CN208282134U - A kind of novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment - Google Patents
A kind of novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment Download PDFInfo
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- CN208282134U CN208282134U CN201820677740.2U CN201820677740U CN208282134U CN 208282134 U CN208282134 U CN 208282134U CN 201820677740 U CN201820677740 U CN 201820677740U CN 208282134 U CN208282134 U CN 208282134U
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- control equipment
- low temperature
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- absorption
- catalysis oxidation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
A kind of novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment, including sequentially connected refrigeration unit, absorption tower, equalization of concentration device, catalytic oxidation unit and exhaust apparatus, refrigeration unit is used to that the poor diesel oil into the absorption tower to be made to be cooled down and be boosted, catalytic oxidation unit includes sequentially connected heat exchanger, electric heater and reactor, heat exchanger is connect with the equalization of concentration device, and heat exchanger is connect with the exhaust apparatus.The utility model absorptive unit and catalytic oxidation unit are highly integrated, are arranged on overall base, can whole Transporting be placed in mass-type foundation to scene, in device fabrication factory assemble, reduce site operation installing engineering amount；Absorbent diesel oil is cooled down and boosted using refrigeration unit, substantially increases the assimilation effect of VOCs exhaust gas；Equalization of concentration device and reactor batch temperature interlock, and reactor batch temperature control is stablized, and reaction is quick, and temperature of reactor control is stablized.
Description
Technical field
The utility model relates to a kind of processing units, more particularly to a kind of novel low temperature boosting absorption catalysis oxidation VOCs
Emission-control equipment.
Background technique
The exhaust emission environment of Organic Waste Gas Pollution object VOCs, endangers health of people.Country formulates the discharge of VOCs
Many standards and specifications.VOCs's is many kinds of, and characteristic is different, accordingly uses different administering methods.Currently, common processing
Method has absorption process, catalytic oxidation, absorption process and catalytic oxidation combination administering method.Wherein, absorption process and catalysis oxidation
Effect of the processing method that method combines when handling Organic Waste Gas Pollution object VOCs is relatively good.
But absorption+catalytic oxidation technique of the prior art has the disadvantage in that absorption tower and catalysis oxidation dispersion cloth
It sets, needs use site to install, take up a large area, the equipment such as absorption tower need individually to do basis, field engineering installation
Amount is big；Absorbent is done using diesel oil, working condition room temperature, normal pressure, assimilation effect is not satisfactory, such as ethane and propane, causes
VOCs concentration or relatively high after absorption, fluctuation is big, is not suitable for that rear portion catalytic oxidation unit is stable and safe operation；Catalysis oxidation
Unit gas concentration balanced device design it is unreasonable, mixer selector valve with mix after VOCs concentration interlocked control, because concentration detector reaction
It lags, diluted concentration should not control stabilization after air and air-fuel mixture, be easy to cause VOCs concentration is higher to lead to catalyst bed
Overtemperature, catalyst inactivation or security risk；Catalysis oxidation wind turbine layout holds in reactor bed front end, the sealings such as pipeline and equipment
Easily there is oil and gas leakage, causes security risk.
It now needs to find a kind of new above problem of technical solution solution.
Utility model content
The technical problems to be solved in the utility model is in order to overcome the defects of the prior art, now to provide a kind of novel
Low temperature boosting absorption catalysis oxidation VOCs emission-control equipment, arrangement highly integrated using absorptive unit and catalytic oxidation unit
On overall base, can whole Transporting be placed in mass-type foundation to scene, in device fabrication factory assemble, reduce site operation
Installing engineering amount；Absorbent diesel oil is cooled down and boosted using refrigeration unit, substantially increases the absorption effect of VOCs exhaust gas
Fruit；Equalization of concentration device and reactor batch temperature interlock, and reactor batch temperature control is stablized, and reaction is quick, temperature of reactor
Control is stablized.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment of the utility model, it is characterized in that,
The novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment include sequentially connected refrigeration unit, absorption tower,
Equalization of concentration device, catalytic oxidation unit and exhaust apparatus, the refrigeration unit be used to make the poor diesel oil into the absorption tower into
Row cooling and boosting, the catalytic oxidation unit includes sequentially connected heat exchanger, electric heater and reactor, the heat exchanger
It is connect with the equalization of concentration device, the heat exchanger is connect with the exhaust apparatus, and the absorption tower is additionally provided with VOCs exhaust gas
Input port and rich diesel oil delivery outlet, are provided with thermostat valve between the equalization of concentration device and the reactor.
