Heat exchanger with temperature regulation and control function

Abstract

The heat exchanger with the temperature regulation and control function comprises a heat exchange shell and an annular heat exchange tube bundle, a supporting plate is arranged at the top end of the heat exchange shell, a temperature regulation and control mechanism is arranged on the supporting plate, and a hot fluid inlet tube with a switch valve penetrates through the middle of the supporting plate. The two annular heat exchange tube bundles are arranged in the heat exchange shell in a crossed mode, the crossed position of the top ends of the annular heat exchange tube bundles is connected and communicated with the lower end of the hot fluid inlet tube, and refrigerating assemblies are arranged on the annular heat exchange tube bundles. The utility model belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger with a temperature regulation and control function.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat exchanger technical field, and specifically refers to heat exchanger with temperature regulation function. BACKGROUND

[0002] With the world energy crisis intensifying, the efficient use of energy becomes crucial, and heat exchanger as the key equipment of energy conversion and transmission can better realize the rational distribution and utilization of energy and reduce energy waste by improving its temperature regulation capacity.

[0003] In many industrial fields such as chemical industry, pharmaceutical industry and food processing, the production process has very strict requirements on temperature, and in these industrial production processes, the working conditions may change, such as fluctuations in raw material temperature and flow, changes in environmental temperature, etc. The traditional heat exchanger cannot make real-time adjustments according to these changes, while the heat exchanger with temperature regulation mechanism can automatically adjust the hot fluid flow according to the changes in working conditions, thereby controlling the heat exchange capacity and ensuring the stability and reliability of the heat exchange process. UTILITY MODEL CONTENTS

[0004] In order to solve the problem that the traditional heat exchanger cannot automatically control the heat exchange capacity according to the changes in working conditions without setting a temperature regulation mechanism, the utility model provides a heat exchanger with temperature regulation function.

[0005] In order to realize the above functions, the utility model adopts the following technical scheme: the heat exchanger with temperature regulation function comprises a heat exchange shell and an annular heat exchange tube bundle, the top end of the heat exchange shell is provided with a support plate, the support plate is provided with a temperature regulation mechanism, a hot fluid inlet pipe with a switch valve penetrates through the middle part of the support plate, the annular heat exchange tube bundle is arranged in the heat exchange shell and is arranged in two groups in an intersecting manner, the top end intersection of the annular heat exchange tube bundle is connected and communicated with the lower end of the hot fluid inlet pipe, and a refrigeration assembly is arranged on the annular heat exchange tube bundle.

[0006] As a preferred technical scheme of the utility model, the temperature regulation mechanism comprises a controller, a temperature sensor electrically connected with the controller and a flow regulating valve, the controller is fixedly arranged on the top of the support plate, the temperature sensor is fixedly arranged on the outer side of the heat exchange shell, and the flow regulating valve is connected in series on the hot fluid inlet pipe and located outside the heat exchange shell.

[0007] As a preferred technical scheme of the utility model, the refrigeration assembly comprises a refrigerant inlet, a refrigerant outlet and a refrigeration pipe, the refrigerant inlet and the refrigerant outlet are fixedly arranged on the side of the heat exchange shell, the refrigerant inlet is located below the refrigerant outlet, the refrigeration pipe is spirally arranged around the annular heat exchange tube bundle, and the two ends of the refrigeration pipe are connected to the refrigerant inlet and the refrigerant outlet respectively.

[0008] As a preferred technical scheme of the utility model, the heat exchange shell side part is fixedly provided with a hot fluid outlet pipe with a switch valve, and the bottom ends of the two groups of annular heat exchange pipe bundles are connected with one end of the hot fluid outlet pipe located inside the heat exchange shell.

[0009] As a preferred technical scheme of the utility model, the bottom end of the heat exchange shell is provided with a liquid outlet with a switch valve, and the liquid outlet is in communication with the inside of the heat exchange shell.

[0010] As a preferred technical scheme of the utility model, the heat exchange shell is uniformly provided with struts around the periphery, and the upper ends of the struts are fixedly connected with the heat exchange shell through an annular sleeve.

[0011] As a preferred technical scheme of the utility model, the annular heat exchange pipe bundles are vertically distributed inside the heat exchange shell.

[0012] Compared with the prior art, the utility model adopts the above structure and has the beneficial effects as follows:

[0013] 1. By the arrangement of the temperature control mechanism, the switch valve on the hot fluid inlet pipe is opened, the hot fluid enters the annular heat exchange pipe bundle, the temperature sensor detects the temperature of the hot fluid outlet pipe, when the detection value is higher than the preset value required for heat exchange, the controller will send a signal to reduce the opening of the flow regulating valve on the hot fluid inlet pipe, reduce the hot fluid flow, thereby reduce the heat exchange amount, and the hot fluid outlet temperature is reduced to the preset range, otherwise, the heat exchange amount is increased, so as to realize the accurate control of the temperature of the heat exchanger by the feedback signal of the temperature sensor.

