CN110368814A - A kind of method of catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gas - Google Patents
A kind of method of catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gas Download PDFInfo
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- CN110368814A CN110368814A CN201910785444.3A CN201910785444A CN110368814A CN 110368814 A CN110368814 A CN 110368814A CN 201910785444 A CN201910785444 A CN 201910785444A CN 110368814 A CN110368814 A CN 110368814A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B01D53/8603—Removing sulfur compounds
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- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/864—Removing carbon monoxide or hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
The invention discloses a kind of methods of catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gas, and mainly solving the problems, such as to discharge gas in the prior art can not qualified discharge.The present invention will contain CO, VOC by using a kind of method of catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gasS、H2、CO2And heated device is passed into desulfurizing tower desulfurization after being heated to required temperature after mixing in heat exchanger for the pressure-changeable adsorption decarbonization device discharge gas and calculating supplying air of sulfide etc., gas total sulfur content≤0.1mg/Nm after desulfurization3, the gas after desulfurization, which enters, occurs oxidation reaction in catalyst oxidation reactor, reaction generates H2O and CO2, catalyst oxidation reactor reaction after exit gas non-methane total hydrocarbons content≤60mg/m3, CO content≤1000mg/Nm3, reach discharge standard, exit gas enters the heat exchanger and pressure swing adsorption decarbonization discharge gas heat exchange, the high altitude discharge up to standard after exchanging heat.The technical solution preferably solves the problems, such as environment protection standard, can be used for pressure-changeable adsorption decarbonization device discharge gas disposal.
Description
Technical field
The invention belongs to gas separation technique fields more particularly to a kind of catalytic oxidation treatment pressure-changeable adsorption decarbonization device to arrange
The method of deflation.
Background technique
Pure and fresh air, clean water source, clean and tidy living environment, with the deep progress of China's Ecological Civilization Construction,
Environmental pollution has become the hot topic that current people pay close attention to the most, requires the improvement of environment also higher and higher.Transformation
Adsorbed gas adsorption separation technology has obtained extensively in the industries gas reclaiming clean such as steel, gas, electronics, petroleum and chemical industry
Using pressure-variable adsorption is to realize absorption and regeneration, the meeting in regenerative process by the variation of pressure as gas cleaning plant
Generate a large amount of discharge gas (air is taken out in reverse gas and parsing).
Contain high concentration CO in pressure-changeable adsorption decarbonization device discharge gas2And harmful gas such as a small amount of CO, VOCs, sulfide
Body.VOCs is the english abbreviation of volatile organic compounds (volatile organic compounds), most of VOCs
Species inherently have toxicological characteristics, and it is to cause O that some of species, which also have stronger photochemical reaction activity,3Pollution
Important as precursors object, while the product of its Atmospheric Chemistry reaction is the important component in fine particle, and leads to haze weather
Important as precursors object, it is seen that VOCSThere is highly important facilitation to the formation of compound atmosphere pollution, with Environmental Protection in China
It is required that continuous improvement, to volatile organic matter (VOCS) discharge limitation be increasingly stringenter, to VOCSIt needs by innoxious
Processing, meets the regulation of national standard " discharge standard of air pollutants " (GB16297 and the provincial standard newly put into effect)
It is required that non-methane total hydrocarbons concentration is down to 120mg/Nm3Hereinafter, can just be emitted into atmospheric environment.Sulfide not only results in down
The poisoning of catalyst and the rotten candle of equipment etc. during trip, being discharged into atmosphere also can cause environmental pollution, thus under entrance
Swimming process, it is necessary to be removed before.CO(carbon monoxide) be a kind of toxic inflammable, explosive gas, easily with blood red egg
White combination has mortal injury to human and animal, when CO content is 2.0 × 10 in air-5When mol/L, people within two hours
It just will appear dizzy and vomiting phenomenon, when content reaches 1.2%, meeting causing death in 1-3min, therefore carbon monoxide is
One of six basic control pollutant projects in China's " ambient air quality ", eliminating CO pollution has weight to human health
The realistic meaning wanted.Local governments are in discharge standard of air pollutants to CO, VOC thusS, sulfide emission does
Stringent regulation, such as Pekinese DB11/501-2017, the DB31/933-2015 in Shanghai, DB13/487-2002 couples of Hebei
CO highest allows concentration of emission to be limited to 1000mg/Nm3, non-methane total hydrocarbons concentration be down to 120mg/Nm3Below,.
