CN212483338U - Infrared carbon and sulfur analyzer - Google Patents

Abstract

The utility model relates to an element content analysis field especially relates to an infrared carbon sulphur analysis appearance, its characterized in that: the device comprises a bottom plate, a first sulfur mounting seat, a second sulfur mounting seat, a carbon mounting seat, an outer shell, a switching power supply and a main control board; a sulfur absorption cell pipe is arranged in the first sulfur mounting seat and the second sulfur mounting seat, a sulfur chamber air inlet is arranged on the first sulfur mounting seat, and a sulfur chamber air outlet is arranged on the second sulfur mounting seat; a carbon absorption pool pipe is horizontally arranged in the carbon mounting seat in a through manner, a carbon chamber air inlet is arranged on the left side of the carbon mounting seat, and a carbon chamber air outlet is arranged on the right side of the carbon mounting seat; the sulfur chamber air inlet, the sulfur absorption cell pipe and the sulfur chamber air outlet form a sulfur chamber channel, and the carbon chamber air inlet, the carbon absorption cell pipe and the carbon chamber air outlet form a carbon chamber channel; the sulfur absorption cell pipe and the carbon absorption cell pipe are both gold-plated pipes, the inner walls of the sulfur absorption cell pipe and the carbon absorption cell pipe are of internal thread structures, and jacket assemblies are arranged outside the sulfur absorption cell pipe and the carbon absorption cell pipe. The utility model discloses it is high to detect the precision.

Description

Infrared carbon and sulfur analyzer

Technical Field

The utility model relates to an element content analysis field especially relates to an infrared carbon sulphur analysis appearance.

Background

The carbon and sulfur content is the most main factor influencing the quality of large-scale industrial production base materials such as steel, alloy and the like. Fully burning an analysis sample by using a high-frequency furnace/electric arc furnace under the oxygen-enriched condition to generate gas containing CO2 and SO2, absorbing the gas in a constant-temperature absorption cell by using an infrared carbon and sulfur analyzer by utilizing the principle that CO2 and SO2 absorb infrared light energy with specific wavelength, converting content concentration signals of CO2 and SO2 into voltage signals, and analyzing the voltage signals to obtain the contents of CO2 and SO2, SO that the contents of carbon and sulfur are correspondingly obtained;

the existing infrared carbon and sulfur analyzer has a complex structure and low detection precision.

Disclosure of Invention

The utility model aims at providing an infrared carbon sulphur analysis appearance, simple structure, detection precision height.

For solving the above technical problem, the technical scheme of the utility model is that: the device comprises a bottom plate, a first sulfur mounting seat, a second sulfur mounting seat, a carbon mounting seat, an outer shell, a switching power supply and a main control board; the bottom plate, the switching power supply and the main control board are all arranged inside the outer shell, the first sulfur mounting seat, the second sulfur mounting seat and the carbon mounting seat are all arranged above the bottom plate, the side wall of the outer shell is provided with an air inlet connector for inputting gas to be detected and an air outlet connector for discharging the gas after the gas is detected, the side wall of the outer shell is also provided with a power connector, a power key and a signal connector, the power connector is electrically connected to the input end of the switching power supply and used for supplying power to the switching power supply by external alternating current, the power key is electrically connected between the power connector and the input end of the switching power supply, and the signal connector is electrically connected to the output end of the main control board and used;

the first sulfur mounting seat, the second sulfur mounting seat and the carbon mounting seat are arranged on the bottom plate; the first sulfur mounting seat and the carbon mounting seat are positioned on the left side of the bottom plate, the first sulfur mounting seat is positioned on the front side of the carbon mounting seat, the left side of the first sulfur mounting seat and the left side of the carbon mounting seat are flush, the right side of the first sulfur mounting seat and the left side of the carbon mounting seat extend rightwards, the horizontal width of the carbon mounting seat is larger than that of the first sulfur mounting seat, and the first sulfur mounting seat and the carbon mounting seat are integrally formed to form the carbon sulfur mounting seat; the second sulfur mounting seat is positioned on the right side of the bottom plate; an infrared light source mounting hole is formed in the left side of the carbon-sulfur mounting seat, and an infrared light source is mounted in the infrared light source mounting hole;

