Chlorosulfonic acid sampling device

Abstract

A chlorosulfonic acid sampling device belongs to the field of chlorosulfonic acid production and comprises a secondary reaction tower, the bottom of the secondary reaction tower is communicated with a storage tank in a chlorosulfonic acid tank area through a sample outlet pipe, a chlorosulfonic acid finished product pump and a chlorosulfonic acid finished product valve are arranged on the sample outlet pipe, a sealing sampler is arranged on the sample outlet pipe, and the sealing sampler is communicated with the storage tank. And the sealed sampler is communicated with the sulfur trioxide gas and hydrogen chloride gas recovery production device through negative pressure. Sampling can be conveniently completed in a sealed environment through the sealed sampler, so that the situation that chlorosulfonic acid gas is emitted during chlorosulfonic acid sampling, is immediately decomposed into sulfur trioxide gas and hydrogen chloride gas, enters the atmospheric environment, pollutes the environment and hurts sampling personnel is avoided.

Description

Technical Field

[0001] The utility model belongs to the field of chlorosulfonic acid production, in particular to a chlorosulfonic acid sampling device. Background Art

[0002] In the production process of chlorosulfonic acid, in order to analyze the concentration of chlorosulfonic acid and guide production adjustments, it is necessary to take samples from pipelines or equipment. The existing sampling method is to open the sampling valve, connect the sample to the sampling bottle, take a certain amount and then close the sampling valve. During the sampling process, chlorosulfonic acid gas will come out and then decompose into sulfur trioxide gas and hydrogen chloride gas, which will enter the atmospheric environment, pollute the environment and harm the sampling personnel. Utility Model Content

[0003] The utility model provides a chlorosulfonic acid sampling device, which is used to solve the defects in the prior art.

[0004] The utility model is realized through the following technical solutions:

[0005] A chlorosulfonic acid sampling device comprises a secondary reaction tower, wherein the bottom of the secondary reaction tower is connected to a storage tank in a chlorosulfonic acid tank area through a sample outlet pipe, a chlorosulfonic acid finished product pump and a chlorosulfonic acid finished product valve are arranged on the sample outlet pipe, a sealed sampler is arranged on the sample outlet pipe, and the sealed sampler is connected to a sulfur trioxide gas and hydrogen chloride gas recovery production device through negative pressure.

[0006] In the chlorosulfonic acid sampling device as described above, the sample outlet tube 2 is externally connected to a sampling tube 6, both ends of the sampling tube are respectively connected to corresponding positions of the sample outlet tube, and the sampling tube is connected to a sealed sampler through a three-way valve.

[0007] In the chlorosulfonic acid sampling device as described above, a sampling valve is arranged on the sampling tube, and a barrier valve is arranged between the connection point between the sample outlet tube and the sampling tube and the connection point between the storage tank in the chlorosulfonic acid tank area.

[0008] The utility model has the advantages that sampling can be completed conveniently in a sealed environment through the sealed sampler in the utility model, thereby avoiding the situation in which chlorosulfonic acid gas will come out during chlorosulfonic acid sampling, and then decompose into sulfur trioxide gas and hydrogen chloride gas, enter the atmospheric environment, pollute the environment, and harm the sampling personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0010] Figure 1 It is a schematic diagram of the structure of the utility model.

[0011] Figure numerals: 1. secondary reaction tower; 2. sample outlet pipe; 3. chlorosulfonic acid finished product pump; 4. chlorosulfonic acid finished product valve; 5. sealed sampler; 6. external sampling tube; 7. three-way valve; 8. sampling valve; 9. barrier valve. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0013] like Figure 1 As shown, a chlorosulfonic acid sampling device comprises a secondary reaction tower 1, the bottom of the secondary reaction tower 1 is connected to a storage tank in a chlorosulfonic acid tank area through a sample outlet pipe 2, a chlorosulfonic acid finished product pump 3 and a chlorosulfonic acid finished product valve 4 are arranged on the sample outlet pipe 2, and a sealed sampler 5 is arranged on the sample outlet pipe 2, and the sealed sampler 5 is connected to a sulfur trioxide gas and hydrogen chloride gas recovery production device through negative pressure. In the utility model, the sealed sampler 5 can conveniently complete sampling in a sealed environment, and the sulfur trioxide gas and hydrogen chloride gas are sent to the sulfur trioxide gas and hydrogen chloride gas recovery production device through negative pressure, thereby avoiding the situation that the chlorosulfonic acid gas will come out when the chlorosulfonic acid is sampled, and then decompose into sulfur trioxide gas and hydrogen chloride gas, enter the atmospheric environment, pollute the environment, and harm the sampling personnel.

[0014] Specifically, the sample outlet tube 2 described in this embodiment is connected to an external sampling tube 6, and both ends of the sampling tube 6 are respectively connected to corresponding positions of the sample outlet tube 2, and the sampling tube 6 is connected to the sealed sampler 5 through a three-way valve 7. The utility model conveniently realizes the sampling operation by connecting the external sampling tube 6 to the sealed sampler 5 through the three-way valve 7.

[0015] Specifically, a sampling valve 8 is provided on the sampling tube 6 described in this embodiment, and a barrier valve 9 is provided between the connection point between the sample outlet tube 2 and the sampling tube 6 and the connection point between the storage tank in the chlorosulfonic acid tank area.

[0016] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A chlorosulfonic acid sampling device, characterized in that: The invention comprises a secondary reaction tower (1), wherein the bottom of the secondary reaction tower (1) is connected to a storage tank in a chlorosulfonic acid tank area through a sample outlet pipe (2), a chlorosulfonic acid product pump (3) and a chlorosulfonic acid product valve (4) are arranged on the sample outlet pipe (2), a sealed sampler (5) is arranged on the sample outlet pipe (2), and the sealed sampler (5) is connected to a sulfur trioxide gas and hydrogen chloride gas recovery production device through negative pressure.

2. A chlorosulfonic acid sampling device according to claim 1, characterized in that: The sample outlet tube (2) is externally connected to a sampling tube (6), and both ends of the sampling tube (6) are respectively connected to corresponding positions of the sample outlet tube (2). The sampling tube (6) is connected to a sealed sampler (5) via a three-way valve (7).

3. A chlorosulfonic acid sampling device according to claim 2, characterized in that: A sampling valve (8) is arranged on the sampling tube (6), and a barrier valve (9) is arranged between the connection point between the sample outlet tube (2) and the sampling tube (6) and the connection point between the storage tank in the chlorosulfonic acid tank area.

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