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CN-224207672-U - Dust suppression device for conveying equipment

CN224207672UCN 224207672 UCN224207672 UCN 224207672UCN-224207672-U

Abstract

The utility model discloses a dust suppression device for conveying equipment, which is characterized by comprising a mounting bracket, wherein connecting pipelines are distributed on the mounting bracket, one end of each connecting pipeline is connected with a water supply pipe, and the other end of each connecting pipeline is connected with a dry fog spray head. The spray head atomizes water into micron-sized dry fog particles through high-pressure air, so that the micron-sized dry fog particles are combined with dust particles and then are coagulated and settled, and therefore dust diffusion is effectively inhibited. The filter component and the back flush component are arranged in the connecting pipeline, and the filter component comprises a filter element cylinder and a filter disc, so that impurities can be intercepted and the spray head can be prevented from being blocked. The back flushing assembly is composed of a one-way valve assembly, a flushing mechanism and the like, is matched with the flow sensor, and can intelligently back flush the filter disc and discharge impurities through the sewage outlet when the flow rate is reduced to a set threshold value. In addition, the connecting frame on the mounting bracket can adjust the position through the screw rod, the motor and the driving cylinder so as to adjust the distance between the connecting pipelines. The device ensures uniform and stable spraying, reduces the workload of manual maintenance and facilitates the use of the spraying dust suppression device.

Inventors

  • CHEN WENJIE
  • ZHANG YUNZHONG
  • ZHANG KE

Assignees

  • 山西信联成科技有限公司

Dates

Publication Date
20260508
Application Date
20250313

Claims (8)

  1. 1. The dust suppression device for the conveying equipment comprises a mounting bracket (1) arranged on one side of an external conveying belt (100), a plurality of connecting pipelines (2) distributed along the length direction of the conveying belt (100) are arranged on the mounting bracket (1), one end of each connecting pipeline (2) is connected with a water supply pipe (3), and the other end of each connecting pipeline is connected with a spray head (4), and the dust suppression device is characterized in that a filter assembly (5) and a backwash assembly (6) matched with the filter assembly (5) are arranged in each connecting pipeline (2), the backwash assembly (6) is used for carrying out back flushing on the filter assembly (5), the dust suppression device further comprises a flow sensor (17) arranged between the filter assembly (5) and the spray heads (4), and the flow sensor (17) is connected with the backwash assembly (6) through a control module and is used for controlling the start and stop of the backwash assembly (6).
  2. 2. A dust suppression device for a conveying apparatus according to claim 1, wherein the filter assembly (5) comprises a filter cartridge (51) sleeved in the connecting pipe (2), and a plurality of filter discs (52) are arranged in the filter cartridge (51) at intervals.
  3. 3. A dust suppression device for a conveying apparatus according to claim 2, characterized in that the back flushing assembly (6) comprises a one-way valve assembly (61) arranged between the water supply pipe (3) and the filtering assembly (5), and a flushing mechanism (62) arranged between the filtering assembly (5) and the spray head (4), the one-way valve assembly (61) is used for enabling liquid to flow unidirectionally from the water supply pipe (3) to the spray head (4), the flushing mechanism (62) is used for guiding the liquid in the water supply pipe (3) into the connecting pipeline (2), the dust suppression device further comprises a drain outlet (8) arranged between the filtering assembly (5) and the one-way valve assembly (61), a sealing mechanism (9) linked with the one-way valve assembly (61) is arranged at the drain outlet (8), the flow sensor (17) is electrically connected with the flushing mechanism (62), and when the flow sensor (17) controls the flushing mechanism (62) to feed water into the connecting pipeline (2), the one-way valve assembly (61) is closed and drives the drain outlet (8) to open.
  4. 4. A dust suppression device for a conveying apparatus according to claim 3, characterized in that the one-way valve assembly (61) comprises a head (611) arranged at the end of the connecting pipe (2), a water inlet (612) connected with the water supply pipe (3) is arranged on the head (611), a plug slidably arranged in the connecting pipe (2) comprises a blocking head (614) capable of blocking the water inlet (612), the blocking head (614) is conical, an annular piston plate (613) is arranged at the periphery of the blocking head (614), a circulation port (615) is arranged on the piston plate (613), the circulation port (615) corresponds to an end face (616) of the head (611), the end face (616) of the head (611) can seal the circulation port (615), and a return spring (617) arranged between the head (611) and the plug.
  5. 5. The dust suppression device for conveying equipment according to claim 4, wherein the drain outlet (8) is arranged between the plug and the filter assembly (5), the sealing mechanism (9) comprises a sealing plate (91) which is arranged in the connecting pipeline (2) in a sliding manner, a discharge outlet (92) corresponding to the drain outlet (8) in position is arranged on the sealing plate (91), the discharge outlet (92) can be arranged in a staggered manner with the drain outlet (8), and the sealing plate (91) is connected with the plug.
  6. 6. The dust suppression device for conveying equipment according to claim 5, wherein the sealing plate (91) is slidably arranged between the filter element cylinder (51) and the connecting pipeline (2), gaps are formed between a plurality of filter discs (52) in the filter element cylinder (51), through holes (93) positioned between the gaps are formed in the inner wall of the filter element cylinder (51), a sewage outlet (8) corresponding to the positions of the through holes (93) is formed in the connecting pipeline (2), and a plurality of discharge ports (92) corresponding to the positions of the through holes (93) and capable of being arranged in a staggered mode are formed in the sealing plate (91).
  7. 7. A dust suppression apparatus for a conveying device according to claim 6, wherein a gasket (7) is provided on the peripheral side of the inner wall of the discharge port (92).
  8. 8. A dust suppression apparatus for a conveyor device according to claim 4, characterized in that the flushing mechanism (62) comprises a water inlet pipe (621) arranged between the spray head (4) and the filter assembly (5), the water inlet pipe (621) being connected to the water supply pipe (3) and the head (611) via a three-way valve (622).

Description

Dust suppression device for conveying equipment Technical Field The utility model relates to the technical field of spray dust suppression, in particular to a dust suppression device for conveying equipment. Background Some minerals or substances with powdery dust such as coal mines are conveyed by adopting a conveying belt at present, and in the conveying process, the minerals jolt on the conveying belt, so that the powdery dust attached to the minerals can be dispersed to the periphery to form dust, the dust phenomenon can seriously damage the surrounding environment, and meanwhile, if the minerals are inhaled into a human body, respiratory diseases of the human body can be caused, and even health is endangered. Therefore, the dry fog dust suppression device is arranged on the existing conveying belt to achieve the dust suppression effect on the conveying belt. Existing dry mist dust suppression devices are typically positioned on one side or above a conveyor belt, with the core components including a spray head, a water supply system, and an air compression system. The device atomizes water into ultrafine dry fog particles through high-pressure air flow to form a uniform spray surface, when dust particles are contacted with the dry fog particles, as the water fog particle diameter is close to the dust particle diameter, dust is condensed with the water fog under the action of Brownian motion, so that weight is increased and sedimentation is carried out, and the dust suppression effect is achieved. However, the dry mist dust suppression device still has a certain problem in the long-term operation process. Wherein, the spray head generally adopts industrial water, and the industrial water source often contains a large amount of impurities such as silt, rust, and the like. These impurities are easily accumulated at the fine spray holes of the spray head, which causes the spray holes to be blocked, affects the spray effect, and even causes equipment failure, thereby affecting the normal use of the spray head. Disclosure of utility model The utility model provides a dust suppression device for conveying equipment, which solves the problem that impurities in water in the related art can block a spray head to influence the normal use of the spray head. The dust suppression device for the conveying equipment comprises a mounting bracket arranged on one side of an external conveying belt, wherein a plurality of connecting pipelines distributed along the length direction of the conveying belt are arranged on the mounting bracket, one end of each connecting pipeline is connected with a water supply pipe, the other end of each connecting pipeline is connected with a spray head, a filter assembly and a back flushing assembly matched with the filter assembly are arranged in each connecting pipeline, the back flushing assembly is used for back flushing the filter assembly, and the dust suppression device also comprises a flow sensor arranged between the filter assembly and the spray heads, and the flow sensor is connected with the back flushing assembly through a control module and is used for controlling the start and stop of the back flushing assembly. The utility model is further arranged that the filter assembly comprises a filter element cylinder sleeved in the connecting pipeline, and a plurality of filter discs are arranged in the filter element cylinder at intervals. The utility model further provides a back flushing assembly, which comprises a one-way valve assembly arranged between a water supply pipe and a filter assembly, a flushing mechanism arranged between the filter assembly and a spray head, wherein the one-way valve assembly is used for enabling liquid to flow unidirectionally from the water supply pipe to the spray head, the flushing mechanism is used for guiding the liquid in the water supply pipe into a connecting pipeline, a sewage outlet arranged between the filter assembly and the one-way valve assembly, a sealing mechanism linked with the one-way valve assembly is arranged at the sewage outlet, and the flow sensor is electrically connected with the flushing mechanism, and when the flow sensor controls the flushing mechanism to feed water into the connecting pipeline, the one-way valve assembly is closed and drives the sealing mechanism to open the sewage outlet. The one-way valve assembly comprises an end socket arranged at the end part of a connecting pipeline, a water inlet connected with a water supply pipe and a plug arranged in the connecting pipeline in a sliding manner, wherein the plug comprises a blocking head capable of blocking the water inlet, the blocking head is conical, an annular piston plate is arranged on the periphery of the blocking head, a circulation port is arranged on the piston plate and corresponds to the end face of the end socket, the end face of the end socket can seal the circulation port, and a reset spring is arranged between the end socket and the plug. The uti