[0014] 2. By the arrangement of the refrigeration assembly, the refrigerant flows out from the refrigerant outlet through the refrigeration pipe, the refrigeration pipe absorbs part of the heat on the annular heat exchange pipe bundle, so as to realize the heat transfer in the heat exchanger, the refrigeration pipe is spirally wound on the annular heat exchange pipe bundle, so as to increase the heat exchange contact area and improve the heat exchange efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The overall structure diagram of the heat exchanger with temperature control function Figure 1 ;

[0016] Figure 2 The overall structure diagram of the heat exchanger with temperature control function Figure 2 ;

[0017] Figure 3 The sectional view of the heat exchanger with temperature control function

[0018] Figure 4Part structure schematic view of heat exchanger with temperature regulation function is provided in the utility model.

[0019] Figure 5 For Figure 4 The local amplification view of A in the middle.

[0020] Wherein, 1, heat exchange shell, 2, annular heat exchange tube bundle, 3, support plate, 4, temperature regulation mechanism, 5, hot fluid inlet pipe, 6, refrigeration assembly, 7, controller, 8, temperature sensor, 9, flow regulating valve, 10, refrigerant inlet, 11, refrigerant outlet, 12, refrigeration pipe, 13, hot fluid outlet pipe, 14, liquid outlet, 15, support column. Specific embodiments

[0021] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0022] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. The utility model will be further described in detail in combination with the drawings.

[0023] As Figures 1-5As shown, the heat exchanger with temperature regulation function provided by the utility model, including heat exchange shell 1 and annular heat exchange tube bundle 2, the heat exchange shell 1 is uniformly provided with support 15 on the outer periphery, and the upper end of the support 15 is fixed with the heat exchange shell 1 through a ring sleeve, which is convenient for stable support of the heat exchanger, the top end of the heat exchange shell 1 is provided with support plate 3, the support plate 3 is provided with temperature regulation mechanism 4, the support plate 3 is penetrated by hot fluid inlet pipe 5 with switch valve in the middle, the annular heat exchange tube bundle 2 is arranged in the heat exchange shell 1 and is intersected with two groups, the annular heat exchange tube bundle 2 is vertically distributed in the heat exchange shell 1, and the top end intersection of the annular heat exchange tube bundle 2 is connected with the lower end of the hot fluid inlet pipe 5 and is communicated, the heat exchange shell 1 is fixed with hot fluid outlet pipe 13 with switch valve on the side, the bottom end intersection of the two groups of annular heat exchange tube bundle 2 is connected with one end of the hot fluid outlet pipe 13 located in the heat exchange shell 1, the annular heat exchange tube bundle 2 is provided with refrigeration assembly 6, the switch valve on the hot fluid inlet pipe 5 is opened, the hot fluid enters the annular heat exchange tube bundle 2, and the heat exchange amount of the hot fluid is automatically controlled through the temperature regulation mechanism 4, so as to facilitate the stability and reliability of the heat exchange process of the heat exchanger.

[0024] As Figures 1-4 As shown, the temperature regulation mechanism 4 includes controller 7, temperature sensor 8 and flow regulating valve 9 connected with the electric signal, the controller 7 is fixed on the top of support plate 3, the temperature sensor 8 is fixed on the outside of the heat exchange shell 1, the flow regulating valve 9 is connected in series on the hot fluid inlet pipe 5 and is located outside the heat exchange shell 1, when the temperature sensor 8 detects that the temperature of the hot fluid outlet is higher than the preset value required by heat exchange, the controller 7 will send a signal, and the opening of the flow regulating valve 9 on the hot fluid inlet pipe 5 is reduced, the hot fluid flow is reduced, so as to reduce the heat exchange amount, and the temperature of the hot fluid outlet is reduced to the preset range, on the contrary, when the temperature is lower than the preset value required by heat exchange, the hot fluid flow is increased, and the heat exchange amount is increased, through the closed loop control mode, the feedback signal of the temperature sensor 8 is utilized, and the accurate control of the temperature of the heat exchanger is facilitated.

