WO2016127284A1

WO2016127284A1 - Pipe-like fibre cement brick, wall and manufacturing method for pipe-like fibre cement brick

Info

Publication number: WO2016127284A1
Application number: PCT/CN2015/000912
Authority: WO
Inventors: 王万福
Original assignee: 王万福
Priority date: 2015-02-11
Filing date: 2015-12-18
Publication date: 2016-08-18
Also published as: CN104594546B; CN104594546A

Abstract

Disclosed are a pipe-like fibre cement brick, a wall and a manufacturing method for a pipe-like fibre cement brick. The pipe-like fibre cement brick comprises a straight pipe-like main body, wherein a hole of the pipe-like main body is a through hole which runs through the top surface and the bottom surface of the pipe-like main body; at least one outer side surface of the pipe-like main body is a flat surface; and the pipe-like main body is manufactured from fibre cement material. The wall of the present invention is built by the pipe-like fibre cement brick. The hole of the pipe-like main body of the pipe-like fibre cement brick is provided vertically. The manufacturing method for the pipe-like fibre cement brick is characterized by comprising the following steps: (1) preparing a slurry; (2) loading the slurry into a mesh cage, forming sheet material from the slurry, winding the sheet material by multiple layers, and pressing the sheet material into a round pipe-like wet adobe; and (3) forming a pipe-like main body by secondary moulding. The pipe-like fibre cement brick of the present invention is light in weight and fireproof, and has high strength and strong bearing capacity. The wall of the present invention is convenient to construct, and the flatness of the surface of the wall can be easily guaranteed. The pie-like fibre cement brick manufactured using the manufacturing method of the present invention has high pressure resistance.

Description

Method for manufacturing fiber cement pipe brick, wall body and fiber cement pipe brick

Technical field

The invention relates to a method for manufacturing bricks, walls and bricks for building.

Background technique

The existing building bricks are mostly solid red bricks or hollow bricks in the kiln. The existing hollow bricks basically have a plurality of brick holes uniformly distributed on the square brick body, and the materials are mostly cemented with cement, clay, engineering plastics. Etc., the strength is poor, the wall is made of bricks and layers, and the wall can only be made of insulation outside the brick.

For example, Chinese patent CN1119233 discloses a hollow brick which is a hollow brick made of engineering plastic. The disadvantage is that, firstly, the structural form is basically a square structure, and the hollow bricks are connected by plugging, and the original brick is still not changed. The construction method---the method of stacking increases the construction intensity, and the second is the use of engineering plastics, which increases the cost and limits its promotion and application.

Summary of the invention

The technical problem to be solved by the present invention is to provide a fiber cement pipe brick which is light in weight and high in strength, and to provide a wall body which is light in weight and strong in bearing capacity, and also provides a fiber cement pipe brick as described above. Production method.

In order to solve the above technical problems, the present invention comprises a straight tubular body, the tubular hole of the tubular body being a through hole penetrating through the top surface and the bottom surface of the tubular body, the tubular body having at least one outer side surface being flat, and the tubular body being made of fiber cement material .

For a wide range of applications, the cross-section of the tubular body has a triangular, rectangular, trapezoidal or parallelogram shape.

For the convenience of connection, the abutting faces of the tubular body have matching mating portions.

In order to improve the heat insulating effect, the tubular body of the tubular body is filled with an insulating material.

For a wide range of applications, the tubular body has a wall thickness of 5-20 mm and a height of 0.1-4 m.

For ease of application on conventional walls, the tubular body has a height of 2-3 m.

For ease of installation, at least one side of the tubular body is provided with at least one mounting hole that communicates with the tube hole of the tubular body.

For ease of installation, the cross-section of the tubular body has a rectangular, trapezoidal or parallelogram shape, and the tubular body has at least one mounting hole communicating with the tube hole of the tubular body on two adjacent sides.

In order to increase the strength of the tubular body, the fiber cement material has a fiber weight content of 15-20%, and the balance is cement.

In order to reduce the cost, the fiber cement material comprises cement, fiber and fly ash, the fiber weight content is 15-20%, the fly ash weight content is 15-20%, and the balance is cement.

