Temperature control system for wet type granulator

Abstract

The utility model relates to a temperature control system for a wet granulator, which comprises a material cylinder, a hot water tank, a cold water tank, a water inlet pipeline, a water outlet pipeline, a control module and a cold and hot water inlet switching valve, the material cylinder is provided with a jacket, the jacket divides the interior of the material cylinder into a granulating cavity and a jacket cavity, the jacket cavity is provided with a first liquid inlet and a first liquid outlet, and the first liquid inlet is communicated with the jacket cavity. One end of the water inlet pipeline is connected with the first liquid inlet, and the other end of the water inlet pipeline is communicated with a hot water outlet of the hot water tank and a cold water outlet of the cold water tank in a switching manner through a cold and hot water inlet switching valve. According to the structure, real-time detection of the temperatures of the cold and hot water tank, the jacket cavity and the granulation cavity is realized, and the material temperature is accurately regulated and controlled by controlling the cold and hot water inlet switching valve to switch the connection and disconnection between the water inlet pipeline and the hot water outlet of the hot water tank and between the water inlet pipeline and the cold water outlet of the cold water tank through feedback regulation of the control module according to the relative relation of the three.

Description

Technical Field

[0001] The utility model relates to the technical field of granulation, in particular to a temperature control system for a wet granulator. Background Art

[0002] Wet granulators are used to convert powders into granules, primarily in the pharmaceutical, food, feed, and ceramic industries. Demand for wet granulators for hot-melt granulation and drying temperature-sensitive materials is increasing year by year. However, existing wet granulators only capture limited temperature information, making them incapable of accurately detecting and controlling material temperature. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a temperature control system for a wet granulator.

[0004] The technical solution adopted by the utility model is as follows: A temperature control system for a wet granulator, including a material cylinder, a hot water tank, a cold water tank, a water inlet pipe, a water outlet pipe, a control module, and also includes a hot and cold water inlet switching valve,

[0005] The material cylinder is provided with a jacket, and the jacket divides the interior of the material cylinder into a granulation chamber and a jacket chamber, and the jacket chamber has a first liquid inlet and a first liquid outlet.

[0006] One end of the water inlet pipe is connected to the first liquid inlet, and the other end is switched to the hot water outlet of the hot water tank and the cold water outlet of the cold water tank through the hot and cold water inlet switching valve.

[0007] It also includes a material temperature detector for detecting the temperature in the granulation chamber and a jacket liquid temperature detector for detecting the temperature in the granulation chamber.

[0008] The control module is electrically connected to the material temperature detector, jacket liquid temperature detector, hot water tank temperature detector, cold water tank temperature detector, and hot and cold water inlet switching valve respectively. The control module receives temperature information from each temperature detector and controls the hot and cold water inlet switching valve.

[0009] Preferably, it also includes a hot and cold water outlet switching valve electrically connected to the control module, one end of the water outlet pipe is connected to the first liquid outlet, and the other end is switched and connected to the hot water circulation inlet of the hot water tank and the cold water circulation inlet of the cold water tank through the hot and cold water outlet switching valve. The control module receives the temperature information of each temperature detector and controls the hot and cold water outlet switching valve.

[0010] Preferably, the water inlet pipe is connected to a jacketed water inlet valve.

[0011] Preferably, an adjusting button is connected between the jacket water inlet valve and the hot and cold water inlet switching valve.

[0012] Preferably, the material temperature detector is connected to the material cylinder, and its detection end is located in the granulation chamber.

[0013] Preferably, the jacket liquid temperature detector is connected to a position of the water inlet pipe close to the first liquid inlet, and its detection end is located in the water inlet pipe.

[0014] Preferably, the hot water tank has a first normal temperature liquid inlet.

[0015] Preferably, the cold water tank has a second normal temperature liquid inlet, a drain outlet and an overflow outlet.

[0016] The beneficial effects of the present invention are as follows: it realizes real-time detection of the temperatures of the hot and cold water tanks, the jacket chamber, and the granulation chamber; based on the relative relationship between the three, feedback adjustment is made by the control module, and the hot and cold water inlet switching valve is controlled to switch the water inlet pipe and the hot water outlet of the hot water tank and the cold water outlet of the cold water tank, so as to accurately control the material temperature; the temperature information feedback of each temperature detector enables the control module to obtain more accurate material temperature, avoiding the inconsistency between the liquid temperature in the water inlet pipe and the material temperature or inaccurate temperature control caused by other factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still fall within the scope of the present invention.

[0018] Figure 1 This is a front view structural diagram of an embodiment of the utility model;

[0019] Figure 2 This is a partial top view of the structure of an embodiment of the utility model;

[0020] In the figure, 1. material cylinder; 2. hot water tank; 3. cold water tank; 4. water inlet pipe; 5. water outlet pipe; 11. jacket; 12. granulation chamber; 13. jacket chamber; 14. material temperature detector; 21. hot water outlet; 22. hot water circulation inlet; 23. first normal temperature liquid inlet; 31. cold water outlet; 32. cold water circulation inlet; 33. second normal temperature liquid inlet; 34. drain outlet; 35. overflow outlet; 41. hot and cold water inlet switching valve; 42. jacket liquid temperature detector; 43. jacket water inlet valve; 51. hot and cold water outlet switching valve; 131. first liquid inlet; 132. first liquid outlet. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail below with reference to the accompanying drawings.

[0022] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for the purpose of distinguishing two non-identical entities or non-identical parameters with the same name. It can be seen that "first" and "second" are only for the convenience of expression and should not be understood as limitations on the embodiments of the present invention. Subsequent embodiments will not explain this one by one.

[0023] The directional and positional terms used in this invention, such as "upper," "lower," "front," "back," "left," "right," "inner," "outer," "top," "bottom," and "side," are used solely to refer to the directions or positions in the accompanying drawings. Therefore, the directional and positional terms used are intended to illustrate and facilitate understanding of this invention and are not intended to limit the scope of protection of this invention.

[0024] like Figures 1 to 2 As shown in the figure, a temperature control system for a wet granulator in an embodiment of the present invention includes a material cylinder 1, a hot water tank 2, a cold water tank 3, a water inlet pipe 4, a water outlet pipe 5, a control module, and also includes a hot and cold water inlet switching valve 41.

[0025] The material cylinder 1 is provided with a jacket 11, and the jacket 11 divides the interior of the material cylinder 1 into a granulation chamber 12 and a jacket chamber 13, and the jacket chamber 13 has a first liquid inlet 131 and a first liquid outlet 132.

[0026] One end of the water inlet pipe 4 is connected to the first liquid inlet 131, and the other end is switched to the hot water outlet 21 of the hot water tank 2 and the cold water outlet 31 of the cold water tank 3 through the hot and cold water inlet switching valve 41.

[0027] The material temperature detector 14 for detecting the temperature in the granulation chamber 12 and the jacket liquid temperature detector 42 for detecting the temperature in the granulation chamber 12 are also included.

[0028] The control module is electrically connected to the material temperature detector 14, the jacket liquid temperature detector 42, the hot water tank 2 temperature detector, the cold water tank 3 temperature detector, and the hot and cold water inlet switching valve 41 respectively. The control module receives temperature information from each temperature detector and controls the hot and cold water inlet switching valve 41.

[0029] Through this setting, real-time detection of the temperatures of the hot and cold water tanks, jacket chamber, and granulation chamber is achieved. Based on the relative relationship between the three, feedback adjustment is performed by the control module. By controlling the hot and cold water inlet switching valve to switch the water inlet pipe and the hot water outlet of the hot water tank and the cold water outlet of the cold water tank, the material temperature is precisely controlled. The temperature information feedback of each temperature detector enables the control module to obtain more accurate material temperature, avoiding inaccurate temperature control caused by inconsistency between the liquid temperature in the water inlet pipe and the material temperature or other factors.

[0030] In this embodiment, the control module specifically uses a PLC control element. The cold water tank temperature detector and the hot water tank temperature detector are both built-in components and are not shown in the drawings. Water is often used as the heating and cooling liquid, but thermal oil can be used instead if higher temperature requirements are required.

[0031] It also includes a hot and cold water outlet switching valve 51 electrically connected to the control module. One end of the water outlet pipe 5 is connected to the first liquid outlet 132, and the other end is switched and connected to the hot water circulation inlet 22 of the hot water tank 2 and the cold water circulation inlet 32 ​​of the cold water tank 3 through the hot and cold water outlet switching valve 51. The control module receives temperature information from each temperature detector and controls the hot and cold water outlet switching valve 51.

[0032] Through this setting, the control module can control the on-off of the hot and cold water outlets and the hot water circulation inlet of the hot water tank and the cold water circulation inlet of the cold water tank according to the information feedback from the temperature detectors of the cold and hot water tanks, thereby achieving efficient liquid circulation, reducing energy consumption, and improving the efficiency of material temperature control.

