CN211098265U - Adsorb concentrated catalytic combustion exhaust treatment device - Google Patents
Adsorb concentrated catalytic combustion exhaust treatment device Download PDFInfo
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- CN211098265U CN211098265U CN201921422216.1U CN201921422216U CN211098265U CN 211098265 U CN211098265 U CN 211098265U CN 201921422216 U CN201921422216 U CN 201921422216U CN 211098265 U CN211098265 U CN 211098265U
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- concentration detector
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- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 65
- 239000002912 waste gas Substances 0.000 claims abstract description 63
- 238000001179 sorption measurement Methods 0.000 claims abstract description 53
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000003795 desorption Methods 0.000 claims abstract description 32
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 4
- 150000002894 organic compounds Chemical class 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000012855 volatile organic compound Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- -1 dust Chemical compound 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model provides an adsorption concentration catalytic combustion waste gas treatment device, which comprises a drying filter box, an adsorption box, a first fan, a catalytic combustion chamber, a second fan and an exhaust port; the waste gas passes through a drying filter box, an adsorption box, a first fan and an exhaust port in sequence; activated carbon is filled in the adsorption tank; the adsorption box is provided with a desorption gas inlet and a desorption gas outlet, and the desorption gas outlet is communicated with the exhaust port after sequentially passing through the catalytic combustion chamber and the second fan; the adsorption tank is internally provided with a heat exchange device, the inlet of the heat exchange device is connected with a third fan, the third fan is used for sending desorption gas into the heat exchange device, and the outlet of the heat exchange device is connected with the inlet of the desorption gas. The utility model discloses pass through waste heat utilization with the hot-air after the catalytic combustion, carry out hot-blast desorption to the active carbon, send into catalytic combustion equipment with low concentration waste gas after through adsorbing the desorption concentration, carry out catalytic combustion after heating waste gas through waste heat utilization, then discharge to reach standard.
Description
Technical Field
The utility model relates to a waste gas treatment field, in particular to adsorb concentrated catalytic combustion exhaust treatment device.
Background
VOCs are acronyms for volatile organic compounds (volatile organic compounds). The volatile organic compound is any organic liquid and/or solid capable of spontaneously volatilizing at normal temperature and normal pressure. According to the WHO definition, volatile organic compounds are organic compounds which have a boiling point of from 50 ℃ to 260 ℃ at atmospheric pressure. VOCs can be further classified into: alkanes, aromatic hydrocarbons, esters, aldehydes, and others. More than 300 have been identified so far. Most common are benzene, toluene, xylene, styrene, trichloroethylene, chloroform, trichloroethane, diisocyanate (TDI), diisocyanatophenyl ester, and the like.
In the prior art, the adsorption recovery technology is a simple and practical VOCs treatment technology, which can not only effectively treat organic waste gas, but also recover organic solvent, but has poor treatment effect and short service life of adsorption material.
The single active carbon adsorbs the waste gas and is easy to reach saturation. The saturated activated carbon can not be adsorbed, so that the excessive emission is caused, and the environment is polluted; meanwhile, the saturated activated carbon can cause harm to the surrounding environment, and is classified as hazardous waste, thereby causing secondary pollution to the surrounding environment.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides an adsorb concentrated catalytic combustion exhaust treatment device combines activated carbon adsorption and catalytic combustion technology, passes through waste heat utilization with the hot-air after the catalytic combustion, carries out hot-blast desorption to the activated carbon, sends into catalytic combustion equipment with low concentration waste gas after through adsorbing the desorption concentration, carries out catalytic combustion after heating waste gas through waste heat utilization, then discharge to reach standard.
The utility model discloses a realize above-mentioned technical purpose through following technological means.
An adsorption concentration catalytic combustion waste gas treatment device comprises a drying filter box, an adsorption box, a first fan, a catalytic combustion chamber, a second fan and an exhaust port; the waste gas passes through a drying filter box, an adsorption box, a first fan and an exhaust port in sequence; the drying and filtering box is used for filtering dust and particulate matters in the waste gas; the adsorption box is filled with activated carbon for adsorbing organic compounds in the waste gas;
the adsorption box is provided with a desorption gas inlet and a desorption gas outlet, and the desorption gas outlet is communicated with the exhaust port after sequentially passing through the catalytic combustion chamber and the second fan; the adsorption tank is internally provided with a heat exchange device, the inlet of the heat exchange device is connected with a third fan, the third fan is used for sending desorption gas into the heat exchange device, and the outlet of the heat exchange device is connected with the inlet of the desorption gas.