For ease of material extraction, the fibers are one or more of glass fibers, asbestos fibers, sepiolite fibers, chemical fibers, and plant fibers.

In order to further enhance the strength of the tubular body, reinforcing ribs are embedded in the tubular body.

In order to further enhance the strength of the tubular body, the tubular body is a tubular body obtained by the following method, and the method for manufacturing the tubular body comprises the following steps: (1) making a fiber cement slurry; (2) drawing a slurry from the net cage The sheet material is formed, and the sheet material is wound into a plurality of layers to be extruded into a round tubular wet billet; (3) the round tubular wet billet is overmolded into a tubular body.

In order to further enhance the strength of the tubular body, the step (3) comprises the following steps: (3-1) placing the round tubular wet blank on the negative pressure bottom template, the central axis of the wet blank being parallel to the negative pressure bottom template, The pressure plate is placed in the tube hole of the wet blank, and the negative pressure bottom template is vacuumed while the pressure plate is pressed, and the portion between the pressure plate and the negative pressure bottom template is pressed into the first plane; (3-2) in the wet blank Each of the two sides is loaded with a negative pressure side template, and the negative pressure side template compresses the wet blank while straightening the air until the second plane and the third plane perpendicularly intersecting the first plane are pressed out on the wet blank; 3) loading the negative pressure top template, and compressing the wet blank while drawing the straight blank until the fourth plane perpendicularly intersecting the second plane and the third plane is pressed out on the wet blank; (3-4) The wet billet is solidified into a tubular body having a rectangular parallelepiped shape.

The wall of the present invention is the fiber cement pipe brick according to any one of the preceding claims, wherein the wall body comprises at least one row of fiber cement pipe bricks in the thickness direction, and each row of fiber cement pipe bricks comprises a plurality of lengths in the wall length direction. The closely arranged fiber cement pipe bricks, the pipe holes of the tubular main body of the fiber cement pipe brick are vertically arranged, and the adjacent fiber cement pipe bricks in each row of fiber cement pipe bricks are fixed.

There is only one layer of the fiber cement pipe brick in the height direction of the wall. Since there is only one layer of fiber cement pipe brick at the height of the wall, the wall has no transverse brick joints, so that the structural strength of the wall is high, and the construction is quick and convenient.

In order to improve the heat preservation and sound insulation effects, the wall body comprises a plurality of rows of closely arranged fiber cement pipe bricks in the thickness direction, and the brick joints of the adjacent rows of fiber cement pipe bricks are staggered, and adjacent fiber cements in adjacent rows The tube bricks are fixed.

In order to facilitate the construction, the wall body comprises two rows of closely arranged fiber cement pipe bricks in the thickness direction, wherein the two ends of one row of fiber cement pipe bricks are filled with the other row by the half-section fiber cement pipe bricks.

In order to increase the strength of the wall, adjacent fiber cement pipe bricks in each row are fixedly connected by connecting pieces, and each fiber cement pipe brick in one row and two fiber cement pipe bricks adjacent to each other pass through the connecting piece. fixed.

The method for manufacturing a fiber cement pipe brick according to any one of the preceding claims, comprising the steps of: (1) mixing raw materials to prepare a fiber cement slurry; and (2) preparing a mesh cage to prepare a tablet. a material that wraps the sheet material The round tubular wet billet is extruded around a plurality of layers; (3) the round tubular wet billet is overmolded into a tubular body.

In order to facilitate the production of the tubular body of the rectangular parallelepiped, the step (3) comprises the following steps: (3-1) placing the round tubular wet blank on the negative pressure bottom template, the central axis of the wet blank being parallel to the negative pressure bottom template, The pressure plate is placed in the tube hole of the wet blank, and the negative pressure bottom template is vacuumed while the pressure plate is pressed, and the portion between the pressure plate and the negative pressure bottom template is pressed into the first plane; (3-2) in the wet blank Each of the two sides is loaded with a negative pressure side template, and the negative pressure side template compresses the wet blank while straightening the air until the second plane and the third plane perpendicularly intersecting the first plane are pressed out on the wet blank; 3) loading the negative pressure top template, and compressing the wet blank while drawing the straight blank until the fourth plane perpendicularly intersecting the second plane and the third plane is pressed out on the wet blank; (3-4) The wet billet is solidified into a tubular body having a rectangular parallelepiped shape. Due to the use of the negative pressure template, the wet blank will be attracted to the template at the suction of the negative pressure, so that the interior of the wet blank does not require corresponding support.

