CN213467901U - Preparation device for recycled coarse aggregate - Google Patents
Preparation device for recycled coarse aggregate Download PDFInfo
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- CN213467901U CN213467901U CN202022178935.2U CN202022178935U CN213467901U CN 213467901 U CN213467901 U CN 213467901U CN 202022178935 U CN202022178935 U CN 202022178935U CN 213467901 U CN213467901 U CN 213467901U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The utility model provides a regeneration coarse aggregate preparation facilities, belongs to building material's processing and treatment technical field, concretely relates to device is recycled to recovery of abandonment concrete. The method is characterized in that: including coarse fodder breaker, first fine material breaker, baking equipment, the fine material breaker of second, shale shaker and fountain washing unit, coarse fodder breaker, first fine material breaker, baking equipment, the fine material breaker of second, shale shaker and fountain washing unit pass through the material and deliver device order and link up. The utility model discloses can make the recovery of abandonment concrete test block recycle more high-efficient and save the manual work through reasonable structural design.
Description
Technical Field
The utility model belongs to the technical field of building material's processing, concretely relates to abandonment concrete's recovery and recycle device.
Background
The recycled coarse aggregate is obtained by crushing, separating and screening waste concrete and is mainly applied to a base layer and a subbase layer. The concrete made of the recycled coarse aggregate partially or completely replacing the natural aggregate is called recycled concrete, the preparation of the recycled concrete and the research progress of the performance of the recycled concrete widen the recycling space of the recycled coarse aggregate, and the recycled coarse aggregate has more recycling economic value. The development and utilization of the recycled concrete can solve the problem of construction waste on one hand, save natural sandstone materials on the other hand, and have remarkable recyclable economic benefit.
The preparation method of the recycled aggregate is firstly mechanical crushing, and the preparation of the recycled aggregate needs secondary reinforcement because a large amount of cement mortar is adhered to the surface of the recycled aggregate, the surface has more rough edges and corners, and the aggregate can generate micro cracks under the mechanical action to form a porous structure characteristic. At present, chemical strengthening and physical strengthening are mainly used as methods for strengthening recycled aggregate. Wherein the chemical strengthening is to use pure cement slurry, high-activity ultrafine minerals, silane, PVA, water glass and the like, wherein one or the combination of two of the pure cement slurry, the high-activity ultrafine minerals, the silane, the PVA, the water glass and the like is used for soaking the aggregate for 48 hours so as to improve the physical properties of the aggregate; the physical strengthening is particle shaping or heating modification. The device takes mechanical crushing, particle shaping and heating modification as design concepts, and can prepare the recycled coarse aggregate meeting the requirements of GB/T25177-2010 recycled coarse aggregate for concrete.
Disclosure of Invention
The utility model aims to solve the technical problem that a regeneration coarse aggregate preparation facilities is provided, can make the recovery of abandonment concrete test block recycle more high-efficient through reasonable structural design, and can reduce intensity of labour, save the manual work.
In order to solve the technical problem, the technical scheme of the utility model is that: the provided preparation device for the recycled coarse aggregate is characterized in that: including coarse fodder breaker, first fine material breaker, baking equipment, the fine material breaker of second, shale shaker and fountain washing unit, coarse fodder breaker, first fine material breaker, baking equipment, the fine material breaker of second, shale shaker and fountain washing unit pass through the material and deliver device order and link up.
Preferably, the material delivery device comprises a first material delivery pipe, a second material delivery pipe, a first slope type conveying belt, a second slope type conveying belt and a third slope type conveying belt;
the coarse material crushing device and the first fine material crushing device are sequentially arranged on the first rack from top to bottom, and a discharge port of the coarse material crushing device is connected with a feed port of the first fine material crushing device through a first material delivery pipe;
the baking device and the second fine material crushing device are sequentially arranged on the second rack from top to bottom, and a discharge port of the baking device is connected with a feed port of the second fine material crushing device through a second material delivery pipe;
the discharge port of the first fine material crushing device is connected with the feed port of the baking device through a first slope type material conveying belt; a discharge port of the second fine material crushing device is connected with a feed port of the vibrating screen through a second slope type material conveying belt; the discharge port of the vibrating screen is connected with the feed port of the spray type flushing device through a third slope type material conveying belt.
