Metering device for added catalyst
The catalyst addition metering device addresses instrument failure issues in chemical production by using a buffer tank and level gauges for precise catalyst addition and leak collection, ensuring quality control and cost savings.
Patent Information
- Application Number
- CN202420108763.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-17
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-17
AI Technical Summary
Existing electronic metering equipment for catalyst addition in chemical production is prone to failure, leading to uncontrolled addition and uncertainty in product quality, posing a risk to production processes.
A catalyst addition metering device comprising a catalyst buffer tank, small tank, delivery pump, and level gauges, with a pneumatic shut-off valve and high-low liquid level control, allowing accurate quantification and detection of catalyst addition, and a centralized collection system for leaks.
Ensures accurate catalyst addition by reducing instrument failure impact, detects abnormalities promptly, and minimizes production and maintenance costs while preventing catalyst spills.
Smart Images
Figure CN222188489U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a metering device for adding a catalyst, belonging to the technical field of chemical engineering. Background Art
[0002] In the chemical production process, it is necessary to add an appropriate amount of catalyst to the production container. In order to facilitate the observation of the addition of the catalyst, electronic metering equipment is usually used to measure the amount of catalyst added. At present, electronic metering may fail or be damaged during the production process. Under such conditions, the production condition is in a state of metering out of control. It is impossible to know whether the catalyst is added normally or the amount of addition is controlled, which is a great risk to product quality control. Utility Model Content
[0003] In view of the shortcomings of the prior art, the utility model aims to provide a catalyst addition metering device to solve the problems raised in the above-mentioned background technology. The utility model avoids the impact of instrument failure on production.
[0004] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a catalyst adding metering device, including a catalyst buffer tank, the lower port of the catalyst buffer tank is connected to a pneumatic shut-off valve through a pipeline, the other end of the pneumatic shut-off valve is connected to the upper port of a catalyst small tank through a pipeline, the lower port of the catalyst small tank is connected to the liquid inlet end of a delivery pump through a pipeline, the liquid outlet end of the delivery pump is equipped with a delivery pipe connected to a production container, a first liquid level gauge is installed on the outer surface of the catalyst buffer tank, a second liquid level gauge is installed on the outer surface of the catalyst small tank, and the catalyst buffer tank, the catalyst small tank and the delivery pump are all installed on the upper side of the catalyst collecting member.
[0005] Furthermore, the catalyst collecting part includes a bottom trough, and the catalyst buffer tank, the catalyst small tank and the delivery pump are all arranged directly above the bottom trough. A plurality of first legs are evenly installed on the bottom of the catalyst buffer tank, and the lower end of the first leg is fixed to the bottom of the bottom trough. A second leg is installed on the bottom of the catalyst small tank, and the second leg is installed on the bottom of the bottom trough. A third leg is installed on the bottom of the delivery pump, and the lower end of the third leg is fixed to the bottom of the bottom trough. A drain valve is installed on one side of the bottom trough.
[0006] Furthermore, a sponge block is provided at the upper position in the bottom groove, and the sponge block is laid on the upper surface of the supporting net. A plurality of poles are evenly installed at the bottom of the supporting net, and the lower ends of the poles are in contact with the bottom of the bottom groove. The first leg, the second leg, and the third leg all pass through the sponge block and the supporting net.
[0007] Furthermore, a plurality of inclined rods are equidistantly installed in a ring shape on the outer surface of the upper end of the column rod, and the upper ends of the inclined rods are in contact with the supporting net.
[0008] Furthermore, the bottom of the bottom tank is an inclined surface, and the inclined surface is inclined toward the drain valve.
[0009] Furthermore, a positioning plate is connected and fixed to the lower portion of one side surface of the bottom groove, and a plurality of anchor holes are evenly formed on the upper surface of the positioning plate.
[0010] Furthermore, a connecting pipe is installed on the upper surface of the catalyst small tank, the upper end of the connecting pipe is connected to the upper end of the catalyst buffer tank, a liquid adding pipe is installed on the outer surface of the upper end of the catalyst buffer tank, and an exhaust pipe is installed on the top of the catalyst buffer tank.
[0011] Beneficial effects of the utility model:
[0012] 1. Make a small catalyst tank of appropriate volume, install a second liquid level gauge on the small catalyst tank, connect the upper end of the small catalyst tank with the lower end of the catalyst buffer tank, install a pneumatic shut-off valve in the middle of the pipeline, connect the lower end of the small catalyst tank with the delivery pump, and add the catalyst quantitatively to the production device. When the liquid level of the small catalyst tank is low, open the pneumatic shut-off valve, and add the catalyst to the small catalyst tank through the high and low liquid level control program (high close and low open). Calculate the volume of the liquid level drop of the small catalyst tank according to the volume calculation formula V=S·h, and then use the formula M=ρ·V to quickly calculate the amount of catalyst added to the production per unit time. Every four hours, the system program will calculate the drop in the catalyst buffer tank and the small catalyst tank according to the formula for comparison, which is used to calculate whether the actual amount of catalyst added is accurate, and at the same time avoid instrument failure affecting production.
