Acetonitrile production sampling device

Abstract

The utility model relates to an acetonitrile production sampling device which comprises a storage tank, the storage tank is rotatably provided with a driving pipe along the vertical direction, the driving pipe is in threaded connection with a lifting pipe, the peripheral wall of the lifting pipe close to the lower end part is provided with a sampling hole, and a cleaning mechanism is arranged between the sampling hole and the storage tank. According to the acetonitrile production sampling device, by arranging the cleaning mechanism, when a sampling hole needs to be cleaned, a first rotating rod can be driven to rotate by rotating a second rotating handle, a second rotating rod is driven to rotate by a belt pulley and a belt so as to drive a driving gear to rotate, and a cleaning cylinder is driven to rotate under the cooperation of the driving gear and a driven gear; a cleaning brush in the cleaning cylinder cleans and rotatably scrubs a sampling hole in the bottom of the lifting pipe, so that the sampling hole is cleaned and dredged; and the device is not provided with a motor, so that the cost is reduced, other structures are not arranged on the lifting pipe, and compared with a contrast device, the weight is reduced, and the use burden of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to an acetonitrile production sampling device. Background Art

[0002] Acetonitrile is an organic compound that is highly volatile and has a special odor similar to ether. It has excellent solvent properties and can dissolve a variety of organic, inorganic and gaseous substances. During the production of acetonitrile, a gas-solid reaction occurs and sampling and testing is required after the reaction is completed.

[0003] After searching, for example, the utility model patent with Chinese patent number CN218823380U discloses an acetonitrile production sampling device, which solves the problem that when the acetonitrile mixture in the reactor is sampled by the device in the traditional technology, the acetonitrile mixture is easy to block the sampling port with use, so that the sampling port needs to be frequently stopped to clean, thereby reducing the sampling efficiency. However, a driving motor is provided in the cleaning device provided in the device, which not only increases the cost of the device, but also has a large weight, making it inconvenient for the user to lift the sampling device. Therefore, an acetonitrile production sampling device is proposed to solve the above problem. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an acetonitrile production sampling device which is convenient for cleaning a sampling port.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical solution: an acetonitrile production sampling device, comprising a storage tank, wherein the storage tank is provided with a driving tube for vertical rotation, a lifting tube is threadedly connected to the driving tube, a sampling hole is opened on the peripheral wall of the lifting tube near the lower end, and a cleaning mechanism is provided between the sampling hole and the storage tank;

[0008] The cleaning mechanism includes a first rotating rod, a second rotating rod, a pulley, a belt, a driving gear, a mounting block, a cleaning cylinder, a passive gear and a cleaning brush. The first rotating rod is rotatably connected to the top of the storage tank, and the second rotating rod is rotatably connected to the storage tank. Pulleys are installed on the outside of the first rotating rod and the second rotating rod, and a belt is transmission-connected between the two pulleys. The driving gear is fixedly installed on the outside of the second rotating rod, and a mounting block is fixedly installed on the right inner wall of the storage tank. A cleaning cylinder is rotatably connected to the mounting block, and a passive gear meshing with the driving gear is fixedly installed on the outside of the cleaning cylinder, and a cleaning brush is installed on the inner wall of the cleaning cylinder.

[0009] Furthermore, the driving pipe is arranged to be lifted vertically, and the lower end of the driving pipe extends into the storage tank.

[0010] Furthermore, the lower end of the lifting tube is sealed, and the sampling holes are a plurality of horizontally arranged long strip holes evenly distributed on the peripheral wall of the lifting tube.

[0011] Furthermore, a flange connection plate is fixedly connected to the upper end of the driving tube, a first turning handle is fixedly installed on the outside of the driving tube, and a second turning handle is fixedly installed on the top of the first turning rod.

[0012] Furthermore, a guide protrusion is fixedly mounted on the right inner wall of the storage tank, and a guide groove is provided on the left side wall of the guide protrusion.

[0013] Furthermore, a guide rod is slidably connected in the guide groove, the left side of the guide rod is fixedly connected to the lifting tube, the left side of the mounting block is fixedly mounted with a support block, and the bottom of the second rotating rod passes through the support block and is rotatably connected to the support block.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The acetonitrile production sampling device is provided with a cleaning mechanism. When the sampling hole needs to be cleaned, the second handle can be rotated to drive the first rotating rod to rotate, and the second rotating rod is rotated under the drive of the pulley and the belt to drive the driving gear to rotate, and the cleaning cylinder is driven to rotate under the cooperation of the driving gear and the passive gear, so that the cleaning brush in the cleaning cylinder cleans and rotates the sampling hole at the bottom of the lifting tube to clean and dredge the sampling hole. In addition, the device is not provided with a motor, which reduces the cost. No other structure is provided on the lifting tube, and the weight is reduced compared with the comparative device, which reduces the burden on workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0018] Figure 2 This is a front cross-sectional view of the utility model;

[0019] Figure 3 It is a top view of the local structure of the utility model.

[0020] In the figure: 1 storage tank, 2 driving tube, 3 lifting tube, 4 sampling hole, 5 cleaning mechanism, 501 first rotating rod, 502 second rotating rod, 503 pulley, 504 belt, 505 driving gear, 506 mounting block, 507 cleaning cylinder, 508 driven gear, 509 cleaning brush, 6 flange connecting plate, 7 guide protrusion, 8 guide rod. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-3 An acetonitrile production sampling device in this embodiment includes a storage tank 1, which is provided with a driving tube 2 for vertical rotation, a lifting tube 3 is threadedly connected to the driving tube 2, a sampling hole 4 is opened on the peripheral wall of the lifting tube 3 near the lower end, and a cleaning mechanism 5 is provided between the sampling hole 4 and the storage tank 1.

[0023] In the embodiment, the top of the storage tank 1 is rotatably connected to a first rotating rod 501, the storage tank 1 is rotatably connected to a second rotating rod 502, the first rotating rod 501 and the second rotating rod 502 are both installed with pulleys 503 on the outside, a belt 504 is transmission-connected between the two pulleys 503, a driving gear 505 is fixedly installed on the outside of the second rotating rod 502, a mounting block 506 is fixedly installed on the right inner wall of the storage tank 1, a cleaning cylinder 507 is rotatably connected to the mounting block 506, a passive gear 508 meshing with the driving gear 505 is fixedly installed on the outside of the cleaning cylinder 507, a cleaning brush 509 is installed on the inner wall of the cleaning cylinder 507, and the first rotating rod 501 and the second rotating rod 502 are fixedly installed with a driven gear 508 meshing with the driving gear 505. The radius is the same. By rotating the second handle, the first rotating rod 501 is driven to rotate. Under the drive of the pulley 503 and the belt 504, the second rotating rod 502 is rotated to drive the driving gear 505 to rotate. Under the cooperation of the driving gear 505 and the passive gear 508, the cleaning cylinder 507 is driven to rotate. The bottom of the lifting tube 3 extends into the interior of the cleaning cylinder 507, so that the cleaning brush 509 in the cleaning cylinder 507 cleans and rotates the sampling hole 4 at the bottom of the lifting tube 3 to clean and dredge the sampling hole 4. In addition, the device is not equipped with a motor, which reduces the cost. No other structure is set on the lifting tube 3. Compared with the comparative device, the weight is reduced, which reduces the burden on the worker.

[0024] Specifically, the driving tube 2 is arranged to be lifted vertically, and the lower end of the driving tube 2 extends into the storage tank 1. When the driving tube 2 is rotated, the lifting tube 3 threadedly connected to the driving tube 2 will be lifted.

[0025] Specifically, the lower end of the lifting tube 3 is sealed, and the sampling holes 4 are a plurality of horizontally arranged long strip holes evenly distributed on the peripheral wall of the lifting tube 3, which facilitates the entry of bulk materials and improves the accuracy of sampling and detection.

[0026] Specifically, the upper end of the driving tube 2 is fixedly connected with a flange connecting plate 6, the outside of the driving tube 2 is fixedly installed with a first turning handle, and the top of the first turning rod 501 is fixedly installed with a second turning handle. By setting the flange connecting plate 6, it is convenient to connect the driving tube 2 with an external device, and the first turning handle and the second turning handle are convenient to drive the driving tube 2 and the first turning rod 501 to rotate.

[0027] Specifically, a guide protrusion 7 is fixedly mounted on the right inner wall of the storage tank 1, and a guide groove is provided on the left wall of the guide protrusion 7 to facilitate guiding the lifting tube 3 and prevent it from spiral movement.

[0028] Specifically, a guide rod 8 is slidably connected in the guide groove, the left side of the guide rod 8 is fixedly connected to the lifting tube 3, a support block is fixedly installed on the left side of the mounting block 506, and the bottom of the second rotating rod 502 passes through the support block and is rotatably connected to the support block. By setting the support block, it is convenient to support and limit the second rotating rod 502.

