CN115013924A - Air purifying method for preventing and treating environmental pollution - Google Patents

Abstract

The invention relates to an air purification method for environmental pollution prevention and control, comprising the following steps; SS001 presets: adding chemical adsorption liquid to an adsorption box of an air purification device, an air intake pipe is connected with an external miscellaneous air feeding pipe, and a clean air discharge box is discharged The air outlet is connected to the air treatment equipment; SS002 purification operation: set the flow rate and pressure to supply air to the intake pipe, the servo motor, UV sterilization lamp and flow control motor work, the servo motor sets the cycle reciprocating working mode, the air guide tube and the filter element rotate Move, change the opposite filter surface, rotate the outer shaft, self-cleaning shaft self-cleaning, the screw drive module drives the filter element to reciprocate linearly in the direction of the air guide, change the connection position between the filter element and the ventilation strip hole, the filter element is evenly used and online self-cleaning Clean, enter the adsorption mechanism for chemical adsorption, enter the second tube for secondary adsorption and sterilization, enter the ultrafiltration membrane for filtration, the rolls are synchronously retracted and unwinded, and the used surface of the ultrafiltration membrane is changed, and the gas flows through the second tube, Controlling the rotational speed can control the processing time.

Description

Environmental pollution prevention and air purification method

technical field

The invention relates to the technical field of air purification, in particular to an air purification method for preventing and controlling environmental pollution.

Background technique

Air purifiers, also known as "air cleaners", air purifiers, and purifiers, can adsorb, decompose or transform various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde and other decoration pollution, bacteria, allergens, etc.), effectively improve air cleanliness to remove indoor air pollution and improve living comfort.

At present, there are many types of air purifiers on the market, most of which are similar to elimination methods (ozone, ultraviolet rays, negative ions, photocatalysts), filtration methods (filtration technology, activated carbon adsorption, electrostatic adsorption), dilution methods (windows for ventilation, central air conditioning fresh air) One or several technologies in the system) are combined. Air purifiers using these technologies have different degrees of deficiencies such as secondary pollution of the air after purification, saturation or failure of filter materials at any time. The air purifier frequently replaces the filter screen, and the purification cost is relatively high. Based on this, the present invention provides a purification method of an air purification method for preventing and controlling environmental pollution to solve the problems raised in the above background art.

SUMMARY OF THE INVENTION

Aiming at the technical problems existing in the prior art, the present invention provides an air purification method for preventing and controlling environmental pollution to solve the problem that the existing purifier needs to replace the filter screen frequently.

The technical scheme that the present invention solves the above-mentioned technical problems is as follows:

An air purification method for preventing and controlling environmental pollution, comprising the following steps;

SS001. Preset: Before the air purification operation, a sufficient amount of chemical adsorption liquid (25) should be filled in the adsorption box (24) of the air purification device in advance, and the air intake pipe (3) is connected with the external miscellaneous air inlet pipe, and the air is clean. One end of the air outlet of the row box (31) is communicated with the next-level processing equipment of the air;

SS002. Purification operation: During the purification operation, the external miscellaneous air is sent into the pipeline to supply air to the intake pipe (3) at the set flow rate and pressure. When the external miscellaneous air is sent in, the servo motor (4) and the ultraviolet sterilization lamp (29) It works with the current control motor (28); when the servo motor (4) works, it is in a reciprocating working mode with a set period. After the servo motor (4) works, it drives the air guide (10) to rotate at a set speed to guide After the blower (10) is rotated, the filter element (8) is driven to rotate to cyclically change the filter surface of the opposite air intake pipe (3);

When the filter element (8) rotates, the outer shaft (6) is rotated under the driving action of the servo motor (4), and the rotation speed of the outer shaft (6) is different from the rotation speed of the filter element (8). After the rotation, the two self-cleaning shafts (12) are further driven for self-cleaning operation; when the self-cleaning shaft (12) rotates, the screw drive module (17) slowly drives the filter element (8) along the direction of the air guide (10). Straight line reciprocating motion, and then reciprocatingly change the communication position between the filter element (8) and the ventilation strip hole (11), so that the filter element (8) is used evenly and self-cleaning online, and the impurities filtered by the primary filter mechanism enter the adsorption mechanism for chemical treatment. Adsorption, the chemically treated miscellaneous gas enters the second pipe (19) for secondary adsorption and secondary sterilization, and the miscellaneous gas processed by the sterilization mechanism enters the ultrafiltration membrane (37) for filtration operation;

