CN213995794U - Oxygen exhausting device - Google Patents
Oxygen exhausting device Download PDFInfo
- Publication number
- CN213995794U CN213995794U CN202022362461.7U CN202022362461U CN213995794U CN 213995794 U CN213995794 U CN 213995794U CN 202022362461 U CN202022362461 U CN 202022362461U CN 213995794 U CN213995794 U CN 213995794U
- Authority
- CN
- China
- Prior art keywords
- way valve
- gas
- component
- methane
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The embodiment of the utility model provides an oxygen exhaust device, including first six-way valve; a PQ column; a second six-way valve; the standard gas detection device is arranged in the second six-way valve; a metal tube; emptying the assembly; a methane converter and a methane detector; the input end of the metal pipe is connected with the second six-way valve 4, and the output end of the metal pipe is connected with the second six-way valve 1; the emptying assembly is connected with 2 of the second six-way valve, and the output end of the PQ column is connected with 5 of the second six-way valve; the methane conversion furnace is respectively connected with the methane detector and the 6 of the second six-way valve. The utility model discloses a mark gas detection device is right each number position of second six-way valve is cut the valve, makes its each number position connection and changes to make carbon dioxide gas get into the methane-converting furnace through 5 to 6 numbers position in the air, other components in the air through 3 to 4 numbers position entering metal tube after, advance 1 to 2 numbers position emptyings, get rid of through other components of air that will contain oxygen, and then get rid of oxygen and touch the injury of coal to the nickel.
Description
Technical Field
The embodiment of the utility model provides an oxygen exhausting device relates to gas separation technical field, concretely relates to.
Background
Refer to fig. 1, which is a structure before the oxygen discharging device is transformedSchematic block diagram, the device is that the sample enters the quantitative ring valve 1 (i.e. the first six-way valve A) to open the gas to enter Col1 (i.e. PQ column (9), PORAPAK. Q column), and other component gases containing oxygen and CO in the air are mixed with the gas through PQ column (9)2Separating according to the boiling point temperature and the diameter of the gas, and separating other components to obtain CO2And (6) discharging. The other component gas enters Col2 (namely 5A column (10) and MoiSieve 5A) under the drive of the carrier gas, and the other component gas completely enters the 5A column and CO2When not entering, the valve 2 (i.e., the second six-way valve (A)) is opened, CO is turned on2The damping (11) enters the methane conversion furnace (7) to be converted into CH4Then into the FID (i.e., methane detector); to be treated with CO2Entering a methane conversion furnace (7), closing a valve 2, separating other components and CO in a column 2, first-out other components, discharging CO later, and introducing CO into CH4Conversion of the converter to CH4And then into the FID.
Before modification, the device is used for preparing trace CO and CO2, and the air separation molecular sieve outlet is used for preparing trace CO 2. However, the air oxygen content of the gas at the outlet of the molecular sieve is 21%, the FID detector detects that CO2 needs to be converted into methane through the methane converter for detection, and oxygen oxidizes the nickel catalyst of the methane converter to reduce the service life of nickel contacting coal, so that doped oxygen needs to be removed before CO2 is fed into the methane converter to reduce the damage to the nickel contacting coal.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides an arrange oxygen device, the device is connected detector to six-way valve 6 positions, and the 5 position import is connected 4 position exports and is connected 1 position. The No. 3 position is added with a carrier gas component, and the No. 2 position is connected with an exhaust port and is added with damping. Oxygen in the air is well removed, and the influence on nickel contacting coal is reduced. The specific technical scheme is as follows:
according to the utility model discloses the embodiment provides an oxygen discharging device, include:
a first six-way valve (a) for injecting air gas; the first six-way valve comprises six valve ports;
a PQ column (9) with an input end connected with the No. 4 position of the first six-way valve and used for separating carbon dioxide in the injected air gas and other component gases in the air according to the gas boiling temperature and the gas diameter;
a second six-way valve (B) for conveying the separated carbon dioxide and the other component gas; the second six-way valve comprises six valve ports;
the standard gas detection device is arranged at the position of a valve core (12) in the second six-way valve and is used for switching the second six-way valve;
a vent assembly (16) for venting the other component gases from the No. 4 input of the second six-way valve (B) that are further flowing through the metal tube (14), No. 1 and No. 2;
a metal tube for transporting the other component gas;
a carrier gas component (15) for pushing the other component gas out of the vent component (16), the carrier gas component being connected to position 3 of the second six-way valve;
a methane converter (7) for converting the carbon dioxide passing through the No. 5 and No. 6 positions after being output from the PQ column (9);
a methane detector (8) for detecting the methane gas obtained after the treatment;
the input end of the metal pipe is connected with the No. 4 position of the second six-way valve (B), and the output end of the metal pipe is connected with the No. 1 position of the second six-way valve (B); the emptying component (16) is connected with the No. 2 position of the second six-way valve (B), and the output end of the PQ column (9) is connected with the No. 5 position of the second six-way valve (B); and the methane conversion furnace (7) is respectively connected with the methane detector (8) and the 6 th position of the second six-way valve (B).
