CN114259845A - Environment-friendly treatment device for formaldehyde tail gas - Google Patents
Environment-friendly treatment device for formaldehyde tail gas Download PDFInfo
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- CN114259845A CN114259845A CN202210052398.8A CN202210052398A CN114259845A CN 114259845 A CN114259845 A CN 114259845A CN 202210052398 A CN202210052398 A CN 202210052398A CN 114259845 A CN114259845 A CN 114259845A
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- shaft
- drying box
- wall
- connecting pipe
- treatment tank
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 238000001035 drying Methods 0.000 claims abstract description 70
- 238000003756 stirring Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- 239000002274 desiccant Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 29
- 238000009434 installation Methods 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 241001233242 Lontra Species 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The invention discloses an environment-friendly treatment device for formaldehyde tail gas, which relates to the technical field of formaldehyde production and comprises the following components: a treatment tank; a first drying oven; and the stirring mechanism is arranged in the treatment tank and used for stirring the formaldehyde dissolving agent in the treatment tank. According to the formaldehyde dissolving and absorbing device, the stirring mechanism and the transmission mechanism are arranged, so that gas flows in the first connecting pipe to drive the fan blades to rotate, the fan blades drive the transmission shaft to rotate, the transmission shaft drives the driving gear to rotate, the driven gear drives the driven shaft to rotate, the driven shaft drives the mounting rod to rotate, the stirring shaft revolves around the driven shaft, the transmission gear rotates under the meshing action of the transmission gear and the toothed ring, and the stirring shaft is driven to rotate, so that the stirring paddles on the outer wall of the stirring shaft revolve and rotate, the formaldehyde dissolving agent in the treatment tank is stirred, and the formaldehyde dissolving and absorbing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of formaldehyde production, in particular to an environment-friendly treatment device for formaldehyde tail gas.
Background
The formaldehyde is usually colorless gas, has pungent smell, is easily dissolved in water and ether, the concentration of the water solution can reach 55 percent at most, can be mixed and dissolved with organic solvents such as ethanol, acetone and the like according to any proportion, is not dissolved in petroleum ether, the liquid is easy to be turbid when being stored for a long time, trioxymethylene precipitate is formed at low temperature, a part of formaldehyde overflows when being evaporated, but most of the formaldehyde is converted into trioxymethylene, the methanol is transparent, colorless, inflammable and toxic liquid, has slight alcohol smell, is an important organic chemical raw material and high-quality fuel, is mainly used for manufacturing various organic products such as formaldehyde, acetic acid, chloromethane, methylamine, dimethyl sulfate and the like, is also one of important raw materials of pesticides and medicines, and can also be used as fuel instead of gasoline.
According to the notice number: CN214809700U discloses a tail gas treatment equipment of formaldehyde production system, relates to formaldehyde production system technical field, in order to solve the problem that tail gas is generated in the formaldehyde production in the prior art, and the tail gas contains part of formaldehyde which is not collected and hydrogen which is generated in the production process, and can not be effectively recycled, and formaldehyde production rate is reduced, the inner wall of the first filter chamber is provided with a plurality of spray heads which are distributed at equal intervals, one side of the first filter chamber is provided with a tail gas receiving pipe, the other side of the first filter chamber is provided with a first connecting pipe, the first connecting pipe is J-shaped, the outer side of the first connecting pipe is provided with a second filter chamber, the second filter chamber is connected with the first connecting pipe through a clamping groove, one end of the first connecting pipe far away from the first filter chamber is provided with a dispersion cover, one side of the dispersion cover is provided with a linear motor, and the other end of the linear motor is provided with a moving rod.
Although above-mentioned patent publication has solved and has effectively retrieved formaldehyde and hydrogen in the tail gas, has reduced the problem of formaldehyde productivity ratio, above-mentioned patent publication can't stir the formaldehyde dissolving agent in the second filter chamber when using, and tail gas and formaldehyde dissolving agent contact are insufficient when letting in the second filter chamber, and formaldehyde dissolving efficiency remains to be improved to the drier needs frequent change, complex operation.
Disclosure of Invention
The invention aims to: in order to solve the problem that the formaldehyde dissolving agent in the second filtering chamber cannot be stirred, the drying agent needs to be frequently replaced, and the operation is complex, the environment-friendly treatment device for the formaldehyde tail gas is provided.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a formaldehyde tail gas's environmental protection processing apparatus, includes:
a treatment tank;
the tail gas pipe is arranged at one end of the outer wall of the treatment tank and penetrates into the treatment tank;
the first connecting pipe is arranged at the top end of the treatment tank and communicated with the treatment tank;
the first drying box is arranged at the other end of the first connecting pipe;
the stirring mechanism is arranged in the treatment tank, penetrates through the top end of the treatment tank and is used for stirring the formaldehyde dissolving agent in the treatment tank;
the water absorption cotton is arranged inside the first drying box;
the linkage mechanism is arranged inside the first drying box and is positioned at the top end of the absorbent cotton, penetrates through one end of the outer wall of the first drying box and is used for extruding and dehumidifying the absorbent cotton;
the second drying box is arranged at one end, far away from the first connecting pipe, of the first drying box;
and the gas collection tank is arranged below the second drying box.
As a still further scheme of the invention: rabbling mechanism includes driven shaft, installation pole, (mixing) shaft, stirring rake, drive gear, ring gear and drive mechanism, the driven shaft is located the inside of handling the jar, and run through extremely the top of handling the jar, just the driven shaft with the junction of handling the jar passes through bearing, sealing washer and connects, the installation pole is provided with two, two the installation pole cup joints and is fixed in the outer wall of driven shaft, the (mixing) shaft is provided with two, two the (mixing) shaft rotate install in the inside both ends position department of installation pole, the stirring rake is provided with a plurality ofly, and is a plurality of the stirring rake cup joints and is fixed in the outer wall of (mixing) shaft, drive gear locates the top of (mixing) shaft, the ring gear is located the inner wall of handling the jar, just drive gear with the ring gear intermeshing.
As a still further scheme of the invention: drive mechanism includes transmission shaft, flabellum, driving gear and driven gear, the transmission shaft is located the inside of handling the jar, and run through extremely the inside of first connecting pipe, the flabellum is located the inside of first connecting pipe to cup joint and be fixed in the outer wall of transmission shaft, the driving gear is located the inner wall of handling the jar, and cup joint and be fixed in the outer wall of transmission shaft, driven gear cup joints and is fixed in the outer wall of driven shaft, and be located the one end of driving gear, just the driving gear in driven gear intermeshing.
As a still further scheme of the invention: the linkage mechanism comprises a connecting shaft, a driven bevel gear, a driving bevel gear and a moving block, the connecting shaft is rotatably mounted inside the first drying box and penetrates through one end of the outer wall of the first drying box, the driving bevel gear is arranged at the top end of the driven shaft, the driven bevel gear is arranged at one end, close to the driving bevel gear, of the outer wall of the connecting shaft, the driven bevel gear is meshed with the driving bevel gear, and the moving block is arranged inside the first drying box and sleeved on the outer wall of the connecting shaft.
As a still further scheme of the invention: the drying agent is arranged in the second drying box, the second drying box is connected with the first drying box in a sealing mode through a fourth connecting pipe, and the gas collecting tank is connected with the second drying box in a sealing mode through a third connecting pipe.
As a still further scheme of the invention: the inside of first drying cabinet is located the cotton outer wall that absorbs water has cup jointed the baffle, the inside of first drying cabinet is located the baffle is close to the one end of fourth connecting pipe is provided with the otter board, the otter board is located the cotton bottom that absorbs water, the bottom of first drying cabinet is provided with the second connecting pipe, the second connecting pipe is located the below of otter board, the other end of second connecting pipe run through to the inside of processing jar, just the inside of second connecting pipe is provided with the check valve.
As a still further scheme of the invention: the outer wall of the connecting shaft is connected with the connecting position of the first drying box through a bearing seal ring, the outer wall of the connecting shaft is located at one end, far away from the driven bevel gear, of the partition plate and is provided with reciprocating threads, and a guide block matched with the reciprocating threads on the outer wall of the connecting shaft is arranged inside the moving block.
As a still further scheme of the invention: the top of handling the jar is located the top of first connecting pipe is provided with the gas vent, the transmission shaft runs through to through the gas vent the inside of first connecting pipe, just the transmission shaft with the inner wall of gas vent passes through support frame and bearing connection.
As a still further scheme of the invention: the inside bottom of processing jar is provided with the bottom plate, the tailpipe with the junction of bottom plate is through welded seal, just the inside of tailpipe is provided with the check valve.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the stirring mechanism and the transmission mechanism, gas flows in the first connecting pipe to drive the fan blades to rotate, so that the fan blades drive the transmission shaft to rotate, the transmission shaft drives the driving gear to rotate, and the driven gear rotates, so that the driven gear drives the driven shaft to rotate, the driven shaft drives the mounting rod to rotate, the stirring shaft revolves around the driven shaft, and the transmission gear rotates and drives the stirring shaft to rotate under the meshing action of the transmission gear and the toothed ring, so that the stirring paddle on the outer wall of the stirring shaft revolves and rotates simultaneously, the formaldehyde dissolving agent in the treatment tank is stirred, and the dissolving and absorbing efficiency of formaldehyde is improved;
2. through the arrangement of the linkage mechanism, the driven shaft rotates to drive the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear to rotate, and the connecting shaft rotates, so that the moving block moves in a reciprocating mode in the first drying box along the outer wall of the connecting shaft, water-absorbent cotton is extruded in a reciprocating mode, and formaldehyde removing agents in the water-absorbent cotton are removed in an extruding mode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a sectional view of the connection of the treatment tank, the offgas duct, and the first connecting pipe of the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 3;
FIG. 5 is a schematic view of the connection between the stirring mechanism and the transmission mechanism according to the present invention;
FIG. 6 is an enlarged view at C of FIG. 5 in accordance with the present invention;
FIG. 7 is a sectional view of the first drying box of the present invention connected to absorbent cotton;
fig. 8 is a sectional view of a first drying box of the present invention.
In the figure: 1. a treatment tank; 2. a tail gas pipe; 3. a first connecting pipe; 4. a first drying oven; 5. a stirring mechanism; 501. a driven shaft; 502. mounting a rod; 503. a stirring shaft; 504. a stirring paddle; 505. a transmission gear; 506. a toothed ring; 6. a transmission mechanism; 601. a drive shaft; 602. a fan blade; 603. a driving gear; 604. a driven gear; 7. absorbent cotton; 8. a linkage mechanism; 801. a connecting shaft; 802. a driven bevel gear; 803. a driving bevel gear; 804. a moving block; 9. a partition plate; 10. a screen plate; 11. a second connecting pipe; 12. a second drying oven; 13. a third connecting pipe; 14. a gas collection tank; 15. a base plate; 16. and a fourth connecting pipe.
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 to 8, in an embodiment of the present invention, an apparatus for environmentally treating formaldehyde tail gas includes:
a treatment tank 1;
the tail gas pipe 2 is arranged at one end of the outer wall of the treatment tank 1, and penetrates into the treatment tank 1;
the first connecting pipe 3 is arranged at the top end of the treatment tank 1, and the first connecting pipe 3 is communicated with the treatment tank 1;
the first drying box 4 is arranged at the other end of the first connecting pipe 3;
the stirring mechanism 5 is arranged in the treatment tank 1, penetrates through the top end of the treatment tank 1 and is used for stirring the formaldehyde dissolving agent in the treatment tank 1;
the absorbent cotton 7, the absorbent cotton 7 is arranged inside the first drying box 4;
the linkage mechanism 8 is arranged inside the first drying box 4 and is positioned at the top end of the absorbent cotton 7, and the linkage mechanism 8 penetrates through one end of the outer wall of the first drying box 4 and is used for extruding and dehumidifying the absorbent cotton 7;
the second drying box 12 is arranged at one end, far away from the first connecting pipe 3, of the first drying box 4;
and the gas collecting tank 14 is arranged below the second drying box 12, and the gas collecting tank 14 is arranged below the second drying box 12.
In this embodiment: tail gas pipe 2 carries formaldehyde tail gas to in handling tank 1, formaldehyde is absorbed through formaldehyde dissolving agent in handling tank 1 and is got rid of, hydrogen come-up in the tail gas is carried to first drying cabinet 4 in through first connecting pipe 3 and is carried out preliminary dewatering, then further dewatering is carried out through drier in the second drying cabinet 12, carry out recycle to hydrogen through gas collection tank 14 at last, through setting up rabbling mechanism 5, make 3 interior airflows of first connecting pipe drive rabbling mechanism 5 and rotate and stir the first dissolving agent in handling tank 1, improve formaldehyde absorption efficiency, through setting up link gear 8, when making 5 pivoted of rabbling mechanism, drive link gear 8 operation, absorb water cotton 7 and extrude in first drying cabinet 4, improve the efficiency of absorbing water that absorbs water cotton dehumidification 7.
Please refer to fig. 3 to 6, the stirring mechanism 5 includes a driven shaft 501, two installation rods 502, two stirring shafts 503, two stirring paddles 504, a transmission gear 505, a toothed ring 506 and a transmission mechanism 6, the driven shaft 501 is disposed inside the processing tank 1 and penetrates to the top end of the processing tank 1, the connection portion of the driven shaft 501 and the processing tank 1 is connected through a bearing and a sealing ring, the two installation rods 502 are disposed with two installation rods 502 sleeved and fixed on the outer wall of the driven shaft 501, the two stirring shafts 503 are disposed with two stirring paddles 504, the two stirring shafts 503 are rotatably mounted at the two ends of the inside of the installation rods 502, the stirring paddles 504 are disposed with a plurality of stirring paddles 504, the outer wall of the stirring shafts 503 are sleeved and fixed, the transmission gear 505 is disposed at the top end of the stirring shafts 503, the toothed ring 506 is disposed on the inner wall of the processing tank 1, and the transmission gear 505 and the toothed ring 506 are meshed with each other.
In this embodiment: the driven shaft 501 drives the mounting rod 502 to rotate, so that the stirring shaft 503 revolves around the driven shaft 501, the transmission gear 505 rotates under the meshing action of the transmission gear 505 and the toothed ring 506, and the stirring shaft 503 rotates, so that the stirring paddle 504 on the outer wall of the stirring shaft 503 revolves and rotates, the formaldehyde dissolving agent in the treatment tank 1 is stirred, and the formaldehyde dissolving and absorbing efficiency is improved.
Please refer to fig. 3 to 6, the transmission mechanism 6 includes a transmission shaft 601, a fan blade 602, a driving gear 603 and a driven gear 604, the transmission shaft 601 is disposed inside the processing tank 1 and penetrates through the first connection pipe 3, the fan blade 602 is disposed inside the first connection pipe 3 and is sleeved and fixed on the outer wall of the transmission shaft 601, the driving gear 603 is disposed on the inner wall of the processing tank 1 and is sleeved and fixed on the outer wall of the transmission shaft 601, the driven gear 604 is sleeved and fixed on the outer wall of the driven shaft 501 and is located at one end of the driving gear 603, and the driving gear 603 is engaged with the driven gear 604.
In this embodiment: the air flows in the first connecting pipe 3 to drive the fan blade 602 to rotate, so that the fan blade 602 drives the transmission shaft 601 to rotate, the transmission shaft 601 drives the driving gear 603 to rotate, and the driven gear 604 rotates, thereby realizing that the driven gear 604 drives the driven shaft 501 to rotate.
Please refer to fig. 1, 2 and 7, the linkage mechanism 8 includes a connecting shaft 801, a driven bevel gear 802, a driving bevel gear 803 and a moving block 804, the connecting shaft 801 is rotatably installed inside the first drying box 4 and penetrates to one end of the outer wall of the first drying box 4, the driving bevel gear 803 is installed at the top end of the driven shaft 501, the driven bevel gear 802 is installed at one end of the outer wall of the connecting shaft 801 close to the driving bevel gear 803, the driven bevel gear 802 and the driving bevel gear 803 are engaged with each other, and the moving block 804 is installed inside the first drying box 4 and is sleeved on the outer wall of the connecting shaft 801.
In this embodiment: the driven shaft 501 rotates to drive the driving bevel gear 803 to rotate, the driving bevel gear 803 drives the driven bevel gear 802 to rotate, and the connecting shaft 801 rotates, so that the moving block 804 reciprocates in the first drying box 4 along the outer wall of the connecting shaft 801 to extrude the absorbent cotton 7 in a reciprocating manner, and the formaldehyde remover in the absorbent cotton 7 is extruded and removed.
Please refer to fig. 1, a drying agent is disposed inside the second drying box 12, the second drying box 12 is connected to the first drying box 4 through a fourth connecting pipe 16, and the vapor collection tank 14 is connected to the second drying box 12 through a third connecting pipe 13.
In this embodiment: the hydrogen dried by the first drying box 4 is further dried by the drying agent, and is conveyed to the gas collecting tank 14 through the third connecting pipe 13 to be collected.
Please refer to fig. 7 and 8, the partition plate 9 is sleeved on the outer wall of the absorbent cotton 7 inside the first drying box 4, the screen plate 10 is arranged at one end of the partition plate 9 near the fourth connecting pipe 16 inside the first drying box 4, the screen plate 10 is arranged at the bottom end of the absorbent cotton 7, the second connecting pipe 11 is arranged at the bottom end of the first drying box 4, the second connecting pipe 11 is arranged below the screen plate 10, the other end of the second connecting pipe 11 penetrates into the processing tank 1, and the one-way valve is arranged inside the second connecting pipe 11.
In this embodiment: carry on spacingly through baffle 9 and otter board 10 to cotton 7 that absorbs water to through otter board 10 make the cotton 7 interior extrusion exhaust formaldehyde filtering agent that absorbs water flow to the bottom of first drying cabinet 4, then flow back to the processing jar 1 in through second connecting pipe 11, through the setting of check valve, avoid processing jar 1 interior liquid and moisture to get into in the drying cabinet 4 through second connecting pipe 11.
Please refer to fig. 7, the connection position between the outer wall of the connection shaft 801 and the first drying box 4 is connected by a bearing seal ring, the outer wall of the connection shaft 801 is provided with a reciprocating thread at the end of the partition plate 9 far away from the driven bevel gear 802, and a guide block matched with the reciprocating thread on the outer wall of the connection shaft 801 is arranged inside the moving block 804.
In this embodiment: due to the arrangement of the reciprocating threads, the moving block 804 reciprocates along the outer wall of the connecting shaft 801 when the connecting shaft 801 rotates, and the absorbent cotton 7 is squeezed in a reciprocating manner.
Please refer to fig. 3 and 4, an exhaust port is disposed at the top end of the first connecting pipe 3 at the top end of the processing tank 1, the transmission shaft 601 penetrates into the first connecting pipe 3 through the exhaust port, and the transmission shaft 601 is connected to the inner wall of the exhaust port through a support frame and a bearing.
In this embodiment: the hydrogen in the processing tank 1 is conveyed into the first connecting pipe 3 through the exhaust port, and the transmission shaft 601 is supported by the supporting frame to be rotatably installed.
Please refer to fig. 1 and 3, a bottom plate 15 is disposed at the bottom end of the interior of the treatment tank 1, the connection between the exhaust pipe 2 and the bottom plate 15 is sealed by welding, and a check valve is disposed in the exhaust pipe 2.
In this embodiment: be provided with bottom plate 15 through the inside bottom of handling jar 1, the junction of tailpipe 2 and bottom plate 15 is through welded seal, and the inside of tailpipe 2 is provided with the check valve, the spacing installation of the tailpipe 2 of being convenient for, and avoid in the handling jar 1 formaldehyde dissolving agent backward flow to tailpipe 2 in.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (9)
1. The utility model provides a formaldehyde tail gas's environmental protection processing apparatus which characterized in that includes:
a treatment tank (1);
the tail gas pipe (2) is arranged at one end of the outer wall of the treatment tank (1) and penetrates into the treatment tank (1);
the first connecting pipe (3) is arranged at the top end of the treatment tank (1), and is communicated with the treatment tank (1);
the first drying box (4), the first drying box (4) is arranged at the other end of the first connecting pipe (3);
the stirring mechanism (5) is arranged in the treatment tank (1), penetrates through the top end of the treatment tank (1), and is used for stirring the formaldehyde dissolving agent in the treatment tank (1);
the water absorption cotton (7), the water absorption cotton (7) is arranged inside the first drying box (4);
the linkage mechanism (8) is arranged inside the first drying box (4) and is positioned at the top end of the water absorption cotton (7), and the linkage mechanism (8) penetrates through one end of the outer wall of the first drying box (4) and is used for extruding and dehumidifying the water absorption cotton (7);
the second drying box (12), the second drying box (12) is arranged at one end, far away from the first connecting pipe (3), of the first drying box (4);
and the gas collection tank (14), wherein the gas collection tank (14) is arranged below the second drying box (12).
2. The formaldehyde tail gas environment-friendly treatment device according to claim 1, wherein the stirring mechanism (5) comprises a driven shaft (501), two mounting rods (502), two stirring shafts (503), two stirring paddles (504), a transmission gear (505), a toothed ring (506) and a transmission mechanism (6), the driven shaft (501) is arranged in the treatment tank (1) and penetrates through the top end of the treatment tank (1), the joint of the driven shaft (501) and the treatment tank (1) is connected through a bearing and a sealing ring, the two mounting rods (502) are arranged in number, the two mounting rods (502) are fixedly sleeved on the outer wall of the driven shaft (501), the two stirring shafts (503) are arranged in number, the two stirring shafts (503) are rotatably arranged at the positions of two ends in the mounting rods (502), the stirring paddles (504) are arranged in number, the stirring paddles (504) are fixedly sleeved on the outer wall of the stirring shaft (503), the transmission gear (505) is arranged at the top end of the stirring shaft (503), the toothed ring (506) is arranged on the inner wall of the treatment tank (1), and the transmission gear (505) and the toothed ring (506) are meshed with each other.
3. The environmental protection treatment device for formaldehyde tail gas according to claim 2, the transmission mechanism (6) comprises a transmission shaft (601), fan blades (602), a driving gear (603) and a driven gear (604), the transmission shaft (601) is arranged in the treatment tank (1), and penetrates into the first connecting pipe (3), the fan blade (602) is arranged inside the first connecting pipe (3), and is sleeved and fixed on the outer wall of the transmission shaft (601), the driving gear (603) is arranged on the inner wall of the processing tank (1), and is sleeved and fixed on the outer wall of the transmission shaft (601), the driven gear (604) is sleeved and fixed on the outer wall of the driven shaft (501), and is located at one end of the driving gear (603), and the driving gear (603) is engaged with the driven gear (604).
4. The environment-friendly formaldehyde tail gas treatment device as claimed in claim 2, wherein the linkage mechanism (8) comprises a connecting shaft (801), a driven bevel gear (802), a driving bevel gear (803) and a moving block (804), the connecting shaft (801) is rotatably mounted inside the first drying box (4) and penetrates through one end of the outer wall of the first drying box (4), the driving bevel gear (803) is arranged at the top end of the driven shaft (501), the driven bevel gear (802) is arranged at one end, close to the driving bevel gear (803), of the outer wall of the connecting shaft (801), the driven bevel gear (802) and the driving bevel gear (803) are meshed with each other, and the moving block (804) is arranged inside the first drying box (4) and is sleeved on the outer wall of the connecting shaft (801).
5. The formaldehyde tail gas environment-friendly treatment device according to claim 4, wherein a drying agent is arranged inside the second drying box (12), the second drying box (12) is hermetically connected with the first drying box (4) through a fourth connecting pipe (16), and the gas collecting tank (14) is hermetically connected with the second drying box (12) through a third connecting pipe (13).
6. The formaldehyde tail gas environment-friendly treatment device as claimed in claim 5, wherein a partition plate (9) is sleeved on the outer wall of the water absorption cotton (7) in the first drying box (4), a screen plate (10) is arranged at one end, close to the fourth connecting pipe (16), of the partition plate (9) in the first drying box (4), the screen plate (10) is arranged at the bottom end of the water absorption cotton (7), a second connecting pipe (11) is arranged at the bottom end of the first drying box (4), the second connecting pipe (11) is arranged below the screen plate (10), the other end of the second connecting pipe (11) penetrates into the treatment tank (1), and a one-way valve is arranged in the second connecting pipe (11).
7. The environmental-friendly formaldehyde tail gas treatment device as claimed in claim 6, wherein the connection position of the outer wall of the connection shaft (801) and the first drying box (4) is connected through a bearing seal ring, a reciprocating thread is arranged at one end, away from the driven bevel gear (802), of the partition plate (9) on the outer wall of the connection shaft (801), and a guide block matched with the reciprocating thread on the outer wall of the connection shaft (801) is arranged inside the moving block (804).
8. The formaldehyde tail gas environment-friendly treatment device according to claim 3, wherein an exhaust port is arranged at the top end of the first connecting pipe (3) at the top end of the treatment tank (1), the transmission shaft (601) penetrates into the first connecting pipe (3) through the exhaust port, and the transmission shaft (601) is connected with the inner wall of the exhaust port through a support frame and a bearing.
9. The environment-friendly formaldehyde tail gas treatment device according to claim 1, wherein a bottom plate (15) is arranged at the bottom end of the inside of the treatment tank (1), the joint of the tail gas pipe (2) and the bottom plate (15) is sealed by welding, and a check valve is arranged inside the tail gas pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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