When the ultrafiltration membrane (37) is being filtered, the two winding rollers (34) are reeled and unwound synchronously, thereby changing the used surface of the ultrafiltration membrane (37). When the gas flows through the second tube (19) , by controlling the rotational speed of the flow control motor (28), the processing time of the miscellaneous gas in the sterilization mechanism can be effectively controlled.

In this case, the air purification device is respectively fixed with a primary filtration mechanism, an adsorption mechanism and a filter membrane mechanism inside the body (1), and one end of the air outlet of the primary filtration mechanism passes through the first joint pipe (2) and the adsorption mechanism One end of the air outlet of the adsorption mechanism is communicated with the filter membrane mechanism through a second joint pipe (19), and a sterilization mechanism is installed on the inner wall of the second joint pipe (19).

In this case, the primary filtering mechanism respectively comprises an air intake pipe (3) and a servo motor (4) which are fixedly communicated with the body (1), wherein: a surface of the servo motor (4) is fixedly connected to the body (1). , a maintenance cavity (5) is provided inside the body (1), a dust collecting box (7) and a filter element (8) are installed at the bottom of the maintenance cavity (5), and an outer shaft (6) is rotatably connected inside the body (1);

The inner wall of the outer shaft (6) is rotatably connected with an inner shaft (38), and the output shaft end of the servo motor (4) is respectively drivingly connected with the outer shaft (6) and the inner shaft (38), and the outer shaft ( 6) A transmission gear ring (9) is fixed on the peripheral side; one end of the inner shaft (38) is fixed with an air guide (10), and one end of the air outlet of the air guide (10) is connected to the first joint pipe (10). 2) Rotationally connected, the peripheral side of the air guide (10) is provided with several groups of ventilation strip holes (11) distributed in a circular array; the peripheral side of the air guide (10) is slidably connected to the filter element (8). , the peripheral side of the filter element (8) is slidingly attached to the body (1), and the inner wall of the maintenance cavity (5) is rotatably connected with two symmetrically arranged self-cleaning shafts (12). A forward spiral brush (13) and a reverse spiral brush (14) which are matched with the filter element (8) are respectively fixed on the peripheral sides of the (12); the peripheral sides of the two self-cleaning shafts (12) are fixed with driven Gears (15), the peripheral sides of the two driven gears (15) are meshed with the transmission gear ring (9), and the peripheral sides of the filter element (8) are rotatably connected with a shift ring (16);

The inside of the body (1) is fixed with a screw drive module (17) that is linked with the inner shaft (38), and the peripheral side of the screw drive module (17) is connected to the displacement ring (16) in a driving manner. A clean air hood (18) is fixedly communicated with the top of the maintenance cavity (5); the top of the clean air hood (18) is fixedly connected with the second joint pipe (19), and the inner wall of the clean air hood (18) is fixed with A high-pressure axial flow fan (20) whose air outlet direction is vertically downward.

In this case, the sterilization mechanism respectively comprises a wind control shaft (27) and an ultraviolet sterilization lamp (29) arranged horizontally and linked with the inner shaft (38), wherein: the ultraviolet sterilization lamp (29) is in the shape of a circumference Arrays are distributed and fixed on the inner wall of the second pipe (19), the peripheral side surface of the wind control shaft (27) is fixed with a spiral flow control blade (30), and the peripheral side surface of the spiral flow control blade (30) is connected to the first The double tubes (19) are fitted together, and the spiral flow control blade (30) is made of activated carbon.

