A pulse nozzle for mine dust filter screen and a dust treatment system

Abstract

The present invention discloses a pulse nozzle for a mine dust filter screen and a dust treatment system. The pulse nozzle for the mine dust filter screen in the present invention can effectively ensure the uniformity of the high-pressure gas outlet, and at the same time is adapted to be used with filter bags. It can be used to check whether the filter bags are damaged, and can continue to be used after a group of filter bags connected to it are damaged. At the same time, on the one hand, the dust treatment system performs dust cleaning through a group of pulse high-pressure inflation, effectively ensuring the relative consistency of the high-pressure inflation of the filter bags and improving the service life of the filter bags. On the other hand, it can check whether the filter bags are damaged and can be replaced without shutting down the machine.

Description

Technical Field

[0001] The present invention relates to the field of dust treatment, and particularly to a mine dust filter screen pulse nozzle dust treatment system. Background Art

[0002] Underground dust will not only have a certain impact on the safety of underground operations, but also affect the physical health of underground construction workers. With the rapid development of coal mining technology, the degree of automation of underground operations has gradually increased, but the problem of dust emission has become more and more serious. In particular, the excessive underground coal dust will pose a great threat to the health of construction workers. At the same time, there is also an explosion hazard; it will also lead to increased wear of mechanical and electrical equipment, reducing the service life of instruments and equipment.

[0003] When a pulse jet bag filter works normally, the dusty gas enters the ash hopper from the air inlet. Due to the rapid expansion of the gas volume, a part of the coarser dust particles fall into the ash hopper due to inertia or natural sedimentation, etc. Most of the remaining dust particles rise with the air flow into the bag chamber. After being filtered by the filter bags, the dust particles are retained on the outer side of the filter bags. The purified gas enters the upper box body from the inside of the filter bags, and then is discharged into the atmosphere through the valve plate holes and the air outlet, so as to achieve the purpose of dust removal. As the filtration continues, the resistance of the dust collector also rises. When the resistance reaches a certain value, the dust cleaning controller issues a dust cleaning command. First, the lifting valve plate is closed to cut off the filtration air flow; then, the dust cleaning controller sends a signal to the pulse solenoid valve. As the pulse valve sends the high-pressure reverse air flow used for dust cleaning into the bag, the filter bag quickly bulges and produces a strong vibration, causing the dust on the outer side of the filter bag to fall off, achieving the purpose of dust cleaning.

[0004] On the one hand, it is necessary to ensure the uniformity of the intake air of the pulse nozzle to avoid the situation where the local expansion of the filter bag is not in place, which will affect the local dust cleaning effect and the service life of the filter bag. At the same time, the current replacement of the filter bag needs to be carried out under shutdown conditions, and the operation is relatively complicated. At the same time, it is not possible to know well which group of filter bags is damaged, and it also needs to be shut down for replacement, which affects the dust treatment and poses a certain hidden danger to coal mining. Summary of the Invention

[0005] The purpose of the present invention is to overcome the above-mentioned deficiencies existing in the prior art, and to provide a mine dust filter screen pulse nozzle and a dust treatment system with reasonable structural design, uniform intake air and convenient maintenance and replacement without shutdown.

[0006] The technical solution adopted by the present invention to solve the above problems is as follows: A pulse nozzle for a mine dust filter screen, comprising a main pipe body, a valve seat, a valve core and a pushing member. The main pipe body is provided with a pipe orifice channel for connecting an air outlet cavity. The valve seat is fixed to the cavity of the main pipe body. The valve seat is provided with a plurality of first air inlet channels. The valve core is provided with a second air inlet channel. The first air inlet channels and the second air inlet channels are arranged in an alternating manner. The pushing member is provided with a push rod slidably passing through the valve seat and connected to an elastic member of the valve core. Under the action of the elastic member, the valve seat and the valve core are in a fitting arrangement at the initial position. A contact port adapted to the valve core is provided below the main pipe body. When the valve core is adapted to the contact port, the valve core closes the pipe orifice channel.

[0007] Further: The elastic member adopts a spring member. The spring member is arranged in an installation groove of the valve seat. One end of the spring member is fixed to the valve core, and the other end of the spring member is fixed to the bottom of the installation groove.

