High negative pressure dust collector

Abstract

The present invention discloses a high negative pressure dust collector, which relates to the field of flue gas treatment technology. It solves the problem that the flue gas generated by existing factories contains a large amount of particles, and dust cannot be effectively removed by filtering alone, and the dust removal operation cannot be continuously performed on the flue gas when the filter structure of the dust collector is inspected and replaced. The high negative pressure dust collector includes a negative pressure installation mechanism, a conversion filter mechanism and a gas transmission mechanism. The inner side of the middle part of the negative pressure installation mechanism is installed with a conversion filter mechanism, the inner side of the conversion filter mechanism is installed with a gas transmission mechanism, and the inner side of the bottom end of the negative pressure installation mechanism is installed with a cleaning mechanism; the negative pressure installation mechanism includes a negative pressure dust removal box. The present invention can effectively remove dust from the flue gas through the simultaneous operation of filtering and purifying, and two filter structures are provided at the same time, so that the conversion of the filter structure can not affect the dust removal of the flue gas, and it is convenient to fully clean the filter structure.

Description

Technical Field

[0001] The invention relates to the technical field of flue gas treatment, in particular to a high negative pressure dust collector. Background Art

[0002] Equipment that separates dust from flue gas is called a dust collector or dust removal equipment. Dust collectors are commonly used facilities in boilers and industrial production. The performance of dust collectors is expressed by the amount of gas that can be processed, the resistance loss when the gas passes through the dust collector, and the dust removal efficiency. At the same time, the price, operation and maintenance costs, service life, and difficulty of operation and management of dust collectors are also important factors to consider their performance;

[0003] Dust is all small solid particles that can float in the air for a long time. It is a dispersed system called aerosol, in which air is the dispersion medium and solid particles are the dispersed phase. A dust collector is a device that separates these small solid particles from aerosols.

[0004] The flue gas generated by existing factories contains a large amount of particles. Dust removal cannot be effectively achieved by filtering alone, and the flue gas cannot be continuously dusted when the filter structure of the dust collector is being inspected and replaced. Therefore, it does not meet the existing needs. We have proposed a high negative pressure dust collector. Summary of the invention

[0005] The purpose of the present invention is to provide a high negative pressure dust collector to solve the problems mentioned in the above background technology that the flue gas generated by existing factories contains a large amount of particles, dust removal cannot be effectively achieved by filtering alone, and the flue gas cannot be continuously dusted when the filtering structure of the dust collector is inspected and replaced.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A high negative pressure dust collector comprises a negative pressure installation mechanism, a conversion filter mechanism and an air delivery mechanism, wherein the conversion filter mechanism is installed on the inner side of the middle part of the negative pressure installation mechanism, the air delivery mechanism is installed on the inner side of the conversion filter mechanism, and the cleaning mechanism is installed on the inner side of the bottom end of the negative pressure installation mechanism;

[0008] The negative pressure installation mechanism comprises a negative pressure dust removal box, a first transmission motor is fixedly installed on one side of the negative pressure dust removal box, a conical transmission box is fixedly installed on the upper end of the negative pressure dust removal box, a sealing partition is fixedly installed on the inner side of the bottom end of the conical transmission box, a liquid storage bin is provided between the conical transmission box and the sealing partition, a liquid injection pipe is installed on the inner side of the liquid storage bin, an air intake pipe is fixedly installed on one side of the conical transmission box, a plurality of overflow pipes are provided in the middle of the conical transmission box, a plurality of fan boxes are fixedly installed on the inner side of the upper end of the conical transmission box, an exhaust pipe is fixedly installed on the upper end surface of the conical transmission box, and a drain pipe is provided on the inner side of the bottom end of the exhaust pipe;

[0009] The conversion filter mechanism includes two arc-shaped guide seats, the negative pressure dust removal box is fixedly connected to the two arc-shaped guide seats, one side of the arc-shaped guide seat is rotatably connected with an arc-shaped retaining plate, two filter screen mounting arc-shaped plates are installed between the two arc-shaped retaining plates, a partition box is installed between the two filter screen mounting arc-shaped plates, a movable plug plate is slidably connected to the inner side of the partition box, two rotating seats are fixedly installed at both ends of the two arc-shaped retaining plates, and a transmission gear ring is fixedly installed on the side of one of the rotating seats.