sulfur absorption cell tubes are installed in the first sulfur installation seat and the second sulfur installation seat, cylindrical through holes for installing the sulfur absorption cell tubes are horizontally arranged in the first sulfur installation seat and the second sulfur installation seat, the left side of each sulfur absorption cell tube is located in the through hole of the first sulfur installation seat, the right side of each sulfur absorption cell tube is located in the through hole of the second sulfur installation seat, a sulfur chamber air inlet communicated with the left side of each sulfur absorption cell tube is formed in the first sulfur installation seat, the sulfur chamber air inlet is connected to an air inlet connector through a hose, a sulfur chamber air outlet communicated with the right side of each sulfur absorption cell tube is formed in the second sulfur installation seat, and a sulfur chamber channel is formed by the sulfur chamber air inlet, the sulfur absorption cell tubes and the sulfur chamber air outlets; a step-shaped sulfur chamber light-transmitting sheet mounting hole is formed in the position, corresponding to the left end of the sulfur absorption cell tube, of the first sulfur mounting seat and the position, corresponding to the right end of the sulfur absorption cell tube, of the second sulfur mounting seat; a sulfur chamber light-transmitting sheet is arranged in the sulfur chamber light-transmitting sheet mounting hole, and the outer edge of the sulfur chamber light-transmitting sheet is attached to the inner wall of the sulfur chamber light-transmitting sheet mounting hole and is connected with the sulfur chamber light-transmitting sheet mounting hole in an adhesive manner; the left side and the right side of the sulfur absorption cell tube are attached to one surface, close to the sulfur absorption cell tube, of the sulfur chamber light-transmitting sheet mounting hole; a step-shaped first jacket mounting hole is formed in the right end face of the through hole of the first sulfur mounting seat, and a step-shaped second jacket mounting hole is formed in the left end face of the through hole of the second sulfur mounting seat;

a carbon absorption pool pipe is horizontally arranged in the carbon mounting seat in a through mode, a carbon chamber air inlet communicated with the left side of the carbon absorption pool pipe is formed in the left side of the carbon mounting seat, the carbon chamber air inlet is connected to a sulfur chamber air outlet through a hose, a carbon chamber air outlet communicated with the right side of the carbon absorption pool pipe is formed in the right side of the carbon mounting seat, and the carbon chamber air outlet is connected to an air outlet connector through a hose; the carbon chamber air inlet, the carbon absorption pool pipe and the carbon chamber air outlet form a carbon chamber channel; step-shaped carbon chamber light-transmitting sheet mounting holes are formed in the positions, corresponding to the carbon mounting seats, of the left end and the right end of the carbon absorption pool tube, carbon chamber sensor mounting holes are formed in the right ends of the carbon chamber light-transmitting sheet mounting holes in the right side of the carbon mounting seats, and carbon chamber sensors electrically connected to a main control board are mounted in the carbon chamber sensor mounting holes; the carbon chamber light-transmitting sheet is arranged in the carbon chamber light-transmitting sheet mounting hole, and the outer edge of the carbon chamber light-transmitting sheet is attached to the inner wall of the carbon chamber light-transmitting sheet mounting hole and is connected with the inner wall in an adhesive mode; the left side and the right side of the carbon absorption pool tube are attached to one surface, close to the carbon absorption pool tube, of the carbon chamber light-transmitting piece mounting hole;

the sulfur absorption pool pipe and the carbon absorption pool pipe are both gold-plated pipes, the inner walls of the sulfur absorption pool pipe and the carbon absorption pool pipe are of internal thread structures, and jacket assemblies are arranged outside the sulfur absorption pool pipe and the carbon absorption pool pipe.

According to the scheme, internal threads of the inner walls of the sulfur absorption cell pipe and the carbon absorption cell pipe are arc threads, the inner diameter of the threads is larger than the inner diameter of the hole opening of the sulfur chamber light-transmitting piece mounting hole close to the sulfur absorption cell pipe, and the inner diameter of the threads is larger than the inner diameter of the hole opening of the carbon chamber light-transmitting piece mounting hole close to the carbon absorption cell pipe; the gas improves the dispersity of passing through in sulphur absorption cell pipe and carbon absorption cell pipe through the internal thread, and the light-transmitting piece mounting hole is less than the internal thread internal diameter near the drill way internal diameter of absorption cell pipe, and the light beam passes from the absorption cell pipe middle part as far as possible, reduces the influence of screw thread to the light beam, improves and detects the precision.

According to the scheme, the jacket assembly comprises a first jacket mounting seat, a second jacket mounting seat, a first inner sleeve, a second inner sleeve and an outer sleeve, wherein the first jacket mounting seat, the second jacket mounting seat, the first inner sleeve, the second inner sleeve and the outer sleeve are all of cylindrical sleeve structures with hollow interiors; the outer wall of one end of the first jacket mounting seat is in threaded connection with the inner wall of the first jacket mounting seat, the inner wall of the other end of the first jacket mounting seat is in threaded connection with the outer wall of one end of the first inner sleeve, the outer wall of one end of the second jacket mounting seat is in threaded connection with the inner wall of the second jacket mounting seat, the outer wall of the other end of the second jacket mounting seat is in threaded connection with the outer wall of one end of the second inner sleeve, the outer sleeve is positioned in the middle of the first jacket and the second jacket, and the inner walls of; the first jacket mounting seat, the second jacket mounting seat, the first inner sleeve, the second inner sleeve and the outer sleeve are in no contact with the outer wall of the sulfur absorption pool pipe, and gaps are reserved; the first jacket mounting seat, the second jacket mounting seat, the first inner sleeve, the second inner sleeve and the outer sleeve are in threaded connection, when the length of the internal sulfur absorption pool pipe needs to be changed, the length of the jacket formed by the first inner sleeve, the second inner sleeve and the outer sleeve can be changed through threaded connection, the adjustment is flexible, and the length of the jacket is matched with the length of the sulfur absorption pool pipe without additional customization.

