Air filtering equipment for instrument compressed air dryer
By using a combination of positive and negative electrode plates and spray components in a compressed air dryer, the problems of equipment blockage and safety hazards are solved, and the long-term stable operation and efficient filtration of the equipment are achieved.
Patent Information
- Application Number
- CN202420908184.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The filtering device of existing compressed air dryers can only filter large impurities, resulting in easy blockage of the equipment, affecting service life and reliability, and posing safety hazards.
An air filtering equipment for a compressed air dryer for instruments is designed. Through the combination of positive and negative electrode plates and spray components, the intake dust is adsorbed and cleaned, the equipment is blocked, and the air and water are precipitated through the cold dryer.
Effectively prevent equipment blockage, extend service life, improve reliability, reduce safety hazards, and maintain long-term and stable operation of the equipment through the cleaning function of the spray components.
Smart Images

Figure CN222606692U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of compressed air dryers, in particular to air filtering equipment for compressed air dryers for instruments. Background Art
[0002] The refrigerated compressed air dryer uses the principle of cooling air and lowering the air temperature to condense the moisture in the wet air and precipitate it from the air to obtain relatively dry air. It is a commonly used machine for drying compressed air. There is an existing patent for a filter mechanism for a compressed air dryer. Patent publication number CN218516315U includes a filter box, an air inlet pipe is fixedly installed on the right side of the filter box, an air outlet pipe is fixedly installed on the left side of the filter box, an isolation plate is fixedly installed on the bottom of the inner cavity of the filter box, and a filter mechanism for a compressed air dryer is arranged inside the filter box. The filter mechanism for a compressed air dryer includes a fixed mounting body and a fixed groove on the right side of the isolation plate, and an integrated filter screen is slidably installed inside the fixed groove. The outside of the integrated filter is sheathed with a sealing rubber sleeve, the right side of the integrated filter is fixedly installed with a pull ring that penetrates the right side of the filter box, the outside of the pull ring is sheathed with a sealing ring, and the outside of the pull ring and one end away from the right side of the sealing ring is fixedly installed with a clamping ring. The filtering mechanism for the compressed air dryer achieves the effect of air intake through the air inlet pipe installed on the right side of the filter box, achieves the effect of docking with the compressed air dryer through the air outlet pipe installed on the left side of the filter box, achieves the effect of sucking air through the integrated filter through the isolation plate installed inside the filter box, achieves the effect of sealing the sealing ring on the outer wall of the filter box through the clamping ring installed outside the pull ring, and achieves the effect of quickly installing and disassembling the integrated filter through the bayonet installed by sliding the filter box.
[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: although the design can draw air in through the integrated filter to filter the intake air, in actual use, the filter can only filter large impurities, and the setting of the filter affects the air intake of the device, resulting in a reduction in the overall power of the device. The blocking impurities are generally particles. When the accumulation of particles causes blockage inside the equipment, the service life and reliability of the pneumatic equipment are affected. Once an important pneumatic door refuses to move, it may cause the boiler to extinguish and the unit to trip, posing a serious safety hazard. Therefore, we propose an air filter device for an instrument compressed air dryer to solve the above-mentioned problems. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an air filtration device for an instrument compressed air dryer, which solves the problem that when blockage occurs inside the internal equipment, the service life and reliability of the pneumatic equipment are affected, and once an important pneumatic door refuses to move, it may cause the boiler to extinguish.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an air filtering device for an instrument compressed air dryer, including a cold dryer, and also including an equipment frame, several groups of positive plates, several groups of negative plates, several groups of bent frames, several groups of positive supply plates, several groups of negative supply plates and a spray assembly, wherein the positive supply plate is fixed inside the equipment frame, the negative supply plate is fixed inside the equipment frame, and the positive supply plate and the negative supply plate are staggered.
[0006] Preferably, the positive plate is fixed between two groups of the bent frames, the negative plate is fixed between two groups of the bent frames, adjacent sides of two adjacent groups of the bent frames are fixedly connected, and the bent frames at the edge positions are fixed inside the equipment frame.
[0007] Preferably, one end of the positive supply plate passes through the outside of the equipment frame, and one end of the negative supply plate passes through the outside of the equipment frame. A plate frame is fixed to the outer surface of the equipment frame, and two groups of connecting plates are arranged inside the plate frame, one group of connecting plates is connected to one end of the positive supply plate, and the other group of connecting plates is connected to one end of the negative supply plate.
[0008] Preferably, the spray assembly includes an air inlet, an air outlet, several groups of spray pipes and a liquid diversion solenoid valve, the air inlet is fixed on the top of the equipment rack, the air outlet is fixed on the bottom side of the equipment rack, and the input end of the cold dryer is connected to the air inlet through a connecting pipe.
[0009] Preferably, the input end of the spray pipe is connected to the output end of the liquid diversion solenoid valve, and the bottom of the spray pipe is fixedly connected to a plurality of groups of spray heads.
[0010] Preferably, a fixing bracket is fixed inside the equipment rack, a plurality of groups of pipe grooves matching the spray pipes are opened on the top of the fixing bracket, and the spray pipes are fixed to the inner wall of the pipe groove of the fixing bracket.
[0011] Beneficial Effects
[0012] The utility model provides an air filter device for a compressed air dryer for an instrument. Compared with the prior art, it has the following beneficial effects:
[0013] The compressed air dryer of the instrument uses air filtering equipment, which filters the intake air of the equipment so that the intake dust is adsorbed on the positive and negative plates to prevent the equipment from being blocked during subsequent use and causing subsequent impacts. The spray component can be used to clean the inside of the equipment, and the water vapor in the air can be precipitated through the cold dryer in the equipment use process. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the side view structure of the utility model;
[0016] Figure 3 It is a schematic diagram of the structure inside the equipment rack of the utility model;
[0017] Figure 4 It is a structural schematic diagram of the bending frame and its connecting parts of the utility model;
[0018] Figure 5 It is a structural schematic diagram of the spray assembly in the utility model.
[0019] In the figure: 1. cold dryer; 2. equipment frame; 3. positive plate; 4. negative plate; 5. bent frame; 6. positive supply plate; 7. negative supply plate; 8. spray assembly; 9. plate frame; 10. connecting plate; 11. air inlet; 12. air outlet; 13. spray pipe; 14. liquid diversion solenoid valve; 15. connecting pipe; 16. spray head; 17. fixed bracket. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-5 The utility model provides a technical solution: an air filtering device for an instrument compressed air dryer, comprising a cold dryer 1, and also comprising an equipment frame 2, a plurality of groups of positive plates 3, a plurality of groups of negative plates 4, a plurality of groups of bent frames 5, a plurality of groups of positive supply plates 6, a plurality of groups of negative supply plates 7 and a spray assembly 8, wherein the positive supply plate 6 is fixed inside the equipment frame 2, the negative supply plate 7 is fixed inside the equipment frame 2, and the positive supply plate 6 and the negative supply plate 7 are staggered.
[0022] In this embodiment: one group of connecting plates 10 supplies positive electricity to several groups of positive plates 3 through the positive supply plate 6, and another group of connecting plates 10 supplies negative electricity to several groups of negative plates 4 through the negative supply plate 7. An electric field is generated between the positive plates 3 and the negative plates 4, and the flowing gas is ionized, so that the dust in the flowing gas is adsorbed on the plate surfaces of the positive plates 3 and the negative plates 4.
[0023] See also Figure 1-4The positive plate 3 is fixed between two groups of the curved frames 5, the negative plate 4 is fixed between two groups of the curved frames 5, the adjacent sides of two adjacent groups of the curved frames 5 are fixedly connected, and the curved frames 5 at the edge positions are fixed inside the equipment frame 2.
[0024] In this embodiment: a sealed equipment frame 2 is processed according to the equipment power, and a bent frame 5 is installed according to the internal structure of the equipment frame 2 to form the distribution of positive and negative plates inside the equipment. The angle and length of the bent frame 5 can determine the distance between the positive and negative plates 4 and adjust the strength of the power plant.
[0025] See also Figure 1-4 One end of the positive supply plate 6 passes through the outside of the equipment rack 2, and one end of the negative supply plate 7 passes through the outside of the equipment rack 2. A plate frame 9 is fixed to the outer surface of the equipment rack 2. Two groups of connecting plates 10 are arranged inside the plate frame 9. One group of connecting plates 10 is connected to one end of the positive supply plate 6, and the other group of connecting plates 10 is connected to one end of the negative supply plate 7.
[0026] In this embodiment: the board frame 9 is used to isolate the connecting board 10 to prevent outsiders from accidentally touching the connection. Each group of positive supply boards 6 and the connecting board 10 are connected in parallel. The connecting board 10 is used to supply power to a group of positive and negative boards.
[0027] See also Figure 1 , Figure 2 , Figure 5 The spray assembly 8 includes an air inlet 11, an air outlet 12, a plurality of spray pipes 13 and a liquid diversion solenoid valve 14. The air inlet 11 is fixed on the top of the equipment rack 2, and the air outlet 12 is fixed on the bottom side of the equipment rack 2. The input end of the cold dryer 1 is connected to the air inlet 11 through a connecting pipe 15.
[0028] In this embodiment: the annual average humidity in the southern region is relatively high, and a combined dryer is used. The compressed air is first freeze-dried by the cold dryer 1 to precipitate moisture, and then deeply adsorbed by the adsorption dryer. The desiccant is regenerated and replaced regularly to maintain long-term stable and sustainable production. The cold dryer 1 is set between the compressor and the filter to complete the precipitation of moisture from the compressed air.
[0029] See also Figure 1 , Figure 2 , Figure 5 The input end of the spray pipe 13 is connected to the output end of the liquid diversion solenoid valve 14 , and the bottom of the spray pipe 13 is fixedly connected to a plurality of groups of spray heads 16 .
[0030] In this embodiment: the liquid diversion solenoid valve 14 supplies water to a plurality of groups of spray pipes 13 , the spray head 16 sprays the positive and negative plates 4 inside the equipment rack 2 for cleaning, and the humid air precipitates water vapor in the air inside the cold dryer 1 .
[0031] See also Figure 5 A fixed bracket 17 is fixed inside the equipment rack 2 , and a plurality of pipe grooves matching the spray pipe 13 are opened on the top of the fixed bracket 17 . The spray pipe 13 is fixed to the inner wall of the pipe groove of the fixed bracket 17 .
[0032] In this embodiment: the fixing frame is used to fix the spray pipe 13. According to the internal structure, the fixing bracket 17 is processed so that the spraying position of each group of spray heads 16 is at the dust cleaning position.
[0033] When working, the input end of the compressed air dryer is connected to the output end of the cold dryer 1, and a group of connecting plates 10 are connected to positive electricity, and another group of connecting plates 10 are connected to negative electricity, and then the compressed air dryer and the cold dryer 1 are driven, and the compressed air dryer exhausts air. During the exhaust process, the gas enters from the air inlet 11. During the flow of the gas, one group of connecting plates 10 supplies positive electricity to several groups of positive plates 3 through the positive supply plate 6, and another group of connecting plates 10 supplies negative electricity to several groups of negative plates 4 through the negative supply plate 7. The positive plates An electric field is generated between the positive plate 3 and the negative plate 4 to ionize the flowing gas, so that the dust in the flowing gas is adsorbed on the plate surfaces of the positive plate 3 and the negative plate 4, so that the gas after filtration flows to the cold dryer 1, and finally flows to the compressed air dryer, and is connected to the water pipe through the liquid diversion solenoid valve 14. The liquid diversion solenoid valve 14 supplies water to several groups of spray pipes 13, and the spray head 16 sprays the positive and negative plates 4 inside the equipment rack 2 to clean the dust, and the humid air precipitates water vapor in the air inside the cold dryer 1.
[0034] In summary, the device filters the intake air of the equipment so that the intake dust is adsorbed on the positive and negative plates 4, thereby preventing the equipment from being blocked during subsequent use and causing subsequent impacts. The spray component 8 set up can complete the cleaning of the inside of the equipment, and the water vapor in the air can be precipitated through the cold dryer 1 in the equipment use link.
[0035] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
Claims
1. An air filter device for a compressed air dryer for an instrument, characterized in that: The invention comprises a cold dryer (1), and also comprises an equipment frame (2), a plurality of groups of positive plates (3), a plurality of groups of negative plates (4), a plurality of groups of bent frames (5), a plurality of groups of positive supply plates (6), a plurality of groups of negative supply plates (7) and a spray assembly (8), wherein the positive supply plates (6) are fixed inside the equipment frame (2), the negative supply plates (7) are fixed inside the equipment frame (2), and the positive supply plates (6) and the negative supply plates (7) are arranged in an alternating manner.
2. The air filter device for a compressed air dryer for an instrument according to claim 1, characterized in that: The positive plate (3) is fixed between two groups of the bent frames (5), the negative plate (4) is fixed between two groups of the bent frames (5), adjacent sides of two adjacent groups of the bent frames (5) are fixedly connected, and the bent frames (5) at the edge positions are fixed inside the equipment frame (2).
3. The air filter device for an instrument compressed air dryer according to claim 1, characterized in that: One end of the positive supply plate (6) passes through the outside of the equipment frame (2), and one end of the negative supply plate (7) passes through the outside of the equipment frame (2). A plate frame (9) is fixed to the outer surface of the equipment frame (2), and two groups of connecting plates (10) are arranged inside the plate frame (9), one group of connecting plates (10) is connected to one end of the positive supply plate (6), and the other group of connecting plates (10) is connected to one end of the negative supply plate (7).
4. The air filter device for a compressed air dryer for an instrument according to claim 1, characterized in that: The spray assembly (8) comprises an air inlet (11), an air outlet (12), a plurality of groups of spray pipes (13) and a liquid diversion solenoid valve (14); the air inlet (11) is fixed to the top of the equipment rack (2); the air outlet (12) is fixed to one side of the bottom of the equipment rack (2); and the input end of the cold dryer (1) is connected to the air inlet (11) via a connecting pipe (15).
5. The air filter device for a compressed air dryer for an instrument according to claim 4, characterized in that: The input end of the spray pipe (13) is connected to the output end of the liquid diversion electromagnetic valve (14), and the bottom of the spray pipe (13) is fixedly connected to a plurality of groups of spray heads (16).
6. The air filter device for an instrument compressed air dryer according to claim 4, characterized in that: A fixed bracket (17) is fixed inside the equipment rack (2), and a plurality of groups of pipe grooves matching the spray pipe (13) are provided on the top of the fixed bracket (17), and the spray pipe (13) is fixed to the inner wall of the pipe groove of the fixed bracket (17).
Citation Information
Patent Citations
Filtering mechanism for compressed air dryer
CN218516315U