Preferably, the first material delivery pipe and the second material delivery pipe are funnel-shaped with a large upper part and a small lower part.
Preferably, the coarse material crushing device is a jaw crusher.
Preferably, the first fine material crushing device and the second fine material crushing device both comprise a fine material crusher body, the fine material crusher body comprises a motor box, a rotary drum bracket and a rotary drum, a rotary drum driving motor is arranged in the motor box, and grinding balls are arranged in the rotary drum; the left end surface and the right end surface of the rotary drum are respectively and coaxially fixed with a left rotary shaft and a right rotary shaft, and the left rotary shaft and the right rotary shaft are respectively arranged on the rotary drum bracket through a left bearing support and a right bearing support; a motor shaft of the rotary drum driving motor is connected with the right rotary shaft through a coupler, and the rotary drum driving motor can drive the rotary drum to rotate, so that the grinding balls roll in the rotary drum to extrude and grind materials.
Preferably, a grinding pressure rod and a grinding pressure plate are arranged in the rotary drum; the left rotating shaft is a hollow shaft body, a fixed cross rod penetrates through the left rotating shaft, the left end of the fixed cross rod penetrates through the left rotating shaft and is then fixed on the left side of the rotating drum support in an inserting mode through an Contraband-shaped inserting rod, the right end of the fixed cross rod penetrates through the left end face of the rotating drum and then is vertically connected with a spring sleeve with an opening at the lower end, the upper end of a grinding pressure rod is inserted into the opening at the lower end of the spring sleeve, an annular baffle is fixed on the grinding pressure rod, and a jacking spring is sleeved on the grinding pressure rod between the annular baffle and the upper inner top face of the; a grinding pressure plate is fixed at the lower end of the grinding pressure rod, the grinding pressure plate is an arc-shaped strip plate, and material sieve holes are formed in the grinding pressure plate; a grinding gap is reserved between the grinding pressing plate and the inner wall of the rotary drum; a plurality of fine grinding ball containing grooves are formed in the side wall, facing the inner wall of the rotary drum, of the grinding pressing plate, fine grinding balls are arranged in the grinding gap, and the upper parts of the fine grinding balls are embedded into the fine grinding ball containing grooves;
under the pressure of a jacking spring, a grinding pressure rod and a grinding pressure plate enable fine grinding balls to tightly press the inner bottom surface of the rotary drum and grind materials; when the rotary drum driving motor drives the rotary drum to rotate, after the materials above the grinding pressing plate are ground and crushed by the primary grinding of the grinding balls, the materials fall into the grinding gap through material sieve holes on the grinding pressing plate, and then are further ground and crushed by the fine grinding balls.
Preferably, the baking device comprises a box body, a feeding port of the baking device is arranged on the right side of the top of the box body, and a discharging port of the baking device is arranged on the left side of the bottom of the box body; the ceramic electric heating pipe is arranged on the inner side wall or the inner top wall of the box body; the inner wall of the right side of the box body is hinged with a material bearing plate, the left end of the material bearing plate is connected with the lower end of a pull rope, and the upper end of the pull rope penetrates through a threading hole of an upper top plate of the box body and then is wound on an electric roller; in the feeding and baking processes, the electric roller winds the inhaul cable and pulls the material bearing plate to be in a horizontal state, and after baking is finished, the electric roller releases the inhaul cable to enable the left end of the material bearing plate to move downwards, so that materials are poured into a discharge hole of the baking device.
