Distributed mixing device for aerobic composting

Abstract

The invention discloses a distributed aerobic composting mixing device which comprises a tank body, a first flow-through disc is fixed to the bottom of a tank cavity of the tank body, a concave box is installed at the center of the lower end face of the first flow-through disc, a flow hole is formed in the lower end of the concave box, a rotating frame is rotatably installed at the center in the concave box, a guide cylinder is fixed to the upper end of the rotating frame, and a through opening is formed in the rotating frame. A discharging pipe and a first motor are installed at the lower end of the tank body, the first motor is connected with a rotating frame, a feeding port, an oxygen supply pipe and a second motor are installed at the upper end of the tank body, the second motor is connected with a material guiding spiral blade penetrating through a guide cylinder, and a dispersing disc frame is installed at the upper end of the material guiding spiral blade. And a material guide screw rod is rotationally installed on the side wall of the annular shell cover, a lifting assembly is installed on the side wall of the tank body, a second flow penetrating disc arranged on the outer side of the guide cylinder in a sleeving mode is installed on the lifting assembly, and a spraying assembly and a circulating assembly are further arranged on the tank body. The aerobic microorganisms and the mixed materials are uniformly mixed, and the mixing effect is enhanced through crushing fan blades and a stirring rod.

Description

Technical Field

[0001] The invention relates to the technical field of material mixing, in particular to a distributed aerobic composting mixing device. Background Art

[0002] Aerobic composting uses microorganisms to degrade organic solid waste into stable humus. In traditional composting processes, material mixing relies on manual turning or large-scale mechanical stirring, which has the following problems:

[0003] (1) Manual turning of the pile is labor-intensive and infrequent, which can easily lead to local anaerobic fermentation of the pile, produce foul-smelling gases and reduce the composting efficiency; it can also form areas of local over-density or overly large pores, affecting the uniform distribution of the microbial community.

[0004] (2) Most existing devices use passive ventilation or timed oxygen supply mode, which leads to insufficient oxygen supply in high-temperature areas and waste of energy in low-temperature areas.

[0005] Therefore, it is necessary to provide a distributed aerobic composting mixing device to solve the problems raised in the above background technology. Summary of the Invention

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a distributed aerobic composting mixing device, comprising a tank body, a permeable disc 1 is fixed at the bottom of the tank cavity of the tank body, a concave box is installed at the center of the lower end surface of the permeable disc, a flow hole is provided at the lower end of the concave box, a rotating frame is rotatably installed in the center of the concave box, a guide cylinder is fixed at the upper end of the rotating frame, and a through-hole is provided on the rotating frame, a discharge pipe and a motor 1 are respectively installed at the lower end of the tank body, the motor 1 is connected to the rotating frame, and a feed port, an oxygen supply pipe and a motor are respectively installed at the upper end of the tank body Second, the motor is connected to a material guide screw blade that passes through the guide cylinder, a dispersion disc frame is installed on the upper end of the material guide screw blade, an annular shell cover and a crushing fan blade are respectively installed on the outer wall of the lower end of the guide cylinder, a material guide screw is rotatably installed on the side wall of the annular shell cover, and a lifting assembly is installed on the side wall of the tank body, and a flow disc 2 is installed on the outer side of the guide cylinder. The tank body is also provided with a spraying assembly and a circulation assembly. The spraying assembly is used to guide the liquid at the bottom of the tank body to the top for spraying, and the circulation assembly is used to guide the gas at the top of the tank body to the bottom.

[0007] Furthermore, preferably, a gear ring is provided at the lower end of the annular shell, the gear ring is connected to the upper end of the concave box through a support plate, and a gear meshing with the gear ring is installed on the guide screw.

[0008] Furthermore, preferably, the guide screw includes a shaft, one end of the shaft close to the annular cover is coaxially fixed with the gear, and the outer wall of the shaft is provided with a stirring rod with a spiral trajectory.

[0009] Furthermore, preferably, a brush strip is installed at the outer end of the stirring rod.

[0010] Further, as a preference, the dispersion disc frame includes a top plate fixed coaxially with the material guide screw blade, the lower end of the top plate is connected to a bottom plate by a connecting rod, the bottom plate is located at the upper end of the guide cylinder, the outlet of the feed port is located above the upper surface of the top plate, and the upper surface of the bottom plate is distributed with guide strips.

[0011] Further, as a preference, the lifting assembly includes a motor three installed on the tank body, a screw is installed at the lower end of the motor three, a screw is provided on the screw, a swivel is installed on the swivel, the flow disc two is rotatably installed on the swivel, and the upper surface of the flow disc two is provided with an inverted cone groove surface.

[0012] Furthermore, as a preference, the guide cylinder wall is further provided with a convex strip for axial limiting, and the second flow disc is slidably connected to the convex strip.

[0013] Further, as a preference, the spray assembly includes a conduit 1, on which a pump body 1 is mounted, a lower end of the conduit being connected to the bottom of the tank cavity, an upper end of the conduit being connected to a collecting pipe, and the collecting pipe being connected to a plurality of nozzles located at the top of the tank cavity.

[0014] Further, as a preference, the circulation component includes a second conduit, on which a second pump body is installed, the lower end of the second conduit is connected to the bottom of the tank cavity, the second conduit is connected to the top of the tank cavity, and a filter tube is also provided at the pipe mouth of the second conduit.

[0015] Furthermore, preferably, the side wall of the tank body is provided with a heat-insulating enclosure, and a temperature control tube is installed in the heat-insulating enclosure.

[0016] Compared with the prior art, the present invention provides a distributed aerobic composting mixing device with the following beneficial effects:

[0017] In the present invention, a seepage chamber is formed between the permeable disc 1 and the bottom of the tank cavity of the tank body. The liquid generated during the composting process will seep downward and accumulate. The flow of the liquid will also drive tiny material particle molecules to flow together to form a flowable mixed fluid. The mixed fluid can be mixed with a high concentration of aerobic microorganisms. The mixed fluid in the seepage chamber is sucked by the spraying component and introduced into the top of the tank body and sprayed from top to bottom. The mixed fluid of the accumulated aerobic microorganisms can penetrate and flow from top to bottom in the mixed material above the permeable disc 1, so that the aerobic microorganisms can be evenly mixed in the mixed material, so that the aerobic microorganisms can evenly contact the mixed material and decompose the mixed material. As the composting reaction proceeds, the generated aerobic microorganisms can continuously circulate and seep and mix in the mixed material above the permeable disc 1, thereby improving the mixing uniformity of the aerobic microorganisms and the mixed material, thereby improving the composting efficiency.

[0018] In the present invention, each exchange of the mixed materials between the first and second permeable disks can be further dispersed and mixed by the stirring rod and the crushing blades, so that the gap distribution of the mixed materials is uniform and the microorganisms are evenly distributed, thereby continuously carrying out the mixing and composting reaction of aerobic composting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of the overall structure of the mixing device of the present invention;

[0020] Figure 2 It is a schematic cross-sectional structural diagram of the mixing device of the present invention;

[0021] Figure 3 for Figure 2 Schematic diagram of local structure;

[0022] Figure 4 It is a schematic diagram of the concave box structure of the present invention;

[0023] Figure 5 It is a schematic diagram of the port structure of the present invention;

[0024] Figure 6 This is a schematic diagram of the dispersed disk rack structure of the present invention;

[0025] In the figure: 1. Tank; 2. Flow plate 1; 3. Concave box; 4. Rotating frame; 5. Motor 1; 6. Feed screw; 7. Motor 2; 8. Lifting assembly; 9. Flow plate 2; 10. Ring cover; 11. Feed screw; 12. Support plate; 13. Gear ring; 14. Crushing fan; 15. Spraying assembly; 16. Circulation assembly; 17. Oxygen supply pipe; 18. Discharge pipe; 19. Feed inlet; 20. Dispersion plate; 21. Insulation shell; 22. Temperature control pipe; 31 , flow hole; 41, opening; 42, guide cylinder; 421, convex strip; 81, motor three; 82, screw; 83, screw sleeve; 84, swivel; 111, gear; 112, shaft; 113, stirring rod; 114, brush strip; 151, conduit one; 152, pump body one; 153, collecting pipe; 154, nozzle; 161, conduit two; 162, pump body two; 163, filter tube; 201, top plate; 202, connecting rod; 203, bottom plate; 204, guide strip. DETAILED DESCRIPTION

[0026] Reference Figures 1-6The present invention provides a technical solution: a distributed aerobic composting mixing device, comprising a tank body 1, a permeable disc 2 is fixed at the bottom of the tank cavity of the tank body 1, a concave box 3 is installed at the center of the lower end surface of the permeable disc 2, a flow hole 31 is provided at the lower end of the concave box 3, a rotating frame 4 is rotatably installed in the center of the concave box 3, a guide cylinder 42 is fixed at the upper end of the rotating frame 4, and a through-hole 41 is provided on the rotating frame 4, a discharge pipe 18 and a motor 5 are respectively installed at the lower end of the tank body 1, the motor 5 is connected to the rotating frame 4, a feed port 19, an oxygen supply pipe 17 and a motor 2 7 are respectively installed at the upper end of the tank body 1, and the motor 2 7 is connected to the through-guide cylinder 42 The guide screw blade 6 is provided with a dispersion disc frame 20 on the upper end of the guide screw blade 6, and the outer wall of the lower end of the guide cylinder 42 is respectively provided with an annular shell cover 10 and a crushing fan blade 14, and the side wall of the annular shell cover 10 is rotatably provided with a guide screw 11, and the side wall of the tank body 1 is provided with a lifting assembly 8, and the lifting assembly 8 is provided with a flow disc 2 9 sleeved on the outside of the guide cylinder 42. The tank body 1 is also provided with a spraying assembly 15 and a circulation assembly 16, and the spraying assembly 15 is used to introduce the liquid at the bottom of the tank body 1 into the top for spraying, and the circulation assembly 16 is used to introduce the gas at the top of the tank body 1 into the bottom; in this embodiment, the flow disc 2 and the tank body 1 are connected. A seepage chamber is formed between the bottoms of the tank cavities; wherein, the permeable disc 2 is used to hold aerobic composting mixed materials, and the liquid generated during the composting process will seep downward and accumulate, and the flow of the liquid will also drive the tiny material particle molecules to flow together to form a flowable mixed fluid, and the mixed fluid can be mixed with a high concentration of aerobic microorganisms; wherein, the mixed fluid that can pass through the permeable holes of the permeable disc 2 gradually flows into the permeation chamber, and can gather aerobic microorganisms generated during the composting process, and the mixed materials that cannot pass through the permeable holes of the permeable disc 2 are still above the permeable disc 2; wherein, the mixed fluid is extracted by the spraying assembly 15. The mixed fluid in the suction seepage chamber is introduced into the top of the tank body 1 and sprayed from top to bottom. The mixed fluid of the gathered aerobic microorganisms can penetrate and flow from top to bottom in the mixed material above the permeable disk 2, so that the aerobic microorganisms can be evenly mixed in the mixed material, and the aerobic microorganisms can evenly contact the mixed material and decompose the mixed material. As a result, as the composting reaction proceeds, the generated aerobic microorganisms can continuously circulate and perform seepage mixing in the mixed material above the permeable disk 2, thereby improving the mixing uniformity of the aerobic microorganisms and the mixed material, thereby improving the composting efficiency.

[0027] In this embodiment, the crushing blades 14 are located in the concave box 3 and are also located below the material guide screw 11. The rotation of the rotating frame 4 is controlled by the motor 15, and the rotating frame 4 drives the guide cylinder 42 to rotate. The guide cylinder 42 drives the annular shell 10 and the crushing blades 14 to rotate. The crushing blades 14 can crush and mix the mixed material in the concave box 3 and the mixed material passing through the concave box 3.

[0028] In this embodiment, the through-port 41 in the rotating frame 4 is connected to the barrel cavity of the guide barrel 42. The through-port 41 is located at the bottom of the concave box 3. The lower end of the guide screw blade 6 is located at the through-port 41 so that the guide screw blade 6 can transfer the mixed material in the concave box 3. The flow hole 31 is set so that the mixed fluid in the concave box 3 can also flow into the seepage chamber and gather.

[0029] In this embodiment, the lifting assembly 8 can regulate the permeable disk 2 9 to squeeze the mixed material above the permeable disk 1 2 so that the mixed fluid in the mixed material above the permeable disk 1 2 can fully flow into the seepage chamber.

[0030] In this embodiment, the oxygen supply pipe 17 is used to timely replenish the oxygen in the tank body 1, and the circulation component 16 is used to suck the gas at the top of the tank body 1 into the seepage chamber. The gas penetrates into the mixed material above the permeable disc 2 through the permeable disc 2, so that the oxygen can be evenly mixed into the mixed material above the permeable disc 2, and can also make the interior of the mixed material above the permeable disc 2 have a better softening effect, thereby improving the composting reaction efficiency.

[0031] The gear 111 is driven by the guide rod 112 to rotate, and the guide rod 112 is driven by the annular cover 10, and the annular cover 10 drives the shaft 112 to move circumferentially, so that the gear 111 rolls along the gear ring 13, and the gear 111 drives the shaft 112 to rotate, and the shaft 112 drives the stirring rod 113 arranged on the spiral track to rotate, and the stirring rod 113 is densely arranged, so that the stirring rod 113 arranged on the spiral track has the effect of pushing the mixed material. It should be noted that the rotation direction of the rotating frame 4 is controlled by the motor 15, and the rotation direction of the shaft 112 can be transmitted and controlled, so that the stirring rod 113 arranged on the spiral track has two directions for pushing the mixed material. The pushing direction of the stirring rod 113 is to transfer the mixed material above the permeable disk 2 to the concave box 3, and the pushing direction of the stirring rod 113 is to transfer the mixed material in the concave box 3 to the top of the permeable disk 2.

[0032] In this embodiment, the rotation direction of the guide screw blade 6 is controlled by the motor 7, and the guide screw blade 6 can be controlled to transfer the mixed material from top to bottom and from bottom to top. The first transfer method is that when the mixed material is placed on the permeable disk 2, the guide screw 11 assists in transferring the mixed material placed on the permeable disk 2 to the concave box 3. The guide screw blade 6 transfers the mixed material in the concave box 3 upward and guides it into the dispersion disk frame 20 through the upper end of the guide cylinder 42 for dispersion, so that the permeable disk 2 can be The mixed material above is transferred and mixed, and then introduced to the top of the permeable disk 2 9; the second material transfer method is that when the mixed material is placed above the permeable disk 2 9, the permeable disk 2 9 is adjusted to move upward by cooperating with the lifting component 8, so that the mixed material above the permeable disk 2 9 enters the upper end of the guide cylinder 42, and the guide screw blade 6 transfers the mixed material at the upper end of the guide cylinder 42 downward, and leads it out through the lower end of the guide cylinder 42 into the concave box 3, and the guide screw 11 assists in transferring the mixed material in the concave box 3 to the top of the permeable disk 2.

[0033] In this embodiment, a gear ring 13 is provided at the lower end of the annular housing 10 . The gear ring 13 is connected to the upper end of the concave box 3 through a support plate 12 . A gear 111 meshing with the gear ring 13 is installed on the guide screw 11 .

[0034] In this embodiment, the material guide screw 11 includes a shaft 112, and the end of the shaft 112 close to the annular shell 10 is coaxially fixed with the gear 111. The outer wall of the shaft 112 is provided with a stirring rod 113 with a spiral trajectory, and the stirring rod 113 is densely arranged so that during the rotation of the shaft 112, the stirring rod 113 distributed with a spiral trajectory also has the effect of transferring materials.

[0035] In this embodiment, a brush strip 114 is installed at the outer end of the stirring rod 113. The brush strip 114 can contact and clean the surface of the flow disc 1 2 and the flow disc 2 9, which is beneficial to maintaining the transparent effect of the flow disc 1 2 and the flow disc 2 9.

[0036] In this embodiment, the dispersion disc frame 20 includes a top plate 201 coaxially fixed with the guide screw blade 6, and the lower end of the top plate 201 is connected to the bottom plate 203 through a connecting rod 202. The bottom plate 203 is located at the upper end of the guide cylinder 42. The outlet of the feed port 19 is located above the upper disk surface of the top plate 201, and the upper disk surface of the bottom plate 203 is distributed with guide strips 204; that is, when the feed port 19 introduces compost material, the motor 2 7 controls the guide screw blade 6 and the top plate 201 to rotate synchronously. The moment the compost material falls into the top plate 201, it will be dispersed by the action of centrifugal force, thereby dispersing and mixing the compost material. When it is in the above-mentioned material transfer mode 1, the mixed material can be dispersed and mixed through the bottom plate 203.

[0037] In this embodiment, the lifting assembly 8 includes a motor 3 81 installed on the tank body 1, a screw 82 is installed at the lower end of the motor 3 81, a screw sleeve 83 is provided on the screw 82, a swivel 84 is installed on the screw sleeve 83, and a flow disc 2 9 is rotatably installed on the swivel 84, and the upper surface of the flow disc 2 9 is provided with an inverted cone groove surface so that the mixed material above the flow disc 2 9 can flow to the upper end of the guide cylinder 42.

[0038] In this embodiment, the wall of the guide cylinder 42 is further provided with an axially limiting protrusion 421, and the flow disc 2 9 is slidably connected to the protrusion 421, so that when the flow disc 2 9 rotates, the flow disc 2 9 can evenly receive the mixed material above it without affecting the lifting component 8 to control the movement of the flow disc 2 9.

[0039] In this embodiment, the spray assembly 15 includes a conduit 151, a pump body 152 is installed on the conduit 151, the lower end of the conduit 151 is connected to the bottom of the tank cavity of the tank body 1, the upper end of the conduit 151 is connected to a collecting pipe 153, and the collecting pipe 153 is connected to a plurality of nozzles 154 located at the top of the tank cavity of the tank body 1.

[0040] In this embodiment, the circulation component 16 includes a second conduit 161, on which a second pump body 162 is installed. The lower end of the second conduit 161 is connected to the bottom of the tank cavity of the tank body 1, and the second conduit 161 is connected to the top of the tank cavity of the tank body 1. The pipe mouth of the second conduit 161 is also provided with a filter tube 163.

[0041] In this embodiment, a heat-insulating shell 21 is provided on the side wall of the tank body 1 , and a temperature control tube 211 is installed in the heat-insulating shell 21 .

[0042] In specific implementation, it includes the following steps:

[0043] S1: Install a distributed liquid sensor at the bottom of the tank 1, adjust the permeable disc 2 9 to the upper position, and control the rotation of the dispersion disc frame 20 by the motor 2 7. The direction of rotation of the guide screw blade 6 is such that the guide screw blade 6 transfers the material upward and introduces the compost material into the feed port 19. As the material accumulates above the permeable disc 2 9, the lifting assembly 8 cooperates to control the permeable disc 2 9 to move downward until the material accumulation in the permeable disc 2 9 is completed.

[0044] S2: Start the circulation component 16 to guide the gas at the top of the tank body 1 to the bottom, and supply oxygen to the interior of the tank body 1 through the oxygen supply pipe 17;

[0045] S3: When the liquid sensor detects that a certain amount of liquid has accumulated at the bottom of the tank body 1, the lifting assembly 8 controls the second permeable plate 9 to move upward, so that the mixed material flows to the upper end of the guide cylinder 42. The motor 2 7 controls the guide screw 6 to transfer the material downward. The motor 1 5 controls the rotating frame 4 to rotate, so that the guide screw 11 transfers the mixed material in the concave box 3 to the permeable plate 2 until the material transfer to the permeable plate 2 is completed.

[0046] S4: The lifting assembly 8 is used to control the downward movement of the permeable plate 2 9, and the mixed material above the permeable plate 1 2 is pressed and squeezed to discharge the liquid downward, until the extrusion of the mixed material above the permeable plate 1 2 is completed;

[0047] S5: Motor 2 7 controls the material guide screw 6 to transfer the material upward, and motor 1 5 controls the rotation of the rotating frame 4, so that the material guide screw 11 transfers the mixed material above the permeable disk 1 2 to the concave box 3. At the same time, the spraying assembly 15 is activated to guide the liquid at the bottom of the tank body 1 to the top and spray it until the material is transferred to the permeable disk 2 9.

[0048] S6: Repeat S3 to S5 to continuously carry out aerobic composting mixing and composting reaction.

[0049] The above description is only a preferred specific embodiment of the invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A distributed aerobic composting mixing device, comprising a tank (1), characterized in that: A permeable disc (2) is fixed at the bottom of the tank cavity of the tank body (1), a concave box (3) is installed at the center of the lower end surface of the permeable disc (2), a flow hole (31) is provided at the lower end of the concave box (3), a rotating frame (4) is rotatably installed in the center of the concave box (3), a guide cylinder (42) is fixed at the upper end of the rotating frame (4), and a through-port (41) is provided on the rotating frame (4), a discharge pipe (18) and a motor (5) are respectively installed at the lower end of the tank body (1), the motor (5) is connected to the rotating frame (4), and a feed port (19), an oxygen supply pipe (17) and a motor (7) are respectively installed at the upper end of the tank body (1), and the motor (7) is connected to a guide screw blade (41) that passes through the guide cylinder (42). 6), a dispersion disc frame (20) is installed on the upper end of the guide screw blade (6), and an annular shell cover (10) and a crushing fan blade (14) are respectively installed on the outer wall of the lower end of the guide cylinder (42). A guide screw (11) is rotatably installed on the side wall of the annular shell cover (10), and a lifting component (8) is installed on the side wall of the tank body (1). A flow disc 2 (9) sleeved on the outer side of the guide cylinder (42) is installed on the lifting component (8). The tank body (1) is also provided with a spraying component (15) and a circulation component (16). The spraying component (15) is used to guide the liquid at the bottom of the tank body (1) to the top for spraying, and the circulation component (16) is used to guide the gas at the top of the tank body (1) to the bottom.

2. A distributed aerobic composting mixing device according to claim 1, characterized in that: The lower end of the annular housing (10) is provided with a gear ring (13), which is connected to the upper end of the concave box (3) through a support plate (12), and a gear (111) meshing with the gear ring (13) is installed on the guide screw (11).

3. A distributed aerobic composting mixing device according to claim 2, characterized in that: The material guide screw (11) comprises a shaft (112), one end of the shaft (112) close to the annular cover (10) is coaxially fixed with the gear (111), and the outer wall of the shaft (112) is provided with a stirring rod (113) with a spiral track.

4. A distributed aerobic composting mixing device according to claim 3, characterized in that: A brush strip (114) is installed at the outer end of the stirring rod (113).

5. A distributed aerobic composting mixing device according to claim 1, characterized in that: The dispersion disc frame (20) includes a top disc (201) fixed coaxially with the material guide screw blade (6), the lower end of the top disc (201) is connected to a bottom disc (203) via a connecting rod (202), the bottom disc (203) is located at the upper end of the guide cylinder (42), the outlet of the feed port (19) is located above the upper disc surface of the top disc (201), and the upper disc surface of the bottom disc (203) is distributed with guide strips (204).

6. A distributed aerobic composting mixing device according to claim 1, characterized in that: The lifting assembly (8) comprises a third motor (81) mounted on the tank body (1), a screw (82) mounted on the lower end of the third motor (81), a screw sleeve (83) mounted on the screw (82), a rotating ring (84) mounted on the screw sleeve (83), a second flow disc (9) rotatably mounted on the rotating ring (84), and an upper disc surface of the second flow disc (9) is provided with an inverted conical groove surface.

7. The distributed aerobic composting mixing device according to claim 1, characterized in that: The wall of the guide cylinder (42) is also provided with a convex strip (421) for axial limiting, and the second flow disc (9) is slidably connected to the convex strip (421).

8. The distributed aerobic composting mixing device according to claim 1, characterized in that: The spray assembly (15) comprises a conduit (151), a pump body (152) is mounted on the conduit (151), the lower end of the conduit (151) is connected to the bottom of the tank cavity of the tank body (1), the upper end of the conduit (151) is connected to a manifold (153), and the manifold (153) is connected to a plurality of spray heads (154) located at the top of the tank cavity of the tank body (1).

9. The distributed aerobic composting mixing device according to claim 1, characterized in that: The circulation assembly (16) includes a second conduit (161), a second pump body (162) is installed on the second conduit (161), the lower end of the second conduit (161) is connected to the bottom of the tank cavity of the tank body (1), the second conduit (161) is connected to the top of the tank cavity of the tank body (1), and the pipe mouth of the second conduit (161) is also provided with a filter tube (163).

10. The distributed aerobic composting mixing device according to claim 1, characterized in that: The side wall of the tank body (1) is provided with a heat-insulating enclosure (21), and a temperature control tube (211) is installed in the heat-insulating enclosure (21).

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