Further, the metal tube (14) is a copper tube.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides an oxygen exhaust device, including the first six-way valve that is used for injecting air gas; the first six-way valve comprises six valve ports; a PQ column with an input end connected with the No. 4 position of the first six-way valve, for separating carbon dioxide and other component gases in the injected air gas according to gas boiling temperature and gas diameter; a second six-way valve for delivering the separated carbon dioxide and the other component gas in different delivery paths; the second six-way valve comprises six valve ports; the standard gas detection device is arranged in the second six-way valve and is used for switching the second six-way valve; a metal tube for transporting the other component gas; a venting assembly for venting other air components with oxygen; a methane converter and a methane detector; the input end of the metal pipe is connected with the No. 4 position of the second six-way valve, and the output end of the metal pipe is connected with the No. 1 position of the second six-way valve; the emptying assembly is connected with the No. 2 position of the second six-way valve, and the output end of the PQ column is connected with the No. 5 position of the second six-way valve; and the methane conversion furnace is respectively connected with the methane detector and the 6 th position of the second six-way valve. The embodiment of the utility model provides a pair of oxygen discharging device, the utility model discloses a mark gas detection device is right each number position of second six-way valve is cut the valve, makes its each number position relation of connection transform to make carbon dioxide gas get into methane conversion stove through 5 to 6 numbers position in the air, other components in the air get into behind the tubular metal resonator through 3 to 4 numbers position, advance 1 to 2 numbers position unloading, get rid of through other components in the air that will contain oxygen, and then get rid of oxygen and touch the injury of coal to nickel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic block diagram of a structure of an oxygen discharge device provided by the present invention before modification;
FIG. 2 is a block diagram showing the structure of the valve element in a closed state after the oxygen discharging device is modified;
FIG. 3 is a block diagram showing the structure of the valve element in an open state after the oxygen discharging device is modified;
in the figure: a: a first six-way valve; b: a second six-way valve; 1:1 position; 2:2 position; 3:3 position; 4:4 position; 5:5 position; 6:6 position; 7: a methane converter; 8: a methane detector; 9: PQ column: a 10:5A column; 11: damping; 12: a valve core; 14: a metal tube; 15: a carrier gas component; 16: emptying the assembly; 20: and (4) a quantitative ring.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides an oxygen exhaust device, including first six-way valve; a PQ column; a second six-way valve; the standard gas detection device is arranged in the second six-way valve; a metal tube; emptying the assembly; a methane converter and a methane detector; the input end of the metal pipe is connected with the second six-way valve 4, and the output end of the metal pipe is connected with the second six-way valve 1; the emptying assembly is connected with 2 of the second six-way valve, and the output end of the PQ column is connected with 5 of the second six-way valve; the methane conversion furnace is respectively connected with the methane detector and the 6 of the second six-way valve. The utility model discloses a mark gas detection device is right each number position of second six-way valve is cut the valve, makes its each number position connection and changes to make carbon dioxide gas get into the methane-converting furnace through 5 to 6 numbers position in the air, other components in the air through 3 to 4 numbers position entering metal tube after, advance 1 to 2 numbers position emptyings, get rid of through other components of air that will contain oxygen, and then get rid of oxygen and touch the injury of coal to the nickel.
