Accurate temperature control device

Abstract

The utility model discloses an accurate temperature control device, which relates to the technical field of hydrophilic colloid production, and comprises a base, a reaction kettle arranged above the base, a temperature control mechanism used for controlling the temperature in the reaction kettle, and a temperature control mechanism used for controlling the temperature in the reaction kettle, and the temperature control mechanism comprises a buffer tank fixedly connected with the base, the buffer tank fixedly communicates with a connecting pipeline, the end, away from the buffer tank, of the connecting pipeline fixedly communicates with a pressure pump, the water outlet end of the pressure pump fixedly communicates with an extension pipeline, and the end, away from the pressure pump, of the extension pipeline fixedly communicates with a spiral pipeline; the spiral pipeline is arranged on the outer side of the reaction kettle and is used for controlling the temperature in the reaction kettle; the auxiliary part is arranged on the extension pipeline and used for controlling the temperature of water flow in the extension pipeline. According to the precise temperature control device, the temperature in the reaction kettle can be precisely controlled conveniently, heat can be quickly supplemented on the basis of a main heating system by using auxiliary parts conveniently, and the dynamic response capability of temperature regulation and control is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrophilic colloid production technical field, concretely is a kind of precision temperature control device. BACKGROUND

[0002] Sodium carboxymethyl cellulose is a kind of high molecular compound prepared by chemical modification natural cellulose, belongs to anionic hydrophilic colloid, in its molecular structure, the hydroxyl group on cellulose skeleton is replaced by carboxymethyl group, gives it excellent hydrophilicity, thickening, stability and film-forming property, these characteristics make sodium carboxymethyl cellulose in food, medicine, cosmetics, oil exploitation, papermaking, textile and other industrial fields have irreplaceable application value.

[0003] At present, the production of sodium carboxymethyl cellulose is mainly prepared by etherification reaction of cellulose and sodium chloroacetate under alkaline conditions through reaction kettle, the process involves multiple key steps, including alkalization, etherification, neutralization, washing and drying, wherein, temperature control is one of the core factors affecting product quality and production efficiency, but, traditional reaction kettle is difficult to meet the demand of modern industry to high precision, high stability production due to low heat transfer efficiency, temperature response lag and other problems.

[0004] Therefore, in view of the above problems, it is necessary for the applicant to design a precision temperature control device to solve the problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of precision temperature control device, to solve the problems mentioned in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of precision temperature control device, including base, and base upper portion is provided with reaction kettle,

[0007] Further include: setting on the temperature control mechanism of base upper portion, and temperature control mechanism is used to control the temperature in reaction kettle, the temperature control mechanism includes with the fixed connection of buffer tank of base, and buffer tank is fixedly connected with connecting pipeline, the end of connecting pipeline away from buffer tank is fixedly connected with pressurizing pump, and the water outlet end of pressurizing pump is fixedly connected with extension pipeline, the end of extension pipeline away from pressurizing pump is fixedly connected with spiral pipeline, and spiral pipeline is set to the outside of reaction kettle for controlling the temperature in reaction kettle;

[0008] Setting on the auxiliary component of extension pipeline, and auxiliary component is used to control the water flow temperature in extension pipeline.

[0009] Further, the end of spiral pipeline away from extension pipeline is fixedly connected with circulating pipeline, and circulating pipeline is fixedly connected with buffer tank.

[0010] Through the above structural design, the spiral pipeline is communicated with the buffer tank through the circulating pipeline to form a closed loop circuit, realizes the recycling of heat medium, reduces energy waste, and the closed loop design can maintain the temperature stability of the heat medium in the system, avoids the temperature fluctuation caused by frequent supplement of new medium, and further improves the temperature control precision.

[0011] Further, the auxiliary component includes a connecting tee communicated with the extension pipeline, and a auxiliary pipeline is fixedly communicated on the connecting tee, and an electric heater two is arranged on the auxiliary pipeline, and the electric heater two is used for heating the water flow in the auxiliary pipeline.

[0012] Through the above structural design, the auxiliary pipeline and the electric heater two are added, which can quickly supplement heat on the basis of the main heating system, flexibly cope with the sudden heating demand of the reaction kettle, and enhance the dynamic response capability of temperature regulation.

[0013] Further, two valves are arranged on the auxiliary pipeline, and the two valves are arranged on the two sides of the electric heater two.

[0014] Through the above structural design, the two valves are arranged on the two sides of the electric heater two, and the opening and closing of the auxiliary pipeline and the heating interval can be independently controlled, which is convenient for isolating the heating unit during equipment maintenance, prevents heat backflow from interfering with the main system when not in use, and guarantees the independence of temperature control logic.

[0015] Further, an electric heater one is arranged on the buffer tank, and the power of the electric heater one is less than the power of the electric heater two.

[0016] Through the above structural design, the low-power design of the electric heater one is suitable for maintaining the baseline temperature of the medium in the buffer tank, and the high-power electric heater two is responsible for rapid heating, and the division of labor is clear, which avoids overload of a single heater, realizes graded and accurate temperature control, and significantly reduces energy consumption.

[0017] Further, a temperature display instrument is arranged on the buffer tank, and the temperature display instrument is used for displaying the internal temperature in the buffer tank.

[0018] Through the above structural design, the temperature display instrument feedbacks the medium temperature in the buffer tank in real time, provides visual data support for the operator, facilitates timely adjustment of heating strategy, reduces manual temperature measurement error, and ensures the transparency and traceability of the temperature parameters of the whole system.

[0019] Further, a base is fixedly arranged on the bottom surface of the pressurizing pump, and the base is fixedly connected with the base.

[0020] Through the above structural design, the rigid fixed connection of the base and the base effectively suppresses the vibration transmission of the pressurizing pump during operation, reduces noise and prolongs the service life of the pump body, prevents displacement or leakage of the pipeline due to vibration, and improves the overall safety and stability of the system.

[0021] Further, the spiral pipeline is fixedly provided with a reinforcing frame, and the reinforcing frame is fixedly connected with the reaction kettle.

[0022] Through the above structural design, the reinforcing frame tightly fixes the spiral pipeline and the outer wall of the reaction kettle, avoids deformation of the pipeline due to thermal expansion and contraction or fluid impact, ensures uniform adhesion of the spiral structure to the surface of the reaction kettle, maximizes the heat exchange efficiency, and enhances the mechanical stress resistance of the equipment.

[0023] Compared with the prior art, the beneficial effects of the present application are: the precise temperature control device can precisely control the temperature in the reaction kettle, and can quickly supplement heat on the basis of the main heating system by using auxiliary components, thereby enhancing the dynamic response capability of temperature regulation.

[0024] When the precise temperature control device is in use, the pressure pump is started, the pressure pump draws clean water in the buffer tank into the extension pipeline, the clean water in the extension pipeline enters the spiral pipeline under the action of pressure, the hot water in the spiral pipeline raises the temperature in the reaction kettle, and the water flow in the spiral pipeline returns to the buffer tank through the circulating pipeline, so that the temperature in the reaction kettle can be adjusted according to requirements, and the water flow forms a closed loop, realizes recycling of the heat medium, reduces energy waste, and maintains the temperature stability of the heat medium in the system, avoids temperature fluctuation caused by frequent supplement of new medium, and further improves the temperature control precision.

[0025] When the precise temperature control device is in use, when the reaction kettle has an unexpected temperature rise requirement, the valve is opened and the electric heater two is started, the electric heater two continuously heats the clean water in the auxiliary pipeline, the clean water mixes with the clean water in the extension pipeline and enters the spiral pipeline, which can quickly supplement heat on the basis of the main heating system, thereby enhancing the dynamic response capability of temperature regulation, and having good use effect. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0027] Figure 2 It is a three-dimensional structure schematic view of the temperature control mechanism of the utility model;

[0028] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0029] Figure 4 It is a three-dimensional structure schematic view of the auxiliary component of the utility model.

