CN205579596U - Purification treatment organic waste gas's catalytic combustion unit - Google Patents
Purification treatment organic waste gas's catalytic combustion unit Download PDFInfo
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- CN205579596U CN205579596U CN201620326591.6U CN201620326591U CN205579596U CN 205579596 U CN205579596 U CN 205579596U CN 201620326591 U CN201620326591 U CN 201620326591U CN 205579596 U CN205579596 U CN 205579596U
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Abstract
The utility model belongs to the technical field of exhaust -gas treatment and specifically relates to a purification treatment organic waste gas's catalytic combustion unit. The device includes: the separator retrieved is carried out organic solvent in the waste gas, the spark arrester, the heater that heat is carried out waste gas and air, to heating the reactor (this reactor collects heat transfer and catalytic combustion function in an organic whole) that back waste gas and air carry out catalytic oxidation, the bypass (utilizes the automated control reaction temperature, guarantee the burning normal clear and prevent to react temperature runaway ), the purified gas delivery pipe that carries out the heat exchanger that heats and go on the gas after the heat transfer discharging the feed gas with the back gas that comes out from the reactor. The utility model discloses a simple process can be wholly become the sled dress and arrange the sale, takes up an area of for a short time, and on -the -spot installation work volume less. The device can be with most solvent recovery in the waste gas to the volatile organic compound (VOCs) that will remain in waste gas turns into carbon dioxide and water, no secondary pollution, and exhaust -gas treatment is thorough, and the device security is high.
Description
Technical field
This utility model belongs to technical field of waste gas treatment, the catalytic combustion system of a kind of purification organic waste gas treatment.
Background technology
VOC (VOCs, Volatile Organic Compounds) be petrochemical industry, pharmacy, print, one of the common pollutant of industrial processes and the motor vehicles discharge such as spray paint.Along with industrial expansion, VOCs discharge capacity grows with each passing day, and has the features such as scope is wide, discharge capacity is big, and it administers one of focus having become current international environment, and relevant environment legislation is the strictest.
Organic exhaust gas be usually present inflammable and explosive, poisonous and harmful, water insoluble, be dissolved in organic solvent, feature that intractability is big.Commonly used when VOCs treatment is the multiple principles such as organic exhaust gas active-carbon adsorption treatment method, Production by Catalytic Combustion Process, catalytic oxidation, acid-base neutralization method, plasma method.Reasonable organic waste gas treatment method is catalyzing, oxidizing and purifying system, design of Treatment of Waste Gas carefully, purification filtering waste gas layer by layer.
Catalytic combustion technology refers at a lower temperature, fuel is made to realize complete oxidation under the effect of catalyst, there is the advantage not available for many traditional combustion, such as: the discharge etc. of poisonous and harmful substance that capacity utilization ratio is high, light-off temperature is low, promotion is burnt completely, reduced.Along with expanding economy, the progress of society, the enhancing of people's energy-conserving and environment-protective consciousness, catalytic combustion technology is progressively moved towards engineering practice by the experimental stage, is widely used in all many-sides such as commercial production and daily life.
Summary of the invention
Goal of the invention of the present utility model is for above technical problem, it is provided that the catalytic combustion system of a kind of purification organic waste gas treatment.This device is not only suitable for the process of various concentration organic exhaust gas, and it is applicable to the exhaust-gas treatment having recycling design demand, organic drop (>=8 μm) response rate contained in waste gas is reached more than 99%, a large amount of solvents in waste gas can be reclaimed, and remaining organic solvent is converted into CO2And H2A kind of environmental protection equipment of O.
Goal of the invention of the present utility model is realized by following technical proposals:
The catalytic combustion system of a kind of purification organic waste gas treatment, this device includes catalytic combustion reactor, and this catalytic combustion reactor integrates heat exchange and catalysis combustion function.Described catalytic combustion reactor includes reactor center heat exchanging chamber, beds, bed interior conduit, bed air vent, reaction bed temperature detection device, central canal and purification gas delivery pipe, in the center of combustion reactor, reactor center heat exchanging chamber is set, in the reactor in heart heat exchanging chamber, central canal is set, in the reactor outside heart heat exchanging chamber, beds is set, bed interior conduit is set in beds, in beds bottom inside, bed air vent is set, reaction bed temperature detection device is set outside catalytic combustion reactor, reaction bed temperature detection device controller chain with temperature is connected, purification gas delivery pipe is set on the top of catalytic combustion reactor.
This device also includes separator, arranges spark arrester at separator top, then is connected with catalytic combustion reactor by main line or bypass.Arranging main line regulation valve on described main line, main line regulation valve is connected with temperature interlocking controller.
This device also includes heater, with catalytic combustion reactor is connected after arranging bypass valve and heater in described bypass, and bypass valve and heater are connected with temperature interlocking controller.
