Screw water cooled conveyor

Abstract

A spiral water-cooled conveyor, comprising a unit base, a cooling box, a spiral mandrel, a power system and a pipeline system; the cooling box is fixedly installed on the unit base; the cooling box is internally provided with independent outer cooling water cavities and a material conveying cavity, and the cooling box is provided with a feeding port and a discharging port in communication with the material conveying cavity; the spiral mandrel is provided with at least one group, is arranged in the material conveying cavity and is rotatably installed in the cooling box and is driven to rotate by the power system; the spiral mandrel is provided with inner cooling water cavities and a backflow cavity, and a water outlet cavity in communication with the backflow cavity; the spiral mandrel is internally and sealingly fixedly installed with an inner tube, the inner tube passes through the water outlet cavity; the inner cooling water cavities are in communication with the inner tube and the backflow cavity; the pipeline system is provided with outer water inlet pipes and outer water outlet pipes in communication with the outer cooling water cavities, and is further provided with inner water inlet pipes in communication with the inner tube and inner water outlet pipes in communication with the water outlet cavity; the utility model can simultaneously perform cooling work from outside to inside and from inside to outside, and greatly improves heat exchange efficiency.

Description

Technical Field

[0001] This utility model relates to the field of cooling device technology, and in particular to a spiral water-cooled conveyor. Background Technology

[0002] In industrial production fields such as lithium battery materials and chemical raw materials, materials often require rapid and uniform cooling after processing. Traditional spiral cooling equipment mostly only has a single-layer cooling jacket on the outside of the conveying cavity, or only a single cooling channel inside the spiral blades or main shaft. The flow path of the cooling medium is short, the internal temperature cooling efficiency is low, it is difficult to achieve rapid and uniform cooling of materials, and it may also lead to uneven temperature distribution and poor material cooling consistency.

[0003] Therefore, it is necessary to develop a cooling conveying device with high cooling efficiency and uniform cooling effect to solve the above problems. Utility Model Content

[0004] To address the above problems, this utility model proposes a spiral water-cooled conveyor, and the technical solution used is as follows: A spiral water-cooled conveyor includes a unit base, a cooling box, a spiral mandrel, a power system, and a piping system. The cooling box is fixedly installed on the unit base. The cooling box has an independent external cooling water chamber and a material transport chamber, and the cooling box has an inlet and an outlet communicating with the material transport chamber. At least one set of spiral mandrels is provided, which is set in the material transport chamber and rotatably installed inside the cooling box, and is driven to rotate by the power system. The spiral mandrel is provided with an inner cooling water chamber and a return flow chamber, as well as an outlet water chamber communicating with the return flow chamber; an inner tube is sealed and fixedly installed inside the spiral mandrel, and the inner tube passes through the outlet water chamber; the inner cooling water chamber is connected to the inner tube and the return flow chamber; The piping system is provided with an external inlet pipe and an external outlet pipe that are connected to the external cooling water chamber, as well as an internal inlet pipe that is connected to the internal pipe and an internal outlet pipe that is connected to the outlet chamber.

[0005] Furthermore, the inner cooling water cavity is located inside the outer spiral blade of the spiral mandrel and is spiral in shape; the return cavity is located inside the shaft of the spiral mandrel, and spiral blades are fixedly installed inside the shaft of the spiral mandrel, making the return cavity spiral in shape.

[0006] Furthermore, the inner cooling water cavity is connected to a connecting pipe one and a connecting pipe two at its beginning and end, respectively. The connecting pipe one is connected to the inner pipe, and the connecting pipe two is connected to the return cavity.

[0007] Furthermore, the spiral mandrel is provided with a rotary joint; the outer shell of the rotary joint is rotatably mounted on the spiral mandrel, its medium inlet is connected to the water outlet chamber, and its medium outlet is connected to the inner water outlet pipe; the inner pipe body passes through the rotary joint, and the rotary joint and the inner pipe are sealed and rotatably connected.

[0008] Furthermore, the rotary joint is provided with a bend for connecting the inner pipe and the inner water inlet pipe.

[0009] Furthermore, a nitrogen pipe connected to the material transport chamber is fixedly installed on the cooling box.

[0010] Furthermore, a vacuum tube communicating with the material transport chamber is fixedly installed on the cooling box.

[0011] Furthermore, the inner wall of the cooling box is provided with a side wall cooling cavity, and an air pipe is fixedly installed on the outer wall, the air pipe being connected to the corresponding side wall cooling cavity.

[0012] Furthermore, the sidewall cooling cavity is formed by the isolation plate and the sidewall of the cooling box.

[0013] Furthermore, the external water inlet pipe, external water outlet pipe, internal water inlet pipe, and internal water outlet pipe of the pipeline system are connected to an external circulation system.

[0014] Because this utility model adopts the above-described technical solution, it has the following advantages: 1. This utility model, through the combined design of an external cooling water chamber, a material transport chamber, and a spiral mandrel, allows the cooling water in the external cooling water chamber to surround the material transport chamber, while the cooling water in the internal cooling water chamber flows within the outer spiral blades of the spiral mandrel. This enables simultaneous cooling from the outside in and from the inside out as the material is moved by the spiral mandrel, significantly improving heat exchange efficiency.

[0015] 2. The internal cooling water chamber of this utility model is set inside the outer spiral blade of the spiral mandrel, which can cool the material while stirring it, resulting in high cooling uniformity and ensuring the quality of material processing.

[0016] 3. The cooling box of this utility model has a side wall cooling cavity on its side wall. By exchanging airflow with the outside, the side wall is cooled, thereby improving the heat dissipation efficiency of the side wall and the overall cooling effect.

[0017] 4. This utility model is equipped with a nitrogen tube and a vacuum tube, which can selectively inject nitrogen into the material transport cavity or evacuate the material transport cavity according to the transportation requirements of different types of materials. Attached Figure Description

[0018] Figure 1 This is a side-view diagram of the overall structure of this utility model.

[0019] Figure 2 This is a side-view schematic diagram of the overall structure of this utility model.

[0020] Figure 3 This is a top view of the overall structure of this utility model.

[0021] Figure 4 This is a right view of the overall structure of this utility model.

[0022] Figure 5 This utility model Figure 4 A schematic cross-sectional view of section AA.

[0023] Figure 6 This utility model Figure 4 A schematic cross-sectional view of section BB.

[0024] Figure 7 This utility model Figure 4 A schematic cross-sectional view of section CC.

[0025] Figure 8 This is a left view of the overall structure of this utility model.

[0026] Figure 9 This utility model Figure 8 A schematic cross-sectional view of section DD.

[0027] Figure 10 This is a schematic diagram of the assembly structure of the spiral mandrel, power system, and pipeline system of this utility model.

[0028] Figure 11 This is a schematic diagram of the assembly structure of the spiral mandrel, rotary joint and inner water inlet pipe of this utility model.

[0029] Figure 12 This is a schematic cross-sectional view of the assembly of the spiral mandrel, rotary joint and inner water inlet pipe of this utility model.

[0030] Figure 13 This utility model Figure 12 A magnified schematic diagram of the local structure at point E in the middle.

[0031] Figure 14 This utility model Figure 12 A magnified schematic diagram of the local structure at point F.

[0032] Figure 15 This is a cross-sectional structural diagram of the spiral mandrel of this utility model.

[0033] Figure 16 This utility model Figure 15 A magnified schematic diagram of the local structure at point G.

[0034] Figure 17 This utility model Figure 15 A magnified schematic diagram of the local structure at point H.

[0035] Icon labels: 1-Unit base; 2-Cooling box; 201-External cooling water chamber; 202-Material transport chamber; 203-Inlet; 204-Outlet; 205-Side wall cooling chamber; 206-Gas pipe; 3-Spiral mandrel; 301-Inner cooling water chamber; 302-Recirculation chamber; 303-Connecting pipe one; 304-Connecting pipe two; 305-Water outlet chamber; 4-Rotary joint; 5-Inner pipe; 6-Power system; 7-Pipeline system; 701-External water inlet pipe; 702-Outer water outlet pipe; 703-Inner water inlet pipe; 8-Nitrogen pipe; 9-Vacuum pipe. Detailed Implementation

[0036] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this utility model; however, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0037] In the description of this utility model, it should be noted that the terms "upper", "lower", "in", "out", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example:

[0038] A spiral water-cooled conveyor, such as Figures 1-3 and Figure 10 As shown, it includes a unit base 1, a cooling box 2, a spiral mandrel 3, a power system 6, and a piping system 7; the cooling box 2 is fixedly installed on the unit base 1, and the cooling box 2 is provided with a feed inlet 203 and a discharge outlet 204; the spiral mandrel 3 is rotatably installed inside the cooling box 2 and is driven to rotate by the power system 6; the piping system 7 is used for the circulation of cooling water.

