CN208302461U - A kind of intaglio printing VOCs abatement equipment - Google Patents
A kind of intaglio printing VOCs abatement equipment Download PDFInfo
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- CN208302461U CN208302461U CN201820696706.XU CN201820696706U CN208302461U CN 208302461 U CN208302461 U CN 208302461U CN 201820696706 U CN201820696706 U CN 201820696706U CN 208302461 U CN208302461 U CN 208302461U
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Abstract
The utility model discloses a kind of intaglio printing VOCs abatement equipments, including air inlet pipe, one end side of the air inlet pipe is connected with pre-filtering case, adsorption box, catalysis oxidation case and tail gas baffle-box, the pre-filtering case is internally provided with prefilter, and it is connected between pre-filtering case and adsorption box by the first communicating pipe, that states adsorption box is internally provided with adsorption stuffing, the adsorption box is connected to catalysis oxidation case, catalytic filler is provided in the catalysis oxidation case, electrical heating net is provided in the catalytic filler, the side of the catalysis oxidation case is equipped with ozone generator, it is connected between the ozone generator and catalysis oxidation case by ozone air inlet pipe, tail gas escape pipe is communicated at the top of the catalysis oxidation case.The utility model makes full use of the heat of VOCs catalysis oxidation, reduces the energy supplement in catalytic oxidation process, economizes on resources, and VOCs exhaust gas can achieve the effect that the tail gas of high purification efficiency, energy-saving safe and catalysis oxidation is without secondary pollution.
Description
Technical field
The utility model relates to VOCs Treatment process field more particularly to a kind of intaglio printing VOCs abatement equipments.
Background technique
The major product of packages printing factory is the printed matter of various plastic films, largely using colour in production
Ink and organic solvent or diluent, the solvent or diluent (solvent) of ink are mainly toluene, ethyl acetate and a small amount of butanone.These solvents are in product
Become exhaust gas (VOCs) in production process to be largely discharged, VOCs produces photochemical fog and secondary dirt under action of ultraviolet light
Object is contaminated, phenomena such as acid rain, photochemical pollution, city haze and it has direct relationship, seriously threatens ecological environment, direct shadow
Ring human health safety.Therefore, it finds efficient, reliable method and administers volatile organic waste gas, oneself becomes currently urgent and is essential
It solves the problems, such as.
A kind of VOCs governance process technology of printing industry is proposed in patent CN201710707417.5, including is walked as follows
It is rapid: gas sampling: by air-introduced machine collect ink tank air draft, the middle low concentration gas that generates of air draft and environment air draft, by drawing
Blower collects the intermediate concentration exhaust gas that baking oven air draft generates；Runner thickening-purification technology: the middle low concentration gas of collection is passed through into runner
Thickening-purification technology device is concentrated and is purified, and concentrated gas, purified gas direct emission are obtained after desorption；Solvent recovery or
Oxidation is destroyed: the intermediate concentration exhaust gas of collection and concentrated gas are subjected to purification and solvent recovery by solvent recovery unit, or
Oxidation destruction is carried out using oxidation apparatus for destroying, complex treatment process aoxidizes in Destruction, it needs to consume compared with multiple-energy-source,
And its tail gas conversion ratio for handling VOCs is not high, vent gas treatment is incomplete, is commonly present secondary pollution, we design one kind thus
Intaglio printing VOCs Processing tecchnics and its equipment, to solve the above problems.
Utility model content
Purpose of the utility model is to solve the higher and vent gas treatments of energy consumption existing in the prior art not exclusively to deposit
The secondary pollution the shortcomings that, and a kind of intaglio printing VOCs abatement equipment proposed.
To achieve the goals above, the utility model adopts the technical scheme that
One end side of a kind of intaglio printing VOCs abatement equipment, including air inlet pipe, the air inlet pipe is connected with pre-filtering
Case, adsorption box, catalysis oxidation case and tail gas baffle-box, the pre-filtering case are internally provided with prefilter, and pre-filtering case
It is connected between adsorption box by the first communicating pipe, the adsorption box is internally provided with adsorption stuffing, and the adsorption box passes through
Second communicating pipe was connected to catalysis oxidation case, and the catalysis oxidation case is internally provided with catalytic filler, the catalytic filler
It is internally provided with electrical heating net, the side of the catalysis oxidation case is provided with ozone generator, the ozone generator and catalysis
It is connected between oxidation case by ozone air inlet pipe, tail gas escape pipe, and catalysis oxidation is communicated at the top of the catalysis oxidation case
Case is connected to by tail gas escape pipe with tail gas baffle-box, and the tail gas baffle-box is internally provided with exhaust gas filter, and tail gas
Be communicated with desorption inlet pipe on baffle-box, the tail gas baffle-box is connected to by desorption inlet pipe with adsorption box, it is described be desorbed into
It is communicated with cooling air inlet pipe on tracheae, and is provided with gas temperature buffer in desorption inlet pipe, is offered on the adsorption box
Gas outlet, and side of the adsorption stuffing far from the first communicating pipe is arranged in gas outlet.
