CN208139299U - A kind of concentration-arrangement for catalytic purification of low-concentration organic exhaust gas - Google Patents
A kind of concentration-arrangement for catalytic purification of low-concentration organic exhaust gas Download PDFInfo
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- CN208139299U CN208139299U CN201820565513.0U CN201820565513U CN208139299U CN 208139299 U CN208139299 U CN 208139299U CN 201820565513 U CN201820565513 U CN 201820565513U CN 208139299 U CN208139299 U CN 208139299U
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Abstract
The utility model discloses a kind of low-concentration organic exhaust gas concentration-arrangement for catalytic purification, stack and be filled with the adsorbent bed of adsorbent including the first air-introduced machine, the second air-introduced machine, third air-introduced machine, heat exchanger, preheating chamber, catalytic combustor and several dislocation up and down；First air-introduced machine, heat exchanger, preheating chamber, catalytic combustor are sequentially connected, and catalytic combustor gas outlet is connected to heat exchanger, and another outlet of heat exchanger is connected to the second fan inlet, and the second fan out draft is connect with net gas intake valve；It connects between each adsorbent bed and penetrates through each other, be respectively connected with ventilation valve on each adsorbent bed.The utility model can harmful substance effectively in purifying low-concentration organic exhaust gas, be desorbed using adsorbent bed is introduced back into after desorption gas and purification gas heat exchange, make full use of the energy, purification efficiency is high.
Description
Technical field
The utility model belongs to technical field of waste gas treatment, is related to a kind of concentration-catalytic purification of low-concentration organic exhaust gas
Device.
Background technique
Catalytic combustion technology is processing volatile organic matter（VOCs）The common technology of exhaust gas, can be at a lower temperature
In catalyst surface oxidation reaction is occurred into for the volatile organic waste gas discharged in industrial processes, generates nontoxic two
Carbonoxide and water, while releasing heat；The heat of generation is related with the concentration of volatile organic matter in exhaust gas and reaction conversion ratio；
Since the optimal use temperature of catalyst often reaches 250-400 DEG C, it is therefore desirable to carry out heat temperature raising to exhaust gas, need thus
The a large amount of energy is consumed, this phenomenon is especially prominent when organic concentration is lower in exhaust gas；Therefore, for low concentration, atmosphere
The organic waste-gas purification of amount, the processing method that currently used activated carbon adsorption concentration+desorption and regeneration+catalysis burning combines；
Chinese patent CN102580523 A discloses a kind of organic waste gas concentrating catalytic combustion system, Chinese patent CN
104879761A discloses the catalytic combustion system and waste gas treatment process suitable for VOCs treatment, and core content is will be low
Concentration Wind Volume organic exhaust gas is desorbed after activated carbon adsorption with small air quantity gas, so that the organic matter of desorption process
Concentration is significantly improved, and the organic exhaust gas of desorption is carried out purified treatment in conjunction with catalytic combustion technology, place is effectively reduced
The energy consumption of reason process；However, there are the organic concentration of desorption process control difficulty is big for current activated carbon adsorption concentration technique
The problem of, organic concentration is excessively high, causes catalysis ignition temperature excessively high, carrys out security risk to equipment belt；In the industry also frequently with turn
Take turns concentration technique, the cleaning shop exhaust-gas treatment skill as disclosed in Chinese patent CN 103007682A based on concentration runner and RTO
Art, but since runner manufacturing technology difficulty is big, equipment cost is high, and many enterprises are difficult to promote.
