CN115414763A - Methanol tank field VOCs waste gas treatment device - Google Patents
Methanol tank field VOCs waste gas treatment device Download PDFInfo
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- CN115414763A CN115414763A CN202211086194.2A CN202211086194A CN115414763A CN 115414763 A CN115414763 A CN 115414763A CN 202211086194 A CN202211086194 A CN 202211086194A CN 115414763 A CN115414763 A CN 115414763A
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- wall
- fixedly connected
- tank
- jar
- waste gas
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000002912 waste gas Substances 0.000 title claims abstract description 35
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 117
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 48
- 238000003795 desorption Methods 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims description 67
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 238000005067 remediation Methods 0.000 claims 1
- 238000013517 stratification Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 239000010815 organic waste Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 25
- 229910001873 dinitrogen Inorganic materials 0.000 description 21
- 229910052799 carbon Inorganic materials 0.000 description 18
- 238000000034 method Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a methanol tank area VOCs waste gas treatment device, and relates to the technical field of volatile organic waste gas treatment. The invention has the advantages that the high-temperature nitrogen is used for carrying out high-temperature desorption on the activated carbon layer, and the low-temperature methanol waste gas is used for facilitating adsorption, thereby improving the adsorption and desorption effects.
Description
Technical Field
The invention relates to the technical field of volatile organic waste gas treatment, in particular to a VOCs waste gas treatment device in a methanol tank area.
Background
With the rapid development of economy in China, aromatic solvents such as benzene, toluene and xylene, and solvents such as alcohols, lipids and acetone are widely used in the technical fields of printing, spraying, leather making, electronics and the like. Most of these volatile organic compounds are toxic and a considerable portion of them are eventually emitted into the atmosphere in the form of organic waste gases, causing serious pollution of the atmosphere. Therefore, the recovery and utilization of the organic waste gas are imperative. Namely, the organic solvent is recovered from the organic waste gas discharged by the industry, so that the environmental pollution can be reduced, and the precious resources can be recovered.
In the prior art, the VOCs waste gas treatment device in the methanol tank area is generally carried out by adopting a plasma elimination method, a low-temperature water spraying method and other methods.
However, when the device is used, after methanol waste gas is sucked by the existing absorption tower, impurities are adsorbed on the methanol waste gas through the activated carbon, and after the activated carbon adsorbs the impurities for a long time, the impurities are accumulated on the activated carbon due to long-time adsorption, and a cleaning structure is not provided, so that the activated carbon cannot adsorb the impurities.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a VOCs waste gas treatment device for a methanol tank area. The method has the advantages that the activated carbon layer is subjected to high-temperature desorption through high-temperature nitrogen, and the low-temperature methanol waste gas is conveniently adsorbed, so that the adsorption and desorption effects are improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a methanol tank district VOCs waste gas treatment device, includes the first jar of body, first jar body top is provided with the air inlet, first jar body bottom is provided with the second jar of body, second jar body bottom fixedly connected with gas vent, second jar internal wall is provided with the activated carbon layer, the activated carbon layer is equipped with two altogether, first jar external wall is provided with the condensing box, the inside condenser that is provided with of condensing box, first jar body top fixedly connected with driving motor, driving motor is equipped with two altogether, through connection has first heat pipe on the second jar body, first heat pipe outer wall through connection has the heat exchange jar, the heat exchange jar is equipped with two altogether, second jar external wall through connection has desorption mechanism. During the use, methyl alcohol waste gas gets into first jar of body in through the air inlet, methyl alcohol waste gas gets into before, through condensing box and condenser wherein, make the internal temperature of first jar reduce, prevent that high temperature methyl alcohol waste gas from taking place the contact with the active carbon layer, lead to influencing the adsorption efficiency of active carbon, and simultaneously, cooperation through driving motor and arc, the suction of methyl alcohol waste gas accelerates, methyl alcohol waste gas takes place the back of contacting with the active carbon layer, impurity can adsorb on the active carbon layer, clear up the impurity of adsorbing on the active carbon layer through desorption mechanism, make impurity and active carbon layer take place the separation, when both separate, absorb impurity through the air-blower, prevent that impurity stagnation is internal at the second jar, because the clearance of impurity, the life of active carbon layer has been improved, carry out high temperature desorption to the active carbon layer through high temperature nitrogen gas, and simultaneously, conveniently adsorb through low temperature methyl alcohol waste gas, improve the effect of absorption and desorption.