Existing pressure swing adsorption decarbonization process units inverse put feed channel is directly to discharge to day, if parsing is taken out air and do not recycled
Using also direct emission, directly drop a hint in CO2、CO、VOCS, the gases such as sulfide surrounding enviroment will be caused to pollute, and it is inverse
Deflate with smoke air be not together with discharge.Therefore, solve the problems, such as that this kind of row's Outgassing contaminations are particularly important.
Summary of the invention
In view of the above-mentioned problems, side of the present invention by using a kind of catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gas
Method, specific technical solution are as follows:
A kind of method of catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gas, includes the following steps:
(1) CO, VOC hybrid reaction: will be containedS、H2、CO2And the pressure-changeable adsorption decarbonization device discharge gas of sulfide etc. is matched with calculating
Enter air to be uniformly mixed in heat exchanger；
(2) it desulfurization process: is passed into desulfurizing tower after the heated device heating of mixing gas de- with organic sulfur catalyst and inorganic sulfur
Sulphur agent contacts row desulfurization process；
(3) catalytic oxidation treatment: the gas after desulfurization enters reaction in catalyst oxidation reactor and generates H2O and CO2, catalysis oxidation
Exit gas after reactor reaction reaches discharge standard, wherein total hydrocarbon content≤60mg/Nm of non-methane3, CO content≤
1000mg/Nm3, exit gas enters heat exchanger and pressure swing adsorption decarbonization discharge gas exchanges heat, the high altitude discharge after heat exchange is up to standard.
Further, gas total sulfur content≤0.1mg/Nm after step (2) described desulfurization3。
Further, the catalyst used in step (3) described catalyst oxidation reactor is including any one in platinum, palladium
Or two kinds combination catalyst, the catalyst be noble metal honeycomb catalyst or base metal honeycomb catalyst, it is preferably expensive
Metal honeycomb catalyst.
Further, the gas after step (3) described desulfurization enters the air speed of catalyst oxidation reactor are as follows: 5000 ~ 20000
h-1；Into the temperature before reactor are as follows: 150 ~ 250 DEG C, reaction pressure are as follows: 3 ~ 200kPa.g；Oxidation reaction conversion ratio is greater than
90%。
Further, step (3) the operation of heat exchanger temperature is 0 ~ 500 DEG C；Heater operation temperature is 150 ~ 600
℃；Catalyst oxidation reactor operation temperature is 150 ~ 600 DEG C, and operating pressure is 3 ~ 200kPa.g.
Further, organic sulfur catalyst in the desulfurizing tower is urged using hydrolysis desulphurization catalyst or cobalt molybdenum hydrodesulfurization
Agent, inorganic desulfurizing agent of sulfur are the desulfurizing agents of zinc oxide, the iron oxide combination of any one or two kinds.
A kind of device of the method for the discharge of the catalytic oxidation treatment pressure-changeable adsorption decarbonization device according to any of the above-described gas,
It is characterized in that, the device includes:
Mixing portion, gas-gas heat exchanger (9), heater (10), reactive moieties, empty clinder (13)；
Wherein the cold phase entrance of gas-gas heat exchanger (9) is connect through mixture pipe A(3) with mixing portion, gas-gas heat exchanger (9) it is cold
Mutually outlet passes through mixture pipe B(4 with the entrance of heater (10)) it connect；
Heater (10) outlet passes through mixture pipe C(5) it is connect with reactive moieties entrance, then reacted section port passes through mixing
Tracheae E(7) it is connect with the hot phase reaction entrance of gas-gas heat exchanger (9)；
The hot phase reaction outlet of gas-gas heat exchanger (9) passes through mixture pipe F(8) it is connect with empty clinder (13).
Further, the mixing portion includes pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) and air hose (2), institute
State pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) outlet and air hose (2) outlet through mixture pipe A(3) collects after and
The cold phase entrance of gas-gas heat exchanger (9) is connected.
Further, the reactive moieties include desulfurizing tower (11) and catalytic reactor (12)；
Wherein desulfurizing tower (11) entrance passes through mixture pipe C(5) it is connected with heater (10) outlet, desulfurizing tower (11) outlet passes through
Mixture pipe D(6) it is connected with catalytic reactor (12) entrance, catalytic reactor (12) outlet passes through mixture pipe E(7) and gas gas
The hot phase entrance of heat exchanger (9) is connected.
