Butyrolactone cooling equipment

Abstract

The utility model relates to the technical field of butyrolactone cooling, in particular to butyrolactone cooling equipment, which is characterized in that a heat exchange medium is cooled by a cooling mechanism, then the heat exchange medium and butyrolactone are discharged into a heat exchange mechanism, the butyrolactone is cooled and condensed by the heat exchange medium, and when the interior of the heat exchange mechanism is broken, the butyrolactone is cooled and condensed by the heat exchange mechanism. The broken position is sealed through the sealing mechanism, so that the equipment keeps normal operation in a short time, pollution and waste of butyrolactone are reduced, and the practicability of the equipment is improved; comprising a heat exchange mechanism; the device further comprises a plurality of sealing mechanisms and a cooling mechanism, the heat exchange mechanism is installed on the cooling mechanism, and the sealing mechanisms are all installed in the heat exchange mechanism. The heat exchange mechanism is matched with the cooling mechanism to cool and condense butyrolactone gas, and the sealing mechanism is used for sealing a broken part in the heat exchange mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of butyrolactone cooling, in particular to butyrolactone cooling equipment. Background Art

[0002] Butyrolactone, whose chemical name is ethyl butyrate, is an organic compound used as a solvent, fragrance and chemical intermediate in industry. Butyrolactone needs to be cooled during its preparation process. Generally, it is cooled by a condenser for γ-butyrolactone production disclosed in the invention patent shell and tube heat exchanger with application number 201811141329.4 and the utility model patent with application number 202022242725.5, etc., to condense the butyrolactone gas.

[0003] However, it was found during use that the existing cooling equipment has a relatively simple structure. When the inner tube of the equipment breaks, it is not convenient to quickly seal the rupture and allow the equipment to continue working. This can easily cause contamination of butyrolactone during the cooling process, resulting in poor practicality. Therefore, a butyrolactone cooling device is urgently needed to improve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a butyrolactone cooling device which cools the heat exchange medium by a cooling mechanism, and then discharges the heat exchange medium and butyrolactone into the heat exchange mechanism, so that the heat exchange medium cools and condenses the butyrolactone, and when a rupture occurs inside the heat exchange mechanism, the rupture position is sealed by a sealing mechanism, so that the equipment can maintain normal operation in a short time, reduce the pollution and waste of butyrolactone, and thus improve the practicality of the equipment.

[0005] The utility model discloses a butyrolactone cooling device, comprising a heat exchange mechanism; and also comprising a plurality of sealing mechanisms and a cooling mechanism, wherein the heat exchange mechanism is installed on the cooling mechanism, and the plurality of sealing mechanisms are installed in the heat exchange mechanism;

[0006] The heat exchange mechanism cooperates with the cooling mechanism to cool and condense the butyrolactone gas, and the sealing mechanism seals the rupture in the heat exchange mechanism;

[0007] The heat exchange medium is cooled by a cooling mechanism, and then both the heat exchange medium and butyrolactone are discharged into the heat exchange mechanism, so that the heat exchange medium cools and condenses the butyrolactone, and when a rupture occurs inside the heat exchange mechanism, the rupture position is sealed by a sealing mechanism, so that the equipment can maintain normal operation in a short time, reduce the pollution and waste of butyrolactone, and thus improve the practicability of the equipment.

[0008] Preferably, the heat exchange mechanism comprises a cooling shell, two groups of sealing plates, multiple groups of heat exchange tubes, a first sealing shell, a second sealing shell, a feed valve, an exhaust valve, a discharge valve, a water inlet valve and a drain valve, one end of the two groups of sealing plates are respectively mounted on the left end and the right end of the cooling shell, the first sealing shell and the second sealing shell are respectively mounted on the other ends of the two groups of sealing plates, and the two groups of heat exchange tubes are respectively communicated with the inside of the first sealing shell and the second sealing shell, the feed valve and the exhaust valve are both mounted on the top of the cooling shell, the discharge valve is mounted on the bottom of the cooling shell, and the water inlet valve is mounted on the second sealing shell. On the sealing shell, the drain valve is installed on the first sealed shell; the butyrolactone gas is discharged from the cooling shell through the feed valve, and the heat exchange medium is discharged into the second sealed shell through the water inlet valve, so that the heat exchange medium enters into multiple groups of heat exchange tubes, and the butyrolactone gas in the cooling shell is cooled and condensed by the heat exchange medium flowing in the multiple groups of heat exchange tubes. After that, the heat exchange medium in the multiple groups of heat exchange tubes enters the first sealed shell and is discharged through the drain valve, and the condensed butyrolactone is discharged through the discharge valve, and the remaining gas is discharged through the exhaust valve, thereby improving the practicability of the equipment.

