CN210385287U - Papermaking drying tail gas cyclic utilization device - Google Patents
Papermaking drying tail gas cyclic utilization device Download PDFInfo
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- CN210385287U CN210385287U CN201920900790.7U CN201920900790U CN210385287U CN 210385287 U CN210385287 U CN 210385287U CN 201920900790 U CN201920900790 U CN 201920900790U CN 210385287 U CN210385287 U CN 210385287U
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- treatment box
- tail gas
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- 238000001035 drying Methods 0.000 title claims abstract description 19
- 125000004122 cyclic group Chemical group 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000002184 metal Substances 0.000 claims abstract description 72
- 229910052751 metal Inorganic materials 0.000 claims abstract description 72
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 12
- ARUVKPQLZAKDPS-UHFFFAOYSA-L Copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- 235000020188 drinking water Nutrition 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 50
- 238000004140 cleaning Methods 0.000 description 19
- 238000005507 spraying Methods 0.000 description 13
- 230000035943 smell Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- VNWKTOKETHGBQD-AKLPVKDBSA-N carbane Chemical class [15CH4] VNWKTOKETHGBQD-AKLPVKDBSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000001066 destructive Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The utility model relates to a dry tail gas cyclic utilization device of papermaking, including setting up the gas collecting channel in paper machine drying portion top, one side of gas collecting channel is equipped with first processing case, the gas collecting channel passes through the blast pipe and is connected with first processing case lower part lateral wall, be equipped with the aspiration pump on the blast pipe, first processing incasement portion is parallel to each other the interval from top to bottom and is equipped with first metal filter plate and second metal filter plate, first processing case upper portion is connected with the second through communicating pipe and handles the case, second processing incasement portion is equipped with treatment chamber and lower treatment chamber respectively, it is equipped with the baffle to go up between treatment chamber and the lower treatment chamber, be equipped with the through-hole on the baffle, it is equipped with water absorption layer and adsorbed layer to go up the inside mutual parallel interval from top to bottom of treatment chamber, the inside coil pipe heat transfer that is equipped with of lower treatment chamber, both ends are connected with into cold. The utility model provides a high and the effectual papermaking drying tail gas cyclic utilization device of tail gas treatment of resource utilization.
Description
Technical Field
The utility model relates to a papermaking drying tail gas cyclic utilization device.
Background
With the increasingly strict requirements of China on the emission of industrial waste gas, the original waste gas treatment devices of a large number of enterprises need to be upgraded and modified. Paper machine production paper in-process, can dry to the paper in the drying portion of paper machine, can produce the higher tail gas of a large amount of temperatures among the drying process of drying, be rich in a large amount of aqueous vapor and partial foul smell particulate matter in this part tail gas, the foul smell tail gas direct emission of the high aqueous vapor of high heat of most enterprises at present, lead to bringing destructive influence to the peripheral environment of enterprise, and simultaneously, the utilization ratio to tail gas is low, great improvement the manufacturing cost of enterprise, the utilization ratio of resource has been reduced, be not conform to the green development and view of the relevant energy saving and emission reduction of country.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a dry tail gas cyclic utilization device of papermaking that resource utilization is high, the tail gas treatment is effectual and be convenient for wash.