[0039] like Figures 4-10As shown, the cooling box 2 is provided with an independent external cooling water chamber 201 and a material transport chamber 202. A partition plate fixedly installed inside the cooling box 2 divides the internal space of the cooling box 2 into the external cooling water chamber 201 and the material transport chamber 202. The inlet 203 and the outlet 204 are both connected to the material transport chamber 202. The spiral mandrel 3 is set in the material transport chamber 202, and at least one set is provided (in this embodiment, two sets of spiral mandrels 3 arranged side by side are used as an example) to drive the material to move. The pipeline system 7 is provided with an external water inlet pipe 701 and an external water outlet pipe 702. The external water inlet pipe 701 and the external water outlet pipe 702 are both fixedly installed on the side wall of the cooling box 2 and connected to the external cooling water chamber 201. The cooling water in the pipeline system 7 enters the external cooling water chamber 201 from the external water inlet pipe 701 and flows out from the external water outlet pipe 702, thereby cooling the material from the outside to the inside. Nitrogen pipe 8 and vacuum pipe 9 are also fixedly installed on the side wall of the cooling box 2. Both nitrogen pipe 8 and vacuum pipe 9 are connected to the material transport chamber 202, which can selectively inject nitrogen into the material transport chamber 202 or evacuate the material transport chamber 202 according to the type of material.

[0040] As a specific implementation of this embodiment, in order to ensure that the external cooling water cavity 201 is divided into several independent external cooling water cavities, this embodiment takes two external cooling water cavities as an example. Each external cooling water cavity is connected to an external water inlet pipe 701 and an external water outlet pipe 702.

[0041] like Figures 11-17 As shown, the spiral mandrel 3 is provided with an inner cooling water cavity 301 and a return cavity 302. The inner cooling water cavity 301 is located inside the outer spiral blade of the spiral mandrel 3 and is spiral in shape. The return cavity 302 is located inside the shaft of the spiral mandrel 3, and spiral blades are fixedly installed inside the shaft of the spiral mandrel 3, making the return cavity 302 spiral in shape. The first end of the spiral mandrel 3 is provided with a water outlet cavity 305, which is connected to the return cavity 302. The piping system 7 is provided with an inner water inlet pipe 703 and an inner water outlet pipe (the inner water outlet pipe is not shown in the attached figure). The first end of the spiral mandrel 3 is provided with a rotary joint 4, and the outer shell of the rotary joint 4 is rotatably mounted on the spiral mandrel 3. On the spiral mandrel 3, the medium inlet is connected to the water outlet chamber 305, and the medium outlet is connected to the inner water outlet pipe; an inner tube 5 is sealed and fixedly installed inside the first end of the spiral mandrel 3, the inner tube 5 passes through the water outlet chamber 305 and the rotary joint 4, and the outermost end is connected to the inner water inlet pipe 703; the rotary joint 4 and the inner tube 5 are sealed and rotatably connected, and the rotary joint 4 is provided with a bend for connecting the inner tube 5 and the inner water inlet pipe 703; the first and second connecting pipes 303 and 304 are respectively connected at the beginning and end of the inner cooling water chamber 301, the first connecting pipe 303 is connected to the inner tube 5, and the second connecting pipe 304 is connected to the return chamber 302; The cooling water of the pipeline system 7 enters the inner pipe 5 through the inner inlet pipe 703, then enters the inner cooling water chamber 301 through the connecting pipe 1 303, flows to the connecting pipe 2 304 and then enters the return chamber 302, enters the outlet chamber 305 through the return chamber 302, and finally enters the inner outlet pipe through the rotary joint 4, thereby carrying out internal cooling work from the inside of the material to the outside.

[0042] like Figures 12-14 As shown, in order to improve the heat dissipation efficiency and overall cooling effect of the side wall of the cooling box 2, a side wall cooling cavity 205 is provided on the inner side wall of the cooling box 2, and an air pipe 206 is fixedly installed on the outer side wall. The side wall cooling cavity 205 is formed by the isolation plate and the side wall of the cooling box 2. The air pipe 206 is connected to the corresponding side wall cooling cavity 205, so that the inside of the side wall cooling cavity 205 exchanges airflow with the outside, thereby achieving the effect of cooling the side wall.