[0009] Preferably, the sealing mechanism comprises a telescopic tube, a support tube, an airbag, a first electrically controlled valve and a second electrically controlled valve, one end of the telescopic tube is mounted on the right end of the heat exchange tube, the support tube is mounted on the other end of the telescopic tube, the first electrically controlled valve is mounted inside the support tube, the airbag is sleeved on the support tube, and the first electrically controlled valve is communicated with the inside of the airbag, an effervescent agent is arranged inside the airbag, and the second electrically controlled valve is mounted on the left end of the support tube; in daily use, the heat exchange medium enters the heat exchange tube and passes through the telescopic tube, the support tube and the second electrically controlled valve in sequence, When the heat exchange tube is ruptured, the second electrically controlled valve is closed and the heat exchange medium is continuously rushed into the telescopic tube. The telescopic tube is stretched and the support tube is moved to the rupture position. The first electrically controlled valve is opened to allow part of the heat exchange medium to flow into the airbag. The first electrically controlled valve is then closed to allow the heat exchange medium to react with the effervescent agent to generate a large amount of carbon dioxide, which expands the airbag to seal the rupture position of the heat exchange tube. The second electrically controlled valve is then opened to allow the heat exchange medium to pass through the second electrically controlled valve and continue to flow inside the heat exchange tube, thereby improving the practicability of the equipment.

[0010] Preferably, a camera is provided on the second electric control valve; the camera is used to photograph the interior of the heat exchange tube, which facilitates staff to observe the interior of the heat exchange tube, thereby improving the practicability of the equipment.

[0011] Preferably, the cooling mechanism includes a cooling box, a refrigerator, a circulating pump, a water inlet pipe, a drain pipe and multiple stirring mechanisms, the refrigerator and the circulating pump are both installed on the cooling box, and the refrigeration end of the refrigerator and the water suction port of the circulating pump are both extended to the interior of the cooling box, one end of the water inlet pipe is installed on the drain port of the circulating pump, the other end of the water inlet pipe is installed on the water inlet valve, one end of the drain pipe is installed on the cooling box, the other end of the drain pipe is installed on the drain valve, and the multiple stirring mechanisms are all installed on the cooling box; the heat exchange medium in the cooling box is stirred by the multiple stirring mechanisms, the heat exchange medium in the cooling box is cooled by the refrigerator, and then the circulating pump is turned on to discharge the cooled heat exchange medium into the multiple heat exchange pipes to cool the butyrolactone gas, and then the heat exchange medium discharged from the multiple heat exchange pipes is discharged back to the cooling box through the drain pipe for cooling again and recycled, thereby improving the practicality of the equipment.

[0012] Preferably, the stirring mechanism includes a driving motor and a stirring shaft, the driving motor is installed on the cooling box, the stirring shaft is installed in the cooling box, and the front end of the stirring shaft is connected to the output shaft of the driving motor; the driving motor is turned on to rotate the stirring shaft to stir the heat exchange medium in the cooling box, so that the refrigeration end of the refrigerator can evenly cool the heat exchange medium in the cooling box, thereby improving the practicability of the equipment.

[0013] Preferably, a scraper is further included, which is installed at the left end of the second electrically controlled valve; when the second electrically controlled valve moves inside the heat exchange tube, impurities on the inner wall of the heat exchange tube are scraped off by the scraper, thereby improving the practicability of the equipment.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the heat exchange medium is cooled by a cooling mechanism, and then both the heat exchange medium and butyrolactone are discharged into the heat exchange mechanism, so that the heat exchange medium cools and condenses the butyrolactone, and when a rupture occurs inside the heat exchange mechanism, the rupture position is sealed by a sealing mechanism, so that the equipment can maintain normal operation in a short time, reduce the pollution and waste of butyrolactone, and thus improve the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0016] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0017] Figure 3 It is a front view structural schematic diagram of the utility model;

[0018] Figure 4 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 5It is a front view cross-sectional enlarged structural schematic diagram of the sealing mechanism of the utility model.

