CN215428015U

CN215428015U - VOC preliminary treatment whirlwind defogging device

Info

Publication number: CN215428015U
Application number: CN202120914212.6U
Authority: CN
Inventors: 田英强; 马红燕; 靖英强; 王健
Original assignee: Hebei Geyuan Environmental Protection Technology Co ltd
Current assignee: Hebei Geyuan Environmental Protection Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-07
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a VOC pretreatment cyclone demisting device, which is characterized in that VOC-containing tail gas is led into an outer box body horizontally placed on the ground through a left air inlet pipe, the tail gas is pretreated by utilizing an inner assembly of the outer box body, an exhaust pipe for exhausting treated gas is arranged on the right side of the upper end of the outer box body in a penetrating manner, a blow-off pipe is arranged on the lower surface of the outer box body in a penetrating manner, the blow-off pipe comprises a dust filtering net and is movably arranged at the lower end of the inner part of the outer box body, an adsorption plate is fixedly arranged above the dust filtering net, and a packing layer is fixedly arranged above the adsorption plate. This VOC preliminary treatment whirlwind defogging device adopts neotype structural design, increases whirlwind defogging device in the top of device for the device also can carry out the defogging operation to the environment on every side when carrying out the preliminary treatment to the VOC gas, increases the functionality of device, makes the utilization of resources maximize, and can utilize the mediation needle constantly to dredge the dirt filtrating screen, thereby need not regularly change or prolong the change cycle.

Description

VOC preliminary treatment whirlwind defogging device

Technical Field

The utility model relates to the technical field of VOC (volatile organic compound) pretreatment, in particular to a VOC pretreatment cyclone demisting device.

Background

VOC is an acronym of volatile organic compounds, and because chemical components are complex and troublesome in purification treatment, the VOC needs to be pretreated by some simple processes before purification, and the purification is carried out after the components are reduced as much as possible.

In the prior art, chinese patent with publication number CN210905561U discloses a VOC exhaust gas pretreatment apparatus, which comprises a filter box, a first filter layer, a filter cartridge, a second filter layer and an actuating mechanism, wherein the first filter layer comprises a first filter cloth and a plurality of guide wheels; the actuating mechanism comprises a driving wheel, a dust removing rod, a driving motor, a swing rod and a connecting rod mechanism, the driving wheel is attached to the inner layer of the first filter cloth, and one end of the swing rod is connected with the connecting rod mechanism; the filter cartridge is detachably arranged at the bottom of the filter box, a third filter layer, an activated carbon layer and a fourth filter layer are sequentially arranged in the filter cartridge, the activated carbon layer is positioned between the third filter layer and the fourth filter layer, and the first filter layer is subjected to dust removal and impurity removal treatment in real time by arranging an action mechanism, so that the cleanness of filter cloth is kept, the filter performance of the filter cloth is improved, and the cleaning and replacing frequency of the filter cloth is reduced; set up the activated carbon layer, preferentially adsorb high boiling point impurity, reduce the high boiling point waste gas that gets into the zeolite runner, improve the adsorption efficiency of runner.

However, in the actual use process, the general pretreatment device can only process the VOC gas, so that the function of the device is single, and after long-term use, the internal dust filter net needs to be replaced, so that the operation is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a VOC pretreatment cyclone demisting device to solve the problems that the function is single and a dust filter screen needs to be replaced periodically in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: VOC preliminary treatment whirlwind defogging device, the tail gas that will contain VOC puts horizontally subaerial outer box internal portion through left side inlet tube is led to, and utilizes outer box internal component carries out the preliminary treatment to tail gas, outer box upper end right side is run through and is provided with the blast pipe that is used for discharge treatment back gas, just outer box lower surface runs through and is provided with the blow off pipe, includes:

the dust filter screen is movably arranged at the lower end in the outer box body, the outer edge of the dust filter screen and the inner part of the outer box body form a sealing structure, and a dredging needle capable of dredging the dust filter screen is arranged above the dust filter screen;

the adsorption plate is fixedly arranged above the dust filter screen and is made of materials with strong adsorbability, such as activated carbon;

the packing layer is fixedly arranged above the adsorption plate, and a plurality of holes capable of slowing the rising speed of the gas are formed in the packing layer;

the spray head is arranged above the packing layer, and the position of the spray head and the position of the packing layer are mutually corresponding up and down;

the rotary impeller is detachably mounted at the top of the outer box body, and the left side and the right side of the rotary impeller are provided with screw rods which can enable the rotary impeller to rise and be conveniently detached and replaced in a penetrating manner.

Preferably, the dust filter net and the outer box body form an elastic structure through a return spring above the dust filter net, the lower surfaces of the left side and the right side of the dust filter net are provided with cams capable of pushing the dust filter net to ascend, the dust filter net can be pushed upwards through rotation of the cams, and then returns to the original position under the action of the return spring, and the dust filter net and the outer box body move in a reciprocating mode.

Preferably, the dust filter screen below is provided with the cleaning brush that can clear up its lower surface, and the horizontal helical gear synchronous revolution that just cleaning brush can drive the left and right sides, and the motor can drive horizontal helical gear and take place to rotate simultaneously when driving the cleaning brush and clear up the dust filter screen.

Preferably, the transverse helical gear and the longitudinal helical gear form an engagement structure, the longitudinal helical gear and the cam are welded to form a fixed structure, and the transverse helical gear can drive the longitudinal helical gear engaged with the transverse helical gear to synchronously rotate while rotating, so that the cam is driven to rotate.

Preferably, the rotary impeller passes through the lead screw with outer box constitution elevation structure, just lead screw bottom fixed mounting has the internal gear, can drive rotary impeller rebound through the rotation of lead screw to conveniently change it.

Preferably, the inner gear rotates synchronously along with the outer gear meshed and connected with the outer side, a rotating ring which is convenient to rotate is fixedly arranged on the outer surface of the outer gear, the outer gear fixedly arranged on the inner side drives the inner gear meshed and connected with the outer gear to rotate through rotation of the rotating ring, and therefore the screw rod is driven to rotate.

Compared with the prior art, the utility model has the beneficial effects that: this VOC preliminary treatment whirlwind defogging device adopts neotype structural design, increases whirlwind defogging device in the top of device for the device also can carry out the defogging operation to the environment on every side when carrying out the preliminary treatment to the VOC gas, increases the functionality of device, makes the resource maximize, and can utilize the mediation needle constantly to dredge the dirt filtrating screen, thereby need not regularly change or prolong the change cycle.

1. Cooperation between impeller, lead screw, internal gear and the external gear is used, utilizes impeller's rotation to inhale inside and carry out the defogging with surrounding air, increases the function of device to can be through rotating the external gear according to the particular case of surrounding environment, make the internal gear of being connected with it meshing drive the lead screw with impeller rebound, the impeller of conveniently changing different diameters uses.

2. The dredging needle, the reset spring, the transverse helical gear, the longitudinal helical gear and the cam are matched for use, the cleaning brush rotates while the transverse helical gears on the left side and the right side are driven to rotate, so that the longitudinal helical gear in meshed connection with the cleaning brush drives the cam to rotate, the dust filter net is pushed upwards, the dredging needle penetrates through the dust filter net, the dredging purpose is achieved, and then the dredging needle returns to the original position under the action of the reset spring.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of a portion a of FIG. 1 according to the present invention;

FIG. 3 is a side view of the cam of the present invention;

FIG. 4 is an enlarged view of the structure at b in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the structure A-A of FIG. 1 according to the present invention.

In the figure: 1. an outer case; 2. an air inlet pipe; 3. an exhaust pipe; 4. a blow-off pipe; 5. a dust filter screen; 6. an adsorption plate; 7. a filler layer; 8. a shower head; 9. rotating the impeller; 10. a return spring; 11. dredging needles; 12. cleaning the brush; 13. a lateral helical gear; 14. a longitudinal helical gear; 15. a cam; 16. a rotating ring; 17. an outer gear; 18. an internal gear; 19. and a screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: VOC preliminary treatment whirlwind defogging device lets in the level through left side intake pipe 2 with the tail gas that contains VOC and puts in the outer box 1 inside subaerial to utilize 1 internal component of outer box to carry out the preliminary treatment to tail gas, outer 1 upper end right sides of the box run through and are provided with the blast pipe 3 that is used for the exhaust to handle the back gas, and outer 1 lower surfaces of the box run through and be provided with blow off pipe 4, include:

the dust filter 5 is movably arranged at the lower end in the outer box body 1, the outer edge of the dust filter 5 and the inner part of the outer box body 1 form a sealing structure, and a dredging needle 11 capable of dredging the dust filter 5 is arranged above the dust filter 5;

the adsorption plate 6 is fixedly arranged above the dust filtering net 5, and the adsorption plate 6 is made of materials with strong adsorbability, such as activated carbon and the like;

the packing layer 7 is fixedly arranged above the adsorption plate 6, and a plurality of holes capable of slowing the rising speed of the gas are formed in the packing layer 7;

the spray header 8 is arranged above the packing layer 7, and the position of the spray header 8 corresponds to the position of the packing layer 7 up and down;

the rotary impeller 9 is detachably arranged at the top of the outer box body 1, and the left side and the right side of the rotary impeller 9 are provided with screw rods 19 which can be lifted conveniently and detached for replacement.

The dust filtering net 5 and the outer box body 1 form an elastic structure through the reset spring 10 above, the lower surfaces of the left side and the right side of the dust filtering net 5 are provided with cams 15 capable of pushing the dust filtering net to ascend, the lower surface of the dust filtering net 5 is provided with a cleaning brush 12 capable of cleaning the lower surface of the dust filtering net, the cleaning brush 12 can drive the transverse helical gears 13 on the left side and the right side to synchronously rotate, the transverse helical gears 13 and the longitudinal helical gears 14 form an engaging structure, and the longitudinal helical gears 14 and the cams 15 are welded to form a fixed structure.

Firstly, tail gas containing VOC generated in production is introduced into the inner part of an outer box body 1 from an air inlet pipe 2 at the lower end of the left side and the right side of the device, gas moves from bottom to top in the outer box body 1, the solid matter containing larger particles is removed by filtering of a dust filtering net 5, meanwhile, an internal motor drives a cleaning brush 12 to rotate, the cleaning brush 12 can drive transverse bevel gears 13 at the left side and the right side to rotate while rotating, so that a longitudinal bevel gear 14 meshed and connected with the cleaning brush drives a cam 15 to synchronously rotate, the dust filtering net 5 is upwards pushed to pass through a dredging needle 11 above, the meshes of the dust filtering net 5 are dredged, then the cleaning brush returns to the original position under the pulling of a return spring 10, the surface of the cleaning brush 12 is cleaned by the rotation of the cleaning brush 12, the gas continues to move upwards to an adsorption plate 6 after being filtered, and the active carbon is used for adsorbing some small particles which are easy to adsorb, finally, the ascending speed is slowed down through the packing layer 7, meanwhile, the upper spray header 8 sprays water to wet the gas, soluble substances and dust in the gas are removed, sewage flows out from the lower sewage discharge pipe 4, and the residual gas is discharged from the upper exhaust pipe 3.

The rotary impeller 9 and the outer box body 1 form a lifting structure through a screw rod 19, an inner gear 18 is fixedly mounted at the bottom end of the screw rod 19, the inner gear 18 synchronously rotates along with an outer gear 17 which is meshed and connected with the outer side, and a rotating ring 16 which is convenient to rotate is fixedly arranged on the outer surface of the outer gear 17.

The rotating impeller 9 above the outer box 1 rotates to demist the surrounding air while the pretreatment is carried out, and when different environmental conditions are faced, the rotating ring 16 on the outer side rotates to drive the outer gear 17 fixedly arranged on the inner side surface to rotate, so that the inner gear 18 meshed with the inner gear drives the screw rod 19 to synchronously rotate, the rotating impeller 9 is moved to the uppermost part of the outer box 1, and then the original rotating impeller 9 is taken down and replaced by the rotating impeller 9 with a proper diameter for use.

The working principle is as follows: when the device is used, according to the structure shown in the figures 1-5, firstly, tail gas is introduced into the outer box body 1, the internal dust filtering net 5, the adsorption plate 6 and the spray header 8 are utilized to carry out pretreatment before the tail gas is thoroughly treated, so that the components contained in the tail gas are reduced as much as possible, the dredging needle 11 is utilized to dredge the dust filtering net 5, the replacement period is prolonged, even replacement is not needed, the rotary impeller 9 above the pretreatment can carry out demisting operation on the surrounding air, when different environmental conditions are faced, the rotary impeller 9 can be moved upwards to conveniently replace the rotary impellers 9 with different diameters for use, and the working principle of the VOC pretreatment demisting cyclone device is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

The utility model provides a VOC preliminary treatment whirlwind defogging device lets in the level through left side intake pipe (2) with the tail gas that contains VOC and puts inside outer box (1) subaerial, and utilizes outer box (1) inner assembly carries out the preliminary treatment to tail gas, outer box (1) upper end right side is run through and is provided with blast pipe (3) that are used for the exhaust to handle the back gas, just outer box (1) lower surface runs through and is provided with blow off pipe (4), its characterized in that includes:

the dust filtering net (5) is movably arranged at the lower end in the outer box body (1), the outer edge of the dust filtering net (5) and the inner part of the outer box body (1) form a sealing structure, and a dredging needle (11) capable of dredging the dust filtering net (5) is arranged above the dust filtering net (5);

the adsorption plate (6) is fixedly arranged above the dust filtering net (5), and the adsorption plate (6) is made of materials with strong adsorbability, such as activated carbon;

the packing layer (7) is fixedly arranged above the adsorption plate (6), and a plurality of holes capable of slowing the rising speed of the gas are formed in the packing layer (7);

the spray header (8) is arranged above the packing layer (7), and the position of the spray header (8) corresponds to the position of the packing layer (7) up and down;

the rotary impeller (9) is detachably mounted at the top of the outer box body (1), and screw rods (19) which can enable the rotary impeller (9) to ascend and are convenient to detach and replace are mounted on the left side and the right side of the rotary impeller in a penetrating mode.
2. The VOC pretreatment cyclonic defogging device as recited in claim 1, wherein: the dust filtering net (5) and the outer box body (1) form an elastic structure through a return spring (10) above, and cams (15) capable of pushing the dust filtering net (5) to ascend are arranged on the lower surfaces of the left side and the right side of the dust filtering net.
3. The VOC pretreatment cyclonic defogging device as recited in claim 1, wherein: and a cleaning brush (12) capable of cleaning the lower surface of the dust filtering net (5) is arranged below the dust filtering net, and the cleaning brush (12) can drive the transverse helical gears (13) on the left side and the right side to synchronously rotate.
4. The VOC pretreatment cyclonic defogging device as recited in claim 3, wherein: the transverse helical gear (13) and the longitudinal helical gear (14) form an engagement structure, and the longitudinal helical gear (14) and the cam (15) are welded to form a fixed structure.
5. The VOC pretreatment cyclonic defogging device as recited in claim 1, wherein: the rotary impeller (9) and the outer box body (1) form a lifting structure through a screw rod (19), and an inner gear (18) is fixedly mounted at the bottom end of the screw rod (19).
6. The VOC pretreatment cyclonic defogging device as recited in claim 5, wherein: the inner gear (18) synchronously rotates along with the outer gear (17) which is meshed and connected with the outer side, and a rotating ring (16) which is convenient to rotate is fixedly arranged on the outer surface of the outer gear (17).