[0013] 2. By adding a small catalyst tank and a second liquid level meter, the calculation result can be more accurate because the amount of catalyst measured per unit time is reduced. By reducing the mass flow rate per unit time, the monitoring personnel can quickly detect abnormalities and respond. The new metering method can save production costs and maintenance costs.
[0014] 3. Install the catalyst buffer tank, catalyst small tank and delivery pump on the upper side of the bottom tank. When leakage occurs at the connection parts of the catalyst buffer tank, catalyst small tank and delivery pump and the pipeline due to sealing, the leaked catalyst will drip into the bottom tank under the action of gravity, so that the leaked catalyst can be collected centrally to prevent the leaked catalyst from flowing freely. The catalyst dripping into the bottom tank will first contact with the sponge block, so that the catalyst can quickly penetrate into the sponge block to prevent the catalyst from splashing again due to impact. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0016] Figure 1 This is a schematic diagram of the structure of a metering device for adding catalyst according to the utility model;
[0017] Figure 2 This is a schematic diagram of the assembly of a drain valve and a bottom tank in a catalyst adding metering device of the utility model;
[0018] Figure 3 This is a schematic diagram of the assembly of a sponge block, a support net and a bottom tank in a catalyst adding metering device of the utility model;
[0019] In the figure: 1-catalyst buffer tank, 2-exhaust pipe, 3-liquid adding pipe, 4-first liquid level gauge, 5-first support leg, 6-pneumatic shut-off valve, 7-connecting pipe, 8-catalyst small tank, 9-second liquid level gauge, 10-delivery pipe, 11-delivery pump, 12-second support leg, 13-bottom trough, 14-positioning plate, 15-drain valve, 16-inclined surface, 17-sponge block, 18-support net, 19-column rod, 20-inclined rod. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0021] See also Figure 1 The utility model provides a technical solution: a catalyst adding metering device, including a catalyst buffer tank 1, a lower port of the catalyst buffer tank 1 is connected to a pneumatic shut-off valve 6 through a pipeline, the other end of the pneumatic shut-off valve 6 is connected to the upper port of a catalyst small tank 8 through a pipeline, a connecting pipe 7 is installed on the upper surface of the catalyst small tank 8, the upper end of the connecting pipe 7 is connected to the upper end of the catalyst buffer tank 1, a liquid adding pipe 3 is installed on the outer surface of the upper end of the catalyst buffer tank 1, and an exhaust pipe 2 is installed on the top of the catalyst buffer tank 1. Under the action of the connecting pipe 7, the internal space of the catalyst buffer tank 1 is communicated with the internal space of the catalyst small tank 8.
[0022] See also Figure 1The lower end of the catalyst tank 8 is connected to the liquid inlet end of the delivery pump 11 through a pipeline, and the liquid outlet end of the delivery pump 11 is equipped with a delivery pipe 10 connected to the production container. The outer surface of the catalyst buffer tank 1 is equipped with a first liquid level gauge 4, and the outer surface of the catalyst tank 8 is equipped with a second liquid level gauge 9. A catalyst tank 8 of suitable volume is made, and the second liquid level gauge 9 is installed on the catalyst tank 8. The upper end of the catalyst tank 8 is connected to the lower end of the catalyst buffer tank 1, and a pneumatic shut-off valve 6 is installed in the middle of the pipeline. The lower end of the catalyst tank 8 is connected to the delivery pump 11, and the catalyst is quantitatively added to the production device. When the liquid level of the catalyst tank 8 is low, the pneumatic shut-off valve 6 is opened, and the catalyst is added to the catalyst tank 8 through the high and low liquid level control program (high close and low open). According to the volume calculation formula V=S·h, the liquid level drop volume of the catalyst tank 8 is calculated, and then according to the formula M=ρ·V, the amount of catalyst we add to the production per unit time can be quickly calculated. Every four hours, the system program will calculate the drop volume of the catalyst buffer tank 1 and the catalyst tank 8 according to the formula for comparison, which is used to verify whether the actual amount of catalyst added is accurate, and at the same time avoid instrument failure affecting production. By adding the catalyst tank 8 and the second liquid level meter 9, the calculation result can be more accurate because the amount of catalyst measured per unit time is reduced. By reducing the mass flow rate per unit time, the monitoring personnel can quickly detect and respond to abnormalities. The new metering method can save production costs and maintenance costs.
