CN115414763B - Methanol tank field VOCs waste gas treatment device - Google Patents
Methanol tank field VOCs waste gas treatment device Download PDFInfo
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- CN115414763B CN115414763B CN202211086194.2A CN202211086194A CN115414763B CN 115414763 B CN115414763 B CN 115414763B CN 202211086194 A CN202211086194 A CN 202211086194A CN 115414763 B CN115414763 B CN 115414763B
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- wall
- fixedly connected
- tank
- waste gas
- cleaning head
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 239000002912 waste gas Substances 0.000 title claims abstract description 35
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 118
- 238000004140 cleaning Methods 0.000 claims abstract description 78
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 52
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 32
- 238000003795 desorption Methods 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 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 24
- 229910001873 dinitrogen Inorganic materials 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005507 spraying Methods 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
- 230000008569 process Effects 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
- 238000010586 diagram Methods 0.000 description 2
- 238000005406 washing 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
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 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
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003960 organic solvent Substances 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
- 238000012958 reprocessing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- 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 field VOCs waste gas treatment device, which relates to the technical field of volatile organic waste gas treatment and comprises a first tank body, wherein the top of the first tank body is provided with an air inlet, the bottom of the first tank body is provided with a second tank body, the bottom of the second tank body is fixedly connected with an air outlet, the inner wall of the second tank body is provided with active carbon layers, the active carbon layers are provided with two, the outer wall of the first tank body is provided with a condensing box, the inside of the condensing box is provided with a condenser, the top of the first tank body is fixedly connected with a driving motor, the driving motor is provided with two, the second tank body is connected with a first heat pipe in a penetrating way, the outer wall of the first heat pipe is connected with a heat exchange tank in a penetrating way, the outer wall of the second tank body is connected with a desorption mechanism in a penetrating way, the desorption mechanism comprises a cleaning head and a movable plate, and the cleaning head is provided with a plurality of cleaning heads. The invention has the advantages that the high-temperature desorption is carried out on the active carbon layer by high-temperature nitrogen, the adsorption is convenient by low-temperature methanol waste gas, and the adsorption and desorption effects are improved.
Description
Technical Field
The invention relates to the technical field of volatile organic waste gas treatment, in particular to a device for treating VOCs waste gas in a methanol tank field.
Background
With the rapid development of the economy in China, aromatic solvents such as benzene, toluene, xylene and the like and solvents such as alcohols, lipids, acetone and the like are widely used in the technical fields of printing, spraying, tanning, electronics and the like. Most of these volatile organic compounds are toxic and a significant portion is eventually expelled into the atmosphere in the form of organic waste gases, causing serious pollution of the atmosphere. Therefore, recovery and utilization of the organic waste gas are imperative. Namely, the organic solvent is recovered from the industrial discharged organic waste gas, so that the environmental pollution can be reduced, and 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, low-temperature water spraying and other modes.
However, when the device is used, after the methanol waste gas is sucked into the existing absorption tower, impurities are adsorbed to the methanol waste gas through the activated carbon, and after the activated carbon adsorbs the impurities for a long time, the impurities are adsorbed and accumulated on the activated carbon for a long time without a cleaning structure, 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 field. The high-temperature methanol waste gas adsorption device has the advantages that the high-temperature nitrogen is used for carrying out high-temperature desorption on the active carbon layer, and the low-temperature methanol waste gas is used for conveniently adsorbing, so that the adsorption and desorption effects are improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a methanol tank field VOCs waste gas treatment device, includes first jar body, first jar body top is provided with the air inlet, first jar body bottom is provided with the second jar body, second jar body bottom fixedly connected with gas vent, the internal wall of second jar is provided with the active carbon layer, the active carbon layer is equipped with two altogether, first jar external wall is provided with the condensing tank, the inside condenser that is provided with of condensing tank, first jar body top fixedly connected with driving motor, driving motor is equipped with two altogether, the last through-connection of the second jar body has first heat pipe, first heat pipe outer wall through-connection has the heat transfer pot, the heat transfer pot is equipped with two altogether, the external wall through-connection of second jar has desorption mechanism. During the use, get into first jar of body in the methanol waste gas passes through the air inlet, before the methanol waste gas gets into, through the condenser of condensing case and wherein, make the internal temperature of first jar reduce, prevent that the methanol waste gas of high temperature from taking place to contact with the active carbon layer, lead to influencing the adsorption efficiency of active carbon, simultaneously, through the cooperation of driving motor and arc, the absorption of accelerating methanol waste gas, after methanol waste gas and active carbon layer take place to contact, 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 to separate, when both are separated, absorb impurity through the air-blower, prevent that impurity from stagnating in the second jar is internal, because the clearance of impurity, the life on active carbon layer has been improved, carry out high temperature desorption to the active carbon layer through high temperature nitrogen gas, simultaneously, through the convenient absorption of low temperature methanol waste gas, the effect of absorption and desorption is improved.
