CN208145730U - A kind of catalytic oxidizing equipment of efficient process VOCs organic exhaust gas - Google Patents
A kind of catalytic oxidizing equipment of efficient process VOCs organic exhaust gas Download PDFInfo
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- CN208145730U CN208145730U CN201820472270.6U CN201820472270U CN208145730U CN 208145730 U CN208145730 U CN 208145730U CN 201820472270 U CN201820472270 U CN 201820472270U CN 208145730 U CN208145730 U CN 208145730U
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Abstract
The utility model relates to a kind of catalytic oxidizing equipments of efficient process VOCs organic exhaust gas.The catalytic oxidizing equipment of the efficient process VOCs organic exhaust gas includes dry filter, fire arrester, heat exchanger, heater and catalysis-oxidation reactor, wherein, dry filter is connected with fire arrester, fire arrester is connected with the cold-side inlet of heat exchanger, the cold side outlet of heat exchanger is connected with heater, heater is connected with catalysis-oxidation reactor, and catalysis-oxidation reactor is connected with the hot-side inlet of heat exchanger, and the hot end outlet of heat exchanger is connected with chimney.The utility model improves catalysis-oxidation reactor structure, and energy consumption is reduced while improving device reliability, guarantees catalyst utilization and device to the purification efficiency of exhaust gas, in the process of running, entrance VOCs organic exhaust gas concentration is 0.5-6g/m to device3, reaction velocity SV=5K-30K h‑1, device is to the removal efficiency of VOCs up to 99.5% or more.
Description
Technical field
The utility model relates to a kind of catalytic oxidizing equipments of efficient process VOCs organic exhaust gas.
Background technique
Volatile organic compounds (VOCs) is after SO2、NOxExcept another important pollutant, it is heavy to bring to environment and life
Weight power.China VOCs there are discharge amounts it is big, source is complicated the features such as, the industries such as coating, printing, chemical industry have promulgated VOCs in succession
Discharge standard, to cut down VOCs discharge.Catalysis-oxidation is to remove the effective means of VOCs, will under heating and catalyst action
VOCs is oxidized to innoxious H2O and CO2。
Catalysis-oxidation core is CO (Catalytic Oxidation) reactor and catalyst, direct decision systems
Treatment effeciency and energy consumption, conventional CO reactor, catalyst elements are piled up into catalyst bed, and catalyst bed uses laminates
It sets.Reactor is there are low efficiency, and structure is complicated, volume is big, and catalyst installation and replacement are inconvenient, air-flow, Temperature Distribution it is uniform
The disadvantages of property is poor, exists simultaneously that leakproofness is poor, easily forms short stream, leads to CO reactor for treatment low efficiency.In order to improve equipment
Except efficiency, optimization airflow, Temperature Distribution and recycling thermal energy, prior art discloses certain methods and strategy.
Patent CN 204285486 discloses a kind of device for handling forming machine exhaust gas, by electrostatic precipitator and catalytic module
Combination, electrostatic precipitator remove the particulate matter in removing exhaust gas, and core cell catalysis oxidation module goes the VOCs in removing exhaust gas, honeycomb
Catalyst is assembled into catalyst bed, and structure of reactor is complicated, and gas distribution uniformity is poor.Patent CN 205461796 is disclosed
A kind of device of efficient process organic exhaust gas VOCs, using catalysis-combustion method, inside reactor is catalyst filling layer, filling
The not equal nano-pore of level, rare earth containing zeolite effective catalyst, the purification efficiency of system>99%.But pellet type catalyst causes
Resistance increases, and is unfavorable for air flow method, easily forms short stream and localised load increases, in addition, reaction heat is not easy to spread, easily cause to urge
Agent bed temperature increases, and then catalyst is caused sintering, inactivation occur.CN 107583409 is disclosed at a kind of novel VOC
Reason system, using zeolite molecular sieve runner+catalysis combustion mode, zeolite molecular sieve runner is absorption-enriching section, catalysis-burning
Reactor includes catalytic plate and heat exchanger, and catalytic plate is arranged 3-5 layers, and catalytic plate exit gas enters heat exchanger, is divided for heating
Son sieve runner desorption gas, to reduce energy consumption.But there are air flow method unevenness, to fluctuation bad adaptability.CN 107497291 is public
A kind of combustion-type VOC processing unit has been opened, absorption, preheating and catalysis burning are integrated in one, mainly utilize waste gas burning
The heat of generation preheats the exhaust gas for entering catalytic combustion system, reduces energy consumption, does not optimize to reactor.
