CN201524031U - No power energy saving water absorbing and dust collecting device - Google Patents
No power energy saving water absorbing and dust collecting device Download PDFInfo
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- CN201524031U CN201524031U CN2009201753402U CN200920175340U CN201524031U CN 201524031 U CN201524031 U CN 201524031U CN 2009201753402 U CN2009201753402 U CN 2009201753402U CN 200920175340 U CN200920175340 U CN 200920175340U CN 201524031 U CN201524031 U CN 201524031U
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Abstract
The utility model provides an efficient no-power energy saving water absorbing and dust collecting device which has a simple structure, easy maintenance, security and is environment friendly. The device comprises an integrated no-power water absorbing and dust collecting body, a dust discharge connecting pipe, an air inlet switch, an air switch grab handle and a dust collecting tank. The integrated no-power water absorbing and dust collecting body comprises a front section venture dedusting pipe shell, a variable front section venture pipe body, a front section venture dedusting pipe collector, a honeycomb integrated air discharge device, a seal ring, and a rear end venture dedusting pipe body. The dust collecting tank adopts a three-stage dust filtering structure. The dust collecting tank comprises a dust collecting tank shell, an upper cover, a first stage filter screen, a second stage filter screen, a third stage filter vent. The utility model adopts a high pressure fast air discharge structure for driving; and the whole process has no mobile drive device so as to greatly enhance the stability and reduce the failure rate.
Description
Technical field
The utility model relates to a kind of suction dust suction kind equipment, a kind of nothing electricity suction dust collection equipment that is used for of saying so more specifically with energy-conservation, safe, efficient, environmental protection, can be used for the discharging of short distance rapid fluid, local dust suction or central dust suction, fields such as space ventilation.
Background technology
Existing dust collection equipment is the dust catcher of a kind of high-voltage motor for driving, and utilizes the driving of motor to drive blower fan, and the air draft of utilization high speed makes air inlet produce a kind of equipment that negative pressure reaches dust suction.Owing to adopt 220V voltage, the personnel that cause the easily in operation injures and deaths of getting an electric shock are even if adopt protective device also to have potential safety hazard.The rated power of motor more than 2000W, the power consumption height.So high-voltage motor very easily damages owing to there being motion to drive accessory for the car washing installation that drives.The condition that does not possess suction.Also there are some to set and have absorbent function, but only be blower fan and dust suction water absorption channel to be isolated, still have potential safety hazard by rubber seal.
For overcoming above-mentioned shortcoming, the equipment that the design of a lot of dust suction suction kind equipment can absorb water.The method of so-called dust suction suction double-duty plant design, but only be blower fan and dust suction water absorption channel to be isolated by rubber seal, still there is potential safety hazard.Also having a kind of equipment that adopts the moving dust suction of gas drive, is to adopt simple Wen's principle, and vacuum is lower, does not possess the function of suction, can only be applied to slight powder dust suction, and cost is higher.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming in the existing technology, and a kind of simple and stable structure is provided, and maintenance maintenance is simple and easy, and has good energy-conservation, environmental protection, safety, efficient no electric dust suction water absorption device that maintenance cost is low.
For achieving the above object, the design adopts following technical scheme:
The technical program has designed a kind of no electric energy-conservation dust suction water absorption device, comprises integrated nothing electricity suction dust suction main body, dust discharge tube connector, air inlet switch, air inlet switch lever, dust suction dialectal switching pipe and disposal box.
Described integrated nothing electricity suction dust suction main body is the major part of design, mainly comprises leading portion Wen sweep-up pipe shell, type variable leading portion Wen body, leading portion Wen sweep-up pipe connector, the integrated Wen's exhaust apparatus of honeycomb fashion, sealing ring, rear end Wen's dust discharge body.Leading portion Wen sweep-up pipe shell and rear end Wen's dust discharge body are combined into the shell of integrated nothing electricity suction dust suction main body; Type variable leading portion Venturi tube body is positioned in the inner chamber of leading portion Wen sweep-up pipe shell dust suction one end, is furnished with Venturi tube and adjusts screw and automatic-reset spring, is used for adjusting within the specific limits the size of variant leading portion Wen body bore; The inner chamber of leading portion Wen sweep-up pipe connector has tapering, one end of leading portion Wen sweep-up pipe connector is connected with the dust mouth counterpart of type variable leading portion Wen body, and the other end of leading portion Wen sweep-up pipe connector part is in the centre bore of the integrated Wen's exhaust apparatus of honeycomb fashion, and together is arranged in the inner chamber of leading portion Wen sweep-up pipe shell.
