High-precision chemical metering tank

Abstract

The utility model provides a high-precision chemical metering tank, which relates to the field of metering tanks, and comprises a metering tank body, the bottom of the metering tank body is fixedly communicated with a conical pipe, the bottom of the conical pipe is fixedly communicated with a liquid discharge pipe, and the surface of the liquid discharge pipe is provided with a first control valve; the metering tank body is used for storing a catalyst solution so that a catalyst can be better added, the first control valve is used for controlling starting and stopping of liquid discharging operation, the liquid level meter is arranged so that the effect of conveniently observing the remaining amount of the catalyst in the metering tank body is achieved, and the scraping mechanism is arranged so that the catalyst can be conveniently scraped. Through the arrangement of the scraping mechanism, a catalyst solution attached to the inner wall of the metering tank body and the inner wall of the conical pipe can be scraped off, the situation that follow-up use is affected due to waste and deterioration of the catalyst can be prevented, the amount of the taken catalyst can be more accurate, and through the arrangement of the feeding mechanism, the effect of conveniently adding quantitative catalyst into the metering tank body is achieved; and therefore, the accuracy of the device during use is further improved.

Description

Technical Field

[0001] The utility model belongs to the field of metering tanks, in particular to a high-precision chemical metering tank. Background Art

[0002] The correct addition of catalyst is crucial to the catalytic reaction, and the metering tank is one of the key devices for controlling the catalyst addition. Especially in the process involving catalytic reaction, these metering tanks are usually designed to accurately control the amount of catalyst added to ensure the stability, efficiency and product quality of the reaction;

[0003] According to the application number: 202020630503.8, a chemical metering tank is disclosed, including a liquid control structure, a metering tank structure and a ventilation structure, wherein the liquid control structure is fixedly connected to the metering tank structure, the metering tank structure is fixedly connected to the ventilation structure, the ventilation structure includes an air guide pipe and an air pump, the air guide pipe is connected to the air pump, and on the basis of the prior art, by improving the structure of the metering tank, adding the ventilation structure, and utilizing the air guide pipe and the air pump to achieve the purpose of accurately discharging the liquid in the metering tank, and at the same time, avoiding the problem of material contamination in subsequent material collection;

[0004] The existing technology has effectively solved the problem of residual liquid being oxidized and denatured, which will cause material contamination in the next collection. However, since it uses inert gas to blow off the residual liquid, the production and storage of the inert gas require a certain amount of cost, which increases the overall cost of the device operation.

[0005] In summary, the utility model provides a high-precision chemical metering tank to solve the above problems. Utility Model Content

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

[0007] A high-precision chemical metering tank, comprising a metering tank body, a conical tube fixedly connected to the bottom of the metering tank body, a drainage pipe fixedly connected to the bottom of the conical pipe, a first control valve arranged on the surface of the drainage pipe, a liquid level gauge fixedly connected to the front of the metering tank body, a scraping mechanism arranged in the inner cavity of the metering tank body, and a feeding mechanism arranged on the top of the metering tank body;

[0008] The scraping mechanism comprises a first scraper, the number of the first scrapers is two, the two first scrapers are respectively arranged on both sides of the inner cavity of the metering tank body, the bottom of the first scraper is fixedly connected to the second scraper, and one side of the first scraper and the second scraper are respectively in contact with the inner wall of the metering tank body and the tapered tube;

[0009] The feeding mechanism comprises a metering tube, which is arranged on the left side of the top of the metering tank body, the bottom of the metering tube is fixedly connected with a connecting tube, the bottom of the connecting tube is fixedly connected with the metering tank body, and the top of the metering tube is fixedly connected with a funnel.

[0010] Furthermore, in the utility model, the top of the inner cavity of the metering trough body is movably connected to a rotating column through a bearing, and second connecting plates are fixedly connected on both sides of the rotating column. The number of the second connecting plates is six, and the upper four second connecting plates are fixedly connected to the first scraper on the side away from the rotating column, and the lower two second connecting plates are fixedly connected to the second scraper on the side away from the rotating column.

[0011] Furthermore, in the utility model, a motor is fixedly connected to the center of the top of the metering tank body, and the output shaft of the motor passes through the inner cavity of the metering tank body and is transmission-connected to the top of the rotating column.

[0012] Furthermore, in the utility model, a scale is provided on the left side of the metering tube, and a second control valve is provided on the surface of the connecting tube.

[0013] Furthermore, in the utility model, a fixing column is fixedly connected to the right side of the top of the metering tank body, a fixing ring is fixedly connected to the surface of the metering tube and the motor, and a first connecting plate is fixedly connected between the fixing ring and the fixing column.

[0014] Furthermore, in the utility model, a pillar is fixedly connected to the surface of the metering trough body, an anti-slip pad is provided at the bottom of the pillar, a support block is provided at the upper end of the inner cavity of the drainage pipe, fixed blocks are fixedly connected to both sides of the support block, the side of the fixed block away from the support block is fixedly connected to the inner wall of the drainage pipe, and the bottom of the rotating column is movably connected to the top of the support block through a bearing.

[0015] Beneficial effects: The utility model has the following beneficial effects:

[0016] The utility model provides a metering tank body for storing catalyst solution so as to better add the catalyst, provides a tapered tube which is an inclined tube and can reduce the catalyst solution remaining on the inner wall, provides a drain pipe and a first control valve for discharging the catalyst solution, and the first control valve is used to control the start and stop of the draining operation, and provides a liquid level gauge to facilitate observation of the catalyst residue inside the metering tank body, and provides a scraping mechanism to scrape the catalyst solution attached to the metering tank body and the inner wall of the tapered tube, which can not only prevent the catalyst from being wasted and deteriorated to affect subsequent use, but also make the amount of catalyst taken more accurate, and provides a feeding mechanism to facilitate adding a quantitative catalyst to the inside of the metering tank body, thereby further improving the accuracy of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a main structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of the feeding mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the main structure of the scraping mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the main structure of the liquid discharge pipe of the utility model.

[0021] In the figure:

[0022] 1. Metering tank body; 2. Conical tube; 3. Drain pipe; 4. First control valve; 5. Liquid level meter; 6. Scraping mechanism; 601. First scraper; 602. Second scraper; 603. Rotating column; 604. Second connecting plate; 605. Motor; 7. Feeding mechanism; 701. Metering tube; 702. Connecting tube; 703. Funnel; 704. Second control valve; 705. Fixed column; 706. Fixed ring; 707. First connecting plate; 8. Pillar; 9. Support block; 10. Fixed block. DETAILED DESCRIPTION

[0023] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0024] Example 1

[0025] like Figure 1-4 As shown, it is the first embodiment of the utility model, which provides a high-precision chemical metering tank, including a metering tank body 1, a conical tube 2 is fixedly connected to the bottom of the metering tank body 1, a drain pipe 3 is fixedly connected to the bottom of the conical tube 2, a first control valve 4 is arranged on the surface of the drain pipe 3, a liquid level gauge 5 is fixedly connected to the front of the metering tank body 1, a scraping mechanism 6 is arranged in the inner cavity of the metering tank body 1, and a feeding mechanism 7 is arranged on the top of the metering tank body 1;

[0026] The scraping mechanism 6 includes a first scraper 601, the number of the first scraper 601 is two, the two first scrapers 601 are respectively arranged on both sides of the inner cavity of the metering tank body 1, the bottom of the first scraper 601 is fixedly connected with a second scraper 602, and one side of the first scraper 601 and the second scraper 602 are in contact with the inner wall of the metering tank body 1 and the tapered tube 2 respectively;

[0027] The feeding mechanism 7 includes a metering tube 701, which is arranged on the left side of the top of the metering tank body 1. The bottom of the metering tube 701 is fixedly connected to a connecting tube 702, the bottom of the connecting tube 702 is fixedly connected to the metering tank body 1, and the top of the metering tube 701 is fixedly connected to a funnel 703.

[0028] like Figure 1-4 As shown, the metering tank body 1 is used to store the catalyst solution so that the catalyst can be added better. The conical tube 2 is an inclined pipe, so the catalyst solution remaining on the inner wall can be reduced. The drain pipe 3 is used to discharge the catalyst solution. The first control valve 4 is used to control the start and stop of the drain operation. The liquid level meter 5 facilitates the observation of the residual catalyst inside the metering tank body 1. The scraping mechanism 6 can be used to scrape off the catalyst solution attached to the inner wall of the metering tank body 1 and the conical tube 2, which can not only prevent the waste and deterioration of the catalyst affecting the subsequent use, but also make the amount of catalyst taken more accurate. The feeding mechanism 7 facilitates the addition of a quantitative catalyst to the inside of the metering tank body 1, thereby further improving the accuracy of the device when in use.

[0029] Example 2

[0030] Reference Figure 3 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0031] In this embodiment, the top of the inner cavity of the metering trough body 1 is movably connected to a rotating column 603 through a bearing, and second connecting plates 604 are fixedly connected to both sides of the rotating column 603. The number of second connecting plates 604 is six, and the upper four second connecting plates 604 are fixedly connected to the first scraper 601 on the side away from the rotating column 603, and the lower two second connecting plates 604 are fixedly connected to the second scraper 602 on the side away from the rotating column 603.

[0032] A motor 605 is fixedly connected to the center of the top of the metering tank body 1 . The output shaft of the motor 605 penetrates the inner cavity of the metering tank body 1 and is transmission-connected to the top of the rotating column 603 .

[0033] like Figure 3As shown, when the motor 605 is running, it can drive the rotating column 603 to rotate. The rotating column 603 is used to fix the second connecting plate 604 and drive the second connecting plate 604 to rotate. The second connecting plate 604 is used to fix the first scraper 601 and the second scraper 602 and drive both to rotate. When the first scraper 601 and the second scraper 602 rotate, they can scrape off the residual catalyst solution adhering to the inner wall of the metering tank body 1 and the conical tube 2, thereby reducing catalyst waste.

[0034] Example 3

[0035] Reference Figure 3 , which is the third embodiment of the utility model, and this embodiment is based on the previous two embodiments.

[0036] In this embodiment, a scale is provided on the left side of the metering tube 701 , and a second control valve 704 is provided on the surface of the connecting tube 702 .

[0037] A fixing column 705 is fixedly connected to the right side of the top of the metering tank body 1 , a fixing ring 706 is fixedly connected to the surfaces of the metering tube 701 and the motor 605 , and a first connecting plate 707 is fixedly connected between the fixing ring 706 and the fixing column 705 .

[0038] A support 8 is fixedly connected to the surface of the metering tank body 1, and an anti-slip pad is provided at the bottom of the support 8. A support block 9 is provided at the upper end of the inner cavity of the drainage pipe 3, and fixed blocks 10 are fixedly connected to both sides of the support block 9. The side of the fixed block 10 away from the support block 9 is fixedly connected to the inner wall of the drainage pipe 3, and the bottom of the rotating column 603 is movably connected to the top of the support block 9 through a bearing.

[0039] like Figure 3 As shown, the catalyst solution can be added to the inside of the metering tube 701 through the funnel 703, and the amount of catalyst added can be observed through the scale. After the addition is completed, the catalyst inside the metering tube 701 can be added to the inside of the metering tank body 1 by starting the second control valve 704. During the adding process, the amount of catalyst added can be accurately controlled by observing the scale. The fixed column 705, the fixed ring 706 and the first connecting plate 707 are used to fix the motor 605 and the metering tube 701.

