CN205678683U - A kind of two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment - Google Patents
A kind of two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment Download PDFInfo
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- CN205678683U CN205678683U CN201620578806.3U CN201620578806U CN205678683U CN 205678683 U CN205678683 U CN 205678683U CN 201620578806 U CN201620578806 U CN 201620578806U CN 205678683 U CN205678683 U CN 205678683U
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- pipeline
- gas
- adsorption barrel
- desorption gas
- desorption
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Abstract
The utility model discloses a kind of two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment, including gas inlet pipeline, adsorption barrel, discharge duct, catalyst furnace, first desorption gas pipeline, second desorption gas pipeline, 3rd desorption gas pipeline, cooling admission line and chimney, adsorption barrel and catalyst furnace have multiple, gas inlet pipeline is connected with the air inlet of adsorption barrel, one end of first desorption gas pipeline is connected with the air inlet of adsorption barrel, the other end is connected with the inlet end of catalyst furnace, one end of second desorption gas pipeline is connected with the outlet side of catalyst furnace, the other end and the 3rd desorption gas pipeline connect；Cooling admission line is connected with the gas outlet of adsorption barrel, and discharge duct is connected with the gas outlet of adsorption barrel, and cooling admission line is connected with oxygenerator.Advantage of the present utility model: purification efficiency is high, and accumulation of heat effect is good, the concentration fall end required for ignition for the catalysis.Energy consumption is low, and normal time operating power consumption is low, need not decrease the discharge of carbon with fuel heating as RTO.
Description
Technical field
The utility model relates to exhaust-gas treatment correlative technology field, and specifically a kind of shunting for exhaust-gas treatment adds
Two grades of catalytic combustion system of oxygen formula.
Background technology
China Today is seriously polluted, and haze is wreaked havoc, and has had a strong impact on the physical and mental health of compatriots and the image of China.Make
The Main Ingredients and Appearance becoming haze is VOCs.In terms of administering VOCs, China's starting is late, but technological innovation is very fast with progressive.
Owing to present atmosphere pollutants emission standards promotes again and again, each governing measure and method are also created greatly
Test, conventional desorption catalyzing combustion apparatus be by air through heating or heat exchange reach desorption temperature after enter required for
The adsorbent bed of desorption is desorbed the activated carbon being saturated with, or direct being given vent to anger by catalysis returns to adsorption barrel.
The feature of the two technology is:
1: the shortcoming that air heating enters adsorbent bed Detachment Activity charcoal is that air origin temp is low, needs very big energy consumption
It is heated to desorption temperature, could effectively the high concentration VOC desorbing gas in activated carbon out, and oxygen-containing due in air
Tolerance is bigger, and in activated carbon, combustable gas concentration is higher, is easily caused activated carbon and catches fire, and causes safety problem.But air
Desorption is also to have advantage, and advantage is enough oxygen content, disclosure satisfy that the fuel gas in catalyst furnace fills a part combustion decomposition and becomes CO2
And H2O。
2: giving vent to anger with catalysis is directly entered the advantage of adsorbent bed Detachment Activity charcoal and is: origin temp is high, it is only necessary to small-power
Auxiliary heating the requirement that desorption temperature can be reached, and oxygen content is extremely low, when being also greatly improved desorption because catalysis is given vent to anger
The security of adsorbent bed activated carbon.So this set technique can improve the temperature of desorption, shorten desorption time, accelerate adsorbent bed
Regeneration frequency, is greatly improved the adsorption rate of activated carbon, improves purifying rate.But the serious shortcoming that this set technique exists is exactly
It is catalyzed oxygen content of giving vent to anger extremely low, the oxygen content required for catalysis burning can not be met at all and require, so causing being catalyzed ignition
Temperature is greatly improved.And can not be completely oxidized combustible gas, ultimately result in the VOC concentration in catalyst furnace more and more higher.
With the discharge standard of air pollutants that the ground such as Beijing, Shanghai gradually steps up.Traditional heat accumulating type catalysis combustion
Burn and adsorption desorption technology and heat accumulating type heating power incineration technology have been difficult to more satisfied or have reached these new standards, and this two skills
Art is nowadays or China administers the mainstream technology of VOCs.Other techniques otherwise administer can not qualified discharge, or input cost
Very big, otherwise specific aim is stronger, and market is little.