The specific technical scheme is as follows:
the utility model provides a pair of oxygen discharging device, include: a first six-way valve (a) for injecting air gas; the first six-way valve comprises six valve ports; a PQ column (9) with an input end connected with the No. 4 position of the first six-way valve and used for separating carbon dioxide in the injected air gas and other component gases in the air according to the gas boiling temperature and the gas diameter; a second six-way valve (B) for conveying the separated carbon dioxide and the other component gas; the second six-way valve comprises six valve ports; the standard gas detection device is arranged at the position of a valve core (12) in the second six-way valve and is used for switching the second six-way valve; a vent assembly (16) for venting the other component gases from the No. 4 input of the second six-way valve (B) that are further flowing through the metal tube (14), No. 1 and No. 2; a metal tube for transporting the other component gas; a carrier gas component (15) for pushing the other component gas out of the vent component (16), the carrier gas component being connected to position 3 of the second six-way valve; a methane converter (7) for converting the carbon dioxide passing through the No. 5 and No. 6 positions after being output from the PQ column (9); and a methane detector (8) for detecting the methane gas obtained after the treatment. The metal pipe (14) is a copper pipe.
Fig. 2 is a schematic structural diagram of the oxygen discharging device in a closed state of the second six-way valve (B); at the moment, when the gas marking detection device does not detect carbon dioxide, at the moment, carbon dioxide gas does not enter the second six-way valve (B), and after other component gases with oxygen in the air enter the second six-way valve (B), the input end of the metal pipe is connected with the No. 4 position of the second six-way valve, and the output end of the metal pipe is connected with the No. 1 position; carrier gas subassembly (15) are connected with number 3 position, and unloading subassembly (16) are connected with number 2 position, and number 5 position is connected with number 4 position, and number 3 position is connected with number 2 position, and number 1 position is connected with number 6 position. At the moment, air gas injected into the first six-way valve (A) enters a PQ column for separation to obtain carbon dioxide and other component gases; other component gases enter the metal tube. Referring to fig. 3, fig. 3 is a schematic structural diagram of the second six-way valve of the oxygen discharge device according to the present invention in the open state, when other component gases in the air enter the metal tube through the position 4 of the second six-way valve (B); when the standard gas detection device detects carbon dioxide, the second six-way valve (B) is controlled to be switched, the valve core (12) rotates, and at the moment, before the carbon dioxide gas enters the second six-way valve, the connection relations of the positions of the second six-way valve (B) are as follows: the No. 4 position with No. 3 position is connected, No. 2 position with No. 1 position is connected, No. 5 position with No. 6 position is connected. Carbon dioxide gas directly enters a No. 5 position of the second six-way valve (B) from the PQ column (9) and then enters a methane conversion furnace (7) for conversion from a communicated No. 6 position; other component gases in the metal pipe enter the emptying component (16) to be discharged from the position 1 and the position 2 under the pushing of the carrier gas component (15).
The PQ column is a columnar structure for separating carbon dioxide from other gas components in the air.
The No. 1 position of the application is a sample inlet, the No. 2 position is a sample outlet, and the quantitative ring 20 is used for quantitatively storing samples; and a sample is input from the sample inlet at the No. 1 position, and after a certain amount of sample is stored in the quantitative ring, the valve core is cut off, and the carrier gas carries the sample to enter the PQ column.
Because the existing 5A column is easily combustible during gas separation and transport, in an alternative embodiment of the present application, the existing 5A column is replaced with a metal tube, which is a copper tube, in view of economic cost.
In an optional implementation manner of the application, after the standard gas detection device detects carbon dioxide gas, an early warning can be given to relevant personnel to manually switch the valve of the second six-way valve, and automatic equipment can also be directly adopted to switch the valve.
