CN211613728U - Cleaning device for asphalt aging bottle of rotary film oven - Google Patents
Cleaning device for asphalt aging bottle of rotary film oven Download PDFInfo
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- CN211613728U CN211613728U CN202020133682.4U CN202020133682U CN211613728U CN 211613728 U CN211613728 U CN 211613728U CN 202020133682 U CN202020133682 U CN 202020133682U CN 211613728 U CN211613728 U CN 211613728U
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Abstract
The utility model discloses a cleaning device for asphalt aging bottles of rotary film ovens, wherein a liftable cross rod is arranged above a working box, a driving motor is arranged on the cross rod, two output ends of a speed changer are both connected with fixed clamping sleeves, and the aging bottles can be detachably fixed on the fixed clamping sleeves; a coal oil tank and a first brush are arranged below one fixed clamping sleeve at the bottom of the working box, and a filtering seepage hole and a second brush are arranged below the other fixed clamping sleeve at the bottom of the working box; the bottom of the working box is also provided with a waste liquid collecting box; the working box is also provided with a cleaning liquid box and a water tank; the first brush and the second brush are identical in structure and respectively comprise a metal pipeline, bristles and spray holes for brushing the inner surface of the aging bottle are arranged at the upper part of the metal pipeline, and a sponge block is arranged at the upper end of the metal pipeline; and a heating conductor for heating the aging bottle is arranged in the working box. The device can solve the problem that the manual cleaning of the aged bottle is low in efficiency, inconvenient to operate, harmful to body health and the like.
Description
Technical Field
The utility model belongs to the technical field of the detection of road engineering material, concretely relates to belt cleaning device of rotatory film oven pitch ageing bottle.
Background
Asphalt material is an important part of road material, the performance of the asphalt material determines the service life of asphalt pavement to a great extent, the anti-aging performance of asphalt is one of important indexes of asphalt, and the asphalt pavement is affected by factors such as high temperature, water, ultraviolet radiation and the like in the using process, so that the performance of the asphalt is attenuated. According to JTGE20-2011 test specification of asphalt and asphalt mixture for road engineering, a rotary film oven aging test or a film aging test is generally adopted to measure the quality change of road asphalt, modified asphalt and the like after heating, and the changes of properties such as penetration, viscosity, ductility, brittle point and the like after aging are measured according to needs to evaluate the anti-aging performance of the asphalt after the rotary film is heated. This cleaning method has several disadvantages: (1) the operation is inconvenient, and if the operation force is improper, permanent damage can be caused to the aging bottle; (2) the cleaning efficiency is low, the bottom and the corners of the aging bottle are inconvenient to clean, residual asphalt is adhered, the next aging test is greatly influenced, and if the asphalt used in the test has high consistency, the aging bottle and kerosene can be cleaned by heating; (3) the uncooled aging bottle has higher temperature and is easy to scald operators; (4) workers are in the air mixed with kerosene for a long time and are harmed by sulfur monoxide which is a decomposition product of the kerosene, so that the body health is seriously influenced; (5) manual cleaning wastes a large amount of kerosene, which causes waste of test consumables.
Therefore, it is urgently needed to develop a cleaning device for asphalt aging bottles, which solves the defects brought by the conventional method, and has a positive influence on improving the efficiency of cleaning the aging bottles and the health of experimenters and saving test consumables.
Disclosure of Invention
In order to overcome the defect that above-mentioned prior art exists, the utility model aims to provide a belt cleaning device of rotatory film oven pitch ageing bottle, the device can solve artifical washing ageing bottle inefficiency, operate inconvenient, harmful healthy scheduling problem.
The utility model aims at realizing through the following technical scheme:
a cleaning device for an asphalt aging bottle of a rotary film oven comprises a working box, a kerosene pressurizing pump, a water pressurizing pump and a cleaning liquid pressurizing pump, wherein a liftable cross rod is arranged above the working box, a transmission is arranged on the cross rod, the transmission is provided with an input end and two output ends, the input end of the transmission is connected with a driving motor, the two output ends of the transmission are both connected with a fixed clamping sleeve, and the aging bottle can be detachably fixed on the fixed clamping sleeve; a kerosene tank and a first brush are arranged below one fixed clamping sleeve at the bottom of the working box, a filtering seepage hole and a second brush are arranged below the other fixed clamping sleeve at the bottom of the working box, and an opening is formed in the upper part of the kerosene tank; the bottom of the working box is also provided with a waste liquid collecting box, the filtering seepage hole is communicated with the waste liquid collecting box, and waste liquid passing through the filtering seepage hole can flow into the waste liquid collecting box; the working box is also provided with a cleaning liquid box and a water tank; the inlet of the kerosene pressurizing pump is communicated with the kerosene box, and the outlet of the kerosene pressurizing pump is connected with the lower port of the metal pipeline of the first brush; an inlet of the water pressurizing pump is communicated with the water tank, an inlet of the cleaning liquid pressurizing pump is communicated with the cleaning liquid tank, a lower port of the metal pipeline of the second brush is provided with an electromagnetic valve, an outlet of the water pressurizing pump and an outlet of the cleaning liquid tank are connected with an inlet of the electromagnetic valve, and an outlet of the electromagnetic valve is connected with a lower port of the metal pipeline of the second brush; the first brush and the second brush are identical in structure and respectively comprise a metal pipeline, bristles and spray holes for brushing the inner surface of the aging bottle are arranged at the upper part of the metal pipeline, and a sponge block is arranged at the upper end of the metal pipeline; and a heating conductor for heating the aging bottle is arranged in the working box.
Preferably, fixed cutting ferrule includes the mount pad, is equipped with a plurality of clamping pieces that are the circumference and distribute on the mount pad, but sliding connection between clamping piece and the mount pad, and the clamping piece can be followed the radial slip of mount pad, still is equipped with the spring in the outside of clamping piece on the mount pad, and the spring is used for exerting centripetal force for the clamping piece.
Preferably, a sponge filter layer is arranged at the opening at the upper part of the kerosene box.
Preferably, the horizontal pole is connected with the elevating gear that can drive it and reciprocate, elevating gear includes ball and pole setting, and the equal vertical setting of lead screw of pole setting and ball, the one end of horizontal pole and the nut of ball are connected perpendicularly, are equipped with the diaphragm on the nut, are equipped with the guiding hole that supplies the pole setting to pass on the diaphragm, and the pole setting is followed the guiding hole passes the diaphragm, is connected with on the lead screw and is used for driving its rotatory driving motor.
Preferably, ball and pole setting all set up in the outside of work box, and the lower extreme of ball and pole setting is all fixed to be set up on the work box.
Preferably, the electromagnetic valve is a two-position three-way electromagnetic valve.
Preferably, the heat conductor is disposed at a side close to the first brush.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the cross rod of the utility model can be lifted, so that the aging bottle can be conveniently installed and can be driven to move up and down in the aging bottle cleaning process, and the inner surface of the aging bottle can be fully cleaned; the driving motor can drive the fixed clamping sleeve through the speed reducer to enable the aging bottle to rotate rapidly relative to the cleaning brush, and meanwhile, kerosene is sprayed into the aging bottle through the hole channel through the metal pipeline of the cleaning brush, and the aging bottle is cleaned by combining the heating conductor on the inner wall of the working box and a plurality of rows of brush hairs of the cleaning brush, so that the cleaning efficiency is greatly improved, and the labor intensity of workers is reduced. The kerosene after washing accessible sponge filter layer filters some impurity, but cyclic utilization's kerosene backward flow to the kerosene case in, has realized the cyclic utilization to the experimental consumptive material, has saved the kerosene resource, has also protected the environment. After the aging bottle is preliminarily cleaned by kerosene, the aging bottle is fixed into the right-side clamping sleeve and is cleaned again by using an alkyl sodium sulfonate solution and an aqueous solution respectively, so that the cleaning degree of the aging bottle is improved.
Drawings
FIG. 1 is a cleaning device for an asphalt aging bottle of a rotary film oven of the utility model;
fig. 2 is a schematic view of the fixing clip sleeve of the present invention;
FIG. 3 is a schematic view of the ball screw of the present invention
Fig. 4 is a circuit diagram of the solenoid valve control of the present invention.
Wherein, 1-an aging bottle, 2-a cross bar, 3-a ball screw, 3-1-a screw, 3-2-a nut, 3-3-a transverse plate, 3-4-a vertical rod, 4-a fixed cutting sleeve, 4-1-a clamping piece, 4-2-a spring, 4-3-a mounting seat, 5-a sponge block, 6-a spray hole, 8-a metal pipeline, 9-a base, 10-a heating conductor, 11-a filtering seepage hole, 12-a cleaning liquid tank, 13-a water tank, 14-a coal oil tank, 15-a waste liquid collecting tank, 16-1-a kerosene pressurizing pump, 16-2-a water pressurizing pump, 16-3-a cleaning liquid pressurizing pump, 17-a sponge filter layer and 18-a driving motor, 19-a control box, 20-an electromagnetic valve, 21-a cleaning brush, 22-a driving motor and 23-a work box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the utility model discloses a cleaning device of a rotary thin film oven asphalt aging bottle, including a work box, a kerosene pressurizing pump 16-1, a water pressurizing pump 16-2 and a cleaning liquid pressurizing pump 16-3, a liftable cross rod 2 is arranged above the work box, a speed changer is arranged on the cross rod 2, the speed changer has an input end and two output ends, the input end of the speed changer is connected with a driving motor 18, the two output ends of the speed changer are both connected with a fixed cutting sleeve 4, the aging bottle 1 can be detachably fixed on the fixed cutting sleeve 4; a kerosene tank 14 and a first brush are arranged below one fixed cutting sleeve 4 at the bottom of the working box, a filtering seepage hole 11 and a second brush are arranged below the other fixed cutting sleeve 4 at the bottom of the working box, and an opening is formed in the upper part of the kerosene tank 14; the bottom of the working box is also provided with a waste liquid collecting box 15, the filtering seepage hole 11 is communicated with the waste liquid collecting box 15, and waste liquid passing through the filtering seepage hole 11 can flow into the waste liquid collecting box 15; the working box is also provided with a cleaning liquid box 12 and a water box 13; the inlet of the kerosene pressurizing pump 16-1 is communicated with the kerosene box 14, and the outlet is connected with the lower port of the metal pipeline of the first brush; an inlet of a water pressure pump 16-2 is communicated with the water tank 13, an inlet of a cleaning liquid pressure pump 16-3 is communicated with the cleaning liquid tank 12, a lower port of the metal pipeline of the second brush is provided with an electromagnetic valve 20, an outlet of the water pressure pump 16-2 and an outlet of the cleaning liquid tank 12 are connected with an inlet of the electromagnetic valve 20, and an outlet of the electromagnetic valve 20 is connected with a lower port of the metal pipeline of the second brush; the first brush and the second brush are identical in structure and respectively comprise a metal pipeline, bristles and spray holes for brushing the inner surface of the aging bottle are arranged at the upper part of the metal pipeline, and a sponge block 5 is arranged at the upper end of the metal pipeline; the work box is provided with a heating conductor 10 for heating the aging bottle.
Referring to fig. 2, the fixing clip sleeve 4 includes a mounting seat 4-3, a plurality of clamping pieces 4-1 are circumferentially distributed on the mounting seat, the clamping pieces 4-1 are slidably connected with the mounting seat, the clamping pieces 4-1 can slide along the radial direction of the mounting seat, a spring 4-2 is further arranged on the outer side of the clamping pieces 4-1 on the mounting seat, and the spring 4-2 is used for applying a centripetal force to the clamping pieces 4-1.
Referring to fig. 1, a sponge filter 17 is provided at an opening of an upper portion of the kerosene tank 14.
As a preferred embodiment of the present invention, referring to fig. 1 and fig. 3, the cross rod 2 is connected to a lifting device capable of driving the cross rod to move up and down, the lifting device includes a ball screw 3 and a vertical rod 3-4, the vertical rod 3-4 is vertically arranged with a screw rod 3-1 of the ball screw 3, one end of the cross rod 2 is vertically connected to a nut 3-2 of the ball screw 3, the nut 3-2 is provided with a transverse plate 3-3, the transverse plate 3-3 is provided with a guide hole for the vertical rod 3-4 to pass through, the vertical rod 3-4 passes through the transverse plate 3-3 from the guide hole, and the screw rod 3-1 is connected to a driving motor for driving the screw rod to rotate.
As a preferred embodiment of the present invention, referring to fig. 1, the ball screw 3 and the vertical rod 3-4 are both disposed outside the work box, and the lower ends of the ball screw 3 and the vertical rod 3-4 are both fixedly disposed on the work box.
As the preferred embodiment of the present invention, the solenoid valve 20 is a two-position three-way solenoid valve.
As a preferred embodiment of the present invention, referring to fig. 1, a heat conductor 10 is disposed at a side close to the first brush.
Examples
As shown in fig. 1, the cleaning device for the asphalt aging bottle of the rotary thin-film oven of the embodiment includes a ball screw 3, a control box 19, a heating conductor 10, a fixing ferrule 4, a cleaning brush 21, a driving motor 18, a booster pump 16, and a waste liquid collecting box 15; the ball screw 3 is disposed on the right side outside the work box 23; as shown in fig. 3, a nut 3-2 of the ball screw 3 is fixedly connected with the right end of the cross bar 2; be equipped with the derailleur on horizontal pole 2, the derailleur has an input and two outputs, and the input of derailleur is connected with driving motor 18, and two outputs of derailleur all are connected with fixed cutting ferrule 4, and ageing bottle 1 can be dismantled and be fixed in on the fixed cutting ferrule 4. The driving motor 18 can drive the fixing clamping sleeve 4 to rotate, further drive the aging bottle and the cleaning brush 21 to rotate relatively, and can drive the fixing clamping sleeve 4 to rotate anticlockwise at the speed of 50 rpn/min.
As shown in fig. 1, the center of the fixed cutting sleeve 4 and the center of the cleaning brush 21 are on the same vertical line, so that the cleaning accuracy is ensured; as shown in figure 2, the fixed cutting sleeve 4 is provided with three clamping pieces 4-1 which are uniformly distributed on the mounting seat 4-3, and the back parts of the clamping pieces are provided with springs 4-2, so that the aging bottle is convenient to mount and dismount.
As shown in fig. 1 and fig. 3, when the lead screw 3-1 in the ball screw 3 rotates in the forward direction or the reverse direction under the action of the motor, and the vertical rod 3-4 is arranged, so that when the lead screw 3-1 rotates, the nut does not rotate, but moves up and down along the lead screw, so as to drive the cross rod 2 to move up and down synchronously, and further, the aging bottle makes a linear reciprocating motion together, the reciprocating motion of the aging bottle is driven in such a circulating way, so that the cleaning brush 21 can effectively clean the side wall of the inner surface of the aging bottle, on one hand, the bottom of the aging bottle is cleaned by the sponge block 5 at the top of the cleaning brush 21, on the other hand, the sponge block can play a role in buffering, the damage to the aging bottle due to the direct impact between the bottom of the aging bottle and the metal pipeline caused by the fluctuation of the position when the fixing sleeve 4 moves up and down, the sponge piece still can with ageing bottle bottom effective contact, guarantee the cleaning performance, such design is more effective to the cleaning efficiency has been improved.
As shown in fig. 1, the nozzle holes 6 of the brush 21 can eject the solution while the drive motor rotates the brush, and the inner wall of the degradation bottle can be effectively cleaned.
As shown in fig. 1, a kerosene pressurizing pump 16-1, a water pressurizing pump 16-2 and a cleaning liquid pressurizing pump 16-3 are arranged outside the waste liquid collecting box, and the kerosene pressurizing pump 16-1, the water pressurizing pump 16-2 and the cleaning liquid pressurizing pump 16-3 are all connected with a control box 19; the control box 19 is arranged outside the working box; the lower port of the right metal pipeline is provided with an electromagnetic valve 20, the electromagnetic valve 20 is a two-position three-way electromagnetic valve, the electromagnetic valve 20 is connected with a water pressure pump 16-2 and a cleaning liquid pressure pump 16-3 through a PLC, and a control circuit of the electromagnetic valve 20 is shown in figure 3.
As shown in fig. 4, the solenoid valve 20 can control the water tank and the cleaning liquid pressure pump through the PLC, firstly, the switch KT0 is pressed, the delay opening switch KT1 is closed, the cleaning liquid pressure pump 16-3 is in a working state, cleaning of residual kerosene by the cleaning liquid is carried out, the switch 1 is opened after 2 minutes, the delay closing switch KT2 is closed, and the water tank pressure pump 16-2 is in a working state, and the cleaning liquid is washed.
As shown in fig. 1, a sponge filter layer 17 is arranged at an opening at the top of the kerosene tank 14, the sponge filter layer 17 is used for filtering impurities in the kerosene, and the clean kerosene flows back into the kerosene tank through seepage holes of the sponge filter layer, so that the recycling of the kerosene is realized, test consumables are greatly saved, and the environment is protected; the filtration seepage holes 11 are communicated with the waste liquid collecting box 15, and the cleaning waste liquid can flow back to the waste liquid collecting box 15 through the filtration seepage holes 11, so that the environmental protection is realized; heating conductors 10 are arranged on the inner walls of the two sides of the working box and connected with a control box 19, and the heating conductors 10 can heat the working environment in the cleaning process, so that the cleaning of the asphalt in the aging bottle is facilitated.
The utility model particularly operates as follows, when the asphalt rotating film heating experiment is finished, the aging bottle 1 is taken out, the lead screw drives the cross rod 2 to ascend, the aging bottle 1 is fixed on the cutting sleeve 4, the lead screw drives the cross rod 2 to descend, and the cleaning brush 21 is ensured to be positioned in the aging bottle 1; the operation control box 19 opens the heating function and simultaneously starts the driving motor 18, controls the left fixed cutting sleeve 4 to rotate and the screw rod to rotate, and controls the screw rod to rotate forward and backward, and the forward and backward rotating angles are the same, so that the aging bottle can be controlled to move up and down in a reciprocating manner according to the preset formation, meanwhile, the kerosene pressurizing pump 16-1 starts to work, the metal pipeline 8 on the left side sprays kerosene to the inner wall of the aging bottle through the spray hole 6, the cleaning efficiency can be effectively improved by combining the heating of the heating conductor 10, the kerosene after primary cleaning can be filtered by the sponge filter layer 17 to remove impurities, the filtered kerosene can flow back to the kerosene box 14, and the recycling of the kerosene is realized. After the primary cleaning, the operation control box 19 closes the driving motor 18, the cross rod 2 is lifted, the aging bottle 1 is taken down and fixed in the right fixing clamping sleeve 4, and the cross rod 2 is lowered to ensure that the cleaning brush 21 is positioned in the aging bottle 1; the control box 19 is operated to start the driving motor 18, the right fixed cutting sleeve 4 is controlled to rotate and the screw rod is controlled to rotate, the screw rod rotates forward and backward, the forward and backward rotation angles are the same, so that the aging bottle can be controlled to move up and down in a reciprocating mode according to the preset form, the KT0 button is pressed, the cleaning fluid pressure pump 16-3 starts to work, the metal pipeline 8 on the right side sprays cleaning fluid to the inner wall of the aging bottle through the spray hole 6, the cleaning fluid cleans kerosene in the aging bottle 1, after 2 minutes, the cleaning fluid pressure pump 16-3 is automatically switched off, the water pressure pump 16-2 automatically works, the metal pipeline 8 on the right side sprays water to the inner wall of the aging bottle through the spray hole 6, the water washes residual cleaning fluid, the cleaning waste fluid flows down from the opening of the aging bottle and then falls on the filtration seepage hole 11, the cleaning waste fluid is primarily filtered by the filtration seepage, the environmental protection is realized. If the aging bottle is not cleaned completely at one time, the test personnel repeatedly take the above operations to repeatedly clean the aging bottle.
In conclusion, the utility model discloses can solve artifical ageing bottle inefficiency of washing, operate inconvenient, the harmful health scheduling problem.
Claims (7)
1. The cleaning device for the asphalt aging bottle of the rotary film oven is characterized by comprising a working box, a kerosene pressurizing pump (16-1), a water pressurizing pump (16-2) and a cleaning liquid pressurizing pump (16-3), wherein a liftable cross rod (2) is arranged above the working box, a speed changer is arranged on the cross rod (2), the speed changer is provided with an input end and two output ends, the input end of the speed changer is connected with a driving motor (18), the two output ends of the speed changer are both connected with a fixed clamping sleeve (4), and the aging bottle (1) can be detachably fixed on the fixed clamping sleeve (4); a kerosene tank (14) and a first brush are arranged below one fixed clamping sleeve (4) at the bottom of the working box, a filtering seepage hole (11) and a second brush are arranged below the other fixed clamping sleeve (4) at the bottom of the working box, and an opening is formed in the upper part of the kerosene tank (14); the bottom of the working box is also provided with a waste liquid collecting box (15), the filtering seepage holes (11) are communicated with the waste liquid collecting box (15), and waste liquid passing through the filtering seepage holes (11) can flow into the waste liquid collecting box (15); the working box is also provided with a cleaning liquid box (12) and a water box (13); the inlet of the kerosene pressurizing pump (16-1) is communicated with the kerosene tank (14), and the outlet is connected with the lower port of the metal pipeline of the first brush; an inlet of the water pressure pump (16-2) is communicated with the water tank (13), an inlet of the cleaning liquid pressure pump (16-3) is communicated with the cleaning liquid tank (12), a lower port of the metal pipeline of the second brush is provided with an electromagnetic valve (20), an outlet of the water pressure pump (16-2) and an outlet of the cleaning liquid tank (12) are connected with an inlet of the electromagnetic valve (20), and an outlet of the electromagnetic valve (20) is connected with a lower port of the metal pipeline of the second brush;
the first brush and the second brush are identical in structure and respectively comprise a metal pipeline, bristles and spray holes for brushing the inner surface of the aging bottle are arranged at the upper part of the metal pipeline, and a sponge block (5) is arranged at the upper end of the metal pipeline;
a heating conductor (10) for heating the aging bottle is arranged in the working box.
2. The cleaning device for the asphalt aging bottle of the rotary film oven as claimed in claim 1, wherein the fixed cutting sleeve (4) comprises a mounting seat, a plurality of clamping pieces (4-1) are circumferentially distributed on the mounting seat, the clamping pieces (4-1) are slidably connected with the mounting seat, the clamping pieces (4-1) can slide along the radial direction of the mounting seat, a spring (4-2) is further arranged on the outer side of the clamping pieces (4-1) on the mounting seat, and the spring (4-2) is used for applying a centripetal force to the clamping pieces (4-1).
3. The cleaning device for the asphalt aging bottle of the rotary film oven as claimed in claim 1, wherein a sponge filter layer (17) is arranged at the opening of the upper part of the coal oil tank (14).
4. The cleaning device for asphalt aging bottles of rotary film ovens according to claim 1, it is characterized in that the cross bar (2) is connected with a lifting device which can drive the cross bar to move up and down, the lifting device comprises a ball screw (3) and an upright rod (3-4), the upright rod (3-4) and a screw rod (3-1) of the ball screw (3) are vertically arranged, one end of a cross rod (2) is vertically connected with a nut (3-2) of the ball screw (3), a transverse plate (3-3) is arranged on the nut (3-2), a guide hole for the upright rod (3-4) to pass through is formed in the transverse plate (3-3), the upright rod (3-4) passes through the transverse plate (3-3) from the guide hole, and a driving motor for driving the screw rod (3-1) to rotate is connected onto the screw rod.
5. The cleaning device for the asphalt aging bottle of the rotary film oven as claimed in claim 4, wherein the ball screw (3) and the upright (3-4) are both arranged outside the working box, and the lower ends of the ball screw (3) and the upright (3-4) are both fixedly arranged on the working box.
6. The cleaning device for the asphalt aging bottle of the rotary film oven according to claim 1, wherein the electromagnetic valve (20) is a two-position three-way electromagnetic valve.
7. A cleaning device for asphalt ageing bottles in rotary film ovens, according to claim 1, characterised in that the thermal conductor (10) is arranged on the side close to the first brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133682.4U CN211613728U (en) | 2020-01-20 | 2020-01-20 | Cleaning device for asphalt aging bottle of rotary film oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133682.4U CN211613728U (en) | 2020-01-20 | 2020-01-20 | Cleaning device for asphalt aging bottle of rotary film oven |
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| CN211613728U true CN211613728U (en) | 2020-10-02 |
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| CN202020133682.4U Active CN211613728U (en) | 2020-01-20 | 2020-01-20 | Cleaning device for asphalt aging bottle of rotary film oven |
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| CN (1) | CN211613728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474670A (en) * | 2020-11-03 | 2021-03-12 | 徐天笑 | Medical medicine bottle belt cleaning device |
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2020
- 2020-01-20 CN CN202020133682.4U patent/CN211613728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474670A (en) * | 2020-11-03 | 2021-03-12 | 徐天笑 | Medical medicine bottle belt cleaning device |
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