Utility model content
The purpose of this utility model is to make up the deficiencies in the prior art, providing a kind of shunting for exhaust-gas treatment
Two grades of catalytic combustion system of oxygenation type and method, concentrate the purifying rate with heat accumulating type catalytic combustion in order to improve adsorption desorption.
In order to reach the purpose of this utility model, technical scheme is as follows:
A kind of two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment, it is characterised in that include gas inlet
Pipeline, adsorption barrel, discharge duct, catalyst furnace, the first desorption gas pipeline, the second desorption gas pipeline, the 3rd desorption gas pipe
Road, cooling admission line and chimney, adsorption barrel has n, and wherein n is the integer more than 3, and catalyst furnace has multiple,
Gas inlet pipeline is connected with the air inlet of adsorption barrel, one end of the first desorption gas pipeline and the air inlet of adsorption barrel
Mouth connects, the other end is connected with the inlet end of catalyst furnace,
One end of second desorption gas pipeline is connected with the outlet side of catalyst furnace, the other end and the 3rd desorption gas pipeline even
Connect；
Cooling admission line be connected with the gas outlet of adsorption barrel, discharge duct is connected with the gas outlet of adsorption barrel, cool down into
It is connected with oxygenerator in feed channel.
Further, the second desorption gas pipeline is also connected with chimney, and the 3rd desorption gas pipeline is provided with auxiliary heating
System.
Further, described catalyst furnace include both sides high-temp combustion bed, energy storage bed and be located at described high-temp combustion bed and
Catalytic bed between energy storage bed, the side of high-temp combustion bed is provided with heating chamber.
Further, the pipeline that cooling admission line is connected with adsorption barrel gas outlet is provided with oxygen supply valve, discharge duct
The pipeline being connected with adsorption barrel gas outlet is provided with air bleeding valve, the pipeline that the 3rd desorption gas pipeline is connected with adsorption barrel gas outlet
Being provided with desorption gas intake valve, the pipeline that the first desorption gas pipeline is connected with adsorption barrel air inlet is provided with desorption gas and goes out
Air valve, the pipeline that gas inlet pipeline is connected with adsorption barrel air inlet is provided with gas inlet valve.
A kind of shunting two grades of catalytic combustion methods of oxygenation type, it is characterised in that each adsorption barrel being arranged side by side, according to suitable
Sequence carries out successively cooling down, is desorbed and adsorbed state, and when one of them adsorption barrel carries out the state of cooling, the absorption on front side of it
Bucket carries out detachment status, and remaining adsorption barrel is adsorbed state,
When adsorption barrel carries out the state of cooling and detachment status, this adsorption barrel and giving up on gas inlet pipeline connecting line
Gas intake valve cuts out, this adsorption barrel and the exhaust valve closure on discharge duct connecting line, and, when adsorption barrel carries out cooling down shape
During state, this adsorption barrel is opened with the oxygen supply valve on cooling admission line connecting line, this adsorption barrel and the first desorption gas
Desorption gas air outlet valve on connecting pipe of pipeline road is opened, the desorption on this adsorption barrel and the 3rd desorption gas connecting pipe of pipeline road
Gas inlet valve cuts out,
Desorption gas when adsorption barrel carries out detachment status, on this adsorption barrel and the first desorption gas connecting pipe of pipeline road
Air outlet valve is opened, the desorption gas INO on this adsorption barrel and the 3rd desorption gas connecting pipe of pipeline road, this adsorption barrel
Close with the oxygen supply valve on cooling admission line connecting line,
Desorption gas when adsorption barrel carries out adsorbed state, on this adsorption barrel and the first desorption gas connecting pipe of pipeline road
Air outlet valve cuts out, and the desorption gas intake valve on this adsorption barrel and the 3rd desorption gas connecting pipe of pipeline road cuts out, this adsorption barrel
Close with oxygen supply valve (14) on cooling admission line connecting line, on this adsorption barrel and gas inlet pipeline connecting line
Gas inlet valve open, this adsorption barrel is opened with the air bleeding valve on discharge duct connecting line.
3rd desorption gas air in pipeline flow is the 60%-80% of the second desorption gas air in pipeline flow.
The gas flow of cooling admission line and the 3rd desorption gas gas in pipelines flow-rate ratio are 1:4～2:3.
The utility model has the advantages that
Owing to catalysis Charge-Air Oxygen is sufficient, can be quicker than the reaction of conventional Catalytic processes, therefore combine catalysis
Stove improves together and has played more preferable clean-up effect.
System of the present utility model reduces recuperation layer, and side adds high specific heat heat storage on a catalyst, when catalysis air inlet warp
Entering upper strata high energy energy storage bed in catalyst surface catalytic reaction, high-temperature gas after crossing energy storage bed heating, heat has stayed high energy
Between energy storage bed so that catalyst layer temperature remains in the happy festival time temperature range of catalytic reaction, and high energy energy storage bed
Temperature can be more and more higher.When high energy energy storage bed temperature reaches the ignition temperature of VOC gas, high energy energy storage bed simultaneously can fire automatically
Burn and be not catalyzed VOC gas completely so that burning is more abundant, and more completely, purification efficiency is higher.
The advantage of this set technique is that purification efficiency is high, and accumulation of heat effect is good, the concentration fall end required for ignition for the catalysis.Energy consumption
Low, normal time operating power consumption is lower, without heating with fuel as RTO, also greatly reduces the discharge of carbon again.Compare biography
System heat accumulating type catalytic combustion RCO and heat accumulating type heating power burn the technique of RTO, greatly improve adsorption desorption concentration and urge with heat accumulating type
Change the purifying rate of burning.
Owing to two grades of burnings do not need with catalyst, it is possible to reduce the usage amount of catalyst, reduce equipment disposable
Input cost.High temperature gas flow owing to burning will not directly react at catalyst surface, also therefore substantially increases catalyst
Service life.
Brief description
Fig. 1 is the schematic diagram of the utility model shunting two grades of catalytic combustion system of oxygenation type.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described, but protection domain of the present utility model not only office
It is limited to embodiment.
A kind of two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment, including spray column the 1st, foam removal spark arrester is the 2nd,
Gas inlet pipeline the 3rd, adsorption barrel the 16th, discharge duct the 11st, catalyst furnace the 8th, the first desorption gas pipeline the 6th, the second desorption gas pipeline
7th, the 23rd, the 3rd desorption gas pipeline cools down admission line the 10th, oxygenerator 21 and chimney 19, and adsorption barrel 16 has been arranged side by side n, its
Middle n is integer more than 3, and the present embodiment is 7, certainly, the particular number of adsorption barrel 16 can increase according to actual needs or
Reduce.
Spray column the 1st, foam removal spark arrester 2 and gas inlet pipeline 3 are sequentially connected with, gas inlet pipeline 3 and adsorption barrel 16
Air inlet connects, and the pipeline that gas inlet pipeline 3 is connected with adsorption barrel 16 air inlet is provided with gas inlet valve 5.
One end of first desorption gas pipeline 6 is connected with the air inlet of adsorption barrel 16, the inlet end of the other end and catalyst furnace 8
Connect, and the pipeline that the first desorption gas pipeline 6 is connected with adsorption barrel 16 air inlet is provided with desorption gas air outlet valve 4.The
One end of two desorption gas pipelines 7 is connected with the outlet side of catalyst furnace 8, the gas outlet of the other end and the 3rd desorption gas pipeline 23
Connect.3rd desorption gas pipeline 23 is connected with adsorption barrel 16 gas outlet, and the 3rd desorption gas pipeline 23 goes out with adsorption barrel
The pipeline that gas port connects is provided with desorption gas intake valve 15.
Cooling admission line 10 is connected with the gas outlet of adsorption barrel 16, and discharge duct 11 connects with the gas outlet of adsorption barrel 16
Connect, cooling admission line 10 is connected with oxygenerator 21.Added an oxygenerator before cooling bed cooling air inlet, improve cool down into
The oxygen content of gas, enters youngster and improves the oxygen content of catalyst furnace 8 air inlet, and owing in catalyst furnace 8, oxygen content is sufficient, catalysis is anti-
VOC fuel gas should be decomposed completely, thus catalysis give vent to anger can be with qualified discharge；It is low owing to being catalyzed oxygen content of giving vent to anger,
Entering desorption bucket 16 can increase the security of activated carbon, so the temperature of this cover system desorption can be higher, desorption frequency is also
Very fast, substantially increase the utilization rate of activated carbon, so in the case of equal air quantity comparable sodium, the purifying rate of this cover system
Can be greatly improved.The pipeline that cooling admission line 10 is connected with adsorption barrel 16 gas outlet is provided with oxygen supply valve the 14th, blast pipe
The pipeline that road 11 is connected with adsorption barrel 16 gas outlet is provided with air bleeding valve 12.The pipeline being connected between discharge duct 11 with chimney 19
On be additionally provided with blower fan.
