CN209968118U - Volatile organic waste gas's on-line monitoring and catalytic treatment system - Google Patents
Volatile organic waste gas's on-line monitoring and catalytic treatment system Download PDFInfo
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- CN209968118U CN209968118U CN201920589734.6U CN201920589734U CN209968118U CN 209968118 U CN209968118 U CN 209968118U CN 201920589734 U CN201920589734 U CN 201920589734U CN 209968118 U CN209968118 U CN 209968118U
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- 239000007789 gas Substances 0.000 title claims abstract description 44
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 25
- 239000010815 organic waste Substances 0.000 title claims abstract description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 9
- 239000002912 waste gas Substances 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 239000012855 volatile organic compound Substances 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
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Abstract
The utility model discloses an on-line monitoring and catalytic treatment system for volatile organic waste gas, which comprises a trapezoidal collecting bin, a suction device, a primary filtering bin, a catalytic reaction chamber and a solution mixing chamber, a first on-line monitor, a controller and a display screen are arranged on the trapezoidal collecting bin, a filter screen is arranged in the primary filtering bin, a first air blowing device is arranged on the side edge of the primary filtering bin, the bottom of the primary filtering bin is fed into the bottom of the catalytic reaction chamber through a first air feeding pipe, a hydrogen peroxide collecting chamber is arranged above the catalytic reaction chamber and is connected with a spray header through a water pump, the lower part of the primary filter bin is provided with a catalytic combustion chamber relative to the left side of the filter screen, the output end of the catalytic combustion chamber is connected with a filter chamber, the upper part of the catalytic reaction chamber is connected with a heat conversion chamber through a hot gas outlet, an ultraviolet lamp is arranged in the heat conversion chamber, and the heat conversion chamber is sleeved with a water storage chamber. The structure is simple in process, and the VOCs can be monitored on line.
Description
Technical Field
The utility model belongs to the technical field of a volatile organic waste gas's technique and specifically relates to a volatile organic waste gas's on-line monitoring and catalytic treatment system.
Background
VOCs (volatile organic compounds, volatile organic waste gas or VOCs waste gas for short) are toxic pollutants, mainly come from the industries of petrochemical industry, automobile engine tail gas, pharmacy and the like, and mainly comprise hydrocarbons, phenols, aromatic compounds and the like. Therefore, the treatment of the VOCs is more and more emphasized by countries in the world, and corresponding laws are issued by many countries to limit the emission of the VOCs.
The existing volatile organic waste gas treatment mode generally comprises recovery treatment and destruction treatment, but the recovery treatment is not thorough enough to treat the VOCs waste gas, the purification degree of the VOCs waste gas is relatively low, the destruction technology is relatively high in treatment cost because a large amount of treatment resources are consumed, and in addition, no online monitoring device is arranged in the two current treatment modes, so that the problem of treatment errors in the treatment process is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies of the prior art and providing an on-line monitoring and catalytic treatment system of volatile organic waste gas that the treatment effect is good, realize on-line monitoring and can avoid secondary pollution.
In order to achieve the above object, the utility model relates to an on-line monitoring and catalytic treatment system of volatile organic waste gas, including trapezoidal collection storehouse, aspirator, primary filter storehouse, catalytic reaction room and the solution mixing chamber that connect gradually, be equipped with first on-line monitor, controller and display screen on trapezoidal collection storehouse, be equipped with the filter screen that the slope set up in primary filter storehouse, and be equipped with the first air-blowing device that blows gas into the filter screen at the side of primary filter storehouse, the bottom of primary filter storehouse is sent into the bottom of catalytic reaction room through first air supply pipe, is equipped with hydrogen peroxide solution collection room above the catalytic reaction room, the hydrogen peroxide solution collection room is connected with the shower head of arranging in the catalytic reaction room through the water pump, is equipped with catalytic combustion room below primary filter storehouse for the left side of filter screen, is connected with the filter chamber at the output of catalytic combustion room, the top of catalytic reaction room has the heat conversion room through steam exit linkage, is equipped with the ultraviolet lamp in the heat conversion room, the outdoor cover of heat conversion has the reservoir chamber, be equipped with water inlet and delivery port on the reservoir chamber, the delivery port is connected with the heat preservation room, is equipped with second gas blowing device in one side of heat conversion room, the filter chamber passes through connecting tube and is connected with the heat conversion room, is equipped with the delivery outlet on the solution mixing chamber, is equipped with the electromagnetic shaker below the filter screen.
