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CN110696154A - Process method for producing modified gypsum building block - Google Patents

Process method for producing modified gypsum building block Download PDF

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Publication number
CN110696154A
CN110696154A CN201910932197.5A CN201910932197A CN110696154A CN 110696154 A CN110696154 A CN 110696154A CN 201910932197 A CN201910932197 A CN 201910932197A CN 110696154 A CN110696154 A CN 110696154A
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CN
China
Prior art keywords
modified gypsum
parts
ceramsite
producing
fixedly connected
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
CN201910932197.5A
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Chinese (zh)
Inventor
张长安
贾书亚
王志东
范少朋
郭水涛
刘建军
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.)
Zhongyuan Environmental Technology Co Ltd
Original Assignee
Zhongyuan Environmental Technology 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 Zhongyuan Environmental Technology Co Ltd filed Critical Zhongyuan Environmental Technology Co Ltd
Priority to CN201910932197.5A priority Critical patent/CN110696154A/en
Publication of CN110696154A publication Critical patent/CN110696154A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/24Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by reciprocating plunger
    • 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
    • B28B13/04Discharging the shaped articles
    • B28B13/06Removing the shaped articles from moulds
    • B28B13/065Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

The invention discloses a process method for producing a modified gypsum block, which relates to the technical field of gypsum blocks and comprises the following steps: step A: preparing materials, and step B: mixing and step C: molding and step D: demolding, step E: and (5) finishing. The invention also discloses a mould pressing and demoulding device for producing the modified gypsum block; the supporting device comprises supporting legs, a mounting plate fixedly connected to the top end of each supporting leg, a supporting frame fixedly connected to the upper surface of the mounting plate, a cylinder fixedly mounted in the middle of the top end of the supporting frame, a cylinder rod fixedly connected to the middle of the bottom end of the cylinder, and a top plate fixedly connected to the bottom end of the cylinder rod. According to the invention, the top plate can move up and down through the air cylinder and the air cylinder rod, so that the building block can be subjected to mould pressing, and the bottom plate can be pushed to move through the matching arrangement of the push rod, the push plate and the slide rod, so that the building block can be conveniently demoulded, the production difficulty of a product is reduced, and the production efficiency of the product is improved.