[0020] Markings in the attached drawings: 1. cooling shell; 2. sealing plate; 3. heat exchange tube; 4. first sealing shell; 5. second sealing shell; 6. feed valve; 7. exhaust valve; 8. discharge valve; 9. water inlet valve; 10. drain valve; 11. telescopic tube; 12. support tube; 13. airbag; 14. first electric-controlled valve; 15. second electric-controlled valve; 16. camera; 17. cooling box; 18. refrigerator; 19. circulation pump; 20. water inlet pipe; 21. drain pipe; 22. drive motor; 23. stirring shaft; 24. scraper. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0022] It includes a heat exchange mechanism; it also includes multiple sets of sealing mechanisms and cooling mechanisms, the heat exchange mechanism is installed on the cooling mechanism, and the multiple sets of sealing mechanisms are installed in the heat exchange mechanism;

[0023] The heat exchange mechanism cooperates with the cooling mechanism to cool and condense the butyrolactone gas, and the sealing mechanism seals the rupture in the heat exchange mechanism;

[0024] The heat exchange mechanism comprises a cooling shell 1, two groups of sealing plates 2, multiple groups of heat exchange tubes 3, a first sealing shell 4, a second sealing shell 5, a feed valve 6, an exhaust valve 7, a discharge valve 8, a water inlet valve 9 and a drain valve 10, one end of the two groups of sealing plates 2 are respectively installed on the left end and the right end of the cooling shell 1, the first sealing shell 4 and the second sealing shell 5 are respectively installed on the other ends of the two groups of sealing plates 2, and the two groups of heat exchange tubes 3 are respectively communicated with the inside of the first sealing shell 4 and the second sealing shell 5, the feed valve 6 and the exhaust valve 7 are both installed on the top of the cooling shell 1, the discharge valve 8 is installed on the bottom of the cooling shell 1, the water inlet valve 9 is installed on the second sealing shell 5, and the drain valve 10 is installed on the first sealing shell 4;

[0025] The sealing mechanism includes a telescopic tube 11, a support tube 12, an airbag 13, a first electrically controlled valve 14 and a second electrically controlled valve 15. One end of the telescopic tube 11 is mounted on the right end of the heat exchange tube 3, the support tube 12 is mounted on the other end of the telescopic tube 11, the first electrically controlled valve 14 is mounted inside the support tube 12, the airbag 13 is sleeved on the support tube 12, and the first electrically controlled valve 14 is communicated with the inside of the airbag 13, an effervescent agent is arranged inside the airbag 13, and the second electrically controlled valve 15 is mounted on the left end of the support tube 12;

[0026] The second electrically controlled valve 15 is provided with a camera 16;

[0027] It also includes a scraper 24, which is installed at the left end of the second electric control valve 15;

[0028] The butyrolactone gas is discharged from the cooling shell 1 through the feed valve 6, and the heat exchange medium is discharged into the second sealed shell 5 through the water inlet valve 9, so that the heat exchange medium enters the multiple groups of heat exchange tubes 3, and passes through the telescopic tube 11, the support tube 12 and the second electric control valve 15 in sequence, and the butyrolactone gas in the cooling shell 1 is cooled and condensed by the heat exchange medium flowing in the multiple groups of heat exchange tubes 3. After that, the heat exchange medium in the multiple groups of heat exchange tubes 3 enters the first sealed shell 4, and then is discharged through the drain valve 10, and the condensed butyrolactone is discharged through the discharge valve 8, and the remaining gas is discharged through the exhaust valve 7. When the heat exchange tube 3 is broken, the interior of the heat exchange tube 3 is photographed by the camera 16. The second electrically controlled valve 15 is closed, and the heat exchange medium is continuously rushed into the telescopic tube 11. The telescopic tube 11 is stretched to move the support tube 12 to the rupture position. The first electrically controlled valve 14 is opened to allow part of the heat exchange medium to flow into the air bag 13. The first electrically controlled valve 14 is then closed to allow the heat exchange medium to react with the effervescent agent to generate a large amount of carbon dioxide, so that the air bag 13 expands to seal the rupture position of the heat exchange tube 3. Thereafter, the second electrically controlled valve 15 is opened to allow the heat exchange medium to pass through the second electrically controlled valve 15. When the second electrically controlled valve 15 moves inside the heat exchange tube 3, the scraper 24 is used to scrape off the impurities on the inner wall of the heat exchange tube 3, and the heat exchange medium continues to flow inside the heat exchange tube 3, thereby improving the practicability of the equipment. Example 2

[0029] like Figures 1 to 5 As shown, it includes a heat exchange mechanism; it also includes multiple sets of sealing mechanisms and cooling mechanisms, the heat exchange mechanism is installed on the cooling mechanism, and the multiple sets of sealing mechanisms are installed in the heat exchange mechanism;