Preferably, the mounting structure of the prefilter inside the pre-filtering case and the tail gas filtering inside tail gas baffle-box
The mounting structure of device is identical, is provided with opening at the top of the pre-filtering case and tail gas baffle-box, and opening is provided with case
Lid.
Preferably, one end of the case lid and the open at one end of tail gas baffle-box are side walls hinged, and the case lid is far from hinged
One end be provided with two groups of fixed plates, and fixed plate is fixed case lid by screw, is respectively provided on four groups of side walls of the case lid
There is sealing strip.
Preferably, the inside with pre-filtering case and tail gas baffle-box is to be provided with two groups of mounting plates, described in two groups
Mounting plate is symmetrical arranged the two sides of opening, and two groups of round holes are offered on mounting plate, is provided with connecting rod in round hole, described
Mounting plate is connected with fixed frame by connecting rod, and the pre-filtering case and tail gas baffle-box pass through fixed frame respectively will be with pre-filtering
Device is fixed with exhaust gas filter.
Preferably, the fixed frame is made of two and half frames, the normal c-type structure of half frame described in two groups, and c-opening phase
Right, the c-opening both ends of half frame described in two groups are respectively connected with latch, and are connected between latch by lock-screw.
A kind of intaglio printing VOCs Processing tecchnics, include the following steps:
S1: tail gas pretreatment and absorption: discarded will be passed through in Rose Box and adsorption box, by with absorber and adsorption stuffing
Pre-filtering and absorption are carried out, the clean gas after absorption between gas outlet by being discharged；
S2: the adsorption stuffing of VOCs tail gas desorption: has been adsorbed after desorption inlet pipe is passed through 70~100 DEG C of catalysis oxidations
After tail gas, VOCs is detached from from adsorption stuffing；
S3: end gas catalytic oxidation: the concentrated gas after desorption is passed through in catalysis oxidation case, through the catalysis in catalysis oxidation case
The temperature of agent filler catalysis oxidation, the electrical heating net in catalysis oxidation case is increased between 120~200 DEG C；
S4: tail gas waste heat recycling: by the tail gas after catalysis oxidation after the filtering of tail gas baffle-box, pass through desorption inlet pipe tune
By the way that adsorption stuffing is desorbed in air-suction trunk after temperature, and tail gas temperature adjustment is between 70~100 DEG C.
Preferably, the adsorption stuffing in step S1 in adsorption box is Alveolate activated carbon.
Preferably, catalytic filler is to urge using ceramic honey comb as the precious metal palladium of carrier is compound in catalysis oxidation case in step S3
Agent.
Compared with prior art, the utility model has the beneficial effects that
1, in the utility model, by tail gas baffle-box by after the exhaust collection of VOCs catalysis oxidation, and by be desorbed into
Tracheae is passed through in adsorption box, and adsorption stuffing is desorbed, and makes full use of the heat of VOCs catalysis oxidation, reduces catalysis oxidation mistake
Energy supplement in journey, economizes on resources.
2, in the utility model, VOCs is catalytically oxidized to by CO by ozone and catalytic filler2With H2It is organic in O, VOCs
Gas conversions are higher, and the tail gas that VOCs exhaust gas can reach high purification efficiency, energy-saving safe and catalysis oxidation is without secondary pollution
Effect.
3, in the utility model, prefilter in pre-filtering case and the exhaust gas filter in tail gas baffle-box installation with
When replacement, prefilter passes through fixed frame with exhaust gas filter respectively fixes prefilter and tail gas baffle-box, pre-filtering
The installation and removal of device and exhaust gas filter are convenient, make easy to change, the effective raising of prefilter and exhaust gas filter
The pre-filtering of VOCs and the filter efficiency of catalysis oxidation tail gas.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of intaglio printing VOCs abatement equipment structural schematic diagram；
Fig. 2 is enlarged drawing at the A in Fig. 1；
Fig. 3 be the utility model proposes a kind of intaglio printing VOCs abatement equipment in fixed frame structural schematic diagram；
Fig. 4 be the utility model proposes a kind of intaglio printing VOCs abatement equipment in tail gas buffer box structure overlook
Figure.
