A basalt fiber bundle reinforced autoclaved aerated concrete board and its production process
By using basalt fiber bundles instead of traditional reinforced mesh in autoclaved aerated concrete slabs, the problem of corrosion of reinforced mesh in alkaline environments is solved, and higher strength, corrosion resistance and durability are achieved.
Patent Information
- Application Number
- CN202410812967.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-23
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2044-06-23
AI Technical Summary
The steel mesh used in traditional autoclaved aerated concrete slabs are prone to corrosion in an alkaline environment, causing the plate surface to bulge and crack, affecting the safety and quality of construction projects.
Basalt fiber bundles are used instead of traditional reinforced mesh. By setting at least one basalt fiber bundle layer parallel to the plate surface in the autoclaved aerated concrete slab, the mechanical properties and corrosion resistance of the sheet are enhanced by using the high strength and refractory properties of the basalt fiber bundles.
It improves the strength, corrosion resistance and durability of the autoclaved aerated concrete slab, reduces the product weight, reduces production costs, and improves the crack resistance of the sheet.
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Figure CN118815062B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of building materials, and in particular to a basalt fiber bundle reinforced autoclaved aerated concrete board and a production process thereof. Background Art
[0002] Building partitions are an important part of buildings, accounting for about 1 / 3 of the total building components. Therefore, realizing the industrialization and assembly of building partitions is the first choice and an important way to promote prefabricated buildings.
[0003] At present, autoclaved aerated concrete panels are often used in engineering to form building partitions, and steel mesh is configured in the autoclaved aerated concrete panels to enhance the mechanical properties of the panels. However, autoclaved aerated concrete is alkaline, and the steel mesh must be treated with rust prevention, which is bound to increase the production process and production costs; at the same time, due to the inadequate rust prevention of the steel mesh, the high temperature and high pressure steam curing process will accelerate the corrosion of the steel mesh, resulting in corrosion of the steel mesh during the use of the autoclaved aerated concrete panels, bulging and cracking of the panel surface, and other problems, affecting the safety and quality of the construction project. Summary of the invention
[0004] The present invention provides a basalt fiber bundle reinforced autoclaved aerated concrete board and its production process, which is used to overcome the above technical problems and has better strength, corrosion resistance and durability.
[0005] In order to achieve the above-mentioned purpose of the invention, a first aspect of an embodiment of the present application provides a basalt fiber bundle reinforced autoclaved aerated concrete board, including an autoclaved aerated concrete board body and a basalt fiber bundle layer, wherein the autoclaved aerated concrete board body is provided with at least one basalt fiber bundle layer parallel to the board surface of the autoclaved aerated concrete board body, and the basalt fiber bundle layer is woven into a grid shape by basalt fiber bundles.
[0006] The basalt fiber bundles include warp basalt fiber bundles and weft basalt fiber bundles, and the warp basalt fiber bundles and the weft basalt fiber bundles are bound by basalt fiber filaments or bonded by a high-temperature resistant adhesive.
[0007] Preferably, two layers of basalt fiber bundles arranged parallel to each other are arranged in the autoclaved aerated concrete panel.
[0008] In order to make the basalt fiber bundle have a certain hardness, it can be inserted into the autoclaved aerated concrete raw material before foaming during the production of autoclaved aerated concrete panels.
[0009] Optionally, the basalt fiber bundle includes a fiber bundle body formed by mechanically straightening and bundling multiple continuous basalt fiber filaments, and the outside of the fiber bundle body is wound with basalt fibers or plastic rubber threads. Further preferably, the basalt fiber layer or plastic rubber thread layer wound outside the fiber bundle body is coated with a resin layer.
[0010] Optionally, the basalt fiber bundle is a basalt fiber strand made by spirally winding multiple fiber bundle bodies. The fiber bundle body is made by mechanically straightening multiple continuous basalt fiber filaments and then bundling them. More preferably, the outside of the basalt fiber strand is wound with basalt fiber or plastic rubber wire. More preferably, the outside of the basalt fiber strand is coated with a reinforcement layer. Optionally, the reinforcement layer is a plastic reinforcement layer, an alkali-resistant steel reinforcement layer, etc.
[0011] Alternatively, the basalt fiber bundle includes a reinforcing rod and a plurality of fiber bundle bodies twisted around the reinforcing rod. The reinforcing rod may be a plastic rod, an alkali-resistant steel rod, or the like.
