CN203442846U - Integral type organic waste gas thermal storage catalytic reaction device - Google Patents
Integral type organic waste gas thermal storage catalytic reaction device Download PDFInfo
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- CN203442846U CN203442846U CN201320315588.0U CN201320315588U CN203442846U CN 203442846 U CN203442846 U CN 203442846U CN 201320315588 U CN201320315588 U CN 201320315588U CN 203442846 U CN203442846 U CN 203442846U
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Abstract
An integral type organic waste gas thermal storage catalytic reaction device mainly comprises an integral shell; thermal storage materials, thermal insulation materials, catalysts, heaters which are mounted in the integral shell; outer man holes, a fan, pipelines, a switch valve and a control system. The switch valve is respectively connected with an air inlet pipe, an air discharge pipe and a blowing pipe, the fan is connected with the air discharge pipe, the residual gas blowing pipe is connected with a fan outlet pipe, the periodic switching of the switch valve and the switching of the flow direction of the reactants are automatically controlled and adjusted by the control system. The integral type organic waste gas thermal storage catalytic reaction device is mainly used for processing low-concentration volatile organic compounds, and has the advantages of compact equipment, high purification efficiency of organic pollutants, high heat utilization rate, low operating cost of equipment, good safety and reliability, easy maintenance, and high degree of automation.
Description
Technical field
The utility model relates to a kind of monoblock type organic exhaust gas heat-storage catalytic consersion unit, it is mainly used in the purified treatment containing light-concentration volatile organic exhaust gas, there is facility compact, organic pollution purification efficiency is high, heat utilization ratio is high, equipment operating cost is low, security reliability good, easy to maintenance, automaticity high, belongs to environmental protection equipment technical field.
Background technology
Along with the increasingly stringent of national environmental protection rules and the reinforcement gradually of people's environmental consciousness, the improvement of light-concentration volatile organic exhaust gas is more and more come into one's own.General catalytic oxidation, adsorption-desorption method, accumulation of heat heating power burning method, the heat-storage catalytic method of adopting administered at present.Traditional catalytic oxidation purification efficiency is high, but because the caloric value of low-concentration organic exhaust gas is little, therefore when processing such waste gas, need to mate large-area heat exchanger, disposable apparatus investment is very large, in equipment running process, also need extraneous a large amount of heat that supplements during organic contamination substrate concentration step-down, equipment operating cost is large; The equipment investment of adsorption-desorption method and floor space are all larger, are generally suitable for the purification treatment of the organic exhaust gas of one-component, poor for the regulation effect of the organic exhaust gas of complex component, and equipment operation neither be very stable, but also have certain potential safety hazard.In order to save the energy, to improve waste gas purification effect, accumulation of heat heating power burning method and heat-storage catalytic method more and more come into one's own on low-concentration organic exhaust gas purifies.Chinese patent CN200620167491.X discloses a kind of organic exhaust air incinerator of multichambered heat accumulating type, it is characterized in that circular burning body of heater to be divided into 4～12 fan-shaped regenerator, each regenerator by rotary reversing valve respectively with air inlet pipe, blast pipe is connected with scavenging conduit, by the rotation of rotary reversing valve, realize accumulation of heat, purify, heat release, what purge carries out continuously, improved the utilization ratio of heat, but cylindrical incinerator is divided into several fan-shaped energy storage beds, the installation of heat-storing material and replacing difficulty are larger, and need to carry out assembled according to the heat storage of cylinder size customization different size, equipment investment also can correspondingly increase, at high temperature heating power, burn under environment, fuel cost is very large, once gas leakage will affect the clean-up effect of waste gas greatly between each regenerator, therefore, its application has also been subject to restriction to a certain degree.Chinese patent CN201875727U discloses a kind of three-body heat accumulating type catalytic burner, its feature comprises three independently catalysis casings, air inlet pipeline, outlet pipe is connected with several valves respectively, between three catalysis casings, by pipeline, couple together respectively, be equipped with two blower fans, a blower and pipeline is connected with three catalysis casings respectively, another is connected with outlet pipe, this utility model automation degree of equipment is high, the purification efficiency of organic exhaust gas can reach more than 95%, save the energy, but three catalysis casings of this utility model are independently, not only floor space is very large, equipment investment is large, and increased the heat dissipation capacity of equipment outer wall, between each catalysis casing, by valve, connect, so not only increased the investment of equipment, and increased the fault rate of operating SR and equipment, native system gas purging needs the blower fan of a platform independent, so also increased the operating cost of equipment, therefore this system heat utilization ratio in actual moving process is not high, and operating cost is larger, needs to improve.
Summary of the invention
The purpose of this utility model is: a kind of monoblock type organic exhaust gas heat-storage catalytic consersion unit is provided, solved existing accumulation of heat heating power burning facility operating cost higher, fluctuation of service phenomenon, solved existing regenerative catalyzed oxidation heat gain from appliance and equipment large, the problems such as operating cost height, not only greatly reduced the occupation of land of equipment, integrated level and the heat utilization ratio of equipment have been improved, plant maintenance is convenient, operating cost is low, automaticity is high, compare the processing that is more suitable for processing light-concentration volatile organic exhaust gas with legacy equipment, it is a kind of environment protection energy-saving equipment being worthy to be popularized.
The purpose of this utility model is achieved in that
An organic exhaust gas heat-storage catalytic consersion unit, comprises integral housing and loads its inner heat-storing material, heat-barrier material, catalyst, heater and outside manhole, blower fan, pipeline, transfer valve and control system.Wherein: equipment body is monoblock type square casing, enclosure interior is divided into three identical casings by heat-barrier material, and each lower box is installed heat-storing material, top loading catalyst; At housing upper end mounting heater and manhole, and be provided with the control system that control heater opens and closes, heater also can be selected combustor; On the housing wall of heat-storing material and catalyst, thermocouple is installed; Transfer valve is connected with air inlet pipe, blast pipe and scavenging conduit respectively, and blower fan is connected with blast pipe; Residual gas automatic blowing system is installed on pipeline, and residual gas scavenging conduit is connected with fan outlet, and the switching that the periodicity of transfer valve opens and closes and reactant flows to is automatically controlled and regulated by control system.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model
In figure: 1. gas inlet main valve, 2. emergent evacuation valve, 3.A chamber intake valve, 4.A chamber air bleeding valve, 5.B chamber intake valve, 6.B chamber air bleeding valve, 7.C chamber intake valve, 8.C chamber air bleeding valve, 9. air valve, 10.A chamber blow down valve, 11.B chamber blow down valve, 12.C chamber blow down valve, 13. heat-barrier materials, 14. integral housings, 15. heat-storing materials, 16. catalyst, 17. heaters, 18. manholes, 19a.A chamber air inlet thermocouple, 19b.B chamber air inlet thermocouple, 19c.C chamber air inlet thermocouple, thermocouple before the catalyst of 20a.A chamber, thermocouple before the catalyst of 20b.B chamber, thermocouple before the catalyst of 20c.C chamber, thermocouple after the catalyst of 21a.A chamber, thermocouple after the catalyst of 21b.B chamber, thermocouple after the catalyst of 21c.C chamber, 22. blower fans
The specific embodiment
Referring to accompanying drawing, a kind of monoblock type organic exhaust gas heat-storage catalytic consersion unit is mainly by integral housing 14 and loads its inner heat-storing material 15a, 15b, 15c, heat-barrier material 13a, 13b, catalyst 16a, 16b, 16c, heater 17a, 17b and outside manhole 18a, 18b, the compositions such as 18c, gas inlet valve 3, 5, 7, air bleeding valve 4, 6, 8, blow down valve 10, 11, 12 pass through air inlet pipe, escape pipe and scavenging conduit respectively with A, B, tri-casings of C are connected, blower fan 22 is connected with total air escape pipe, scavenging conduit is connected with fan outlet tube, at A, B, on the housing of the same level height of tri-casings of C, thermocouple 19a is respectively installed, 19b, 19c, 20a, 20b, 20c, 21a, 21b, 21c, and opening by control system auto controlled heater 17a and 17b, close.Emergent evacuation valve 2 and air valve 9 are arranged on exhaust inlet pipe.
What accumulation of heat filler 15a, the 15b that utility model is loaded and 15c selected is the regular ceramic heat storage body of high heat capacity, its feature is that thermal capacitance is large, heat storage capacity strong, it is convenient to install and change, heat utilization ratio is high, heat-barrier material 13a and 13b are refractory brick, and liner silicate aluminum board, greatly reduced the heat transfer between casing.The preheating of consersion unit is provided by the electric heater 17a and the 17b that are installed on housing 14 upper ends, opening and closing by the temperature feedback of thermocouple 20a, 20b and 20c of electric heater power supply controlled, the periodicity of gas flow is switched and residual gas purges by three groups of valves 3,6,12,5,8,10,7,4,11 by automatic control system, realize and control and regulate.