[0010] Preferably, the gas delivery mechanism includes a gas delivery bend pipe, the upper end of the gas delivery bend pipe is fixedly connected to the conical transmission box, the bottom end of the gas delivery bend pipe is fixedly installed with a mounting plate, the upper surface of the bottom end of the gas delivery bend pipe is provided with a plurality of air inlet waist-shaped holes, two guide bend pipes are fixedly installed on the inner side of the mounting plate, and the lower end surface of the guide bend pipe is provided with a plurality of sprinkler heads.

[0011] Preferably, the cleaning mechanism includes a guide slide, which is fixedly connected to the negative pressure dust removal box, a second transmission motor is fixedly installed on one end of the guide slide, a transmission slide is slidably connected to the inner side of the guide slide, a transmission screw is installed on the inner side of the bottom end of the transmission slide, an electric push rod is fixedly installed on one end of the transmission slide, a support rod is rotatably connected to the inner side of the upper end of the transmission slide, the bottom end of the support rod is connected to the output end of the electric push rod through a transmission connecting rod, and a cleaning scraper is fixedly installed on the upper end of the support rod.

[0012] Preferably, a gear is fixedly provided at the output end of the first transmission motor, and the gear is meshingly connected with the transmission ring gear. The output end of the first transmission motor is connected to the transmission ring gear through a gear, and the bottom end of the gas transmission elbow passes through the partition box and is fixedly connected to the mounting disk, and the rotating seat, transmission ring gear, partition box, filter mounting arc plate and arc retaining plate all rotate clockwise relative to the axis of the mounting disk.

[0013] Preferably, one end of the partition box passes through two rotating seats and is installed on the outside of the bottom end of the gas transmission elbow. One end of the partition box is provided with two slots, and the movable plug plate is plugged into the inner side of one of the slots. The two filter mounting arc plates are slidably connected to the arc retaining plate and the rotating seat, and an arc filter is provided on the inner side of the filter mounting arc plate.

[0014] Preferably, the bottom end of the air intake pipe passes through the conical transmission box and the sealing partition in sequence and is plugged into the inner side of the negative pressure dust removal box. The air intake pipe is connected with the negative pressure dust removal box, and the conical transmission box is connected with the negative pressure dust removal box through a gas delivery elbow.

[0015] Preferably, the bottom end of the spray head passes through the movable plug plate and is plugged between the movable plug plate and one of the filter screen mounting arc plates, the spray head is through-connected with the guide elbow, and the spray direction of the spray head is from top to bottom.

[0016] Preferably, the output end of the second transmission motor passes through the guide slide and is connected to the transmission screw through a coupling, the upper end surface of the guide slide is provided with a slide groove, the transmission slide is arranged on the inner side of the slide groove, and the transmission screw and the transmission slide are connected by threads.

[0017] Preferably, the output end of the electric push rod passes through the transmission slide and is rotationally connected to the transmission connecting rod. Both ends of the transmission connecting rod are rotationally connected to the support rod and the output end of the electric push rod through a pin. The support rod swings counterclockwise relative to the transmission slide through the pin.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention injects filtered liquid into the liquid storage tank through the liquid injection pipe, and the fan box performs negative pressure extraction on the inner side of the conical transmission box, so that the negative pressure dust removal box extracts the flue gas through the air inlet pipe. An arc filter is provided on the inner side of the filter installation arc plate, so that the flue gas can be dusted through the arc filter. The two filter installation arc plates can be separated by a movable plug plate, so that one of the arc filters above the separation box is kept to efficiently remove dust from the flue gas;

[0020] 2. The present invention can further remove particles in the flue gas and reduce the flue gas temperature through the filtrate, and the filtrate can overflow through the overflow pipe to avoid the filtrate liquid level being too high to affect the operation of the fan box. The first transmission motor drives the filter screen installation arc plate to rotate through the gear and the transmission gear ring, so that the two filter screen installation arc plates can be switched and used, avoiding the inability to remove dust from the flue gas due to the replacement of the filter screen installation arc plate;

[0021] 3. The present invention can spray the filter installation arc plate after dust removal through the spray head, and the second transmission motor drives the cleaning scraper to scrape the inner wall of the filter installation arc plate through the transmission screw, so as to fully clean the filter installation arc plate to meet the automatic cleaning operation of the arc filter. The electric push rod drives the support rod to swing relative to the transmission slide seat through the transmission connecting rod, which can avoid interference with the cleaning scraper when the two filter installation arc plates are converted. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 A rear side view of the present invention as a whole;

[0024] Figure 3 It is a schematic cross-sectional structure diagram of the present invention as a whole;

[0025] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure of the A area in the middle;

[0026] Figure 5 For the present invention Figure 4 Schematic diagram of the enlarged structure of the middle B area;

[0027] Figure 6 It is a schematic diagram of the cross-sectional structure of the negative pressure dust removal box of the present invention;

[0028] Figure 7 It is a schematic cross-sectional structure diagram of the negative pressure installation mechanism of the present invention;

[0029] Figure 8 It is a schematic diagram of the partial cross-sectional structure of the cleaning mechanism of the present invention.

