Constant temperature device for missible oil experiment

Abstract

The utility model relates to a thermostat for missible oil experiments, which comprises a heating tank, a stirring shaft, a stirring motor, a feed pipe, a discharge pipe, a temperature sensor, a heating jacket, a steam inlet pipe, a steam outlet pipe and a stirring rod, a plurality of suction holes are arranged at the bottom of the stirring rod, a rotary joint communicated with the suction holes is arranged at the bottom of the stirring shaft, and the rotary joint is connected with a circulating pipe. A circulating pump is arranged on the circulating pipe, a distribution ring pipe is fixed to the lower portion of the heating tank, spraying holes facing the inner wall of the conical bottom of the heating tank are formed in the inner side wall of the distribution ring pipe, and the other end of the circulating pipe is connected with the distribution ring pipe. The stirring shaft and the stirring rod are arranged in the heating tank, the suction holes are formed in the stirring rod, then missible oil at multiple layers in the heating tank is pumped into the distribution ring pipe on the lower portion through the rotary joint, the circulating pipe and the circulating pump, and then the missible oil is sprayed out towards the inner wall of the bottom of the heating tank from the spraying holes. Precipitation at the bottom of the heating tank is better prevented, and the stirring and mixing effects are better.

Description

Technical Field

[0001] The utility model relates to a constant temperature device for emulsifiable oil experiments, belonging to the technical field of experimental equipment. Background Art

[0002] EC is a liquid made by dissolving a high concentration of active ingredients in a solvent and adding an emulsifier. In EC experiments, the high concentration of oil and water need to be stirred and heated in a constant temperature test chamber, and the emulsifier is added during the stirring and heating. However, the current experimental device only has an agitator in the test chamber, which results in poor stirring effect and is prone to precipitation at the bottom of the test chamber, affecting subsequent experiments. Utility Model Content

[0003] The utility model provides a constant temperature device for emulsifiable concentrate experiments, which solves the problem that the current experimental device only arranges a stirrer in an experimental box, resulting in poor stirring effect and easy precipitation at the bottom of the experimental box, thus affecting subsequent experiments.

[0004] The utility model relates to a constant temperature device for emulsion oil experiments, comprising a heating tank, a stirring shaft is arranged in the heating tank, the stirring shaft is connected with a stirring motor, a feeding pipe is arranged at the top of the heating tank, a discharging pipe is arranged at the bottom of the heating tank, a temperature sensor is arranged in the heating tank, a heating jacket is arranged outside the heating tank, a steam inlet pipe with a flow control valve is arranged at the bottom of the heating jacket, a steam outlet pipe with a flow control valve is arranged at the upper part of the heating jacket, a stirring rod is fixed on the stirring shaft, a plurality of suction holes are arranged at the bottom of the stirring rod, a rotating joint connected with the suction holes is arranged at the bottom of the stirring shaft, a circulation pipe is connected with the rotating joint, a circulation pump is arranged on the circulation pipe, a distribution ring pipe is fixed at the lower part of the heating tank, an inner side wall of the distribution ring pipe is provided with a spray hole facing the inner wall of the conical bottom of the heating tank, and the other end of the circulation pipe is connected with the distribution ring pipe.

[0005] As a preferred embodiment, a cover plate is provided on the top of the heating tank, a connecting flange is provided on the outer side of the top of the heating tank, the connecting flange is fixed to the heating tank by connecting bolts, and a feed pipe is arranged on the cover plate, so as to facilitate the removal of the cover plate for maintenance.

[0006] As a preferred embodiment, a sealing ring is provided between the connecting flange and the cover plate to achieve a better sealing effect.

[0007] As a preferred embodiment, a guide tube is fixed to the inner end of the steam outlet pipe, and the inner end of the guide tube is provided with a bend toward the upper part. The inner end of the guide tube extends into the top position of the heating jacket, which can better exhaust the steam in the heating jacket and prevent the steam at the top of the heating jacket from not being discharged for a long time, thereby affecting the heating effect of the top.

[0008] As a preferred embodiment, the heating sleeve includes a lower heating sleeve and an upper heating sleeve, the steam outlet pipe is arranged at the upper position of the lower heating sleeve, the lower heating sleeve is welded and fixed to the bottom outer wall of the heating tank, the top of the upper heating sleeve is welded and fixed to the upper outer wall of the heating tank, the lower heating sleeve and the upper heating sleeve are welded and fixed, and have a split structure, which is convenient for manufacturing and installation.

[0009] As a preferred embodiment, a welding gap is provided at the connection between the lower heating sleeve and the upper heating sleeve, a reinforcement ring plate is provided on the inner side of the welding gap, the reinforcement ring plate is welded and fixed on the inner walls of the lower heating sleeve and the upper heating sleeve, a welding layer is provided at the welding gap, and the connection between the lower heating sleeve and the upper heating sleeve is more stable.