In the reaction incipient stage, first open air valve 9 and pass into fresh air preheating heat-storing material 15a, 15b, 15c and reaction bed temperature to more than the initiation temperature of catalyst 16a, 16b, 16c, when bed temperature reaches the temperature of setting, temperature feedback through thermocouple 20a, 20b and 20c is controlled the power supply that automatically cuts off heater 17a and 17b, now system can automatically be opened gas inlet main valve 1, be closed air valve 9, and waste gas enters reaction system and carries out catalytic reaction.In bed the temperature of any point higher than set alarming value time, system can be opened emergent evacuation valve 2 and air valve 9 automatically, with guard catalyst and assurance device safe operation, when bed temperature is during lower than alarming value, system can automatic enabling.
Transfer valve and reactant flow to by control system and automatically control and regulate, and property performance period is switched.Its process is as follows: for example, when system reaches setting value, valve 3,6,12 is opened, and valve 7,4,11 cuts out simultaneously, and waste gas flows to B casing through valve 3 by A casing, first the waste gas of low temperature is after energy storage bed 15a preheating, enter beds 16a and 16b and carry out catalytic oxidation, purified gas temperature further raises, and after heat-storing material 15b, heat is passed to heat-storing material, gas temperature reduces, and through valve 6, by blower fan 22, is discharged.Portion gas after purification enters through valve 12 residual gas that C casing purged a upper cycle.
When system runs to after the switching cycle of setting, valve 5,8,10 is opened, valve 3,6,12 cuts out simultaneously, waste gas flows to C casing through valve 5 by B casing, and first the waste gas of low temperature, after energy storage bed 15b preheating, enters beds 16b and 16c and carries out catalytic oxidation, purified gas temperature further raises, after heat-storing material 15c, heat is passed to heat-storing material, gas temperature reduces, and through valve 8, by blower fan 22, is discharged.Portion gas after purification enters through valve 10 residual gas that A casing purged a upper cycle.
When system runs to after the switching cycle of setting, valve 7,4,11 is opened, valve 5,8,10 cuts out simultaneously, waste gas flows to A casing through valve 7 by C casing, and first the waste gas of low temperature, after energy storage bed 15c preheating, enters beds 16c and 16a and carries out catalytic oxidation, purified gas temperature further raises, after heat-storing material 15a, heat is passed to heat-storing material, gas temperature reduces, and through valve 4, by blower fan 22, is discharged.Portion gas after purification enters through valve 11 residual gas that B casing purged a upper cycle.
Embodiment: by this novel practical consersion unit, adopt noble metal catalyst for purifying organic waste gas, process the waste gas containing methyl acrylate, ethyl acrylate, ethyl acetate, formaldehyde, processing air quantity is 5000Nm
3/ h, gas inlet temperature is 45 ℃, total volatile organism concentration range is 960～1420mg/Nm
3, transfer valve switching cycle is 2～5min, air speed is 12500h
-1, organic conversion ratio maintains more than 95%, can meet the requirement of the discharge standard of national environmental protection rules and regulations, even if organic matter total concentration is low to moderate 960mg/Nm
3time still can not need the outside heat that adds to realize self-heating operation, realize the dual purpose of environmental protection and energy saving.
Claims (7)
1. a monoblock type organic exhaust gas heat-storage catalytic consersion unit, comprises integral housing and loads its inner heat-storing material, heat-barrier material, catalyst, heater and outside manhole, blower fan, pipeline, transfer valve and control system; It is characterized in that: equipment body is monoblock type square casing, enclosure interior is divided into three identical casings by heat-barrier material, and each lower box is installed heat-storing material, top loading catalyst; At housing upper end mounting heater and manhole, and be provided with the control system that control heater opens and closes; On the housing wall of heat-storing material and catalyst, thermocouple is installed; Transfer valve is connected with air inlet pipe, blast pipe and scavenging conduit respectively, and blower fan is connected with blast pipe, and residual gas scavenging conduit is connected with fan outlet tube; The switching that the periodicity of transfer valve opens and closes and reactant flows to is automatically controlled and is regulated by control system.