The beneficial effects of the invention are: the fiber cement pipe brick of the invention is hollow, light in weight, and easy to install the heat insulating material, the heat insulating material is enclosed in the pipe body, and the fireproof property is good, and the strength of the pipe brick is high due to the use of the fiber cement material. It is suitable for making load-bearing and non-load-bearing walls. It can be nailed, sawn and planed. It is good for heat preservation, heat insulation, sound insulation, fireproof and shockproof. It reduces the building weight and reduces the damage to personnel once it collapses. The wall of the invention is arranged by a plurality of fiber cement pipe bricks, the construction is convenient, the flatness of the wall surface is easy to ensure, and the outer side surface of the fiber cement pipe brick plane can be regarded as the wall surface, and no secondary plastering surface is needed. It is also possible to install various water pipes and wires required in the interior of the pipe hole without damaging the wall, so that the wall structure has high strength. The fiber cement of the fiber cement pipe brick produced by the production method of the invention is in a layered state, so that the fiber cement pipe brick has strong pressure bearing capacity.

DRAWINGS

Figure 1, Figure 2, Figure 3 shows the structure of the three fiber cement pipe bricks;

4 and 5 are schematic structural views of two types of walls;

6, FIG. 7, FIG. 8 and FIG. 9 are schematic views of respective steps in a wet billet secondary forming process;

10, 11, 12, 13, 14, and 15 are top views of walls made of six fiber cement pipe bricks;

In the figure: 1, tubular body, 1-1, tube hole, 1-2, mounting hole, 2, insulation strip, 3, connector, 4, wet blank, 5, pressure plate, 6, negative pressure bottom template, 7, Negative pressure side template, 8, negative pressure top template.

detailed description

Specific embodiment 1

A fiber cement pipe brick as shown in FIG. 1 , comprising a tubular body 1 having a rectangular parallelepiped shape, the pipe hole 1-1 of the tubular body 1 being a through hole penetrating through the top surface and the bottom surface of the tubular body 1 , the tubular body 1 Fiber cement material is used.

The manufacturing method of the fiber cement pipe brick shown in Fig. 1 comprises the following steps: (1) mixing raw materials to prepare slurry; (2) net cage copying slurry to form sheet material, and winding the sheet material into a multi-layer extrusion system. Round tubular wet blank, this step is prior art (3) The circular tubular wet billet is overmolded into a tubular body 1 having a rectangular parallelepiped shape: (3-1) As shown in Fig. 6, the round tubular wet blank 4 is placed on the negative pressure bottom template 6, wet The central axis of the blank 4 is parallel to the negative pressure bottom template 6, and a pressure plate 5 is placed in the tube hole of the wet blank 4, and the pressure plate 5 is pressed while the negative pressure bottom template 6 is evacuated, and the wet blank 4 is placed on the pressure plate 5 and the negative pressure. The portion between the bottom template 6 is pressed into a first plane (as shown in FIG. 7); (3-2) a negative pressure side template 7 is loaded on each side of the wet blank 4, and the negative pressure side template 7 is in a straight space. Simultaneously compressing the wet blank 4 until a second plane and a third plane perpendicular to the first plane are intersected on the wet blank 4 (as shown in FIG. 8); (3-3) loading the negative pressure top template 8, negative The pressing top template 8 compresses the wet blank 4 while straightening the air until a fourth plane perpendicular to the second plane and the third plane is perpendicularly formed on the wet blank 4 (as shown in FIG. 9); The wet blank 4 is solidified into a tubular body having a rectangular parallelepiped shape.

