthermore, the demisting component in the alkaline washing device is provided with two layers, and a baffle plate demister and a wire mesh demister are respectively adopted. When the gas-liquid mixture in the waste gas passes through the baffle plate demister and the wire mesh demister, under the interception effect of the gas-liquid mixture, liquid drops and particles are enriched on the surface of the demister, and are aggregated into larger liquid drops or particles after a certain time and fall freely by the gravity of the gas-liquid mixture, so that the moisture content in the waste gas is reduced, and the load of a subsequent treatment device is lightened.
Furthermore, the activated carbon adsorption device is arranged along the transverse direction, the front end of the activated carbon adsorption device is provided with an air inlet, the rear end of the activated carbon adsorption device is provided with an air outlet, and at least one layer of activated carbon adsorption bed is vertically arranged in the activated carbon adsorption device; and the waste gas enters the activated carbon adsorption device through the gas inlet, flows transversely, passes through the activated carbon adsorption bed, and is discharged from the gas outlet after adsorption treatment.
Furthermore, the top of the activated carbon adsorption device is provided with an activated carbon filling opening, and the bottom of the activated carbon adsorption device is provided with an activated carbon discharging opening, so that the activated carbon adsorption device is convenient and quick to load and unload materials, and is convenient for periodically replacing activated carbon.
Furthermore, a first suction fan is arranged on a pipeline between the condensing device and the alkaline cleaning device, and a second suction fan is arranged on a pipeline between the activated carbon adsorption device and the exhaust funnel and used for sucking waste gas to smoothly flow in the device, so that the waste gas treatment efficiency is improved.
Furthermore, the condensing device adopts a fin condenser or a tubular condenser, the circulating cooling water (7-25 ℃) is utilized to carry out cooling and condensing pretreatment on the waste gas, the waste gas is cooled and condensed in advance, and a part of liquid in the waste gas is removed, so that the load of a subsequent treatment device is reduced.
Furthermore, a first liquid discharge pipe is arranged at the bottom of the condensing device, a second liquid discharge pipe is arranged at the bottom of the efficient demisting device, the first liquid discharge pipe and the second liquid discharge pipe are both communicated with a sewage treatment system of a plant area, and liquid generated by condensation and demisting in the condensing device and the efficient demisting device can be discharged regularly through the first liquid discharge pipe and the second liquid discharge pipe, so that the liquid is prevented from accumulating to influence a treatment space inside the device.
The utility model discloses an organosilicon production trade exhaust treatment device's process flow does: the waste gas that the waste gas source produced is collected in unison through the gas collecting channel after, carry to condensing equipment by the discharge pipe, carry out the cooling condensation to waste gas in advance and detach a part of liquid in the waste gas, then waste gas gets into alkaline cleaning device, water-soluble composition and acid composition in the washing absorption waste gas, waste gas after the alkali cleaning processing gets into high-efficient defogging device next, through condensing earlier after the mode processing of defogging, the moisture content in the furthest reduces waste gas, follow-up waste gas gets into active carbon adsorption device, pollutant component in the waste gas is adsorbed by active carbon, the waste gas after the adsorption treatment purification discharges through the aiutage.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
1. the utility model discloses an organosilicon production industry exhaust-gas treatment device adopts "condensation + alkali wash + defogging + active carbon adsorption" process flow, after the waste gas that comes with the discharge tube transport in proper order passed through condensing equipment, alkali wash device, the condensation of high-efficient defogging device and active carbon adsorption device, alkali wash, defogging and adsorption treatment, liquid, acid composition, organic composition etc. in the waste gas are got rid of step by step, the waste gas of handling up to standard discharges through the aiutage aloft, the device exhaust-gas treatment is efficient, purifying effect is good, the operation energy consumption is low, be favorable to energy-concerving and environment-protective;
2. the utility model discloses an organosilicon production trade exhaust-gas treatment device process design is reasonable, and equipment is small in quantity, and investment and running cost are low, and each device is established ties and is set up, easy operation, and the device operation is reliable and stable, is favorable to serialization processing waste gas, is fit for popularizing and applying.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a simplified process flow diagram of the waste gas treatment device in the organic silicon production industry of the present invention;
FIG. 2 is a process flow diagram of the waste gas treatment device in the organic silicon production industry of the present invention.