[0030] In the figure: 1. Negative pressure installation mechanism; 101. Negative pressure dust removal box; 102. Conical transmission box; 103. Injection pipe; 104. Overflow pipe; 105. Exhaust pipe; 106. First transmission motor; 107. Inlet pipe; 108. Drain pipe; 109. Sealing baffle; 110. Fan box; 2. Conversion filter mechanism; 201. Rotating seat; 202. Transmission gear ring; 203. Separation box; 204. Movable plug plate; 205. Filter installation arc Plate; 206, arc-shaped guide seat; 207, arc-shaped retaining plate; 3, gas delivery mechanism; 301, gas delivery elbow; 302, mounting plate; 303, guide elbow; 304, sprinkler head; 305, air intake waist hole; 4, cleaning mechanism; 401, cleaning scraper; 402, support rod; 403, guide slide plate; 404, second transmission motor; 405, transmission screw; 406, electric push rod; 407, transmission slide; 408, transmission connecting rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] The first transmission motor 106 (model GV50-3.7KW-60-S), the second transmission motor 404 (model YS7134) and the electric push rod 406 (model LBP40) mentioned in the present invention can all be purchased from the market or obtained through private customization.

[0033] See also Figures 1 to 6 , an embodiment of the present invention: a high negative pressure dust collector, including a negative pressure installation mechanism 1, a conversion filter mechanism 2 and an air transmission mechanism 3, the negative pressure installation mechanism 1 includes a negative pressure dust removal box 101, a first transmission motor 106 is fixedly installed on one side of the negative pressure dust removal box 101, a conical transmission box 102 is fixedly installed on the upper end of the negative pressure dust removal box 101, a sealing partition 109 is fixedly installed on the inner side of the bottom end of the conical transmission box 102, a liquid storage tank is provided between the conical transmission box 102 and the sealing partition 109, a liquid injection pipe 103 is installed on the inner side of the liquid storage tank, and the filtered flue gas can be further purified through the liquid storage tank;

[0034] An air intake pipe 107 is fixedly installed on one side of the conical transmission box 102, a plurality of overflow pipes 104 are provided in the middle part of the conical transmission box 102, a plurality of fan boxes 110 are fixedly installed on the inner side of the upper end of the conical transmission box 102, an exhaust pipe 105 is fixedly installed on the upper end surface of the conical transmission box 102, a drain pipe 108 is provided on the inner side of the bottom end of the exhaust pipe 105, the bottom end of the air intake pipe 107 passes through the conical transmission box 102 and the sealing partition 109 in sequence and is plugged into the inner side of the negative pressure dust removal box 101, the air intake pipe 107 is connected with the negative pressure dust removal box 101, and negative pressure extraction is performed on the inner side of the conical transmission box 102 through the fan box 110, so that the negative pressure dust removal box 101 extracts the flue gas through the air intake pipe 107.

[0035] See also Figures 1 to 6, a conversion filter mechanism 2 is installed on the inner side of the middle part of the negative pressure installation mechanism 1, and the conversion filter mechanism 2 includes two arc-shaped guide seats 206, the negative pressure dust removal box 101 is fixedly connected to the two arc-shaped guide seats 206, and one side of the arc-shaped guide seat 206 is rotatably connected with an arc-shaped retaining plate 207, and two filter screen installation arc-shaped plates 205 are installed between the two arc-shaped retaining plates 207, and the two filter screen installation arc-shaped plates 205 are slidably connected to the arc-shaped retaining plate 207 and the rotating seat 201, and an arc-shaped filter is provided on the inner side of the filter screen installation arc-shaped plate 205, and a partition box 203 is installed between the two filter screen installation arc-shaped plates 205, and a movable plug plate 204 is slidably connected to the inner side of the partition box 203, and two slots are provided at one end of the partition box 203, and the movable plug plate 204 is plugged into the inner side of one of the slots, and the isolation effect of the two filter screen installation arc-shaped plates 205 after conversion can be effectively met by replacing the movable plug plate 204 in the two slots;

[0036] Two rotating seats 201 are fixedly installed at both ends of the two arc-shaped retaining plates 207, and a transmission ring gear 202 is fixedly installed on the side of one of the rotating seats 201. A gear is fixedly provided at the output end of the first transmission motor 106, and the gear is meshingly connected with the transmission ring gear 202. The output end of the first transmission motor 106 is connected to the transmission ring gear 202 through a gear. The first transmission motor 106 drives the rotating seat 201 and the filter mounting arc plate 205 to rotate through the gear and the transmission ring gear 202, thereby realizing the conversion and use of the two filter mounting arc plates 205, thereby avoiding the inability to remove dust from the flue gas due to replacement of the filter mounting arc plate 205.

[0037] See also Figures 1 to 7 , an air delivery mechanism 3 is installed on the inner side of the conversion filter mechanism 2, and the air delivery mechanism 3 includes an air delivery elbow 301, a conical transmission box 102 and a negative pressure dust removal box 101 are connected through the air delivery elbow 301, and the upper end of the air delivery elbow 301 is fixedly connected to the conical transmission box 102, one end of the partition box 203 passes through two rotating seats 201 and is sleeved and installed on the outer side of the bottom end of the air delivery elbow 301, and the bottom end of the air delivery elbow 301 passes through the partition box 203 and is fixedly connected to the mounting plate 302, the rotating seat 201, the transmission gear ring 202, the partition box 203, the filter screen installation arc plate 205 and the arc retaining plate 207 are all rotated clockwise relative to the axis of the mounting plate 302, and a plurality of air intake waist-shaped holes 305 are provided on the upper surface of the bottom end of the air delivery elbow 301, and the air intake waist-shaped holes 305 can continuously guide the smoke before and after the conversion of the two filter screen installation arc plates 205;

[0038] A mounting plate 302 is fixedly installed at the bottom end of the gas transmission elbow 301, and two guide elbows 303 are fixedly installed on the inner side of the mounting plate 302. A plurality of spray heads 304 are provided on the lower end surface of the guide elbow 303. The bottom end of the spray head 304 passes through the movable plug plate 204 and is plugged between the movable plug plate 204 and one of the filter screen mounting arc plates 205. The spray head 304 is connected with the guide elbow 303. The spray direction of the spray head 304 is from top to bottom. The filter screen mounting arc plate 205 after dust removal can be sprayed through the spray head 304 to avoid dust adsorption and accumulation.

[0039] See also Figures 3 to 8 A cleaning mechanism 4 is installed on the inner side of the bottom end of the negative pressure mounting mechanism 1, and the cleaning mechanism 4 includes a guide slide 403, which is fixedly connected to the negative pressure dust removal box 101, and a second transmission motor 404 is fixedly installed on one end of the guide slide 403, and a transmission slide 407 is slidably connected to the inner side of the guide slide 403, and a transmission screw 405 is installed on the inner side of the bottom end of the transmission slide 407, and the output end of the second transmission motor 404 passes through the guide slide 403 and is connected to the transmission screw 405 through a coupling, and a slide groove is provided on the upper end surface of the guide slide 403, and the transmission slide 407 is arranged on the inner side of the slide groove, and the transmission screw 405 is connected to the transmission slide 407 through a thread, and the second transmission motor 404 drives the cleaning scraper 401 to scrape the inner wall of the filter installation arc plate 205 through the transmission screw 405, the transmission slide 407, and the support rod 402;

[0040] An electric push rod 406 is fixedly installed at one end of the transmission slide 407, and the inner side of the upper end of the transmission slide 407 is rotatably connected to the support rod 402, the bottom end of the support rod 402 is connected to the output end of the electric push rod 406 through a transmission connecting rod 408, and a cleaning scraper 401 is fixedly installed on the upper end of the support rod 402, the output end of the electric push rod 406 passes through the transmission slide 407 and is rotatably connected to the transmission connecting rod 408, both ends of the transmission connecting rod 408 are rotatably connected to the support rod 402 and the output end of the electric push rod 406 through a pin, the support rod 402 swings counterclockwise relative to the transmission slide 407 through the pin, and the electric push rod 406 drives the support rod 402 to swing relative to the transmission slide 407 through the transmission connecting rod 408, which can avoid interference with the cleaning scraper 401 when the two filter mounting arc plates 205 are converted.

[0041] In summary, a liquid storage tank is provided between the conical transmission box 102 and the sealing partition 109, so that the filtered liquid is injected into the liquid storage tank through the liquid injection pipe 103, the power is turned on, and the fan box 110 is started, and the inner side of the conical transmission box 102 is negatively pressured through the fan box 110. The conical transmission box 102 is connected with the negative pressure dust removal box 101 through the gas delivery elbow 301, so that a high negative pressure state inside the negative pressure dust removal box 101 is achieved under the interconnection effect of the gas delivery elbow 301, and then the negative pressure dust removal box 101 extracts the flue gas through the air inlet pipe 107, and an arc filter is provided on the inner side of the filter installation arc plate 205, so that the flue gas dust removal operation can be performed through the arc filter;

[0042] A movable plug plate 204 is inserted on the inner side of the bottom end of the separation box 203 and below the gas supply elbow 301, so that the two filter installation arc plates 205 can be separated by the movable plug plate 204, so that one of the arc filters above the separation box 203 can maintain efficient dust removal for the flue gas, and the filtered flue gas is transported to the inside of the filtrate on the inner side of the conical transmission box 102 through the gas supply elbow 301. The filtrate can further remove particles in the flue gas and reduce the temperature of the flue gas, and then it is discharged through the exhaust pipe 105, and the moisture accumulated in the exhaust pipe 105 is discharged through the drain pipe 108. A plurality of overflow pipes 104 are provided in the middle of the conical transmission box 102, so that the filtrate can overflow through the overflow pipe 104, so as to avoid the excessively high liquid level of the filtrate affecting the operation of the fan box 110, and the movable plug plate 204 is pulled out after a certain period of dust removal.

[0043] Start the first transmission motor 106, so that the first transmission motor 106 drives the rotating seat 201, the partition box 203, the filter installation arc plate 205 and the arc retaining plate 207 to rotate 180 degrees relative to the gas transmission elbow 301 through the gear and the transmission gear ring 202 under the support of the negative pressure dust removal box 101, so as to realize the conversion and use of the two filter installation arc plates 205, so as to avoid the inability to remove dust from the flue gas due to the replacement of the filter installation arc plate 205, and then re-insert the movable plug plate 204 to realize continuous dust removal of the flue gas, and the two guide bends 303 can spray the filter installation arc plate 205 after dust removal through the spray head 304;

[0044] Start the second transmission motor 404, so that under the support of the guide slide 403, the second transmission motor 404 drives the transmission slide 407, the support rod 402 and the cleaning scraper 401 through the transmission screw 405 to scrape the inner wall of the filter mounting arc plate 205, so that the filter mounting arc plate 205 can be fully cleaned to meet the automatic cleaning operation of the arc filter. The electric push rod 406 drives the support rod 402 to swing relative to the transmission slide 407 through the transmission connecting rod 408, which can avoid interference with the cleaning scraper 401 when the two filter mounting arc plates 205 are converted.

[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A high negative pressure dust collector, comprising a negative pressure installation mechanism (1), a conversion filter mechanism (2) and a gas transmission mechanism (3), characterized in that: A conversion filter mechanism (2) is installed on the inner side of the middle of the negative pressure installation mechanism (1), a gas transmission mechanism (3) is installed on the inner side of the conversion filter mechanism (2), and a cleaning mechanism (4) is installed on the inner side of the bottom end of the negative pressure installation mechanism (1); the negative pressure installation mechanism (1) comprises a negative pressure dust removal box (101), a first transmission motor (106) is fixedly installed on one side of the negative pressure dust removal box (101), and a conical transmission motor (106) is fixedly installed on the upper end of the negative pressure dust removal box (101). A sealing partition (109) is fixedly installed on the inner side of the bottom end of the conical transmission box (102), a liquid storage bin is provided between the conical transmission box (102) and the sealing partition (109), a liquid injection pipe (103) is installed on the inner side of the liquid storage bin, an air intake pipe (107) is fixedly installed on one side of the conical transmission box (102), a plurality of overflow pipes (104) are provided in the middle of the conical transmission box (102), and a liquid injection pipe (103) is installed on the inner side of the liquid injection pipe (103). A plurality of fan boxes (110) are fixedly mounted on the inner side; an exhaust pipe (105) is fixedly mounted on the upper end surface of the conical transmission box (102); a drain pipe (108) is provided on the inner side of the bottom end of the exhaust pipe (105); the conversion filter mechanism (2) comprises two arc-shaped guide seats (206); the negative pressure dust removal box (101) is fixedly connected to the two arc-shaped guide seats (206); an arc-shaped retaining plate (207) is rotatably connected to one side of the arc-shaped guide seat (206); two filter screen mounting arc-shaped plates (205) are mounted between the two arc-shaped retaining plates (207); a partition box (203) is mounted between the two filter screen mounting arc-shaped plates (205); a movable plug plate (204) is slidably connected to the inner side of the partition box (203); two rotating seats (201) are fixedly mounted on both ends of the two arc-shaped retaining plates (207); a transmission gear ring (202) is fixedly mounted on the side of one of the rotating seats (201); The gas transmission mechanism (3) comprises a gas transmission elbow (301), the upper end of the gas transmission elbow (301) is fixedly connected to the conical transmission box (102), the bottom end of the gas transmission elbow (301) is fixedly mounted with a mounting plate (302), the upper surface of the bottom end of the gas transmission elbow (301) is provided with a plurality of air intake waist-shaped holes (305), two flow guide elbows (303) are fixedly mounted on the inner side of the mounting plate (302), and the lower end surface of the flow guide elbow (303) is provided with a plurality of spray heads (304); The cleaning mechanism (4) comprises a guide slide (403), wherein the guide slide (403) is fixedly connected to the negative pressure dust removal box (101), a second transmission motor (404) is fixedly mounted on one end of the guide slide (403), a transmission slide seat (407) is slidably connected to the inner side of the guide slide (403), a transmission screw (405) is mounted on the inner side of the bottom end of the transmission slide seat (407), an electric push rod (406) is fixedly mounted on one end of the transmission slide seat (407), a support rod (402) is rotatably connected to the inner side of the upper end of the transmission slide seat (407), the bottom end of the support rod (402) is connected to the output end of the electric push rod (406) via a transmission connecting rod (408), and a cleaning scraper (401) is fixedly mounted on the upper end of the support rod (402).

2. The high negative pressure dust collector according to claim 1, characterized in that: A gear is fixedly provided at the output end of the first transmission motor (106), and the gear is meshed with the transmission gear ring (202). The output end of the first transmission motor (106) is connected to the transmission gear ring (202) via a gear. The bottom end of the gas transmission elbow (301) passes through the partition box (203) and is fixedly connected to the mounting plate (302). The rotating seat (201), the transmission gear ring (202), the partition box (203), the filter screen mounting arc plate (205) and the arc retaining plate (207) all rotate clockwise relative to the axis of the mounting plate (302).

3. The high negative pressure dust collector according to claim 2, characterized in that: One end of the partition box (203) passes through the two rotating seats (201) and is sleeved and installed on the outer side of the bottom end of the gas transmission elbow (301). One end of the partition box (203) is provided with two slots. The movable plug plate (204) is plugged into the inner side of one of the slots. The two filter screen mounting arc plates (205) are slidably connected to the arc retaining plate (207) and the rotating seat (201). An arc filter screen is provided on the inner side of the filter screen mounting arc plate (205).

4. The high negative pressure dust collector according to claim 1, characterized in that: The bottom end of the air intake pipe (107) passes through the conical transmission box (102) and the sealing partition (109) in sequence and is plugged into the inner side of the negative pressure dust removal box (101); the air intake pipe (107) is connected to the negative pressure dust removal box (101); and the conical transmission box (102) is connected to the negative pressure dust removal box (101) via a gas transmission elbow (301).

5. The high negative pressure dust collector according to claim 1, characterized in that: The bottom end of the spray head (304) passes through the movable plug plate (204) and is plugged between the movable plug plate (204) and one of the filter screen mounting arc plates (205). The spray head (304) is connected to the guide bend (303). The spray direction of the spray head (304) is from top to bottom.

6. The high negative pressure dust collector according to claim 1, characterized in that: The output end of the second transmission motor (404) passes through the guide slide (403) and is connected to the transmission screw (405) via a coupling; a slide groove is provided on the upper end surface of the guide slide (403); the transmission slide seat (407) is arranged on the inner side of the slide groove; and the transmission screw (405) and the transmission slide seat (407) are connected via threads.

7. The high negative pressure dust collector according to claim 1, characterized in that: The output end of the electric push rod (406) passes through the transmission slide (407) and is rotatably connected to the transmission connecting rod (408). Both ends of the transmission connecting rod (408) are rotatably connected to the support rod (402) and the output end of the electric push rod (406) via a column pin. The support rod (402) swings counterclockwise relative to the transmission slide (407) via the column pin.

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