Further, the mixture pipe B(4 that the gas-gas heat exchanger (9) is connected with heater (10)) partially it is provided with survey
Warm spot A(20).
Further, the mixture pipe C(5 that the heater (10) is connected with desulfurizing tower (11)) partially it is provided with temperature measuring point
B(21).
Further, the mixture pipe E(7 that the catalyst oxidation reactor (12) is connected with gas-gas heat exchanger (9)) part
It is disposed with temperature measuring point C(23), CO, VOCs, H2In-line analyzer A(24).
Further, the mixture pipe F(8 that the gas-gas heat exchanger (9) is connected with empty clinder (13)) partially set gradually
Have control valve D(18), temperature measuring point D(25).
Further, the mixture pipe D(6 that the desulfurizing tower (11) is connected with catalyst oxidation reactor (12)) part setting
There are sulfide in-line analyzer (22).
Further, the gaseous mixture that pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) is connected with gas-gas heat exchanger (9)
Pipe A(3) on be disposed with CO, VOCs, H2In-line analyzer B(19), control valve A(15)；
Control valve A(15 is respectively arranged in pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) and air hose (2) before collecting) and control
Valve B(16)；
Control valve A(15) with control valve B(16) front end be additionally provided with air control valve (14), and with CO, VOCs, H2Online point
Analyzer A (19) formation is chain, and the air control valve (14) is connected to pressure-changeable adsorption decarbonization device discharge gas general pipeline (1)
With air hose (2) both ends.
Further, it is also connected between pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) and air control valve (14)
Have control valve C(17), the control valve C(17) it is connect with mixture pipe F(8), and positioned at the rear of temperature measuring point D(25).
The beneficial effects of the present invention are:
The present invention provides a kind of method of new catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gas, solves the prior art
Middle pressure-changeable adsorption decarbonization device discharge gas can not qualified discharge the problem of.There is this method pressure-changeable adsorption decarbonization device to discharge gas energy
The advantages of enough continuous-stable qualified discharges, discharge total sulfur content≤0.1mg/Nm of gas3, non-methane total hydrocarbons content≤60mg/Nm3、
CO content≤1000mg/Nm3, there is preferable technical effect.
Detailed description of the invention
Fig. 1 is the flow diagram of device of the present invention.
In Fig. 1,1- pressure-changeable adsorption decarbonization device discharge gas general pipeline, 2- air hose, 3- mixture pipe A, 4- mixture pipe B,
5- mixture pipe C, 6- mixture pipe D, 7- mixture pipe E, 8- mixture pipe F, 9- gas-gas heat exchanger, 10- heater, 11- are de-
Sulphur tower, 12- catalyst oxidation reactor, 13- empty clinder, 14- air control valve, 15- control valve A, 16- control valve B, 17- control
Valve C, 18- control valve D, 19-CO, VOCs, H2In-line analyzer A, 20- temperature measuring point A, 21- temperature measuring point B, 22- sulfide divides online
Analyzer, 23- temperature measuring point C, 24-CO, VOCs, H2In-line analyzer B, 25- temperature measuring point D.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of pressure-changeable adsorption decarbonization device discharge qi exhaustion CO, VOCS, sulfide purification dress
It sets:
Containing CO, VOCS、H2、CO2And sulfide etc. pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) on be provided with CO,
VOCs、H2In-line analyzer A (19) is provided with air control valve (14) on air hose (2), and with CO, VOCs, H2On-line analysis
Instrument A (19) formation is chain, according to CO, VOCs, H2CO, VOC that in-line analyzer A (19) is obtainedS、H2Content automatic adjustment is empty
The aperture of gas regulating valve (14) guarantees catalysis to control the air capacity and reaction temperature that enter in catalyst oxidation reactor (12)
Oxidation reactor (12) safe and stable operation.