Further, the adsorption box is filled with honeycomb activated carbon.
The system further comprises a controller, a first waste gas concentration detector, a first three-way control valve and a first feedback pipeline; the first waste gas concentration detector is used for detecting the concentration of waste gas at the outlet of the first fan; the first three-way control valve is positioned between the exhaust pipeline and the first fan, and the other end of the first three-way control valve is connected with the inlet of the adsorption tank through a first feedback pipeline; the controller is respectively connected with the first waste gas concentration detector and the first three-way control valve; when the measured value of the first waste gas concentration detector is smaller than the set value of the controller, the controller controls the first three-way control valve to enable the outlet of the first fan to be communicated with the exhaust pipeline for exhausting; when the measured value of the first waste gas concentration detector is larger than the set value of the controller, the controller controls the first three-way control valve to enable the outlet of the first fan to be communicated with the first feedback pipeline, and the first three-way control valve is used for inputting the substandard waste gas into the adsorption box again.
The system further comprises a second waste gas concentration detector, a second three-way control valve and a second feedback pipeline; the second waste gas concentration detector is used for detecting the concentration of waste gas at the outlet of the second fan; the second three-way control valve is positioned between the exhaust pipeline and the second fan, and the other end of the second three-way control valve is connected with the inlet of the heat exchange device through a second feedback pipeline; the controller is respectively connected with the second waste gas concentration detector and the second three-way control valve; when the measured value of the second waste gas concentration detector is smaller than the set value of the controller, the controller controls the second three-way control valve to enable the outlet of the second fan to be communicated with the exhaust pipeline for exhausting; and when the measured value of the second waste gas concentration detector is greater than the set value of the controller, the controller controls the second three-way control valve to enable the outlet of the second fan to be communicated with the second feedback pipeline, so that the substandard waste gas is input into the heat exchange device again.
Further, a first one-way valve is mounted on the first feedback pipeline; and a second one-way valve is arranged on the second feedback pipeline.
Further, the controller is a first comparator and a second comparator, one input end of the first comparator inputs a measured value of the first exhaust gas concentration detector, the other input end of the first comparator inputs a set value, and the first comparator is used for controlling the first three-way control valve by judging the size of the measured value and the set value of the first exhaust gas concentration detector;
and one input end of the second comparator inputs the measured value of the second exhaust gas concentration detector, the other input end of the second comparator inputs the set value, and the second comparator is used for controlling the second three-way control valve by judging the size of the measured value and the set value of the second exhaust gas concentration detector.
The beneficial effects of the utility model reside in that:
1. adsorption concentration catalytic combustion exhaust treatment device, combine activated carbon adsorption and catalytic combustion technology, pass through waste heat utilization with the hot-air after the catalytic combustion, carry out hot-blast desorption to the activated carbon, send into catalytic combustion equipment with low concentration waste gas through adsorbing the concentrated back of desorption, carry out catalytic combustion after with waste gas heating through waste heat utilization, then discharge to reach standard.
2. Concentrated catalytic combustion exhaust treatment device adsorb, through waste heat recovery, active carbon desorption recycle etc. the operation cost is compared simple active carbon adsorption and is practiced thrift 50%.
3. The waste gas purification efficiency of the adsorption concentration catalytic combustion waste gas treatment device of the utility model is stably higher than 95% for a long time without attenuation; the adsorption efficiency of pure activated carbon is about 85%, and the pure activated carbon is seriously attenuated and needs to be frequently replaced.
4. Concentrated catalytic combustion exhaust treatment device adsorb, judge the measured value of exhaust gas concentration detector and the size of setting value through the controller, realize feedback control, guarantee that exhaust duct exhaust waste gas is up to standard.
Drawings
Fig. 1 is a schematic diagram of the adsorption concentration catalytic combustion waste gas treatment device of the utility model.
Fig. 2 is a schematic diagram of a controller according to the present invention.
Fig. 3 is a second schematic diagram of the controller according to the present invention.
