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CN113681702A - Gypsum board batching and irrigating device and method - Google Patents

Gypsum board batching and irrigating device and method Download PDF

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Publication number
CN113681702A
CN113681702A CN202110941752.8A CN202110941752A CN113681702A CN 113681702 A CN113681702 A CN 113681702A CN 202110941752 A CN202110941752 A CN 202110941752A CN 113681702 A CN113681702 A CN 113681702A
Authority
CN
China
Prior art keywords
scale
storage tank
batching
gypsum board
powder
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.)
Pending
Application number
CN202110941752.8A
Other languages
Chinese (zh)
Inventor
潘传林
陈伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Jipusen Building Materials Co Ltd
Original Assignee
Sichuan Jipusen Building Materials Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Jipusen Building Materials Co Ltd filed Critical Sichuan Jipusen Building Materials Co Ltd
Priority to CN202110941752.8A priority Critical patent/CN113681702A/en
Publication of CN113681702A publication Critical patent/CN113681702A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B15/00General arrangement or layout of plant ; Industrial outlines or plant installations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B28B13/0215Feeding the moulding material in measured quantities from a container or silo
    • B28B13/023Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
    • B28B13/0235Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities the feed box being provided with agitating means, e.g. stirring vanes to avoid premature setting of the moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063Control arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/40Mixing specially adapted for preparing mixtures containing fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/40Mixing specially adapted for preparing mixtures containing fibres
    • B28C5/402Methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/0046Storage or weighing apparatus for supplying ingredients
    • B28C7/0053Storage containers, e.g. hoppers, silos, bins
    • B28C7/0076Parts or details thereof, e.g. opening, closing or unloading means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/0404Proportioning
    • B28C7/0418Proportioning control systems therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/0422Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
    • B28C7/044Weighing mechanisms specially adapted therefor; Weighing containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/06Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • B28C7/067Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/12Supplying or proportioning liquid ingredients
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/12Supplying or proportioning liquid ingredients
    • B28C7/126Supply means, e.g. nozzles
    • B28C7/128Nozzles; Valves; Valve-actuating means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention discloses a gypsum board batching and irrigating device and method, relating to the field of gypsum board production and having the technical scheme key points that: a gypsum board batching and irrigating device comprises a powder storage tank, a fiber storage tank and a liquid feed inlet; a powder scale is arranged below the powder storage tank, a dry mixer is arranged below the powder scale, and a midway bin is arranged below the dry mixer; a fiber scale is arranged below the fiber storage tank; the liquid feeding hole is connected with the liquid scale; the stirrer is arranged below the midway bin and is connected with the fiber scale, the midway bin and the liquid scale. The aim of proportioning the gypsum boards in various rules in the same production line and the same time period is fulfilled.