Further, improve and carry the effect, be equipped with spiral intake pipe in elementary filtration storehouse.
Further, for later stage convenient to detach, the side in elementary filtration storehouse articulates there is the apron, the spiral intake pipe is arranged in the apron.
Further, for the later stage improves the cleaning performance, be equipped with the first cylinder that pushes down gas or impurity in the top of elementary filtration storehouse, the output connection of first cylinder has the doctor-bar.
Further, improve and spray the effect, the shower head upper end is equipped with the rotatory automatic rotary mechanism of drive shower head.
Further improve the monitoring effect, be equipped with second on-line monitor and solenoid valve on the delivery outlet.
Further, a bag-type dust collector is arranged in the primary filtering bin.
Further, improve sealed effect, apron and elementary filtration storehouse one side are equipped with the sealing washer.
Further, a gear scraper is arranged on the scraping piece.
The utility model also discloses a volatile organic waste gas's on-line monitoring and catalytic treatment method, it specifically includes following step:
A) sucking the air with the VOCs gas from the trapezoidal collection bin into the primary filtering bin by using a suction device; detecting the concentration of VOCs gas in the air as the air passes through the trapezoidal collection bin using a first on-line monitor;
B) then when the first online monitor detects that the concentration value of the VOCs gas in the air is greater than the preset value in the controller, indicating that the VOCs gas in the air is too high, immediately sending the air into the primary filtering bin;
C) carrying out primary dust removal through a filter screen in the primary filter bin, and then sending the VOCs gas into a catalytic reaction chamber with a catalyst under the action of a first blowing device; at the moment, a water pump is driven to send the hydrogen peroxide in the hydrogen peroxide collecting chamber into a spray header, then the hydrogen peroxide reacts with a catalytic reaction chamber, and then the hydrogen peroxide is sent into a solution mixing chamber to be absorbed and then is discharged;
D) meanwhile, the catalytic reaction chamber can generate heat in the reaction process, the heat is sent into the heat conversion chamber and is sterilized by the ultraviolet lamp, the cold water in the water storage chamber is subjected to heat exchange, the cold water is changed into hot water and flows into the heat preservation chamber for standby, and the cold air in the heat conversion chamber is directly discharged;
E) meanwhile, after a period of time, the vibrator is started to send impurities on the filter screen into the catalytic combustion chamber for combustion, and the generated heat is sent into the heat conversion chamber through the filter chamber and is subjected to heat exchange after being sterilized by the ultraviolet lamp.
The utility model discloses the on-line monitoring and catalytic treatment system of a volatile organic waste gas who obtains, through above-mentioned structural design, realize carrying out online monitoring in advance to volatile organic waste gas, whole process is simple simultaneously, and the treatment effeciency is high, no advantages such as secondary pollution.
Drawings
FIG. 1 is a schematic diagram of an online monitoring and catalytic treatment system for VOC waste gas in example 1;
FIG. 2 is a schematic diagram showing the structure of an on-line monitoring and catalytic treatment system for VOC waste gas in example 2;
FIG. 3 is a schematic diagram of an online VOC (volatile organic compound) exhaust monitoring and catalytic processing system in example 3;
FIG. 4 is a schematic diagram of an online VOC (volatile organic compounds) monitoring and catalytic processing system in example 4.