Description

Process method for producing modified gypsum building block
Technical Field
The invention relates to the related technical field of building blocks, in particular to a modified gypsum block.
Background
A large amount of by-product gypsum is generated in the flue gas desulfurization process of coal-fired power plants and steel plants, and the regenerated gypsum is widely used for producing gypsum boards, modified gypsum powder and other building materials at present. Because of fast condensation, high strength, no need of maintenance, indoor humidity regulation function and light weight (density of 0.7 t/M)3-1.0t/M3) The modified gypsum can quickly replace cement to become the indoor plastering powder, leveling mortar, self-leveling mortar, ceramic tile adhesive, etc
The existing cement building blocks are heavy in weight, inconvenient to carry, poor in heat insulation performance and poor in air permeability; it is necessary to provide a process for efficiently producing building blocks by using modified gypsum to replace cement to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a process method for producing a modified gypsum block, which solves the problems of heavy weight, inconvenient carrying, poor heat insulation performance, poor air permeability and the like of the existing cement block.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a process method for producing modified gypsum blocks comprises the following steps:
step A: preparing materials: 6-8 parts of modified gypsum, 90-92 parts of ceramsite grade ingredients, 1-2 parts of auxiliary agent and proper water.
And B: mixing: mixing the modified gypsum, the ceramsite grade ingredients and water, stirring to be porridge-shaped, and standing; adding all the ingredients, continuously stirring for 1-5min, and standing for 50-70 s;
and C: die pressing: adding the uniformly mixed and standing raw materials into the interior of a mould, shaping, and properly pressurizing when necessary, and keeping for 5-10 min;
step D: demolding: taking out the building blocks in the mold to ensure that the building blocks cannot deform;
step E: and (3) finished product: and (5) stacking the demolded building blocks for 1-2 days to reach the highest strength, thus obtaining the product.
Optionally, the ceramsite grading proportion is as follows: the grain size is plus or minus 20mm, and the ceramsite accounts for 65-75 percent;
the grain diameter is 1mm-5mm, and the content of the ceramic sand is 25-35%.
Optionally, the step a: 6 parts of modified gypsum, 92 parts of ceramsite grade ingredients, 2 parts of auxiliary agent and proper amount of water.
Optionally, the step a: 7 portions of modified gypsum, 92 portions of ceramsite grade material, 1 portion of auxiliary agent and proper amount of water.
Optionally, the step a: 8 portions of modified gypsum, 90 portions of ceramsite grade material, 2 portions of auxiliary agent and proper amount of water.
A mould pressing demoulding device for producing modified gypsum blocks comprises supporting legs, wherein the top ends of the supporting legs are fixedly connected with a mounting plate, the upper surface of the mounting plate is fixedly connected with a supporting frame, the middle part of the top end of the supporting frame is fixedly provided with a cylinder, the middle part of the bottom end of the cylinder is fixedly connected with a cylinder rod, the bottom end of the cylinder rod is fixedly connected with a top plate, and the middle part of the lower surface of the top plate is fixedly connected with an extrusion plate;
the upper surface middle part fixedly connected with mould of mounting panel, the inside swing joint of mould has the bottom plate, the equal fixedly connected with push rod in lower surface both sides of bottom plate, the bottom fixedly connected with push pedal of push rod, the equal fixedly connected with slide bar in upper surface both sides of push pedal
Optionally, four supporting legs are arranged, and the four supporting legs are respectively located at four corners of the lower surface of the mounting plate;
one end of the air cylinder rod penetrates through the middle part of the top end of the support frame and is fixedly connected with the support frame.
Optionally, two ends of the top plate respectively penetrate through one side of the support frame and are movably connected with the support frame;
the outer side of the extrusion plate is movably connected with the interior of the die.
Optionally, the mold is located in the middle of the support frame;
the lower surface of the bottom plate is movably connected with the inner bottom wall of the mold.
Optionally, one end of the push rod penetrates through the mounting plate and the die in sequence and is movably connected with the mounting plate and the die;
the push plate is positioned below the mounting plate.
Optionally, one end of the sliding rod penetrates through the top plate and is movably connected with the top plate;
the slide bar is L-shaped.
(III) advantageous effects
The invention provides a process method for producing a modified gypsum block, which has the following beneficial effects:
