CN117899647B - Spraying reaction device for formaldehyde production and operation method thereof - Google Patents
Spraying reaction device for formaldehyde production and operation method thereof Download PDFInfo
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- CN117899647B CN117899647B CN202410306183.3A CN202410306183A CN117899647B CN 117899647 B CN117899647 B CN 117899647B CN 202410306183 A CN202410306183 A CN 202410306183A CN 117899647 B CN117899647 B CN 117899647B
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- purifying box
- fixedly connected
- wall
- formaldehyde
- plates
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 376
- 238000005507 spraying Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 238000010521 absorption reaction Methods 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000002912 waste gas Substances 0.000 claims description 22
- 238000009423 ventilation Methods 0.000 claims description 19
- 238000009825 accumulation Methods 0.000 claims description 14
- 244000309464 bull Species 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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- Gas Separation By Absorption (AREA)
Abstract
The invention belongs to the technical field of formaldehyde production, in particular to a spraying reaction device for formaldehyde production and an operation method thereof. According to the invention, the corrugated plates are arranged to be matched with the inclined plates, so that formaldehyde mixed gas circulates between the outer convex surfaces of the two corrugated plates, the circulating range of the formaldehyde mixed gas is reduced through the two outer convex surfaces, the formaldehyde mixed gas is more concentrated in the purifying box, the mixing effect of the formaldehyde mixed gas and the absorption liquid is improved, then the formaldehyde mixed gas circulates between the inner concave surfaces of the two corrugated plates, and the formaldehyde mixed gas circulates to form a revolution through the cooperation of the inner concave surfaces of the two corrugated plates and the two inclined plates, so that the formaldehyde mixed gas can be accumulated upwards, and meanwhile, the absorption liquid sprayed out by the first spray head falls at the included angle between the inclined plates and the corrugated plates to be accumulated for the second spray head.
Description
Technical Field
The invention belongs to the field of formaldehyde production, and particularly relates to a spraying reaction device for formaldehyde production and an operation method thereof.
Background
Formaldehyde, colorless gas, has special pungent smell, has irritation to human eyes, nose, etc., and can be prepared by dehydrogenation or oxidation of methanol under catalysis of silver, copper, etc., or can be separated from hydrocarbon oxidation products. The product can be used as pesticide and disinfectant, and can be used for preparing raw materials such as phenolic resin, formaldehyde resin, vinylon, urotropine, pentaerythritol, dye, etc. Industrial formaldehyde solution generally contains 37% formaldehyde and 15% methanol, and is used as a polymerization inhibitor, and other waste gases are generated in the formaldehyde production process at the boiling point of 101 ℃ and are required to be treated in a spraying mode.
In the prior art, formaldehyde as gas can wantonly float after letting in the spray box, when absorbing the waste gas in the formaldehyde mixed gas through the mode of spraying, formaldehyde mixed gas hardly mixes with the absorption liquid that sprays, and very easily passes the scope of spraying of absorption liquid, causes the poor condition of waste gas absorption effect in the formaldehyde mixed gas, has influenced the purity of producing formaldehyde gas.
Therefore, the invention provides a spraying reaction device for formaldehyde production and an operation method thereof.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a spraying reaction device for formaldehyde production and an operation method thereof.
The technical scheme adopted for solving the technical problems is as follows: the invention discloses a spraying reaction device for formaldehyde production, which comprises a purifying box, wherein an air inlet pipeline is arranged at the top of the inner wall of the purifying box, a liquid inlet pipeline is fixedly connected to the inner wall of the purifying box, one end of the liquid inlet pipeline is rotationally connected with a first rotating rod, the outer wall of the first rotating rod is provided with a first spray head, the inner wall of the purifying box is provided with a first adjusting component matched with the first rotating rod for use, the inner wall of the purifying box is symmetrically and fixedly connected with two inclined plates, the two inclined plates are upwards inclined, the tops of the inclined plates are fixedly connected with a corrugated plate, the shape of the corrugated plate is that the top of the corrugated plate is concave from top to bottom, the bottoms of the inclined plates are fixedly connected with a second arc-shaped plate, the inner wall of the purifying box is symmetrically and rotationally connected with two second rotating rods below the first rotating rod, the outer wall of the second rotating rod is provided with a second spray head, the inner wall of the purifying box is symmetrically and fixedly connected with two second water pumps, the output ends of the second water pumps are symmetrically connected with two water suction boxes, the two water suction boxes are respectively connected with two water suction grooves are fixedly connected with the bottoms of the water suction boxes, the bottoms of the first water suction boxes are fixedly connected with the bottoms of the water suction boxes, and the bottoms of the water suction boxes are fixedly connected with the bottoms of the water suction boxes respectively.
Preferably, the first adjusting part comprises a first cam, first cam fixed mounting is at the outer wall of motor output, one side of first cam rotates and is connected with the connecting axle, the inner wall sliding connection of purifying box has first U-shaped frame, the inner wall of first U-shaped frame is provided with first tooth, the outer wall fixedly connected with first gear of first bull stick, first gear is connected with first tooth meshing, the top fixedly connected with slide bar of first U-shaped frame, slide bar and purifying box sliding connection, the connecting axle rotates with the slide bar to be connected, the inner wall of purifying box is provided with the spacing slide rail that cooperation first U-shaped frame used.
Preferably, the second adjusting component comprises a second U-shaped frame, the second U-shaped frame is in sliding connection with the purifying box, two second teeth are symmetrically arranged on the inner wall of the second U-shaped frame, and the first cam is positioned between the two second teeth; two the one end of second bull stick all runs through the purifying box and fixedly connected with second gear, two the second gear respectively with two second tooth meshing are connected, the outer wall of purifying box is provided with the spacing unit that the cooperation second U-shaped frame used.
Preferably, the limiting unit comprises two limiting plates, the two limiting plates are symmetrically arranged on the outer wall of the purifying box, the two limiting plates are fixedly connected with first sliding shafts at the bottoms of the limiting plates, the two limiting plates are fixedly connected with second U-shaped frames in a sliding mode, limiting blocks are fixedly connected with the bottoms of the first sliding shafts, and first springs are sleeved on the outer walls of the first sliding shafts.
Preferably, the blanking mouth has all been seted up to two in the inside of swash plate, two be provided with the ventilation groove between the swash plate, the inside fixedly connected with second slide shaft of purifying box, the outer wall sliding connection of second slide shaft has the connecting block, the outer wall cover of second slide shaft is equipped with the second spring, the one end fixedly connected with connecting plate of connecting block, the dog that the top fixedly connected with cooperation ventilation groove of connecting plate used, the baffle that the top fixedly connected with cooperation blanking mouth of connecting plate used, the inner wall of purifying box is provided with the interlock unit that cooperation dog used.
Preferably, the linkage unit comprises a rotating shaft, the rotating shaft is rotationally connected with the purifying box, the output end of the motor extends to the inside of the purifying box and is fixedly connected with the rotating shaft, and the outer wall of the rotating shaft is fixedly connected with a second cam.
Preferably, the first through groove is formed in the baffle, and the second through grooves are formed in the baffle.
Preferably, two the outer wall of wave shaped plate all is provided with gas detector, two the air inlet tank has all been seted up to the inside of wave shaped plate, the air inlet tank is in same horizontal plane with the air outlet tank, the inside symmetry fixedly connected with of purifying box two electric telescopic handle, two the equal fixedly connected with closing plate of output of electric telescopic handle, the closing plate is used for cooperation air outlet tank and air inlet tank to use.
Preferably, the inner wall of the purifying box is fixedly connected with a first arc-shaped plate between the two corrugated plates.
The operation method of the spray reaction device for formaldehyde production adopts the spray reaction device for formaldehyde production, and comprises the following steps:
S1: introducing formaldehyde mixed gas into the purifying box from the air inlet pipeline, injecting absorption liquid into the purifying box through the liquid inlet pipeline, allowing the formaldehyde mixed gas to downwards circulate between the two corrugated plates after entering the purifying box, and spraying the absorption liquid through the first spray head, the second spray head and the third spray head.
S2: the first spray heads are driven by the motor to longitudinally swing in a reciprocating manner in the purifying box, the two second spray heads are driven to transversely swing in a reciprocating manner in the purifying box, and meanwhile, the second cams are driven by the motor to rotate, so that the ventilation groove and the blanking opening are intermittently opened.
S3: the formaldehyde gas is detected by the gas detector, under the condition of qualified detection, the formaldehyde gas is discharged from the exhaust groove to the purifying box, under the condition of unqualified detection, the exhaust groove is sealed by the sealing plate, and the air inlet groove on the corrugated plate is opened, so that formaldehyde waste gas reenters the purifying box to be sprayed.
The beneficial effects of the invention are as follows:
1. According to the invention, the corrugated plates are arranged to be matched with the inclined plates, so that formaldehyde mixed gas circulates between the outer convex surfaces of the two corrugated plates, the circulating range of the formaldehyde mixed gas is reduced through the two outer convex surfaces, the formaldehyde mixed gas is more concentrated in the purifying box, the mixing effect of the formaldehyde mixed gas and the absorption liquid is improved, then the formaldehyde mixed gas circulates between the inner concave surfaces of the two corrugated plates, and the formaldehyde mixed gas circulates to form a revolution through the cooperation of the inner concave surfaces of the two corrugated plates and the two inclined plates, so that the formaldehyde mixed gas can be accumulated upwards, and meanwhile, the absorption liquid sprayed out by the first spray head falls at the included angle between the inclined plates and the corrugated plates to be accumulated for the second spray head.
2. According to the invention, the first adjusting component and the second adjusting component can be driven by the motor to enable the first spray heads to longitudinally swing back and forth in the purifying box, so that the two second spray heads can transversely swing back and forth in the purifying box, the spraying range of the first spray heads and the second spray heads is improved, the absorption of formaldehyde waste gas is promoted, meanwhile, the motor drives the second cam to rotate, the ventilation groove and the blanking port are intermittently opened, the residence time of formaldehyde mixed gas in the purifying box is improved, and the mixing effect of absorption liquid and formaldehyde mixed gas is better.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of another angle of the present invention;
FIG. 4 is an enlarged view of the invention at A in FIG. 1;
FIG. 5 is an enlarged view of the invention at B in FIG. 2;
FIG. 6 is an enlarged view of the invention at C in FIG. 2;
FIG. 7 is a perspective view of the corrugated plate, the sloping plate and the second curved plate of the present invention in use;
FIG. 8 is a perspective view of the stop of the present invention in use with a baffle;
In the figure: 1. a purifying box; 2. an air intake duct; 3. a liquid inlet pipe; 4. a first rotating lever; 5. a first nozzle; 6. a first U-shaped frame; 7. a first tooth; 8. a first gear; 9. a limit sliding rail; 10. a slide bar; 11. a fixing plate; 12. a motor; 13. a first cam; 14. a connecting shaft; 15. a first arcuate plate; 16. a corrugated plate; 17. a sloping plate; 18. a second arcuate plate; 19. a second rotating rod; 20. a second nozzle; 21. a second gear; 22. a second U-shaped frame; 23. a second tooth; 24. a limiting plate; 25. a first slide shaft; 26. a first spring; 27. a third nozzle; 28. a liquid collecting tank; 29. a first water pump; 30. a first water suction pipe; 31. a ventilation groove; 32. a feed opening; 33. a connecting plate; 34. a stop block; 35. a baffle; 36. a second slide shaft; 37. a second spring; 38. a connecting block; 39. a rotating shaft; 40. a second cam; 41. an exhaust groove; 42. an electric telescopic rod; 43. a sealing plate; 44. a gas detector; 45. a second water pump; 46. a second water suction pipe; 47. an air inlet groove.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, the invention provides a technical scheme, a spray reaction device for formaldehyde production, which comprises a purifying box 1, wherein an air inlet pipeline 2 is arranged at the top of the inner wall of the purifying box 1, the inner wall of the purifying box 1 is fixedly connected with a liquid inlet pipeline 3, one end of the liquid inlet pipeline 3 is rotationally connected with a first rotating rod 4, the outer wall of the first rotating rod 4 is provided with a first spray head 5, the inner wall of the purifying box 1 is provided with a first adjusting component matched with the first rotating rod 4, the inner wall of the purifying box 1 is symmetrically and fixedly connected with two inclined plates 17, the two inclined plates 17 are both inclined upwards, the tops of the two inclined plates 17 are both fixedly connected with corrugated plates 16, the shapes of the two corrugated plates 16 are convex and concave from top to bottom, the bottoms of the two inclined plates 17 are both fixedly connected with second arc plates 18, the inner wall of the purifying box 1 and the lower part of the first rotating rod 4 are symmetrically rotationally connected with two second rotating rods 19, the outer walls of the two second rotating rods 19 are respectively provided with a second spray head 20, the inner wall of the purifying box 1 is symmetrically and fixedly connected with two second water pumps 45, the output ends of the two second water pumps 45 are respectively connected with a second water pumping pipe 46, the two second water pumping pipes 46 are respectively connected with the two second rotating rods 19, the outer wall of the purifying box 1 is provided with a second adjusting component matched with the second rotating rods 19 for use, the bottom of the inner wall of the purifying box 1 is provided with a liquid accumulation groove 28, the inside of the liquid accumulation groove 28 is provided with a third spray head 27, the bottom of the purifying box 1 is fixedly connected with a first water pump 29, the output end of the first water pump 29 is connected with a first water pumping pipe 30, one end of the first water pumping pipe 30 extends to the inside of the liquid accumulation groove 28, the side surface of the purifying box 1 is symmetrically provided with two air exhaust grooves 41, the outer wall of the purifying box 1 is fixedly connected with a fixed plate 11, the top of the fixed plate 11 is fixedly connected with a motor 12.
Through the technical proposal, formaldehyde mixed gas is introduced into the purifying box 1 from the air inlet pipeline 2, absorbing liquid is injected into the purifying box 1 through the liquid inlet pipeline 3, after the formaldehyde mixed gas enters the purifying box 1, the absorbing liquid is sprayed by the first spray nozzle 5 to absorb waste gas in the formaldehyde mixed gas, the first adjusting component is driven by the motor 12 to drive the first spray nozzle 5 to rotate, the spraying range of the first spray nozzle 5 is enlarged, the effect of absorbing the waste gas in the formaldehyde mixed gas is improved, the formaldehyde mixed gas circulates between the outer convex surfaces of the two corrugated plates 16 through the two corrugated plates 16 arranged in the purifying box 1, the circulating range of the formaldehyde mixed gas is reduced through the two outer convex surfaces, the formaldehyde mixed gas is more concentrated in the purifying box 1, the mixing effect of the formaldehyde mixed gas and the absorbing liquid is improved, then the formaldehyde mixed gas circulates between the inner concave surfaces of the two corrugated plates 16, the inner concave surfaces of the two corrugated plates 16 are matched with the two inclined plates 17, so that the circulation of the formaldehyde mixed gas forms a revolution, the formaldehyde mixed gas is accumulated upwards, meanwhile, the absorption liquid sprayed by the first spray nozzle 5 falls at the included angle between the inclined plates 17 and the corrugated plates 16 and is accumulated for the second spray nozzle 20 to be used, the absorption liquid can be sprayed by the second spray nozzle 20 through the second water pump 45 to spray the formaldehyde mixed gas accumulated above the inclined plates 17, the second regulating assembly is controlled by the motor 12, the two second spray nozzles 20 transversely swing at the same time, the spraying range of the two second spray nozzles 20 is enlarged, the absorption effect on waste gas in the formaldehyde mixed gas is further improved through the spraying, the formaldehyde mixed gas flows downwards through the ventilation groove 31 between the two inclined plates 17 along with the continuous inflow of the formaldehyde mixed gas, the formaldehyde mixed gas is difficult to diffuse through the guidance of the two second arc plates 18, the residence time of the formaldehyde mixed gas in the purifying box 1 is prolonged, meanwhile, along with the spraying of the absorption liquid, the falling absorption liquid is accumulated in the liquid accumulation groove 28, the third spray nozzle 27 is supplied to spray the absorption liquid for the formaldehyde mixed gas between the two second arc plates 18 through the third spray nozzle 27, the mixing effect of the absorption liquid and the formaldehyde mixed gas is better, the absorption effect of waste gas in the formaldehyde mixed gas is better, finally, the formaldehyde mixed gas at the position of the second arc plate 18 is discharged out of the purifying box 1 from the exhaust groove 41, the absorption liquid in the liquid accumulation groove 28 is extracted through the first water pump 29, the depth of the absorption liquid in the liquid accumulation groove 28 is controlled, and the absorption liquid in the liquid accumulation groove 28 can be replaced.
Specifically, first adjusting part includes first cam 13, first cam 13 fixed mounting is at the outer wall of motor 12 output, one side rotation of first cam 13 is connected with connecting axle 14, the inner wall sliding connection of purifying box 1 has first U-shaped frame 6, the inner wall of first U-shaped frame 6 is provided with first tooth 7, the outer wall fixedly connected with first gear 8 of first dwang 4, first gear 8 and first tooth 7 meshing are connected, the top fixedly connected with slide bar 10 of first U-shaped frame 6, slide bar 10 and purifying box 1 sliding connection, connecting axle 14 and slide bar 10 rotate and are connected, the inner wall of purifying box 1 is provided with spacing slide rail 9 that cooperation first U-shaped frame 6 used.
Through the technical scheme, the motor 12 rotates circularly positively and negatively, the rotating angle does not exceed one hundred eighty degrees, the motor 12 is started to drive the first cam 13 to rotate clockwise by one hundred eighty degrees and then rotate anticlockwise by one hundred eighty degrees, when the long end of the first cam 13 rotates to the upper side, the connecting shaft 14 is arranged to push the sliding rod 10 to move upwards, the first U-shaped frame 6 is pulled to move upwards, the first teeth 7 are enabled to move upwards, the first gear 8 is driven to rotate, the first spray head 5 is enabled to swing downwards, when the long end of the first cam 13 rotates downwards, the first spray head 5 is driven to swing upwards, so that the first spray head 5 swings longitudinally and reciprocally in the purifying box 1, the spraying range of the first spray head 5 is promoted, and the effect of absorbing waste gas in formaldehyde mixed gas is good.
Specifically, the second adjusting component comprises a second U-shaped frame 22, the second U-shaped frame 22 is in sliding connection with the purifying box 1, two second teeth 23 are symmetrically arranged on the inner wall of the second U-shaped frame 22, and the first cam 13 is positioned between the two second teeth 23; one end of each second rotating rod 19 penetrates through the purifying box 1 and is fixedly connected with a second gear 21, the two second gears 21 are respectively connected with two second teeth 23 in a meshed mode, and a limiting unit matched with the second U-shaped frame 22 for use is arranged on the outer wall of the purifying box 1.
Through the technical scheme, when the long end of the first cam 13 rotates to the upper side, the first cam 13 pushes the second U-shaped frame 22 to move upwards, drives the two second teeth 23 to move upwards, enables the two second gears 21 to rotate simultaneously, drives the two second rotating rods 19 to rotate simultaneously, enables the two second spray heads 20 to swing transversely in the purifying box 1 simultaneously, promotes the spraying range of the two second spray heads 20, and promotes the absorption of waste gas in formaldehyde mixed gas.
Specifically, the spacing unit includes two limiting plates 24, and two limiting plates 24 symmetry are installed at the outer wall of purifying box 1, and the equal fixedly connected with first slide shaft 25 in bottom of two limiting plates 24, two first slide shafts 25 all with second U-shaped frame 22 sliding connection, the equal fixedly connected with stopper in bottom of two first slide shafts 25, the outer wall of two first slide shafts 25 all overlaps and is equipped with first spring 26.
Through the above technical scheme, after the second U-shaped frame 22 moves upwards, the two first springs 26 are pressed, and when the long ends of the first cams 13 rotate downwards, the second U-shaped frame 22 is pushed to move downwards under the action of the two first springs 26, so that the two second spray heads 20 can swing transversely in the purifying box 1.
Specifically, the feed opening 32 has all been seted up to the inside of two swash plates 17, be provided with ventilation groove 31 between two swash plates 17, the inside fixedly connected with second slide shaft 36 of purifying box 1, the outer wall sliding connection of second slide shaft 36 has connecting block 38, the outer wall cover of second slide shaft 36 is equipped with second spring 37, the one end fixedly connected with connecting plate 33 of connecting block 38, the dog 34 that the top fixedly connected with cooperation ventilation groove 31 used of connecting plate 33, the baffle 35 that the top fixedly connected with cooperation feed opening 32 used of connecting plate 33, the inner wall of purifying box 1 is provided with the interlock unit that cooperation dog 34 used.
Through the above technical scheme, when the formaldehyde mixed gas circulates to the inner concave surfaces of the two corrugated plates 16, the formaldehyde mixed gas needs to move downwards through the ventilation groove 31, the ventilation groove 31 and the blanking opening 32 are sealed through the stop block 34 and the baffle 35, the linkage unit is driven by the motor 12, the ventilation groove 31 and the blanking opening 32 are intermittently opened, the residence time of the formaldehyde mixed gas in the purifying box 1 is improved, the mixing effect of the absorption liquid and the formaldehyde mixed gas is better, meanwhile, along with the spraying of the absorption liquid, the absorption liquid level at the included angle between the inclined plate 17 and the corrugated plates 16 is increased to overflow the blanking opening 32, and the absorption liquid can downwards circulate through the blanking opening 32 and the ventilation groove 31.
Specifically, the linkage unit includes a rotating shaft 39, the rotating shaft 39 is rotationally connected with the purifying box 1, the output end of the motor 12 extends to the inside of the purifying box 1 and is fixedly connected with the rotating shaft 39, and the outer wall of the rotating shaft 39 is fixedly connected with a second cam 40.
Through the above technical scheme, the motor 12 is started and drives the rotating shaft 39 to rotate, so that the second cam 40 rotates, when the long end of the second cam 40 rotates downwards, the stop block 34 and the baffle 35 are pushed to move downwards integrally, the ventilation groove 31 and the feed opening 32 are opened, formaldehyde mixed gas is convenient to circulate downwards, the second spring 37 is compressed, and when the long end of the second cam 40 rotates to the upper side, the stop block 34 and the baffle 35 are pushed to move upwards integrally under the action of the second spring 37, so that the ventilation groove 31 and the feed opening 32 are closed.
Specifically, the first through groove is formed in the stopper 34, and the second through grooves are formed in the two baffles 35.
Through the above technical scheme, after the block 34 and the baffle 35 integrally move downwards, the formaldehyde mixed gas can pass through the first through groove and the second through groove to move downwards.
Specifically, the outer wall of two corrugated plates 16 all is provided with gas detector 44, and air inlet groove 47 has all been seted up to the inside of two corrugated plates 16, and air inlet groove 47 is in same horizontal plane with air outlet groove 41, and the inside symmetry fixedly connected with of purifying box 1 two electric telescopic handle 42, the equal fixedly connected with closing plate 43 of output of two electric telescopic handle 42, closing plate 43 are used for cooperation air outlet groove 41 and air inlet groove 47 to use.
Through above-mentioned technical scheme, the formaldehyde through second arc 18 upwards circulates along one side of swash plate 17 and wave plate 16, detect formaldehyde gas through gas detector 44, detect formaldehyde waste gas and absorb qualified circumstances under, formaldehyde gas can follow exhaust groove 41 department and discharge purifying box 1, detect formaldehyde waste gas and absorb unqualified circumstances under at gas detector 44, through electric telescopic handle 42 pulling closing plate 43 removal, seal exhaust groove 41 through closing plate 43, the air inlet groove 47 on the wave plate 16 is opened this moment, make formaldehyde waste gas reenter purifying box 1 in carry out spray treatment.
Specifically, the first arc-shaped plate 15 is fixedly connected to the inner wall of the purifying box 1 and located between the two corrugated plates 16.
Through above-mentioned technical scheme, can play the effect that blocks to the formaldehyde mixed gas between the outer convex surface of two corrugated plates 16 through first arc 15, effectually block the upward backward flow of partial formaldehyde mixed gas.
The operation method of the spray reaction device for formaldehyde production adopts the spray reaction device for formaldehyde production, and comprises the following steps:
S1: the formaldehyde mixed gas is introduced into the purifying box 1 from the air inlet pipeline 2, the absorption liquid is injected into the purifying box 1 through the liquid inlet pipeline 3, the formaldehyde mixed gas flows downwards between the two corrugated plates 16 after entering the purifying box 1, and the absorption liquid is sprayed through the first spray head 5, the second spray head 20 and the third spray head 27.
S2: the motor 12 drives the first spray heads 5 to longitudinally swing back and forth in the purifying box 1, the two second spray heads 20 to transversely swing back and forth in the purifying box 1, and meanwhile, the motor 12 drives the second cam 40 to rotate, so that the ventilation groove 31 and the feed opening 32 are intermittently opened.
S3: formaldehyde gas is detected by the gas detector 44, and when the detection is qualified, the formaldehyde gas is discharged from the purifying box 1 from the exhaust groove 41, and when the detection is unqualified, the exhaust groove 41 is sealed by the sealing plate 43, and the air inlet groove 37 on the corrugated plate 16 is opened, so that formaldehyde waste gas reenters the purifying box 1 for spraying treatment.
When in use, formaldehyde mixed gas is introduced into the purifying box 1 from the air inlet pipeline 2, absorbing liquid is injected into the purifying box 1 through the liquid inlet pipeline 3, after the formaldehyde mixed gas enters the purifying box 1, the absorbing liquid is sprayed by the first spray nozzle 5 to absorb waste gas in the formaldehyde mixed gas, the motor 12 is started to drive the first cam 13 to rotate clockwise by one hundred eighty degrees and then rotate anticlockwise by one hundred eighty degrees, when the long end of the first cam 13 rotates to the upper side, the connecting shaft 14 is arranged to push the slide bar 10 to move upwards to pull the first U-shaped frame 6 to move upwards to enable the first tooth 7 to move upwards to drive the first gear 8 to rotate to enable the first spray nozzle 5 to swing downwards, when the long end of the first cam 13 rotates downwards, the first spray head 5 is driven to swing upwards, so that the first spray head 5 reciprocates and longitudinally swings in the purifying box 1, and the spraying range of the first spray head 5 is improved; the formaldehyde mixed gas between the outer convex surfaces of the two corrugated plates 16 is blocked by the first arc-shaped plate 15, so that the upward reflux of part of the formaldehyde mixed gas is effectively blocked, the formaldehyde mixed gas circulates between the outer convex surfaces of the two corrugated plates 16 by the two corrugated plates 16 arranged in the purifying box 1, the circulating range of the formaldehyde mixed gas is narrowed by the two outer convex surfaces, the formaldehyde mixed gas is more concentrated in the purifying box 1, the mixing effect of the formaldehyde mixed gas and the absorbing liquid is improved, then the formaldehyde mixed gas circulates between the inner concave surfaces of the two corrugated plates 16, the inner concave surfaces of the two corrugated plates 16 are matched with the two inclined plates 17, the circulation of the formaldehyde mixed gas forms a rotation, so that the formaldehyde mixed gas can be accumulated upwards; meanwhile, the absorption liquid sprayed by the first spray head 5 falls at the included angle between the inclined plate 17 and the corrugated plate 16 and is stored for the second spray head 20 to be used, and the absorption liquid can be sprayed by the second spray head 20 through the extraction of the second water pump 45, so that the formaldehyde mixed gas accumulated above the inclined plate 17 is sprayed; when the long end of the first cam 13 rotates to the upper side along with the starting of the motor 12, the first cam 13 pushes the second U-shaped frame 22 to move upwards, drives the two second teeth 23 to move upwards, simultaneously rotates the two second gears 21, simultaneously drives the two second rotating rods 19 to rotate, simultaneously transversely swings the two second spray heads 20 in the purifying box 1, compresses the two first springs 26 after the second U-shaped frame 22 moves upwards, pushes the second U-shaped frame 22 to move downwards under the action of the two first springs 26 when the long end of the first cam 13 rotates downwards, reciprocates, so that the two second spray heads 20 can transversely swing in the purifying box 1 in a reciprocating way, promoting the absorption of formaldehyde mixed gas waste gas; along with spraying of the absorption liquid, the absorption liquid level at the included angle between the inclined plate 17 and the corrugated plate 16 increases and overflows the blanking opening 32, the absorption liquid can flow downwards through the blanking opening 32 and the ventilation groove 31, the fallen absorption liquid is stored in the liquid accumulation groove 28, the third spray nozzle 27 is supplied for spraying, the absorption liquid in the liquid accumulation groove 28 is pumped by the first water pump 29, the depth of the absorption liquid in the liquid accumulation groove 28 is controlled, and the absorption liquid in the liquid accumulation groove 28 is replaced; the third spray nozzle 27 sprays the absorption liquid to the formaldehyde mixed gas between the two second arc plates 18, so that the mixing effect of the absorption liquid and the formaldehyde mixed gas is better, and the absorption effect of waste gas in the formaldehyde mixed gas is better; formaldehyde passing through the second arc plate 18 flows upwards along one side of the inclined plate 17 and one side of the corrugated plate 16, formaldehyde gas is detected by the gas detector 44, under the condition that formaldehyde waste gas is detected to be absorbed and qualified by the gas detector 44, formaldehyde gas can be discharged out of the purifying box 1 from the exhaust groove 41, under the condition that formaldehyde waste gas is detected to be absorbed and disqualified by the gas detector 44, the sealing plate 43 is pulled to move through the electric telescopic rod 42, the exhaust groove 41 is sealed through the sealing plate 43, and at the moment, the air inlet groove 47 on the corrugated plate 16 is opened, so that formaldehyde waste gas reenters the purifying box 1 for spraying treatment.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a formaldehyde production is with spraying reaction unit, a serial communication port, including purifying box (1), inlet channel (2) are installed at the inner wall top of purifying box (1), the inner wall fixedly connected with feed liquor pipeline (3) of purifying box (1), the one end rotation of feed liquor pipeline (3) is connected with first bull stick (4), the outer wall of first bull stick (4) is provided with first shower nozzle (5), the inner wall of purifying box (1) is provided with the first regulation subassembly that cooperation first bull stick (4) used, the inner wall symmetry fixedly connected with two swash plates (17) of purifying box (1), two swash plates (17) are the upward sloping, two the top of swash plate (17) equal fixedly connected with wave plate (16), two the shape of wave plate (16) is protruding back concave earlier, two the bottom of swash plate (17) equal fixedly connected with second arc plate (18), the below symmetry rotation that just is located first bull stick (4) is connected with two second bull sticks (19), two second bull sticks (45) are connected with second water pump (45) equal top-down, two water pump (45) are connected with second water pump (45), the two second water suction pipes (46) are respectively connected with the two second rotating rods (19), a second adjusting component matched with the second rotating rods (19) for use is arranged on the outer wall of the purifying box (1), a liquid accumulation groove (28) is formed in the bottom of the inner wall of the purifying box (1), a third spray head (27) is arranged in the liquid accumulation groove (28), a first water pump (29) is fixedly connected to the bottom of the purifying box (1), a first water suction pipe (30) is connected to the output end of the first water pump (29), one end of the first water suction pipe (30) extends to the inside of the liquid accumulation groove (28), two air discharge grooves (41) are symmetrically formed in the side face of the purifying box (1), a fixing plate (11) is fixedly connected to the outer wall of the purifying box (1), and a motor (12) is fixedly connected to the top of the fixing plate (11).
The first adjusting component comprises a first cam (13), the outer wall of motor (12) output is fixed to first cam (13), one side rotation of first cam (13) is connected with connecting axle (14), the inner wall sliding connection of purifying box (1) has first U-shaped frame (6), the inner wall of first U-shaped frame (6) is provided with first tooth (7), the outer wall fixedly connected with first gear (8) of first bull stick (4), first gear (8) and first tooth (7) meshing are connected, the top fixedly connected with slide bar (10) of first U-shaped frame (6), slide bar (10) and purifying box (1) sliding connection, connecting axle (14) and slide bar (10) swivelling joint, the inner wall of purifying box (1) is provided with spacing slide rail (9) that cooperation first U-shaped frame (6) used.
2. The spraying reaction device for formaldehyde production according to claim 1, characterized in that the second adjusting component comprises a second U-shaped frame (22), the second U-shaped frame (22) is slidably connected with the purifying box (1), two second teeth (23) are symmetrically arranged on the inner wall of the second U-shaped frame (22), and the first cam (13) is located between the two second teeth (23); one end of each second rotating rod (19) penetrates through the purifying box (1) and is fixedly connected with a second gear (21), each second gear (21) is respectively connected with two second teeth (23) in a meshed mode, and a limiting unit matched with the second U-shaped frame (22) for use is arranged on the outer wall of the purifying box (1).
3. The spraying reaction device for formaldehyde production according to claim 2, wherein the limiting unit comprises two limiting plates (24), the two limiting plates (24) are symmetrically arranged on the outer wall of the purifying box (1), the bottoms of the two limiting plates (24) are fixedly connected with first sliding shafts (25), the two first sliding shafts (25) are slidably connected with second U-shaped frames (22), the bottoms of the two first sliding shafts (25) are fixedly connected with limiting blocks, and the outer walls of the two first sliding shafts (25) are sleeved with first springs (26).
4. The spraying reaction device for formaldehyde production according to claim 3, characterized in that the blanking openings (32) are formed in the two sloping plates (17), ventilation grooves (31) are formed between the two sloping plates (17), a second sliding shaft (36) is fixedly connected to the inside of the purifying box (1), a connecting block (38) is slidably connected to the outer wall of the second sliding shaft (36), a second spring (37) is sleeved on the outer wall of the second sliding shaft (36), one end of the connecting block (38) is fixedly connected with a connecting plate (33), a stop block (34) matched with the ventilation grooves (31) is fixedly connected to the top of the connecting plate (33), a baffle plate (35) matched with the blanking openings (32) is fixedly connected to the top of the connecting plate (33), and a linkage unit matched with the stop block (34) is arranged on the inner wall of the purifying box (1).
5. The spraying reaction device for formaldehyde production according to claim 4, wherein the linkage unit comprises a rotating shaft (39), the rotating shaft (39) is rotationally connected with the purifying box (1), the output end of the motor (12) extends to the inside of the purifying box (1) and is fixedly connected with the rotating shaft (39), and a second cam (40) is fixedly connected with the outer wall of the rotating shaft (39).
6. The spraying reaction device for formaldehyde production according to claim 5, wherein the first through groove is formed in the stopper (34), and the second through grooves are formed in the two baffles (35).
7. The spraying reaction device for formaldehyde production according to claim 6, characterized in that the outer walls of the two corrugated plates (16) are provided with gas detectors (44), the interiors of the two corrugated plates (16) are provided with air inlet grooves (47), the air inlet grooves (47) and the air outlet grooves (41) are positioned on the same horizontal plane, two electric telescopic rods (42) are symmetrically and fixedly connected to the interiors of the purifying box (1), the output ends of the two electric telescopic rods (42) are fixedly connected with sealing plates (43), and the sealing plates (43) are used for being matched with the air outlet grooves (41) and the air inlet grooves (47).
8. The spraying reaction device for formaldehyde production according to claim 7, characterized in that a first arc-shaped plate (15) is fixedly connected between two corrugated plates (16) and the inner wall of the purifying box (1).
9. A method of operating a spray reactor for formaldehyde production using the spray reactor for formaldehyde production of claim 8, comprising: comprises the following steps:
s1: introducing formaldehyde mixed gas into the purifying box (1) from the air inlet pipeline (2), injecting absorption liquid into the purifying box (1) through the liquid inlet pipeline (3), allowing the formaldehyde mixed gas to downwards circulate between the two corrugated plates (16) after entering the purifying box (1), and spraying the absorption liquid through the first spray head (5), the second spray head (20) and the third spray head (27);
S2: the motor (12) drives the first spray heads (5) to longitudinally swing back and forth in the purifying box (1), the two second spray heads (20) are driven to transversely swing back and forth in the purifying box (1), and meanwhile, the motor (12) drives the second cam (40) to rotate, so that the ventilation groove (31) and the blanking opening (32) are intermittently opened;
S3: under the condition that the formaldehyde gas is detected through a gas detector (44), and the formaldehyde gas is discharged from the purifying box (1) from the exhaust groove (41), under the condition that the formaldehyde gas is detected to be unqualified, the exhaust groove (41) is sealed through the sealing plate (43), and the air inlet groove (47) on the corrugated plate (16) is opened, so that the formaldehyde waste gas reenters the purifying box (1) to be sprayed.
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| CN202410306183.3A CN117899647B (en) | 2024-03-18 | 2024-03-18 | Spraying reaction device for formaldehyde production and operation method thereof |
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