CN117298820A - Chemical industry tail gas absorbing device with intelligence pressure regulating adsorption function - Google Patents
Chemical industry tail gas absorbing device with intelligence pressure regulating adsorption function Download PDFInfo
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- CN117298820A CN117298820A CN202311520683.9A CN202311520683A CN117298820A CN 117298820 A CN117298820 A CN 117298820A CN 202311520683 A CN202311520683 A CN 202311520683A CN 117298820 A CN117298820 A CN 117298820A
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- 239000000126 substance Substances 0.000 title claims abstract description 58
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 title claims description 57
- 238000010521 absorption reaction Methods 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims description 91
- 230000007246 mechanism Effects 0.000 claims description 90
- 238000012856 packing Methods 0.000 claims description 41
- 238000004140 cleaning Methods 0.000 claims description 40
- 238000005507 spraying Methods 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 10
- 230000005389 magnetism Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 71
- 230000000903 blocking effect Effects 0.000 description 14
- 239000000945 filler Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013618 particulate matter 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- 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
- B01D53/0454—Controlling adsorption
-
- 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
- B01D53/14—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 absorption
- B01D53/1412—Controlling the absorption process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to the technical field of chemical tail gas absorption, in particular to a chemical tail gas absorption device with an intelligent pressure-regulating adsorption function, which comprises a base, an absorption tower and a fan, wherein the absorption tower is arranged above the base.
Description
Technical Field
The invention relates to the technical field of chemical tail gas absorption, in particular to a chemical tail gas absorption device with an intelligent pressure-regulating adsorption function.
Background
The chemical tail gas absorbing device is one kind of equipment for treating waste gas and harmful gas produced in chemical production, and has the main functions of absorbing harmful matter in waste gas with absorbent and important function in purifying and treating waste gas.
The existing chemical tail gas absorbing device has the following data, which can be referred to by the working principle, and patent 'CN 210964510U chemical tail gas treatment absorbing tower (publication date 2020.07.10)', 'CN 218740975U chemical tail gas absorbing device (publication date 2023.03.28)', but in the actual working process, the chemical tail gas absorbing device has the following disadvantages, for example: at present, the method for guiding chemical tail gas into the absorption tower is basically a conduit and a filter screen, but the operation method is easy to cause a blocking phenomenon after long-time working, after encountering the blocking phenomenon, workers usually directly shut down the chemical tail gas absorption device and overhaul the chemical tail gas absorption device, but in the actual working process, when the chemical tail gas absorption device is shut down, equipment in a chemical workshop cannot be shut down immediately, a time difference is usually caused between the equipment and the equipment, and the tail gas generated in the chemical workshop stays in the workshop at the moment, so that the health of the workers is affected; in addition, the absorption liquid circulation system used by the existing chemical tail gas absorption device is often provided with a filtering component, but the component needs to be replaced and cleaned once by a worker at intervals, so that the working efficiency is affected; finally, in order to improve the absorption effect, the existing chemical tail gas absorption device is generally provided with a filler in an absorption tower, but after each work is finished, absorption liquid is often remained in the filler, and if the absorption liquid is not cleaned timely, the next tail gas absorption work is easily affected.