The technical scheme of the utility model is realized like this: the utility model provides a dry tail gas cyclic utilization device of papermaking, is including setting up gas collecting channel (1) in paper machine drying portion top, its characterized in that: one side of the gas collecting hood (1) is provided with a first treatment box (2), the gas collecting hood (1) is connected with the side wall of the lower part of the first treatment box (2) through a gas feed pipe (3), the gas feed pipe (3) is provided with an air suction pump (4), a first metal filter plate (5) and a second metal filter plate (6) are arranged in the first treatment box (2) in an up-and-down parallel manner at intervals, the aperture of a filter hole on the first metal filter plate (5) is smaller than that of a filter hole on the second metal filter plate (6), a communicating pipe (7) is arranged on the side wall of the upper part of the first treatment box (2) and above the first metal filter plate (5), one end of the communicating pipe (7) far away from the first treatment box (2) is connected with a second treatment box (8), an upper treatment chamber (9) and a lower treatment chamber (10) are respectively arranged in the second treatment box (8), the water-absorbing and heat-exchanging device is characterized in that the communicating pipe (7) is communicated with the top of the upper treatment chamber (9), a partition plate (11) is arranged between the upper treatment chamber (9) and the lower treatment chamber (10), a through hole (12) for communicating the upper treatment chamber (9) with the lower treatment chamber (10) is formed in the partition plate (11), a water absorbing layer and an adsorption layer are arranged in the upper treatment chamber (9) and the lower treatment chamber in parallel at intervals, the water absorbing layer comprises two upper metal filter screens (101) and water absorbing anhydrous copper sulfate (13) filled between the two upper metal filter screens (101), the adsorption layer comprises two lower metal filter screens (102) and adsorption activated carbon (15) filled between the two lower metal filter screens (102), a heat-exchanging coil (16) is arranged in the lower treatment chamber (10), and the upper end and the lower end of the heat-exchanging coil (16) are respectively connected with a cold water inlet pipe (17) and a water guide, the outer wall of the lower portion of the second treatment box (8) is connected with a delivery pipe (19) communicated with the bottom of the lower treatment chamber (10), and one end, far away from the second treatment box (8), of the delivery pipe (19) is connected with an exhaust chimney (20).
By adopting the technical scheme, tail gas generated in the drying process of a paper machine is fed into a first treatment box (2) through an air feed pipe (3) under the work of an air suction pump (4), a first metal filter plate (5) and a second metal filter plate (6) are arranged in parallel at intervals up and down in the first treatment box (2), the aperture of a filter hole on the first metal filter plate (5) is smaller than that of a filter hole on the second metal filter plate (6), the tail gas is filtered by sequentially passing through the first metal filter plate (5) and the second metal filter plate (6) from bottom to top in the first treatment box (2), then is fed into a second treatment box (8) through a communicating pipe (7) connected with the side wall of the upper part of the first treatment box (2), an upper treatment chamber (9) and a lower treatment chamber (10) are respectively arranged in the second treatment box (8), and the communicating pipe (7) is communicated with the top of the upper treatment chamber (9), a partition plate (11) is arranged between the upper treatment chamber (9) and the lower treatment chamber (10), through holes (12) for communicating the upper treatment chamber (9) and the lower treatment chamber (10) are arranged on the partition plate (11), a water absorbing layer and an adsorption layer are arranged in the upper treatment chamber (9) and the lower treatment chamber at intervals in parallel, the water absorbing layer comprises two upper metal filter screens (101) and water absorbing anhydrous copper sulfate (13) filled between the two upper metal filter screens (101), the adsorption layer comprises two lower metal filter screens (102) and adsorption activated carbon (15) filled between the two lower metal filter screens (102), and the primarily filtered tail gas enters the lower treatment chamber (10) from top to bottom through the through holes (12) arranged on the partition plate (11) after being sequentially adsorbed and filtered by the water absorbing anhydrous copper sulfate (13) and the adsorption activated carbon (15) in the water absorbing layer, the lower treatment chamber (10) is internally provided with a heat exchange coil (16), the upper end and the lower end of the heat exchange coil (16) are respectively connected with a cold water inlet pipe (17) and a water guide pipe (18), cooling water is introduced into the heat exchange coil (16) from the cold water inlet pipe (17), the heat exchange is fully carried out on the tail gas through a coil structure of the heat exchange coil (16), the cooling water is led out from the water guide pipe (18) and is used for producing papermaking equipment, the waste heat in the tail gas is fully utilized, meanwhile, the subsidiary heat of the tail gas is reduced, the tail gas is sequentially filtered in a layered mode through a second metal filter plate (6) and a first metal filter plate (5), the tail gas is finally cooled through the heat exchange of the heat exchange coil (16) after the water absorption and the adsorption of a water absorption layer and an adsorption layer, odor particles, moisture and a large amount of heat which are mixed in the tail gas are sequentially removed, the treated tail gas is introduced into an exhaust chimney (20) from a discharge pipe (19) arranged on the outer The pollution to the surrounding environment has been avoided, the utilization ratio to tail gas has been improved simultaneously, the utility model provides a high and the effectual papermaking drying tail gas cyclic utilization device of tail gas treatment of resource utilization.