Utility model content
To solve the above problems, the utility model discloses a kind of low-concentration organic exhaust gas concentration-arrangement for catalytic purification and
Method cooperates absorption and the desorption-catalyticing combustion process of high-precision control, Neng Gouyou by the multi-stage absorption bed of interfolded
Effect control desorption process, thickening-purification technology organic exhaust gas, and improve the safety of equipment operation；The utility model is also dense by two sets
Contracting-arrangement for catalytic purification is in parallel, forms concentration-catalytic purification system of low-concentration organic exhaust gas；
In order to achieve the above object, the utility model provides the following technical solutions：
A kind of low-concentration organic exhaust gas concentration-arrangement for catalytic purification, including the first air-introduced machine, the second air-introduced machine, third are drawn
Blower, heat exchanger, preheating chamber, catalytic combustor and several dislocation up and down stack and are filled with the adsorbent bed of adsorbent；The
One air-introduced machine, heat exchanger, preheating chamber, catalytic combustor are sequentially connected, and catalytic combustor gas outlet is connected to heat exchanger, heat
Another outlet of exchanger is connected to the second fan inlet, and the second fan out draft is connect with net gas intake valve；Each absorption
It connects between bed and penetrates through each other, ventilation valve is respectively connected on each adsorbent bed, it is defeated that each ventilation valve is connected to high-concentration organic waste gas
Pipeline out, high-concentration organic waste gas output channel are connected between the second air-introduced machine and heat exchanger, the connection of first order adsorbent bed
There are gas inlet valve and net gas intake valve, the gas inlet valve is connect with the first air-introduced machine, and afterbody adsorbent bed is connected with
Net gas exhaust valve；It further include the first air communication valve and the second air communication valve, two air communication valves are connected to heat exchanger
With the pipeline between the second air-introduced machine, the first air communication valve leans on heat exchanger, for being vented outwards, the second air communication valve
Close to the second fan inlet, for being passed through cold air to the second air-introduced machine；
Further, the first temperature sensor is provided in first order adsorbent bed, on high-concentration organic waste gas output channel
It is provided with second temperature sensor, third temperature sensor, afterbody absorption are provided between preheating chamber and catalytic combustor
VOC sensor is provided in bed；
Further, the 4th temperature sensor is provided in the gap between second level adsorbent bed and third level adsorbent bed；
Further, when connecting between adsorbent bed, upper level adsorbent bed bottom side and next stage adsorbent bed top are another
Side connection；
Further, the adsorbent is acticarbon or adsorbent of molecular sieve；
Further, the precious metals pd-Pt monoblock type equipped with cordierite honeycomb ceramic load in the catalytic combustor is urged
Precious metals pd-Pt the catalyst of agent or alumina load；
Compared with prior art, the utility model has the following advantages that and beneficial effect：
Concentration-the arrangement for catalytic purification and method of low-concentration organic exhaust gas provided by the utility model, can effectively purify
Harmful substance in low-concentration organic exhaust gas is desorbed using adsorbent bed is introduced back into after desorption gas and purification gas heat exchange,
The energy is made full use of, purification efficiency is high, and uses acticarbon using the clean-up effect ratio of equipment when adsorbent of molecular sieve
When it is more preferable；Organic waste gas concentrating to high concentration, the cocnentration factor of concentration can be can achieve 10 times or more, were desorbed by the utility model
The fluctuation range of journey organic concentration reduces, and desorption process concentration amplitude of variation is narrowed than the obvious of traditional single adsorption tower；Together
When, absorption and multistage desorption are carried out using multi-stage absorption bed combination temperature sensor, temperature can be controlled and guarantee desorption effect
In the safe range of fruit, security performance is greatly improved；Utility model device structure is relatively simple, method strong operability,
It is low in cost, it is conducive to promotion and application.
Detailed description of the invention
Fig. 1 is concentration-arrangement for catalytic purification structural schematic diagram of low-concentration organic exhaust gas provided by the utility model；
Description of symbols：
The first air-introduced machine of F1-, the second air-introduced machine of F2-, the first adsorbent bed of X1-, the second adsorbent bed of X2-, X3-third
Adsorbent bed, the 4th adsorbent bed of X4-, the 5th adsorbent bed of X5-, HX-heat exchanger, Y-preheater, C-catalytic combustor,
VOC—VOC（Organic matter）Sensor, the first temperature sensor of T1-, T2-second temperature sensor, T3-third temperature sensing
Device, the 4th temperature sensor of T4-, the first ventilation valve of V1-, the second ventilation valve of V2-, V3-third venting valve, V4-four-way
Air-valve, the 5th ventilation valve of V5-, the net gas intake valve of V6-gas inlet valve, V7-, the net gas exhaust valve of V8-, the first air of V9-
Communicating valve, V10-the second air communication valve, P- high-concentration organic waste gas output channel.