According to the scheme, the thicknesses of the first inner sleeve, the second inner sleeve and the outer sleeve are not less than 5mm, and the influence of the external temperature on the temperature of gas in the sulfur absorption cell tube is reduced.

According to the scheme, the inner walls of the sulfur chamber air inlet, the sulfur chamber exhaust port, the carbon chamber air inlet and the carbon chamber exhaust port are in a threaded shape, and threaded quick-connection plugs are mounted on the sulfur chamber air inlet, the sulfur chamber exhaust port, the carbon chamber air inlet and the carbon chamber exhaust port; the threaded connecting part of the threaded quick-connection plug is made of brass; the threaded connection parts of the threaded quick connection plugs arranged on the sulfur chamber air inlet, the sulfur chamber air outlet, the carbon chamber air inlet and the carbon chamber air outlet are made of brass materials, have ductility and realize the sealing connection among the sulfur chamber air inlet, the sulfur chamber air outlet, the carbon chamber air inlet, the carbon chamber air outlet and the threaded quick connection plugs; the sulfur chamber channel and the carbon channel are ensured to be sealed by the sealing connection mode; the sealing structure which is made of copper material and is matched with glue replaces the flexible sealing of a rigid sealing ring and an elastic sealing ring which are made of copper, so that the sealing effect is good, the structure is simple, the service time is long, and the cost is low;

according to above scheme, the screw thread connects the elbow that the plug is the right angle structure soon, and sulphur room air inlet, sulphur room gas vent, carbon room air inlet and carbon room gas vent are towards the top, and quick connector is the elbow, makes to connect enough and external hose and all keeps the level, conveniently connects, and the leakproofness is good, saves space.

According to the scheme, the main control board is provided with a main control module, and the main control module adopts an ST89C52 singlechip.

According to the scheme, the rear side of the carbon mounting seat is provided with the connecting seat which is of a right-angle structure, one right-angle edge of the connecting seat is connected to the carbon mounting seat through a bolt, the left side and the right side of the other right-angle edge of the connecting seat are respectively provided with the mounting column, and the right end of the carbon mounting seat is provided with the mounting column; the detecting head of the carbon chamber sensor is positioned in the carbon chamber sensor mounting hole, the wiring part of the carbon chamber sensor is provided with a carbon chamber sensor signal plate, and mounting columns which are not connected to the right side of the right-angle side of the connecting seat and are mounted at the right end of the carbon mounting seat are used for mounting the carbon chamber sensor signal plate, so that the carbon chamber sensor signal plate is vertically arranged and does not occupy space; in addition, infrared source mounting hole is used for installing infrared source, and infrared source sets the infrared source control panel, is not connected and is equipped with the erection column that is used for installing the infrared source control panel in the right-angle side left side of connecting seat, makes the vertical setting of infrared source control panel, occupation space not.

According to the scheme, the right end of the second sulfur mounting seat is provided with a mounting column; the detecting head of sulphur room sensor is located sulphur room sensor mounting hole, and the wiring part of sulphur room sensor has set sulphur room sensor signal board, and the erection column of sulphur mount pad right-hand member installation is used for installing sulphur room sensor signal board, makes the vertical setting of sulphur room sensor signal board, occupation space, compact structure not.

The utility model discloses following beneficial effect has:

the gas detection in the sulfur absorption cell pipe of the utility model requires stable temperature, and the jacket component is sleeved outside the sulfur absorption cell pipe, thereby reducing the influence on the gas temperature in the absorption cell pipe and improving the detection precision; in addition, the jacket assembly plays a role in protecting the sulfur absorption pool pipe, so that the stability of the device is improved;

the sulfur absorption pool pipe and the carbon absorption pool pipe are both copper galvanized pipes, the copper material is good in ductility, sealing between the copper material and the light-transmitting sheet can be realized by means of micro deformation of the copper surface and matching adhesion, the light-transmitting sheet is attached to the inner wall of the light-transmitting sheet mounting hole and is connected in an adhesive mode to realize sealing, and the sealing performance is guaranteed to be a large factor for guaranteeing detection accuracy; the sealing connection mode of the utility model ensures the sealing performance of the sulfur chamber channel and the carbon chamber channel; the sealing structure which is made of copper material and is matched with glue replaces the flexible sealing of a rigid sealing ring and an elastic sealing ring which are made of copper, so that the sealing effect is good, the structure is simple, the service time is long, and the cost is low;

