CN110935294A - VOCs exhaust-gas treatment system - Google Patents
VOCs exhaust-gas treatment system Download PDFInfo
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- CN110935294A CN110935294A CN201911383122.2A CN201911383122A CN110935294A CN 110935294 A CN110935294 A CN 110935294A CN 201911383122 A CN201911383122 A CN 201911383122A CN 110935294 A CN110935294 A CN 110935294A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/30—Controlling by gas-analysis apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—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
- B01D53/1487—Removing organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—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
- B01D53/1493—Selection of liquid materials for use as absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
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- 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
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Abstract
The invention discloses a VOCs waste gas treatment system, which comprises a bottom plate, an extension mechanism, a uniform drainage mechanism, a first waste gas treatment mechanism, an energy recycling mechanism, a second waste gas treatment mechanism, a third waste gas treatment mechanism and a treatment auxiliary mechanism, wherein a detection box is arranged on the right side of the upper wall of the bottom plate, an opening mechanism is arranged at the upper end of the detection box, a main gas pipe is arranged at a gas outlet at the upper end of the left wall of the detection box, a closed mechanism is arranged at the left end of the main gas pipe, a frame plate is arranged on the left side of the upper wall of the bottom plate, the extension mechanism is correspondingly arranged in the detection box, a PID concentration detector is correspondingly arranged at the top end of the extension mechanism, the VOCs waste gas treatment system ensures the detection quality, a waste gas detection module is additionally arranged before the waste gas treatment, the concentration of the waste gas is detected, the current air quality is analyzed, different treatment modes of, the workload of personnel is reduced, and the waste gas treatment quality is met.
Description
Technical Field
The invention relates to the technical field of waste gas treatment equipment, in particular to a VOCs waste gas treatment system.
Background
In the actual daily life, a certain amount of VOCs waste gas is formed and released by straw burning, building decoration, kitchen oil smoke and the like, a certain amount of VOCs waste gas is also discharged during the actual operation of engines of ships, airplanes and automobiles, a large amount of VOCs waste gas is also formed during the industrial production operation and the actual production of related industries such as chemical fiber, petroleum smelting and the like, the local environment is harmed, once the VOCs waste gas enters a human body, protein deformation or solidification in cells of the human body can directly occur, various adverse symptoms of the human body can be caused, meanwhile, some nitrobenzene and nitrile compounds can be contained in part of the VOCs waste gas, and once the VOCs waste gas enters the human body, the partial VOCs waste gas can directly invade the respiratory system and the nervous system of the human body, so that the symptoms of breathing difficulty, nervous system disorder, suffocation and the like of the human body can occur, even endanger people's life, this needs special VOCs exhaust-gas treatment system to assist, but traditional VOCs exhaust-gas treatment system has a lot of deficiencies, detection mechanism can not retract fast and stretch out, occupation space is great, can not provide natural external protection barrier for detecting element simultaneously, can not avoid directly exposing the emergence of injury such as the outside is hit and is decreased, the gas that draws in is not balanced to be led, can not guarantee detection quality, do not increase waste gas detection module before the exhaust-gas treatment, and then can not analyze current air quality through the detection to the waste gas concentration, can not accomplish different treatment methods of waste gas of different concentrations, the mechanism design is unreasonable, the energy can not be fully utilized, the mechanism is not convenient for dismantle and change the maintenance, the solvent can not fully contact and absorb waste gas, the personnel's burden is increased in the intangible, the waste gas treatment quality can not be effectively met, the concentration can not flash to warn personnel when being higher than a certain value, and data can not be automatically recorded and remotely shared, so that the realization of the VOCs waste gas treatment system capable of solving the problems is imperative.
Disclosure of Invention
The invention aims to overcome the existing defects and provide a VOCs waste gas treatment system, which ensures the detection quality, adds a waste gas detection module before the waste gas treatment, analyzes the current air quality by detecting the concentration of the waste gas, can realize different treatment modes of waste gas with different concentrations, has reasonable mechanism design, lightens the workload of personnel, meets the waste gas treatment quality, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a VOCs waste gas treatment system comprises a bottom plate, a stretching mechanism, a uniform drainage mechanism, a first waste gas treatment mechanism, an energy recycling mechanism, a second waste gas treatment mechanism, a third waste gas treatment mechanism and a treatment auxiliary mechanism, wherein a detection box is arranged on the right side of the upper wall of the bottom plate, an opening mechanism is arranged at the upper end of the detection box, a main gas pipe is arranged at a gas outlet at the upper end of the left wall of the detection box, a closed mechanism is arranged at the left end of the upper wall of the bottom plate, a frame plate is arranged on the left side of the upper wall of the bottom plate, the stretching mechanism is correspondingly arranged in the detection box, a PID concentration detector is correspondingly arranged at the top end of the stretching mechanism, the uniform drainage mechanism is correspondingly arranged at a gas inlet of the PID concentration detector, the first waste gas treatment mechanism is arranged on the right side of the upper wall of the bottom plate and is connected with a gas outlet on the wall of the main gas pipe, the energy recycling mechanism is arranged on the right side of the upper, the second waste gas treatment mechanism is arranged on the left side of the upper wall of the bottom plate and is connected with a gas outlet on the wall body of the main gas pipe, the third waste gas treatment mechanism is arranged at the upper end of the frame plate and is connected with a gas outlet on the wall body of the main gas pipe, the treatment auxiliary mechanism is correspondingly arranged inside the third waste gas treatment mechanism, the device also comprises a control box, a PLC (programmable logic controller), a memory, a GPRS data transmitter and a flashing alarm lamp, the control box is arranged on the right side of the upper wall of the bottom plate, the PLC, the memory and the GPRS data transmitter are sequentially arranged inside the control box from bottom to top, the flashing alarm lamp is arranged on the top wall of the control box, the PLC is electrically connected with an external power supply, the memory and the GPRS data transmitter are both electrically connected with the PLC in a bidirectional mode, the flashing alarm lamp is electrically connected with the PLC, the PID concentration detector is electrically, reduce occupation space when not using, provide natural external protection protective screen for detecting element simultaneously, avoid the emergence of direct exposed outside injuries such as the damage of knocking into, the balanced direction of the even flow of gas will be taken out, guarantee detection quality, increase the exhaust-gas detection module before exhaust-gas treatment, through the detection to exhaust-gas concentration, thereby the current air quality of analysis, the waste gas that can accomplish different concentrations has different treatment methods, mechanism reasonable in design, the energy obtains make full use of, mechanism convenient to detach changes the maintenance, guarantee that the solvent can both contact absorption waste gas, personnel's work burden has been alleviateed, exhaust-gas treatment quality has been satisfied, concentration can flash warning personnel when being higher than a definite value, data can give automatic recording and remote sharing.