In a preferred technical scheme of the invention, the desorption mechanism comprises a plurality of cleaning heads and a plurality of movable plates, the cleaning heads are connected with the second tank body in a penetrating manner, the inner wall of the cleaning heads is provided with a vent groove, the vent groove is provided with a first rotating rod, the first rotating rod is fixedly connected with the movable plates, the movable plates are provided with a plurality of movable plates, the outer wall of the cleaning heads is fixedly connected with a first pipeline, the outer wall of the first pipeline is fixedly connected with a nitrogen heater, the outer wall of the nitrogen heater is fixedly connected with a nitrogen generator, and the number of the nitrogen generators is two. Make nitrogen gas through nitrogen generator, when the nitrogen gas of production passes through nitrogen heater, heated by nitrogen heater, nitrogen gas after the heating then flows in among the air channel in the clearance head through first pipeline, through the air channel with the nitrogen gas blowout, when the nitrogen gas in the air channel flows, the fly leaf then takes place to rotate through the nitrogen gas that flows, rotation through the fly leaf, make nitrogen gas spun direction change, thereby make nitrogen gas can not only sweep a department on the active carbon layer, through sweeping of nitrogen gas, make impurities such as vapor and oxygen on the active carbon layer sweep thereupon away, make impurity no longer adsorb on the active carbon layer, thereby improve the life on active carbon layer, and can install temperature sensor additional at the second jar internal, thereby monitor the temperature in the second jar, avoid appearing the too high condition of temperature.
In a preferred technical scheme of the invention, a push rod is fixedly connected to the top of the cleaning head, a locking block is movably connected to the outer wall of the push rod, a fixing plate is arranged at the top of the locking block, the fixing plate is fixedly connected with the second tank body, a limiting block is movably connected to the bottom of the fixing plate, a pull rod is fixedly connected to the outer wall of the limiting block, a positioning plate is fixedly connected to the outer wall of the pull rod, a positioning groove is penetratingly connected to the outer wall of the pull rod, the positioning groove is matched with the positioning plate, the positioning groove and the positioning plate are arranged in a cross shape, and the pull rod is penetratingly connected with the second tank body. The pull rod is rotated to drive the positioning plate and the limiting block, the positioning plate is separated from the positioning groove by moving the positioning plate, the front end of the limiting block is contacted with one side of the locking block when the front end of the limiting block is moved, the pull rod is rotated to drive the positioning plate to rotate when the front end of the limiting block is contacted with one side of the locking block, the positioning plate is rotated from a parallel shape to a vertical shape by the rotation of the positioning plate, the positioning plate and the positioning groove are in a cross shape when the positioning plate is in the vertical shape, the outer wall of the positioning plate is also contacted with the inner wall of the second tank body, the pull rod, the positioning plate and the limiting block are supported by the contact of the outer wall of the positioning plate and the inner wall of the second tank body, the three cannot move leftwards, the three cannot move rightwards by the contact of the limiting block and the locking block, so that the three can be kept at a designated position and cannot move, when the positions of the three are limited, the cleaning head can penetrate through the second tank body, so that the cleaning head can penetrate into the second tank body, therefore, the activated carbon layer is convenient to clean, meanwhile, when the cleaning head is in the process of penetrating into the inner cavity of the second tank body, the push rod can be in contact with the locking block, the push rod pushes the bottom end of the locking block to move rightwards through the movement of the cleaning head, the locking block is in a skew shape, when the push rod and the cleaning head move to specified positions, the push rod can be separated from the locking block, after the push rod and the cleaning head are separated, the cleaning head is moved, the push rod is driven by the cleaning head to move leftwards, the push rod can be in contact with the locking block again in the process of moving leftwards, at the moment, the left side of the locking block is abutted by the limiting block and cannot move, the locking block can only move rightwards, so that the push rod and the cleaning head can only be kept at the specified positions, when the cleaning head needs to be taken out for cleaning after the activated carbon layer is cleaned for a long time, the pull rod is rotated, the positioning plate is driven by the pull rod to rotate to the horizontal position, then stimulate the pull rod, make the pull rod drive locating plate and stopper remove, make the stopper keep away from the latch segment, simultaneously, the locating plate then can contact with the constant head tank to can remove cleaning head and push rod, make the push rod promote the latch segment and remove left, and then make push rod and cleaning head take out from the second jar of body, conveniently clear up the cleaning head, conveniently use repeatedly, improve the life of cleaning head.