the inner walls of the carbon absorption cell pipe and the sulfur absorption cell pipe are both of internal thread structures, and the spiral carbon absorption cell pipe and the spiral sulfur absorption cell pipe improve the dispersity of gas and ensure the uniformity of the gas passing through the absorption cell pipe, thereby improving the detection accuracy and the detection precision;

the utility model discloses on all locating the bottom plate with first sulphur mount pad, second sulphur mount pad, the carbon mount pad, first sulphur mount pad and carbon mount pad constitute carbon sulphur mount pad for integrated into one piece, install sulphur absorption cell pipe in first sulphur mount pad and the second sulphur mount pad, horizontal link up in the carbon mount pad installs carbon absorption cell pipe, sulphur room air inlet, sulphur absorption cell pipe and sulphur room gas vent have constituted sulphur room passageway, carbon room air inlet, carbon absorption cell pipe and carbon room gas vent have constituted carbon room passageway, moreover, the steam generator is simple in structure.

Drawings

FIG. 1 is a schematic view of the overall structure of an apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic block diagram of the overall structure of the embodiment of the present invention;

fig. 3 is a schematic front-side overall structure diagram of the present embodiment without the outer casing, the switching power supply, and the main control board;

FIG. 4 is a schematic view of the rear side of FIG. 3 with the infrared light source omitted;

FIG. 5 is a schematic top view of the structure of FIG. 4;

FIG. 6 is a schematic cross-sectional front view taken along line A-A of FIG. 5;

fig. 7 is a schematic cross-sectional view taken along line B-B of fig. 5.

Reference numerals:

1. a base plate;

2. a first sulfur mount; 201. a sulfur chamber air inlet; 202. a first jacket mounting hole;

3. a second sulfur mount; 301. a sulfur chamber exhaust port; 302. a second jacket mounting hole;

4. a carbon mount; 401. a carbon chamber inlet; 402. a carbon chamber exhaust port;

5. a sulfur absorption cell tube;

6. a carbon absorption cell tube;

7. a sulfur chamber light transmitting sheet mounting hole;

8. a carbon chamber light transmitting sheet mounting hole;

9. a sulfur chamber sensor mounting hole;

10. a carbon chamber sensor mounting hole;

11. an infrared light source mounting hole;

12. a connecting seat;

13. mounting a column;

14. a jacket assembly; 1401. a first jacket mount; 1402. a second jacket mount; 1403. a first inner sleeve; 1404. a second inner sleeve; 1405. a jacket;

15. an outer housing; 1501. an air inlet joint; 1502. an air outlet joint; 1503. a power supply connector; 1504. a power supply key; 1505. a signal connector;

16. a switching power supply;

17. a main control board;

18. an infrared light source;

19. a sulfur chamber sensor;

20. a carbon chamber sensor;

21. a sulfur chamber sensor signal plate;

22. a carbon chamber sensor signal board;

23. a light source driving board.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, the present invention is an infrared carbon and sulfur analyzer, wherein the direction indicated by the arrow F in fig. 1 and 2 is the front side, and the infrared carbon and sulfur analyzer includes: the device comprises a bottom plate 1, a first sulfur mounting seat 2, a second sulfur mounting seat 3, a carbon mounting seat 4, an outer shell 15, a switching power supply 16 and a main control board 17; the base plate 1, switching power supply 16 and main control board 17 all locate inside the shell body 15, first sulphur mount pad 2, second sulphur mount pad 3 and carbon mount pad 4 all locate bottom plate 1 top, the lateral wall of shell body 15 is equipped with the joint of giving vent to anger 1502 that is used for inputting the gaseous air inlet connector 1501 that awaits measuring and is used for gaseous exhaust when gaseous survey is accomplished, the lateral wall of shell body 15 still is equipped with power connection 1503, power button 1504 and signal connector 1505, power connection 1503 is electrically connected to switching power supply 16 input and is used for external alternating current to supply power for switching power supply 16, power button 1504 is electrically connected between power connection 1503 and switching power supply 16 input, signal connector 1505 is electrically connected to the output of main control board 17 and is used for transmitting the carbon sulphur analysis signal that main control board 17 exported to the signal display device that.

The switching power supply 16 is used for converting an external 220V voltage into 12V voltage to provide working voltage for the main control board 17 and the infrared light source 18, and the switching power supply 16 is a switching power supply 16 which is currently manufactured by Minwei corporation and has a model number of NED-75A. The main control board 17 is provided with a main control module which adopts an ST89C52 singlechip.

The device comprises a bottom plate 1, and a first sulfur mounting seat 2, a second sulfur mounting seat 3 and a carbon mounting seat 4 which are arranged on the bottom plate 1; the first sulfur mounting seat 2 and the carbon mounting seat 4 are both positioned on the left side of the bottom plate 1, the first sulfur mounting seat 2 is positioned on the front side of the carbon mounting seat 4, the left side of the first sulfur mounting seat 2 is flush with the left side of the carbon mounting seat 4, the right side of the first sulfur mounting seat 2 extends rightwards, the horizontal width of the carbon mounting seat 4 is larger than that of the first sulfur mounting seat 2, and the first sulfur mounting seat 2 and the carbon mounting seat 4 are integrally formed to form the carbon sulfur mounting seat; the second sulfur mounting seat 3 is positioned on the right side of the bottom plate 1; an infrared light source mounting hole 11 is formed in the left side of the carbon-sulfur mounting seat, and an infrared light source 18 is mounted in the infrared light source mounting hole 11; in this embodiment, the infrared light source 18 is an electrically modulated infrared light source 18rfIR-55 based on MEMS, the infrared light source 18 is usually configured with a conventional driving circuit based on an ADP3331 voltage regulator chip, and in this embodiment, the driving circuit is disposed on the light source driving board 23.

Sulfur absorption pool tubes 5 are installed in the first sulfur installation seat 2 and the second sulfur installation seat 3, cylindrical through holes for installing the sulfur absorption pool tubes 5 are horizontally arranged in the first sulfur installation seat 2 and the second sulfur installation seat 3, the left sides of the sulfur absorption pool tubes 5 are located in the through holes of the first sulfur installation seat 2, the right sides of the sulfur absorption pool tubes 5 are located in the through holes of the second sulfur installation seat 3, sulfur chamber air inlets 201 communicated with the left sides of the sulfur absorption pool tubes 5 are formed in the first sulfur installation seat 2, the sulfur chamber air inlets 201 are connected to an air inlet connector 1501 through hoses, sulfur chamber air outlets 301 communicated with the right sides of the sulfur absorption pool tubes 5 are formed in the second sulfur installation seat 3, and sulfur chamber channels are formed by the sulfur chamber air inlets 201, the sulfur absorption pool tubes 5 and the sulfur chamber air outlets 301; a step-shaped sulfur chamber light-transmitting sheet mounting hole 7 is formed in the position, corresponding to the left end of the sulfur absorption cell tube 5, of the first sulfur mounting seat 2 and the position, corresponding to the right end of the sulfur absorption cell tube 5, of the second sulfur mounting seat 3, a sulfur chamber sensor mounting hole 9 is formed in the right side of the sulfur chamber light-transmitting sheet mounting hole 7 of the second sulfur mounting seat 3, and a sulfur chamber sensor 19 electrically connected to the main control board 17 is mounted in the sulfur chamber sensor mounting hole 9; a sulfur chamber light-transmitting sheet is arranged in the sulfur chamber light-transmitting sheet mounting hole 7, and the outer edge of the sulfur chamber light-transmitting sheet is attached to the inner wall of the sulfur chamber light-transmitting sheet mounting hole 7 and is connected with the inner wall in an adhesive mode; the left side and the right side of the sulfur absorption cell tube 5 are attached to one surface, close to the sulfur absorption cell tube 5, of the sulfur chamber light-transmitting piece mounting hole 7; a step-shaped first jacket mounting hole is formed in the right end face of the through hole of the first sulfur mounting seat 2, and a step-shaped second jacket mounting hole is formed in the left end face of the through hole of the second sulfur mounting seat 3;

a carbon absorption pool pipe 6 is horizontally installed in the carbon installation seat 4 in a through mode, a carbon chamber air inlet 401 communicated with the left side of the carbon absorption pool pipe 6 is arranged on the left side of the carbon installation seat 4, the carbon chamber air inlet 401 is connected to a sulfur chamber air outlet 301 through a hose, a carbon chamber air outlet 402 communicated with the right side of the carbon absorption pool pipe 6 is arranged on the right side of the carbon installation seat 4, and the carbon chamber air outlet 402 is connected to an air outlet connector 1502 through a hose; the carbon chamber inlet 401, the carbon absorption cell pipe 6 and the carbon chamber outlet 402 form a carbon chamber channel; step-shaped carbon chamber light-transmitting sheet mounting holes 8 are formed in positions, corresponding to the left end and the right end of the carbon mounting seat 4, of the carbon absorption cell tube 6, carbon chamber sensor mounting holes 10 are formed in the right end of the carbon chamber light-transmitting sheet mounting hole 8 on the right side of the carbon mounting seat 4, and carbon chamber sensors 20 electrically connected to the main control board 17 are mounted in the carbon chamber sensor mounting holes 10; the carbon chamber light-transmitting sheet is arranged in the carbon chamber light-transmitting sheet mounting hole 8, and the outer edge of the carbon chamber light-transmitting sheet is attached to the inner wall of the carbon chamber light-transmitting sheet mounting hole 8 and is connected with the inner wall in an adhesive mode; the left side and the right side of the carbon absorption pool tube 6 are attached to one surface, close to the carbon absorption pool tube 6, of the carbon chamber light-transmitting piece mounting hole 8.