[0023] See also Figure 1 , Figure 2 and Figure 3The catalyst buffer tank 1, the catalyst small tank 8 and the delivery pump 11 are all arranged directly above the bottom tank 13. A plurality of first legs 5 are evenly installed at the bottom of the catalyst buffer tank 1. The lower end of the first leg 5 is fixed to the bottom of the bottom tank 13. A second leg 12 is installed at the bottom of the catalyst small tank 8. The second leg 12 is installed at the bottom of the bottom tank 13. A third leg is installed at the bottom of the delivery pump 11. The lower end of the third leg is fixed to the bottom of the bottom tank 13. The first leg 5, the second leg 12 and the third leg respectively realize the catalyst buffer tank 1, the catalyst The support of the small chemical tank 8 and the delivery pump 11, a drain valve 15 is installed on one side of the bottom groove 13, the bottom of the bottom groove 13 is an inclined surface 16, wherein the inclined surface 16 is inclined in the direction of the drain valve 15, under the action of the inclined surface 16, the catalyst dripping in the bottom groove 13 is gathered at the drain valve 15, a sponge block 17 is provided at the upper position of the bottom groove 13, the sponge block 17 is laid on the upper surface of the support net 18, a plurality of poles 19 are evenly installed at the bottom of the support net 18, the lower end of the pole 19 is in contact with the bottom of the bottom groove 13, and the first leg 5. The second leg 12 and the third leg are both penetrated through the sponge block 17 and the support net 18. The outer surface of the upper end of the column 19 is annularly and equidistantly installed with a plurality of inclined rods 20. The upper end of the inclined rod 20 contacts the support net 18. The inclined rod 20 increases the contact range between the column 19 and the support net 18. A positioning plate 14 is connected and fixed to the lower position of one side of the bottom groove 13. A plurality of anchor holes are evenly opened on the upper surface of the positioning plate 14. The positioning plate 14 is installed at the desired position to complete the restriction of the position of the bottom groove 13. The catalyst buffer tank 1 and the catalyst buffer tank 1 are placed in the catalyst buffer tank 1. The catalyst buffer tank 1, the catalyst tank 8 and the delivery pump 11 are both installed on the upper side of the bottom tank 13. When leakage occurs at the connection parts between the catalyst buffer tank 1, the catalyst tank 8 and the delivery pump 11 and the pipeline due to sealing, the leaked catalyst drops into the bottom tank 13 under the action of gravity, so that the leaked catalyst is collected centrally to prevent the leaked catalyst from flowing freely. The catalyst dropped into the bottom tank 13 first contacts with the sponge block 17, so that the catalyst quickly penetrates into the sponge block 17 to prevent the catalyst from splashing again due to impact.
[0024] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A device for adding a catalyst, comprising a catalyst buffer tank (1), characterized in that: The lower end of the catalyst buffer tank (1) is connected to a pneumatic shut-off valve (6) through a pipeline, and the other end of the pneumatic shut-off valve (6) is connected to the upper end of the catalyst small tank (8) through a pipeline. The lower end of the catalyst small tank (8) is connected to the liquid inlet end of a delivery pump (11) through a pipeline, and the liquid outlet end of the delivery pump (11) is equipped with a delivery pipe (10) connected to a production container. The outer surface of the catalyst buffer tank (1) is equipped with a first liquid level gauge (4), and the outer surface of the catalyst small tank (8) is equipped with a second liquid level gauge (9). The catalyst buffer tank (1), the catalyst small tank (8) and the delivery pump (11) are all installed on the upper side of the catalyst collecting member.
2. A catalyst adding metering device according to claim 1, characterized in that: The catalyst collecting component comprises a bottom trough (13), the catalyst buffer tank (1), the catalyst small tank (8) and the delivery pump (11) are all arranged directly above the bottom trough (13), a plurality of first legs (5) are evenly installed at the bottom of the catalyst buffer tank (1), the lower end of the first leg (5) is fixed to the bottom of the bottom trough (13), a second leg (12) is installed at the bottom of the catalyst small tank (8), the second leg (12) is installed at the bottom of the bottom trough (13), a third leg is installed at the bottom of the delivery pump (11), the lower end of the third leg is fixed to the bottom of the bottom trough (13), and a drain valve (15) is installed on one side of the bottom trough (13).
3. A catalyst adding metering device according to claim 2, characterized in that: A sponge block (17) is provided at the upper position of the bottom groove (13), and the sponge block (17) is laid on the upper surface of the support net (18). A plurality of poles (19) are evenly installed at the bottom of the support net (18), and the lower ends of the poles (19) are in contact with the bottom of the bottom groove (13). The first leg (5), the second leg (12), and the third leg all penetrate the sponge block (17) and the support net (18).
4. A catalyst adding metering device according to claim 3, characterized in that: The outer surface of the upper end of the column rod (19) is annularly provided with a plurality of inclined rods (20) equidistantly installed, and the upper ends of the inclined rods (20) are in contact with the supporting net (18).
5. A catalyst adding metering device according to claim 2, characterized in that: The bottom of the bottom groove (13) is an inclined surface (16), and the inclined surface (16) is inclined in the direction of the liquid discharge valve (15).
6. A catalyst adding metering device according to claim 2, characterized in that: A positioning plate (14) is connected and fixed to the lower part of one side of the bottom groove (13), and a plurality of anchor holes are evenly arranged on the upper surface of the positioning plate (14).
7. A catalyst adding metering device according to claim 1, characterized in that: A connecting pipe (7) is installed on the upper surface of the catalyst small tank (8), the upper end of the connecting pipe (7) is connected to and communicates with the upper end of the catalyst buffer tank (1), a liquid adding pipe (3) is installed on the outer surface of the upper end of the catalyst buffer tank (1), and an exhaust pipe (2) is installed on the top of the catalyst buffer tank (1).