CN111468239A - Comprehensive utilization and recovery device and process for building gypsum waste - Google Patents
Comprehensive utilization and recovery device and process for building gypsum waste Download PDFInfo
- Publication number
- CN111468239A CN111468239A CN202010254923.5A CN202010254923A CN111468239A CN 111468239 A CN111468239 A CN 111468239A CN 202010254923 A CN202010254923 A CN 202010254923A CN 111468239 A CN111468239 A CN 111468239A
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- China
- Prior art keywords
- gypsum waste
- transmission shaft
- building gypsum
- shell
- stirring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
- B02C4/18—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a bar
- B02C4/20—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a bar wherein the roller is corrugated or toothed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of building material recycling, and discloses a comprehensive utilization and recycling device for building gypsum waste, which comprises a crushing device and a stirring device, wherein the crushing device comprises a shell, a stirring mechanism, a motor, a swinging mechanism, a grinding roller and an arc-shaped screen assembly; the motor drives the stirring mechanism and the swinging mechanism to move, the swinging mechanism enables the arc-shaped screen assembly to reciprocate through the swinging arm, and the grinding roller rotates to grind materials in the arc-shaped screen assembly. The invention also discloses a process for recovering gypsum waste by using the recovery device, which comprises the steps of drying, crushing and grinding the gypsum waste, stirring and mixing the crushed building gypsum waste and the adhesive, and adding the mixture into a gypsum product for reuse after the mixture becomes a shell. The screen assembly is reciprocated by the swing mechanism, and the grinding roller arranged on the inner side of the screen assembly is matched, so that the screen assembly has the advantages of full grinding, uniform screening, high efficiency and the like, and the gypsum waste is recycled.
Description
Technical Field
The invention belongs to the technical field of building material recycling, and particularly relates to a comprehensive utilization and recycling device and process for building gypsum waste.
Background
Gypsum is a monoclinic mineral and is a hydrate whose main chemical component is calcium sulfate. Gypsum is a widely used industrial and building material. Can be used for cement retarders, gypsum building products, model making, medical food additives, sulfuric acid production, paper fillers, paint fillers and the like. The gypsum and its products have fine sound-proof, heat-insulating and fire-proof properties due to the microporous structure and heat-dewatering property.
The building gypsum waste is a recyclable building waste and has high recycling value. Current patent CN108144679B, the patent name is "sorting unit is smashed to gypsum", it connects the driving shaft to disclose to rotate including driving motor upper end, and driving shaft upper end roll connection drive belt right-hand member, drive belt left end roll connection (mixing) shaft, the (mixing) shaft bearing rotates and connects the storage case, (mixing) shaft fixed connection stirring rod, (mixing) shaft lower part fixed connection carousel, carousel circumference intercommunication siphunculus, siphunculus lower extreme intercommunication baffle pipe, baffle pipe fixed connection storage bottom of the case portion, driving shaft fixed connection gear wheel, gear wheel meshing pinion, pinion fixed connection driven shaft. The device drives the carousel through the (mixing) shaft and rotates and make the reciprocal intercommunication passage of siphunculus, realizes intermittent type unloading, and simultaneously, pivoted (mixing) shaft drives the stirring rod and follows the rotation and prevent that the gypsum from agglomerating not blanking in the storage case, and reciprocal wobbling pendulum board drives the reciprocal horizontal hunting of lagging and sieve simultaneously and then makes the gypsum smash more evenly, and the screening effect is better.
However, the above patents also have the following drawbacks:
1. this patent is carrying out the gypsum when smashing, and through pendulum board reciprocating motion, the material on the sieve is strikeed and is smashed, but the in-process that the gypsum waste material was strikeed downwards to the pendulum board, and the sieve is along with the pendulum board down motion together, and obviously such concerted movement smashes the effect and is not ideal, and the one side of pendulum board is articulated with the casing moreover, and the opposite side is rotated around the pin joint and is strikeed the smashing downwards, and it is limited obviously to swing board effective working face, and crushing efficiency is not high.
