CN210269346U

CN210269346U - Hydrogenation reaction device for detecting sulfur-containing substances

Info

Publication number: CN210269346U
Application number: CN201921113469.0U
Authority: CN
Inventors: 胡贵权; 胡瑞元
Original assignee: Hangzhou Baimai Technology Co Ltd
Current assignee: Hangzhou Baimai Technology Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-07
Anticipated expiration: 2029-07-16

Abstract

The utility model provides a hydrogenation device for containing sulphur thing detects, including admission line and reaction chamber, the admission line can communicate to the reaction intracavity, be equipped with appearance gas connector and hydrogen interface on the admission line, the entrance of reaction chamber is equipped with first separation net, the export of reaction chamber is equipped with second separation net. The utility model discloses a hydrogenation device suitable for contain sulphur thing and detect, the device is small, and compact structure can carry to the desulfurization reaction place, gathers and operates at the scene, through the device, can introduce the sample gas on scene to set up the reaction chamber, can allow the sample gas to carry out the transformation reaction in the reaction chamber, thereby carry out the preliminary treatment to containing sulphur thing, will contain the existence form of the sulphur element in the sulphur thing and convert, facilitate for follow-up detection.

Description

Hydrogenation reaction device for detecting sulfur-containing substances

Technical Field

The utility model relates to a gaseous conversion reaction unit that detects that contains sulphur thing.

Background

Tail gas desulfurization is one of basic processes in metallurgical industry, and tail gas generated in the metallurgical process contains a large amount of sulfides to cause environmental pollution, SO the tail gas must be firstly subjected to desulfurization treatment, and most of the tail gas in the industry at present is detected by referring to a national standard method to treat SO in the SO₂The content of (2) usually needs to ignite tail gas, detect through the luminosity of hydrogen flame, but because the operating mode gas in the testing process is flammable, explosive and highly toxic industrial gas, the fire source has high safety risk to it, therefore most current detection methods are from on-the-spot sampling, then transfer to the detection place and detect, consequently can't realize on-the-spot real-time monitoring, and, adopt the chromatogram to detect in the national standard method, the chromatogram separation needs time, this also makes the detection not have the real-time nature, and the chromatographic system constitutes complicacy in addition, the operation maintenance cost is high, the work load is big, the fault rate is high, consequently need to seek new scheme and solve this problem promptly.

Disclosure of Invention

The utility model aims to solve the technical problem that a hydrogenation device for containing sulphur detects is provided, can let in the sample gas after the desulfurization reaction and carry out the conversion reaction through the device, and the gas after the reaction can be applicable to real-time detection to solve the problem in the background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the hydrogenation reaction device for detecting the sulfur-containing substances is characterized by comprising an air inlet pipeline and a reaction cavity, wherein the air inlet pipeline can be communicated into the reaction cavity, a sample gas interface and a hydrogen interface are arranged on the air inlet pipeline, a first isolation net is arranged at an inlet of the reaction cavity, and a second isolation net is arranged at an outlet of the reaction cavity.

Further, a sample gas flow limiting valve is arranged on the sample gas interface and used for adjusting the flow of the sample gas; and the hydrogen interface is provided with a hydrogen flow limiting valve for adjusting the hydrogen flow.

In some preferred modes, the reaction chamber adopts a body type heat transfer chamber, and an inlet and an outlet are respectively arranged at two ends of the body type heat transfer chamber.

Further, the air inlet pipeline is connected to an inlet of the integral heat transfer cavity, and an outlet of the reaction cavity is connected to the air outlet interface.

Further, the sample gas interface and the hydrogen interface are converged at the inlet of the reaction chamber.

In some preferred modes, the reaction chamber adopts a coiled reaction tube, and a heat transfer body is arranged in a space coiled by the coiled reaction tube.

Further, an inlet of the coiled reaction tube is connected with an air inlet pipeline, and a first isolation net is arranged.

Further, a second isolation net is arranged at an outlet of the coiled reaction tube.

Further, the sample gas interface and the hydrogen interface are converged at the inlet of the coil type reaction tube.

The utility model has the advantages that: the utility model discloses a hydrogenation device suitable for contain sulphur thing and detect, the device is small, and compact structure can carry to the desulfurization reaction place, gathers and operates at the scene, through the device, can introduce the sample gas on scene to set up the reaction chamber, can allow the sample gas to carry out the transformation reaction in the reaction chamber, thereby carry out the preliminary treatment to containing sulphur thing, will contain the existence form of the sulphur element in the sulphur thing and convert, facilitate for follow-up detection.

Drawings

FIG. 1 is a sectional view of example 1.

FIG. 2 is a schematic view of example 2.

FIG. 3 is a sectional view of embodiment 2.

Detailed Description

Embodiments of the invention will be described in further detail with reference to the drawings, it being understood that the examples are illustrative only and should not be taken as limiting the invention, and that all of the features disclosed in the examples or all of the steps in any method or process disclosed herein can be combined in any way, except for mutually exclusive features and/or steps.

Example 1, reference is made to figure 1.

As shown in FIG. 1, the utility model discloses a hydrogenation device for containing sulphur thing detects, including admission line 1 and reaction chamber 18, admission line 1 can communicate with the inside of reaction chamber 18 for carry appearance gas in to reaction chamber 18, be equipped with appearance gas interface 21 and hydrogen interface 23 on the admission line 1, appearance gas can follow appearance gas interface 21 and let in admission line 1, and hydrogen can follow during hydrogen interface 23 lets in the admission line.

In some preferred forms, the hydroconversion reaction is carried out in reaction chamber 18 in order to convert other sulfides into H, which is more sensitive to UV light₂And S, providing feasibility for subsequent detection by adopting an ultraviolet visible spectrometer. The main reactions carried out in the reaction chamber are then:

COS+H₂＝CO+H₂S。

in some preferred modes, the catalyst may be used, for example, containing Al₂O₃、MnO₂、Fe₂O₃One or more of CuO, NaOH, KOH, CaO and CaOH. In some preferred modes, the catalyst can be in the form of bulk solid, granules or powder.

It should be noted that, the reaction process in the cavity is only for letting the technical staff in the field to better know the utility model discloses an use scene or application, not the utility model discloses the content that will protect, not the utility model discloses modified content, the utility model discloses the structure of reaction chamber is only protected.

In some preferred modes, a first separation net 15 is arranged at the inlet of the reaction chamber 18, a second separation net 19 is arranged at the outlet of the reaction chamber 18, and the first separation net and the second separation net are used for preventing the catalyst from leaking under the condition of gas circulation or impact.

In some preferred modes, a sample gas flow limiting valve 20 is arranged on the sample gas interface 21 and used for adjusting the sample gas flow; the hydrogen interface 23 is provided with a hydrogen flow limiting valve 22 for adjusting the hydrogen flow.

In some preferred modes, the sample gas flow limiting valve 20 and the hydrogen gas flow limiting valve 23 may adopt a valve form commonly known in the prior art, or may adopt a mode as shown in fig. 1, for example, the sample gas flow limiting valve 20 includes a rotary disc 201 extending outside, the rotary disc 201 is connected with a follow-up push rod 202, a flow limiting block 203 is arranged in the valve body, an elastic component 204 is arranged between the flow limiting blocks 203, when adjustment is required, the rotary disc 201 is rotated to push the push rod 202 to drive the flow limiting blocks 203 to move, the distance between the flow limiting blocks 203 is adjusted to adjust the gas flow rate allowed to pass through, when adjustment is required, the rotary disc 201 is released, and the elastic component 204 can release the relative distance between the flow limiting blocks 203 through accumulation force to increase. In some preferred modes, the elastic component 204 can be a spring with an anticorrosive coating, in some preferred modes, the elastic component 204 can also be omitted, and the flow limiting block 203 can be connected to the ejector rod 202, the ejector rod moves to a certain position, and the position of the flow limiting block 203 can also be determined.

In some preferred forms, the oxygen constrictor valve 22 may be of the same construction as the sample gas constrictor valve 20. In some preferred forms, the surfaces of the components within the sample gas restriction valve 20 may be treated to prevent corrosion.

In this embodiment, the reaction chamber 18 is a body type heat transfer chamber, and an inlet and an outlet are respectively arranged at two ends of the body type heat transfer chamber.

In some preferred forms, as shown, the inlet duct 1 is connected to the inlet of the integral heat transfer chamber, at which inlet a first separation mesh 15 is provided.

In some preferred modes, an outlet of the reaction chamber 18 is connected with the air outlet interface 17, and a second isolation net 19 is arranged at the outlet.

Example 2, see figures 2-3.

In this embodiment, the reaction chamber is a coiled catalytic reaction tube 18, and a heat transfer body 16 is disposed in a coiled space of the coiled reaction tube 18 for providing a reaction temperature to the coiled reaction tube.

Other embodiments of this example are the same as example 1.

Claims

1. The hydrogenation reaction device for detecting the sulfur-containing substances is characterized by comprising an air inlet pipeline and a reaction cavity, wherein the air inlet pipeline can be communicated into the reaction cavity, a sample gas interface and a hydrogen interface are arranged on the air inlet pipeline, a first isolation net is arranged at an inlet of the reaction cavity, and a second isolation net is arranged at an outlet of the reaction cavity.

2. The hydrogenation reaction device for detecting sulfur-containing substances as claimed in claim 1, wherein a sample gas flow limiting valve is arranged on said sample gas interface for adjusting the flow rate of the sample gas; and the hydrogen interface is provided with a hydrogen flow limiting valve for adjusting the hydrogen flow.

3. The hydrogenation reaction device for detecting sulfur-containing substances as claimed in claim 1 or 2, wherein said reaction chamber is a body-type heat transfer chamber, and an inlet and an outlet are respectively provided at two ends of the body-type heat transfer chamber.

4. The hydrogenation reaction device for detecting sulfur-containing substances as claimed in claim 3, wherein said gas inlet pipe is connected to the inlet of said integral heat transfer chamber, and the outlet of said reaction chamber is connected to the gas outlet port.

5. The hydrogenation reaction device for detecting sulfur-containing substances as claimed in claim 4, wherein said sample gas port and said hydrogen gas port are integrated at an inlet of said reaction chamber.

6. The hydrogenation reaction device for detecting sulfur-containing substances as claimed in claim 1 or 2, wherein said reaction chamber is a coiled reaction tube, and a heat transfer body is disposed in a space coiled by said coiled reaction tube.

7. The hydrogenation reaction device for detecting sulfur-containing substances as claimed in claim 6, wherein the inlet of said coiled reaction tube is connected with an air inlet pipeline and is provided with a first isolation net.

8. The hydrogenation reaction device for detecting sulfur-containing substances as claimed in claim 6, wherein a second separation net is arranged at the outlet of said coiled reaction tube.

9. The hydrogenation reaction device for detecting sulfur-containing substances as claimed in claim 6, wherein said sample gas port and said hydrogen gas port are integrated at the inlet of said coil-type reaction tube.

10. The hydrogenation reactor for detecting sulfur-containing substances as claimed in claim 1, wherein the length and depth of said reactor are not more than 1.5m x 1.5 m.