Disclosure of Invention
The invention aims to provide a chemical tail gas absorption device with an intelligent pressure-regulating adsorption function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a chemical industry tail gas absorbing device with intelligence pressure regulating adsorption function, chemical industry tail gas absorbing device includes base, absorption tower and fan, the absorption tower sets up in the top of base, the fan sets up in the outside of base, through the tail gas that produces in the workshop is inhaled to the absorption tower in the fan, the top of absorption tower is provided with the blast pipe, the one end that is close to the blast pipe inside the absorption tower is provided with spraying mechanism, the inside of base is provided with air guide mechanism, reservoir and liquid pump, the inside of reservoir is provided with the absorption liquid (the kind of absorption liquid freely changes according to the tail gas kind that the workshop produced), air guide mechanism's one end is connected with the fan, air guide mechanism's the other end is connected with the lower extreme of absorption tower through the intake pipe, the reservoir is connected with the absorption tower through retrieving passageway, one end of the liquid pump is connected with the liquid storage chamber, the other end of the liquid pump is connected with the spraying mechanism through the liquid inlet groove and the liquid inlet pipe, the liquid pump continuously inputs the absorption liquid in the liquid storage chamber into the spraying mechanism (the spraying mechanism can be selected by the prior art), the absorption liquid is sprayed out of the spraying mechanism and fills the inside of the absorption tower, the absorption liquid absorbs harmful substances in the tail gas to avoid environmental pollution, the inside of the air guide mechanism is provided with a pressure regulating component, the pressure regulating component detects whether the inside of the air guide mechanism has a blocking phenomenon, when the inside of the air guide mechanism has a slight or moderate blocking phenomenon, the pressure regulating component controls the fan to reduce the sucked tail gas amount, the structure inside the air guide mechanism is prevented from being damaged due to overlarge air pressure, when the inside of the air guide mechanism has a severe blocking phenomenon, the pressure regulating subassembly just can control fan stop work, through above-mentioned technical scheme, can effectively avoid one to meet the jam phenomenon and just shut down chemical industry tail gas absorbing device, and then lead to the staff not loose time to shut down the equipment in the chemical industry workshop to the tail gas that the chemical industry workshop produced has part to remain in the chemical industry workshop, influences staff's health.
Further, the air guide mechanism comprises an air inlet channel, a reversing chamber and a converging chamber, the pressure regulating assembly comprises a pressure regulating chamber and a filter plate, the reversing chamber is connected with a fan through the air inlet channel, and is connected with the pressure regulating chamber. The invention reduces the pollution degree of absorbing liquid in the subsequent liquid storage chamber and simultaneously reduces the blocking phenomenon, when the trapped large particulate matters on the filter plate are too much, the tail gas can generate unsmooth circulation phenomenon, if the tail gas air quantity sucked by a fan is unchanged, the air pressure of the area of the filter plate close to the reversing chamber can be increased, the filter plate can move towards the direction of the communicating groove, the invention is provided with a first conductive block at one end of the filter plate close to the sliding rod, which is far away from the communicating groove, and a second conductive block at one end of the sliding rod, meanwhile, a control system of the fan is connected with an external power supply through the first conductive block and the second conductive block, the sliding rod has conductivity, when the filter plate moves, the distance between the first conductive block and the second conductive block can be changed, the current received by the control system of the fan can be changed according to the change degree of the current, the air blower can correspondingly reduce the amount of the sucked tail gas (the specific corresponding relation is determined by the staff).
Further, the air guide mechanism further comprises a first motor, a reversing plate is arranged in the reversing chamber, the reversing plate is connected with the first motor, the reversing plate is controlled by the first motor to be positioned, the pressure regulating assemblies are arranged in two groups, the pressure regulating assemblies are oppositely arranged on two sides of the reversing chamber, one end, far away from the reversing chamber, of each pressure regulating assembly is connected with the converging chamber through a group of communicating grooves, each group of communicating grooves is provided with a group of one-way valves, tail gas can be controlled to move along a group of specific pressure regulating assemblies (the group of pressure regulating assemblies are marked as pressure regulating assemblies in an operating state) through the position of the reversing plate, when the pressure regulating assemblies in the operating state are blocked after a period of operation, the position of the reversing plate can be controlled by the first motor, so that the other group of pressure regulating assemblies in the non-operating state work, equipment of a chemical industry workshop is avoided, and finally, the pressure regulating assemblies in the operating state can be easily regulated after the blocking assemblies are maintained by workers.