2. This patent is when intermittent type nature feeding, siphunculus on the carousel forms the friction with the casing all the time, easily generates heat, and long-term wearing and tearing, and life is not high.
Therefore, how to solve the above technical problems becomes a focus of research by those skilled in the art.
Disclosure of Invention
The invention aims to provide a comprehensive utilization and recovery device and process for building gypsum waste, which solve the defects of the prior art.
The embodiment of the invention is realized by the following steps:
the comprehensive utilization and recovery device for the building gypsum waste comprises a crushing device and a stirring device, wherein the crushing device comprises a shell, a stirring mechanism, a motor, a swinging mechanism, a grinding roller and an arc-shaped screen assembly;
the upper part of the shell is provided with a storage box, the stirring mechanism is arranged in the storage box, the motor is linked with the stirring mechanism to stir gypsum waste in the storage box, and the bottom of the storage box is provided with a discharge hole;
the swing mechanism is arranged in the middle of the shell and comprises an escapement fork, an escape pinion and a swing arm, the motor is in transmission connection with the escape pinion to rotate, and the escape pinion is linked with the escape fork to drive the swing arm to swing in a reciprocating manner;
the arc-shaped screen assembly is arranged at the bottom of the shell, is connected with the swing arm and swings back and forth along with the swing arm;
the grinding roller is rotatably arranged in the shell and is positioned on the inner side of the arc-shaped screen assembly;
the bottom of the shell is provided with a discharge opening, and the discharge opening is connected with a feed inlet of the stirring device.
Further, the stirring mechanism comprises a stirring shaft, the stirring shaft is in transmission connection with an output shaft of the motor through a first belt pulley set, and a plurality of stirring blades are arranged on the stirring shaft.
Further, be provided with the feed inlet on the storage case, be provided with the feed valve in the feed inlet, the feed valve is including sealed valve plate, the one end of sealed valve plate is connected with the inner wall rotation of feed inlet, and the other end of sealed valve plate passes through the inner wall connection of spring and feed inlet.
Furthermore, a first transmission shaft is arranged on the outer wall of the shell, an output shaft of the motor is in transmission connection with the upper end of the first transmission shaft through a first gear set, the lower end of the first transmission shaft is in transmission connection with a second transmission shaft through a first bevel gear set, one end, far away from the first transmission shaft, of the second transmission shaft is in transmission connection with a third transmission shaft through a second bevel gear set, the third transmission shaft is in transmission connection with a fourth transmission shaft through a second belt pulley set, the third transmission shaft is used for driving the escape pinion to rotate, and the fourth transmission shaft is used for driving the grinding roller to rotate.
Further, an arc-shaped avoiding groove for avoiding the third transmission shaft and the fourth transmission shaft is formed in the swing arm.
Further, the arc screen assembly comprises a screen shell and a screen connected into the screen shell, an arc guide groove is formed in the screen shell, a guide support is arranged in the arc guide groove in a matched mode, and the guide support is fixed on a retainer arranged at the bottom of the shell.
The comprehensive utilization and recovery process of the building gypsum waste is characterized by comprising the following steps:
1) airing the collected building gypsum waste;
2) placing the dried building gypsum waste into the comprehensive utilization and recovery device for the building gypsum waste, crushing and screening the building gypsum waste by a crushing device, and then sending the building gypsum waste into a stirring device to stir and mix the crushed building gypsum waste and an adhesive until the building gypsum waste becomes a cladding;
3) adding the building gypsum waste after the cladding into a gypsum product for mixing use.
Further, the adhesive is any one of lime slurry, cement slurry and water glass.
The invention has the beneficial effects that:
1. according to the invention, the screen assembly is reciprocated and swung by the swing mechanism, and the grinding roller arranged on the inner side of the screen assembly is matched, so that the effect of repeated grinding can be achieved, the screen material can be reciprocated and swung, and the screen device has the advantages of full grinding, uniform screening, high efficiency and the like.
2. The building gypsum waste is fully recycled, the utilization rate of the gypsum waste is greatly improved, and the environment-friendly and energy-saving effects are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the construction of a crushing apparatus according to the present invention;
FIG. 2 is a drive connection diagram between the second drive shaft, the third drive shaft and the fourth drive shaft;
FIG. 3 is a schematic diagram of a configuration of one embodiment of a feedwell;
FIG. 4 is a schematic structural view of another embodiment of a feedwell;
FIG. 5 is a schematic structural view of a screen assembly;
fig. 6 is a schematic structural view of the swing mechanism.
Icon: 1-shell, 2-motor, 3-grinding roller, 4-storage box, 5-inlet, 6-outlet, 7-sealing valve plate, 8-spring, 9-mixer shaft, 10-mixer blade, 11-first pulley group, 12-escapement fork, 13-escape gear, 14-swing arm, 15-bearing support, 16-first transmission shaft, 17-first gear group, 18-first bevel gear group, 19-second transmission shaft, 20-second bevel gear group, 21-third transmission shaft, 22-second pulley group, 23-fourth transmission shaft, 24-first fixed shaft, 25-limit stop lever, 26-arc avoidance groove, 27-screen shell, 28-screen, 29-arc guide groove, 30-a guide support, 31-a retainer, 32-a discharge opening, 33-a second fixed shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 6, the present embodiment provides a comprehensive utilization and recovery device for building gypsum waste, which includes a crushing device and a stirring device, wherein the crushing device includes a housing 1, a stirring mechanism, a motor 2, a swinging mechanism, a milling roller 3 and an arc-shaped screen assembly;
1 upper portion of casing is provided with storage case 4, the top of storage case 4 is provided with feed inlet 5, and the bottom of storage case 4 is provided with discharge gate 6, and the gypsum waste material in the storage case 4 falls into screen assembly through discharge gate 6, be provided with the feed valve in the feed inlet 5, the feed valve includes sealed valve plate 7, the one end of sealed valve plate 7 is connected with the articulated seat pivot on the inner wall of feed inlet 5 one side, and the other end of sealed valve plate 7 and the inner wall laminating of 5 opposite sides of feed inlet, the upper surface that articulated one end was kept away from to sealed valve plate 7 passes through spring 8 and is connected with the inner wall of feed inlet. Of course, the sealing valve plate 7 may also be two plate bodies spliced together. When feeding in raw material toward feed inlet 5, the gypsum waste material is piled up gradually on sealed valve plate 7, along with the increase of gypsum waste material, the pressure that sealed valve plate 7 bore is bigger and bigger, when the pressure that sealed valve plate 7 bore is greater than spring 8's elasticity, the spring is pulled up and is unloaded, unload the completion back, sealed valve plate 7 resumes the sealed feed inlet of original state under spring 8's pulling force effect, realize intermittent type nature feeding, can avoid stockpiling up a large amount of gypsum waste material on the screen assembly, lead to milling thoroughly.
The stirring mechanism set up in the storage case 4, the stirring mechanism includes (mixing) shaft 9, (mixing) shaft 9 and 1 bearing connection of casing, be provided with a plurality of stirring vane 10 on the (mixing) shaft. Motor 2 sets up in one side of the top storage case 4 of casing 1, and motor 2's output shaft is connected with the transmission of (mixing) shaft 9 through first driving pulley group 11, drives through motor 2 (mixing) shaft 9 rotates, stirs the gypsum waste material in the storage case 4, avoids the gypsum waste material agglomeration not blanking.