In this embodiment, both the sulfur chamber sensor 19 and the carbon chamber sensor 20 may be NDIR thermopile sensors or NDIR pyroelectric sensors.

Sulphur absorption cell pipe 5 and carbon absorption cell pipe 6 are gilded pipe and the inner wall is the internal thread structure, and the internal thread of sulphur absorption cell pipe 5 and carbon absorption cell pipe 6 inner wall is convex screw thread, and the thread internal diameter is greater than the drill way internal diameter that sulphur room printing opacity piece mounting hole 7 is close to sulphur absorption cell pipe 5, and the thread internal diameter is greater than the drill way internal diameter that carbon room printing opacity piece mounting hole 8 is close to carbon absorption cell pipe 6.

Jacket assemblies 14 are arranged outside the sulfur absorption pool pipe 5 and the carbon absorption pool pipe 6, each jacket assembly 14 comprises a first jacket mounting seat 1401, a second jacket mounting seat 1402, a first inner sleeve 1403, a second inner sleeve 1404 and an outer sleeve 1405, and the first jacket mounting seat 1401, the second jacket mounting seat 1402, the first inner sleeve 1403, the second inner sleeve 1404 and the outer sleeve 1405 are all of cylindrical sleeve structures with hollow interiors; the outer wall of one end of a first jacket installation seat 1401 is in threaded connection with the inner wall of the first jacket installation seat 1401, the inner wall of the other end of the first jacket installation seat 1401 is in threaded connection with the outer wall of one end of a first inner sleeve 1403, the outer wall of one end of a second jacket installation seat 1402 is in threaded connection with the inner wall of a second jacket installation seat, the outer wall of the other end of the second jacket installation seat 1402 is in threaded connection with the outer wall of one end of a second inner sleeve 1404, an outer sleeve 1405 is positioned in the middle of the first jacket and the second jacket, and the inner walls of two ends; the thickness of the first inner sleeve 1403, the second inner sleeve 1404 and the outer sleeve 1405 is not less than 5 mm. The first jacket mounting seat 1401, the second jacket mounting seat 1402, the first inner sleeve 1403, the second inner sleeve 1404 and the outer sleeve 1405 are in no contact with the outer wall of the sulfur absorption cell pipe 5, and gaps are formed. In this embodiment, the jacket assembly 14 is made of aluminum alloy. The gas detection in the sulfur absorption cell pipe 5 of the utility model needs stable temperature, and is sleeved outside the sulfur absorption cell pipe 5 through the jacket assembly 14, thereby reducing the influence on the gas temperature in the absorption cell pipe; in addition, the jacket assembly 14 plays a role of protecting the sulfur absorption cell tube 5, and improves the stability of the device; the first jacket mounting seat 1401, the second jacket mounting seat 1402, the first inner sleeve 1403, the second inner sleeve 1404 and the outer sleeve 1405 are in threaded connection, when the length of the internal sulfur absorption pool pipe 5 needs to be changed, the length of the jacket formed by the first inner sleeve 1403, the second inner sleeve 1404 and the outer sleeve 1405 can be changed through threaded connection, the adjustment is flexible, and the length of the jacket does not need to be matched with the length of the sulfur absorption pool pipe 5 additionally.

The inner walls of the sulfur chamber air inlet 201, the sulfur chamber exhaust port 301, the carbon chamber air inlet 401 and the carbon chamber exhaust port 402 are in a threaded shape, threaded quick-connection plugs are mounted on the sulfur chamber air inlet 201, the sulfur chamber exhaust port 301, the carbon chamber air inlet 401 and the carbon chamber exhaust port 402, and the threaded quick-connection plugs are elbows with right-angle structures; the threaded connection part of the threaded quick-connection plug is made of brass.

A connecting seat 12 is arranged at the rear side of the carbon mounting seat 4, the connecting seat 12 is of a right-angle structure, a right-angle edge of the connecting seat 12 is connected to the carbon mounting seat 4 through a bolt, mounting columns 13 are arranged on the left side and the right side of the other right-angle edge, and the right end of the carbon mounting seat 4 is provided with the mounting column 13; a detecting head of the carbon chamber sensor 20 is positioned in the carbon chamber sensor mounting hole 10, a wiring part of the carbon chamber sensor 20 is provided with a carbon chamber sensor signal plate 22, and a mounting column 13 which is not connected to the right side of the right-angle side of the connecting seat 12 and is mounted at the right end of the carbon mounting seat 4 is used for mounting the carbon chamber sensor signal plate 22, so that the carbon chamber sensor signal plate 22 is vertically arranged and does not occupy space; in addition, infrared source mounting hole 11 is used for installing infrared source 18, and infrared source 18 sets up infrared source 18 drive plate, is not connected and is equipped with the drive post that is used for installing infrared source 18 control panel on the right-angle side left side of connecting seat 12, makes the vertical setting of infrared source 18 drive plate, and occupation space is not. The right end of the second sulfur mounting seat 3 is provided with a mounting column 13; the detecting head of sulphur room sensor 19 is located sulphur room sensor mounting hole 9, and sulphur room sensor 19's wiring part has set sulphur room sensor signal board 21, and the erection column 13 of sulphur mount pad right-hand member installation is used for installing sulphur room sensor signal board 21, makes the vertical setting of sulphur room sensor signal board 21, occupation space, compact structure not.

