CN111744764A - Screening sand device for building engineering - Google Patents
Screening sand device for building engineering Download PDFInfo
- Publication number
- CN111744764A CN111744764A CN202010635855.7A CN202010635855A CN111744764A CN 111744764 A CN111744764 A CN 111744764A CN 202010635855 A CN202010635855 A CN 202010635855A CN 111744764 A CN111744764 A CN 111744764A
- Authority
- CN
- China
- Prior art keywords
- feeding
- screen drum
- pipe
- box body
- sand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/26—Revolving drums with additional axial or radial movement of the drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/48—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
- B65G65/4881—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a sand screening device for constructional engineering, which comprises a box body; a screen drum is arranged in the box body, a slag discharge port is formed in a left side plate of the screen drum, a swing frame is sleeved on the outer side of the screen drum, and an upper traction mechanism and a lower traction mechanism are connected to the left side of the swing frame. According to the screening device, the screening of the up-and-down swinging and rotating compound actions of the screen drum is realized through the screen drum provided with the slag discharge port, the swinging frame, the fixed hinge seat, the rotating shaft, the rolling gear, the semicircular rack plate and the up-and-down traction mechanism, so that waste slag is conveniently separated and discharged, and the screening efficiency is improved; the synchronous feeding mechanism is arranged, so that the periodic quantitative feeding of coarse sand is realized, the composite screening action of the screen drum is matched, the screening effect is ensured, and the sand waste is avoided; through being equipped with the spray tube and towards the reverse shower nozzle of row's cinder notch, dry jetting is carried out to the sand grain that the waste residue surface glues to glue, simultaneously, avoids sand grain to discharge from row's cinder notch, improves the sieve yield of sand grain.
Description
Technical Field
The invention relates to the field of buildings, in particular to a sand screening device for constructional engineering.
Background
Traditional screening sand device adopts the vibration sieve board, and the sieve board is held back waste residues such as stone, stuff, blocks up the sieve easily and the waste residue clearance is troublesome simultaneously, influences holistic operating efficiency.
Disclosure of Invention
The invention aims to provide a sand screening device for constructional engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a sand screening device for constructional engineering comprises a box body; a screen drum is arranged in the box body, and a slag discharge port is formed in the left side plate of the screen drum; the outer side of the screen drum is sleeved with a swing frame, a left side plate of the screen drum penetrates through a feeding pipe, the feeding pipe is rotatably connected with the left side plate of the screen drum through a bearing, and the feeding pipe is fixedly connected with the inner wall of the swing frame; the right side of the screen drum is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the inner wall of the swinging frame through a bearing seat; the right side of the swing frame is hinged with the inner wall of the box body through a fixed hinge seat, and the left side of the swing frame is connected with an upper traction mechanism and a lower traction mechanism; and a rolling gear is fixedly sleeved on the rotating shaft, and a semicircular rack plate is meshed with the rolling gear.
As a further scheme of the invention: the screen drum is a hollow cylinder drum which is horizontally arranged, and screen holes which are uniformly distributed are formed in the circumferential surface of the screen drum.
As a further scheme of the invention: the upper and lower traction mechanism comprises a movable hinging seat fixedly connected with the swinging frame, the upper end of the movable hinging seat is hinged with a connecting rod, the connecting rod is hinged with an eccentric disc, the eccentric disc is rotatably connected with the inner wall of the box body through a rotating shaft, and the rotating shaft of the eccentric disc is connected with a driving motor through a driving belt.
As a further scheme of the invention: the centre of a circle of semicircle rack plate and the axis coincidence of the articulated shaft of fixed articulated seat, semicircle rack plate and box inner wall fixed connection.
As a further scheme of the invention: the feeding pipe is communicated with a synchronous feeding mechanism, the synchronous feeding mechanism comprises a blanking barrel, a blanking roller is nested in the blanking barrel, the blanking roller is provided with a fan-shaped groove, the blanking roller is rotatably connected with the blanking barrel through a rotating shaft and extends to the outer side of the box body, and the rotating shaft of the blanking roller is connected with an output shaft of a driving motor through a driving belt; the upper part of the feeding barrel is communicated with a feeding hopper through a feeding pipe, and fine sand of the feeding hopper enters the feeding barrel through the feeding pipe; the lower end of the lower charging barrel is communicated with a receiving cover, and the lower end of the receiving cover is communicated with a feeding pipe through a communicating pipe.
As a further scheme of the invention: spray pipes are arranged in the screen drum, uniformly distributed spray heads are arranged on the spray pipes, and the spray heads uniformly face the opposite direction of the slag discharge port; the spray pipe runs through inlet pipe and swing frame and with swing frame fixed connection, the spray pipe has the air heater through the breather pipe intercommunication, air heater and box outer wall fixed connection.
As a further scheme of the invention: the feeding barrel is a hollow cylinder which is longitudinally arranged.
Compared with the prior art, the invention has the beneficial effects that: according to the screening device, the screening of the up-and-down swinging and rotating compound actions of the screen cylinder is realized through the screen cylinder provided with the slag discharge port, the swinging frame, the fixed hinged seat, the rotating shaft, the rolling gear, the semicircular rack plate and the up-and-down traction mechanism comprising the movable hinged seat, the connecting rod and the eccentric disc, so that waste slag is conveniently separated and discharged, and the screening efficiency is improved; the synchronous feeding mechanism comprises a feeding barrel, a feeding roller, a communicating pipe, a feeding pipe and a feeding hopper, wherein the feeding roller synchronously rotates with an eccentric disc, so that the periodic quantitative feeding of coarse sand is realized, the composite screening action of a screen barrel is matched, the screening effect is ensured, and the sand waste is avoided; through being equipped with the spray tube and towards the reverse shower nozzle of row's cinder notch, dry jetting is carried out to the sand grain that the waste residue surface glues to glue, simultaneously, avoids sand grain to discharge from row's cinder notch, improves the sieve yield of sand grain.
Drawings
FIG. 1 is a schematic view of the internal structure of a sand sieving device for construction;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
fig. 4 is a perspective view of a swing frame in the sand sieving device for construction engineering.
In the figure: 1-a box body; 2-a screen cylinder; 201-a slag discharge port; 3-a rotating shaft; 4-a swing frame; 5-fixing the hinged seat; 6-feeding pipe; 7-moving the hinged seat; 8-connecting rod; 9-eccentric disc; 10-a drive motor; 11-rolling gear; 12-a semicircular rack plate; 13-communicating tube; 14-a receiving cover; 15-feeding the material barrel; 16-a feeding hopper; 17-a blanking roller; 18-a sector groove; 19-a blanking pipe; 20-slag discharge cover; 21-a spray pipe; 22-a spray head; 23-a vent tube; 24-air heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, in an embodiment of the present invention, a sand sieving apparatus for construction engineering includes a box body 1; a screen drum 2 is arranged in the box body 1, the screen drum 2 is a hollow cylindrical drum which is horizontally arranged, uniformly distributed screen holes are formed in the circumferential surface of the screen drum 2, and a slag discharge port 201 is formed in the left side plate of the screen drum 2; the outer side of the screen drum 2 is sleeved with a swing frame 4, a feeding pipe 6 penetrates through the left side plate of the screen drum 2, the feeding pipe 6 is rotatably connected with the left side plate of the screen drum 2 through a bearing, and the feeding pipe 6 is fixedly connected with the inner wall of the swing frame 4; the right side of the screen drum 2 is fixedly connected with a rotating shaft 3, and the rotating shaft 3 is rotatably connected with the inner wall of a swinging frame 4 through a bearing seat; the right side of the swing frame 4 is hinged with the inner wall of the box body 1 through a fixed hinged seat 5, so that the swing frame 4 can swing up and down; swing frame 4 left side is connected with upper and lower drive mechanism, upper and lower drive mechanism include with swing frame 4 fixed connection's removal articulated seat 7, remove articulated seat 7 upper end articulated have a connecting rod 8, connecting rod 8 articulates there is eccentric disc 9, eccentric disc 9 rotates through pivot and 1 inner wall of box to be connected, the pivot of eccentric disc 9 is connected with driving motor 10 through the drive belt, driving motor 10 drives eccentric disc 9 through the drive belt and rotates, eccentric disc 9 drives swing frame 4 through connecting rod 8 and reciprocates.
The rolling gear 11 is fixedly sleeved on the rotating shaft 3, the rolling gear 11 is meshed with the semicircular rack plate 12, the circle center of the semicircular rack plate 12 is overlapped with the central axis of the hinge shaft of the fixed hinge seat 5, the semicircular rack plate 12 is fixedly connected with the inner wall of the box body 1, specifically, when the upper traction mechanism and the lower traction mechanism drive the swinging frame 4 to move up and down, the rolling gear 11 rolls on the semicircular rack plate 12, the rotating shaft 3 drives the screen cylinder 2 to rotate, sand thrown into the screen cylinder is subjected to mountain-down swinging and rotating to screen according with actions, the screening effect is good, the screening effect is more specific, when in an initial state, the screen cylinder 2 is in a horizontal position, the screen cylinder 2 is firstly swung upwards and rotated under the driving of the upper traction mechanism and the lower traction mechanism, fine sand is screened out, when the screen cylinder 2 moves to a horizontal position, waste residues such as stones, battens and the like of the screen cylinder are intercepted and centrifugally thrown out from the residue discharge, the waste residue is conveniently separated, and then the screen drum 2 returns to the horizontal position for next cycle operation.
Example 2
This example differs from example 1 in that: in order to adapt to the swinging action of the screen drum 2, the feeding of coarse sand raw materials is realized, namely the feeding is completed in the process that the screen drum 2 swings upwards from the horizontal position; the feeding pipe 6 is communicated with a synchronous feeding mechanism, the synchronous feeding mechanism comprises a feeding barrel 15, the feeding barrel 15 is a hollow cylinder which is longitudinally arranged, a feeding roller 17 is embedded in the feeding barrel 15, the feeding roller 17 is provided with a fan-shaped groove 18, the radian of the fan-shaped groove 18 is 0.5 pi, the feeding roller 17 is rotatably connected with the feeding barrel 5 through a rotating shaft and extends to the outer side of the box body 1, and the rotating shaft of the feeding roller 17 is connected with an output shaft of a driving motor 10 through a driving belt; the upper part of the blanking barrel 15 is communicated with a feeding hopper 16 through a blanking pipe 19, and fine sand of the feeding hopper 16 enters the blanking barrel 15 through the blanking pipe 19; the lower end of the lower charging barrel 15 is communicated with a receiving cover 14, and the lower end of the receiving cover 14 is communicated with the feeding pipe 6 through a communicating pipe 13; specifically, the driving motor 10 drives the eccentric disc 9 and the discharging roller 17 to rotate synchronously through a driving belt, in an initial state, the screen drum 2 is in a horizontal position, coarse sand materials are filled in the fan-shaped grooves 18 of the discharging roller 17, in the upward swinging process of the screen drum 2, the discharging roller 17 rotates synchronously, the fan-shaped grooves 18 are communicated with the receiving cover 14, the sand materials enter the screen drum through the communicating pipe 13 and the feeding pipe 6, when the screen drum 2 reaches the highest point, the sand materials in the fan-shaped grooves 18 are completely discharged, after the screen drum 2 completes one period of movement, the discharging roller 17 also rotates for one circle, the sand materials are reloaded and return to the initial position, and then the next cycle is entered.
Example 3
This example differs from example 2 in that: in order to improve the screening effect and simultaneously avoid more sand grains adhered on waste residues such as stones and the like; a spray pipe 21 is arranged in the screen drum 2, spray heads 22 which are uniformly distributed are arranged on the spray pipe 21, and the spray heads 22 uniformly face the opposite direction of the slag discharge port; the spray pipe 21 penetrates through the feeding pipe 6 and the swinging frame 4 and is fixedly connected with the swinging frame 4, the spray pipe 21 is communicated with an air heater 24 through a vent pipe 23, and the air heater 24 is fixedly connected with the outer wall of the box body 1; specifically, hot-blast the entering spray tube 21 and spout from shower nozzle 22 through breather pipe 23 that the air heater produced, spout the sieve mesh of a sieve section of thick bamboo 2, avoid the sieve mesh to block up, simultaneously, dry jetting is carried out on the stone waste residue surface that the subtend fell down for glue the sand grain that glues and break away from the stone waste residue, in addition, avoid a small amount of sand grain to roll out from row's cinder notch.
The following are specifically mentioned: the hot air blower is in the prior art; the device comprises a screen drum provided with a slag discharge port, a swing frame, a fixed hinged seat, a rotating shaft, a rolling gear, a semicircular rack plate, an upper traction mechanism and a lower traction mechanism which comprise a movable hinged seat, a connecting rod and an eccentric disc, a synchronous feeding mechanism which comprises a feeding drum, a feeding roller, a communicating pipe, a feeding pipe and a feeding hopper, a spray pipe and a spray head which faces the slag discharge port reversely, wherein the feeding roller and the feeding roller synchronously rotate with the eccentric disc; the screening of the up-and-down swinging and rotating compound action of the screen drum is realized through the screen drum provided with the slag discharge port, the swinging frame, the fixed hinged seat, the rotating shaft, the rolling gear, the semicircular rack plate and the up-and-down traction mechanism comprising the movable hinged seat, the connecting rod and the eccentric disc, so that the waste slag is conveniently separated and discharged, and the screening efficiency is improved; the synchronous feeding mechanism comprises a feeding barrel, a feeding roller, a communicating pipe, a feeding pipe and a feeding hopper, wherein the feeding roller synchronously rotates with an eccentric disc, so that the periodic quantitative feeding of coarse sand is realized, the composite screening action of a screen barrel is matched, the screening effect is ensured, and the sand waste is avoided; through being equipped with the spray tube and towards the reverse shower nozzle of row's cinder notch, dry jetting is carried out to the sand grain that the waste residue surface glues to glue, simultaneously, avoids sand grain to discharge from row's cinder notch, improves the sieve yield of sand grain.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A sand screening device for constructional engineering comprises a box body (1); the novel slag-removing device is characterized in that a screen drum (2) is arranged in the box body (1), and a slag discharging port (201) is formed in the left side plate of the screen drum (2); the outer side of the screen drum (2) is sleeved with a swing frame (4), a feeding pipe (6) penetrates through the left side plate of the screen drum (2), the feeding pipe (6) is rotatably connected with the left side plate of the screen drum (2) through a bearing, and the feeding pipe (6) is fixedly connected with the inner wall of the swing frame (4); the right side of the screen drum (2) is fixedly connected with a rotating shaft (3), and the rotating shaft (3) is rotatably connected with the inner wall of the swinging frame (4) through a bearing seat; the right side of the swinging frame (4) is hinged with the inner wall of the box body (1) through a fixed hinge seat (5), and the left side of the swinging frame (4) is connected with an upper traction mechanism and a lower traction mechanism; and a rolling gear (11) is fixedly sleeved on the rotating shaft (3), and the rolling gear (11) is meshed with a semicircular rack plate (12).
2. The sand screening device for building engineering according to claim 1, wherein the screen cylinder (2) is a horizontally arranged hollow cylinder, and the circumferential surface of the screen cylinder (2) is provided with uniformly distributed screen holes.
3. The sand screening device for the building engineering according to claim 1, wherein the upper and lower traction mechanism comprises a movable hinged seat (7) fixedly connected with the swinging frame (4), a connecting rod (8) is hinged at the upper end of the movable hinged seat (7), an eccentric disc (9) is hinged to the connecting rod (8), the eccentric disc (9) is rotatably connected with the inner wall of the box body (1) through a rotating shaft, and the rotating shaft of the eccentric disc (9) is connected with a driving motor (10) through a transmission belt.
4. The sand screening device for the building engineering according to claim 1, wherein the circle center of the semicircular rack plate (12) coincides with the central axis of the hinge shaft of the fixed hinge seat (5), and the semicircular rack plate (12) is fixedly connected with the inner wall of the box body (1).
5. The sand screening device for the building engineering according to claim 3, wherein the feeding pipe (6) is communicated with a synchronous feeding mechanism, the synchronous feeding mechanism comprises a feeding barrel (15), a feeding roller (17) is nested in the feeding barrel (15), the feeding roller (17) is provided with a fan-shaped groove (18), the feeding roller (17) is rotatably connected with the feeding barrel (5) through a rotating shaft and extends to the outer side of the box body (1), and the rotating shaft of the feeding roller (17) is connected with an output shaft of a driving motor (10) through a transmission belt; the upper part of the discharging barrel (15) is communicated with a feeding hopper (16) through a discharging pipe (19), and fine sand of the feeding hopper (16) enters the discharging barrel (15) through the discharging pipe (19); the lower end of the lower charging barrel (15) is communicated with a receiving cover (14), and the lower end of the receiving cover (14) is communicated with the feeding pipe (6) through a communicating pipe (13).
6. The sand screening device for the building engineering according to claim 5, wherein a spray pipe (21) is arranged in the screen drum (2), spray heads (22) which are uniformly distributed are arranged on the spray pipe (21), and the spray heads (22) uniformly face the opposite direction of the slag discharge port (201); the spray pipe (21) penetrates through the feeding pipe (6) and the swinging frame (4) and is fixedly connected with the swinging frame (4), the spray pipe (21) is communicated with an air heater (24) through a vent pipe (23), and the air heater (24) is fixedly connected with the outer wall of the box body (1).
7. A sand screening device for construction engineering according to claim 6, wherein the blanking barrel (15) is a longitudinally arranged hollow cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010635855.7A CN111744764A (en) | 2020-07-03 | 2020-07-03 | Screening sand device for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010635855.7A CN111744764A (en) | 2020-07-03 | 2020-07-03 | Screening sand device for building engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111744764A true CN111744764A (en) | 2020-10-09 |
Family
ID=72679127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010635855.7A Withdrawn CN111744764A (en) | 2020-07-03 | 2020-07-03 | Screening sand device for building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111744764A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284044A (en) * | 2020-10-29 | 2021-01-29 | 李春群 | High-efficient circulating dehydration drying equipment of sweet potato strip |
| CN115400859A (en) * | 2022-08-16 | 2022-11-29 | 青岛天汇智能机械科技有限公司 | Accurate device that adds of planet rotor roller mill auxiliary material |
-
2020
- 2020-07-03 CN CN202010635855.7A patent/CN111744764A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284044A (en) * | 2020-10-29 | 2021-01-29 | 李春群 | High-efficient circulating dehydration drying equipment of sweet potato strip |
| CN115400859A (en) * | 2022-08-16 | 2022-11-29 | 青岛天汇智能机械科技有限公司 | Accurate device that adds of planet rotor roller mill auxiliary material |
| CN115400859B (en) * | 2022-08-16 | 2024-03-12 | 青岛天汇智能机械科技有限公司 | Accurate interpolation device of planetary rotor sand mixer auxiliary material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111744764A (en) | Screening sand device for building engineering | |
| CN111036538B (en) | Coarse sand screening and drying device for constructional engineering | |
| CN110813474B (en) | Double-impeller impact type sand making machine | |
| CN114798672B (en) | Plant-based biodegradable material manufacturing equipment and process | |
| CN111514813A (en) | A novel vertical granulation machine for pharmaceutical preparation makes | |
| CN210360950U (en) | Shot blasting machine with screening and dust removing functions | |
| CN207478955U (en) | A kind of high-efficiency sand sieve easy to remove | |
| CN213051507U (en) | Aggregate screening device | |
| CN115532364A (en) | Refractory material production is with smashing screening plant | |
| CN203886787U (en) | Particle material screening machine | |
| CN207770265U (en) | A kind of composite fertilizer's rotary screen | |
| CN205463105U (en) | High -efficient sand sieving machine | |
| CN215353755U (en) | Waste material breaker | |
| CN115415029A (en) | Organic fertilizer production screening machine and production method thereof | |
| CN214262645U (en) | Grit separator is used in production of PC prefab | |
| CN115364932A (en) | Building grit rubbing crusher of high-efficient environmental protection | |
| CN111437936B (en) | Recycling and reprocessing process of foaming insulation board | |
| CN213254638U (en) | Dust fall reducing mechanism for recycled concrete | |
| CN113199631A (en) | High-performance concrete production system | |
| CN114768958A (en) | A grinder for powder coating production | |
| CN210876160U (en) | Screening sand machine for screening ecological materials | |
| CN114184014A (en) | Tea leaf preparation equipment and preparation method | |
| CN211164435U (en) | A waste wood processing apparatus for wood processing | |
| CN109201164B (en) | Alum crushing device for sewage treatment | |
| CN113857042A (en) | Concrete processingequipment with addition material screening function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201009 |