Furthermore, the inside of base still is provided with purifying mechanism, purifying mechanism includes second motor, toothed disc and fixed slot, retrieve the passageway and run through in the one end of fixed slot, the toothed disc sets up in the fixed slot, the second motor is connected with the toothed disc through the gear, the both ends of toothed disc are provided with two sets of logical grooves relatively, every group the inside of logical groove all is provided with a set of filter screen, and during operation, a certain set of logical groove on the toothed disc can align with retrieving passageway and reservoir (this set of logical groove is noted as the work logical groove), can carry out filtration treatment to the absorption liquid that uses through the filter screen that sets up in the work logical groove, avoid the particulate matter preceding process purification of tail gas to be incomplete, flow into in the reservoir, after a period of operation, through second motor and gear control toothed disc are rotatory for make the unoperated logical groove be located between retrieving passageway and the reservoir, through above-mentioned technical scheme, avoid the phenomenon that the filter screen in a certain set of logical groove keeps working so that the absorption liquid circulation is unsmoothly appears.
Further, the purification mechanism further comprises a waste liquid channel, a self-cleaning chamber and a self-cleaning channel, wherein the self-cleaning chamber is arranged at one end of the fixed groove far away from the recovery channel, the waste liquid channel is arranged at one end of the self-cleaning chamber far away from the liquid inlet groove, the self-cleaning channel is arranged at one end of the self-cleaning chamber near the liquid inlet groove, the self-cleaning channel is connected with the liquid inlet groove, a valve is arranged on the self-cleaning channel, the valve on the self-cleaning channel is always in a closed state under normal conditions, the valve on the liquid inlet groove is always in an open state, meanwhile, the working through groove is arranged between the recovery channel and the liquid storage chamber, the non-working through groove is arranged in the self-cleaning chamber, when the filter screen in the working through groove is used for trapping excessive impurities, the working through groove and the non-working through groove are transposed through a second motor and a gear, at the moment, the working through groove can be arranged in the self-cleaning chamber, the part of the absorption liquid in the liquid pump is increased, the part of the absorption liquid in the liquid storage chamber is enabled to be along the self-cleaning channel, the self-cleaning chamber and the waste liquid channel is arranged, and the part of the absorption liquid can be used for flushing a large amount of the trapped impurities, so that the filter screen can be conveniently cleaned (the filter screen can be conveniently placed at the side of the filter screen for the subsequent filter screen to be conveniently used for treating the filter screen, and the recovery device is convenient for the recovery side).
Furthermore, a retaining mechanism is arranged on one side, close to the exhaust pipe, of the spraying mechanism, a packing mechanism is arranged on one side, far away from the exhaust pipe, of the spraying mechanism, absorption liquid in an atomized state carried by tail gas is prevented from going out of the exhaust pipe through the retaining mechanism, the contact area between the tail gas and the absorption liquid is increased through the packing mechanism, so that the absorption efficiency is improved, finally, if dust and sticky impurities are contained in the tail gas, the impurities are easily attached to the surface of a packing ball, further, the follow-up tail gas cannot be smoothly discharged from the packing mechanism.
Further, the packing mechanism comprises a packing disc and a sealing frame, wherein the sealing frame is fixedly arranged on the inner wall of the absorption tower, the packing disc is arranged in the sealing frame and is connected with a third motor through a rotating shaft, cavities are formed in two ends of the packing disc, packing is filled in each group of cavities, the cavities cannot be filled with the packing, an elastic pad is arranged on the outer side of the packing disc, and the thickness of the packing disc is smaller than that of the sealing frame.
Furthermore, the interception mechanism comprises an interception disc, an electromagnet and a fixing frame, wherein the fixing frame is fixedly arranged on the inner wall of an absorption tower, the electromagnet is annularly arranged above the fixing frame, a plurality of groups of air guide grooves are formed in the interception disc, a fixing ring is arranged on the outer wall of the interception disc and connected with the electromagnet and the fixing frame through a balance spring rod, and the fixing ring is magnetic.
