Methanol waste heat vaporizer

Abstract

The utility model discloses a methanol waste heat vaporizer which comprises a heat exchange tank, the two sides of the bottom end of the heat exchange tank are fixedly connected with supports, one side of the heat exchange tank is provided with a right box pipe, the top end of the right box pipe is fixedly connected with an air inlet, the other side of the heat exchange tank is provided with a left box pipe, and the left box pipe is fixedly connected with an air outlet. The two ends of the left box pipe are fixedly connected with air outlets. According to the waste heat vaporizer, by arranging the right box pipe, the gas inlet, the flash tank, the communicating pipe, the gas outlet and the left box pipe, when waste gas is treated, high-temperature waste gas is guided in through the gas inlet, needed low-temperature liquid is guided into the heat exchange tank, and after the high-temperature waste gas exchanges heat with the low-temperature liquid, the liquid is evaporated and enters the flash tank through the communicating pipe to achieve flash evaporation; and after flash evaporation is completed, a pipeline arranged at the top end of the flash evaporation tank can be opened to rapidly collect gas, finally waste gas is guided into the left box pipe, the gas is exhausted through a gas outlet, and the problem that waste heat cannot be rapidly utilized is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a methanol waste heat vaporizer. Background Art

[0002] In the process of industrial production, it is inevitable to produce some waste gas. These industrial waste gases are not only hot and corrosive, but also cause serious air pollution if discharged directly. Therefore, the treatment of industrial waste gas is a necessary process in the field of industrial production. Only enterprises that can treat industrial waste gas can carry out normal production work.

[0003] However, the waste gas treatment devices currently used in industrial production still have some defects in use. In the process of treating industrial waste gas, the excess heat cannot be quickly utilized, resulting in low energy utilization rate.

[0004] Now a new type of methanol waste heat vaporizer is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the present invention is to provide a methanol waste heat vaporizer to solve the problem in the above background technology that waste heat cannot be quickly utilized.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a methanol waste heat vaporizer, comprising a heat exchange tank, brackets fixedly connected to both sides of the bottom end of the heat exchange tank, a right box pipe provided on one side of the heat exchange tank, an air inlet fixedly connected to the top end of the right box pipe, a left box pipe provided on the other side of the heat exchange tank, air outlets fixedly connected to both ends of the left box pipe, a set of steel liner plates movably connected to both sides of the heat exchange tank, and a flash evaporation structure for quickly utilizing heat provided on the top end of the heat exchange tank;

[0007] The flash evaporation structure includes a flash evaporation tank. The top of the heat exchange tank is provided with a flash evaporation tank, and the bottom end of the flash evaporation tank is fixedly connected with a connecting pipe.

[0008] Preferably, the connecting pipe is fixedly connected to the heat exchange tank, and the connecting pipe is communicated with the interior of the heat exchange tank.

[0009] Preferably, the connecting pipes at the bottom end of the flash tank are arranged at equal intervals, and the connecting pipes are connected to the interior of the flash tank.

[0010] Preferably, support plates are fixedly connected to both sides of the interior of the heat exchange tank, a baffle is movably connected to the interior of the heat exchange tank, a distance tube is fixedly connected to the interior of the baffle, the distance tube passes through the support plate and is movably connected to a fixing nut, the fixing nut is movably connected to the support plate, the baffle is fixedly connected to the interior of a heat exchange tube, the heat exchange tube passes through the steel lining plate and is respectively connected to the interior of the right box tube and the left box tube, the steel lining plate is movably connected to the interior of a compression sleeve, the steel lining plate is movably connected to the interior of the steel lining plate, the steel lining plate is movably connected to the interior of the retaining ring.

[0011] Preferably, the fixing nut is movably connected to the support plate, and the retaining ring is movably connected to the heat exchange tube.

[0012] Preferably, the compression sleeve is movably connected to the heat exchange tube, and the O-ring is movably connected to the heat exchange tube.

[0013] Preferably, a group of second flanges are fixedly connected to both sides of the outside of the heat exchange tank, a group of first flanges are fixedly connected to one side of the outside of the right box tube and the left box tube, a group of PTFE coated gaskets are movably connected to both sides of the steel liner plate, the interior of the steel liner plate is movably connected with connecting screws, the connecting screws pass through the first flange and the second flange and are movably connected with mounting nuts, and a gasket is movably connected to one side of the mounting nut.

[0014] Preferably, the center line of the PTFE sheathed gasket and the center line of the second flange are on the same vertical plane, and the center line of the PTFE sheathed gasket and the center line of the steel liner plate are on the same horizontal plane.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the methanol waste heat vaporizer not only realizes the rapid utilization of waste heat and more sufficient heat exchange, but also improves the internal sealing to prevent gas leakage;

[0016] (1) By providing a right box pipe, an air inlet, a flash tank, a connecting pipe, an air outlet and a left box pipe, when the waste gas is treated, the high-temperature waste gas is introduced through the air inlet, and then the required low-temperature methanol liquid is introduced into the heat exchange tank. After the high-temperature waste gas exchanges heat with the low-temperature methanol liquid, the methanol liquid evaporates and enters the interior of the flash tank through the connecting pipe to realize flash evaporation. After the flash evaporation is completed, the pipeline set at the top of the flash tank can be opened to quickly collect the gas. Finally, the waste gas is introduced into the interior of the left box pipe and discharged through the air outlet, thereby realizing the rapid utilization of waste heat;

[0017] (2) By providing a support plate, a baffle, a distance tube, a fixing nut and a heat exchange tube, when the exhaust gas is processed, after the high-temperature exhaust gas enters the interior of the right box tube, the exhaust gas is then introduced into the interior of the heat exchange tube connected to the interior of the right box tube. While the exhaust gas passes through the interior of the heat exchange tube, it can quickly exchange heat with the low-temperature liquid inside the heat exchange tank, and the baffle inside the heat exchange tank can increase the liquid circulation distance, thereby increasing the heat exchange time and enhancing the heat exchange effect. The support plates on both sides of the heat exchange tank can support the baffles through the distance tube to improve the stability of the baffles, thereby achieving an enhanced heat exchange effect;

[0018] (3) A first flange, a steel liner plate, a PTFE-coated gasket, a connecting screw, a gasket, a mounting nut, a second flange, an O-ring and a retaining ring are provided. A steel liner plate is installed between the first flange and the second flange of the device. The connecting screw inside the steel liner plate passes through the first flange and the second flange on both sides respectively, and the mounting nut is sleeved on the outside of the connecting screw and tightened to position the steel liner plate. The PTFE-coated gaskets on both sides of the steel liner plate are respectively attached to the sealing between the heat exchange tank and the right box pipe and the left box pipe. The O-ring and retaining ring are installed inside the steel liner plate and attached to the outside of the heat exchange pipe to also improve the sealing effect, thereby effectively improving the sealing inside the device and preventing air leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0020] Figure 2 This is a side structural diagram of the left box tube of the present invention;

[0021] Figure 3 For the utility model Figure 1 A in the middle is an enlarged structural diagram;

[0022] Figure 4 For the utility model Figure 1 Enlarged structural diagram at point B in the middle.

[0023] In the figure: 1. heat exchange tank; 2. right box pipe; 3. air inlet; 4. flash tank; 5. connecting pipe; 6. air outlet; 7. left box pipe; 8. support plate; 9. baffle; 10. distance pipe; 11. bracket; 12. fixing nut; 13. heat exchange tube; 14. first flange; 15. steel liner plate; 16. PTFE coated gasket; 17. connecting screw; 18. gasket; 19. mounting nut; 20. second flange; 21. compression sleeve; 22. O-ring; 23. retaining ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example 1: Please refer to Figure 1-4 A methanol waste heat vaporizer includes a heat exchange tank 1, with brackets 11 fixedly connected to both sides of the bottom end of the heat exchange tank 1, a right box pipe 2 is provided on one side of the heat exchange tank 1, and an air inlet 3 is fixedly connected to the top end of the right box pipe 2, a left box pipe 7 is provided on the other side of the heat exchange tank 1, and both ends of the left box pipe 7 are fixedly connected to the air outlet 6, a group of steel liner plates 15 are movably connected to both sides of the heat exchange tank 1, and a flash evaporation structure for quickly utilizing heat is provided on the top end of the heat exchange tank 1;

[0026] The flash evaporation structure includes a flash evaporation tank 4. The top of the heat exchange tank 1 is provided with the flash evaporation tank 4. The bottom of the flash evaporation tank 4 is fixedly connected with a connecting pipe 5.

[0027] The connecting pipe 5 is fixedly connected to the heat exchange tank 1, and the connecting pipe 5 is connected to the interior of the heat exchange tank 1;

[0028] The connecting pipes 5 at the bottom of the flash tank 4 are arranged at equal intervals, and the connecting pipes 5 are connected to the interior of the flash tank 4;

[0029] Specifically, if Figure 1 and Figure 2 As shown, when the exhaust gas is treated, the high-temperature exhaust gas is introduced through the air inlet 3, and then the required low-temperature methanol liquid is introduced into the heat exchange tank 1. After the high-temperature exhaust gas exchanges heat with the low-temperature methanol liquid, the methanol liquid evaporates and enters the interior of the flash tank 4 through the connecting pipe 5 to realize flash evaporation. After the flash evaporation is completed, the pipeline set at the top of the flash tank 4 can be opened to quickly collect the gas. Finally, the exhaust gas is introduced into the interior of the left box pipe 7 and the gas is discharged through the outlet 6, thereby realizing the rapid utilization of waste heat.

[0030] Example 2: Support plates 8 are fixedly connected to both sides of the interior of the heat exchange tank 1, baffles 9 are movably connected to the interior of the heat exchange tank 1, and a distance tube 10 is fixedly connected to the interior of the baffle 9. The distance tube 10 passes through the support plate 8 and is movably connected to a fixing nut 12. The fixing nut 12 is movably connected to the support plate 8. A heat exchange tube 13 is fixedly connected to the interior of the baffle 9. The heat exchange tube 13 passes through a steel liner plate 15 and is respectively connected to the interior of the right box tube 2 and the left box tube 7. A press sleeve 21 is movably connected to the interior of the steel liner plate 15, an O-ring 22 is movably connected to the interior of the steel liner plate 15, and a retaining ring 23 is movably connected to the interior of the steel liner plate 15;

[0031] The fixing nut 12 is movably connected to the support plate 8, and the retaining ring 23 is movably connected to the heat exchange tube 13;

[0032] The compression sleeve 21 is movably connected to the heat exchange tube 13, and the O-ring 22 is movably connected to the heat exchange tube 13;

[0033] Specifically, if Figure 1 and Figure 4 As shown, when the exhaust gas is treated, after the high-temperature exhaust gas enters the interior of the right box pipe 2, the exhaust gas is then introduced into the heat exchange tube 13 connected to the interior of the right box pipe 2. While the exhaust gas passes through the interior of the heat exchange tube 13, it can quickly exchange heat with the low-temperature liquid inside the heat exchange tank 1, and the baffle 9 inside the heat exchange tank 1 can increase the liquid circulation distance, thereby increasing the heat exchange time to enhance the heat exchange effect. The support plates 8 on both sides of the heat exchange tank 1 can support the baffle 9 through the distance tube 10 to improve the stability of the baffle 9, thereby enhancing the heat exchange effect.

[0034] Example 3: A set of second flanges 20 are fixedly connected to both sides of the exterior of the heat exchange tank 1, a set of first flanges 14 are fixedly connected to one side of the exterior of the right box tube 2 and the left box tube 7, a set of polytetrafluoroethylene-coated gaskets 16 are movably connected to both sides of the steel liner plate 15, a connecting screw 17 is movably connected to the interior of the steel liner plate 15, the connecting screw 17 passes through the first flange 14 and the second flange 20, and is movably connected to a mounting nut 19, and a gasket 18 is movably connected to one side of the mounting nut 19;

[0035] The center line of the PTFE jacketed gasket 16 is on the same vertical plane as the center line of the second flange 20 , and the center line of the PTFE jacketed gasket 16 is on the same horizontal plane as the center line of the steel liner plate 15 ;

[0036] Specifically, if Figure 1 、 Figure 3 and Figure 4 As shown, a steel liner plate 15 is installed between the first flange 14 and the second flange 20 of the device, and the connecting screw 17 inside it passes through the first flange 14 and the second flange 20 on both sides respectively, and the mounting nut 19 is sleeved on the outside of the connecting screw 17 and tightened to position the steel liner plate 15. The PTFE coated gaskets 16 on both sides of the steel liner plate 15 are respectively fitted between the heat exchange tank 1 and the right box pipe 2 and the left box pipe 7 to ensure sealing. The inside of the steel liner plate 15 is installed with an O-ring 22 and a retaining ring 23 that fits on the outside of the heat exchange tube 13 to also improve the sealing effect, thereby effectively improving the sealing inside the device and preventing air leakage.