[0012] The second aspect of the present application provides a production process for producing the basalt fiber bundle reinforced autoclaved aerated concrete board, comprising the following steps:
[0013] S1. A fixed basalt fiber bundle layer is arranged in the autoclaved aerated concrete foaming frame according to the designed spacing;
[0014] S2. pouring the autoclaved aerated concrete mixed raw materials into the autoclaved aerated concrete foaming frame.
[0015] The production process, after the steps S1 and S2, further comprises the following steps: stopping, foaming, cutting, autoclaving and curing, and unloading from the autoclave.
[0016] The cutting mentioned above refers to cutting along the cutting line according to the required factory length of the product.
[0017] Generally, the length of the autoclaved aerated concrete foaming frame is an integral multiple of the length of the autoclaved aerated concrete board, the height of the autoclaved aerated concrete foaming frame is an integral multiple of the width of the autoclaved aerated concrete board, and the width of the autoclaved aerated concrete foaming frame is an integral multiple of the thickness of the autoclaved aerated concrete board.
[0018] In some embodiments of the present application, step S2 is performed after step S1 is completed, and step S1 includes the following sub-steps:
[0019] S111. Arrange fixed latitudinal basalt fiber bundles in the autoclaved aerated concrete foaming frame according to the designed spacing.
[0020] S112, the warp basalt fiber bundles are arranged and fixed on the weft basalt fiber bundles arranged in step S121 according to the designed spacing. Specifically, the warp basalt fiber bundles and the weft basalt fiber bundles are optionally bound by basalt fiber filaments or bonded by a high temperature resistant adhesive.
[0021] In the S111, the two ends of the latitudinal basalt fiber bundle are fixedly connected to the side walls of the corresponding sides of the autoclaved aerated concrete foaming frame through tension anchors, and the corresponding positions of the side walls of the autoclaved aerated concrete foaming frame are provided with through holes for the ends of the latitudinal basalt fiber bundle to pass through, and tension anchors are installed on the ends of the latitudinal basalt fiber bundles passing through the side walls of the autoclaved aerated concrete foaming frame.
[0022] Furthermore, the tension anchor comprises an externally threaded jaw and an internally threaded chuck, the externally threaded jaw comprises a positioning ring and an externally threaded sleeve fixedly connected to the positioning ring, a plurality of notches penetrating the externally threaded sleeve along the axial direction are arranged on the externally threaded sleeve along the circumferential direction, the internally threaded chuck comprises an internally threaded sleeve and a guide sleeve fixedly connected to the end of the internally threaded sleeve, the inner wall of the guide sleeve is a conical surface, the externally threaded jaw is sleeved on the end of the latitudinal basalt fiber bundle passing through the through hole, and the positioning ring of the externally threaded jaw is fitted to the autoclaved aerated concrete foaming frame, the internal thread of the internally threaded sleeve is matched and connected with the thread of the externally threaded sleeve, the externally threaded sleeve is squeezed by the inner wall of the guide sleeve by screwing the internally threaded chuck, and the end of the latitudinal basalt fiber bundle is clamped and fixed by the externally threaded sleeve.
[0023] Furthermore, after the cutting step, the method further includes removing the tension anchors at both ends of the latitudinal basalt fiber bundle.
[0024] The above embodiment is preferably applicable to the working condition where the basalt fiber bundle used is a basalt fiber bundle with insufficient hardness, but is not limited to this working condition and can be selected according to actual conditions.
[0025] In some other embodiments of the present application, step S2 and step S1 are performed simultaneously, and step S1 includes the following sub-steps:
[0026] S121, tension and fix the basalt fiber bundle layer using a tensioning and fixing device,
[0027] S122, placing the tensioning and fixing device on which the basalt fiber bundle layer is tensioned and fixed in step S121 in an autoclaved aerated concrete foaming frame poured with autoclaved aerated concrete mixed raw materials.
