CN220077956U - Dock receiving hopper with multistage dust suppression device - Google Patents
Dock receiving hopper with multistage dust suppression device Download PDFInfo
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- CN220077956U CN220077956U CN202321170649.9U CN202321170649U CN220077956U CN 220077956 U CN220077956 U CN 220077956U CN 202321170649 U CN202321170649 U CN 202321170649U CN 220077956 U CN220077956 U CN 220077956U
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- dust suppression
- dust
- suppression plate
- hopper
- receiving hopper
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- 239000000428 dust Substances 0.000 title claims abstract description 253
- 230000001629 suppression Effects 0.000 title claims abstract description 166
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 6
- 230000036541 health Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 3
- 239000013590 bulk material Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Abstract
The utility model discloses a wharf receiving hopper with a multi-stage dust suppression device, which relates to the technical field of dust suppression hoppers and comprises the following components: the lower end of the funnel support is provided with casters at four corners, the middle part of the funnel support is fixedly connected with a funnel lower support frame, and the upper end of the funnel support is fixedly connected with a funnel upper support frame; the receiving hopper is fixedly connected inside the hopper bracket; the first-stage dust suppression device comprises a first-stage lower dust suppression plate and a first-stage upper dust suppression plate, and the first-stage lower dust suppression plate and the first-stage upper dust suppression plate are fixedly connected to the upper end of the inner peripheral surface of the receiving hopper; the secondary dust suppression device comprises a secondary lower dust suppression plate and a secondary upper dust suppression plate, and the secondary lower dust suppression plate and the secondary upper dust suppression plate are fixedly connected to the upper end of the inner peripheral surface of the receiving hopper. The utility model has the advantages that: by adopting the two-stage dust suppression device, the dust of the bucket body can be effectively suppressed from diffusing outwards, the operation environment is protected, and the harm of dust to human health is avoided.
Description
Technical Field
The utility model relates to the technical field of dust suppression hoppers, in particular to a wharf receiving hopper with a multi-stage dust suppression device.
Background
Wharfs are typically operated in open and outdoor environments. Referring to fig. 4, when the door machine grabs the bulk material to the upper side of the bulk material hopper and opens the grab, the material falls freely into the hopper under the influence of gravity. Along with the massive whereabouts of material, the material can carry a large amount of air to get into the funnel, causes the circumstances that exists great malleation environment in the funnel to form the air current opposite with blanking direction. The air flow generates a certain thrust upwards on the material particles, the influence on the material with larger particles or larger density is small, but particles with smaller mass and particles with smaller density are carried by the air flow to diffuse outwards along the inner wall of the bulk hopper, so that a large amount of dust is generated, and the surrounding air environment is polluted.
The existing bulk cargo dust suppression funnel structure is easy to be influenced by wharf wind power in use, and when the size of the cargo dust is too large, the dust is difficult to effectively suppress, so that the environments of a field area and surrounding sea areas are influenced, and great potential safety hazards are brought to equipment facilities and an electrical control system in a storage yard.
Disclosure of Invention
In order to solve the technical problem, the technical scheme provides a wharf receiving hopper with a multistage dust suppression device, solves the problems that the existing bulk cargo dust suppression hopper structure is easy to be influenced by wharf wind power in use, and is difficult to effectively suppress dust when the size of the dust of cargoes is overlarge, so that the environment of a field area and surrounding sea areas is influenced, and great potential safety hazards are brought to equipment facilities and an electrical control system in a storage yard.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a dockside hopper with a multi-stage dust suppression device, comprising:
the lower end of the funnel support is provided with casters at four corners, the middle part of the funnel support is fixedly connected with a funnel lower support frame, and the upper end of the funnel support is fixedly connected with a funnel upper support frame;
the material receiving hopper is fixedly connected inside the hopper bracket, the hopper upper support frame is fixedly connected with the upper end of the outer peripheral surface of the material receiving hopper, the hopper lower support frame is fixedly connected with the lower end of the outer peripheral surface of the material receiving hopper, and the material receiving hopper comprises a conical material receiving part and a discharging part fixedly connected to the lower end of the material receiving part;
the first-stage dust suppression device comprises a first-stage lower dust suppression plate and a first-stage upper dust suppression plate, the first-stage lower dust suppression plate and the first-stage upper dust suppression plate are fixedly connected to the upper end of the inner peripheral surface of the receiving hopper, and the first-stage upper dust suppression plate is positioned at the upper end of the first-stage lower dust suppression plate;
the secondary dust suppression device comprises a secondary lower dust suppression plate and a secondary upper dust suppression plate, wherein the secondary lower dust suppression plate and the secondary upper dust suppression plate are fixedly connected to the upper end of the inner peripheral surface of the receiving hopper, the secondary upper dust suppression plate is positioned at the upper end of the secondary lower dust suppression plate, the included angle between the primary upper dust suppression plate and the inner surface of the hopper is larger than that between the secondary upper dust suppression plate and the inner surface of the hopper, and the included angle between the primary lower dust suppression plate and the inner surface of the hopper is larger than that between the secondary lower dust suppression plate and the inner surface of the hopper.
Preferably, the included angle between the first-stage lower dust suppression plate and the inner surface of the funnel is 56 degrees;
the included angle between the first-stage upper dust suppression plate and the inner surface of the funnel is 40 degrees;
the included angle between the secondary lower dust suppression plate and the inner surface of the funnel is 45.68 degrees;
the included angle between the secondary upper dust suppression plate and the inner surface of the funnel is 29.68 degrees.
Preferably, a first-stage dust suppression fan is arranged between the first-stage lower dust suppression plate and the first-stage upper dust suppression plate, and a second-stage dust suppression fan is arranged between the second-stage lower dust suppression plate and the second-stage upper dust suppression plate.
Preferably, the receiving hopper is of a hollow structure, a dust suppression cavity is formed in the receiving hopper, a plurality of dust collection negative pressure fans are fixedly mounted on the peripheral surface of the receiving hopper, and the dust collection negative pressure fans are communicated with the dust suppression cavity.
Preferably, the first-stage dust collecting port is formed in the lower side of the first-stage lower dust suppression plate, the second-stage dust collecting port is formed in the lower side of the second-stage lower dust suppression plate, and the first-stage dust collecting port and the second-stage dust collecting port are both communicated with the dust suppression cavity.
Preferably, the air outlet end of the dust collection negative pressure fan is connected with a dust collection bag, and a filter plate is arranged at the connection position of the dust collection negative pressure fan and the receiving hopper.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a novel wharf receiving hopper of a multi-stage dust suppression device, which adopts a two-stage dust suppression device, and forms a barrier around the inner wall of the hopper by arranging inclined baffles, so as to block dust caused by upward and outward thrust generated by air extrusion, thereby reducing dust pollution of a discharging point;
through setting up one-level dust suppression fan and second-level dust suppression fan, when the inside raise dust of funnel is too big, adopt one-level dust suppression fan and second-level dust suppression fan to apply the air current of inwards below to the dust, blow the raise dust to the middle part, flow into discharge part under the drive of a large amount of air currents in the middle part, flow into the discharge gate, prevent upward, outside raise dust to float out of the funnel, cause the raise dust pollution of discharge point;
through setting up one-level dust collection mouth and second grade dust collection mouth cooperation dust suppression chamber, during the use, apply negative pressure air current to pressing down in the dirt chamber through album dirt negative pressure fan is continuous, keep pressing down the negative pressure state in dirt chamber, when upwards, outside raise dust removes to one-level dust collection mouth and second grade dust collection mouth position, get into from one-level dust collection mouth and second grade dust collection mouth and press down the dirt chamber, and then effectually play the effect of restraining the outside diffusion of bucket body raise dust, protected the operation environment, avoid the dust harm health.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the dust suppression airflow direction of the present utility model;
fig. 4 is a schematic diagram of hopper dust emission.
The reference numerals in the figures are:
1. a funnel support; 101. casters; 102. a lower support frame of the funnel; 103. a support frame on the funnel; 2. a receiving hopper; 201. a receiving part; 202. a discharging part; 3. a first-stage dust suppression device; 301. a first-stage lower dust suppression plate; 302. a first-stage upper dust suppression plate; 303. a first-stage dust suppression fan; 304. a first-stage dust collecting port; 4. a secondary dust suppression device; 401. a secondary lower dust suppression plate; 402. a second-stage upper dust suppression plate; 403. a secondary dust suppression fan; 404. a secondary dust collecting port; 5. a dust collection negative pressure fan; 6. a dust suppression cavity; 7. a dust collecting bag; 8. a filter plate.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-3, a dockside hopper with a multi-stage dust suppression device, comprising:
the funnel comprises a funnel support 1, wherein four corners of the lower end of the funnel support 1 are provided with casters 101, the middle part of the funnel support 1 is fixedly connected with a funnel lower support frame 102, and the upper end of the funnel support 1 is fixedly connected with a funnel upper support frame 103;
the receiving hopper 2, the receiving hopper 2 is fixedly connected inside the hopper bracket 1, the hopper upper support frame 103 is fixedly connected with the upper end of the peripheral surface of the receiving hopper 2, the hopper lower support frame 102 is fixedly connected with the lower end of the peripheral surface of the receiving hopper 2, and the receiving hopper 2 comprises a conical receiving part 201 and a discharging part 202 fixedly connected with the lower end of the receiving part 201;
the first-stage dust suppression device 3 comprises a first-stage lower dust suppression plate 301 and a first-stage upper dust suppression plate 302, wherein the first-stage lower dust suppression plate 301 and the first-stage upper dust suppression plate 302 are fixedly connected to the upper end of the inner peripheral surface of the receiving hopper 2, and the first-stage upper dust suppression plate 302 is positioned at the upper end of the first-stage lower dust suppression plate 301;
the secondary dust suppression device 4, the secondary dust suppression device 4 comprises a secondary lower dust suppression plate 401 and a secondary upper dust suppression plate 402, the secondary lower dust suppression plate 401 and the secondary upper dust suppression plate 402 are fixedly connected to the upper end of the inner peripheral surface of the receiving hopper 2, the secondary upper dust suppression plate 402 is positioned at the upper end of the secondary lower dust suppression plate 401, the included angle between the primary upper dust suppression plate 302 and the inner surface of the hopper is larger than the included angle between the secondary upper dust suppression plate 402 and the inner surface of the hopper, and the included angle between the primary lower dust suppression plate 301 and the inner surface of the hopper is larger than the included angle between the secondary lower dust suppression plate 401 and the inner surface of the hopper.
The included angle between the first-stage lower dust suppression plate 301 and the inner surface of the funnel is 56 degrees;
the included angle between the first-stage upper dust suppression plate 302 and the inner surface of the funnel is 40 degrees;
the included angle between the secondary lower dust suppression plate 401 and the inner surface of the funnel is 45.68 degrees;
the secondary dust suppression plate 402 is at an angle of 29.68 ° to the inner surface of the funnel.
By adopting the two-stage dust suppression device, through setting the inclined one-stage lower dust suppression plate 301, the inclined one-stage upper dust suppression plate 302, the inclined two-stage lower dust suppression plate 401 and the inclined two-stage upper dust suppression plate 402, the periphery of the inner wall of the hopper is blocked, and raised dust caused by upward and outward thrust generated by air extrusion is blocked.
A primary dust suppression fan 303 is arranged between the primary lower dust suppression plate 301 and the primary upper dust suppression plate 302, and a secondary dust suppression fan 403 is arranged between the secondary lower dust suppression plate 401 and the secondary upper dust suppression plate 402;
through setting up one-level dust suppression fan 303 and second grade dust suppression fan 403, when the inside raise dust of funnel is too big, adopt one-level dust suppression fan 303 and second grade dust suppression fan 403 to apply the air current of inwards below to the dust, blow the raise dust to the middle part, flow in discharge part 201 under the drive of a large amount of air current in middle part.
The material receiving funnel 2 is of a hollow structure, a dust suppression cavity 6 is formed inside the material receiving funnel 2, a plurality of dust collection negative pressure fans 5 are fixedly mounted on the outer peripheral surface of the material receiving funnel 2, the dust collection negative pressure fans 5 are communicated with the dust suppression cavity 6, a primary dust collecting port 304 is formed in the lower side of a primary dust suppression plate 301 of the material receiving funnel 2, a secondary dust collecting port 404 is formed in the lower side of a secondary dust suppression plate 401 of the material receiving funnel 2, and the primary dust collecting port 304 and the secondary dust collecting port 404 are both communicated with the dust suppression cavity 6.
Through setting the first-stage dust collecting port 304 and the second-stage dust collecting port 404 to cooperate with the dust suppression cavity 6, when in use, negative pressure air flow is continuously applied to the dust suppression cavity through the dust collection negative pressure fan 5, the negative pressure state of the dust suppression cavity 6 is maintained, and when upward and outward raised dust moves to the positions of the first-stage dust collecting port 304 and the second-stage dust collecting port 404, the raised dust enters the dust suppression cavity from the first-stage dust collecting port 304 and the second-stage dust collecting port 404;
the air outlet end of the dust collection negative pressure fan 5 is connected with a dust collection bag 7, and a filter plate 8 is arranged at the connection position of the dust collection negative pressure fan 5 and the receiving hopper 2.
Through setting up integrated bag 7 to follow collection dirt negative pressure fan 5 air-out end's dust and blow into collection dirt bag 7 in, prevent that the dust from collecting dirt negative pressure fan 5 air-out end from getting into external environment, set up filter plate 8 simultaneously and block the filtration to the great dust particle of granule.
The application process of the utility model is as follows: firstly, the dust collection negative pressure fan 5 is started, negative pressure air flow is continuously applied to the dust suppression cavity through the dust collection negative pressure fan 5, the negative pressure state of the dust suppression cavity 6 is maintained, then, during receiving, the first-stage dust suppression fan 303 and the second-stage dust suppression fan 403 are started, raised dust generated during receiving and caused by upward and outward thrust generated by air extrusion is blown to the middle part, the raised dust flows into the discharging part under the driving of a large amount of air flow in the middle part, when the raised dust moves to the positions of the first-stage dust collecting port 304 and the second-stage dust collecting port 404, the raised dust enters the dust suppression cavity from the first-stage dust collecting port 304 and the second-stage dust collecting port 404, small-particle dust is blown into the dust collection bag 7 from the air outlet end of the dust collection negative pressure fan 5, and large-particle dust falls into the material box from the receiving part 201.
In summary, the utility model has the advantages that: by adopting the two-stage dust suppression device, the dust of the bucket body can be effectively suppressed from diffusing outwards, the operation environment is protected, and the harm of dust to human health is avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A dockside hopper with a multi-stage dust suppression device, comprising:
the automatic feeding device comprises a funnel support (1), wherein four corners of the lower end of the funnel support (1) are provided with casters (101), the middle part of the funnel support (1) is fixedly connected with a funnel lower support frame (102), and the upper end of the funnel support (1) is fixedly connected with a funnel upper support frame (103);
the material receiving hopper (2), the material receiving hopper (2) is fixedly connected inside the hopper bracket (1), the hopper upper support frame (103) is fixedly connected with the upper end of the outer peripheral surface of the material receiving hopper (2), the hopper lower support frame (102) is fixedly connected with the lower end of the outer peripheral surface of the material receiving hopper (2), and the material receiving hopper (2) comprises a conical material receiving part (201) and a discharging part (202) fixedly connected with the lower end of the material receiving part (201);
the primary dust suppression device (3), the primary dust suppression device (3) comprises a primary lower dust suppression plate (301) and a primary upper dust suppression plate (302), the primary lower dust suppression plate (301) and the primary upper dust suppression plate (302) are fixedly connected to the upper end of the inner peripheral surface of the receiving hopper (2), and the primary upper dust suppression plate (302) is positioned at the upper end of the primary lower dust suppression plate (301);
the secondary dust suppression device (4), the secondary dust suppression device (4) comprises a secondary lower dust suppression plate (401) and a secondary upper dust suppression plate (402), the secondary lower dust suppression plate (401) and the secondary upper dust suppression plate (402) are fixedly connected to the upper end of the inner peripheral surface of the receiving hopper (2), the secondary upper dust suppression plate (402) is located at the upper end of the secondary lower dust suppression plate (401), the included angle between the primary upper dust suppression plate (302) and the inner surface of the hopper is larger than the included angle between the secondary upper dust suppression plate (402) and the inner surface of the hopper, and the included angle between the primary lower dust suppression plate (301) and the inner surface of the hopper is larger than the included angle between the secondary lower dust suppression plate (401) and the inner surface of the hopper.
2. A dockside hopper with a multi-stage dust suppression arrangement according to claim 1, characterized in that the angle of the one-stage lower dust suppression plate (301) to the inner surface of the hopper is 56 °;
the included angle between the primary upper dust suppression plate (302) and the inner surface of the funnel is 40 degrees;
the included angle between the secondary lower dust suppression plate (401) and the inner surface of the funnel is 45.68 degrees;
the included angle between the secondary upper dust suppression plate (402) and the inner surface of the funnel is 29.68 degrees.
3. A dock receiving hopper with a multi-stage dust suppression device according to claim 2, characterized in that a primary dust suppression fan (303) is mounted between the primary lower dust suppression plate (301) and the primary upper dust suppression plate (302), and a secondary dust suppression fan (403) is mounted between the secondary lower dust suppression plate (401) and the secondary upper dust suppression plate (402).
4. A dock receiving hopper with a multi-stage dust suppression device according to claim 3, characterized in that the receiving hopper (2) is of a hollow structure, a dust suppression cavity (6) is formed inside the receiving hopper (2), a plurality of dust collection negative pressure fans (5) are fixedly mounted on the peripheral surface of the receiving hopper (2), and the dust collection negative pressure fans (5) are communicated with the dust suppression cavity (6).
5. The wharf receiving hopper with the multi-stage dust suppression device according to claim 4, wherein the receiving hopper (2) is provided with a primary dust collecting port (304) at the lower side of a primary lower dust suppression plate (301), the receiving hopper (2) is provided with a secondary dust collecting port (404) at the lower side of a secondary lower dust suppression plate (401), and the primary dust collecting port (304) and the secondary dust collecting port (404) are both communicated with the dust suppression cavity (6).
6. The wharf receiving hopper with the multi-stage dust suppression device according to claim 5, wherein a dust collecting bag (7) is connected to the air outlet end of the dust collecting negative pressure fan (5), and a filter plate (8) is arranged at the connection position of the dust collecting negative pressure fan (5) and the receiving hopper (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321170649.9U CN220077956U (en) | 2023-05-16 | 2023-05-16 | Dock receiving hopper with multistage dust suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321170649.9U CN220077956U (en) | 2023-05-16 | 2023-05-16 | Dock receiving hopper with multistage dust suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220077956U true CN220077956U (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321170649.9U Active CN220077956U (en) | 2023-05-16 | 2023-05-16 | Dock receiving hopper with multistage dust suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220077956U (en) |
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2023
- 2023-05-16 CN CN202321170649.9U patent/CN220077956U/en active Active
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