Description

Gypsum board batching and irrigating device and method
Technical Field
The invention relates to the field of gypsum board production, in particular to a gypsum board batching and irrigating device and method.
Background
The existing gypsum board production line can only produce gypsum boards of the same specification within the same time period. If need produce other specification gypsum boards, adjust the production procedure, change mould or mould car, it is very inconvenient to change.
Disclosure of Invention
The invention aims to provide a gypsum board batching and irrigating device, which achieves the aim of simultaneously batching gypsum boards of various specifications on the same production line.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a gypsum board batching and watering device, characterized by: comprises a powder storage tank, a fiber storage tank and a liquid feed inlet;
a powder scale is arranged below the powder storage tank, a dry mixer is arranged below the powder scale, and a midway bin is arranged below the dry mixer;
a fiber scale is arranged below the fiber storage tank; the liquid feeding hole is connected with the liquid scale;
the stirrer is arranged below the midway bin and is connected with the fiber scale, the midway bin and the liquid scale.
The connection mode of the upper and lower relations is adopted, so that various raw materials move under the action of gravity as much as possible, and the energy consumption is reduced.
Further comprises a plurality of powder storage tanks; the powder storage tank is divided into a gypsum storage tank and a modifier storage tank; the gypsum storage tank and the modifier storage tank are respectively and correspondingly provided with a powder scale.
And the discharge ports of the powder storage tank, the fiber storage tank, the liquid feed inlet, the powder scale, the fiber scale, the dry mixer, the midway bin, the stirrer and the liquid scale are provided with electric control valves.
The discharge amount can be controlled according to the computer instruction through the electric control valve.
The discharge hole of the further stirrer is connected with the mould car.
And further, the die car is provided with an identification chip, and the identification chip stores die car die information.
And an identification chip is arranged on the mould car and used for feeding back information of the gypsum board so as to guide batching.
The fiber scale, the powder scale and the liquid scale are further electronic scales.
The electronic scale is adopted for better realizing the accurate control of the production line.
A gypsum board batching and irrigating method comprises the following steps
A: reading the information of a mold vehicle to be poured;
b: calculating the amount of the ingredients required by the die car to be poured;
c: weighing and metering the ingredients;
d: judging whether the mold car reaches a preset position;
e: mixing and stirring to form slurry;
f: and pouring the stirred slurry into a mold vehicle.
Because the mould car information contains the dimension information of the plaster plate to be poured, the required ingredients can be calculated according to the dimension information. And then reach the same period of same production line, the purpose of producing different specification gypsum boards.
The method further comprises the following step of initializing the batching information by taking the batching information of the standard-size gypsum board as initial information.
And further reading the information of the model car to be poured into the size information of the corresponding plaster plate of the model car.
And further comparing the size of the die car to be poured with the initial batching information, and calculating the batching amount required by the die car to be poured.
In conclusion, the invention has the following beneficial effects: by adopting the device and the method, the aim of proportioning various regular gypsum boards in the same production line and the same time period can be fulfilled.
Drawings
FIG. 1 is a schematic diagram showing the connection relationship between devices of the embodiment
FIG. 2 is a flow chart of an embodiment of a method
In the figure: 1. a gypsum storage tank; 2. weighing the powder; 3. a modifier storage tank; 4. a dry mixer; 5. a midway bin; 6. a fiber storage tank; 7. a vibration blanking device; 8. a fiber scale; 9. a liquid feed port; 10. a liquid scale; 11. a blender; 12. carrying out mould turning; 13. the chip is identified.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly or indirectly connected to the other element, and the "connection" does not limit the fixed connection or the movable connection, and the specific connection mode should be determined according to the specific technical problem to be solved.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example (b):
a gypsum board batching and irrigating device comprises a powder storage tank, a fiber storage tank 6 and a liquid feed inlet 9;
the powder storage tank is used for storing various powders required in the gypsum production; the powder storage tank is connected with the powder homogenizing tank. Before the powder enters the powder storage tank, the powder can be selectively and firstly enter a homogenizing tank for homogenization. An outlet of the powder storage tank is provided with an electric control valve. The powder storage tank is correspondingly provided with a powder scale 2, a discharge hole of the powder storage tank is connected with the powder scale 2, and the powder scale 2 is an electronic scale and used for metering powder. An electric control valve is arranged at the discharge hole of the powder scale 2.
The present example has two powder storage tanks; the powder storage tank is divided into a gypsum storage tank 1 and a modifier storage tank 3; corresponding powder scales 2 are arranged below the gypsum storage tank 1 and the modifier storage tank 3. Of course, according to the actual situation, a plurality of powder storage tanks and corresponding powder scales 2 can be arranged for adding different raw materials.
A dry mixer 4 is arranged below the powder scale 2, and the dry mixer 4 is mainly used for mixing powder. An electric control valve is arranged at the discharge hole of the dry mixer 4. A midway bin 5 is arranged below the dry mixer 4, and the midway bin 5 is mainly used for temporarily storing the mixed powder. An electric control valve is arranged at the discharge hole of the midway bin 5. Since the setting time is short and the required mixing time is short after the gypsum board powder is mixed with water, the powder is stored to prevent the slurry from setting too early when the mold carriage 12 is not in place.
The fiber storage tank 6 is used for storing fiber raw materials required in the production process of the gypsum board; the discharge port of the fiber storage tank 6 is provided with an electric control valve, the discharge port is connected with a vibration blanking device 7, the discharge port of the vibration blanking device 7 is connected with a fiber scale 8, the fiber scale 8 is an electronic scale and used for metering fibers, and the discharge port of the fiber scale 8 is provided with an electric control valve.
The liquid feed inlet 9 is used for inputting liquid raw materials required in the gypsum board production process; the liquid feed port 9 is provided with an electrically controlled valve. The liquid feeding port 9 is provided with a corresponding liquid scale 10, the liquid scale 10 is an electronic scale and is used for metering liquid raw materials, and the discharging port of the liquid scale 10 is provided with an electric control valve. Of course, a plurality of liquid feed inlets 9 and corresponding liquid scales 10 may be provided according to actual conditions for adding different liquid raw materials.
The mixer 11 is arranged below the midway bin 5 and is connected with the discharge hole of the fiber scale 8, the discharge hole of the midway bin 5 and the discharge hole of the liquid scale 10. The fiber raw material, the powder material and the liquid raw material enter the stirrer 11 through respective discharge ports.
The discharge port of the stirrer 11 is connected with a mould carriage 12. The mold car 12 is provided with an identification chip 13, and the identification chip 13 stores the gypsum board size information corresponding to the mold car 12.
The gypsum board batching and irrigating system with the device has a controller which is respectively connected with each electric control valve, the electronic scale and the chip identification device in the device. The control machine is a control machine commonly used in industry and mainly used for collecting information or controlling each device on an industrial production line.
The identification chip and the chip identification device both belong to the prior art. Such as chips employing radio frequency identification technology and corresponding identification devices.
The gypsum board batching and irrigating method adopting the device comprises the following steps:
a: reading the information of a mold vehicle to be poured;
b: calculating the amount of the ingredients required by the die car to be poured;
c: weighing and metering the ingredients;
d: judging whether the mold car reaches a preset position;
e: mixing and stirring to form slurry;
f: and pouring the stirred slurry into a mold vehicle.
The controller controls the chip recognition device to recognize the information of the die car to be irrigated, and the required amount of each ingredient is calculated according to the information of the die car; then controlling the storage tank and the liquid inlet by the controller, and putting the ingredients into an electronic scale for metering; and after the powder is metered and stirred, temporarily storing the powder in a midway warehouse. When the control machine recognizes that the mould carriage reaches the designated pouring position through the chip recognition device arranged at the pouring position. And putting the powder, the liquid raw material and the fiber raw material into a stirrer, stirring for a certain time, putting the mixed slurry into a mould car, and pouring.
The implementation of this embodiment further includes the following steps:
and initializing the batching information by taking the batching information of the gypsum board with the standard size as initial information. And writing the initialized ingredient information into the control machine. The ingredient information includes the required raw materials and the amounts of the raw materials.
The implementation steps of this embodiment are as follows:
reading the information of a mold vehicle to be poured;
calculating the amount of the ingredients required by the die car to be poured;
the specific mode is as follows:
and reading the information of the model car to be poured into the size information of the corresponding plaster plate of the model car. The volume of the gypsum board is compared with that of a standard size gypsum board, and a ratio is calculated.
And comparing the ratio with the dosage of each ingredient in the initial information to determine the dosage of each raw material required by the mold car to be poured.
For example, standard size gypsum board size is 1; the ingredients comprise 50kg of gypsum powder, 10kg of modifier and 75kg of water.
The size of the gypsum board in the model car to be poured is 0.5. The various ingredients required by the mould car to be poured according to the ratio are 25kg of gypsum, 5kg of modifier and 37.5kg of water.
In the same manner, the size information may be volume information. The reading can be directly carried out, and the acquisition can also be indirectly carried out.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a gypsum board batching and watering device, characterized by: comprises a powder storage tank, a fiber storage tank (6) and a liquid feed inlet (9);
a powder scale (2) is arranged below the powder storage tank, a dry mixer (4) is arranged below the powder scale (2), and a midway bin (5) is arranged below the dry mixer (4);
a fiber scale (8) is arranged below the fiber storage tank (6); the liquid feeding hole (9) is connected with a liquid scale (10);
the stirrer (11) is arranged below the midway bin (5) and is connected with the fiber scale (8), the midway bin (5) and the liquid scale (10).
2. A gypsum board batching and watering device as defined in claim 1 wherein: a plurality of powder storage tanks are arranged; the powder storage tank is divided into a gypsum storage tank (1) and a modifier storage tank (3); the gypsum storage tank (1) and the modifier storage tank (3) are respectively corresponding to the powder weigher (2).
3. A gypsum board batching and watering device as defined in claim 1 wherein: the powder storage tank, the fiber storage tank (6), the liquid feed inlet (9), the powder scale (2), the fiber scale (8), the dry mixer (4), the midway bin (5), the stirrer (11) and the liquid scale (10) are provided with electric control valves at the discharge outlets.
4. A gypsum board batching and watering device as defined in claim 1 wherein: the discharge hole of the stirrer (11) is connected with the mould car (12).
5. A gypsum board batching and watering device as defined in claim 4 wherein: and the mould car (12) is provided with an identification chip (13) which stores mould car mould information.
6. A gypsum board batching and watering device as defined in claim 1 wherein: the fiber scale (8), the powder scale (2) and the liquid scale (10) are electronic scales.
7. A gypsum board batching and irrigating method is characterized in that: comprises the following steps
A: reading the information of a mold vehicle to be poured;
b: calculating the amount of the ingredients required by the die car to be poured;
c: weighing and metering the ingredients;
d: judging whether the mold car reaches a preset position;
e: mixing and stirring to form slurry;
f: and pouring the stirred slurry into a mold vehicle.
8. The gypsum board batching and watering method of claim 7, wherein: and the method also comprises the step of initializing the batching information by taking the batching information of the gypsum board with the standard size as initial information.
9. The gypsum board batching and watering method of claim 8, wherein: and reading the information of the model car to be poured into the size information of the corresponding plaster plate of the model car.
10. The gypsum board batching and watering method of claim 9, wherein: and comparing the size of the die car to be poured with the initial batching information, and calculating the batching amount required by the die car to be poured.
CN202110941752.8A 2021-08-17 2021-08-17 Gypsum board batching and irrigating device and method Pending CN113681702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110941752.8A CN113681702A (en) 2021-08-17 2021-08-17 Gypsum board batching and irrigating device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110941752.8A CN113681702A (en) 2021-08-17 2021-08-17 Gypsum board batching and irrigating device and method