[0030] As shown in the figure: 1, base; 2, temperature control mechanism; 10, reaction kettle; 11, reinforcing frame; 20, buffer tank; 21, connecting pipeline; 22, pressure pump; 23, extension pipeline; 24, spiral pipeline; 25, auxiliary component; 26, circulating pipeline; 27, electric heater one; 28, temperature display instrument; 220, base; 250, connecting tee; 251, auxiliary pipeline; 252, electric heater two; 253, valve. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] As Figures 1-4 shown, a precise temperature control device, comprising a base 1, and the base 1 is provided with a reaction kettle 10, further comprising: the temperature control mechanism 2 is arranged on the base 1, and the temperature control mechanism 2 is used to control the temperature in the reaction kettle 10, the temperature control mechanism 2 contains the buffer tank 20 fixedly connected with the base 1, and the buffer tank 20 is fixedly communicated with the connecting pipeline 21, one end of the connecting pipeline 21 away from the buffer tank 20 is fixedly communicated with the pressure pump 22, and the water outlet end of the pressure pump 22 is fixedly communicated with the extension pipeline 23, one end of the extension pipeline 23 away from the pressure pump 22 is fixedly communicated with the spiral pipeline 24, and the spiral pipeline 24 is arranged on the outside of the reaction kettle 10 for controlling the temperature in the reaction kettle 10, one end of the spiral pipeline 24 away from the extension pipeline 23 is fixedly communicated with the circulating pipeline 26, and the circulating pipeline 26 is fixedly communicated with the buffer tank 20, the buffer tank 20 is provided with an electric heater one 27, and the power of the electric heater one 27 is less than the power of the electric heater two 252.

[0033] The buffer tank 20 is provided with a temperature display instrument 28, and the temperature display instrument 28 is used to display the internal temperature in the buffer tank 20, the bottom surface of the pressure pump 22 is fixedly provided with a base 220, and the base 220 is fixedly connected with the base 1, the spiral pipeline 24 is fixedly provided with a reinforcing frame 11, and the reinforcing frame 11 is fixedly connected with the reaction kettle 10.

[0034] Through the above structural design, in use, start the pressurizing pump 22, the pressurizing pump 22 will suck the clean water in the buffer tank 20 into the extension pipeline 23, the clean water in the extension pipeline 23 will enter the spiral pipeline 24 under the action of pressure, the hot water in the spiral pipeline 24 will raise the temperature in the reaction kettle 10, and the water flow in the spiral pipeline 24 will flow back to the buffer tank 20 through the circulating pipeline 26, which will facilitate the adjustment of the temperature in the reaction kettle 10 according to the demand, and the water flow forms a closed loop, realizes the recycling of the heat medium, reduces the energy waste, and the closed loop design can maintain the temperature stability of the heat medium in the system, avoids the temperature fluctuation caused by frequent replenishment of new medium, and further improves the temperature control precision.

[0035] The auxiliary component 25 is arranged on the extension pipeline 23, and the auxiliary component 25 is used for controlling the water flow temperature in the extension pipeline 23. The auxiliary component 25 comprises a connecting tee joint 250 in communication with the extension pipeline 23, and an auxiliary pipeline 251 is fixedly communicated on the connecting tee joint 250. An electric heater two 252 is arranged on the auxiliary pipeline 251, and the electric heater two 252 is used for heating the water flow in the auxiliary pipeline 251. Two valves 253 are arranged on the auxiliary pipeline 251, and the two valves 253 are arranged on the two sides of the electric heater two 252 respectively.