Specific embodiment
Technical solution provided by the utility model is described in detail below with reference to specific embodiment, it should be understood that following
Specific embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model；The utility model is so-called
" connection " further includes connection meaning, including is directly connected to（Connection）, and be indirectly connected with by pipeline（Connection）；
Embodiment one：
As shown in Figure 1, low-concentration organic exhaust gas concentration-arrangement for catalytic purification provided by the utility model, including five suctions
Attached bed（X1,X2,X3,X4,X5）, a catalytic combustor C, a heat exchanger HX, a preheating chamber Y and three air-introduced machines
（F1,F2,F3）；
Wherein, the first air-introduced machine F1 is connected with the one end gas inlet valve V6, for introducing low-concentration organic exhaust gas, exhaust gas into
The air valve V6 other end is connect with the first adsorbent bed X1, and low-concentration organic exhaust gas, the first adsorbent bed are passed through into the first adsorbent bed X1
X1 air taking port be arranged in adsorbent bed bottom left, air taking port is staggered with adsorbent bed top opening, be conducive to low-concentration organic exhaust gas and
Adsorbent more as far as possible contact in adsorbent bed；Second air-introduced machine F2 is connect with net one end gas intake valve V7, and net gas intake valve V7 is another
One end is connect with the first adsorbent bed X1, and hot-air is passed through into the first adsorbent bed X1 for the organic of adsorbent bed X1 absorption to be desorbed
Object, or for cooling cold air；Third air-introduced machine F3 and heat exchanger HX, preheating chamber Y, catalytic combustor C are sequentially connected, in advance
Electric heater unit is equipped in hot cell；Heat exchanger HX has a double outlets and double entrances, third air-introduced machine F3 and heat exchanger HX's
First entrance connection, for supplementing fresh air, what is connect with preheating chamber Y is the first outlet of heat exchanger HX；Catalysis burning
The outlet room C is connect with heat exchanger HX second entrance, and the second outlet of heat exchanger HX is connected to the second air-introduced machine F2 air inlet；
The present apparatus further includes the first air communication valve V9 and the second air communication valve V10, they are connected to by threeway
On pipeline between the second outlet of heat exchanger HX and the second air-introduced machine F2 air inlet；Wherein, the first air communication valve V9 connects
It connects near the second outlet of heat exchanger HX, for being vented outwards, the second air communication valve V10 is connected to the second air-introduced machine F2
Near air inlet, for being passed through cold air to the second air-introduced machine；
Five adsorbent beds are sequentially connected in series, and are mutually communicated, and have a fixed gap between adsorbent bed, and adsorbent bed misplaces folded up and down
Put, middle part to the right side of adsorbent bed attached below on the left of the adsorbent bed of top, the quantity of adsorbent bed can according to need increase or
It reduces；Specifically, each adsorbent bed middle top to right has top opening, and bottom left to middle part is opened with bottom
Mouthful, lower section adsorbent bed top opening is connect with top adsorbent bed bottom opening；Dislocation stacking mode, which can enable, to be passed through in adsorbent bed
Gas contacted with adsorbents more as far as possible；It is believed that on the basis of each adsorbent bed structure is identical, as long as the top of adsorbent bed
When the first from left connects between the right side, adsorbent bed, top adsorbent bed bottom side connects one of them in portion's opening and bottom opening
It is connected to the other side at the top of the adsorbent bed of lower section, so that it may achieve the effect that dislocation is stacked when being vertically connected with adsorbent bed；Therefore, may be used
To enable adsorbent bed middle top to left that there is top opening, and there are bottom opening, multiple absorption in bottom right to middle part
Bed successively mounted on top when also may be implemented dislocation stack effect；The side of each adsorbent bed is equipped with ventilation valve（V1,V2,V3,V4,
V5）, these ventilation valves are arranged at the adsorbent bed top opening other side, the ventilation valve of each adsorbent bed（V1~V5）It is all connected with supreme
Concentration organic exhaust gas output channel P, high-concentration organic waste gas output channel P be connected to the second air-introduced machine and heat exchanger HX it
Between；5th adsorbent bed X5 is connected with the net gas exhaust valve V8 for discharging purification gas；First is provided on first adsorbent bed X1
Temperature sensor T1, for measuring temperature in the first adsorbent bed；The second temperature is provided on high-concentration organic waste gas output channel
Sensor T2 is spent, for measuring gas temperature in high-concentration organic waste gas output channel；Preheating chamber Y and catalytic combustor C it
Between be provided with third temperature sensor T3, for measure be preheated room heating after gas temperature；In the second adsorbent bed X2 and