It is currently used for catalysis-oxidation reactor of VOCs processing, it is characterised in that reactor is a cuboid cavity, catalysis
Bed is to be assembled by catalyst monomer through the mode of piling up, and reactor needs to be arranged complicated reducer union, conversion valve etc., is fabricated to
This is big.In addition, that there is also equipment volumes is big, air flow method is uneven, structure of reactor is complicated, catalyst installation, regeneration and replacement
Inconvenience etc..
Utility model content
In view of the problems of the existing technology and insufficient, the utility model provides a kind of efficient process VOCs organic exhaust gas
Catalytic oxidizing equipment, wherein included catalysis-oxidation reactor is composed of multiple independent single tube reactors, effective gram
Take traditional reactor there are the shortcomings that.
The technical solution that the utility model solves the above problems is as follows：A kind of catalysis oxygen of efficient process VOCs organic exhaust gas
Makeup is set including dry filter (1), fire arrester (2), heat exchanger (3), heater (4) and catalysis-oxidation reactor, wherein
The dry filter (1) is connected with the fire arrester (2), the cold-side inlet phase of the fire arrester (2) and the heat exchanger (3)
Even, the cold side outlet of the heat exchanger (3) is connected with the heater (4), and the heater (4) and the catalysis-oxidation are anti-
Device is answered to be connected, the catalysis-oxidation reactor is connected with the hot-side inlet of the heat exchanger (3), and the heat exchanger (3)
Hot end outlet is connected with chimney (11).
Further, one end of the dry filter (1) is dense by air inlet motor-driven valve (V1) and exhaust gas discharge end or absorption
Contracting desorption end is connected, and the other end of the dry filter (1) is connected with the fire arrester (2)；The heat exchanger (3) it is cold
It brings out mouth to be connected with the entrance of the heater (4), and the outlet of the heater (4) passes through expansion joint (5) and the catalysis-
Oxidation reactor is connected；The hot end outlet of the heat exchanger (3) is connected by air-introduced machine (10) with chimney (11).
Further, the catalysis-oxidation reactor is by gas manifold (6), photocatalyst module (7) and gas mixing box
(8) it constitutes, the entrance of the gas manifold (6) is connected by expansion joint (5) with the outlet of the heater (4), the gas
The outlet of body distributor box (6) is connected by quick change clip (12) with the entrance of the photocatalyst module (7), the photocatalyst module
(7) outlet is connected by quick change clip (12) with the entrance of the gas mixing box (8), and the gas mixing box (8)
Outlet is connected with the hot-side inlet of the heat exchanger (3).
In the present invention, the structure of quick change clip is U-shaped structure, possessed up and down by U-shaped structure itself
Outwardly extending card hangs over the outlet of the gas manifold (6) and the inlet of the gas mixing box (8), convenient at any time
Pick and place replacement.
Further, urgent exhaust valve (EV1) and pressure controller (P1) are connected on the gas manifold (6).
The urgent exhaust valve (EV1) and the pressure controller (P1) can prevent from reacting too fast and leading to catalyst converter mould
Block (7) interior pressure rise.