Further, stretch-close mechanism includes interior extension board, motor, silk post, regulating plate and lift column frame, the interior extension board corresponds and sets up in the inside center of detection case, the motor sets up in the inside bottom surface of detection case, the diapire rotation that the upper end of silk post passes through bearing and interior extension board is connected, the output shaft fixed connection of shaft coupling and motor is passed through to the lower extreme of silk post, regulating plate and silk post threaded connection, the slider of regulating plate lateral wall and the inner wall spout sliding connection of detection case, the lift column frame corresponds and sets up in the upper wall of regulating plate, the cylinder of lift column frame and the slide opening sliding connection of interior extension board wall body, the top of lift column frame and the bottom surface fixed connection of PID concentration detector, the PLC controller is connected to the motor electricity, be convenient for stretch into and stretch out, provide the protection barrier.
Further, even drainage mechanism includes drainage cover, drainage fan and flow equalizing plate, the drainage cover correspondence sets up in PID concentration detector's air inlet department, and the wall body top of drainage cover is equipped with evenly distributed's gas pocket, and the drainage fan corresponds through the mounting bracket and sets up in the inside upper end of drainage cover, and the flow equalizing plate corresponds and sets up in the inside bottom of drainage cover, and the PLC controller is connected to the drainage fan electricity, realizes even drainage, guarantees detection quality.
Further, the first waste gas treatment mechanism comprises a combustion catalysis box, an air cavity, an air injection pipe, an electromagnetic air valve, an electric igniter, a leak hole inclined plate, a catalyst and a slag removal sealing cover, the combustion catalysis box is arranged on the right side of the upper wall of the bottom plate, the air cavity is correspondingly arranged at the bottom end of the inner wall of the combustion catalysis box, the inner side of the arc wall of the air cavity is provided with uniformly distributed air holes, an air inlet of the air cavity is connected with an air outlet on the wall body of the main air pipe through the air injection pipe, the air injection pipe penetrates through the outer wall of the combustion catalysis box, the electromagnetic air valve is connected in series with the upper end of the inner part of the air injection pipe, the electric igniter is arranged on the bottom surface of the inner part of the combustion catalysis box and corresponds to the air cavity, the leak hole inclined plate is correspondingly arranged in the center of the inner part of the combustion catalysis box, the catalyst is stacked on the upper wall surface, the electromagnetic gas valve and the electric igniter are both electrically connected with the PLC, so that the combustion catalysis waste gas treatment is realized.
Further, the mechanism is recycled to energy includes heat transfer case, small opening extension board, snakelike heat exchange tube, connecting pipe and outlet duct, the heat transfer case sets up in the upper wall right side of bottom plate, the upper end water filling port department of heat transfer case is equipped with the water injection pipe, the right wall bottom delivery port department of heat transfer case is equipped with the outlet pipe, the small opening extension board evenly sets up in the inside of heat transfer case, snakelike heat exchange tube correspondence sets up in the upper end of small opening extension board, two adjacent snakelike heat exchange tube openings link to each other through the connecting pipe, the snakelike heat exchange tube opening of top passes through the pipe and links to each other with the gas outlet of burning catalysis case left wall upper end, the pipe runs through the right wall of heat transfer case, the connecting pipe runs through the small opening extension board wall body that corresponds, the outlet duct sets.
Further, the second exhaust-gas treatment mechanism includes adsorption tank, activated carbon bobble, screw member, small hole clamp plate, active alumina bobble, gas-supply pipe and pneumatic valve, the adsorption tank sets up in the upper wall left side of bottom plate, and the case lid of taking the gas pocket is installed through the bolt correspondence to the upper end of adsorption tank, and the activated carbon bobble is stacked on the inside bottom surface of adsorption tank, and the screw member passes the through-hole that the small hole clamp plate wall body corresponds respectively and is connected with the screw hole of the inside bottom surface of adsorption tank, and the preforming of screw member wall body and the through-hole that small hole clamp plate wall body corresponds coincide and set up, and the active alumina bobble is stacked on the upper surface of small hole clamp plate, and the air inlet of adsorption tank right wall bottom passes through the gas-supply pipe and links to each other with the gas outlet on the main gas pipe wall body, and the pneumatic valve is established ties.
Furthermore, the third waste gas treatment mechanism comprises a solvent absorption box, a coiled pipe, a gas transmission branch pipe and a gas transmission electromagnetic valve, the solvent absorption box is arranged at the upper end of the frame plate, the upper end of the solvent absorption box is an opening mechanism, the coiled pipe is correspondingly arranged on the inner bottom surface of the solvent absorption box, uniformly distributed gas holes are formed in the wall body of the coiled pipe, a gas inlet of the coiled pipe is connected with a gas outlet in the wall body of the main gas pipe through the gas transmission branch pipe, the gas transmission branch pipe penetrates through the outer wall of the solvent absorption box, the gas transmission electromagnetic valve is connected in series with the inner top end of the gas transmission branch pipe, and the gas transmission electromagnetic valve is electrically connected with a PLC (programmable logic controller) controller to.
Further, handle complementary unit and include driving motor and stirring frame, driving motor sets up in the bottom surface center of solvent absorption case, and driving motor's output shaft passes through waterproof bearing and is connected with the diapire rotation of solvent absorption case, and the axis body bottom of stirring frame and driving motor's output shaft fixed connection, the stirring frame corresponds the setting with the inner chamber of solvent absorption case, and the PLC controller is connected to the driving motor electricity, guarantees that the solvent fully contacts and absorbs waste gas.
Further, still include closing cap and strengthening rib, the closing cap passes through the bolt correspondence and installs in the upper end opening part of detection case, and the middle part of closing cap is equipped with the access & exit, and the strengthening rib correspondence sets up in the junction of wall and frame plate lateral wall on the bottom plate, and convenient to detach changes, guarantees the bearing strength of junction.
