Open milling device with air purification function
By using a self-contained air purification open mill device, which employs negative pressure suction and chemical spray filtration technology, the problem of dust and exhaust gas pollution from the open mill is solved, achieving the effects of efficient purification and simplified equipment structure.
Patent Information
- Application Number
- CN202520132899.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The open mill generates serious dust and exhaust gas pollution during the mixing and feeding process. The existing ventilation hoods are improperly installed, which affects the dust removal effect and is very costly.
Design an open mill device with built-in air purification, including baffles, connecting pipes, waste gas treatment tanks, filter plates, spray racks, outlet pipes, gas detection devices, and solenoid valves. It draws in waste gas under negative pressure for chemical spraying and filtration, and uses the gas detection device to detect and divert purified gas. Gases that do not meet the standards are treated again.
It achieves efficient purification of open mill exhaust gas, simplifies equipment structure, reduces installation costs, and improves dust removal efficiency.
Smart Images
Figure CN223735213U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of open mill with air purification, belong to air purification technical field. BACKGROUND
[0002] In the booming manufacturing industry today, the plastic, rubber industry ushered in unprecedented development opportunity. As important equipment in the process of plastic processing, open mill plays a vital role in the mixing, processing and forming of plastic materials, rubber mixing. Open mill is mainly composed of two parallel rollers, and the rollers generate friction by rotating to mix plastic and rubber raw materials. At the same time, dust, waste gas and other pollution will inevitably be generated during mixing and discharging, affecting environmental safety and the physical and mental health of workers.
[0003] In order to solve this problem, most enterprises install ventilation hood above the open mill, collect and treat waste gas and dust through pipeline, which consumes a lot of resources. Moreover, it is difficult to determine the installation position of the ventilation hood from the open mill, which may affect the operation of workers if it is too close, and it may not achieve the effect of dust removal and waste gas removal if it is too high. SUMMARY
[0004] The utility model aims at solving the problem of dust pollution generated by open mill, and proposes an open mill with air purification.
[0005] The technical scheme of the utility model is as follows: an open mill with air purification, comprising a baffle, a connecting pipe, a waste gas treatment tank, a filter plate, a spraying frame, an air outlet pipe, a gas detection device, a first electromagnetic valve and a second electromagnetic valve.
[0006] One end of the connecting pipe is connected to the baffle, and the other end is connected to the waste gas treatment tank; the filter plate and the spraying frame are arranged on the upper part of the waste gas treatment tank to spray and filter the waste gas; the air outlet pipe is arranged on the top of the waste gas treatment tank, and the inlet of the gas detection device is connected to the air outlet pipe; the outlet of the gas detection device is connected to the first electromagnetic valve and the second electromagnetic valve respectively; the purified gas is discharged into the atmosphere by the second electromagnetic valve; the gas that has not been purified is re-purified by the first electromagnetic valve through the connecting pipe and enters the waste gas treatment tank again.
[0007] The baffle is composed of a front baffle and a rear baffle, and the rear baffle is provided with an air inlet hole; the front baffle and the rear baffle form a hollow sealed space; a motor is installed on the front baffle, and the motor shaft extends into the internal space of the front baffle; the blade connected to the motor shaft is placed in the internal space of the baffle; the motor drives the blade to rotate to form negative pressure when it works. The blade is installed on the blade shaft, and the blade shaft is connected to the motor shaft through a coupling.
[0008] The filter plate is a circular structure, which is smaller than the inner diameter of the waste gas treatment tank; the upper part of the filter plate is a conical gas collecting cover, the top of the conical gas collecting cover is connected with an air outlet pipe; the lower part of the filter plate is provided with a spraying frame; a plurality of nozzles are arranged on the spraying frame, and the chemical agent for purifying smoke dust is sprayed out from the nozzles on the spraying frame.
[0009] The gas detection device is provided with an electromagnetic valve electronic controller; the detection result of the gas detection device is converted into an electromagnetic signal, and the electromagnetic signal is used for controlling the opening and closing of the first electromagnetic valve and the second electromagnetic valve through the electromagnetic valve electronic controller; and the filter plate is used for filtering large particle substances in the waste gas.
[0010] The device is installed beside the open mill, negative pressure is generated in the space of the baffle of the open mill, the air inlet holes on the rear baffle suck the waste gas generated by the open mill, the waste gas enters the waste gas treatment tank through the air outlet pipe, the waste gas is purified by chemical water spraying and filtering, and then enters the gas detection device for detection; the purified gas is discharged through the second electromagnetic valve; the unqualified gas is purified again by being sent into the waste gas treatment tank through the air outlet pipe by the first electromagnetic valve until the waste gas is completely purified. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a structural schematic view of the open mill device with air purification function;
[0012] Figure 2 It is a structural schematic view of the baffle;
[0013] In the figure, 1 is a baffle; 2 is a connecting pipe; 3 is a waste gas treatment tank; 4 is a spraying frame; 5 is a filter plate; 6 is an air outlet pipe; 7 is a gas detection device; 8 is a second electromagnetic valve; 9 is a first electromagnetic valve; 11 is a front baffle; 12 is a rear baffle; 13 is an air inlet hole; 14 is a motor; and 15 is a blade. DETAILED DESCRIPTION
[0014] The specific implementation manner of the utility model is shown in Figure 1 and Figure 2 .
[0015] The embodiment
[0016] An open mill device with air purification function, comprising a baffle 1, a connecting pipe 2, a waste gas treatment tank 3, a filter plate 5, a spraying frame 4, an air outlet pipe 6, a gas detection device 7, a first electromagnetic valve 9 and a second electromagnetic valve 8.
[0017] The baffle 1 in the embodiment is composed of a front baffle 11, a rear baffle 12, air inlet holes 13, a motor 14 and blades 15. The front baffle 11 and the rear baffle 12 form a hollow sealed space, and the rear baffle is provided with a plurality of air inlet holes 13; the motor 14 is installed on the front baffle 11, and the blades installed on the motor shaft extend into the space.
[0018] During the operation of the device, the motor 14 drives the blades 15 to rotate at high speed, generating air negative pressure in the sealed space, and sucking the exhaust gas generated during the operation through the air inlet holes 13. The exhaust gas enters the exhaust gas treatment tank 3 through the connecting pipe 2. The upper part of the exhaust gas treatment tank 3 is provided with a filter plate 5 and a spraying frame 4. The filter plate 5 can filter large particles in the exhaust gas, and the plurality of nozzles on the spraying frame 4 spray chemical agents to react with the exhaust gas to achieve the purification effect.
[0019] The purified air is discharged from the exhaust gas treatment tank 3 through the air outlet pipe 6 and will pass through the gas detection device 7. The gas detection device 7 is an air quality detection instrument. The instrument collects air samples and analyzes the concentration of pollutants such as particulate matter, sulfur dioxide and nitrogen dioxide. The gas detection device is provided with an electromagnetic valve electronic controller. The detection results of the gas detection device can be converted into electromagnetic signals, and the signals can be used to open and close the two electromagnetic valves through the electromagnetic valve electronic controller.
[0020] The gas detection device 7 detects the treated gas. When the detection is unqualified, the first electromagnetic valve 9 is opened, and the treated gas is re-entered into the exhaust gas treatment tank 3 through the connecting pipe 2 for purification treatment again. If the detected gas is qualified, the second electromagnetic valve 8 is opened, and the clean gas is discharged into the air.
[0021] The device in the embodiment is installed beside the open mill. Negative pressure is generated in the space of the baffle of the open mill, and the air inlet holes on the rear baffle suck the exhaust gas generated by the open mill. The exhaust gas enters the exhaust gas treatment tank through the air outlet pipe, is purified by chemical agent spraying and filtering, and then enters the gas detection device for detection. The purified gas is discharged through the second electromagnetic valve. The unqualified gas is purified again by the first electromagnetic valve through the air outlet pipe and sent into the exhaust gas treatment tank until the exhaust gas is completely purified.
Claims
1. An open mill device with air purification, characterized in that, The device comprises a baffle, a connecting pipe, a waste gas treatment tank, a filter plate, a spraying frame, an air outlet pipe, a gas detection device, a first electromagnetic valve and a second electromagnetic valve; one end of the connecting pipe is connected with the baffle, and the other end is connected with the waste gas treatment tank; the waste gas treatment tank is provided with the filter plate and the spraying frame at the upper portion, so as to spray and filter the waste gas; the top of the waste gas treatment tank is provided with the air outlet pipe, which is connected with the inlet of the gas detection device; the outlet of the gas detection device is connected with the first electromagnetic valve and the second electromagnetic valve respectively; the purified gas is discharged into the atmosphere by the second electromagnetic valve; the gas which has not been purified is re-purified by the first electromagnetic valve through the connecting pipe and then enters the waste gas treatment tank. The baffle is composed of a front baffle and a rear baffle, and the rear baffle is provided with an air inlet hole; the front baffle and the rear baffle are hollow and sealed; a motor is installed on the front baffle, and the motor shaft extends into the internal space of the front baffle; the blade connected with the motor shaft extends into the internal space of the baffle; the blade is rotated by the motor to form a negative pressure.
2. An open mill device with air purification of its own according to claim 1, characterized in that, The filter plate is in a circular structure and smaller than the inner diameter of the waste gas treatment tank; the upper portion of the filter plate is a conical gas collecting cover, and the top of the gas collecting cover is connected with the air outlet pipe; the lower portion of the filter plate is provided with the spraying frame; a plurality of nozzles are installed on the spraying frame, and the chemical agent for purifying the smoke dust is sprayed from the nozzles on the spraying frame.
3. An open mill device with air purification of its own according to claim 1, characterized in that, An electromagnetic valve electronic controller is arranged in the gas detection device; the detection result of the gas detection device is converted into an electromagnetic signal, and the electromagnetic signal is used to control the opening and closing of the first electromagnetic valve and the second electromagnetic valve through the electromagnetic valve electronic controller.
4. An open mill device with air purification of its own according to claim 1, characterized in that, The blade is installed on the blade shaft, and the blade shaft is connected with the motor shaft through a coupling.
5. An open mill device with air purification of its own according to claim 2, characterized in that, The filter plate filters the large particles in the waste gas.