Described sealing ring in the annular groove on setting and leading portion Wen sweep-up pipe connector and the integrated Wen's exhaust apparatus of the honeycomb fashion outer wall, guarantees air-tightness.
(leading portion Wen sweep-up pipe connector partly runs through wherein the centre bore of the integrated exhaust apparatus of described honeycomb fashion Wen, be taper) the integrated steam vent of the circumferentially some honeycomb fashion Wens in position on every side, these steam vents are positioned on the same circumference, symmetry, and circumference in equal parts in twos; Three kinds of designs of the inner employing of the integrated steam vent of this honeycomb fashion Wen: tilting, spiral, and double tapering Wen design.What link to each other with the integrated steam vent of honeycomb fashion Wen inside is single groove taper honeycomb fashion air storage channel, this air storage channel is formed by the inwall of leading portion Wen sweep-up pipe shell and the outer wall of leading portion Wen sweep-up pipe connector and the integrated exhaust apparatus of honeycomb fashion Wen, the one side opening, be installed into air cock, link with the main airway of air pump, guarantee that air pressure discharges fast synchronously.
Wherein, the centre bore of the integrated exhaust apparatus of described honeycomb fashion Wen, quantity, the size of the integrated steam vent of honeycomb fashion Wen, and the size of institute's distribution circumference should be set according to actual conditions.At different suctions give a dinner of welcome environment and object, adjust the size of above-mentioned part, to reach best effect.General, the every increase of the diameter 4mm of the centre bore of the integrated exhaust apparatus of honeycomb fashion Wen increases by 2 integrated steam vents of honeycomb fashion Wen, and the integrated steam vent of honeycomb fashion Wen aperture increases 0.05mm, and the aperture maximum of the integrated steam vent of honeycomb fashion Wen can be amplified to 1.5mm.
The circumference at the dust mouth part of type variable leading portion Wen body, leading portion Wen sweep-up pipe connector, the integrated exhaust apparatus of honeycomb fashion Wen, rear end Wen's dust discharge body and the integrated steam vent of honeycomb fashion Wen place is a coaxial relation; The size of the dust mouth part of type variable leading portion Wen body, be the consistent size of the front end connector of the reference dimension of its osculum caliber and leading portion Wen sweep-up pipe connector, and type variable leading portion Wen body get the osculum caliber and can adjust by adjusting screw.
Air pump is sent to air inlet switch place with pressure-air, pressure-air by force to the dust-exhausting port exhaust, made the type variable leading portion Wen body generation negative pressure of integrated nothing electricity suction dust suction main body that water or dust are discharged fast through the integrated steam vent of honeycomb fashion Wen when the air inlet switch lever of holding with a firm grip was opened the air inlet switch.Air-flow formed pressure-air rotation discharge to improve the negative pressure intensity of type variable leading portion Wen body when the spiral design of the integrated steam vent of honeycomb fashion Wen made exhaust, and this hole also is designed to focus on tilting simultaneously, then more a step is improved the centre focus point when exhaust, it is more unobstructed that pressure-air is discharged, and leading portion Wen sweep-up pipe negative pressure is bigger.In a word, the pressure that pressure-air delivery flow in the integrated steam vent of honeycomb fashion Wen is big more, discharge is big more, focus on more the center, the exhaust rotation is fast more, the negative pressure of type variable leading portion Wen body is big more, and the speed of suction, dust suction is fast more, the effect of suction dust suction is good more.
Described dust discharge tube connector one end is fastened on rear end Wen's dust discharge body, and the other end is fastened on the disposal box entering-dust mouth.
Be that disposal box adopts three grades of filter dirt structures, disposal box is by the dust discharge tube connector dust to be entered filter dirt case, after air that enters and airborne dust tentatively filtered through filter screen, the pressure-air that filters discharging through filter pulp reached the purpose that control of dust filters by the steam vent discharge again.Because the effect bulky grain of screen pack can be filtered to filter dirt case, floating dust can be filtered beyond filter cotton through filter cotton, just can not produce airborne dust when air is discharged from.
Wen's mouth of described type variable leading portion Wen body and rear end Wen's dust discharge body becomes reverse ratio, little notch portion is relative, the mouth of pipe air that changes from small to big is discharged more smoothly when making exhaust, and entering-dust mouth makes the entering-dust mouth negative pressure of vacuum bigger from large to small, and the suction pick-up performance is better.
The utility model creation adopts the quick exhaust of pressure-air as the structure that drives, and entire work process is without any the sports type drive unit, and stability improves greatly, has reduced fault rate.Generally speaking, present design is a kind of energy-conservation suction dust collection equipment of electricity that do not have, and is simple in structure, easy to install and use, reduce the maintenance maintenance cost, have good energy-conservation, the safety and environmental protection performance has improved the stability of service efficiency and equipment, and prior art has substantive distinguishing features relatively.
Description of drawings
Fig. 1 is a technical program preferred embodiment overall installation schematic diagram;
Fig. 2 is the integrated nothing electricity of a technical program main element suction dust suction main structure chart;
Fig. 3 A is the integrated steam vent position distribution of a technical program honeycomb fashion Wen schematic diagram;
Fig. 3 B is the integrated steam vent tilting of a technical program honeycomb fashion Wen organigram;
Fig. 3 C is the spiral organigram of the integrated steam vent of the technical program honeycomb fashion Wen;
Fig. 3 D is the integrated steam vent tapering of a technical program honeycomb fashion Wen Wen organigram;
Fig. 4 is the technical program scheme optimization embodiment structure of dust figure; ,
Fig. 5 is a technical program preferred embodiment unlatching work gaseity airflow direction schematic diagram;
Fig. 6 closes work gaseity airflow direction schematic diagram for the technical program preferred embodiment.
The specific embodiment
Below adopt a preference in conjunction with the accompanying drawings the technical program to be described further:
The described no electric energy-conservation dust suction water absorption device of the technical program comprises integrated nothing electricity suction dust suction main body 1, dust discharge tube connector 2, air inlet switch 3, air inlet switch lever 4 and disposal box 6.
Described integrated nothing electricity suction dust suction main body 1 mainly comprises leading portion Wen sweep-up pipe shell 11, type variable leading portion Wen body 12, leading portion Wen sweep-up pipe connector 13, the integrated Wen's exhaust apparatus 14 of honeycomb fashion, sealing ring 15, rear end Wen's dust discharge body 16.Leading portion Wen sweep-up pipe shell 11 and rear end Wen's dust discharge body 16 are combined into the shell of integrated nothing electricity suction dust suction main body 1; Type variable leading portion Wen body 12 is positioned in the inner chamber of leading portion Wen sweep-up pipe shell 11 dust suctions one end, is furnished with Venturi tube and adjusts screw 121 and automatic-reset spring 122; One end of leading portion Wen sweep-up pipe connector 13 is connected with the dust mouth counterpart of type variable leading portion Wen body 12, and the other end of leading portion Wen sweep-up pipe connector 13 part is in the centre bore of the integrated Wen's exhaust apparatus 14 of honeycomb fashion, and together is arranged in the inner chamber of leading portion Wen sweep-up pipe shell 11.
Described sealing ring 15 in the annular groove on setting and leading portion Wen sweep-up pipe connector 13 and integrated Wen's exhaust apparatus 15 outer walls of honeycomb fashion, guarantees air-tightness.
As shown in Figure 3A, (leading portion Wen sweep-up pipe connector partly runs through wherein the centre bore 141 of the integrated exhaust apparatus 14 of described honeycomb fashion Wen, be taper) the integrated steam vent 142 of the circumferentially some honeycomb fashion Wens in position on every side, these steam vents are positioned on the same circumference, symmetry, and circumference in equal parts in twos; Three kinds of designs of the integrated steam vent 142 inner employings of this honeycomb fashion Wen: tilting, spiral, and double tapering Wen design.Described tilting design is meant that the integrated steam vent 142 of dried honeycomb fashion Wen tilts according to the tapering of aforementioned centre bore, shown in Fig. 3 B; Described spiral design is meant the integrated exhaust of whole dried honeycomb fashion Wen 142 holes distorted shape in the shape of a spiral, shown in Fig. 3 C; Described tapering Wen design is meant that its shape is similar to Wen's body, and the aperture is descending, shown in Fig. 3 D.
With reference to figure 2, what link to each other with the integrated steam vent of honeycomb fashion Wen 142 inside is single groove taper honeycomb fashion air storage channel 143, this air storage channel is formed by the inwall of leading portion Wen sweep-up pipe shell 11 and the outer wall of leading portion Wen sweep-up pipe connector 13 and the integrated exhaust apparatus 14 of honeycomb fashion Wen, the one side opening, be installed into air cock 3, link with the main airway of air pump, guarantee that air pressure discharges fast synchronously.
Wherein, the diameter of the centre bore 141 of the integrated exhaust apparatus 14 of described honeycomb fashion Wen is 1.8cm; The quantity of the integrated steam vent 142 of honeycomb fashion Wen is 14, and the aperture is 1mm.
The circumference at the dust mouth part of type variable leading portion Wen body 12, leading portion Wen sweep-up pipe connector 13, the integrated exhaust apparatus 14 of honeycomb fashion Wen, rear end Wen's dust discharge body 16 and the integrated steam vent of honeycomb fashion Wen 142 places is a coaxial relation;
Wen's mouth of described type variable leading portion Wen body 12 and rear end Wen's dust discharge body 14 becomes reverse ratio, little notch portion is relative, the mouth of pipe air that changes from small to big is discharged more smoothly when making exhaust, and entering-dust mouth makes the entering-dust mouth negative pressure of vacuum bigger from large to small, and the suction pick-up performance is better.
The reference dimension of the osculum caliber of type variable leading portion Wen body 12 is 1.8cm, and its adjusting range is 0-5cm, and big mouthful of caliber of type variable leading portion Wen body 12 is not subjected to concrete constraint, and the length of type variable leading portion Wen body 12 is in 3 times of scopes of big mouthful caliber.The big more effect of ratio of big mouthful caliber and osculum caliber is good more, and this ratio minimum is 1: 0.85.And for rear end Wen's dust discharge body 14 principle is set too, when rear end Wen's dust discharge body 14 little and big mouthful of caliber of osculum caliber when big, the negative pressure maximum that osculum produces when the dust flue high speed exhaust of rear end, and that big mouth goes out the dirt water yield is the most direct maximum.
Described dust discharge tube connector 2 one ends are fastened on rear end Wen's dust discharge body 16, and the other end is fastened on disposal box 6 entering-dust mouths 61.
As shown in Figure 4, disposal box 6 adopts three grades of filter dirt structures, and disposal box 6 comprises disposal box shell 62, loam cake 63, and one-level screen pack 65, cascade filtration net 64, three-stage filtration exhaust outlet 66. loam cakes 63 are installed in disposal box shell 62 and install mutually, can disassemble.One-level screen pack 65 and cascade filtration net 64 are parts independently, are installed on the loam cake 63, are positioned at the inside of disposal box shell 62, can disassemble.Three-stage filtration exhaust outlet 66 adopts the structure of the sub-fixed ventilation sponge of iron network interface card, is installed in the center of the outside of loam cake 63, also can independently disassemble.One-level screen pack 65 is to use density iron net to make, and cascade filtration net 64 is to use iron net outside to put the air-permeative filter cotton-padded covering.
By dust discharge tube connector 2 dust is entered dust deposited case, air that enters and airborne dust after one-level screen pack 65 preliminary filtrations, again through cascade filtration net 64 filter pulps filter will discharging pressure-air discharge by steam vent and reach the purpose that control of dust filters.Because the effect bulky grain of screen pack can be filtered to filter dirt case, floating dust can be filtered beyond filter cotton through filter cotton, just can not produce airborne dust when air is discharged from.
During work, air pump is sent to air inlet switch 3 places with pressure-air, pressure-air by force to the dust-exhausting port exhaust, made the type variable leading portion Wen body 12 generation negative pressure of integrated nothing electricity suction dust suction main body 1 that water or dust are discharged fast through the integrated steam vent 142 of honeycomb fashion Wen when the air inlet switch lever 4 of holding with a firm grip was opened air inlet switch 3.Air-flow formed pressure-air rotation discharge to improve the negative pressure intensity of leading portion Wen sweep-up pipe when the spiral design of the integrated steam vent 142 of honeycomb fashion Wen made exhaust, and this hole also is designed to focus on tilting simultaneously, then more a step is improved the centre focus point when exhaust, it is more unobstructed that pressure-air is discharged, and type variable leading portion Wen body 12 negative pressure are bigger.The air-flow that comprises dirt and water strengthens row's dynamics through rear end Wen's dust discharge body 16, again by dust discharge tube connector 2, enters the entering-dust mouth 61 between disposal box 6 shells 62 and the one-level screen pack 65, through three layer filtration, discharges.The airflow direction of entire work process as shown in Figure 5.When loosening air inlet switch lever 4, air inlet switch 3 cuts out, and the air-flow of whole device stays cool, as shown in Figure 6.
In sum; the utility model content and the specific embodiment thereof; only be for essence of the present utility model and intension clearly are described by way of example; be not that mode with limitation is limited to outside the variation pattern on the utility model design basis; those skilled in the art can be on design of the present utility model basis; mapped structure is formed the size of mode and part arbitrarily; but based on common practise and the customary means of utility model thinking, still belong within the protection domain of the present utility model in conjunction with this area as it.
Claims (10)
1. a no electric energy-conservation dust suction water absorption device is characterized in that: comprise integrated nothing electricity suction dust suction main body, dust discharge tube connector, air inlet switch, air inlet switch lever and disposal box;
Described integrated nothing electricity suction dust suction main body leading portion Wen sweep-up pipe shell, type variable leading portion Wen body, leading portion Wen sweep-up pipe connector, the integrated Wen's exhaust apparatus of honeycomb fashion, sealing ring, rear end Wen's dust discharge body, leading portion Wen sweep-up pipe shell and rear end Wen's dust discharge body are combined into the shell of integrated nothing electricity suction dust suction main body; Type variable leading portion Venturi tube body is positioned in the inner chamber of leading portion Wen sweep-up pipe shell dust suction one end, is furnished with Venturi tube and adjusts screw and automatic-reset spring; The inner chamber of leading portion Wen sweep-up pipe connector has tapering, one end of leading portion Wen sweep-up pipe connector is connected with the dust mouth counterpart of type variable leading portion Wen body, and the other end of leading portion Wen sweep-up pipe connector part is in the centre bore of the integrated Wen's exhaust apparatus of honeycomb fashion, and together is arranged in the inner chamber of leading portion Wen sweep-up pipe shell;
Described sealing ring is in the annular groove on setting and leading portion Wen sweep-up pipe connector and the integrated Wen's exhaust apparatus of the honeycomb fashion outer wall;
The centre bore of the integrated exhaust apparatus of described honeycomb fashion Wen is taper, the integrated steam vent of the circumferentially some honeycomb fashion Wens in position around the centre bore, and these steam vents are positioned on the same circumference, symmetry, and circumference in equal parts in twos; What link to each other with the integrated steam vent of honeycomb fashion Wen inside is single groove taper honeycomb fashion air storage channel, this air storage channel is formed by the inwall of leading portion Wen sweep-up pipe shell and the outer wall of leading portion Wen sweep-up pipe connector and the integrated exhaust apparatus of honeycomb fashion Wen, the one side opening, be installed into air cock, link with the main airway of air pump;
The circumference at the dust mouth part of type variable leading portion Wen body, leading portion Wen sweep-up pipe connector, the integrated exhaust apparatus of honeycomb fashion Wen, rear end Wen's dust discharge body and the integrated steam vent of honeycomb fashion Wen place is a coaxial relation;
Described dust discharge tube connector one end is fastened on rear end Wen's dust discharge body, and the other end is fastened on the disposal box entering-dust mouth;
Wen's mouth of described type variable leading portion Wen body and rear end Wen's dust discharge body becomes reverse ratio, and little notch portion is relative.
2. no electric energy-conservation dust suction water absorption device as claimed in claim 1 is characterized in that the integrated steam vent interior shape structure of described honeycomb fashion Wen has tilting concurrently, and is spiral, three kinds of designs of tapering Wen formula.
3. no electric energy-conservation dust suction water absorption device as claimed in claim 1, it is characterized in that: the every increase of the diameter 4mm of the centre bore of the integrated exhaust apparatus of honeycomb fashion Wen, increase by 2 integrated steam vents of honeycomb fashion Wen, and the integrated steam vent of honeycomb fashion Wen aperture increases 0.05mm, and the aperture of the integrated steam vent of honeycomb fashion Wen is 1.5mm to the maximum.
4. as claim 1 or 2 or 3 described no electric energy-conservation dust suction water absorption device, it is characterized in that: the quantity of the integrated steam vent of described honeycomb fashion Wen is 14, and the aperture is 1mm.
5. no electric energy-conservation dust suction water absorption device as claimed in claim 1 is characterized in that: the consistent size of the reference dimension in type variable leading portion Wen body small orifice footpath and the front end connector of leading portion Wen sweep-up pipe connector; The adjusting range of the osculum caliber of type variable leading portion Wen body is 0-5cm, and the length of type variable leading portion Wen body is in 3 times of scopes of big mouthful of caliber of type variable leading portion Wen body, and the ratio of its big mouthful of caliber and osculum caliber is minimum more to be 1: 0.85.
6. no electric energy-conservation dust suction water absorption device as claimed in claim 5, it is characterized in that: the reference dimension of the osculum caliber of type variable leading portion Wen body is 1.8cm.
7. no electric energy-conservation dust suction water absorption device as claimed in claim 1 is characterized in that: the length of rear end Wen's dust discharge body is in 3 times of scopes of big mouthful of caliber of rear end Wen's dust discharge body, and the ratio of its big mouthful of caliber and osculum caliber is minimum more to be 1: 0.85.
8. no electric energy-conservation dust suction water absorption device as claimed in claim 1 is characterized in that: described disposal box adopts three grades of filter dirt structures, and disposal box comprises the disposal box shell, loam cake, one-level screen pack, cascade filtration net, three-stage filtration exhaust outlet; Loam cake is installed in the disposal box shell and installs mutually; One-level screen pack and cascade filtration net are parts independently, are installed in to cover, and are positioned at the inside of disposal box shell; The three-stage filtration exhaust outlet adopts the structure of the sub-fixed ventilation sponge of iron network interface card, is installed in the center of the outside of loam cake.
9. no electric energy-conservation dust suction water absorption device as claimed in claim 8 is characterized in that: described one-level screen pack is to use density iron net to make.
10. no electric energy-conservation dust suction water absorption device as claimed in claim 8 is characterized in that: described cascade filtration net is to use iron net outside to put air-permeative filter cotton-padded covering structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201753402U CN201524031U (en) | 2009-08-26 | 2009-08-26 | No power energy saving water absorbing and dust collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201753402U CN201524031U (en) | 2009-08-26 | 2009-08-26 | No power energy saving water absorbing and dust collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201524031U true CN201524031U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201753402U Expired - Fee Related CN201524031U (en) | 2009-08-26 | 2009-08-26 | No power energy saving water absorbing and dust collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201524031U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101664291B (en) * | 2009-08-26 | 2011-12-07 | 王鹏 | Electroless energy-conservation water and dust collector |
| CN102879066A (en) * | 2012-09-26 | 2013-01-16 | 天津通广集团数字通信有限公司 | Weigher for paint fog gas filtration residues |
| CN103801534A (en) * | 2014-01-27 | 2014-05-21 | 昆山协多利金属有限公司 | Dust sucking tube |
-
2009
- 2009-08-26 CN CN2009201753402U patent/CN201524031U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101664291B (en) * | 2009-08-26 | 2011-12-07 | 王鹏 | Electroless energy-conservation water and dust collector |
| CN102879066A (en) * | 2012-09-26 | 2013-01-16 | 天津通广集团数字通信有限公司 | Weigher for paint fog gas filtration residues |
| CN103801534A (en) * | 2014-01-27 | 2014-05-21 | 昆山协多利金属有限公司 | Dust sucking tube |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20120826 |