Triethylamine oxidation liquid filtering device

Abstract

The utility model discloses a triethylamine oxidation liquid filtering device which comprises a first knockout pump, a filter, a separation tank, a second knockout pump and an oxidation material storage tank which are sequentially and fixedly mounted at the top of a fixed plate from left to right, and the output end of the first knockout pump is communicated with a pipeline I; the end, away from the first ramming pump, of the first pipeline communicates with a filter, and the bottom of the right side of the filter communicates with a second pipeline. Oxidized materials in the filter are respectively injected into the two separation tanks through the pipeline II, so that the processes can be easily switched, the separation process is continuous, the separation efficiency can be improved, the labor capacity of workers is reduced, the materials are separated by utilizing the separation tanks, the labor productivity is improved, and the production cost is reduced. The operation environment of workers can be improved, overflowing triethylamine can be stored through the triethylamine overflow tank, materials are saved, a light phase and a heavy phase can be judged through cooperation of the stop valve and the densimeter, and the labor productivity is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of triethylamine oxidation liquid, in particular to a triethylamine oxidation liquid filtering device. Background Art

[0002] Triethylamine is an organic compound, a colorless, transparent liquid with a strong ammonia odor. It emits slight smoke in the air and is soluble in water, ethanol, and ether. Its aqueous solution is weakly alkaline. The existing industrial production process uses triethylamine as a raw material. In the presence of a catalyst, H2O2, triethylamine is oxidized to produce triethylamine oxide. The H2O2 is reduced to water, and the triethylamine oxide is purified by dehydration, concentration, thermal decomposition, salting out, or azeotropic distillation to obtain diethylhydroxylamine.

[0003] The traditional separation of triethylamine oxide adopts a static separation method, which has low efficiency, high labor intensity and poor operating environment. Therefore, we propose a triethylamine oxide liquid filtration device that adopts a filtering and conveying method to accelerate the filtration efficiency of the triethylamine oxide liquid. Utility Model Content

[0004] The purpose of the utility model is to provide a triethylamine oxidation liquid filtering device, which has the advantage of adopting a filtering and conveying method to accelerate the filtering efficiency of the triethylamine oxidation liquid, so as to solve the above-mentioned background technical problems.

[0005] The technical solution of the utility model for solving the above technical problems is as follows: a triethylamine oxidizing liquid filtering device, which includes a first feeding pump, a filter, a separation tank, a second feeding pump and an oxidizing material storage tank fixedly installed on the top of a fixed plate from left to right in sequence, the output end of the first feeding pump is connected to a pipe one, the end of the pipe one away from the first feeding pump is connected to the filter, the bottom of the right side of the filter is connected to a pipe two, the end of the pipe two away from the filter is respectively connected to the input ends of two separation tanks, the bottoms of the two separation tanks are connected to a pipe three, the input end of the second feeding pump is connected to the pipe three, the output end of the second feeding pump is connected to a pipe four, the end of the pipe four away from the second feeding pump is connected to the oxidizing material storage tank, and a shut-off valve is installed on the surface of the pipe four.

[0006] Preferably, a triethylamine overflow tank located at the rear side of the second feeding pump is installed on the top of the fixed plate, and a connecting pipe is connected to the surface of the pipeline four and located below the shut-off valve, and the connecting pipe is connected to the triethylamine overflow tank.

[0007] Preferably, a densitometer is installed on the surface of the pipeline three.

[0008] Preferably, liquid level gauges are installed above the separation tank and the oxidizing material storage tank.

[0009] Preferably, the top of the right side of the oxidizing material storage tank is connected to a sealable feed hopper.

[0010] Preferably, a back-flushing nitrogen outlet pipe is connected above the filter.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model injects the oxidized material in the filter into the interior of two separation tanks respectively through the second pipe, which can realize easy switching of the process and realize the continuity of the separation process, thereby improving the separation efficiency and reducing the workload of the staff. The separation tank is used to separate the materials, thereby improving the labor productivity and the operating environment of the staff. The overflowed triethylamine can be stored in the triethylamine overflow tank, saving materials. The light phase and the heavy phase can be judged by the cooperation of the shut-off valve and the density meter, thereby improving the labor productivity.

[0013] 2. The utility model provides a sealable feed hopper, which makes it convenient for workers to add materials such as catalysts. The sealable feed hopper can be sealed by using a valve on the surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or other advantages of the present invention will become clearer and easier to understand through the detailed description made in conjunction with the following drawings. These drawings are only illustrative and do not limit the present invention, wherein:

[0015] Figure 1 This is a structural diagram of an embodiment of the utility model;

[0016] Figure 2 It is a side view schematic diagram of the partial structure of an embodiment of the present utility model.

[0017] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0018] 1. Fixed plate, 2. First feeding pump, 3. Filter, 4. Separation tank, 5. Second feeding pump, 6. Oxidation material storage tank, 7. Pipeline 1, 8. Pipeline 2, 9. Pipeline 3, 10. Pipeline 4, 11. Shut-off valve, 12. Triethylamine overflow tank, 13. Connecting pipe, 14. Density meter, 15. Liquid level gauge, 16. Sealable feed hopper, 17. Back-blowing nitrogen outlet pipe. DETAILED DESCRIPTION

[0019] Hereinafter, embodiments of the triethylamine oxidation liquid filtering device of the present invention will be described with reference to the accompanying drawings.