The utility model discloses further set up to: the top is provided with in first processing case (2) and sprays the washing subassembly, it includes along horizontal water pipe (21) that sets up top in first processing case (2) to spray the washing subassembly, be provided with a plurality of shower heads (22) that spray end down along length direction interval each other on the lateral wall under water pipe (21), first processing case (2) outer one side is provided with water tank (23), water tank (23) top is provided with suction pump (24), the end of drawing water of suction pump (24) extends to water tank (23) interior bottom through drinking-water pipe (25), the end of sending water of suction pump (24) is through sending water pipe (26) and water pipe (21) intercommunication.
By adopting the technical scheme, in order to facilitate the cleaning of the second metal filter plate (6) and the first metal filter plate (5) in the first treatment box (2), thereby preventing the blockage of the second metal filter plate (6) and the first metal filter plate (5) after long-time use, simultaneously ensuring the filtering effect of the cleaned second metal filter plate (6) and the cleaned first metal filter plate (5) on tail gas, the top in the first treatment box (2) is provided with the spray cleaning component, the spray cleaning component comprises a water pipe (21) which is transversely arranged at the top in the first treatment box (2), a plurality of spray heads (22) with downward spray ends are arranged on the lower side wall of the water pipe (21) at intervals along the length direction, a water tank (23) is arranged at one side outside the first treatment box (2), a water suction pump (24) is arranged at the top of the water tank (23), when the metal filter plate cleaning machine is used for cleaning, the air suction pump (4) is closed, the water suction pump (24) is opened, water in the water tank (23) is sucked through the water suction pipe (25) connected with the water suction end of the water suction pump (24) in the working state, the water is sent into the water pipe (21) through the water sending pipe (26) connected with the water sending end of the water suction pump, and the second metal filter plate (6) and the first metal filter plate (5) are uniformly sprayed downwards through a plurality of spraying heads (22) with downward spraying ends so as to remove odor particles attached to the second metal filter plate (6) and the first metal filter plate (5).
The utility model discloses further set up to: the bottom of the first treatment box (2) is provided with a water outlet pipe (27), and the water outlet pipe (27) is provided with a water outlet control valve (28).
Through adopting above-mentioned technical scheme, in order to facilitate spraying abluent foul smell granule and control the discharge to first processing case (2) inside, be provided with outlet pipe (27) bottom first processing case (2), be provided with on outlet pipe (27) water control valve (28), spraying abluent in-process, open water control valve (28) of setting on outlet pipe (27), behind discharge water and foul smell granule, suction pump (24) are closed, and water control valve (28) are gone up in the closing, suction pump (4) are opened normal work and are carried out the extraction processing to tail gas.
The utility model discloses further set up to: and an air supply switch valve (29) is arranged at the connecting end of the air supply pipe (3) and the first treatment box (2).
By adopting the technical scheme, in order to avoid that the air supply pipe (3) is polluted by the mixed stink particles of the sprayed water entering the air supply pipe (3) when the first treatment box (2) is cleaned by spraying, the air supply switch valve (29) is arranged at the connecting end of the air supply pipe (3) and the first treatment box (2), when the first treatment box (2) is cleaned by spraying, the air supply switch valve (29) is in a closed state, and after the cleaning is finished, the air supply switch valve (29) is opened again.
The utility model discloses further set up to: and a communication switch valve (30) is arranged at the connecting end of the communication pipe (7) and the first treatment box (2).