[0028] Furthermore, the tensioning and fixing device includes tensioning and fixing sub-sections arranged on the left and right sides of the basalt fiber bundle layer, and the tensioning and fixing sub-sections arranged on both sides have the same structure. The tensioning and fixing sub-section includes an end plate perpendicular to the basalt fiber bundle layer, and the end plate is provided with a through hole through which the end of the weft basalt fiber bundle of the basalt fiber bundle layer passes through. The side of the end plate away from the basalt fiber bundle layer is taken as the outer side, and a fixed clamp seat is arranged at the lower part of each through hole on the outer side of the end plate, and the end of the weft basalt fiber bundle passing through the through hole is supported by the fixed clamp seat, and a movable clamp seat is arranged at the upper part of each through hole on the outer side of the end plate, and the movable clamp seat is located at one end of the connecting rod, and the connecting rod is close to the center The position of the part is rotatably installed on the outer side of the end plate through a rotating shaft, and the other end of the connecting rod is provided with a sliding groove extending in the extending direction of the connecting rod. A lifting plate parallel to the end plate is also provided on the outer side of the end plate, and sliding seats are provided on the upper and lower parts of the outer side of the end plate. The sliding seats are provided with guide grooves extending in the vertical direction and matching with the lifting plate. The corresponding positions of the upper and lower parts of the lifting plate are slidably installed in the guide grooves of the corresponding sliding seats, and a driving device for driving the lifting plate to rise and fall in the vertical direction is installed on the upper sliding seat. The lifting plate is located on the outer side of each connecting rod, and a driving shaft matching with the sliding groove of each connecting rod is provided on the inner side of the lifting plate, and the driving shaft is placed in the sliding groove of the corresponding connecting rod.
[0029] Therefore, the operation method of step S121 is as follows: slide the lifting plates of the tensioning and fixing sections on both sides downward, and move the movable clamp seats upward to open the outer spaces of the perforations, and the two ends of each latitudinal basalt fiber bundle of the basalt fiber bundle layer correspond to the perforations of the end plates of the tensioning and fixing sections on both sides, and then slide the lifting plates of the tensioning and fixing sections on both sides upward, and move the movable clamp seats downward, so that the ends of each latitudinal basalt fiber bundle are clamped by the movable clamp seats and the corresponding fixed clamp seats.
[0030] Optionally, the driving device is a driving bolt rotatably mounted on the upper slide, and a threaded hole matching the driving bolt is provided on the lifting plate, and the driving bolt is installed in the threaded hole. Thus, the lifting plate can be driven to rise and fall vertically along the guide groove by rotating the driving bolt forward or backward. Further preferably, an operating handle is installed on the top of the driving bolt.
[0031] Optionally, a connection portion for clamping is provided on the top of the end plate.
[0032] Furthermore, before the static stop step, the tensioning and fixing device also includes the step of releasing the basalt fiber bundle layer and removing the tensioning and fixing device from the foaming frame. The specific operation method is: slide the lifting plates of the tensioning and fixing divisions on both sides downward, and move each movable clamp seat upward, so that the outer space of each perforation is opened, and the clamping state of each movable clamp seat and the corresponding fixed clamp seat is released. At this time, when the tensioning and fixing device is taken out upward, both ends of each latitudinal basalt fiber bundle of the basalt fiber bundle layer leave the tensioning and fixing device from the corresponding perforations of the end plates of the tensioning and fixing divisions on both sides. Of course, in order to make the disengagement action smoother, the tensioning and fixing division can be moved horizontally first, so that the ends of the latitudinal basalt fiber bundles leave the movable tensioning and fixing division from the perforations, and then the movable tensioning and fixing division is lifted upward.
[0033] The above embodiment is preferably applicable to the working condition where the basalt fiber bundle used is a basalt fiber bundle with sufficiently high hardness, but is not limited to this working condition and can be selected according to actual conditions.
[0034] One or more technical solutions in the embodiments of the present application have at least the following technical effects or advantages:
[0035] The use of durable, lightweight and high-strength basalt fiber bundles to replace traditional steel mesh solves the problem of traditional steel mesh being easily corroded in autoclaved aerated concrete, improves the product quality of autoclaved aerated concrete panels, and reduces the product's own weight.
[0036] The diameter of steel bars in traditional autoclaved aerated concrete panels is ≥4mm, but the use of basalt fiber can further reduce the diameter of the fiber bundle due to its high strength, reduce the amount of material used, and give full play to the characteristics of the material.
[0037] Since basalt fiber has good fire resistance, using it instead of traditional steel bars can also improve the fire resistance of the board.
[0038] Using basalt fiber instead of traditional steel bars can also improve the crack resistance of the board.
