CN215463142U

CN215463142U - Formaldehyde production is with spraying absorbing device

Info

Publication number: CN215463142U
Application number: CN202121290967.XU
Authority: CN
Inventors: 袁慧春
Original assignee: Weifang Xudong Chemical Co ltd
Current assignee: Weifang Xudong Chemical Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-01-11
Anticipated expiration: 2031-06-09

Abstract

A spraying absorption device for formaldehyde production relates to the field of formaldehyde production and comprises a shell, an air inlet assembly, a spraying assembly, a mixing assembly, a liquid storage box and a filter element; the lower end of the shell is provided with an air inlet pipe, and the upper end of the shell is provided with an air outlet pipe; the air inlet assembly, the spraying assembly and the filtering piece are arranged inside the shell from bottom to top and are matched with the mixing assembly. The utility model is provided with the air inlet assembly, and the air outlets of air pipes with different heights and different diameters are arranged, so that the air outlets are staggered, and the dispersion and the uniformity of the air outlets are realized; the spraying assembly is arranged to limit the moving path of the formaldehyde, so that the formaldehyde and the absorption liquid are fully absorbed, and the absorption efficiency and effect are improved; set up mixing unit, rotate through the pivot, mixing shaft, scraper blade rotate in step, and the mixing part receives the air current of equidirectional not and sprays the liquid effect, causes the rotation for the mixing of gas-liquid, absorption guarantee formaldehyde and absorption liquid's abundant absorption, improve absorptive efficiency and effect.

Description

Formaldehyde production is with spraying absorbing device

Technical Field

The utility model relates to the field, in particular to a spraying and absorbing device for formaldehyde production.

Background

Formaldehyde, a colorless gas, has a special pungent smell, has a stimulating effect on human eyes, nose and the like, can be prepared by dehydrogenating or oxidizing methanol under the catalysis of metals such as silver, copper and the like, and can also be separated from hydrocarbon oxidation products. It is used as raw material for preparing agricultural chemicals and disinfectant, such as phenolic resin, neral resin, vinylon, urotropine, pentaerythritol and dye. The industrial formaldehyde solution generally contains 37 percent of formaldehyde and 15 percent of methanol, is used as a polymerization inhibitor, has a boiling point of 101 ℃, can generate other waste gases in the formaldehyde production process, and needs to be treated in a spraying mode.

In the existing spraying and absorbing device for formaldehyde production, formaldehyde and absorbing liquid are not uniformly mixed, so that the efficiency and effect of formaldehyde treatment are influenced.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides a spraying and absorbing device for formaldehyde production. The utility model is provided with the air inlet assembly, and the air outlets of air pipes with different heights and different diameters are arranged, so that the air outlets are staggered, and the dispersion and the uniformity of the air outlets are realized; the spraying assembly is arranged to limit the moving path of the formaldehyde, so that the formaldehyde and the absorption liquid are fully absorbed, and the absorption efficiency and effect are improved; set up mixing unit, rotate through the pivot, mixing shaft, scraper blade rotate in step, and the mixing part receives the air current of equidirectional not and sprays the liquid effect, causes the rotation for the mixing of gas-liquid, absorption guarantee formaldehyde and absorption liquid's abundant absorption, improve absorptive efficiency and effect.

(II) technical scheme

In order to solve the problems, the utility model provides a spraying and absorbing device for formaldehyde production, which comprises a shell, an air inlet assembly, a spraying assembly, a mixing assembly, a liquid storage box and a filtering piece, wherein the air inlet assembly is arranged on the shell; the lower end of the shell is provided with an air inlet pipe, and the upper end of the shell is provided with an air outlet pipe; the air inlet assembly, the spraying assembly and the filtering piece are arranged in the shell from bottom to top and are matched with the mixing assembly; the air inlet assembly comprises an air pipe and a connecting pipe; the air pipes are arranged in a plurality of groups, the air pipes are arranged in the vertical direction, adjacent air pipes are communicated through a connecting pipe, and the air pipe at the lowest part is communicated with the air inlet pipe; the spraying assembly comprises a spraying seat and a first water pipe; the spraying seat is connected with the inner wall of the shell and is communicated with the liquid storage tank through a first water pipe, and a spraying through groove is formed in the spraying seat; a spray head communicated with the first water pipe is arranged on the wall of the spraying through groove; the mixing component comprises a driving piece, a rotating shaft, a mixing shaft and a mixing piece; the rotating shaft driven by the driving piece is rotatably arranged in the shell, the lower end of the rotating shaft penetrates through the plurality of groups of air pipes, and the upper end of the rotating shaft is rotatably connected with the spraying seat; the mixing shafts are arranged in a plurality of groups which are dispersedly arranged on the rotating shaft; the mixing member is rotatably disposed on the mixing shaft.

Preferably, the trachea is the annular, and multiunit trachea coaxial setting, and from lower to upper diameter reduces gradually.

Preferably, the lowest air pipe is provided with a mounting seat and is connected with the inner wall of the shell through the mounting seat.

Preferably, the rotating shaft is rotatably arranged on the axes of the plurality of groups of air pipes.

Preferably, the mixing member comprises a rotating sleeve and a mixing paddle; the rotating sleeve is rotationally connected with the mixing shaft; the mixing paddle is arranged on the side wall of the rotating sleeve.

Preferably, the multiple groups of mixing shafts are different in length and are arranged in a staggered mode.

Preferably, the filtering piece is arranged on the air inlet of the air outlet pipe, and the side wall of the filtering piece is provided with a filter screen.

Preferably, the top end of the rotating shaft is provided with a scraper; the scraping plate is provided with a scraping groove matched with the screen surface of the filter screen.

Preferably, the bottom of the shell is provided with a water pipe II; the water outlet end of the water pipe II is communicated with the liquid storage tank through a water pump; a filtering piece is arranged in the liquid storage box.

Preferably, the shell is provided with an exhaust fan; the exhaust fan is communicated with the air outlet pipe.

The technical scheme of the utility model has the following beneficial technical effects:

the air inlet assembly is arranged, air pipes with different heights and different diameters are arranged to discharge air, and the air pipes are staggered to discharge air, so that the discharged air is dispersed and uniform, the absorption liquid can be fully absorbed, and the absorption efficiency and effect are improved;

the spraying assembly is arranged, the absorption liquid is sprayed out through the spraying through groove in the spraying seat, and meanwhile, the formaldehyde also flows out from the spraying through groove, so that the moving path of the formaldehyde is limited, the formaldehyde and the absorption liquid are fully absorbed, and the absorption efficiency and effect are improved;

the mixing component is arranged, the rotating shaft rotates, the mixing shaft and the scraper blade synchronously rotate, the mixing component is subjected to the action of air flows and spraying liquid in different directions to cause autorotation, the mixing and absorption of the air and the liquid are accelerated, the full absorption of formaldehyde and absorption liquid is ensured, the absorption efficiency and effect are improved, and meanwhile, the scraper blade cleans the filtering end of the filtering piece, so that the mesh blockage is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a spraying absorption device for formaldehyde production according to the present invention.

FIG. 2 is a sectional view of a spraying absorption device for formaldehyde production according to the present invention.

Fig. 3 is a schematic structural diagram of an air inlet assembly in the spraying absorption device for formaldehyde production according to the present invention.

FIG. 4 is a schematic diagram showing the relationship between the spray assembly and the mixing assembly in the spray absorption apparatus for formaldehyde production according to the present invention.

Fig. 5 is a partial top view of a spray seat in the spray absorption device for formaldehyde production according to the present invention.

The attached drawings are marked as follows: 1. a housing; 2. an air intake assembly; 3. a spray assembly; 4. a mixing assembly; 5. a filter member; 6. an air outlet pipe; 7. an air inlet pipe; 8. an air tube; 9. a connecting pipe; 10. a mounting seat; 11. a drive member; 12. a rotating shaft; 13. a mixing shaft; 14. a mixing member; 15. a squeegee; 16. scraping the groove; 17. a spray seat; 18. spraying through grooves; 19. a spray head; 20. an exhaust fan; 21. a liquid storage tank; 22. and a first water pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the spraying absorption device for formaldehyde production according to the present invention comprises a housing 1, an air inlet assembly 2, a spraying assembly 3, a mixing assembly 4, a liquid storage tank 21 and a filter element 5; the lower end of the shell 1 is provided with an air inlet pipe 7, and the upper end is provided with an air outlet pipe 6; the air inlet assembly 2, the spraying assembly 3 and the filtering piece 5 are arranged in the shell 1 from bottom to top and are matched with the mixing assembly 4; the air inlet component 2 comprises an air pipe 8 and a connecting pipe 9; the air pipes 8 are arranged in multiple groups, the air pipes 8 are arranged in the vertical direction, adjacent air pipes 8 are communicated through a connecting pipe 9, and the air pipe 8 at the lowest part is communicated with the air inlet pipe 7; the spraying assembly 3 comprises a spraying seat 17 and a first water pipe 22; the spraying seat 17 is connected with the inner wall of the shell 1 and communicated with the liquid storage tank 21 through a first water pipe 22, and a spraying through groove 18 is formed in the spraying seat 17; a spray head 19 communicated with a first water pipe 22 is arranged on the wall of the spraying through groove 18; the mixing assembly 4 comprises a driving piece 11, a rotating shaft 12, a mixing shaft 13 and a mixing piece 14; a rotating shaft 12 driven by a driving part 11 is rotatably arranged in the shell 1, the lower end of the rotating shaft penetrates through a plurality of groups of air pipes 8, and the upper end of the rotating shaft is rotatably connected with a spraying seat 17; the mixing shafts 13 are arranged in a plurality of groups, and the groups of mixing shafts 13 are dispersedly arranged on the rotating shaft 12; the mixing element 14 is rotatably arranged on the mixing shaft 13.

In an alternative embodiment, the air tube 8 is annular, and the plurality of air tubes 8 are coaxially arranged and gradually decrease in diameter from bottom to top.

In an alternative embodiment, the lowermost air tube 8 is provided with a mounting seat 10, and is connected with the inner wall of the housing 1 through the mounting seat 10.

In an alternative embodiment, the rotating shaft 12 is rotatably disposed on the axes of the plurality of groups of air pipes 8.

In an alternative embodiment, mixing member 14 comprises a rotating sleeve and a mixing paddle; the rotating sleeve is rotationally connected with the mixing shaft 13; the mixing paddle is arranged on the side wall of the rotating sleeve.

In an alternative embodiment, the mixing shafts 13 are staggered in different lengths.

In an alternative embodiment, the filter element 5 is arranged at the inlet of the outlet duct 6, and a filter screen is arranged on the side wall.

In an alternative embodiment, the top end of the rotating shaft 12 is provided with a scraper 15; the scraping plate 15 is provided with a scraping groove 16 matched with the screen surface of the filter screen.

In an optional embodiment, a water pipe II is arranged at the bottom of the shell 1; the water outlet end of the water pipe II is communicated with the liquid storage tank 21 through a water pump; a filter member is provided in the liquid storage tank 21.

In an alternative embodiment, a suction fan 20 is provided on the housing 1; the exhaust fan 20 is communicated with the air outlet pipe 6.

The working principle of the utility model is as follows: formaldehyde gas gets into air intake component 2 from intake pipe 7, give vent to anger along the trachea 8 of different positions, form the difference in height, the spray component 3 work of top, spray on the seat 17 and pass through groove 18 blowout absorption liquid, mix with the formaldehyde gas of below, absorb the impurity gas in the formaldehyde, mixing unit 4 work in the mixing process, pivot 12 rotates, mixing shaft 13, scraper blade 15 synchronous rotation, mixing member 14 receives the air current of equidirectional not and sprays the liquid effect, cause the rotation, accelerate the mixing of gas-liquid, the absorption, formaldehyde after the absorption passes through groove 18 that sprays, filter 5 filtration through filtering piece, flow out from outlet duct 6, scraper blade 15 cleans the filter end of filtering piece 5, avoid the mesh to block up, the absorption liquid that flows to casing 1 and issues is shifted to storing liquid case 21 by water pipe two, filter, retrieve.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The spraying absorption device for formaldehyde production is characterized by comprising a shell (1), an air inlet assembly (2), a spraying assembly (3), a mixing assembly (4), a liquid storage box (21) and a filter element (5); the lower end of the shell (1) is provided with an air inlet pipe (7), and the upper end is provided with an air outlet pipe (6); the air inlet assembly (2), the spraying assembly (3) and the filtering piece (5) are arranged in the shell (1) from bottom to top and are matched with the mixing assembly (4);

the air inlet component (2) comprises an air pipe (8) and a connecting pipe (9); the air pipes (8) are arranged in multiple groups, the air pipes (8) are arranged in the vertical direction, adjacent air pipes (8) are communicated through a connecting pipe (9), and the air pipe (8) at the lowest part is communicated with the air inlet pipe (7);

the spraying assembly (3) comprises a spraying seat (17) and a first water pipe (22); the spraying seat (17) is connected with the inner wall of the shell (1) and is communicated with the liquid storage box (21) through a water pipe I (22), and a spraying through groove (18) is formed in the spraying seat (17); a spray head (19) communicated with the first water pipe (22) is arranged on the wall of the spraying through groove (18);

the mixing component (4) comprises a driving piece (11), a rotating shaft (12), a mixing shaft (13) and a mixing piece (14); a rotating shaft (12) driven by a driving part (11) is rotatably arranged in the shell (1), the lower end of the rotating shaft penetrates through a plurality of groups of air pipes (8), and the upper end of the rotating shaft is rotatably connected with a spraying seat (17); a plurality of groups of mixing shafts (13) are arranged, and the groups of mixing shafts (13) are dispersedly arranged on the rotating shaft (12); the mixing element (14) is rotatably arranged on the mixing shaft (13).

2. The spraying and absorbing device for formaldehyde production according to claim 1, wherein the gas pipes (8) are annular, and the plurality of groups of gas pipes (8) are coaxially arranged and gradually decrease in diameter from bottom to top.

3. The spraying and absorbing device for formaldehyde production according to claim 2, wherein the lowest gas pipe (8) is provided with a mounting seat (10) and is connected with the inner wall of the shell (1) through the mounting seat (10).

4. The spraying and absorbing device for formaldehyde production according to claim 3, wherein the rotating shaft (12) is rotatably arranged on the axes of the plurality of groups of air pipes (8).

5. The spray absorption device for formaldehyde production according to claim 1, wherein the mixing member (14) comprises a rotating sleeve and a mixing paddle; the rotating sleeve is rotationally connected with a mixing shaft (13); the mixing paddle is arranged on the side wall of the rotating sleeve.

6. The spraying and absorbing device for formaldehyde production according to claim 1, wherein the mixing shafts (13) have different lengths and are staggered.

7. The spray absorption device for formaldehyde production according to claim 1, wherein the filter (5) is disposed on the inlet of the outlet pipe (6), and the side wall of the filter is provided with a filter screen.

8. The spraying and absorbing device for formaldehyde production according to claim 7, wherein the top end of the rotating shaft (12) is provided with a scraper (15); the scraping plate (15) is provided with a scraping groove (16) matched with the screen surface of the filter screen.

9. The spraying and absorbing device for formaldehyde production according to claim 1, wherein the bottom of the shell (1) is provided with a second water pipe; the water outlet end of the water pipe II is communicated with the liquid storage tank (21) through a water pump; a filter member is provided in the liquid storage tank (21).

10. The spraying and absorbing device for formaldehyde production according to claim 1, wherein the shell (1) is provided with an exhaust fan (20); the exhaust fan (20) is communicated with the air outlet pipe (6).