In the figure: 1-a gas collecting hood, 2-a gas collecting pipe, 3-a condensing device, 31-a first liquid discharge pipe, 4-an alkaline washing device, 41-a gas inlet, 42-a gas outlet, 43-a cyclone plate, 44-a spraying device, 45-a demisting component, 46-an alkali liquor circulating pipe, 461-an alkali liquor circulating pump, 462-an alkali liquor discharge pipe, 47-a liquid supplementing pipe, 48-a floating ball type liquid level switch, 5-a high-efficiency demisting device, 51-a fin type condenser, 52-a baffle plate demister, 53-a silk screen demister, 54-a second liquid discharge pipe, 6-an activated carbon adsorption device, 61-a gas inlet, 62-a gas outlet, 63-an activated carbon adsorption bed, 64-an activated carbon filling port, 65-an activated carbon discharging port and 7-an exhaust barrel, 8-a first suction fan, 9-a second suction fan.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for better illustration of the present embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The description of "first", "second", etc. referred to in the embodiments of the present invention is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated, whereby the features defined as "first", "second", etc. may explicitly or implicitly include at least one such feature.
Meanwhile, the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, so to speak, connected internally to the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
For the purpose of clearly understanding the technical features, objects, and effects of the present invention, the detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-2, a waste gas treatment device in the organic silicon production industry comprises a gas collecting hood 1, a gas collecting pipe 2, a condensing device 3, an alkali washing device 4, a high-efficiency demisting device 5, an active carbon adsorption device 6 and an exhaust funnel 7 which are sequentially connected through a pipeline;
the gas collecting hood 1 is used for collecting waste gas generated by a waste gas source and conveying the waste gas to a subsequent device for treatment through the gas collecting pipe 2;
the condensing device 3 is used for carrying out condensation pretreatment on the waste gas;
the alkali washing device 4 is used for washing and absorbing water-soluble components and acidic components in the waste gas;
the efficient demisting device 5 is used for condensing and demisting the washed waste gas;
the activated carbon adsorption device 6 is used for carrying out adsorption treatment on organic matters in the water-removed and demisted waste gas;
the exhaust funnel 7 is used for discharging the treated waste gas at high altitude.
High-efficient defogging device 5 is along horizontal setting, has set gradually finned condenser 51 and two-stage defogging part along the air current direction in the high-efficient defogging device 5, lets in recirculated cooling water (7 ℃ -25 ℃) in the coil pipe in the finned condenser 51 and carries out the cooling condensation as condensing medium to waste gas is indirect, two-stage defogging part includes baffling board defroster 52 and silk screen defroster 53, and finned condenser 51, baffling board defroster 52 and silk screen defroster 53 are the mutual interval and vertical parallel arrangement. High-efficient defroster adopts the processing mode of condensation defogging again earlier, and the moisture condensation in the waste gas becomes liquid earlier promptly, carries out the dewatering defogging again, can effectively improve dewatering and defogging efficiency, and furthest reduces the moisture content in the waste gas through alkali cleaning treatment, prevents that waste gas from smuggleing moisture secretly in a large number and getting into aftertreatment device and aggravating its processing load, influences organic exhaust-gas treatment effect.
The side wall of the alkaline washing device 4 is provided with a gas inlet 41, the top of the alkaline washing device 4 is provided with a gas outlet 42, the inside of the alkaline washing device 4 is provided with a rotational flow plate 43, a spraying device 44 and a demisting component 45 at intervals from bottom to top, and the bottom of the spraying device 44 is provided with a plurality of spiral nozzles; the outside of the alkali washing device 4 is provided with an alkali liquor circulating pipe 46 for communicating the bottom of the alkali washing device 4 with the spraying device 44, the alkali liquor circulating pipe 46 is provided with an alkali liquor circulating pump 461, and the alkali liquor circulating pipe 46 is further provided with an alkali liquor discharging pipe 462 leading to a factory sewage treatment system in a branching manner.
The rotational flow plates 43 in the alkaline washing device 4 can be arranged in multiple layers, and because the rotational flow plates have guiding and relay functions, the kinetic energy of the upward flowing waste gas is utilized to generate pneumatic rotational flow, the upward flowing waste gas and the downward sprayed alkali liquor are in full gas-liquid two-phase contact, the mass transfer efficiency is high, and water-soluble components and acid components in the waste gas can be effectively absorbed and removed.