[0008] Further: The second air inlet channel has a central opening in the valve core. The first air inlet channels have openings on the eccentric side of the valve seat, and the openings of the plurality of first air inlet channels are concentrically arranged and of the same size.

[0009] A dust treatment system, characterized in that: it comprises a box body, a circulating conveying part and a filtering part. The circulating conveying part and the filtering part are arranged in the box body. The circulating conveying part comprises an annular groove seat, an annular conveyor belt and a sliding seat. The annular conveyor belt is arranged on the annular groove seat. An annular groove is adaptively arranged on the side of the annular groove seat. The annular groove is provided with a slot communicating with the internal cavity. The sliding seats are arranged at equal intervals on the annular conveyor belt, and the sliding seats are driven by the annular conveyor belt to move around the annular groove. The sliding seat is provided with an air outlet pipe slidably arranged on the slot. A belt line is arranged in a fitting manner on the annular groove. The air outlet of the sliding seat is sleeved and fixed with the belt line;

[0010] The filtering part comprises a filter bag module. The filter bag is communicated with the fixed base and the cavity of the sliding seat;

[0011] The fixed base is connected with a Venturi tube. A conical flow guide block is arranged in the lower cavity of the Venturi tube. A plurality of first flow guide holes are arranged at equal intervals and at equal angles and concentrically around the gap edge between the Venturi tube and the conical flow guide block. The first flow guide holes are arranged on a first flow guide plate. The first flow guide holes are connected to corresponding filter bags through pipe connectors. The filter bags are provided with a second flow guide plate and are adapted with second flow guide holes. The conical flow guide block is provided with a driving motor. The motor shaft of the driving motor is rotationally connected with the first flow guide plate. The first flow guide plate is relatively fixed with the conical flow guide block and the end face of the Venturi tube. The pipe connector includes a plurality of straight pipes and a central pipe. One ends of the straight pipes and the central pipe are sequentially connected and fixed with the first flow guide holes. The second flow guide plate is relatively fixed with the Venturi tube. The straight pipes are rotationally connected with the second flow guide tube. The central pipe is adapted to the central hole position of the second flow guide plate;

[0012] An air inlet is arranged at the top of the sliding seat. The above-mentioned mine dust filter screen pulse nozzle is arranged at the air inlet. The air duct is communicated with the nozzle channel. A pulse blowing module is arranged at one end of the annular groove body. The pulse blowing module includes an air storage tank, an inflation nozzle adapted to be connected with the upper end of the main pipe body, and a lifting module. The lifting module and the air storage tank are fixed on the annular groove seat. The inflation nozzle is arranged to slide up and down through the connection of the lifting module. When the inflation nozzle descends and contacts and adapts to the pushing part for pulse mode inflation and dust cleaning. The box body is provided with an air inlet module which is connected with the filter chamber of the box body. The annular groove seat is provided with an air outlet pipe opening. The air outlet pipe opening is communicated with the cavity of the annular groove seat and extends out of the box body;

[0013] The air storage tank is also connected with a compressed gas generating device through a valve body part.

[0014] Further: The box body is also provided with a side chamber. The side chamber and the filter chamber are isolated by a slidable side door that can be opened. A manipulator is arranged in the side chamber. The manipulator is arranged at the other end of the circulating conveying part. The manipulator is used to remove the filter part installed on the sliding seat and move it to the side chamber. A first maintenance door is arranged on the box body and is communicated with the side chamber.

[0015] Further: The manipulator includes an axial conveying part and a double-claw mechanical gripper. The axial conveying part is connected with the double-claw mechanical gripper. Fixed components are arranged on both sides of the fixed base. The fixed components include clamping blocks and fixing buckles. The clamping blocks are fixed with the fixing buckles. The fixed base is provided with a slot. A sliding rod is arranged in the slot. The fixing buckles are slidably arranged on the sliding rod. Return springs are sleeved on the sliding rod and are respectively in contact with or fixed to the fixing buckles on both sides. The fixing buckles are provided with limiting blocks. The sliding seat is provided with a guide slot and a limiting slot adapted to the fixing buckles.

[0016] Further: The box body is further provided with a second inspection door communicating with the filtering chamber.