In the figure:
1-drying the filter box; 2-an adsorption tank; 3-a first fan; 4-a first exhaust gas concentration detector; 5-a catalytic combustor; 6-a second fan; 7-a second exhaust gas concentration detector; 8-a second three-way control valve; 9-a first three-way control valve; 10-a third fan; 11-a second one-way valve; 12-a first one-way valve; 13-a first comparator; 14-second comparator.
Detailed Description
The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.
As shown in fig. 1, the adsorption concentration catalytic combustion waste gas treatment device of the present invention comprises a drying filter box 1, an adsorption box 2, a first fan 3, a catalytic combustion chamber 5, a second fan 6 and an exhaust port; the waste gas passes through a drying and filtering box 1, an adsorption box 2, a first fan 3 and an exhaust port in sequence; the drying and filtering box 1 is used for filtering substances which influence the adsorption of the activated carbon, such as dust, suspended particulate matters, aerosol and the like in the exhaust gas. The drying and filtering box 1 mainly comprises a filter bag and filter cotton. The dust removal rate filtered by the drying and filtering box 1 can reach more than 95%, and the waste gas filtered by the drying and filtering box 1 enters the adsorption box 2. The adsorption tank 2 is filled with honeycomb activated carbon for adsorbing organic compounds in the waste gas, and mainly comprises xylene, n-butanol, cyclohexanone, butyl ester, 150 # and ethyl ester. The waste gas after adsorption by the honeycomb activated carbon reaches the standard and is discharged.
A desorption gas inlet and a desorption gas outlet are formed in the adsorption box 2, and the desorption gas outlet is communicated with the exhaust port after sequentially passing through the catalytic combustion chamber 5 and the second fan 6; be equipped with heat transfer device in the adsorption tank 2, heat transfer device's import is connected with third fan 10, and third fan 10 is used for sending into heat transfer device with desorption gas, heat transfer device's export and desorption gas access connection. The heating heat source heats the desorption gas to 110 ℃ of 100-. And after desorption is finished, the waste gas enters the catalytic combustion chamber 5 through a desorption gas outlet, the catalytic combustion chamber 5 preheats the desorbed waste gas to 320-340 ℃, catalytic oxidation is carried out under the action of a catalyst, the organic waste gas is oxidized and converted into CO2, H2O and large amount of heat, harmless treatment is realized, and finally the waste gas is discharged through an exhaust port. The heat exchange device is positioned at the tail end of the catalytic combustion chamber 5, and the desorbed gas in the heat exchange device is preheated by the high-temperature tail gas after catalytic oxidation reaction, so that the utilization of waste heat is realized.
The adsorption box 2 consists of 3 honeycomb activated carbon adsorption beds, each activated carbon adsorption bed is filled with 2.4m3 honeycomb activated carbon, the maximum adsorbable organic solvent of a single bed reaches 200kg, the calculation is carried out according to the estimated organic waste gas peak concentration of about 200ppm on site, and when the activated carbon bed adsorbs 36 hours, namely the activated carbon bed is close to saturation, the adsorption bed is switched to a desorption regeneration process. The waste gas after the adsorption of the activated carbon reaches the standard and is discharged. And the desorption is carried out in real time, and the efficiency is high and the speed is high.
As shown in fig. 1 and fig. 2, in order to achieve the purpose that the exhaust gas discharged from the exhaust pipe completely reaches the standard, the utility model further comprises a controller, a first exhaust gas concentration detector 4, a first three-way control valve 9, a first feedback pipeline, a second exhaust gas concentration detector 7, a second three-way control valve 8 and a second feedback pipeline; the first exhaust gas concentration detector 4 is used for detecting the exhaust gas concentration at the outlet of the first fan 3; the first three-way control valve 9 is positioned between the exhaust pipeline and the first fan 3, and the other end of the first three-way control valve 9 is connected with the inlet of the adsorption tank 2 through a first feedback pipeline; the controller is respectively connected with the first exhaust gas concentration detector 4 and the first three-way control valve 9; when the measured value of the first exhaust gas concentration detector 4 is smaller than the set value of the controller, the controller controls the first three-way control valve 9 to enable the outlet of the first fan 3 to be communicated with the exhaust pipeline for exhausting; when the measured value of the first exhaust gas concentration detector 4 is greater than the set value of the controller, the controller controls the first three-way control valve 9 to enable the outlet of the first fan 3 to be communicated with the first feedback pipeline, and the first three-way control valve is used for inputting the exhaust gas which does not reach the standard into the adsorption box 2 again.