Publications (1)

Publication Number Publication Date
CN113681702A true CN113681702A (en) 2021-11-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153588A1 (en) * 1984-02-10 1985-09-04 BABCOCK-BSH AKTIENGESELLSCHAFT vormals Büttner-Schilde-Haas AG Method for the continuous production of shaped articles, in particular slabs, from a mix of plaster of Paris, and fibre materials as well as a device for carrying out the method
CN1248520A (en) * 1998-09-09 2000-03-29 美国石膏公司 Impact-resistance property improved gypsum/fire board
CN101434087A (en) * 2008-12-18 2009-05-20 罗国军 Process for molding fiber plaster composite wall large plate and production line
CN102490248A (en) * 2011-11-15 2012-06-13 赤壁人和建材有限公司 Fiber gypsum board production process and equipment
CN106003406A (en) * 2016-05-18 2016-10-12 澧县方石坪镇杨朴矿山机械厂 Furnace slag foam wallboard production method
CN109336533A (en) * 2018-10-29 2019-02-15 鞍山千华新材科技有限公司 The production method of light composite wall panel
CN213221702U (en) * 2020-09-07 2021-05-18 常州市龙城粉体设备有限公司 Intelligent gypsum mortar production facility

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153588A1 (en) * 1984-02-10 1985-09-04 BABCOCK-BSH AKTIENGESELLSCHAFT vormals Büttner-Schilde-Haas AG Method for the continuous production of shaped articles, in particular slabs, from a mix of plaster of Paris, and fibre materials as well as a device for carrying out the method
CN1248520A (en) * 1998-09-09 2000-03-29 美国石膏公司 Impact-resistance property improved gypsum/fire board
CN101434087A (en) * 2008-12-18 2009-05-20 罗国军 Process for molding fiber plaster composite wall large plate and production line
CN102490248A (en) * 2011-11-15 2012-06-13 赤壁人和建材有限公司 Fiber gypsum board production process and equipment
CN106003406A (en) * 2016-05-18 2016-10-12 澧县方石坪镇杨朴矿山机械厂 Furnace slag foam wallboard production method
CN109336533A (en) * 2018-10-29 2019-02-15 鞍山千华新材科技有限公司 The production method of light composite wall panel
CN213221702U (en) * 2020-09-07 2021-05-18 常州市龙城粉体设备有限公司 Intelligent gypsum mortar production facility

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Application publication date: 20211123

RJ01 Rejection of invention patent application after publication