Separator gas out, can be connected with the bottom of catalytic combustion reactor by main line, it is possible to connected with the middle part of catalytic combustion reactor by bypass.The temperature interlocking controller arranged is according to reaction bed temperature detection device chain control main road regulation valve, bypass valve and the aperture of heater.
And reactor center heat exchanging chamber shell outer at described central canal arranges baffle plate and fin.
Gas enters bottom catalytic combustion reactor through main line, enters reactor center heat exchanging chamber through central canal, then enters beds through bed interior conduit.The outer ring system of reactor center heat exchanging chamber is entered by bed air vent, finally by purifying gas after gas catalytic combustion
Floss hole enters air.
This device arranges compressor according to the pressure of organic exhaust gas and the temperature of exhaust gases after combustion at device leading portion or arranges air-introduced machine in device rear end.
This device is suitable for the process of various concentration organic exhaust gas, is also applied for the exhaust-gas treatment of recycling design demand, and the response rate of organic drop >=8 μm contained in waste gas is reached more than 99%.
Good effect of the present utility model is:
(1), this device be suitable for the process of various concentration organic exhaust gas, be also applied for the exhaust-gas treatment of recycling design demand, the response rate of organic drop >=8 μm contained in waste gas reached more than 99%.
(2) catalytic combustion reactor, in this utility model integrates heat exchange and catalytic reaction function, takes up an area little, easy to process.Skid can be become to arrange as entirety to sell, take up an area little, on-site installation work amount is few.
(3), this device by waste gas major part solvent recovery, and residual VOC (VOCs) in the offgas can be converted into carbon dioxide and water, non-secondary pollution, exhaust-gas treatment is thorough, and equipment safety is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the catalytic combustion system of purification organic waste gas treatment in this utility model.
Wherein, 1 for being passed through the inlet duct of waste gas and air；2 separators, 3 spark arresters, 4 bypasses, 5 heaters, 6 bypass valves, 7 main lines, 8 main line regulation valves, 9 temperature interlocking controllers, 10 reaction bed temperature detection devices, 11 catalytic combustion reactors, 12 beds, 13 bed interior conduits, 14 bed air vents (some), 15 reactor center heat exchanging chambers, 16 central canals, 17 purification gas delivery pipes.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, in addition to mutually exclusive feature and/or step, all can combine by any way.
As it is shown in figure 1, the catalytic combustion system of a kind of purification organic waste gas treatment, this device includes catalytic combustion reactor, and this catalytic combustion reactor integrates heat exchange and catalysis combustion function.Described catalytic combustion reactor includes reactor center heat exchanging chamber, beds, bed interior conduit, bed air vent, reaction bed temperature detection device, central canal and purification gas delivery pipe, in the center of combustion reactor, reactor center heat exchanging chamber is set, in the reactor in heart heat exchanging chamber, central canal is set, in the reactor outside heart heat exchanging chamber, beds is set, bed interior conduit is set in beds, in beds bottom inside, bed air vent is set, reaction bed temperature detection device is set outside catalytic combustion reactor, reaction bed temperature detection device controller chain with temperature is connected, purification gas delivery pipe is set on the top of catalytic combustion reactor.
This device also includes separator, arranges spark arrester at separator top, then is connected with catalytic combustion reactor by main line or bypass.Arranging main line regulation valve on described main line, main line regulation valve is connected with temperature interlocking controller.
This device also includes heater, with catalytic combustion reactor is connected after arranging bypass valve and heater in described bypass, and bypass valve and heater are connected with temperature interlocking controller.
And reactor center heat exchanging chamber shell outer at described central canal arranges baffle plate and fin.
This device arranges compressor according to the pressure of organic exhaust gas and the temperature of exhaust gases after combustion at device leading portion or arranges air-introduced machine in device rear end.
This device is suitable for the process of various concentration organic exhaust gas, is also applied for the exhaust-gas treatment of recycling design demand, and the response rate of organic drop >=8 μm contained in waste gas is reached more than 99%.
Embodiment 1:
A kind of catalytic combustion system of purification organic waste gas treatment, for processing industrial organic exhaust gas, this device includes the inlet duct being passed through waste gas and air, there is the separator of solvent recovery demand, the bypass of regulation temperature of reactor, in order to reactor input waste gas and the main line of air, integrate the catalytic combustion reactor of heat exchange and response function, by arranging that baffle plate and fin improve the reactor center heat exchanging chamber of heat-transfer effect, beds bottom inside arranges some bed air vents, bed air vent can arrange 24 or more, each air vent is in the same size, it is uniformly distributed, guarantee that the gas after burning is even into the outer ring system of reactor center heat exchanging chamber, after heat exchange, discharge purification gas delivery pipe from purification gas enter air.