The 4th temperature sensor T4 is provided in gap between three adsorbent bed X3；VOC sensor is provided in the 5th adsorbent bed；
Adsorbent is equipped in each adsorbent bed, acticarbon or adsorbent of molecular sieve etc. can be used in adsorbent；Catalysis combustion
Burn the precious metals pd-of the precious metals pd-Pt integral catalyzer or alumina load equipped with cordierite honeycomb ceramic load in the C of room
Pt catalyst；
It, can be low to Wind Volume dense using low-concentration organic exhaust gas concentration-arrangement for catalytic purification provided by the utility model
Degree organic exhaust gas is adsorbed, and adsorption process is until VOC sensor detects that organic concentration reaches a certain threshold value（Such as
7ppm, the threshold value can adjust as needed）Terminate, in the adsorption process of large-wind-volume low-concentration organic exhaust gas, the first ventilation valve is extremely
5th ventilation valve is all closed, and five adsorbent beds are tandem mode；Organic matter desorption-catalysis burning is carried out after the completion of absorption
Treatment process, the second air-introduced machine are sent into hot gas, close net gas exhaust valve V8, the first ventilation valve to the 5th ventilation valve in order by
Step is opened, and is carried out substep step by step to each adsorbent bed using hot gas and is desorbed；It is exported from high-concentration organic waste gas output channel P
Desorption gas mixed with the third air-introduced machine F3 air being sent into after enter heat exchanger HX, then enter from heat exchanger HX pre-
Hot cell Y, the catalytic combustor C equipped with catalyst is entered back into；Catalytic combustor outlet purification gas enter back into heat exchanger with
Desorption gas carries out heat exchange, obtains high temperature purification gas, and efficiency of energy utilization is high, the high temperature of heat exchanger second outlet output
Purification gas is exported from heat exchanger HX, is entered back into adsorbent bed under the second air-introduced machine F2 effect, is completed circulation；
Embodiment two：
Based on low-concentration organic exhaust gas concentration-arrangement for catalytic purification in embodiment one, this example uses low concentration organic waste
Organic exhaust gas is concentrated in concentration-catalytic purification method of gas, and wherein low-concentration organic exhaust gas concentration air quantity is 10000 m3/
h（I.e. the air output of F1 is 10000 m3/h）, organic concentration is 100 mg/m3；This method includes the following steps：
（1）Five adsorbent beds in six adsorbent beds（X1, X2, X3, X4, X5）Each installation cellular activated carbon adsorbent 0.6
m3；0.1 m3 of precious metals pd-Pt integral catalyzer or aluminium oxide of installation cordierite honeycomb ceramic load in catalytic combustor C
Precious metals pd-Pt catalyst the 0.1m3 of load；
（2）Adsorption process is concentrated：Close the first to the 5th ventilation valve（V1-V5）, net gas intake valve V7 is closed, exhaust gas is opened
Intake valve V6, net gas exhaust valve V8 and the first air-introduced machine F1, active carbon carries out low-concentration organic exhaust gas in each adsorbent bed at this time
Absorption, until VOC sensor detects that VOC concentration reaches 7 mg/m3, complete an adsorption cycle；
（3）Desorption-catalyticing combustion process：After completing adsorption cycle, close the first air-introduced machine F1, gas inlet valve V6,
Net gas exhaust valve V8 opens preheating chamber Y, third air-introduced machine F3, opens air communication valve V9, controls the air-supply of third air-introduced machine F3
Amount is 50 m3/h（It is defined as the first air quantity）, until third temperature sensor T3 is warming up to 300 DEG C；It is then turned on net gas air inlet
Valve V7, the first ventilation valve V1, the second air-introduced machine F2, the air output of the second air-introduced machine F2 of control are 500 m3/h（It is defined as second
Air quantity）, while the air output of third air-introduced machine F3 is adjusted to 5m3/h（It is defined as third air quantity）, the first temperature sensor T1
Temperature is stepped up and finally controls at 150 DEG C（It is defined as initial threshold, can be adjusted according to the actual situation）；The gas of submitting passes through
Entered in the first adsorbent bed X1 by pipeline again after crossing preheating chamber Y heating；First adsorbent bed X1 starts to be desorbed, until the second temperature
It spends sensor T2 temperature and reaches 130 DEG C（It is defined as desorption threshold value, can be adjusted according to the actual situation, similarly hereinafter）, it is then turned on second
Ventilation valve V2 closes the first ventilation valve V1, starts the desorption of the second adsorbent bed X2；
When the second adsorbent bed X2 starts desorption, second temperature sensor T2 temperature occurs one and falls before, and increases afterwards
Journey is then turned on third venting valve V3 until second temperature sensor T2 temperature is raised to 130 DEG C again, closes the second ventilation valve
V2 starts the desorption of third adsorbent bed X3；
When third adsorbent bed X3 starts desorption, second temperature sensor T2 occurs one and falls before, rear elevation process, etc.