(1) the light functional building block is efficiently produced by compression molding by utilizing the characteristics of light weight and quick condensation of the modified gypsum and combining the characteristics of light weight and high strength of the ceramsite and the ceramic sand. Not only avoids the problems of heavy weight, slow solidification, large production field occupation, long production period, incapability of continuous and rapid production and the like of the cement building blocks, but also integrates the functions of light weight and heat preservation of the ceramsite and the ceramic sand to produce light weight (the density is 0.8 t/M)3Left and right), high strength (higher than clay brick), good nail holding performance, and humidity regulation function (gypsum crystal water can change along with air humidity change, when air humidity is high, gypsum crystal water is increased, and indoor air humidity is reduced; when the air humidity is reduced, the gypsum releases crystal water to improve the indoor humidity), and the heat-preservation and flame-retardant functional building block is adopted. The gypsum solidification block does not need special maintenance, the product is easy to realize continuous high-efficiency production, the production line efficiency is high, and the occupied area is small.
(2) According to the invention, the top plate can move up and down through the air cylinder and the air cylinder rod, so that the building block can be subjected to mould pressing, and the bottom plate can be pushed to move through the matching arrangement of the push rod, the push plate and the slide rod, so that the building block can be conveniently demoulded, the production difficulty of a product is reduced, and the production efficiency of the product is improved.
Drawings
FIG. 1 is a schematic view of the process of the present invention.
Fig. 2 is a schematic view of the finished product of the invention.
Fig. 3 is a front sectional view of the structure of the present invention.
In the figure: 1. supporting legs; 2. mounting a plate; 3. a support frame; 4. a cylinder; 5. a cylinder rod; 6. a top plate; 7. a pressing plate; 8. a mold; 9. a base plate; 10. a push rod; 11. pushing the plate; 12. a slide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention provides a modified gypsum block as shown in fig. 1 and 2:
the first embodiment is as follows:
a process method for producing modified gypsum blocks is characterized by comprising the following steps:
step A: preparing materials: 6 parts of modified gypsum, 92 parts of ceramsite grade ingredients, 2 parts of auxiliary agent and proper amount of water.
And B: mixing: mixing the modified gypsum, the ceramsite grade ingredients and water, stirring to be porridge-shaped, and standing; adding all the ingredients, continuously stirring for 1-5min, and standing for 50-70 s;
and C: die pressing: adding the uniformly mixed and standing raw materials into the interior of a mould, shaping, and properly pressurizing when necessary, and keeping for 5-10 min;
step D: and (3) finished product: and (5) stacking the demolded building blocks for 1-2 days to reach the highest strength, thus obtaining the product.
Example two:
a process method for producing modified gypsum blocks is characterized by comprising the following steps:
step A: preparing materials: 7 parts of modified gypsum, 92 parts of ceramsite grade ingredients, 1 part of auxiliary agent and proper amount of water.
And B: mixing: mixing the modified gypsum, the ceramsite grade ingredients and water, stirring to be porridge-shaped, and standing; adding all the ingredients, continuously stirring for 1-5min, mixing and standing for 50-70s, wherein the grain diameter of the ceramsite is within 20-50 mm, and the bulk density is lower than 0.8 t/M3; the grain diameter of the ceramic sand is within 1mm-10mm, and the bulk density is lower than 1.0 t/M3.
And C: die pressing: adding the uniformly mixed and standing raw materials into the interior of a mould, shaping, and properly pressurizing when necessary, and keeping for 5-10 min;
step D: demolding: taking out the building blocks in the mold to ensure that the building blocks cannot deform;
step E: and (3) finished product: and (5) stacking the demolded building blocks for 1-2 days to reach the highest strength, thus obtaining the product.
Example three:
a process method for producing modified gypsum blocks is characterized by comprising the following steps:
step A: preparing materials: 8 portions of modified gypsum, 90 portions of ceramsite grade material, 2 portions of auxiliary agent and proper amount of water.
And B: mixing: mixing the modified gypsum, the ceramsite grade ingredients and water, stirring to be porridge-shaped, and standing; adding all the ingredients, continuously stirring for 1-5min, and standing for 50-70 s;
and C: die pressing: adding the uniformly mixed and standing raw materials into the interior of a mould, shaping, and properly pressurizing when necessary, and keeping for 5-10 min;
step D: demolding: taking out the building blocks in the mold to ensure that the building blocks cannot deform;
step E: and (3) finished product: and (5) stacking the demolded building blocks for 1-2 days to reach the highest strength, thus obtaining the product.
The modified gypsum block can be prepared by the three groups of embodiments, wherein the gypsum block prepared by the second group of embodiments has the best effect.