The bottom of the alkali washing device 4 is provided with a liquid supplementing pipe 47 in a matching way for supplementing alkali liquor or tap water into the alkali washing device 4, and a floating ball type liquid level switch 48 connected with the liquid supplementing pipe 47 is arranged inside the alkali washing device 4.
The demisting component 45 in the alkaline washing device 4 is provided with two layers, and a baffle plate demister and a wire mesh demister are respectively adopted. When the gas-liquid mixture in the waste gas passes through the baffle plate demister and the wire mesh demister, under the interception effect of the gas-liquid mixture, liquid drops and particles are enriched on the surface of the demister, and are aggregated into larger liquid drops or particles after a certain time and fall freely by the gravity of the gas-liquid mixture, so that the moisture content in the waste gas is reduced, and the load of a subsequent treatment device is lightened.
The activated carbon adsorption device 6 is arranged along the transverse direction, the front end of the activated carbon adsorption device is provided with an air inlet 61, the rear end of the activated carbon adsorption device is provided with an air outlet 62, and at least one layer of activated carbon adsorption bed 63 is vertically arranged in the activated carbon adsorption device 6; the waste gas enters the activated carbon adsorption device 6 through the gas inlet 61, flows transversely, passes through the activated carbon adsorption bed 63, is subjected to adsorption treatment and then is discharged from the gas outlet 62.
The top of active carbon adsorption device 6 is provided with active carbon filling opening 64, and the bottom of active carbon adsorption device 6 is provided with active carbon discharge opening 65, and loading and unloading active carbon is convenient and fast, is convenient for periodically change the active carbon.
A first suction fan 8 is arranged on a pipeline between the condensing device 3 and the alkaline cleaning device 4, and a second suction fan 9 is arranged on a pipeline between the active carbon adsorption device 6 and the exhaust funnel 7 and used for sucking waste gas to smoothly flow in the device, so that the waste gas treatment efficiency is improved.
The condensing device 3 adopts a finned condenser, utilizes circulating cooling water (7-25 ℃) to carry out cooling and condensing pretreatment on the waste gas, carries out cooling and condensing on the waste gas in advance, removes a part of liquid in the waste gas, and reduces the load of a subsequent treatment device.
The bottom of condensing equipment 3 is provided with first fluid-discharge tube 31, and the bottom of high-efficient defogging device 5 is provided with second fluid-discharge tube 54, and first fluid-discharge tube 31 and second fluid-discharge tube 54 all lead to the sewage treatment system in factory, can regularly discharge the liquid that condensation and defogging produced in condensing equipment 3 and the high-efficient defogging device 5 through first fluid-discharge tube 31 and second fluid-discharge tube 54, prevent that it from gathering the inside processing space of influence device.
The utility model discloses an organosilicon production trade exhaust treatment device's process flow does: the waste gas that the waste gas source produced is collected in unison through gas collecting channel 1 after, carry to condensing equipment 3 by gas collecting pipe 2, carry out the cooling condensation to waste gas in advance and detach a part of liquid in the waste gas, then waste gas gets into alkali cleaning device 4, water-soluble composition and the acid composition in the washing absorption waste gas, waste gas after alkali cleaning treatment gets into high-efficient defogging device 5 next, after the mode processing of condensation defogging again earlier, furthest reduces the moisture content in the waste gas, follow-up waste gas gets into active carbon adsorption device 6, pollutant component in the waste gas is adsorbed by active carbon, waste gas after the adsorption treatment purification discharges through aiutage 7 aloft.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A waste gas treatment device in the organic silicon production industry is characterized by comprising a gas collecting hood, a gas collecting pipe, a condensing device, an alkali washing device, a high-efficiency demisting device, an active carbon adsorption device and an exhaust funnel which are sequentially connected through a pipeline;
the gas collecting hood is used for collecting waste gas generated by a waste gas source and conveying the waste gas to a subsequent device for treatment through the gas collecting pipe;
the condensing device is used for carrying out condensation pretreatment on the waste gas;
the alkaline washing device is used for washing and absorbing water-soluble components and acidic components in the waste gas;
the efficient demisting device is used for condensing and demisting the waste gas after washing treatment;
the activated carbon adsorption device is used for adsorbing organic matters in the water-removed and demisted waste gas;
and the waste gas conveyed by the gas collecting pipe is subjected to condensation, alkali washing, demisting and adsorption treatment by the condensing device, the alkali washing device, the high-efficiency demisting device and the activated carbon adsorption device in sequence, and then is discharged by the exhaust funnel.
