CN111359404A - Processing system for purifying industrial organic waste gas VOCs by using nano micro bubbles - Google Patents
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/34—Chemical or biological purification of waste gases
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Abstract
A treatment system for purifying industrial organic waste gas VOCs by using nano microbubbles; including industrial waste gas pipeline, water supply pipeline, nanometer microbubble pipeline and nanometer microbubble purification treatment ware industrial waste gas in nanometer microbubble purification treatment ware, with enter into the nanometer microbubble in the nanometer microbubble purification treatment ware, combine together, dissolve with the medium that sets up the intraductal high pressure running water again. Because the nanometer microbubble generates cavitation effect, water molecule groups are irregularly collided with each other in a Brownian motion mode all the time, a large amount of hydroxyl and free radicals are released under the condition that bubbles are broken, and physical and chemical mixed reactions such as mechanical shearing, pyrolysis, free radical oxidation, supercritical water oxidation and the like are carried out on the water molecule groups and captured industrial organic waste gas (VOCs) pollutants, so that the gas effect of decomposing and removing the VOCs is achieved, secondary pollutants cannot be generated after purification, and the best effect of VOCs treatment is achieved with the lowest treatment cost.
Description
Technical Field
The invention relates to purification of industrial organic waste gas VOCs by using nano microbubbles, in particular to purification treatment of industrial organic waste gas VOCs generated in a high-temperature production process in the production process of the light industrial textile printing and dyeing industry.
Background
With the progress of society and the continuous development of industry, the increasingly serious discharge and treatment of the VOCs in the industrial organic waste gas are more and more concerned. The quality of the atmospheric environment is improved, and the requirement on the emission control of the industrial organic waste gas VOCs is continuously improved. At present, means and equipment for treating and purifying industrial organic waste gas are diversified, and the existing means and equipment adopting filtration, precipitation adsorption, activated carbon, electrostatic bombardment and the like are far from meeting the increasingly improved and perfect emission standard.
The treatment system for purifying the VOCs in the industrial organic waste gas by adopting the nano micro bubbles has the advantages of low treatment cost, small occupied area, no secondary pollution, very positive practical significance and wide application prospect.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a system for purifying industrial organic waste gas VOCs by using nano microbubbles, wherein the purification treatment method is different from common catalytic combustion methods, adsorption catalytic combustion methods, activated carbon adsorption methods and the like. The treatment system for purifying the VOCs in the industrial organic waste gas by the nano microbubbles adopts the principle that the nano microbubbles degrade the VOCs gas, uses high-pressure tap water as power, generates the nano microbubbles through the nano microbubble generating device, achieves the decomposition and removal of the VOCs in the industrial organic waste gas by utilizing the cavitation effect of the nano microbubbles, has the treatment efficiency of more than 90 percent or higher, and can reach the organic waste gas emission standard specified by the state, the place and the industry.
The technical scheme adopted by the invention for solving the technical problems is as follows: a processing system for purifying VOCs in industrial organic waste gas by using nano microbubbles comprises an industrial waste gas pipeline, a tap water pipeline, a nano microbubble conveying pipeline and a nano microbubble purifying processor.
Industrial waste gas is input to the bottom of the nanometer microbubble purification processor through a waste gas pipeline, wherein the upper part of the nanometer microbubble purification processor comprises a treatment area A, a treatment area B, a treatment area C and a treatment area D; the industrial waste gas passes through the treatment area A, the treatment area B, the treatment area C and the treatment area D in sequence.
Tap water is pressurized by a high-pressure tap water pump 6 and then is respectively injected into a treatment area A, a treatment area B, a treatment area C and a treatment area D of the nanometer microbubble purification processor in four ways through a tap water pipeline 7.
The nano-micro-bubble generator 8 is divided into four paths via a nano-micro-bubble delivery pipe 9 and is respectively injected into a processing area a, a processing area B, a processing area C and a processing area D of the nano-micro-bubble purification processor.