Pressure-changeable adsorption decarbonization device discharges gas general pipeline (1) and calculates supplying air hose (2) through control valve A(15), gaseous mixture
Pipe A (3), which is uniformly mixed, to be entered in gas-gas heat exchanger (9), and gaseous mixture takes off CO, VOCS, H2 with from catalyst oxidation reactor (9)
Treated reaction gas is delivered in gas-gas heat exchanger (9) through mixture pipe E(7) and carries out gas converting heat.Gas passes through after heat exchange
Mixture pipe B(4) enter heater (10) heating, temperature measuring point A(20 is provided on mixture pipe B(4)), mixture pipe C(5)
On be provided with temperature measuring point B(21), heater (10) electric heating control temperature measuring point B(21) temperature, initial operating stage needs to use
Heater (10) heats gas, and after catalyst oxidation reactor (12) normal operation, heating can be automatically closed in heater (10),
Being heated using gas-gas heat exchanger (9) maintains catalyst oxidation reactor (12) to operate normally.Needed for gas heater (10) is heated to
It is passed into desulfurizing tower (11) desulfurization through mixture pipe C(5) after temperature, gas total sulfur content≤0.1mg/Nm after desulfurization3, desulfurization
Gas afterwards is entered through mixture pipe D(6) occurs oxidation reaction in catalyst oxidation reactor (12), generate H2O and CO2, urging
The outlet mixture pipe E(7 of oxidation device (12)) on be provided with CO, VOCs, H2In-line analyzer B(24), temperature measuring point C
(23), CO, VOCs, H are monitored2Catalytic oxidation conversion ratio and reaction temperature, the gas non-methane total hydrocarbons content after making reaction
≤60mg/Nm3Hereinafter, CO content≤1000mg/Nm3.The exit gas of catalyst oxidation reactor (12) through mixture pipe E(7) into
Enter gas-gas heat exchanger (9) and mixture pipe A(3) outflow pressure swing adsorption decarbonization discharge gas carry out heat exchange, through mixing after heat exchange
Tracheae F(8), control valve D(18) enter empty clinder (13) high altitude discharge, temperature measuring point D(25 is provided on mixture pipe E(7)),
For monitoring the temperature of the heat exchange efficiency and regulation temperature measuring point A(20) of heat exchanger.When catalyst oxidation reactor (12) parking maintenance,
More catalyst changeout, when system needs air displacement, close air control valve (14), control valve A(15), control valve C(17), open control
Valve B(16 processed), control valve D(18), adjust control valve B(16) aperture adjusts air capacity.When pressure-changeable adsorption decarbonization device discharges
CO, VOCs, the H being arranged on gas general pipeline (1)2In-line analyzer A(19) obtain CO, VOCS, sulfide, H2Content has reached discharge
Standard then closes air control valve (14) valve, control valve A(15), control valve D(18), open control valve C(17) directly row
It puts.
Entered for this CO catalytic oxidation goes out device by the reverse gas of pressure-changeable adsorption decarbonization device discharge, inverse put throughput is
20336.844 Nm3/ h, pressure are 10 kPa.g, and temperature is 32 DEG C, and composition and flow are shown in Table 1.
Table 1, processing reverse gas composition and quantity:
。
Using the device of CO in catalytic oxidation treatment processing pressure swing adsorption decarbonization discharge gas of the invention, heat exchanger 9 is controlled
Operation temperature is 330 DEG C, and heater operation temperature is 160 DEG C, and catalyst oxidation reactor operation temperature is 380 DEG C.Control operation
Pressure is 5kPa.g.Catalyst is platinum noble metals honeycomb catalyst, and desulfurizing agent is zinc oxide fine desulfurizer.As a result, by desulfurization,
Catalytic oxidation processing contains CO, VOCS, sulfide pressure swing adsorption decarbonization discharge gas, CO removal rate is in 97% or more, VOCSIt goes
Except rate is 96.5% or more, sulfide removal rate is 99.9% or more, and CO content average value is 800mg/ in treated discharge gas
Nm3, total sulfur content average value is 0.06mg/Nm3, non-methane total hydrocarbons content average value is 55mg/Nm3, exhaust tube high-altitude can be passed through
Direct emission.
Embodiment 2
According to device described in embodiment 1, the stripping gas of pressure-changeable adsorption decarbonization device discharge enters this CO catalytic oxidation abjection dress
It sets, desorption atmospheric pressure is 6 kPa.g, and temperature is 30 DEG C, and composition and flow are shown in Table 2.
