CN104044921B - The energy-conservation material suction device of hand-held cyclonic vacuum - Google Patents
The energy-conservation material suction device of hand-held cyclonic vacuum Download PDFInfo
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- CN104044921B CN104044921B CN201410319020.5A CN201410319020A CN104044921B CN 104044921 B CN104044921 B CN 104044921B CN 201410319020 A CN201410319020 A CN 201410319020A CN 104044921 B CN104044921 B CN 104044921B
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Abstract
The invention discloses the energy-conservation material suction device of a kind of hand-held cyclonic vacuum, comprise feeding cylinder, urceolus, inner core and handle; Described feeding cylinder is arranged on the bottom of urceolus, and described inner core is arranged on the inside of urceolus, and described handle is arranged on urceolus; Described feeding cylinder, urceolus and inner core are the through cavity in upper and lower two, and described feeding cylinder, urceolus are all communicated with the hollow reservoir of inner core; The lateral surface of described urceolus offers admission port, and described admission port is for being communicated with air supply source; Described admission port does not contact with inner tank theca, and form the air-suction channel of annular between described inner core and urceolus, the hollow reservoir of described admission port and feeding cylinder all communicates with air-suction channel.The energy-conservation material suction device of hand-held cyclonic vacuum provided by the invention, there is delicate structure, make simple, take up room little, transport efficiency is high, the plurality of advantages such as easy to carry, can realize the conveying of dustless closed conduit, easy to operate, maintenance cost is low, safe and reliable, long service life, applicability is strong.
Description
Technical field
The present invention relates to a kind of suction feeder, particularly relate to the energy-conservation material suction device of a kind of hand-held cyclonic vacuum, belong to a kind of by means of pull of vacuum to transmit the load transfer device of material.
Background technology
Suction feeder, is also called suction conveyor, be a kind of by means of pull of vacuum to transmit the dustless closed conduit load transfer device of the materials such as graininess, utilize the draught head of vacuum and environment space, formation gas in pipelines flows, and drives material movement, thus completes conveying operations.So suction feeder is widely used in pharmacy, food, chemical industry, pottery, feed, pigment, dyestuff, the production of far products and scientific research field.
Existing vacuum type Material sucking machine, is mainly made up of multi-parts such as control housing, vacuum pump, pipeline, dedusting tank, storage tank and suction pipelines, and not only bulky, mobile difficulty, energy consumption are high, and maintenance cost is high, maintenance rate is also high.At material conveying process; the factors such as the bulk density of material, the flowing power of material, the hygroscopic property of material and the size of particle all can affect conveying operation; cause the situation that often can occur to block delivery duct; thus reduce transport efficiency, and some material easily remains in and cavity wall causes cleaning inconvenient.
Summary of the invention
Main purpose of the present invention is, overcomes deficiency of the prior art, provides a kind of hand-held cyclonic vacuum energy-conservation material suction device, is specially adapted to Pneumatic conveying operation, flexible and convenient operation and simple.
Technical matters to be solved by this invention is to provide delicate structure, making is simple, take up room the energy-conservation material suction device of hand-held cyclonic vacuum little, that transport efficiency is high, easy to carry; Not only can stop dust atmosphere to pollute, improve working environment, minimizing environment and personnel are to the pollution of material simultaneously, improve cleanliness; And the mass transport of small space can be completed, not by long short distance limitation, make work stall neat and artistic generous; Can hand labor intensity be reduced simultaneously, increase work efficiency; Be safeguard simple, energy-conserving and environment-protective, long service life more, there is the value in industry.
In order to achieve the above object, the technical solution adopted in the present invention is:
The energy-conservation material suction device of a kind of hand-held cyclonic vacuum, comprises feeding cylinder, urceolus, inner core and handle; Described feeding cylinder is arranged on the bottom of urceolus, and described inner core is arranged on the inside of urceolus, and described handle is arranged on urceolus; Described feeding cylinder, urceolus and inner core are the through cavity in upper and lower two, and described feeding cylinder, urceolus are all communicated with the hollow reservoir of inner core; The lateral surface of described urceolus offers admission port, and described admission port is for being communicated with air supply source; Described admission port does not contact with inner tank theca, and form the air-suction channel of annular between described inner core and urceolus, the hollow reservoir of described admission port and feeding cylinder all communicates with air-suction channel.
The energy-conservation material suction device of hand-held cyclonic vacuum of technique scheme, simplify the parts composition of traditional suction feeder, vacuum pump is departed from away, and the parts such as control housing, dedusting tank, storage tank are no longer set, but adopt single air as propulsion source, only stainless steel tube or flexible pipe need be used to carry out relevant connection, restart pressurized air, just can carry out convey materials.
The upper port as discharging opening on urceolus is connected by stainless steel tube or flexible pipe, by the lower port of vacuum intake device feeding cylinder of the present invention directly or indirectly extend into by connection pipe and be equipped with in the container of material, and the pressurized air connecting external vacuum pump is to admission port, start switch pump, the conveying operation of material can be carried out.The material of required conveying is subject to the pressurized air effect that admission port provides, and enters from the cavity volume of feeding cylinder, after through the cavity volume of inner core, finally export from the upper port of urceolus, complete course of conveying.
The energy-conservation material suction device simple installation of hand-held cyclonic vacuum of the present invention, maintenance and maintenance are all quite convenient; Cost reduces greatly than drive motor feeder, and transmission power is but greatly improved; Simple to operate, safe and reliable, without too much moving movement part, take up room little, efficiency is high.
The present invention is set to further: described urceolus is cylindrical cavity, and the hollow reservoir of described urceolus to comprise on urceolus cavity volume under cavity volume and urceolus from top to bottom successively; Under described urceolus, cavity volume is for settling inner core; On described urceolus, cavity volume is funnel shaped, and under described urceolus, cavity volume is cylindrical shape; Under described cylinder urceolus, the cross sectional dimensions of cavity volume is greater than the funnel bottom bore of cavity volume on urceolus.
The present invention is further set to: described feeding cylinder is hollow reverse taper, and described feeding cylinder cavity volume is reverse taper shape; Described feeding cylinder cavity volume upper surface size is less than the cross sectional dimensions of cavity volume under cylinder urceolus; The upper surface size of described feeding cylinder equals the lower surface size of cylinder urceolus.
The present invention is further set to: described inner core is hollow reverse taper, and described inner core cavity volume is cylindrical shape; The cross sectional dimensions of described cylinder inner core cavity volume is greater than the funnel bottom bore of cavity volume on urceolus and is less than the upper surface size of feeding cylinder cavity volume; The upper surface size of described inner core equals the cross sectional dimensions of cavity volume under cylinder urceolus; The height of described inner core equals the height of cavity volume under urceolus; Described hollow reverse taper inner core is placed under cylinder urceolus in cavity volume, and under urceolus, the vacant ring body space of cavity volume forms air-suction channel; The vertical section of described air-suction channel is triangle.
The present invention is further set to: described inner core lower surface side is provided with ring body extension, and described ring body extension extends out to the inwall of cavity volume under urceolus and contacts with inwall; Described ring body extension offers inlet scoop, and described inlet scoop is communicated with air-suction channel and feeding cylinder cavity volume.
The present invention is further set to: described feeding cylinder upper surface is provided with the annular groove snapped in for urceolus lower end barrel; Under the height of described inner core equals urceolus, cavity volume height deducts the annular groove degree of depth.
The present invention is further set to: also comprise seal ring, and described seal ring is arranged on upper surface and/or the lower surface of cavity volume under urceolus.
The present invention is further set to: described inner core upper surface outer side edges and inner core ring body extension lower surface outer side edges are respectively arranged with the scrobicular ring for clamping seal ring.
The present invention is further set to: described feeding cylinder is bolted to bottom urceolus by a class.
The present invention is further set to: described handle shapes is U-shaped body; Described urceolus lateral surface is provided with the handle draw-in groove for clamping U-shaped handle opening end; Described U-shaped handle opening end is bolted on urceolus by two classes.
Technique scheme, from the concrete structure setting of feeding cylinder, urceolus, inner core and handle, while better realizing mass transport, simple in making, practical in effect.
Urceolus is set to cylinder, and easy to make, the hollow reservoir of urceolus comprises cavity volume under the urceolus of cavity volume and cylindrical shape on funnel shaped urceolus from top to bottom successively; On urceolus, cavity volume is set to funnel shaped, and upper port opening size is enough large, is convenient to the conveying discharging equipment connection with different size; Under urceolus, cavity volume is set to cylindrical shape, is convenient to install inner core.
Feeding cylinder is set as hollow reverse taper, is convenient to feeding cylinder and extend into and be equipped with in the container of material, ensure to be connected reliable.
Inner core is also set as hollow reverse taper, not only inner core to be successfully installed under urceolus in cavity volume, and to define vertical section be leg-of-mutton air-suction channel, compressed-air actuated pressure is changed and is produced different pressures layer, so provide strong air draught ability; Be provided with ring body extension at the lower surface side of inner core, described ring body extension offers inlet scoop, then make the contact surface of feeding cylinder and air-suction channel less, ensure that material can not be inhaled in air-suction channel, play good buffer action.
In addition, the setting of seal ring and supporting scrobicular ring makes feeding cylinder, connection between urceolus and inner core tightr, prevents from leaking out; Handle selects U-shaped body, on urceolus lateral surface, be also provided with the handle draw-in groove for clamping U-shaped handle opening end, is not only convenient to move and carry, and connects more firm, has ensured the stability of material suction device.
In sum, the energy-conservation material suction device of a kind of hand-held cyclonic vacuum of the present invention, there is delicate structure, make simple, take up room little, transport efficiency is high, the plurality of advantages such as easy to carry, the conveying of dustless closed conduit can be realized, easy to operate, maintenance cost is low, safe and reliable, long service life, applicability is strong.
Foregoing is only the general introduction of technical solution of the present invention, and in order to clearer understanding technological means of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention 1 face elevational schematic;
Fig. 2 be the embodiment of the present invention 2 face elevational schematic;
Fig. 3 is the side-looking elevational schematic of the embodiment of the present invention 2;
Fig. 4 be the embodiment of the present invention 2 face vertical profile STRUCTURE DECOMPOSITION figure;
Fig. 5 be the urceolus of the embodiment of the present invention 2 face elevational schematic;
Fig. 6 be the feeding cylinder of the embodiment of the present invention 2 face elevational schematic;
Fig. 7 be the inner core of the embodiment of the present invention 2 face elevational schematic.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further illustrated.
Embodiment 1: as shown in Figure 1.
The energy-conservation material suction device of a kind of hand-held cyclonic vacuum, comprises feeding cylinder 10, urceolus 20, inner core 30 and handle 40; Described feeding cylinder 10 is arranged on the bottom of urceolus 20, and described inner core 30 is arranged on the inside of urceolus 20, and described handle 40 is arranged on urceolus 20; Described feeding cylinder 10, urceolus 20 and inner core 30 are the through cavity in upper and lower two, and described feeding cylinder 10, urceolus 20 are all communicated with the hollow reservoir of inner core 30; The lateral surface of described urceolus 20 offers admission port 50, and described admission port 50 is for being communicated with air supply source; Described admission port 50 does not contact with inner core 30 outer wall, and form the air-suction channel 60 of annular between described inner core 30 and urceolus 20, the hollow reservoir of described admission port 50 and feeding cylinder 10 all communicates with air-suction channel 60.
Working process is: use stainless steel tube or flexible pipe to connect urceolus 20 upper port and be about to the reception material equipment of conveying, by the lower port of feeding cylinder 10 directly or indirectly extend into by connection pipe and be equipped with in the container of material, and the pressurized air connecting external vacuum pump is to admission port 50, start switch pump and start conveying, the required material carried is subject to the pressurized air effect that admission port 50 provides, enter from feeding cylinder 10 cavity volume, after through inner core 30 cavity volume, finally export from the upper port of urceolus 20, complete course of conveying.
Embodiment 2: as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7.
The energy-conservation material suction device of a kind of hand-held cyclonic vacuum, comprises feeding cylinder 1, urceolus 2, inner core 3 and handle 4; Described feeding cylinder 1 is arranged on the bottom of urceolus 2, and described inner core 3 is arranged on the inside of urceolus 2, and described handle 4 is arranged on urceolus 2; Described feeding cylinder 1, urceolus 2 and inner core 3 are the through cavity in upper and lower two, and described feeding cylinder 1, urceolus 2 are all communicated with the hollow reservoir of inner core 3; The lateral surface of described urceolus 2 offers admission port 5, and described admission port 5 is for being communicated with air supply source; There is the air-suction channel of annular between described inner core 3 and urceolus 2, the hollow reservoir of described admission port 5 and feeding cylinder 1 all communicates with air-suction channel.
Aforesaid urceolus 2 is cylindrical cavity, and the hollow reservoir of described urceolus 2 to comprise on urceolus cavity volume 22 under cavity volume 21 and urceolus from top to bottom successively; Under described urceolus, cavity volume 22 is for settling inner core 3; On described urceolus, cavity volume 21 is funnel shaped, and under described urceolus, cavity volume 22 is cylindrical shape; Under described cylinder urceolus, the cross sectional dimensions of cavity volume 22 is greater than the funnel bottom bore of cavity volume 21 on urceolus.
Aforesaid feeding cylinder 1 is hollow reverse taper, and described feeding cylinder cavity volume 11 is also reverse taper shape; Described feeding cylinder cavity volume 11 upper surface size is less than the cross sectional dimensions of cavity volume 22 under cylinder urceolus; The upper surface size of described feeding cylinder 1 equals the lower surface size of cylinder urceolus 2.
Aforesaid inner core 3 is hollow reverse taper, and described inner core cavity volume 31 is cylindrical shape; The cross sectional dimensions of described cylinder inner core cavity volume 31 is greater than the funnel bottom bore of cavity volume 21 on urceolus and is less than the upper surface size of feeding cylinder cavity volume 11; The upper surface size of described inner core 3 equals the cross sectional dimensions of cavity volume 22 under cylinder urceolus; The height of described inner core 3 equals the height of cavity volume 22 under urceolus; Described hollow reverse taper inner core 3 is placed under cylinder urceolus in cavity volume 22, and under urceolus, the vacant ring body space of cavity volume 22 forms air-suction channel 6; The vertical section of described air-suction channel 6 is triangle.
Aforesaid inner core 3 lower surface side is provided with ring body extension 32, and described ring body extension 32 extends out to the inwall of cavity volume 22 under urceolus and contacts with inwall; Described ring body extension 32 offers inlet scoop 61, and described inlet scoop 61 is communicated with air-suction channel 6 and feeding cylinder cavity volume 11.
Aforesaid feeding cylinder 1 upper surface is provided with the annular groove 12 snapped in for urceolus 2 lower end barrel; Under the height of described inner core 3 equals urceolus, cavity volume 22 highly deducts annular groove 12 degree of depth; Also comprise seal ring 33, described seal ring 33 is arranged on upper surface and/or the lower surface of cavity volume 22 under urceolus; The ring body extension 32 lower surface outer side edges of described inner core 3 upper surface outer side edges and inner core 3 is respectively arranged with the scrobicular ring 34 for clamping seal ring 33.
Aforesaid feeding cylinder 1 is fixed on bottom urceolus 2 by a class bolt 13; Described feeding cylinder 1 is provided with a corresponding class bolt hole 14, bottom described urceolus 2, is provided with a corresponding class bolt hole 23.
Preferred grip 4 shape is U-shaped body; Described urceolus 2 lateral surface is provided with the handle draw-in groove 24 for clamping U-shaped handle opening end; Described U-shaped handle opening end is fixed on urceolus 2 by two class bolts 41; Corresponding two class bolts hole 25 are provided with in handle draw-in groove 24 on described urceolus 2.
Working process is, use stainless steel tube or flexible pipe to connect urceolus 2 upper port and be about to the reception material equipment of conveying, by the lower port of feeding cylinder 1 directly or indirectly extend into by connection pipe and be equipped with in the container of material, and the pressurized air connecting external vacuum pump is to admission port 5, start switch pump and start conveying, the required material carried is subject to the pressurized air effect that admission port 5 provides, enter from feeding cylinder 1 cavity volume, after through inner core 3 cavity volume, finally export from the upper port of urceolus 2, complete course of conveying.
Compared with prior art, the beneficial effect that the energy-conservation material suction device of above-mentioned hand-held cyclonic vacuum has is, cavity volume 22 under urceolus 2 and urceolus is set to cylinder, is convenient to manufacture and installation; On urceolus, cavity volume 21 is set to funnel shaped, is convenient to the conveying discharging equipment connection with different size; Feeding cylinder 1 and inner core 3 are set as hollow reverse taper, are convenient to be connected, guarantee that installation is compact, firm and reliable; Having possessed vertical section is leg-of-mutton air-suction channel 6, provides strong air draught ability; Be provided with ring body extension 32 at the lower surface side of inner core 3, described ring body extension 32 offers inlet scoop 61, then make feeding cylinder 1 less with the contact surface of air-suction channel 6, ensure that material can not be inhaled in air-suction channel 6, play good buffer action; Be provided with seal ring 33 and clamp the scrobicular ring 34 of seal ring 33, then make feeding cylinder 1, connection between urceolus 2 and inner core 3 tightr, prevent from leaking out; Urceolus 2 lateral surface is provided with the handle draw-in groove 24 for clamping U-shaped handle 4 open end, and assembling is more firm, is often convenient to mobile and carries.
The energy-conservation material suction device of hand-held cyclonic vacuum of the present invention, delicate structure, take up room little, transport efficiency is high, the traffic capacity for plastic grain material class is that operational throughput per hour reaches as high as 300Kg, conveying noise low, energy consumption is low, and maintenance cost is also quite low.
More than show and describe groundwork of the present invention, principal character and advantage.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (9)
1. the energy-conservation material suction device of hand-held cyclonic vacuum, is characterized in that: comprise feeding cylinder, urceolus, inner core and handle;
Described feeding cylinder is arranged on the bottom of urceolus, and described inner core is arranged on the inside of urceolus, and described handle is arranged on urceolus;
Described feeding cylinder, urceolus and inner core are the through cavity in upper and lower two, and described feeding cylinder, urceolus are all communicated with the hollow reservoir of inner core;
The lateral surface of described urceolus offers admission port, and described admission port is for being communicated with air supply source;
Described admission port does not contact with inner tank theca, and form the air-suction channel of annular between described inner core and urceolus, the hollow reservoir of described admission port and feeding cylinder all communicates with air-suction channel;
Described urceolus is cylindrical cavity, and the hollow reservoir of described urceolus to comprise on urceolus cavity volume under cavity volume and urceolus from top to bottom successively;
Under described urceolus, cavity volume is for settling inner core;
On described urceolus, cavity volume is funnel shaped, and under described urceolus, cavity volume is cylindrical shape;
Under described cylinder urceolus, the cross sectional dimensions of cavity volume is greater than the funnel bottom bore of cavity volume on urceolus.
2. the energy-conservation material suction device of hand-held cyclonic vacuum according to claim 1, is characterized in that: described feeding cylinder is hollow reverse taper, and described feeding cylinder cavity volume is reverse taper shape;
Described feeding cylinder cavity volume upper surface size is less than the cross sectional dimensions of cavity volume under cylinder urceolus;
The upper surface size of described feeding cylinder equals the lower surface size of cylinder urceolus.
3. the energy-conservation material suction device of hand-held cyclonic vacuum according to claim 2, is characterized in that: described inner core is hollow reverse taper, and described inner core cavity volume is cylindrical shape;
The cross sectional dimensions of described cylinder inner core cavity volume is greater than the funnel bottom bore of cavity volume on urceolus and is less than the upper surface size of feeding cylinder cavity volume;
The upper surface size of described inner core equals the cross sectional dimensions of cavity volume under cylinder urceolus;
The height of described inner core equals the height of cavity volume under urceolus;
Described hollow reverse taper inner core is placed under cylinder urceolus in cavity volume, and under urceolus, the vacant ring body space of cavity volume forms air-suction channel; The vertical section of described air-suction channel is triangle.
4. the energy-conservation material suction device of hand-held cyclonic vacuum according to claim 3, is characterized in that: described inner core lower surface side is provided with ring body extension, and described ring body extension extends out to the inwall of cavity volume under urceolus and contacts with inwall; Described ring body extension offers inlet scoop, and described inlet scoop is communicated with air-suction channel and feeding cylinder cavity volume.
5. the energy-conservation material suction device of hand-held cyclonic vacuum according to claim 4, is characterized in that: described feeding cylinder upper surface is provided with the annular groove snapped in for urceolus lower end barrel; Under the height of described inner core equals urceolus, cavity volume height deducts the annular groove degree of depth.
6. the energy-conservation material suction device of hand-held cyclonic vacuum according to claim 5, is characterized in that: also comprise seal ring, and described seal ring is arranged on upper surface and/or the lower surface of cavity volume under urceolus.
7. the energy-conservation material suction device of hand-held cyclonic vacuum according to claim 6, is characterized in that: described inner core upper surface outer side edges and inner core ring body extension lower surface outer side edges are respectively arranged with the scrobicular ring for clamping seal ring.
8. the energy-conservation material suction device of hand-held cyclonic vacuum according to claim 1, is characterized in that: described feeding cylinder is bolted to bottom urceolus by a class.
9. the energy-conservation material suction device of hand-held cyclonic vacuum according to claim 1, is characterized in that: described handle shapes is U-shaped body; Described urceolus lateral surface is provided with the handle draw-in groove for clamping U-shaped handle opening end; Described U-shaped handle opening end is bolted on urceolus by two classes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319020.5A CN104044921B (en) | 2014-07-04 | 2014-07-04 | The energy-conservation material suction device of hand-held cyclonic vacuum |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319020.5A CN104044921B (en) | 2014-07-04 | 2014-07-04 | The energy-conservation material suction device of hand-held cyclonic vacuum |
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| Publication Number | Publication Date |
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| CN104044921A CN104044921A (en) | 2014-09-17 |
| CN104044921B true CN104044921B (en) | 2016-03-02 |
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| CN201410319020.5A Expired - Fee Related CN104044921B (en) | 2014-07-04 | 2014-07-04 | The energy-conservation material suction device of hand-held cyclonic vacuum |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29723225U1 (en) * | 1997-07-10 | 1998-06-04 | Kolb, Robert, jun., 88046 Friedrichshafen | Pneumatic device for sucking color powder from a container |
| CN2444913Y (en) * | 2000-09-29 | 2001-08-29 | 黄卫琳 | Pneumatic tool for pneumatic conveying |
| DE102005010574A1 (en) * | 2004-03-05 | 2005-09-22 | Gel-Verfahrenstechnik Gmbh & Co. Kg | Suction conveyor for bulk materials, especially pharmaceuticals, comprises tubular casing which temporarily stores material, suction line being mounted at top of housing, around which filter is fitted which acts as closure for housing |
| CN1842365A (en) * | 2004-09-02 | 2006-10-04 | 魏特曼和康拉德两合公司 | Device and method for producing powder-air mixture |
| CN203682612U (en) * | 2013-12-28 | 2014-07-02 | 重庆市易特杰机械制造有限公司 | Energy-saving material conveyor |
-
2014
- 2014-07-04 CN CN201410319020.5A patent/CN104044921B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29723225U1 (en) * | 1997-07-10 | 1998-06-04 | Kolb, Robert, jun., 88046 Friedrichshafen | Pneumatic device for sucking color powder from a container |
| CN2444913Y (en) * | 2000-09-29 | 2001-08-29 | 黄卫琳 | Pneumatic tool for pneumatic conveying |
| DE102005010574A1 (en) * | 2004-03-05 | 2005-09-22 | Gel-Verfahrenstechnik Gmbh & Co. Kg | Suction conveyor for bulk materials, especially pharmaceuticals, comprises tubular casing which temporarily stores material, suction line being mounted at top of housing, around which filter is fitted which acts as closure for housing |
| CN1842365A (en) * | 2004-09-02 | 2006-10-04 | 魏特曼和康拉德两合公司 | Device and method for producing powder-air mixture |
| CN203682612U (en) * | 2013-12-28 | 2014-07-02 | 重庆市易特杰机械制造有限公司 | Energy-saving material conveyor |
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| CN104044921A (en) | 2014-09-17 |
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