Specific embodiment 2

A fiber cement pipe brick as shown in FIG. 2, comprising a tubular body 1 having a rectangular parallelepiped shape, the pipe hole 1-1 of the tubular body 1 being a through hole penetrating through the top surface and the bottom surface of the tubular body 1, the tubular body 1 With the fiber cement material, the tubular body 1 has two adjacent side faces which are provided with upper and lower mounting holes 1-2 communicating with the pipe holes 1-1 of the tubular body 1. The tubular body 1 is made of a fiber cement material.

As shown in FIG. 4, the wall includes a row of fiber cement pipe bricks shown in FIG. 2 in the thickness direction, and the fiber cement pipe bricks include a plurality of fiber cement pipe bricks closely arranged in the longitudinal direction of the wall, and a fiber cement pipe. The pipe holes 1-1 of the tubular body 1 of the brick are vertically disposed, and the adjacent fiber cement pipe bricks are fixed by the joint member 3. During construction, the nail gun nozzle is inserted into the tubular body 1 through the mounting hole 1-2, and the injection connecting member 3 nails the two faces adjacent to the tubular body 1 of the two fiber cement pipe bricks through the connecting member 3. The wall has only one layer of fiber cement pipe in the height direction. Therefore, the height of the fiber cement pipe brick is the height of the wall. The height of the tubular body 1 can be set according to the height of the wall, according to the bearing capacity of the wall. The wall thickness of the tubular body 1 is set, the height of the tubular body 1 is generally 0.1-4 m, and the wall thickness of the tubular body 1 is generally 5-20 mm.

The fiber cement pipe brick method shown in Fig. 2 comprises the following steps: (1) mixing raw materials to obtain a slurry; (2) casting to obtain a tubular body; and (4) forming a mounting hole after curing of the tubular body.

Concrete embodiment 3

A fiber cement pipe brick as shown in FIG. 3, comprising a tubular body 1 having a rectangular parallelepiped shape, the pipe hole 1-1 of the tubular body 1 being a through hole penetrating through the top surface and the bottom surface of the tubular body 1, the tubular body 1 The fiber-reinforced cement material has a tubular body 1 having a mounting hole 1-2 on the side thereof that communicates with the pipe hole 1-1 of the tubular body 1 . The tubular body 1 is made of a fiber cement material. The tube hole of the tubular body 1 is filled with a heat insulating strip 2.

As shown in Fig. 5, the wall comprises two rows of fiber cement pipe bricks in the thickness direction, and the outer row adopts the fiber cement pipe bricks shown in Fig. 2, but the heat insulating strips 2 are arranged in the pipe holes of the fiber cement pipe bricks. The fiber cement pipe bricks shown in Figure 3 are used, and each row of fiber cement pipe bricks comprises a plurality of fiber cement pipe bricks closely arranged in the longitudinal direction of the wall, and the fiber cement pipe bricks The pipe hole 1-1 of the tubular body 1 is vertically disposed, and the brick joints of the two rows of fiber cement pipe bricks are staggered, and the ends of the inner row are half-section fiber cement pipe bricks, so that the two rows are aligned at both ends. All adjacent fiber cement pipe bricks are fixed by means of connectors 3. During construction, the nail gun nozzle is inserted into the tubular body 1 through the mounting hole 1-2, and the injection connecting member 3 nails the two faces adjacent to the tubular body 1 of the two fiber cement pipe bricks through the connecting member 3. The wall has only one layer of fiber cement pipe in the height direction. Therefore, the height of the fiber cement pipe brick is the height of the wall. The height of the tubular body 1 can be set according to the height of the wall, according to the bearing capacity of the wall. The wall thickness of the tubular body is set. The height of the tubular body is generally 0.1-4 m, and the wall thickness of the tubular body 1 is generally 5-20 mm.

