CN107344069A - A kind of organic waste gas treatment device - Google Patents

A kind of organic waste gas treatment device Download PDF

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Publication number
CN107344069A
CN107344069A CN201710171541.4A CN201710171541A CN107344069A CN 107344069 A CN107344069 A CN 107344069A CN 201710171541 A CN201710171541 A CN 201710171541A CN 107344069 A CN107344069 A CN 107344069A
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CN
China
Prior art keywords
runner
outlet
heat exchanger
import
waste gas
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Pending
Application number
CN201710171541.4A
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Chinese (zh)
Inventor
马军
宋兴刚
陈金发
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Guangzhou Horse Technology Co Ltd
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Guangzhou Horse Technology Co Ltd
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Application filed by Guangzhou Horse Technology Co Ltd filed Critical Guangzhou Horse Technology Co Ltd
Priority to CN201710171541.4A priority Critical patent/CN107344069A/en
Publication of CN107344069A publication Critical patent/CN107344069A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8678Removing components of undefined structure
    • B01D53/8687Organic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/06Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/106Silica or silicates
    • B01D2253/108Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas

Abstract

The invention discloses a kind of organic waste gas treatment device, for the exhaust-gas treatment in intaglio printing, including catalytic oxidizing equipment, runner enrichment facility, the Waste gas outlet of the inlet communication intaglio press drying tunnel of catalytic oxidizing equipment, the Waste gas outlet in the inlet communication intaglio printing workshop of runner enrichment facility, catalytic oxidizing equipment includes heat extraction mouth and the first clean gas outlet, runner enrichment facility includes molecular sieve runner and air heat exchanger, the import in the rotary wheel regeneration area of the first outlet connection molecular sieve runner of air heat exchanger, heat extraction mouth passes through stop valve and the first inlet communication of air heat exchanger, the import of the outlet catalytic oxidizing equipment in rotary wheel regeneration area, stop valve is used to open when the air themperature of heat extraction mouth is higher than predetermined value.The organic waste gas treatment device of the present invention, it is ensured that catalytic oxidizing equipment and molecular sieve runner synthetic operation, effectively improve oxidation processes efficiency, reduce the energy consumption of purified treatment.

Description

A kind of organic waste gas treatment device
Technical field
The present invention relates to technical field of waste gas treatment, in particular to a kind of organic waste gas treatment device, especially one Kind is directed to the organic waste gas treatment device for including VOCs in intaglio printing.
Background technology
Printing machine drying tunnel can discharge a number of waste gas containing volatile organic solvent (referred to as in gravure printing process: Waste gas containing VOCs, VOCs are volatile organic compounds, volatile organic matter), in addition in off-set oil ink tank Organic solvent can be also dispersed into a manner of uncontrollable discharge in workshop.
Epidemiology statistics show, in population of China cancer morbidity persistently increase continue to increase with VOCs in air have it is close Relation is cut, in addition, with VOCs secondary light chemical reaction occurs under strong illumination for nitrogen oxides (NOx) can cause ozone pollution. Recent Chinese Ministry of Environmental Protection's air quality report shows that compared with the same period of last year, the average number of days ratio up to standard in 74 cities is by 80.5% Drop to 73.1%.Ozone (O3) as " arch-criminal " of " tying down " air quality;Notorious PM2.5 (inhalable Grain thing) " being forced to " second.Thus, research eliminates new technology ten of the printing VOCs discharges with improving machine room itself air quality Divide necessity.
The conventional technical scheme of VOCs treatment is in intaglio printing:It is special by the air circulation for improving printing machine drying tunnel VOCs contents are in 3g/m in the waste gas that sign makes to discharge from printing drying tunnel3Left and right, the portion directly take catalysis oxidation or Heating power method for oxidation carries out oxidation processes, VOCs in waste gas is resolved into environment and human body harmless water and carbon dioxide.It is right Adsorption Concentration technology is usually taken in workshop air and carries out purified treatment.But in the program, at the oxidation of drying tunnel waste gas Reason is relatively independent with the purified treatment of house exhaust, and the efficiency of oxidation processes is low, and the energy requirement of purified treatment is higher.
Therefore, how to improve the VOCs treatment in gravure printing process, improve oxidation processes efficiency, reduce at purification The energy consumption of reason, turn into the technical problem of those skilled in the art's urgent need to resolve.
