CN219309659U - Waste powder purification, drying and screening treatment device - Google Patents
Waste powder purification, drying and screening treatment device Download PDFInfo
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- CN219309659U CN219309659U CN202223179662.9U CN202223179662U CN219309659U CN 219309659 U CN219309659 U CN 219309659U CN 202223179662 U CN202223179662 U CN 202223179662U CN 219309659 U CN219309659 U CN 219309659U
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Abstract
The utility model discloses a waste powder purifying, drying and screening treatment device, which relates to the technical field of waste powder treatment of asphalt mixing stations, and effectively reduces the pollution of waste powder emission to the environment, and the specific scheme is as follows: the waste powder purifying, drying and screening treatment device comprises a waste powder treatment box, wherein clear water is filled in the box; the slope conveying mechanism is arranged in the waste powder treatment box, the tail end of the slope conveying mechanism is positioned at the top of the box, a suspended matter collecting piece is arranged at the top of the box and close to the tail end of the slope conveying mechanism, the suspended matter collecting piece comprises a filter screen and a baffle which are arranged in parallel, and the bottoms of the filter screen and the baffle are connected through a bottom plate to form a suspended matter collecting tank; the drying mechanism is connected with the tail end of the slope conveying mechanism, and a conveyor belt and a heating pipe are arranged in the drying mechanism; the screening mechanism comprises a shell, wherein the top of the shell is connected with a transmission belt, a primary vibrating screen and a secondary vibrating screen which are longitudinally distributed are arranged in the shell, the vibrating screen is obliquely arranged, a three-stage filter screen is arranged at the bottom of the vibrating screen, and a negative pressure pump is arranged at the bottom of the three-stage filter screen.
Description
Technical Field
The utility model relates to the technical field of waste powder treatment of asphalt mixing stations, in particular to a waste powder purifying, drying and screening treatment device.
Background
When asphalt mixing stations produce asphalt mixtures, a large amount of waste powder is inevitably generated, and the waste powder causes harm to the health of workers and environmental pollution. Because the particle sizes of the waste powder are different, and water-soluble matters, light impurities, soil and the like are mixed in the waste powder, the waste powder produced by the asphalt mixing station is inconvenient to recycle, and is mainly used as industrial garbage, and the treatment mode is that dust collection is firstly carried out, and then underground landfill is carried out. However, the underground landfill treatment method occupies a large amount of land resources on one hand and also can pollute the underground water on the other hand.
The waste powder with the same particle size range has certain utilization value, and the purposes of the waste powder with different particle sizes are different, but the waste powder is not provided with a function of multi-stage screening in the current process of collecting the waste powder, so that the waste powder is not beneficial to recycling. In addition, impurities such as soil, greasy dirt, water soluble matters and the like are also present in the waste powder, so that the waste powder cannot be thoroughly purified and screened in the prior art, and the purification, screening and utilization of the waste powder cannot be realized.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a waste powder purifying, drying and screening treatment device, which eliminates the waste powder emission of an asphalt mixing station and effectively reduces the pollution of the waste powder emission to the environment.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
a waste powder purifying, drying and screening treatment device comprises:
the waste powder treatment box is internally provided with a stirring mechanism, and clear water is filled in the box;
the slope conveying mechanism is arranged in the waste powder treatment box, the tail end of the slope conveying mechanism is positioned at the top of the box, a suspended matter collecting piece is arranged at the top of the box and close to the tail end of the slope conveying mechanism, the suspended matter collecting piece comprises a filter screen and a baffle which are arranged in parallel, and the bottoms of the filter screen and the baffle are connected through a bottom plate to form a suspended matter collecting tank;
the drying mechanism is connected with the tail end of the slope conveying mechanism, and a conveyor belt and a heating pipe are arranged in the drying mechanism;
the screening mechanism comprises a shell, wherein the top of the shell is connected with a transmission belt, a primary vibrating screen and a secondary vibrating screen which are longitudinally distributed are arranged in the shell, the vibrating screen is obliquely arranged, a three-stage filter screen is arranged at the bottom of the vibrating screen, and a negative pressure pump is arranged at the bottom of the three-stage filter screen.
As a further implementation mode, the waste powder treatment box comprises a box body shell, wherein a water inlet and a water outlet are formed in one side of the box body shell, a water inlet valve is arranged at the water inlet, and a water discharge valve is arranged at the water outlet.
As a further implementation mode, the stirring mechanism is arranged on the side wall of the box body casing between the water inlet and the water outlet, the stirring mechanism comprises a stirring motor, and an output shaft of the stirring motor penetrates through the side wall of the box body casing and is provided with stirring blades.
As a further implementation manner, the first end of the slope conveying mechanism is arranged close to one side of the bottom of the box body, the second end of the slope conveying mechanism is arranged close to the other side of the top of the box body, and the first end of the slope conveying mechanism is positioned below the stirring mechanism.
As a further implementation manner, a feed inlet is arranged at the top of the case body shell.
As a further implementation, the suspended matter collecting piece is perpendicular to the length direction of the waste powder treatment tank.
As a further implementation mode, the slope conveying mechanism comprises a barrier strip conveying belt, a conveying belt motor is arranged at the top end of the slope conveying mechanism, the conveying belt motor is matched with the barrier strip conveying belt through a driving wheel, the bottom end of the slope conveying mechanism is matched with a driven wheel of the barrier strip conveying belt, and a plurality of barrier strips are uniformly distributed on the barrier strip conveying belt.
As a further implementation mode, guide wheels are respectively arranged at two ends of the slope conveying mechanism, and the guide wheels are matched with two sides of the barrier strip conveying belt.
As a further implementation mode, the drying mechanism comprises an outer shell, the transmission belt is arranged at the bottom of the outer shell and penetrates through the outer shell, the heating pipe is arranged on the inner side wall of the outer shell, and the top cover of the outer shell is provided with an evaporation port.
As a further implementation mode, the primary vibrating screen is positioned at the top of the secondary vibrating screen, the aperture of the secondary vibrating screen is smaller than that of the primary vibrating screen, and the top of the screening mechanism is an end cover.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the waste powder treatment box with clear water is arranged, the stirring mechanism is arranged in the box body, and then suspended matters are treated through the suspended matter collecting piece under the conveying of the slope conveying mechanism, so that the waste powder is cleaned and purified. After the waste powder is dried, the waste powder is screened by a multi-stage screening mechanism, so that the waste powder can be reused.
2. The negative pressure pump provided by the utility model realizes the negative pressure condition in the screening mechanism and improves the screening efficiency.
3. According to the utility model, the purified waste powder is subjected to screening treatment, and aggregates with different particle sizes are screened out from the purified waste powder, so that the utilization efficiency and the utilization value of the waste powder are further improved, the problem of waste powder discharge of an asphalt mixing station is solved, and the pollution of waste powder discharge to the environment is effectively reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of the whole structure of a waste powder purifying, drying and screening treatment device in an embodiment of the utility model.
FIG. 2 is a schematic diagram of a waste powder treatment tank in an embodiment of the utility model
FIG. 3 is a schematic structural view of a stirring mechanism in an embodiment of the utility model.
FIG. 4 is a schematic view of a suspension collection member according to an embodiment of the present utility model.
Fig. 5 is a schematic structural view of a slope conveying mechanism in an embodiment of the present utility model.
Fig. 6 is a schematic structural diagram of a drying mechanism according to an embodiment of the present utility model.
FIG. 7 is a schematic diagram of a waste powder screening mechanism in an embodiment of the utility model.
FIG. 8 is a schematic diagram of a primary screening mechanism in an embodiment of the present utility model.
FIG. 9 is a schematic diagram of a two-stage screening mechanism in accordance with an embodiment of the present utility model.
FIG. 10 is a schematic diagram of a three stage screening mechanism in accordance with an embodiment of the present utility model.
In the figure: the mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustration is only schematic.
Wherein: 1. the device comprises a waste powder treatment box, a stirring mechanism, a suspended matter collecting piece, a slope conveying mechanism, a drying mechanism, a screening mechanism and a screening mechanism, wherein the waste powder treatment box is provided with the stirring mechanism, the stirring mechanism is provided with the suspended matter collecting piece, the slope conveying mechanism is provided with the slope conveying mechanism, the waste powder treating box is provided with the slope;
11. the device comprises a box body shell, 12, a feed inlet, 13, a water inlet, 14, a water inlet valve, 15, a water outlet, 16, a drain valve, 21, a stirring motor, 22 and stirring blades;
31. the filter screen 32, the suspended matter collecting tank 33, the baffle plate 41, the baffle strip conveyer belt 42, the conveyer belt motor 43, the driving wheel 44, the driven wheel 45, the lower guide wheel 46 and the upper guide wheel;
51. the conveyor belt, 52, a conveyor belt motor, 53, a heating pipe, 54, an evaporation port, 61, a primary screening mechanism, 611, a first shell, 612, a primary motor, 613 and a primary vibrating screen; 62. a secondary screening mechanism 621, a second shell 622, a secondary motor 623 and a secondary vibrating screen; 63. the third-stage screening mechanism 631, the third shell 632, the negative pressure pump 633 and the third-stage filter screen; 64. an end cap.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
Example 1
In an exemplary embodiment of the present utility model, referring to fig. 1 to 9, a waste powder purifying, drying and screening apparatus includes a waste powder treating tank 1, a drying mechanism 5 and a screening mechanism 6, which are sequentially disposed. The waste powder treatment tank 1 includes a tank housing 11, inside which a slope conveying mechanism 4, a stirring mechanism 2, and a suspended matter collecting member 3 are provided.
As shown in fig. 1 and 2, a water inlet 13 and a water outlet 15 are arranged on one side of the box shell 11 and are respectively used for connecting a water inlet pipe and a water outlet pipe, a water inlet valve 14 is arranged at the water inlet, a water outlet valve 16 is arranged at the water outlet 15, and the water inlet pipe is connected with a water source and is used for injecting water into the box shell. A feed inlet 12 is also arranged on one side of the top of the case body shell, so that waste powder is convenient to feed.
The stirring mechanism 2 is arranged on the side wall of the box body between the water inlet 13 and the water outlet 15, as shown in fig. 3, the stirring mechanism 2 comprises a stirring motor 21, and four stirring blades 22 are arranged on the output shaft of the stirring motor 21. The stirring motor 21 is fixed on the outer side wall of the box body shell 11, the output shaft penetrates through the outer side wall of the box body shell, and the output shaft and the front side wall of the box body shell are arranged in a sealing mode.
As shown in fig. 1 and 5, the slope conveying mechanism 4 is obliquely arranged and is arranged inside the box shell 11, taking the view direction of fig. 5 as an example, the left end of the slope conveying mechanism 4 is low, the right end is high, the left end is positioned at one side of the bottom of the box shell close to the stirring mechanism, the left end is positioned below the stirring fan blade 22, the right end is positioned at the right side wall of the box shell 11, and the right end of the slope conveying mechanism 4 extends out from the right side of the top of the box shell to reach the drying mechanism 5 arranged at the right side of the box shell so as to convey the cleaned waste powder into the drying mechanism 5 for drying.
Further, the right end (tail end) of the slope conveying mechanism 4 comprises a conveying belt motor 42, the conveying belt motor 42 is arranged on the outer wall of the box shell 11, an output shaft of the motor penetrates through the shell and then is matched with two driving wheels 43, and the two driving wheels 43 are matched through a transmission shaft. The left end of the slope conveying mechanism 4 is correspondingly provided with a driven wheel 44, the driving wheel 43 and the driven wheel 44 are matched with the barrier strip conveying belt 41, and the barrier strip conveying belt 41 is a flexible conveying belt. Driven by the conveyer belt motor 42, the driving and driven wheels drive the barrier strip conveyer belt 41 to move, and a plurality of barrier strips are uniformly arranged on the barrier strip conveyer belt 41. Preventing the waste powder from sliding off.
As shown in fig. 5, two lower guide wheels 45 and two upper guide wheels 46 are further arranged on the inner side wall of the box body shell, the lower guide wheels 46 are arranged close to the left end of the barrier strip conveying belt, the upper guide wheels 46 are arranged close to the right end of the barrier strip conveying belt, and the four guide wheels are arranged in pairs and are in butt fit with the barrier strip conveying belt. The lower guide wheel 45 is abutted against the top of the barrier strip conveying belt, and the upper guide wheel 46 is abutted against the bottom of the barrier strip conveying belt, so that the two ends of the barrier strip conveying belt are horizontal, and waste powder can be transported conveniently.
As shown in fig. 6, the drying mechanism 5 also includes a housing, which is open near the bottom, and the opening is connected to the top horizontal end of the barrier strip conveyor belt, so that the purified waste powder is sent into the drying housing. A horizontal conveyor belt 51 is arranged below the opening in the shell, a conveyor belt motor 52 is arranged outside the shell, and an output shaft of the conveyor belt motor penetrates through the shell to be matched with the conveyor belt so as to drive the conveyor belt to drive. The shell is arranged close to the other side of the bottom and is also provided with an opening, so that the conveyor belt is convenient for delivering the dried waste powder to the screening mechanism. The inside wall of the shell is provided with a heating pipe 53, and the heating pipe 53 is externally connected with a power supply and is used for drying waste powder. The top of the housing is provided with an evaporation port 54 to facilitate vapor evacuation.
It can be appreciated that the movement speed of the conveyor belt can be specifically set according to the drying condition, or the opening and closing conditions of the motor of the conveyor belt can be controlled to ensure that the waste powder can be dried absolutely, and the situation that the waste powder is not dried completely can not occur in the embodiment.
As shown in fig. 4, a suspension collecting member 3 is installed at the top of the casing 11 near the end of the slope conveying mechanism, and the suspension collecting member 3 is used for collecting the suspended particles of the waste powder suspended at the top of the aqueous solution.
The suspension collecting member 3 comprises a screen 31 and a baffle 33 arranged in parallel, and the bottoms of the screen 31 and the baffle 33 are connected by a bottom plate to form a U-shaped suspension collecting tank 32. The suspended matter collecting piece 3 is perpendicular to the length direction of the waste powder treatment box. The filter screen 31 is used for filtering suspended waste powder particles with smaller particle size; the suspension collection tank 32 is used for precipitating suspension particles passing through the screen 31; the baffle 33 serves to prevent the particles of suspended matter from being doped into the particles of sediment.
As shown in fig. 7-10, the end of the conveyor belt is positioned at the top of the screening mechanism, which is an end cap. The screening mechanism includes a primary screening mechanism 61, a secondary screening mechanism 62, and a tertiary screening mechanism 63 disposed longitudinally from top to bottom, and the corresponding housings are a first housing 611, a second housing 621, a third housing 631. The bottom of the third casing 631 is provided with a bottom plate. The first housing 611 and the second housing 621 are not provided with a bottom plate, and the end cap 64 is provided on top of the first housing.
The first shell 611 left end sets up one-level motor 612, and the second shell 621 left end sets up second motor 622, and one-level motor top sets up one-level shale shaker 613, and second motor top sets up second shale shaker 623, and the motor is vibrating motor with the shale shaker contact, and the motor can realize a second grade screen cloth vibration through the motor, improves screening effect. 1. The second-level vibrating screen is obliquely arranged in the corresponding shell, the inclination angles are the same, the directions are the same, and the aperture of the second-level vibrating screen is smaller than that of the first-level vibrating screen.
The third shell 631 is provided with a three-stage screen 633 which is inclined in the same way, a negative pressure pump 632 is arranged on the bottom plate of the third shell, the negative pressure pump 632 is positioned at the bottom of the three-stage screen, and the negative pressure pump 632 is used for forming negative pressure in the whole waste powder screening mechanism 6 so as to promote the screening process of waste powder; the third stage filter 633 is used to collect the waste powder particles having the smallest particle size.
The screening mechanism top cover 64 covers the top end of the waste powder screening mechanism 6 and is detachably arranged, so that the waste powder screening mechanism 6 is kept in a closed state in the process of purifying waste powder screening.
The waste powder screening mechanism 6 can screen the purified waste powder to obtain three waste powder particles with different particle diameters; the screen holes of the primary screen 613 are larger than those of the secondary screen 623. The negative pressure pump 632 is used for forming negative pressure in the waste powder screening mechanism 6, and through the combination of vibration screening and negative pressure screening, three different purified waste powder particles with large, medium and small particle sizes are screened out by the primary vibrating screen 613, the secondary vibrating screen 623 and the tertiary filter screen 633. And finally, the waste powder passing through the primary vibrating screen and the secondary vibrating screen stays at the top of the tertiary filter screen. The pore diameter of the filter screen is enough to ensure that the waste powder cannot pass through the filter screen. The main reason for setting up the filter screen is the negative pressure that is convenient for form in screening mechanism, improves screening efficiency. A small portion of the waste powder passing through the screen is unavoidable but does not affect the overall screening.
In the existing asphalt mixing station, 40 ten thousand tons of asphalt mixture are produced annually, about 8% of waste powder is produced in the asphalt mixture production process, namely 3.2 ten thousand tons of annually produced waste powder, and the waste powder of the asphalt mixing station is reprocessed by adopting the embodiment.
Firstly, uniformly collecting waste powder, and then adopting the device to treat the waste powder; controlling a water inlet valve 14, and filling clean water into the waste powder treatment box 1 through the water inlet 13; the waste powder to be purified and screened is added into the waste powder treatment box 1 through the feed inlet 12 of the waste powder treatment box 1. The waste powder entering the clean water can clean the waste powder and remove soil and greasy dirt.
Controlling the stirring motor 21 to drive the stirring fan blade 22 to fully mix the waste powder with the aqueous solution; the suspension collection member 3 is used to collect suspended particles suspended on an aqueous solution.
Starting a conveyor belt motor 42 of the slope conveying mechanism 4, driving a barrier strip conveyor belt 41 to operate, and conveying the deposited waste powder to be screened into the drying mechanism 5; controlling a drying mechanism conveyor belt motor 52 to drive a drying mechanism conveyor belt 51 to operate, and driving waste powder to be screened to horizontally move in a drying mechanism 5; the heating pipe 53 of the drying mechanism 5 heats and dries the bone waste powder to be screened, and the water vapor is discharged from the evaporation port 54.
Opening the end cover 64, and conveying the dried waste powder to be screened into a first shell 611 of the waste powder screening mechanism 6 by the drying mechanism conveyor belt 51, and when the waste powder has a certain amount, covering the end cover and keeping sealing; the aperture of the first-stage vibrating screen 613 in the waste powder screening mechanism 6 is 0.6 millimeter, and the aperture of the second-stage vibrating screen 623 is 0.075 millimeter; the negative pressure generated by the negative pressure pump 632 is 4.5Mpa;
after the waste powder screening mechanism 6 is filled with a certain amount of waste powder to be screened, a screening mechanism top cover 64 is covered on the top end of the waste powder screening mechanism 6; starting and controlling a first-stage vibrating screen motor 612 to drive a first-stage vibrating screen 613 to perform vibrating screening on waste powder to be screened; the second-stage vibrating screen motor 622 is started and controlled to drive the second-stage vibrating screen 623 to perform vibrating screening on the waste powder to be screened; starting and controlling the negative pressure pump 632 to perform negative pressure screening on the waste powder to be screened in the waste powder screening mechanism 6; through vibration screening and negative pressure screening, three kinds of screened aggregates with different particle sizes, the particle size of which is more than or equal to 0.6mm, the particle size of which is more than or equal to 0.075mm and the particle size of which is less than or equal to 0.6mm, are finally screened out from the first-stage screening mechanism 61, the second-stage screening mechanism 62 and the third-stage screening mechanism 63 respectively; the three kinds of screening with different particle sizes can be used in other engineering production, and after screening is completed, the end cover is opened, and waste powder is poured out through different shells.
According to the actual production condition of the asphalt mixing station, 200 tons of waste powder can be treated by the device daily, and 190 tons of aggregate and filler which can be used for recycling can be obtained after 200 tons of waste powder is purified; wherein the aggregate with the grain diameter of more than or equal to 0.6mm is about 9.5 tons, the aggregate with the grain diameter of 0.075mm is less than about 34.2 tons of aggregate with the grain diameter of less than 0.6mm, and the filler with the grain diameter of less than or equal to 0.075mm is about 146.3 tons.
The waste powder of this embodiment is through wasing the purification, gets rid of impurity such as earth, greasy dirt, suspended solid, water-soluble thing, and after stoving and screening simultaneously, the screening is the waste powder of different level particle diameter sizes, and particle diameter size is different, and the usage is different.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. Waste powder purification stoving and screening processing apparatus, characterized by that includes:
the waste powder treatment box is internally provided with a stirring mechanism, and clear water is filled in the box;
the slope conveying mechanism is arranged in the waste powder treatment box, the tail end of the slope conveying mechanism is positioned at the top of the box, a suspended matter collecting piece is arranged at the top of the box and close to the tail end of the slope conveying mechanism, the suspended matter collecting piece comprises a filter screen and a baffle which are arranged in parallel, and the bottoms of the filter screen and the baffle are connected through a bottom plate to form a suspended matter collecting tank;
the drying mechanism is connected with the tail end of the slope conveying mechanism, and a conveyor belt and a heating pipe are arranged in the drying mechanism;
the screening mechanism comprises a shell, wherein the top of the shell is connected with a transmission belt, a primary vibrating screen and a secondary vibrating screen which are longitudinally distributed are arranged in the shell, the vibrating screen is obliquely arranged, a three-stage filter screen is arranged at the bottom of the vibrating screen, and a negative pressure pump is arranged at the bottom of the three-stage filter screen.
2. The waste powder purifying, drying and screening device according to claim 1, wherein the waste powder treating box comprises a box body shell, a water inlet and a water outlet are formed in one side of the box body shell, a water inlet valve is arranged at the water inlet, and a water drain valve is arranged at the water outlet.
3. The apparatus for purifying, drying and screening waste powder according to claim 2, wherein the stirring mechanism is disposed on a side wall of the casing between the water inlet and the water outlet, the stirring mechanism comprises a stirring motor, and an output shaft of the stirring motor passes through the side wall of the casing and is provided with stirring blades.
4. The apparatus of claim 1, wherein the first end of the ramp conveyor is disposed adjacent one side of the bottom of the tank and the second end is disposed adjacent the other side of the top of the tank, the first end of the ramp conveyor being disposed below the agitator.
5. The apparatus for purifying, drying and screening waste powder according to claim 2, wherein the top of the housing of the case is provided with a feed inlet.
6. The waste powder purifying, drying and screening apparatus according to claim 1, wherein the suspended matter collecting member is perpendicular to the longitudinal direction of the waste powder treating tank.
7. The waste powder purifying, drying and screening treatment device according to claim 1, wherein the slope conveying mechanism comprises a barrier strip conveying belt, a conveying belt motor is arranged at the top end of the slope conveying mechanism, the conveying belt motor is matched with the barrier strip conveying belt through a driving wheel, a driven wheel is matched with the barrier strip conveying belt at the bottom end of the slope conveying mechanism, and a plurality of barrier strips are uniformly distributed on the barrier strip conveying belt.
8. The apparatus for purifying, drying and screening waste powder according to claim 7, wherein guide wheels are respectively arranged at two ends of the slope conveying mechanism, and the guide wheels are matched with two sides of the barrier strip conveying belt.
9. The device for purifying, drying and screening waste powder according to claim 1, wherein the drying mechanism comprises an outer shell, the transmission belt is arranged at the bottom of the outer shell and penetrates through the outer shell, the heating pipe is arranged on the inner side wall of the outer shell, and the top cover of the outer shell is provided with an evaporation port.
10. The waste powder purifying, drying and screening device according to claim 9, wherein the primary vibrating screen is located at the top of the secondary vibrating screen, the aperture of the secondary vibrating screen is smaller than that of the primary vibrating screen, and the top of the screening mechanism is an end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223179662.9U CN219309659U (en) | 2022-11-25 | 2022-11-25 | Waste powder purification, drying and screening treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223179662.9U CN219309659U (en) | 2022-11-25 | 2022-11-25 | Waste powder purification, drying and screening treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219309659U true CN219309659U (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223179662.9U Active CN219309659U (en) | 2022-11-25 | 2022-11-25 | Waste powder purification, drying and screening treatment device |
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| Country | Link |
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| CN (1) | CN219309659U (en) |
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2022
- 2022-11-25 CN CN202223179662.9U patent/CN219309659U/en active Active
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