Metering tank for chemical production

Abstract

The utility model discloses a metering tank for chemical production, which belongs to the technical field of chemical production and comprises a tank body, a tank cover is mounted on the top of the tank body in a threaded manner, a first vacuum tank is arranged in the tank body, a second vacuum tank is arranged in the tank cover, and a first heat insulation sleeve is sleeved on the outer side of the tank body. The outer side of the tank cover is sleeved with a second heat preservation sleeve, a scraping mechanism is arranged on the tank cover, a discharging valve is fixedly installed on the side portion of the tank body, the end of the discharging valve extends into an inner cavity of the tank body, and a pressure metering mechanism is arranged at the bottom of the tank body. In the storage process of chemical raw materials in the tank body, the first vacuum groove and the second vacuum groove in the tank body and the tank cover are used for heat insulation, and the first heat preservation sleeve and the second heat preservation sleeve are matched for heat preservation on the outer sides of the tank body and the tank cover, so that the influence of external temperature on the chemical raw materials stored in the inner cavity of the tank body is avoided; and the metering accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, and more specifically to a metering tank for chemical production. Background Art

[0002] Metering tanks in the chemical industry refer to equipment used to store gas, liquefied gas, liquid and solid raw materials, intermediate products or finished products. Currently, metering tanks use level meters, ultrasonic detectors, pressure gauges and other detection instruments to measure the height difference of materials in the container and calculate the material storage volume.

[0003] After searching, the utility model patent with announcement number CN214810693U discloses a metering tank for chemical production, including a main tank body, a top ring plate, a top cover, a feed port and a discharge port. The top of the main tank body is provided with a top ring plate of an annular structure, the top cover is installed between the top ring plates, the top of the top cover is provided with a feed port and, the corresponding main tank body is provided with a discharge port, the main tank body is provided with a comprehensive metering component, and the main tank body is provided with an inner wall cleaning structure; the metering tank for chemical production has a comprehensive metering component, uses a pressure and liquid level detector to effectively monitor the amount of residual material in the metering tank, adopts a comprehensive detection method to improve the accuracy of the detection, and regularly scrapes the inner wall of the metering tank through the inner wall cleaning structure to avoid contamination of materials thereon, causing inaccuracy of the metering structure, and further improves the accuracy of the measurement.

[0004] However, the above patents still have the following shortcomings: some chemical raw materials in the tank are easily affected by the external temperature when stored, and some materials affected by thermal expansion and contraction will produce volume changes, affecting the measurement of materials; in addition, although the chemical raw materials on the inner wall of the tank can be scraped off by the scraper plate, the chemical raw materials may still adhere to the scraper plate, which will still affect the measurement accuracy. For this reason, we propose a metering tank for chemical production. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a metering tank for chemical production.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A metering tank for chemical production comprises a tank body, a tank cover is threadedly mounted on the top of the tank body, a first vacuum groove is arranged inside the tank body, a second vacuum groove is arranged inside the tank cover, a first thermal insulation sleeve is arranged on the outer side of the tank body, a second thermal insulation sleeve is arranged on the outer side of the tank cover, a scraping mechanism is arranged on the tank cover, a discharge valve is fixedly mounted on the side of the tank body, an end of the discharge valve extends to the inner cavity of the tank body, and a pressure metering mechanism is arranged on the bottom of the tank body.

[0008] As a preferred solution of the utility model, the scraper mechanism includes a servo motor fixedly mounted on the top surface of the tank cover, the output shaft of the servo motor extends to the inner cavity of the tank body and is fixedly connected to a rotating plate, the bottom surface of one end of the rotating plate is fixedly connected to an L-shaped scraper, the outer side of the L-shaped scraper is in contact with the inner wall of the tank body, the bottom surface of the rotating plate is fixedly mounted with a liquid level detector, the top surface of the rotating plate is fixedly mounted with a high-pressure air pump, the output end of the high-pressure air pump is fixedly connected to an air guide steel pipe, the end of the air guide steel pipe extends to the inner side of the L-shaped scraper and is fixedly connected to an air blowing hood.

[0009] As a preferred solution of the utility model, the pressure measuring mechanism includes a mounting tube fixedly sleeved on the bottom of the tank body, a pressure detector is provided on the bottom surface of the inner cavity of the mounting tube, a spring is fixedly connected to the top surface of the pressure detector, an extrusion block is fixedly connected to the top of the spring, the top surface of the extrusion block is flush with the bottom surface of the inner cavity of the tank body, and the side surface of the extrusion block is in contact with the inner wall of the mounting tube.

[0010] As a preferred solution of the utility model, a charging tube is fixedly sleeved on the tank cover, and a tube cover is threadedly mounted on the top end of the charging tube.

[0011] As a preferred solution of the present invention, a control panel is fixedly mounted on the outer side of the tank body, and an end of the control panel extends to the outside of the first insulation sleeve.

[0012] As a preferred solution of the utility model, a supporting foot is fixedly connected to the bottom surface of the tank body.

[0013] As a preferred solution of the utility model, an outer thread groove is arranged on the outer side of the top end of the tank body, and an inner thread groove is arranged on the inner side of the bottom end of the tank cover, and the inner thread groove and the outer thread groove are matched.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) In the utility model, during the storage of chemical raw materials in the tank body, the first vacuum groove and the second vacuum groove in the tank body and the tank cover are used for heat insulation, and the first insulation sleeve and the second insulation sleeve are used to insulate the outside of the tank body and the tank cover, so as to avoid the external temperature from affecting the chemical raw materials stored in the tank body and ensure the accuracy of measurement.

[0016] (2) In the utility model, when the chemical raw materials are discharged, the servo motor is used to drive the rotating plate and the L-shaped scraper to rotate, and the L-shaped scraper is used to scrape off the chemical raw materials attached to the inner wall of the tank body. The high-pressure air pump is used to blow out strong wind from the blowing hood, and the chemical raw materials on the L-shaped scraper are blown into the chemical raw materials stored in the tank body by the strong wind, so as to prevent the chemical raw materials attached to the inner wall of the tank body from affecting the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a cross-sectional schematic diagram of the tank body of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the can cover of the utility model;

[0020] Figure 4 It is a cross-sectional schematic diagram of the can cover of the utility model;

[0021] Figure 5 For this utility model Figure 2 A is an enlarged schematic diagram;

[0022] Figure 6 For this utility model Figure 3 The enlarged schematic diagram of point B in FIG.

[0023] Description of the numbers in the figure:

[0024] 1. Tank body; 2. Tank cover; 3. Scraping mechanism; 4. Pressure metering mechanism; 5. First vacuum tank; 6. Second vacuum tank; 7. First insulation cover; 8. Second insulation cover; 9. Control panel; 10. Support foot; 11. Discharge valve; 12. Servo motor; 13. Loading pipe; 14. Pipe cover; 15. Turn plate; 16. L-shaped scraper; 17. Liquid level detector; 18. High-pressure air pump; 19. Air guide steel pipe; 20. Blowing hood; 21. Mounting pipe; 22. Pressure detector; 23. Spring; 24. Extrusion block; 25. Internal thread groove; 26. External thread groove. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Example:

[0029] See also Figure 1-6 A metering tank for chemical production comprises a tank body 1, a tank cover 2 is threadedly installed on the top of the tank body 1, a first vacuum groove 5 is arranged inside the tank body 1, a second vacuum groove 6 is arranged inside the tank cover 2, a first insulation sleeve 7 is arranged on the outer side of the tank body 1, a second insulation sleeve 8 is arranged on the outer side of the tank cover 2, a scraping mechanism 3 is arranged on the tank cover 2, a discharge valve 11 is fixedly installed on the side of the tank body 1, and the end of the discharge valve 11 extends to the inner cavity of the tank body 1, and a pressure metering mechanism 4 is arranged at the bottom of the tank body 1.