Through adopting above-mentioned technical scheme, in order to avoid when first processing case (2) inside sprays the washing, the water that sprays enters into communicating pipe (7), and enter into second along communicating pipe (7) and handle case (8), the layer that absorbs water in case (8) is handled to the second causes the loss, be provided with intercommunication ooff valve (30) at the link of communicating pipe (7) and first processing case (2), when spraying and washing first processing case (2), intercommunication ooff valve (30) are in the closed condition, after accomplishing the washing, intercommunication ooff valve (30) are reopened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figure 1, the utility model discloses a papermaking drying tail gas recycling device, which comprises a gas collecting hood 1 arranged above a drying part of a papermaking machine, wherein in the embodiment of the utility model, one side of the gas collecting hood 1 is provided with a first processing box 2, the gas collecting hood 1 is connected with the lower side wall of the first processing box 2 through a gas feed pipe 3, the gas feed pipe 3 is provided with an air suction pump 4, a first metal filter plate 5 and a second metal filter plate 6 are arranged in the first processing box 2 in parallel and at intervals from top to bottom, the aperture of a filter hole on the first metal filter plate 5 is smaller than that on the second metal filter plate 6, a communicating pipe 7 is arranged on the upper side wall of the first processing box 2 and above the first metal filter plate 5, one end of the communicating pipe 7 far away from the first processing box 2 is connected with a second processing box 8, an upper processing chamber 9 and a lower processing chamber 10 are respectively arranged in the second processing box 8, the communicating pipe 7 is communicated with the top of the upper processing chamber 9, a partition plate 11 is arranged between the upper processing chamber 9 and the lower processing chamber 10, the partition plate 11 is provided with a through-hole 12 for communicating the upper and lower process chambers 9 and 10, a water absorbing layer and an absorbing layer are arranged in the upper treatment chamber 9 in parallel at intervals up and down, the water absorbing layer comprises two upper metal filter screens 101 and water absorbing anhydrous copper sulfate 13 filled between the two upper metal filter screens 101, the adsorption layer comprises two lower metal screens 102 and adsorption activated carbon 15 filled between the two lower metal screens 102, a heat exchange coil 16 is arranged in the lower treatment chamber 10, the upper end and the lower end of the heat exchange coil 16 are respectively connected with a cold water inlet pipe 17 and a water guide pipe 18, the outer wall of the lower part of the second treatment box 8 is connected with a delivery pipe 19 communicated with the bottom of the lower treatment chamber 10, and one end, far away from the second treatment box 8, of the delivery pipe 19 is connected with an exhaust chimney 20.
By adopting the technical scheme, tail gas generated in the drying process of a paper machine is fed into a first treatment box 2 through an air feed pipe 3 under the work of an air suction pump 4, a first metal filter plate 5 and a second metal filter plate 6 are arranged in parallel at intervals up and down in the first treatment box 2, the aperture of a filter hole on the first metal filter plate 5 is smaller than that of a filter hole on the second metal filter plate 6, the tail gas is filtered by sequentially passing through the first metal filter plate 5 and the second metal filter plate 6 from bottom to top in the first treatment box 2 and then is fed into a second treatment box 8 through a communicating pipe 7 connected with the side wall of the upper part of the first treatment box 2, an upper treatment chamber 9 and a lower treatment chamber 10 are respectively arranged in the second treatment box 8, the communicating pipe 7 is communicated with the top of the upper treatment chamber 9, a partition plate 11 is arranged between the upper treatment chamber 9 and the lower treatment chamber 10, a through hole 12 for communicating the upper treatment chamber 9 and the lower treatment chamber 10 is arranged on the partition plate, the upper treatment chamber 9 is internally provided with a water absorption layer and an adsorption layer at intervals in parallel up and down, the water absorption layer comprises two upper metal filter screens 101 and water absorption anhydrous copper sulfate 13 filled between the two upper metal filter screens 101, the adsorption layer comprises two lower metal filter screens 102 and adsorption activated carbon 15 filled between the two lower metal filter screens 102, tail gas after primary filtration sequentially passes through the water absorption anhydrous copper sulfate 13 and the adsorption activated carbon 15 in the water absorption layer for adsorption and filtration and then enters the lower treatment chamber 10 from top to bottom through holes 12 formed in a partition plate 11, the lower treatment chamber 10 is internally provided with a heat exchange coil 16, the upper end and the lower end of the heat exchange coil 16 are respectively connected with a cold water inlet pipe 17 and a water guide pipe 18, cooling water is introduced into the heat exchange coil 16 from the cold water inlet pipe 17 and fully exchanges heat with the tail gas through a coil structure of the heat exchange coil 16, derive from aqueduct 18, a production for papermaking equipment, make full use of the waste heat in the tail gas, the subsidiary heat of tail gas has been reduced simultaneously, after the layer-stepping filtration of second metal filter plate 6 and first metal filter plate 5 in proper order, the rethread absorbs water the layer and the adsorption bed absorb water and the adsorption after, at last through heat transfer coil 16 to the heat transfer cooling of tail gas, the stink granule that mix with in the tail gas has been detached in proper order, moisture and a large amount of heat, the tail gas of accomplishing the processing lets in exhaust chimney 20 from contact tube 19 that sets up on second processing box 8 lower part outer wall and discharges, the pollution to all ring edge borders has been avoided, the utilization ratio to tail gas has been improved simultaneously, the utility model provides a high and the dry tail gas cyclic utilization device of papermaking that the tail gas treatment effect is good of resource utilization ratio.