Compared with the prior art, the invention has the following beneficial effects: compared with the prior chemical tail gas absorbing device provided with the pressure regulating component, the invention detects whether the blocking phenomenon occurs in the area for guiding the chemical tail gas or not through the pressure regulating component, when the slight or moderate blocking phenomenon occurs in the air guide mechanism, the pressure regulating component controls the fan to reduce the sucked tail gas amount, so as to avoid the damage of the structure in the air guide mechanism caused by overlarge air pressure, when the severe blocking phenomenon occurs in the air guide mechanism, the pressure regulating component controls the fan to stop working, by adopting the technical scheme, the invention can effectively avoid stopping the chemical tail gas absorbing device as soon as the blocking phenomenon occurs, further lead staff to not stop equipment in the chemical workshop for a loose time, so that part of tail gas generated in the chemical workshop remains in the chemical workshop to influence the health of the staff, meanwhile, a reversing plate is arranged in the reversing chamber, the tail gas can be controlled to move along a certain group of specific pressure regulating assemblies by adjusting the position of the reversing plate, on one hand, the shutdown phenomenon of equipment in a chemical workshop is reduced, on the other hand, workers can maintain the blocked pressure regulating assemblies without influencing the normal operation of a chemical tail gas absorbing device, the invention also is provided with a purifying mechanism, the purifying mechanism is used for filtering the used absorption liquid, and simultaneously has a self-cleaning function, thus the working efficiency can be effectively improved, the degree of manual intervention is reduced, the invention is provided with a packing disc and a third motor, the packing disc is intermittently driven to rotate, the packing in a cavity can move under the action of gravity, the viscous impurities in the tail gas can be effectively prevented from being attached to the packing in the moving process of the packing, so that the sticking phenomenon occurs between the fillers, after the work is finished, the third motor can drive the fillers to rotate at a larger angle, the fillers in the filler disc can move at a larger amplitude at the moment, so that absorption liquid is effectively prevented from being detained on the fillers and being influenced by subsequent work.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the base structure of the present invention;
FIG. 4 is a schematic view of the structure of section A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the portion B-B in FIG. 3 according to the present invention;
FIG. 6 is a schematic view of the structure of section C-C of FIG. 3 in accordance with the present invention;
FIG. 7 is a schematic illustration of the packing mechanism of the present invention;
fig. 8 is a schematic view of the entrapping mechanism of the present invention.
In the figure: 1-base, 11-air guide mechanism, 111-air intake channel, 112-reversing plate, 113-reversing chamber, 114-converging chamber, 115-first motor, 116-pressure regulating chamber, 1161-filter plate, 117-check valve, 12-liquid storage chamber, 13-purifying mechanism, 131-second motor, 132-gear disc, 1321-filter screen, 133-gear, 134-fixed tank, 135-waste liquid channel, 136-self-cleaning chamber, 137-self-cleaning channel, 14-air intake pipe, 15-recovery channel, 16-liquid intake tank, 17-liquid pump, 2-absorption tower, 21-packing mechanism, 211-packing disc, 212-sealing frame, 22-spraying mechanism, 23-intercepting mechanism, 231-intercepting disc, 2311-air guide tank, 2312-fixed ring, 232-electromagnet, 233-fixed frame, 3-fan, 4-fixed seat, 41-third motor, 5-liquid intake pipe, 6-exhaust pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2 and 6, the chemical tail gas absorbing device with intelligent pressure-regulating adsorption function comprises a base 1, an absorption tower 2 and a fan 3, wherein the absorption tower 2 is arranged above the base 1, the fan 3 is arranged outside the base 1, tail gas generated in a chemical workshop is sucked into the absorption tower 2 through the fan 3, an exhaust pipe 6 is arranged at the top end of the absorption tower 2, a spraying mechanism 22 is arranged at one end, close to the exhaust pipe 6, of the absorption tower 2, a gas guide mechanism 11, a liquid storage chamber 12 and a liquid pump 17 are arranged at one end, close to the exhaust pipe 6, of the absorption tower 2, an absorption liquid (the type of the absorption liquid is freely changed according to the type of the tail gas generated in the chemical workshop) is arranged at the inner part of the liquid storage chamber 12, one end of the gas guide mechanism 11 is connected with the fan 3, the other end of the gas guide mechanism 11 is connected with the lower end of the absorption tower 2 through an air inlet