[0017] Further: At both ends of the annular groove body, it is closed and no slotted is provided, and an arc-shaped plate is provided. The air outlet pipe is provided with a first pipe fitting and a second pipe fitting. The second pipe fitting is sleeved in the socket groove of the first pipe fitting. A spring member is arranged in the socket groove, and the end of the second pipe fitting is in fitting contact with the arc surface of the arc-shaped plate.

[0018] Further: The first pipe fitting is provided with a grooved pulley, the grooved pulley is rotatably connected to the first pipe fitting, and the grooved pulley is adaptively arranged on the guide rail of the annular groove.

[0019] Compared with the prior art, the present invention has the following advantages and effects: The pulse nozzle of the mine dust filter screen of the present utility model can effectively ensure the uniformity of the high-pressure gas outlet, and at the same time is adapted to be used with the filter bag, and can be used to check whether the filter bag is damaged. At the same time, it can continue to be used after a group of filter bags connected to it are damaged. At the same time, on the one hand, the dust treatment system performs dust cleaning through a group of pulse high-pressure inflation, effectively ensuring the relative consistency of the high-pressure inflation of the filter bag and improving the service life of the filter bag. On the other hand, it can check whether the filter bag is damaged and can be replaced without stopping the machine. Description of the Drawings

[0020] Figure 1 is a schematic structural diagram of the pulse nozzle of the mine dust filter screen in the embodiment of the present invention.

[0021] Figure 2 is a schematic structural diagram of the dust treatment system in the embodiment of the present invention.

[0022] Figure 3 is a schematic structural diagram of the circulating conveying part in the embodiment of the present invention.

[0023] Figure 4 is a schematic structural diagram of the annular groove seat and the sliding seat in the embodiment of the present invention.

[0024] Figure 5 is a schematic structural diagram of the connecting part in the embodiment of the present invention.

[0025] Figure 6 is a schematic structural diagram of the connection structure of the fixed base in the embodiment of the present invention.

[0026] Figure 7 is a schematic structural diagram of the connection structure of the Venturi tube and the conical deflector in the embodiment of the present invention.

[0027] Figure 8 is a schematic structural diagram of the annular groove in the embodiment of the present invention.

[0028] Figure 9 is a schematic structural diagram of the straight section and the arc section in the embodiment of the present invention.

[0029] Description of the Drawings: Ring groove seat 101, grooved section 102, closed section 103, belt 104, ring groove 105, air duct 106, circulating conveyor line 107, main pipe body 108, valve seat 109, valve core 110, pushing member 111, pipe orifice passage 112, first air inlet passage 113, second air inlet passage 114, gas storage tank 115, inflation nozzle 116, lifting module 117, side sliding door 118, axial conveyor section 119, double-claw mechanical gripper 120, sliding seat 121, fixed base 122, clamping block 123, fixed buckle 124, sliding rod 125, return spring 126, limiting block 127, limiting groove 128, Venturi tube 129, conical deflector 130, first deflector plate 131, second deflector plate 132, drive motor 133, straight pipe 134, central pipe 135, sealing pipe 136, arc plate 139, arc extension end 140, first pipe fitting 141, second pipe fitting 142, sprocket 143, guide rail 144, first inspection door 145, second inspection door 146, box body 147, filter cloth bag 148, elastic member 149, air outlet pipe orifice 150. Detailed Embodiment

[0030] The present invention will be further described in detail below with reference to the drawings and through embodiments. The following embodiments are explanations of the present invention, and the present invention is not limited to the following embodiments.

[0031] See Figures 1-9 , this embodiment relates to a dust treatment system, including a box body 147, a circulating conveyor section and a filtering section. The circulating conveyor section and the filtering section are arranged inside the box body 147. The circulating conveyor section includes a ring groove seat 101, a ring conveyor belt and a sliding seat 121. The ring conveyor belt is arranged on the ring groove seat 101. A ring groove 105 is adaptively arranged on the side of the ring groove seat 101. The ring groove 105 is provided with a groove communicating with the internal cavity. The sliding seats 121 are arranged at equal intervals on the ring conveyor belt, and the sliding seats 121 are driven by the ring conveyor belt to move around the ring groove 105. An air duct 106 is arranged on the sliding seat 121 and slides on the groove. A belt 104 line is attached to the ring groove 105, and the air outlet of the sliding seat 121 is sleeved and fixed with the belt 104 line;

