Stainless steel heat exchange tube with throttling function

Abstract

The stainless steel heat exchange pipe with the throttling function comprises an inlet connecting pipe, a heat exchange pipe body and an outlet connecting pipe, one end of the inlet connecting pipe is connected with an inlet connector, the heat exchange pipe body is arranged at the end, away from the inlet connector, of the inlet connecting pipe, the outer side of the heat exchange pipe body is connected with a plurality of sets of pipeline fixing plates, and the pipeline fixing plates are connected with the outlet connecting pipe body. The heat exchange pipe is provided with multiple sections of bends among the multiple sets of pipeline fixing plates, the outlet connecting pipe is arranged at the end, away from the inlet connecting pipe, of the heat exchange pipe, the end, away from the heat exchange pipe, of the outlet connecting pipe is connected with an outlet connector, and the inlet connecting pipe and the outlet connecting pipe are each connected with a flow meter and a flow controller. The flow meter is arranged on the side, away from the heat exchange pipe, of the throttlers, the two ends of the heat exchange pipe are connected into the two throttlers correspondingly, the flow at the inlet and the flow at the outlet can be monitored in real time, throttling adjustment can be conducted in time according to the flow at the inlet and the flow at the outlet, and heat between two media can be well exchanged.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange tubes, in particular to a stainless steel heat exchange tube with a throttling function. Background Art

[0002] The heat exchange tube is one of the components of the heat exchanger. It is placed inside the cylinder and is used for heat exchange between two media. It has high thermal conductivity and good isothermal properties. It is a device that can quickly transfer heat energy from one point to another with almost no heat loss. Therefore, it is called a heat transfer superconductor.

[0003] The application number CN201510400257.0 is retrieved, which is a heat exchange tube that discharges the gas or liquid that needs to be heat exchanged to a position close to the outer tube wall, greatly improving the heat exchange efficiency.

[0004] Similar to the above-mentioned heat exchange tube, although the gas or liquid that needs to be heat exchanged is discharged to a position close to the outer tube wall, which greatly improves the heat exchange efficiency, it is not equipped with a throttling device and cannot control the heating or cooling rate of the fluid in the tube, making it impossible to accurately control the heat exchange process during the medium heat exchange process.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a stainless steel heat exchange tube with throttling function is proposed to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide a stainless steel heat exchange tube with a throttling function to solve the problem that a heat exchange tube is proposed in the above background technology, which is not provided with a throttling device and cannot control the heating or cooling speed of the fluid in the tube, so that the heat exchange process cannot be accurately controlled during the heat exchange of the medium.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel heat exchange tube with a throttling function, comprising an inlet connecting tube, a heat exchange tube and an outlet connecting tube, one end of the inlet connecting tube is connected to an inlet connecting head, and the heat exchange tube is arranged at the end of the inlet connecting tube away from the inlet connecting head, the outer side of the heat exchange tube is connected to multiple groups of pipeline fixing plates, and the heat exchange tube has multiple sections of bends between the multiple groups of pipeline fixing plates, the outlet connecting tube is arranged at the end of the heat exchange tube away from the inlet connecting tube, the end of the outlet connecting tube away from the heat exchange tube is connected to the outlet connecting head, and the inlet connecting tube and the outlet connecting tube are both connected to a flow meter and a throttle, the flow meter is arranged on the side of the throttle away from the heat exchange tube, and the two ends of the heat exchange tube are respectively connected to two groups of throttles.

[0008] Preferably, a plurality of groups of grooves are provided on the outer side of the heat exchange tube, a plurality of groups of flow limiting plates are provided inside the heat exchange tube, and the plurality of groups of flow limiting plates are arranged inversely with each other, the flow limiting plate comprises a tube sleeve and a flow limiting baffle, the flow limiting baffle is provided in the tube sleeve, and the flow limiting baffle is provided with holes.

[0009] Preferably, a water inlet pipe and a water outlet pipe are respectively provided on both sides of the throttle, a partition plate is provided inside the throttle, and the partition plate divides the inside of the throttle into two groups of cavities, and the two groups of cavities are respectively connected to the water inlet pipe and the water outlet pipe.