pipe 14, the liquid storage chamber 12 is connected with the absorption tower 2 through the recovery channel 15, one end of the liquid pump 17 is connected with the liquid storage chamber 12, the other end of the liquid pump 17 is connected with the spraying mechanism 22 through the liquid inlet groove 16 and the liquid inlet pipe 5, the absorption liquid in the liquid storage chamber 12 is continuously input into the spraying mechanism 22 through the liquid pump 17 (the spraying mechanism 22 can be selected in the prior art), the absorption liquid is sprayed out and fills the inside of the absorption tower 2 through the spraying mechanism 22, the harmful substances in the tail gas are absorbed through the absorption liquid, so as to avoid environmental pollution, the pressure regulating component is arranged in the air guide mechanism 11, the pressure regulating component is used for detecting whether the inside of the air guide mechanism 11 is blocked or not, when the inside of the air guide mechanism 11 is slightly or moderately blocked, the pressure regulating component can control the fan 3 to reduce the sucked tail gas amount, the inside structure of the air guide mechanism 11 is prevented from being damaged due to overlarge air pressure, when the serious blocking phenomenon occurs in the air guide mechanism 11, the pressure regulating component can control the fan 3 to stop working, through the technical scheme, the chemical tail gas absorbing device can be effectively prevented from being stopped when the blocking phenomenon occurs, and then workers are caused to stop equipment in the chemical workshop in no loose time, so that part of tail gas generated in the chemical workshop is remained in the chemical workshop, and the health of the workers is affected.
As shown in fig. 2-4, the air guide mechanism 11 comprises an air inlet channel 111, a reversing chamber 113 and a converging chamber 114, the pressure regulating assembly comprises a pressure regulating chamber 116 and a filter plate 1161, the reversing chamber 113 is connected with a fan 3 through the air inlet channel 111, the reversing chamber 113 is connected with the pressure regulating chamber 116, when the invention works, tail gas in a chemical plant enters the absorption tower 2 along the fan 3-air inlet channel 111-reversing chamber 113-pressure regulating chamber 116-converging chamber 114-air inlet pipe 14, the filter plate 1161 is arranged in the pressure regulating chamber 116 through a sliding rod, a spring is wound at one end of the sliding rod close to a communicating groove, one end of the pressure regulating chamber 116 far away from the reversing chamber 113 is connected with the converging chamber 114 through the communicating groove, the converging chamber 114 is connected with the lower end of the absorption tower 2 through the air inlet pipe 14, the tail gas generated in the chemical plant generally has large particulate matters, the large particulate matters in the tail gas are trapped through the filter plate 1161, the invention reduces the pollution degree of absorbing liquid in the subsequent liquid storage chamber 12 and also reduces the blocking phenomenon, when the trapped large particulate matters on the filter plate 1161 are too much, the tail gas can be in a poor circulation phenomenon, if the tail gas air quantity sucked by the fan 3 is unchanged, the air pressure of the area of the filter plate 1161 close to the reversing chamber 113 can be increased, at the moment, the filter plate 1161 can move towards the direction of the communicating groove, the invention is provided with a first conductive block at one end of the filter plate 1161 close to the sliding rod, one end of the sliding rod away from the communicating groove is provided with a second conductive block, meanwhile, the control system of the fan 3 is connected with an external power supply through the first conductive block and the second conductive block, the sliding rod has conductivity, when the filter plate 1161 moves, the distance between the first conductive block and the second conductive block can be changed, the current received by the control system of the fan 3 can be changed, according to the degree of change of the current, the blower 3 can correspondingly reduce the sucked tail gas amount (the specific corresponding relation is determined by the staff).
As shown in fig. 2-4, the air guide mechanism 11 further includes a first motor 115, a reversing plate 112 is disposed in the reversing chamber 113, the reversing plate 112 is connected to the first motor 115, the position of the reversing plate 112 is controlled by the first motor 115, two groups of pressure regulating components are disposed on two opposite sides of the reversing chamber 113, one end of each group of pressure regulating components, far away from the reversing chamber 113, is connected to the converging chamber 114 through a group of communicating grooves, and a group of one-way valves 117 are disposed on each group of communicating grooves.
