Filter for stabilizing excess flow of titanium dioxide

Abstract

The utility model relates to the technical field of filter switching, in particular to a filter for stabilizing the excess flow of titanium dioxide, which comprises a finished product tank for placing titanium dioxide finished products, the discharge end of the finished product tank is respectively connected with a filter A and a filter B, the first discharge end of the filter A is connected with a metering pump A, and the second discharge end of the filter B is connected with a metering pump B; the first discharge end of the filter A is connected with a metering pump A, the first discharge end of the filter B is connected with a metering pump B, and the metering pump A and the metering pump B are mounted in the polymerization outlet. Compared with the prior art, the filter for stabilizing the excess flow of titanium dioxide has the advantages that when the titanium dioxide filter is switched, the filter A and the filter B can perform circular treatment; a discharging hose of the filter B is connected with an inlet pipe of the metering pump A, the valve is slowly opened, the flow is normal, then the valve of the filter A is closed, the filter A is stopped, the titanium dioxide flow basically does not change in the whole switching process, the adding amount is relatively stable, and the product quality is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of filter switching, in particular to a filter used for stabilizing the flow rate of titanium dioxide. Background Art

[0002] Titanium dioxide is an inorganic substance with the chemical formula TiO2. It is a white solid or powdered amphoteric oxide with a molecular weight of 79.9. It is non-toxic, has the best opacity, whiteness and brightness, and is considered to be the best performing white pigment in the world today.

[0003] In the prior art, when the titanium dioxide filter is switched, filter A and filter B circulate simultaneously. After stopping the metering pump, the hose between the outlet of filter A and the metering pump is removed, and the hose is connected to the hose from the outlet of filter B to the metering pump. Then, the metering pump is started to deactivate filter A, so that the flow rate can be adjusted.

[0004] However, when switching, the amount of titanium dioxide added to this solution will be cut off for several minutes, the flow rate is not stable enough, and the titanium dioxide content in the product is unstable. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides a filter for stabilizing the flow rate of titanium dioxide, which solves the problems raised in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a filter for stabilizing the flow rate of titanium dioxide, comprising a finished product tank for placing finished titanium dioxide products, the discharge ends of the finished product tank are respectively connected to filter A and filter B, the first discharge end of filter A is connected to metering pump A, the first discharge end of filter B is connected to metering pump B, and the metering pump A and metering pump B are installed in the polymerization outlet.

[0009] Furthermore, the second discharge end of the filter A and the second discharge end of the filter B are both connected to the reflux pipe, the discharge end of the reflux pipe is connected to the feed end of the finished product tank, the discharge end of the finished product tank is connected to a discharge pipe installed, and the discharge ends of the discharge pipe are respectively connected to the feed port of the filter A and the feed port of the filter B.

[0010] Furthermore, the discharge pipe is provided with a circulation pump for injecting the finished titanium dioxide in the finished product tank into the filter A and the filter B respectively.

[0011] Furthermore, the first discharge end of the filter A is connected to a discharge pipe A, and a discharge hose A connected to the discharge pipe A is provided in the discharge pipe A, and the discharge end of the discharge hose A is connected to the feed end of the metering pump A. The first discharge end of the filter B is connected to a discharge pipe B, and a discharge pipe B is provided in the discharge pipe B and connected to the discharge pipe B, and the discharge end of the discharge hose B is connected to the feed end of the metering pump B.

[0012] Furthermore, the discharge ends of the discharge pipe A and the discharge ends of the discharge pipe B are both provided with control valves A, and the discharge hose A and the discharge hose B are respectively provided with multiple control valves B. The discharge end of the discharge hose A can be detachably mounted on the feed end of the metering pump A, and the discharge end of the discharge hose B can be detachably mounted on the feed end of the metering pump B.

[0013] Furthermore, the discharge end of the metering pump B is installed at the feed end of the polymerization outlet, and the discharge end of the metering pump A is installed between the discharge end of the metering pump B and the feed end of the polymerization outlet.

[0014] Furthermore, a flow meter is provided at the feed end of the polymerization outlet, and a control valve C is provided at the discharge end of the metering pump A and the discharge end of the metering pump B.

[0015] Other valves in this scheme can also be used for switching operation of the pump.

[0016] Compared with the prior art, the filter for stabilizing the flow rate of titanium dioxide can perform circulation treatment when the titanium dioxide filter is switched, the discharge hose of the filter B is connected to the inlet pipe of the metering pump A, the valve is slowly opened, the flow rate is normal, and then the valve of the filter A is closed to stop the filter A. During the whole switching process, the flow rate of titanium dioxide basically does not change, the addition amount is relatively stable, and the product quality is stable. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a schematic diagram after improvement of the utility model.

[0019] In the figure: 1. finished product tank; 2. filter A; 3. filter B; 4. metering pump A; 5. metering pump B; 6. polymerization outlet; 7. reflux pipe; 8. discharge pipe; 9. circulation pump; 10. discharge pipe A; 11. discharge hose A; 12. discharge pipe B; 13. discharge hose B; 14. control valve A; 15. control valve B; 16. flow meter. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1 to Figure 2 The utility model provides a technical solution: a filter for stabilizing the flow rate of titanium dioxide, comprising a finished product tank 1 for placing finished titanium dioxide products, the discharge ends of the finished product tank 1 are respectively connected to a filter A2 and a filter B3, the first discharge end of the filter A2 is connected to a discharge pipe A10, the discharge pipe A10 is provided with a discharge hose A11 connected to the discharge pipe A10, the discharge end of the discharge hose A11 is connected to the feed end of the metering pump A4, the first discharge end of the filter B3 is connected to A discharge pipe B12 is provided in the discharge pipe B12 and is provided with a discharge hose B13 connected to the discharge pipe B12. The discharge end of the discharge hose B13 is connected to the feed end of the metering pump B5. The discharge ends of the discharge pipe A10 and the discharge ends of the discharge pipe B12 are both provided with a control valve A14. The discharge hose A11 and the discharge hose B13 are respectively provided with a plurality of control valves B15. The discharge end of the discharge hose A11 can be detachably mounted on the feed end of the metering pump A4. The discharge end of the discharge hose B13 can be detachably mounted on the feed end of the metering pump A4. Installed on the feed end of the metering pump B5, the second discharge end of the filter A2 and the second discharge end of the filter B3 are connected to the reflux pipe 7, the discharge end of the reflux pipe 7 is connected to the feed end of the finished product tank 1, the discharge end of the finished product tank 1 is connected to the discharge pipe 8, and the discharge pipe 8 is provided with a circulation pump 9 for injecting the titanium dioxide finished product in the finished product tank 1 into the filter A2 and the filter B3 respectively. The discharge ends of the discharge pipe 8 are respectively connected to the feed port of the filter A2 and the feed port of the filter B3. The first discharge end of the filter A2 is connected to the metering pump A4, the first discharge end of the filter B3 is connected to the metering pump B5, the metering pumps A4 and B5 are installed in the polymerization outlet 6, the discharge end of the metering pump B5 is installed at the feed end of the polymerization outlet 6, the discharge end of the metering pump A4 is installed between the discharge end of the metering pump B5 and the feed end of the polymerization outlet 6, the feed end of the polymerization outlet 6 is provided with a flow meter 16, and the discharge ends of the metering pumps A4 and B5 are both provided with control valves C.

[0022] The electrical components mentioned in this article are all connected to an external main controller and 380V commercial power, and the main controller can be a conventional known device for control such as a computer.

[0023] In the description of this specification, the terms "connect", "install", "fix", "set", etc. are understood in a broad sense. For example, "connection" can be a fixed connection or an indirect connection through an intermediate component without affecting the relationship between components and the technical effect. It can also be an integral connection or a partial connection. As in this example, for ordinary technicians in this field, the specific meanings of the above terms in this utility model or utility model can be understood according to the specific circumstances.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A filter for stabilizing the flow rate of titanium dioxide, comprising a finished product tank (1) for placing finished titanium dioxide products, characterized in that: The discharge ends of the finished product tank (1) are respectively connected to a filter A (2) and a filter B (3); the first discharge end of the filter A (2) is connected to a metering pump A (4); the first discharge end of the filter B (3) is connected to a metering pump B (5); the metering pump A (4) and the metering pump B (5) are installed in a polymerization outlet (6); the second discharge end of the filter A (2) and the second discharge end of the filter B (3) are both connected to a reflux pipe (7); the discharge end of the reflux pipe (7) is connected to the feed end of the finished product tank (1); the discharge end of the finished product tank (1) is connected to a discharge pipe (8); the discharge ends of the discharge pipe (8) are respectively connected to the feed port of the filter A (2) and the feed port of the filter B (3); the discharge pipe (8) is provided with a circulation pump (9) for injecting the titanium dioxide finished product in the finished product tank (1) into the filter A (2) and the filter B (3), respectively.

2. A filter for stabilizing the flow rate of titanium dioxide according to claim 1, characterized in that: The first discharge end of the filter A (2) is connected to a discharge pipe A (10), the discharge pipe A (10) is provided with a discharge hose A (11) connected to the discharge pipe A (10), the discharge end of the discharge hose A (11) is connected to the feed end of the metering pump A (4), the first discharge end of the filter B (3) is connected to a discharge pipe B (12), the discharge pipe B (12) is provided with a discharge hose B (13) connected to the discharge pipe B (12), the discharge end of the discharge hose B (13) is connected to the feed end of the metering pump B (5).

3. A filter for stabilizing the flow rate of titanium dioxide according to claim 2, characterized in that: The discharge ends of the discharge pipe A (10) and the discharge ends of the discharge pipe B (12) are both provided with control valves A (14); the discharge hoses A (11) and the discharge hoses B (13) are respectively provided with a plurality of control valves B (15); the discharge end of the discharge hose A (11) is detachably mounted on the feed end of the metering pump A (4); and the discharge end of the discharge hose B (13) is detachably mounted on the feed end of the metering pump B (5).

4. A filter for stabilizing the flow rate of titanium dioxide according to claim 1, characterized in that: The discharge end of the metering pump B (5) is installed at the feed end of the polymerization outlet (6), and the discharge end of the metering pump A (4) is installed between the discharge end of the metering pump B (5) and the feed end of the polymerization outlet (6).

5. A filter for stabilizing the flow rate of titanium dioxide according to claim 4, characterized in that: A flow meter (16) is provided at the feed end of the polymerization outlet (6), and a control valve C is provided at the discharge end of the metering pump A (4) and the discharge end of the metering pump B (5).

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