[0036] Through the above structural design, in use, when the reaction kettle 10 has an emergency temperature rising demand, the valve 253 is opened and the electric heater two 252 is started. The electric heater two 252 will continuously heat the clean water in the auxiliary pipeline 251. The clean water mixed with the clean water in the extension pipeline 23 entering the spiral pipeline 24 can quickly supplement the heat on the basis of the main heating system, enhance the dynamic response ability of temperature regulation, and have good use effect.

[0037] Working principle: when the precise temperature control device is used, start the pressurizing pump 22, the pressurizing pump 22 will suck the clean water in the buffer tank 20 into the extension pipeline 23, the clean water in the extension pipeline 23 will enter the spiral pipeline 24 under the action of pressure, the hot water in the spiral pipeline 24 will raise the temperature in the reaction kettle 10, and the water flow in the spiral pipeline 24 will flow back to the buffer tank 20 through the circulating pipeline 26, which will facilitate the adjustment of the temperature in the reaction kettle 10 according to the demand, and the water flow forms a closed loop, realizes the recycling of the heat medium, reduces the energy waste, and the closed loop design can maintain the temperature stability of the heat medium in the system, avoids the temperature fluctuation caused by frequent replenishment of new medium, and further improves the temperature control precision. When the reaction kettle 10 has an emergency temperature rising demand, the valve 253 is opened and the electric heater two 252 is started. The electric heater two 252 will continuously heat the clean water in the auxiliary pipeline 251. The clean water mixed with the clean water in the extension pipeline 23 entering the spiral pipeline 24 can quickly supplement the heat on the basis of the main heating system, enhance the dynamic response ability of temperature regulation, and have good use effect.

[0038] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A precision temperature control device, comprising a base (1) and a reaction vessel (10) disposed above the base (1). Its features are, Also includes: A temperature control mechanism (2) is set above the base (1) and is used to control the temperature inside the reactor (10). The temperature control mechanism (2) includes a buffer tank (20) fixedly connected to the base (1) and a connecting pipe (21) is fixedly connected to the buffer tank (20). A pressure pump (22) is fixedly connected to one end of the connecting pipe (21) away from the buffer tank (20), and an extension pipe (23) is fixedly connected to the water outlet end of the pressure pump (22). A spiral pipe (24) is fixedly connected to one end of the extension pipe (23) away from the pressure pump (22), and the spiral pipe (24) is set outside the reactor (10) to control the temperature inside the reactor (10). An auxiliary component (25) is provided on the extension pipe (23), and the auxiliary component (25) is used to control the water flow temperature in the extension pipe (23).

2. The precise temperature control device according to claim 1, characterized in that: The spiral pipe (24) is fixedly connected to a circulation pipe (26) at the end away from the extension pipe (23), and the circulation pipe (26) is fixedly connected to the buffer tank (20).

3. The precise temperature control device according to claim 1, characterized in that: The auxiliary component (25) includes a connecting tee (250) connected to the extension pipe (23), and an auxiliary pipe (251) is fixedly connected to the connecting tee (250). An electric heater (252) is provided on the auxiliary pipe (251), and the electric heater (252) is used to heat the water flow in the auxiliary pipe (251).

4. The precise temperature control device according to claim 3, characterized in that: The auxiliary pipe (251) is equipped with two valves (253), and the two valves (253) are respectively located on both sides of the electric heater (252).

5. The precise temperature control device according to claim 1, characterized in that: The buffer tank (20) is equipped with an electric heater (27), and the power of the electric heater (27) is less than that of the electric heater (252).

6. The precise temperature control device according to claim 1, characterized in that: The buffer tank (20) is equipped with a temperature display (28), and the temperature display (28) is used to display the internal temperature inside the buffer tank (20).

7. The precise temperature control device according to claim 1, characterized in that: The bottom surface of the pressurizing pump (22) is fixedly provided with a base (220), and the base (220) is fixedly connected to the base (1).

8. The precise temperature control device according to claim 1, characterized in that: A reinforcing frame (11) is fixedly installed on the spiral pipe (24), and the reinforcing frame (11) is fixedly connected to the reactor (10).

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