When the device is used, the air inlet connector 1501 is used for receiving gas to be tested and is communicated with the sulfur chamber air inlet 201 through a hose, the sulfur chamber air outlet 301 is communicated with the carbon chamber air inlet 401 through an air pipe, and the carbon chamber air outlet 402 is connected with the air outlet connector 1502 through a hose and then discharges the tested gas; the infrared light source 18 works, infrared light penetrates through a sulfur chamber light-transmitting sheet at the sulfur chamber light-transmitting sheet mounting hole 7 on the left side of the carbon sulfur mounting seat and a carbon chamber light-transmitting sheet at the carbon chamber light-transmitting sheet mounting hole 8, and the sulfur chamber sensor 19 in the sulfur chamber sensor mounting hole 9 and the carbon chamber sensor 20 in the carbon chamber sensor mounting hole 10 detect infrared illuminance and transmit detection signals to the main control board 17 so as to analyze the content of carbon and sulfur in gas.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (8)

1. An infrared carbon sulfur analyzer which is characterized in that: the device comprises a bottom plate, a first sulfur mounting seat, a second sulfur mounting seat, a carbon mounting seat, an outer shell, a switching power supply and a main control board; the bottom plate, the switching power supply and the main control board are all arranged inside the outer shell, the first sulfur mounting seat, the second sulfur mounting seat and the carbon mounting seat are all arranged above the bottom plate, the side wall of the outer shell is provided with an air inlet connector for inputting gas to be detected and an air outlet connector for discharging the gas after the gas is detected, the side wall of the outer shell is also provided with a power connector, a power key and a signal connector, the power connector is electrically connected to the input end of the switching power supply and used for supplying power to the switching power supply by external alternating current, the power key is electrically connected between the power connector and the input end of the switching power supply, and the signal connector is electrically connected to the output end of the main control board and used;

the first sulfur mounting seat, the second sulfur mounting seat and the carbon mounting seat are arranged on the bottom plate; the first sulfur mounting seat and the carbon mounting seat are positioned on the left side of the bottom plate, the first sulfur mounting seat is positioned on the front side of the carbon mounting seat, the left side of the first sulfur mounting seat and the left side of the carbon mounting seat are flush, the right side of the first sulfur mounting seat and the left side of the carbon mounting seat extend rightwards, the horizontal width of the carbon mounting seat is larger than that of the first sulfur mounting seat, and the first sulfur mounting seat and the carbon mounting seat are integrally formed to form the carbon sulfur mounting seat; the second sulfur mounting seat is positioned on the right side of the bottom plate; an infrared light source mounting hole is formed in the left side of the carbon-sulfur mounting seat, and an infrared light source is mounted in the infrared light source mounting hole;

sulfur absorption cell tubes are installed in the first sulfur installation seat and the second sulfur installation seat, cylindrical through holes for installing the sulfur absorption cell tubes are horizontally arranged in the first sulfur installation seat and the second sulfur installation seat, the left side of each sulfur absorption cell tube is located in the through hole of the first sulfur installation seat, the right side of each sulfur absorption cell tube is located in the through hole of the second sulfur installation seat, a sulfur chamber air inlet communicated with the left side of each sulfur absorption cell tube is formed in the first sulfur installation seat, the sulfur chamber air inlet is connected to an air inlet connector through a hose, a sulfur chamber air outlet communicated with the right side of each sulfur absorption cell tube is formed in the second sulfur installation seat, and a sulfur chamber channel is formed by the sulfur chamber air inlet, the sulfur absorption cell tubes and the sulfur chamber air outlets; a step-shaped sulfur chamber light-transmitting sheet mounting hole is formed in the position, corresponding to the left end of the sulfur absorption cell tube, of the first sulfur mounting seat and the position, corresponding to the right end of the sulfur absorption cell tube, of the second sulfur mounting seat; a sulfur chamber light-transmitting sheet is arranged in the sulfur chamber light-transmitting sheet mounting hole, and the outer edge of the sulfur chamber light-transmitting sheet is attached to the inner wall of the sulfur chamber light-transmitting sheet mounting hole and is connected with the sulfur chamber light-transmitting sheet mounting hole in an adhesive manner; the left side and the right side of the sulfur absorption cell tube are attached to one surface, close to the sulfur absorption cell tube, of the sulfur chamber light-transmitting sheet mounting hole; a step-shaped first jacket mounting hole is formed in the right end face of the through hole of the first sulfur mounting seat, and a step-shaped second jacket mounting hole is formed in the left end face of the through hole of the second sulfur mounting seat;