The swing mechanism is arranged in the middle of the housing 1, and includes a pallet fork 12, an escape pinion 13, and a swing arm 14. A bearing support 15 is welded on the outer wall of the right side of the shell 1, a first transmission shaft 16 is arranged on the bearing support 15, an output shaft of the motor 2 is in transmission connection with the upper end of the first transmission shaft 16 through a first gear set 17, the lower end of the first transmission shaft 16 is in transmission connection with a second transmission shaft 19 through a first bevel gear set 18, one end, far away from the first transmission shaft 16, of the second transmission shaft 19 is in transmission connection with a third transmission shaft 21 through a second bevel gear set 20, the third transmission shaft 21 is in transmission connection with a fourth transmission shaft 23 through a second pulley set 22, the third transmission shaft 21 and the fourth transmission shaft 23 are both in bearing connection with the front and rear side walls of the shell 1, the escape pinion 13 is fixed on the third transmission shaft 21 through a connection mode of keys and key grooves and rotates together with the same, and the grinding roller 3 is fixed on the fourth transmission shaft 23 through a connection, the escapement fork 12 rotates around a first fixed shaft 24 on the inner wall of the shell 1, two sides of a fork head of the escapement fork 12 are provided with limit stop levers 25, the upper end of the swing arm 14 rotates around a second fixed shaft 33 on the inner wall of the shell 1, and the lower end of the swing arm 14 is fixedly connected with the screen assembly. The motor 2 rotates and is in transmission connection with a second transmission shaft 19 through a first transmission shaft 16, the second transmission shaft 19 is in transmission connection with a third transmission shaft 21 to drive the escape pinion 13, the escape pinion 13 is linked with the escapement fork 12 to enable the swing arm 14 to swing in a reciprocating mode, and meanwhile the third transmission shaft 21 is in transmission connection with a fourth transmission shaft 23 to drive the grinding roller 3 to rotate. Because third transmission shaft 21 and fourth transmission shaft 23 are connected with the front and back lateral wall bearing of casing 1, for avoiding third transmission shaft 21 and fourth transmission shaft 23 to hinder swing arm 14 reciprocating swing arm 14 integrated into one piece has the arc to dodge groove 26.
Arc screen assembly set up in casing 1's bottom, arc screen assembly include screen shell 27 and connect the screen cloth 28 in screen shell, screen shell 27 around the lateral wall equally divide do not weld with a set of swing mechanism's swing arm 14 lower extreme, swing mechanism is two sets of altogether promptly, through the swing arm respectively with screen shell 27's front side and rear side welding, be provided with arc guide slot 29 on the screen shell 27, the matching is provided with guide bracket 30 in the arc guide slot 29, casing 1 bottom welding has holder 31, guide bracket 30 welds on holder 31, through two sets of swing mechanisms, can make screen assembly's firm in connection nature and swing stability good.
The bottom of the shell 1 is provided with a discharge opening 32, and the discharge opening 32 is connected with a feed inlet of a stirring device.
When the device is used for recycling the building gypsum waste, the operation steps are as follows:
1) collecting the building gypsum waste independently to ensure that the gypsum waste is clean and free of impurities such as oil stains, and airing the collected building gypsum waste;
2) placing the dried building gypsum waste into the comprehensive utilization and recovery device for the building gypsum waste, crushing and screening the building gypsum waste by a crushing device, and then sending the building gypsum waste into a stirring device to stir and mix the crushed building gypsum waste and an adhesive until the building gypsum waste becomes a cladding;
3) adding the building gypsum waste after the cladding into a gypsum product for mixing use.
From the above, the comprehensive utilization and recovery device for the building gypsum waste provided by the embodiment has the following advantages:
1. through setting up the reciprocating swing of swing mechanism screen cloth subassembly, the roller of milling that sets up in the screen cloth subassembly inboard is resumeed to the cooperation, and screen cloth subassembly not only can realize milling repeatedly with the roller of milling at the reciprocating swing in-process, can also the reciprocating swing sieve material, has and mills abundant, and the sieve material is even, efficient advantage such as high.
2. This device can carry out abundant effectual recovery to building gypsum waste material and recycle, environmental protection and energy saving, and recycle rate is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Building gypsum waste material comprehensive utilization recovery unit, including reducing mechanism and agitating unit, its characterized in that: the crushing device comprises a shell (1), a stirring mechanism, a motor (2), a swinging mechanism, a grinding roller (3) and an arc-shaped screen assembly;
a storage box (4) is arranged at the upper part of the shell (1), the stirring mechanism is arranged in the storage box (4), the motor (2) is linked with the stirring mechanism to stir gypsum waste in the storage box (4), and a discharge hole (6) is formed in the bottom of the storage box (4);
the swing mechanism is arranged in the middle of the shell (1) and comprises an escapement fork (12), an escape pinion (13) and a swing arm (14), the motor (2) is in transmission connection with the escape pinion (13) to rotate, and the escape pinion (13) is linked with the escapement fork (12) to drive the swing arm (14) to swing in a reciprocating manner;
the arc-shaped screen assembly is arranged at the bottom of the shell (1), is connected with the swing arm (14) and swings back and forth along with the swing arm (14);
the grinding roller (3) is rotatably arranged in the shell (1) and is positioned at the inner side of the arc-shaped screen assembly;
the bottom of the shell (1) is provided with a discharge opening (32), and the discharge opening (32) is connected with a feed inlet (5) of the stirring device.