Table 2, processing reverse gas composition and quantity:
。
Using the device of CO in catalytic oxidation treatment processing pressure swing adsorption decarbonization discharge gas of the invention, heat exchanger 9 is controlled
Operation temperature is 300 DEG C, and heater operation temperature is 200 DEG C, and catalyst oxidation reactor operation temperature is 330 DEG C, control operation
Pressure is 5kPa.g.Catalyst is palladium noble metal honeycomb catalyst, and desulfurizing agent is hydrolysis desulphurization catalyst and iron oxide, oxidation
The combination of zinc desulfurizing agent.CO, VOC are contained by desulfurization, catalytic oxidation processing as a result,S, sulfide pressure swing adsorption decarbonization solution
Air-breathing, CO removal rate is in 96.5% or more, VOCS97.7% or more, sulfide removal rate is handled removal rate 99.9% or more
CO content average value is 600mg/Nm in discharge gas afterwards3, total sulfur content average value is 0.1mg/Nm3, non-methane total hydrocarbons concentration is flat
Mean value is 58mg/Nm3, exhaust tube high-altitude direct emission can be passed through.
Embodiment 3
According to device described in embodiment 1, the stripping gas and the mixed discharge gas of reverse gas of pressure-changeable adsorption decarbonization device discharge
Deviate from device into this CO catalytic oxidation, discharge atmospheric pressure is 8kPa.g, and temperature is 30 DEG C, and composition and flow are shown in Table 3.
Table 3 handles reverse gas composition and quantity:
。
Using the device of CO in catalytic oxidation treatment processing pressure swing adsorption decarbonization discharge gas of the invention, heat exchanger 9 is controlled
Operation temperature is 330 DEG C, and heater operation temperature is 250 DEG C, and catalyst oxidation reactor operation temperature is 375 DEG C, control operation
Pressure is 5kPa.g.Catalyst is 55% platinum and 45% palladium noble metal honeycomb catalyst, and desulfurizing agent is cobalt molybdenum hydrodesulfurization catalytic
Agent and iron oxide, zinc oxide fine desulfurizer combination.CO, VOC are contained by desulfurization, catalytic oxidation processing as a result,S, vulcanization
The pressure swing adsorption decarbonization of object discharges gas (reverse gas+stripping gas), and CO removal rate is in 95.6% or more, VOCSRemoval rate 97.7% with
On, sulfide removal rate is 99.9% or more, and CO content average value is 950mg/Nm in treated discharge gas3, total sulfur content is flat
Mean value is 0.08mg/Nm3, non-methane total hydrocarbons content average value is 52mg/Nm3, exhaust tube high-altitude direct emission can be passed through.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (16)
1. a kind of method of catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gas, which is characterized in that this method includes as follows
Step:
(1) CO, VOC hybrid reaction: will be containedS、H2、CO2And the pressure-changeable adsorption decarbonization device discharge gas of sulfide etc. is matched with calculating
Enter air to be uniformly mixed in heat exchanger；
(2) it desulfurization process: is passed into desulfurizing tower after the heated device heating of mixing gas de- with organic sulfur catalyst and inorganic sulfur
Sulphur agent contacts row desulfurization process；
(3) catalytic oxidation treatment: the gas after desulfurization enters reaction in catalyst oxidation reactor and generates H2O and CO2, catalysis oxidation
Exit gas after reactor reaction reaches discharge standard, wherein total hydrocarbon content≤60mg/Nm of non-methane3, CO content≤
1000mg/Nm3, exit gas enters heat exchanger and pressure swing adsorption decarbonization discharge gas exchanges heat, the high altitude discharge after heat exchange is up to standard.
2. the method according to claim 1, wherein gas total sulfur content after step (2) described desulfurization≤
0.1mg/Nm3。
3. the method according to claim 1, wherein what is used in step (3) described catalyst oxidation reactor urges
Agent is the catalyst for including platinum, any one in palladium or two kinds of combinations, and the catalyst is noble metal honeycomb catalyst or non-
Noble metal honeycomb catalyst, preferably noble metal honeycomb catalyst.
4. the method according to claim 1, wherein the gas after step (3) described desulfurization enters catalysis oxidation
The air speed of reactor are as follows: 5000 ~ 20000 h-1；Into the temperature before reactor are as follows: 150 ~ 250 DEG C, reaction pressure are as follows: 3 ~
200kPa.g；Oxidation reaction conversion ratio is greater than 90%.
