Air filter applied to dust-free laboratory
By introducing a dual filtration structure and pulsed airflow desorption technology into the air filter, the problem of poor filtration effect in cleanrooms has been solved, achieving a highly efficient and flexible air filtration effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-20
AI Technical Summary
Existing air filters are insufficient for achieving dual gas filtration and purification in cleanrooms, and their filtration efficiency needs to be improved.
It adopts a dual filtration structure, including a filter element and a discharge electrode and a dust collection electrode in the ceramic base. The second filtration is achieved by electric field adsorption, and the dust on the filter element is desorbed by pulsed airflow to maintain a high-efficiency filtration effect.
It achieves dual filtration, significantly improving the air filtration effect in cleanrooms, and maintains the filter's high-efficiency operation through pulsed airflow, ensuring the filter's flexibility and convenience.
Smart Images
Figure CN224018504U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the air filter applied to dustless laboratory in the air filtering technical field of dustless laboratory, especially a kind of air filter applied to dustless laboratory. BACKGROUND
[0002] In dustless laboratory, air filtration is the key link to ensure the purity of experimental environment.Dustless laboratory has extremely high requirements on air quality, and tiny dust particles can interfere with experimental results, even leading to experimental failure, and the whole process needs to be realized through air filter.
[0003] The existing air filter has deficiencies in realizing double gas filtration and purification, and the overall filtering effect needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of air filter applied to dustless laboratory can carry out double filtration operation, and the filtering effect is strong.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] An air filter applied to dustless laboratory, comprising a filter box, a filter core is installed at the inside middle position of the filter box, an adsorption box is fixedly connected on the side surface of the filter box, an exhaust pipe is fixedly connected on the side surface of the filter box, the gas outlet end of the exhaust pipe is in space communication with the inside one end of the adsorption box, a ceramic base is fixedly installed on the inner wall of the adsorption box, a discharge electrode and a dust collecting electrode are respectively fixedly installed on the symmetrical inner wall of the ceramic base.
[0007] By adopting the above technical scheme, double filtration treatment can be carried out, and the air purification effect is strong.
[0008] Further, a plurality of position corresponding through-slots are arranged on the lower surface of the ceramic base and the lower surface of the adsorption box, and the through-slots and the plurality of dust collecting electrodes are alternately distributed, a dust hopper is fixedly installed on the lower surface of the adsorption box, and the dust hopper is position corresponding to the through-slots on the lower surface of the adsorption box.
[0009] By adopting the above technical scheme, the dust adsorbed on the dust collecting electrode can fall into the inside of the dust hopper.
[0010] Further, a plurality of porous plates are fixedly installed in the inside of the adsorption box, and the porous plates are located between the ceramic base and the gas outlet end of the exhaust pipe.
[0011] By adopting the above technical scheme, uniform distribution operation can be carried out on the gas entering the inside of the adsorption box.
[0012] Further, the side surface of the filter box is fixedly connected with an air inlet pipe, the air inlet pipe communicates with the lower space of the filter core, the air outlet pipe communicates with the upper space of the filter core, and the first electromagnetic valve is fixedly installed in the pipeline of the air inlet pipe and the air outlet pipe.
[0013] By adopting the technical scheme, the filter core can be stably desorbed.
[0014] Further, the upper end surface of the filter box is fixedly connected with a pulse pipe, and the pulse air pump is fixedly installed in the pipeline of the pulse pipe.
[0015] By adopting the technical scheme, the pulse air flow for desorption of the filter core can be generated.
[0016] Further, the dust collecting cover is installed at the lower end opening of the filter box, and the dust discharging hose is fixedly installed at the discharging end of the dust collecting cover, and the second electromagnetic valve is installed in the pipeline of the dust discharging hose.
[0017] By adopting the technical scheme, the dust can be effectively discharged to the outdoor.
[0018] To sum up, the beneficial technical effects of the utility model are as follows:
[0019] 1. The utility model discloses a filter, which can guide the gas needing to be filtered into the inside of the filter box through the air inlet pipe when working, carry out the first heavy filtering operation on the gas to be filtered through the filter core in the inside of the filter box, guide the gas after the first heavy filtering into the inside of the adsorption box through the air outlet pipe, make the gas after the first heavy filtering pass through the inside of the ceramic base, start the discharge electrode at this moment, generate the electric field between the discharge electrode and the dust collecting electrode, and the gas after the first heavy filtering will be adsorbed on the outer surface of the dust collecting electrode when passing through the discharge electrode and the dust collecting electrode, so that the second heavy filtering operation can be carried out on the gas to be treated, and the double heavy filtering structure can greatly improve the air filtering effect of the dustless laboratory.
[0020] 2. The utility model discloses a filter, which can close two first electromagnetic valves after filtering for a period of time, then open the second electromagnetic valve, start the pulse air pump, make the pulse air flow generated by the pulse air pump enter the inside upper end of the filter box along the pulse pipe, then pass through the filter core reversely, so that the dust adsorbed on the filter core can be desorbed and treated, the desorbed dust is discharged to the outdoor along the dust discharging hose, the filter can always maintain the high filtering effect, and the whole operation is flexible and convenient, and the overall practicality is high. ACCURACY
[0021] Figure 1 It is the first perspective view of the utility model's three-dimensional structure.
[0022] Figure 2 It is the second perspective view of the utility model's three-dimensional structure.
[0023] Figure 3 It is internal structure diagram of the utility model.
[0024] In the drawing: 1, filter box; 2, air inlet pipe; 3, first electromagnetic valve; 4, pulse air pump; 5, pulse pipe; 6, second electromagnetic valve; 7, dust removal hose; 8, adsorption box; 9, dust hopper; 10, exhaust pipe; 11, ceramic base; 12, dust collecting electrode; 13, filter core; 14, discharge electrode; 15, perforated plate. DETAILED DESCRIPTION
[0025] The utility model method is further explained in detail below in combination with the drawings.
[0026] Referring to Figure 1 , Figure 2 , Figure 3 An air filter applied to dustless laboratory, including filter box 1, the inside intermediate position of filter box 1 is installed with filter core 13, is fixedly connected with adsorption box 8 on the side surface of filter box 1, is fixedly connected with exhaust pipe 10 on the side surface of filter box 1, and the exhaust end of exhaust pipe 10 is in space communication with the inside one end of adsorption box 8, is fixedly installed with ceramic base 11 on the inner wall of adsorption box 8, is fixedly installed with discharge electrode 14 and dust collecting electrode 12 respectively on the symmetry inner wall of ceramic base 11, is provided with a plurality of position corresponding through slots on the lower surface of ceramic base 11 and the lower surface of adsorption box 8, and the through slot and a plurality of dust collecting electrode 12 are alternately distributed, is fixedly installed with dust hopper 9 on the lower surface of adsorption box 8, and the dust hopper 9 is corresponding with the through slot position on the lower surface of adsorption box 8, is fixedly installed with perforated plate 15 in the inside of adsorption box 8, and the perforated plate 15 is located between ceramic base 11 and the exhaust end of exhaust pipe 10, is fixedly connected with air inlet pipe 2 on the side surface of filter box 1, and air inlet pipe 2 is in space communication with the lower part of filter core 13, and exhaust pipe 10 is in space communication with the upper part of filter core 13, wherein can utilize air inlet pipe 2 to guide the gas needing to be filtered into the inside of filter box 1 when working, utilizes filter core 13 in the inside of filter box 1 to carry out first heavy filtering operation to the gas to be filtered, then utilizes exhaust pipe 10 to guide the gas after first heavy filtering into the inside of adsorption box 8, makes the gas after first heavy filtering pass through the inside of ceramic base 11, at this time, starts discharge electrode 14, and the electric field between discharge electrode 14 and dust collecting electrode 12 is generated, at this time, the gas after first heavy filtering passes through between discharge electrode 14 and dust collecting electrode 12, will be adsorbed on the outer surface of dust collecting electrode 12, at this time, can carry out second heavy filtering operation to the gas to be treated, and double filtering structure can greatly improve the air filtering effect of dustless laboratory.
[0027] Referring to Figure 1 , Figure 2The first electromagnetic valve 3 is fixedly installed in the pipeline of the air inlet pipe 2 and the air outlet pipe 10, the pulse pipe 5 is fixedly connected to the upper end face of the filter box 1, the pulse air pump 4 is fixedly installed in the pipeline of the pulse pipe 5, the dust collecting cover is installed at the lower end opening of the filter box 1, the dust discharging hose 7 is fixedly installed at the discharging end of the dust collecting cover, and the second electromagnetic valve 6 is installed in the pipeline of the dust discharging hose 7, wherein, after filtering for a period of time, the two first electromagnetic valves 3 are closed, then the second electromagnetic valve 6 is opened, and then the pulse air pump 4 is started, the pulse airflow generated by the pulse air pump 4 enters the inner upper end of the filter box 1 along the pulse pipe 5, and then reversely passes through the filter core 13, at this time, the dust adsorbed on the filter core 13 is subjected to desorption treatment, and the desorbed dust is discharged to the outdoor along the dust discharging hose 7, so that the filter can always maintain high filtering effect, and the whole operation is flexible and convenient, and the whole practicality is high.
[0028] Working principle: in use, first, the air filter is installed at the specified position, after installation, the air filter can be used, the air guide structure is started, the air inlet pipe 2 is used to guide the gas to be filtered into the inside of the filter box 1, the filter core 13 in the filter box 1 is used to perform the first re-filtering operation on the gas to be filtered, then the air outlet pipe 10 is used to guide the gas subjected to the first re-filtering into the inside of the adsorption box 8, so that the gas subjected to the first re-filtering passes through the inside of the ceramic base 11, at this time, the discharge electrode 14 is started, the electric field is generated between the discharge electrode 14 and the dust collecting electrode 12, at this time, when the gas subjected to the first re-filtering passes between the discharge electrode 14 and the dust collecting electrode 12, the gas is adsorbed on the outer surface of the dust collecting electrode 12, at this time, the second re-filtering operation is performed on the gas to be treated, since the cross section of the dust collecting electrode 12 is arranged in the circular arc shape, after use for a period of time, the dust on the outer surface of the dust collecting electrode 12 falls into the dust hopper 9 below, and after filtering for a period of time, the two first electromagnetic valves 3 are closed, then the second electromagnetic valve 6 is opened, and then the pulse air pump 4 is started, the pulse airflow generated by the pulse air pump 4 enters the inner upper end of the filter box 1 along the pulse pipe 5, and then reversely passes through the filter core 13, at this time, the dust adsorbed on the filter core 13 is subjected to desorption treatment, and the desorbed dust is discharged to the outdoor along the dust discharging hose 7, so that the filter can always maintain high filtering effect.
[0029] The real-time examples of the specific embodiment are the preferred examples of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. An air filter for use in a cleanroom laboratory, comprising a filter housing (1), characterized in that: A filter element (13) is installed in the middle of the interior of the filter box (1). An adsorption box (8) is fixedly connected to the side surface of the filter box (1). An exhaust pipe (10) is fixedly connected to the side surface of the filter box (1). The exhaust end of the exhaust pipe (10) is connected to one end of the interior space of the adsorption box (8). A ceramic base (11) is fixedly installed on the inner wall of the adsorption box (8). A discharge electrode (14) and a dust collection electrode (12) are fixedly installed on the symmetrical inner walls of the ceramic base (11).
2. An air filter for use in a cleanroom laboratory according to claim 1, characterized in that: The lower surface of the ceramic base (11) and the lower surface of the adsorption box (8) are provided with multiple corresponding through grooves, and the through grooves are alternately distributed with multiple dust collection electrodes (12). A dust hopper (9) is fixedly installed on the lower surface of the adsorption box (8), and the dust hopper (9) corresponds to the position of the through groove on the lower surface of the adsorption box (8).
3. An air filter for use in a cleanroom laboratory according to claim 1, characterized in that: A perforated plate (15) is fixedly installed inside the adsorption box (8), and the perforated plate (15) is located between the ceramic base (11) and the exhaust end of the exhaust pipe (10).
4. An air filter for use in a cleanroom laboratory according to claim 1, characterized in that: An air inlet pipe (2) is fixedly connected to the side surface of the filter box (1). The air inlet pipe (2) communicates with the lower space of the filter element (13). The exhaust pipe (10) communicates with the upper space of the filter element (13). A first solenoid valve (3) is fixedly installed in the pipes of the air inlet pipe (2) and the exhaust pipe (10).
5. An air filter for use in a cleanroom laboratory according to claim 1, characterized in that: A pulse tube (5) is fixedly connected to the upper surface of the filter box (1), and a pulse air pump (4) is fixedly installed in the pipeline of the pulse tube (5).
6. An air filter for use in a cleanroom laboratory according to claim 1, characterized in that: A dust collection hood is installed at the lower opening of the filter box (1), and a ash discharge hose (7) is fixedly installed at the discharge end of the dust collection hood. A second solenoid valve (6) is installed in the pipeline of the ash discharge hose (7).