[0039] The processing technology proposed in this application and the basalt fiber bundle tensioning device adopted reduce the construction difficulty, ensure the processing quality, and at the same time ensure that the distribution position of the basalt fiber bundle inside the autoclaved aerated concrete board is accurate and guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS
[0040] Figure 1 This is a schematic diagram of the structure of the autoclaved aerated concrete panel of the present application;
[0041] Figure 2 It is a schematic side view of the structure of the autoclaved aerated concrete panel of the present application;
[0042] Figure 3This is a schematic structural diagram of an embodiment of a basalt fiber bundle of the present application;
[0043] Figure 4 This is a schematic structural diagram of another embodiment of the basalt fiber bundle of the present application;
[0044] Figure 5 This is a schematic structural diagram of a third embodiment of the basalt fiber bundle of the present application;
[0045] Figure 6 This is a schematic diagram of the structure in which both ends of the latitudinal basalt fiber bundle in the present application are fixedly connected to the side walls of the corresponding sides of the autoclaved aerated concrete foaming frame through tension anchors;
[0046] Figure 7 for Figure 6 a top view of the illustrated embodiment;
[0047] Figure 8 is a structural schematic diagram of a tension anchor;
[0048] Fig. 9 This is a schematic diagram of the structure of the basalt fiber bundle layer being tensioned and fixed by the tensioning and fixing device in this application;
[0049] Fig.10 It is a structural schematic diagram of the tensioning and fixing device;
[0050] Fig.11 It is a side view structural diagram of the tensioning and fixing section.
[0051] In the figure: 1-autoclaved aerated concrete plate, 2-basalt fiber bundle layer, 21-warp basalt fiber bundle, 22-weft basalt fiber bundle, 23-fiber bundle body, 24-basalt fiber strand, 25-reinforcement layer, 26-reinforcement rod, 30-autoclaved aerated concrete foaming frame, 40-tensioning anchor, 41-external threaded clamp, 42-internal threaded clamp, 50-tensioning fixture, 51-tensioning fixture section, 52-end plate, 53-fixed clamp seat, 54-movable clamp seat, 55-connecting rod, 56-rotating shaft, 57-slide, 58-lifting plate, 59-slide seat, 60-driving device, 61-driving shaft. DETAILED DESCRIPTION
[0052] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0053] like Figure 1 , Figure 2As shown, an embodiment of the present application provides a basalt fiber bundle reinforced autoclaved aerated concrete board, including an autoclaved aerated concrete board body 1 and a basalt fiber bundle layer 2, wherein the autoclaved aerated concrete board body 1 is provided with at least one layer of basalt fiber bundle layer 2 parallel to the board surface of the autoclaved aerated concrete board body 1, and the basalt fiber bundle layer 2 is woven into a grid shape by basalt fiber bundles.
[0054] The basalt fiber bundles include a warp basalt fiber bundle 21 and a weft basalt fiber bundle 22 . The warp basalt fiber bundles 21 and the weft basalt fiber bundles 22 are bound together by basalt fiber filaments or bonded by a high temperature resistant adhesive.
[0055] Preferably, two layers of basalt fiber bundles 2 arranged parallel to each other are arranged inside the autoclaved aerated concrete slab 1.
[0056] In order to make the basalt fiber bundle have a certain hardness, it can be inserted into the autoclaved aerated concrete raw material before foaming during the production of autoclaved aerated concrete panels.
[0057] Optional, such as Figure 3 As shown, the basalt fiber bundle includes a fiber bundle body 23 formed by mechanically straightening and bundling multiple continuous basalt fiber filaments, and basalt fibers or plastic rubber threads are wound around the outside of the fiber bundle body 23. Further preferably, the basalt fiber layer or plastic rubber thread layer wound around the outside of the fiber bundle body 23 is coated with a resin layer.
[0058] Also optional, such as Figure 4 As shown, the basalt fiber bundle is a basalt fiber strand 24 made by spirally winding multiple fiber bundle bodies 23. The fiber bundle body 23 is made by mechanically straightening multiple continuous basalt fiber filaments and then bundling them. Further preferably, the outside of the basalt fiber strand 24 is wound with basalt fiber or plastic rubber wire. Further preferably, the outside of the basalt fiber strand 24 is coated with a reinforcement layer 25. Optionally, the reinforcement layer 25 is a plastic reinforcement layer 25, an alkali-resistant steel reinforcement layer 25, etc.
[0059] Also optional, such as Figure 5 As shown, the basalt fiber bundle includes a reinforcing rod 26 and a plurality of fiber bundle bodies 23 twisted around the reinforcing rod 26. The reinforcing rod 26 may be a plastic rod, an alkali-resistant steel rod, or the like.