The embodiment of the utility model provides a have following advantage:
the utility model discloses a mark gas detection device is right each number position of second six-way valve is cut the valve, makes its each number position connection and changes to make carbon dioxide gas get into the methane-converting furnace through 5 to 6 numbers position in the air, other components in the air through 3 to 4 numbers position entering metal tube after, advance 1 to 2 numbers position emptyings, get rid of through other components of air that will contain oxygen, and then get rid of oxygen and touch the injury of coal to the nickel.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (2)
1. An oxygen discharge device, comprising:
a first six-way valve (a) for injecting air gas; the first six-way valve comprises six valve ports;
a PQ column (9) with an input end connected with the No. 4 position of the first six-way valve and used for separating carbon dioxide in the injected air gas and other component gases in the air according to the gas boiling temperature and the gas diameter;
a second six-way valve (B) for conveying the separated carbon dioxide and the other component gas; the second six-way valve comprises six valve ports;
the standard gas detection device is arranged at the position of a valve core (12) in the second six-way valve and is used for switching the second six-way valve;
a vent assembly (16) for venting the other component gases from the No. 4 input of the second six-way valve (B) that are further flowing through the metal tube (14), No. 1 and No. 2;
a metal tube for transporting the other component gas;
a carrier gas component (15) for pushing the other component gas out of the vent component (16), the carrier gas component being connected to position 3 of the second six-way valve;
a methane converter (7) for converting the carbon dioxide passing through the No. 5 and No. 6 positions after being output from the PQ column (9);
a methane detector (8) for detecting the methane gas obtained after the treatment;
the input end of the metal pipe is connected with the No. 4 position of the second six-way valve (B), and the output end of the metal pipe is connected with the No. 1 position of the second six-way valve (B); the emptying component (16) is connected with the No. 2 position of the second six-way valve (B), and the output end of the PQ column (9) is connected with the No. 5 position of the second six-way valve (B); and the methane conversion furnace (7) is respectively connected with the methane detector (8) and the 6 th position of the second six-way valve (B).
2. The oxygen extraction device according to claim 1, wherein the metal tube (14) is a copper tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022362461.7U CN213995794U (en) | 2020-10-21 | 2020-10-21 | Oxygen exhausting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022362461.7U CN213995794U (en) | 2020-10-21 | 2020-10-21 | Oxygen exhausting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213995794U true CN213995794U (en) | 2021-08-20 |
Family
ID=77300274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022362461.7U Active CN213995794U (en) | 2020-10-21 | 2020-10-21 | Oxygen exhausting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213995794U (en) |
-
2020
- 2020-10-21 CN CN202022362461.7U patent/CN213995794U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102128894B (en) | Online analytical chromatograph and chromatographic detection method for gases in insulating oil | |
| CN201191278Y (en) | Polypropylene on-line gas analysis system | |
| CN202974980U (en) | Total organic carbon detection device | |
| CN213995794U (en) | Oxygen exhausting device | |
| CN105275558A (en) | Multichannel routing inspection type diesel engine tail gas detection device | |
| CN105973671B (en) | The nitrous oxide gas nitrogen oxygen isotope analysis instrument that denitrifying bacteria method generates | |
| CN204228688U (en) | A kind of VOC gas and NMHC gas-detecting device | |
| CN210401332U (en) | Detect CO in boiler waste gas2CO and CH4Gas chromatograph | |
| CN217450035U (en) | Volatile organic compound removing device | |
| CN213875557U (en) | Benzene series fourteen-way valve gas circuit system | |
| CN212301505U (en) | Online sampling device | |
| CN214953260U (en) | Volatile organic compound monitoring device | |
| CN209028045U (en) | The test macro of radioactivity debirs pyrolytic process intermediate stage gas analysis | |
| CN213516523U (en) | Gas sampling detection device in tundish | |
| CN207703563U (en) | A kind of polyformaldehyde is without discharge sampler | |
| CN112629955A (en) | Parallel CEMS flue gas sampling system | |
| CN111289311A (en) | Mixed emergency cooling type high-temperature flue gas sampling device and method | |
| CN211453104U (en) | Integrated universal device for dewatering and sampling preconcentration | |
| CN2620277Y (en) | Gas flow circuit device for heat desorption apparatus | |
| CN210604522U (en) | Gas composition analyzer in ammonia synthesis | |
| CN220322078U (en) | Calcium carbide furnace annular feeding and material shortage monitoring device | |
| CN111855922A (en) | Online sampling device | |
| CN111505188A (en) | Volatile organic compounds VOCs multichannel on-line monitoring system | |
| CN111948168B (en) | Measuring system | |
| CN212483471U (en) | High-temperature separation detection double-valve box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |