CN205155987U - Low -loss catalytic combustion of organic exhaust gas processing apparatus - Google Patents
Low -loss catalytic combustion of organic exhaust gas processing apparatus Download PDFInfo
- Publication number
- CN205155987U CN205155987U CN201520797602.4U CN201520797602U CN205155987U CN 205155987 U CN205155987 U CN 205155987U CN 201520797602 U CN201520797602 U CN 201520797602U CN 205155987 U CN205155987 U CN 205155987U
- Authority
- CN
- China
- Prior art keywords
- catalytic combustion
- fixed bed
- unit
- air inlet
- waste gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses a low -loss catalytic combustion of organic exhaust gas processing apparatus, including exhaust gas canister, processing unit, preheating unit and catalytic combustion unit in advance, preheating unit is including the heat exchanger and the pre -heater that connect gradually, it says and the high temperature pipeline to contain the cryotron in the heat exchanger, the catalytic combustion unit includes fixed bed catalytic reactor A and fixed bed catalytic reactor B, fixed bed catalytic reactor A and fixed bed catalytic reactor B include catalyst support and active component, catalytic carrier is ceramic honeycomb structure, active component is rare earth oxide, the utility model discloses the catalyst is cheap easy, and loss speed is low, and durable safety is energy -concerving and environment -protective, is fit for using widely in organic waste gas handles.
Description
Technical field
The utility model relates to a kind of low-loss organic waste gas catalytic combustion treating apparatus, belongs to exhaust-gas treatment field.
Background technology
Catalytic combustion is by under catalyst at low temperatures (200 ~ 400 DEG C), realize organic complete oxidation, therefore, less energy consumption, easy and simple to handle, safety, purification efficiency is high, in the organic exhaust gas organic waste-gas purification that particularly recovery value is little, and such as chemical industry, spray paint, the sector application such as insulating materials, enamel-covered wire, coating material production is comparatively wide, the catalyst burnt due to current catalytic organism mostly is noble metal (based on platinum, palladium) catalyst.But because noble metal catalyst is expensive, resource is few, therefore, the research of more economical new catalyst becomes new developing way; In addition, catalyst has a catalytic activity temperature, catalyst light-off temperature is claimed concerning catalytic combustion, the temperature of waste gas and bed must be made to reach initiation temperature and just can carry out catalytic combustion, therefore, must preheating device be set, and also can discharges a large amount of heat energy while burning, if by the recycling of heat energy after burning, waste gas treatment process energy-conserving and environment-protective more can be made.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of catalyst and is cheaply easy to get, low-loss, and energy-efficient organic waste gas catalytic combustion treating apparatus; Further, provide a kind of and have protective effect to catalyst and the organic waste gas catalytic combustion treating apparatus of use safety.
For solving above technical problem, the technical solution adopted in the utility model is: a kind of low-loss organic waste gas catalytic combustion treating apparatus, comprise waste gas holding vessel, pretreatment unit, preheating unit and catalytic combustion unit, described preheating unit comprises the heat exchanger and preheater that connect successively, cryogenic piping and high-temperature pipe is comprised in described heat exchanger, described catalytic combustion unit comprises fixed bed catalytic reactor A and fixed bed catalytic reactor B, described fixed bed catalytic reactor A and fixed bed catalytic reactor B comprises catalyst carrier and active component, described catalytic carrier is ceramic honeycomb, described active component is rare earth oxide, described waste gas holding vessel is connected with pretreatment unit, described pretreatment unit is connected with the air inlet of described cryogenic piping, the gas outlet of described cryogenic piping is connected with described preheater, the gas outlet of described preheater is connected with the air inlet of described catalytic combustion unit, described fixed bed catalytic reactor A and fixed bed catalytic reactor B is connected in parallel in described catalytic combustion unit, the tandem of described fixed bed catalytic reactor A has one-way cock one and one-way cock two, the tandem of described fixed bed catalytic reactor B has one-way cock three and one-way cock four, the gas outlet of described catalytic combustion unit is connected with the air inlet of described high-temperature pipe, the gas outlet of described high-temperature pipe is connected with exhaust blower.
Described pretreatment unit is gas-filtering device.
Be in series with spark arrester one before the air inlet of described preheating unit, behind described catalytic combustion unit gas outlet, be in series with spark arrester two.
The air inlet place of described preheating unit is provided with gas concentration inspect device, and the air inlet of described preheating unit is connected with benefit air-cooler by three-way pipe.
The gas outlet of described waste gas holding vessel is connected with air inlet fan, and the gas outlet of described air inlet fan connects the air inlet of described pretreatment unit.
Described preheater is high-grade fuel burner or high temperature resistance silk.
The technological process using the utility model to carry out exhaust-gas treatment is:
1. the organic exhaust gas in waste gas holding vessel enters pretreatment unit under the suction of air inlet fan, after pretreatment unit filters, removes dust, drop and catalyst poison wherein, to avoid blocking and the catalyst poisoning of beds;
2. the waste gas after filtering, through spark arrester one, by gas concentration inspect device, when organic exhaust gas concentration likely exceedes controlling value, is opened benefit air-cooler and is watered down safety value;
3. the gas after over-richness controls enters preheating unit, and enter preheater heating through heat exchanger cryogenic piping, the gas after heating enters catalytic combustion unit;
If 4. now pending exhaust gas concentration is higher, then one-way cock one, one-way cock two, one-way cock three and one-way cock four are opened simultaneously, then gas is divided into two-way to enter fixed bed catalytic reactor A and fixed bed catalytic reactor B carries out catalyst combustion reaction simultaneously, make reaction comparatively complete, treatment effect is better; If pending exhaust gas concentration is lower, then only need open check valve door one and one-way cock two, or only open check valve door three and one-way cock four, make gas enter fixed bed catalytic reactor A or fixed bed catalytic reactor B arbitrary among, while guarantee catalytic effect, reduce the consumption to catalyst;
5. the gas after burning returns in the high-temperature pipe of heat exchanger through spark arrester two, now the gas temperature in high-temperature pipe can be passed to the gas in cryogenic piping by heat exchanger, thus untreated waste gas is heated, without the need to opening preheater again by heat exchanger;
6. the gas in high-temperature pipe after heat exchange cooling, then enters air by exhaust blower.
Therefore, the beneficial effects of the utility model are:
1. catalyst can be aging gradually in long term high temperature environment, lose catalytic activity, if when exhaust gas concentration is lower, excess catalyst is used not improve reaction rate, but cause the accelerated ageing of catalyst, therefore fixed bed catalytic reactor A in parallel or fixed bed catalytic reactor B is set, can selects to use simultaneously or be used alternatingly two fixed bed catalytic reactors according to the exhaust gas concentration that need process, while guarantee reaction rate and treatment effect, slow down the speed of catalyst ageing.
2. the rare earth oxide used is as catalyst, and rare earth enriches in china natural resources, has low price, the advantage that resource is easy to get compared with noble metal catalyst;
3. arrange pretreatment unit, the poisonous substance of dust, drop and catalyst in removing waste gas, avoids blocking and the catalyst poisoning of beds;
4. spark arrester is installed, propagation of flame when preventing organic exhaust gas from burning on beds, improves the security of equipment;
5. gas controlling device is set and mends air-cooler, concentration due to organic exhaust gas must control in less than 25% of corresponding organic matter explosion limit, when organic exhaust gas concentration likely exceedes this value, safety value can be watered down, the security of further raising equipment;
6. heat exchanger is set, after catalytic reaction starts, reaction heat can be reclaimed and carry out preheating waste gas, economize energy.