[0032] The filtering section includes a filter cloth bag 148 module, and the filter cloth bag 148 communicates with the cavities of the fixed base 122 and the sliding seat 121;

[0033] An air inlet is provided at the top of the sliding seat 121. A mine dust filter pulse nozzle is provided at the air inlet. The air duct 106 is communicated with the pipe orifice channel 112. A pulse blowing module is provided at one end of the annular groove 105 body. The pulse blowing module includes an air storage tank 115, an inflation nozzle 116 adaptively connected to the upper end of the main pipe body 108, and a lifting module 117. The lifting module 117 and the air storage tank 115 are fixed on the annular groove seat 101. The inflation nozzle 116 is arranged to slide up and down by connecting the lifting module 117. When the inflation nozzle 116 descends to contact and fit with the pushing member 111 for pulse mode inflation and dust cleaning, an air inlet module is provided in the box body 147. The air inlet module is connected to the filtering chamber of the box body 147. An air outlet pipe orifice 150 is provided on the annular groove seat 101. The air outlet pipe orifice 150 is communicated with the cavity of the annular groove seat 101 and extends out of the box body 147;

[0034] The mine dust filter pulse nozzle includes a main body 108, a valve seat 109, a valve core 110, and a pushing member 111. The main body 108 is provided with a pipe orifice channel 112 for connecting the air outlet cavity. The valve seat 109 is fixed to the cavity of the main body 108. The valve seat 109 is provided with a plurality of first air inlet channels 113. The valve core 110 is provided with a second air inlet channel 114. The first air inlet channels 113 and the second air inlet channels 114 are arranged in an alternating manner. The pushing member 111 is provided with a push rod that slidably passes through the valve seat 109 and is connected to an elastic member 149 of the valve core 110. Under the action of the elastic member 149, the valve seat 109 and the valve core 110 are arranged in a fitting manner at the initial position. A contact port adapted to the valve core 110 is provided below the main body 108. When the valve core 110 is adapted to the contact port, the valve core 110 closes the pipe orifice channel 112. In this structure, during the normal filtering process, due to the action of the elastic member 149, the valve seat 109 and the valve core 110 are fitted and closed. At this time, the lower end of the main body 108 is communicated with the pipe orifice channel 112 for normal filter bag filtration. When pulse jet cleaning is required, the inflation nozzle 116 presses down the pushing member 111, and then the valve seat 109 and the valve core 110 are separated, and the first air inlet channels 113 and the second air inlet channels 114 are communicated. Compared with the traditional structure, there is no need to set multiple valve bodies. At the same time, in this structure, since the front end of the pipe orifice channel 112 is closed by the valve core 110, when the high-pressure gas is conducted, the gas will not be conducted into the front pipe body of the pipe orifice channel 112, making the introduction of the high-pressure gas more uniform and not easily causing uneven air flow introduction due to irregular cavity resulting in air flow disturbance and blocked air flow introduction. Specifically, the elastic member 149 adopts a spring member. The spring member is arranged in the installation groove of the valve seat 109. One end of the spring member is fixed to the valve core 110, and the other end of the spring member is fixed to the bottom of the installation groove. The second air inlet channel 114 has a central opening in the valve core 110. The first air inlet channels 113 have openings on the eccentric side of the valve seat 109, and the openings of the plurality of first air inlet channels 113 are concentrically arranged and of the same size. The central opening causes the air flow to be introduced from the center, further making the gas introduction uniform.

[0035] During the operation of the above dust treatment system, the filter bag 148 is set to move in a cycle. Pulse cleaning is performed at one end, and a set of pulse devices is used, which is convenient to control, relatively easy to control, ensures the stability of the pulse gas, and also relatively controls the cost. A replacement component is set at the other end, which facilitates the replacement of the filter bag 148 module without stopping the machine. Thus, in most cases, the dust removal work in the mine can be carried out normally. At the same time, the filter bag 148 module moves in a cycle on the circular track seat, which is convenient to contact various positions in the filter chamber, so as to ensure relatively consistent basic dust environments for the filter bags at each station. Therefore, effectively setting the consistent pulse parameters of the pulse gas has a good effect on cleaning the filter bag 148, avoiding incomplete cleaning or increased damage to the filter bag during the dust removal process due to the pulse gas being set too large or too small, and reducing the service life of the filter bag 148.

[0036] Among them, in this embodiment, the fixed base 122 is connected with a Venturi tube 129, and the Venturi tube 129 helps to further accelerate the gas to form a high-pressure pulse. A conical flow guide block 130 is arranged in the lower end cavity of the Venturi tube 129, and the conical shape helps to ensure that the air flow is evenly led out around. A number of first flow guide holes are arranged at equal intervals and at equal angles concentrically along the gap edge between the Venturi tube 129 and the conical flow guide block 130. The first flow guide holes are arranged on the first flow guide plate 131. The first flow guide holes are connected to the corresponding filter bags 148 through pipe connectors. The filter bags 148 are provided with a second flow guide plate 132 and are adapted with second flow guide holes. A driving motor 133 is arranged on the conical flow guide block 130. The motor shaft of the driving motor 133 is rotationally connected with the first flow guide plate 131. The first flow guide plate 131 is relatively fixed with the end faces of the conical flow guide block 130 and the Venturi tube 129. The pipe connector includes a number of straight pipes 134 and a central pipe 135. One ends of the straight pipes 134 and the central pipe 135 are sequentially connected and fixed with the first flow guide holes. The second flow guide plate 132 is fixed relative to the Venturi tube 129. The straight pipes 134 are rotationally connected with the second flow guide tube. The central pipe 135 is adapted to the central hole position of the second flow guide plate 132. As shown in the figure, the second flow guide holes not connected with the pipe connectors are fixed with the central pipe 135 through a sealing pipe 136 (solid and non-conductive). With this structure, multiple groups of filter bags 148 can be arranged on a set of connection parts. At the same time, when the dust content in the filtered gas becomes higher, it indicates that one of the filter bags 148 in the working state may be damaged. At this time, in the case of without shutdown adjustment and replacement adjustment, the second flow guide plate 132 can be rotated in sequence for gradual screening. When the quality of the filtered gas is restored, it indicates that the filter bag 148 adapted to the position of the sealing pipe 136 is leaking and needs to be replaced. At the same time, in this structure, it can continue to be used without immediately replacing it, and be replaced when there are replacement conditions, so as to ensure that the filter bags 148 can normally perform filtering and pulse dust cleaning operations.

[0037] In this embodiment, the dust treatment system adopts a circulating conveying structure. The filtered gas enters the cavity of the annular groove seat 101 through the opening of the annular groove 105 and is led out through the air outlet pipe 150. Among them, this structure can circulate and introduce gas into the filter bags 148 through a group of pulse high-pressure gas groups for dust cleaning. The introduction pressure control is more consistent, effectively preventing incomplete dust cleaning or filter bag damage caused by too small or too large pressure during the dust cleaning process. The air storage tank 115 is also connected with a compressed gas generating device through a valve body part for supplementing the gas pressure.

[0038] The box body 147 is further provided with a side chamber, which is isolated from the filtering chamber by a slidable side door 118 that can be opened. A manipulator is arranged in the side chamber, and the manipulator is arranged at the other end of the circulating conveyor. The manipulator is used to remove the filtering part mounted on the sliding seat 121 and move it to the side chamber. A first inspection door 145 communicating with the side chamber is arranged on the box body 147. In this structure, without stopping the work, the module of the filter bag 148 to be replaced is conveyed to the other end of the circulating conveyor. The side sliding door 118 is opened, and the module composed of the filter bag 148 is removed by the manipulator and placed into the side chamber. After the internal part is statically stable, the filter bag 148 is inspected and maintained. During this process, the normal filtering work of the equipment is not affected. Specifically, the manipulator includes an axial conveyor 119 and a two-claw mechanical gripper 120. The axial conveyor 119 is connected to the two-claw mechanical gripper 120. Fixed components are arranged on both sides of the fixed base 122. The fixed components include a clamping block 123 and a fixing buckle 124. The clamping block 123 is fixed to the fixing buckle 124. The fixed base 122 is provided with a slot, and a sliding rod 125 is arranged in the slot. The fixing buckle 124 is slidably arranged on the sliding rod 125. A return spring 126 is sleeved on the sliding rod 125 and contacts or is fixed to the fixing buckles 124 on both sides respectively. The fixing buckle 124 is provided with a limiting block 127. The sliding seat 121 is provided with a guide slot and a limiting slot 128 adapted to the fixing buckle 124. During the installation process, the manipulator grabs the clamping block 123, so that the fixing buckle 124 contracts inward, and its position is adapted to the guide slot. Then it is inserted into the guide slot, and the fixing buckle 124 is gradually released. The limiting block 127 is adapted to the limiting slot 128, so that the sliding seat 121 is fixed to the fixed base 122. On the contrary, the module composed of the filter bag 148 can be removed.

[0039] The box body 147 is further provided with a second inspection door 146 communicating with the filtering chamber, which is convenient for overall maintenance of the interior after shutdown and replacement of internal worn parts, such as the belt 104, etc.

[0040] Among them, in this embodiment, at the other end of the annular groove 105 body, it is closed without a slot and an arc-shaped plate 139 is provided. The air outlet pipe 106 is provided with a first pipe fitting 141 and a second pipe fitting 142. The second pipe fitting 142 is sleeved in the socket groove of the first pipe fitting 141. As shown in the figure, the arc-shaped plate 139 is provided with an arc-shaped extension section opposite to the slot. A spring member is provided in the socket groove. The end of the second pipe fitting 142 is in surface contact and fit with the arc surface of the arc-shaped plate 139. Therefore, when the sliding seat 121 is at the ends of the two arc-shaped plates 139, the air duct opening is in contact with the arc-shaped plate 139, making the closure unable to communicate with the cavity of the annular groove seat 101. On the one hand, when there is a situation where some of the filter bags 148 in the module composed of the filter bags 148 are damaged, the above module can be gradually operated to the other end of the annular groove seat 101. When the module is at the other end, if the quality of the filtered gas returns to good, it indicates that the module at the end has a leak and needs to be replaced.

[0041] As shown in the figure, the first pipe fitting 141 is provided with a grooved pulley 143. The grooved pulley 143 is rotatably connected to the first pipe fitting 141. The grooved pulley 143 is adaptively arranged on the guide rail 144 of the annular groove 105, and the belt 104 is arranged in the groove adapted to the upper and lower parts of the annular groove 105, so as to ensure good smooth operation and sealing effect.

[0042] What is described above in this specification is only an example of the present invention. Those skilled in the technical field to which the present invention belongs can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the content of this specification of the present invention or exceed the scope defined by this claim book, they should all belong to the protection scope of the present invention.

Claims

1. A pulse nozzle for a mine dust filter screen, characterized in that: It includes a main pipe body, a valve seat, a valve core and a pushing member. The main pipe body is provided with a pipe orifice channel for connecting an air outlet cavity. The valve seat is fixed to the cavity of the main pipe body. The valve seat is provided with a plurality of first air inlet channels. The valve core is provided with a second air inlet channel. The first air inlet channels and the second air inlet channel are arranged alternately. The pushing member is provided with a push rod that slidably passes through the valve seat and is connected to an elastic member of the valve core. Under the action of the elastic member, the valve seat and the valve core are attached to each other at the initial position. A contact orifice adapted to the valve core is provided below the main pipe body. When the valve core is adapted to the contact orifice, the valve core closes the pipe orifice channel.

2. The pulse nozzle of the mine dust filter screen according to claim 1, characterized in that: The elastic member is a spring member. The spring member is arranged in an installation groove of the valve seat. One end of the spring member is fixed to the valve core, and the other end of the spring member is fixed to the bottom of the installation groove.

3. The pulse nozzle of a mine dust filter screen according to claim 1, characterized in that: The second air inlet channel has a central opening in the valve core. The first air inlet channels have openings on the eccentric side of the valve seat, and the openings of the plurality of first air inlet channels are concentrically arranged and of the same size.

4. A dust treatment system, characterized in that: It includes a box body, a circulating conveying part and a filtering part. The circulating conveying part and the filtering part are arranged in the box body. The circulating conveying part includes an annular groove seat, an annular conveyor belt and a sliding seat. The annular conveyor belt is arranged on the annular groove seat. An annular groove is adaptively arranged on the side of the annular groove seat. The annular groove is provided with a notch communicating with the internal cavity. The sliding seats are arranged at equal intervals on the annular conveyor belt, and the sliding seats are driven by the annular conveyor belt to move around the annular groove. The sliding seat is provided with an air outlet pipe that slidably arranges on the notch. A belt line is attached to the annular groove. The air outlet of the sliding seat is fixedly sleeved with the belt line. The filtering part includes a filter cloth bag module. The filter cloth bag communicates with the cavity of the fixed base and the sliding seat. The fixed base is connected with a Venturi tube. A conical guide block is arranged in the lower end cavity of the Venturi tube. A plurality of first guide holes are arranged at equal intervals, at equal angles and concentrically along the gap edge between the Venturi tube and the conical guide block. The first guide holes are arranged on the first guide plate. The first guide holes are connected to the corresponding filter cloth bags through pipe connectors. The filter cloth bag is provided with a second guide plate and is adapted with second guide holes. The conical guide block is provided with a driving motor. The motor shaft of the driving motor is rotationally connected to the first guide plate. The first guide plate is relatively fixed to the end faces of the conical guide block and the Venturi tube. The pipe connector includes a plurality of straight pipes and a central pipe. One ends of the straight pipes and the central pipe are sequentially connected and fixed to the first guide holes. The second guide plate is relatively fixed to the Venturi tube. The straight pipes are rotationally connected to the second guide pipes. The central pipe is adapted to the central hole position of the second guide plate. An air inlet is provided at the top of the sliding seat. The air inlet is provided with the mine dust filter pulse nozzle as described in any one of claims 1-3. The air duct is communicated with the pipe orifice passage. The annular groove body is provided with a pulse blowing module at one end. The pulse blowing module includes an air storage tank, an inflation nozzle adaptively connected to the upper end of the main pipe body, and a lifting module. The lifting module and the air storage tank are fixed on the annular groove seat. The inflation nozzle is arranged to slide up and down by connecting the lifting module. When the inflation nozzle descends and contacts and adapts to the pushing member for pulse mode inflation and dust cleaning, the box body is provided with an air inlet module which is connected to the filtering chamber of the box body. The annular groove seat is provided with an air outlet pipe orifice which is communicated with the cavity of the annular groove seat and extends out of the box body; The air storage tank is also connected with a compressed gas generating device through a valve body part.

5. A dust treatment system according to claim 4, characterized in that: The box body is also provided with a side chamber which is isolated from the filtering chamber by a slidable side door that can be opened. The side chamber is provided with a manipulator which is arranged at the other end of the circulating conveying part. The manipulator is used for removing the filtering part installed on the sliding seat and moving it to the side chamber. The box body is provided with a first inspection door which is communicated with the side chamber.

6. The dust treatment system according to claim 5, wherein: The manipulator includes an axial conveying part and a double-claw mechanical gripper. The axial conveying part is connected with the double-claw mechanical gripper. Fixed components are arranged on both sides of the fixed base. The fixed components include clamping blocks and fixing buckles. The clamping blocks are fixed to the fixing buckles. The fixed base is provided with a slot, and a sliding rod is arranged in the slot. The fixing buckles are slidably arranged on the sliding rod. Return springs are sleeved on the sliding rod and are respectively in contact with or fixed to the fixing buckles on both sides. The fixing buckles are provided with limit blocks. The sliding seat is provided with a guide slot and a limit slot adapted to the fixing buckles.

7. A dust treatment system according to claim 6, characterized in that: The box body is also provided with a second inspection door which is communicated with the filtering chamber.

8. A dust treatment system according to claim 7, characterized in that: Both ends of the annular groove body are closed and not provided with openings and are provided with arc-shaped plates. The air duct is provided with a first pipe fitting and a second pipe fitting. The second pipe fitting is sleeved in the socket groove of the first pipe fitting. A spring member is arranged in the socket groove. The end of the second pipe fitting is in surface contact and adaptation with the arc surface of the arc-shaped plate.

9. A dust treatment system according to claim 8, characterized in that: The first pipe fitting is provided with a grooved wheel which is rotatably connected with the first pipe fitting. The grooved wheel is adaptively arranged on the guide rail of the annular groove.

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