In a preferred technical scheme of the invention, the outer wall of the second tank body is connected with a plurality of second pipelines in a penetrating manner, and the outer wall of each second pipeline is fixedly connected with a blower. Purging the impurities on the activated carbon layer through nitrogen, starting the air blower when the impurities are purged, and enabling the air blower to suck the impurities in the second tank body through the second pipeline to avoid the impurities from being stagnated in the second tank body.
In a preferred technical scheme of the present invention, the outer wall of the first heat conducting pipe is fixedly connected with two second heat conducting pipes, and the second heat conducting pipes are connected with the heat exchange tank in a penetrating manner. Through the cooperation of second heat pipe and first heat pipe, make the heat energy of second heat pipe flow among the first heat pipe, conveniently carry out the heat conduction to first heat pipe.
In a preferred technical scheme of the invention, the outer wall of the second heat conduction pipe is fixedly connected with two steam source machines. Through the effect of steam source machine, start the steam source machine, make heat energy flow in among the second heat pipe, make things convenient for the heat transfer to the activated carbon layer on, be applicable to the adsorption mode of low temperature absorption, high temperature desorption.
In a preferred embodiment of the present invention, the second heat pipe is distributed in a folded shape. Through the setting that the second heat pipe is folding distribution, improve heat exchange efficiency.
In a preferred technical scheme of the present invention, the output end of the driving motor is provided with two second rotating rods, the outer wall of each second rotating rod is fixedly connected with an arc-shaped plate, the outer wall of each arc-shaped plate is provided with a plurality of through holes, and the number of the through holes is two. Through starting driving motor, make driving motor drive second bull stick and arc rotate, when the arc rotated, the downdraft's change can take place for the air current of the first jar of body, through the change of air current, improves the inspiratory efficiency of methyl alcohol waste gas, and the effect through the through-hole makes things convenient for the flow of air current.
In a preferred technical scheme of the invention, the inner wall of the second tank body is provided with uniform layers. Through the effect of even layering, make things convenient for the flow of the internal gas of second jar, make gaseous even the passing through of ability.
In a preferred technical scheme of the invention, the uniform layers are made of stainless steel materials and are diamond-shaped nets. Through the setting that the equal layering is stainless steel material, improve the life of equal layering.
The invention has the beneficial effects that:
1. this methyl alcohol tank field VOCs waste gas treatment device, make nitrogen gas through nitrogen generator, when the nitrogen gas of production passes through the nitrogen gas heater, be heated by the nitrogen gas heater, nitrogen gas after the heating then flows in among the air channel in the clearance head through first pipeline, spout nitrogen gas through the air channel, during the nitrogen gas in the air channel flows, the fly leaf then rotates through the nitrogen gas emergence of flowing, rotation through the fly leaf, make nitrogen gas spun direction change, thereby make nitrogen gas can not only sweep one department on the active carbon layer, through sweeping of nitrogen gas, make impurity such as vapor and oxygen on the active carbon layer swept thereupon away, make impurity no longer adsorb on the active carbon layer, thereby improve the life on active carbon layer, and can install temperature sensor additional in the second jar body, thereby monitor the internal temperature of second jar, avoid appearing the too high condition of temperature.
