CN110255853A - Air source heat pump sludge drying device - Google Patents
Air source heat pump sludge drying device Download PDFInfo
- Publication number
- CN110255853A CN110255853A CN201910511223.7A CN201910511223A CN110255853A CN 110255853 A CN110255853 A CN 110255853A CN 201910511223 A CN201910511223 A CN 201910511223A CN 110255853 A CN110255853 A CN 110255853A
- Authority
- CN
- China
- Prior art keywords
- filter box
- dust
- heat pump
- gauge
- guide tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of air source heat pump sludge drying devices, are related to air source heat pump dryer technical field.The present invention includes filter box；Top surface is fixedly connected with guide tube side by side in filter box body；Filter box inner top surface is rotatably connected to splined shaft side by side, and splined shaft is located at guide tube；Splined shaft week, side was sliding combined with spline housing；Spline housing week side fixed connection end face gear and swivel nut；Spline housing week, side slidably connected sliding sleeve；Sliding sleeve is rotatably connected to round brush by axle bed.The present invention drives swivel nut and face gear on spline housing to rotate by splined shaft; it is threadedly engaged using swivel nut and guide tube; and face gear is engaged with the gear at round brush both ends; to realize the rotation of round brush and moving up and down along filter screen; achieve the purpose that clear up filter screen; it can be carried out in heat pump work, solving manual cleaning needs the problem of shutting down, influencing production efficiency.
Description
Technical field
The invention belongs to air source heat pump dryer technical fields, dry and fill more particularly to a kind of air source heat pump sludge
It sets.
Background technique
The one kind of air source heat pump as heat pump techniques has the advantages such as use cost is low, easy to operate, safe and clean,
Therefore it is widely used in drying field.Existing air source heat pump sludge drying apparatus, in order to make full use of the exhaust gas of exclusion
Waste heat, the exhaust gas of drying room can be directly connected to the air inlet pipe of heat pump by backwind tube, to realize to the benefit of waste gas residual heat
With.
But contain a large amount of dust in the exhaust gas after sludge drying, therefore filter screen need to be connected in backwind tube, because, ash
The more filter screen of dirt is easy to be blocked, and influences the circulation of exhaust gas；If being replaced or being cleared up by artificial, not only increase
Labor intensity, and often in order to guarantee that security needs operate again after stopping equipment, to be produced to production efficiency
Raw certain influence.
Summary of the invention
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of air source heat pump sludge drying device, including filter box, the filter box two sides point
Air inlet and air outlet are not provided with it；
The filter box inner bottom surface offers dust mouth；The filter box outer bottom is removably connected with and dust mouth
The dust-collecting box of connection；One medial surface of filter box is fixedly connected with a dust-leading board；The dust-leading board is with respect in filter box
Inclined bottom surface setting, and dust-leading board side is fixedly connected with dust mouth edge placement；
The filter box inner top surface is fixedly connected with guide tube side by side；The guide tube other end is fixed with dust-leading board upper surface
Connection；The guide tube inner surface is provided with internal screw thread；The guide tube week, side was provided in the axial direction with notch；
The filter box inner top surface is rotatably connected to splined shaft side by side；The splined shaft is located in guide tube, and splined shaft
Axis be overlapped with the axis of guide tube；The splined shaft other end runs through dust-leading board, and is rotatablely connected with filter box inner bottom surface；
The filter box inner top surface is connected with the first U-shaped snap-gauge by pin shaft；The dust-leading board upper surface passes through pin shaft
It is connected with the second U-shaped snap-gauge corresponding with the first U-shaped snap-gauge；
The splined shaft lower end week side is fixedly connected with worm gear；The worm gear is engaged with worm screw；Two worm screws pass through
Transmission shaft and filter box medial surface are rotatablely connected；Rose Box body sidewall is run through in described transmission shaft one end, and is connected with motor；Institute
It states splined shaft week side and is sliding combined with spline housing；
The spline housing week, side was fixedly connected with and the matched swivel nut of guide tube inner surface；The swivel nut week, side was provided with
With the external screw thread of screw-internal thread fit；The spline housing week side fixed connection end face gear；The sliding of spline housing week side connects
It is connected to sliding sleeve；The sliding sleeve is rotatably connected to round brush by axle bed；
The round brush both ends are respectively connected with shaft；The shaft and axle bed are rotatablely connected；Shaft week side is fixed to be connected
It is connected to the gear being meshed with face gear.
Further, the filter box one side is removably connected with case lid.
Further, the first U-shaped snap-gauge and the second U-shaped snap-gauge both ends are fixedly connected with fixed block；The fixed block
It is provided with the through hole to match with pin shaft week side.
Further, pin shaft side surface cover be equipped with two springs, two springs be located at fixed block top and
Lower section.
Further, the first U-shaped snap-gauge one side both ends are fixedly connected to vertical bar；The vertical bar one side array
There are several blend stops.
Further, shaft week side is fixedly connected with runner with respect to vertical bar position；The runner week lateral array
There are several shifting blocks, the shifting block is engaged with blend stop.
Further, the second U-shaped snap-gauge inner bottom surface is evenly equipped with through hole.
The invention has the following advantages:
1, the present invention drives the swivel nut and end-tooth on spline housing by splined shaft by the way that guide tube is arranged in filter box
Wheel rotation, is threadedly engaged with guide tube using swivel nut and face gear is engaged with the gear at round brush both ends, to realize round brush
Rotation and moving up and down along filter screen, achieve the purpose that clear up filter screen, are not required to manual cleaning, can work in heat pump
Middle progress, solving manual cleaning needs the problem of shutting down, influencing production efficiency.
2, the present invention passes through the side fixed-link riser in the first U-shaped snap-gauge and the second U-shaped snap-gauge, riser side array
There is blend stop, connects runner at round brush both ends, runner side array is set ahead；When contact blend stop is set in runner rotation ahead, can will erect
Plate lifts, and the filter screen then by the first U-shaped snap-gauge and the second U-shaped snap-gauge, and between being mounted on integrally lifts, and turns when setting ahead
It is dynamic when being detached from blend stop, the first U-shaped snap-gauge and the second U-shaped snap-gauge under the action of the spring, and the filter screen between being mounted on
It falls rapidly, the effect of vibration is generated, to increase the cleaning efficiency of dust on filter screen.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of air source heat pump sludge drying device of the invention；
Fig. 2 is the structure top view of Fig. 1；
Fig. 3 is the cross-sectional view in the direction A-A in Fig. 2；
Fig. 4 is the structural schematic diagram of spline housing and sliding sleeve；
Fig. 5 is the structural schematic diagram of round brush；
Fig. 6 is the structural schematic diagram of riser；
Fig. 7 is the structural schematic diagram of the second U-shaped snap-gauge；
In attached drawing, parts list represented by the reference numerals are as follows:
1- filter box, 2- guide tube, 3- splined shaft, 4- the first U-shaped snap-gauge, 5- the second U-shaped snap-gauge, 6- spline housing, 7- rolling
Brush, 11- air inlet, the gas outlet 12-, 13- dust-collecting box, 14- motor, 15- case lid, the dust mouth 101-, 102- dust-leading board, 301- snail
Wheel, 302- worm screw, 401- vertical bar, 402- blend stop, 501- fixed block, 502- through hole, 503- spring, 504- through hole, 601-
Swivel nut, 602- face gear, 603- sliding sleeve, 604- axle bed, 701- shaft, 702- gear, 703- runner, 704- shifting block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " side ", "top", " in ",
Indicating positions or the positional relationship such as " one end ", "inner", " side ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
The present invention is a kind of air source heat pump sludge drying device, as shown in Figure 1, including filter box 1, filter box 1
Two sides are respectively arranged with air inlet 11 and gas outlet 12；Air inlet 11 is connected to the backwind tube of drying unit, gas outlet 12 with
The air inlet of air source heat pump is connected to；
As shown in Figures 2 and 3,1 inner bottom surface of filter box offers dust mouth 101；1 outer bottom of filter box is detachably connected
There is the dust-collecting box 13 being connected to dust mouth 101, dust-collecting box 13 is for being collected the dust cleared up；Filter box 1 one
Medial surface is welded with a dust-leading board 102；Dust-leading board 101 is obliquely installed with respect to 1 inner bottom surface of filter box, and 102 side of dust-leading board
It is fixedly connected with 101 edge placement of dust mouth；It, under the effect of gravity will be along dust-leading board when dust is fallen on dust-leading board 10
10 inclined surface slides in dust inlet and outlet port 101, so that dust be made to collect into dust-collecting box 13, effectively raises in filter box 1
The completeness of dust cleaning, prevents dust from being brought into return air duct by secondary；
1 inner top surface of filter box is fixedly connected side by side there are two guide tube 2；2 other end of guide tube and 101 upper surface of dust-leading board are solid
Fixed connection；2 inner surface of guide tube is provided with internal screw thread；2 weeks sides of guide tube are provided in the axial direction with notch；
1 inner top surface of filter box is rotatably connected to splined shaft 3 side by side；Splined shaft 3 is located in guide tube 2, and the axis of splined shaft 3
Line is overlapped with the axis of guide tube 2；3 other end of splined shaft runs through dust-leading board 101, and is rotatablely connected with 1 inner bottom surface of filter box；
1 inner top surface of filter box is connected with the first U-shaped snap-gauge 4 by pin shaft；101 upper surface of dust-leading board is connected by pin shaft
There is second U-shaped snap-gauge 5 corresponding with the first U-shaped snap-gauge 4；First U-shaped snap-gauge 4 and the second U-shaped snap-gauge 5 be used for filter screen into
Row is fixed, and filter screen upper end is fixed in the first U-shaped snap-gauge 4, and filter screen lower end is fixed in the second U-shaped snap-gauge 5；It can be
The two sides of first U-shaped snap-gauge 4 and the second U-shaped snap-gauge 5 open up threaded hole, and filter screen is fixed by screw；
3 lower end week of splined shaft, side was fixedly connected with worm gear 301；Worm gear 301 is engaged with worm screw 302, and worm gear 301 is engaged with
Worm screw 302 is all located in the space that dust-leading board 102 and 1 medial surface of filter box and inner bottom surface are enclosed, and can effectively avoid
Influence of the dust to engaged transmission, reduces the abrasion between part；Two worm screws 302 are turned by transmission shaft and 1 medial surface of filter box
Dynamic connection；1 side wall of filter box is run through in transmission shaft one end, and is connected with motor 14, and motor 14 passes through attachment base and filter box 1
Lateral surface is fixedly connected；Motor 14 can drive two worm screws 302 simultaneously, so that two splined shafts 3 be driven to rotate simultaneously；
As shown in figure 4,3 weeks sides of splined shaft are sliding combined with spline housing 6；6 weeks sides of spline housing are fixedly connected with and lead
The cylinder matched swivel nut 601 of 2 inner surfaces；601 weeks sides of swivel nut are provided with the external screw thread with screw-internal thread fit, and the rotation of splined shaft 3 can
Synchronous drive spline housing 6 rotates, and using being threadedly engaged for swivel nut 601 and guide tube 2, realizes that the own rotation of spline housing 6 and edge are led
The axial movement of cylinder 2；6 weeks side fixed connection end face gears 602 of spline housing；6 weeks sides of spline housing slidably connect sliding sleeve
603；Sliding sleeve 603 is rotatably connected to round brush 7 by axle bed 604；
7 both ends of round brush are respectively connected with shaft 701；Shaft 701 and axle bed 604 are rotatablely connected；701 weeks sides of shaft are fixed to be connected
It is connected to the gear 702 being meshed with face gear 602, is meshed using face gear 602 and gear 602, to pass through spline
The rotation of set 6 drives round brush 7 to rotate, to realize turning for round brush 7 by the rotation of spline housing 6 and moving up and down along guide tube 2
It is dynamic, while being moved up and down along filtering net surface, to realize the automatic cleaning to filter screen, it is not required to manually clear up, therefore,
It can be carried out in heat pump work, so that solving manual cleaning needs the problem of shutting down, influencing production efficiency.
It preferably, can be by disassembly case lid 15 as shown in Figure 1,1 one side of filter box is removably connected with case lid 15
The replacement of 1 self-filtering net of row filter box is installed or is checked internal part.
Preferably, as shown in fig. 7, the first U-shaped snap-gauge 4 and 5 both ends of the second U-shaped snap-gauge are fixedly connected with fixed block 501；Gu
Determine block 501 and is provided with the through hole 502 to match with pin shaft week side；Pin shaft side surface cover is equipped with two springs 503, two springs 503
Be located above and below fixed block 501, thus make the first U-shaped snap-gauge 4 and the second U-shaped snap-gauge 5 in the vertical direction by
Spring 503 is supported；
First U-shaped snap-gauge, 4 one side both ends have been connected by screw to vertical bar 401, waist-shaped hole are opened up on vertical bar 401, just
Spacing between the upper and lower position or the first U-shaped snap-gauge 4 and the second U-shaped snap-gauge 5 for adjusting vertical bar 401, it is convenient to filter screen
It is fixed；
As it can be seen in figures 5 and 6,401 one side array of vertical bar has several blend stops 402；701 weeks sides of shaft are with respect to vertical bar 401
Position is fixedly connected with runner 703；703 weeks lateral arrays have several shifting blocks 704, and shifting block 704 is engaged with blend stop 402；
When the rotation of runner 703, when making to set 704 contact blend stop 402 ahead, 704 are set ahead as the rotation of runner 703 can be to riser
401 generate upward power, and the filter screen thus by the first U-shaped snap-gauge 4 and the second U-shaped snap-gauge 5, and between being mounted on integrally is lifted
It rises, when setting 704 rotations ahead and blend stop 402 is detached from, first U-shaped snap-gauge 4 and the second U-shaped snap-gauge 5 under the action of spring 503,
And the filter screen between being mounted on falls rapidly, so that the effect of vibration is generated, it is effective to improve to dust on filter screen
Cleaning effect increases the cleaning efficiency of dust on filter screen.
Preferably, as shown in fig. 7,5 inner bottom surface of the second U-shaped snap-gauge is evenly equipped with through hole 504, through hole 504, convenient for that will fall
The dust for entering the second U-shaped snap-gauge 5 is discharged to dust-leading board 102, and relatively fixed block 501 is also fixedly connected with gear in the second U-shaped snap-gauge 5
Plate, baffle can prevent pin shaft or 503 filter screen of spring generates abrasion, while improve the stability fixed to filter screen.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. air source heat pump sludge drying device, including filter box (1), filter box (1) two sides are respectively arranged with
Air inlet (11) and gas outlet (12)；It is characterized by:
Filter box (1) inner bottom surface offers dust mouth (101)；Filter box (1) outer bottom is removably connected with
The dust-collecting box (13) being connected to dust mouth (101)；(1) one medial surface of filter box is fixedly connected with a dust-leading board (102)；
The dust-leading board (101) is obliquely installed with respect to filter box (1) inner bottom surface, and dust-leading board (102) side and dust mouth (101) side
It is fixedly connected along position；
Filter box (1) inner top surface is fixedly connected with guide tube (2) side by side；Guide tube (2) other end and dust-leading board (101)
Upper surface is fixedly connected；Guide tube (2) inner surface is provided with internal screw thread；The all sides of the guide tube (2) are provided in the axial direction with slot
Mouthful；
Filter box (1) inner top surface is rotatably connected to splined shaft (3) side by side；The splined shaft (3) is located in guide tube (2),
And the axis of splined shaft (3) is overlapped with the axis of guide tube (2)；Splined shaft (3) other end runs through dust-leading board (101), and with
The rotation connection of filter box (1) inner bottom surface；
Filter box (1) inner top surface is connected with the first U-shaped snap-gauge (4) by pin shaft；Dust-leading board (101) upper surface is logical
It crosses pin shaft and is connected with the second U-shaped snap-gauge (5) corresponding with first U-shaped snap-gauge (4)；
Splined shaft (3) the lower end week side is fixedly connected with worm gear (301)；The worm gear (301) is engaged with worm screw (302)；
Two worm screws (302) are rotatablely connected by transmission shaft and filter box (1) medial surface；Rose Box is run through in described transmission shaft one end
Body (1) side wall, and it is connected with motor (14)；The all sides of the splined shaft (3) are sliding combined with spline housing (6)；
The all sides of the spline housing (6) are fixedly connected with and the matched swivel nut of guide tube (2) inner surface (601)；The swivel nut (601)
All sides are provided with the external screw thread with screw-internal thread fit；The all side fixed connection end face gears (602) of the spline housing (6)；Institute
It states all sides of spline housing (6) and slidably connects sliding sleeve (603)；The sliding sleeve (603) is rotatably connected to round brush by axle bed (604)
(7)；
Round brush (7) both ends are respectively connected with shaft (701)；The shaft (701) and axle bed (604) are rotatablely connected；Described turn
The all sides of axis (701) are fixedly connected with the gear (702) being meshed with face gear (602).
2. air source heat pump sludge drying device according to claim 1, which is characterized in that the filter box (1) one
Side is removably connected with case lid (15).
3. air source heat pump sludge drying device according to claim 1, which is characterized in that the first U-shaped snap-gauge (4)
Fixed block (501) are fixedly connected with second U-shaped snap-gauge (5) both ends；The fixed block (501) is provided with and pin shaft week side phase
The through hole (502) matched.
4. air source heat pump sludge drying device according to claim 3, which is characterized in that pin shaft side surface cover is set
Have two springs (503), two springs (503) are located above and below fixed block (501).
5. air source heat pump sludge drying device according to claim 3, which is characterized in that the first U-shaped snap-gauge (4)
One side both ends are fixedly connected to vertical bar (401)；Vertical bar (401) the one side array has several blend stops (402).
6. air source heat pump sludge drying device according to claim 5, which is characterized in that shaft (701) side
Face is fixedly connected with runner (703) with respect to vertical bar (401) position；The all lateral arrays of the runner (703) have several shifting blocks
(704), the shifting block (704) is engaged with blend stop (402).
7. air source heat pump sludge drying device according to claim 1, which is characterized in that the second U-shaped snap-gauge (5)
Inner bottom surface is evenly equipped with through hole (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511223.7A CN110255853A (en) | 2019-06-13 | 2019-06-13 | Air source heat pump sludge drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511223.7A CN110255853A (en) | 2019-06-13 | 2019-06-13 | Air source heat pump sludge drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110255853A true CN110255853A (en) | 2019-09-20 |
Family
ID=67918069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910511223.7A Pending CN110255853A (en) | 2019-06-13 | 2019-06-13 | Air source heat pump sludge drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110255853A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011162A (en) * | 2021-09-28 | 2022-02-08 | 河北邯峰发电有限责任公司 | Biomass coupling power generation system and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180055319A1 (en) * | 2015-05-19 | 2018-03-01 | Jiangsu Midea Cleaning Appliances Co., Ltd. | Filteration assembly for vacuum cleaner and vacuum cleaner having same |
| CN108392913A (en) * | 2018-05-14 | 2018-08-14 | 卢治东 | A kind of air purifying filter mesh dust-extraction unit for there is woollen blanket bedroom |
| CN207872371U (en) * | 2017-12-21 | 2018-09-18 | 青岛海棠万达工贸有限公司 | Powder mull reclaimer |
-
2019
- 2019-06-13 CN CN201910511223.7A patent/CN110255853A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180055319A1 (en) * | 2015-05-19 | 2018-03-01 | Jiangsu Midea Cleaning Appliances Co., Ltd. | Filteration assembly for vacuum cleaner and vacuum cleaner having same |
| CN207872371U (en) * | 2017-12-21 | 2018-09-18 | 青岛海棠万达工贸有限公司 | Powder mull reclaimer |
| CN108392913A (en) * | 2018-05-14 | 2018-08-14 | 卢治东 | A kind of air purifying filter mesh dust-extraction unit for there is woollen blanket bedroom |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011162A (en) * | 2021-09-28 | 2022-02-08 | 河北邯峰发电有限责任公司 | Biomass coupling power generation system and device |
| CN114011162B (en) * | 2021-09-28 | 2023-03-17 | 河北邯峰发电有限责任公司 | Biomass coupling power generation system and device |
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