CN219929053U - Sealing, pressure-reducing and dust-suppressing device for gas film type storage yard conveyor - Google Patents
Sealing, pressure-reducing and dust-suppressing device for gas film type storage yard conveyor Download PDFInfo
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- CN219929053U CN219929053U CN202320831880.1U CN202320831880U CN219929053U CN 219929053 U CN219929053 U CN 219929053U CN 202320831880 U CN202320831880 U CN 202320831880U CN 219929053 U CN219929053 U CN 219929053U
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- 238000007789 sealing Methods 0.000 title claims abstract description 81
- 238000003860 storage Methods 0.000 title claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 49
- 230000001629 suppression Effects 0.000 claims abstract description 19
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 229920002521 macromolecule Polymers 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 31
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model provides a seal pressure-reducing dust suppression device for a gas film type storage yard conveyor, which belongs to the technical field of gas film type storage yards and comprises a combined sealing assembly, an electric flashboard, a parallel carrier roller set and a high polymer wear-resisting plate, wherein the combined sealing assembly is used for sealing a gap formed between a belt conveyor and a gas film chamber, the electric flashboard can vertically lift and seal a guide chute, the parallel carrier roller set is used for rolling a return belt in supporting and rolling pushing conveying, and the high polymer wear-resisting plate is used for preventing the belt from deviating in conveying. The sealing, decompressing and dust suppressing device for the air film type storage yard conveyor provided by the utility model solves the technical problems of dust raising and material particle scattering caused by internal and external pressure difference of materials conveyed by the storage yard belt conveyor, has a simple structure and low cost, comprehensively treats running, overflowing and leaking of the air film storage yard, and particularly has outstanding dynamic stability of a belt and static sealing effect of the belt, and the reliability, safety and stability of the air film storage yard are tamped.
Description
Technical Field
The utility model belongs to the technical field of air film type storage yards, and particularly relates to a seal pressure-reducing dust suppression device for an air film type storage yard conveyor.
Background
The air film type material storage yard is a novel material yard totally-enclosed mode which is designed for meeting the environmental protection requirement and is based on a concrete casting wall in the development process of industrial and mining enterprises in China, a closed space made of film materials is matched with a corresponding steel cable system to be connected with the concrete casting wall base in an anchoring manner (the air pressure in an air film chamber is kept constant to be 300-500 Pa), and air pressure difference is utilized to form wind, frost, rain and snow resistance. Bucket wheel machines and belt conveyors are arranged in a stock ground to stack and take raw materials, so that the production requirement is met.
During the working process of the belt conveyor, local airflow passes through rapidly due to the action of internal and external pressure differences. The air flow contains certain dust, and meanwhile, high-speed air flow can lead material particles with certain mass to jump, so that dust and material particles are scattered, and the surrounding environment is polluted.
An off-site guide chute is arranged outside the storage yard, a return belt guide chute is arranged in the storage yard, and the static air leakage phenomenon of the belt conveyor is easy to occur at the off-site guide chute; the phenomenon of unstable belt running and dynamic belt jumping easily occurs at the position of the return belt guide groove; the side part of the belt conveyor in operation is easy to generate the phenomena of dynamic air leakage and powder leakage.
At present, the gas film type material yard belt conveyor adopts a sealed type guide chute, a multi-stage dustproof curtain and a dry fog dust suppression combined mode to solve the problems of dust emission and material particle scattering at the joint part of the gas film type material yard belt conveyor and the gas film chamber. It is known from multiple aspects that due to dynamic conditions in the field, there are some uncertain factors, such as dust caused by static air leakage of a guide chute outside a storage yard, dust caused by unstable belt operation at a return belt guide chute, and off-tracking air leakage dust caused by off-tracking of a belt conveyor in operation. The combined mode has higher maintenance cost and larger maintenance quantity, and the problems of dust and material particles scattering still exist, so that the ideal effect is not achieved.
Disclosure of Invention
The utility model aims to provide a sealing, pressure-reducing and dust-suppressing device for a gas film type storage yard conveyor, and aims to solve the technical problems that dust and material particles are scattered due to internal and external pressure difference when materials are conveyed by a storage yard belt conveyor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a gaseous film formula storage yard conveyer seal decompression dust suppression device, include:
the combined sealing assembly is arranged at the joint part of the belt conveyor and the air film chamber and is used for sealing a gap formed between the belt conveyor and the air film chamber;
the electric flashboard is arranged above the guide chute outside the storage yard, can vertically ascend and descend, and is provided with a first state for closing the feed inlet of the guide chute after descending, enabling the guide chute to form a closed state in the guide chute, and a second state for opening the feed inlet of the guide chute after ascending and enabling the guide chute to form an open state, and the electric flashboard is used for enabling the guide chute to be switched between the first state and the second state;
the parallel carrier roller group is arranged at the return belt guide groove and used for rolling and supporting the return belt in rolling and pushing conveying;
the high polymer wear-resisting plates are arranged on two sides of the belt conveyor along the conveying direction of the belt conveyor and used for preventing the belt from deviating in conveying.
In one possible implementation manner, the parallel idler sets comprise two sets of upper idler and lower idler which are arranged in an up-down mode, and the two sets of parallel idler sets are respectively arranged in front of and behind the return belt guide groove along the running direction of the belt.
In one possible implementation manner, the upper carrier roller and the lower carrier roller both comprise supporting legs and carrier rollers rotatably connected to the supporting legs, and the two groups of carrier rollers are arranged in parallel.
In one possible implementation, the height of the supporting legs can be adjusted, and the center distance between the supporting rollers of the upper supporting rollers and the supporting rollers of the lower supporting rollers is adjusted by the supporting legs.
In one possible implementation, the electric flashboard comprises a frame body erected above the belt conveyor, a driver connected to the frame body and a flashboard connected to a power output end of the driver, wherein the driver is used for driving the flashboard to lift so as to switch the guide chute between a first state and a second state.
In one possible implementation manner, the driver comprises a winch and a controller which are electrically connected with each other, a power output end of the winch is connected with the flashboard and drives the flashboard to lift, and the controller is arranged on the frame body and used for controlling the operation of the winch.
In one possible implementation manner, the joint part of the belt conveyor and the air film chamber is provided with a wall-passing sealing plate, the wall-passing sealing plate is used for sealing a gap formed between the belt conveyor and the air film chamber, and the wall-passing sealing plate and the setting position of the combined sealing assembly are not interfered with each other.
In a possible implementation manner, a first sealing vertical plate and a second sealing vertical plate for sealing a gap between the belt conveyor and the air film chamber are arranged on two sides along the conveying direction of the belt conveyor, the first sealing vertical plate is arranged below the second sealing vertical plate, and the first sealing vertical plate or the second sealing vertical plate and the setting position of the high polymer wear-resistant plate are not interfered with each other.
In one possible implementation, the polymeric wear plate is removably connected to the side of the belt conveyor and the height of the connection is adjustable.
In one possible implementation, the combined seal assembly includes a dust curtain and a dry mist dust suppression device disposed at a junction of the belt conveyor and the air film chamber.
The seal pressure-reducing dust suppression device for the air film type storage yard conveyor provided by the utility model has the beneficial effects that: compared with the prior art, the seal pressure-reducing dust suppression device for the gas film type storage yard conveyor disclosed by the utility model comprises a combined sealing assembly, an electric flashboard, a parallel carrier roller group and a high-polymer wear-resisting plate, wherein the combined sealing assembly is arranged at the joint part of the belt conveyor and the gas film chamber and is used for sealing a gap formed between the belt conveyor and the gas film chamber; the electric flashboard is arranged above the guide chute outside the storage yard, can vertically lift and is provided with a first state for closing the feed inlet of the guide chute after descending, enabling the guide chute to form a closed state in the guide chute and a second state for opening the feed inlet of the guide chute after ascending and enabling the guide chute to form an open state, and the electric flashboard is used for enabling the guide chute to be switched between the first state and the second state; the parallel carrier roller group is arranged at the return belt guide groove and used for rolling and supporting the return belt in rolling and pushing conveying; the utility model has the advantages that the high polymer wear-resistant plates are arranged on two sides of the belt conveyor along the conveying direction of the belt conveyor and are used for preventing the belt from deviating in conveying, the technical problems of dust emission and material particle scattering caused by internal and external pressure difference of conveying materials of the belt conveyor in a material yard are solved, the static air leakage problem of the belt conveyor is solved by arranging the electric flashboard, the unstable belt running problem is solved by arranging the parallel carrier roller groups, the dynamic belt jumping is eliminated, and the high polymer wear-resistant plates are additionally arranged on two sides of the belt conveyor to eliminate the dynamic air leakage and powder leakage problems of the belt.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a three-dimensional structure of a seal pressure-reducing dust suppression device of an air film type storage yard conveyor provided by an embodiment of the utility model;
FIG. 2 is a schematic diagram of a front view structure of a seal pressure-reducing dust suppression device of an air film type storage yard conveyor provided by an embodiment of the utility model;
fig. 3 is a schematic diagram of a parallel carrier roller set of a seal pressure-reducing dust suppression device of an air film type storage yard conveyor provided by the embodiment of the utility model;
fig. 4 is a schematic diagram of a polymer wear-resistant plate structure of a seal pressure-reducing dust suppression device of an air film type storage yard conveyor provided by the embodiment of the utility model (the structure on the right side of the polymer wear-resistant plate in the figure represents a belt conveyor).
Reference numerals illustrate:
1. an electric flashboard; 11. a frame body; 12. a driver; 13. a flashboard; 2. parallel carrier roller groups; 21. an upper carrier roller; 211. a support leg; 212. a carrier roller; 22. a lower carrier roller; 3. a high molecular wear-resistant plate; 4. a guide groove; 5. a return belt seal box; 6. a belt bearing surface seal box; 7. wall-passing sealing plate; 8. a first sealing riser; 9. a second sealing riser; 10. a wall body.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 4, the sealing, decompressing and dust suppressing device of the air film type storage yard conveyor provided by the utility model will now be described. The sealing, pressure reducing and dust suppressing device of the air film type storage yard conveyor comprises a combined sealing assembly, an electric flashboard 1, a parallel carrier roller group 2 and a high polymer wear-resisting plate 3, wherein the combined sealing assembly is arranged at the joint part of the belt conveyor and the air film chamber and is used for sealing a gap formed between the belt conveyor and the air film chamber; the electric flashboard 1 is arranged above the guide chute 4 outside the storage yard, can vertically ascend and descend, and is provided with a first state for closing the feed inlet of the guide chute 4 after descending, enabling the inside of the guide chute 4 to form a closed state, and a second state for opening the feed inlet of the guide chute 4 and enabling the guide chute 4 to form an open state after ascending, wherein the electric flashboard 1 is used for enabling the guide chute 4 to be switched between the first state and the second state; the parallel carrier roller group 2 is arranged at the return belt guide groove 4 and is used for rolling and supporting a return belt in rolling and pushing conveying; the high polymer wear-resisting plates 3 are arranged on two sides of the belt conveyor along the conveying direction of the belt conveyor and used for preventing the belt from deviating in conveying.
Compared with the prior art, the air film type storage yard conveyor sealing decompression dust suppression device solves the technical problems that dust and material particles generated by internal and external pressure difference are scattered when materials are conveyed by a storage yard belt conveyor, specifically, the problem of static air leakage of the belt conveyor is solved by arranging the electric flashboard 1, the problem of unstable belt operation is solved by arranging the parallel carrier roller group 2, the problem of dynamic belt jumping is eliminated, and the problems of dynamic air leakage and powder leakage of the belt are eliminated by arranging the high molecular wear-resistant plates 3 on two sides of the belt conveyor.
The utility model is mainly suitable for sealing, decompressing and dust suppressing of the belt conveyor of the air film type storage yard, and the air film type storage yard is widely suitable for sealing the joint part of the national standard belt conveyor and the storage yard in production enterprises such as mines, metallurgy, electric power and the like.
The traditional solutions in the prior art are: the gas film type material yard belt conveyor is sealed with the gas film chamber by adopting a flat supporting plate below the belt, so that the contact area is increased, the pressure is reduced, and the abrasion is reduced. The air flow resistance is increased, and the sealing performance is better. The return belt linkage mechanism pushes the rolling bearing and the support by utilizing the lateral force of the belt deflection, and the sliding plate is fixed with the support.
The support slides in the guide way, no external force is required to be added by other people, and the plugging sliding plate synchronously moves along with the belt, so that the sealing effect is ensured. The force generated by deformation of the rubber plate is relied on the return belt to ensure that the rubber is tightly attached to the belt, thereby playing a role in sealing. The baffle plates are arranged on two sides and are contacted with the rubber plate, so that the side face is sealed.
The upper surface of the bearing belt is sealed by adopting a rubber plate and rubber strip combined sealing structure. The cyclone dust-filtering device is arranged outside the decompression bin to decompress the dust filtered by the decompression bin. The cyclone dust reducing and filtering device consists of a mechanical pre-dust removing, cyclone body, pressure releasing dust filtering structure and the like.
The combined dust suppression sealing curtain is characterized in that a material facing surface is arranged and combined on a valve type soft curtain by adopting a plurality of high-molecular wear-resistant plates 3, and the back surface is a film material formed by compounding a high-tensile-strength composite needled non-woven fabric and a polyethylene PE film, and has certain strength, toughness and no ventilation. The baffle support is arranged in the reverse guide chute 4 to prevent the soft curtain from drifting under the action of wind pressure. Stainless steel multilayer filter screen, clamp plate are fixed. The front and the back of the guide chute 4 adopt valve type curtains and composite membrane materials to form a combined baffle curtain.
The four natural sections are traditional sealing solutions in the prior art, and because of on-site dynamic working conditions, some uncertain factors exist, so that the combined mode has high maintenance cost and large maintenance quantity, and the problems of dust emission and material particle scattering still exist, so that the ideal effect is not achieved.
Through many improvements and experiments, the solution of the utility model is researched, and the technical effects are achieved. Wherein the angle formed by the structure or part of the electric flashboard 1 which mainly acts is consistent with the groove angle of the belt. The problems of dust and material particles scattering caused by internal and external pressure difference of materials conveyed by the material yard belt conveyor are solved, the problem of blocking of dynamic and static conveyed materials is solved, and especially the dynamic stability of a belt is more outstanding than the sealing effect of a belt static flashboard. Reliability, safety and stability of the rammed air film type storage yard. The device is widely applicable to air film type storage yards of production enterprises such as mines, metallurgy, electric power and the like, and the joint part of a national standard belt conveyor and the yards is airtight.
In this embodiment, the belt conveyer includes return belt seal box 5 and belt bearing surface seal box 6, all installs in baffle box 4 curb plate below through the bolt, and the homoenergetic is suitable for the space that forms between sealed belt conveyer and the air film room, and its other parts or the seal structure that the structure set up do not interfere and influence each other.
The polymer wear-resistant plate 3 is a movable unpowered wear-resistant plate, and the selected material or material is the material or material in the prior art.
In some embodiments, referring to fig. 1 to 4, the parallel idler sets 2 include two sets of upper and lower idlers 21 and 22 disposed in an up-down configuration, and the two sets of parallel idlers 2 are disposed in front of and behind the return belt guide groove 4, respectively, along the running direction of the belt. Two parallel carrier roller groups 2 are arranged in total, so that a belt close to the guide chute 4 does not dynamically jump, and the phenomenon of air leakage does not occur.
In some embodiments, referring to fig. 1-4, the upper idler 21 and the lower idler 22 each include a leg 211 and an idler 212 rotatably coupled to the leg 211, with the two sets of idlers 212 being disposed in parallel side-by-side relation. The gap between the two groups of carrier rollers 212 can just enable the belt to pass through, and the belt is in rolling friction contact with the carrier rollers 212, so that the phenomenon that the belt is unstable in operation can be prevented, the running stability of the belt can be improved, and the phenomenon that the belt dynamically jumps can be eliminated. The two sets of carrier rollers 212 have the same structure, the same specification, are arranged in an up-down mode and have opposite rotation directions.
In some embodiments, referring to fig. 1-4, the height of the legs 211 can be adjusted, and the center distance between the idlers 212 of the upper idler 21 and the idlers 212 of the lower idler 22 is adjusted by the legs 211. The support 211 is made of a product in the prior art, and can be adjusted in height, so that the height of the carrier rollers 212 or the distance between the two carrier rollers 212 can be adjusted, and the support is suitable for belts with different thicknesses.
In some embodiments, referring to fig. 1 to 4, the electric shutter 1 includes a frame 11 mounted above the belt conveyor, a driver 12 connected to the frame 11, and a shutter 13 connected to a power output end of the driver 12, where the driver 12 is configured to drive the shutter 13 to lift and lower, so as to switch the guide chute 4 between the first state and the second state. The frame 11 is a door shape, normal operation of the belt conveyor is not affected, the driver 12 is arranged at the middle position of the upper part of the frame 11, the flashboard 13 is positioned in the frame 11, and the lifting height is controlled by a winch, so that the sealing and opening of the feed inlet of the guide chute 4 can be completed, and the switching action between the two states is realized. When the guide chute 4 is required to be used, the guide chute is switched to the second state, and when the guide chute is not used, the guide chute is switched to the first state, so that the problem of static air leakage of the belt conveyor can be thoroughly solved. The included angle formed by the lower end of the flashboard 13 is consistent with the belt groove angle, so that the guide groove 4 can be completely sealed, and the effect is better and more outstanding.
In some embodiments, referring to fig. 1 to 4, the driver 12 includes a winch and a controller that are electrically connected to each other, a power output end of the winch is connected to the shutter 13 and drives the shutter 13 to lift, and the controller is disposed on the frame 11 and is used for controlling the operation of the winch. The driver 12 is a motor, the motor drives the hoist to rotate, a rope is wound on the hoist, one end of the rope is connected with the flashboard 13 and pulls the flashboard 13 to lift, and the controller is a product in the prior art, so that the control on the operation of the hoist can be realized, and the switching between two states is realized.
In some embodiments, referring to fig. 1 to 4, a wall-passing sealing plate 7 is disposed at a joint portion of the belt conveyor and the air film chamber, the wall-passing sealing plate 7 is used for sealing a gap formed between the belt conveyor and the air film chamber, and the wall-passing sealing plate 7 and the combined sealing assembly are disposed at positions that do not interfere with each other. The wall-passing sealing plate 7 is arranged on the wall-passing or wall body 10 to seal the gap, but the normal operation of the belt conveyor is not affected. The wall body 10 is arranged on a gas film type storage yard, and the belt conveyor penetrates through the wall body 10, so that a gap between the inner wall of the wall body 10 and the belt conveyor is blocked. The gap formed between the belt conveyor and the air film chamber is the gap between the inner wall of the wall body 10 and the belt conveyor.
In some embodiments, referring to fig. 1 to 4, a first sealing vertical plate 8 and a second sealing vertical plate 9 for sealing a gap between the belt conveyor and the air film chamber are disposed on two sides along the conveying direction of the belt conveyor, the first sealing vertical plate 8 is disposed below the second sealing vertical plate 9, or the first sealing vertical plate 8 or the second sealing vertical plate 9 and the macromolecule wear plate 3 may be disposed in contact or abutting connection with each other, and the disposed positions of the first sealing vertical plate and the second sealing vertical plate and the macromolecule wear plate 3 do not interfere with each other. The first sealing vertical plate 8 and the second sealing vertical plate 9 are arranged on one side of the through-wall sealing plate 7, which is close to the storage yard, and are in a vertical plate shape, so that the sealing effect is achieved. The two vertical plates are arranged up and down.
In some embodiments, referring to fig. 1 to 4, the polymeric wear plate 3 is detachably connected to the side of the belt conveyor and the height of the connection can be adjusted. The macromolecule wear-resisting plate 3 is fixedly connected with the belt conveyor through bolts or screws, and the height or position of the macromolecule wear-resisting plate is adjustable.
In some embodiments, referring to fig. 1-4, a composite seal assembly (not shown) includes a dust curtain and a dry mist dust suppression device disposed at the interface of the belt conveyor and the air film chamber. The arrangement, position, structure, etc. of the combined sealing mode can be referred to in the prior art or the conventional combined sealing mode, and will not be described herein. The utility model is based on the existing combined sealing mode, and the electric flashboard 1, the parallel carrier roller group 2 and the macromolecule wear-resistant plate 3 are added, so that the technical effects are realized, and the technical problems mentioned in the prior art can be solved and good technical effects are obtained through the combination or the combined use of a plurality of sealing modes.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. Sealing, decompressing and dust suppressing device for gas film type storage yard conveyor, which is characterized by comprising:
the combined sealing assembly is arranged at the joint part of the belt conveyor and the air film chamber and is used for sealing a gap formed between the belt conveyor and the air film chamber;
the electric flashboard is arranged above the guide chute outside the storage yard, can vertically ascend and descend, and is provided with a first state for closing the feed inlet of the guide chute after descending, enabling the guide chute to form a closed state in the guide chute, and a second state for opening the feed inlet of the guide chute after ascending and enabling the guide chute to form an open state, and the electric flashboard is used for enabling the guide chute to be switched between the first state and the second state;
the parallel carrier roller group is arranged at the return belt guide groove and used for rolling and supporting the return belt in rolling and pushing conveying;
the high polymer wear-resisting plates are arranged on two sides of the belt conveyor along the conveying direction of the belt conveyor and used for preventing the belt from deviating in conveying.
2. The air film type storage yard conveyor seal pressure reducing dust suppression device according to claim 1, wherein the parallel carrier roller sets comprise two sets of upper carrier rollers and lower carrier rollers which are arranged in an up-down mode, and the two sets of parallel carrier roller sets are respectively arranged in front of and behind a return belt guide groove along the running direction of the belt.
3. The sealed decompression dust suppression device of the air film type storage yard conveyor machine according to claim 2, wherein the upper carrier roller and the lower carrier roller comprise supporting legs and carrier rollers rotatably connected to the supporting legs, and the two groups of carrier rollers are arranged in parallel.
4. A gas film storage yard conveyor seal pressure reducing dust suppression device as in claim 3 wherein said leg height is adjustable and the center distance between said upper idler and said lower idler is adjusted by means of said leg.
5. The air film type storage yard conveyor seal pressure reducing and dust suppressing device according to claim 1, wherein the electric flashboard comprises a frame body arranged above the belt conveyor, a driver connected to the frame body and a flashboard connected to a power output end of the driver, and the driver is used for driving the flashboard to lift so as to switch the guide chute between a first state and a second state.
6. The air film type storage yard conveyor seal pressure reducing and dust suppressing device according to claim 5, wherein the driver comprises a winch and a controller which are electrically connected with each other, a power output end of the winch is connected with the flashboard and drives the flashboard to lift, and the controller is arranged on the frame and used for controlling the operation of the winch.
7. The air film type storage yard conveyor seal pressure reducing dust suppression device according to claim 1, wherein a wall-passing sealing plate is arranged at the joint of the belt conveyor and the air film chamber and is used for sealing a gap formed between the belt conveyor and the air film chamber, and the wall-passing sealing plate and the setting position of the combined sealing assembly are not interfered with each other.
8. The seal pressure-reducing dust suppression device for the gas film type storage yard conveyor machine according to claim 1, wherein a first sealing vertical plate and a second sealing vertical plate for sealing a gap between the belt conveyor machine and the gas film chamber are arranged on two sides of the conveying direction of the belt conveyor machine, the first sealing vertical plate is arranged below the second sealing vertical plate, and the arrangement positions of the first sealing vertical plate or the second sealing vertical plate and the macromolecule wear-resisting plate are not interfered with each other.
9. The air film type storage yard conveyor seal pressure reducing and dust suppressing device as in claim 1, wherein the high molecular wear plate is detachably connected with the side of the belt conveyor and the height of the connection can be adjusted.
10. The air film type storage yard conveyor seal pressure reducing and dust suppressing device as in claim 1, wherein the combined seal assembly comprises a dust curtain and dry fog dust suppressing equipment arranged at the joint of the belt conveyor and the air film chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320831880.1U CN219929053U (en) | 2023-04-14 | 2023-04-14 | Sealing, pressure-reducing and dust-suppressing device for gas film type storage yard conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320831880.1U CN219929053U (en) | 2023-04-14 | 2023-04-14 | Sealing, pressure-reducing and dust-suppressing device for gas film type storage yard conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219929053U true CN219929053U (en) | 2023-10-31 |
Family
ID=88500830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320831880.1U Active CN219929053U (en) | 2023-04-14 | 2023-04-14 | Sealing, pressure-reducing and dust-suppressing device for gas film type storage yard conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219929053U (en) |
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2023
- 2023-04-14 CN CN202320831880.1U patent/CN219929053U/en active Active
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