5. the method according to claim 1, wherein step (3) the operation of heat exchanger temperature is 0 ~ 500 DEG C；
Heater operation temperature is 150 ~ 600 DEG C；Catalyst oxidation reactor operation temperature be 150 ~ 600 DEG C, operating pressure be 3 ~
200kPa.g。
6. the method according to claim 1, wherein organic sulfur catalyst in the desulfurizing tower is de- using hydrolysis
Sulfur catalyst or cobalt molybdenum Hydrobon catalyst, inorganic desulfurizing agent of sulfur are a kind of in zinc oxide, iron oxide or two kinds.
7. a kind of method of any one of -6 catalytic oxidation treatment pressure-changeable adsorption decarbonization device discharge gas according to claim 1
Device, which is characterized in that the device includes:
Mixing portion, gas-gas heat exchanger (9), heater (10), reactive moieties, empty clinder (13)；
Wherein the cold phase entrance of gas-gas heat exchanger (9) is connect through mixture pipe A(3) with mixing portion, gas-gas heat exchanger (9) it is cold
Mutually outlet passes through mixture pipe B(4 with the entrance of heater (10)) it connect；
Heater (10) outlet passes through mixture pipe C(5) it is connect with reactive moieties entrance, then reacted section port passes through mixing
Tracheae E(7) it is connect with the hot phase reaction entrance of gas-gas heat exchanger (9)；
The hot phase reaction outlet of gas-gas heat exchanger (9) passes through mixture pipe F(8) it is connect with empty clinder (13).
8. device according to claim 7, which is characterized in that the mixing portion includes pressure-changeable adsorption decarbonization device discharge
Gas general pipeline (1) and air hose (2), the outlet of pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) and the outlet of air hose (2)
It is connected after mixture pipe A(3) collects with the cold phase entrance of gas-gas heat exchanger (9).
9. device according to claim 7, which is characterized in that the reactive moieties include that desulfurizing tower (11) is reacted with catalysis
Device (12)；
Wherein desulfurizing tower (11) entrance passes through mixture pipe C(5) it is connected with heater (10) outlet, desulfurizing tower (11) outlet passes through
Mixture pipe D(6) it is connected with catalytic reactor (12) entrance, catalytic reactor (12) outlet passes through mixture pipe E(7) and gas gas
The hot phase entrance of heat exchanger (9) is connected.
10. device according to claim 7, which is characterized in that the gas-gas heat exchanger (9) was connected with heater (10)
Mixture pipe B(4) partially it is provided with temperature measuring point A(20).
11. device according to claim 7, which is characterized in that the heater (10) is connected mixed with desulfurizing tower (11)
Close tracheae C(5) partially it is provided with temperature measuring point B(21).
12. device according to claim 7, which is characterized in that the catalyst oxidation reactor (12) and gas-gas heat exchanger
(9) connected mixture pipe E(7) partially it is disposed with temperature measuring point C(23), CO, VOCs, H2In-line analyzer A(24).
13. device according to claim 7, which is characterized in that the gas-gas heat exchanger (9) was connected with empty clinder (13)
Mixture pipe F(8) be partially disposed with control valve D(18), temperature measuring point D(25).
14. device according to claim 7, which is characterized in that the desulfurizing tower (11) and catalyst oxidation reactor (12)
Connected mixture pipe D(6) partially it is provided with sulfide in-line analyzer (22).
15. device according to claim 8, which is characterized in that pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) with
The connected mixture pipe A(3 of gas-gas heat exchanger (9)) on be disposed with CO, VOCs, H2In-line analyzer B(19), control valve A
(15)；
Control valve A(15 is respectively arranged in pressure-changeable adsorption decarbonization device discharge gas general pipeline (1) and air hose (2) before collecting) and control
Valve B(16)；
Control valve A(15) with control valve B(16) front end be additionally provided with air control valve (14), and with CO, VOCs, H2Online point
Analyzer A (19) formation is chain, and the air control valve (14) is connected to pressure-changeable adsorption decarbonization device discharge gas general pipeline (1)
With air hose (2) both ends.
16. device according to claim 15, which is characterized in that the pressure-changeable adsorption decarbonization device discharges gas general pipeline (1)
Control valve C(17 is also connected between air control valve (14)), the control valve C(17) it is connect with mixture pipe F(8), and position
In the rear of temperature measuring point D(25).
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Application publication date: 20191025 |