The second exhaust gas concentration detector 7 is used for detecting the exhaust gas concentration at the outlet of the second fan 6; the second three-way control valve 8 is positioned between the exhaust pipeline and the second fan 6, and the other end of the second three-way control valve 8 is connected with the inlet of the heat exchange device through a second feedback pipeline; the controller is respectively connected with a second waste gas concentration detector 7 and a second three-way control valve 8; when the measured value of the second exhaust gas concentration detector 7 is smaller than the set value of the controller, the controller controls the second three-way control valve 8 to enable the outlet of the second fan 6 to be communicated with the exhaust pipeline for exhausting; when the measured value of the second waste gas concentration detector 7 is greater than the set value of the controller, the controller controls the second three-way control valve 8 to enable the outlet of the second fan 6 to be communicated with the second feedback pipeline, and the substandard waste gas is input into the heat exchange device again. A first one-way valve 12 is arranged on the first feedback pipeline; and a second one-way valve 11 is arranged on the second feedback pipeline.
As shown in fig. 2 and 3, the controller is a first comparator 13 and a second comparator 14, one input end of the first comparator 13 inputs the measured value of the first exhaust gas concentration detector 4, the other input end of the first comparator 13 inputs a set value, and the first comparator 13 is used for controlling the first three-way control valve 9 by judging the magnitude of the measured value and the set value of the first exhaust gas concentration detector 4; one input end of the second comparator 14 inputs the measured value of the second exhaust gas concentration detector 7, the other input end of the second comparator 14 inputs the set value, and the second comparator 14 is used for controlling the second three-way control valve 8 by judging the magnitude of the measured value and the set value of the second exhaust gas concentration detector 7.
As shown in fig. 2, a first comparator 13 is used to illustrate the working principle, and when the first three-way control valve 9 inputs a low level, the first three-way control valve 9 enables the outlet of the first fan 3 to communicate with the exhaust port; when the first three-way control valve 9 inputs a high level, the first three-way control valve 9 enables the outlet of the first fan 3 to be communicated with the feedback pipeline, and the unqualified waste gas is input into the adsorption tank 2 again. Assuming that the analog quantity of the standard-reaching waste gas passing through the first waste gas concentration detector 4 is 4mA, when the measured value of the first waste gas concentration detector 4 is greater than 4mA, the first comparator 7 outputs a high level to the first three-way control valve 9, and the first three-way control valve 9 enables the outlet of the first fan 3 to be communicated with the feedback pipeline. Otherwise, when the measured value of the first exhaust gas concentration detector 4 is smaller than 4mA, the first comparator 7 outputs a low level to the first three-way control valve 9, and the first three-way control valve 9 enables the outlet of the first fan 3 to be communicated with the exhaust port.
The controller may also be a P L C processor, with a P L C processor having an internal set point that is compared to the measurement from the exhaust gas concentration detector.
The embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and any obvious improvement, replacement or modification which can be made by those skilled in the art without departing from the essence of the present invention belongs to the protection scope of the present invention.
Claims (6)
1. An adsorption concentration catalytic combustion waste gas treatment device is characterized by comprising a drying filter box (1), an adsorption box (2), a first fan (3), a catalytic combustion chamber (5), a second fan (6) and an exhaust port; the waste gas passes through a drying filter box (1), an adsorption box (2), a first fan (3) and an exhaust port in sequence; the drying and filtering box (1) is used for filtering dust and particulate matters in the waste gas; the adsorption tank (2) is filled with activated carbon for adsorbing organic compounds in the waste gas;
a desorption gas inlet and a desorption gas outlet are formed in the adsorption box (2), and the desorption gas outlet is communicated with the exhaust port after sequentially passing through the catalytic combustion chamber (5) and the second fan (6); be equipped with heat transfer device in adsorption tank (2), heat transfer device's import is connected with third fan (10), and third fan (10) are used for sending into heat transfer device with desorption gas, heat transfer device's export and desorption gas access connection.
2. The exhaust gas treatment device according to claim 1, wherein the adsorption tank (2) is filled with honeycomb activated carbon.