[0010] As a preferred embodiment, an upper welding cone surface and a lower welding cone surface are provided at the welding gap, and a welding ring groove is provided at the position corresponding to the welding gap of the reinforcement ring plate, the top of the welding ring groove is above the inner end of the upper welding cone surface, and the bottom of the welding ring groove is below the inner end of the lower welding cone surface, so that the connection between the heating lower sleeve and the heating upper sleeve is more stable.

[0011] The utility model has the following beneficial effects:

[0012] By arranging a stirring shaft and a stirring rod in the heating tank, and arranging a plurality of suction holes on the stirring rod, the emulsified oil in the multiple layers in the heating tank is pumped into the lower distribution ring pipe through a rotary joint, a circulation pipe and a circulation pump, and then sprayed toward the bottom inner wall of the heating tank from the spray hole, so as to better prevent the bottom of the heating tank from settling and achieve a better stirring and mixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 Schematic diagram of some structures;

[0015] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0016] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0017] In the figure: 1. stirring motor, 2. cover plate, 3. stirring shaft, 4. heating tank, 5. heating upper sleeve, 6. heating lower sleeve, 7. stirring rod, 8. suction hole, 9. rotary joint, 10. circulation pipe, 11. circulation pump, 12. distribution ring pipe, 13. discharge pipe, 14. steam inlet pipe, 15. guide pipe, 16. steam outlet pipe, 17. feed pipe, 18. welding layer, 19. reinforcement ring plate, 20. welding ring groove, 21. lower welding cone surface, 22. spray hole. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with embodiments.

[0019] Embodiment 1, as Figures 1 to 4 As shown, the utility model is a constant temperature device for emulsifiable oil experiments, comprising a heating tank 4, a stirring shaft 3 is arranged in the heating tank 4, the stirring shaft 3 is connected to a stirring motor 1, a feeding pipe 17 is arranged on the top of the heating tank 4, a discharging pipe 13 is arranged on the bottom of the heating tank 4, a temperature sensor is arranged in the heating tank 4, a heating jacket is arranged outside the heating tank 4, a steam inlet pipe 14 with a flow control valve is arranged at the bottom of the heating jacket, a steam outlet pipe 16 with a flow control valve is arranged on the upper part of the heating jacket, a stirring rod 7 is fixed on the stirring shaft 3, a plurality of suction holes 8 are arranged at the bottom of the stirring rod 7, a rotary joint 9 connected to the suction holes 8 is arranged at the bottom of the stirring shaft 3, a circulation pipe 10 is connected to the rotary joint 9, a circulation pump 11 is arranged on the circulation pipe 10, a distribution ring pipe 12 is fixed at the lower part of the heating tank 4, a spray hole 22 facing the inner wall of the conical bottom of the heating tank 4 is arranged on the inner side wall of the distribution ring pipe 12, and the other end of the circulation pipe 10 is connected to the distribution ring pipe 12.

[0020] When in use, the stirring motor 1 drives the stirring shaft 3 to rotate, the steam inlet pipe 14 enters the heating steam, the steam outlet pipe 16 discharges the heating steam, the material enters from the feed pipe 17, and the material enters the heating tank 4 to stir the material through the rotating stirring rod 7 to accelerate the mixing and emulsification of the material, and the circulating pump 11 sucks the liquid at the suction hole 8, and then transports it into the distribution ring pipe 12, and then sprays it from the spray hole 22 to impact the bottom inner wall of the heating tank 4 to prevent precipitation and accelerate mixing. When the temperature sensor in the heating tank 4 detects that the temperature is too high, the flow control valve on the steam outlet pipe 16 can be increased, and the flow control valve on the steam inlet pipe 14 can be decreased to reduce the temperature in the heating tank 4. When the temperature sensor in the heating tank 4 detects that the temperature is too low, the flow control valve on the steam outlet pipe 16 can be decreased, and the flow control valve on the steam inlet pipe 14 can be increased to increase the temperature in the heating tank 4, so that the temperature of the heating tank 4 is kept within a constant range to achieve constant temperature heating.

[0021] Example 2, based on Example 1, a cover plate 2 is provided on the top of the heating tank 4, a connecting flange is provided on the outer side of the top of the heating tank 4, the connecting flange is fixed to the heating tank 4 by connecting bolts, and a feed pipe 17 is arranged on the cover plate 2.

[0022] A sealing ring is provided between the connecting flange and the cover plate 2 .

[0023] A guide pipe 15 is fixed to the inner end of the steam outlet pipe 16, and the inner end of the guide pipe 15 is provided with a bend toward the upper part, and the inner end of the guide pipe 15 extends into the top position of the heating jacket. The temperature sensor is connected to a PLC controller, and the PLC controller is connected to the electric flow control valve on the steam inlet pipe 14 and the steam outlet pipe 16.

[0024] The heating sleeve includes a heating lower sleeve 6 and a heating upper sleeve 5. The steam outlet pipe 16 is arranged at the upper position of the heating lower sleeve 6. The heating lower sleeve 6 is welded and fixed to the bottom outer wall of the heating tank 4. The top of the heating upper sleeve 5 is welded and fixed to the upper outer wall of the heating tank 4. The heating lower sleeve 6 and the heating upper sleeve 5 are welded and fixed.

[0025] A welding gap is provided at the connection between the heating lower sleeve 6 and the heating upper sleeve 5, a reinforcing ring plate 19 is provided inside the welding gap, the reinforcing ring plate 19 is welded and fixed on the inner walls of the heating lower sleeve 6 and the heating upper sleeve 5, and a welding layer 18 is provided at the welding gap.

[0026] An upper welding cone and a lower welding cone 21 are provided at the welding gap, and a welding annular groove 20 is provided at the corresponding position of the reinforcement ring plate 19 and the welding gap, the top of the welding annular groove 20 is above the inner end of the upper welding cone, and the bottom of the welding annular groove 20 is below the inner end of the lower welding cone 21. The welding gap is about 2 mm, and the angle between the upper welding cone and the lower welding cone 21 and the horizontal line is 60 degrees.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0028] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A constant temperature device for emulsifiable concentrate experiments, comprising a heating tank (4), a stirring shaft (3) provided in the heating tank (4), a stirring motor (1) connected to the stirring shaft (3), a feed pipe (17) provided at the top of the heating tank (4), a discharge pipe (13) provided at the bottom of the heating tank (4), a temperature sensor provided in the heating tank (4), characterized in that: A heating jacket is provided on the outside of the heating tank (4), a steam inlet pipe (14) with a flow control valve is provided at the bottom of the heating jacket, a steam outlet pipe (16) with a flow control valve is provided at the top of the heating jacket, a stirring rod (7) is fixed on the stirring shaft (3), a plurality of suction holes (8) are provided at the bottom of the stirring rod (7), a rotating joint (9) connected to the suction holes (8) is provided at the bottom of the stirring shaft (3), a circulation pipe (10) is connected to the rotating joint (9), a circulation pump (11) is provided on the circulation pipe (10), a distribution ring pipe (12) is fixed at the bottom of the heating tank (4), a spray hole (22) facing the inner wall of the conical bottom of the heating tank (4) is provided on the inner side wall of the distribution ring pipe (12), and the other end of the circulation pipe (10) is connected to the distribution ring pipe (12).

2. A constant temperature device for emulsifiable concentrate experiments according to claim 1, characterized in that: A cover plate (2) is provided on the top of the heating tank (4), a connecting flange is provided on the outer side of the top of the heating tank (4), the connecting flange is fixed to the heating tank (4) by connecting bolts, and a feed pipe (17) is arranged on the cover plate (2).

3. A constant temperature device for emulsifiable concentrate experiments according to claim 2, characterized in that: A sealing ring is provided between the connecting flange and the cover plate (2).

4. A constant temperature device for emulsifiable concentrate experiments according to claim 1, characterized in that: A flow guide pipe (15) is fixed to the inner end of the steam outlet pipe (16); the inner end of the flow guide pipe (15) is provided with a bend toward the upper portion; the inner end of the flow guide pipe (15) extends into the top position of the heating jacket.

5. A constant temperature device for emulsifiable concentrate experiments according to claim 4, characterized in that: The heating sleeve comprises a lower heating sleeve (6) and an upper heating sleeve (5); the steam outlet pipe (16) is arranged at an upper position of the lower heating sleeve (6); the lower heating sleeve (6) is welded and fixed to the bottom outer wall of the heating tank (4); the top of the upper heating sleeve (5) is welded and fixed to the upper outer wall of the heating tank (4); and the lower heating sleeve (6) and the upper heating sleeve (5) are welded and fixed.

6. A constant temperature device for emulsifiable concentrate experiments according to claim 5, characterized in that: A welding gap is provided at the connection between the lower heating sleeve (6) and the upper heating sleeve (5), a reinforcing ring plate (19) is provided on the inner side of the welding gap, the reinforcing ring plate (19) is welded and fixed on the inner walls of the lower heating sleeve (6) and the upper heating sleeve (5), and a welding layer (18) is provided at the welding gap.

7. A constant temperature device for emulsifiable concentrate experiments according to claim 6, characterized in that: An upper welding cone surface and a lower welding cone surface (21) are provided at the welding gap, and a welding annular groove (20) is provided at a position corresponding to the welding gap on the reinforcing ring plate (19), wherein the top of the welding annular groove (20) is located above the inner end of the upper welding cone surface, and the bottom of the welding annular groove (20) is located below the inner end of the lower welding cone surface (21).

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