The content of the invention
In consideration of it, the present invention proposes a kind of organic waste gas treatment device, to improve oxidation processes efficiency, reduce at purification The energy consumption of reason.
On the one hand, a kind of organic waste gas treatment device proposed by the present invention, for the exhaust-gas treatment in intaglio printing, including Catalytic oxidizing equipment, runner enrichment facility, the waste gas discharge of the inlet communication intaglio press drying tunnel of the catalytic oxidizing equipment Mouthful, the Waste gas outlet in the inlet communication intaglio printing workshop of the runner enrichment facility, the catalytic oxidizing equipment includes row Hot mouth and the first clean gas outlet, the runner enrichment facility include molecular sieve runner and air heat exchanger, the air heat-exchange The first outlet of device connects the import in the rotary wheel regeneration area of the molecular sieve runner, and the heat extraction mouth passes through stop valve and the sky First inlet communication of gas heat exchanger, the import of catalytic oxidizing equipment described in the outlet in the rotary wheel regeneration area, described section Only valve is used to open when the air themperature of the heat extraction mouth is higher than predetermined value.
Above-mentioned organic waste gas treatment device, it is preferable that the catalytic oxidizing equipment includes cryogenic heat exchanger, high temperature exchanges heat Device, catalysis oxidation room, the import of catalytic oxidizing equipment, the low-temperature heat exchange described in the first inlet communication of the cryogenic heat exchanger The first outlet of device connects the first import of the high-temperature heat-exchanging, and the first outlet of high-temperature heat-exchanging connects the catalysis oxidation The import of room, the second import of high-temperature heat-exchanging described in the outlet of the catalysis oxidation room, the of the high-temperature heat-exchanging Second import of cryogenic heat exchanger described in two outlets, the second outlet of the cryogenic heat exchanger connect first purified gas Outlet, the heat extraction mouth are arranged between the second outlet of the high-temperature heat-exchanging and the second import of the cryogenic heat exchanger On pipeline.
Above-mentioned organic waste gas treatment device, it is preferable that the catalytic oxidizing equipment also includes the first auxiliary heater, institute The first auxiliary heater is stated to be arranged between the first outlet of the high-temperature heat-exchanging and the import of the catalysis oxidation room.
Above-mentioned organic waste gas treatment device, it is preferable that the catalytic oxidizing equipment also includes hot water heat exchanger and catalysis Oxidation unit blower fan, what hot water heat exchanger and the catalytic oxidizing equipment blower fan was successively set on the cryogenic heat exchanger second goes out Between mouth and first clean gas outlet.
Above-mentioned organic waste gas treatment device, it is preferable that the cryogenic heat exchanger is plate-fin heat exchanger, and the high temperature changes Hot device is shell-and-tube heat exchanger.
Above-mentioned organic waste gas treatment device, it is preferable that the second outlet of the high-temperature heat-exchanging and the low-temperature heat exchange The first temperature sensor device, the detected value of the first temperature sensor device are additionally provided with pipeline between second import of device For controlling being turned on and off for the stop valve.
Above-mentioned organic waste gas treatment device, it is preferable that the runner enrichment facility also includes exhaust fan and regeneration wind Machine, the second outlet of air heat exchanger described in the inlet communication of the exhaust fan, air is led in the outlet of the exhaust fan; The outlet in rotary wheel regeneration area described in the inlet communication of the regeneration blower fan, catalysis oxidation described in the outlet of the regeneration blower fan The import of device.
Above-mentioned organic waste gas treatment device, it is preferable that the runner enrichment facility also include the second auxiliary heater and Second temperature sensor device, second auxiliary heater are arranged on the first outlet of the air heat exchanger with the runner again Between the import in raw area, the second temperature sensor device is arranged on second auxiliary heater and the rotary wheel regeneration area Between import, the detected value of the second temperature sensor device is used to control being turned on and off for second auxiliary heater.
Above-mentioned organic waste gas treatment device, it is preferable that the runner enrichment facility also includes the second clean gas outlet, institute Stating molecular sieve runner also includes runner treatment region and runner cooling zone, and import and the runner of the runner enrichment facility are handled The import of area and runner cooling zone connects, the second clean gas outlet described in the outlet of the runner treatment region, described turn Take turns the second import of air heat exchanger described in the outlet of cooling zone.