Preferably, the novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment further includes the first pressurization wind
Machine, the first booster fan setting are connected to the VOCs exhaust gas input port on the absorption tower.
Preferably, the novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment further includes diesel pump, institute
State the rich diesel oil delivery outlet that diesel pump setting is connected to the absorption tower.
Preferably, the exhaust apparatus includes the second booster fan and exhaust tube, and one end of second booster fan connects
The heat exchanger is connect, the other end of second booster fan connects the exhaust tube.
Preferably, voltage-controlled valve is provided between the absorption tower and the equalization of concentration device.
Preferably, poor diesel oil is cooled to -5~-15 DEG C and boosts to 0.2MPa by the refrigeration unit.
The positive effect of the utility model is:
The utility model absorptive unit and catalytic oxidation unit are highly integrated, are arranged on overall base, can whole Transporting
It is placed in mass-type foundation to scene, is assembled in device fabrication factory, reduce site operation installing engineering amount；Using refrigeration unit
Absorbent diesel oil is cooled down and boosted, the substantially all absorption of the above heavy constituent of ethane in the VOCs for exporting absorption tower is inhaled
Tower outlet VOCs concentration stability contorting is received in 25g/m3 hereinafter, substantially increasing the assimilation effect of VOCs exhaust gas；Equalization of concentration device
It is interlocked with reactor batch temperature, reactor batch temperature control is stablized, and reaction is quick, and temperature of reactor control is stablized；Catalysis
The rear end of oxidation unit is additionally provided with the second booster fan, avoids catalytic oxidation system equipment and pipe leakage oil gas, safety
Reliably.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the preferred embodiment of the utility model.
Specific embodiment
The utility model is further illustrated below by the mode of embodiment, but is not therefore limited in the utility model
Among the embodiment described range.
Referring to Figure 1, a kind of novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment of the utility model, packet
Sequentially connected refrigeration unit 1, absorption tower 2, equalization of concentration device 5, catalytic oxidation unit 6 and exhaust apparatus are included, refrigeration unit 1 is used
In making the poor diesel oil into absorption tower 2 be cooled down and boosted, catalytic oxidation unit 6 include sequentially connected heat exchanger 9, electricity plus
Hot device 8 and reactor 7, heat exchanger 9 are connect with equalization of concentration device 5, and heat exchanger 9 is connect with exhaust apparatus, and absorption tower 2 is additionally provided with
VOCs exhaust gas input port and rich diesel oil delivery outlet, are provided with thermostat valve 13 between equalization of concentration device 5 and reactor 7.Preferably, it inhales
It receives and is provided with voltage-controlled valve 12 between tower 2 and equalization of concentration device 5.
Preferably, novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment further includes the first booster fan 3,
The VOCs exhaust gas input port for being connected to absorption tower 2 is arranged in first booster fan 3.
Preferably, novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment further includes diesel pump 4, diesel pump
4 settings are connected to the rich diesel oil delivery outlet on absorption tower 2.
Preferably, exhaust apparatus includes the second booster fan 10 and exhaust tube 11, and one end of the second booster fan 10 connects
The other end of heat exchanger 9, the second booster fan 10 connects exhaust tube 11.
Preferably, poor diesel oil is cooled to -5~-15 DEG C and boosts to 0.2MPa by refrigeration unit 1.
The utility model uses the combination of absorption process and catalytic oxidation, and absorption process is to utilize liquid-absorbant from air-flow
A kind of middle method for absorbing recycling VOCs, its essence are the gas-liquid mass transfer of VOCs and absorbent.Common technological equipment has
Packed tower and two kinds of spray column, absorption process technique contain benzene and non-methane total hydrocarbons to processing room temperature, low temperature and Wind Volume, low concentration
VOCs is more effective, and expense is lower.The resistance to mass tranfer of absorption process is mainly in gas-liquid surface and liquid film, and clean-up effect is then
Depending on the contacting efficiency and area between gas and liquid two phases, therefore, the optimization on absorbent and absorption tower 2 is the one of the technical research
A Main way.Catalytic oxidation handles the VOCs of low concentration, and direct combustion method is difficult to win because of apparent disadvantage
Appoint.Catalysis burning is that reaction energy barrier is reduced using catalyst, realizes oxidation of the VOCs under lower temperature (200~400 degree)
It decomposes and discharges heat.It is catalyzed the VOCs objects such as burning big especially suitable for treating capacity, the lower alcohol of gas concentration, aldehyde, ketone, benzene
Matter.Catalyticing combustion process reaction temperature is low, compares directly burning and wants low 300-500 degree, and burn completely, also high temperature not easily generated
Under secondary pollution such as nitrogen oxides and dioxin etc., and heat can be recycled, energy saving, pollutant removing efficiency
It is higher.