[0030] The heat exchange mechanism cooperates with the cooling mechanism to cool and condense the butyrolactone gas, and the sealing mechanism seals the rupture in the heat exchange mechanism;

[0031] The heat exchange mechanism comprises a cooling shell 1, two groups of sealing plates 2, multiple groups of heat exchange tubes 3, a first sealing shell 4, a second sealing shell 5, a feed valve 6, an exhaust valve 7, a discharge valve 8, a water inlet valve 9 and a drain valve 10, one end of the two groups of sealing plates 2 are respectively installed on the left end and the right end of the cooling shell 1, the first sealing shell 4 and the second sealing shell 5 are respectively installed on the other ends of the two groups of sealing plates 2, and the two groups of heat exchange tubes 3 are respectively communicated with the inside of the first sealing shell 4 and the second sealing shell 5, the feed valve 6 and the exhaust valve 7 are both installed on the top of the cooling shell 1, the discharge valve 8 is installed on the bottom of the cooling shell 1, the water inlet valve 9 is installed on the second sealing shell 5, and the drain valve 10 is installed on the first sealing shell 4;

[0032] The sealing mechanism includes a telescopic tube 11, a support tube 12, an airbag 13, a first electrically controlled valve 14 and a second electrically controlled valve 15. One end of the telescopic tube 11 is mounted on the right end of the heat exchange tube 3, the support tube 12 is mounted on the other end of the telescopic tube 11, the first electrically controlled valve 14 is mounted inside the support tube 12, the airbag 13 is sleeved on the support tube 12, and the first electrically controlled valve 14 is communicated with the inside of the airbag 13, an effervescent agent is arranged inside the airbag 13, and the second electrically controlled valve 15 is mounted on the left end of the support tube 12;

[0033] The second electrically controlled valve 15 is provided with a camera 16;

[0034] The cooling mechanism includes a cooling box 17, a refrigerator 18, a circulating pump 19, a water inlet pipe 20, a drain pipe 21 and a plurality of stirring mechanisms. The refrigerator 18 and the circulating pump 19 are both installed on the cooling box 17, and the cooling end of the refrigerator 18 and the water suction port of the circulating pump 19 are both extended to the interior of the cooling box 17. One end of the water inlet pipe 20 is installed on the drain port of the circulating pump 19, and the other end of the water inlet pipe 20 is installed on the water inlet valve 9. One end of the drain pipe 21 is installed on the cooling box 17, and the other end of the drain pipe 21 is installed on the drain valve 10. The plurality of stirring mechanisms are installed on the cooling box 17;

[0035] The stirring mechanism includes a driving motor 22 and a stirring shaft 23. The driving motor 22 is installed on the cooling box 17. The stirring shaft 23 is installed in the cooling box 17. The front end of the stirring shaft 23 is connected to the output shaft of the driving motor 22.

[0036] It also includes a scraper 24, which is installed at the left end of the second electric control valve 15;

[0037] The driving motor 22 is turned on to rotate the stirring shaft 23 to stir the heat exchange medium in the cooling box 17, and the butyrolactone gas is discharged from the cooling shell 1 through the feed valve 6. At the same time, the heat exchange medium in the cooling box 17 is cooled by the refrigerator 18, and then the circulation pump 19 is turned on to discharge the cooled heat exchange medium into the multiple groups of heat exchange tubes 3, and sequentially passes through the telescopic tube 11, the support tube 12 and the second electric control valve 15, and the butyrolactone gas in the cooling shell 1 is cooled and condensed by the heat exchange medium flowing in the multiple groups of heat exchange tubes 3. Then, the heat exchange medium in the multiple groups of heat exchange tubes 3 enters the first sealed shell 4, and then the heat exchange medium discharged from the multiple groups of heat exchange tubes 3 is discharged back to the cooling box 17 through the drain pipe 21 for cooling again and recycling, and the condensed butyrolactone is discharged through the discharge valve 8, and the remaining gas is discharged. The heat exchange medium is discharged through the exhaust valve 7. When the heat exchange tube 3 is broken, the camera 16 is used to shoot the inside of the heat exchange tube 3. By closing the second electrically controlled valve 15, the heat exchange medium is continuously rushed into the telescopic tube 11. The telescopic tube 11 is stretched to move the support tube 12 to the broken position. The first electrically controlled valve 14 is opened to allow part of the heat exchange medium to flow into the airbag 13. The first electrically controlled valve 14 is then closed to allow the heat exchange medium to react with the effervescent agent to generate a large amount of carbon dioxide. The airbag 13 is expanded to seal the broken position of the heat exchange tube 3. Then the second electrically controlled valve 15 is opened to allow the heat exchange medium to pass through the second electrically controlled valve 15. When the second electrically controlled valve 15 moves inside the heat exchange tube 3, the scraper 24 is used to scrape off the impurities on the inner wall of the heat exchange tube 3, and the heat exchange medium continues to flow inside the heat exchange tube 3, thereby improving the practicality of the equipment.