Above-mentioned organic waste gas treatment device, it is preferable that the runner enrichment facility also includes aerial cooler and processing Blower fan, the aerial cooler are arranged on the import of the runner enrichment facility and the runner treatment region and runner cooling zone Between import, the processing blower fan is arranged between the outlet of the runner treatment region and second clean gas outlet.
A kind of organic waste gas treatment device proposed by the present invention, for the exhaust-gas treatment in intaglio printing, including catalysis oxygen Makeup is put, runner enrichment facility, the Waste gas outlet of the inlet communication intaglio press drying tunnel of catalytic oxidizing equipment, runner concentration Intaglio press (in intaglio printing, is generally arranged on recessed by the Waste gas outlet in the inlet communication intaglio printing workshop of device In version printing workshop), catalytic oxidizing equipment includes heat extraction mouth and the first clean gas outlet, and runner enrichment facility turns including molecular sieve Wheel and air heat exchanger, the import in the rotary wheel regeneration area of the first outlet connection molecular sieve runner of air heat exchanger, heat extraction mouth lead to The first inlet communication of stop valve and air heat exchanger is crossed, the import of the outlet catalytic oxidizing equipment in rotary wheel regeneration area, is cut Only valve is used to open when the air themperature of heat extraction mouth is higher than predetermined value.By the program, the discharge of intaglio press drying tunnel is given up Gas directly send catalytic oxidizing equipment, the VOCs in waste gas is oxidized into water and carbon dioxide, workshop uncontrollable discharge waste gas is sent Handled to molecular sieve concentration runner, the air of cleaning is obtained, simultaneously as heat extraction mouth passes through stop valve and air heat exchanger The first inlet communication, and stop valve be used for opened when the air themperature of heat extraction mouth is higher than predetermined value, therefore, can be by urging Change oxidation unit and provide energy for air heat exchanger, as molecular sieve runner provides the renewable sources of energy, is extracted from catalytic oxidizing equipment High temperature air is easy to prevent catalytic oxidizing equipment overtemperature from working, and catalytic oxidizing equipment can be avoided to be damaged because of high temperature, in addition, by In the import of the outlet catalytic oxidizing equipment in rotary wheel regeneration area, therefore, molecular sieve runner can carry to catalytic oxidizing equipment For the waste gas of the VOCs containing high concentration, the oxidation processes efficiency for aoxidizing oxidation unit is improved.So present invention can ensure that catalysis Oxidation unit and molecular sieve runner synthetic operation, can effectively improve oxidation processes efficiency, reduce the energy consumption of purified treatment.
The organic waste gas treatment device of the present invention, has the following advantages that:
The heat exchanger of catalytic oxidizing equipment is divided into two parts, under the premise of cryogenic heat exchanger heat resistance difference is overcome, Under the advantages of having given full play to cryogenic heat exchanger good heat-transfer makes the heat exchanger volume of catalytic oxidizing equipment and weight significantly Drop, realizes compact-sized, and floor space is small in light weight.
The heat extraction mouth of high temperature air can avoid catalytic oxidizing equipment from running between high-temperature heat-exchanging and cryogenic heat exchanger When the rise of catalytic oxidizing equipment temperature.
The high temperature air discharged between high-temperature heat-exchanging and cryogenic heat exchanger can be as molecular sieve concentration runner again Heat source, the operation energy consumption of the organic waste gas treatment device in workshop is set significantly to decline.
All the time uncontrollable discharge, molecular sieve runner can be that catalytic oxidizing equipment is provided for a long term containing highly concentrated in intaglio printing workshop Spend VOCs waste gas, it is ensured that catalytic oxidizing equipment normal operation in the case where being inputted in no outside resources.
Brief description of the drawings
Fig. 1 is a kind of structural representation for organic waste gas treatment device that the specific embodiment of the invention proposes;
In figure:10 catalytic oxidizing equipments;11 cryogenic heat exchangers;12 high-temperature heat-exchangings;13 catalysis oxidation rooms;14 first auxiliary Heater;15 hot water heat exchangers;16 catalytic oxidizing equipment blower fans;20 runner enrichment facilities;21 molecular sieve runners;211 runners are again Raw area;212 runner treatment regions;213 runner cooling zones;22 air heat exchangers;23 exhaust fans;24 regeneration blower fans;25 second is auxiliary Help heater;26 aerial coolers;27 processing blower fans;T1 the first temperature sensor devices;T2 second temperature sensor devices
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.