2. monoblock type organic exhaust gas heat-storage catalytic consersion unit according to claim 1, is characterized in that equipment body is monoblock type square casing, and its interior lower end is evenly divided into three casings.
3. monoblock type organic exhaust gas heat-storage catalytic consersion unit according to claim 1, is characterized in that being connected and with heat-barrier material, loads between two casings.
4. monoblock type organic exhaust gas heat-storage catalytic consersion unit according to claim 1, is characterized in that heat-storing material selects regular honeycomb ceramic body, and catalyst is selected noble metal catalyst.
5. monoblock type organic exhaust gas heat-storage catalytic consersion unit according to claim 1, is characterized in that installing on pipeline residual gas automatic blowing system.
6. monoblock type organic exhaust gas heat-storage catalytic consersion unit according to claim 1, is characterized in that its upper side installation manhole.
7. monoblock type organic exhaust gas heat-storage catalytic consersion unit according to claim 1, is characterized in that heater selects electric heater, also can select combustor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320315588.0U CN203442846U (en) | 2013-05-30 | 2013-05-30 | Integral type organic waste gas thermal storage catalytic reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320315588.0U CN203442846U (en) | 2013-05-30 | 2013-05-30 | Integral type organic waste gas thermal storage catalytic reaction device |
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| CN203442846U true CN203442846U (en) | 2014-02-19 |
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| CN201320315588.0U Expired - Fee Related CN203442846U (en) | 2013-05-30 | 2013-05-30 | Integral type organic waste gas thermal storage catalytic reaction device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764027A (en) * | 2015-03-23 | 2015-07-08 | 华南理工大学 | Two-chamber type regenerative catalytic organic waste gas purification device having back blowing function |
| CN106352358A (en) * | 2016-08-30 | 2017-01-25 | 苏州云白环境设备股份有限公司 | Using method of reversible catalytic burner |
| CN106582262A (en) * | 2015-10-19 | 2017-04-26 | 江苏中科睿赛污染控制工程有限公司 | Heat accumulating type VOCs catalytic oxidation device and technology |
| CN106582263A (en) * | 2015-10-19 | 2017-04-26 | 江苏中科睿赛污染控制工程有限公司 | Rotary wheel adsorption concentration and catalytic oxidation device and process |
| CN106705073A (en) * | 2017-03-09 | 2017-05-24 | 上海兰宝环保科技有限公司 | Electric heating heat storage incineration waste gas treatment device |
| CN107387806A (en) * | 2017-09-02 | 2017-11-24 | 江苏中科机械有限公司 | The flexible switching valve of heat storage burner |
| CN110732244A (en) * | 2019-11-26 | 2020-01-31 | 佛山市华澄环保装备科技有限公司 | waste gas treatment system |
| CN111189056A (en) * | 2020-01-16 | 2020-05-22 | 中国科学院过程工程研究所 | Handle heat accumulation burner that contains chlorine volatile organic compounds waste gas |
-
2013
- 2013-05-30 CN CN201320315588.0U patent/CN203442846U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764027A (en) * | 2015-03-23 | 2015-07-08 | 华南理工大学 | Two-chamber type regenerative catalytic organic waste gas purification device having back blowing function |
| CN106582262A (en) * | 2015-10-19 | 2017-04-26 | 江苏中科睿赛污染控制工程有限公司 | Heat accumulating type VOCs catalytic oxidation device and technology |
| CN106582263A (en) * | 2015-10-19 | 2017-04-26 | 江苏中科睿赛污染控制工程有限公司 | Rotary wheel adsorption concentration and catalytic oxidation device and process |
| CN106352358A (en) * | 2016-08-30 | 2017-01-25 | 苏州云白环境设备股份有限公司 | Using method of reversible catalytic burner |
| CN106705073A (en) * | 2017-03-09 | 2017-05-24 | 上海兰宝环保科技有限公司 | Electric heating heat storage incineration waste gas treatment device |
| CN107387806A (en) * | 2017-09-02 | 2017-11-24 | 江苏中科机械有限公司 | The flexible switching valve of heat storage burner |
| CN110732244A (en) * | 2019-11-26 | 2020-01-31 | 佛山市华澄环保装备科技有限公司 | waste gas treatment system |
| CN111189056A (en) * | 2020-01-16 | 2020-05-22 | 中国科学院过程工程研究所 | Handle heat accumulation burner that contains chlorine volatile organic compounds waste gas |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20180530 |