Further, by least one single tube reactor (71), assembling is constituted the photocatalyst module (7) side by side, the single tube
Reactor (71) is by catalyst monomer (711), fire resistant seal liner (712), cylinder (713), insulating layer (714) and reactor
Shell (715) is constituted, wherein the catalyst monomer (711) is mounted in the cylinder (713), the catalyst monomer
(711) there are the fire resistant seal liner (712), the cylinder (713) and the shell of reactor between the cylinder (713)
(715) insulating layer (714) constituted between filled with flame-proof thermal insulation material.
In the present invention, the photocatalyst module (7) is assembled into side by side using at least one single tube reactor (71)
Catalytic bed has the advantages that：1, catalyst loading is uniform, good airproof performance；2, catalyst light-off is fast, utilization rate
Height, and excellent catalytic activity can be kept；3, modularized design facilitates the maintenance, regeneration and replacement of catalyst.
Further, catalyst monomer (711) described in installation 1-4 block in the single tube reactor (71), and the single tube is anti-
Answer device (71) that there are single tube reactor air inlet (72) and single tube reactor gas outlet (73), wherein the single tube reactor air inlet
Mouth (72) is connected with the gas manifold (6), and the single tube reactor gas outlet (73) and the gas mixing box (8)
It is connected.
In the present invention, the catalyst monomer (711) can be but not limited to cylindrical shape, square shape
Or rectangular shape, preferably cylindrical shape, available better catalyst utilization.Further, when the single tube
In reactor (71) when catalyst monomer (711) described in installation 2-4 block, between two adjacent catalyst monomers (711)
Distance be 30-100mm.
In the present invention, the distance between two adjacent described catalyst monomers (711) are 30-100mm, herein
Gas can be made to carry out preferably secondary mixing in range, to keep catalyst loading uniform.For the catalyst monomer
(711) for installation, each catalyst monomer (711) is individually encapsulated with a sealing gasket, that is, encapsulates a band sealing lining
Then the catalyst monomer (711) of pad encapsulates subsequent catalyst monomer (711) with the interval of 30-100mm.
Further, the diameter of the cross section of the catalyst monomer (711) is 7.5-30 inches, and each catalyst
The layer height of monomer (711) is 3-20 inches.
In the present invention, when the cross section of the catalyst monomer (711) diameter be 7.5-30 inch, and each
When the layer height of the catalyst monomer (711) is 3-20 inches, catalyst has excellent catalytic activity under high loads, low
Pressure drop.Depending on specific size specification can be by the treating capacity and requirement of VOC exhaust gas.
Further, it is provided with catalyst between the heater (4) and the catalysis-oxidation reactor and mends cooling system, institute
It states catalyst benefit cooling system to be made of benefit cold air motor-driven valve (V2) and cooling blower (9), the benefit cold air motor-driven valve (V2)
One end be connected with the entrance of the catalysis-oxidation reactor by cooling blower (9), and the benefit cold air motor-driven valve (V2)
The other end communicated with atmosphere.
In the present invention, the catalyst mends the inlet that the catalysis-oxidation reactor is arranged in cooling system, is
Prevent high temperature, excessively thermally-induced sintering of catalyst, specifically, the catalyst, which mends cooling system, can be located at the upper of expansion joint (5)
Side or lower section.
Further, heat exchanger cold-side inlet is connected between the fire arrester (2) and the cold-side inlet of the heat exchanger (3)
Temperature controller (T30), close to the heat exchanger between the cold side outlet and the heater (4) entrance of the heat exchanger (3)
(3) be connected with heat exchanger cold side outlet temperature controller (T31) at cold side outlet, the cold side outlet of the heat exchanger (3) and
It is connected with calorifier inlets temperature controller (T40) close to the heater (4) inlet between heater (4) entrance,
Heater outlet temperature controller is connected between heater (4) outlet and the catalysis-oxidation reactor entrance
(T41), the catalysis-oxidation reactor inlet is connected with photocatalyst module inlet temperature controller (T70), and described urges
Change-oxidation reactor exit is connected with photocatalyst module outlet temperature controller (T71).
Wherein, the catalysed oxidation processes of efficient process VOCs organic exhaust gas include the following steps：It will be organic containing volatility
The organic exhaust gas of compound is used for the dust and particulate matter gone in removing exhaust gas through dry filter (1)；By going in removing exhaust gas
Organic exhaust gas after dust and particulate matter enters heat exchanger (3) after fire arrester (2)；Enter heater (4) after exchanging heat, when adding
The temperature that the temperature and calorifier inlets temperature controller (T40) that hot device outlet temperature controller (T41) monitors monitor
Difference DELTA T=T41-T40>When preset temperature, the organic exhaust gas after heater (4) heat exchanging is heated；Have after heating
Machine exhaust gas enters catalysis-oxidation reactor and carries out catalysis oxidation；Organic exhaust gas after the catalysis oxidation is successively through heat exchanger (3)
With smoke stack emission into atmosphere.
In the present invention, the opening and closing of benefit cold air motor-driven valve (V2) and the cooling blower (9) are logical
The photocatalyst module inlet temperature controller (T70) is crossed to be controlled.The heater outlet temperature controller (T41) is used for
Catalysis-oxidation reactor entrance gas temperature is measured, the calorifier inlets temperature controller (T40) is for measuring heating
The gas temperature of device (4) entrance, the heater outlet temperature controller (T41) and the calorifier inlets temperature controller
(T40) it is provided commonly for the operation of control heater (4).Gas after heater (4) heating, entering, catalysis-oxidation is anti-
It answers and is controlled before device with the photocatalyst module inlet temperature controller (T70), if the photocatalyst module inlet temperature control
The temperature that device (T70) processed monitors is higher than setting value, then opens the catalyst and mend cooling system.
It is used for catalysis-oxidation, purification device of VOCs organic exhaust gas by adopting the above technical scheme, exhaust gas to be in succession through exchanging heat
Enter catalysis-oxidation reactor after device preheating, heater heating, is effectively utilized catalysis reaction heat, reduces energy consumption；Catalysis-
Oxidation reactor assembles composition using single tube reactor side by side, exhaust gas after gas manifold even into each single tube reactor,
Air-flow, temperature uniformity are optimized, catalyst utilization is improved；Single tube reactor and gas manifold, gas mixing box are logical
Quick change clamp connection is crossed, the installation, maintenance and replacement of catalytic module are facilitated；Single tube reactor size and number can be according to waste gas stream
Amount is freely adjusted, is assembled, it can be achieved that mass makes；Catalyst monomer is encapsulated in cylinder using fire resistant seal liner, is improved
Single tube reactor leakproofness, avoids the short stream efficiency is caused to reduce.
In conclusion the utility model improves catalysis-oxidation reactor structure, dropped while improving device reliability
Low energy consumption guarantees catalyst utilization and device to the purification efficiency of exhaust gas, and in the process of running, entrance VOCs has device
Machine exhaust gas concentration is 0.5-6g/m3, reaction velocity SV=5K-30K h-1, device to the removal efficiency of VOCs up to 99.5% with
On.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the catalytic oxidizing equipment of the utility model efficient process VOCs organic exhaust gas；
Fig. 2 is single tube reactor schematic elevation view in the utility model；
Fig. 3 is the structural schematic diagram of section in Fig. 2；
Fig. 4 is catalyst cylinder the schematic diagram of the section structure in the utility model.
In Fig. 1 to Fig. 4, parts list represented by the reference numerals are as follows
1, dry filter, 2, fire arrester, 3, heat exchanger, 4, heater, 5, expansion joint, 6, gas manifold, 7, catalysis
Device module, 71, single tube reactor, 711, catalyst, 712, fire resistant seal liner, 713, cylinder, 714, insulating layer, 715, reaction
Device shell, 72, single tube reactor air inlet, 73, single tube reactor exhaust outlet, 8, gas mixing box, 9, mend air-cooler, 10, draw
Blower, 11, chimney, 12, quick change clip
V2, V1, air inlet motor-driven valve mend cold air motor-driven valve, EV1, urgent exhaust valve, P1, pressure controller
T30, heat exchanger cold-side inlet temperature controller, T31, heat exchanger cold side outlet temperature controller, T40, heater
Inlet temperature controller, T41, heater outlet temperature controller, T70, photocatalyst module inlet temperature controller, T71, catalysis
Device module outlet temperature controller
Specific embodiment
The utility model principle and feature are described below in conjunction with drawings and examples, illustrated embodiment is served only for solving
Release the utility model, and non-limiting the scope of the utility model.