[0040] When in use, first, the catalyst solution can be added to the inside of the metering tube 701 through the funnel 703, and the amount of catalyst added can be observed through the scale. After the addition is completed, the catalyst in the metering tube 701 can be added to the inside of the metering tank body 1 by starting the second control valve 704. During the adding process, the amount of catalyst added can be accurately controlled by observing the scale. After the catalyst solution is added to the inside of the metering tank body 1, the total amount of catalyst in the metering tank body 1 can be observed through the liquid level meter 5. When the catalyst needs to be added, the first control valve 4 can be opened. After the catalyst solution is naturally discharged, the motor 605 is started. The motor 605 drives the rotating column 603 to rotate, and the rotating column 603 drives the second connecting plate 604 to rotate. The second connecting plate 604 drives the first scraper 601 and the second scraper 602 to rotate. When the first scraper 601 and the second scraper 602 rotate, they can scrape off the residual catalyst solution adhering to the inner wall of the metering tank body 1 and the tapered tube 2, thereby reducing catalyst waste and allowing all the catalyst measured in advance to be added.

[0041] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0042] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A high-precision chemical metering tank, comprising a metering tank body (1), characterized in that: The bottom of the metering tank body (1) is fixedly connected to a conical tube (2), the bottom of the conical tube (2) is fixedly connected to a liquid discharge tube (3), a first control valve (4) is arranged on the surface of the liquid discharge tube (3), a liquid level gauge (5) is fixedly connected to the front of the metering tank body (1), a scraping mechanism (6) is arranged in the inner cavity of the metering tank body (1), and a feeding mechanism (7) is arranged on the top of the metering tank body (1); The scraping mechanism (6) comprises a first scraper (601), the number of the first scraper (601) is two, the two first scrapers (601) are respectively arranged on both sides of the inner cavity of the metering tank body (1), the bottom of the first scraper (601) is fixedly connected to the second scraper (602), and one side of the first scraper (601) and the second scraper (602) are in contact with the inner wall of the metering tank body (1) and the conical tube (2) respectively; The feeding mechanism (7) comprises a metering tube (701), the metering tube (701) being arranged on the left side of the top of the metering tank body (1), the bottom of the metering tube (701) being fixedly connected to a connecting tube (702), the bottom of the connecting tube (702) being fixedly connected to the metering tank body (1), and the top of the metering tube (701) being fixedly connected to a funnel (703).

2. The high-precision chemical metering tank as claimed in claim 1, characterized in that: The top of the inner cavity of the metering tank body (1) is movably connected to a rotating column (603) via a bearing, and second connecting plates (604) are fixedly connected to both sides of the rotating column (603). The number of the second connecting plates (604) is six, and the upper four second connecting plates (604) are fixedly connected to the first scraper (601) on the side away from the rotating column (603), and the lower two second connecting plates (604) are fixedly connected to the second scraper (602) on the side away from the rotating column (603).

3. The high-precision chemical metering tank as claimed in claim 2, characterized in that: A motor (605) is fixedly connected at the center of the top of the metering tank body (1), and the output shaft of the motor (605) passes through the inner cavity of the metering tank body (1) and is transmission-connected to the top of the rotating column (603).

4. The high-precision chemical metering tank as claimed in claim 1, characterized in that: The left side of the metering tube (701) is provided with a scale, and the surface of the connecting tube (702) is provided with a second control valve (704).

5. The high-precision chemical metering tank as claimed in claim 1, characterized in that: A fixing column (705) is fixedly connected to the right side of the top of the metering tank body (1), a fixing ring (706) is fixedly connected to the surface of the metering tube (701) and the motor (605), and a first connecting plate (707) is fixedly connected between the fixing ring (706) and the fixing column (705).

6. The high-precision chemical metering tank as claimed in claim 2, characterized in that: A support (8) is fixedly connected to the surface of the metering tank body (1), and an anti-slip pad is arranged at the bottom of the support (8). A support block (9) is arranged at the upper end of the inner cavity of the drainage pipe (3), and fixed blocks (10) are fixedly connected to both sides of the support block (9). The side of the fixed block (10) away from the support block (9) is fixedly connected to the inner wall of the drainage pipe (3), and the bottom of the rotating column (603) is movably connected to the top of the support block (9) via a bearing.

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