Efficient coil pipe type heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, and provides an efficient coil pipe type heat exchanger which comprises a base and a boiling water tank, an installation structure is fixed to the bottom end of the base, a center pipe is installed on the top of the base, a built-in cavity is formed in the center pipe, and the boiling water tank is arranged on the outer side of the bottom of the center pipe. An outer wrapping cylinder is fixed on the outer side of the boiling water tank at the top end of the base. According to the mounting and dismounting structure, the evaporator is arranged in the central pipe, the mounting plate is attached to the inner wall of the central pipe, the bolt extends into the mounting plate and extends into the central pipe, the bolt is tightened, and the evaporator can be fixed to the inner wall of the central pipe through the positioning pipe, the mounting plate and the bolt; according to the efficient coil pipe type heat exchanger, the function that the evaporator is convenient to mount and dismount is achieved, and the use convenience of the efficient coil pipe type heat exchanger is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a high-efficiency coil heat exchanger. Background Art

[0002] With the shortage of energy and the improvement of environmental protection awareness, improving energy efficiency has become an important goal. As a key device for energy utilization, the improvement of heat transfer performance of heat exchangers is crucial to reducing energy consumption. Therefore, it is necessary to design a high-efficiency coil heat exchanger;

[0003] To this end, the patent with publication number CN2219480Y discloses a high-efficiency coil heat exchanger, including a cylinder with an inlet and an outlet, an upper head and a lower head, and a multi-layer heating coil. Its characteristics are: an interlayer coil is provided between the multi-layer heating coil, and its rotation direction is opposite to that of the heating coil; a spiral guide plate is provided between the outermost heating coil and the cylinder. The advantages of this utility model are: it can make the heated water enter and exit tangentially, forming a horizontal flushing of the heating coil, thereby improving the heat exchange efficiency;

[0004] The high-efficiency coil-type heat exchanger mentioned above cannot replace the evaporator, so it is necessary to design a high-efficiency coil-type heat exchanger that can disassemble and assemble the evaporator. Utility Model Content

[0005] The utility model aims to provide a high-efficiency coil-type heat exchanger, so as to solve the defect that the evaporator of the existing high-efficiency coil-type heat exchanger cannot be replaced.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-efficiency coil heat exchanger, comprising a base and a boiling water tank;

[0007] A mounting structure is fixed at the bottom end of the base;

[0008] A central tube is installed on the top of the base, a built-in cavity is arranged inside the central tube, a boiling water tank is arranged outside the bottom of the central tube, an outer tube is fixed outside the boiling water tank at the top of the base, a liquid inlet pipe is fixed on one side inside the boiling water tank, one end of the liquid inlet pipe away from the boiling water tank extends to the outside of the outer tube and is installed with a first mounting plate, and a coil structure is arranged on the outer wall of the central tube above the boiling water tank;

[0009] The coil structure includes a transmission pipe, an evaporator, a drain pipe and a second mounting plate. The transmission pipe is arranged on the outer wall of the central pipe above the boiling water tank. The evaporator is arranged on the top of the built-in cavity. A drain pipe is fixed to one side of the evaporator. One end of the drain pipe away from the evaporator extends to the outside of the outer tube and is fixed to the second mounting plate. A second flange is fixed to the top of the outer tube.

[0010] The evaporator is fixed with a disassembly structure on both sides away from the drain pipe, and the disassembly structure includes a positioning tube, a mounting plate and bolts. The positioning tube is fixed to both sides of the evaporator, and a mounting plate is fixed at one end of the positioning tube away from the evaporator, and bolts are arranged on both sides of the mounting plate.

[0011] Preferably, the mounting structure includes a first connection seat, an expansion seat, a second connection seat and a first flange, wherein the first connection seat is fixed to the bottom end of the base, the bottom end of the first connection seat is fixed with an expansion seat, the bottom end of the expansion seat is fixed with a second connection seat, and the bottom end of the second connection seat is fixed with a first flange, so that the device has the function of convenient disassembly and assembly.

[0012] Preferably, the expansion seat is actually made of stainless steel, the thickness of the expansion seat is about 3 to 4 mm, and the first flange is actually made of carbon steel. Stainless steel is corrosion-resistant and has high strength, while carbon steel has high strength and toughness.

