CN213943675U

CN213943675U - Spraying baking workshop

Info

Publication number: CN213943675U
Application number: CN202022167236.8U
Authority: CN
Inventors: 黄岳; 蔡德宏; 周杰; 李先华
Original assignee: Aerospace Kaitian Environmental Technology Co Ltd
Current assignee: Aerospace Kaitian Environmental Technology Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-13
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a spraying and baking workshop, which comprises a spraying workshop, a drying device, a paint mist filtering device and a waste gas adsorption device; the spraying robot is arranged in the spraying workshop, an air inlet is formed in the top of the spraying robot, an air outlet is formed in the bottom of the spraying robot, and the drying device comprises an air supply pipe and an air heater arranged on the air supply pipe; the paint mist filtering device is connected with the waste gas adsorption device, the waste gas adsorption device is connected with the exhaust funnel through an exhaust fan, the paint mist filtering device is connected with the exhaust outlet, and the blast pipe is connected with the air inlet. The spraying and drying device for the vehicle body components realizes one-stop treatment of the generated waste gas on the premise of ensuring that the vehicle body components such as the high-speed rail and the motor train are not moved to the warehouse.

Description

Spraying baking workshop

Technical Field

The utility model belongs to the technical field of the spraying waste gas is administered, especially, relate to a workshop is toasted in spraying.

Background

It has become a trend to automatically spray vehicle body components such as high-speed rail motor cars, subways, buses, automobiles and the like by using robots. However, the robot used for automatic spraying has the problems of high moving speed of the manipulator, large paint mist dust emission and large paint mist scattering range, and the spraying works uninterruptedly for a long time, thereby bringing difficulty to waste gas treatment. At present, after the spraying of the vehicle body components is finished, the vehicle body components need to enter a drying chamber for drying, spraying waste gas and drying waste gas are divided into two independent parts for treatment, the spraying and drying work cannot be finished once without moving the vehicle body components, most of the treatment technologies are single adsorption technologies or single adsorption and desorption technologies, and the problems of complex treatment systems, poor purification treatment effect and the like exist.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a spray baking workshop, which can prevent the high-speed train and other train components from moving to the warehouse, and can realize the one-stop treatment of the spraying, drying and the generated waste gas of the train components.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a spraying and baking workshop comprises a spraying workshop, a drying device, a paint mist filtering device and a waste gas adsorption device;

the spraying robot is arranged in the spraying workshop, an air inlet is formed in the top of the spraying robot, an air outlet is formed in the bottom of the spraying robot, and the drying device comprises an air supply pipe and an air heater arranged on the air supply pipe;

the paint mist filtering device is connected with the waste gas adsorption device, the waste gas adsorption device is connected with the exhaust funnel through an exhaust fan, the paint mist filtering device is connected with the exhaust outlet, and the blast pipe is connected with the air inlet.

Specifically, the drying device further comprises a fresh air valve and a blower;

the fresh air valve, the air heater and the air feeder are sequentially arranged on the air supply pipe along the airflow direction, the air outlet is communicated to the air supply pipe between the fresh air valve and the air heater through a first bypass, a bypass valve is arranged on the first bypass, and a discharge air valve is arranged on the exhaust funnel.

Specifically, a primary bag filter is further arranged on the air supply pipe and located between the air heater and the first bypass.

Specifically, an air supply valve is further arranged on the air supply pipe and located at the downstream of the air supply machine, a second bypass with a switching valve is arranged on the air supply pipe and located at the downstream of the air supply valve, and the other end of the second bypass is connected with the air supply pipe between the fresh air valve and the primary-effect bag filter.

Specifically, the interior bottom in spraying workshop is equipped with the deposit trench, the air exit sets up on the deposit trench, the air exit through the trench of airing exhaust with paint mist filter equipment connects, bypass trench is adopted to first bypass.

Specifically, a plurality of air inlets and a plurality of air outlets are arranged side by side along the length direction of the spraying workshop;

the air outlet end of the air supply pipe is divided into a plurality of branches connected with the air inlets, and each branch is provided with a segmented air supply valve;

every the air exit all corresponds and is equipped with the trench of airing exhaust, every all be equipped with the trench valve on the trench of airing exhaust.

Specifically, a paint mist filtering element is arranged in the sedimentation trench.

Specifically, a static pressure chamber is arranged above the interior of the spraying workshop.

Specifically, the waste gas adsorption device adopts an activated carbon adsorption device, and the air heater adopts a steam heater.

Concretely, still include desorption fan and catalytic combustor, desorption fan, catalytic combustor and waste gas adsorption equipment form circulation circuit through the desorption pipeline, be equipped with the desorption valve on the desorption pipeline, be equipped with the emission blast gate on the aiutage.

With the prior art, the utility model discloses the beneficial effect who has lies in:

the spraying and baking workshop has the characteristics of simplicity and convenience in installation, compact structure and complete functions, and realizes spraying and drying of vehicle body components and one-stop treatment of generated waste gas on the premise of ensuring that the vehicle body components such as high-speed trains and the like in the spraying workshop are not moved to a warehouse.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a painting baking workshop provided by an embodiment of the present invention;

wherein: 1-a spray shop; 2-a spraying robot; 3-depositing a trench; 4-a trench valve; 5-air exhaust trench; 6-paint mist filtering device; 7-an electric valve; 8-a waste gas adsorption unit; 9-an exhaust fan; 10-a catalytic burner; 11-desorption pipeline; 12-a discharge air valve; 13-discharge hood; 14-a blower; 15-air supply valve; 16-an air heater; 17-primary bag filter; 18-a bypass valve; 19-switching valves; 20-fresh air valve; 21-roof fresh air hood; 22-blast pipe; 23-a sectional air supply valve; 24-static pressure chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, a painting baking plant includes a painting plant 1, a drying device, a paint mist filtering device 6 and a waste gas adsorption device 8; wherein, be equipped with in spraying workshop 1 inside and carry out the spraying robot 2 of spraying the japanning to body components such as high-speed railway motor car in spraying workshop 1, top and bottom in spraying workshop 1 still are equipped with air intake and air exit respectively, drying device includes blast pipe 22 and sets up air heater 16 on blast pipe 22, the air outlet of coating cloud filter equipment 6 and the air intake connection of waste gas adsorption equipment 8, the air outlet of waste gas adsorption equipment 8 passes through exhaust fan 9 and is connected with the aiutage, coating cloud filter equipment 6 is connected with the air exit of spraying workshop 1, blast pipe 22 and the air intake connection of spraying workshop 1. The spraying workshop 1 is a closed place where components such as high-speed rail motor cars and the like are used for spraying paint and drying, and the spraying robot 2 can realize large-area spraying of vehicle body components such as high-speed rail motor cars and the like, and can ensure quick spraying without dead angles and good spraying surface effect by including primer, intermediate paint and finish paint.

In this embodiment, when the waste gas that produces in the spraying process needs to be handled, start exhaust fan 9, the new trend gets into spraying workshop 1 from blast pipe 22, the waste gas that the spraying produced filters dust and coating cloud through coating cloud filter equipment 6 after, get into waste gas adsorption equipment 8 and get rid of the waste gas that the stoving produced, it is outer to arrange through the aiutage, when needing to toast the automobile body component, start air heater 16, outside new trend gets into blast pipe 22 under exhaust fan 9 negative pressure traction, and toast the automobile body component in spraying workshop 1 after the air heater 16 on blast pipe 22 heats, and toast the waste gas that produces and then arrange through the aiutage after coating cloud filter equipment 6 and waste gas adsorption equipment 8 handle.

The spraying and baking workshop has the advantages of being simple and convenient to install, compact in structure and complete in function, and spraying and drying of vehicle body components and one-stop treatment of generated waste gas are achieved on the premise that the vehicle body components such as high-speed trains and the like arranged in the spraying workshop 1 are not moved to a warehouse.

It should be noted that the air heater 16 is used as a heat source during drying, and can be an electric heater or a steam heater to ensure the temperature required for drying the vehicle body components.

Referring to fig. 1, in practical application, the drying device further includes a fresh air valve 20 and a blower 14, the fresh air valve 20, the air heater 16 and the blower 14 are sequentially disposed on an air supply pipe 22 along an air flow direction, an air outlet is communicated to the air supply pipe 22 between the fresh air valve 20 and the air heater 16 through a first bypass, a bypass valve 18 is disposed on the first bypass, and an exhaust air valve 12 is disposed on the exhaust funnel.

Wherein; during the paint spraying and drying process, an air feeder 14 sends outdoor fresh air and circulating air into a spraying workshop 1 to provide gas flowing power, an exhaust air valve 12 is used for a control valve in a drying chamber heating stage, the heating stage can block hot air from being exhausted outwards by closing the valve to achieve rapid heating, a bypass valve 18 is used for a switching valve during paint spraying and drying, the bypass valve 18 is completely closed during paint spraying, the bypass valve 18 is completely opened during drying heating, the opening of the bypass valve 18 is adjusted in proportion according to temperature requirements after the temperature is stably raised, a fresh air valve 20 is used for the switching valve during paint spraying and drying, the fresh air valve is completely opened during paint spraying, the fresh air valve is completely closed during drying heating, and the valve is adjusted in proportion according to temperature requirements after the temperature is stably raised. In the spraying and baking workshop of the embodiment, high-temperature waste gas generated by drying can be conveyed to the spraying workshop 1 again to dry the vehicle body components, so that energy consumption can be saved.

Referring to fig. 1, specifically, a primary bag filter 17 may be further disposed on the air supply pipe 22, the primary bag filter 17 is located between the air heater 16 and the first bypass, and by disposing the primary bag filter 17, fresh air and circulating gas entering the spraying workshop 1 may be filtered, so as to meet the requirement of composite cleanliness.

Referring to fig. 1, in some possible embodiments, a blast valve 15 is further provided on the blast pipe 22 downstream of the blower 14, a second bypass with a switching valve 19 is provided on the blast pipe 22 downstream of the blast valve 15, and the other end of the second bypass is connected to the blast pipe 22 between the fresh air valve 20 and the primary bag filter 17. The air supply valve 15 is used for controlling the air supply amount during paint spraying and the air amount during drying, the switching valve 19 is completely closed during paint spraying, is completely opened during drying and temperature rising, and is proportionally adjusted according to the temperature requirement after the temperature rising is stable to be matched with the bypass valve 18 for use.

Referring to fig. 1, it should be explained that, in practical application, a deposition trench 3 is arranged at the bottom of the painting workshop 1, a paint mist filter element for intercepting the mist can be arranged in the deposition trench 3, the paint mist filter element can adopt an intercepting baffle or an intercepting net, and the paint mist particles can be deposited in the trench after being intercepted by the paint mist filter element. The air exit sets up on deposit trench 3, and the air exit is connected with coating cloud filter equipment 6 through trench 5 of airing exhaust, and the bypass trench is adopted to first bypass. The exhaust pipe way and the first bypass in this embodiment spraying baking workshop all adopt the trench structure, not only can play the effect that the flow equalizes and subsides to the coating cloud, and the exhaust-gas treatment equipment area in spraying workshop 1 is little moreover, and the structure is compacter.

Referring to fig. 1, specifically, a plurality of air inlets and a plurality of air outlets are arranged side by side along the length direction of a spraying workshop 1, the air outlet end of an air supply pipe 22 is divided into a plurality of branches connected with the air inlets, each branch is provided with a segmented air supply valve 23, each air outlet is correspondingly provided with an air exhaust trench 5, and each air exhaust trench 5 is provided with a trench valve 4; the trench valve 4 can control the trench to exhaust air and can be linked with the exhaust fan 9 to realize frequency conversion and energy conservation, the segmented air supply valve 23 is linked with the air feeder 14 to realize frequency conversion and energy conservation and realize segmented air supply, the flow rate of the valve can be adjusted according to the frequency and the paint spraying amount of automatic spraying of a robot, spraying raised dust and paint mist are controlled at a reasonable height, and reasonable air flow organization of air return from top to bottom is formed. The spraying and baking workshop can realize segmented air supply and exhaust and can play a role in energy conservation and emission reduction.

Referring to fig. 1, specifically, a static pressure chamber 24 is arranged above the interior of the spraying workshop 1, the static pressure chamber 24 is used for enabling clean air and circulating gas sent by the air feeder 14 to uniformly enter the spraying workshop 1, the downward drainage effect of dust generated by automatic spraying of the robot is guaranteed, an electric valve 7 is further arranged between the paint mist filtering device 6 and the waste gas adsorption device 8, and the electric valve 7 is used for controlling the air volume and can realize linkage control with the trench valve 4.

Referring to fig. 1, in addition, a discharge hood 13 may be further disposed at the top of the exhaust stack, a roof fresh air hood 21 may be disposed at an air inlet end of the blast pipe 22, the roof fresh air hood 21 may be disposed to shield wind and rain and reduce noise, so that air can smoothly enter the air heater 16 and the static pressure chamber 24, and the discharge hood 13 may be disposed to shield wind and rain and reduce noise, so that purified air is smoothly discharged to the atmosphere.

Referring to fig. 1, in some possible embodiments, the spraying baking workshop further includes a desorption fan and a catalytic combustor 10, the desorption fan, the catalytic combustor 10 and the exhaust gas adsorption device 8 form a circulation loop through a desorption pipeline 11, a desorption valve is arranged on the desorption pipeline 11, an exhaust air valve 12 is arranged on an exhaust funnel, and high-concentration exhaust gas desorbed by activated carbon can be sent to the catalytic combustor 10 through the desorption pipeline 11 for oxidation reaction. Wherein, exhaust gas adsorption device 8 can adopt active carbon adsorption device, and catalytic combustor 10 can automatic control temperature, desorption time, possess and prevent that the waste gas deposit from leading to concentration to exceed the explosion limit, and high temperature desorption gas is sent into active carbon adsorption device and is carried out high temperature analysis desorption regeneration to active carbon, makes active carbon resume adsorption efficiency, and exhaust fan 9 is used for the waste gas after the active carbon adsorption device adsorbs to provide the power that gas flows. This embodiment spraying toasts the workshop and is equipped with desorption equipment, can guarantee that spraying waste gas thoroughly gets rid of totally to provide the place that the active carbon carries out the desorption regeneration of high temperature analysis.

The automatic spraying and drying exhaust gas treatment system can completely complete the whole treatment and emission of the automatic spraying and drying exhaust gas of the robot, is safe and reliable to use, is suitable for the treatment of various types of automatic spraying and drying exhaust gas, can be widely applied to the production industries such as high-speed rail motor cars, subways, buses or metal processing automatic spraying and drying workshops, effectively improves the workshop production environment, has a good purification treatment effect of the automatic spraying exhaust gas, and does not influence the spraying effect of the automatic spraying of the robot.

The above examples are merely illustrative of the present invention clearly and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. The utility model provides a workshop is toasted in spraying which characterized in that: comprises a spraying workshop, a drying device, a paint mist filtering device and a waste gas adsorption device;

2. The paint bake plant of claim 1, wherein: the drying device also comprises a fresh air valve and a blower;

3. The paint bake plant of claim 2, wherein: the air supply pipe is also provided with a primary-effect bag filter, and the primary-effect bag filter is positioned between the air heater and the first bypass.

4. The paint bake plant of claim 3, wherein: and an air supply valve is also arranged on the air supply pipe at the downstream of the air feeder, a second bypass with a switching valve is arranged on the air supply pipe at the downstream of the air supply valve, and the other end of the second bypass is connected with the air supply pipe between the fresh air valve and the primary bag filter.

5. The paint bake plant of claim 4, wherein: the interior bottom in spraying workshop is equipped with the deposit trench, the air exit sets up on the deposit trench, the air exit through the trench of airing exhaust with paint mist filter equipment connects, bypass trench is adopted to first side road.

6. The paint bake plant of claim 5, wherein: the air inlets and the air outlets are arranged in parallel along the length direction of the spraying workshop;

7. The paint bake plant of claim 6, wherein: and a paint mist filtering element is arranged in the sedimentation trench.

8. The paint bake plant of claim 1, wherein: and a static pressure chamber is arranged above the interior of the spraying workshop.

9. The paint bake plant of claim 1, wherein: the waste gas adsorption device adopts an activated carbon adsorption device, and the air heater adopts a steam heater.

10. The paint baking plant according to any one of claims 1 to 9, characterized in that: still include desorption fan and catalytic combustor, desorption fan, catalytic combustor and waste gas adsorption equipment form circulation loop through the desorption pipeline, be equipped with the desorption valve on the desorption pipeline.