In this case, the filter membrane mechanism comprises a clean air discharge box (31), two symmetrically arranged winding rollers (34) and two symmetrically arranged guide rollers (35), wherein: the clean air discharge box (31) ) is in fixed communication with the second joint pipe (19), the top of the clean air exhaust box (31) is installed on the electric shutter (32), and the inner wall of the clean air exhaust box (31) is fixed with an exhaust fan (33);

Both ends of the winding roller (34) and the guide roller (35) are rotatably connected to the clean air exhaust box (31), and the surfaces of the clean air exhaust box (31) are fixed at positions corresponding to the two winding rollers (34). A stepping motor (36), the output shaft ends of the two stepping motors (36) are respectively fixedly connected with the two winding rollers (34); the opposite surfaces of the two winding rollers (34) are wound with a super A filter membrane (37), the surfaces of the two guide rollers (35) are attached to the ultrafiltration membrane (37), and the two guide rollers (35) are both arranged above the ultrafiltration membrane (37).

In this case, the adsorption mechanism includes an adsorption box (24) fixed on the surface of the body (1), the adsorption box (24) is fixedly filled with an adsorption liquid (25), and the adsorption liquid (25) is fixed inside the adsorption liquid (25). The liquid immersion pipe (26) communicated with the first pipe (2); one end of the air outlet of the adsorption box (24) is in fixed communication with the second pipe (19), and the end face of the adsorption liquid (25) is fixedly arranged There is an observation port, and a liquid addition pipe (28) is fixed on the top surface of the adsorption box (24).

The beneficial effects are:

1) This air purification method can efficiently complete the air purification operation through structures such as filter elements and air guides. During the air purification operation, the physical filtration of the air, chemical purification and adsorption, and ultraviolet sterilization operations can be completed in sequence, which is realized through the integration of the above functions. , so as to effectively improve the versatility of the purifier and the air purification effect;

2) When the air purification method purifies, the screw drive module drives the filter element to move slowly and linearly in the direction of the air guide, and after the filter element moves linearly, the first purification area and the second purification area are turned to face the ventilation strip holes in turn; when When the purification device is closed, the sealing area is opposite to the ventilation strip hole, and then the air guide tube is sealed, and the first purification area and the second purification area are changed by the position change, so that the first purification area and the second purification area are used alternately. When the second purification area is used, the maintenance chamber performs the cleaning operation of the first purification area; when the sealing area is used, the maintenance chamber performs the cleaning operation of the first purification area and the second purification area, and the cleaning is completed in one time. Afterwards, the first purification zone, the second purification zone and the sealing zone are restored to their original positions, through the realization of the above-mentioned on-line non-stop maintenance function.

3) This air purification method can automatically discharge the cleaned impurities. When the maintenance chamber performs the self-maintenance operation of the filter element, the high-pressure axial flow fan periodically blows down the high-pressure air. The first purification zone and the second purification zone on the filter element are recoiled and cleaned by the principle of recoil, and the high filtration performance of the filter element is maintained through the realization of the recoil cleaning function.

Description of drawings

Fig. 1 is the purification flow chart of the present invention;

Fig. 2 is the overall structure schematic diagram of the air purification device adopted in the present invention;

Fig. 3 is the sectional structure schematic diagram of Fig. 2;

Fig. 4 is the partial enlarged structure schematic diagram of A place in Fig. 3;

Fig. 5 is the partial enlarged structure schematic diagram of B place in Fig. 3;

Fig. 6 is the partial enlarged structure schematic diagram of C place in Fig. 3;

FIG. 7 is a schematic diagram of a partially enlarged structure at D in FIG. 3;

Figure 8 is a schematic structural diagram of an outer shaft and an inner shaft;

Fig. 9 is the structural representation of liquid immersion pipe and air guide tube;

FIG. 10 is a schematic structural diagram of the shift ring and the first purification zone.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Body, 2. First tube, 3. Intake pipe, 4. Servo motor, 5. Maintenance chamber, 6. External shaft, 7. Dust box, 8. Filter element, 9. Transmission gear ring, 10. Guide Air duct, 11, ventilation strip hole, 12, self-cleaning shaft, 13, forward spiral brush, 14, reverse spiral brush, 15, driven gear, 16, shift ring, 17, screw drive module, 18, Clean air hood, 19, Second tube, 20, High pressure axial flow fan, 21, First purification zone, 22, Second purification zone, 23, Sealing zone, 24, Adsorption box, 25, Adsorption liquid, 26, Liquid Dip tube, 27, air control shaft, 28, liquid addition tube, 29, ultraviolet sterilization lamp, 30, spiral control vane, 31, clean air exhaust box, 32, electric shutter, 33, exhaust fan, 34, roll , 35, guide roller, 36, stepper motor, 37, ultrafiltration membrane, 38, inner shaft.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples are only used to explain the present invention, but not to limit the scope of the present invention.

The present invention provides the following preferred embodiments

Referring to Figures 1-10, an air purification method for environmental pollution prevention and control includes the following steps;

SS001. Preset: Before the air purification operation, a sufficient amount of chemical adsorption liquid 25 should be filled in the adsorption box 24 of the air purification device in advance. One end is communicated with the next-level processing equipment of air;

As shown in Figure 1-10, the air purification device is respectively fixed with a primary filtration mechanism, an adsorption mechanism and a filter membrane mechanism inside the body 1. One end of the air outlet of the primary filtration mechanism is communicated with the adsorption mechanism through the first pipe 2, and the adsorption mechanism exits One end of the tuyere is communicated with the membrane filter mechanism through a second pipe 19 , and a sterilization mechanism is installed on the inner wall of the second pipe 19 .

The primary filter mechanism includes an air intake pipe 3 and a servo motor 4 that are fixedly communicated with the body 1, wherein: a surface of the servo motor 4 is fixedly connected to the body 1, and a maintenance cavity 5 is opened inside the body 1, and the bottom of the maintenance cavity 5 is provided. A dust collecting box 7 and a filter element 8 are installed, and an outer shaft 6 is rotatably connected inside the body 1;

The inner wall of the outer shaft 6 is rotatably connected with the inner shaft 38, the output shaft end of the servo motor 4 is respectively connected with the outer shaft 6 and the inner shaft 38 for transmission, and the peripheral side surface of the outer shaft 6 is fixed with a transmission gear ring 9; One end of the inner shaft 38 is fixed with the air guide tube 10, and one end of the air outlet of the air guide tube 10 is in rotational communication with the first joint pipe 2. The peripheral side of the air guide tube 10 is provided with several groups distributed in a circular array. The peripheral side of the air guide tube 10 is slidably connected with the filter element 8, the peripheral side of the filter element 8 is slidably fitted with the body 1, and the inner wall of the maintenance cavity 5 is rotatably connected with two symmetrically arranged Self-cleaning shafts 12, the peripheral sides of the two self-cleaning shafts 12 are respectively fixed with a forward spiral brush 13 and a reverse spiral brush 14 that cooperate with the filter element 8; the peripheral sides of the two self-cleaning shafts 12 are fixed with The driven gear 15, the peripheral sides of the two driven gears 15 are meshed with the transmission gear ring 9, and the peripheral side of the filter element 8 is rotatably connected with a shift ring 16;

The inside of the body 1 is fixed with a screw drive module 17 linked with the inner shaft 38 , the peripheral side of the screw drive module 17 is connected to the displacement ring 16 in a driving manner, and the top of the maintenance cavity 5 is fixedly connected with a clean air. Cover 18; the top end of the clean air cover 18 is in fixed communication with the second coupling pipe 19, and the inner wall of the clean air cover 18 is fixed with a high-pressure axial fan 20 with an air outlet direction vertically downward.

1-10 , the intake pipe 3 is communicated with the external miscellaneous gas feeding pipe, and the external miscellaneous gas feeding pipe carries out the air supply operation to the interior of the intake pipe 3 at a set pressure and flow rate. During the filtering operation, the servo motor 4 works. After the servo motor 4 works, it drives the transmission ring gear 9 to rotate. After the transmission ring gear 9 rotates, it drives the two self-cleaning devices through the meshing connection between the driven gear 15 and the transmission ring gear 9. The shaft 12 rotates. The two self-cleaning shafts 12 rotate in the same direction and at the same speed. The forward spiral brush 13 and the reverse spiral brush 14 are both wear-resistant rubber bristles. Set up, so that the cleaned impurities can be automatically discharged.

When the maintenance chamber 5 performs the self-maintenance operation of the filter element 8, the high-pressure axial flow fan 20 periodically blows down the high-pressure air. After the high-pressure axial flow fan 20 blows the air downward, the first purification area on the filter element 8 is further cleaned by the recoil principle. 21 and the second purification zone 22 perform backflushing cleaning operations, and through the realization of the backflushing cleaning function, the high filtering performance of the filter element 8 is maintained.

3, 6 and 10, the peripheral side of the filter element 8 is sequentially provided with a first purification zone 21, a second purification zone 22, and a sealing zone 23 that cooperates with the intake pipe 3 from left to right. The cleaning zone 22 and the sealing zone 23 have the same length. The length of the ventilation strip holes 11 is 0.6 times the length of the first purification zone 21. The surfaces of the first purification zone 21 and the second purification zone 22 are both provided with several groups of equidistantly distributed purification filter holes. The purification filter holes on the two purification zones 22 have the same diameter. The axis of the purification filter hole is perpendicular to the axis of the filter element 8 , the filter element 8 is a hollow cylindrical structure with open ends, and the length of the maintenance cavity 5 is 2.1 times the length of the first purification area 21 .

1-10, the pore size of the purification filter hole can be customized according to actual needs. The function of the purification filter element 8 is to filter the solid impurities or solid particles in the air and use it. The screw drive module 17 drives the filter element 8 to move linearly in the direction of the air guide tube 10. After the filter element 8 moves linearly, the first purification zone 21 and the second purification zone 22 face the ventilation strip holes 11 in sequence. When the device is closed, The sealing area 23 faces the ventilation strip hole 11, and further seals the air guide duct 10. By changing the positions of the first purification area 21 and the second purification area 22, the first purification area 21 and the second purification area 22 Alternate use and alternate cleaning. Specifically: when the second purification zone 22 is in use, the maintenance chamber 5 performs the cleaning operation on the first purification zone 21; when the sealing zone 23 is in use, the maintenance chamber 5 performs the cleaning operation on the first purification zone 21 and the second purification zone 22 After the cleaning operation is completed, the first purification zone 21 , the second purification zone 22 and the sealing zone 23 return to their original positions.

As shown in FIGS. 9 and 10 , the outer edge of the air guide tube 10 is a regular polygon, the shape of the inner ring of the filter element 8 is adapted to the shape of the air guide tube 10 , and the air guide tube 10 is a hollow cylindrical structure with the right end closed and the left end open. . Through the shape setting of the outer edge of the air guide tube 10 and the shape of the inner ring of the air guide tube 10, on the one hand, the filter element 8 can be rotated by the air guide tube 10, and on the other hand, the filter element 8 can be driven along the guide tube during rotation. The blower 10 slides in the direction.

As shown in FIGS. 3 and 8 , the helical directions of the forward spiral brush 13 and the reverse spiral brush 14 are opposite, and a sealing door is slidably installed inside the dust collecting box 7 , and the inside of the dust collecting box 7 is fixed and inclined toward the sealing door side. dust extraction slope. During use, the forward spiral brush 13 and the reverse spiral brush 14 are provided with the reverse helical structure, so that the forward spiral brush 13 and the reverse spiral brush 14 can perform a two-way physical cleaning operation on the surface of the filter element 8 . The function of the sealing door is to seal the dust collecting box 7. After the sealing door is opened, the dust collecting box 7 can be quickly communicated with the outside world, and then the dust or filtering debris accumulated in the dust collecting box 7 can be discharged. The peripheral sides of the outer shaft 6 and the inner shaft 38 are fixed with driven bevel gears, the output shaft end of the servo motor 4 is installed with two transmission bevel gears, and the peripheral sides of the two transmission bevel gears mesh with the two driven bevel gears respectively. . The specifications of the two driven bevel gears are different. By setting the specifications of the two driven bevel gears and the two transmission bevel gears, the outer shaft 6 and the inner shaft 38 are in a differential rotation state.

Referring to FIGS. 2 and 3 , the adsorption mechanism includes an adsorption box 24 fixed on the surface of the body 1 , the adsorption box 24 is fixedly filled with an adsorption liquid 25 , and the adsorption liquid 25 is fixed with a liquid in communication with the first pipe 2 . Dip Tube 26. One end of the air outlet of the adsorption box 24 is fixedly connected with the second pipe 19 , the end face of the adsorption liquid 25 is fixedly provided with an observation port, and the top surface of the adsorption box 24 is fixed with a liquid addition pipe 28 .

When in use, the liquid immersion pipe 26 enters the adsorption liquid 25 . When the liquid immersion pipe 26 exits the gas, the impurities in the gas are adsorbed by the adsorption liquid 25 , and the gas adsorbed and purified by the chemical liquid is discharged through the second pipe 19 .

As shown in FIGS. 3 and 5 , the sterilization mechanism respectively includes a wind control shaft 27 arranged horizontally and linked with the inner shaft 38 and a group of ultraviolet sterilization lamps 29 distributed in a circular array and fixed on the inner wall of the second tube 19 . A spiral flow control blade 30 is fixed on the peripheral side surface of the air control shaft 27 , the peripheral side surface of the spiral flow control blade 30 is fitted with the second pipe 19 , and the spiral flow control blade 30 is made of activated carbon material.

Purchasing and setting the activated carbon of the spiral flow control blade 30 can achieve a certain purpose of purifying and adsorbing impurities in the gas. During use, the sterilization time of the gas by the ultraviolet sterilization lamp 29 can be effectively controlled by controlling the rotational speed of the spiral flow control blade 30 . When the spiral flow control blade 30 is working, the spiral flow control blade 30 sends air to the side away from the adsorption box 24 by controlling the rotational speed of the flow control motor 28 .

As shown in FIGS. 3 and 4 , the membrane filter mechanism includes a clean air exhaust box 31 that is in fixed communication with the second pipe 19 , an electric shutter 32 installed on the top of the clean air exhaust box 31 , and an exhaust box 32 fixed on the inner wall of the clean air exhaust box 31 . Fan 33 , two symmetrically arranged winding rollers 34 and two symmetrically arranged guide rollers 35 . Both ends of the winding roller 34 and the guide roller 35 are rotatably connected to the clean air exhaust box 31 , and a stepper motor 36 is fixed on the surface of the clean air exhaust box 31 and at the positions corresponding to the two winding rollers 34 . The output shaft ends of the two stepping motors 36 are respectively fixedly connected to the two winding rollers 34 , and an ultrafiltration membrane 37 is wound between the opposite surfaces of the two winding rollers 34 . The surfaces of the two guide rollers 35 are attached to the ultrafiltration membrane 37 , and the two guide rollers 35 are both arranged above the ultrafiltration membrane 37 .

When in use, the two winding rollers 34 simultaneously perform winding and anti-winding operations, and through the realization of the above state of the two winding rollers 34, the unused ultrafiltration membrane 37 is circulated and released and the used ultrafiltration membrane 37 is taken up. roll, thereby maintaining the high filtration performance of the ultrafiltration membrane 37 of the opposing exhaust fan 33 .

SS002. Purification operation: During the purification operation, the external miscellaneous air is sent into the pipeline to supply air to the intake pipe 3 at a set flow rate and pressure. When the external miscellaneous air is sent in, the servo motor 4, the ultraviolet sterilization lamp 29 and the flow control motor 28 work , When the servo motor 4 is working, it is in a reciprocating working mode with a set period. After the servo motor 4 works, it drives the air guide tube 10 to rotate at a set speed. After the air guide tube 10 rotates, it drives the filter element 8 to rotate. After the filter element 8 is rotated, the filter surface of the opposite intake pipe 3 is changed cyclically. When the filter element 8 rotates, the outer shaft 6 is rotated under the driving action of the servo motor 4, and the rotation speed of the outer shaft 6 is the same as the rotation speed of the filter element 8. Differently, after the rotation of the outer shaft 6, the two self-cleaning shafts 12 are further driven to perform the self-cleaning operation. The screw drive module 17 is driven to rotate by the inner shaft 38. The module 17 is a lead screw. When the self-cleaning shaft 12 rotates, the screw drive module 17 slowly drives the filter element 8 to reciprocate linearly in the direction of the air guide tube 10, and then reciprocally changes the communication position between the filter element 8 and the ventilation strip hole 11, so that the filter element 8 is evenly used and Online self-cleaning, the miscellaneous gas filtered by the primary filtration mechanism enters the adsorption mechanism for chemical adsorption, and the chemically treated miscellaneous gas enters the second pipe 19 for secondary adsorption and secondary sterilization. The miscellaneous gas enters the ultrafiltration membrane 37 to carry out the filtration operation. During the filtration operation of the ultrafiltration membrane 37, the two winding rollers 34 are synchronously wound and unwound, thereby changing the used surface of the ultrafiltration membrane 37. When the tube 19 is installed, by controlling the rotational speed of the flow control motor 28, the processing time of the impurity gas in the sterilization mechanism can be effectively controlled.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (6)

1. An air purification method for preventing and controlling environmental pollution is characterized by comprising the following steps;

SS001, presetting: before air purification operation, sufficient chemical adsorption liquid (25) is supplemented into an adsorption box (24) of an air purification device in advance, an air inlet pipe (3) is communicated with an external miscellaneous gas feeding pipeline, and one end of an air outlet of a clean air exhaust box (31) is communicated with next-stage processing equipment of air;

SS002, cleaning operation: during purification operation, external miscellaneous gas is fed into the pipeline to feed gas into the gas inlet pipe (3) at a set flow rate and pressure, and when the external miscellaneous gas is fed, the servo motor (4), the ultraviolet sterilizing lamp (29) and the flow control motor (28) work; when the servo motor (4) works, the servo motor is in a reciprocating working mode in a set period, after the servo motor (4) works, the air guide cylinder (10) is driven to rotate at a set speed, and after the air guide cylinder (10) rotates, the filter element (8) is driven to rotate to circularly change the filtering surface of the opposite air inlet pipe (3);

when the filter element (8) rotates, the outer shaft (6) is rotated under the driving action of the servo motor (4), the rotating speed of the outer shaft (6) is different from that of the filter element (8), and after the outer shaft (6) rotates, the two self-cleaning shafts (12) are driven to perform self-cleaning operation; when the self-cleaning shaft (12) rotates, the screw rod driving module (17) slowly drives the filter element (8) to do linear reciprocating motion along the direction of the air duct (10), and then the communication position of the filter element (8) and the ventilation strip hole (11) is changed in a reciprocating mode, so that the filter element (8) is uniformly used and self-cleaned on line, the miscellaneous gas filtered by the primary filtering mechanism enters the adsorption mechanism to be chemically adsorbed, the miscellaneous gas after chemical treatment enters the second connecting pipe (19) to be secondarily adsorbed and sterilized, and the miscellaneous gas after being treated by the sterilization mechanism enters the ultrafiltration membrane (37) to be filtered;

when the ultrafiltration membrane (37) is used for filtration, the two winding rollers (34) synchronously wind and unwind so as to change the used surface of the ultrafiltration membrane (37), wherein when gas flows through the second connecting pipe (19), the time for treating the miscellaneous gas in the sterilization mechanism is effectively controlled by controlling the rotating speed of the flow control motor (28).

2. The air purification method for environmental pollution control according to claim 1, wherein the air purification device comprises a primary filter mechanism, an adsorption mechanism and a filter membrane mechanism respectively fixed inside the machine body (1), one end of the air outlet of the primary filter mechanism is communicated with the adsorption mechanism through a first connecting pipe (2), one end of the air outlet of the adsorption mechanism is communicated with the filter membrane mechanism through a second connecting pipe (19), and the inner wall of the second connecting pipe (19) is provided with a sterilization mechanism.

3. The air purification method for environmental pollution control according to claim 2, wherein the primary filter mechanism comprises an air inlet pipe (3) and a servo motor (4) which are fixedly communicated with the machine body (1), respectively, wherein: one surface of the servo motor (4) is fixedly connected with the machine body (1), a maintenance cavity (5) is formed in the machine body (1), a dust collection box (7) and a filter element (8) are installed at the bottom of the maintenance cavity (5), and an outer shaft (6) is rotatably connected in the machine body (1);

an inner shaft (38) is rotatably connected to the inner wall of the outer shaft (6), the output shaft end of the servo motor (4) is respectively in transmission connection with the outer shaft (6) and the inner shaft (38), and a transmission gear ring (9) is fixed on the peripheral side surface of the outer shaft (6); an air duct (10) is fixed at one end of the inner shaft (38), one end of an air outlet of the air duct (10) is rotatably communicated with the first connecting pipe (2), and a plurality of groups of ventilation strip holes (11) distributed in a circumferential array are formed in the circumferential side surface of the air duct (10); the peripheral side face of the air duct (10) is connected with the filter element (8) in a sliding mode, the peripheral side face of the filter element (8) is attached to the machine body (1) in a sliding mode, the inner wall of the maintenance cavity (5) is connected with two symmetrically arranged self-cleaning shafts (12) in a rotating mode, and a forward spiral brush (13) and a reverse spiral brush (14) matched with the filter element (8) are fixed to the peripheral side faces of the two self-cleaning shafts (12) respectively; driven gears (15) are fixed on the peripheral side surfaces of the two self-cleaning shafts (12), the peripheral side surfaces of the two driven gears (15) are meshed with a transmission gear ring (9), and a shifting ring (16) is rotationally connected with the peripheral side surface of the filter element (8);

a screw rod driving module (17) linked with the inner shaft (38) is fixed inside the machine body (1), the peripheral side surface of the screw rod driving module (17) is in transmission connection with a displacement ring (16), and the top of the maintenance cavity (5) is fixedly communicated with a wind purifying cover (18); the top end of the air purification cover (18) is fixedly communicated with the second connecting pipe (19), and a high-pressure axial flow fan (20) with the air outlet direction vertically downward is fixed on the inner wall of the air purification cover (18).

4. The air purification method for environmental pollution control according to claim 3, wherein the sterilization mechanism comprises a wind control shaft (27) and an ultraviolet sterilization lamp (29) which are horizontally arranged and linked with the inner shaft (38), respectively, wherein: ultraviolet sterilamp (29) are circumference array distribution and are fixed in on second antithetical couplet pipe (19) inner wall, the week side of accuse wind axle (27) is fixed with spiral accuse and flows blade (30), the week side of spiral accuse flow blade (30) is laminated with second antithetical couplet pipe (19), spiral accuse is flowed blade (30) and is the active carbon material.

5. The environmental pollution control air cleaning method according to claim 4, wherein the filter membrane mechanism comprises a clean air exhaust box (31), two symmetrically arranged winding rollers (34) and two symmetrically arranged guide rollers (35), wherein: the clean air exhaust box (31) is fixedly communicated with the second connecting pipe (19), the top of the clean air exhaust box (31) is installed on an electric shutter (32), and an exhaust fan (33) is fixed on the inner wall of the clean air exhaust box (31);

both ends of the winding roller (34) and the guide roller (35) are rotatably connected with the clean air exhaust box (31), stepping motors (36) are fixed on the surface of the clean air exhaust box (31) at positions corresponding to the two winding rollers (34), and output shaft ends of the two stepping motors (36) are respectively fixedly connected with the two winding rollers (34); two it has ultrafiltration membrane (37) to coil between the surface relatively of roller (34), two the surface of guide roll (35) all laminates with ultrafiltration membrane (37), two guide roll (35) all set up the top in ultrafiltration membrane (37).

6. The air purification method for environmental pollution control according to claim 5, wherein the adsorption mechanism comprises an adsorption tank (24) fixed on the surface of the machine body (1), the adsorption tank (24) is filled with an adsorption liquid (25) inside, and a liquid immersion pipe (26) communicated with the first connecting pipe (2) is fixed inside the adsorption liquid (25); one end of an air outlet of the adsorption box (24) is fixedly communicated with the second connecting pipe (19), an observation port is fixedly arranged on the end face of the adsorption liquid (25), and a liquid adding pipe (28) is fixed on the top face of the adsorption box (24).

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