It is raised to 130 DEG C again to second temperature sensor T2 temperature, is then turned on the 4th ventilation valve V4, closes third venting valve V3, opens
Begin the desorption of the 4th adsorbent bed X4；
When the 4th adsorbent bed X4 starts desorption, second temperature sensor T2 temperature occurs one and falls before, and increases afterwards
Journey is then turned on the 5th ventilation valve V5 until second temperature sensor T2 temperature is raised to 130 DEG C again, closes the 4th ventilation valve
V4 starts the desorption of the 5th adsorbent bed X5；
When the 5th adsorbent bed X5 starts desorption, second temperature sensor T2 temperature occurs one and falls before, and increases afterwards
Journey proceeds to temperature and rises to 140 DEG C until second temperature sensor T2 temperature is raised to 130 DEG C again（It is defined as terminating threshold value,
It can adjust according to the actual situation）, complete entire desorption work；
From first to the 5th ventilation valve（V1~V5）It exports to the desorption gas of high-concentration organic waste gas output channel P and the
Enter heat exchanger HX after the air mixing that two air-introduced machine F3 are sent into, subsequently into preheating chamber Y, enters back into urging equipped with catalyst
Change combustion chamber C；The purification gas of catalytic combustor outlet enters back into heat exchanger and desorption gas carries out heat exchange, high temperature purification
Gas enters back into adsorbent bed by air-introduced machine, completes circulation；
The first temperature sensor T1 temperature such as occur is more than 150oWhen C, the second air communication valve V10 should be opened into cold wind
So that the first temperature sensor T1 temperature is maintained at 150oC；
（4）The acticarbon state of cooling：After the completion of desorption, the 5th ventilation valve V5 is closed, closes third air-introduced machine
F3, preheater Y is closed, opens net gas exhaust valve V8 and the second air communication valve V10, cooled down, until the 4th temperature sensor
Reach room temperature（It is defined as cooling threshold value, can be adjusted according to the actual situation）Although at this point, third adsorbent bed X3, the 4th adsorbent bed
X4, the temperature of the 5th tri- adsorbent beds of adsorbent bed X5 not yet drops to room temperature, but can cut the adsorbed state of the application, i.e., from
Step（2）Start；
100mg/m3Low-concentration organic exhaust gas is after absorption, and aromatic hydrocarbons total concentration is lower than 2mg/m in discharge gas3, oxygen-containing to have
Machine object total concentration is lower than 5 mg/m3；The utility model low-concentration organic exhaust gas concentration-arrangement for catalytic purification and method, Ke Yiyou
The purifying low-concentration organic exhaust gas of effect；
Embodiment three：
Based on low-concentration organic exhaust gas concentration-arrangement for catalytic purification in embodiment one, this example is using low in embodiment two
Organic exhaust gas is concentrated in concentration organic waste gas concentrating method, and distinctive points are the honeycomb in adsorbent bed each in embodiment 1
Acticarbon is substituted for honeycomb adsorbent of molecular sieve；Due to adsorbent difference, each temperature threshold is different, is being desorbed
The first temperature sensor of journey T1 is increased and is controlled to 200 DEG C（Initial threshold）, the first adsorbent bed X1 starts to be desorbed, until the second temperature
It spends sensor T2 temperature and reaches 160 DEG C（Threshold value is desorbed）；Finally when the 6th adsorbent bed X6 starts desorption, second temperature sensor
T2 temperature is fallen before, rear elevation process, until T2 temperature is raised to 160 DEG C again（Threshold value is desorbed）, proceed to temperature and rise to
180oC（Terminate threshold value）, complete entire desorption work；Progress adsorption-desorption process is repeated after can carrying out cooling after desorption；
100mg/m3Low-concentration organic exhaust gas is after absorption, and aromatic hydrocarbons total concentration is lower than 2mg/m in discharge gas3, oxygen-containing to have
Machine object total concentration is lower than 4 mg/m3；Using equipment when adsorbent of molecular sieve clean-up effect ratio use acticarbon when more
It is good；
Example IV：
Low-concentration organic exhaust gas concentration-the arrangement for catalytic purification provided using two sets of embodiments one, every suit low concentration are had
The method provided in above-described embodiment two or embodiment three can be used in machine exhaust gas concentration-arrangement for catalytic purification, by this two sets
Switch after device is in parallel and use, can be used for continuous exhaust gas concentration in 24 hours and purified treatment, be especially suitable for intermittent discharge