2. The waste gas treatment device for the organosilicon production industry as claimed in claim 1, wherein the high-efficiency demisting device is arranged in a transverse direction, a condensing part and a two-stage demisting part are sequentially arranged in the high-efficiency demisting device along an airflow direction, the condensing part is a finned condenser, the two-stage demisting part comprises a baffle plate demister and a wire mesh demister, and the finned condenser, the baffle plate demister and the wire mesh demister are arranged in parallel and vertically at intervals.
3. The waste gas treatment device in the organosilicon production industry according to claim 2, wherein a gas inlet is arranged on the side wall of the alkaline washing device, a gas outlet is arranged on the top of the alkaline washing device, a rotational flow plate, a spraying device and a demisting component are arranged in the alkaline washing device at intervals from bottom to top, and a plurality of spiral nozzles are arranged at the bottom of the spraying device;
the alkali washing device is characterized in that an alkali liquor circulating pipe used for communicating the bottom of the alkali washing device with the spraying device is arranged outside the alkali washing device, an alkali liquor circulating pump is arranged on the alkali liquor circulating pipe, and an alkali liquor discharging pipe is further arranged on the alkali liquor circulating pipe in a branching manner.
4. The waste gas treatment device in the organic silicon production industry according to claim 3, wherein a liquid replenishing pipe is arranged at the bottom of the alkali washing device in a matched mode and used for replenishing alkali liquor or tap water in the alkali washing device, and a floating ball type liquid level switch connected with the liquid replenishing pipe is arranged inside the alkali washing device.
5. The waste gas treatment device in the organic silicon production industry as claimed in claim 4, wherein the demisting component in the alkaline washing device is provided with two layers, and a baffle demister and a wire mesh demister are respectively adopted.
6. The waste gas treatment device in the organosilicon production industry as claimed in claim 5, wherein the activated carbon adsorption device is arranged along the horizontal direction, the front end of the activated carbon adsorption device is provided with an air inlet, the rear end of the activated carbon adsorption device is provided with an air outlet, and at least one layer of activated carbon adsorption bed is vertically arranged in the activated carbon adsorption device;
and the waste gas enters the activated carbon adsorption device through the gas inlet, flows transversely, passes through the activated carbon adsorption bed, and is discharged from the gas outlet after adsorption treatment.
7. The waste gas treatment device in the organosilicon production industry as claimed in claim 6, wherein the top of the activated carbon adsorption device is provided with an activated carbon filling opening, and the bottom of the activated carbon adsorption device is provided with an activated carbon discharging opening.
8. The waste gas treatment device for the organic silicon production industry according to any one of claims 1 to 7, wherein a first suction fan is arranged on a pipeline between the condensing device and the alkaline cleaning device, and a second suction fan is arranged on a pipeline between the activated carbon adsorption device and the exhaust funnel.
9. The waste gas treatment device for the organosilicon production industry as claimed in claim 8, wherein the condensing device adopts a finned condenser or a shell and tube condenser, and the waste gas is cooled and condensed by circulating cooling water.
10. The waste gas treatment device in the organosilicon production industry as claimed in claim 9, wherein a first liquid discharge pipe is arranged at the bottom of the condensing device, a second liquid discharge pipe is arranged at the bottom of the high-efficiency demisting device, and the first liquid discharge pipe and the second liquid discharge pipe are both communicated with a sewage treatment system for discharging liquid generated by condensation or demisting.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247255A (en) * | 2021-12-16 | 2022-03-29 | 内蒙古恒星化学有限公司 | Method and system for treating rectification tail gas in organic silicon production |
| CN114345062A (en) * | 2021-12-31 | 2022-04-15 | 万华化学集团股份有限公司 | Scrubber and extruder volatile waste gas treatment method |
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2020
- 2020-12-17 CN CN202023050321.2U patent/CN214597307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247255A (en) * | 2021-12-16 | 2022-03-29 | 内蒙古恒星化学有限公司 | Method and system for treating rectification tail gas in organic silicon production |
| CN114345062A (en) * | 2021-12-31 | 2022-04-15 | 万华化学集团股份有限公司 | Scrubber and extruder volatile waste gas treatment method |
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