Heating and stirring device for preparing chemical sand consolidation agent

Abstract

The utility model provides a heating and stirring device for preparing a chemical sand consolidation agent, which relates to the field of chemical sand consolidation agent stirring equipment and comprises a base, a stirring tank is mounted at the top of the base and comprises a shell, a top cover, an inner container, an interlayer and a discharge pipe, the top cover is positioned at the top of the shell and movably connected with the shell, and the inner container is positioned in the top of the shell. The shell is fixedly connected with the base, and the inner container is located in an inner cavity of the shell. Through an indirect heating mode of interlayer heating and coil pipe circulation, the problem of local overheating is effectively solved, coil pipe circulation is forced to convect through heat conduction oil, so that the problem of local overheating of traditional electric heating is eliminated, the circulating pump drives the heat conduction oil to continuously flow, it is ensured that a sand consolidation agent is evenly heated, and the sand consolidation effect is improved. According to the chemical sand solidification agent stirring device, material denaturation or reaction failure caused by uneven temperature is avoided, precise temperature control is achieved by combining the PID controller with the inner container thermometer and the interlayer thermometer, and therefore fluctuation of heating medium circulation is reduced, and the stirring effect of a chemical sand solidification agent is effectively improved.

Description

Technical Field

[0001] This utility model belongs to the field of chemical sand-fixing agent mixing equipment, specifically a heating and stirring device for preparing chemical sand-fixing agents. Background Technology

[0002] Chemical sand-fixing agents are materials that fix loose sand or concrete structures through chemical reactions or physical penetration. They are widely used in desertification control, construction engineering, oil extraction and other fields. Chemical sand-fixing agents often involve the composite of inorganic silicates, resins, polymers and other raw materials. During preparation, stirring is required to achieve full dispersion and cross-linking to ensure uniform mixing of raw materials, full reaction and stable performance.

[0003] Resin-based or composite sand-fixing agents need to be heated during the mixing process to accelerate the reaction, improve fluidity, and ensure the stability of the material. Currently, heating methods mostly use electric heating or circulating heating through a heat medium. However, electric heating is prone to local overheating, resulting in uneven heating. When using circulating heating through a heat medium, the temperature of the heat medium gradually decreases during the circulation process, thus affecting the heating effect.

[0004] In summary, this utility model provides a heating and stirring device for preparing chemical sand-fixing agents to solve the above problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A heating and stirring device for preparing a chemical sand-fixing agent includes a base, on top of which a stirring tank is mounted. The stirring tank includes an outer shell, a top cover, an inner liner, a jacket, and a discharge pipe. The top cover is located on top of the outer shell and is movably connected to it. The outer shell is fixedly connected to the base. The inner liner is located within the inner cavity of the outer shell. The jacket is located between the outer shell and the inner liner. One end of the discharge pipe communicates with the inner cavity of the inner liner, and the other end extends to the outside of the outer shell. A stirring assembly, a heating assembly, a control assembly, and an opening / closing assembly are mounted on the surface of the stirring tank. The stirring assembly is used to stir the sand-fixing agent. The opening / closing assembly is used to open and close the top cover. The heating assembly heats the agent via heat transfer oil. The control assembly controls the heating temperature. The heating assembly includes a coil, a heating rod, a circulating pump, a connecting pipe, a circulating pipe, a storage tank, a replenishment pipe, and a solenoid valve. The circulating pump is fixedly connected to the base, and the storage tank is fixedly connected to the outer shell via a bracket. The coil is wound around the surface of the inner liner, and the heating rod is fixed to the inner cavity of the interlayer. One end of the connecting pipe is connected to the interlayer, and the other end is connected to the inlet of the circulating pump. One end of the circulating pipe is connected to the outlet of the circulating pump, and the other end of the circulating pipe extends through the inner cavity of the interlayer and is connected to the inlet of the coil. The outlet of the coil is connected to the inner cavity of the interlayer. One end of the replenishment pipe is connected to the outlet of the storage tank, and the other end is connected to the inner cavity of the interlayer. The solenoid valve is installed on the surface of the replenishment pipe.

[0007] Furthermore, in this utility model, the stirring assembly includes a support box, a servo motor, a stirring rod, a stirring blade, a driving wheel, and a driven wheel. The stirring rod and the stirring blade are both located in the inner cavity of the inner liner, the driving wheel and the driven wheel are both installed in the inner cavity of the support box, and the servo motor is fixed to the top of the support box.

[0008] Furthermore, in this utility model, one end of the stirring rod is fixedly connected to the stirring blade, the other end of the stirring rod passes through the inner cavity of the support box and is driven by the driven wheel, the driving wheel and the driven wheel are connected by a belt drive, and the output shaft of the servo motor passes through the inner cavity of the support box and is driven by the driving wheel.

[0009] Furthermore, in this utility model, the opening and closing assembly includes a hydraulic cylinder, a first support base, a second support base, and a connecting base. The support box is fixed to the top of the connecting base, and the first support base and the second support base are respectively fixed to the lower end and the upper end of the outer shell surface. One end of the connecting base is fixedly connected to the top cover.

[0010] Furthermore, in this utility model, the other end of the connecting seat is movably connected to the second support seat via a movable pin, the bottom of the hydraulic cylinder is movably connected to the first support seat via a movable pin, and the output end of the hydraulic cylinder is movably connected to the connecting seat via a movable pin.

[0011] Furthermore, in this utility model, the control component includes a PID controller, a first thermometer, a second thermometer, and a liquid level sensor. The PID controller, the first thermometer, the second thermometer, and the liquid level sensor are all fixed to the surface of the outer shell. The probes of the second thermometer and the liquid level sensor both penetrate into the inner cavity of the interlayer, and the probe of the first thermometer penetrates into the inner cavity of the inner liner.

[0012] Furthermore, in this invention, the output terminals of the first thermometer, the second thermometer, and the liquid level sensor are all connected to the input terminal of the PID controller, and the output terminal of the PID controller is connected to the input terminals of the PID controller, the heating rod, the circulating pump, and the solenoid valve, respectively.

[0013] Beneficial effects: This utility model has the following beneficial effects:

[0014] This invention effectively solves the problem of localized overheating through indirect heating via jacketed heating and coil circulation. The jacketed heating rod provides basic heat, while the coil circulation forms a three-dimensional heating network through forced convection of heat transfer oil, thereby eliminating the localized overheating problem of traditional electric heating. The circulating pump drives the heat transfer oil to flow continuously, ensuring uniform heating of the sand-fixing agent and avoiding material denaturation or reaction failure caused by uneven temperature. Precise temperature control is achieved through a PID controller combined with an inner tank thermometer and a jacket thermometer, thereby reducing fluctuations in the heat transfer medium circulation and effectively improving the stirring effect of the chemical sand-fixing agent. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure between the mixing tank and the opening / closing assembly of this utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure between the inner liner and the coil of this utility model;

[0018] Figure 4 This is a front view cross-sectional structural diagram of the mixing tank of this utility model;

[0019] Figure 5 This is a schematic diagram of the connection state structure of the stirring assembly of this utility model;

[0020] Figure 6 This is a schematic diagram of the outer shell of this utility model from a bottom view.

[0021] Figure 7 This is a schematic diagram of the heating system of this utility model.

[0022] In the picture:

[0023] 1. Base; 2. Mixing tank; 21. Outer shell; 22. Top cover; 23. Inner liner; 24. Jacket; 25. Discharge pipe; 3. Mixing assembly; 301. Support box; 302. Servo motor; 303. Mixing rod; 304. Mixing blade; 305. Drive wheel; 306. Driven wheel; 4. Heating assembly; 401. Coil; 402. Heating rod; 403. Circulation pump; 404. Connecting pipe; 405. Circulation pipe; 406. Storage tank; 407. Replenishment pipe; 408. Solenoid valve; 5. Control assembly; 51. PID controller; 52. First thermometer; 53. Second thermometer; 54. Liquid level sensor; 6. Opening and closing assembly; 601. Hydraulic cylinder; 602. First support base; 603. Second support base; 604. Connecting seat. Detailed Implementation

[0024] To better understand the technical content of this utility model, specific embodiments are described below in conjunction with the accompanying drawings. Various aspects of this utility model are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. The embodiments of this disclosure are not necessarily defined to include all aspects of this utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in this utility model are not limited to any particular implementation. Furthermore, some aspects of this utility model can be used alone or in any suitable combination with other aspects disclosed in this utility model.

[0025] Example 1

[0026] like Figure 1-7The first embodiment of this utility model is shown, which provides a heating and stirring device for preparing a chemical sand-fixing agent. It includes a base 1, with a stirring tank 2 mounted on top of the base 1. The stirring tank 2 includes an outer shell 21, a top cover 22, an inner liner 23, a jacket 24, and a discharge pipe 25. The top cover 22 is located on top of the outer shell 21 and is movably connected to it. The outer shell 21 is fixedly connected to the base 1. The inner liner 23 is located within the inner cavity of the outer shell 21. The jacket 24 is located between the outer shell 21 and the inner liner 23. One end of the discharge pipe 25 communicates with the inner cavity of the inner liner 23, and the other end extends to the outside of the outer shell 21. A stirring assembly 3, a heating assembly 4, a control assembly 5, and an opening and closing assembly 6 are mounted on the surface of the stirring tank 2. The stirring assembly 3 is used to stir the sand-fixing agent, the opening and closing assembly 6 is used to open and close the top cover 22, the heating assembly 4 is heated by heat transfer oil, and the control assembly 5 is used to control the heating temperature. The heating assembly 4 includes a disc. The system includes a pipe 401, a heating rod 402, a circulation pump 403, a connecting pipe 404, a circulation pipe 405, a storage tank 406, a replenishment pipe 407, and a solenoid valve 408. The circulation pump 403 is fixedly connected to the base 1. The storage tank 406 is fixedly connected to the outer shell 21 via a bracket. The coil 401 is wound around the surface of the inner liner 23. The heating rod 402 is fixed to the inner cavity of the interlayer 24. One end of the connecting pipe 404 is connected to the interlayer 24, and the other end of the connecting pipe 404 is connected to the interlayer 24. The circulation pipe 405 is connected to the inlet of the circulation pump 403. One end of the circulation pipe 405 is connected to the outlet of the circulation pump 403. The other end of the circulation pipe 405 passes through the inner cavity of the jacket 24 and is connected to the inlet of the coil 401. The outlet of the coil 401 is connected to the inner cavity of the jacket 24. One end of the replenishment pipe 407 is connected to the outlet of the storage tank 406. The other end of the replenishment pipe 407 is connected to the inner cavity of the jacket 24. The solenoid valve 408 is installed on the surface of the replenishment pipe 407.

[0027] like Figure 1-7As shown, the inner liner 23 and the outer shell 21 form a sandwich 24. The inner liner 23 is used to hold the sand-fixing agent material, and the sandwich 24 serves as a heat transfer oil circulation channel. The discharge pipe 25 is directly connected to the inner liner 23 for easy discharge, and a discharge valve is installed on its surface. The heating component 4 uses heat transfer oil heating. The heating rod 402 heats the heat transfer oil in the sandwich 24 between the inner liner 23 and the outer shell 21. The circulation pump 403 circulates the heat transfer oil through the connecting pipe 404, the circulation pipe 405, and the coil 401. The coil 401 is wrapped around the surface of the inner liner 23, allowing the heat transfer oil to fully contact the inner liner 23 and heat the oil. The heat transfer oil is evenly transferred to the sand-fixing agent in the inner tank 23. The circulating pump 403 drives the heat transfer oil to circulate through the coil 401 and the jacket 24, which enhances the heat exchange efficiency, avoids local overheating or overcooling, and ensures the temperature stability of the sand-fixing agent during the preparation process, which is conducive to the smooth progress of the chemical reaction. The storage tank 406 is connected to the jacket 24 through the replenishment pipe 407 and the solenoid valve 408. When the heat transfer oil level is insufficient, the storage tank 406 replenishes the heat transfer oil through the replenishment pipe 407 and the solenoid valve 408, which ensures the normal operation of the heating, reduces manual intervention, and improves the automation level of the device.

[0028] Example 2

[0029] Reference Figure 1 , 2 5 and 6 are the second embodiment of this utility model, which is based on the previous embodiment.

[0030] In this embodiment, the stirring assembly 3 includes a support box 301, a servo motor 302, a stirring rod 303, a stirring blade 304, a drive wheel 305, and a driven wheel 306. The stirring rod 303 and the stirring blade 304 are both located in the inner cavity of the inner liner 23. The drive wheel 305 and the driven wheel 306 are both installed in the inner cavity of the support box 301. The servo motor 302 is fixed to the top of the support box 301.

[0031] One end of the stirring rod 303 is fixedly connected to the stirring blade 304, and the other end of the stirring rod 303 passes through the inner cavity of the support box 301 and is connected to the driven wheel 306. The driving wheel 305 and the driven wheel 306 are connected by belt drive. The output shaft of the servo motor 302 passes through the inner cavity of the support box 301 and is connected to the driving wheel 305.

[0032] The opening and closing assembly 6 includes a hydraulic cylinder 601, a first support base 602, a second support base 603, and a connecting base 604. The support box 301 is fixed to the top of the connecting base 604. The first support base 602 and the second support base 603 are respectively fixed to the lower and upper ends of the surface of the outer shell 21. One end of the connecting base 604 is fixedly connected to the top cover 22.

[0033] The other end of the connecting seat 604 is movably connected to the second support seat 603 via a movable pin, the bottom of the hydraulic cylinder 601 is movably connected to the first support seat 602 via a movable pin, and the output end of the hydraulic cylinder 601 is movably connected to the connecting seat 604 via a movable pin.

[0034] like Figure 1 , 2 As shown in Figures 5 and 6, the hydraulic cylinder 601 connects the first support seat 602 and the connecting seat 604 through a movable pin, realizing the smooth opening and closing of the top cover 22. The output shaft of the servo motor 302 drives the drive wheel 305 to rotate, which drives the driven wheel 306 to rotate synchronously through the belt. The driven wheel 306 is connected to the stirring rod 303, which drives the stirring blade 304 to move in the inner cavity of the inner liner 23, realizing the uniform mixing of the sand-fixing agent.

[0035] Example 3

[0036] Reference Figure 1 , 2 7 and 8 represent the third embodiment of this utility model, which is based on the first two embodiments.

[0037] In this embodiment, the control component 5 includes a PID controller 51, a first thermometer 52, a second thermometer 53, and a liquid level sensor 54. The PID controller 51, the first thermometer 52, the second thermometer 53, and the liquid level sensor 54 are all fixed to the surface of the outer shell 21. The probes of the second thermometer 53 and the liquid level sensor 54 penetrate into the inner cavity of the interlayer 24, and the probe of the first thermometer 52 penetrates into the inner cavity of the inner liner 23.

[0038] The outputs of the first thermometer 52, the second thermometer 53, and the liquid level sensor 54 are all connected to the input of the PID controller 51. The output of the PID controller 51 is connected to the inputs of the PID controller 51, the heating rod 402, the circulating pump 403, and the solenoid valve 408, respectively.

[0039] like Figure 1 , 2 As shown in Figure 7, the first thermometer 52 monitors the temperature inside the inner tank 23 in real time, and the second thermometer 53 monitors the temperature of the heat transfer oil inside the jacket 24 in real time. The PID controller 51 receives the temperature and liquid level signals, compares them with the preset threshold, and outputs control commands. If the temperature is too low, the power of the heating rod 402 is increased or the speed of the circulating pump 403 is increased. If the temperature is too high, the power of the heating rod 402 is decreased or the liquid replenishment pipe 407 is opened to replenish cold oil. If the liquid level is insufficient, the solenoid valve 408 is automatically opened to replenish liquid. This not only solves the inherent defects of traditional heating methods, but also improves the uniformity and control accuracy of the temperature of the heating stirrer.

[0040] During use, the output end of the hydraulic cylinder 601 retracts, causing the connecting seat 604 to rotate around the second support seat 603, separating the top cover 22 from the outer shell 21 to facilitate the addition of the chemical sand-fixing agent. After the chemical sand-fixing agent is added, the output end of the hydraulic cylinder 601 extends, pushing the top cover 22 into close contact with the outer shell 21 through the connecting seat 604. After the heating rod 402 in the interlayer 24 is energized, it directly heats the heat transfer oil in the interlayer 24, forming a basic heat source. After the circulation pump 403 is started, the heat transfer oil enters the inlet of the coil 401 through the connecting pipe 404 and the circulation pipe 405. When the heat transfer oil flows in the coil 401, it makes full contact with the outer wall of the inner liner 23, evenly transferring heat to the sand-fixing agent in the inner liner 23. The heat transfer oil at the outlet of the coil 401 flows back into the interlayer 24, forming a closed-loop circulation to ensure temperature uniformity. The level sensor 54 monitors the oil level in the interlayer 24. When the level is below the threshold, it activates the solenoid valve. 408 opens the replenishment pipe 407 to replenish heat transfer oil from the storage tank 406. The output shaft of the servo motor 302 drives the drive wheel 305 to rotate, which in turn drives the driven wheel 306 to rotate synchronously via a belt. The driven wheel 306 is connected to the stirring rod 303, which drives the stirring blade 304 to stir and mix the sand-fixing agent in the inner cavity of the inner liner 23. The first thermometer 52 monitors the temperature inside the inner liner 23 in real time, and the second thermometer 53 monitors the temperature of the heat transfer oil in the jacket 24 in real time. The PID controller 51 receives the temperature and liquid level signals, compares them with the preset threshold, and outputs control commands. If the temperature is too low, the power of the heating rod 402 is increased or the speed of the circulating pump 403 is increased. If the temperature is too high, the power of the heating rod 402 is decreased or the replenishment pipe 407 is opened to replenish cold oil. If the liquid level is insufficient, the solenoid valve 408 is automatically opened to replenish liquid. This not only solves the inherent defects of traditional heating methods, but also improves the uniformity and control accuracy of the heating stirrer temperature.

[0041] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.

[0042] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this invention shall be determined by the claims.

Claims

1. A heating and stirring device for preparing a chemical sand-fixing agent, comprising a base (1), characterized in that: A mixing tank (2) is installed on the top of the base (1). The mixing tank (2) includes an outer shell (21), a top cover (22), an inner liner (23), a jacket (24), and a discharge pipe (25). The top cover (22) is located on top of the outer shell (21) and is movably connected to the outer shell (21). The outer shell (21) is fixedly connected to the base (1). The inner liner (23) is located inside the outer shell (21). The jacket (24) is located between the outer shell (21) and the inner liner (23). One end of the discharge pipe (25) is connected to the inner liner (23). The inner cavity is connected, and the other end of the discharge pipe (25) extends to the outside of the outer shell (21). The surface of the mixing tank (2) is equipped with a mixing assembly (3), a heating assembly (4), a control assembly (5), and an opening and closing assembly (6). The mixing assembly (3) is used to mix the sand-fixing agent. The opening and closing assembly (6) is used to open and close the top cover (22). The heating assembly (4) is heated by heat transfer oil. The control assembly (5) is used to control the heating temperature. The heating assembly (4) includes a coil (401), a heating rod (402), and a circulating pump (403). 03), connecting pipe (404), circulation pipe (405), liquid storage tank (406), replenishment pipe (407), and solenoid valve (408). The circulation pump (403) is fixedly connected to the base (1). The liquid storage tank (406) is fixedly connected to the outer shell (21) through a bracket. The coil (401) is wound around the surface of the inner liner (23). The heating rod (402) is fixed to the inner cavity of the interlayer (24). One end of the connecting pipe (404) is connected to the interlayer (24), and the other end of the connecting pipe (404) is connected to the circulation pump (408). The inlet of the circulation pipe (403) is connected, one end of the circulation pipe (405) is connected to the outlet of the circulation pump (403), the other end of the circulation pipe (405) passes through the inner cavity of the interlayer (24) and is connected to the inlet of the coil (401), the outlet of the coil (401) is connected to the inner cavity of the interlayer (24), one end of the replenishment pipe (407) is connected to the outlet of the storage tank (406), the other end of the replenishment pipe (407) is connected to the inner cavity of the interlayer (24), and the solenoid valve (408) is installed on the surface of the replenishment pipe (407).

2. The heating and stirring device for preparing chemical sand-fixing agent as described in claim 1, characterized in that: The stirring assembly (3) includes a support box (301), a servo motor (302), a stirring rod (303), a stirring blade (304), a drive wheel (305), and a driven wheel (306). The stirring rod (303) and the stirring blade (304) are both located in the inner cavity of the inner liner (23). The drive wheel (305) and the driven wheel (306) are both installed in the inner cavity of the support box (301). The servo motor (302) is fixed to the top of the support box (301).

3. The heating and stirring device for preparing chemical sand-fixing agent as described in claim 2, characterized in that: One end of the stirring rod (303) is fixedly connected to the stirring blade (304), and the other end of the stirring rod (303) passes through the inner cavity of the support box (301) and is driven by the driven wheel (306). The driving wheel (305) and the driven wheel (306) are connected by a belt drive. The output shaft of the servo motor (302) passes through the inner cavity of the support box (301) and is driven by the driving wheel (305).

4. The heating and stirring device for preparing chemical sand-fixing agent as described in claim 2, characterized in that: The opening and closing assembly (6) includes a hydraulic cylinder (601), a first support base (602), a second support base (603), and a connecting base (604). The support box (301) is fixed to the top of the connecting base (604). The first support base (602) and the second support base (603) are respectively fixed to the lower and upper ends of the surface of the outer shell (21). One end of the connecting base (604) is fixedly connected to the top cover (22).

5. The heating and stirring device for preparing chemical sand-fixing agent as described in claim 4, characterized in that: The other end of the connecting seat (604) is movably connected to the second support seat (603) via a movable pin. The bottom of the hydraulic cylinder (601) is movably connected to the first support seat (602) via a movable pin. The output end of the hydraulic cylinder (601) is movably connected to the connecting seat (604) via a movable pin.

6. The heating and stirring device for preparing chemical sand-fixing agent as described in claim 1, characterized in that: The control component (5) includes a PID controller (51), a first thermometer (52), a second thermometer (53), and a liquid level sensor (54). The PID controller (51), the first thermometer (52), the second thermometer (53), and the liquid level sensor (54) are all fixed to the surface of the outer shell (21). The probes of the second thermometer (53) and the liquid level sensor (54) penetrate into the inner cavity of the interlayer (24), and the probe of the first thermometer (52) penetrates into the inner cavity of the inner liner (23).

7. The heating and stirring device for preparing chemical sand-fixing agent as described in claim 6, characterized in that: The output terminals of the first thermometer (52), the second thermometer (53), and the liquid level sensor (54) are all connected to the input terminal of the PID controller (51), and the output terminal of the PID controller (51) is connected to the input terminals of the PID controller (51), the heating rod (402), the circulating pump (403), and the solenoid valve (408), respectively.

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