CN210935918U - Sand and stone separator - Google Patents
Sand and stone separator Download PDFInfo
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- CN210935918U CN210935918U CN201921621473.8U CN201921621473U CN210935918U CN 210935918 U CN210935918 U CN 210935918U CN 201921621473 U CN201921621473 U CN 201921621473U CN 210935918 U CN210935918 U CN 210935918U
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Abstract
The utility model relates to the field of concrete processing equipment, and discloses a sand-stone separator, which comprises a box body, a stirring paddle and a screen drum, wherein the stirring paddle and the screen drum are rotatably connected in the box body; a cleaning device is arranged on the screen cylinder; the cleaning device comprises a cleaning plate sleeved on the outer surface of the screen cylinder, a brush arranged on the inner side of the cleaning plate, connecting plates arranged on the cleaning plate and close to two sides of the box body, two sliding seats respectively arranged on two sides of the box body and horizontally moving along the length direction of the box body, and driving devices arranged on two sides of the box body and used for driving the sliding seats to move; one side of the sand guide plate is provided with a sand discharge device. The utility model has the advantages of it is following and effect: can in time clear up a sieve section of thick bamboo, effectively prevent that a sieve section of thick bamboo from blockking up.
Description
Technical Field
The utility model relates to a concrete processing equipment field, in particular to sand and stone separator.
Background
The sand-stone separator is also called a concrete sand-stone separator and is a core device of a concrete recovery system. After the concrete tank truck is used, the concrete tank truck contains more useful sand, and the sand is usually separated, so that the sand is recycled.
At present, the chinese utility model patent with publication number CN2038167165U discloses a concrete gravel separator, which comprises an upper cover body, a lower box body, a slurry overflow port, a gravel outlet, a sand outlet, a driving device, a roller separator, a diversion trench, a transmission device and a water pipe.
According to the technical scheme, after the concrete excess is filled into the roller separator from the diversion trench, the separated stones are discharged from the stone outlet, the sand is discharged from the sand outlet, and the concrete excess can be well and thoroughly separated, but the following defects exist: because water often can be adhered to in the concrete clout, when a sieve section of thick bamboo separates the grit, often can lead to the screen cloth to block up, cause the clout separation incomplete, lead to work efficiency low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sand and stone separator, can in time clear up a sieve section of thick bamboo, prevent effectively that a sieve section of thick bamboo from being blockked up to prior art exists not enough.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a sand-stone separator comprises a box body, a stirring paddle and a screen drum, wherein the stirring paddle and the screen drum are rotatably connected in the box body and used for stirring concrete excess materials; a cleaning device is arranged on the screen drum; the cleaning device comprises a cleaning plate sleeved on the outer surface of the screen cylinder, a brush arranged on the inner side of the cleaning plate, connecting plates arranged on the cleaning plate and close to two sides of the box body, two sliding seats respectively arranged on two sides of the box body and horizontally moving along the length direction of the box body, and driving devices arranged on two sides of the box body and used for driving the sliding seats to move; one side of the box body is provided with a sand discharge device.
Through adopting above-mentioned technical scheme, set up cleaning device, can conveniently clean a sieve section of thick bamboo, through drive arrangement, the clean board of drive removes along the axis direction of a sieve section of thick bamboo for the inside brush of clean board rubs with a sieve section of thick bamboo outer wall, clears up the hole of a sieve section of thick bamboo, makes a sieve section of thick bamboo keep unobstructed, can sieve the concrete clout better, clearance convenient and fast is favorable to improving work efficiency, prevents that a sieve section of thick bamboo from being blockked up.
The utility model is further arranged in a way that the driving device comprises two first mounting seats which are arranged on one side of the box body and are arranged at intervals, two second mounting seats which are arranged on the other side of the box body and are arranged at intervals, a screw rod which is rotatably connected on the first mounting seats and is horizontally arranged, a slide bar which is connected on the second mounting seats and is horizontally arranged, and a second motor which is fixedly connected at one end of the screw rod; the sliding seat is in threaded connection with the screw rod, and the upper end of the sliding seat is fixedly connected with the connecting plate; the other sliding seat is sleeved on the sliding rod, and the upper end of the sliding seat is fixedly connected with the connecting plate; the brush is in contact with the outer surface of the screen drum.
Through adopting above-mentioned technical scheme, when a sieve section of thick bamboo is blockked up, through driving the second motor for the lead screw rotates, and the slide with lead screw threaded connection removes along the direction that is on a parallel with a sieve section of thick bamboo axis, thereby drives the cleaning plate and removes along the axis direction of a sieve section of thick bamboo, carries out reciprocal clearance to a sieve section of thick bamboo, is favorable to preventing that a sieve section of thick bamboo from taking place to block up, and the operation of being convenient for improves work efficiency.
The utility model is further provided with a cleaning device arranged in the feed hopper; the cleaning device comprises a third motor fixed on the outer wall of the feed hopper, a rotating rod which is positioned in the feed hopper and is horizontally arranged in the axis direction, and rotating plates which are uniformly distributed on the rotating rod; the bull stick rotates and locates in the feeder hopper, and the one end of bull stick wears to locate behind the outer wall of feeder hopper with the output shaft tip fixed connection of third motor.
By adopting the technical scheme, the feeding hopper can avoid the waste of materials caused by the splashing of concrete excess materials because an operator directly introduces the concrete excess materials into the box body by using the discharge hole of the concrete tank truck; set up cleaning device in the feeder hopper, prevent that the concrete clout from producing the jam to the feeder hopper, the adhesion in the feeder hopper inner wall for carry out the grit separation in the difficult entering screen drum of concrete clout, also be favorable to preventing that rectangular class debris from getting into and twine in the screen drum, prevent that the debris of rectangular class from blockking up the screen drum, the life of extension equipment.
The utility model is further provided with a first chute arranged at one side of the box body and corresponding to the position of the screw rod; a second sliding chute is formed in the other side of the box body and corresponds to the position of the sliding rod; the first sliding groove and the second sliding groove are arranged along the length direction of the box body; the end surfaces, close to the box body, of the two sliding seats are respectively provided with a sliding block; the two sliding blocks are respectively arranged in the first sliding groove and the second sliding groove in a sliding manner.
Through adopting above-mentioned technical scheme, set up first spout and second spout for two slides move along first spout and second spout respectively, thereby restrict the slide, make the removal of cleaning plate more steady, and whole removal efficiency is higher.
The utility model is further provided with that the sand discharge device also comprises an auger conveyor which is arranged obliquely from bottom to top to one side away from the box body and a sand guide plate which is arranged in the box body and is positioned below the screen drum; the sand guide plate is obliquely arranged from bottom to top towards one side close to the feed hopper; the sand and stone discharge pipe penetrates through the sand guide plate; auger conveyor one end pierces through the box and with lead sand board butt, the auger conveyor other end extends the setting to the direction that deviates from the box.
Through adopting above-mentioned technical scheme, will lead the sand board and set to the slope form, fall on the upper surface of leading the sand board to the fine sand particulate matter etc. of separating, roll to the lower side of sand board, be convenient for with on the sieve section of thick bamboo screen separation fine sand guide into flood dragon conveyer on for two departments are separated to the grit in the concrete clout and are derived, avoid both to mix together, can separate the grit better, so that carry out the recycle of different occasions.
The utility model is further arranged in that the outer wall of the box body is provided with a discharge hole communicated with the lower end of the sand stone discharge pipe; the outer wall of the box body is fixedly connected with a material guide plate positioned at the lower end of the discharge port; baffles are arranged on two sides of the material guide plate; the length of the baffle is consistent with that of the material guide plate; a guard plate is arranged above the material guide plate; and one end of the material guide plate, which is far away from the discharge opening, is inclined downwards.
Through adopting above-mentioned technical scheme, set up stock guide and baffle for the grit can be discharged from the stock guide along the grit discharging pipe, and discharge velocity is rapider. The guard plate is arranged, so that sand and stone are not easy to splash when being discharged, and can be stably discharged out of the box body.
The utility model is further arranged that the end surface of the slide block close to the slide groove is provided with a mounting groove; the mounting groove is internally provided with a roller; the roller is arranged in the sliding groove in a rolling mode.
Through adopting above-mentioned technical scheme, become the sliding fit of slide and box outer wall into the rolling fit, avoid spout and the too big removal to the cleaning plate of slider friction to cause the resistance for the slide slides more smoothly, and work efficiency is higher.
The utility model discloses further set up to, one side that the rotor plate deviates from the bull stick is equipped with the flexible scraper blade with the laminating of feeder hopper inner wall.
By adopting the technical scheme, the flexible scraper is arranged, so that the rotating plate is prevented from being easily damaged due to overlarge friction force between the rotating plate and the inner wall of the feed hopper; the service life of the whole equipment is prolonged.
To sum up, the utility model discloses a beneficial technological effect does:
the cleaning device is arranged, so that the screen cylinder can be conveniently cleaned, the cleaning plate is driven to move along the axis direction of the screen cylinder through the driving device, the hairbrush inside the cleaning plate is made to rub against the outer wall of the screen cylinder, holes of the screen cylinder are cleaned, the screen cylinder is kept smooth, concrete excess materials can be better screened, the cleaning is convenient and rapid, the working efficiency is improved, and the screen cylinder is prevented from being blocked;
when the screen cylinder is blocked, the screw rod is rotated by driving the second motor, and the sliding seat in threaded connection with the screw rod moves along the direction parallel to the axis of the screen cylinder, so that the cleaning plate is driven to move along the axis of the screen cylinder, the screen cylinder is cleaned in a reciprocating manner, the screen cylinder is prevented from being blocked, the operation is convenient, and the working efficiency is improved;
to lead the sand board and set to the slope form, the fine sand particulate matter etc. of isolating fall on the upper surface of leading the sand board, roll to the lower one side of sand board, be convenient for with the screen drum on the leading-in flood dragon conveyer of the fine sand that screens out for two departments are derived in separating the grit in the concrete clout, avoid both to mix together, can separate the grit better, so that carry out the recycle of different occasions.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of the inside of a case of the embodiment;
FIG. 3 is a schematic structural view of a cleaning apparatus according to an embodiment;
FIG. 4 is a schematic view of a first chute structure of the embodiment;
fig. 5 is a structural diagram of a second chute of the embodiment.
Reference numerals: 1. a box body; 11. a sandstone discharge pipe; 12. a discharge outlet; 121. a material guide plate; 122. a baffle plate; 123. a guard plate; 13. a first chute; 14. a second chute; 15. a sand guide plate; 2. a screen cylinder; 21. a helical blade; 3. a stirring paddle; 31. a first motor; 4. a cleaning device; 41. cleaning the plate; 42. a brush; 43. a connecting plate; 44. a slide base; 441. a slider; 442. mounting grooves; 443. a roller; 45. a drive device; 451. a first mounting seat; 452. a second mounting seat; 453. a screw rod; 454. a slide bar; 455. a second motor; 5. a feed hopper; 6. a cleaning device; 61. a third motor; 62. a rotating rod; 63. a rotating plate; 64. a flexible scraper; 7. a sand discharge device; 71. an auger conveyor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the sand-stone separator comprises a box body 1, a screen cylinder 2 horizontally arranged in the box body 1, a stirring paddle 3 which is rotatably connected on the box body 1 and is positioned in the screen cylinder 2, a cleaning device 4 arranged on the box body 1, and a feed hopper 5 arranged on one side of the box body 1. The box body 1 is a cuboid with an upper opening structure. The paddles 3 are driven by a first motor 31.
As shown in FIG. 2, a sand discharge pipe 11 is installed in the tank 1. The spiral helical blade 21 extending along the length direction of the screen drum 2 is fixed on the inner wall of the screen drum 2 and is used for guiding the sand in the screen drum 2 to the sand discharging pipe 11. As shown in the figure 1, the outer wall of the box body 1 is provided with a discharge port 12, and the discharge port 12 is communicated with the lower end of the sandstone discharge pipe 11. The outer wall of the box body 1 is fixedly connected with a material guide plate 121 positioned at the lower end of the discharge opening 12. Baffles 122 are formed on both sides of the guide plate 121, and the length of the baffles 122 is the same as that of the guide plate 121. A guard plate 123 is installed above the guide plate 121, and the guard plate 123 is used for preventing sand from scattering around when the sand is discharged. One end of the material guide plate 121 far away from the discharge opening 12 is arranged in a downward inclined mode.
As shown in FIG. 2, a sand discharge device 7 is mounted on the side of the housing 1 close to the sand discharge pipe 11. The sand discharge device 7 comprises an auger conveyor 71 which is obliquely arranged from bottom to top to one side departing from the box body 1 and a sand guide plate 15 which is arranged in the box body 1 and is positioned below the screen drum 2. The sand guide plate 15 is obliquely arranged from bottom to top towards one side close to the feed hopper 5. One end of the packing auger conveyor 71 penetrates through the box body 1 and is abutted against the sand guide plate 15, and the other end of the packing auger conveyor 71 extends in the direction back to the box body 1. One end of the sandstone discharging pipe 11 passes through the sand guide plate 15 and is communicated with the outlet of the screen cylinder 2, and the other end of the sandstone discharging pipe 11 is arranged on one side of the box body 1 in a penetrating way and extends out of the box body 1.
As shown in fig. 1, a cleaning device 4 is mounted on the screen cylinder 2. The cleaning device 4 comprises a cleaning plate 41 sleeved on the outer surface of the screen cylinder 2, a circle of brushes 42 arranged on the inner side of the cleaning plate 41, a connecting plate 43 fixed on the cleaning plate 41 and close to two sides of the box body 1, two sliding seats 44 respectively arranged on two sides of the box body 1, and a driving device 45 arranged on two sides of the box body 1. Both sliders 44 are driven by a driving device 45 and horizontally move along the length direction of the cabinet 1.
As shown in fig. 3, the driving device 45 includes two first mounting seats 451 mounted on one side of the box body 1 and spaced apart from each other, two second mounting seats 452 mounted on the other side of the box body 1 and spaced apart from each other, a screw 453 rotatably connected to the first mounting seats 451, a slide bar 454 connected to the second mounting seats 452, and a second motor 455 fixedly connected to one end of the screw 453. The screw rod 453 and the slide bar 454 are both horizontally arranged on the outer wall of the box body 1. One sliding seat 44 is screwed on the screw 453, and the upper end of the sliding seat 44 is fixedly connected with the connecting plate 43, and the other sliding seat 44 is sleeved on the sliding rod 454, and the upper end of the sliding seat 44 is fixedly connected with the connecting plate 43. The brush 42 is in contact with the outer surface of the screen cylinder 2.
A cleaning device 6 is arranged in the feed hopper 5. Cleaning device 6 is including being fixed in the third motor 61 of feeder hopper 5 outer wall, being located feeder hopper 5 and axis direction horizontal setting's bull stick 62, the rotating plate 63 of equipartition on bull stick 62. The rotating rod 62 is rotatably disposed in the feeding hopper 5, and one end of the rotating rod 62 is fixedly connected with the end of the output shaft of the third motor 61 after penetrating through the outer wall of the feeding hopper 5. The side of the rotating plate 63 facing away from the rotating rod 62 is provided with a flexible scraper 64 attached to the inner wall of the feeding hopper 5.
As shown in fig. 4 and 5, a first slide groove 13 is formed at a position corresponding to the screw 453 on one side of the case 1, and a second slide groove 14 is formed at a position corresponding to the slide bar 454 on the other side of the case 1. The first sliding chute 13 and the second sliding chute 14 are both arranged along the length direction of the box body 1, and sliding blocks 441 are fixedly connected to the end surfaces of the two sliding seats 44, which are close to the box body 1. The slider 441 is provided with a mounting groove 442 on an end surface close to the sliding groove, the mounting groove 442 is rotatably provided with a roller 443, and the roller 443 is rolled in the sliding groove, so that the sliding seat 44 can move along the outer wall of the box body 1, and the friction between the sliding seat 44 and the outer wall of the box body 1 can be reduced.
This embodiment is when using, opens first motor 31 drive stirring rake 3 and rotates, pours the concrete clout into box 1 inside from feeder hopper 5, and great grit is blocked by a sieve section of thick bamboo 2 and is left to fall the bin outlet 12 discharge from grit discharging pipe 11 under the effect of stirring rake 3 gradually. The fine sand particles of smaller particles screened by the screen drum 2 fall onto the sand guide plate 15, and the sand guide plate 15 is inclined, so that the fine sand particles are discharged to a discharge hole of the fine sand by the auger conveyor 71.
Cleaning device 6 in feeder hopper 5 utilizes third motor 61 to drive bull stick 62 and rotates to make rotor plate 63 constantly rotate, make the concrete clout get into and carry out sand and stone separation in the sieve section of thick bamboo 2. When the screen cylinder 2 is blocked, the screw rod 453 is rotated by driving the second motor 455, the slide seat 44 screwed with the screw rod 453 moves along the direction parallel to the axis of the screen cylinder 2, so as to drive the cleaning plate 41 to move along the axis of the screen cylinder 2, and the brush 42 installed inside the cleaning plate 41 performs reciprocating cleaning on the screen cylinder 2.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a sand and stone separator, includes box (1), rotates and connects stirring rake (3) and a sieve section of thick bamboo (2) in box (1), box (1) is the upper shed structure, stirring rake (3) are located a sieve section of thick bamboo (2), one side of box (1) is equipped with feeder hopper (5), characterized by: a gravel discharging pipe (11) is arranged in the box body (1), and one end of the gravel discharging pipe (11) is communicated with one end of the screen cylinder (2); a cleaning device (4) is arranged on the screen drum (2); the cleaning device (4) comprises a cleaning plate (41) sleeved on the outer surface of the screen cylinder (2), a brush (42) arranged on the inner side of the cleaning plate (41), a connecting plate (43) arranged on the cleaning plate (41) and close to two sides of the box body (1), two sliding seats (44) respectively arranged on two sides of the box body (1) and horizontally moving along the length direction of the box body (1), and a driving device (45) arranged on two sides of the box body (1) and used for driving the sliding seats (44) to move; one side of the box body (1) is provided with a sand discharge device (7).
2. A sand separator according to claim 1, wherein: the driving device (45) comprises two first installation seats (451) which are arranged on one side of the box body (1) at intervals, two second installation seats (452) which are arranged on the other side of the box body (1) at intervals, a screw rod (453) which is rotatably connected to the first installation seats (451) and is horizontally arranged, a slide rod (454) which is connected to the second installation seats (452) and is horizontally arranged, and a second motor (455) which is fixedly connected to one end of the screw rod (453); the sliding seat (44) is connected to the screw rod (453) in a threaded mode, and the upper end of the sliding seat is fixedly connected with the connecting plate (43); the other sliding seat (44) is sleeved on the sliding rod (454) and the upper end of the sliding seat is fixedly connected with the connecting plate (43); the brush (42) is abutted against the outer surface of the screen drum (2).
3. A sand separator according to claim 1, wherein: a cleaning device (6) is arranged in the feed hopper (5); the cleaning device (6) comprises a third motor (61) fixed on the outer wall of the feeding hopper (5), a rotating rod (62) positioned in the feeding hopper (5) and horizontally arranged in the axis direction, and rotating plates (63) uniformly distributed on the rotating rod (62); the rotating rod (62) is rotatably arranged in the feed hopper (5), and one end of the rotating rod (62) penetrates through the outer wall of the feed hopper (5) and then is fixedly connected with the end part of an output shaft of the third motor (61).
4. A sand separator according to claim 1, wherein: a first sliding groove (13) is formed in one side of the box body (1) and corresponds to the position of the screw rod (453); a second sliding chute (14) is formed in the other side of the box body (1) and corresponds to the position of the sliding rod (454); the first sliding chute (13) and the second sliding chute (14) are arranged along the length direction of the box body (1); the end surfaces, close to the box body (1), of the two sliding seats (44) are respectively provided with a sliding block (441); the two sliding blocks (441) are respectively arranged in the first sliding groove (13) and the second sliding groove (14) in a sliding manner.
5. A sand separator according to claim 1, wherein: the sand discharge device (7) also comprises an auger conveyor (71) which is obliquely arranged from bottom to top to one side away from the box body (1) and a sand guide plate (15) which is arranged in the box body (1) and is positioned below the screen drum (2); the sand guide plate (15) is obliquely arranged from bottom to top on one side close to the feed hopper (5); the sand and stone discharge pipe (11) penetrates through the sand guide plate (15); auger conveyor (71) one end pierces through box (1) and with lead sand board (15) butt, auger conveyor (71) other end extends the setting to the direction that is kept away from box (1) back.
6. A sand separator according to claim 1, wherein: the outer wall of the box body (1) is provided with a discharge hole (12) communicated with the lower end of the sandstone discharge pipe (11); the outer wall of the box body (1) is fixedly connected with a material guide plate (121) positioned at the lower end of the discharge port (12); baffles (122) are arranged on two sides of the material guide plate (121); the baffle (122) is consistent with the guide plate (121) in length; a guard plate (123) is arranged above the material guide plate (121); one end of the material guide plate (121) far away from the discharge opening (12) is arranged in a downward inclined mode.
7. A sand separator according to claim 4, wherein: the end face, close to the sliding groove, of the sliding block (441) is provided with a mounting groove (442); a roller (443) is arranged in the mounting groove (442); the roller (443) is arranged in the sliding groove in a rolling manner.
8. A sand separator according to claim 3, wherein: and one side of the rotating plate (63) departing from the rotating rod (62) is provided with a flexible scraper (64) attached to the inner wall of the feed hopper (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921621473.8U CN210935918U (en) | 2019-09-26 | 2019-09-26 | Sand and stone separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921621473.8U CN210935918U (en) | 2019-09-26 | 2019-09-26 | Sand and stone separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210935918U true CN210935918U (en) | 2020-07-07 |
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ID=71384661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921621473.8U Active CN210935918U (en) | 2019-09-26 | 2019-09-26 | Sand and stone separator |
Country Status (1)
| Country | Link |
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| CN (1) | CN210935918U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317298A (en) * | 2020-11-30 | 2021-02-05 | 中铁建大桥工程局集团第五工程有限公司 | Sand and stone separation auxiliary device for bridge construction |
| CN113714205A (en) * | 2021-09-04 | 2021-11-30 | 徐州市富瑞达液压科技有限公司 | Hydraulic ore cleaning device and cleaning method |
| CN113769838A (en) * | 2021-08-30 | 2021-12-10 | 渑池县开阳建材有限公司 | Concrete grit separating centrifuge |
| CN115999722A (en) * | 2023-01-10 | 2023-04-25 | 蚌埠格润生物科技有限公司 | Particle size screening equipment for water dispersible granule production |
| CN117920650A (en) * | 2024-03-25 | 2024-04-26 | 国安建设有限公司 | Concrete member cleaning device for municipal works |
-
2019
- 2019-09-26 CN CN201921621473.8U patent/CN210935918U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317298A (en) * | 2020-11-30 | 2021-02-05 | 中铁建大桥工程局集团第五工程有限公司 | Sand and stone separation auxiliary device for bridge construction |
| CN113769838A (en) * | 2021-08-30 | 2021-12-10 | 渑池县开阳建材有限公司 | Concrete grit separating centrifuge |
| CN113769838B (en) * | 2021-08-30 | 2023-01-24 | 渑池县开阳建材有限公司 | Concrete grit separating centrifuge |
| CN113714205A (en) * | 2021-09-04 | 2021-11-30 | 徐州市富瑞达液压科技有限公司 | Hydraulic ore cleaning device and cleaning method |
| CN115999722A (en) * | 2023-01-10 | 2023-04-25 | 蚌埠格润生物科技有限公司 | Particle size screening equipment for water dispersible granule production |
| CN115999722B (en) * | 2023-01-10 | 2024-04-30 | 蚌埠格润生物科技有限公司 | Particle size screening equipment for water dispersible granule production |
| CN117920650A (en) * | 2024-03-25 | 2024-04-26 | 国安建设有限公司 | Concrete member cleaning device for municipal works |
| CN117920650B (en) * | 2024-03-25 | 2024-05-31 | 国安建设有限公司 | Concrete member cleaning device for municipal works |
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Effective date of registration: 20220429 Address after: 230000 room 708-38, Hua'an building, Fuyang North Road, Shuangdun Town, Changfeng County, Hefei City, Anhui Province Patentee after: Hefei water new building materials Co.,Ltd. Address before: 230000 intersection of Nanfei River and Dianbu River, Hebin village, CuO Town, Feidong County, Hefei City, Anhui Province Patentee before: Anhui wogao ready mixed mortar Co.,Ltd. |