Compared with the prior art, the invention has the beneficial effects that: this VOCs exhaust-gas treatment system has following benefit:
1. the device is regulated and controlled by a PLC controller, a motor operates, an output shaft rotates, the upper end of a screw post is rotationally connected with the bottom wall of an inner supporting plate through a bearing, the lower end of the screw post is fixedly connected with the output shaft of the motor through a coupler, an adjusting plate is in threaded connection with the screw post, a sliding block on the side wall of the adjusting plate is in sliding connection with an inner wall sliding groove of a detection box, the adjusting plate is moved upwards in a threaded manner, a PID concentration detector and an upper mechanism above a lifting column frame are driven to penetrate through a middle inlet and outlet of a sealing cover, operation and subsequent detection are facilitated, when the device is not used subsequently, the motor is turned over, the PID concentration detector and the upper mechanism are timely withdrawn, the occupied space is reduced, a natural external protective barrier is provided for a detection element, damages such as direct exposed outside collision and damage are avoided, and external ambient gas is pumped in, and the pumped gas is guided by the flow equalizing plate in a balanced and balanced manner, so that the detection quality is ensured.
2. The ultraviolet light source in the PID concentration detector irradiates, organic matters in pumped gas generate positive ions and negative ions under the excitation of the organic matters, the positive ions and the negative ions can be easily detected by a detection unit in the PID concentration detector, molecules generate ionization when absorbing high-energy ultraviolet rays, the molecules generate negative electrons and form positive ions under the excitation, currents generated by ionized particles can be detected, detected information is timely presented to a PLC controller to be integrated and analyzed, the concentration is judged according to the detection current amount in unit time, an exhaust gas detection module is added before exhaust gas treatment, and the current air quality is analyzed through the detection of the exhaust gas concentration.
3. The waste gas is discharged through the main gas pipe, according to the concentration, the waste gas is regulated and controlled through the PLC controller, when the concentration of the waste gas is larger, the electromagnetic gas valve is electrified, the gas injection pipe conductor is adopted, the VOCs waste gas is injected into the gas cavity through the gas injection pipe and is discharged through the uniformly distributed gas holes on the wall body of the gas cavity, the electric igniter is operated, the input VOCs, the non-methane total hydrocarbon and part of air are ignited, the electric igniter stops operating immediately after the volatile gas is ignited, the volatile gas is catalyzed and combusted by the aid of the catalyst on the leak hole inclined plate in the combustion process, the catalyst plays a role of reducing the activation energy of the reaction between VOC molecules and oxygen molecules in the air and changing the reaction path, the catalytic combustion treatment is adopted, the purification rate of the waste gas is higher, the final product is mainly CO and water vapor nontoxic gas, when the concentration is lower, the gas valve is electrified, the gas pipe is dredged, the VOCs waste gas is input into the adsorption box through, satisfy exhaust purification treatment demand, the gas vent discharge of gas through adsorption tank upper end case lid after the purification, when in the concentration, the circular telegram of gas transmission solenoid valve, the gas transmission is in charge of the mediation, VOCs waste gas is imported to the solvent absorption box through gas transmission in charge of and the coiled pipe, discharge through evenly distributed's gas vent on the coiled pipe wall body, higher with the boiling point, the lower diesel oil of vapor pressure, kerosene absorbs as the solvent, increased the area of contact with the solvent, improve the absorption effect, thereby improve the treatment quality, through burning catalysis, waste gas is handled with the absorptive mode of solvent to absorption, the waste gas that can accomplish different concentrations has different treatment methods, the user demand has been satisfied.
4. Because the leak hole sloping plate is obliquely arranged at the center of the interior of the combustion catalysis box, the right wall of the combustion catalysis box is provided with an opening which is correspondingly matched with the leak hole sloping plate, the slag removal sealing cover is correspondingly matched with the opening of the right wall of the combustion catalysis box, so that the catalytic product can be conveniently and periodically unloaded and replaced, the mechanism is reasonable and ingenious in design, the work load of personnel is lightened, the catalytic combustion treatment is realized, the upper end water injection pipe of the heat exchange box is connected with an external water pipe, the right wall water outlet pipe of the heat exchange box is connected with a hot water collecting pipeline and is conveyed by the serpentine heat exchange pipes on the leak hole support plates, the contact area with water can be increased, the heat exchange time is prolonged, the maximization of heat exchange is ensured, the heat is fully transferred to the water, the temperature of the water is increased, the efficient energy reutilization is realized, the fully cooled high-temperature CO and the water vapor are respectively output through the CO and the liquid, the hot water discharged by the water outlet pipe on the right wall of the heat exchange box is utilized, as the upper end of the adsorption box is correspondingly provided with a box cover with air holes through bolts, the screw rod pieces respectively pass through holes corresponding to the wall bodies of the leak hole pressing plates to be connected with threaded holes on the bottom surface inside the adsorption box, pressing sheets of the wall bodies of the screw rod pieces are matched with the through holes corresponding to the wall bodies of the leak hole pressing plates, the disassembly, the replacement and the maintenance are convenient, meanwhile, the driving motor runs, the output shaft rotates to drive the stirring frame to slowly rotate, and further the solvent is properly stirred, each part of the solvent can be ensured to be contacted with the waste gas, and the absorption quality is ensured, when the concentration is higher than a certain value, the PLC controller is used for regulating and controlling, the flashing alarm lamp flashes and warns, the attention of workers is reminded through the indicator lamp or the alarm, meanwhile, mechanism reasonable in design, the energy obtains make full use of, and mechanism convenient to detach changes the maintenance, guarantees that the solvent can both contact and absorbs waste gas, has alleviateed personnel's work burden, has satisfied the exhaust-gas treatment quality, can flash when concentration is higher than a definite value and warn personnel, and data can give automatic recording and remote sharing.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal cross-sectional structure of the stretching mechanism of the present invention;
FIG. 3 is a schematic view showing the internal cross-sectional structure of a first exhaust gas treatment device according to the present invention;
FIG. 4 is a schematic view showing the internal cross-sectional structure of a second exhaust gas treatment device according to the present invention;
FIG. 5 is a schematic view of the internal cross-sectional structure of the third waste gas treatment mechanism according to the present invention.