Wherein, in processing zone A, processing zone B, processing zone C and processing zone D, high pressure running water injector head all is located the top of nanometer microbubble injector head. The nanometer microbubbles generated by the nanometer microbubble generator 8, the high-pressure tap water and the industrial waste gas are mixed, and the industrial waste gas in the nanometer microbubble purification processor is purified by utilizing the physical and chemical reaction of the mixture. Specifically, the industrial waste gas is combined and dissolved with the nano-micro-bubbles input into the nano-micro-bubble purification processor and the medium of the high-pressure tap water arranged in the pipe in the nano-micro-bubble purification processor; because the nanometer microbubbles generate cavitation effect, water molecule groups of the nanometer microbubbles are subjected to irregular collision of Brownian operation all the time and are subjected to irregular collision continuously, the nanometer bubbles are contacted with organic waste gas (VOCs), a large amount of hydroxyl and free radicals are released after the bubbles are broken, and the nanometer bubbles and captured VOCs bodies of industrial organic waste gas generate physical and chemical reactions of mechanical shearing, pyrolysis, free radical oxidation and supercritical water oxidation, so that the effect of decomposing and removing VOCs gas is achieved; conversion of Organic Substances (VOCs) to CO2、H2O、N2And other harmless micromolecules, thereby achieving the purpose of purifying industrial organic waste gases (VOCs). No secondary pollutant is generated after purification. The best effect of VOCs treatment is achieved with the lowest operation cost.
The invention also has the following additional technical features:
the technical scheme of the invention is further specifically optimized as follows: the bottom end of the nanometer microbubble purification processor is provided with a cyclone dust collector 10, and the cyclone dust collector 10 is connected with a wastewater purifier 11; the waste water purifier 11 is connected to the clean water tank 12, the clean water tank 12 is connected to the atomization oxygenator 13, and the atomization oxygenator 13 is connected to the nano micro-bubble generator 8.
The technical scheme of the invention is further specifically optimized as follows: treatment zone a comprises the area between attachment flange a1 and attachment flange b 2; treatment zone B comprises the area between attachment flange B2 and attachment flange c 3; process zone C comprises the area between attachment flange C3 and attachment flange d 4; the treatment zone D comprises the zone between the attachment flange D4 and the attachment flange e 5.
The technical scheme of the invention is further specifically optimized as follows: the top of nanometer microbubble purification treatment ware is provided with terminal water trap 14, and the top of terminal water trap 14 is provided with on-line monitoring unit 15, and the top of on-line monitoring unit 15 is provided with emission chimney 16. The nano microbubble purification processor utilizes the on-line monitoring unit 15 to remotely control and monitor, and performs emission quality monitoring on the quality of the purification treatment industrial organic waste gas treatment gas at any time to monitor whether the emission standard is met; exhaust gas meeting emission standards is discharged through an exhaust stack 16.
The technical scheme of the invention is further specifically optimized as follows: and a fire damper 17 is arranged at the joint of the waste gas pipeline and the nano micro-bubble purification processor.
The technical scheme of the invention is further specifically optimized as follows: the high-pressure tap water spray head is an annular high-pressure tap water sprayer which is uniformly distributed on the sprayer by a spray nozzle 8;
the technical scheme of the invention is further specifically optimized as follows: the nanometer microbubble injector head is a nanometer microbubble annular ejector; the number of the nanometer microbubble annular eruption devices is 8; the nanometer microbubble annular eruption device is installed by inclining 45 degrees downwards.
The technical scheme of the invention is further specifically optimized as follows: the nanometer microbubble annular sprayer adopts a high-pressure fine nozzle with the length of 49.5mm, the nozzle main body is hexagonal and is 206mm, the nozzle cap is hexagonal and is 17.5mm, and the nozzle material code is 316 SS.
Compared with the prior art, the invention has the advantages that:
the treatment system for purifying the VOCs in the industrial organic waste gas by the nano microbubbles adopts the principle that the nano microbubbles eliminate or degrade the VOCs gas, uses high-pressure tap water as power, generates the nano microbubbles through the nano microbubble generating device, decomposes and removes the VOCs in the industrial organic waste gas by utilizing the cavitation effect generated by the nano microbubbles, has the treatment efficiency of more than 90 percent or higher, and can reach the organic waste gas emission standard specified by the state, the place and the industry.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 of 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 schematic diagram of the overall structure of a processing apparatus system according to the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic sectional view of the structure of B-B in FIG. 1;
fig. 4 is a schematic view of an installation structure of the nano-microbubble annular burner of the present invention;
fig. 5 is a schematic view of an installation structure of the nano-microbubble annular burner of the present invention;
fig. 6 is a schematic view of an installation structure of the nano-micro bubble annular burner of the present invention;
fig. 7 is a schematic view of an installation structure of the nano-microbubble annular hair spray of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, in order that the present disclosure may be more fully understood and fully conveyed to those skilled in the art. While the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the invention is not limited to the embodiments set forth herein.