[0043] As a specific implementation of this embodiment, the power system 6 adopts an electric motor, which drives the spiral spindle 3 to rotate through a planetary reducer and a coupling.

[0044] Temperature sensors are installed on both the feed inlet 203 and the discharge outlet 204 to monitor the material temperature. When the temperature change is not up to standard, the material movement speed can be controlled by adjusting the rotation speed of the spiral mandrel 3, thereby achieving the effect of controlling the material temperature.

[0045] The piping system 7 is equipped with a regulating valve, a flow meter, a temperature transmitter, and a Y-type filter. Its external water inlet pipe 701, external water outlet pipe 702, internal water inlet pipe 703, and internal water outlet pipe can be connected to an external circulation system for cooling water circulation. The circulation system is an existing technology and will not be described in detail here.

Claims

1. A spiral water-cooled conveyor, characterized in that, The unit includes a base (1), a cooling box (2), a spiral mandrel (3), a power system (6), and a piping system (7); the cooling box (2) is fixedly installed on the base (1); the cooling box (2) is provided with an independent external cooling water chamber (201) and a material transport chamber (202), and the cooling box (2) is provided with an inlet (203) and an outlet (204) communicating with the material transport chamber (202); at least one set of spiral mandrels (3) is provided, which is set in the material transport chamber (202) and rotatably installed inside the cooling box (2), and is driven to rotate by the power system (6); The spiral mandrel (3) is provided with an inner cooling water chamber (301) and a return chamber (302), as well as an outlet chamber (305) communicating with the return chamber (302); an inner tube (5) is sealed and fixedly installed inside the spiral mandrel (3), and the tube body of the inner tube (5) passes through the outlet chamber (305); the inner cooling water chamber (301) is connected to the inner tube (5) and the return chamber (302); The piping system (7) is provided with an external water inlet pipe (701) and an external water outlet pipe (702) connected to the external cooling water chamber (201), an internal water inlet pipe (703) connected to the internal pipe (5), and an internal water outlet pipe connected to the water outlet chamber (305).

2. The spiral water-cooled conveyor according to claim 1, characterized in that, The inner cooling water cavity (301) is located inside the outer spiral blade of the spiral mandrel (3) and is spiral in shape; the return cavity (302) is located inside the shaft of the spiral mandrel (3), and spiral blades are fixedly installed inside the shaft of the spiral mandrel (3) so that the return cavity (302) is spiral in shape.

3. The spiral water-cooled conveyor according to claim 2, characterized in that, The inner cooling water cavity (301) is connected to a first connecting pipe (303) and a second connecting pipe (304) at its beginning and end, respectively. The first connecting pipe (303) is connected to the inner pipe (5), and the second connecting pipe (304) is connected to the return cavity (302).

4. The spiral water-cooled conveyor according to claim 1, characterized in that, The spiral mandrel (3) is provided with a rotary joint (4); the outer shell of the rotary joint (4) is rotatably mounted on the spiral mandrel (3), its medium inlet is connected to the water outlet chamber (305), and its medium outlet is connected to the inner water outlet pipe; the inner pipe (5) passes through the rotary joint (4), and the rotary joint (4) and the inner pipe (5) are sealed and rotatably connected.

5. The spiral water-cooled conveyor according to claim 4, characterized in that, The rotary joint (4) is provided with a bend for connecting the inner pipe (5) and the inner water inlet pipe (703).

6. The spiral water-cooled conveyor according to claim 1, characterized in that, A nitrogen pipe (8) connected to the material transport chamber (202) is fixedly installed on the cooling box (2).

7. The spiral water-cooled conveyor according to claim 1, characterized in that, A vacuum tube (9) connected to the material transport chamber (202) is fixedly installed on the cooling box (2).

8. The spiral water-cooled conveyor according to claim 1, characterized in that, The cooling box (2) has a side wall cooling cavity (205) on its inner side wall and an air pipe (206) fixedly installed on its outer side wall. The air pipe (206) is connected to the corresponding side wall cooling cavity (205).

9. A spiral water-cooled conveyor according to claim 8, characterized in that, The sidewall cooling cavity (205) is formed by the isolation plate and the sidewall of the cooling box (2).

10. A spiral water-cooled conveyor according to claim 1, characterized in that, The external water inlet pipe (701), external water outlet pipe (702), internal water inlet pipe (703), and internal water outlet pipe of the pipeline system (7) are connected to the external circulation system.

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