Preferably, the spray type washing device comprises a washing support, a frustum-shaped outer cylinder body which is large in upper part and small in lower part, closed in lower end and open in upper end is fixed on the washing support, a drain hole is formed below the side wall of the outer cylinder body, and a drain pipe is installed on the drain hole; an inner cylinder driving motor is arranged at the lower part of the outer cylinder, a motor shaft of the inner cylinder driving motor penetrates through a bottom plate of the outer cylinder and then is detachably inserted and fixed at the bottom of the inner cylinder, the inner cylinder is in a frustum shape with large upper part and small lower part, the lower end is closed, and the upper end is open, and a plurality of water permeable holes are formed in the side wall of the inner cylinder; a hoisting handle is arranged at the upper part of the inner cylinder body;
the upper portion of barrel sets up on outer barrel and sprays the retainer plate, set up a plurality of high pressure nozzle on the internal perisporium that sprays the retainer plate, set up a plurality of on each high pressure nozzle and spray the hole, each sprays the hole and all faces interior barrel, and high pressure nozzle sprays the water source through high-pressure delivery pipe and spray the pump connection.
Preferably, an upper rotating shaft sleeve is arranged on the spraying fixing ring, a lower rotating shaft sleeve is arranged on the outer cylinder body or the washing support, rotating shafts are inserted into the upper rotating shaft sleeve and the lower rotating shaft sleeve, and the spraying fixing ring can rotate around the rotating shafts.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses can realize the coarse crushing of concrete waste material, first fine crushing, high temperature toast, fine crushing once more, sieve and wash the operation, obtain the preparation and accord with the regeneration coarse aggregate that GB/T25177 supplyes with medicine 2010 requirement, the preparation full flow realizes automaticly, can effectively reduce intensity of labour, saves the manual work.
2. The utility model discloses creative adding baking equipment at the comminuted in-process and carrying out the high temperature and baking the operation, preliminary fine crushing material is at 300 ℃ high temperature heating 60 minutes, and high temperature does benefit to adnexed cement mortar on the rubble and peels off: the high temperature easily causes cracks in the set cement to accelerate the breaking of the set cement, thereby destroying the bonding between the aggregate and the set cement.
3. Because when carrying out grinding stirring breakage many times, cement etc. that adheres to on the aggregate breaks away from and causes the dust too much, and the healthy experimental environment that also pollutes of damage testing personnel, so when carrying out the stirring and grinding, the design has fountain washing unit, and the delivery port department is less than 4.75 mm's stone bits mortar along with the water outflow, dust pollution when can reducing the operation, also can further wash the aggregate, makes its quality requirement who accords with regulation in the standard more.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the installation structure of the coarse material crushing device and the first fine material crushing device on the first frame;
FIG. 3 is a schematic view of the installation structure of the roasting apparatus and the second fine material crushing apparatus on the second frame;
FIG. 4 is a schematic structural view of a fines crusher body;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic view of the structure of the grinding strut and grinding platen;
FIG. 7 is a schematic structural view of a spray type rinsing device;
in the figure: 1. a jaw crusher;
2. a first fines crushing device; 2.1, fixing the cross rod; 2.2, a left bearing support; 2.3, inserting the rod; 2.4, a spring sleeve; 2.5, tightly pushing the spring; 2.6, an annular baffle; 2.7, grinding the pressure rod; 2.8, grinding the fine materials into balls; 2.9, grinding the gap; 2.10, material sieve pores; 2.11, grinding the pressing plate; 2.12, grinding balls; 2.13, a drum support; 2.14, a motor box; 2.15, a drum driving motor; 2.16, a right bearing support; 2.17, a right rotating shaft; 2.18, a rotating drum; 2.19, a left rotating shaft;
3. a first frame; 4. a first material delivery tube; 5. a first slope type conveying belt; 6. a second frame;
7. a baking device; 7.1, a ceramic electric heating tube; 7.2, a stay cable; 7.3, electric rollers; 7.4, a box body; 7.5, a material bearing plate;
8. a spray-type washing device; 8.1, a rotating shaft; 8.2, rotating the shaft sleeve downwards; 8.3, washing the bracket; 8.4, an outer cylinder body; 8.5, an inner cylinder body; 8.6, water permeable holes; 8.7, driving a motor by the inner cylinder; 8.8, a drain pipe; 8.9, a high-pressure water supply pipe; 8.10, spraying a fixing ring; 8.11, lifting a handle; 8.12, high-pressure spray heads; 8.13, an upper rotating shaft sleeve;
9. a second fines crushing device; 10. a second material delivery tube; 11. a second slope type material conveying belt; 12. vibrating screen; 13. the third slope type material conveying belt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, a regeneration coarse aggregate preparation facilities, including coarse fodder breaker, first fine material breaker, baking equipment, the fine material breaker of second, shale shaker and fountain washing unit, coarse fodder breaker, first fine material breaker, baking equipment, the fine material breaker of second, shale shaker and fountain washing unit pass through the material and deliver the device order and link up.
The material delivery device comprises a first material delivery pipe, a second material delivery pipe, a first slope type conveying belt, a second slope type conveying belt and a third slope type conveying belt.
As shown in fig. 2, the coarse material crushing device and the first fine material crushing device are sequentially mounted on the first frame from top to bottom, and a discharge port of the coarse material crushing device is connected with a feed port of the first fine material crushing device through a first material delivery pipe.
As shown in fig. 3, the baking device and the second fine material crushing device are sequentially installed on the second rack from top to bottom, and the discharge port of the baking device is connected with the feed port of the second fine material crushing device through a second material delivery pipe.
The discharge port of the first fine material crushing device is connected with the feed port of the baking device through a first slope type material conveying belt; a discharge port of the second fine material crushing device is connected with a feed port of the vibrating screen through a second slope type material conveying belt; the discharge port of the vibrating screen is connected with the feed port of the spray type flushing device through a third slope type material conveying belt.
The first material delivery pipe and the second material delivery pipe are funnel-shaped with a large upper part and a small lower part.
The coarse material crushing device is a jaw crusher.
As shown in fig. 4, 5 and 6, each of the first and second fine material crushing devices includes a fine material crusher body, the fine material crusher body includes a motor box, a drum support and a drum, a drum driving motor is disposed in the motor box, and grinding balls are disposed in the drum; the left end surface and the right end surface of the rotary drum are respectively and coaxially fixed with a left rotary shaft and a right rotary shaft, and the left rotary shaft and the right rotary shaft are respectively arranged on the rotary drum bracket through a left bearing support and a right bearing support; a motor shaft of the rotary drum driving motor is connected with the right rotary shaft through a coupler, and the rotary drum driving motor can drive the rotary drum to rotate, so that the grinding balls roll in the rotary drum to extrude and grind materials.
As shown in fig. 4, 5 and 6, a grinding strut and a grinding platen are provided in the drum; the left rotating shaft is a hollow shaft body, a fixed cross rod penetrates through the left rotating shaft, the left end of the fixed cross rod penetrates through the left rotating shaft and is then fixed on the left side of the rotating drum support in an inserting mode through an Contraband-shaped inserting rod, the right end of the fixed cross rod penetrates through the left end face of the rotating drum and then is vertically connected with a spring sleeve with an opening at the lower end, the upper end of a grinding pressure rod is inserted into the opening at the lower end of the spring sleeve, an annular baffle is fixed on the grinding pressure rod, and a jacking spring is sleeved on the grinding pressure rod between the annular baffle and the upper inner top face of the; a grinding pressure plate is fixed at the lower end of the grinding pressure rod, the grinding pressure plate is an arc-shaped strip plate, and material sieve holes are formed in the grinding pressure plate; a grinding gap is reserved between the grinding pressing plate and the inner wall of the rotary drum; the side wall of the grinding pressure plate facing the inner wall of the rotary drum is provided with a plurality of fine grinding ball containing grooves, fine grinding balls are arranged in the grinding gap, and the upper parts of the fine grinding balls are embedded into the fine grinding ball containing grooves.
Under the pressure of a jacking spring, a grinding pressure rod and a grinding pressure plate enable fine grinding balls to tightly press the inner bottom surface of the rotary drum and grind materials; when the rotary drum driving motor drives the rotary drum to rotate, after the materials above the grinding pressing plate are ground and crushed by the primary grinding of the grinding balls, the materials fall into the grinding gap through material sieve holes on the grinding pressing plate, and then are further ground and crushed by the fine grinding balls.
The baking device comprises a box body, a feeding port of the baking device is arranged on the right side of the top of the box body, and a discharging port of the baking device is arranged on the left side of the bottom of the box body; the ceramic electric heating pipe is arranged on the inner side wall or the inner top wall of the box body; the inner wall of the right side of the box body is hinged with a material bearing plate, the left end of the material bearing plate is connected with the lower end of a pull rope, and the upper end of the pull rope penetrates through a threading hole of an upper top plate of the box body and then is wound on an electric roller; in the feeding and baking processes, the electric roller winds the inhaul cable and pulls the material bearing plate to be in a horizontal state, and after baking is finished, the electric roller releases the inhaul cable to enable the left end of the material bearing plate to move downwards, so that materials are poured into a discharge hole of the baking device.
As shown in fig. 7, the spray type washing device comprises a washing bracket, a frustum-shaped outer cylinder body which is large in upper part and small in lower part, closed in lower end and opened in upper end is fixed on the washing bracket, a drain hole is formed below the side wall of the outer cylinder body, and a drain pipe is installed on the drain hole; an inner cylinder driving motor is arranged at the lower part of the outer cylinder, a motor shaft of the inner cylinder driving motor penetrates through a bottom plate of the outer cylinder and then is detachably inserted and fixed at the bottom of the inner cylinder, the inner cylinder is in a frustum shape with large upper part and small lower part, the lower end is closed, and the upper end is open, and a plurality of water permeable holes are formed in the side wall of the inner cylinder; and a hoisting handle is arranged at the upper part of the inner cylinder body.
The upper portion of barrel sets up on outer barrel and sprays the retainer plate, set up a plurality of high pressure nozzle on the internal perisporium that sprays the retainer plate, set up a plurality of on each high pressure nozzle and spray the hole, each sprays the hole and all faces interior barrel, and high pressure nozzle sprays the water source through high-pressure delivery pipe and spray the pump connection.
Offer the upper rotating shaft sleeve on spraying the retainer plate, offer the lower rotating shaft sleeve on outer barrel or washing the support, at last rotating shaft sleeve and lower rotating shaft sleeve interpolation dress pivot, it can rotate around the pivot to spray the retainer plate.
The use process of the device is as follows:
1. coarse crushing
After the test pieces (150 × 150;. 100 × 100;. 200 × 200) were placed in a coarse material crushing device (jaw crusher), the test pieces could be simply crushed into powder and small pieces.
2. Preliminary fine crushing
And (3) transferring the crushed stone in the step (1) into a first fine material crushing device, enabling grinding balls to roll and extrude the ground material in a rotary drum, and enabling the particle size of the material after primary fine crushing to be 37.5-4.75 mm.
3. Modification by heating
Transferring the materials in the step 2 into a baking device, heating for 60 minutes in an environment with a high temperature of 300 ℃, wherein the high temperature is beneficial to stripping cement mortar attached to broken stones: the high temperature easily causes cracks in the set cement to accelerate the breaking of the set cement, thereby destroying the bonding between the aggregate and the set cement.
4. Secondary fine crushing
Conveying the material in the step 3 to a first fine material crushing device, and arranging a grinding pressure rod and a grinding pressure plate in a rotary drum of the first fine material crushing device; the materials can be crushed by rolling extrusion of the grinding balls, the materials smaller than the material sieve pores can also fall into the grinding gap through the material sieve pores, and then are further ground and crushed by the fine material grinding balls.
5. Sieving
And (4) screening the materials in the step (4) by a vibrating screen to remove old cement mortar and small stone chips generated by crushing and grinding.
6. Spray cleaning
And (4) conveying the material screened in the step (5) to an inner cylinder of a spray type washing device, starting a spray pump, enabling each spray hole of a high-pressure spray head to face the inner cylinder to perform high-pressure spray washing operation, driving the inner cylinder to rotate forward and backward by an inner cylinder driving motor in the spray process, and enabling the stone chip mortar smaller than 4.75mm in the material to flow through a drain pipe along with water flow to be discharged.
7. Material taking
The inner cylinder body can be taken out by lifting the lifting handle on the inner cylinder body, and the materials in the inner cylinder body are the recycled coarse aggregate meeting the standard requirement at the moment.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. The technical solution of the present invention is not to be departed from, and any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. A preparation device for recycled coarse aggregate is characterized in that: including coarse fodder breaker, first fine material breaker, baking equipment, the fine material breaker of second, shale shaker and fountain washing unit, coarse fodder breaker, first fine material breaker, baking equipment, the fine material breaker of second, shale shaker and fountain washing unit pass through the material and deliver device order and link up.
2. The recycled coarse aggregate preparation device according to claim 1, wherein: the material delivery device comprises a first material delivery pipe, a second material delivery pipe, a first slope type conveying belt, a second slope type conveying belt and a third slope type conveying belt;
the coarse material crushing device and the first fine material crushing device are sequentially arranged on the first rack from top to bottom, and a discharge port of the coarse material crushing device is connected with a feed port of the first fine material crushing device through a first material delivery pipe;
the baking device and the second fine material crushing device are sequentially arranged on the second rack from top to bottom, and a discharge port of the baking device is connected with a feed port of the second fine material crushing device through a second material delivery pipe;
the discharge port of the first fine material crushing device is connected with the feed port of the baking device through a first slope type material conveying belt; a discharge port of the second fine material crushing device is connected with a feed port of the vibrating screen through a second slope type material conveying belt; the discharge port of the vibrating screen is connected with the feed port of the spray type flushing device through a third slope type material conveying belt.
3. The recycled coarse aggregate preparation device according to claim 2, wherein: the first material delivery pipe and the second material delivery pipe are funnel-shaped with a large upper part and a small lower part.
4. The recycled coarse aggregate preparation device according to claim 2, wherein: the coarse material crushing device is a jaw crusher.
5. The recycled coarse aggregate preparation device according to claim 4, wherein: the first fine material crushing device and the second fine material crushing device respectively comprise a fine material crusher body, the fine material crusher body comprises a motor box, a rotary drum support and a rotary drum, a rotary drum driving motor is arranged in the motor box, and grinding balls are arranged in the rotary drum; the left end surface and the right end surface of the rotary drum are respectively and coaxially fixed with a left rotary shaft and a right rotary shaft, and the left rotary shaft and the right rotary shaft are respectively arranged on the rotary drum bracket through a left bearing support and a right bearing support; a motor shaft of the rotary drum driving motor is connected with the right rotary shaft through a coupler, and the rotary drum driving motor can drive the rotary drum to rotate, so that the grinding balls roll in the rotary drum to extrude and grind materials.
6. The recycled coarse aggregate preparation device according to claim 5, wherein: a grinding pressure rod and a grinding pressure plate are arranged in the rotary drum; the left rotating shaft is a hollow shaft body, a fixed cross rod penetrates through the left rotating shaft, the left end of the fixed cross rod penetrates through the left rotating shaft and is then fixed on the left side of the rotating drum support in an inserting mode through an Contraband-shaped inserting rod, the right end of the fixed cross rod penetrates through the left end face of the rotating drum and then is vertically connected with a spring sleeve with an opening at the lower end, the upper end of a grinding pressure rod is inserted into the opening at the lower end of the spring sleeve, an annular baffle is fixed on the grinding pressure rod, and a jacking spring is sleeved on the grinding pressure rod between the annular baffle and the upper inner top face of the; a grinding pressure plate is fixed at the lower end of the grinding pressure rod, the grinding pressure plate is an arc-shaped strip plate, and material sieve holes are formed in the grinding pressure plate; a grinding gap is reserved between the grinding pressing plate and the inner wall of the rotary drum; a plurality of fine grinding ball containing grooves are formed in the side wall, facing the inner wall of the rotary drum, of the grinding pressing plate, fine grinding balls are arranged in the grinding gap, and the upper parts of the fine grinding balls are embedded into the fine grinding ball containing grooves;
under the pressure of a jacking spring, a grinding pressure rod and a grinding pressure plate enable fine grinding balls to tightly press the inner bottom surface of the rotary drum and grind materials; when the rotary drum driving motor drives the rotary drum to rotate, after the materials above the grinding pressing plate are ground and crushed by the primary grinding of the grinding balls, the materials fall into the grinding gap through material sieve holes on the grinding pressing plate, and then are further ground and crushed by the fine grinding balls.
7. The recycled coarse aggregate preparation device according to claim 6, wherein: the baking device comprises a box body, a feeding port of the baking device is arranged on the right side of the top of the box body, and a discharging port of the baking device is arranged on the left side of the bottom of the box body; the ceramic electric heating pipe is arranged on the inner side wall or the inner top wall of the box body; the inner wall of the right side of the box body is hinged with a material bearing plate, the left end of the material bearing plate is connected with the lower end of a pull rope, and the upper end of the pull rope penetrates through a threading hole of an upper top plate of the box body and then is wound on an electric roller; in the feeding and baking processes, the electric roller winds the inhaul cable and pulls the material bearing plate to be in a horizontal state, and after baking is finished, the electric roller releases the inhaul cable to enable the left end of the material bearing plate to move downwards, so that materials are poured into a discharge hole of the baking device.
8. The recycled coarse aggregate preparation device according to claim 7, wherein: the spray type washing device comprises a washing support, a frustum-shaped outer cylinder body which is large in upper part and small in lower part, closed in lower end and open in upper end is fixed on the washing support, a drain hole is formed below the side wall of the outer cylinder body, and a drain pipe is arranged on the drain hole; an inner cylinder driving motor is arranged at the lower part of the outer cylinder, a motor shaft of the inner cylinder driving motor penetrates through a bottom plate of the outer cylinder and then is detachably inserted and fixed at the bottom of the inner cylinder, the inner cylinder is in a frustum shape with large upper part and small lower part, the lower end is closed, and the upper end is open, and a plurality of water permeable holes are formed in the side wall of the inner cylinder; a hoisting handle is arranged at the upper part of the inner cylinder body;
the upper portion of barrel sets up on outer barrel and sprays the retainer plate, set up a plurality of high pressure nozzle on the internal perisporium that sprays the retainer plate, set up a plurality of on each high pressure nozzle and spray the hole, each sprays the hole and all faces interior barrel, and high pressure nozzle sprays the water source through high-pressure delivery pipe and spray the pump connection.
9. The recycled coarse aggregate preparation device according to claim 8, wherein: offer the upper rotating shaft sleeve on spraying the retainer plate, offer the lower rotating shaft sleeve on outer barrel or washing the support, at last rotating shaft sleeve and lower rotating shaft sleeve interpolation dress pivot, it can rotate around the pivot to spray the retainer plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022178935.2U CN213467901U (en) | 2020-09-29 | 2020-09-29 | Preparation device for recycled coarse aggregate |
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| CN202022178935.2U CN213467901U (en) | 2020-09-29 | 2020-09-29 | Preparation device for recycled coarse aggregate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113769819A (en) * | 2021-10-11 | 2021-12-10 | 淄博大力矿山机械有限公司 | Aggregate production system is recycled to building rubbish |
| CN117160567A (en) * | 2023-11-03 | 2023-12-05 | 福建南方路面机械股份有限公司 | Equipment and method for preparing high-quality recycled aggregate from construction waste |
| CN117491228A (en) * | 2023-12-29 | 2024-02-02 | 三一重型装备有限公司 | Aggregate detecting system |
-
2020
- 2020-09-29 CN CN202022178935.2U patent/CN213467901U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113769819A (en) * | 2021-10-11 | 2021-12-10 | 淄博大力矿山机械有限公司 | Aggregate production system is recycled to building rubbish |
| CN117160567A (en) * | 2023-11-03 | 2023-12-05 | 福建南方路面机械股份有限公司 | Equipment and method for preparing high-quality recycled aggregate from construction waste |
| CN117160567B (en) * | 2023-11-03 | 2024-04-09 | 福建南方路面机械股份有限公司 | Equipment and method for preparing high-quality recycled aggregate from construction waste |
| CN117491228A (en) * | 2023-12-29 | 2024-02-02 | 三一重型装备有限公司 | Aggregate detecting system |
| CN117491228B (en) * | 2023-12-29 | 2024-03-19 | 三一重型装备有限公司 | Aggregate detecting system |
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