The terms "first," "second," and the like in the description herein are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
A processing system for purifying VOCs in industrial organic waste gas by using nano micro bubbles is shown in figure 1 and comprises an industrial waste gas pipeline, a tap water pipeline, a nano micro bubble conveying pipeline and a nano micro bubble purifying processor.
The upper part of the nanometer microbubble purification processor comprises a processing area A, a processing area B, a processing area C and a processing area D; treatment zone a comprises the area between attachment flange a1 and attachment flange b 2; treatment zone B comprises the area between attachment flange B2 and attachment flange c 3; process zone C comprises the area between attachment flange C3 and attachment flange d 4; the treatment zone D comprises the zone between the attachment flange D4 and the attachment flange e 5.
Industrial waste gas is input to the bottom of the nanometer microbubble purification processor through a waste gas pipeline; and a fire damper 17 is arranged at the joint of the waste gas pipeline and the nano micro-bubble purification processor. The industrial waste gas passes through the treatment area A, the treatment area B, the treatment area C and the treatment area D in sequence.
Tap water is pressurized by a high-pressure tap water pump 6 and then is respectively injected into a treatment area A, a treatment area B, a treatment area C and a treatment area D of the nanometer microbubble purification processor in four ways through a tap water pipeline 7.
The nano-micro-bubble generator 8 is divided into four paths via a nano-micro-bubble delivery pipe 9 and is respectively injected into a processing area a, a processing area B, a processing area C and a processing area D of the nano-micro-bubble purification processor.
Wherein, in processing zone A, processing zone B, processing zone C and processing zone D, high pressure running water injector head all is located the top of nanometer microbubble injector head.
The high-pressure tap water spray head is an annular high-pressure tap water sprayer which is uniformly distributed on the sprayer by a spray nozzle 8.
The nanometer microbubble injector head is a nanometer microbubble annular ejector; the number of the nanometer microbubble annular eruption devices is 8; the nanometer microbubble annular eruption device is installed by inclining 45 degrees downwards. The nanometer microbubble annular sprayer adopts a high-pressure fine nozzle with the length of 49.5mm, the nozzle main body is hexagonal and is 206mm, the nozzle cap is hexagonal and is 17.5mm, and the nozzle material code is 316 SS.
The bottom end of the nanometer microbubble purification processor is provided with a cyclone dust collector 10, and the cyclone dust collector 10 is connected with a wastewater purifier 11; the waste water purifier 11 is connected to the clean water tank 12, the clean water tank 12 is connected to the atomization oxygenator 13, and the atomization oxygenator 13 is connected to the nano micro-bubble generator 8.
The nanometer microbubbles generated by the nanometer microbubble generator 8, the high-pressure tap water and the industrial waste gas are mixed, and the industrial waste gas in the nanometer microbubble purification processor is purified by utilizing the physical and chemical reaction of the mixture. Specifically, the industrial waste gas is combined and dissolved with the nano-micro-bubbles input into the nano-micro-bubble purification processor and the medium of the high-pressure tap water arranged in the pipe in the nano-micro-bubble purification processor; because the nanometer microbubbles generate cavitation effect, water molecule groups of the nanometer microbubbles are subjected to irregular collision of Brownian operation all the time and are subjected to irregular collision continuously, the nanometer bubbles are contacted with organic waste gas (VOCs), a large amount of hydroxyl and free radicals are released after the bubbles are broken, and the nanometer bubbles and captured VOCs bodies of industrial organic waste gas generate physical and chemical reactions of mechanical shearing, pyrolysis, free radical oxidation and supercritical water oxidation, so that the effect of decomposing and removing VOCs gas is achieved; conversion of Organic Substances (VOCs) to CO2、H2O、N2And other harmless micromolecules, thereby achieving the purpose of purifying industrial organic waste gases (VOCs). No secondary pollutant is generated after purification. Achieving VOCs control with minimal operating costThe best effect of the theory.
The top of nanometer microbubble purification treatment ware is provided with terminal water trap 14, and the top of terminal water trap 14 is provided with on-line monitoring unit 15, and the top of on-line monitoring unit 15 is provided with emission chimney 16. The nano microbubble purification processor utilizes the on-line monitoring unit 15 to remotely control and monitor, and performs emission quality monitoring on the quality of the purification treatment industrial organic waste gas treatment gas at any time to monitor whether the emission standard is met; exhaust gas meeting emission standards is discharged through an exhaust stack 16.
Examples
Nanometer microbubble, bubble diameter unit MNB, bubble diameter when the bubble takes place is between 10 microns to hundreds of nanometers bubble, and this kind of bubble is between micron bubble and nanometer bubble, has the physical and chemical characteristics that conventional bubble did not possess.
The nanometer microbubbles are input into the nanometer microbubble purification processor through the nanometer microbubble transmission pipeline 9. The nanometer microbubble purification processor is a cylindrical cavity body, and two ends are standard connecting flanges. The nanometer microbubble purification processor determines the number of the nanometer microbubble purification processing reactors used in connection according to the concentration of the purification processing waste gas. The number of the purification treatment reactors of the nano microbubble purification processor is determined according to the VOCs treatment data monitored and analyzed on line. And a circular nanometer microbubble jet pipe is arranged in the cylindrical cavity of the nanometer microbubble purification processor.
The circular nanometer microbubble jet pipe arranged in the cylindrical cavity of the nanometer microbubble purification processor is provided with 8 stainless steel nanometer microbubble jet heads which are nanometer microbubble annular eruptors; the nanometer micro-bubble annular eruption device is uniformly distributed in the circumference. In the cylindrical cavity of the nanometer microbubble purification processor, a high-pressure tap water spray head is arranged above the installed round nanometer microbubble eruption pipe, and the high-pressure tap water spray head is an annular high-pressure tap water eruption device. Meanwhile, 8 stainless steel fine nozzles are also arranged on the annular high-pressure tap water sprayer and are uniformly distributed in the circumferential direction of the circular high-pressure pipe for spraying high-pressure tap water.
The nanometer microbubbles have physical and chemical characteristics which are not possessed by the conventional bubbles, namely when industrial waste gas passes through the cylindrical cavity, the nanometer microbubbles are sprayed out and combined with high-pressure tap water sprayed at the upper end of the nanometer microbubble spraying pipe to generate physical and chemical reactions, a large number of nanometer microbubbles generate a large number of oxygen anions to release a large number of hydroxyl and free radicals when being dissolved and broken by the high-pressure tap water, and the hydroxyl and the free radicals and organic gas in the purification processor are subjected to mechanical shearing, pyrolysis and free radical oxidation to decompose and remove VOCs gas.
The installation angle of 8 stainless steel high-precision nozzles installed on the nanometer microbubble purification processor is 45 degrees downwards inclined based on the horizontal plane.
The installation angle of the high-pressure tap water nozzle of the nanometer microbubble purification processor arranged on the round high-pressure tap water injection pipe is 45 degrees downwards inclined based on the horizontal plane.
The number of the nano microbubble purification treatment reactors is generally not less than 4 groups.
The annular nanometer micro-bubble nozzles in adjacent groups of nanometer micro-bubble purification processors are uniformly distributed with angles, and the adjacent groups of angles are not overlapped, namely the angle difference between the upper nozzle and the lower nozzle of the upper annular pipe is 22.5 degrees.
Nanometer microbubble purification treatment ware, in order to further more effective utilization nanometer microbubble purification treatment industrial organic waste gas VOCs, to the aassessment of purification quality, carry out on-line monitoring to the gas after the purification. This device is installed on nanometer microbubble VOCs exhaust purification treater top, the gas emission department after the purification treatment.
The on-line monitoring unit 15 includes an on-line detection probe sampling. A set of gas sensors and a plurality of gas sensor analyzers are operatively associated. And identifying and detecting the content of various components in the flue gas after the nano microbubble purification treatment is finished, such as benzene, xylene, styrene and ethylene. And the CTSY-DS29 data acquisition unit summarizes the detection result and whether the gas component content reaches the emission standard, and the detection result and the gas component content are processed by the processor. And (3) processing results processed by the processor pass through the Internet 3G, 3GGPSR/CDNI → IP data packet → environmental protection monitoring center to complete the purification treatment of the industrial organic waste gas by the nano microbubble purification treatment industrial organic waste gas equipment system, and the purification reaches the standard and is discharged.
Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that these embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes that can be used in the present specification and drawings, or used directly or indirectly in other related fields are encompassed by the present invention.
Claims (8)
1. The utility model provides a nanometer microbubble purifies industrial organic waste gas VOCs's processing system which characterized in that: comprises an industrial waste gas pipeline, a tap water pipeline, a nanometer microbubble conveying pipeline and a nanometer microbubble purifying processor; wherein:
industrial waste gas enters the bottom of the nanometer microbubble purification processor through a waste gas pipeline, wherein the upper part of the nanometer microbubble purification processor comprises a treatment area A, a treatment area B, a treatment area C and a treatment area D; the industrial waste gas sequentially passes through a treatment area A, a treatment area B, a treatment area C and a treatment area D;
after being pressurized by a high-pressure tap water pump (6), tap water is respectively injected into a treatment area A, a treatment area B, a treatment area C and a treatment area D of the nanometer microbubble purification processor in four ways through a tap water pipeline (7);
the nanometer microbubble generator (8) is divided into four paths through a nanometer microbubble conveying pipeline (9) and is respectively injected into a processing area A, a processing area B, a processing area C and a processing area D of the nanometer microbubble purification processor;
wherein, in the treatment area A, the treatment area B, the treatment area C and the treatment area D, the high-pressure tap water spray heads are all positioned above the nanometer microbubble spray heads;
nanometer microbubbles generated by the nanometer microbubble generator (8), high-pressure tap water and industrial waste gas are mixed, and the physical and chemical reactants are utilized to purify the industrial waste gas in the nanometer microbubble purification processor.
2. The system of claim 1, wherein the system is used for processing industrial organic waste gas VOCs by nanometer microbubble purification, and comprises: the bottom end of the nanometer microbubble purification processor is provided with a cyclone dust collector (10), and the cyclone dust collector (10) is connected with a wastewater purifier (11); the waste water purifier (11) is connected with the clean water tank (12), the clean water tank (12) is connected with the atomization oxygenator (13), and the atomization oxygenator (13) is connected with the nanometer micro-bubble generator (8).
3. The system of claim 1, wherein the system is used for processing industrial organic waste gas VOCs by nanometer microbubble purification, and comprises: the treatment area A comprises an area between a connecting flange a (1) and a connecting flange b (2); the treatment zone B comprises the zone between the connection flange B (2) and the connection flange c (3); the treatment zone C comprises the zone between the connection flange C (3) and the connection flange d (4); the treatment region D includes a region between the connection flange D (4) and the connection flange e (5).
4. The system of claim 1, wherein the system is used for processing industrial organic waste gas VOCs by nanometer microbubble purification, and comprises: the top of nanometer microbubble purification treatment ware is provided with terminal water trap (14), and the top of terminal water trap (14) is provided with on-line monitoring unit (15), and the top of on-line monitoring unit (15) is provided with emission chimney (16).
5. The system of claim 1, wherein the system is used for processing industrial organic waste gas VOCs by nanometer microbubble purification, and comprises: and a fire damper (17) is arranged at the joint of the waste gas pipeline and the nano micro-bubble purification processor.
6. The system of claim 1, wherein the system is used for processing industrial organic waste gas VOCs by nanometer microbubble purification, and comprises: the high-pressure tap water spray head is an annular high-pressure tap water sprayer which is uniformly distributed on the sprayer by a spray nozzle 8.
7. The system of claim 1, wherein the system is used for processing industrial organic waste gas VOCs by nanometer microbubble purification, and comprises: the nanometer microbubble injector head is a nanometer microbubble annular ejector; the number of the nanometer microbubble annular eruption devices is 8; the nanometer microbubble annular eruption device inclines downwards for 45 degrees.
8. The system of claim 7, wherein the system is used for processing industrial organic waste gas VOCs by nanometer microbubble purification, and comprises: the nanometer microbubble annular sprayer adopts a high-pressure fine nozzle with the length of 49.5mm, the nozzle main body is hexagonal and is 206mm, the nozzle cap is hexagonal and is 17.5mm, and the nozzle material code is 316 SS.
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| CN202010226413.7A CN111359404A (en) | 2020-03-26 | 2020-03-26 | Processing system for purifying industrial organic waste gas VOCs by using nano micro bubbles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546776A (en) * | 2020-11-23 | 2021-03-26 | 珠海格力智能装备有限公司 | Air conditioning system pipeline piece welding waste gas treatment device and use method |
| KR102452117B1 (en) * | 2021-04-02 | 2022-10-07 | 한국생산기술연구원 | Mixed gas purifying apparatus using microbubble and method of purifying mixed gas using same |
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2020
- 2020-03-26 CN CN202010226413.7A patent/CN111359404A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546776A (en) * | 2020-11-23 | 2021-03-26 | 珠海格力智能装备有限公司 | Air conditioning system pipeline piece welding waste gas treatment device and use method |
| CN112546776B (en) * | 2020-11-23 | 2022-04-22 | 珠海格力智能装备有限公司 | Air conditioning system pipeline piece welding waste gas treatment device and use method |
| KR102452117B1 (en) * | 2021-04-02 | 2022-10-07 | 한국생산기술연구원 | Mixed gas purifying apparatus using microbubble and method of purifying mixed gas using same |
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