The fiber cement pipe brick method shown in Figure 3 comprises the following steps: (1) mixing raw materials to prepare a slurry; (2) net cage copying slurry to form a sheet material, and winding the sheet material into a plurality of layers. Round tubular wet billet, this step is prior art; (3) The round tubular wet billet is overmolded into a tubular body having a rectangular parallelepiped shape: (3-1) As shown in Fig. 6, the round tubular wet billet 4 is placed On the negative pressure bottom template 6, the central axis of the wet blank 4 is parallel to the negative pressure bottom template 6, and a pressure plate 5 is placed in the tube hole of the wet blank 4, and the pressure plate 5 is pressed while the negative pressure bottom template 6 is evacuated. The portion of the wet blank 4 between the pressure plate 5 and the negative pressure bottom plate 6 is pressed into a first plane (as shown in FIG. 7); (3-2) a negative pressure side template 7 is loaded on each side of the wet blank 4, The negative pressure side template 7 compresses the wet blank 4 while straightening the air until a second plane and a third plane perpendicular to the first plane are intersected on the wet blank 4 (as shown in FIG. 8); (3-3) Loading the negative pressure top template 8, the negative pressure top template 8 compresses the wet blank 4 while drawing straight until the fourth plane perpendicularly intersecting the second plane and the third plane is extruded on the wet blank 4 (as shown in the figure) 9)); (3-4) wet blank 4 It is solidified into a tubular body having a rectangular parallelepiped shape, and (4) a mounting hole is opened.

The fiber cement pipe brick shown in Fig. 1 can also be used to make the wall body shown in Fig. 4 and Fig. 5, and the adjacent fiber cement pipe bricks are connected by glue, cement or connecting pieces.

The tubular body 1 of the fiber cement pipe of the present invention may also have a cross section as shown in Fig. 10, a parallelogram as shown in Fig. 11, or a trapezoid as shown in Fig. 12, as shown in Figs. 13, 14, and 15, and a tubular shape. The body may also be a tubular body having a matching mating face on the mating face. The manufacturing method of the fiber cement pipe brick refers to the above three embodiments, and the extrusion method of the template is adjusted accordingly. A wire, a steel wire, a wire mesh, a wire mesh, or the like may be added during the winding of the sheet into a tubular shape to form a reinforcing rib.

The following is a performance chart of the fiber cement pipe brick shown in Example 1.

Table 1 (length of the tubular body × width × height × wall thickness = 0.1m × 0.2m × 1m × 10mm)

On the basis of the same size and material, the same test method is used, and the performances of Example 3 and Example 1 are basically the same. The flexural performance is slightly worse, for example 40-60%, freeze-resistant 16-20 times, water absorption 17-19%.