In the reference symbols: the device comprises a trapezoid collecting bin 2, a suction device 3, a primary filtering bin 1, a catalytic reaction chamber 4, a solution mixing chamber 5, a first online monitor 6, a controller 7, a display screen 8, a filter screen 9, a first air blowing device 10, a first air supply pipe 11, a hydrogen peroxide collecting chamber 12, a water pump 13, a spray header 14, a catalytic combustion chamber 15, a filtering chamber 16, a hot air outlet 17, a heat conversion chamber 18, an ultraviolet lamp 19, a water storage chamber 20, a water inlet 21, a water outlet 22, a heat preservation chamber 23, a second air blowing device 24, an output port 25, a vibrator 26, a spiral air inlet pipe 27, a cover plate 28, a first air cylinder 29, a scraping blade 30, an automatic rotating mechanism 31, a second online monitor 33, an electromagnetic valve 32, a gear scraping blade 34, a sealing ring 35 and a connecting pipeline 36.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1:
as shown in fig. 1, the online monitoring and catalytic treatment system for volatile organic waste gas provided in this embodiment includes a trapezoidal collection bin 2, a suction device 3, a primary filtration bin 1, a catalytic reaction chamber 4 and a solution mixing chamber 5, which are connected in sequence, a first online monitor 6, a controller 7 and a display screen 8 are arranged on the trapezoidal collection bin 2, a filter screen 9 is arranged in the primary filtration bin 1 in an inclined manner, a first air blowing device 10 for blowing air into the filter screen 9 is arranged on a side edge of the primary filtration bin 1, the bottom of the primary filtration bin 1 is fed into the bottom of the catalytic reaction chamber 4 through a first air supply pipe 11, a hydrogen peroxide collection chamber 12 is arranged above the catalytic reaction chamber 4, the hydrogen peroxide collection chamber 12 is connected with a spray header 14 arranged in the catalytic reaction chamber 4 through a water pump 13, a catalytic combustion chamber 15 is arranged below the primary filtration bin 1 and on the left side of the filter screen 9, be connected with filter chamber 16 at catalytic combustion chamber 15's output, catalytic reaction chamber 4's top is connected with heat conversion room 18 through hot gas outlet 17, is equipped with ultraviolet lamp 19 in heat conversion room 18, heat conversion room 18 overcoat has reservoir chamber 20, be equipped with water inlet 21 and delivery port 22 on the reservoir chamber 20, delivery port 22 is connected with heat preservation room 23, is equipped with second gas blowing device 24 in one side of heat conversion room 18, filter chamber 16 is connected with heat conversion room 18 through connecting tube 36, is equipped with delivery outlet 25 on solution mixing chamber 5, is equipped with electromagnetic shaker 26 below filter screen 9.
The embodiment also discloses an online monitoring and catalytic treatment method of the volatile organic waste gas, which specifically comprises the following steps:
A) sucking air with VOCs gas from the trapezoidal collection bin 2 into the primary filtering bin 1 by using a suction device 3; detecting the concentration of VOCs gas in the air as the air passes through the trapezoidal collection bin 2 using a first on-line monitor 6;
B) then when the first online monitor 6 detects that the concentration value of the VOCs gas in the air is greater than the preset value in the controller 7, indicating that the VOCs gas in the air is too high, immediately sending the air into the primary filtering bin 1;
C) primary dust removal is carried out through a filter screen 9 in the primary filter bin 1, and then VOCs gas is sent into a catalytic reaction chamber 4 with a catalyst under the action of a first air blowing device 10; at the moment, the water pump 13 is driven to send the hydrogen peroxide in the hydrogen peroxide collecting chamber 12 into the spray header 14 to react with the catalytic reaction chamber 4, and then the hydrogen peroxide is sent into the solution mixing chamber 5 to be absorbed and then is discharged;
D) meanwhile, the catalytic reaction chamber 4 can generate heat in the reaction process, the heat is sent into the heat conversion chamber 18 and sterilized by the ultraviolet lamp 19, the cold water in the water storage chamber 20 is subjected to heat exchange, the cold water is changed into hot water and flows into the heat preservation chamber 23 for standby, and the cold air in the heat conversion chamber 18 is directly discharged;
E) meanwhile, after a period of time, the vibrator 26 is started to feed the impurities on the filter screen 9 into the catalytic combustion chamber 15 for combustion, and the generated heat is fed into the heat conversion chamber 18 through the filter chamber 16 and is sterilized by the ultraviolet lamp 19 for heat exchange.
Through above-mentioned structural design, realize carrying out online monitoring in advance to volatile organic waste gas, whole process is simple simultaneously, and the treatment effeciency is high, no secondary pollution's advantage such as.
Example 2:
as shown in fig. 2, the online monitoring and catalytic treatment system for the voc exhaust gas provided in this embodiment further improves the conveying effect, and a spiral air inlet pipe 27 is disposed in the primary filter bin 1.
Further, for later period convenient disassembly, the side edge of the primary filter bin 1 is hinged with a cover plate 28, and the spiral air inlet pipe 27 is arranged in the cover plate 28.
Example 3:
as shown in fig. 3, in the online monitoring and catalytic treatment system for the voc emission gas according to the present embodiment, further, in order to improve the cleaning effect in the later period, a first cylinder 29 for pressing down the gas or the impurities is disposed above the primary filter bin 1, and a scraper 30 is connected to an output of the first cylinder 29.
Further, a gear blade 34 is provided on the blade 30.
Example 4:
further, the spraying effect is improved, and an automatic rotating mechanism 31 for driving the spraying head 14 to rotate is arranged at the upper end of the spraying head 14.