[0020] Figure 1-2The utility model shows a triethylamine oxidation liquid filtering device of an embodiment of the present invention, which includes a first feeding pump 2, a filter 3, a separation tank 4, a second feeding pump 5 and an oxidation material storage tank 6 fixedly installed on the top of the fixed plate 1 from left to right. The output end of the first feeding pump 2 is connected with a pipe 1 7, and the end of the pipe 1 7 away from the first feeding pump 2 is connected with the filter 3, and the bottom of the right side of the filter 3 is connected with a pipe 2 8. The end of the pipe 2 8 away from the filter 3 is respectively connected to the input ends of the two separation tanks 4, and the bottoms of the two separation tanks 4 are connected with a pipe 3 9. The input end of the second feeding pump 5 is connected with the pipe 3 9, and the output end of the second feeding pump 5 is connected with a pipe 4 10. The end of the pipe 4 10 away from the second feeding pump 5 is connected to the oxidation material storage tank 6. A shut-off valve 11 is installed on the surface of the pipe 4 10, and a position The triethylamine overflow tank 12 is located at the rear side of the second feeding pump 5. A connecting pipe 13 is connected to the surface of the pipe four 10 and is located below the shut-off valve 11. The connecting pipe 13 is connected to the triethylamine overflow tank 12. A density meter 14 is installed on the surface of the pipe three 9. A liquid level gauge 15 is installed above the separation tank 4 and the oxidizing material storage tank 6. The top of the right side of the oxidizing material storage tank 6 is connected to a sealable feed hopper 16. The setting of the sealable feed hopper 16 makes it convenient for the staff to add materials such as catalysts. The sealable feed hopper 16 can be sealed by utilizing the valve on the surface. A back-blowing nitrogen outlet pipe 17 is connected to the top of the filter 3. The density of the material inside the separation tank 4 can be detected by the density meter 14, and the liquid level of the material can be monitored in real time by the liquid level gauge 15. The discharge of nitrogen is facilitated by the back-blowing nitrogen outlet pipe 17.

[0021] Working principle: When using the present invention, the user first connects the device to the corresponding power supply, and then uses the first feeding pump 2 to inject the material from the oxidation kettle into the filter 3 through the pipe 1 7 for filtration, and then discharges the sewage through the sewage pipe at the bottom of the filter 3, and uses the pipe 2 8 to inject the filtered oxidizing material into the interior of the two separation tanks 4 respectively, which can realize easy process switching and continuous separation process. The separation tank 4 is used to separate the material, and then the second feeding pump 5 is operated to transport the material to the interior of the oxidizing material storage tank 6 through the second feeding pump 5, and then the overflow triethylamine can be stored through the triethylamine overflow tank 12, saving materials and completing the phase separation of the triethylamine oxide. Then, through the cooperation of the cut-off valve 11 and the density meter 14, the light phase and the heavy phase can be judged, thereby improving labor productivity.

[0022] In summary, the triethylamine oxidation liquid filtering device injects the oxidation material in the filter 3 into the interior of the two separation tanks 4 respectively through the pipeline 2 8, which can realize easy switching of the process and realize the continuity of the separation process, thereby improving the separation efficiency and reducing the workload of the staff. The separation tank is used to separate the materials, thereby improving the labor productivity and the operating environment of the staff. The overflow triethylamine can be stored by the triethylamine overflow tank 12, saving materials. The light phase and the heavy phase can be judged by the cooperation of the cut-off valve 11 and the density meter 14, thereby improving the labor productivity.

Claims

1. A triethylamine oxidation liquid filtering device, characterized in that, The invention comprises a first feeding pump (2), a filter (3), a separation tank (4), a second feeding pump (5) and an oxidation material storage tank (6) which are fixedly installed on the top of a fixed plate (1) from left to right in sequence. The output end of the first feeding pump (2) is connected to a pipe 1 (7). The end of the pipe 1 (7) away from the first feeding pump (2) is connected to the filter (3). The bottom of the right side of the filter (3) is connected to a pipe 2 (8). The end of the pipe 2 (8) away from the filter (3) is respectively connected to the input ends of two separation tanks (4). The bottoms of the two separation tanks (4) are connected to a pipe 3 (9). The input end of the second feeding pump (5) is connected to the pipe 3 (9). The output end of the second feeding pump (5) is connected to a pipe 4 (10). The end of the pipe 4 (10) away from the second feeding pump (5) is connected to the oxidation material storage tank (6). A shut-off valve (11) is installed on the surface of the pipe 4 (10).

2. A triethylamine oxidation liquid filter according to claim 1, characterized in that, A triethylamine overflow tank (12) is installed on the top of the fixed plate (1) and is located at the rear side of the second feeding pump (5). A connecting pipe (13) is connected to the surface of the pipe four (10) and is located below the shut-off valve (11). The connecting pipe (13) is connected to the triethylamine overflow tank (12).

3. A triethylamine oxidation liquid filter according to claim 2, characterized in that, A densitometer (14) is installed on the surface of the pipe three (9).

4. A triethylamine oxidation liquid filter according to claim 3, characterized in that, Liquid level gauges (15) are installed above the separation tank (4) and the oxidation material storage tank (6).

5. A triethylamine oxidation liquid filter according to claim 4, characterized in that, The top of the right side of the oxidizing material storage tank (6) is connected to a sealable feeding hopper (16).

6. A triethylamine oxidation liquid filter device according to claim 5, characterized in that, The filter (3) is connected to a back-flushing nitrogen outlet pipe (17) above.

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