In a preferred technical scheme of the invention, the desorption mechanism comprises a plurality of cleaning heads and movable plates, the cleaning heads are in penetrating connection with the second tank body, the inner walls of the cleaning heads are provided with ventilation grooves, the ventilation grooves are provided with first rotating rods, the first rotating rods are fixedly connected with the movable plates, the movable plates are in a plurality, the outer walls of the cleaning heads are fixedly connected with first pipelines, the outer walls of the first pipelines are fixedly connected with nitrogen heaters, the outer walls of the nitrogen heaters are fixedly connected with nitrogen generators, and the nitrogen generators are in two total. The nitrogen is produced through the nitrogen generator, when the produced nitrogen passes through the nitrogen heater, the nitrogen is heated by the nitrogen heater, the heated nitrogen flows into the ventilation groove in the cleaning head through the first pipeline, nitrogen is sprayed out through the ventilation groove, when nitrogen in the ventilation groove flows, the movable plate rotates through flowing nitrogen, the direction of nitrogen spraying is changed through the rotation of the movable plate, so that the nitrogen cannot be only blown to one part of the active carbon layer, impurities such as water vapor and oxygen on the active carbon layer are blown out along with the nitrogen, the impurities are not adsorbed on the active carbon layer any more, the service life of the active carbon layer is prolonged, a temperature sensor can be additionally arranged in the second tank, and the temperature in the second tank is monitored, so that the condition of overhigh temperature is avoided.
In the preferred technical scheme of the invention, the top of the cleaning head is fixedly connected with a push rod, the outer wall of the push rod is movably connected with a locking block, the top of the locking block is provided with a fixed plate, the fixed plate is fixedly connected with the second tank body, the bottom of the fixed plate is movably connected with a limiting block, the outer wall of the limiting block is fixedly connected with a pull rod, the outer wall of the pull rod is fixedly connected with a positioning plate, the outer wall of the pull rod is in penetrating connection with a positioning groove, the positioning groove is matched with the positioning plate, the positioning groove is in crossed arrangement with the positioning plate, and the pull rod is in penetrating connection with the second tank body. The pull rod drives the positioning plate and the limiting block through rotating the positioning plate, the positioning plate is separated from the positioning groove through moving the positioning plate, the front end of the limiting block is contacted with one side of the locking block through moving, the pull rod is rotated to drive the positioning plate to rotate through rotating the positioning plate, the positioning plate rotates to be vertical from parallel, when the positioning plate is vertical, the positioning plate and the positioning groove are in a cross shape, meanwhile, the outer wall of the positioning plate can be contacted with the inner wall of the second tank body, the pull rod, the positioning plate and the limiting block are supported through contacting the two, the three cannot move leftwards, meanwhile, the three cannot move rightwards through contacting the limiting block and the locking block, so that the three cannot move at a specified position, after the three are limited, the cleaning head penetrates through the second tank body, the cleaning head penetrates into the second tank body, so that the activated carbon layer is cleaned conveniently, simultaneously, when the cleaning head is in the process of the second tank body, the push rod is contacted with the locking block, the push rod pushes the bottom end of the locking block to the right, the push rod is pushed by the push rod to move rightwards, and the cleaning head is only the left-side of the cleaning head is separated from the locking block, and the cleaning head can only move leftwards after the cleaning head is moved, and the cleaning head is separated from the cleaning head is required to move the specified position, and can only move the cleaning head to move leftwards, and the cleaning head can be separated from the cleaning head is moved to the cleaning head after the cleaning head is separated from the locking block, and can be moved to move the cleaning head to the side. Then pulling the pull rod, making the pull rod drive locating plate and stopper removal, making the stopper keep away from the latch segment, simultaneously, the locating plate then can be contacted with the constant head tank to can remove clearance head and push rod, make the push rod promote the latch segment and remove to the left, and then make push rod and clearance head take out from the second jar body, conveniently clear up the clearance head, conveniently use repeatedly, improve the life of clearance head.