[0060] The second aspect of the present application provides a production process for producing the basalt fiber bundle reinforced autoclaved aerated concrete board, comprising the following steps:
[0061] S1, setting and fixing the basalt fiber bundle layer 2 in the autoclaved aerated concrete foaming frame 30 according to the designed spacing;
[0062] S2, pouring the autoclaved aerated concrete mixed raw material into the autoclaved aerated concrete foaming frame 30.
[0063] The production process, after the steps S1 and S2, further comprises the following steps: stopping, foaming, cutting, autoclaving and curing, and unloading from the autoclave.
[0064] The cutting mentioned above refers to cutting along the cutting line according to the required factory length of the product.
[0065] Generally, the length of the autoclaved aerated concrete foaming frame 30 is an integral multiple of the length of the autoclaved aerated concrete board, the height of the autoclaved aerated concrete foaming frame 30 is an integral multiple of the width of the autoclaved aerated concrete board, and the width of the autoclaved aerated concrete foaming frame 30 is an integral multiple of the thickness of the autoclaved aerated concrete board.
[0066] In some embodiments of the present application, step S2 is performed after step S1 is completed, and step S1 includes the following sub-steps:
[0067] S111, arranging fixed latitudinal basalt fiber bundles 22 in the autoclaved aerated concrete foaming frame 30 according to the designed spacing,
[0068] S112, the warp basalt fiber bundles 21 are fixed on the weft basalt fiber bundles 22 arranged in step S121 according to the designed spacing. Specifically, the warp basalt fiber bundles 21 and the weft basalt fiber bundles 22 are tied with basalt fiber filaments or bonded with a high temperature resistant adhesive.
[0069] In the S111, Figure 6 , Figure 7 As shown, the two ends of the latitudinal basalt fiber bundle 22 are fixedly connected to the side wall of the corresponding side of the autoclaved aerated concrete foaming frame 30 through the tension anchor 40, and the corresponding position of the side wall of the autoclaved aerated concrete foaming frame 30 is provided with a through hole for the end of the latitudinal basalt fiber bundle 22 to pass through, and the tension anchor 40 is installed at the end of the latitudinal basalt fiber bundle 22 passing through the side wall of the autoclaved aerated concrete foaming frame 30.
[0070] Further, such as Figure 8As shown, the tension anchor 40 includes an external threaded jaw 41 and an internal threaded chuck 42. The external threaded jaw 41 includes a positioning ring and an external threaded sleeve fixedly connected to the positioning ring. A plurality of notches that penetrate the external threaded sleeve axially are circumferentially arranged on the external threaded sleeve. The internal threaded chuck 42 includes an internal threaded sleeve and a guide sleeve fixedly connected to the end of the internal threaded sleeve. The inner wall of the guide sleeve is a conical surface. The external threaded jaw 41 is sleeved on the end of the latitudinal basalt fiber bundle 22 passing through the through hole, and the positioning ring of the external threaded jaw 41 is fitted to the autoclaved aerated concrete foaming frame 30. The internal thread of the internal threaded sleeve is matched with the thread of the external threaded sleeve. By screwing the internal threaded chuck 42, the external threaded sleeve is squeezed by the inner wall of the guide sleeve, and the end of the latitudinal basalt fiber bundle 22 is clamped and fixed by the external threaded sleeve.
[0071] Furthermore, after the cutting step, the method further includes removing the tension anchors 40 at both ends of the latitudinal basalt fiber bundle 22 .
[0072] The above embodiment is preferably applicable to the working condition where the basalt fiber bundle used is a basalt fiber bundle with insufficient hardness, but is not limited to this working condition and can be selected according to actual conditions.
[0073] In some other embodiments of the present application, step S2 and step S1 are performed simultaneously, and step S1 includes the following sub-steps:
[0074] S121, such as Fig. 9 As shown, the basalt fiber bundle layer 2 is tensioned and fixed by a tensioning and fixing device 50.
[0075] S122, placing the tensioning and fixing device 50 on which the basalt fiber bundle layer 2 is tensioned and fixed in step S121 into the autoclaved aerated concrete foaming frame 30 poured with the autoclaved aerated concrete mixed raw material.
