Automatic heating and cooling helical ribbon mixer

Abstract

The utility model provides an automatic heating and cooling helical ribbon mixer which comprises a helical ribbon mixing barrel horizontally mounted on a rack, and a stirring main shaft penetrates through the interior of the helical ribbon mixing barrel; the speed reducer motor is installed on the rack and located on the side face of the helical ribbon mixing barrel, one end of the stirring spindle is connected with the speed reducer motor, and the other end of the stirring spindle is installed through a bearing; the helical ribbon mixing barrel is sleeved with a temperature adjusting shell, an oil inlet pipe connected with one end of the temperature adjusting shell is connected with the oil heating unit and the condensing unit, and an oil return opening in the other end of the temperature adjusting shell is connected with the oil heating unit through an oil return pipe; a switch between the oil heating unit and the condensing unit is controlled through a tee joint and a pneumatic ball valve. The temperature adjusting shell is installed outside the helical ribbon mixing barrel, materials in the helical ribbon mixing barrel are evenly heated through the oil heating unit, the cooling effect on heat conduction oil is achieved in cooperation with the condensation unit, the whole materials can be cooled easily, and the situation that local temperature changes suddenly, so that the property and the structure of the materials are damaged is avoided; the mixing effect of the mixer is favorably improved.

Description

Technical Field

[0001] The utility model relates to the field of spiral ribbon mixers, in particular to the technical field of heating and cooling spiral ribbon mixers, and specifically relates to an automatic heating and cooling spiral ribbon mixer. Background Art

[0002] Due to its horizontal installation structure and the cross combination of its internal spiral stirring blades, the ribbon mixer transports the material from the center to both sides to form convection mixing; thus, the ribbon mixer has a good effect on mixing viscous or cohesive powders and particles and adding liquids and paste materials to powders and particles.

[0003] Due to the different properties of different materials, the mixing effect and temperature during the mixing process need to be adapted. However, during the use of existing conventional ribbon mixers, there is a lack of a system that can maintain a stable constant temperature and the reaction speed cannot be controlled, which easily leads to product quality problems caused by too fast or too slow reaction. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide an automatic heating and cooling ribbon mixer to solve the difficulties of the prior art.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides an automatic heating and cooling ribbon mixer, comprising:

[0006] A spiral ribbon mixing cylinder 3, wherein the spiral ribbon mixing cylinder 3 is horizontally mounted on the frame 1, and a rotating stirring main shaft 6 passes through the interior;

[0007] A reducer motor 2, wherein the reducer motor 2 is mounted on the frame 1 and is located on the side of the ribbon mixing cylinder 3, one end of the stirring main shaft 6 is connected to the reducer motor 2, and the other end is mounted through a bearing 5;

[0008] Thermostatic shell: The outer portion of the spiral ribbon mixing cylinder 3 is provided with a thermostatic shell, the oil inlet pipe 9 connected to one end of the thermostatic shell is respectively connected to the oil heating unit and the condensing unit, and the oil return port 11 at the other end of the thermostatic shell is connected to the oil heating unit through the oil return pipe 12;

[0009] The oil heating unit and the condensing unit are switched via a three-way connection 16 and a pneumatic ball valve.

[0010] According to the preferred solution, the spiral ribbon mixing cylinder 3 at both ends of the stirring main shaft 6 directly adopts the packing sealing structure 4.

[0011] According to a preferred embodiment, the temperature regulating shell includes a heat transfer oil layer 7 and a heat insulation layer 8 which are sequentially sleeved on the outside of the spiral ribbon mixing cylinder 3 , and an oil drain port 23 is installed at the bottom of the heat transfer oil layer 7 .

[0012] According to a preferred embodiment, the oil heating unit comprises:

[0013] A hot oil pump 19, wherein the oil outlet of the hot oil pump 19 is connected to the bottom oil inlet of the heat transfer oil layer 7 through the oil inlet pipeline 17 and the oil inlet pipe 9;

[0014] A heating oil barrel 13, which is arranged on one side of the spiral ribbon mixing cylinder 3, and the bottom oil outlet is connected to the inlet of the hot oil pump 19. The heating oil barrel 13 is surrounded by electric heating pipes 14 to heat the oil in the barrel;

[0015] The oil return pipe 12 is arranged at the top of the heating oil drum 13 and the spiral ribbon mixing cylinder 3, one end of which is connected to the top oil inlet of the heating oil drum 13, and the other end of which is connected to the oil return port 11 at the top of the heat transfer oil layer 7.

[0016] According to a preferred solution, the oil return ports 11 are symmetrically arranged on both sides of the thermal oil layer 7 .

[0017] According to a preferred embodiment, the condensing unit adopts a condenser 20 , the liquid inlet end of the condenser 20 is connected to the liquid inlet of the hot oil pump 19 , and the liquid outlet end is connected to the bottom oil inlet of the heat transfer oil layer 7 through the oil inlet pipe 9 .

[0018] According to a preferred solution, the condensing unit and the bottom liquid inlet height of the heat transfer oil layer 7 are consistent.

[0019] According to the preferred embodiment, an oil inlet pipe 17 is connected in parallel between the liquid inlet pipe of the hot oil pump 19 and the oil inlet pipe 9, and a tee 16 is installed between the liquid inlet of the oil inlet pipe 17 and the liquid inlet pipe of the hot oil pump 19;

[0020] Correspondingly, a No. 1 pneumatic ball valve 15 is installed on the oil inlet pipeline 17 , and a No. 2 pneumatic ball valve 18 is installed on the liquid inlet end of the condenser 20 .

[0021] According to a preferred embodiment, a double-layered spiral ribbon structure is adopted in the spiral ribbon mixing cylinder 3 .

[0022] According to the preferred embodiment, the bottom discharge port of the ribbon mixing cylinder 3 adopts a pneumatic gate valve 10 .

[0023] According to a preferred embodiment, a feed port 21 and a vent 22 are also provided on the top of the ribbon mixing cylinder 3 .

[0024] The utility model installs a temperature regulating shell outside the spiral ribbon mixing cylinder, utilizes the oil heating unit to realize the uniform heating of the material in the spiral ribbon mixing cylinder, cooperates with the condensing unit to achieve the cooling effect of the heat transfer oil, is beneficial to cooling the entire material, avoids sudden changes in local temperature and thus destroys the material property structure, and is beneficial to improving the mixing effect of the mixer, specifically, including the following points:

[0025] (1) Heating and cooling the mixed materials is beneficial to widely improve the mixing process applicable to the mixer;

[0026] (2) The heat transfer oil circulates through the hot oil pump, heating the material more evenly, and the local temperature will not be too high, thereby destroying the material's properties and structure;

[0027] (3) It is convenient to switch the heating and condensing units. After the material is heated, it can be quickly cooled;

[0028] (4) An independent condenser is used to facilitate cleaning of oil stains, oil residues, and maintenance.

[0029] The best embodiment of the present invention will be described in more detail below in conjunction with the accompanying drawings so that the features and advantages of the present invention can be easily understood. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 The display is a front view of the utility model;

[0031] Figure 2 Shown is a left side view of the utility model;

[0032] Description of symbols

[0033] 1. Frame; 2. Speed ​​reducer motor; 3. Ribbon mixing cylinder; 4. Packing seal structure; 5. Bearing; 6. Stirring spindle; 7. Thermal oil layer; 8. Insulation layer; 9. Oil inlet pipe; 10. Pneumatic gate valve; 11. Oil return port; 12. Oil return pipe;

[0034] 13. Heating oil drum; 14. Electric heating tube; 15. No. 1 pneumatic ball valve; 16. Tee; 17. Oil inlet pipeline; 18. No. 2 pneumatic ball valve; 19. Hot oil pump; 20. Condenser; 21. Feeding port; 22. Ventilation port; 23. Oil drain port. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the technical solution of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described in conjunction with the drawings of the specific embodiments of the utility model. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Compared with the embodiments shown in the drawings, feasible implementations within the scope of protection of the present invention may have fewer components, other components not shown in the drawings, different components, differently arranged components, or differently connected components, etc. In addition, two or more components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0037] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the specification and claims of the utility model patent application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not necessarily indicate quantity restrictions. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0038] The utility model provides an automatic heating and cooling ribbon mixer, which is used in the process of mixing powders with powders or powders with slurry. The utility model does not limit the type of materials, but the structure of the automatic heating and cooling ribbon mixer is particularly suitable for mixing viscous or cohesive powders and particles and adding liquids and pasty materials to powders and particles.

[0039] In general, the automatic heating and cooling ribbon mixer proposed in the present invention mainly includes a ribbon mixing cylinder 3, a reducer motor 2, a temperature control shell, an oil heating unit and a condensing unit. Figure 1 , which shows the arrangement relationship of the spiral ribbon mixing cylinder 3, the reducer motor 2, the temperature control shell, the oil heating unit and the condensing unit.

[0040] In order to achieve the purpose of uniform heating and cooling of the mixed materials, the problem in the background technology that due to the different properties of different materials, the mixing effect and the temperature need to be adapted during the mixing process, while the existing conventional screw mixer lacks a system that can stabilize the constant temperature during use, and the reaction speed cannot be controlled, which is prone to product quality problems caused by too fast or too slow reaction, for this reason, in the technical solution provided in this embodiment, a temperature regulating shell is installed outside the screw ribbon mixing cylinder 3, and an oil heating unit is used to achieve uniform heating of the material in the screw ribbon mixing cylinder 3, and the condensing unit is coordinated to achieve the cooling effect of the heat transfer oil, which is beneficial to cooling the entire material, avoiding sudden changes in local temperature and thus destroying the material property structure, which is beneficial to improving the mixing effect of the mixer.

[0041] Specifically, Figure 1 As shown, the spiral ribbon mixing cylinder 3 is horizontally installed on the frame 1, and a feeding port 21 and a vent 22 are also provided on the top. The bottom discharge port adopts a pneumatic gate valve 10, and a rotating stirring shaft 6 passes through the inside. In order to effectively improve the mixing effect of the spiral ribbon mixer, a double-layer spiral ribbon structure is installed on the stirring shaft 6 in the spiral ribbon mixing cylinder 3. The spiral ribbon mixing cylinder 3 at both ends of the stirring shaft 6 directly adopts a packing sealing structure 4. One end of the stirring shaft 6 is connected to a reducer motor 2 installed on the frame 1 and located on the side of the spiral ribbon mixing cylinder 3, and the other end is installed through a bearing 5.

[0042] As mentioned above, the spiral ribbon mixing cylinder 3 provided in the present embodiment can realize uniform heating and cooling of the material. In order to avoid the situation where the local temperature is too high or too low so as to destroy the material property structure, the outer part of the spiral ribbon mixing cylinder 3 is provided with a temperature regulating shell, and the two sides of the temperature regulating shell are symmetrically arranged on the outer side of the spiral ribbon mixing cylinder 3. In order to further improve the temperature continuity effect after temperature adjustment and avoid contact with the outside world to affect the heating or cooling effect, the temperature regulating shell includes a heat transfer oil layer 7 and a thermal insulation layer 8 which are sequentially sleeved on the outer side of the spiral ribbon mixing cylinder 3.

[0043] It should be specifically explained that an oil heating unit is provided in this embodiment to achieve uniform heating of the material, wherein the oil heating unit adopts a heating oil barrel 13 with oil heated by electric heating pipes 14 on all sides, the bottom oil outlet of the heating oil barrel 13 is connected to the inlet of the hot oil pump 19, and the oil outlet of the hot oil pump 19 is connected to the bottom oil inlet of the heat-conducting oil layer 7 through the oil inlet pipe 17 and the oil inlet pipe 9. When the heat-conducting oil enters the heat-conducting oil layer 7, the oil is discharged from the top of the heat-conducting oil layer 7, wherein the oil return port 11 is symmetrically arranged on both sides of the heat-conducting oil layer 7, which can ensure that the heat-conducting oil is heated. Or during the cooling process, it refluxes evenly from both sides to prevent uneven temperature distribution caused by too fast or too slow oil return on one side, thereby improving the heat conduction efficiency and stability of the entire system, and then the heat transfer oil returns to the heating oil barrel 13, wherein the return oil pipe 12 is arranged at the top of the heating oil barrel 13 and the spiral mixing cylinder 3, one end is connected to the top oil inlet of the heating oil barrel 13, and the other end is connected to the return oil port 11 at the top of the heat transfer oil layer 7; whether it is heating or cooling, after the process is completed, the cooled oil is discharged, filtered and cleaned from the oil drain port 23 installed at the bottom of the heat transfer oil layer 7.

[0044] On this basis, the condensing unit in this embodiment adopts a condenser 20. When in use, the liquid inlet end of the condenser 20 is connected to the liquid inlet of the hot oil pump 19, and the liquid outlet end is connected to the bottom oil inlet of the heat transfer oil layer 7 through the oil inlet pipe 9. After the condenser cools the heat transfer oil, it enters the heat transfer oil layer 7 to achieve the effect of cooling the entire material. The condensing unit is consistent with the liquid inlet height at the bottom of the heat transfer oil layer 7, which reduces unnecessary energy loss, helps to reduce overall energy consumption, and improves the heat exchange efficiency of the system. Moreover, the condensing unit adopts an independent condenser, which is convenient for cleaning oil stains, oil residues, maintenance, etc.

[0045] Taking into account that the materials mixed in the spiral ribbon mixing cylinder 3 need to be heated or cooled in different processes, in order to avoid the complexity of the oil circuit, it is convenient to quickly switch the heating unit and the cooling unit after the materials complete the heating process. To this end, the oil heating unit and the condensing unit are controlled by a tee 16 and a pneumatic ball valve. Specifically, an oil inlet pipe 17 is connected in parallel between the liquid inlet pipe of the hot oil pump 19 and the oil inlet pipe 9, and a tee 16 is installed between the liquid inlet of the oil inlet pipe 17 for heating the hot oil and the liquid inlet pipe of the hot oil pump 19. When the heated heat-conducting oil needs to be introduced into the heat-conducting oil layer 7, the No. 1 pneumatic ball valve 15 installed on the oil inlet pipe 17 is started, and the No. 2 pneumatic ball valve 18 located at the liquid inlet end of the condenser 20 is closed to heat the materials. Conversely, when the cooled oil needs to be introduced into the heat-conducting oil layer 7, the No. 1 pneumatic ball valve 15 installed on the oil inlet pipe 17 is closed, and the No. 2 pneumatic ball valve 18 located at the liquid inlet end of the condenser 20 is started to cool the materials.

[0046] The working principle in this embodiment is as follows:

[0047] 1. Add materials from the feeding port 21, start the reducer motor 2, and the materials begin to mix;

[0048] 2. Open the electric heating tube 14 to start heating the heat transfer oil, start the hot oil pump 19, close the pneumatic ball valve 18, and the heat transfer oil enters the heat transfer oil layer 7, and then passes through the return oil pipe 12, and the heat transfer oil returns to the heating oil barrel 13;

[0049] 3. After the materials are heated and mixed, close the pneumatic ball valve 15, open the pneumatic ball valve 18, and the heat transfer oil passes through the condenser 20. After the condenser cools the heat transfer oil, it enters the heat transfer oil layer to cool the entire material;

[0050] 4. After the material temperature drops to a suitable temperature, open the pneumatic gate valve 10 to discharge the material.

[0051] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. An automatic heating and cooling ribbon mixer, characterized in that: include: A spiral ribbon mixing cylinder (3), wherein the spiral ribbon mixing cylinder (3) is horizontally mounted on the frame (1) and a rotating stirring main shaft (6) passes through the interior; A reducer motor (2), wherein the reducer motor (2) is mounted on the frame (1) and is located on the side of the ribbon mixing cylinder (3); one end of the stirring main shaft (6) is connected to the reducer motor (2), and the other end is mounted via a bearing (5); A temperature regulating shell, wherein the outer portion of the spiral ribbon mixing cylinder (3) is provided with a temperature regulating shell, an oil inlet pipe (9) connected to one end of the temperature regulating shell is respectively connected to the oil heating unit and the condensing unit, and an oil return port (11) at the other end of the temperature regulating shell is connected to the oil heating unit via an oil return pipe (12); The oil heating unit and the condensing unit are switched via a three-way (16) and a pneumatic ball valve.

2. The automatic heating and cooling ribbon mixer according to claim 1, characterized in that: The temperature regulating shell comprises a heat-conducting oil layer (7) and a heat-insulating layer (8) which are sequentially sleeved on the outside of the spiral ribbon mixing cylinder (3), and an oil drain port (23) is installed at the bottom of the heat-conducting oil layer (7).

3. The automatic heating and cooling ribbon mixer according to claim 2, characterized in that: The oil heating unit comprises: A hot oil pump (19), wherein the oil outlet of the hot oil pump (19) is connected to the bottom oil inlet of the heat-conducting oil layer (7) through an oil inlet pipeline (17) and an oil inlet pipe (9); A heating oil barrel (13), the heating oil barrel (13) is arranged on one side of the spiral ribbon mixing cylinder (3), the oil outlet at the bottom is connected to the inlet of the hot oil pump (19), and electric heating pipes (14) are used around the heating oil barrel (13) to heat the oil in the barrel; An oil return pipe (12) is arranged at the top of the heating oil drum (13) and the spiral ribbon mixing cylinder (3), one end of which is connected to the top oil inlet of the heating oil drum (13), and the other end of which is connected to the oil return port (11) at the top of the heat transfer oil layer (7).

4. The automatic heating and cooling ribbon mixer according to claim 3, characterized in that: The condensing unit adopts a condenser (20), the liquid inlet end of the condenser (20) is connected to the liquid inlet of the hot oil pump (19), and the liquid outlet end is connected to the bottom oil inlet of the heat transfer oil layer (7) through an oil inlet pipe (9).

5. The automatic heating and cooling ribbon mixer according to claim 4, characterized in that: An oil inlet pipeline (17) is also connected in parallel between the liquid inlet pipe of the hot oil pump (19) and the oil inlet pipe (9), and a tee (16) is installed between the liquid inlet of the oil inlet pipeline (17) and the liquid inlet pipe of the hot oil pump (19); Correspondingly, a No. 1 pneumatic ball valve (15) is installed on the oil inlet pipeline (17), and a No. 2 pneumatic ball valve (18) is installed on the liquid inlet end of the condenser (20).

6. The automatic heating and cooling ribbon mixer according to claim 5, characterized in that: The spiral ribbon mixing cylinder (3) adopts a double-layer spiral ribbon structure.

7. The automatic heating and cooling ribbon mixer according to claim 6, characterized in that: The bottom discharge port of the ribbon mixing cylinder (3) adopts a pneumatic gate valve (10).

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