2. The methanol tank area VOCs waste gas treatment device has the advantages that the pull rod is rotated to drive the positioning plate and the limiting block, the positioning plate is separated from the positioning groove by moving the positioning plate, the front end of the limiting block is contacted with one side of the locking block when the positioning plate is moved, the pull rod is rotated to drive the positioning plate to rotate when the locking block is contacted with the locking block, the positioning plate is rotated from a parallel state to a vertical state by the rotation of the positioning plate, the positioning plate and the positioning groove are in a cross shape when the positioning plate is in the vertical state, meanwhile, the outer wall of the positioning plate is also contacted with the inner wall of the second tank body, the pull rod, the positioning plate and the limiting block are supported by the contact of the positioning plate and the locking block, the positioning plate and the limiting block cannot move leftwards, the three cannot move rightwards, the three cannot move at a designated position, and after the positions of the three are limited, the cleaning head can penetrate through the second tank body, the cleaning head is extended into the second tank body, so that the activated carbon layer is conveniently cleaned, meanwhile, when the cleaning head is extended into the inner cavity of the second tank body, the push rod can be in contact with the locking block, the push rod can push the bottom end of the locking block to move rightwards through the movement of the cleaning head, so that the locking block is in a skew shape, when the push rod and the cleaning head move to specified positions, the push rod can be separated from the locking block, after the push rod and the cleaning head are separated, the cleaning head is moved, so that the cleaning head drives the push rod to move leftwards, the push rod can be in contact with the locking block again in the leftward movement process, at the moment, the left side of the locking block is abutted by a limiting block and cannot move, so that the locking block can only move rightwards, so that the push rod and the cleaning head can only keep at the specified positions, when the cleaning head needs to be taken out for cleaning the activated carbon layer for a long time, the pull rod is rotated, make the pull rod drive the locating plate and rotate to the level form, then stimulate the pull rod, make the pull rod drive locating plate and stopper and remove, make the stopper keep away from the latch segment, simultaneously, the locating plate then can contact with the constant head tank to can remove cleaning head and push rod, make the push rod promote the latch segment and remove left, and then make push rod and cleaning head take out among the second jar of body, conveniently clear up the cleaning head, conveniently use repeatedly, improve the life of cleaning head.
3. This device is administered to methyl alcohol tank field VOCs waste gas through the effect of steam source machine, starts the steam source machine, makes during heat energy flows in the second heat pipe, makes things convenient for heat transfer to the active carbon layer on, is applicable to the adsorption mode of low temperature absorption, high temperature desorption.
Drawings
FIG. 1 is a schematic view of a first perspective view of the overall three-dimensional structure of a VOCs waste gas treatment device in a methanol tank field according to the present invention;
FIG. 2 is a second perspective view of the overall structure of the VOCs waste gas treatment device in the methanol tank field according to the present invention;
FIG. 3 is a third schematic view of the overall three-dimensional structure of the VOCs waste gas treatment device in the methanol tank field according to the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is a schematic cross-sectional view of the bevel of the present invention;
FIG. 6 is a perspective view of an arc plate according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 5 according to the present invention.
In the figure: 1. a first tank; 101. an air inlet; 102. a second tank; 103. an exhaust port; 104. an activated carbon layer; 105. a condensing tank; 106. a drive motor; 107. a first heat conductive pipe; 108. a heat exchange tank; 109. a second conduit; 110. a blower; 111. a second heat conductive pipe; 112. a steam source machine; 113. a second rotating lever; 114. an arc-shaped plate; 115. a through hole; 116. uniformly layering; 2. a desorption mechanism; 201. cleaning the head; 202. a movable plate; 203. a vent channel; 204. a first rotating lever; 205. a first conduit; 206. a nitrogen heater; 207. a nitrogen generator; 208. a push rod; 209. a locking block; 210. a fixing plate; 211. a limiting block; 212. a pull rod; 213. positioning a plate; 214. and (6) positioning a groove.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the patent and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1, 2, 3, 4 and 5, a methanol tank area VOCs waste gas treatment device includes a first tank 1, an air inlet 101 is provided at the top of the first tank 1, a second tank 102 is provided at the bottom of the first tank 1, an air outlet 103 is fixedly connected to the bottom of the second tank 102, an activated carbon layer 104 is provided on the inner wall of the second tank 102, two activated carbon layers 104 are provided, a condensing box 105 is provided on the outer wall of the first tank 1, a condenser is provided inside the condensing box 105, a driving motor 106 is fixedly connected to the top of the first tank 1, two driving motors 106 are provided, a first heat pipe 107 is penetratingly connected to the second tank 102, a heat exchange tank 108 is penetratingly connected to the outer wall of the first heat pipe 107, two heat exchange tanks 108 are provided, and a desorption mechanism 2 is penetratingly connected to the outer wall of the second tank 102.