Industry；
Technological means disclosed in the utility model is not limited only to technological means disclosed in above embodiment, also
Including technical solution consisting of any combination of the above technical features；It should be pointed out that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (6)
1. a kind of low-concentration organic exhaust gas concentration-arrangement for catalytic purification, it is characterised in that：Including the first air-introduced machine, the second air inducing
Machine, third air-introduced machine, heat exchanger, preheating chamber, catalytic combustor and several dislocation up and down stack and are filled with adsorbent
Adsorbent bed；First air-introduced machine, heat exchanger, preheating chamber, catalytic combustor are sequentially connected, and catalytic combustor gas outlet is connected to heat
Exchanger, another outlet of heat exchanger are connected to the second fan inlet, and the second fan out draft and net gas intake valve connect
It connects；It connects between each adsorbent bed and penetrates through each other, ventilation valve is respectively connected on each adsorbent bed, each ventilation valve, which is connected to high concentration, to be had
Machine exhaust output tube road, high-concentration organic waste gas output channel are connected between the second air-introduced machine and heat exchanger, and the first order is inhaled
Attached bed is connected with gas inlet valve and net gas intake valve, and the gas inlet valve is connect with the first air-introduced machine, afterbody absorption
Bed is connected with net gas exhaust valve；It further include the first air communication valve and the second air communication valve, two air communication valves are connected to
Pipeline between heat exchanger and the second air-introduced machine, the first air communication valve leans on heat exchanger, and for being vented outwards, second is empty
Gas communicating valve is close to the second fan inlet, for being passed through cold air to the second air-introduced machine.
2. low-concentration organic exhaust gas concentration-arrangement for catalytic purification according to claim 1, it is characterised in that：The first order is inhaled
It is provided with the first temperature sensor in attached bed, second temperature sensor is provided on high-concentration organic waste gas output channel, preheats
It is provided with third temperature sensor between room and catalytic combustor, VOC sensor is provided in afterbody adsorbent bed.
3. low-concentration organic exhaust gas concentration-arrangement for catalytic purification according to claim 2, it is characterised in that：It inhales the second level
The 4th temperature sensor is provided in gap between attached bed and third level adsorbent bed.
4. low-concentration organic exhaust gas concentration-arrangement for catalytic purification according to claim 1, it is characterised in that：Adsorbent bed it
Between when connecting, upper level adsorbent bed bottom side is connect with the other side at the top of next stage adsorbent bed.
5. low-concentration organic exhaust gas concentration-arrangement for catalytic purification according to claim 1, it is characterised in that：The absorption
Agent is acticarbon or adsorbent of molecular sieve.
6. low-concentration organic exhaust gas concentration-arrangement for catalytic purification according to claim 1 or 5, it is characterised in that：It is described to urge
Change the noble metal of precious metals pd-Pt integral catalyzer or alumina load that cordierite honeycomb ceramic load is equipped in combustion chamber
Pd-Pt catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565513.0U CN208139299U (en) | 2018-04-20 | 2018-04-20 | A kind of concentration-arrangement for catalytic purification of low-concentration organic exhaust gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820565513.0U CN208139299U (en) | 2018-04-20 | 2018-04-20 | A kind of concentration-arrangement for catalytic purification of low-concentration organic exhaust gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579320A (en) * | 2018-04-20 | 2018-09-28 | 盐城中创环保科技有限公司 | A kind of concentration-arrangement for catalytic purification, the system and method for low-concentration organic exhaust gas |
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2018
- 2018-04-20 CN CN201820565513.0U patent/CN208139299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579320A (en) * | 2018-04-20 | 2018-09-28 | 盐城中创环保科技有限公司 | A kind of concentration-arrangement for catalytic purification, the system and method for low-concentration organic exhaust gas |
| CN108579320B (en) * | 2018-04-20 | 2021-02-26 | 盐城中创环保科技有限公司 | Concentration-catalytic purification device, system and method for low-concentration organic waste gas |
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