Device for testing oxygen content of desolventizing kettle after nitrogen replacement

Abstract

The utility model discloses an oxygen content testing device for a desolventizing kettle after nitrogen replacement, which comprises a desolventizing kettle body connected with a stirring device. A pipeline A is connected to the desolventizing kettle body, one end of the pipeline A is connected to a filtering tank, a medium adding opening is formed in the filtering tank, a filtering medium is added into the filtering tank, and one end of the pipeline A extends into the filtering medium; the filtering tank is connected with a pipeline B, one end of the pipeline B is connected with an oxygen content testing probe, and the oxygen content testing probe is connected to an oxygen content tester through a cable. Compared with the prior art, the filtering device is additionally arranged between the oxygen content transmission pipeline on the desolventizing kettle and the oxygen content testing probe, and organic gas is cooled and washed by internal tap water and then reaches the content testing probe through the gas outlet pipeline, so that the content testing probe cannot be damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen content testing devices, in particular to a device for testing the oxygen content of a desolventizing kettle after nitrogen substitution. Background Art

[0002] After each desolventizing kettle is emptied, it must be purged with nitrogen and the oxygen content inside the kettle must be measured using an oxygen meter. However, due to the high temperature inside the kettle, which exceeds 180°C, organic gases such as xylene are present, which can damage the oxygen meter probe. Therefore, the probe needs to be replaced or cleaned approximately every three days, which is troublesome and expensive to replace. Utility Model Content

[0003] The purpose of the utility model is to provide an oxygen content testing device after nitrogen replacement in a desolventizing kettle, wherein a filtering device is added between the oxygen content transmission pipeline on the desolventizing kettle and the oxygen content testing probe, and the organic gas is cooled and washed by internal tap water before passing through the gas outlet pipeline to the content testing probe, without causing damage to the content testing probe, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A device for testing the oxygen content of a desolventizing kettle after nitrogen replacement comprises a desolventizing kettle body, which is connected to a stirring device; a pipe A is connected to the desolventizing kettle body, one end of the pipe A is connected to a filter tank, the filter tank is provided with a medium adding port, filter medium is added to the filter tank, and one end of the pipe A extends into the filter medium; a pipe B is connected to the filter tank, one end of the pipe B is connected to an oxygen content test probe, and the oxygen content test probe is connected to the oxygen content test via a cable.

[0006] A further improvement of the present invention is that the filter tank includes a tank body, the medium addition port is arranged at the top of the tank body; the pipeline A is connected to the top of the tank body, and the pipeline A is installed with a valve A.

[0007] A further improvement of the present invention is that the pipe B is connected to the top of the filter tank, the pipe B is connected to a valve B, and the pipe B in the tank is located above the filter medium.

[0008] A further improvement of the present invention is that a pipe C is connected to the bottom end of the tank body, and a valve C is connected to the pipe C.

[0009] A further improvement of the present invention is that a pressure reducing valve is connected to the pipe B between the valve B and the oxygen content test probe.

[0010] A further improvement of the present invention is that a liquid level sight glass is connected to the side wall of the tank body.

[0011] A further improvement of the present invention is that the filter medium is tap water.

[0012] Beneficial effects of the utility model:

[0013] The utility model discloses a device for testing the oxygen content of a desolventizing kettle after nitrogen replacement, wherein a filtering device is added between the oxygen content transmission pipeline on the desolventizing kettle and the oxygen content testing probe. The organic gas is cooled and washed by internal tap water before passing through the gas outlet pipeline to the content testing probe, and will not cause damage to the content testing probe.

[0014] The utility model discloses a device for testing the oxygen content of a desolventizing kettle after nitrogen replacement. The desolventizing kettle can be tested for oxygen content without the need for cleaning or cooling, thereby effectively saving production time and maximizing equipment utilization.

[0015] The utility model discloses a device for testing oxygen content in a desolventizing kettle after nitrogen replacement. After the gas is filtered by a filter medium in the tank, both the VOCs and unorganized gases are effectively solved for on-site production safety and environmental protection.

[0016] The utility model discloses a device for testing oxygen content in a desolventizing kettle after nitrogen replacement. The bottom of the tank body is connected to a pipe C, and the pipe C is connected to a valve C. When the filter medium in the tank deteriorates, the filter medium can be effectively discharged in time and replaced.

[0017] The utility model discloses a device for testing the oxygen content of a desolventizing kettle after nitrogen replacement. The side wall of the tank body is connected with a liquid level sight glass, which is convenient for operators to observe the content of the filter medium in the tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 This is a schematic diagram of the internal structure of the filter tank of the present invention.

[0020] In the figure: 1-desolventizing kettle body, 101-stirring device, 2-pipeline A, 201-valve A, 3-filter tank, 301-medium addition port, 302-filter medium, 303-tank body, 304-liquid level sight glass, 4-pipeline B, 401-valve B, 5-oxygen content tester, 501-oxygen content test probe, 6-pipeline C, 601-valve C, 7-pressure reducing valve. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] Example 1: Figures 1-2As shown, a device for testing the oxygen content of a desolventizing kettle after nitrogen replacement includes a desolventizing kettle body 1, and a stirring device 101 is connected to the desolventizing kettle body 1; a pipe A2 is connected to the desolventizing kettle body 1, one end of the pipe A2 is connected to the filter tank 3, the filter tank 3 is provided with a medium adding port 301, a filter medium 302 is added to the filter tank 3, and one end of the pipe A2 extends into the filter medium 302; a pipe B4 is connected to the filter tank 3, one end of the pipe B4 is connected to an oxygen content test probe 501, and the oxygen content test probe 501 is connected to the oxygen content tester 5 through a cable.

[0023] The filter tank 3 includes a tank body 303 , and a medium addition port 301 is provided at the top of the tank body 303 ; a pipeline A2 is connected to the top of the tank body 303 , and a valve A201 is installed on the pipeline A2 .

[0024] The pipe B4 is connected to the top of the filter tank 3 , a valve B401 is connected to the pipe B4 , and the pipe B4 in the tank body 303 is located above the filter medium 302 .

[0025] The bottom end of the tank body 303 is connected to a pipe C6, and the pipe C6 is connected to a valve C601.

[0026] A pressure reducing valve 7 is connected to the pipe B4 between the valve B401 and the oxygen content test probe 501 .

[0027] A liquid level sight glass 304 is connected to the side wall of the tank body 303 .

[0028] The filter medium 302 is tap water.

[0029] The specific working principle of this utility model is as follows:

[0030] The present invention adds a filter tank 3 between the oxygen content transmission pipe on the desolventizing kettle and the oxygen content test probe 501. The type is roughly similar to the hookah on the market. Tap water is added to the filter tank 3, and two pipes are welded on the top. Pipe A2 is the air inlet pipeline, which extends into the tap water, and pipe B4 is the air outlet pipeline, which is located above the filter medium 302 in the tank body 303.

[0031] The organic gas in the desolventizing kettle is transmitted to the pipe A2 on the filter tank 3. After being cooled and washed by internal tap water, the organic gas passes through the pipe B4 to the oxygen content test probe 501 without causing damage to the oxygen content test probe 501.

[0032] A pipe C6 is welded at the bottom of the tank body 303. When the tap water or solution in the tank body 303 deteriorates, it can be effectively discharged and replaced in time.

[0033] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those familiar with the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications based on the spirit of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A device for testing oxygen content in a desolventizing kettle after nitrogen replacement, characterized in that: The invention comprises a desolventizing kettle body (1), wherein the desolventizing kettle body (1) is connected to a stirring device (101); the desolventizing kettle body (1) is connected to a pipe A (2), one end of the pipe A (2) is connected to a filter tank (3), the filter tank (3) is provided with a medium adding port (301), a filter medium (302) is added into the filter tank (3), and one end of the pipe A (2) extends into the filter medium (302); the filter tank (3) is connected to a pipe B (4), one end of the pipe B (4) is connected to an oxygen content test probe (501), and the oxygen content test probe (501) is connected to an oxygen content tester (5) via a cable.

2. The device for testing oxygen content in a desolventizing kettle after nitrogen replacement according to claim 1, wherein: The filter tank (3) comprises a tank body (303), and a medium addition port (301) is provided at the top end of the tank body (303); the pipeline A (2) is connected to the top end of the tank body (303), and a valve A (201) is installed on the pipeline A (2).

3. The device for testing oxygen content in a desolventizing kettle after nitrogen substitution according to claim 2, wherein: The pipe B (4) is connected to the top of the filter tank (3), a valve B (401) is connected to the pipe B (4), and the pipe B (4) in the tank body (303) is located above the filter medium (302).

4. The device for testing oxygen content in a desolventizing kettle after nitrogen substitution according to claim 2, wherein: The bottom end of the tank body (303) is connected to a pipe C (6), and the pipe C (6) is connected to a valve C (601).

5. The device for testing oxygen content in a desolventizing kettle after nitrogen substitution according to claim 3, wherein: A pressure reducing valve (7) is connected to the pipe B (4) between the valve B (401) and the oxygen content test probe (501).

6. The device for testing oxygen content in a desolventizing kettle after nitrogen substitution according to claim 2, wherein: A liquid level sight glass (304) is connected to the side wall of the tank body (303).

7. The device for testing oxygen content in a desolventizing kettle after nitrogen replacement according to claim 1, wherein: The filter medium (302) is tap water.

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