In the figure: 1 bottom plate, 2 detection box, 3 stretching mechanism, 31 inner support plate, 32 motor, 33 wire column, 34 adjusting plate, 35 lifting column frame, 4 PID concentration detector, 5 uniform drainage mechanism, 51 drainage cover, 52 drainage fan, 53 flow equalizing plate, 6 main gas pipe, 7 first waste gas treatment mechanism, 71 combustion catalysis box, 72 gas cavity, 73 gas injection pipe, 74 electromagnetic gas valve, 75 electric igniter, 76 leakage hole inclined plate, 77 catalyst, 78 slag cleaning sealing cover, 8 energy reuse mechanism, 81 heat exchange box, 82 leakage hole support plate, 83 snakelike heat exchange pipe, 84 connecting pipe, 85 gas outlet pipe, 9 second waste gas treatment mechanism, 91 adsorption box, 92 activated carbon small ball, 93 screw rod piece, 94 leakage hole pressure plate, 95 activated alumina small ball, gas pipe 96, 97 gas valve, 10 frame plate, 11 third waste gas treatment mechanism, 111 solvent absorption box, 112 snakelike pipe, 113 gas transmission electromagnetic valve branch pipe, 114 gas transmission electromagnetic valve, 95 activated carbon small ball, The device comprises a processing auxiliary mechanism 12, a driving motor 121, a stirring frame 122, a control box 13, a PLC 14, a memory 15, a GPRS data transmitter 16, a flashing alarm lamp 17, a sealing cover 18 and a reinforcing rib 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
example one
A VOCs waste gas treatment system comprises a bottom plate 1, a stretching mechanism 3, an even drainage mechanism 5, a first waste gas treatment mechanism 7, an energy recycling mechanism 8, a second waste gas treatment mechanism 9, a third waste gas treatment mechanism 11 and a treatment auxiliary mechanism 12.
The stretching mechanism 3 is correspondingly arranged inside the detection box 2, the top end of the stretching mechanism 3 is correspondingly provided with a PID concentration detector 4, the stretching mechanism 3 comprises an inner support plate 31, a motor 32, a wire column 33, an adjusting plate 34 and a lifting column support 35, the inner support plate 31 is correspondingly arranged at the inner center of the detection box 2, the motor 32 is arranged at the inner bottom surface of the detection box 2, the upper end of the wire column 33 is rotatably connected with the bottom wall of the inner support plate 31 through a bearing, the lower end of the wire column 33 is fixedly connected with an output shaft of the motor 32 through a coupler, the adjusting plate 34 is in threaded connection with the wire column 33, a slide block on the side wall of the adjusting plate 34 is in sliding connection with a slide groove on the inner wall of the detection box 2, the lifting column support 35 is correspondingly arranged on the upper wall of the adjusting plate 34, a column body of the lifting column support 35 is in sliding connection with a slide hole on the wall body of the inner support, motor 32 operates, the output shaft rotates, because the diapire rotation that bearing and inner supporting plate 31 were passed through to the upper end of silk post 33 is connected, the output shaft fixed connection of shaft coupling and motor 32 is passed through to the lower extreme of silk post 33, regulating plate 34 and silk post 33 threaded connection, the slider of regulating plate 34 lateral wall and the inner wall spout sliding connection of detection case 2, realize that regulating plate 34 screw thread shifts up, and then drive PID concentration detector 4 and the top mechanism of lift pillar brace 35 top and wear out through the middle part access & exit of closing cap 18, convenient operation and subsequent detection, when subsequent not using, motor 32 overturns, in time withdraw PID concentration detector 4 and top mechanism, thereby reduce occupation space, provide natural external protection protective screen for detecting element simultaneously, avoid directly exposing the emergence of injury such as outside colliding with the damage.
Even drainage mechanism 5, even drainage mechanism 5 corresponds and sets up in the air inlet department of PID concentration detector 4, even drainage mechanism 5 includes drainage cover 51, drainage fan 52 and flow equalizing plate 53, drainage cover 51 corresponds and sets up in the air inlet department of PID concentration detector 4, drainage cover 51's wall body top is equipped with evenly distributed's gas pocket, drainage fan 52 corresponds through the mounting bracket and sets up in drainage cover 51's inside upper end, flow equalizing plate 53 corresponds and sets up in drainage cover 51's inside bottom, through drainage fan 52 operation, with outside gas on every side through drainage cover 51 wall body top evenly distributed's gas pocket suction, through flow equalizing plate 53 with the balanced direction of the gas flow equalizing, guarantee detection quality.
The first waste gas treatment mechanism 7 is arranged on the right side of the upper wall of the bottom plate 1 and is connected with the gas outlet on the wall body of the main gas pipe 6, the first waste gas treatment mechanism 7 comprises a combustion catalysis box 71, a gas cavity 72, a gas injection pipe 73, an electromagnetic gas valve 74, an electric igniter 75, a leakage hole inclined plate 76, a catalyst 77 and a slag removal sealing cover 78, the combustion catalysis box 71 is arranged on the right side of the upper wall of the bottom plate 1, the gas cavity 72 is correspondingly arranged at the bottom end of the inner wall of the combustion catalysis box 71, uniformly distributed gas holes are arranged on the inner side of the arc wall of the gas cavity 72, the gas inlet of the gas cavity 72 is connected with the gas outlet on the wall body of the main gas pipe 6 through the gas injection pipe 73, the gas injection pipe 73 penetrates through the outer wall of the combustion catalysis box 71, the electromagnetic gas valve 74 is connected with the upper end of the inner part of the gas injection pipe 73 in series, the electric igniter 75 is arranged on the inner, the catalyst 77 is stacked on the upper wall surface of the orifice sloping plate 76, the slag removal sealing cover 78 is correspondingly arranged in the opening on the right wall of the combustion catalysis box 71, the opening on the right wall of the combustion catalysis box 71 is correspondingly arranged with the orifice sloping plate 76, when the concentration of waste gas is higher, the electromagnetic air valve 74 is electrified, the gas injection pipe 73 is a conductor,VOCs waste gas is injected into the air cavity 72 through the gas injection pipe 73 and is discharged through the uniformly distributed air holes on the wall body of the air cavity 72, the electric igniter 75 operates to ignite the input VOCs, non-methane total hydrocarbons and partial air, the electric igniter 75 stops operating after the volatile gas is ignited, the volatile gas is catalyzed and combusted by virtue of the catalyst 77 on the leak inclined plate 76 in the combustion process, the catalyst 77 plays a role in reducing the activation energy of the reaction between VOC molecules and oxygen molecules in the air and changing the reaction path, the catalytic combustion treatment is adopted, the purification rate of the waste gas is higher, and the final product is mainly CO2And steam nontoxic gas, because the weep hole sloping plate 76 is obliquely arranged at the center of the interior of the combustion catalysis box 71, the right wall of the combustion catalysis box 71 is provided with an opening which is correspondingly matched with the weep hole sloping plate 76, and the slag removal sealing cover 78 is correspondingly matched with the opening on the right wall of the combustion catalysis box 71, so that the catalytic products can be conveniently and periodically unloaded and replaced, the mechanism is reasonable and ingenious in design, the workload of personnel is reduced, and the catalytic combustion treatment is realized.
The energy recycling mechanism 8 is arranged on the right side of the upper wall of the bottom plate 1, an air inlet of the energy recycling mechanism 8 is connected with an air outlet of the first waste gas treatment mechanism 7 through a guide pipe, the energy recycling mechanism 8 comprises a heat exchange box 81, a leak hole support plate 82, a serpentine heat exchange pipe 83, a connecting pipe 84 and an air outlet pipe 85, the heat exchange box 81 is arranged on the right side of the upper wall of the bottom plate 1, a water injection pipe is arranged at a water injection port at the upper end of the heat exchange box 81, a water outlet pipe is arranged at a water outlet at the bottom end of the right wall of the heat exchange box 81, the leak hole support plate 82 is uniformly arranged inside the heat exchange box 81, the serpentine heat exchange pipe 83 is correspondingly arranged at the upper end of the leak hole support plate 82, openings of two adjacent serpentine heat exchange pipes 83 are connected through the connecting pipe 84, an opening of the serpentine heat exchange pipe 83, the connecting pipe 84 runs through the wall body of the corresponding leak hole supporting plate 82, the air outlet pipe 85 is arranged at the opening of the snake-shaped heat exchange pipe 83 at the lowest end, the air outlet pipe 85 runs through the left wall of the heat exchange box 81, the upper end water injection pipe of the heat exchange box 81 is connected with an external water pipe, the right wall water outlet pipe of the heat exchange box 81 is connected with a hot water collecting pipeline, the snake-shaped heat exchange pipes 83 are conveyed on the leak hole supporting plates 82, the contact area with moisture can be increased, and the heat exchange time isThe maximization of heat exchange is guaranteed, heat is fully transferred to moisture, and the moisture is heated up, so that efficient energy recycling and full cooling of high-temperature CO are achieved2And water vapour with CO respectively2And liquid water is output through the air outlet pipe 85, cold water can be injected through the water injection pipe at the upper end of the heat exchange box 81 to continue heating energy utilization, and hot water is discharged through the water outlet pipe on the right wall of the heat exchange box 81 to be utilized.
A second waste gas treatment mechanism 9, the second waste gas treatment mechanism 9 is arranged on the left side of the upper wall of the bottom plate 1 and is connected with the gas outlet on the wall body of the main gas pipe 6, the second waste gas treatment mechanism 9 comprises an adsorption tank 91, an activated carbon ball 92, a screw rod member 93, a leak hole press plate 94, an activated alumina ball 95, a gas pipe 96 and a gas valve 97, the adsorption tank 91 is arranged on the left side of the upper wall of the bottom plate 1, a tank cover with gas holes is correspondingly arranged at the upper end of the adsorption tank 91 through bolts, the activated carbon ball 92 is stacked on the inner bottom surface of the adsorption tank 91, the screw rod member 93 is respectively connected with the threaded hole on the inner bottom surface of the adsorption tank 91 through the through hole corresponding to the wall body of the leak hole press plate 94, the pressing sheet of the wall body of the screw rod member 93 is matched with the through hole corresponding to the wall body of the leak hole press plate 94, the activated alumina ball 95 is stacked on the upper surface of the leak hole press, air valve 97 establishes ties on the inside top of gas-supply pipe 96, because the case lid of taking the gas pocket is installed through the bolt correspondence to the upper end of adsorption tank 91, screw rod spare 93 passes the through-hole that the wall body of small opening clamp plate 94 corresponds respectively and is connected with the screw hole of the inside bottom surface of adsorption tank 91, the preforming of screw rod spare 93 wall body and the identical setting of through-hole that the wall body of small opening clamp plate 94 corresponds, convenient to detach changes the maintenance, when concentration is lower, air valve 97 circular telegram, the mediation of gas-supply pipe 96, VOCs waste gas passes through gas-supply pipe 96 and inputs to adsorption tank 91 in, through the dual adsorption purification treatment of active carbon bobble 92 and active alumina bobble 95, satisfy waste gas purification treatment demand, gas after the purification passes through.
The third waste gas treatment mechanism 11, the third waste gas treatment mechanism 11 is arranged at the upper end of the frame plate 10 and is connected with the gas outlet on the wall body of the main gas pipe 6, the third waste gas treatment mechanism 11 comprises a solvent absorption box 111, a coil pipe 112, a gas transmission branch pipe 113 and a gas transmission electromagnetic valve 114, the solvent absorption box 111 is arranged at the upper end of the frame plate 10, the upper end of the solvent absorption box 111 is an opening mechanism, the coil pipe 112 is correspondingly arranged at the inner bottom surface of the solvent absorption box 111, the wall body of the coil pipe 112 is provided with uniformly distributed gas holes, the gas inlet of the coil pipe 112 is connected with the gas outlet on the wall body of the main gas pipe 6 through the gas transmission branch pipe 113, the gas transmission branch pipe 113 penetrates through the outer wall of the solvent absorption box 111, the gas transmission electromagnetic valve 114 is connected in series with the inner top end of the gas transmission branch pipe 113, the gas transmission electromagnetic valve 114 is electrified when the concentration is equal, the gas transmission branch pipe 113 is dredged, and the, the gas is discharged through the uniformly distributed air holes on the wall body of the coiled pipe 112 and is absorbed by diesel oil and kerosene with higher boiling point and lower vapor pressure as solvent, so that the contact area of the solvent is increased, and the absorption effect is improved.