Said apparatus also includes for regulating main line regulation valve and the controller of bypass valve aperture, according to temperature-detecting device interlocked control reaction bed temperature, it is ensured that catalysis burning even running in bed, and prevents bed temperature runaway.
Said apparatus also can arrange compressor or rear end arranges air-introduced machine at device leading portion according to the temperature of the pressure of organic exhaust gas and exhaust gases after combustion, air can be filled in the offgas, reduce the concentration of wherein organic exhaust gas, must control within the scope of the limit of explosion of organic exhaust gas after waste gas and air mixing, improve the security performance of device.
The following is the operation scheme being specifically described lower the present embodiment:
During driving, close main line regulation valve, open bypass valve and heater, waste gas and air and be passed through beds top in catalytic combustion reactor, until beds is heated to light-off temperature by the waste gas after Jia Re through bypass.After catalyst combustion reaction is carried out, slowly turn down aperture the final plant closure heater of heater, to ensure that catalyst combustion reaction is steadily carried out.The most slowly increase main line control valve opening and reduce bypass valve aperture simultaneously, making waste gas enter catalysis burning bed through bed interior conduit again through the heat of catalytic reactor center heat exchanging chamber reclaiming clean gas.
When normally driving, waste gas passes through catalytic combustion reactor center heat exchanging chamber through inlet duct, separator, spark arrester, main line, then enters beds through beds interior conduit, and organic exhaust gas is converted into CO2And H2Through reactor center heat exchanging chamber ring system purified gas discharged to air after O.
Device is provided with temperature interlocking controller, time properly functioning, if reaction heat is not enough to maintain reaction to proceed, can be by bed temperature detection interlocking heater, and increase the aperture of bypass valve, reduce the aperture of main line regulation valve, be passed through the gas that part is heated, to maintain the temperature of beds from bypass.If the temperature of beds is too high, the aperture of bypass valve can also be increased by bed temperature detection interlocking, reduce the aperture of main line regulation valve, reduce reaction bed temperature to prevent bed temperature runaway without the gas of heat exchange as cold shock gas by a part.
Claims (5)
- null1. the catalytic combustion system of a purification organic waste gas treatment，Device includes catalytic combustion reactor (11)，It is characterized in that: described catalytic combustion reactor (11) includes reactor center heat exchanging chamber (15)、Beds (12)、Bed interior conduit (13)、Bed air vent (14)，Reaction bed temperature detection device (10)、Central canal (16) and purification gas delivery pipe (17)，In the center of combustion reactor (11), reactor center heat exchanging chamber (15) is set，In the reactor in heart heat exchanging chamber (15), central canal (16) is set，In the reactor outside heart heat exchanging chamber (15), beds (12) is set，Bed interior conduit (13) is set in beds (12)，In beds (12) bottom inside, bed air vent (14) is set，In catalytic combustion reactor (11) outside, reaction bed temperature detection device (10) is set，Reaction bed temperature detection device (10) is connected with temperature interlocking controller (9)，Purification gas delivery pipe (17) is set on the top of catalytic combustion reactor (11).
- The catalytic combustion system of purification organic waste gas treatment the most according to claim 1, it is characterized in that: this device also includes separator (2), spark arrester (3) is set at separator (2) top, then is connected with catalytic combustion reactor (11) by main line (7) or bypass (4).
- The catalytic combustion system of purification organic waste gas treatment the most according to claim 2, it is characterized in that: this device also includes heater (5), arranging bypass valve (6) in described bypass (4) and heater (5) is connected with catalytic combustion reactor (11) afterwards, bypass valve (6) and heater (5) are connected with temperature interlocking controller (9).
- The catalytic combustion system of purification organic waste gas treatment the most according to claim 2, it is characterised in that: arranging main line regulation valve (8) on described main line (7), main line regulation valve (8) is connected with temperature interlocking controller (9).
- The catalytic combustion system of purification organic waste gas treatment the most according to claim 2, it is characterised in that: arrange baffle plate and fin with reactor center heat exchanging chamber (15) shell outward at described central canal (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620326591.6U CN205579596U (en) | 2016-04-19 | 2016-04-19 | Purification treatment organic waste gas's catalytic combustion unit |
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| CN201620326591.6U CN205579596U (en) | 2016-04-19 | 2016-04-19 | Purification treatment organic waste gas's catalytic combustion unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737173A (en) * | 2016-04-19 | 2016-07-06 | 西南化工研究设计院有限公司 | Catalytic combustion device for purifying organic waste gas |
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2016
- 2016-04-19 CN CN201620326591.6U patent/CN205579596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737173A (en) * | 2016-04-19 | 2016-07-06 | 西南化工研究设计院有限公司 | Catalytic combustion device for purifying organic waste gas |
| CN105737173B (en) * | 2016-04-19 | 2018-03-13 | 西南化工研究设计院有限公司 | A kind of catalytic combustion system of purification organic waste gas treatment |
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