2. The comprehensive utilization and recovery device for building gypsum waste material as claimed in claim 1, wherein: the stirring mechanism comprises a stirring shaft (9), the stirring shaft (9) is in transmission connection with an output shaft of the motor (2) through a first belt pulley set (11), and a plurality of stirring blades (10) are arranged on the stirring shaft (9).
3. The comprehensive utilization and recovery device for building gypsum waste material as claimed in claim 1, wherein: be provided with feed inlet (5) on storage case (4), be provided with the feed valve in feed inlet (5), the feed valve is including sealed valve plate (7), the one end of sealed valve plate (7) is rotated with the inner wall of feed inlet (5) and is connected, and the other end of sealed valve plate (7) passes through spring (8) and is connected with the inner wall of feed inlet (5).
4. The comprehensive utilization and recovery device and process for building gypsum waste materials according to claim 1 are characterized in that: be provided with first transmission shaft (16) on the outer wall of casing (1), the upper end of first transmission shaft (16) is connected through first gear train (17) transmission to the output shaft of motor (2), the lower extreme of first transmission shaft (16) is connected with second transmission shaft (19) through first bevel gear set (18) transmission, the one end that first transmission shaft (16) were kept away from in second transmission shaft (19) is connected with third transmission shaft (21) through second bevel gear set (20) transmission, third transmission shaft (21) are connected with fourth transmission shaft (23) through second pulley set (22) transmission, third transmission shaft (21) are used for driving escape pinion (13) and rotate, fourth transmission shaft (23) are used for driving grinding roller (3) and rotate.
5. The comprehensive utilization and recovery device for building gypsum waste material as claimed in claim 4, wherein: and an arc-shaped avoiding groove (26) for avoiding the third transmission shaft (21) and the fourth transmission shaft (23) is arranged on the swing arm (14).
6. The comprehensive utilization and recovery device for building gypsum waste material as claimed in claim 1, wherein: the arc screen assembly comprises a screen shell (27) and a screen (28) connected into the screen shell (27), an arc guide groove (29) is formed in the screen shell (27), a guide support (30) is arranged in the arc guide groove (29) in a matched mode, and the guide support (30) is fixed on a retainer (31) arranged at the bottom of the shell (1).
7. The comprehensive utilization and recovery process of the building gypsum waste is characterized by comprising the following steps:
1) airing the collected building gypsum waste;
2) placing the dried building gypsum waste into the comprehensive utilization and recovery device of the building gypsum waste of any one of claims 1 to 6, crushing and screening the building gypsum waste by using a crushing device, and then sending the crushed building gypsum waste and an adhesive into a stirring device to be stirred and mixed until the building gypsum waste becomes a cladding;
3) adding the building gypsum waste after the cladding into a gypsum product for mixing use.
8. The comprehensive utilization and recovery process of the building gypsum waste material as claimed in claim 7, wherein: the adhesive is any one of lime slurry, cement slurry and water glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254923.5A CN111468239A (en) | 2020-04-02 | 2020-04-02 | Comprehensive utilization and recovery device and process for building gypsum waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254923.5A CN111468239A (en) | 2020-04-02 | 2020-04-02 | Comprehensive utilization and recovery device and process for building gypsum waste |
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| CN111468239A true CN111468239A (en) | 2020-07-31 |
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| CN202010254923.5A Pending CN111468239A (en) | 2020-04-02 | 2020-04-02 | Comprehensive utilization and recovery device and process for building gypsum waste |
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Application publication date: 20200731 |