[0033] The water inlet pipe 4 is connected to a jacketed water inlet valve 43 .

[0034] The on-off of the water inlet pipe can be controlled by the jacketed water inlet valve.

[0035] An adjusting button 44 is connected between the jacket water inlet valve 43 and the hot and cold water inlet switching valve 41 .

[0036] Through this setting, the regulating knob can regulate the pressure of the water inlet pipe. At the same time, a pressure gauge can be equipped to accurately measure the pressure of the water inlet pipe, making the pressure adjustment of the regulating knob more accurate.

[0037] The material temperature detector 14 is connected to the material cylinder 1 , and its detection end is located in the granulation chamber 12 .

[0038] The jacket liquid temperature detector 42 is connected to the water inlet pipe 4 at a position close to the first liquid inlet 131 , and its detection end is located inside the water inlet pipe 4 .

[0039] Through the arrangement, the jacket liquid temperature detector is located at the position close to the first liquid inlet of the water inlet pipeline, and can more comprehensively measure the overall temperature of the system compared with directly detecting the temperature in the jacket cavity.

[0040] The hot water tank 2 has a first normal temperature liquid inlet 23.

[0041] The cold water tank 3 has a second normal temperature liquid inlet 33, a water outlet 34 and an overflow outlet 35.

[0042] The above disclosed is only the preferred embodiment of the present application, of course, cannot be limited by this to limit the scope of the present application, therefore, the equivalent changes made according to the claims of the present application, still belongs to the scope covered by the present application.

Claims

1. A temperature control system for a wet granulator, comprising a material cylinder (1), a hot water tank (2), a cold water tank (3), a water inlet pipe (4), a water outlet pipe (5), and a control module, characterized in that: It also includes a hot and cold water inlet switching valve (41), The material cylinder (1) is provided with a jacket (11), and the jacket (11) divides the interior of the material cylinder (1) into a granulation chamber (12) and a jacket chamber (13), and the jacket chamber (13) has a first liquid inlet (131) and a first liquid outlet (132). One end of the water inlet pipe (4) is connected to the first liquid inlet (131), and the other end is switched and connected to the hot water outlet (21) of the hot water tank (2) and the cold water outlet (31) of the cold water tank (3) through the hot and cold water inlet switching valve (41). It also includes a material temperature detector (14) for detecting the temperature in the granulation chamber (12), and a jacket liquid temperature detector (42) for detecting the temperature in the granulation chamber (12). The control module is electrically connected to the material temperature detector (14), the jacket liquid temperature detector (42), the hot water tank (2) temperature detector, the cold water tank (3) temperature detector, and the hot and cold water inlet switching valve (41), respectively. The control module receives temperature information from each temperature detector and controls the hot and cold water inlet switching valve (41).

2. A temperature control system for a wet granulator according to claim 1, characterized in that: The invention also includes a hot and cold water outlet switching valve (51) electrically connected to the control module. One end of the water outlet pipe (5) is connected to the first liquid outlet (132), and the other end is switched and connected to the hot water circulation inlet (22) of the hot water tank (2) and the cold water circulation inlet (32) of the cold water tank (3) through the hot and cold water outlet switching valve (51). The control module receives temperature information from each temperature detector and controls the hot and cold water outlet switching valve (51).

3. A temperature control system for a wet granulator according to claim 1, characterized in that: The water inlet pipe (4) is connected to a jacketed water inlet valve (43).

4. A temperature control system for a wet granulator according to claim 3, characterized in that: An adjusting button (44) is connected between the jacket water inlet valve (43) and the hot and cold water inlet switching valve (41).

5. A temperature control system for a wet granulator according to claim 1, characterized in that: The material temperature detector (14) is connected to the material cylinder (1), and its detection end is located in the granulation cavity (12).

6. A temperature control system for a wet granulator according to claim 1, characterized in that: The jacket liquid temperature detector (42) is connected to the water inlet pipe (4) at a position close to the first liquid inlet (131), and its detection end is located inside the water inlet pipe (4).

7. A temperature control system for a wet granulator according to claim 1, characterized in that: The hot water tank (2) has a first normal temperature liquid inlet (23).

8. A temperature control system for a wet granulator according to claim 1, characterized in that: The cold water tank (3) has a second normal temperature liquid inlet (33), a drain outlet (34) and an overflow outlet (35).

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