3. The exhaust gas treatment device for adsorption concentration catalytic combustion according to claim 1, further comprising a controller, a first exhaust gas concentration detector (4), a first three-way control valve (9), and a first feedback line; the first waste gas concentration detector (4) is used for detecting the concentration of waste gas at the outlet of the first fan (3); the first three-way control valve (9) is positioned between the exhaust pipeline and the first fan (3), and the other end of the first three-way control valve (9) is connected with an inlet of the adsorption tank (2) through a first feedback pipeline; the controller is respectively connected with the first exhaust gas concentration detector (4) and the first three-way control valve (9); when the measured value of the first waste gas concentration detector (4) is smaller than the set value of the controller, the controller controls the first three-way control valve (9) to enable the outlet of the first fan (3) to be communicated with an exhaust pipeline for exhausting; when the measured value of the first waste gas concentration detector (4) is larger than the set value of the controller, the controller controls the first three-way control valve (9) to enable the outlet of the first fan (3) to be communicated with the first feedback pipeline, and the first three-way control valve is used for inputting the waste gas which does not reach the standard into the adsorption box (2) again.
4. The exhaust gas treatment device for adsorption concentration catalytic combustion according to claim 3, further comprising a second exhaust gas concentration detector (7), a second three-way control valve (8) and a second feedback line; the second waste gas concentration detector (7) is used for detecting the concentration of waste gas at the outlet of the second fan (6); the second three-way control valve (8) is positioned between the exhaust pipeline and the second fan (6), and the other end of the second three-way control valve (8) is connected with the inlet of the heat exchange device through a second feedback pipeline; the controller is respectively connected with a second waste gas concentration detector (7) and a second three-way control valve (8); when the measured value of the second waste gas concentration detector (7) is smaller than the set value of the controller, the controller controls the second three-way control valve (8) to enable the outlet of the second fan (6) to be communicated with an exhaust pipeline for exhausting; and when the measured value of the second waste gas concentration detector (7) is greater than the set value of the controller, the controller controls the second three-way control valve (8) to enable the outlet of the second fan (6) to be communicated with the second feedback pipeline, so that the substandard waste gas is input into the heat exchange device again.
5. The exhaust gas treatment device according to claim 4, wherein the first feedback line is provided with a first check valve (12); and a second one-way valve (11) is arranged on the second feedback pipeline.
6. The exhaust gas treatment device according to claim 4, wherein the controller is a first comparator (13) and a second comparator (14), one input end of the first comparator (13) inputs the measured value of the first exhaust gas concentration detector (4), the other input end of the first comparator (13) inputs a set value, and the first comparator (13) is used for controlling the first three-way control valve (9) by judging the magnitude of the measured value and the set value of the first exhaust gas concentration detector (4);
one input end of the second comparator (14) inputs the measured value of the second exhaust gas concentration detector (7), the other input end of the second comparator (14) inputs a set value, and the second comparator (14) is used for controlling the second three-way control valve (8) by judging the size of the measured value and the set value of the second exhaust gas concentration detector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422216.1U CN211098265U (en) | 2019-08-29 | 2019-08-29 | Adsorb concentrated catalytic combustion exhaust treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422216.1U CN211098265U (en) | 2019-08-29 | 2019-08-29 | Adsorb concentrated catalytic combustion exhaust treatment device |
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| CN211098265U true CN211098265U (en) | 2020-07-28 |
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| CN201921422216.1U Expired - Fee Related CN211098265U (en) | 2019-08-29 | 2019-08-29 | Adsorb concentrated catalytic combustion exhaust treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856405A (en) * | 2021-10-22 | 2021-12-31 | 佛山市际星环保科技有限公司 | Offline desorption catalytic combustion combination equipment |
| CN117883970A (en) * | 2024-03-11 | 2024-04-16 | 山东龙光天旭太阳能有限公司 | High borosilicate glass kiln system |
-
2019
- 2019-08-29 CN CN201921422216.1U patent/CN211098265U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856405A (en) * | 2021-10-22 | 2021-12-31 | 佛山市际星环保科技有限公司 | Offline desorption catalytic combustion combination equipment |
| CN117883970A (en) * | 2024-03-11 | 2024-04-16 | 山东龙光天旭太阳能有限公司 | High borosilicate glass kiln system |
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