[0029] When implementing, follow these steps:

[0030] 1) First, turn the first handle to drive the driving tube 2 to rotate. Since the driving tube 2 and the lifting tube 3 are connected by threads, the principle of the lead screw can be imitated to drive the lifting tube 3 to move vertically, so as to sample and detect materials at different heights;

[0031] 2) Then, when the lifting tube 3 rotates to the highest position and cannot continue to rise, the driving tube 2 can be lifted to drive the whole to rise and fall vertically along the guide groove, so as to sample and test the materials at the high level, which is convenient and quick;

[0032] 3) Finally, when the sampling hole 4 needs to be cleaned, the second handle is rotated to drive the first rotating rod 501 to rotate, so that the second rotating rod 502 rotates, and the cleaning cylinder 507 is driven to rotate under the cooperation of the active gear 505 and the passive gear 508, so that the cleaning brush 509 in the cleaning cylinder 507 cleans the sampling hole 4 at the bottom of the lifting tube 3 by rotating and brushing.

[0033] In summary, the acetonitrile production sampling device, by providing a cleaning mechanism 5, when it is necessary to clean the sampling hole 4, the first rotating rod 501 can be driven to rotate by rotating the second handle, and the second rotating rod 502 is driven by the pulley 503 and the belt 504 to rotate, so as to drive the driving gear 505 to rotate, and the cleaning cylinder 507 is driven to rotate under the cooperation of the driving gear 505 and the passive gear 508, so that the cleaning brush 509 in the cleaning cylinder 507 cleans and rotates the sampling hole 4 at the bottom of the lifting tube 3 to clean and dredge the sampling hole 4; and the device is not provided with a motor, which reduces the cost, and no other structure is provided on the lifting tube 3. Compared with the comparative device, the weight is reduced, the burden of use of the worker is reduced, and the problem that the driving motor is provided in the cleaning device provided in the comparative device not only increases the cost of the device, but also has a large weight, which is inconvenient for the user to lift the sampling device is solved.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An acetonitrile production sampling device, comprising a storage tank (1), characterized in that: The storage tank (1) is provided with a driving tube (2) for vertical rotation, a lifting tube (3) is threadedly connected to the driving tube (2), a sampling hole (4) is provided on the peripheral wall of the lifting tube (3) near the lower end, and a cleaning mechanism (5) is provided between the sampling hole (4) and the storage tank (1); The cleaning mechanism (5) comprises a first rotating rod (501), a second rotating rod (502), a pulley (503), a belt (504), a driving gear (505), a mounting block (506), a cleaning cylinder (507), a driven gear (508) and a cleaning brush (509); the top of the storage tank (1) is rotatably connected to the first rotating rod (501); the top of the storage tank (1) is rotatably connected to the second rotating rod (502); the first rotating rod (501) and the second rotating rod (502) are both mounted with pulleys (503) on their outer sides. 3), a belt (504) is connected between the two pulleys (503) in a transmission manner, a driving gear (505) is fixedly installed on the outside of the second rotating rod (502), a mounting block (506) is fixedly installed on the right inner wall of the storage tank (1), a cleaning cylinder (507) is rotatably connected to the mounting block (506), a passive gear (508) meshing with the driving gear (505) is fixedly installed on the outside of the cleaning cylinder (507), and a cleaning brush (509) is installed on the inner wall of the cleaning cylinder (507).

2. A acetonitrile production sampling device according to claim 1, characterized in that: The driving tube (2) is arranged to be lifted and lowered in the vertical direction, and the lower end of the driving tube (2) extends into the storage tank (1).

3. A kind of acetonitrile production sampling device according to claim 1, characterized in that: The lower end of the lifting tube (3) is sealed, and the sampling holes (4) are a plurality of horizontally arranged long strip holes evenly distributed on the peripheral wall of the lifting tube (3).

4. An acetonitrile production sampling device according to claim 1, characterized in that: The upper end of the driving tube (2) is fixedly connected to a flange connection plate (6), the outside of the driving tube (2) is fixedly mounted with a first turning handle, and the top of the first turning rod (501) is fixedly mounted with a second turning handle.

5. An acetonitrile production sampling device according to claim 1, characterized in that: A guide protrusion (7) is fixedly mounted on the right inner wall of the storage tank (1), and a guide groove is provided on the left wall of the guide protrusion (7).

6. An acetonitrile production sampling device according to claim 5, characterized in that: A guide rod (8) is slidably connected in the guide groove, the left side of the guide rod (8) is fixedly connected to the lifting tube (3), the left side of the mounting block (506) is fixedly mounted with a support block, and the bottom of the second rotating rod (502) passes through the support block and is rotatably connected to the support block.

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