As shown in fig. 2-3 and fig. 5-6, a purifying mechanism 13 is further disposed in the base 1, the purifying mechanism 13 includes a second motor 131, a gear disc 132 and a fixed slot 134, the recovery channel 15 penetrates through one end of the fixed slot 134, the gear disc 132 is disposed in the fixed slot 134, the second motor 131 is connected with the gear disc 132 through a gear 133, two groups of through slots are disposed at two opposite ends of the gear disc 132, and a group of filter screens 1321 are disposed in each group of through slots.
As shown in fig. 2-3 and fig. 5-6, the purifying mechanism 13 further includes a waste liquid channel 135, a self-cleaning chamber 136 and a self-cleaning channel 137, the self-cleaning chamber 136 is disposed at one end of the fixing groove 134 far away from the recovery channel 15, the waste liquid channel 135 is disposed at one end of the self-cleaning chamber 136 far away from the liquid inlet groove 16, the self-cleaning channel 137 is disposed at one end of the self-cleaning chamber 136 near the liquid inlet groove 16, the self-cleaning channel 137 is connected with the liquid inlet groove 16, the self-cleaning channel 137 is provided with a valve, under normal conditions, the valve on the self-cleaning channel 137 is always in a closed state, the valve on the liquid inlet groove 16 is always in an open state, meanwhile, the working channel is disposed between the recovery channel 15 and the liquid storage chamber 12, the non-working channel is disposed in the self-cleaning chamber 136, when the filter screen 1321 in the working channel traps excessive impurities, the working channel and the non-working channel are transposed through the second motor 131 and the gear 133, at the moment, the working channel can be disposed in the self-cleaning chamber 136, the part of the liquid storage chamber 12 can be made to be in the self-cleaning channel 137 by increasing the liquid suction amount and opening the valve on the self-cleaning channel 137, and the valve on the self-cleaning channel 137 can be made to absorb the waste liquid along the part of the channel 135 and the filter screen 1321 in the subsequent process, and the waste liquid can be recovered conveniently by the subsequent flushing process.
As shown in fig. 1-2 and 7, a retaining mechanism 23 is arranged on one side of a spraying mechanism 22, which is close to an exhaust pipe 6, a packing mechanism 21 is arranged on one side of the spraying mechanism 22, which is far away from the exhaust pipe 6, absorption liquid in an atomization state of an exhaust gas carrying part is prevented from being discharged from the exhaust pipe 6 through the retaining mechanism 23, the contact area between the exhaust gas and the absorption liquid is increased through the packing mechanism 21, so that the absorption efficiency is improved, finally, if dust and viscous impurities are contained in the exhaust gas, the impurities are easily attached to the surface of packing balls, further, the subsequent exhaust gas cannot be smoothly discharged from the packing mechanism 21.
As shown in fig. 1-2 and 7, the packing mechanism 21 comprises a packing disc 211 and a sealing frame 212, the sealing frame 212 is fixedly arranged on the inner wall of the absorption tower 2, the packing disc 211 is arranged in the sealing frame 212 and is connected with the third motor 41 through a rotating shaft, cavities are arranged at two ends of the packing disc 211, packing is filled in each group of cavities, the packing cannot fill the cavities, an elastic pad is arranged on the outer side of the packing disc 211, and the thickness of the packing disc 211 is smaller than that of the sealing frame 212.
As shown in fig. 1-2 and 8, the retaining mechanism 23 comprises a retaining disc 231, an electromagnet 232 and a fixing frame 233, the fixing frame 233 is fixedly installed on the inner wall of the absorption tower 2, the electromagnet 232 is annularly arranged above the fixing frame 233, a plurality of groups of air guide grooves 2311 are formed in the retaining disc 231, a fixing ring 2312 is arranged on the outer wall of the retaining disc 231, the fixing ring 2312 is connected with the electromagnet 232 and the fixing frame 233 through balance spring rods, and the fixing ring 2312 has magnetism.
