CN106178833A - Industrial waste gas zeolite treatment system - Google Patents
Industrial waste gas zeolite treatment system Download PDFInfo
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- CN106178833A CN106178833A CN201610726264.4A CN201610726264A CN106178833A CN 106178833 A CN106178833 A CN 106178833A CN 201610726264 A CN201610726264 A CN 201610726264A CN 106178833 A CN106178833 A CN 106178833A
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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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/06—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
A kind of industrial waste gas zeolite treatment system, including: zeolite wheel set assembly, zeolite wheel set assembly includes gas inlet device, unit of exhausting waste gas and zeolite runner；Zeolite regeneration assembly, zeolite regeneration assembly includes thermal source, regeneration blower fan and concentrated gas conveyance conduit；Concentrated gas fuel assembly, concentrated gas fuel assembly includes apparatus main body and shunting preheater, and apparatus main body is disposed with tail gas and discharges chamber, gas flow chamber, heat exchanger chambers and reaction chamber；Heater, heater and reaction chamber are connected in reaction chamber provide heat energy.The invention enables zeolite runner to carry out organic absorption and desorption in tail gas simultaneously, additionally, thermal current can form high-enriched organics thermal current tail gas by after zeolite runner, high-enriched organics thermal current tail gas carries out catalytic treatment by concentrated gas fuel assembly, can form free of contamination carbon dioxide and water.The present invention has environmental protection, energy-conservation advantage.
Description
Technical field
The present invention relates to industrial tail gas processing equipment technical field, more specifically, particularly to a kind of industrial waste gas boiling
Stone processing system.
Background technology
In the prior art, the industrial waste gas of major part chemical enterprise discharge all can contain fuel gas, such as H2、
CO、CH4Deng, the composition of the imflammable gas owing to comprising in industrial waste gas only accounts for the 10～20% of waste gas total amount, so waste gas
Calorific value the highest, about 500～2000Kcal/Nm3, and supply gas pressure is the lowest, about 0.4～1.25Kpa, so this heat
The industrial waste gas that value is the lowest with air pressure at all can not be with the burning of common gas burner normal table, and this results in big portion
The industrial waste gas divided is directly discharged in air, so, not only wastes resource but also pollute environment.
Summary of the invention
(1) technical problem
In sum, how the imflammable gas in industrial waste gas is reclaimed and improve its concentration simultaneously, so that returning
The imflammable gas received can be directly applied for burning, solves the wasting of resources and environmental pollution etc. present in prior art
Problem, becomes those skilled in the art's problem demanding prompt solution.
(2) technical scheme
The invention provides a kind of industrial waste gas zeolite treatment system, including:
Zeolite wheel set assembly, described zeolite wheel set assembly includes gas inlet device, unit of exhausting waste gas and zeolite
Runner, described gas inlet device and described unit of exhausting waste gas are divided into the both sides of described zeolite runner and turn with described zeolite
Wheel is oppositely arranged, and described gas inlet device, described zeolite runner and described unit of exhausting waste gas are formed with exhaust-gas treatment and lead to
Road；
Zeolite regeneration assembly, described zeolite regeneration assembly includes thermal source, regeneration blower fan and concentrated gas conveyance conduit,
Described regeneration blower fan is arranged on described concentrated gas conveyance conduit, and described concentrated gas conveyance conduit includes air inlet port,
Described thermal source includes hot-fluid output port, and described air inlet port and described hot-fluid output port are oppositely arranged and are divided into described
The both sides of zeolite runner are also formed with reduction path with described zeolite runner；
Concentrated gas fuel assembly, described concentrated gas fuel assembly includes apparatus main body and shunting preheater, institute
State apparatus main body and be provided with that tail gas enters chamber, tail gas discharges chamber, gas flow chamber, heat exchanger chambers and reaction chamber
Room, described shunting preheater is arranged at described tail gas and discharges in chamber, described heat exchanger chambers and gas flow chamber, described
Shunting preheater is arranged at that described heat exchange chamber is indoor and to be divided into be two independent heat exchange chamber chamber units, Qi Zhongyi
Individual described heat exchange chamber chamber unit is heat releasing unit, and another described heat exchange chamber chamber unit is heat absorbing units, and described shunting is pre-
Hot device is arranged in described gas flow chamber and is divided into is two independent flow channels, one of them described flowing
Passage is inflow channel, and another described flow channel is for going out circulation road, and described shunting preheater includes axis and BAIYE
Plate, described shutter board is arranged along the axis direction of described axis, and described shutter board includes multiple, and whole described shutter boards encloses
Arranging around described axis interval, be formed with heat treatment space between two adjacent described shutter boards, described axis is rotationally
Be arranged in described apparatus main body, described heat releasing unit connected with described inflow channel by described heat treatment space, described in put
Hot cell connects with one end of described reaction chamber, is provided with on the position that described heat releasing unit connects with described reaction chamber
First catalyst, the other end of described reaction chamber connects with described heat absorbing units, in described heat absorbing units and described reaction chamber
Be provided with the second catalyst on the position of room connection, described in go out circulation road and connect with described heat absorbing units, described flow pass is logical
Crossing described heat treatment space and discharge chamber with described tail gas, described tail gas enters and offers air inlet on chamber, described tail
Gas is discharged and is offered gas outlet on chamber, and described gas outlet is connected with described concentrated gas conveyance conduit；
Heater, described heater and described reaction chamber are connected in described reaction chamber provide heat energy.
Preferably, described gas inlet device includes preprocessor, and described preprocessor is for can enter dust
The dust filter unit that row filters.
Preferably, described zeolite runner includes external frame, driving means and zeolite unit, described zeolite unit bag
Having included zeolite unit, described zeolite unit is loop configuration, and described zeolite unit includes multiple, whole described zeolite unit
Diameter successively decreases successively and intussusception is arranged；
Described driving means includes driving motor and drives belt, and described driving belt sleeve is located at described external frame
Outside, described driving motor is connected with described driving belt power, and described driving motor is by described driving belt drive institute
State external frame to rotate.
Preferably, described zeolite unit is hydrophobic zeolite unit.
(3) beneficial effect
Being designed by said structure, the present invention utilizes zeolite runner that waste gas carries out de-Organic substance and processes, and zeolite runner exists
Processing procedure at the uniform velocity rotates, as such, it is possible to make zeolite runner carry out adsorbing and being desorbed simultaneously, it is ensured that zeolite runner is permissible
All the time it is in the organic optimum state of absorption, improves exhaust treatment efficiency.The desorption of zeolite runner is processed by the present invention
Utilizing thermal current to realize, thermal current can form high-enriched organics thermal current tail gas, such height by after zeolite runner
Concentration organic thermal current tail gas carries out catalytic treatment by concentrated gas fuel assembly, can form free of contamination carbon dioxide
It is discharged in environment with water.The Organic substance comprised in tail gas, when catalytic reaction, can discharge substantial amounts of heat energy, and these heat energy are also
Can be used again, thus improve the present invention and there is environmental protection, energy-conservation advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of concentrated gas fuel assembly in the embodiment of the present invention；
In FIG, component names with the corresponding relation of reference is:
Zeolite wheel set assembly 1, shunting preheater 2, tail gas enter chamber 3,
Tail gas discharge chamber 4, reaction chamber 5, heat releasing unit 6, heat absorbing units 7,
Inflow channel 8, go out circulation road the 9, first catalyst the 10, second catalyst 11.
Detailed description of the invention
With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.Following example are used for
The present invention is described, but can not be used for limiting the scope of the present invention.
In describing the invention, except as otherwise noted, " multiple " are meant that two or more；Term " on ",
Orientation or the position relationship of the instruction such as D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", " afterbody " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second ", " the 3rd " etc. be only used for describe purpose, and it is not intended that instruction or
Hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is connected ", " even
Connect " should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；It can be machine
Tool connects, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
Refer to Fig. 1, Fig. 1 is the structural representation of concentrated gas fuel assembly in the embodiment of the present invention.
The invention provides a kind of industrial waste gas zeolite treatment system, the concrete structure of this system is as follows, comprising:
1, zeolite wheel set assembly 1, zeolite wheel set assembly 1 includes gas inlet device, unit of exhausting waste gas and zeolite
Runner, gas inlet device and unit of exhausting waste gas are divided into the both sides of zeolite runner and are oppositely arranged with zeolite runner, waste gas
Air intake installation, zeolite runner and unit of exhausting waste gas are formed with exhaust-gas treatment path.
Zeolite wheel set assembly 1 is the device rotated that remains a constant speed in the course of the work, and it has a zeolite runner,
Zeolite runner uses disc-shaped structure design, and zeolite runner uses and is vertically arranged.In this structure designs, by gas inlet device
With the both sides that unit of exhausting waste gas is divided into zeolite runner so that by giving up that gas inlet device and unit of exhausting waste gas are formed
Gas path passes right through a part for zeolite runner, is realized adsorption filtration organic in waste gas by zeolite runner.Zeolite
Runner is after persistently adsorbing Organic substance, and its filter capacity declines, owing to zeolite runner persistently rotates, therefore, and zeolite runner
The part of middle one-tenth saturation can depart from exhaust passageway and enter on reduction path.
2, zeolite regeneration assembly, zeolite regeneration assembly includes thermal source, regeneration blower fan and concentrated gas conveyance conduit, then
Raw blower fan is arranged on concentrated gas conveyance conduit, and concentrated gas conveyance conduit includes air inlet port, and thermal source includes hot-fluid
Output port, air inlet port and hot-fluid output port be oppositely arranged and be divided into zeolite runner both sides and with zeolite runner shape
Become to have reduction path.
Designing in conjunction with said structure, zeolite runner persistently rotates, and each several part of such zeolite runner constantly experiences absorption, goes back
Repetition former, that adsorb again, restore.
3, concentrated gas fuel assembly, concentrated gas fuel assembly includes apparatus main body and shunting preheater 2, device
Main body is provided with tail gas and enters chamber 3, tail gas discharge chamber 4, gas flow chamber, heat exchanger chambers and reaction chamber 5, point
Stream preheater 2 is arranged at tail gas and discharges in chamber 4, heat exchanger chambers and gas flow chamber, and shunting preheater 2 is arranged at heat
In heat exchanger chambers and to be divided into be two independent heat exchange chamber chamber units, one of them heat exchange chamber chamber unit is heat release
Unit 6, another heat exchange chamber chamber unit is heat absorbing units 7, in shunting preheater 2 is arranged at gas flow chamber and by its point
Being slit into is two independent flow channels, and one of them flow channel is inflow channel 8, and another flow channel is for going out circulation road
9, shunting preheater 2 includes axis and shutter board, and shutter board is arranged along the axis direction of axis, and shutter board includes many
Individual, whole shutter boards is arranged around axis interval, is formed with heat treatment space between two adjacent shutter boards, and axis can turn
Being arranged in apparatus main body, heat releasing unit 6 is connected with inflow channel 8 by heat treatment space, heat releasing unit 6 and reaction chamber dynamicly
One end connection of room 5, is provided with the first catalyst 10, reaction chamber 5 with reaction chamber 5 on the position that heat releasing unit 6 connects
The other end connect with heat absorbing units 7, on the position that heat absorbing units 7 connects, be provided with the second catalyst 11 with reaction chamber 5,
Going out circulation road 9 to connect with heat absorbing units 7, flow pass is discharged chamber 4 by heat treatment space with tail gas and is connected, and tail gas enters chamber
Offering air inlet on room 3, tail gas is discharged and is offered gas outlet on chamber 4, and gas outlet is connected with concentrated gas conveyance conduit.
Said structure design gas can have been carried out in a device simultaneously gas preheating, catalysis, be catalyzed again, gas
The operation of heat release, it not only ensure that organic resolution ratio in gas, also improves the treatment effeciency of gas.
In the present invention, shunting preheater 2 is arranged on inside apparatus main body, and it at the uniform velocity rotates during efforts,
So, shutter board from flow pass to flow channel rotate time, can from flow pass absorb heat, then flow channel is entered
Row preheating.
4, heater, heater and reaction chamber 5 are connected in reaction chamber 5 provide heat energy.
Being designed by said structure, the present invention utilizes zeolite runner that waste gas carries out de-Organic substance and processes, and zeolite runner exists
Processing procedure at the uniform velocity rotates, as such, it is possible to make zeolite runner carry out adsorbing and being desorbed simultaneously, it is ensured that zeolite runner is permissible
All the time it is in the organic optimum state of absorption, improves exhaust treatment efficiency.The desorption of zeolite runner is processed by the present invention
Utilizing thermal current to realize, thermal current can form high-enriched organics thermal current tail gas, such height by after zeolite runner
Concentration organic thermal current tail gas carries out catalytic treatment by concentrated gas fuel assembly, can form free of contamination carbon dioxide
It is discharged in environment with water.The Organic substance comprised in tail gas, when catalytic reaction, can discharge substantial amounts of heat energy, and these heat energy are also
Can be used again, thus improve the present invention and there is environmental protection, energy-conservation advantage.
Zeolite molecular sieve has the structure and features of crystal, and surface is solid skeletal, and absorption point can be played in internal hole
The effect of son.In zeolite, between its hole having, duct is interconnected, and extraneous molecule is passed through by duct.Due to hole
Crystallographic property, the pore-size distribution of molecular sieve is very uniform.Molecule is selected by molecular sieve according to the size in its crystals hole
Selecting property is adsorbed, and namely adsorbs a certain size molecule and repels the molecule of bigger material, because of zeolite internal junction in zeolite runner
Structure aperture with major part organic exhaust gas VOCs molecule particle diameter close, so being particularly well-suited to for adsorbing in organic exhaust gas
Pollutant component.
Zeolite molecular sieve absorption or the function repelled electrically are affected by molecule.In the present invention, specifically limit: zeolite unit
For hydrophobic zeolite unit.
Zeolite in zeolite runner has hydrophobicity, and it can carry out selective absorption according to bulk of molecule and polarity
Nonpolar molecule in organic exhaust gas, thus most organic exhaust gas (most of organic exhaust gas belong to polarity) is had preferably by it
Characterization of adsorption.
Owing to there is lack of equilibrium and unsaturated molecular attraction or chemical bond force on zeolite surface, therefore when this solid table
When face contacts with gas, just can attract gas molecule so that it is dense coalescence is maintained at the surface of solids, this phenomenon is referred to as absorption.Utilize
The absorbability on its surface, makes waste gas contact with the porous solid material on big surface, and the pollutant in waste gas are attracted to
On the surface of solids so that it is separate with admixture of gas, reach to purify purpose.
In the present invention, its first catalyst used and the second catalyst are potsherd.
In the present invention, the desorption and regeneration process of zeolite runner is as follows:
Zeolite runner is divided into multiple region, is wherein broadly divided into adsorption zone, desorption and regeneration district and cooling zone.Specifically,
In an embodiment of the invention, zeolite runner is divided into 12 lattice, and wherein 10 lattice are that adsorption zone, 1 lattice are for desorption district, 1 lattice
Cooling zone, zeolite runner slowly rotates under the driving of motor or motor.10 adsorption zones respectively enter desorption after absorption
And cooling stage becomes desorption district, cooling zone.The air quantity of cooling zone cooling is generally from waste gas, and waste gas cools down to cooling zone
Rear heating further, is desorbed desorption district, and the air quantity after being desorbed out enters back into RCO burner, carries out heat-storage catalytic
Formula combustion decomposition.
Specifically, gas inlet device includes preprocessor, and preprocessor is can filter dust
Dust filter unit.
The present invention mainly gas filters.But it does not have through the waste gas filtered, the most not only include organic
Pollutant, also include the impurity such as the inorganic pollution being in granular form state, such as coal ash.In order to avoid above-mentioned dust-like pollutant
Polluting zeolite runner, reduce the adsorption effect of zeolite runner, the present invention is provided with preprocessor especially.Preprocessor is concrete
Dust settling pocket or electrostatic adsorption device can be used to realize the filtration of dust, not contain the waste gas of dust again through zeolite runner,
The zeolite in zeolite runner can be avoided to be polluted by dust, as such, it is possible to improve the service life of zeolite and improve it
Adsorption effect for organic pollution.
Specifically, zeolite runner includes external frame, driving means and zeolite unit, and zeolite unit includes zeolite
Unit, zeolite unit is loop configuration, and zeolite unit includes multiple, and whole zeolite element diameters successively decreases successively and intussusception sets
Put；Driving means includes driving motor and drives belt, drives belt sleeve to be located at the outside of external frame, drive motor with
Drive belt power to connect, drive motor by driving belt drive external frame to rotate.
Embodiments of the invention are given for example with for the sake of describing, and are not exhaustively or by this
Bright it is limited to disclosed form.Many modifications and variations are apparent from for the ordinary skill in the art.Choosing
Selecting and describe embodiment is in order to the principle of the present invention and actual application are more preferably described, and makes those of ordinary skill in the art
It will be appreciated that the present invention thus design is suitable to the various embodiments with various amendments of special-purpose.
Claims (4)
1. an industrial waste gas zeolite treatment system, it is characterised in that including:
Zeolite wheel set assembly (1), described zeolite wheel set assembly includes gas inlet device, unit of exhausting waste gas and zeolite and turns
Wheel, described gas inlet device and described unit of exhausting waste gas be divided into described zeolite runner both sides and with described zeolite runner
Being oppositely arranged, described gas inlet device, described zeolite runner and described unit of exhausting waste gas are formed with exhaust-gas treatment path；
Zeolite regeneration assembly, described zeolite regeneration assembly includes thermal source, regeneration blower fan and concentrated gas conveyance conduit, described
Regeneration blower fan is arranged on described concentrated gas conveyance conduit, and described concentrated gas conveyance conduit includes air inlet port, described
Thermal source includes hot-fluid output port, and described air inlet port and described hot-fluid output port are oppositely arranged and are divided into described zeolite
The both sides of runner are also formed with reduction path with described zeolite runner；
Concentrated gas fuel assembly, described concentrated gas fuel assembly includes apparatus main body and shunting preheater (2), described
Apparatus main body is provided with tail gas and enters chamber (3), tail gas discharge chamber (4), gas flow chamber, heat exchanger chambers and reaction
Chamber (5), described shunting preheater is arranged at described tail gas and discharges chamber, described heat exchanger chambers and gas flow chamber
In, described shunting preheater is arranged at that described heat exchange chamber is indoor and to be divided into be two independent heat exchanger chambers lists
Unit, one of them described heat exchange chamber chamber unit is heat releasing unit (6), and another described heat exchange chamber chamber unit is heat absorbing units
(7), described shunting preheater is arranged in described gas flow chamber and is divided into is two independent flow channels, its
In a described flow channel be inflow channel (8), another described flow channel for going out circulation road (9), described shunting preheating
Device includes axis and shutter board, and described shutter board is arranged along the axis direction of described axis, and described shutter board includes many
Individual, whole described shutter boards is arranged around described axis interval, is formed with heat treatment between two adjacent described shutter boards
Space, described axis is rotatablely arranged in described apparatus main body, and described heat releasing unit is by described heat treatment space and institute
State inflow channel connection, described heat releasing unit connects with one end of described reaction chamber, in described heat releasing unit and described reaction
Being provided with the first catalyst (10) on the position of chamber, the other end of described reaction chamber connects with described heat absorbing units,
On the position that described heat absorbing units connects, be provided with the second catalyst (11) with described reaction chamber, described in go out circulation road and institute
Stating heat absorbing units connection, described flow pass discharges chamber, described tail gas by described heat treatment space with described tail gas
Entering and offer air inlet on chamber, described tail gas is discharged and is offered gas outlet on chamber, described gas outlet and described concentrated gas
Body conveyance conduit connects；
Heater, described heater and described reaction chamber are connected in described reaction chamber provide heat energy.
Industrial waste gas zeolite treatment system the most according to claim 1, it is characterised in that
Described gas inlet device includes preprocessor, and described preprocessor is the dust that can filter dust
Filter.
Industrial waste gas zeolite treatment system the most according to claim 2, it is characterised in that
Described zeolite runner includes external frame, driving means and zeolite unit, and described zeolite unit includes zeolite list
Unit, described zeolite unit is loop configuration, and described zeolite unit includes multiple, and whole described zeolite element diameters is passed successively
Subtract and intussusception is arranged；
Described driving means includes driving motor and drives belt, and described driving belt sleeve is located at outside described external frame
Side, described driving motor is connected with described driving belt power, and described driving motor is by outside described in described driving belt drive
Portion's frame member.
Industrial waste gas zeolite treatment system the most according to claim 3, it is characterised in that
Described zeolite unit is hydrophobic zeolite unit.
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| CN201610726264.4A CN106178833A (en) | 2016-08-26 | 2016-08-26 | Industrial waste gas zeolite treatment system |
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| KR101437828B1 (en) * | 2011-05-31 | 2014-09-03 | 주식회사 엔바이온 | Highly Effective Regenerative Thermal Oxidizer Minimizing introduction of the Air |
| CN202382258U (en) * | 2011-12-15 | 2012-08-15 | 柯鹏鸿 | Heat accumulating type high-temperature oxidation furnace |
| CN205424948U (en) * | 2016-03-15 | 2016-08-03 | 东莞市蓝龙环境工程有限公司 | Rotatory heat accumulation oxidation unit of organic waste gas |
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