In the 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 way, and the outer wall of the second pipelines is fixedly connected with a blower. The impurity on active carbon layer is swept through nitrogen gas, and when impurity was swept, the air-blower was started, makes the air-blower absorb the impurity in the second jar body through the second pipeline, avoids impurity to stagnate in the second jar body.
In the preferred technical scheme of the invention, the outer wall of the first heat conduction pipe is fixedly connected with two second heat conduction pipes, and the second heat conduction pipes are connected with the heat exchange tank in a penetrating way. Through the cooperation of second heat conduction pipe and first heat conduction pipe, make the heat energy flow of second heat conduction pipe into among the first heat conduction pipe, conveniently carry out heat conduction to first heat conduction pipe.
In the preferred technical scheme of the invention, the outer wall of the second heat conduction pipe is fixedly connected with a steam source machine, and the two steam source machines are arranged in total. Through the effect of steam source machine, start the steam source machine, make heat energy inflow among the second heat conduction pipe, make things convenient for heat transfer to the active carbon layer on, be applicable to the adsorption mode of low temperature absorption, high temperature desorption.
In a preferred technical scheme of the invention, the second heat conduction pipes are distributed in a folded shape. The second heat conduction pipes are arranged in a folding distribution mode, so that heat exchange efficiency is improved.
In the preferred technical scheme of the invention, the output end of the driving motor is provided with two second rotating rods, the outer walls of the second rotating rods are fixedly connected with arc plates, the outer walls of the arc plates are provided with through holes, and the plurality of through holes are arranged. Through starting driving motor, make driving motor drive second bull stick and arc rotate, when the arc rotated, the air current of first jar body can take place the change of downwardly flowing, through the change of air current, improves methanol waste gas inspiratory efficiency, and through the effect of through-hole, make things convenient for the flow of air current.
In the preferred technical scheme of the invention, the inner wall of the second tank body is provided with uniform layering. Through the effect of the uniform layering, the flow of the gas in the second tank body is facilitated, and the gas can uniformly pass through.
In the preferred technical scheme of the invention, the uniform layers are made of stainless steel, and the uniform layers are diamond-shaped nets. Through the setting that the uniform layering is stainless steel material, improve the life of uniform layering.
The beneficial effects of the invention are as follows:
1. this methanol tank field VOCs waste gas treatment device, when nitrogen gas through nitrogen generator makes nitrogen gas, the nitrogen gas of production is through nitrogen gas heater, when being heated by nitrogen gas heater, nitrogen gas after the heating then flows into the ventilation groove in the clearance head through first pipeline, nitrogen gas blowout through the ventilation groove, when the nitrogen gas in the ventilation groove flows, the fly leaf then rotates through the nitrogen gas that flows, through the rotation of fly leaf, make nitrogen gas spun direction change, thereby make nitrogen gas can not only sweep in one place on active carbon layer, sweep through nitrogen gas, make impurity such as vapor and oxygen on the active carbon layer be swept out thereupon, make impurity no longer adsorb on the active carbon layer, thereby improve active carbon layer's life, and can install temperature sensor additional in the second jar, thereby monitor the internal temperature of second jar, avoid appearing the condition of temperature too high.
2. This methanol tank field VOCs waste gas treatment device, through rotating the movable pull rod, make the pull rod drive locating plate and stopper, through removing the locating plate, make locating plate and constant head tank separation, through removing limit block front end and latch segment one side contact, while both contact, rotate the pull rod, make the pull rod drive the locating plate rotate, through the locating plate rotation, make the locating plate rotate from parallel form to vertical form, when the locating plate is vertical form, the locating plate then can be cross-shaped with the constant head tank, simultaneously, the locating plate outer wall also can contact with the internal wall of second jar, through both contacts, support the pull rod, locating plate and stopper, simultaneously, through the contact of stopper and latch segment, make three unable right-hand member, thereby make three keep at the assigned position and unable removal, after three position restriction, the cleaning head penetrates through the second tank body, so that the cleaning head penetrates into the second tank body, the activated carbon layer is cleaned conveniently, meanwhile, when the cleaning head penetrates into the inner cavity of the second tank body, the push rod is contacted 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 inclined, after the push rod and the cleaning head move to the designated position, the push rod is separated from the locking block, after the push rod and the cleaning head are separated, the cleaning head is moved, the push rod drives the push rod to move leftwards, and in the process of moving leftwards, the push rod is contacted with the locking block again, 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 designated position, and when the cleaning head is required to take out and clean the activated carbon layer after the cleaning head is cleaned for a long time, the pull rod is rotated, so that the pull rod drives the locating plate to rotate to be horizontal, then the pull rod is pulled, the pull rod drives the locating plate and the limiting block to move, the limiting block is far away from the locking block, meanwhile, the locating plate can be contacted with the locating groove, the cleaning head and the push rod can be moved, the push rod pushes the locking block to move leftwards, the push rod and the cleaning head are taken out from the second tank body, the cleaning head is conveniently cleaned, the cleaning head is conveniently used repeatedly, and the service life of the cleaning head is prolonged.