The working principle of the invention is as follows: before the operation, the fan 3 is connected with an exhaust pipeline of a chemical workshop, tail gas generated in the chemical workshop is sucked into the air inlet channel 111 through the fan 3, then the tail gas enters the absorption tower 2 along the reversing chamber 113, the pressure regulating chamber 116, the converging chamber 114 and the air inlet pipe 14, large particulate matters in the tail gas are trapped through the filter plate 1161 in the pressure regulating chamber 116, when the trapped large particulate matters on the filter plate 1161 are excessive, the phenomenon of unsmooth circulation of the tail gas can occur, if the air volume of the tail gas sucked by the fan 3 is unchanged, the air pressure of the area of the filter plate 1161 close to the reversing chamber 113 can be increased, at the moment, the filter plate 1161 can move towards the direction of the communicating groove, the distance between the first conductive block and the second conductive block can be changed, and the current received by the control system of the fan 3 can be changed because the control system of the fan 3 is connected with an external power supply through the first conductive block and the second conductive block, according to the change degree of the current, the blower 3 can correspondingly reduce the sucked tail gas amount, the absorption liquid in the liquid storage chamber 12 is continuously input into the spraying mechanism 22 through the liquid pump 17, the absorption liquid is sprayed out through the spraying mechanism 22 and fills the inside of the absorption tower 2, harmful substances in the tail gas are absorbed through the absorption liquid, the inside of the base 1 is also provided with the purifying mechanism 13, the used absorption liquid is filtered through the purifying mechanism 13, and meanwhile, the purifying mechanism 13 has a self-cleaning function, so as to avoid the trouble of manual cleaning. In the moving process of the filler in the cavity, the adhesion phenomenon between the fillers caused by adhesion of viscous impurities in the tail gas can be effectively avoided, and finally, after the working is finished, the third motor 41 can drive the filler disc 211 to rotate by a larger angle (the filler disc 211 can exceed the upper end face and the lower end face of the sealing frame 212), at the moment, the filler in the filler disc 211 can move by a larger amplitude, so that absorption liquid is effectively prevented from being detained on the filler, and the subsequent working is prevented from being influenced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Chemical industry tail gas absorbing device with intelligence pressure regulating adsorption function, its characterized in that: chemical industry tail gas absorbing device includes base (1), absorption tower (2) and fan (3), absorption tower (2) set up the top at base (1), fan (3) set up the outside at base (1), the top of absorption tower (2) is provided with blast pipe (6), the inside one end that is close to blast pipe (6) of absorption tower (2) is provided with spraying mechanism (22), the inside of base (1) is provided with air guide mechanism (11), liquid storage chamber (12) and liquid pump (17), the one end of air guide mechanism (11) is connected with fan (3), the other end of air guide mechanism (11) is connected with the lower extreme of absorption tower (2) through intake pipe (14), liquid storage chamber (12) are connected with absorption tower (2) through recovery passageway (15), the one end of liquid pump (17) is connected with liquid storage chamber (12), the other end of liquid pump (17) is connected with spraying mechanism (22) through inlet groove (16) and inlet tube (5), air guide mechanism (11) are connected with air regulation subassembly, air guide mechanism (11) are provided with air regulation subassembly.
2. The chemical tail gas absorbing device with intelligent pressure regulating and adsorbing functions as set forth in claim 1, wherein: the utility model provides an air guide mechanism (11) is including inlet channel (111), switching-over room (113) and conflux room (114), pressure regulating subassembly includes pressure regulating room (116) and filter plate (1161), switching-over room (113) are connected with fan (3) through inlet channel (111), switching-over room (113) are connected with pressure regulating room (116), filter plate (1161) are through the inside of slide bar setting in pressure regulating room (116), the one end that switching-over room (113) was kept away from to pressure regulating room (116) is connected with conflux room (114) through the UNICOM's groove, conflux room (114) are connected with the lower extreme of absorber (2) through intake pipe (14), the one end that filter plate (1161) is close to the slide bar is provided with first conducting block, the one end that the slide bar is kept away from the UNICOM groove is provided with the second conducting block, the control system of fan (3) is connected with external power source through first conducting block and second conducting block, the one end that the slide bar is close to the groove is twined and has the spring.