Handle complementary unit 12, handle complementary unit 12 and correspond and set up in the inside of third waste gas treatment mechanism 11, it includes driving motor 121 and stirring frame 122 to handle complementary unit 12, driving motor 121 sets up in the bottom surface center of solvent absorption case 111, driving motor 121's output shaft passes through waterproof bearing and is connected with the diapire rotation of solvent absorption case 111, the axis body bottom of stirring frame 122 and driving motor 121's output shaft fixed connection, stirring frame 122 corresponds the setting with the inner chamber of solvent absorption case 111, driving motor 121 operates, the output shaft rotates and drives stirring frame 122 and slowly rotate, and then moderate degree stirring solvent, guarantee that each partial solvent can both contact with waste gas, and then guarantee absorption quality, thereby improve the treatment quality.
Wherein: the intelligent control system is characterized by further comprising a control box 13, a PLC (programmable logic controller) 14, a memory 15, a GPRS (general packet radio service) data transmitter 16 and a flashing alarm lamp 17, wherein the control box 13 provides an installation place, when the concentration is higher than a certain value, the concentration is regulated and controlled through the PLC 14, the flashing alarm lamp 17 flashes and warns, workers are reminded through an indicator lamp or an alarm, meanwhile, data are stored in the memory 15 and are automatically recorded, remote data sharing is realized through the GPRS data transmitter 16 under the support of a wireless network, the control box 13 is arranged on the right side of the upper wall of the bottom plate 1, the PLC 14, the memory 15 and the GPRS data transmitter 16 are sequentially arranged inside the control box 13 from bottom to top, the flashing alarm lamp 17 is arranged on the top wall of the control box 13, the PLC 14 is electrically connected with an external power supply, the memory 15 and the GPRS data transmitter 16 are both electrically connected with the PLC, The motor 32, the drainage fan 52, the electromagnetic air valve 74, the electric igniter 75, the air valve 97, the gas transmission electromagnetic valve 114 and the driving motor 121 are all electrically connected with the PLC 14, and the PID concentration detector 4 is electrically connected with the PLC 14.
Example two
The difference between the present embodiment and the first embodiment is:
in this embodiment: still include closing cap 18 and strengthening rib 19, closing cap 18 corresponds through the bolt and installs in the upper end opening part of detection case 2, and the middle part of closing cap 18 is equipped with the access & exit, the switching of being convenient for, and mechanism design is reasonable, guarantees the smooth and easy nature of mechanism's operation, and strengthening rib 19 corresponds and sets up in the junction of wall and frame plate 10 lateral wall on bottom plate 1, and strengthening rib 19 guarantees the bearing force degree of junction.
When in use: the upper end of a wire column 33 is rotationally connected with the bottom wall of an inner supporting plate 31 through a bearing, the lower end of the wire column 33 is fixedly connected with the output shaft of the motor 32 through a coupler, an adjusting plate 34 is in threaded connection with the wire column 33, a slide block on the side wall of the adjusting plate 34 is in sliding connection with an inner wall chute of a detection box 2, the adjusting plate 34 is moved upwards in a threaded manner, the PID concentration detector 4 and an upper mechanism above a lifting column frame 35 are driven to penetrate through a middle access of a sealing cover 18, operation and subsequent detection are facilitated, when the device is not used subsequently, the motor 32 is turned over, the PID concentration detector 4 and the upper mechanism are timely withdrawn, the occupied space is reduced, meanwhile, a natural external protective barrier is provided for detection elements, damages such as direct exposed outside collision damage and the like are avoided, and external peripheral gas is pumped into a wall body through uniformly distributed air holes at the top end of a drainage cover 51 through the operation of a drainage, then the pumped gas is guided by the flow equalizing plate 53 to balance the flow of the pumped gas, so as to ensure the detection quality, the organic matters in the pumped gas can be excited by the ultraviolet light source in the PID concentration detector 4 to generate positive and negative ions, and the positive and negative ions can be easily detected by the detection unit in the PID concentration detector 4, when the molecular absorption is highThe ionization can be generated when the ultraviolet light is available, molecules generate negative electrons and form positive ions under the excitation, the current generated by the ionized particles can be detected, the detection information is timely presented to the PLC 14 to be integrated and analyzed, the concentration is judged according to the detected current amount in unit time, a waste gas detection module is added before the waste gas treatment, the current air quality is analyzed through the detection of the concentration of the waste gas, the waste gas is discharged through the main gas pipe 6 and is regulated and controlled through the PLC 14 according to the concentration, when the concentration of the waste gas is high, the electromagnetic gas valve 74 is electrified, the conductor of the gas injection pipe 73, the VOCs waste gas is injected into the gas cavity 72 through the gas injection pipe 73 and is discharged through uniformly distributed gas holes on the wall body 72 of the gas cavity, the electric igniter 75 operates to ignite the input VOCs, the non-methane total hydrocarbons and partial air, and the operation of the igniter 75 stops after the volatile gas is ignited, in the combustion process of volatile gas, the volatile gas is catalyzed and combusted by virtue of the catalyst 77 on the leak inclined plate 76, the catalyst 77 plays a role in reducing the activation energy of the reaction between VOC molecules and oxygen molecules in the air and changing the reaction path, the catalytic combustion treatment is adopted, the purification rate of waste gas is high, and the final product is mainly CO2And the nontoxic gas of steam, because the inside center department that burning catalysis case 71 is arranged in to the slope of small opening swash plate 76, be equipped with the opening that corresponds identical setting with small opening swash plate 76 on the right wall of burning catalysis case 71, the setting that corresponds identical of opening of scarfing cinder closing cap 78 and burning catalysis case 71 right wall, be convenient for regularly unload and change the catalysis product, mechanism design is reasonable ingenious, alleviate personnel's work burden, realize catalytic combustion and handle, it links to each other with outside water pipe to link to each other the upper end water injection pipe of heat transfer case 81, the right wall outlet pipe of heat transfer case 81 links to each other with hot water collecting pipe, carry through snakelike heat exchange tube 83 on a plurality of small opening extension board 82, can increase the area of contact with moisture and increase heat exchange time, guarantee the maximize of heat transfer, heat fully transmits moisture for, heat intensification, thereby accomplish efficient energy reuse, the high temperature CO2And water vapour with CO respectively2Liquid water is output through the air outlet pipe 85, cold water can be injected through the water injection pipe at the upper end of the heat exchange box 81 to continue heating energy utilization, hot water is discharged through the water outlet pipe at the right wall of the heat exchange box 81 to be utilized, and the adsorption box 91 is arranged on the upper portionThe end is correspondingly provided with a box cover with air holes through bolts, the screw rod piece 93 respectively passes through a through hole corresponding to the wall body of the leak hole pressing plate 94 to be connected with a threaded hole at the inner bottom surface of the adsorption box 91, a pressing sheet of the wall body of the screw rod piece 93 is matched with the through hole corresponding to the wall body of the leak hole pressing plate 94, the screw rod piece is convenient to detach, replace and maintain, when the concentration is lower, the air valve 97 is electrified, the air conveying pipe 96 is dredged, VOCs waste gas is input into the adsorption box 91 through the air conveying pipe 96 and is subjected to double adsorption and purification treatment through the activated carbon small balls 92 and the activated alumina small balls 95 to meet the waste gas purification treatment requirement, the purified gas is discharged through the air holes of the box cover at the upper end of the adsorption box 91, when the concentration is moderate, the air conveying electromagnetic valve 114 is electrified, the air conveying branch pipe 113 is dredged, the VOCs waste gas is, Lower diesel oil of vapor pressure, kerosene absorbs as the solvent, increased the area of contact with the solvent, improve the absorption effect, meanwhile, driving motor 121 operates, the output shaft rotates and drives stirring frame 122 and slowly rotate, and then the moderate degree stirs the solvent, guarantee that each partial solvent can both contact with waste gas, and then guarantee the absorption quality, thereby improve the treatment quality, the waste gas that reaches different concentrations has different treatment methods, the user demand has been satisfied, when making concentration be higher than a definite value, regulate and control through PLC controller 14, the scintillation alarm lamp 17 warning of scintillation, remind the staff to pay attention through pilot lamp or warning, give automatic recording with data storage in memory 15 simultaneously, under wireless network's support, realize remote data sharing through GPRS data transmission ware 16.
It is to be noted that the specific model of the PLC controller 14 disclosed in this embodiment is siemens S7-200, the PID concentration detector 4 is optional, the PLC controller 14 controls the flashing alarm lamp 17, the motor 32, the drainage fan 52, the electromagnetic air valve 74, the electric igniter 75, the air valve 97, the gas transmission electromagnetic valve 114, and the driving motor 121 to operate by a method commonly used in the prior art, and the flashing alarm lamp 17, the motor 32, the drainage fan 52, the electromagnetic air valve 74, the electric igniter 75, the air valve 97, the gas transmission electromagnetic valve 114, and the driving motor 121 are all elements commonly used in an exhaust gas treatment device in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A VOCs exhaust-gas treatment system which characterized in that: the device comprises a bottom plate (1), a stretching mechanism (3), an even drainage mechanism (5), a first waste gas treatment mechanism (7), an energy recycling mechanism (8), a second waste gas treatment mechanism (9), a third waste gas treatment mechanism (11) and a treatment auxiliary mechanism (12), wherein a detection box (2) is arranged on the right side of the upper wall of the bottom plate (1), an opening mechanism is arranged at the upper end of the detection box (2), a main gas pipe (6) is arranged at a gas outlet at the upper end of the left wall of the detection box (2), a closed mechanism is arranged at the left end of the main gas pipe (6), a frame plate (10) is arranged on the left side of the upper wall of the bottom plate (1), the stretching mechanism (3) is correspondingly arranged in the detection box (2), a PID concentration detector (4) is correspondingly arranged at the top end of the stretching mechanism (3), the even drainage mechanism (5) is correspondingly arranged at a gas inlet of the PID concentration detector (4), and the first waste gas treatment mechanism (7) is arranged on the right side of the, and is connected with the air outlet on the wall body of the main air pipe (6), the energy recycling mechanism (8) is arranged on the right side of the upper wall of the bottom plate (1), the air inlet of the energy recycling mechanism (8) is connected with the air outlet of the first waste gas treatment mechanism (7) through a guide pipe, the second waste gas treatment mechanism (9) is arranged on the left side of the upper wall of the bottom plate (1) and is connected with the air outlet on the wall body of the main air pipe (6), the third waste gas treatment mechanism (11) is arranged at the upper end of the frame plate (10) and is connected with the air outlet on the wall body of the main air pipe (6), the treatment auxiliary mechanism (12) is correspondingly arranged inside the third waste gas treatment mechanism (11), and further comprises a control box (13), a PLC (14), a memory (15), a GPRS data transmitter (16) and a flashing alarm lamp (17), the control box (13) is arranged on the right side of the upper wall of the bottom plate (, PLC controller (14), memory (15), GPRS data transmission ware (16) set gradually in the inside of control box (13) from bottom to top, scintillation alarm lamp (17) set up on the roof of control box (13), external power source is connected to PLC controller (14) electricity, memory (15) and GPRS data transmission ware (16) all are connected with PLC controller (14) two-way electricity, PLC controller (14) are connected to scintillation alarm lamp (17) electricity, PLC controller (14) are connected to PID concentration detection appearance (4) electricity.
2. A VOCs exhaust treatment system as claimed in claim 1, wherein: the stretching-closing mechanism (3) comprises an inner support plate (31), a motor (32), a wire column (33), an adjusting plate (34) and a lifting column frame (35), the inner support plate (31) is correspondingly arranged at the inner center of the detection box (2), the motor (32) is arranged on the inner bottom surface of the detection box (2), the upper end of the wire column (33) is rotatably connected with the bottom wall of the inner support plate (31) through a bearing, the lower end of the wire column (33) is fixedly connected with an output shaft of the motor (32) through a coupler, the adjusting plate (34) is in threaded connection with the wire column (33), a sliding block on the side wall of the adjusting plate (34) is in sliding connection with a sliding groove on the inner wall of the detection box (2), the lifting column frame (35) is correspondingly arranged on the upper wall of the adjusting plate (34), a cylinder body of the lifting column frame (35) is in sliding connection with a sliding hole on the wall body of the inner support plate (31), and the top end of the lifting, the motor (32) is electrically connected with the PLC controller (14).
3. A VOCs exhaust treatment system as claimed in claim 1, wherein: even drainage mechanism (5) include drainage cover (51), drainage fan (52) and flow equalizing plate (53), drainage cover (51) correspond and set up in the air inlet department of PID concentration detection appearance (4), and the wall body top of drainage cover (51) is equipped with evenly distributed's gas pocket, and drainage fan (52) correspond through the mounting bracket and set up in the inside upper end of drainage cover (51), and flow equalizing plate (53) correspond and set up in the inside bottom of drainage cover (51), and drainage fan (52) electricity is connected PLC controller (14).