Referring to fig. 1 and 7, the desorption mechanism 2 includes a plurality of cleaning heads 201 and a plurality of movable plates 202, the cleaning heads 201 are connected to the second tank 102 in a penetrating manner, a vent groove 203 is formed in an inner wall of the cleaning heads 201, a first rotating rod 204 is arranged on the vent groove 203, the first rotating rod 204 is fixedly connected to the movable plates 202, the plurality of movable plates 202 are arranged, a first pipeline 205 is fixedly connected to an outer wall of the cleaning heads 201, a nitrogen heater 206 is fixedly connected to an outer wall of the first pipeline 205, a nitrogen generator 207 is fixedly connected to an outer wall of the nitrogen heater 206, the nitrogen generator 207 is provided with two nitrogen generators 207, nitrogen is produced by the nitrogen generator 207, the produced nitrogen is heated by the nitrogen heater 206 when passing through the nitrogen heater 206, the heated nitrogen flows into the vent groove 203 in the cleaning heads 201 through the first pipeline 205, the nitrogen is ejected through the vent groove 203, when the nitrogen in the vent groove 203 flows, the movable plates 202 rotate through the flowing nitrogen, the movable plates 202 rotate, the direction of the nitrogen is changed through rotation of the movable plates 202, so that the nitrogen is not purged only at a first carbon layer 104, impurities in the activated carbon layer 104 can be purged, the activated carbon layer 104, the temperature of the tank 104 can be monitored, and the temperature of the activated carbon layer 104 can be increased, and the activated carbon layer 104, and the temperature of the activated carbon layer 104 can be monitored, and the activated steam sensor 102 can be used, and the activated steam, and the temperature of the activated steam can be monitored, and the activated steam sensor 102 can be used for the activated steam, and the activated steam is not used for the activated carbon layer 102, and the activated steam is increased; the top of the cleaning head 201 is fixedly connected with a push rod 208, the outer wall of the push rod 208 is movably connected with a locking block 209, the top of the locking block 209 is provided with a fixing plate 210, the fixing plate 210 is fixedly connected with the second tank 102, the bottom of the fixing plate 210 is movably connected with a limiting block 211, the outer wall of the limiting block 211 is fixedly connected with a pull rod 212, the outer wall of the pull rod 212 is fixedly connected with a positioning plate 213, the outer wall of the pull rod 212 is connected with a positioning groove 214 in a penetrating manner, the positioning groove 214 is matched with the positioning plate 213, the positioning groove 214 and the positioning plate 213 are arranged in a crossed manner, the pull rod 212 is connected with the second tank 102 in a penetrating manner, the pull rod 212 drives the positioning plate 213 and the limiting block 211 to move through the positioning plate 213, the positioning plate 213 is separated from the positioning groove 214 through moving, the front end of the limiting block 211 is contacted with one side of the locking block 209 when the front end of the locking block 211 is contacted with the locking block, the pull rod 212 is rotated, so that the positioning plate 212 drives the positioning plate 213 to rotate, the positioning plate 213 rotates to enable the positioning plate 213 to rotate from a parallel shape to a vertical shape, when the positioning plate 213 is vertical, the positioning plate 213 and the positioning groove 214 are in a cross shape, meanwhile, the outer wall of the positioning plate 213 is also in contact with the inner wall of the second tank 102, the pull rod 212, the positioning plate 213 and the limiting block 211 are supported through the contact of the positioning plate 213 and the inner wall of the second tank 102, the three cannot move leftwards, and meanwhile, the three cannot move rightwards through the contact of the limiting block 211 and the locking block 209, so that the three cannot move at a specified position, when the positions of the three are limited, the cleaning head 201 can penetrate through the second tank 102, so that the cleaning head 201 can penetrate into the second tank 102, the activated carbon layer 104 can be cleaned conveniently, meanwhile, when the cleaning head 201 penetrates into the inner cavity of the second tank 102, the push rod 208 can contact with the locking block 209, and through the movement of the cleaning head 201, the push rod 208 pushes the bottom end of the locking block 209 to move rightwards, the locking block 209 is in a skew shape, when the push rod 208 and the cleaning head 201 move to specified positions, the push rod 208 can be separated from the locking block 209, after the push rod 208 and the cleaning head 201 are separated, the cleaning head 201 is moved, the cleaning head 201 drives the push rod 208 to move leftwards, and in the process that the push rod 208 moves leftwards, the push rod 208 can be in contact with the locking block 209 again, at the moment, the left side of the locking block 209 is abutted by the limiting block 211 and cannot move, so that the locking block 209 can only move rightwards, the push rod 208 and the cleaning head 201 can only be kept at the specified positions, when the cleaning head 201 needs to be taken out and cleaned for a long time after the activated carbon layer 104 is cleaned, the pull rod 212 is rotated, the pull rod 212 drives the positioning plate 213 to rotate to a horizontal shape, then the pull rod 212 is pulled, the pull rod 212 drives the positioning plate 213 and the limiting block 211 to move, the limiting block 211 is far away from the locking block 211, meanwhile, the positioning groove 213 can be in contact with the positioning groove 214, so that the cleaning head 201 and the push rod 208 can be moved, thereby the cleaning head 201 can be conveniently taken out, and the cleaning head 201 can be used for cleaning can be taken out, and the cleaning head 201.