Further improving the monitoring effect, a second on-line monitor 33 and an electromagnetic valve 32 are provided on the output port 25.
Further, a bag-type dust collector is arranged in the primary filtering bin 1.
Further, the sealing effect is improved, and the cover plate 28 and one side of the primary filter bin 1 are provided with a sealing ring 35.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The on-line monitoring and catalytic treatment system for the volatile organic waste gas is characterized by comprising a trapezoidal collection bin (2), a suction device (3), a primary filtering bin (1), a catalytic reaction chamber (4) and a solution mixing chamber (5) which are sequentially connected, wherein a first on-line monitor (6), a controller (7) and a display screen (8) are arranged on the trapezoidal collection bin (2), a filter screen (9) which is obliquely arranged is arranged in the primary filtering bin (1), a first air blowing device (10) which blows air into the filter screen (9) is arranged on the side edge of the primary filtering bin (1), the bottom of the primary filtering bin (1) is fed into the bottom of the catalytic reaction chamber (4) through a first air feeding pipe (11), a hydrogen peroxide collection chamber (12) is arranged above the catalytic reaction chamber (4), and the hydrogen peroxide collection chamber (12) is connected with a spray head (14) which is arranged in the catalytic reaction chamber (4) through a water pump (13), a catalytic combustion chamber (15) is arranged below the primary filtering bin (1) and opposite to the left side of the filter screen (9), the output end of the catalytic combustion chamber (15) is connected with a filter chamber (16), the upper part of the catalytic reaction chamber (4) is connected with a heat conversion chamber (18) through a hot gas outlet (17), an ultraviolet lamp (19) is arranged in the heat conversion chamber (18), a water storage chamber (20) is sleeved outside the heat conversion chamber (18), a water inlet (21) and a water outlet (22) are arranged on the water storage chamber (20), the water outlet (22) is connected with a heat preservation chamber (23), a second blowing device (24) is arranged at one side of the heat conversion chamber (18), the filter chamber (16) is connected with the heat conversion chamber (18) through a connecting pipeline (36), an output port (25) is arranged on the solution mixing chamber (5), and a vibrator (26) is arranged below the filter screen (9).
2. The online monitoring and catalytic treatment system for the volatile organic exhaust gas according to claim 1, characterized in that a spiral air inlet pipe (27) is arranged in the primary filter bin (1).
3. The online monitoring and catalytic treatment system for the volatile organic exhaust gas according to claim 2, characterized in that the side of the primary filter bin (1) is hinged with a cover plate (28), and the spiral air inlet pipe (27) is arranged in the cover plate (28).
4. An on-line monitoring and catalytic processing system for volatile organic waste gas according to claim 1, characterized in that a first cylinder (29) for pressing down gas or impurities is arranged above the primary filter bin (1), and the output of the first cylinder (29) is connected with a scraper (30).
5. The on-line monitoring and catalytic treatment system for the volatile organic exhaust gas as claimed in claim 1 or 2, wherein an automatic rotating mechanism (31) for driving the spray header (14) to rotate is arranged at the upper end of the spray header (14).
6. An online monitoring and catalytic processing system for VOC waste gas as claimed in claim 1 or 2, characterized in that a second online monitor (33) and a solenoid valve (32) are provided at the output port (25).
7. The online monitoring and catalytic treatment system for the volatile organic waste gas according to claim 1 or 2, characterized in that a bag-type dust remover is arranged in the primary filter bin (1).
8. The on-line monitoring and catalytic treatment system for the VOC waste gas in claim 3, wherein a sealing ring (35) is arranged on one side of the cover plate (28) and the primary filter bin (1).
9. The online monitoring and catalytic treatment system for the volatile organic exhaust gas according to claim 4, characterized in that a gear scraper (34) is arranged on the scraper (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920589734.6U CN209968118U (en) | 2019-04-27 | 2019-04-27 | Volatile organic waste gas's on-line monitoring and catalytic treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920589734.6U CN209968118U (en) | 2019-04-27 | 2019-04-27 | Volatile organic waste gas's on-line monitoring and catalytic treatment system |
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| CN209968118U true CN209968118U (en) | 2020-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318542A (en) * | 2020-02-28 | 2020-06-23 | 江苏工程职业技术学院 | Electric circuit board welding smoke treatment device and use method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318542A (en) * | 2020-02-28 | 2020-06-23 | 江苏工程职业技术学院 | Electric circuit board welding smoke treatment device and use method |
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