[0076] Further, such as Fig.10 , Fig.11As shown, the tensioning and fixing device 50 includes tensioning and fixing sub-sections 51 arranged on the left and right sides of the basalt fiber bundle layer 2, and the tensioning and fixing sub-sections 51 arranged on both sides have the same structure. The tensioning and fixing sub-sections 51 include an end plate 52 perpendicular to the basalt fiber bundle layer 2, and the end plate 52 is provided with a through hole through which the end of the latitudinal basalt fiber bundle 22 of the basalt fiber bundle layer 2 passes. The side of the end plate 52 away from the basalt fiber bundle layer 2 is taken as the outer side, and a fixed clamp seat 53 is arranged at the lower part of each through hole on the outer side of the end plate 52, and the end of the latitudinal basalt fiber bundle 22 passing through the through hole is supported by the fixed clamp seat 53, and a movable clamp seat 54 is arranged at the upper part of each through hole on the outer side of the end plate 52, and the movable clamp seat 54 is located at one end of a connecting rod 55, and the connecting rod 55 is connected to the rotating shaft near the middle. 56 is rotatably mounted on the outer side of the end plate 52, the other end of the connecting rod 55 is provided with a slide groove 57 extending along the extending direction of the connecting rod 55, and the outer side of the end plate 52 is also provided with a lifting plate 58 parallel to the end plate 52, and the upper and lower parts of the outer side of the end plate 52 are provided with slide seats 59, and the slide seats 59 are provided with guide grooves extending in the vertical direction that cooperate with the lifting plate 58. The corresponding positions of the upper and lower parts of the lifting plate 58 are slidably mounted in the guide grooves of the corresponding slide seats 59, and a driving device 60 for driving the lifting plate 58 to rise and fall in the vertical direction is installed on the upper slide seat 59. The lifting plate 58 is located on the outer side of each connecting rod 55, and a driving shaft 61 that cooperates with the slide groove 57 of each connecting rod 55 is provided on the inner side of the lifting plate 58, and the driving shaft 61 is placed in the slide groove 57 of the corresponding connecting rod 55.
[0077] Therefore, the operation method of step S121 is as follows: slide the lifting plates 58 of the tensioning and fixing sections 51 on both sides downward, and move the movable clamp seats 54 upward, so that the outer space of each perforation is opened, and the two ends of each weft basalt fiber bundle 22 of the basalt fiber bundle layer 2 correspond to the perforations of the end plates 52 of the tensioning and fixing sections 51 on both sides, and then slide the lifting plates 58 of the tensioning and fixing sections 51 on both sides upward, and move the movable clamp seats 54 downward, so that the ends of each weft basalt fiber bundle 22 are clamped by each movable clamp seat 54 and the corresponding fixed clamp seat 53.
[0078] Optionally, the driving device 60 is a driving bolt rotatably mounted on the upper slide 59, and a threaded hole matching the driving bolt is provided on the lifting plate 58, and the driving bolt is installed in the threaded hole. Thus, the lifting plate 58 can be driven to rise and fall vertically along the guide groove by rotating the driving bolt forward or backward. Further preferably, an operating handle is installed on the top of the driving bolt.
[0079] Optionally, a connection portion for clamping is provided on the top of the end plate 52.
[0080] Furthermore, before the static stop step, the tensioning and fixing device 50 also includes the step of releasing the basalt fiber bundle layer 2 and removing the tensioning and fixing device 50 from the foaming frame. The specific operation method is: the lifting plates 58 of the tensioning and fixing divisions 51 on both sides are slid downward, and each movable clamp seat 54 moves upward, so that the outer space of each perforation is opened, and the clamping state of each movable clamp seat 54 and the corresponding fixed clamp seat 53 is released. At this time, when the tensioning and fixing device 50 is taken out upward, both ends of each latitudinal basalt fiber bundle 22 of the basalt fiber bundle layer 2 leave the tensioning and fixing device 50 from the corresponding perforations of the end plates 52 of the tensioning and fixing divisions 51 on both sides. Of course, in order to make the disengagement action smoother, the tensioning and fixing division 51 can be moved horizontally first, so that the ends of the latitudinal basalt fiber bundles 22 leave the movable tensioning and fixing division 51 from the perforations, and then the movable tensioning and fixing division 51 is lifted upward.
[0081] The above embodiment is preferably applicable to the working condition where the basalt fiber bundle used is a basalt fiber bundle with sufficiently high hardness, but is not limited to this working condition and can be selected according to actual conditions.
[0082] It should be noted that the above embodiments illustrate the present application rather than limit the present application, and those skilled in the art may design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference symbol between brackets should not be constructed as a limitation to the claims. The words "comprise" or "include" do not exclude the presence of elements or steps not listed in the claims. The word "one" or "an" preceding an element does not exclude the presence of a plurality of such elements. The use of the words first, second, and third, etc. does not indicate any order, and these words may be interpreted as names.
[0083] All features disclosed in this specification, except mutually exclusive features, can be combined in any way.
[0084] Any feature disclosed in this specification (including any additional claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.
[0085] The present application is not limited to the aforementioned specific implementations, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.
Claims
1. A processing technology for basalt fiber bundle reinforced autoclaved aerated concrete board, characterized in that: The following steps are involved: S1. A fixed basalt fiber bundle layer is arranged in the autoclaved aerated concrete foaming frame according to the designed spacing; S2, pouring autoclaved aerated concrete mixed raw materials into the autoclaved aerated concrete foaming frame; The step S2 and the step S1 are performed simultaneously, and the step S1 includes the following sub-steps: S121, tension and fix the basalt fiber bundle layer using a tensioning and fixing device, S122, placing the tensioning and fixing device with the basalt fiber bundle layer tensioned and fixed in step S121 in an autoclaved aerated concrete foaming frame poured with autoclaved aerated concrete mixed raw materials; The tensioning and fixing device comprises tensioning and fixing sub-sections arranged on the left and right sides of the basalt fiber bundle layer, and the tensioning and fixing sub-sections arranged on the two sides have the same structure. The tensioning and fixing sub-section comprises an end plate perpendicular to the basalt fiber bundle layer, and the end plate is provided with a through hole through which the end of the weft basalt fiber bundle of the basalt fiber bundle layer passes, and the side of the end plate away from the basalt fiber bundle layer is taken as the outer side, and a fixed clamp seat is arranged at the lower part of each through hole on the outer side of the end plate, and the end of the weft basalt fiber bundle passing through the through hole is supported by the fixed clamp seat, and a movable clamp seat is arranged at the upper part of each through hole on the outer side of the end plate, and the movable clamp seat is located at one end of the connecting rod, and the connecting rod is close to the middle. The position is rotatably installed on the outer side of the end plate through a rotating shaft, and the other end of the connecting rod is provided with a sliding groove extending in the extending direction of the connecting rod. A lifting plate parallel to the end plate is also provided on the outer side of the end plate, and sliding seats are provided on the upper and lower parts of the outer side of the end plate. The sliding seats are provided with guide grooves extending in the vertical direction and matching with the lifting plates. The corresponding positions of the upper and lower parts of the lifting plates are slidably installed in the guide grooves of the corresponding sliding seats, and a driving device for driving the lifting plates to rise and fall in the vertical direction is installed on the upper sliding seat. The lifting plates are located on the outer side of each connecting rod, and a driving shaft matching with the sliding grooves of each connecting rod is provided on the inner side of the lifting plates, and the driving shaft is placed in the sliding groove of the corresponding connecting rod.
2. The processing technology according to claim 1, characterized in that: The operation method of step S121 is as follows: slide the lifting plates of the tensioning and fixing sections on both sides downward, and move the movable clamp seats upward to open the outer spaces of the perforations. Both ends of each latitudinal basalt fiber bundle of the basalt fiber bundle layer pass through the perforations of the end plates of the tensioning and fixing sections on both sides. Then slide the lifting plates of the tensioning and fixing sections on both sides upward, and move the movable clamp seats downward. The ends of each latitudinal basalt fiber bundle are clamped by the movable clamp seats and the corresponding fixed clamp seats.
3. The processing technology according to claim 1, characterized in that: The method also includes the steps of releasing the basalt fiber bundle layer by the tensioning and fixing device, and removing the tensioning and fixing device from the foaming frame.
4. The processing technology according to claim 2 or 3, characterized in that: The basalt fiber bundle reinforced autoclaved aerated concrete board processed by the processing technology comprises an autoclaved aerated concrete board body and a basalt fiber bundle layer, wherein the autoclaved aerated concrete board body is provided with at least one basalt fiber bundle layer parallel to the board surface of the autoclaved aerated concrete board body, and the basalt fiber bundle layer is woven into a grid shape by basalt fiber bundles.
5. The processing technology according to claim 4, characterized in that: The basalt fiber bundles include warp basalt fiber bundles and weft basalt fiber bundles, and the warp basalt fiber bundles and the weft basalt fiber bundles are bound by basalt fiber filaments or bonded by a high-temperature resistant adhesive.
Citation Information
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