Referring to fig. 2, 3, 4 and 6, a plurality of second pipelines 109 are connected to the outer wall of the second tank 102 in a penetrating manner, a blower 110 is fixedly connected to the outer wall of the second pipeline 109, impurities in the activated carbon layer 104 are purged by using nitrogen, and the blower 110 is started while the impurities are purged, so that the blower 110 sucks the impurities in the second tank 102 through the second pipeline 109, and the impurities are prevented from being stagnated in the second tank 102; the outer wall of the first heat conduction pipe 107 is fixedly connected with two second heat conduction pipes 111, the two second heat conduction pipes 111 are arranged, the second heat conduction pipes 111 are connected with the heat exchange tank 108 in a penetrating manner, and by utilizing the matching of the second heat conduction pipes 111 and the first heat conduction pipes 107, the heat energy of the second heat conduction pipes 111 flows into the first heat conduction pipes 107, so that the heat conduction of the first heat conduction pipes 107 is facilitated; the outer wall of the second heat pipe 111 is fixedly connected with two steam source machines 112, the two steam source machines 112 are arranged, and the action of the steam source machines 112 is utilized to start the steam source machines 112, so that heat energy flows into the second heat pipe 111, heat is conveniently transferred to the activated carbon layer 104, and the adsorption method is suitable for low-temperature adsorption and high-temperature desorption; the second heat conduction pipes 111 are distributed in a folded shape, and the heat exchange efficiency is improved by utilizing the arrangement that the second heat conduction pipes 111 are distributed in a folded shape; the output end of the driving motor 106 is provided with two second rotating rods 113, the outer wall of the second rotating rods 113 is fixedly connected with an arc-shaped plate 114, the outer wall of the arc-shaped plate 114 is provided with a plurality of through holes 115, the driving motor 106 is started to drive the second rotating rods 113 and the arc-shaped plate 114 to rotate, when the arc-shaped plate 114 rotates, the airflow of the first tank body 1 can be changed to flow downwards, the methanol waste gas suction efficiency is improved through the change of the airflow, and the airflow can conveniently flow under the action of the through holes 115; the inner wall of the second tank 102 is provided with the uniform layer 116, and the gas in the second tank 102 can flow conveniently and uniformly pass through the uniform layer 116; the uniform layering 116 is made of stainless steel, the uniform layering 116 is a diamond net, and the service life of the uniform layering 116 is prolonged by the arrangement that the uniform layering 116 is made of the stainless steel.
The nitrogen generator 207 is used for producing nitrogen, when the produced nitrogen passes through the nitrogen heater 206, the produced nitrogen is heated by the nitrogen heater 206, the heated nitrogen flows into the vent groove 203 in the cleaning head 201 through the first pipeline 205, the nitrogen is sprayed out through the vent groove 203, when the nitrogen in the vent groove 203 flows, the movable plate 202 rotates through the flowing nitrogen, the spraying direction of the nitrogen is changed through the rotation of the movable plate 202, the nitrogen is not only blown at one position of the activated carbon layer 104, impurities such as water vapor, oxygen and the like on the activated carbon layer 104 are blown out along with the nitrogen through the blowing of the nitrogen, the impurities are not adsorbed on the activated carbon layer 104, the service life of the activated carbon layer 104 is prolonged, a temperature sensor can be additionally arranged in the second tank 102, the temperature in the second tank 102 is monitored, and the situation of overhigh temperature is avoided.