a carbon absorption pool pipe is horizontally arranged in the carbon mounting seat in a through mode, a carbon chamber air inlet communicated with the left side of the carbon absorption pool pipe is formed in the left side of the carbon mounting seat, the carbon chamber air inlet is connected to a sulfur chamber air outlet through a hose, a carbon chamber air outlet communicated with the right side of the carbon absorption pool pipe is formed in the right side of the carbon mounting seat, and the carbon chamber air outlet is connected to an air outlet connector through a hose; the carbon chamber air inlet, the carbon absorption pool pipe and the carbon chamber air outlet form a carbon chamber channel; step-shaped carbon chamber light-transmitting sheet mounting holes are formed in the positions, corresponding to the carbon mounting seats, of the left end and the right end of the carbon absorption pool tube, carbon chamber sensor mounting holes are formed in the right ends of the carbon chamber light-transmitting sheet mounting holes in the right side of the carbon mounting seats, and carbon chamber sensors electrically connected to a main control board are mounted in the carbon chamber sensor mounting holes; the carbon chamber light-transmitting sheet is arranged in the carbon chamber light-transmitting sheet mounting hole, and the outer edge of the carbon chamber light-transmitting sheet is attached to the inner wall of the carbon chamber light-transmitting sheet mounting hole and is connected with the inner wall in an adhesive mode; the left side and the right side of the carbon absorption pool tube are attached to one surface, close to the carbon absorption pool tube, of the carbon chamber light-transmitting piece mounting hole;

the sulfur absorption pool pipe and the carbon absorption pool pipe are both gold-plated pipes, the inner walls of the sulfur absorption pool pipe and the carbon absorption pool pipe are of internal thread structures, and jacket assemblies are arranged outside the sulfur absorption pool pipe and the carbon absorption pool pipe.

2. The infrared carbon sulfur analyzer of claim 1, wherein: the internal threads of the inner walls of the sulfur absorption pool pipe and the carbon absorption pool pipe are arc-shaped threads, the inner diameter of the threads is larger than the inner diameter of an orifice of the sulfur chamber light transmission piece mounting hole close to the sulfur absorption pool pipe, and the inner diameter of the threads is larger than the inner diameter of an orifice of the carbon chamber light transmission piece mounting hole close to the carbon absorption pool pipe.

3. The infrared carbon sulfur analyzer of claim 1, wherein: the jacket assembly comprises a first jacket mounting seat, a second jacket mounting seat, a first inner sleeve, a second inner sleeve and an outer sleeve, and the first jacket mounting seat, the second jacket mounting seat, the first inner sleeve, the second inner sleeve and the outer sleeve are all of cylindrical sleeve structures with hollow interiors; the outer wall of one end of the first jacket mounting seat is in threaded connection with the inner wall of the first jacket mounting seat, the inner wall of the other end of the first jacket mounting seat is in threaded connection with the outer wall of one end of the first inner sleeve, the outer wall of one end of the second jacket mounting seat is in threaded connection with the inner wall of the second jacket mounting seat, the outer wall of the other end of the second jacket mounting seat is in threaded connection with the outer wall of one end of the second inner sleeve, the outer sleeve is positioned in the middle of the first jacket and the second jacket, and the inner walls of.

4. The infrared carbon sulfur analyzer of claim 3, wherein: the thicknesses of the first inner sleeve, the second inner sleeve and the outer sleeve are not less than 5 mm.

5. The infrared carbon sulfur analyzer of claim 1, wherein: the inner walls of the sulfur chamber air inlet, the sulfur chamber exhaust port, the carbon chamber air inlet and the carbon chamber exhaust port are in a threaded shape, and threaded quick-connection plugs are mounted on the sulfur chamber air inlet, the sulfur chamber exhaust port, the carbon chamber air inlet and the carbon chamber exhaust port; the threaded connection part of the threaded quick-connection plug is made of brass.

6. The infrared carbon sulfur analyzer of claim 5, wherein: the quick-connection screw plug is an elbow with a right-angle structure.

7. The infrared carbon sulfur analyzer of claim 1, wherein: the main control board is provided with a main control module, and the main control module adopts an ST89C52 singlechip.

8. The infrared carbon sulfur analyzer of claim 1, wherein: the carbon mount pad rear side is equipped with the connecting seat, the connecting seat is the right angle structure, and bolted connection is passed through on a right-angle side in the carbon mount pad, and the other right-angle side left and right sides all is equipped with the erection column, and the carbon mount pad right-hand member is equipped with the erection column, the second sulphur mount pad right-hand member is equipped with the erection column.

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