3. The chemical tail gas absorbing device with intelligent pressure regulating and adsorbing functions as set forth in claim 2, wherein: the air guide mechanism (11) further comprises a first motor (115), a reversing plate (112) is arranged in the reversing chamber (113), the reversing plate (112) is connected with the first motor (115), the pressure regulating components are arranged in two groups, the pressure regulating components are oppositely arranged on two sides of the reversing chamber (113), one end, far away from the reversing chamber (113), of each pressure regulating component is connected with the converging chamber (114) through a group of communicating grooves, and each group of communicating grooves is provided with a group of one-way valves (117).
4. The chemical tail gas absorbing device with intelligent pressure regulating and adsorbing functions as set forth in claim 1, wherein: the inside of base (1) still is provided with purifying mechanism (13), purifying mechanism (13) include second motor (131), gear dish (132) and fixed slot (134), retrieve passageway (15) and run through in the one end of fixed slot (134), gear dish (132) set up in fixed slot (134), second motor (131) are connected with gear dish (132) through gear (133), the both ends of gear dish (132) are provided with two sets of logical grooves relatively, every group lead to the inside in groove all to be provided with a set of filter screen (1321).
5. The chemical tail gas absorbing device with the intelligent pressure regulating adsorption function according to claim 4, wherein: the purifying mechanism (13) further comprises a waste liquid channel (135), a self-cleaning chamber (136) and a self-cleaning channel (137), wherein the self-cleaning chamber (136) is arranged at one end of the fixed groove (134) away from the recycling channel (15), the waste liquid channel (135) is arranged at one end of the self-cleaning chamber (136) away from the liquid inlet groove (16) above, the self-cleaning channel (137) is arranged at one end, close to the liquid inlet groove (16), below the self-cleaning chamber (136), the self-cleaning channel (137) is connected with the liquid inlet groove (16), and a valve is arranged on the self-cleaning channel (137).
6. The chemical tail gas absorbing device with intelligent pressure regulating and adsorbing function according to any one of claims 1 to 5, wherein: one side that sprays mechanism (22) is close to blast pipe (6) is provided with interception mechanism (23), one side that sprays mechanism (22) and keep away from blast pipe (6) is provided with packing mechanism (21), the outside of absorption tower (2) is provided with fixing base (4), be provided with third motor (41) in fixing base (4), third motor (41) are connected with packing mechanism (21) through the pivot.
7. The chemical tail gas absorbing device with the intelligent pressure regulating adsorption function according to claim 6, wherein: the packing mechanism (21) comprises a packing disc (211) and a sealing frame (212), the sealing frame (212) is fixedly arranged on the inner wall of the absorption tower (2), the packing disc (211) is arranged in the sealing frame (212) and is connected with a third motor (41) through a rotating shaft, cavities are formed in two ends of the packing disc (211), packing is filled in each cavity, an elastic pad is arranged on the outer side of the packing disc (211), and the thickness of the packing disc (211) is smaller than that of the sealing frame (212).
8. The chemical tail gas absorbing device with the intelligent pressure regulating adsorption function according to claim 6, wherein: the utility model discloses a high-efficiency absorption tower, including intercepting mechanism (23), including intercepting dish (231), electro-magnet (232) and mount (233), mount (233) fixed mounting is on the inner wall of absorption tower (2), electro-magnet (232) are the annular top that sets up in mount (233), the inside of intercepting dish (231) is provided with a plurality of groups air guide groove (2311), the outer wall of intercepting dish (231) is provided with solid fixed ring (2312), gu fixed ring (2312) are connected with electro-magnet (232) and mount (233) through balanced spring rod, gu fixed ring (2312) have magnetism, be provided with the piezoelectric patches on gu fixed ring (2312), the piezoelectric patches is connected with electro-magnet (232).
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| CN202311520683.9A CN117298820B (en) | 2023-11-15 | 2023-11-15 | Chemical industry tail gas absorbing device with intelligence pressure regulating adsorption function |
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| CN117298820B (en) | 2024-08-06 |
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