It should be noted that " first " that occurs in the present invention, " second " are only used for distinguishing different structure and part, no elder generation Point afterwards, the less restriction as structure or part in itself;Meanwhile the "and/or" in the present invention, referring to can both be provided simultaneously with, One of them can also be selected, such as option A and/or option b, including option A, option b, option A and option b this three kinds of situations.
As shown in figure 1, a kind of organic waste gas treatment device proposed by the present invention, for the exhaust-gas treatment in intaglio printing, Including catalytic oxidizing equipment 10, runner enrichment facility 20, the import a connection intaglio press drying tunnels of catalytic oxidizing equipment 10 give up Gas floss hole, the Waste gas outlet in the import b connection intaglio printings workshop of runner enrichment facility 20 is (in intaglio printing, generally Intaglio press is arranged in intaglio printing workshop), catalytic oxidizing equipment 10 includes heat extraction mouth c and the first clean gas outlet d, Runner enrichment facility 20 includes molecular sieve runner 21 and air heat exchanger 22, the first outlet connection molecular sieve of air heat exchanger 22 The import in the rotary wheel regeneration area 211 of runner 21, heat extraction mouth c by the first inlet communication of stop valve 30 and air heat exchanger 22, The import a of the outlet catalytic oxidizing equipment 10 in rotary wheel regeneration area 211, stop valve 30 are used for the air themperature in heat extraction mouth c Opened during higher than predetermined value.The catalytic oxidizing equipment 10 of the present embodiment, its object is to by catalytic oxidation by waste gas VOCs is resolved into environment and human body harmless water and carbon dioxide, specifically may be referred to technology.It is provided by the invention organic Emission-control equipment, the waste gas of intaglio press drying tunnel discharge directly send catalytic oxidizing equipment, the VOCs in waste gas are oxidized to Water and carbon dioxide, workshop uncontrollable discharge waste gas are sent to molecular sieve concentration runner and handled, and obtain the air of cleaning, together When, because heat extraction mouth c is by stop valve 30 and the first inlet communication of air heat exchanger 22, and stop valve 30 is used in heat extraction mouth C air themperature is opened when being higher than predetermined value, can be that air heat exchanger 22 provides energy by catalytic oxidizing equipment 10 therefore Amount, as molecular sieve runner 21 provide the renewable sources of energy, are easy to prevent catalysis oxidation from the extracting high-temperature air of catalytic oxidizing equipment 10 The overtemperature of device 10 works, and catalytic oxidizing equipment 10 can be avoided to be damaged because of high temperature, further, since rotary wheel regeneration area 211 goes out The import a of mouth connection catalytic oxidizing equipment 10, therefore, molecular sieve runner 21 can provide to catalytic oxidizing equipment 10 contain high concentration VOCs waste gas, improve oxidation oxidation unit 10 oxidation processes efficiency.So present invention can ensure that catalytic oxidizing equipment 10 with the synthetic operation of molecular sieve runner 21, oxidation processes efficiency can be effectively improved, reduce the energy consumption of purified treatment.