Claims

A fiber cement pipe brick comprising: a straight tubular body, the pipe hole of the tubular body being a through hole penetrating through a top surface and a bottom surface of the tubular body, the tubular body having at least one outer side surface being planar, and the tubular body adopting Fiber cement material.
The fiber cement pipe according to claim 1, wherein the tubular body has a cross section having a triangular, rectangular, trapezoidal or parallelogram shape.
The fiber cement pipe according to claim 1, wherein the abutting faces of the tubular bodies have matching mating portions.
The fiber cement pipe according to claim 1, wherein the tubular body of the tubular body is filled with a heat insulating material.
The fiber cement pipe according to claim 1, wherein said tubular body has a wall thickness of 5-20 mm and a height of 0.1-4 m.
The fiber cement pipe according to claim 5, wherein said tubular body has a height of 2-3 m.
The fiber cement pipe according to claim 1, wherein at least one side of said tubular body is provided with at least one mounting hole communicating with the pipe hole of the tubular body.
The fiber cement pipe according to claim 1, wherein the tubular body has a rectangular cross section, a trapezoidal shape or a parallelogram shape, and the tubular body has at least two adjacent sides. A mounting hole that communicates with the tube bore of the tubular body.
A fiber cement pipe according to any one of claims 1-8, characterized in that the fiber cement material has a fiber weight content of 15-20% and the balance is cement.
A fiber cement pipe according to any one of claims 1-8, characterized in that the fiber cement material comprises cement, fiber and fly ash, the fiber weight content is 15-20%, and the fly ash weight The content is 15-20%, and the balance is cement.
The fiber cement pipe according to claim 10, wherein the fiber is one or more of glass fiber, asbestos fiber, sepiolite fiber, chemical fiber, and plant fiber.
A fiber cement pipe according to any one of claims 1 to 8, characterized in that the tubular body is embedded with reinforcing ribs.
A fiber cement pipe according to any one of claims 1 to 8, wherein said tubular body is a tubular body obtained by the following method, and the method of producing a tubular body comprises the following steps: (1) Fiber cement slurry; (2) The net cage is used to prepare the flake material to form a sheet material, and the sheet material is wound into a plurality of layers to be extruded into a round tubular wet billet; (3) the round tubular wet billet is formed into a tubular shape. main body.
The fiber cement pipe according to claim 13, wherein the step (3) comprises the following steps: (3-1) placing the circular tubular wet blank on the negative pressure bottom template, the central axis of the wet blank Parallel to the negative pressure bottom template, a pressure plate is placed in the tube hole of the wet blank, and the negative pressure bottom template is evacuated while the pressure plate is pressed, and the portion between the pressure plate and the negative pressure bottom template is pressed into a first plane; (3-2) A negative pressure side template is loaded on each side of the wet blank, and the negative pressure side template compresses the wet blank while straightening the air until a second plane perpendicular to the first plane is pressed out on the wet blank And the third plane; (3-3) loading the negative pressure top template, and the negative pressure top template compresses the wet blank while drawing straight until the first and third planes intersect perpendicularly on the wet blank Four planes; (3-4) The wet billet is solidified into a tubular body having a rectangular parallelepiped shape.
A wall body characterized by: the wall body using the fiber cement pipe brick according to any one of claims 1-8, the wall body comprising at least one row of fiber cement in a thickness direction Pipe brick, each row of fiber cement pipe brick comprises a plurality of fiber cement pipe bricks arranged closely in the longitudinal direction of the wall, and the pipe holes of the tubular body of the fiber cement pipe brick are vertically arranged, and adjacent fiber cement in each row of fiber cement pipe bricks The tube bricks are fixed.
The wall according to claim 15, wherein said wall has only one layer of said fiber cement pipe in the height direction.
The wall according to claim 15, wherein the wall body comprises a plurality of rows of closely arranged fiber cement pipe bricks in a thickness direction, and brick joints of adjacent rows of fiber cement pipe bricks are staggered, adjacent to each other. The adjacent fiber cement pipe bricks in the row are fixed.
The wall according to claim 17, wherein said wall body comprises two rows of closely arranged fiber cement pipe bricks in a thickness direction, wherein a row of fiber cement pipe bricks is made of a half-section of fiber cement at both ends thereof. The tube bricks are filled with another row.
The wall according to claim 18, wherein adjacent fiber cement pipe bricks in each row are fixedly connected by a connecting member, and each fiber cement pipe brick in one row is adjacent to two adjacent ones in the other row. Fiber cement pipe bricks are fixed by connectors.
A method for manufacturing a fiber cement pipe brick according to any one of claims 1-8, comprising the steps of: (1) mixing raw materials to prepare a fiber cement slurry; and (2) retrieving the net cage The pulp is formed into a sheet material, and the sheet material is wound into a plurality of layers to be extruded into a round tubular wet billet; (3) the round tubular wet billet is overmolded into a tubular body.
The method for manufacturing a fiber cement pipe according to claim 20, wherein the step (3) comprises the following steps: (3-1) placing the round tubular wet blank on the negative pressure bottom template, the wet blank The central axis is parallel to the negative pressure bottom template, and a pressure plate is placed in the tube hole of the wet blank, and the negative pressure bottom template is vacuumed while the pressure plate is pressed, and the portion between the pressure plate and the negative pressure bottom template is pressed into the first part. a plane; (3-2) each of the two sides of the wet blank is loaded with a negative pressure side template, and the negative pressure side template compresses the wet blank while straightening the air until the wet blank is pressed perpendicularly to the first plane. a second plane and a third plane; (3-3) loading a negative pressure top template, and the negative pressure top template compresses the wet blank while drawing straight until it is pressed out on the wet blank with the second plane and The fourth plane intersects the fourth plane perpendicularly; (3-4) the wet billet is solidified into a tubular body having a rectangular parallelepiped shape.