Second desorption gas pipeline 7 is also connected with chimney, and the 3rd desorption gas pipeline 23 is provided with auxiliary heating system
20。
Catalyst furnace 8 includes high-temp combustion bed the 17th, the energy storage bed 18 of both sides and is located at described high-temp combustion bed 17 and accumulation of heat
Catalytic bed 16 between bed 18, the side of high-temp combustion bed 17 is provided with heating chamber 22, for heating high-temp combustion bed 17.
Each adsorption barrel 16 is arranged side by side, and carries out successively in order cooling down, is desorbed and adsorbed state, and ought wherein one
When individual adsorption barrel 16 carries out the state of cooling, the adsorption barrel 16 on front side of it carries out detachment status, and remaining adsorption barrel 16 is adsorbed state,
For example when No. 1 adsorption barrel is the state of cooling, No. 1 adsorption barrel and the waste gas on gas inlet pipeline 3 connecting line
Intake valve 5 cuts out, and No. 1 adsorption barrel is closed with the air bleeding valve 12 on discharge duct 11 connecting line, No. 1 adsorption barrel and cooling air inlet
Oxygen supply valve 14 on pipeline 10 connecting line is opened, taking off on No. 1 adsorption barrel and the first desorption gas pipeline 6 connecting line
Attached gas air outlet valve 4 is opened, and the desorption gas intake valve 15 on No. 1 adsorption barrel and the 3rd desorption gas pipeline 23 connecting line closes
Close.
Now No. 2 adsorption barrels enter detachment status, and No. 2 adsorption barrels enter with the waste gas on gas inlet pipeline 3 connecting line
Air valve 5 is closed, and No. 2 adsorption barrels are closed with the air bleeding valve 12 on discharge duct 11 connecting line, No. 2 adsorption barrels and the first desorption gas
Desorption gas air outlet valve 4 on body pipeline 6 connecting line is opened, No. 2 adsorption barrels and the 3rd desorption gas pipeline 23 connecting line
On desorption gas intake valve 15 open, No. 2 adsorption barrels close with the oxygen supply valve 14 on cooling admission line 10 connecting line
Close.
Now the 3rd, the 4th, the 5th, the 6th, No. 7 adsorption barrels be adsorbed state, these adsorption barrels and the first desorption gas pipeline 6 connecting tube
Desorption gas air outlet valve 4 on road cuts out, the desorption gas on these adsorption barrels and the 3rd desorption gas pipeline 23 connecting line
Intake valve 15 cuts out, and these adsorption barrels are closed with the oxygen supply valve 14 on cooling admission line 10 connecting line, these absorption
Bucket is opened with the gas inlet valve 5 on gas inlet pipeline 3 connecting line, on these adsorption barrels and discharge duct 11 connecting line
Air bleeding valve 12 open.The gas producing after desorption is high-concentration waste gas, enters in catalyst furnace 8 from the first desorption gas pipeline 6
Catalysis.And this part high-concentration waste gas, including from the cooling gas being mixed with oxygen that is passed through of admission line 10 and from the 3rd
The catalysis that desorption gas pipeline 23 is passed through is given vent to anger.
In 3rd desorption gas pipeline 23, gas flow is the 60%-80% of gas flow in the second desorption gas pipeline 7,
Because the catalysis of some is given vent to anger and is directly entered chimney 19 and discharges, another part enters after auxiliary heating system 20 heating to be inhaled
Detachment Activity charcoal in attached bucket.In the gas flow of cooling admission line 10 and the 3rd desorption gas pipeline 23, gas flow ratio is 1:
4～2:3, in other words, enters the gas of adsorption barrel from adsorption barrel gas outlet, and 20%-40% is cooling air inlet, and 60%-80% is
Gas after being catalyzed and heating.After auxiliary heating system 20 heating, gas temperature reaches 130 DEG C～160 DEG C, after desorption, the
In one desorption gas pipeline 6, the temperature of gas is 80 DEG C～90 DEG C.