The utility model discloses in the embodiment, top is provided with in first treatment box 2 and sprays the washing subassembly, it includes along horizontal setting at the water pipe 21 at top in first treatment box 2 to spray the washing subassembly, be provided with a plurality of shower heads 22 that spray end down along length direction interval each other on the lateral wall under the water pipe 21, one side is provided with water tank 23 outside first treatment box 2, water tank 23 top is provided with suction pump 24, suction pump 24's the end of drawing water extends to the interior bottom of water tank 23 through drinking-water pipe 25, suction pump 24's the end of sending water is through sending water pipe 26 and water pipe 21 intercommunication.
By adopting the technical scheme, in order to facilitate the cleaning of the second metal filter plate 6 and the first metal filter plate 5 in the first treatment box 2, thereby preventing the blockage of the second metal filter plate 6 and the first metal filter plate 5 after long-time use, and simultaneously ensuring the filtering effect of the cleaned second metal filter plate 6 and the cleaned first metal filter plate 5 on tail gas, a spray cleaning component is arranged at the top in the first treatment box 2, the spray cleaning component comprises a water pipe 21 which is transversely arranged at the top in the first treatment box 2, a plurality of spray heads 22 with downward spray ends are arranged on the lower side wall of the water pipe 21 at intervals along the length direction, a water tank 23 is arranged at one side outside the first treatment box 2, a water suction pump 24 is arranged at the top of the water tank 23, when cleaning, the air suction pump 4 is closed, the water suction pump 24 is opened, and under the working state of the water suction pump 24, water in the water tank 23 is pumped by a water pumping pipe 25 connected with a water pumping end of the water tank, and is sent into a water pipe 21 by a water sending pipe 26 connected with a water sending end of the water tank, and the second metal filter plate 6 and the first metal filter plate 5 are uniformly sprayed downwards by a plurality of spray heads 22 with downward spray ends so as to remove odor particles attached to the second metal filter plate 6 and the first metal filter plate 5.
In the embodiment of the present invention, the bottom of the first treatment box 2 is provided with a water outlet pipe 27, and the water outlet pipe 27 is provided with a water outlet control valve 28.
Through adopting above-mentioned technical scheme, in order to facilitate spraying abluent foul smell granule to first treatment tank 2 inside and control the discharge, be provided with outlet pipe 27 in first treatment tank 2 bottom, be provided with out water control valve 28 on outlet pipe 27, spray abluent in-process, open the play water control valve 28 that sets up on outlet pipe 27, behind discharge water and foul smell granule, suction pump 24 closes, and closes out water control valve 28, and air pump 4 opens normal work and carries out the extraction processing to tail gas.
In the embodiment of the present invention, an air supply switch valve 29 is provided at the connection end of the air supply pipe 3 and the first processing box 2.
By adopting the above technical scheme, in order to avoid that when the first treatment box 2 is cleaned by spraying, the spraying water mixed with the malodorous particles enters the air supply pipe 3 to pollute the air supply pipe 3, the air supply switch valve 29 is arranged at the connecting end of the air supply pipe 3 and the first treatment box 2, when the first treatment box 2 is cleaned by spraying, the air supply switch valve 29 is in a closed state, and after the cleaning is finished, the air supply switch valve 29 is opened again.
In the embodiment of the present invention, the connection end of the communication pipe 7 and the first processing box 2 is provided with the communication switch valve 30.
Through adopting above-mentioned technical scheme, in order to avoid spraying when wasing in first processing case 2 inside, the water that sprays enters into communicating pipe 7 to in entering into second processing case 8 along communicating pipe 7, the layer that absorbs water in second processing case 8 causes the loss, is provided with intercommunication ooff valve 30 at the link of communicating pipe 7 and first processing case 2, when spraying and wasing first processing case 2, intercommunication ooff valve 30 is in the closed condition, after accomplishing the washing, intercommunication ooff valve 30 reopens.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a dry tail gas cyclic utilization device of papermaking, is including setting up gas collecting channel (1) in paper machine drying portion top, its characterized in that: a first treatment box (2) is arranged on one side of the gas collecting hood (1), the gas collecting hood (1) is connected with the side wall of the lower part of the first treatment box (2) through a gas feed pipe (3), an air suction pump (4) is arranged on the gas feed pipe (3), a first metal filter plate (5) and a second metal filter plate (6) are arranged in the first treatment box (2) in a vertical parallel manner at intervals, a communicating pipe (7) is arranged on the side wall of the upper part of the first treatment box (2) and above the first metal filter plate (5), one end, far away from the first treatment box (2), of the communicating pipe (7) is connected with a second treatment box (8), an upper treatment chamber (9) and a lower treatment chamber (10) are respectively arranged in the second treatment box (8), the communicating pipe (7) is communicated with the top of the upper treatment chamber (9), and a partition plate (11) is arranged between the upper treatment chamber (9) and the lower treatment chamber (10), the partition board (11) is provided with a through hole (12) for communicating the upper treatment chamber (9) and the lower treatment chamber (10), a water absorbing layer and an adsorption layer are arranged in the upper treatment chamber (9) in parallel at intervals up and down, the water absorption layer comprises two upper metal filter screens (101) and water absorption anhydrous copper sulfate (13) filled between the two upper metal filter screens (101), the adsorption layer comprises two lower metal screens (102) and adsorption activated carbon (15) filled between the two lower metal screens (102), a heat exchange coil (16) is arranged in the lower treatment chamber (10), the upper end and the lower end of the heat exchange coil (16) are respectively connected with a cold water inlet pipe (17) and a water guide pipe (18), the outer wall of the lower part of the second treatment box (8) is connected with a delivery pipe (19) communicated with the bottom of the lower treatment chamber (10), and one end of the delivery pipe (19) far away from the second treatment box (8) is connected with an exhaust chimney (20).
2. The papermaking drying tail gas recycling device according to claim 1, characterized in that: the top is provided with in first processing case (2) and sprays the washing subassembly, it includes along horizontal water pipe (21) that sets up top in first processing case (2) to spray the washing subassembly, be provided with a plurality of shower heads (22) that spray end down along length direction interval each other on the lateral wall under water pipe (21), first processing case (2) outer one side is provided with water tank (23), water tank (23) top is provided with suction pump (24), the end of drawing water of suction pump (24) extends to water tank (23) interior bottom through drinking-water pipe (25), the end of sending water of suction pump (24) is through sending water pipe (26) and water pipe (21) intercommunication.
3. The papermaking drying tail gas recycling device according to claim 2, characterized in that: the bottom of the first treatment box (2) is provided with a water outlet pipe (27), and the water outlet pipe (27) is provided with a water outlet control valve (28).
4. The recycling device of the tail gas of the papermaking drying machine according to the claim 2 or 3, characterized in that: and an air supply switch valve (29) is arranged at the connecting end of the air supply pipe (3) and the first treatment box (2).
5. The recycling device of the tail gas of the papermaking drying machine according to the claim 2 or 3, characterized in that: and a communication switch valve (30) is arranged at the connecting end of the communication pipe (7) and the first treatment box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920900790.7U CN210385287U (en) | 2019-06-14 | 2019-06-14 | Papermaking drying tail gas cyclic utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920900790.7U CN210385287U (en) | 2019-06-14 | 2019-06-14 | Papermaking drying tail gas cyclic utilization device |
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| Publication Number | Publication Date |
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| CN210385287U true CN210385287U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920900790.7U Active CN210385287U (en) | 2019-06-14 | 2019-06-14 | Papermaking drying tail gas cyclic utilization device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871114A (en) * | 2020-06-24 | 2020-11-03 | 人与自然环保生物科技(南京)有限公司 | Food waste high-temperature organic waste gas integrated biological treatment device |
| CN112691452A (en) * | 2020-11-23 | 2021-04-23 | 茂裕环保科技南通有限公司 | Industrial acidic waste gas treatment device for preventing two fluids from emitting white smoke |
-
2019
- 2019-06-14 CN CN201920900790.7U patent/CN210385287U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871114A (en) * | 2020-06-24 | 2020-11-03 | 人与自然环保生物科技(南京)有限公司 | Food waste high-temperature organic waste gas integrated biological treatment device |
| CN112691452A (en) * | 2020-11-23 | 2021-04-23 | 茂裕环保科技南通有限公司 | Industrial acidic waste gas treatment device for preventing two fluids from emitting white smoke |
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