However, the utility model uses principles above, device is improved, absorptive unit and catalytic oxidation unit 6 are high
Degree is integrated, is arranged on overall base, can whole Transporting be placed in mass-type foundation to scene, assembling device fabrication factory in,
Reduce site operation installing engineering amount；Absorbent diesel oil is cooled down and boosted using refrigeration unit 1, exports absorption tower 2
VOCs in the substantially all absorption of the above heavy constituent of ethane, absorption tower 2 exports VOCs concentration stability contorting in 25g/m3 hereinafter, big
The assimilation effect of VOCs exhaust gas is improved greatly；Equalization of concentration device 5 and 7 bed temperature of reactor interlock, 7 bed temperature of reactor
Control is stablized, and reaction is quick, 7 stable temperature control of reactor；The rear end of catalytic oxidation unit 6 is additionally provided with the second booster fan
10, catalytic oxidation system equipment and pipe leakage oil gas are avoided, securely and reliably.
The present invention can effectively solve the problem that petrochemical industry, oil storage and transportation, packages printing, spraying industry multicomponent and high concentration
VOCs gas, construction and installation are easy, and treatment effect is excellent, meet the most stringent of VOCs discharge standard of country and place and specification.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Within the spirit and principle of the utility model, made
What modifications, equivalent substitutions and improvements etc., should be included within the scope of protection of this utility model.Thus, certain in embodiment
A little details should not constitute the restriction to the utility model, and the utility model will be using the appended claims confining spectrum as this reality
With novel protection scope.
Claims (6)
1. a kind of novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment, which is characterized in that described novel low
Warm boosting absorption catalysis oxidation VOCs emission-control equipment includes sequentially connected refrigeration unit, absorption tower, equalization of concentration device, urges
Change oxidation unit and exhaust apparatus, the refrigeration unit is used to that the poor diesel oil into the absorption tower to be made to be cooled down and be boosted,
The catalytic oxidation unit includes sequentially connected heat exchanger, electric heater and reactor, and the heat exchanger and the concentration are equal
Weighing apparatus connection, the heat exchanger are connect with the exhaust apparatus, and the absorption tower is additionally provided with VOCs exhaust gas input port and Fu Chai
Oil outlet is provided with thermostat valve between the equalization of concentration device and the reactor.
2. novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment according to claim 1, feature exist
In, the novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment further include the first booster fan, described first
The VOCs exhaust gas input port for being connected to the absorption tower is arranged in booster fan.
3. novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment according to claim 1, feature exist
In the novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment further includes diesel pump, the diesel pump setting
It is connected to the rich diesel oil delivery outlet on the absorption tower.
4. novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment according to claim 1, feature exist
In, the exhaust apparatus includes the second booster fan and exhaust tube, and one end of second booster fan connects the heat exchanger,
The other end of second booster fan connects the exhaust tube.
5. novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment according to claim 1, feature exist
In being provided with voltage-controlled valve between the absorption tower and the equalization of concentration device.
6. novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment according to claim 1, feature exist
In poor diesel oil is cooled to -5~-15 DEG C and boosts to 0.2MPa by the refrigeration unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820677740.2U CN208282134U (en) | 2018-05-08 | 2018-05-08 | A kind of novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment |
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|---|---|---|---|
| CN201820677740.2U CN208282134U (en) | 2018-05-08 | 2018-05-08 | A kind of novel low temperature boosting absorption catalysis oxidation VOCs emission-control equipment |
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| CN208282134U true CN208282134U (en) | 2018-12-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135710A (en) * | 2020-02-05 | 2020-05-12 | 南通乐尔环保科技有限公司 | High-efficient oil gas clean system |
| CN111249859A (en) * | 2020-02-18 | 2020-06-09 | 青岛诺诚化学品安全科技有限公司 | Low-temperature absorption-low-temperature catalytic oxidation method waste gas recovery treatment process |
-
2018
- 2018-05-08 CN CN201820677740.2U patent/CN208282134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135710A (en) * | 2020-02-05 | 2020-05-12 | 南通乐尔环保科技有限公司 | High-efficient oil gas clean system |
| CN111249859A (en) * | 2020-02-18 | 2020-06-09 | 青岛诺诚化学品安全科技有限公司 | Low-temperature absorption-low-temperature catalytic oxidation method waste gas recovery treatment process |
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