Fig. 1 is the structural schematic diagram of the catalytic oxidizing equipment of the utility model efficient process VOCs organic exhaust gas, including dry
Formula filter 1, fire arrester 2, heat exchanger 3, heater 4 and catalysis-oxidation reactor, wherein one end of the dry filter 1
End is desorbed by air inlet motor-driven valve V1 and exhaust gas discharge end or Adsorption Concentration to be connected, and the other end of the dry filter 1 and
The fire arrester 2 is connected；The fire arrester 2 is connected with the cold-side inlet of the heat exchanger 3, the cold side outlet of the heat exchanger 3
It is connected with the entrance of the heater 4, and the outlet of the heater 4 passes through expansion joint 5 and the catalysis-oxidation reactor phase
Even, the catalysis-oxidation reactor is connected with the hot-side inlet of the heat exchanger 3, and the hot end outlet of the heat exchanger 3 passes through
Air-introduced machine 10 is connected with chimney 11.
Wherein, heat exchanger 3 is used to be catalyzed-the recycling of oxidation reaction heat, and for heating preheating, (preheating is heater 4
It is after system operation, the gas after heater 4 heats obtains reaction heat through catalytic oxidation, recycles heat using heat exchanger 3
Amount exhaust gas is preheated) after exhaust gas to reach catalyst light-off temperature.Described device entrance is equipped with fire arrester 2, prevents fire
Flame returns and alters initiation safety accident, in fire arrester leading portion equipped with dry filter 1, dust and particulate matter for going in removing exhaust gas,
It prevents particulate matter from depositing in equipment, catalyst surface and causes corrosion and blocking.
Catalysis-the oxidation reactor is made of gas manifold 6, photocatalyst module 7 and gas mixing box 8, the gas
The entrance of body distributor box 6 is connected by expansion joint 5 with the outlet of the heater 4, and the outlet of the gas manifold 6 passes through fast
Clip 12 is changed to be connected with the entrance of the photocatalyst module 7, the outlet of the photocatalyst module 7 by quick change clip 12 with it is described
The entrance of gas mixing box 8 is connected, and the outlet of the gas mixing box 8 is connected with the hot-side inlet of the heat exchanger 3.
Wherein, gas distribution case 6 is connect with the single tube reactor 71 in catalytic module 7 by quick change clip 12, and being used for will
Exhaust gas after heating is uniformly distributed, and exhaust gas improves catalyst utilization even into single tube reactor 71.
The outlet of photocatalyst module 7 is equipped with gas mixing box 8, is connect, is used for by quick change clip 12 with catalytic module 7
Collect the exhaust gas of the outlet of single tube reactor 71, to improve the heat exchange efficiency of heat exchanger 3.
The photocatalyst module 7 by least one single tube reactor 71 side by side assembling constitute, the single tube reactor 71 by
Catalyst monomer 711, fire resistant seal liner 712, cylinder 713, insulating layer 714 and shell of reactor 715 are constituted, wherein described urge
Agent monomer 711 is mounted in the cylinder 713, has the fire resisting between the catalyst monomer 711 and the cylinder 713
Sealing gasket 712, the insulating layer constituted between the cylinder 713 and the shell of reactor 715 filled with flame-proof thermal insulation material
714。
By several independent single tube reactors 71, assembling is constituted the photocatalyst module 7 side by side, single tube reactor 71 it is interior
Portion is provided with VOC oxidation catalyst (as using 10.5 cun of x4 cuns of+10.5 cun of x6 cuns of catalyst or 13 cun x6 cuns+2x13 cuns of x4
It is very little), (such as dimethylbenzene is in SV=30000h under certain condition for the VOCs species in exhaust gas-1, concentration 6g/m3, 280 DEG C of temperature
When, high conversion rate can be substantially oxidized in 99%), generate H2O and CO2.Big quantitative response can be generated in catalysis-oxidation reaction process
Heat only needs a small amount of energy input in device operational process for heating exhaust gas after the heat exchange of heat exchanger 3.
The single tube reactor 71 is that catalyst monomer 711 is encapsulated in cylinder 713 with fire resistant seal liner 712, cylinder
It is successively arranged insulating layer 714 and shell of reactor 715 outside body 713,1-4 block catalyst monomer is installed in single tube reactor 71
711, the diameter of catalyst monomer 711 is 7.5-30 inches, and the height of catalyst monomer 711 is 3-20 inches.
The photocatalyst module 7 is additionally provided with pressure controller P1 and urgent exhaust valve EV1, prevents from reacting too fast and causing to urge
Change pressure rise in device module.
It is provided with catalyst between the heater 4 and the catalysis-oxidation reactor and mends cooling system, the catalyst is mended
Cooling system is made of benefit cold air motor-driven valve V2 and cooling blower 9, and described one end for mending cold air motor-driven valve V2 passes through cooling wind
Machine 9 is connected with the entrance of the catalysis-oxidation reactor, and the other end for mending cold air motor-driven valve V2 is communicated with atmosphere.
It is equipped between the expansion joint 5 and catalysis-oxidation reactor entrance and mends air-cooler 9 and mend cold solenoid valve V2, for regulating and controlling to enter
The temperature of the gas of photocatalyst module 7 prevents temperature excessively high and damages to catalyst.
The cold-side inlet and cold side outlet of the heat exchanger 3 are respectively equipped with temperature controller T30 and T31, heater 4
Entrance and exit is respectively equipped with temperature controller T40 and T41, and the entrance and exit of photocatalyst module 7 is respectively equipped with temperature control
Device T70 and T71 are respectively used to the temperature of control unit entrance and exit, to maintain the exhaust gas parameters of unit.
Heat exchanger cold-side inlet temperature controller is connected between the fire arrester 2 and the cold-side inlet of the heat exchanger 3
T30 is connected at the cold side outlet of the heat exchanger 3 between 4 entrance of cold side outlet and the heater of the heat exchanger 3
There is a heat exchanger cold side outlet temperature controller T31, it is close between 4 entrance of cold side outlet and the heater of the heat exchanger 3
4 inlet of heater is connected with calorifier inlets temperature controller T40, the outlet of heater 4 and the catalysis-oxygen
Change and is connected with heater outlet temperature controller T41 between reactor inlet, the catalysis-oxidation reactor inlet connection
There is photocatalyst module inlet temperature controller T70, and the catalysis-oxidation reactor exit is connected with photocatalyst module outlet
Temperature controller T71.
The catalysed oxidation processes of the utility model efficient process VOCs organic exhaust gas include the following steps：Volatility will be contained
The organic exhaust gas of organic compound is used for the dust and particulate matter gone in removing exhaust gas through dry filter 1；By going in removing exhaust gas
Dust and particulate matter after organic exhaust gas after fire arrester 2 enter heat exchanger 3；Enter heater 4 after exchanging heat, works as heater
The difference DELTA T=for the temperature that the temperature and calorifier inlets temperature controller T40 that outlet temperature controller T41 is monitored monitor
T41-T40>When preset temperature (occurrence of preset temperature depends on different catalytic oxidation conditions), heater 4
Organic exhaust gas after heat exchanging is heated；The expanded section 5 of organic exhaust gas enters catalysis-oxidation reactor gas point after heating
With case 6, it is discharged subsequently into after the progress catalysis oxidation of photocatalyst module 7 through gas mixing box 8；Gas after discharge is successively through changing
Hot device 3 and smoke stack emission are into atmosphere.Wherein, the temperature that the photocatalyst module inlet temperature controller T70 is monitored is set
<400 DEG C, and set the temperature that the photocatalyst module outlet temperature controller T71 is monitored<It 600 DEG C, is monitored as T70
Temperature>The 400 DEG C or T71 temperature monitored>At 600 DEG C, opens catalyst and mend cooling system, while reducing the output of heater 4
Power, wherein the temperature monitored as heat exchanger cold-side inlet temperature controller T30>Preset temperature (the occurrence of preset temperature
Depending on different catalytic oxidation conditions) when, increase the revolving speed of air-introduced machine 10, when heat exchanger cold side outlet temperature controller
The temperature that T31 is monitored<When the temperature that calorifier inlets temperature controller T40 is monitored, calorifier inlets temperature controller
T40 controls the operation of heater 4, when the temperature that heat exchanger cold side outlet temperature controller T31 is monitored>Calorifier inlets temperature
When the temperature that controller T40 is monitored, heat exchanger cold side outlet temperature controller T31 controls the operation of heater 4.
After above-mentioned heat exchange, heating, catalysis-oxidation process, main VOCs organic pollutant obtains thoroughly organic exhaust gas
It decomposes, clean gas is discharged into atmosphere.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of catalytic oxidizing equipment of efficient process VOCs organic exhaust gas, which is characterized in that including dry filter (1), resistance
Firearm (2), heat exchanger (3), heater (4) and catalysis-oxidation reactor, wherein
The dry filter (1) is connected with the fire arrester (2), and the fire arrester (2) and the cold end of the heat exchanger (3) enter
Mouth is connected, and the cold side outlet of the heat exchanger (3) is connected with the heater (4), the heater (4) and the catalysis-oxygen
Change reactor to be connected, the catalysis-oxidation reactor is connected with the hot-side inlet of the heat exchanger (3), and the heat exchanger (3)
Hot end outlet be connected with chimney (11).
2. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 1, which is characterized in that described dry
One end of formula filter (1) is desorbed end with exhaust gas discharge end or Adsorption Concentration by air inlet motor-driven valve (V1) and is connected, and described dry
The other end of formula filter (1) is connected with the fire arrester (2)；The cold side outlet of the heat exchanger (3) and the heater (4)
Entrance be connected, and the outlet of the heater (4) is connected by expansion joint (5) with the catalysis-oxidation reactor；It is described to change
The hot end outlet of hot device (3) is connected by air-introduced machine (10) with chimney (11).
3. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 1, which is characterized in that described to urge
Change-oxidation reactor is made of gas manifold (6), photocatalyst module (7) and gas mixing box (8), the gas manifold
(6) entrance is connected by expansion joint (5) with the outlet of the heater (4), and the outlet of the gas manifold (6) passes through fast
It changes clip (12) to be connected with the entrance of the photocatalyst module (7), the outlet of the photocatalyst module (7) passes through quick change clip
(12) it is connected with the entrance of the gas mixing box (8), and the outlet of the gas mixing box (8) and the heat exchanger (3)
Hot-side inlet is connected.
4. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 3, which is characterized in that the gas
Urgent exhaust valve (EV1) and pressure controller (P1) are connected on body distributor box (6).
5. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 3, which is characterized in that described to urge
Changing device module (7), assembling is constituted side by side by least one single tube reactor (71), and the single tube reactor (71) is by catalyst list
Body (711), fire resistant seal liner (712), cylinder (713), insulating layer (714) and shell of reactor (715) are constituted, wherein described
Catalyst monomer (711) is mounted in the cylinder (713), is had between the catalyst monomer (711) and the cylinder (713)
The fire resistant seal pads (712), and fire resistant heat preserving material is filled between the cylinder (713) and the shell of reactor (715)
Expect the insulating layer (714) constituted.
6. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 5, which is characterized in that the list
Catalyst monomer (711) described in installation 1-4 block in pipe reactor (71), and the single tube reactor (71) has single tube reactor
Air inlet (72) and single tube reactor gas outlet (73), wherein the single tube reactor air inlet (72) and the gas manifold
(6) it is connected, and the single tube reactor gas outlet (73) is connected with the gas mixing box (8).
7. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 6, which is characterized in that when described
In single tube reactor (71) when catalyst monomer (711) described in installation 2-4 block, two adjacent catalyst monomers (711)
The distance between be 30-100mm.
8. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 5 or 6, which is characterized in that institute
The diameter for stating the cross section of catalyst monomer (711) is 7.5-30 inches, and the layer height of each catalyst monomer (711)
It is 3-20 inches.
9. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 1, which is characterized in that described to add
It is provided with catalyst between hot device (4) and the catalysis-oxidation reactor and mends cooling system, it is cold by mending that the catalyst mends cooling system
Air motor-driven valve (V2) and cooling blower (9) are constituted, described one end for mending cold air motor-driven valve (V2) by cooling blower (9) with
The entrance of the catalysis-oxidation reactor is connected, and the other end for mending cold air motor-driven valve (V2) is communicated with atmosphere.
10. the catalytic oxidizing equipment of efficient process VOCs organic exhaust gas according to claim 1, which is characterized in that described
Heat exchanger cold-side inlet temperature controller (T30), institute are connected between fire arrester (2) and the cold-side inlet of the heat exchanger (3)
It states and is connected at the cold side outlet of the heat exchanger (3) between the cold side outlet of heat exchanger (3) and the heater (4) entrance
Have a heat exchanger cold side outlet temperature controller (T31), the cold side outlet and the heater (4) entrance of the heat exchanger (3) it
Between be connected with calorifier inlets temperature controller (T40) close to the heater (4) inlet, heater (4) outlet and
It is connected between the catalysis-oxidation reactor entrance heater outlet temperature controller (T41), the catalysis-oxidation reaction
Device inlet is connected with photocatalyst module inlet temperature controller (T70), and the catalysis-oxidation reactor exit is connected with
Photocatalyst module outlet temperature controller (T71).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820472270.6U CN208145730U (en) | 2018-04-03 | 2018-04-03 | A kind of catalytic oxidizing equipment of efficient process VOCs organic exhaust gas |
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| CN201820472270.6U CN208145730U (en) | 2018-04-03 | 2018-04-03 | A kind of catalytic oxidizing equipment of efficient process VOCs organic exhaust gas |
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Cited By (2)
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| CN108371876A (en) * | 2018-04-03 | 2018-08-07 | 青岛华世洁环保科技有限公司 | A kind of catalytic oxidizing equipment and method of efficient process VOCs organic exhaust gas |
| CN109441596A (en) * | 2018-12-25 | 2019-03-08 | 常州新吉大矿用设备制造有限公司 | The regeneration method and system of anti-explosion diesel engine for mine exhaust particulate object capture device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108371876A (en) * | 2018-04-03 | 2018-08-07 | 青岛华世洁环保科技有限公司 | A kind of catalytic oxidizing equipment and method of efficient process VOCs organic exhaust gas |
| CN108371876B (en) * | 2018-04-03 | 2024-03-22 | 青岛华世洁环保科技有限公司 | Catalytic oxidation device and method for efficiently treating VOCs organic waste gas |
| CN109441596A (en) * | 2018-12-25 | 2019-03-08 | 常州新吉大矿用设备制造有限公司 | The regeneration method and system of anti-explosion diesel engine for mine exhaust particulate object capture device |
| CN109441596B (en) * | 2018-12-25 | 2023-09-26 | 常州新吉大矿用设备制造有限公司 | Regeneration method and system of tail gas particulate matter capturing device of mining explosion-proof diesel engine |
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