[0010] Preferably, a throttle valve is provided on the top of the throttle, and a valve core is connected to the bottom of the throttle valve, and the valve core includes a flow pipe, a water pipe wall and a flow limiting cylinder.

[0011] Preferably, the circulation pipe is connected to the center position of the partition plate, and the water pipe wall is connected to the top of the circulation pipe, the flow limiting cylinder is inserted into the water pipe wall, and a sealing plate is provided on the top of the flow limiting cylinder, the top of the sealing plate is connected to a lifting column, and the lifting column is connected to the throttle valve.

[0012] Compared with the prior art, the utility model has the beneficial effect of being able to monitor the flow at the inlet and outlet in real time, and being able to make timely throttling adjustments according to the flow at the inlet and outlet, and being able to exchange heat between the two media well. The specific contents are as follows:

[0013] The limiting plate in the heat exchange tube can limit the flow of the heat exchange medium in the tube, so that when the heat exchange medium flows through the tube sleeve and passes through the holes on the limiting baffle, the pressure of the fluid is reduced due to the local resistance of the limiting baffle. The flow of the heat exchange fluid at the inlet connecting pipe and the outlet connecting pipe is observed by the flow meters on both sides respectively, and the flow at the inlet connecting pipe and the outlet connecting pipe can be controlled by the throttles on the inlet connecting pipe and the outlet connecting pipe respectively. The flow rate flowing through the throttle is controlled by the throttle valve, and the extension and retraction of the lifting column is controlled by the throttle valve. The sealing plate and the limiting cylinder connected to it are driven to rise and fall by the lifting column, thereby controlling the overlapping area between the limiting cylinder and the water pipe wall, thereby controlling the flow rate of the water flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of the main body of a stainless steel heat exchange tube with a throttling function according to the utility model;

[0015] Figure 2 This is a schematic diagram of the side cross-section structure of a stainless steel heat exchange tube with a throttling function according to the utility model;

[0016] Figure 3 This is a structural schematic diagram of a flow limiting plate of a stainless steel heat exchange tube with a throttling function according to the utility model;

[0017] Figure 4 It is a schematic structural diagram of a side section of a throttle of a stainless steel heat exchange tube with a throttling function according to the utility model;

[0018] Figure 5 The utility model is a schematic diagram of the side section structure of a valve core of a stainless steel heat exchange tube with a throttling function.

[0019] In the figure: 1. inlet connecting pipe; 11. inlet connector; 2. flow meter; 3. throttle; 31. water inlet pipe; 32. water outlet pipe; 33. partition plate; 34. valve core; 341. flow pipe; 342. water pipe wall; 343. flow limiting cylinder; 344. sealing plate; 345. lifting column; 35. throttle valve; 36. cavity; 4. heat exchange tube; 41. flow limiting plate; 411. pipe sleeve; 412. flow limiting baffle; 413. hole; 42. groove; 5. pipeline fixing plate; 6. outlet connecting pipe; 61. outlet connector. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] See also Figures 1 to 5 A stainless steel heat exchange tube with a throttling function comprises an inlet connecting tube 1, a heat exchange tube 4 and an outlet connecting tube 6, one end of the inlet connecting tube 1 is connected with an inlet connector 11, and the heat exchange tube 4 is arranged at the end of the inlet connecting tube 1 away from the inlet connector 11, multiple groups of pipeline fixing plates 5 are connected to the outer side of the heat exchange tube 4, and the heat exchange tube 4 has multiple sections of bends between the multiple groups of pipeline fixing plates 5, the outlet connecting tube 6 is arranged at the end of the heat exchange tube 4 away from the inlet connecting tube 1, the end of the outlet connecting tube 6 away from the heat exchange tube 4 is connected with an outlet connector 61, and the inlet connecting tube 1 and the outlet connecting tube 6 are both connected with a flow meter 2 and a throttle 3, the flow meter 2 is arranged on the side of the throttle 3 away from the heat exchange tube 4, and the two ends of the heat exchange tube 4 are respectively connected to the two groups of throttles 3;

[0022] The inlet connecting pipe 1 is used to connect the heat exchange medium, and the inlet connecting pipe 1 can be connected to a device containing the heat exchange fluid through an inlet connecting head 11. The outlet connecting pipe 6 is used to discharge the heat exchange medium, and the outlet connecting pipe 6 can be connected to a device for recovering the heat exchange fluid through an outlet connecting head 61. The flow meters 2 on the inlet connecting pipe 1 and the outlet connecting pipe 6 can respectively display the flow rates of the heat exchange fluid at the inlet connecting pipe 1 and the outlet connecting pipe 6, and the flow rates at the inlet connecting pipe 1 and the outlet connecting pipe 6 can be respectively controlled through the throttles 3 on the inlet connecting pipe 1 and the outlet connecting pipe 6. The pipeline fixing plate 5 is used to fix the heat exchange pipe 4.