Above-mentioned organic waste gas treatment device, it is preferable that catalytic oxidizing equipment 10 includes cryogenic heat exchanger 11, high temperature exchanges heat Device 12, catalysis oxidation room 13, cryogenic heat exchanger 11 are preferably plate-fin heat exchanger, and high-temperature heat-exchanging 12 is preferably pipe shell type heat exchange Device.The import a of first inlet communication catalytic oxidizing equipment 10 of cryogenic heat exchanger 11, the first outlet connection of cryogenic heat exchanger 11 First import of high-temperature heat-exchanging 12, the import of the first outlet connection catalysis oxidation room 13 of high-temperature heat-exchanging 12, catalysis oxidation Second import of the outlet high-temperature heat-exchanging 12 of room 13, the second outlet connection cryogenic heat exchanger 11 of high-temperature heat-exchanging 12 Second import, the second outlet of cryogenic heat exchanger 11 connect the first clean gas outlet d, and heat extraction mouth c is arranged on high-temperature heat-exchanging 12 Second outlet and cryogenic heat exchanger 11 the second import between pipeline on.It is appreciated that main material in catalysis oxidation room 13 Material is catalyst, and its function is VOCs (being usually 150 DEG C~600 DEG C) in specific range of temperatures is oxidized to water and two Carbonoxide, so as to realize that catalytic oxidation treatment contains the purpose of VOCs waste gas.By setting cryogenic heat exchanger 11, high-temperature heat-exchanging 12, the temperature that exhaust-gas efficient be able to must be heated to required for catalysis oxidation room 13.The welding of plate-fin heat exchanger generally use is special Different manufacture, it includes high temperature side with low temperature side, it is necessary to which the air of heating flows from low temperature side, and hot-air flows from high temperature side, pipe Shell heat exchanger, riffled tube is added to manufacture using high-efficiency fin pipe, the maximum feature of heat exchanger tube is exactly heat exchanger tube outside weldings Fin and have screw thread in managing, high-temperature heat-exchanging 12 also comprising high temperature side with low temperature side, it is necessary to the air of heating flows from low temperature side, Hot-air flows from high temperature side.
Above-mentioned organic waste gas treatment device, it is preferable that catalytic oxidizing equipment 10 also includes the first auxiliary heater 14, the One auxiliary heater 14 is arranged between the first outlet of high-temperature heat-exchanging 12 and the import of catalysis oxidation room 13.First auxiliary adds The function of hot device 14 is exactly to utilize the fuel such as electricity, natural gas or diesel oil heating needs in organic waste gas treatment device initial start stage The air of processing, waste gas is set to be warming up to the temperature that can realize catalysis oxidation.
Above-mentioned organic waste gas treatment device, it is preferable that catalytic oxidizing equipment 10 also includes hot water heat exchanger 15 and urged Change oxidation unit blower fan 16, hot water heat exchanger 15 and catalytic oxidizing equipment blower fan 16 are successively set on the second of cryogenic heat exchanger 11 Between outlet and the first clean gas outlet d.The function of hot water heat exchanger 15 is exactly to be produced using hot water heat exchanger 15 from catalysis oxidation Raw hot-air produces 80 DEG C or so of hot water, and during 10 normal work of catalytic oxidizing equipment, the gas containing VOCs is from catalysis oxidation The import a of device 10 enters catalytic oxidizing equipment 10, first passes through the low temperature side of plate-fin heat exchanger, then passes through pipe shell type heat exchange The low temperature side of device, enter catalysis oxidation room 13 after the heating of the first auxiliary heater 14, the waste gas containing VOCs carries out catalysis oxygen Heat can be discharged during change, so, EGT can raise when waste gas passes through catalysis oxidation room 13.Waste gas leaves catalysis oxidation room 13 Afterwards, first pass through shell-and-tube heat exchanger high temperature side and pass through plate-fin heat exchanger high temperature side again, finally after hot water heat exchanger 15 by The row of catalytic oxidizing equipment blower fan 16 is to air.The function of catalytic oxidizing equipment blower fan 16 be exactly make to need the air of catalysis oxidation by Flow through from catalytic oxidizing equipment 10 according to defined order, finally arranged from the first clean gas outlet d to air.Hot water heat exchanger 15 Function be exactly using catalytic oxidizing equipment 10 discharge hot-air produce hot water, can be used for other purposes, such as heating, cleaning Deng.
Above-mentioned organic waste gas treatment device, it is preferable that the second outlet of high-temperature heat-exchanging 12 and cryogenic heat exchanger 11 The first temperature sensor device T1 is additionally provided with pipeline between second import, the first temperature sensor device T1 detected value is used for Control stop valve 30 is turned on and off.The heat exchange efficiency of cryogenic heat exchanger 10 is high, but its material and processing and manufacturing feature determine The temperature that it is resistant to is limited, as plate-fin heat exchanger heat exchange efficiency is high, but takes welding manner to produce, the temperature that can be born There is certain limitation, thus, on the pipeline between the second outlet of high-temperature heat-exchanging 12 and the second import of cryogenic heat exchanger 11 The first temperature sensor device T1 is provided with, stop valve 30 is opened when the first temperature sensor device T1 detected value is higher than preset value Open, exhaust fan (following numberings 23) starts, and is discharged to outside catalytic oxidizing equipment 10, and the hot blast of discharge is used for workshop purification to be divided The regeneration of son sieve runner, energy recycling, energy-conserving and environment-protective.