Gas inlet pipeline 3 is also associated with bypass valve 13, can directly drain waste gas, keep in repair standby.First desorption gas
It is also associated with on pipeline 6 cleaning blower fan 24.Cleaning blower fan 24 can by the first desorption gas pipeline 6 respectively with three catalyst furnaces even
Connect, and the pipeline connecting is provided with valve, therefore can respectively each catalyst furnace be carried out.First desorption gas pipeline 6
Being equipped with a valve on the pipeline being connected with each catalyst furnace 8, the second desorption gas pipeline 7 is connected with each catalyst furnace 8
Also it is equipped with a valve, in order to adjust respectively and to control the desorption gas air inflow of each catalyst furnace and catalysis is given vent to anger on pipeline
Gas output.
It is last it is noted that above example is only in order to illustrate that the utility model not limits the utility model and retouched
The technical scheme stated, therefore, although the utility model is had been carried out detailed with reference to each above-mentioned embodiment by this specification
Illustrate, but, it will be understood by those within the art that, still the utility model can be modified or be equal to and replace
Changing, and all being without departing from the technical scheme of spirit and scope of the present utility model and improvement thereof, it all should cover in this practicality new
In the right of type.
Claims (4)
1. two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment, it is characterised in that include exhaust inlet pipe
Road (3), adsorption barrel, discharge duct (11), catalyst furnace (8), the first desorption gas pipeline (6), the second desorption gas pipeline (7),
3rd desorption gas pipeline (23), cooling admission line (10) and chimney (19), adsorption barrel has n, and wherein n is for more than 3
Integer, catalyst furnace has multiple,
Gas inlet pipeline is connected with the air inlet of adsorption barrel, and one end of the first desorption gas pipeline connects with the air inlet of adsorption barrel
Connect, the other end is connected with the inlet end of catalyst furnace (8),
One end of second desorption gas pipeline is connected with the outlet side of catalyst furnace, the other end and the 3rd desorption gas pipeline (23) even
Connect；
Cooling admission line is connected with the gas outlet of adsorption barrel, and discharge duct is connected with the gas outlet of adsorption barrel, cools down air inlet pipe
It is connected with oxygenerator (21) on road.
2. two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment according to claim 1, it is characterised in that
Second desorption gas pipeline is also connected with chimney, and the 3rd desorption gas pipeline is provided with auxiliary heating system (20).
3. two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment according to claim 1, it is characterised in that
Described catalyst furnace includes the high-temp combustion bed (17) of both sides, energy storage bed (18) and is located at described high-temp combustion bed (17) and stores
Catalytic bed (16) between hott bed (18), the side of high-temp combustion bed is provided with heating chamber (22).
4. two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment according to claim 1, it is characterised in that
The pipeline that cooling admission line is connected with adsorption barrel gas outlet is provided with oxygen supply valve (14), discharge duct is given vent to anger with adsorption barrel
The pipeline that mouth connects is provided with air bleeding valve (12), and the pipeline that the 3rd desorption gas pipeline (23) is connected with adsorption barrel gas outlet sets
Having desorption gas intake valve (15), the pipeline that the first desorption gas pipeline (6) is connected with adsorption barrel air inlet is provided with desorption gas
Body air outlet valve (4), the pipeline that gas inlet pipeline is connected with adsorption barrel air inlet is provided with gas inlet valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578806.3U CN205678683U (en) | 2016-06-14 | 2016-06-14 | A kind of two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578806.3U CN205678683U (en) | 2016-06-14 | 2016-06-14 | A kind of two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment |
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| Publication Number | Publication Date |
|---|---|
| CN205678683U true CN205678683U (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620578806.3U Expired - Fee Related CN205678683U (en) | 2016-06-14 | 2016-06-14 | A kind of two grades of catalytic combustion system of shunting oxygenation type for exhaust-gas treatment |
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| Country | Link |
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| CN (1) | CN205678683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927993A (en) * | 2016-06-14 | 2016-09-07 | 上海唯绿科技有限公司 | Flow dividing oxygen adding type second-stage catalytic combustion system and method used for waste gas treatment |
| CN111006229A (en) * | 2019-12-30 | 2020-04-14 | 武汉隆亿达环保工程有限公司 | RCO catalytic combustion device |
-
2016
- 2016-06-14 CN CN201620578806.3U patent/CN205678683U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927993A (en) * | 2016-06-14 | 2016-09-07 | 上海唯绿科技有限公司 | Flow dividing oxygen adding type second-stage catalytic combustion system and method used for waste gas treatment |
| CN111006229A (en) * | 2019-12-30 | 2020-04-14 | 武汉隆亿达环保工程有限公司 | RCO catalytic combustion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20190614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |