CN204265038U - A kind of unpowered material blanking tube dust keeper - Google Patents
A kind of unpowered material blanking tube dust keeper Download PDFInfo
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- CN204265038U CN204265038U CN201420724953.8U CN201420724953U CN204265038U CN 204265038 U CN204265038 U CN 204265038U CN 201420724953 U CN201420724953 U CN 201420724953U CN 204265038 U CN204265038 U CN 204265038U
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- blanking tube
- material blanking
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- varying cross
- section duct
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Abstract
A kind of unpowered material blanking tube dust keeper, comprises material blanking tube (1); The varying cross-section duct (3) that upper end is communicated with the discharging opening of described material blanking tube (1); The flapper (4) be connected with the lower end of described varying cross-section duct (3); At least one upper end is communicated with described material blanking tube (1), the airduct (2) that lower end is communicated with described varying cross-section duct (3); The section width of described varying cross-section duct (3) is greater than the section width of material blanking tube (1), and the discharging opening of described material blanking tube (1) stretches into below the top of varying cross-section duct (3).Dust emission obtains suppression, and reach dedusting object, non-power consumption, operation cost is lower.
Description
Technical field
The utility model relates to the dust keeper of material transfer process, especially relates to a kind of dust keeper of bulk material transport process material blanking tube.
Background technology
Bulk material (as coal, coke, ore, grain) etc. in storage and transport process all to, through transhipment, be transported to another kind (individual) equipment from a kind of (individual) equipment (as belt feeder), common as the transfer point of transfer point; Because bulk material can produce appreciiable dust in the middle of the process shifting and collide, pollution is brought to on-the-spot and ambient air; Along with the raising of environmental demands, to air-borne dust pollute this block prevention, administer more seem important.
CN103754553A discloses a kind of bulk cargo transfer point material blanking tube dust-arrest device on April 30th, 2014, specifically disclose bulk cargo transfer point material blanking tube dust-arrest device, comprise frame, bulk cargo material blanking tube, frame is provided with dust shield, energy dissipating disconnector, dust absorption fan, wherein dust shield is communicated with by the dust inlet of sweep-up pipe with energy dissipating disconnector, the entrance of dust absorption fan is communicated with the air outlet of energy dissipating disconnector, backwind tube is connected with in dust absorption fan outlet, dust shield cover mouth correspondence is arranged on above a dirt pits of bulk cargo material blanking tube bottom side, the outlet of dust absorption fan is communicated with by the middle part of backwind tube with bulk cargo material blanking tube.Bulk cargo is in the process of whereabouts, transfer point material blanking tube inside, be mingled with partial air and carry it and accelerate, when bulk cargo is mingled with when air drops to bottom material blanking tube, bulk cargo has formed dirt pits owing to piling up shear action, and the air forcing it to be mingled with carries the fine particle space high speed diffusion towards periphery in bulk cargo.Under the effect of dust absorption fan, be arranged in the dust shield risen above dirt pits bottom material blanking tube and dusty gas is aspirated fast enter sweep-up pipe, and send into energy dissipating disconnector and carry out kinetic energy energy dissipating and travel fatigue is separated to playing dirt.This dust-arrest device structure is more complicated, operationally needs consumption of power, and the space taken is also larger.
Utility model content
In order to overcome the defect of prior art, the technical matters that the utility model solves is: provide a kind of unpowered material blanking tube dust collector, and it has the advantages that high-efficient power-free consumes.
In order to solve the problems of the technologies described above, the utility model provides a kind of unpowered material blanking tube dust keeper, and it comprises material blanking tube; The varying cross-section duct that upper end is communicated with the discharging opening of described material blanking tube; The flapper be connected with the lower end of described varying cross-section duct; At least one upper end is communicated with described material blanking tube, the airduct that lower end is communicated with described varying cross-section duct; The section width of described varying cross-section duct is greater than the section width of material blanking tube, and the discharging opening of described material blanking tube stretches into below the top of varying cross-section duct.
As further improvement opportunity scheme, the unpowered material blanking tube dust keeper that the utility model provides, the downward-sloping and described material blanking tube of the upper port of described airduct is communicated with; The lower port of airduct is communicated with the top of described varying cross-section duct, and the lower port seat of airduct is higher than the discharging opening position of material blanking tube.
Preferably, the unpowered material blanking tube dust keeper that the utility model provides, the cross section of described varying cross-section duct is triangle.
Preferably, the unpowered material blanking tube dust keeper that the utility model provides, the cross section of described varying cross-section duct is trapezoidal.
Preferably, the unpowered material blanking tube dust keeper that the utility model provides, the cross section of described varying cross-section duct is inverted trapezoidal.
When not conflicting, above-mentioned improvement or preferred version can be implemented alone or in combination.
In the utility model, the cross-sectional sizes of described varying cross-section duct produces relative to the cross-sectional sizes of material blanking tube and changes, and the sectional area of varying cross-section duct is generally greater than the sectional area of material blanking tube; And the cross-sectional sizes of varying cross-section duct itself can change, also can not change.
The technical scheme that the utility model provides, material falls from material blanking tube the both sides that the induced air brought into touches the backward varying cross-section duct in the end and scatters, run along sidewall afterwards, when arriving varying cross-section duct top, due to the iris action of material blanking tube elongated portion, most induced air will enter the airduct on sidewall, and can not be exported by material blanking tube.Air formation negative pressure region is taken away because material flows downward in material blanking tube, varying cross-section duct region then forms barotropic field, and the positive and negative pressure at airduct two ends adds that the iris action of material blanking tube elongated portion makes induced air form a reflux cycle between airduct, material blanking tube, varying cross-section duct.The replenish air source of the negative pressure region in material blanking tube is except outside induced air, also add backflow wind, the backflow wind other end is in barotropic field, and its pressure is obviously greater than the pressure of outside induced air, thus the air quantity making outside induced air enter material blanking tube greatly reduces, the minimizing of outside induced air inlet, can form the anti-air quantity emitted and decrease, dust emission has diminished naturally, airborne dust obtains suppression, reach dedusting object, and non-power consumption, operation cost is lower.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the main TV structure schematic diagram of embodiment 1 material blanking tube dust keeper;
Fig. 2 is the left TV structure schematic diagram of Fig. 1 material blanking tube dust keeper;
Fig. 3 is the main TV structure schematic diagram of embodiment 2 material blanking tube dust keeper;
Fig. 4 is the main TV structure schematic diagram of embodiment 3 material blanking tube dust keeper.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Embodiment 1: unpowered material blanking tube dust keeper as depicted in figs. 1 and 2, comprise material blanking tube 1, the varying cross-section duct 3 that upper end is communicated with the discharging opening of described material blanking tube 1, the flapper 4 be connected with the lower end of described varying cross-section duct 3, two upper port are downward-sloping to be communicated with material blanking tube 1, the airduct 2 that lower port is communicated with the top of varying cross-section duct 3, flapper 4 is positioned at the top of belt conveyer 5, the cross section of varying cross-section duct 3 is triangle, its width is greater than the section width of material blanking tube 1, and the discharging opening of material blanking tube 1 stretches into below the top of varying cross-section duct 3; The lower port seat of airduct 2 is higher than the discharging opening position of material blanking tube 1.
Embodiment 2: unpowered material blanking tube dust keeper as shown in Figure 3, on the basis of embodiment 1, the cross section of varying cross-section duct 3 is replaced by trapezoidal.
Embodiment 3: unpowered material blanking tube dust keeper as shown in Figure 4, on the basis of embodiment 1, the cross section of varying cross-section duct 3 is replaced by inverted trapezoidal.
In operation process, material falls from material blanking tube 1 both sides that the induced air brought into touches the backward varying cross-section duct 3 in the end and scatters, run along sidewall afterwards, when arriving varying cross-section duct 3 top, due to the iris action of material blanking tube 1 elongated portion, most induced air will enter the airduct 2 on sidewall, and can not be exported by material blanking tube 1.Air formation negative pressure region is taken away because material flows downward in material blanking tube 1, varying cross-section duct 3 region then forms barotropic field, and the positive and negative pressure at airduct 2 two ends adds that the iris action of material blanking tube 1 elongated portion makes induced air between airduct 2, material blanking tube 1, varying cross-section duct 3, form the circulation of a backflow wind.The replenish air source of the negative pressure region in material blanking tube 1 is except outside induced air, also add backflow wind, the backflow wind other end is in barotropic field, its pressure is obviously greater than the pressure of outside induced air, thus the air quantity making outside induced air enter material blanking tube 1 greatly reduces, the minimizing of outside induced air inlet, can form the anti-air quantity emitted and decrease, dust emission has diminished naturally, and airborne dust obtains suppression.
In other embodiments, unpowered material blanking tube dust keeper, on the basis of embodiment 1, the cross section of varying cross-section duct 3 is replaced by rectangle.Also can solve identical technical matters, and there is identical technique effect.
Obviously, the utility model is not limited to above preferred implementation, in the spirit that also can limit in the utility model claim and specification sheets, carry out conversion and the improvement of various ways, can same technical matters be solved, and obtain the technique effect of expection, therefore not repeat.Those of ordinary skill in the art can from content disclosed in the utility model directly or all schemes associated, as long as within the spirit limited in claim, also belong to protection domain of the present utility model.
Claims (5)
1. a unpowered material blanking tube dust keeper, is characterized in that: comprise material blanking tube (1); The varying cross-section duct (3) that upper end is communicated with the discharging opening of described material blanking tube (1); The flapper (4) be connected with the lower end of described varying cross-section duct (3); At least one upper end is communicated with described material blanking tube (1), the airduct (2) that lower end is communicated with described varying cross-section duct (3); The section width of described varying cross-section duct (3) is greater than the section width of material blanking tube (1), and the discharging opening of described material blanking tube (1) stretches into below the top of varying cross-section duct (3).
2. unpowered material blanking tube dust keeper according to claim 1, is characterized in that: the downward-sloping and described material blanking tube (1) of the upper port of described airduct (2) is communicated with; The lower port of airduct (2) is communicated with the top of described varying cross-section duct (3), and the lower port seat of airduct (2) is higher than the discharging opening position of material blanking tube (1).
3. unpowered material blanking tube dust keeper according to claim 1 and 2, is characterized in that: the cross section of described varying cross-section duct (3) is triangle.
4. unpowered material blanking tube dust keeper according to claim 1 and 2, is characterized in that: the cross section of described varying cross-section duct (3) is trapezoidal.
5. unpowered material blanking tube dust keeper according to claim 1 and 2, is characterized in that: the cross section of described varying cross-section duct (3) is inverted trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420724953.8U CN204265038U (en) | 2014-11-28 | 2014-11-28 | A kind of unpowered material blanking tube dust keeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420724953.8U CN204265038U (en) | 2014-11-28 | 2014-11-28 | A kind of unpowered material blanking tube dust keeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204265038U true CN204265038U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420724953.8U Active CN204265038U (en) | 2014-11-28 | 2014-11-28 | A kind of unpowered material blanking tube dust keeper |
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| Country | Link |
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| CN (1) | CN204265038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804721A (en) * | 2017-11-24 | 2018-03-16 | 江西省保升装卸设备有限公司 | One kind carries dust-proof shed formula car unloader |
| CN115627316A (en) * | 2022-09-30 | 2023-01-20 | 山东钢铁股份有限公司 | Charging and collecting dust-proofing device and method |
-
2014
- 2014-11-28 CN CN201420724953.8U patent/CN204265038U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804721A (en) * | 2017-11-24 | 2018-03-16 | 江西省保升装卸设备有限公司 | One kind carries dust-proof shed formula car unloader |
| CN107804721B (en) * | 2017-11-24 | 2023-11-21 | 江西省保升装卸设备有限公司 | From taking dustproof canopy formula unloader |
| CN115627316A (en) * | 2022-09-30 | 2023-01-20 | 山东钢铁股份有限公司 | Charging and collecting dust-proofing device and method |
| CN115627316B (en) * | 2022-09-30 | 2024-01-02 | 山东钢铁股份有限公司 | Dust-proof device and method for feeding and summarizing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Unpowered dustproof device for discharging pipe Effective date of registration: 20180503 Granted publication date: 20150415 Pledgee: Xiangtan Jiuhua Economic Construction Investment Co., Ltd. Pledgor: Tidfore Engineering Co., Ltd.|Tidfore Heavy Industry Co., Ltd.|Ocean engineering equipment (Tianjin) Co., Ltd. Registration number: 2018430000029 |