Above-mentioned organic waste gas treatment device, it is preferable that runner enrichment facility 20 also includes exhaust fan 23 and regeneration wind Machine 24, the second outlet of the inlet communication air heat exchanger 22 of exhaust fan 23, air is led in the outlet of exhaust fan 23;Regeneration The outlet in the inlet communication rotary wheel regeneration area 211 of blower fan 24, regenerate the import of the outlet catalytic oxidizing equipment 10 of blower fan 24 a。
Further, runner enrichment facility 20 also includes the second auxiliary heater 25 and second temperature sensor device T2, the Two auxiliary heaters 25 are arranged between the first outlet of air heat exchanger 22 and the import in rotary wheel regeneration area 211, second temperature Sensor device T2 is arranged between the second auxiliary heater 25 and the import in rotary wheel regeneration area 211, second temperature sensor device T2 Detected value be used to control second auxiliary heater 25 to be turned on and off.
Further, runner enrichment facility 20 also includes the second clean gas outlet e, and molecular sieve runner 21 also includes at runner Manage area 212 and runner cooling zone 213, the import b of runner enrichment facility 20 and runner treatment region 212 and runner cooling zone 213 Import connects, outlet the second clean gas outlet e of runner treatment region 212, the outlet air of runner cooling zone 213 Second import of heat exchanger 22.
Further, runner enrichment facility 20 also includes aerial cooler 26 and processing blower fan 27, aerial cooler 26 are set Put between the import b of runner enrichment facility 20 and the import of runner treatment region 212 and runner cooling zone 213, handle blower fan 27 It is arranged between the outlet of runner treatment region 212 and the second clean gas outlet e.
Above-mentioned organic waste gas treatment device, its principle are as follows:
Waste gas from workshop, the i.e. air comprising VOCs flow through molecular sieve runner 21 after the cooling of aerial cooler 26 Runner treatment region 212 after, via processing blower fan 27 send intaglio printing workshop back to.Meanwhile partly come from intaglio printing workshop Air flows through runner cooling zone 213, then obtains heat from the heat exchanger 22 of air heat-exchange after the cooling of aerial cooler 26 It is heated, then flows through after the second auxiliary heater 25 the rotary wheel regeneration area of molecular sieve runner 21 and finally sent by regeneration blower fan 24 Catalysis oxidation is carried out to catalytic oxidizing equipment 10.
The regeneration temperature of molecular sieve runner 21 needs to carry out at a certain temperature, and the regeneration air of molecular sieve runner 21 adds The heat of heat is provided by the heat exchanger 22 of air heat-exchange.It is not reaching in the heat extraction mouth c of catalytic oxidizing equipment 10 temperature predetermined Before value, the energy that the regeneration air heating of molecular sieve runner 21 needs is provided by the second auxiliary heater 25, and the second auxiliary adds Hot device 25 can be used as the energy using electricity consumption, conduction oil or high-temperature steam.Do not have in the heat extraction mouth c of catalytic oxidizing equipment 10 temperature Before reaching predetermined value, the regeneration temperature of molecular sieve runner 21 controls (second temperature sensor device by the second auxiliary heater 25 T2 detected value is used to control being turned on and off for the second auxiliary heater 25).In the heat extraction mouth c of catalytic oxidizing equipment 10 temperature After degree reaches predetermined value, the regeneration temperature of molecular sieve runner 21 is controlled by the heat exchange amount of air heat exchanger 22, and control air changes The heat exchange amount of hot device 22 can be by controlling the exhaust air rate of exhaust fan 23, and the exhaust air rate of control exhaust fan 23 can pass through adjustment Its running frequency is realized.
Waste gas of the machine room containing VOCs becomes pure air after runner treatment region 212, then by processing blower fan 27 Send workshop back to.And adsorb the VOCs on molecular sieve runner 21 and be finally sent in the desorption of rotary wheel regeneration area further through regeneration blower fan 24 Catalytic oxidizing equipment 10 carries out catalysis oxidation.Meanwhile the reactivation heat of molecular sieve runner 21 substantially fills from catalysis oxidation 10 waste heat (being provided by heat extraction mouth c) is provided.