[0013] Preferably, the bottom end of the boiling water tank is fixedly connected to the top end of the base, and the height of the boiling water tank is less than 500 mm.

[0014] Preferably, the internal volume of the boiling water tank is less than 0.03 cubic meters, and the inner wall of the central tube is provided with an aluminum oxide coating and a high temperature resistant sealing coating. The aluminum oxide coating has the advantages of corrosion resistance and good stability.

[0015] Preferably, the top end of the transmission tube passes through the central tube and extends to the inside of the evaporator, and the transmission tube is designed in a spring shape. The spring-shaped design of the transmission tube can increase the heat exchange area and improve the heat transfer effect.

[0016] Preferably, the surface of the transmission pipe is provided with an anti-corrosion high-temperature coating, and the bottom end of the transmission pipe passes through the central pipe and extends to the interior of the boiling water tank.

[0017] Preferably, the diameter of the evaporator is 150 mm, the length of the evaporator is less than 1000 mm, and the surface of the evaporator is provided with an aluminum oxide coating and a high temperature resistant sealing coating. The aluminum oxide coating is corrosion resistant.

[0018] Preferably, the bolts are symmetrically distributed on both sides of the mounting plate, and one end of the bolt passes through the mounting plate and extends into the interior of the central tube, thereby realizing the function of facilitating the installation and removal of the evaporator.

[0019] The high-efficiency coil heat exchanger provided by the utility model has the following advantages:

[0020] By providing a disassembly structure, the evaporator is placed inside the central tube, and the mounting plate and the inner wall of the central tube are fitted together, the bolts are inserted into the mounting plate and extended to the inside of the central tube, and the bolts are tightened, so that the evaporator can be fixed to the inner wall of the central tube through the positioning tube, the mounting plate and the bolts, so that the device has the function of facilitating the installation and disassembly of the evaporator, and the convenience of the high-efficiency coil heat exchanger in use is improved;

[0021] By providing a mounting structure, the first connecting seat and the base are fixedly connected, the first flange is moved to the bottom end of the component to be fixed together, the mounting bolt is inserted into the first flange, and tightened, so that the device can be stably mounted on other components, so that the device has the function of convenient disassembly and assembly, and the installation convenience of the high-efficiency coil heat exchanger when in use is improved;

[0022] By providing a coil structure, the liquid enters the boiling water tank through the liquid inlet pipe, the boiling water tank can boil the liquid, and the boiled gas is transported to the inside of the evaporator through the transmission pipe and gradually cooled, which will cause the gas molecules to re-aggregate into a liquid form. The condensed liquid is collected inside the evaporator and can be discharged through the drain pipe for subsequent treatment or reuse. The transmission pipe adopts a compact spring-like design structure, which effectively increases the heat exchange surface area and improves the heat transfer effect, so that the device has the functions of reducing energy consumption, reducing operating costs, and efficiently exchanging heat, thereby improving the working efficiency of the high-efficiency coil heat exchanger when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0025] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0026] Figure 4 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0027] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0028] Explanation of the reference numerals in the figure: 1. base; 2. mounting structure; 201. first connecting seat; 202. expansion seat; 203. second connecting seat; 204. first flange; 3. first mounting plate; 4. liquid inlet pipe; 5. boiling water tank; 6. center pipe; 7. built-in cavity; 8. coil structure; 801. transmission pipe; 802. evaporator; 803. drain pipe; 804. second mounting plate; 9. outer tube; 10. second flange; 11. disassembly and assembly structure; 1101. positioning tube; 1102. mounting plate; 1103. bolt. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-Figure 5 The high-efficiency coil heat exchanger provided by the utility model includes a base 1 and a boiling water tank 5.

[0031] Reference Figure 1 , Figure 2 and Figure 4 A mounting structure 2 is fixed to the bottom end of the base 1, and the mounting structure 2 includes a first connecting seat 201, an expansion seat 202, a second connecting seat 203 and a first flange 204. The first connecting seat 201 is fixed to the bottom end of the base 1, the expansion seat 202 is fixed to the bottom end of the first connecting seat 201, the second connecting seat 203 is fixed to the bottom end of the expansion seat 202, and the first flange 204 is fixed to the bottom end of the second connecting seat 203. The material of the expansion seat 202 is actually stainless steel, the thickness of the expansion seat 202 is about 3 to 4 mm, and the material of the first flange 204 is actually carbon steel.