4. A VOCs exhaust treatment system as claimed in claim 1, wherein: the first waste gas treatment mechanism (7) comprises a combustion catalysis box (71), an air cavity (72), an air injection pipe (73), an electromagnetic air valve (74), an electric igniter (75), a leak hole inclined plate (76), a catalyst (77) and a slag removal sealing cover (78), the combustion catalysis box (71) is arranged on the right side of the upper wall of the bottom plate (1), the air cavity (72) is correspondingly arranged at the bottom end of the inner wall of the combustion catalysis box (71), uniformly distributed air holes are formed in the inner side of the arc wall of the air cavity (72), an air inlet of the air cavity (72) is connected with an air outlet in the wall body of the main air pipe (6) through the air injection pipe (73), the air injection pipe (73) penetrates through the outer wall of the combustion catalysis box (71), the electromagnetic air valve (74) is connected with the upper end in the interior of the air injection pipe (73) in series, the electric igniter (75) is arranged on the bottom surface of the interior of the combustion catalysis box (71) and is correspondingly arranged with the air cavity (72, the catalyst (77) is stacked on the upper wall surface of the leak hole sloping plate (76), the slag cleaning sealing cover (78) is correspondingly arranged in the opening of the right wall of the combustion catalysis box (71), the opening of the right wall of the combustion catalysis box (71) is correspondingly arranged with the leak hole sloping plate (76), and the electromagnetic gas valve (74) and the electric igniter (75) are electrically connected with the PLC (14).
5. A VOCs exhaust treatment system in accordance with claim 4, wherein: the energy recycling mechanism (8) comprises a heat exchange box (81), a leak hole support plate (82), a serpentine heat exchange tube (83), a connecting tube (84) and an air outlet tube (85), wherein the heat exchange box (81) is arranged on the right side of the upper wall of the base plate (1), a water injection tube is arranged at a water injection port at the upper end of the heat exchange box (81), a water outlet tube is arranged at a water outlet at the bottom end of the right wall of the heat exchange box (81), the leak hole support plate (82) is uniformly arranged inside the heat exchange box (81), the serpentine heat exchange tube (83) is correspondingly arranged at the upper end of the leak hole support plate (82), the openings of two adjacent serpentine heat exchange tubes (83) are connected through the connecting tube (84), the opening of the serpentine heat exchange tube (83) at the uppermost end is connected with a gas outlet at the left wall of the combustion catalysis box (71) through a guide tube, the guide tube penetrates through the right, the air outlet pipe (85) is arranged at the opening of the snake-shaped heat exchange pipe (83) at the lowest end, and the air outlet pipe (85) penetrates through the left wall of the heat exchange box (81).
6. A VOCs exhaust treatment system as claimed in claim 1, wherein: the second waste gas treatment mechanism (9) comprises an adsorption box (91), activated carbon balls (92), a screw rod piece (93), a leakage hole pressing plate (94), activated alumina balls (95), a gas pipe (96) and a gas valve (97), the adsorption box (91) is arranged on the left side of the upper wall of the bottom plate (1), a box cover with a gas hole is correspondingly arranged at the upper end of the adsorption box (91) through bolts, the activated carbon balls (92) are stacked on the inner bottom surface of the adsorption box (91), the screw rod piece (93) respectively penetrates through holes corresponding to the wall body of the leakage hole pressing plate (94) to be connected with a threaded hole on the inner bottom surface of the adsorption box (91), pressing sheets of the wall body of the screw rod piece (93) are matched with through holes corresponding to the wall body of the leakage hole pressing plate (94), the activated alumina balls (95) are stacked on the upper surface of the leakage hole pressing plate (94), a gas inlet at the bottom end of the right wall of the adsorption box (91) is connected with a gas outlet on the wall body of, the air valve (97) is connected in series with the top end of the inner part of the air pipe (96), and the air valve (97) is electrically connected with the PLC (14).
7. A VOCs exhaust treatment system as claimed in claim 1, wherein: the third waste gas treatment mechanism (11) comprises a solvent absorption box (111), a coiled pipe (112), a gas transmission branch pipe (113) and a gas transmission electromagnetic valve (114), the solvent absorption box (111) is arranged at the upper end of the frame plate (10), the upper end of the solvent absorption box (111) is an opening mechanism, the coiled pipe (112) is correspondingly arranged on the inner bottom surface of the solvent absorption box (111), air holes which are uniformly distributed are formed in the wall body of the coiled pipe (112), an air inlet of the coiled pipe (112) is connected with an air outlet in the wall body of the main gas pipe (6) through the gas transmission branch pipe (113), the gas transmission branch pipe (113) penetrates through the outer wall of the solvent absorption box (111), the gas transmission electromagnetic valve (114) is connected with the inner top end of the gas transmission branch pipe (113) in series, and the gas transmission electromagnetic valve (114) is electrically connected with the PLC (14).
8. A VOCs exhaust treatment system as claimed in claim 7, wherein: handle complementary unit (12) and include driving motor (121) and agitator (122), driving motor (121) set up in the bottom surface center of solvent absorption case (111), and the output shaft of driving motor (121) passes through the diapire rotation of waterproof bearing and solvent absorption case (111) and is connected, and the axis body bottom of agitator (122) and the output shaft fixed connection of driving motor (121), and agitator (122) correspond the setting with the inner chamber of solvent absorption case (111), and PLC controller (14) is connected to driving motor (121) electricity.
9. A VOCs exhaust treatment system as claimed in claim 1, wherein: still include closing cap (18) and strengthening rib (19), closing cap (18) correspond through the bolt and install in the upper end opening part of detection case (2), and the middle part of closing cap (18) is equipped with the access & exit, and strengthening rib (19) correspond and set up in the junction of wall and frame plate (10) lateral wall on bottom plate (1).
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| CN112213445A (en) * | 2020-09-07 | 2021-01-12 | 何倩梅 | Chemical tail gas detection equipment and detection method thereof |
| CN112361357A (en) * | 2020-10-21 | 2021-02-12 | 江苏旭龙环境科技有限公司 | Pipeline viscous oil processing apparatus of waste gas paint |
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| CN113399170A (en) * | 2021-05-24 | 2021-09-17 | 海南海航斯提斯喷涂服务有限公司 | Waste gas treatment device in airplane paint spraying process |
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