Tank-type calcining furnace cooling device

Abstract

The utility model discloses a cooling device for a pot-type calcining furnace, which relates to the technical field of pot-type calcining furnaces and comprises a cooling bin main body, a feed port arranged at the top of the cooling bin main body, a first guide plate arranged below the feed port, and a discharge port arranged at the bottom of the cooling bin main body. A second guide plate is arranged between every two adjacent spiral heat exchange coils, the upper ends and the lower ends of the spiral heat exchange coils are connected with a water inlet pipe and a water outlet pipe respectively, the water inlet pipe and the water outlet pipe are connected with a water storage tank, a circulating pump is connected between the water storage tank and the flow control valve, and a flow sensor connected with a controller is arranged on the water inlet pipe. According to the cooling device of the pot-type calcining furnace adopting the structure, the spiral heat exchange coil pipe and the flow guide plate are arranged, so that the heat exchange area is increased, the contact time of cooling water and materials is prolonged, the cooling efficiency is improved, the cooling process is accurately controlled through an intelligent control system, and the service life of the pot-type calcining furnace is prolonged. And the sealing performance in the cooling bin is ensured by arranging the double-gate air-tight seal material valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to tank type calcining furnace technical field, concretely relates to a tank type calcining furnace cooling device. BACKGROUND

[0002] Tank type calcining furnace is widely used in industrial production, and is mainly used for high-temperature calcination treatment of materials. However, the temperature of the material after high-temperature calcination is extremely high, and effective cooling treatment is needed for subsequent transportation, storage and further processing. The existing tank type calcining furnace cooling device has low cooling efficiency, poor sealing performance, and lacks intelligent control means. For the key parameters such as temperature, flow and pressure in the cooling process, real-time monitoring and accurate control cannot be carried out, which makes it difficult to achieve the best effect in the cooling process, increasing energy consumption and production cost. Therefore, it is necessary to develop a high-efficiency and reliable tank type calcining furnace cooling device. SUMMARY

[0003] The utility model aims at providing a tank type calcining furnace cooling device, by setting up spiral heat exchange coil pipe, and setting up the fairing plate matched with spiral heat exchange coil pipe, increase the heat exchange area and the contact time of cooling water and material, improve the cooling efficiency, realize the accurate control to the cooling process through the intelligent control system, ensure the sealing performance in the cooling bin through the setting of double-gate air-tight seal material valve.

[0004] To achieve the above-mentioned purpose, the utility model provides a tank type calcining furnace cooling device, including cooling bin main part, the top of cooling bin main part is provided with feed inlet, the lower part of feed inlet is provided with first fairing plate, the bottom of cooling bin main part is provided with discharge gate, spiral heat exchange coil pipe is fixed in the inside of cooling bin main part through support, two adjacent spiral heat exchange coil pipes are provided with second fairing plate, the upper and lower ends of spiral heat exchange coil pipe are connected with water inlet pipe and water outlet pipe respectively, water inlet pipe and water outlet pipe are connected with water storage pool, water storage pool is arranged in one side of cooling bin main part, water storage pool and flow control valve are connected through water inlet pipe and circulating pump, flow sensor is arranged on water inlet pipe, flow sensor is connected with controller.

[0005] Preferably, the spiral heat exchange coil pipe is provided with a plurality of temperature sensors, the temperature sensors are uniformly distributed on the spiral heat exchange coil pipe, and the temperature sensors are connected with the controller.

[0006] Preferably, the material of the spiral heat exchange coil pipe is high-temperature resistant alloy steel, and the surface of the spiral heat exchange coil pipe is coated with a nano-level heat-conducting coating.

[0007] Preferably, one end of the first flow guide plate is fixed to the inner wall of the feeding port, and the other end extends to the second flow guide plate, and the first flow guide plate is connected to the second flow guide plate by welding.

[0008] Preferably, the second flow guide plate adopts an arc structure and is matched with the arc of the spiral heat exchange coil, and the second flow guide plate is uniformly provided with protrusions, and the spiral turns of two adjacent spiral heat exchange coils are connected by the second flow guide plate.

[0009] Preferably, the feeding port is provided with a double-gate air-tight seal valve, and the double-gate air-tight seal valve is internally provided with an electromagnetic valve connected with the controller.

[0010] Preferably, the discharging port is provided with a pressure regulating valve, and one side of the discharging port is provided with a pressure sensor, and the pressure regulating valve and the pressure sensor are connected with the controller.

[0011] Therefore, the cooling device of the tank type calcining furnace has the following beneficial effects:

[0012] (1) The cooling device of the tank type calcining furnace has the following beneficial effects:

[0013] (2) The cooling device of the tank type calcining furnace has the following beneficial effects:

[0014] (3) The cooling device of the tank type calcining furnace has the following beneficial effects:

[0015] The technical scheme of the cooling device of the tank type calcining furnace will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a structural schematic view of the cooling device of the tank type calcining furnace;

[0017] The labels in the attached diagram are as follows: 1. Feed inlet; 2. Double-gate airtight material valve; 3. Cooling chamber body; 4. Support frame; 5. Spiral heat exchange coil; 6. First guide plate; 7. Second guide plate; 8. Pressure sensor; 9. Discharge outlet; 10. Pressure regulating valve; 11. Flow control valve; 12. Flow sensor; 13. Circulating pump; 14. Temperature sensor; 15. Water inlet pipe; 16. Water outlet pipe; 17. Controller; 18. Water storage tank. Detailed Implementation

[0018] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments. Unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by those skilled in the art to which this utility model pertains. The features mentioned above or in the specific examples mentioned in this utility model can be combined arbitrarily, and these specific embodiments are only used to illustrate this utility model and are not intended to limit the scope of this utility model.

[0019] Example

[0020] like Figure 1 As shown, this utility model provides a cooling device for a tank-type calcining furnace, including a cooling chamber body 3. The top of the cooling chamber body 3 is provided with a feed inlet 1, and the feed inlet 1 is provided with a double-gate airtight material valve 2. A first guide plate 6 is provided below the feed inlet 1. The bottom of the cooling chamber body 3 is provided with a discharge outlet 9, and the discharge outlet 9 is provided with a pressure regulating valve 10. A spiral heat exchange coil 5 is fixed inside the cooling chamber body 3 by a bracket 4. A second guide plate 7 is provided between two adjacent spiral heat exchange coils 5. The upper and lower ends of the spiral heat exchange coil 5 are respectively connected to a water inlet pipe 15 and a water outlet pipe 16. Both the water inlet pipe 15 and the water outlet pipe 16 are connected to a water storage tank 18. The water storage tank 18 is located on one side of the cooling chamber body 3. The water storage tank 18 and the flow control valve 11 are connected to a circulating pump 13 through the water inlet pipe 15. A flow sensor 12 is provided on the water inlet pipe 15, and the flow sensor 12 is connected to a controller 17. The material enters the cooling chamber body 3 and reaches the second guide plate 7 along the first guide plate 6. It comes into full contact with the spiral heat exchange coil 5 on the second guide plate 7 to achieve heat exchange. The cooled material is discharged from the discharge port 9, and the water in the spiral heat exchange coil 5 is discharged into the water storage tank 18 through the water outlet pipe 16.

[0021] Several temperature sensors 14 are installed on the spiral heat exchange coil 5. The temperature sensors 14 are evenly distributed on the spiral heat exchange coil 5. The temperature sensors 14 are connected to the controller 17 to monitor the temperature distribution of the spiral heat exchange coil 5 in real time.

[0022] The spiral heat exchange coil 5 is made of high-temperature resistant alloy steel. The surface of the spiral heat exchange coil 5 is coated with a nano-level thermally conductive coating, which improves the high-temperature resistance of the spiral heat exchange coil 5 and enhances its thermal conductivity.

[0023] One end of the first flow guide plate 6 is fixed to the inner wall of the feed inlet 1, and the other end extends to the second flow guide plate 7, and the first flow guide plate 6 and the second flow guide plate 7 are connected by welding.

[0024] The second flow guide plate 7 adopts an arc structure and is matched with the arc of the spiral heat exchange coil 5, and the second flow guide plate 7 is uniformly provided with protrusions, and the spiral coils of two adjacent spiral heat exchange coils 5 are connected by the second flow guide plate 7.

[0025] The double-gate air-tight seal valve 2 is internally provided with a solenoid valve, the solenoid valve is connected with the controller 17, can effectively prevent air from entering the inside of the cooling bin body 3, and can accurately control the feeding amount and feeding speed of the material.

[0026] The discharge outlet 9 is provided with a pressure regulating valve 10, one side of the discharge outlet 9 is provided with a pressure sensor 8, the pressure regulating valve 10 and the pressure sensor 8 are connected with the controller 17, the pressure sensor 8 monitors the pressure of the discharge outlet 9 in real time and feeds back the pressure data to the controller 17, and the controller 17 adjusts the opening of the pressure regulating valve 10 according to the feedback data.

[0027] The material enters from the feed inlet 1 at the top of the cooling bin body 3, after the material enters, first falls on the first flow guide plate 6, the first flow guide plate 6 preliminarily guides the material to fall, the material reaches the second flow guide plate 7 along the first flow guide plate 6, the second flow guide plate 7 adopts an arc structure and is matched with the arc of the spiral heat exchange coil 5, and the second flow guide plate 7 is provided with uniformly distributed protrusions, so that the material fully contacts with the spiral heat exchange coil 5 in the falling process, the contact time of the material and the spiral heat exchange coil 5 is prolonged, and the cooling effect is enhanced. The cooling water flows into the spiral heat exchange coil 5 through the water inlet pipe 15 under the action of the circulating pump 13, the flow sensor 12 on the water inlet pipe 15 monitors the water flow in real time and transmits the data to the controller 17, and the controller 17 can adjust the water flow according to the actual situation through the flow control valve 11. When the water flows in the spiral heat exchange coil 5, heat exchange is performed with the surrounding high-temperature material, the material is cooled, the water after absorbing heat flows back to the water storage tank 18 through the water outlet pipe 16, and one cycle is completed. A plurality of temperature sensors 14 are uniformly distributed on the spiral heat exchange coil 5, if the temperature is too high, the controller 17 can increase the water flow by adjusting the flow control valve 11 to enhance the cooling effect; if the temperature is too low, the water flow can be appropriately reduced. The pressure regulating valve 10 and the pressure sensor 8 are arranged at the discharge outlet 9, when the pressure of the discharge outlet 9 is abnormal, the controller 17 controls the pressure regulating valve 10 to make corresponding adjustment, so as to ensure the smooth discharge and safe and stable operation of the device.

[0028] Therefore, the utility model discloses a kind of tank type calcining furnace cooling device with the above structure, by setting spiral heat exchange coil pipe, and setting the guide vane matched with spiral heat exchange coil pipe, increase the heat exchange area and the contact time of cooling water and material, improve cooling efficiency, through intelligent control system, realize the accurate control to cooling process, through setting double-gate airtight seal material valve, the sealing property in the cooling bin main body is guaranteed.

[0029] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: its still can modify or equivalent replace the technical solutions of the utility model, and these modifications or equivalent replacements also cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the utility model.

Claims

1. A cooling device for a tank-type calcining furnace, characterized in that: The device includes a cooling chamber body, with a feed inlet at the top and a first guide plate below the feed inlet. A discharge outlet is located at the bottom of the cooling chamber body. Spiral heat exchange coils are fixed inside the cooling chamber body by supports. A second guide plate is positioned between two adjacent spiral heat exchange coils. The upper and lower ends of each spiral heat exchange coil are connected to an inlet pipe and an outlet pipe, respectively. Both the inlet and outlet pipes are connected to a water storage tank located on one side of the cooling chamber body. The water storage tank and a flow control valve are connected to a circulating pump via the inlet pipe. A flow sensor is installed on the inlet pipe and connected to a controller.

2. The cooling device for a tank-type calcining furnace according to claim 1, characterized in that: Several temperature sensors are installed on the spiral heat exchange coil. The temperature sensors are evenly distributed on the spiral heat exchange coil and are connected to the controller.

3. The cooling device for a tank-type calcining furnace according to claim 1, characterized in that: The spiral heat exchange coil is made of high-temperature resistant alloy steel, and its surface is coated with a nano-scale thermally conductive coating.

4. The cooling device for a tank-type calcining furnace according to claim 1, characterized in that: One end of the first guide plate is fixed to the inner wall of the feed inlet, and the other end extends to the second guide plate. The first guide plate and the second guide plate are connected by welding.

5. A cooling device for a tank-type calcining furnace according to claim 1, characterized in that: The second guide plate has an arc-shaped structure that matches the curvature of the spiral heat exchange coil. The second guide plate is uniformly provided with protrusions, and the spiral coils of two adjacent spiral heat exchange coils are connected by the second guide plate.

6. A cooling device for a tank-type calcining furnace according to claim 1, characterized in that: The feed inlet is equipped with a double-gate airtight material valve, and the double-gate airtight material valve is internally equipped with a solenoid valve connected to the controller.

7. The cooling device for the tank-type calcining furnace according to claim 1, characterized in that: The discharge port is equipped with a pressure regulating valve, and a pressure sensor is installed on one side of the discharge port. Both the pressure regulating valve and the pressure sensor are connected to the controller.

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