The organic waste gas treatment device of the present invention, has the following advantages that:
(1) heat exchanger of catalytic oxidizing equipment 10 is divided into two parts, the heat resistance of cryogenic heat exchanger 11 is poor overcoming Under the premise of, the advantages of having given full play to 11 good heat-transfer of cryogenic heat exchanger make the heat exchanger volume of catalytic oxidizing equipment 10 with again Amount significantly declines, and realizes compact-sized, and floor space is small in light weight.
(2) the heat extraction mouth c of high temperature air can avoid catalysis oxidation between high-temperature heat-exchanging 12 and cryogenic heat exchanger 11 The temperature of catalytic oxidizing equipment 10 rise when device 10 is run.
(3) high temperature air discharged between high-temperature heat-exchanging 12 and cryogenic heat exchanger 11 can be used as molecular sieve concentration to turn The regeneration thermal source of wheel, makes the operation energy consumption of the organic waste gas treatment device in workshop significantly decline.
(4) uncontrollable discharge, molecular sieve runner 21 can be provided for a long term for catalytic oxidizing equipment all the time in intaglio printing workshop The waste gas of the VOCs containing high concentration, it is ensured that the normal operation in the case where no outside resources input of catalytic oxidizing equipment 10.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made, Equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (10)

  1. A kind of 1. organic waste gas treatment device, for the exhaust-gas treatment in intaglio printing, including catalytic oxidizing equipment (10), runner Enrichment facility (20), the Waste gas outlet of import (a) the connection intaglio press drying tunnel of the catalytic oxidizing equipment (10) are described The Waste gas outlet in import (b) the connection intaglio printing workshop of runner enrichment facility (20), it is characterised in that the catalysis oxidation Device (10) includes heat extraction mouth (c) and the first clean gas outlet (d), and the runner enrichment facility (20) includes molecular sieve runner (21) and air heat exchanger (22), the first outlet of the air heat exchanger (22) connect the runner of the molecular sieve runner (21) The import of renewing zone (211), the heat extraction mouth (c) are connected by the first import of stop valve (30) and the air heat exchanger (22) It is logical, the import (a) of catalytic oxidizing equipment (10) described in the outlet of the rotary wheel regeneration area (211), the stop valve (30) For being opened when the air themperature of the heat extraction mouth (c) is higher than predetermined value.
  2. 2. organic waste gas treatment device according to claim 1, it is characterised in that the catalytic oxidizing equipment (10) includes Cryogenic heat exchanger (11), high-temperature heat-exchanging (12), catalysis oxidation room (13), the first inlet communication of the cryogenic heat exchanger (11) The import (a) of the catalytic oxidizing equipment (10), the first outlet of the cryogenic heat exchanger (11) connect the high-temperature heat-exchanging (12) the first import, the first outlet of high-temperature heat-exchanging (12) connect the import of the catalysis oxidation room (13), the catalysis Second import of high-temperature heat-exchanging (12) described in the outlet of oxidizing chamber (13), the second outlet of the high-temperature heat-exchanging (12) Connect the second import of the cryogenic heat exchanger (11), second outlet connection first purification of the cryogenic heat exchanger (11) Gas exports (d), and the heat extraction mouth (c) is arranged on the second outlet and the cryogenic heat exchanger (11) of the high-temperature heat-exchanging (12) The second import between pipeline on.
  3. 3. organic waste gas treatment device according to claim 2, it is characterised in that the catalytic oxidizing equipment (10) is also wrapped The first auxiliary heater (14) is included, first auxiliary heater (14) is arranged on the first outlet of the high-temperature heat-exchanging (12) Between import with the catalysis oxidation room (13).
  4. 4. organic waste gas treatment device according to claim 3, it is characterised in that the catalytic oxidizing equipment (10) is also wrapped Include hot water heat exchanger (15) and catalytic oxidizing equipment blower fan (16), the hot water heat exchanger (15) and catalytic oxidizing equipment blower fan (16) it is successively set between the second outlet of the cryogenic heat exchanger (11) and first clean gas outlet (d).
  5. 5. organic waste gas treatment device according to claim 2, it is characterised in that the cryogenic heat exchanger (11) is plate wing Formula heat exchanger, the high-temperature heat-exchanging (12) are shell-and-tube heat exchanger.