The invention provides a mould pressing demoulding device for producing modified gypsum blocks as shown in figure 3, which comprises four supporting feet 1, wherein the four supporting feet 1 are respectively positioned at four corners of the lower surface of a mounting plate 2, the top end of each supporting foot 1 is fixedly connected with the mounting plate 2, the upper surface of the mounting plate 2 is fixedly connected with a support frame 3, the middle part of the top end of the support frame 3 is fixedly provided with a cylinder 4, the middle part of the bottom end of the cylinder 4 is fixedly connected with a cylinder rod 5, one end of the cylinder rod 5 penetrates through the middle part of the top end of the support frame 3 and is fixedly connected with the support frame 3, a top plate 6 can move up and down through the cylinder 4 and the cylinder rod 5, so that the blocks can be mould pressed, the bottom end of the cylinder rod 5 is fixedly connected with a top plate 6, two ends of the top plate 6 respectively penetrate through one side, the outer side of the extrusion plate 7 is movably connected with the interior of the die 8;
the middle part of the upper surface of the mounting plate 2 is fixedly connected with a mould 8, the mould 8 is positioned in the middle part of the support frame 3, the inner part of the mould 8 is movably connected with a bottom plate 9, the lower surface of the bottom plate 9 is movably connected with the inner bottom wall of the mould 8, both sides of the lower surface of the bottom plate 9 are fixedly connected with push rods 10, one end of each push rod 10 sequentially penetrates through the mounting plate 2 and the mould 8 and is movably connected with the mounting plate 2 and the mould 8, the bottom end of each push rod 10 is fixedly connected with a push plate 11, the push plate 11 is positioned below the mounting plate 2, both sides of the upper surface of the push plate 11 are fixedly connected with slide rods 12, one end of, through the matching arrangement of the push rod 10, the push plate 11 and the slide rod 12, the bottom plate 9 can be pushed to move, therefore, the building block is convenient to demould, the production difficulty of the product is reduced, and the production efficiency of the product is improved.
The working principle of the invention is as follows: this device is at the during operation, at first add the inside of mould 8 with the gypsum of stirring, then start cylinder 4, it is flexible to drive cylinder rod 5 through cylinder 4, it reciprocates to drive roof 6 through cylinder rod 5, drive stripper plate 7 through roof 6 and remove, thereby can extrude the gypsum, thereby make the gypsum shaping, at last through 6 rebound of roof, drive slide bar 12 rebound through 6 rebound of roof, drive bottom plate 9 rebound through 12 rebound of slide bar, thereby can make the gypsum break away from the inside of mould 8.
It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. A process method for producing modified gypsum blocks is characterized by comprising the following steps:
step A: preparing materials: 6-8 parts of modified gypsum, 90-92 parts of ceramsite grade ingredients, 1-2 parts of auxiliary agents and water.
And B: mixing: mixing the modified gypsum, the ceramsite grade ingredients and water, stirring to be porridge-shaped, and standing; adding all the ingredients, continuously stirring for 1-5min, and standing for 50-70 s;
and C: die pressing: adding the uniformly mixed and standing raw materials into the interior of a mould, shaping, and properly pressurizing when necessary, and keeping for 5-10 min;
step D: demolding: taking out the building blocks in the mold to ensure that the building blocks cannot deform;
step E: and (3) finished product: and (5) stacking the demolded building blocks for 1-2 days to reach the highest strength, thus obtaining the product.
2. The process for producing a modified gypsum block according to claim 1, wherein:
the grain size of the ceramsite is within 20mm-50mm, and the bulk density is lower than 0.8 t/M3;
the grain diameter of the ceramic sand is within 1mm-10mm, and the bulk density is lower than 1.0 t/M3.
3. The process for producing a modified gypsum block according to claim 1, wherein:
the ceramsite grading proportion is as follows: the grain size is plus or minus 20mm, and the ceramsite accounts for 65-75 percent;
the grain diameter is 1mm-5mm, and the content of the ceramic sand is 25-35%.
4. The process for producing a modified gypsum block according to claim 1, wherein:
the step A: 6 parts of modified gypsum, 92 parts of ceramsite grade ingredients, 2 parts of auxiliary agent and water.
5. The process for producing a modified gypsum block according to claim 1, wherein:
the step A: 7 parts of modified gypsum, 92 parts of ceramsite grade ingredients, 1 part of auxiliary agent and water.
6. The process for producing a modified gypsum block according to claim 1, wherein:
the step A: 8 parts of modified gypsum, 90 parts of ceramsite grade ingredients, 2 parts of auxiliary agent and water.
CN201910932197.5A 2019-09-29 2019-09-29 Process method for producing modified gypsum building block Pending CN110696154A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

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CN112693153A (en) * 2020-12-25 2021-04-23 昆山三人行精密模具有限公司 Large building block manufacturing device made of novel nano materials for storing nuclear waste

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Application publication date: 20200117