[0037] Working principle: When the present invention is in use, when treating the exhaust gas, the high-temperature exhaust gas is introduced through the air inlet 3, and then the required low-temperature methanol liquid is introduced into the heat exchange tank 1. After the high-temperature exhaust gas exchanges heat with the low-temperature methanol liquid, the methanol liquid evaporates and enters the interior of the flash tank 4 through the connecting pipe 5 to realize flash evaporation. After the flash evaporation is completed, the pipeline set at the top of the flash tank 4 can be opened to quickly collect the gas. Finally, the exhaust gas is introduced into the interior of the left box pipe 7 and discharged through the air outlet 6. After the high-temperature exhaust gas enters the interior of the right box pipe 2, the exhaust gas is then introduced into the interior of the heat exchange pipe 13 connected to the interior of the right box pipe 2. While passing through the interior of the heat exchange pipe 13, the exhaust gas can quickly exchange heat with the low-temperature liquid inside the heat exchange tank 1, and the baffle 9 inside the heat exchange tank 1 can increase the circulation of the liquid distance, thereby increasing the heat exchange time to enhance the heat exchange effect. The support plates 8 on both sides of the heat exchange tank 1 can support the baffle 9 through the distance tube 10 to improve the stability of the baffle 9. A steel liner plate 15 is installed between the first flange 14 and the second flange 20 of the device. The connecting screw 17 inside it passes through the first flange 14 and the second flange 20 on both sides respectively, and the mounting nut 19 is sleeved on the outside of the connecting screw 17 and tightened to position the steel liner plate 15. The PTFE coated gaskets 16 on both sides of the steel liner plate 15 are respectively fitted between the heat exchange tank 1 and the right box pipe 2 and the left box pipe 7 for sealing. The steel liner plate 15 is installed with an O-ring 22 and a retaining ring 23 fitted on the outside of the heat exchange tube 13 to also improve the sealing effect.

Claims

1. A methanol waste heat vaporizer, comprising a heat exchange tank (1), characterized in that: The two sides of the bottom end of the heat exchange tank (1) are fixedly connected with brackets (11), one side of the heat exchange tank (1) is provided with a right box pipe (2), the top end of the right box pipe (2) is fixedly connected with an air inlet (3), the other side of the heat exchange tank (1) is provided with a left box pipe (7), the two ends of the left box pipe (7) are fixedly connected with an air outlet (6), and the two sides of the heat exchange tank (1) are movably connected with a group of steel liner plates (15), and the top end of the heat exchange tank (1) is provided with a flash evaporation structure for quickly utilizing heat; The flash evaporation structure comprises a flash evaporation tank (4), the top end of the heat exchange tank (1) is provided with the flash evaporation tank (4), and the bottom end of the flash evaporation tank (4) is fixedly connected with a connecting pipe (5).

2. A methanol waste heat vaporizer according to claim 1, characterized in that: The connecting pipe (5) is fixedly connected to the heat exchange tank (1), and the connecting pipe (5) is communicated with the interior of the heat exchange tank (1).

3. The methanol waste heat vaporizer according to claim 1, characterized in that: The connecting pipes (5) at the bottom end of the flash tank (4) are arranged at equal intervals, and the connecting pipes (5) are connected to the interior of the flash tank (4).

4. The methanol waste heat vaporizer according to claim 1, characterized in that: The heat exchange tank (1) is fixedly connected to support plates (8) on both sides thereof, and the heat exchange tank (1) is movably connected to a baffle plate (9) therein, and the baffle plate (9) is fixedly connected to a distance tube (10) therein, and the distance tube (10) passes through the support plate (8) and is movably connected to a fixing nut (12), and the fixing nut (12) is movably connected to the support plate (8), and the baffle plate (9) is fixedly connected to a heat exchange tube (13) therein, and the heat exchange tube (13) passes through a steel lining plate (15) and is respectively connected to the inside of the right box tube (2) and the left box tube (7), and the steel lining plate (15) is movably connected to a compression sleeve (21), and the steel lining plate (15) is movably connected to an O-ring (22), and the steel lining plate (15) is movably connected to a retaining ring (23).

5. The methanol waste heat vaporizer according to claim 4, characterized in that: The fixing nut (12) is movably connected to the support plate (8), and the retaining ring (23) is movably connected to the heat exchange tube (13).

6. The methanol waste heat vaporizer according to claim 4, characterized in that: The compression sleeve (21) is movably connected to the heat exchange tube (13), and the O-ring (22) is movably connected to the heat exchange tube (13).

7. The methanol waste heat vaporizer according to claim 1, characterized in that: A group of second flanges (20) are fixedly connected to both sides of the exterior of the heat exchange tank (1), a group of first flanges (14) are fixedly connected to one side of the exterior of the right box tube (2) and the left box tube (7), a group of polytetrafluoroethylene-coated gaskets (16) are movably connected to both sides of the steel liner plate (15), a connecting screw (17) is movably connected inside the steel liner plate (15), and the connecting screw (17) passes through the first flange (14) and the second flange (20) and is movably connected to a mounting nut (19), and a gasket (18) is movably connected to one side of the mounting nut (19).

8. The methanol waste heat vaporizer according to claim 7, characterized in that: The center line of the PTFE coating gasket (16) and the center line of the second flange (20) are on the same vertical plane, and the center line of the PTFE coating gasket (16) and the center line of the steel liner plate (15) are on the same horizontal plane.

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