In figure: 1 air inlet pipe, 2 pre-filtering casees, 3 prefilters, 4 first communicating pipes, 5 adsorption boxes, 6 adsorption stuffings, 7 second
Communicating pipe, 8 catalysis oxidation casees, 9 catalytic fillers, 10 electrical heating nets, 11 ozone generators, 12 ozone air inlet pipe, 13 tail gas buffering
Case, 131 case lids, 132 fixed plates, 133 sealing strips, 134 mounting plates, 135 connecting rods, 136 fixed frames, 1,361 half frames, 1362 locks
Tight plate, 1363 lock-screws, 14 exhaust gas filters, 15 desorption inlet pipes, 16 cooling air inlet pipe, 17 gas flow temperature buffers, 18
Gas outlet, 19 tail gas escape pipes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of intaglio printing VOCs abatement equipment, including air inlet pipe 1, one end side connection of air inlet pipe 1
There are pre-filtering case 2, adsorption box 5, catalysis oxidation case 8 and tail gas baffle-box 13, pre-filtering case 2 is internally provided with prefilter 3,
And by being connected to the first communicating pipe 4 between pre-filtering case 2 and adsorption box 5, adsorption box 5 is internally provided with adsorption stuffing 6, absorption
For case 5 by being connected to catalysis oxidation case 8 the second communicating pipe 7, catalysis oxidation case 8 is internally provided with catalytic filler 9, catalytic filler
9 are internally provided with electrical heating net 10, and the side of catalysis oxidation case 8 is provided with ozone generator 11, ozone generator 11 with urge
Change and be connected between oxidation case 8 by ozone air inlet pipe 12, the top of catalysis oxidation case 8 is communicated with tail gas escape pipe 19, and is catalyzed
Oxidation case 8 is connected to by tail gas escape pipe 19 with tail gas baffle-box 13, and tail gas baffle-box 13 is internally provided with exhaust gas filter
14, the mounting structure of the prefilter 3 inside pre-filtering case 2 and the installation knot of the exhaust gas filter 14 inside tail gas baffle-box 13
Structure is identical, and the top of pre-filtering case 2 and tail gas baffle-box 13 is provided with opening, and opening is provided with case lid 131, case lid
131 one end and the open at one end of tail gas baffle-box 13 are side walls hinged, and case lid 131 is provided with two groups far from hinged one end and fixes
Plate 132, and fixed plate 132 is fixed by case lid 131 by screw, is provided with sealing strip 133 on four groups of side walls of case lid 131,
Inside with pre-filtering case 2 and tail gas baffle-box 13 is to be provided with two groups of mounting plates 134, and two groups of mounting plates 134 are symmetrical arranged
The two sides of opening, and two groups of round holes are offered on mounting plate 134, connecting rod 135 is provided in round hole, mounting plate 134 is logical
It crosses connecting rod 135 and is connected with fixed frame 136, pre-filtering case 2 and tail gas baffle-box 13 respectively will be with pre-filterings by fixed frame 136
Device 3 and exhaust gas filter 14 are fixed, and fixed frame 136 is made of two and half frames 1361, the normal c-type structure of two and half frames 1361, and C
Type opening is opposite, and the c-opening both ends of two and half frames 1361 are respectively connected with latch 1362, and pass through lock between latch 1362
Tight screw 1363 connects, and desorption inlet pipe 15 is communicated on tail gas baffle-box 13, and tail gas baffle-box 13 passes through desorption inlet pipe
15 are connected to adsorption box 5, cooling air inlet pipe 16 are communicated in desorption inlet pipe 15, and be provided with gas temperature in desorption inlet pipe 15
Buffer 17 is spent, offers gas outlet 18 on adsorption box 5, and adsorption stuffing 6 is arranged in far from the first communicating pipe 4 in gas outlet 18
Side.