[0038] The cooling shell 1 and the cooling box 17 are both provided with pressure sensors to monitor the pressure changes in the cooling shell 1 and the cooling box 17; a spring is provided in the side wall of the telescopic tube 11 to reset the second electric control valve 15; the butyrolactone cooling device of the utility model is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A butyrolactone cooling device, comprising a heat exchange mechanism; characterized in that: It also includes multiple sets of sealing mechanisms and cooling mechanisms, the heat exchange mechanism is installed on the cooling mechanism, and the multiple sets of sealing mechanisms are installed in the heat exchange mechanism; The heat exchange mechanism cooperates with the cooling mechanism to cool and condense the butyrolactone gas, and the sealing mechanism seals the rupture in the heat exchange mechanism; The heat exchange mechanism comprises a cooling shell (1), two groups of sealing plates (2), a plurality of groups of heat exchange tubes (3), a first sealing shell (4), a second sealing shell (5), a feed valve (6), an exhaust valve (7), a discharge valve (8), a water inlet valve (9) and a water drain valve (10); one end of the two groups of sealing plates (2) are respectively mounted on the left end and the right end of the cooling shell (1); the first sealing shell (4) and the second sealing shell (5) are respectively mounted on the other ends of the two groups of sealing plates (2); the two groups of heat exchange tubes (3) are respectively connected to the inside of the first sealing shell (4) and the second sealing shell (5); the feed valve (6) and the exhaust valve (7) are both mounted on the top of the cooling shell (1); the discharge valve (8) is mounted on the bottom of the cooling shell (1); the water inlet valve (9) is mounted on the second sealing shell (5); and the water drain valve (10) is mounted on the first sealing shell (4).

2. A butyrolactone cooling device as claimed in claim 1, characterized in that: The sealing mechanism comprises a telescopic tube (11), a support tube (12), an airbag (13), a first electrically controlled valve (14) and a second electrically controlled valve (15); one end of the telescopic tube (11) is mounted on the right end of the heat exchange tube (3); the support tube (12) is mounted on the other end of the telescopic tube (11); the first electrically controlled valve (14) is mounted inside the support tube (12); the airbag (13) is sleeved on the support tube (12); the first electrically controlled valve (14) is in communication with the inside of the airbag (13); an effervescent agent is arranged inside the airbag (13); and the second electrically controlled valve (15) is mounted on the left end of the support tube (12).

3. A butyrolactone cooling device as claimed in claim 2, characterized in that: The second electrically controlled valve (15) is provided with a camera (16).

4. A butyrolactone cooling device as claimed in claim 1, characterized in that: The cooling mechanism comprises a cooling box (17), a refrigerator (18), a circulation pump (19), a water inlet pipe (20), a drain pipe (21) and a plurality of stirring mechanisms. The refrigerator (18) and the circulation pump (19) are both mounted on the cooling box (17), and the cooling end of the refrigerator (18) and the water suction port of the circulation pump (19) both extend to the interior of the cooling box (17). One end of the water inlet pipe (20) is mounted on the drain port of the circulation pump (19), and the other end of the water inlet pipe (20) is mounted on the water inlet valve (9). One end of the drain pipe (21) is mounted on the cooling box (17), and the other end of the drain pipe (21) is mounted on the drain valve (10). The plurality of stirring mechanisms are all mounted on the cooling box (17).

5. A glycine cooling device as claimed in claim 4, characterized in that: The stirring mechanism comprises a driving motor (22) and a stirring shaft (23); the driving motor (22) is mounted on a cooling box (17); the stirring shaft (23) is mounted in the cooling box (17); and the front end of the stirring shaft (23) is connected to the output shaft of the driving motor (22).

6. A butyrolactone cooling device as claimed in claim 2, characterized in that: It also includes a scraper (24), which is installed at the left end of the second electric control valve (15).

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