[0032] By fixing the first connecting seat 201 and the base 1 together, moving the first flange 204 to the bottom of the components that need to be fixed together, inserting the mounting bolt into the first flange 204 and tightening it, the device can be firmly installed on other components.

[0033] Reference Figure 1-Figure 5A central tube 6 is installed on the top of the base 1, and the inner wall of the central tube 6 is provided with an alumina coating and a high-temperature resistant sealing coating. A built-in cavity 7 is provided inside the central tube 6, and a boiling water tank 5 is provided on the outside of the bottom of the central tube 6. The bottom end of the boiling water tank 5 is fixedly connected to the top of the base 1. The height of the boiling water tank 5 is less than 500 mm, and the internal volume of the boiling water tank 5 is less than 0.03 cubic meters. An outer tube 9 is fixed to the outside of the boiling water tank 5 at the top of the base 1, and a liquid inlet pipe 4 is fixed to one side of the boiling water tank 5. The end of the liquid inlet pipe 4 away from the boiling water tank 5 extends to the outside of the outer tube 9 and is installed with a first mounting plate 3. A coil structure 8 is provided on the outer wall of the central tube 6 above the boiling water tank 5. The coil structure 8 includes a transmission pipe 801, an evaporator 802, a drain pipe 803 and a second mounting plate 804. The transmission pipe 80 1 is arranged on the outer wall of the central tube 6 above the boiling water tank 5, the evaporator 802 is arranged on the top of the built-in cavity 7, a drain pipe 803 is fixed on one side of the evaporator 802, one end of the drain pipe 803 away from the evaporator 802 extends to the outside of the outer tube 9 and is fixed with a second mounting plate 804, the top of the transmission pipe 801 passes through the central tube 6 and extends to the inside of the evaporator 802, the transmission pipe 801 is designed in a spring shape, the surface of the transmission pipe 801 is provided with an anti-corrosion high-temperature coating, the bottom end of the transmission pipe 801 passes through the central tube 6 and extends to the inside of the boiling water tank 5, the diameter of the evaporator 802 is 150 mm, the length of the evaporator 802 is less than 1000 mm, the surface of the evaporator 802 is provided with an aluminum oxide coating and a high-temperature resistant sealing coating, and the top of the outer tube 9 is fixed with a second flange 10.

[0034] The liquid enters the boiling water tank 5 through the liquid inlet pipe 4, and the boiling water tank 5 can make the liquid boil. The boiled gas is transported to the inside of the evaporator 802 through the transmission pipe 801 and gradually cooled, which will cause the gas molecules to re-aggregate into a liquid form. The condensed liquid is collected in the inside of the evaporator 802 and can be discharged through the drain pipe 803 for subsequent processing or reuse. The transmission pipe 801 adopts a compact spring-like design structure, which effectively increases the heat exchange surface area and improves the heat transfer effect.

[0035] Reference Figure 3 A disassembly structure 11 is fixed on both sides of the evaporator 802 away from the drain pipe 803. The disassembly structure 11 includes a positioning tube 1101, a mounting plate 1102 and bolts 1103. The positioning tube 1101 is fixed on both sides of the evaporator 802. The mounting plate 1102 is fixed on one end of the positioning tube 1101 away from the evaporator 802. Bolts 1103 are arranged on both sides of the mounting plate 1102. The bolts 1103 are symmetrically distributed on both sides of the mounting plate 1102. One end of the bolt 1103 passes through the mounting plate 1102 and extends to the inside of the center tube 6.

[0036] Place the evaporator 802 into the interior of the central tube 6, and fit the mounting plate 1102 and the inner wall of the central tube 6 together, insert the bolts 1103 into the interior of the mounting plate 1102 and extend the bolts 1103 to the interior of the central tube 6, tighten the bolts 1103, and the evaporator 802 can be fixed to the inner wall of the central tube 6 through the positioning tube 1101, the mounting plate 1102 and the bolts 1103.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-efficiency coil heat exchanger, comprising a base (1) and a boiling water tank (5); Features: A mounting structure (2) is fixed to the bottom end of the base (1); A central tube (6) is installed on the top of the base (1), a built-in cavity (7) is arranged inside the central tube (6), a boiling water tank (5) is arranged on the outside of the bottom of the central tube (6), an outer tube (9) is fixed on the outside of the boiling water tank (5) at the top of the base (1), a liquid inlet pipe (4) is fixed on one side of the inside of the boiling water tank (5), one end of the liquid inlet pipe (4) away from the boiling water tank (5) extends to the outside of the outer tube (9) and is installed with a first mounting plate (3), and a coil structure (8) is arranged on the outer wall of the central tube (6) above the boiling water tank (5); The coil structure (8) comprises a transmission pipe (801), an evaporator (802), a drain pipe (803) and a second mounting plate (804); the transmission pipe (801) is arranged on the outer wall of the central pipe (6) above the boiling water tank (5); the evaporator (802) is arranged on the top of the built-in cavity (7); a drain pipe (803) is fixed to one side of the evaporator (802); an end of the drain pipe (803) away from the evaporator (802) extends to the outside of the outer tube (9) and is fixed to the second mounting plate (804); and a second flange (10) is fixed to the top of the outer tube (9); The evaporator (802) is fixed with a disassembly structure (11) on both sides away from the drain pipe (803), and the disassembly structure (11) comprises a positioning tube (1101), a mounting plate (1102) and bolts (1103). The positioning tube (1101) is fixed to both sides of the evaporator (802), and the mounting plate (1102) is fixed to one end of the positioning tube (1101) away from the evaporator (802), and bolts (1103) are provided on both sides of the mounting plate (1102).

2. The high-efficiency coil heat exchanger according to claim 1, characterized in that: The mounting structure (2) comprises a first connecting seat (201), an expansion seat (202), a second connecting seat (203) and a first flange (204); the first connecting seat (201) is fixed to the bottom end of the base (1); the expansion seat (202) is fixed to the bottom end of the first connecting seat (201); the second connecting seat (203) is fixed to the bottom end of the expansion seat (202); and the first flange (204) is fixed to the bottom end of the second connecting seat (203).

3. The high-efficiency coil heat exchanger according to claim 2, characterized in that: The material of the expansion seat (202) is actually stainless steel, the thickness of the expansion seat (202) is about 3 to 4 mm, and the material of the first flange (204) is actually carbon steel.

4. The high-efficiency coil heat exchanger according to claim 1, characterized in that: The bottom end of the boiling water tank (5) is fixedly connected to the top end of the base (1), and the height of the boiling water tank (5) is less than 500 mm.

5. The high-efficiency coil heat exchanger according to claim 1, characterized in that: The internal volume of the boiling water tank (5) is less than 0.03 cubic meters, and the inner wall of the central tube (6) is provided with an aluminum oxide coating and a high-temperature resistant sealing coating.

6. The high-efficiency coil heat exchanger according to claim 1, characterized in that: The top end of the transmission tube (801) passes through the central tube (6) and extends to the inside of the evaporator (802), and the transmission tube (801) is designed in a spring shape.

7. The high-efficiency coil heat exchanger according to claim 1, characterized in that: The surface of the transmission pipe (801) is provided with an anti-corrosion high-temperature coating film, and the bottom end of the transmission pipe (801) passes through the central pipe (6) and extends to the interior of the boiling water tank (5).

8. The high-efficiency coil heat exchanger according to claim 1, characterized in that: The diameter of the evaporator (802) is 150 mm, the length of the evaporator (802) is less than 1000 mm, and the surface of the evaporator (802) is provided with an aluminum oxide coating and a high-temperature resistant sealing coating.

9. The high-efficiency coil heat exchanger according to claim 1, characterized in that: The bolts (1103) are symmetrically distributed on both sides of the mounting plate (1102), and one end of the bolt (1103) passes through the mounting plate (1102) and extends to the inside of the central tube (6).

Images