[0030] In this embodiment, the first vacuum chamber 5 and the second vacuum chamber 6 are both in a vacuum state.

[0031] For details, please refer to Figure 1 and Figure 4 The scraper mechanism 3 includes a servo motor 12 fixedly mounted on the top surface of the tank cover 2, the output shaft of the servo motor 12 extends to the inner cavity of the tank body 1 and is fixedly connected to a rotating plate 15, an L-shaped scraper 16 is fixedly connected to the bottom surface of one end of the rotating plate 15, the outer side of the L-shaped scraper 16 is in contact with the inner wall of the tank body 1, a liquid level detector 17 is fixedly mounted on the bottom surface of the rotating plate 15, a high-pressure air pump 18 is fixedly mounted on the top surface of the rotating plate 15, an output end of the high-pressure air pump 18 is fixedly connected to an air guide steel pipe 19, an end of the air guide steel pipe 19 extends to the inner side of the L-shaped scraper 16 and is fixedly connected to an air blowing hood 20.

[0032] In this embodiment, the liquid level detector 17 is used to perform ultrasonic detection on the chemical raw materials in the tank body 1 .

[0033] For details, please refer to Figure 1 and Figure 5 The pressure measuring mechanism 4 includes a mounting tube 21 fixedly sleeved on the bottom of the tank body 1, a pressure detector 22 is arranged on the bottom surface of the inner cavity of the mounting tube 21, a spring 23 is fixedly connected to the top surface of the pressure detector 22, an extrusion block 24 is fixedly connected to the top of the spring 23, the top surface of the extrusion block 24 is flush with the bottom surface of the inner cavity of the tank body 1, and the side surface of the extrusion block 24 is in contact with the inner wall of the mounting tube 21.

[0034] In this embodiment, the pressure of the chemical raw material in the tank body 1 is measured by using the mounting pipe 21 , the pressure detector 22 , the spring 23 and the extrusion block 24 .

[0035] For details, please refer to Figure 1 A charging pipe 13 is fixedly sleeved on the tank cover 2, and a pipe cover 14 is threadedly mounted on the top of the charging pipe 13.

[0036] In this embodiment, chemical raw materials are charged into the tank body 1 through the charging pipe 13 .

[0037] For details, please refer to Figure 1 A control panel 9 is fixedly mounted on the outer side of the tank body 1 , and an end of the control panel 9 extends to the outside of the first insulation sleeve 7 .

[0038] In this embodiment, the device is controlled by a control panel 9 .

[0039] For details, please refer to Figure 1 A supporting foot 10 is fixedly connected to the bottom surface of the tank body 1.

[0040] In this embodiment, a plurality of supporting legs 10 are used to support the tank body 1 .

[0041] For details, please refer to Figure 2 and Figure 3 An external thread groove 26 is arranged on the outer side of the top end of the tank body 1, and an internal thread groove 25 is arranged on the inner side of the bottom end of the tank cover 2, and the internal thread groove 25 and the external thread groove 26 are adapted to each other.

[0042] In this embodiment, the tank cover 2 is mounted on the tank body 1 by the cooperation of the internal thread groove 25 and the external thread groove 26 .

[0043] Working principle: When in use, first put the chemical raw materials to be measured into the tank body 1 through the loading pipe 13, and measure and discharge the chemical raw materials in the tank body 1 through the discharge valve 11. When the chemical raw materials are discharged, the servo motor 12 drives the rotating plate 15 and the L-shaped scraper 16 to rotate, and the L-shaped scraper 16 is used to scrape the chemical raw materials attached to the inner wall of the tank body 1. The scraped chemical raw materials are located on the inner wall of the L-shaped scraper 16. At this time, the high-pressure air pump 18 is started to make the blowing hood 20 blow out strong wind, and the chemical raw materials on the L-shaped scraper 16 are blown into the chemical raw materials stored in the tank body 1 by the strong wind. In addition, when the chemical raw materials in the tank body 1 are discharged, the liquid level detector 17 is used to measure the top surface height of the chemical raw materials. In addition, the chemical raw materials change the pressure of the extrusion block 24, the spring 23 and the pressure detector 22 to achieve metering of the chemical raw materials. During the storage of the chemical raw materials in the tank body 1, the first vacuum groove 5 and the second vacuum groove 6 in the tank body 1 and the tank cover 2 are used for insulation, and the first insulation sleeve 7 and the second insulation sleeve 8 are used to insulate the outside of the tank body 1 and the tank cover 2 to avoid the external temperature from affecting the chemical raw materials stored in the tank body 1, thereby ensuring the accuracy of the measurement.

[0044] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A metering tank for chemical production, comprising a tank body (1), characterized in that: The top of the tank body (1) is threadedly mounted with a tank cover (2); a first vacuum groove (5) is arranged inside the tank body (1); a second vacuum groove (6) is arranged inside the tank cover (2); a first thermal insulation sleeve (7) is sleeved on the outer side of the tank body (1); a second thermal insulation sleeve (8) is sleeved on the outer side of the tank cover (2); a scraping mechanism (3) is arranged on the tank cover (2); a discharge valve (11) is fixedly mounted on the side of the tank body (1); an end of the discharge valve (11) extends to the inner cavity of the tank body (1); and a pressure metering mechanism (4) is arranged at the bottom of the tank body (1).

2. A metering tank for chemical production according to claim 1, characterized in that: The scraper mechanism (3) comprises a servo motor (12) fixedly mounted on the top surface of the tank cover (2), the output shaft of the servo motor (12) extending to the inner cavity of the tank body (1) and fixedly connected to a rotating plate (15), the bottom surface of one end of the rotating plate (15) fixedly connected to an L-shaped scraper (16), the outer side of the L-shaped scraper (16) is in contact with the inner wall of the tank body (1), the bottom surface of the rotating plate (15) is fixedly mounted with a liquid level detector (17), the top surface of the rotating plate (15) is fixedly mounted with a high-pressure air pump (18), the output end of the high-pressure air pump (18) is fixedly connected to an air guide steel pipe (19), the end of the air guide steel pipe (19) extends to the inner side of the L-shaped scraper (16) and is fixedly connected to an air blow hood (20).

3. A metering tank for chemical production according to claim 1, characterized in that: The pressure measuring mechanism (4) comprises a mounting tube (21) fixedly sleeved on the bottom of the tank body (1); a pressure detector (22) is arranged on the bottom surface of the inner cavity of the mounting tube (21); a spring (23) is fixedly connected to the top surface of the pressure detector (22); an extrusion block (24) is fixedly connected to the top of the spring (23); the top surface of the extrusion block (24) is flush with the bottom surface of the inner cavity of the tank body (1); and the side surface of the extrusion block (24) is in contact with the inner wall of the mounting tube (21).

4. A metering tank for chemical production according to claim 1, characterized in that: A loading pipe (13) is fixedly sleeved on the tank cover (2), and a pipe cover (14) is threadedly mounted on the top end of the loading pipe (13).

5. A metering tank for chemical production according to claim 1, characterized in that: A control panel (9) is fixedly mounted on the outer side of the tank body (1), and an end of the control panel (9) extends to the outside of the first thermal insulation sleeve (7).

6. A metering tank for chemical production according to claim 1, characterized in that: A supporting foot (10) is fixedly connected to the bottom surface of the tank body (1).

7. A metering tank for chemical production according to claim 1, characterized in that: An external thread groove (26) is arranged on the outer side of the top end of the tank body (1), and an internal thread groove (25) is arranged on the inner side of the bottom end of the tank cover (2), and the internal thread groove (25) and the external thread groove (26) are matched.

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