  6. 6. organic waste gas treatment device according to claim 2, it is characterised in that the second of the high-temperature heat-exchanging (12) The first temperature sensor device (T1), institute are additionally provided with pipeline between outlet and the second import of the cryogenic heat exchanger (11) The detected value for stating the first temperature sensor device (T1) is used to control being turned on and off for the stop valve (30).
  7. 7. according to the organic waste gas treatment device described in claim any one of 1-6, it is characterised in that the runner enrichment facility (20) exhaust fan (23) and regeneration blower fan (24), air heat exchanger described in the inlet communication of the exhaust fan (23) are also included (22) air is led in second outlet, the outlet of the exhaust fan (23);Described in the inlet communication of the regeneration blower fan (24) The outlet in rotary wheel regeneration area (211), the import of catalytic oxidizing equipment (10) described in the outlet of the regeneration blower fan (24) (a)。
  8. 8. organic waste gas treatment device according to claim 7, it is characterised in that the runner enrichment facility (20) is also wrapped The second auxiliary heater (25) and second temperature sensor device (T2) are included, second auxiliary heater (25) is arranged on the sky Between the import in the first outlet of gas heat exchanger (22) and the rotary wheel regeneration area (211), the second temperature sensor device (T2) it is arranged between second auxiliary heater (25) and the import in the rotary wheel regeneration area (211), the second temperature The detected value of sensor device (T2) is used to control being turned on and off for the second auxiliary heater (25).
  9. 9. organic waste gas treatment device according to claim 8, it is characterised in that the runner enrichment facility (20) is also wrapped The second clean gas outlet (e) is included, the molecular sieve runner (21) also includes runner treatment region (212) and runner cooling zone (213), The import (b) of the runner enrichment facility (20) and the import of the runner treatment region (212) and runner cooling zone (213) connect Logical, the second clean gas outlet (e) described in the outlet of the runner treatment region (212), runner cooling zone (213) go out Mouth connects the second import of the air heat exchanger (22).
  10. 10. organic waste gas treatment device according to claim 9, it is characterised in that the runner enrichment facility (20) is also The runner enrichment facility (20) is arranged on including aerial cooler (26) and processing blower fan (27), the aerial cooler (26) Import (b) and the runner treatment region (212) and runner cooling zone (213) import between, it is described processing blower fan (27) set Put between the outlet of the runner treatment region (212) and second clean gas outlet (e).
CN201710171541.4A 2017-03-22 2017-03-22 A kind of organic waste gas treatment device Pending CN107344069A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110260344A (en) * 2019-07-16 2019-09-20 江苏安琪尔废气净化有限公司 Exhaust fume catalytic oxidation processes and heat-energy recovering apparatus at a kind of thermoprint and table
CN110917814A (en) * 2019-11-26 2020-03-27 广州金鹏环保工程有限公司 Printing industry and other trades energy saving and emission reduction exhaust treatment system who discharges VOCs waste gas

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105749695A (en) * 2016-04-22 2016-07-13 南京大学环境规划设计研究院有限公司 Low concentration, large wind volume and high odor waste gas concentration energization equipment and technology thereof
CN205760473U (en) * 2016-05-13 2016-12-07 广州市怡森环保设备有限公司 A kind of zeolite runner cleaning equipment for waste organic gas
CN207085678U (en) * 2017-03-18 2018-03-13 广州黑马科技有限公司 A kind of organic waste gas treatment device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105749695A (en) * 2016-04-22 2016-07-13 南京大学环境规划设计研究院有限公司 Low concentration, large wind volume and high odor waste gas concentration energization equipment and technology thereof
CN205760473U (en) * 2016-05-13 2016-12-07 广州市怡森环保设备有限公司 A kind of zeolite runner cleaning equipment for waste organic gas
CN207085678U (en) * 2017-03-18 2018-03-13 广州黑马科技有限公司 A kind of organic waste gas treatment device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110260344A (en) * 2019-07-16 2019-09-20 江苏安琪尔废气净化有限公司 Exhaust fume catalytic oxidation processes and heat-energy recovering apparatus at a kind of thermoprint and table
CN110917814A (en) * 2019-11-26 2020-03-27 广州金鹏环保工程有限公司 Printing industry and other trades energy saving and emission reduction exhaust treatment system who discharges VOCs waste gas

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Application publication date: 20171114