A kind of intaglio printing VOCs Processing tecchnics, include the following steps:
S1: tail gas pretreatment and absorption: discarded will be passed through in Rose Box and adsorption box, by with absorber and adsorption stuffing
Pre-filtering and absorption are carried out, the clean gas after absorption between gas outlet by being discharged；
S2: the adsorption stuffing of VOCs tail gas desorption: has been adsorbed after desorption inlet pipe is passed through 70~100 DEG C of catalysis oxidations
After tail gas, VOCs is detached from from adsorption stuffing；
S3: end gas catalytic oxidation: the concentrated gas after desorption is passed through in catalysis oxidation case, through the catalysis in catalysis oxidation case
The temperature of agent filler catalysis oxidation, the electrical heating net in catalysis oxidation case is increased between 120~200 DEG C；
S4: tail gas waste heat recycling: by the tail gas after catalysis oxidation after the filtering of tail gas baffle-box, pass through desorption inlet pipe tune
By the way that adsorption stuffing is desorbed in air-suction trunk after temperature, and tail gas temperature adjustment is between 70~100 DEG C, in step S1 in adsorption box
Adsorption stuffing be Alveolate activated carbon, catalytic filler is using ceramic honey comb as your gold of carrier in catalysis oxidation case in step S3
Belong to palladium composite catalyst.
Embodiment 1:VOCs tail gas leads to air inlet pipe 1 and is passed through in pre-filtering case 2, is carried out VOCs tail gas by prefilter 3
Pre-filtering processing, and filtered VOCs tail gas passes through the absorption in adsorption box 5 by being passed through in adsorption box 5 the first communicating pipe 4
VOCs tail gas is adsorbed clean gas and is discharged by gas outlet 18 by filler 6 (Alveolate activated carbon), and adsorption stuffing 6 adsorbs
After saturation, the high-temperature tail gas after catalysis oxidation of being divulged information by desorption inlet pipe 15 is passed through in adsorption box 5, makes VOCs tail gas from absorption
It is desorbed on filler 6, and the VOCs tail gas after desorption is urging VOCs tail gas by being passed through in catalysis oxidation case 8 the second communicating pipe 7
Change generation catalysis oxidation in oxidation case 8 and is converted to CO2With H2O, and the high-temperature tail gas after catalysis oxidation is logical by tail gas escape pipe 19
Enter in tail gas baffle-box 13, and by desorption inlet pipe 15, is passed through high-temperature tail gas in adsorption box 3 and is desorbed, in desorption
In most of the time, the operation of catalytic combustion device does not have to supplement energy, and most of thermal current of its discharge is used in
On desorption and regeneration in adsorption box 5, and then the heat relatively adequately generated using VOCs end gas catalytic oxidation.
Embodiment 2:VOCs tail gas is passed through in catalysis oxidation case 8, generates ozone by ozone generator 11, and pass through ozone
Air inlet pipe 12 is by giving VOCs tail gas heating by electrical heating net 10, and pass through ozone, catalytic filler 9 in catalysis oxidation case 8
(using ceramic honey comb as the precious metal palladium composite catalyst of carrier) is by VOCs end gas catalytic oxidation at CO2With H2In O, VOCs tail gas
Organic gas conversion ratio it is higher, VOCs exhaust gas can reach the tail gas of purification efficiency high, energy-saving safe and catalysis oxidation without secondary
The effect of pollution.
Embodiment 3: prefilter 3 in pre-filtering case 2 and the exhaust gas filter 14 in tail gas baffle-box 13 installation with
When replacement, prefilter 3 is respectively consolidated prefilter 3 and tail gas baffle-box 13 by fixed frame 136 with exhaust gas filter 14
It is fixed, it is specifically by lock-screw 1363 that latch 1362 is fixed, and then two and half frames 1361 is made to hold prefilter 3 and tail tightly
Air filter 14, and during two and half frames 1361 holding, it is slided on mounting plate 134 by connecting rod 135, makes two and half frames
1361 mobile and fix stablies, and then make the fix stably of prefilter 3 Yu exhaust gas filter 14, and prefilter 3 and tail gas
The installation and removal of filter 14 are convenient, and then make the easy to change of prefilter 3 and exhaust gas filter 14.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of intaglio printing VOCs abatement equipment, including air inlet pipe (1), which is characterized in that one end one of the air inlet pipe (1)
Side is connected with pre-filtering case (2), adsorption box (5), catalysis oxidation case (8) and tail gas baffle-box (13), the pre-filtering case (2)
It is internally provided with prefilter (3), and is connected between pre-filtering case (2) and adsorption box (5) by the first communicating pipe (4), it is described
Adsorption box (5) is internally provided with adsorption stuffing (6), and the adsorption box (5) passes through the second communicating pipe (7) and catalysis oxidation case
(8) it is connected to, the catalysis oxidation case (8) is internally provided with catalytic filler (9), and catalytic filler (9) are internally provided with
The side of electrical heating net (10), the catalysis oxidation case (8) is provided with ozone generator (11), the ozone generator (11) with
It is connected between catalysis oxidation case (8) by ozone air inlet pipe (12), is communicated with tail gas outlet at the top of the catalysis oxidation case (8)
It manages (19), and catalysis oxidation case (8) is connected to by tail gas escape pipe (19) with tail gas baffle-box (13), the tail gas baffle-box
(13) be internally provided with exhaust gas filter (14), and desorption inlet pipe (15), the tail are communicated on tail gas baffle-box (13)
Gas baffle-box (13) is connected to by desorption inlet pipe (15) with adsorption box (5), is communicated with cooling on the desorption inlet pipe (15)
Air inlet pipe (16), and gas temperature buffer (17) are provided in desorption inlet pipe (15), it is offered out on the adsorption box (5)
Port (18), and gas outlet (18) setting is in the side of adsorption stuffing (6) far from the first communicating pipe (4).
2. a kind of intaglio printing VOCs abatement equipment according to claim 1, which is characterized in that the pre-filtering case (2)
The mounting structure phase of the mounting structure of internal prefilter (3) exhaust gas filter (14) internal with tail gas baffle-box (13)
Together, it is provided with opening at the top of the pre-filtering case (2) and tail gas baffle-box (13), and opening is provided with case lid (131).
3. a kind of intaglio printing VOCs abatement equipment according to claim 2, which is characterized in that the case lid (131)
The open at one end of one end and tail gas baffle-box (13) is side walls hinged, and the case lid (131) is provided with two groups far from hinged one end
Fixed plate (132), and fixed plate (132) is fixed by case lid (131) by screw, on four groups of side walls of the case lid (131)
It is provided with sealing strip (133).
4. a kind of intaglio printing VOCs abatement equipment according to claim 2, which is characterized in that described and pre-filtering case
It (2) is to be provided with two groups of mounting plates (134) with the inside of tail gas baffle-box (13), mounting plate described in two groups (134) is symmetrically set
The two sides of opening are set, and offer two groups of round holes on mounting plate (134), connecting rod (135), the peace are provided in round hole
Loading board (134) is connected with fixed frame (136) by connecting rod (135), and the pre-filtering case (2) and tail gas baffle-box (13) are respectively
It will be fixed with prefilter (3) and exhaust gas filter (14) by fixed frame (136).
5. a kind of intaglio printing VOCs abatement equipment according to claim 4, which is characterized in that the fixed frame (136)
It is made of two and half frames (1361), the normal c-type structure of half frame (1361) described in two groups, and c-opening is opposite, half frame described in two groups
(1361) c-opening both ends are respectively connected with latch (1362), and pass through lock-screw (1363) between latch (1362)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820696706.XU CN208302461U (en) | 2018-05-11 | 2018-05-11 | A kind of intaglio printing VOCs abatement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820696706.XU CN208302461U (en) | 2018-05-11 | 2018-05-11 | A kind of intaglio printing VOCs abatement equipment |
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| Publication Number | Publication Date |
|---|---|
| CN208302461U true CN208302461U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820696706.XU Active CN208302461U (en) | 2018-05-11 | 2018-05-11 | A kind of intaglio printing VOCs abatement equipment |
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| CN (1) | CN208302461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392938A (en) * | 2018-05-11 | 2018-08-14 | 宁波飞虹文化用品有限公司 | A kind of intaglio printing VOCs Processing tecchnics and its equipment |
| CN112978992A (en) * | 2021-02-25 | 2021-06-18 | 中国地质科学院水文地质环境地质研究所 | High concentration organic matter pollutes groundwater and takes out processing system |
-
2018
- 2018-05-11 CN CN201820696706.XU patent/CN208302461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392938A (en) * | 2018-05-11 | 2018-08-14 | 宁波飞虹文化用品有限公司 | A kind of intaglio printing VOCs Processing tecchnics and its equipment |
| CN112978992A (en) * | 2021-02-25 | 2021-06-18 | 中国地质科学院水文地质环境地质研究所 | High concentration organic matter pollutes groundwater and takes out processing system |
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