A kind of low-loss organic waste gas catalytic combustion treating apparatus provided by the utility model, adopt rare earth oxide in conjunction with the carrier of ceramic honeycomb as fixed bed catalytic reactor, Catalytic Combustion Effect is good, and material is cheaply easy to get; Fixed bed catalytic reactor in parallel, can select as required to use simultaneously or be only suitable for one, slow down catalyst ageing speed; Be provided with pretreatment unit simultaneously, block and catalyst poisoning to prevent catalytic bed; And spark arrester, gas controlling device and benefit air-cooler are installed, improve the safety in utilization of equipment; Heat-exchanger rig is installed, improves the utilization rate of reaction heat.The utility model catalyst is cheaply easy to get, and loss rate is low, durable security, energy-conserving and environment-protective, is adapted at promoting the use of in VOCs treatment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
A kind of low-loss organic waste gas catalytic combustion treating apparatus as shown in Figure 1, comprise waste gas holding vessel 1, pretreatment unit 2, preheating unit and catalytic combustion unit, described preheating unit comprises the heat exchanger 3 and preheater 4 that connect successively, cryogenic piping and high-temperature pipe is comprised in described heat exchanger 3, described catalytic combustion unit comprises fixed bed catalytic reactor A5 and fixed bed catalytic reactor B6, described fixed bed catalytic reactor A5 and fixed bed catalytic reactor B6 comprises catalyst carrier and active component, described catalytic carrier is ceramic honeycomb, described active component is rare earth oxide, described waste gas holding vessel 1 is connected with pretreatment unit 2, described pretreatment unit 2 is connected with the air inlet of described cryogenic piping, the gas outlet of described cryogenic piping is connected with described preheater 4, the gas outlet of described preheater 4 is connected with the air inlet of described catalytic combustion unit, described fixed bed catalytic reactor A5 and fixed bed catalytic reactor B6 is connected in parallel in described catalytic combustion unit, the tandem of described fixed bed catalytic reactor A5 has one-way cock 1 and one-way cock 28, the tandem of described fixed bed catalytic reactor B6 has one-way cock 39 and one-way cock 4 10, the gas outlet of described catalytic combustion unit is connected with the air inlet of described high-temperature pipe, the gas outlet of described high-temperature pipe is connected with exhaust blower 11.
Described pretreatment unit 2 is gas-filtering device.
The air inlet place of described preheating unit is provided with gas concentration inspect device, and the air inlet of described preheating unit is connected with by three-way pipe mends air-cooler 12.
Be in series with spark arrester 1 before the air inlet of described preheating unit, behind described catalytic combustion unit gas outlet, be in series with spark arrester 2 14.
The gas outlet of described waste gas holding vessel 1 is connected with air inlet fan, and the gas outlet of described air inlet fan connects the air inlet of described pretreatment unit 2.
Described preheater 4 is high-grade fuel burner or high temperature resistance silk.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (6)
1. a low-loss organic waste gas catalytic combustion treating apparatus, it is characterized in that: comprise waste gas holding vessel, pretreatment unit, preheating unit and catalytic combustion unit, described preheating unit comprises the heat exchanger and preheater that connect successively, cryogenic piping and high-temperature pipe is comprised in described heat exchanger, described catalytic combustion unit comprises fixed bed catalytic reactor A and fixed bed catalytic reactor B, described fixed bed catalytic reactor A and fixed bed catalytic reactor B comprises catalyst carrier and active component, described catalytic carrier is ceramic honeycomb, described active component is rare earth oxide, described waste gas holding vessel is connected with pretreatment unit, described pretreatment unit is connected with the air inlet of described cryogenic piping, the gas outlet of described cryogenic piping is connected with described preheater, the gas outlet of described preheater is connected with the air inlet of described catalytic combustion unit, described fixed bed catalytic reactor A and fixed bed catalytic reactor B is connected in parallel in described catalytic combustion unit, the tandem of described fixed bed catalytic reactor A has one-way cock one and one-way cock two, the tandem of described fixed bed catalytic reactor B has one-way cock three and one-way cock four, the gas outlet of described catalytic combustion unit is connected with the air inlet of described high-temperature pipe, the gas outlet of described high-temperature pipe is connected with exhaust blower.
2. a kind of low-loss organic waste gas catalytic combustion treating apparatus as claimed in claim 1, is characterized in that: described pretreatment unit is gas-filtering device.
3. a kind of low-loss organic waste gas catalytic combustion treating apparatus as claimed in claim 1, is characterized in that: be in series with spark arrester one before the air inlet of described preheating unit, is in series with spark arrester two behind described catalytic combustion unit gas outlet.
4. a kind of low-loss organic waste gas catalytic combustion treating apparatus as claimed in claim 1, is characterized in that: the air inlet place of described preheating unit is provided with gas concentration inspect device, is connected with benefit air-cooler before the air inlet of described preheating unit by three-way pipe.
5. a kind of low-loss organic waste gas catalytic combustion treating apparatus as claimed in claim 1, it is characterized in that: the gas outlet of described waste gas holding vessel is connected with air inlet fan, the gas outlet of described air inlet fan connects the air inlet of described pretreatment unit.
