Quick rotary forming equipment and method for all-solid waste concrete hollow pipe

Abstract

The invention relates to full-solid waste concrete hollow pipe rapid rotation forming equipment and method.The full-solid waste concrete hollow pipe rapid rotation forming equipment comprises a feeding control device, a material conveying rolling power device, a rapid cooling roller and a forming device, and the feeding control device is connected with the material conveying rolling power device through a discharging pipe; the material conveying rolling power device is connected with the rapid cooling roller and the forming device through a material conveying pipe; the condensation pipe rapidly rotates to effectively take away heat in the condensation pipe, so that the condensation curing forming time is shortened, and the internal and external temperature difference is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to a forming device, in particular to a full solid waste concrete hollow pipe rapid rotary forming device and method. BACKGROUND

[0002] At present, the forming of concrete hollow pipe mainly adopts centrifugal forming method or mold vibration forming method. However, the overall process still mainly uses natural cooling or simple water cooling. For example, patents CN 116198017 A and CN 119238709 A, the structure includes a main frame, a rotating cylinder, a driving system, a feeding system and a cooling system, and each component is connected through flanges, bearing seats and shaft couplings. The forming process includes batching, feeding, centrifugal forming, preliminary curing and demolding curing, and the key parameters include speed, time and temperature. The existing cooling system is simple in design and cannot quickly remove heat during the forming process.

[0003] During the pouring process of traditional cement, a large amount of heat is accumulated, and if not properly handled, cracks caused by temperature stress will occur, the overall structure will be damaged, and the bearing capacity of the structure will be adversely affected. Full solid waste sulphoaluminate cement has the characteristics of early strength and fast hardening, and rapidly releases heat within 1h of hydration. The heat accumulation problem will be more obvious during the pouring process of large volume, and effectively solving the heat transfer problem during the hardening process of full solid waste sulphoaluminate cement can greatly improve the forming speed of full solid waste sulphoaluminate cement components.

[0004] The existing technology has the problems of slow cooling speed, poor forming uniformity, high energy consumption and size precision fluctuation. The reasons include low efficiency of cooling method, non-optimization of process parameters for solid waste concrete, and poor control of mold thermal expansion and contraction, resulting in long production cycle and unstable product performance.

[0005] Therefore, it is necessary to produce a full solid waste concrete hollow pipe rapid rotary forming device and method which is simple in structure, easy to operate, can effectively remove heat to reduce the temperature difference between the inside and outside, effectively increase the heat exchange rate, increase the utilization rate of solid waste, indirectly reduce the energy consumption in the preparation process, save energy and protect the environment, and the method is simple and easy to operate, which has a wide market prospect. SUMMARY

[0006] In view of the shortcomings of the prior art, the present application provides a full solid waste concrete hollow pipe rapid rotary forming device and method which is simple in structure, easy to operate, can effectively remove heat to reduce the temperature difference between the inside and outside, effectively increase the heat exchange rate, increase the utilization rate of solid waste, indirectly reduce the energy consumption in the preparation process, save energy and protect the environment, and the method is simple and easy to operate, which is used to overcome the defects in the prior art.

[0007] The technical scheme of the present application is implemented as follows: a full solid waste concrete hollow pipe rapid rotary forming device, which comprises a feeding control device, a material conveying and rolling power device, a rapid cooling roller and a forming device, the feeding control device is connected with the material conveying and rolling power device through a discharging pipe, and the material conveying and rolling power device and the rapid cooling roller and the forming device are connected through a material conveying pipe.

[0008] Further, the feeding control device comprises a control box, a material box, a stirring and pumping box and a discharging pipe, the control box is located at the side of the material box, the material box is located above the stirring and pumping box, and the discharging port of the stirring and pumping box is connected with the material conveying and rolling power device through the discharging pipe.

[0009] Further, the material conveying and rolling power device comprises a concrete conveying pipe, a rotating motor, a material conveying pipe, a cooling device roller and a concrete pipe forming roller, the rotating motor is located inside the concrete conveying pipe, the rotating motor drives the cooling device roller and the concrete pipe forming roller to rotate synchronously, and the concrete conveying pipe connects the discharging pipe and the material conveying pipe; the rapid cooling roller and the forming device comprise a concrete pipe forming die and a cooling pipe, the cooling pipe is located inside the concrete pipe forming die, one end of the cooling pipe is in contact with the cooling device roller, and one end of the concrete pipe forming die is in contact with the concrete pipe forming roller.

[0010] Further, the concrete pipe forming die comprises a die inner wall, a die outer wall connecting buckle and a material injection port, the material injection port is located at the side of the outer edge of the concrete pipe forming die, the die outer wall connecting buckle connects the upper and lower die outer walls, and the die inner wall is in direct contact with the cooling device roller.

[0011] Further, the cooling pipe comprises a cooling pipe rotating shaft, a cooling pipe ventilation port and a cooling liquid replacement port, the cooling pipe ventilation port is connected with a ventilation pipe in the cooling pipe inner cavity, the outer wall of the ventilation pipe is filled with cooling liquid, and the cooling liquid replacement port is located at one end of the cooling pipe.

[0012] Further, the concrete conveying pipe is an upper-narrow-and-lower-wide box structure, and the contact surfaces of the cooling device roller and the concrete pipe forming roller are made of rubber.

[0013] A full solid waste concrete hollow pipe rapid rotary forming method, which comprises the following steps: S1, first, solid waste cement, aggregate and water are placed into a material box, a control box is used to adjust the stirring speed, solid waste concrete ratio and solid waste concrete pumping and discharging speed, the control box is used to start a stirring and pumping box, and then the mixed concrete slurry is obtained, and the control box is used to send the concrete slurry to a concrete conveying pipe through a discharging pipe; S2, the concrete slurry is sent to a concrete pipe forming die through a material injection port by using a material conveying pipe, and then the material conveying pipe is removed and the material injection port is sealed after the concrete slurry fills the concrete pipe forming die. S3, the cooling device roller and the concrete pipe forming device roller are rotated by starting the rotating motor through the control box, so as to drive the cooling pipe and the concrete pipe forming mold to rotate synchronously, and the cooling liquid in the cooling pipe, the cooling pipe vent and the ventilation pipe jointly implement cooling treatment to rapidly remove the heat of the inner wall of the concrete pipe forming mold; S4, after the concrete pipe is cooled and formed, the rotating motor is turned off through the control box, the mold outer wall connecting buckle is unlocked, the concrete pipe outer wall is demolded, the concrete pipe forming mold and the cooling pipe are lifted away, and the cooling pipe is separated from the concrete pipe forming mold, then the concrete pipe inner wall is demolded, and a full-solid-waste concrete hollow pipe test piece is obtained.

[0014] The present application has the following positive effects: 1. The full-solid-waste sulphoaluminate cement has the characteristics of early strength and fast hardening, a fast hydration rate and a high heat release, which leads to temperature stress of internal and external temperature difference when preparing a large-volume concrete member, and causes cracks. The rapid rotation of the condensing pipe can effectively remove the heat therein, accelerate the setting and solidification forming time, and reduce the internal and external temperature difference.

[0015] 2. The condensing pipe in the present application can quickly exchange heat through specific heat to achieve the effect of rapid cooling. The natural wind channel can realize air circulation, and the condensing water channel and the condensing pipe are synchronously cooled. The double-channel spiral alternation can increase the contact area and greatly improve the cooling efficiency.

[0016] 3. The condensing pipe material in the present application adopts an aluminum alloy material, which can effectively solve the heat dissipation and reduce the poor control of mold thermal expansion and contraction. The condensing pipe is filled with deionized water, which can increase the heat exchange rate. The contact type rotating device is convenient for disassembly and repair of each part and demolding of the concrete hollow pipe. The contact surface of the rotating device is made of rubber material, which can effectively increase the friction and improve the rotating efficiency.

[0017] 4. The concrete mixing box and the control system in the present application can accurately control the proportioning and mixing rate of the concrete, and can pump the mixed solid waste concrete to the concrete forming device through pressure to solve the problem of poor flowability of the full-solid-waste concrete. The concrete conveying pipe in the present application adopts a design of narrow top and wide bottom, which can further increase the pressure of the concrete slurry injected into the concrete forming device.

[0018] 5. The present application can greatly improve the preparation and forming efficiency of the solid waste concrete hollow pipe, increase the utilization rate of solid waste, and indirectly reduce the energy consumption in the preparation process. The present application has the advantages of simple structure, easy maintenance, safe and simple operation, high efficiency, good engineering benefit in the field of solid waste material processing, and ecological development. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present application.

[0020] Figure 2 It is a structural schematic diagram of the present application.

[0021] Figure 3 It is a structural schematic diagram of the present application.

[0022] Figure 4 It is a structural schematic diagram of the present application.

[0023] Figure 5 It is a structural schematic diagram of the present application. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] In the following description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation. The term "connection" only means the connection between devices and has no special meaning.

[0026] Embodiment: as shown in Figure 1 , 2 , 3, 4, 5, a kind of full solid waste concrete hollow pipe fast rotary forming equipment, the device includes feeding control device 1, material conveying power device 2 and rapid cooling roller and forming device 3, feeding control device 1 is connected with material conveying power device 2 by discharge pipe 14, material conveying power device 2 and rapid cooling roller and forming device 3 are connected by material conveying pipe 23.

[0027] Specifically, the feeding control device 1 includes a control box 11, a material box 12, a stirring and pumping box 13 and a discharge pipe 14, the control box 11 is located on the side of the material box 12, the material box 12 is located above the stirring and pumping box 13, and the discharge port of the stirring and pumping box 13 is connected with the material conveying power device 2 through the discharge pipe 14.

[0028] The control box 11 can adjust the stirring speed, solid waste concrete proportioning, and solid waste concrete discharging speed; the material box 12 can be filled with solid waste cement, aggregate and water, and automatically add materials of a specified mass to the stirring and pumping box 13 according to the solid waste concrete proportioning; the stirring and pumping box 13 can adjust the stirring speed and the solid waste concrete discharging speed according to the control box 11. The discharging pipe 14 can convey the stirred concrete into the concrete pipe forming mold 31.

[0029] Specifically, the material conveying rolling power device 2 comprises a concrete conveying pipe 21, a rotating motor 22, a material conveying pipe 23, a cooling device roller 24 and a concrete pipe forming roller 25. The rotating motor 22 is located inside the concrete conveying pipe 21, and drives the cooling device roller 24 and the concrete pipe forming roller 25 to rotate synchronously. The concrete conveying pipe 21 connects the discharging pipe 14 and the material conveying pipe 23. The rapid cooling roller and forming device 3 comprises a concrete pipe forming mold 31 and a cooling pipe 32. The cooling pipe 32 is located inside the concrete pipe forming mold 31, and one end of the cooling pipe 32 is in contact with the cooling device roller 24. One end of the concrete pipe forming mold 31 is in contact with the concrete pipe forming roller 25.

[0030] The concrete conveying pipe 21 can temporarily store the stirred concrete slurry. The design of the lower width and the upper narrowness can increase the pressure and flow rate of the concrete slurry passing through the material conveying pipe 23. The rotating motor 22 can drive the cooling device roller 24 and the concrete pipe forming device roller 25 to rotate synchronously. The material conveying pipe 23 can convey the concrete slurry to the concrete pipe forming mold 31, and the connection part between the material conveying pipe 23 and the concrete pipe forming mold 31 can be detached. The contact surface material of the cooling device roller 24 is rubber, which can drive the cooling pipe 32 to rotate. The contact surface material of the concrete pipe forming device roller 25 is rubber, which can drive the concrete pipe forming mold 31 to rotate.

[0031] Specifically, the concrete pipe forming mold 31 comprises a mold inner wall 311, a mold outer wall connecting buckle 312 and a material injection port 313. The material injection port 313 is located on the side of the outer edge of the concrete pipe forming mold 31. The mold outer wall connecting buckle 312 connects the upper and lower outer walls of the concrete pipe forming mold 31. The mold inner wall 311 is in direct contact with the cooling device roller 24.

[0032] The concrete pipe forming mold 31 can solidify and form the concrete slurry. The surface of the concrete pipe forming mold 31 is made of aluminum alloy, which can accelerate heat transfer. The surface of the cooling pipe 32 is made of aluminum alloy, and the cooling liquid is deionized water.

[0033] Specifically, the cooling pipe 32 includes a cooling pipe rotating shaft 321, a cooling pipe vent 322, and a cooling liquid replacement port 323.

[0034] The inner wall 311 of the mold is slightly longer than the length of the outer wall of the mold, and the excess part is in contact with the concrete pipe forming device roller 25, and the contact part is made of rubber; the mold outer wall connecting buckle 312 can connect and separate the upper and lower sides of the mold outer wall, which facilitates demolding after the concrete slurry is formed; the injection port 313 can be added with a plastic cover, which can be screwed and rotated, and the concrete slurry can be injected into the concrete pipe forming mold 31 through the feeding pipe 23.

[0035] The cooling pipe rotating shaft 321 is in contact with the cooling device roller 24, and the contact surface is made of rubber; the cooling pipe vent 322 can remove the heat of the cooling pipe through natural wind; and the cooling liquid replacement port 323 can replace and maintain the cooling liquid.

[0036] Specifically, the concrete conveying pipe 21 is a box structure with a narrow upper part and a wide lower part, and the contact surfaces of the cooling device roller 24 and the concrete pipe forming roller 25 are made of rubber. The inner wall 311 of the mold is in contact with the concrete pipe forming device roller 25, and the cooling pipe rotating shaft 321 is in contact with the cooling device roller 24; the contact surface is made of rubber, which can effectively increase the friction; and the contact transmission mode facilitates disassembly and demolding. The abutting connecting parts in the concrete pipe forming mold 31 are made of rubber, which can effectively prevent leakage.

[0037] The full-solid-waste concrete hollow pipe rapid rotary forming method comprises the following steps: first, placing solid waste cement, aggregate and water into the material box 12, adjusting the stirring speed, solid waste concrete ratio and solid waste concrete pumping discharge speed by using the control box 11, starting the stirring and pumping box 13 by using the control box 11, waiting for the mixed concrete slurry, and sending the concrete slurry to the concrete conveying pipe 21 through the discharge pipe 14 by using the control box 11.

[0038] The concrete slurry is sent into the concrete pipe forming mold 31 through the feeding pipe 23 and the injection port 313, and the feeding pipe 23 and the injection port 313 are removed after the concrete slurry fills the concrete pipe forming mold 31. The rotating motor 22 is started by the control box 11, the cooling device roller 24 and the concrete pipe forming device roller 25 are rotated, the cooling pipe 32 and the concrete pipe forming mold 31 are synchronously rotated, the cooling liquid in the cooling pipe 32, the cooling pipe vent 322 and the ventilation pipe jointly implement cooling treatment, and the heat of the inner wall of the concrete pipe forming mold 31 is quickly removed.

[0039] After the concrete pipe is cooled and formed, the rotating motor 22 is turned off through the control box 11, the mold outer wall connecting buckle 312 is unlocked, the concrete pipe outer wall is demolded, the concrete pipe forming mold 31 and the cooling pipe 32 are lifted away, the cooling pipe 32 is separated from the concrete pipe forming mold 31, then the concrete pipe inner wall is demolded, and a full-solid-waste concrete hollow pipe test piece is obtained.

[0040] The above merely describes preferred embodiments of the present application, but does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification of the above embodiments without departing from the technical solution of the present application and according to the technical essence of the present application still belongs to the protection scope of the technical solution of the present application.

Claims

1. A rapid rotary molding equipment for hollow concrete tubes made entirely from solid waste, characterized in that: The device includes a feeding control device (1), a conveying rolling power device (2), and a quick-cooling roller and forming device (3). The feeding control device (1) and the conveying rolling power device (2) are connected through a discharge pipe (14), and the conveying rolling power device (2) and the quick-cooling roller and forming device (3) are connected through a conveying pipe (23).

2. The rapid rotary forming device for hollow concrete tubes made entirely from solid waste according to claim 1, characterized in that: The feeding control device (1) includes a control box (11), a material box (12), a mixing and pumping box (13), and a discharge pipe (14). The control box (11) is located on the side of the material box (12), and the material box (12) is located above the mixing and pumping box (13). The discharge port of the mixing and pumping box (13) is connected to the conveying rolling power device (2) through the discharge pipe (14).

3. The rapid rotary molding device for hollow concrete tubes made entirely from solid waste according to claim 1, characterized in that: The conveying rolling power device (2) includes a concrete conveying pipe (21), a rotating motor (22), a conveying pipe (23), a cooling device roller (24), and a concrete pipe forming roller (25). The rotating motor (22) is located inside the concrete conveying pipe (21). The rotating motor (22) drives the cooling device roller (24) and the concrete pipe forming roller (25) to rotate synchronously. The concrete conveying pipe (21) connects the discharge pipe (14) and the conveying pipe (23). The rapid cooling roller and forming device (3) includes a concrete pipe forming mold (31) and a cooling pipe (32). The cooling pipe (32) is located inside the concrete pipe forming mold (31). One end of the cooling pipe (32) is in contact with the cooling device roller (24), and one end of the concrete pipe forming mold (31) is in contact with the concrete pipe forming roller (25).

4. The rapid rotary molding device for hollow concrete tubes made entirely from solid waste according to claim 3, characterized in that: The concrete pipe forming mold (31) includes an inner wall (311), an outer wall connecting buckle (312), and a filling port (313). The filling port (313) is located on the outer side of the concrete pipe forming mold (31). The outer wall connecting buckle (312) connects the upper and lower outer walls of the concrete pipe forming mold (31). The inner wall (311) is in direct contact with the cooling device roller (24).

5. The rapid rotary molding device for hollow concrete tubes made entirely from solid waste according to claim 3, characterized in that: The cooling pipe (32) includes a cooling pipe rotating shaft (321), a cooling pipe vent (322), and a coolant exchange port (323). The cooling pipe vent (322) is connected to the ventilation pipe inside the cooling pipe (32). The space between the outer wall of the ventilation pipe and the inner wall of the cooling pipe (32) is filled with coolant. The coolant exchange port (323) is located at one end of the cooling pipe (32).

6. The rapid rotary molding device for hollow concrete tubes made entirely from solid waste according to claim 3, characterized in that: The concrete transfer pipe (21) has a box structure that is narrow at the top and wide at the bottom. The contact surfaces of the cooling device roller (24) and the concrete pipe forming roller (25) are both made of rubber.

7. A method for rapid rotary molding of hollow concrete tubes made entirely of solid waste, as described in any one of claims 1-6, characterized in that, The method includes the following steps: S1. First, place solid waste cement, aggregate and water into the material box (12). Use the control box (11) to adjust the mixing speed, solid waste concrete mix ratio and solid waste concrete pump discharge speed. Use the control box (11) to start the mixing and pumping box (13). Wait for the concrete slurry to be mixed. Use the control box (11) to send it to the concrete transmission pipe (21) through the discharge pipe (14). S2. Use the conveying pipe (23) to send the concrete slurry into the concrete pipe forming mold (31) through the injection port (313). After the concrete slurry fills the concrete pipe forming mold (31), remove the conveying pipe (23) and seal the injection port (313). S3. Start the rotating motor (22) through the control box (11). The cooling device roller (24) and the concrete pipe forming device roller (25) rotate, respectively driving the cooling pipe (32) and the concrete pipe forming mold (31) to rotate synchronously. The coolant in the cooling pipe (32), the cooling pipe vent (322) and the ventilation pipe work together to cool down the pipe and quickly remove the heat from the inner wall of the concrete pipe forming mold (31). S4. After the concrete pipe cools and forms, turn off the rotating motor (22) through the control box (11), unlock the mold outer wall connection buckle (312), demold the outer wall of the concrete pipe, lift the concrete pipe forming mold (31) and cooling pipe (32) away, and pull the cooling pipe (32) out of the concrete pipe forming mold (31). Then demold the inner wall of the concrete pipe to obtain the solid waste concrete hollow pipe specimen.

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