[0023] A plurality of grooves 42 are arranged on the outside of the heat exchange tube 4, and a plurality of flow limiting plates 41 are arranged inside the heat exchange tube 4, and the plurality of flow limiting plates 41 are arranged inversely to each other. The flow limiting plate 41 includes a tube sleeve 411 and a flow limiting baffle 412, and the flow limiting baffle 412 is arranged inside the tube sleeve 411, and a hole 413 is arranged on the flow limiting baffle 412. The heat exchange tube 4 transfers heat by evaporation and condensation of the heat exchange medium in the tube, and the grooves 42 on the outside of the heat exchange tube 4 can increase the contact area between the fluid outside the tube and the tube wall, so that the fluid outside the tube and the heat exchange medium in the tube can fully complete the heat exchange, and the flow limiting plate 41 is used to limit the flow of the heat exchange medium in the tube, so that when the heat exchange medium flows through the tube sleeve 411 and passes through the hole 413 on the flow limiting baffle 412, the pressure of the fluid is reduced due to the local resistance of the flow limiting baffle 412.

[0024] A water inlet pipe 31 and a water outlet pipe 32 are respectively arranged on both sides of the throttle 3, a partition plate 33 is arranged inside the throttle 3, and the partition plate 33 divides the inside of the throttle 3 into two groups of cavities 36, and the two groups of cavities 36 are respectively connected to the water inlet pipe 31 and the water outlet pipe 32, a throttle valve 35 is arranged on the top of the throttle 3, and a valve core 34 is connected to the bottom of the throttle valve 35, and the valve core 34 includes a flow pipe 341, a water pipe wall 342 and a flow limiting cylinder 343, the flow pipe 341 is connected to the center position of the partition plate 33, and the water pipe wall 342 is connected to the top of the flow pipe 341, the flow limiting cylinder 343 is inserted in the water pipe wall 342, and a sealing plate 344 is arranged on the top of the flow limiting cylinder 343, and a lifting column 34 is connected to the top of the sealing plate 344 5, and the lifting column 345 is connected to the throttle valve 35, the heat exchange medium flowing through the throttle 3 enters into the one side cavity 36 in the throttle 3 through the water inlet pipe 31, and enters into the flow pipe 341 through the flow pipe 341 at the bottom of the valve core 34 from the one side cavity 36, and then flows into the other side cavity 36 through the flow pipe 341; then flows out of the other side cavity 36 and enters into the water outlet pipe 32 for discharge. During use, the throttle valve 35 can be used to control the flow rate flowing through the throttle 3, and the throttle valve 35 controls the extension and contraction of the lifting column 345, and the sealing plate 344 and the flow limiting cylinder 343 connected thereto are driven to rise and fall through the lifting column 345, thereby controlling the overlapping area between the flow limiting cylinder 343 and the water pipe wall 342, thereby controlling the flow rate of the water flow.

[0025] Working principle: When using a stainless steel heat exchange tube with a throttling function, first connect the inlet connecting pipe 1 to a device containing a heat exchange fluid through the inlet connecting head 11, and then connect the outlet connecting pipe 6 to a device for recovering the heat exchange fluid through the outlet connecting head 61. The heat exchange medium flows from the inlet connecting pipe 1 through the flow meter 2 and the throttle 3, and then flows from the flow meter 2 to the heat exchange tube 4, and passes through multiple groups of limiting plates 41 in the heat exchange tube 4. When the heat exchange medium flows through the pipe sleeve 411 and passes through the holes 413 on the limiting baffle 412, the pressure of the fluid is reduced due to the local resistance of the limiting baffle 412, and the heat exchange medium transfers heat through evaporation and condensation in the heat exchange tube 4. The external fluid that needs to be heat exchanged completes the heat exchange by contacting with the groove 42 on the outside of the heat exchange tube 4. During the heat exchange process, the flow rates of the heat exchange fluid at the inlet connecting pipe 1 and the outlet connecting pipe 6 can be observed by the flow meters 2 on both sides, and the flow rates at the inlet connecting pipe 1 and the outlet connecting pipe 6 can be controlled by the throttles 3 on the inlet connecting pipe 1 and the outlet connecting pipe 6, respectively. The heat exchange medium flowing through the throttle 3 enters the cavity 36 on one side of the throttle 3 from the water inlet pipe 31, and enters the flow pipe 341 from the cavity 36 on one side through the flow pipe 341 at the bottom of the valve core 34, and then flows to the cavity 36 on the other side through the flow pipe 341, and then flows out of the cavity 36 on the other side into the water outlet pipe 32 for discharge; the flow rate flowing through the throttle 3 is controlled by the throttle valve 35, and the extension and retraction of the lifting column 345 is controlled by the throttle valve 35, and the sealing plate 344 and the flow limiting cylinder 343 connected thereto are driven to rise and fall by the lifting column 345, so as to control the overlapping area between the flow limiting cylinder 343 and the water pipe wall 342, thereby controlling the flow rate of the water flow.

Claims

1. A stainless steel heat exchange tube with a throttling function, comprising an inlet connecting tube (1), a heat exchange tube (4) and an outlet connecting tube (6), Features: One end of the inlet connecting pipe (1) is connected to an inlet connecting head (11), and the heat exchange pipe (4) is arranged at an end of the inlet connecting pipe (1) away from the inlet connecting head (11), the outer side of the heat exchange pipe (4) is connected to multiple groups of pipeline fixing plates (5), and the heat exchange pipe (4) has multiple sections of bends between the multiple groups of pipeline fixing plates (5), the outlet connecting pipe (6) is arranged at an end of the heat exchange pipe (4) away from the inlet connecting pipe (1), the end of the outlet connecting pipe (6) away from the heat exchange pipe (4) is connected to an outlet connecting head (61), and the inlet connecting pipe (1) and the outlet connecting pipe (6) are both connected to a flow meter (2) and a throttle (3), the flow meter (2) is arranged on a side of the throttle (3) away from the heat exchange pipe (4), and the two ends of the heat exchange pipe (4) are respectively connected to two groups of throttles (3).

2. A stainless steel heat exchange tube with throttling function according to claim 1, Features: A plurality of groups of grooves (42) are arranged on the outside of the heat exchange tube (4), a plurality of groups of flow limiting plates (41) are arranged inside the heat exchange tube (4), and the plurality of groups of flow limiting plates (41) are arranged inversely to each other, the flow limiting plates (41) comprise a tube sleeve (411) and a flow limiting baffle (412), the flow limiting baffle (412) is arranged inside the tube sleeve (411), and a hole (413) is provided on the flow limiting baffle (412).

3. The stainless steel heat exchange tube with throttling function according to claim 1, Features: A water inlet pipe (31) and a water outlet pipe (32) are respectively arranged on both sides of the throttle (3); a partition plate (33) is arranged inside the throttle (3); and the partition plate (33) divides the inside of the throttle (3) into two groups of cavities (36) in equal parts; the two groups of cavities (36) are respectively connected to the water inlet pipe (31) and the water outlet pipe (32).

4. The stainless steel heat exchange tube with throttling function according to claim 1, Features: A throttle valve (35) is provided at the top of the throttle (3), and a valve core (34) is connected to the bottom of the throttle valve (35). The valve core (34) comprises a flow pipe (341), a water pipe wall (342), and a flow limiting cylinder (343).

5. The stainless steel heat exchange tube with throttling function according to claim 4, Features: The circulation pipe (341) is connected to the center position of the partition plate (33), and the water pipe wall (342) is connected to the top of the circulation pipe (341). The flow limiting cylinder (343) is inserted into the water pipe wall (342), and a sealing plate (344) is provided on the top of the flow limiting cylinder (343). A lifting column (345) is connected to the top of the sealing plate (344), and the lifting column (345) is connected to the inside of the throttle valve (35).

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