3. This methanol tank field VOCs waste gas treatment device, through the effect of steam source machine, start steam source machine, make among the heat energy inflow second heat conduction pipe, make things convenient for heat transfer to the active carbon layer on, be applicable to the adsorption mode of low temperature absorption, high temperature desorption.
Drawings
Fig. 1 is a first view angle schematic diagram of the overall three-dimensional structure of a methanol tank field VOCs waste gas treatment device provided by the invention;
fig. 2 is a second view angle schematic diagram of the overall three-dimensional structure of the device for treating the waste gas of the VOCs in the methanol tank area;
fig. 3 is a schematic view of a third perspective view of the overall three-dimensional structure of the device for treating the waste gas of the VOCs in the methanol tank area;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is a schematic view of a bevel profile structure of the present invention;
FIG. 6 is a schematic perspective view of an arcuate plate of the present invention;
fig. 7 is an enlarged schematic view of the structure of fig. 5 a 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 box; 106. a driving motor; 107. a first heat conduction pipe; 108. a heat exchange tank; 109. a second pipe; 110. a blower; 111. a second heat conduction pipe; 112. a steam source machine; 113. a second rotating rod; 114. an arc-shaped plate; 115. a through hole; 116. layering; 2. a desorption mechanism; 201. a cleaning head; 202. a movable plate; 203. a vent groove; 204. a first rotating lever; 205. a first pipe; 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. a positioning plate; 214. and a positioning groove.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a methanol tank field VOCs waste gas treatment device, including first jar body 1, first jar body 1 top is provided with air inlet 101, first jar body 1 bottom is provided with second jar body 102, second jar body 102 bottom fixedly connected with gas vent 103, second jar body 102 inner wall is provided with activated carbon layer 104, activated carbon layer 104 is equipped with two altogether, first jar body 1 outer wall is provided with condensing tank 105, the inside condenser that is provided with of condensing tank 105, first jar body 1 top fixedly connected with driving motor 106, driving motor 106 is equipped with two altogether, through-connection has first heat pipe 107 on the second jar body 102, first heat pipe 107 outer wall through-connection has heat transfer pot 108, heat transfer pot 108 is equipped with two altogether, second jar body 102 outer wall through-connection has desorption mechanism 2.
Referring to fig. 1 and 7, the desorption mechanism 2 comprises a cleaning head 201 and a movable plate 202, the cleaning head 201 is provided with a plurality of cleaning heads 201 and is connected with a second tank 102 in a penetrating way, the inner wall of the cleaning head 201 is provided with a ventilation groove 203, a first rotating rod 204 is arranged on the ventilation groove 203, the first rotating rod 204 is fixedly connected with the movable plate 202, the movable plate 202 is provided with a plurality of cleaning heads 201, the outer wall of the cleaning head 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, the nitrogen generator 207 is provided with two nitrogen generators, when nitrogen is manufactured by the nitrogen generator 207, generated nitrogen flows into the ventilation groove 203 in the cleaning head 201 through the first pipeline 205, nitrogen is sprayed out through the ventilation groove 203, when nitrogen in the ventilation groove 203 flows, the movable plate 202 rotates through flowing nitrogen, the direction of the movable plate 202 changes, so that the nitrogen cannot be blown out of the active carbon layer 104, the second carbon layer 104 is blown out of the active carbon layer through the active layer, the second carbon layer is prevented from being blown out by the active layer 104, the temperature sensor is further, the second carbon layer is prevented from being blown out by the active layer 102, and the temperature sensor is high, the temperature of the active layer is prevented from being blown out; 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 fixed plate 210, the fixed plate 210 is fixedly connected with a second tank 102, the bottom of the fixed 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 penetratingly connected with a positioning groove 214, 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, the pull rod 212 is penetratingly connected with the second tank 102, the pull rod 212 is driven to drive the positioning plate 213 and the limiting block 211 by rotating the pull rod 212, the positioning plate 213 is separated from the positioning groove 214 by moving the positioning plate 213, the front end of the limiting block 211 contacts with one side of the locking block 209, the front end contacts with the locking block, and simultaneously the front end contacts with the positioning block, the front end of the limiting block and the limiting block, the front end of the limiting block, the limiting block 211 rotates the pull block and the limiting block. The positioning plate 213 rotates to enable the positioning plate 213 to rotate from a parallel state to a vertical state, when the positioning plate 213 is in the vertical state, the positioning plate 213 and the positioning groove 214 are crossed, meanwhile, the outer wall of the positioning plate 213 is contacted with the inner wall of the second tank 102, the pull rod 212, the positioning plate 213 and the limiting block 211 are supported by the contact of the positioning plate 213 and the positioning plate 213, so that the pull rod 212, the positioning plate 213 and the limiting block 211 cannot move leftwards, and meanwhile, the limiting block 211 and the limiting block 209 cannot move rightwards, so that the three cannot move, and the cleaning head 201 can penetrate through the second tank 102 after the positions of the three are limited, so that the cleaning head 201 penetrates into the second tank 102, the activated carbon layer 104 is cleaned conveniently, meanwhile, when the cleaning head 201 penetrates into the inner cavity of the second tank 102, the push rod 208 contacts with the locking block 209, and the cleaning head 201 moves, 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, after the push rod 208 and the cleaning head 201 move to a designated position, the push rod 208 is 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, the push rod 208 is contacted with the locking block 209 again in the leftward moving process of the push rod 208, at the moment, the left side of the locking block 209 is abutted by the limiting block 211, the locking block 209 can only move rightwards, so that the push rod 208 and the cleaning head 201 can only be kept at the designated positions, when the cleaning head 201 is cleaned for a long time on the activated carbon layer 104, the cleaning head 201 is required to be taken out for cleaning, the cleaning head 201 is rotated, the pull rod 212 drives the positioning plate 213 to rotate to be horizontal, then the pull rod 212 drives the positioning plate 213 and the limiting block 211 to move, and the limiting block 211 is far away from the locking block 209, and meanwhile, the positioning plate 213 is contacted with the positioning groove 214, so that the cleaning head 201 and the push rod 208 can move leftwards, the locking block 209 can not move, and the cleaning head 208 can be cleaned, and the cleaning head 201 can be conveniently and repeatedly taken out of the cleaning head 201 from the second tank body 102, and the cleaning head 201 can be cleaned conveniently.
Referring to fig. 2, 3, 4 and 6, the outer wall of the second tank 102 is connected with a plurality of second pipelines 109 in a penetrating way, the outer wall of the second pipeline 109 is fixedly connected with a blower 110, the impurities of the activated carbon layer 104 are purged by utilizing nitrogen, and the blower 110 is started when 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 stagnating 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 in penetrating connection with the heat exchange tank 108, and heat energy of the second heat conduction pipe 111 flows into the first heat conduction pipe 107 by utilizing the cooperation of the second heat conduction pipes 111 and the first heat conduction pipe 107, so that heat conduction to the first heat conduction pipe 107 is facilitated; the outer wall of the second heat-conducting pipe 111 is fixedly connected with two steam source machines 112, and the steam source machines 112 are started by utilizing the action of the steam source machines 112, so that heat energy flows into the second heat-conducting pipe 111, and is convenient for heat transfer to the activated carbon layer 104, and is suitable for adsorption modes of low-temperature adsorption and high-temperature desorption; the second heat conduction pipes 111 are distributed in a folding mode, and the heat exchange efficiency is improved by utilizing the arrangement of the second heat conduction pipes 111 in the folding mode; 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 plate 114, the outer wall of the arc 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 plate 114 to rotate, when the arc plate 114 rotates, the air flow of the first tank body 1 can be changed in downward flow, the methanol waste gas suction efficiency is improved through the change of the air flow, and the air flow is convenient through the action of the through holes 115; the inner wall of the second tank body 102 is provided with the uniform layering 116, and the uniform layering 116 is utilized to facilitate the flow of the gas in the second tank body 102 and enable the gas to uniformly pass through; the even layer 116 is made of stainless steel, the even layer 116 is a diamond-shaped net, and the service life of the even layer 116 is prolonged by means of the arrangement that the even layer 116 is made of stainless steel.
When 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 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 direction of the nitrogen spraying is changed through the rotation of the movable plate 202, so that the nitrogen cannot be only purged at one position of the activated carbon layer 104, impurities such as water vapor and oxygen on the activated carbon layer 104 are purged along with the nitrogen through the purging of the nitrogen, the impurities are not adsorbed on the activated carbon layer 104 any more, the service life of the activated carbon layer 104 is prolonged, a temperature sensor can be additionally arranged in the second tank 102, and the temperature in the second tank 102 is monitored, so that the condition of overhigh temperature is avoided.
In addition, the front end of the device is also provided with a pretreatment component, the front end of the device can be added with a water washing absorption tower, and the device is used for treatment after water washing. Meanwhile, the device can be provided with an exhaust gas monitoring and recycling device at the micro end, so that the exhaust gas is monitored, and when the exhaust gas does not meet the emission standard, the exhaust gas can be input back into the device again for reprocessing. The output waste gas reaches the emission standard. The environment is not polluted.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a methanol tank field VOCs waste gas treatment device, includes first jar body (1), its characterized in that, first jar body (1) top is provided with air inlet (101), first jar body (1) bottom is provided with second jar body (102), second jar body (102) bottom fixedly connected with gas vent (103), second jar body (102) inner wall is provided with active carbon layer (104), active carbon layer (104) are equipped with two altogether, first jar body (1) outer wall is provided with condensing tank (105), the inside condenser that is provided with of condensing tank (105), first jar body (1) top fixedly connected with driving motor (106), driving motor (106) are equipped with two altogether, the last first heat pipe (107) that runs through of second jar body (102), first heat pipe (107) outer wall run through is connected with heat transfer tank (108), heat transfer tank (108) are equipped with two altogether, second jar body (102) outer wall run through is connected with desorption mechanism (2);
the desorption mechanism (2) comprises a cleaning head (201) and a movable plate (202), wherein the cleaning head (201) is provided with a plurality of cleaning heads, the cleaning heads (201) are in penetrating connection with the second tank body (102), the inner wall of each cleaning head (201) is provided with a ventilation groove (203), the ventilation grooves (203) are provided with first rotating rods (204), the first rotating rods (204) are fixedly connected with the movable plate (202), the movable plate (202) is provided with a plurality of cleaning heads, the outer wall of each cleaning head (201) is fixedly connected with a first pipeline (205), the outer wall of each first pipeline (205) is fixedly connected with a nitrogen heater (206), the outer wall of each nitrogen heater (206) is fixedly connected with a nitrogen generator (207), and the nitrogen generators (207) are provided with two cleaning heads;
the cleaning head is 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 with 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 formed in the outer wall of the pull rod (212) in a penetrating mode, the positioning groove (214) is matched with the positioning plate (213), and the positioning groove (214) is arranged in a crossed mode with the positioning plate (213), and the pull rod (212) is in penetrating mode with the second tank body (102).
The outer wall of the second tank body (102) is connected with a second pipeline (109) in a penetrating mode, a plurality of second pipelines (109) are arranged in a total mode, and an air blower (110) is fixedly connected to the outer wall of the second pipeline (109).
2. The methanol tank farm VOCs waste gas treatment device according to claim 1, wherein the outer wall of the first heat conducting pipe (107) is fixedly connected with second heat conducting pipes (111), two second heat conducting pipes (111) are arranged in total, and the second heat conducting pipes (111) are connected with the heat exchange tank (108) in a penetrating way.
3. The methanol tank farm VOCs waste gas treatment device according to claim 2, wherein the outer wall of the second heat conducting pipe (111) is fixedly connected with a steam source machine (112), and the two steam source machines (112) are arranged in total.
4. A methanol tank farm VOCs waste gas treatment device according to claim 2, characterized in that the second heat conducting pipes (111) are arranged in a folded shape.
5. The methanol tank field VOCs waste gas treatment device according to claim 1, wherein the output end of the driving motor (106) is provided with a second rotating rod (113), the second rotating rods (113) are provided with two in total, the outer wall of the second rotating rod (113) is fixedly connected with an arc-shaped plate (114), the outer wall of the arc-shaped plate (114) is provided with through holes (115), and the through holes (115) are provided with a plurality of through holes in total.
6. A methanol tank farm VOCs waste gas treatment device according to claim 1, characterized in that the inner wall of the second tank body (102) is provided with a uniform layer (116).
7. The methanol tank farm VOCs waste gas treatment device according to claim 6, wherein the equipartition layer (116) is made of stainless steel, and the equipartition layer (116) is a diamond-shaped net.
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