6. a kind of low-loss organic waste gas catalytic combustion treating apparatus as claimed in claim 1, is characterized in that: described preheater is high-grade fuel burner or high temperature resistance silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797602.4U CN205155987U (en) | 2015-10-15 | 2015-10-15 | Low -loss catalytic combustion of organic exhaust gas processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797602.4U CN205155987U (en) | 2015-10-15 | 2015-10-15 | Low -loss catalytic combustion of organic exhaust gas processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155987U true CN205155987U (en) | 2016-04-13 |
Family
ID=55691676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520797602.4U Expired - Fee Related CN205155987U (en) | 2015-10-15 | 2015-10-15 | Low -loss catalytic combustion of organic exhaust gas processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202551A (en) * | 2015-10-15 | 2015-12-30 | 苏州韵蓝环保科技有限公司 | Low-loss organic waste gas catalytic combustion treatment device |
| CN107166960A (en) * | 2017-06-08 | 2017-09-15 | 佛山市方普防护技术有限公司 | A kind of energy saving and environment friendly leaching modeling heating furnace |
-
2015
- 2015-10-15 CN CN201520797602.4U patent/CN205155987U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202551A (en) * | 2015-10-15 | 2015-12-30 | 苏州韵蓝环保科技有限公司 | Low-loss organic waste gas catalytic combustion treatment device |
| CN107166960A (en) * | 2017-06-08 | 2017-09-15 | 佛山市方普防护技术有限公司 | A kind of energy saving and environment friendly leaching modeling heating furnace |
| CN107166960B (en) * | 2017-06-08 | 2019-01-25 | 佛山市方普防护技术有限公司 | A kind of energy saving and environment friendly leaching modeling heating furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205145810U (en) | Controllable catalytic combustion of organic exhaust gas processing apparatus as a result | |
| CN105194941A (en) | Result-controllable organic waste gas treatment device adopting catalytic combustion | |
| CN108854446B (en) | System for zeolite runner adsorption-catalytic combustion handles organic waste gas | |
| CN105202552A (en) | Temperature-controllable organic exhaust gas catalytic combustion treatment device | |
| CN210544196U (en) | Adsorption, desorption and catalytic oxidation integrated device | |
| CN205155987U (en) | Low -loss catalytic combustion of organic exhaust gas processing apparatus | |
| CN206103651U (en) | Integrated device is administered in succession to different temperatures VOC waste gas | |
| CN205155986U (en) | Controllable catalytic combustion of organic exhaust gas processing apparatus of temperature | |
| CN105202551A (en) | Low-loss organic waste gas catalytic combustion treatment device | |
| CN202792874U (en) | Waste gas heat environment-friendly and comprehensive utilization device | |
| CN105202553A (en) | Energy-saving organic exhaust gas catalytic combustion treatment device | |
| CN205155985U (en) | Energy -conserving catalytic combustion of organic exhaust gas processing apparatus | |
| CN104307363A (en) | Low-temperature NOx enriching and removing system and method | |
| CN205155981U (en) | Catalytic combustion of organic exhaust gas processing apparatus | |
| CN105749738A (en) | Denitration system and process of low-temperature industrial waste gas | |
| CN208727116U (en) | A kind of coating production line waste gas purification by adsorbsion device | |
| CN104399370A (en) | Lower temperature flue gas SCR (Selective Catalytic Reduction) denitration system and process | |
| CN106378169A (en) | An iodine doped carbon nitride photocatalyst, a preparing method thereof and applications of the photocatalyst | |
| CN105202550A (en) | Organic exhaust gas catalytic combustion treatment device | |
| CN206103709U (en) | Glass high -temperature furnace flue gas energy saving and emission reduction clean system | |
| CN204563937U (en) | A kind of low-temperature smoke air SCR denitrating system | |
| CN209524527U (en) | A kind of heat accumulating type catalytic combustion VOCs purification system | |
| CN208694621U (en) | The system of zeolite runner treating organic exhaust gas by adsorptive-catalytic combustion | |
| CN207056253U (en) | A kind of volatile organic waste gas high efficiency purifying processing device | |
| CN208553754U (en) | A kind of device for administering organic exhaust gas for plasma body cooperative adsoption catalysis |
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: 20160413 Termination date: 20181015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |