CN210614604U

CN210614604U - Smoke dust collecting and processing device

Info

Publication number: CN210614604U
Application number: CN201920982378.4U
Authority: CN
Inventors: 文力; 刘皎; 靳贵铭; 颜苏芊
Original assignee: Xian Polytechnic University
Current assignee: Xian Polytechnic University
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-26
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a smoke and dust collecting and processing device, which comprises a welding smoke and dust purifier, wherein the air inlet of the welding smoke and dust purifier is connected with an air pipe, a plurality of smoke and dust collecting pipes are connected on the air pipe in a communicating way, one end of each smoke and dust collecting pipe is connected with the air pipe in a communicating way, and the other end of each smoke and dust collecting pipe is connected with a dust hood; the side wall of each smoke dust collecting pipe is communicated and connected with a fan through a hose, and each hose is arranged at an angle with the corresponding smoke dust collecting pipe; and each smoke dust collecting pipe is provided with a fire-proof valve. The utility model discloses processing apparatus is collected to smoke and dust utilizes the negative pressure principle, can collect and handle the welding smoke and dust, has improved the air quality in weldment work area greatly.

Description

Smoke dust collecting and processing device

Technical Field

The utility model belongs to the technical field of the smoke and dust purifier, a smoke and dust collection processing apparatus is related to.

Background

The welding fume treatment technology means that various pollution types and great harm are generated in the welding process, various occupational diseases (such as silicosis, manganese poisoning, electro-optic ophthalmia and the like) can be caused, and the welding fume treatment technology becomes a large environmental pollution. With the further research, the treatment technology is improved, and the welding pollution is controlled relatively effectively. The pollution in the welding process is serious, the environment and welders are greatly harmed, and the smoke dust treatment is started from three aspects of pollution sources, treatment ways and personal protection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a processing apparatus is collected to smoke and dust, can improve the air quality of welding work region.

The utility model adopts the technical proposal that the smoke dust collecting and processing device comprises a welding smoke dust purifier, wherein an air inlet of the welding smoke dust purifier is connected with an air pipe, a plurality of smoke dust collecting pipes are connected on the air pipe in a communicating way, one end of each smoke dust collecting pipe is connected with the air pipe in a communicating way, and the other end of each smoke dust collecting pipe is connected with a dust hood; the side wall of each smoke dust collecting pipe is communicated and connected with a fan through a hose, and each hose is arranged at an angle with the corresponding smoke dust collecting pipe; and each smoke dust collecting pipe is provided with a fire-proof valve.

The utility model discloses a characteristics still lie in:

the side wall of the air pipe is communicated with a variable frequency fan.

Still set frequency conversion fan control system on the tuber pipe, frequency conversion fan control system includes the PID controller, and the PID controller is connected with the converter signal of frequency conversion fan, and it has a wind pressure sensor to go back signal connection on the PID controller, and wind pressure sensor installs and is close to welding smoke and dust clarifier department in the tuber pipe.

And a one-way valve is arranged in each smoke dust collecting pipe, and the fire-proof valve is positioned close to the dust hood.

Each smoke collecting pipe is provided with an electric valve, and each dust collecting cover is provided with a temperature sensor and a smoke concentration sensor; all set temperature smoke and dust control system on every smoke and dust collecting pipe, temperature smoke and dust control system includes the controller, and the controller is with motorised valve, fan, temperature sensor and the equal signal connection of smoke and dust concentration sensor.

The fan is connected between the electric valve and the fire valve.

The utility model has the advantages that:

the utility model discloses processing apparatus is collected to smoke and dust utilizes the negative pressure principle, can collect and handle the welding smoke and dust, has improved the air quality in weldment work area greatly.

Drawings

FIG. 1 is a schematic structural view of the smoke collecting and processing device of the present invention;

FIG. 2 is a schematic structural view of a frequency conversion fan control system in the smoke dust collecting and processing device of the present invention;

fig. 3 is a schematic structural diagram of a temperature smoke control system in the smoke collecting and processing device of the present invention.

In the figure, 1, a welding smoke purifier, 2, an air pipe, 3, a variable frequency fan, 4, a PID controller, 5, a wind pressure sensor, 6, a smoke collecting pipe, 7, a dust hood, 8, a fire valve, 9, an electric valve, 10, a check valve, 11, a fan, 12, a manufacturing device, 13, a temperature sensor and 14, a smoke concentration sensor.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The smoke collecting and processing device comprises a welding smoke purifier 1, wherein an air inlet of the welding smoke purifier 1 is communicated and connected with an air pipe 2, the side wall of the air pipe 2 is connected with a variable frequency fan 3 through an air pipe hose, the air pipe hose is obliquely connected with the air pipe 2, and the included angle between one side of the air pipe 2, far away from the welding smoke purifier 1, and the air pipe hose is not more than 45 degrees;

the tuber pipe 2 still installs as shown in fig. 2 frequency conversion fan control system, and frequency conversion fan control system includes PID controller 4, and PID controller 4 and frequency conversion fan 3's converter signal connection, the last signal connection that still has wind pressure sensor 5 of PID controller 4, and this wind pressure sensor 5 is located 2 interior welding smoke and dust purifiers 1 departments of being close to of tuber pipe.

Still the UNICOM is connected with a plurality of smoke and dust collecting pipes 6 on the lateral wall of tuber pipe 2, and the one end of every smoke and dust collecting pipe 4 all is connected with the lateral wall intercommunication of tuber pipe 2, and the equal rigid coupling of the other end of every smoke and dust collecting pipe 4 has suction hood 7. All set fire prevention valve 8, motorised valve 9 and check valve 10 in proper order in every smoke and dust collecting pipe 4, wherein fire prevention valve 8 all is located and is close to the suction hood department, still is connected with fan 11 through the hose intercommunication on the lateral wall of every smoke and dust collecting pipe 6, and the hose is located between fire prevention valve 8 and motorised valve 9 with smoke and dust collecting pipe 6 junction, and hose and smoke and dust collecting pipe 6 slope are connected, and the contained angle that one side that smoke and dust collecting pipe 6 is close to suction hood 7 and hose is not more than 45.

Each smoke collecting pipe 6 is provided with a temperature smoke control system shown in fig. 3, the smoke control system comprises a controller 12 with the model number of AT89Sxx or stm32, a temperature sensor 13 and a smoke concentration sensor 14 are connected to the controller 12 through signals, the temperature sensor 13 and the smoke concentration sensor 14 are located AT the air inlet of the dust hood 7, and the controller 12 is further connected with an electric valve 9 and the signals.

In the smoke dust collecting and processing device, the dust hood 7 can capture high-temperature smoke gas, and the smoke dust collecting pipe 6 and the air pipe 2 which are connected with the dust hood transmit the high-temperature smoke gas to the welding smoke dust purifier 1 for purification; after the fan 11 is started, the negative pressure balance between the dust hood 7 and the smoke collecting pipe 6 can be ensured, and the high-temperature smoke sucked into the smoke collecting pipe 6 or the gas collecting hood 7 is prevented from escaping; the fire-proof valve 8 is arranged close to the smoke dust collecting pipe 6, the fire-proof valve 8 is in an opening state under the condition that the smoke dust processing device normally operates, when the temperature in the smoke dust collecting pipe 6 exceeds 280 ℃, the fusible piece is fused, and the fire-proof valve 8 is automatically closed under the action of torsional spring force to prevent the fire from spreading. Can meet the requirements of fire-resistant stability and fire-resistant integrity within a certain period of time, and has the functions of smoke isolation and fire retardation. The one-way valve 10 can control the one-way flow of the welding gas entering the smoke dust collecting pipe 6 to prevent the welding machine gas from flowing back; meanwhile, the opening and closing of the electric valve 9 in the smoke collecting pipe 6 can be controlled according to the temperature and the smoke concentration at the gas collecting hood 7, so that the work of the smoke collecting pipe 6 can be intelligently controlled, and the air quality of a welding workshop is ensured; the frequency of the variable frequency fan 3 is controlled according to the flow of the welding fume flowing into the fume purifier 1, so that the energy loss can be reduced, and the fume purifier is protected.

The utility model discloses processing apparatus is collected to smoke and dust specifically operates according to following method when using:

setting a smoke concentration value and an upper limit of a temperature value at an air inlet of the dust hood 7 in the controller 12, then sensing the temperature at the dust hood 7 through the temperature sensor 13, and transmitting the sensed temperature data to the controller 12; the welding fume concentration at the dust hood 7 is sensed through a fume concentration sensor 14, and the sensed welding fume concentration data is transmitted to the controller 12;

the controller 12 judges the received temperature data and the received smoke concentration data, if the temperature data and the concentration data received by the controller 12 reach the upper limit value, the controller 12 controls the electric valve 9 and the fan 11 to be opened, at the moment, the gas collecting hood 7 starts to collect welding smoke gas, and the welding smoke gas is transmitted to the welding smoke purifier 1 through the smoke collecting pipe 6 and the air pipe 2 for purification treatment;

the wind pressure sensor 5 senses the flow of the welding fume entering the welding fume purifier 1 and transmits the sensed data to the PID controller 4, and the PID controller 4 controls the frequency of the variable frequency fan 3 according to the received sensed data; if the flow of the smoke is too large, the variable frequency fan 3 is controlled to slow down, and the flow of the smoke entering the smoke purifier 1 is reduced; if the flow of the smoke is too small, the variable frequency fan 3 is controlled to accelerate, so that the flow of the smoke entering the smoke purifier 1 is increased.

The utility model discloses processing apparatus is collected to smoke and dust utilizes the negative pressure principle, can be intelligent collect and handle the welding smoke and dust, has improved the air quality in welding work area territory greatly.

Claims

1. The smoke and dust collecting and processing device is characterized by comprising a welding smoke and dust purifier (1), wherein an air inlet of the welding smoke and dust purifier (1) is connected with an air pipe (2), a plurality of smoke and dust collecting pipes (6) are connected to the air pipe (2) in a communicating mode, each smoke and dust collecting pipe (6) is connected with the air pipe (2) in a communicating mode, and each smoke and dust collecting pipe (6) is connected with a dust hood (7) at the other end.

2. A smoke collection and treatment apparatus according to claim 1, wherein each said smoke collection pipe (6) is provided with a fire damper (8).

3. A smoke collecting and treating device according to claim 2, wherein a one-way valve (10) is provided in each of said smoke collecting pipes (6), said fire damper (8) being located close to the dust hood (7).

4. The smoke collecting and processing device according to claim 1, wherein a variable frequency fan (3) is connected to the side wall of the air pipe (2).

5. The smoke collecting and processing device according to claim 4, wherein a variable frequency fan control system is further provided on the air pipe (2), the variable frequency fan control system comprises a PID controller (4), the PID controller (4) is in signal connection with a frequency converter of the variable frequency fan (3), the PID controller (4) is further in signal connection with a wind pressure sensor (5), and the wind pressure sensor (5) is installed in the air pipe (2) and is close to the welding smoke purifier (1).

6. The smoke collecting and processing device according to claim 1, wherein the side walls of the smoke collecting pipes (6) are respectively connected with a fan (11) through a hose in a communication mode, and each hose is arranged at an angle with the corresponding smoke collecting pipe (6).

7. The fume collecting and processing device according to claim 6, characterized in that each fume collecting pipe (6) is provided with an electric valve (9), and each dust hood (7) is provided with a temperature sensor (13) and a fume concentration sensor (14); each smoke collecting pipe (6) is provided with a temperature smoke control system, each temperature smoke control system comprises a controller (12), and the controllers are in signal connection with an electric valve (9), a fan (11), a temperature sensor (13) and a smoke concentration sensor (14).

8. A smoke collecting and treating device according to claim 7, wherein said fan (11) is connected between the electric valve (9) and the fire damper (8).