Cooling device for concrete accelerator production

Abstract

The utility model relates to the technical field of concrete accelerator production, in particular to a cooling device for concrete accelerator production, which comprises an operation barrel, a stirring mechanism is arranged in the operation barrel, a cooling mechanism is arranged on the outer side of the operation barrel, the stirring mechanism comprises a driving motor, a stirring shaft and a screw rod, and the driving motor is connected with the stirring shaft. The cooling mechanism comprises a clamping sleeve, a cooling water pipe is fixedly installed in the clamping sleeve, and the cooling water pipe is spirally arranged in the clamping sleeve in a surrounding mode. Due to the design of the spiral circulating water pipe, the contact area of cooling water and the outer wall of the operation barrel is increased, meanwhile, the cooling water can be evenly distributed on the outer wall of the operation barrel, the staying time of the cooling water is prolonged, and therefore the cooling efficiency and the cooling uniformity are improved; a worker can monitor the temperature change condition in the operation barrel in real time by observing information fed back to the PLC control panel by the temperature sensor, and therefore the cooling effect is adjusted by controlling the water cooling operation duration of cooling water.

Description

Technical Field

[0001] This utility model relates to the field of concrete accelerator production technology, specifically a cooling device for concrete accelerator production. Background Technology

[0002] Concrete accelerators enable concrete to set and harden rapidly, significantly shortening initial and final setting times. They are widely used in tunnel excavation, underground engineering, and emergency repairs. For example, during tunnel construction, adding accelerators to shotcrete can quickly support tunnel walls and prevent collapse; in road and bridge repairs, they accelerate concrete hardening, allowing for faster traffic restoration. They effectively improve construction efficiency and ensure the smooth progress of projects in special environments or emergency situations. To ensure the quality of accelerators, specialized production equipment is typically required for manufacturing.

[0003] As disclosed in CN218269725U, a cooling device for producing concrete accelerators includes a cooling tank. A drive structure is fixedly installed on the top of the cooling tank, and a storage device is movably connected below the drive structure. A circulating refrigeration device is fixedly installed on the outside of the cooling tank and is connected to the cooling tank. By setting up the storage device and the circulating refrigeration device, the storage device can store the accelerator to be cooled. In conjunction with the semiconductor refrigeration device of the circulating refrigeration device, the coolant flowing between the cooling tank and the water tank can be cooled by heat exchange. This allows the coolant to perform water bath cooling on the accelerator located inside the storage tank, shortening the cooling time of the accelerator, making the cooling process more convenient, improving the efficiency of concrete accelerator production and processing, and thus improving the quality of the concrete accelerator.

[0004] However, this utility model lacks measures to improve the cooling uniformity of the accelerator and assist in rapid material discharge, making it difficult to solve the problem of uneven temperature drop of the accelerator during the cooling process and the easy blockage of the discharge port. Therefore, we propose a cooling device for the production of concrete accelerators, which solves the problems of inconvenient cooling uniformity and easy blockage of the discharge port in this utility model, and improves the practical effect and production quality of this utility model. Utility Model Content

[0005] The purpose of this invention is to provide a cooling device for the production of concrete quick-setting agents, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A cooling device for producing concrete accelerators includes a working cylinder with a stirring mechanism inside and a cooling mechanism outside. The stirring mechanism includes a drive motor, a stirring shaft, and a spiral rod. The output end of the drive motor is fixedly connected to the stirring shaft, and the spiral rod is fixedly connected to the bottom end of the stirring shaft. Stirring rods are fixedly installed on both sides of the stirring shaft, and a wall-sweeping rod is fixedly installed at one end of each stirring rod. The cooling mechanism includes a jacket with a cooling water pipe fixedly installed inside. The cooling water pipe is spirally arranged inside the jacket.

[0008] Preferably, an inlet is fixedly provided at the top of the cooling water pipe, and an outlet is fixedly provided at the bottom of the cooling water pipe. Opening and closing valves are installed on the outside of both the inlet and the outlet.

[0009] Preferably, an outer cylinder is provided on the outside of the jacket, a cap is installed at the top of the outer cylinder, a feed inlet is fixedly provided at the top of the cap, and a discharge outlet is fixedly provided at the bottom of the outer cylinder.

[0010] Preferably, the bottom end of the spiral rod extends into the inside of the discharge port, and the wall-sweeping rod includes a strip-shaped wall-sweeping rod and an arc-shaped wall-sweeping rod, wherein the strip-shaped wall-sweeping rod and the arc-shaped wall-sweeping rod are in zero-friction contact with the inner wall of the working cylinder.

[0011] Preferably, the drive motor is fixedly installed on the top of the cover, a temperature sensor is fixedly installed on the bottom of the cover, and a PLC control panel is fixedly installed on one side of the outer cylinder.

[0012] Preferably, the PLC control panel is electrically connected to the drive motor and the temperature sensor, and the drive motor is a forward and reverse cycle variable frequency drive motor.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This cooling device for the production of concrete quick-setting agents increases the contact area between the cooling water and the outer wall of the working cylinder through the design of the spiral circulating water pipe. At the same time, it also allows the cooling water to be evenly distributed on the outer wall of the working cylinder, prolonging the residence time of the cooling water, thereby improving the cooling efficiency and cooling uniformity.

[0015] This cooling device for the production of concrete quick-setting agents uses strip-shaped and arc-shaped wall-sweeping rods installed at the ends of the stirring rods to avoid the problem of excessively rapid local cooling caused by material adhering to the inner wall of the working cylinder. In addition, the design of multiple stirring rods can penetrate deep into the material, which can improve the uniformity of material mixing and further ensure the uniformity of cooling.

[0016] This is a cooling device for the production of concrete quick-setting agents. The PLC control panel controls the drive motor to reverse the mixing shaft, which in turn causes the screw rod to push the material out of the discharge port. This avoids blockage of the discharge port and speeds up the discharge, thereby improving production efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0019] Figure 3 This is a schematic diagram of a partial structure of the jacket of this utility model;

[0020] Figure 4 This is a schematic diagram of the spiral rod structure of this utility model.

[0021] In the diagram: 100, working cylinder; 101, outer cylinder; 102, cover; 103, feed inlet; 104, discharge outlet; 105, temperature sensor; 106, PLC control panel; 200, drive motor; 201, stirring shaft; 202, screw rod; 203, stirring rod; 204, strip-shaped wall-sweeping rod; 205, arc-shaped wall-sweeping rod; 300, jacket; 301, cooling water pipe; 302, water inlet; 303, water outlet; 304, opening and closing valve. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 As shown, this utility model provides a technical solution:

[0024] A cooling device for producing concrete quick-setting agent includes a working cylinder 100, with a stirring mechanism inside the working cylinder 100 and a cooling mechanism outside the working cylinder 100.

[0025] In this embodiment, preferably, the stirring mechanism includes a drive motor 200, a stirring shaft 201, and a screw rod 202. The output end of the drive motor 200 is fixedly connected to the stirring shaft 201, the screw rod 202 is fixedly connected to the bottom end of the stirring shaft 201, and stirring rods 203 are fixedly installed on both sides of the stirring shaft 201. A wall-sweeping rod is fixedly installed at one end of the stirring rod 203. The drive motor 200 drives the stirring shaft 201 to rotate, thereby driving the stirring rods 203, the wall-sweeping rod, and the screw rod 202 to rotate synchronously, so as to achieve a uniform mixing effect of materials.

[0026] In this embodiment, preferably, the cooling mechanism includes a jacket 300, and a cooling water pipe 301 is fixedly installed inside the jacket 300. The cooling water pipe 301 is spirally arranged inside the jacket 300. An inlet 302 is fixedly provided at the top end of the cooling water pipe 301, and an outlet 303 is fixedly provided at the bottom end of the cooling water pipe 301. Opening and closing valves 304 are installed on the outside of both the inlet 302 and the outlet 303. During the material stirring process, by connecting the inlet 302 to an external circulating water pump and the outlet 303 to an external circulating water tank, cooling water is continuously flowing inside the circulating water pipe, thereby carrying away the heat generated inside the working cylinder 100 and achieving the temperature reduction effect inside the working cylinder 100.

[0027] In this embodiment, preferably, an outer cylinder 101 is provided on the outside of the jacket 300, a cap 102 is installed on the top of the outer cylinder 101, a feed inlet 103 is fixedly provided on the top of the cap 102, and a discharge outlet 104 is fixedly provided at the bottom of the outer cylinder 101.

[0028] In this embodiment, preferably, the bottom end of the spiral rod 202 extends into the discharge port 104. After the accelerator is processed, the drive motor 200 is controlled by the PLC control panel 106 to drive the stirring shaft 201 to reverse, thereby causing the spiral rod 202 to push the material out of the discharge port 104. This avoids blockage of the discharge port 104 and speeds up the discharge speed. The wall-sweeping rod includes a strip-shaped wall-sweeping rod 204 and an arc-shaped wall-sweeping rod 205. The strip-shaped wall-sweeping rod 204 and the arc-shaped wall-sweeping rod 205 have zero friction contact with the inner wall of the working cylinder 100. Through the strip-shaped wall-sweeping rod 204 and the arc-shaped wall-sweeping rod 205 installed at the end of the stirring rod 203, the problem of excessively rapid local cooling caused by the material adhering to the inner wall of the working cylinder 100 can be avoided. At the same time, the resource waste caused by the material adhesion can also be reduced during discharge.

[0029] In this embodiment, preferably, the drive motor 200 is fixedly installed on the top of the cover 102, and the temperature sensor 105 is fixedly installed on the bottom of the cover 102. A PLC control panel 106 is fixedly installed on one side of the outer cylinder 101. The PLC control panel 106 is electrically connected to the drive motor 200 and the temperature sensor 105. The drive motor 200 is a forward and reverse cycle variable frequency drive motor 200. During the cooling operation, the operator can observe the information fed back to the PLC control panel 106 by the temperature sensor 105 to monitor the temperature change inside the working cylinder 100 in real time. The operator can then adjust the cooling effect by controlling the duration or flow rate of the cooling water to ensure production quality.

[0030] In this embodiment, a cooling device for producing concrete quick-setting agents is used. First, the material is injected into the working cylinder 100 through the feed inlet 103 at the top of the cap 102. Then, the forward and reverse circulation variable frequency drive motor 200 is started through the PLC control panel 106, which drives the stirring shaft 201 to rotate, thereby driving the stirring rod 203, the wall sweeping rod, and the spiral rod 202 to rotate synchronously, achieving the material stirring effect. During the material stirring process, by connecting the water inlet 302 to an external circulating water pump and the water outlet 303 to an external circulating water tank, cooling water is continuously flowing inside the circulating water pipe, thereby carrying away the heat generated inside the working cylinder 100 and achieving a temperature reduction effect inside the working cylinder 100. The spiral circulating water pipe design not only increases the contact area between the cooling water and the outer wall of the working cylinder 100, but also allows the cooling water to be evenly distributed on the outer wall of the working cylinder 100, extending the residence time of the cooling water, thereby improving cooling efficiency and cooling uniformity. During cooling, operators can monitor the temperature changes inside the working cylinder 100 in real time by observing the information fed back to the PLC control panel 106 by the temperature sensor 105. This allows them to adjust the cooling effect by controlling the duration or flow rate of the cooling water, ensuring production quality. The strip-shaped and arc-shaped wall-sweeping rods 204 and 205 installed at the ends of the stirring rods 203 prevent material from adhering to the inner wall of the working cylinder 100, thus avoiding excessively rapid local cooling. Furthermore, the design of multiple stirring rods 203 allows them to penetrate deep into the material, improving mixing uniformity and thus enhancing production quality. After the accelerator is processed, the PLC control panel 106 controls the drive motor 200 to reverse the stirring shaft 201, causing the spiral rod 202 to push the material out of the discharge port 104, preventing blockage and accelerating the discharge speed.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A cooling device for producing concrete accelerators, comprising a working cylinder (100), characterized in that: The working cylinder (100) is equipped with a stirring mechanism inside and a cooling mechanism outside. The stirring mechanism includes a drive motor (200), a stirring shaft (201), and a screw rod (202). The output end of the drive motor (200) is fixedly connected to the stirring shaft (201), the screw rod (202) is fixedly connected to the bottom end of the stirring shaft (201), and stirring rods (203) are fixedly installed on both sides of the stirring shaft (201). A wall-sweeping rod is fixedly installed at one end of the stirring rod (203). The cooling mechanism includes a jacket (300), and a cooling water pipe (301) is fixedly installed inside the jacket (300). The cooling water pipe (301) is spirally arranged inside the jacket (300).

2. A cooling device for producing concrete quick-setting agents according to claim 1, characterized in that: The cooling water pipe (301) is fixedly provided with an inlet (302) at the top end and an outlet (303) at the bottom end. Both the inlet (302) and the outlet (303) are equipped with opening and closing valves (304).

3. A cooling device for producing concrete quick-setting agents according to claim 1, characterized in that: An outer cylinder (101) is provided on the outside of the jacket (300). A cap (102) is installed on the top of the outer cylinder (101). A feed inlet (103) is fixedly provided on the top of the cap (102). A discharge outlet (104) is fixedly provided at the bottom of the outer cylinder (101).

4. A cooling device for producing concrete quick-setting agents according to claim 1, characterized in that: The bottom end of the spiral rod (202) extends into the discharge port (104). The wall-sweeping rod includes a strip-shaped wall-sweeping rod (204) and an arc-shaped wall-sweeping rod (205). The strip-shaped wall-sweeping rod (204) and the arc-shaped wall-sweeping rod (205) are in zero-friction contact with the inner wall of the working cylinder (100).

5. A cooling device for producing concrete quick-setting agents according to claim 3, characterized in that: The drive motor (200) is fixedly installed on the top of the cover (102), the temperature sensor (105) is fixedly installed on the bottom of the cover (102), and the PLC control panel (106) is fixedly installed on one side of the outer cylinder (101).

6. A cooling device for producing concrete quick-setting agents according to claim 5, characterized in that: The PLC control panel (106) is electrically connected to the drive motor (200) and the temperature sensor (105). The drive motor (200) is a forward and reverse cycle variable frequency drive motor (200).

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