In addition, the front end of the device is also provided with a pretreatment component, and the front end of the device can be added into a water washing absorption tower and is treated after being washed by water. Meanwhile, the device can also be provided with a waste gas monitoring and recycling device at the micro end to monitor the discharged waste gas, and when the discharged waste gas does not meet the discharge standard, the waste gas can be input into the device again to be treated again. And the output exhaust gas reaches the emission standard. The environment is protected from being polluted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a methanol tank field VOCs exhaust gas treatment device, includes first jar of body (1), its characterized in that, first jar of body (1) top is provided with air inlet (101), first jar of body (1) bottom is provided with the second jar of body (102), the fixedly connected with gas vent (103) in the bottom of the second jar of body (102), the inner wall of the second jar of body (102) is provided with activated carbon layer (104), activated carbon layer (104) are equipped with two altogether, first jar of body (1) outer wall is provided with condensing box (105), the inside condenser that is provided with of condensing box (105), first jar of body (1) top fixedly connected with driving motor (106), driving motor (106) are equipped with two altogether, run through connection has first heat pipe (107) on the second jar of body (102), first heat pipe (107) outer wall run through connection has heat exchange tank (108), heat exchange tank (108) are equipped with two altogether, second jar of body (102) outer wall run through connection has desorption mechanism (2).
2. The methanol tank field VOCs waste gas treatment device as claimed in claim 1, wherein the desorption mechanism (2) comprises a plurality of cleaning heads (201) and a plurality of movable plates (202), the cleaning heads (201) are provided with a plurality of cleaning heads, the cleaning heads (201) are connected with the second tank body (102) in a penetrating manner, the inner wall of the cleaning heads (201) is provided with a vent groove (203), the vent groove (203) is provided with a first rotating rod (204), the first rotating rod (204) is fixedly connected with the movable plates (202), the movable plates (202) are provided with a plurality of cleaning heads, the outer wall of the cleaning heads (201) is fixedly connected with a first pipeline (205), the outer wall of the first pipeline (205) is fixedly connected with a nitrogen heater (206), the outer wall of the nitrogen heater (206) is fixedly connected with a nitrogen generator (207), and the number of nitrogen generators (207) is two.
3. The methanol tank zone VOCs waste gas treatment device of claim 2, characterized in that a push rod (208) is fixedly connected to the top of the cleaning head (201), a locking block (209) is movably connected to the outer wall of the push rod (208), a fixing plate (210) is arranged at the top of the locking block (209), the fixing plate (210) is fixedly connected to the second tank body (102), a limiting block (211) is movably connected to the bottom of the fixing plate (210), a pull rod (212) is fixedly connected to the outer wall of the limiting block (211), a positioning plate (213) is fixedly connected to the outer wall of the pull rod (212), a positioning groove (214) is penetratingly connected to the outer wall of the pull rod (212), the positioning groove (214) is matched with the positioning plate (213), the positioning groove (214) and the positioning plate (213) are arranged in a crisscross manner, and the pull rod (212) is penetratingly connected to the second tank body (102).
4. The device for treating VOCs waste gas of the methanol tank field according to claim 2, wherein a plurality of second pipelines (109) are arranged on the outer wall of the second tank body (102) in a penetrating way, and the outer wall of the second pipelines (109) is fixedly connected with a blower (110).
5. A methanol tank district VOCs waste gas treatment device as claimed in claim 1, wherein a second heat transfer pipe (111) is fixedly connected to an outer wall of the first heat transfer pipe (107), two second heat transfer pipes (111) are provided, and the second heat transfer pipe (111) is connected to the heat exchange tank (108) in a penetrating manner.
6. The device for treating VOCs exhaust gas of the methanol tank farm according to claim 5, wherein the outer wall of the second heat conducting pipe (111) is fixedly connected with two steam source machines (112), and the number of the steam source machines (112) is two.
7. The device for treating VOCs exhaust gas of a methanol tank farm according to claim 5, wherein the second heat transfer tubes (111) are distributed in a folded shape.
8. The methanol tank field VOCs waste gas treatment device of claim 1, wherein the output end of the driving motor (106) is provided with two second rotating rods (113), the outer wall of the second rotating rods (113) is fixedly connected with an arc-shaped plate (114), the outer wall of the arc-shaped plate (114) is provided with a plurality of through holes (115), and the number of the through holes (115) is large.
9. A methanol tank farm VOCs off-gas remediation device as claimed in claim 1 wherein the inner wall of the second tank (102) is provided with uniform stratification (116).
10. The methanol tank farm VOCs exhaust gas treatment device of claim 9, wherein the uniform layer (116) is stainless steel and the uniform layer (116) is a diamond mesh.
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Cited By (1)
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| CN117225140A (en) * | 2023-09-28 | 2023-12-15 | 湖北徐风环保科技有限公司 | Boiler room waste gas recovery device |
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