[0025] As Figures 1-5As shown, the refrigeration assembly 6 comprises a refrigerant inlet 10 and a refrigerant outlet 11, both fixedly penetrating the side of the heat exchange shell 1, and the refrigerant inlet 10 is arranged below the refrigerant outlet 11, and a refrigeration pipe 12 spirally arranged on the annular heat exchange pipe bundle 2, both ends of the refrigeration pipe 12 are connected to the refrigerant inlet 10 and the refrigerant outlet 11 respectively, and the refrigerant flows out from the refrigerant outlet 11 through the refrigeration pipe 12, and the refrigeration pipe 12 can absorb part of the heat on the annular heat exchange pipe bundle 2, so as to realize heat transfer in the heat exchanger, and the refrigeration pipe 12 is spirally arranged on the annular heat exchange pipe bundle 2, so as to increase the heat exchange contact area and improve the heat exchange efficiency; the bottom end of the heat exchange shell 1 is provided with a liquid outlet 14 with a switch valve, and the liquid outlet 14 is in communication with the inside of the heat exchange shell 1, so as to collect and discharge the water droplets generated during the heat exchange work of the refrigeration pipe 12 and the annular heat exchange pipe bundle 2.

[0026] In specific use, the switch valves on the hot fluid inlet pipe 5 and the hot fluid outlet pipe 13 are opened respectively, the hot fluid is conveyed into the annular heat exchange pipe bundle 2, the refrigerant is conveyed into the refrigeration pipe 12 through the refrigerant inlet 10, the refrigeration pipe 12 absorbs part of the heat of the annular heat exchange pipe bundle 2 through the contact with the pipe wall of the annular heat exchange pipe bundle 2, heat exchange is realized, the temperature sensor 8 detects the temperature of the hot fluid outlet pipe 13, when the detection value is higher than the preset value required for heat exchange, the controller 7 sends a signal to reduce the opening of the flow regulating valve 9 on the hot fluid inlet pipe 5, so as to reduce the flow of the hot fluid, thereby reducing the heat exchange amount and making the hot fluid outlet temperature drop to the preset range, otherwise, the heat exchange amount is increased, the heat exchange is ended, and the switch valve on the liquid outlet 14 is opened to discharge the water droplets generated during the heat exchange work of the refrigeration pipe 12 and the annular heat exchange pipe bundle 2.

[0027] The above describes the present application and its embodiments, which are not limited, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, similar structural modes and embodiments are designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A heat exchanger with temperature control function, comprising a heat exchange shell (1) and an annular heat exchange tube bundle (2), characterized in that: The top end of the heat exchange shell (1) is provided with a support plate (3), the support plate (3) is provided with a temperature regulating mechanism (4), the middle part of the support plate (3) is penetrated by a hot fluid inlet pipe (5) with a switch valve, the annular heat exchange pipe bundle (2) is arranged in the heat exchange shell (1) and is arranged in two groups in cross, the top end intersection of the annular heat exchange pipe bundle (2) is connected and communicated with the lower end of the hot fluid inlet pipe (5), and the annular heat exchange pipe bundle (2) is provided with a refrigeration assembly (6).

2. The heat exchanger with temperature regulation function according to claim 1, characterized in that: The temperature regulating mechanism (4) comprises a controller (7), a temperature sensor (8) and a flow regulating valve (9) connected with the temperature sensor (8) through an electrical signal, the controller (7) is fixedly arranged on the top of the support plate (3), the temperature sensor (8) is fixedly arranged on the outside of the heat exchange shell (1), and the flow regulating valve (9) is connected in series on the hot fluid inlet pipe (5) and located outside the heat exchange shell (1).

3. The heat exchanger with temperature regulation function according to claim 2, characterized in that: The refrigeration assembly (6) comprises a refrigerant inlet (10), a refrigerant outlet (11) and a refrigeration pipe (12), the refrigerant inlet (10) and the refrigerant outlet (11) are fixedly penetrated on the side of the heat exchange shell (1), the refrigerant inlet (10) is located below the refrigerant outlet (11), and the refrigeration pipe (12) is spirally arranged around the annular heat exchange pipe bundle (2), and the two ends of the refrigeration pipe (12) are connected to the refrigerant inlet (10) and the refrigerant outlet (11) respectively.

4. The heat exchanger with temperature regulation function according to claim 3, characterized in that: The side of the heat exchange shell (1) is fixedly penetrated by a hot fluid outlet pipe (13) with a switch valve, and the bottom end intersection of the two groups of annular heat exchange pipe bundles (2) is connected with one end of the hot fluid outlet pipe (13) located inside the heat exchange shell (1).

5. The heat exchanger with temperature regulation function according to claim 4, characterized in that: The bottom end of the heat exchange shell (1) is provided with a liquid outlet (14) with a switch valve, and the liquid outlet (14) is communicated with the inside of the heat exchange shell (1).

6. The heat exchanger with temperature regulation function according to any one of claims 1-5, characterized in that: The periphery of the heat exchange shell (1) is uniformly provided with a support column (15), and the upper end of the support column (15) is fixedly connected with the heat exchange shell (1) through an annular sleeve.

7. The heat exchanger with temperature regulation function according to claim 6, characterized in that: The annular heat exchange pipe bundle (2) is vertically distributed in the heat exchange shell (1).

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