CN213599829U

CN213599829U - Three-section furnace type combustion device capable of automatically moving furnace and carbon hydrogen analyzer

Info

Publication number: CN213599829U
Application number: CN202021432742.9U
Authority: CN
Inventors: 张介培
Original assignee: Vcarbon Guangzhou Low Carbon Technology Co ltd
Current assignee: Wuxi Micro Carbon Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-07-02
Anticipated expiration: 2030-07-20

Abstract

The application provides a can move three section stove formula burner and hydrocarbon analysis appearance of stove automatically, this can move three section stove formula burner of stove automatically includes base, combustion tube, support, heating furnace, moves stove mechanism, displacement sensor, time-recorder and controller, and on the combustion tube supported and was fixed in the base through the support, the first furnace body of heating furnace can be followed the combustion tube and set up on the combustion tube with axially sliding. Then when using, only need remove the first furnace body of stove mechanism drive and remove through moving, the displacement sensor is measured the displacement distance of first furnace body, simultaneously through the time-recorder to first furnace body at the dwell time of corresponding shift position timing, the work of stove mechanism is moved according to the displacement information of displacement sensor measurement and the timing information control of time-recorder simultaneously to the controller, alright in order to automatic, the first section of furnace body of accurate control move stove time and move stove distance, need not artifical manual operation control, easy and simple to handle, the degree of automation is high, and then improve the accuracy of efficiency of software testing and test.

Description

Three-section furnace type combustion device capable of automatically moving furnace and carbon hydrogen analyzer

Technical Field

The application belongs to the technical field of hydrocarbon analysis and detection equipment, and more particularly relates to a three-section furnace type combustion device capable of automatically moving a furnace and a hydrocarbon analyzer.

Background

The hydrocarbon analyzer is mainly used for measuring the contents of carbon and hydrogen in coal and other organic matters, wherein the three-stage furnace type hydrocarbon analyzer is suitable for measuring the content of the hydrocarbon in a large range and is widely applied to measuring and analyzing the contents of the carbon and the hydrogen in a laboratory. In the current three-furnace combustion device, a combustion pipe is usually fixedly arranged on a base, a heating furnace is sleeved outside the combustion pipe in a sliding manner, and a sample in the combustion pipe is heated by moving the heating furnace along the axial direction of the combustion pipe during testing, so that the sample in the combustion pipe is combusted to generate carbon dioxide and water.

When the hydrocarbon content of a sample is measured by adopting a three-stage furnace method, the method generally comprises the following experimental steps: firstly, putting a combustion boat containing a certain amount of samples into a combustion tube, and moving a first furnace body of a three-section furnace combustion device after 1 minute to enable half of the combustion boat to enter the first furnace body; after 2 minutes, moving the first furnace body to enable the combustion boat to completely enter the first furnace body; after 2 minutes, moving the first furnace body to enable the combustion boat to be positioned in the center of the first furnace body, heating at constant temperature for 18 minutes, heating the combustion pipe at high temperature by using the first furnace body, introducing oxygen flow into the combustion pipe at the same time, fully combusting the sample in the combustion pipe, absorbing the generated carbon dioxide and water by using a carbon dioxide absorbent and a water absorbent respectively, and calculating the content of carbon and hydrogen in the sample by using the increment of the carbon dioxide absorbent and the water absorbent respectively; and finally, moving the first furnace body to an initial position. However, the above-mentioned removal operation to first section furnace body generally relies on the manual operation control of experimenter, and not only troublesome poeration, degree of automation is low, and to moving stove time and moving stove distance and being difficult to the accurate control, this will cause the shift position of first section furnace body and the dwell time of first section furnace body on corresponding shift position not accurate enough, lead to the reduction of efficiency of software testing and the accuracy of test.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the embodiment of the application lies in providing a three-section furnace formula burner that can move stove automatically to solve the first section furnace body of three-section furnace burner that exists among the prior art, rely on artifical manually operation control, there is the troublesome poeration, degree of automation is low, and is difficult to the technical problem of accurate control move stove time and move stove distance.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a three-stage furnace type combustion device capable of automatically moving a furnace, comprising:

a base;

the combustion tube is used for placing a sample;

the bracket is fixedly arranged on the base and used for supporting and fixing the combustion tube on the base;

the heating furnace is used for heating the combustion tube and comprises a first furnace body capable of moving along the axial direction of the combustion tube, a second furnace body arranged corresponding to the first furnace body and a third furnace body arranged corresponding to the second furnace body, the first furnace body is provided with a slide hole for the combustion tube to penetrate through, and the combustion tube penetrates through the slide hole;

the furnace moving mechanism is arranged on the base and used for driving the first furnace body to move so as to adjust the position of the first furnace body;

the displacement sensor is used for measuring the moving distance of the first furnace body;

the timer is used for timing the residence time of the first furnace body at the corresponding heating position; and

the controller controls the furnace moving mechanism to work according to the displacement information measured by the displacement sensor so as to accurately adjust the position of the first furnace body; and controlling the furnace moving mechanism to work according to the timing information of the timer so as to enable the first furnace body to stay at the corresponding heating position for the corresponding time.

Optionally, the displacement sensor is a grating scale sensor, the grating scale sensor includes a scale grating for calibrating the movement position of the first furnace body and a grating reading head for cooperating with the scale grating to collect the movement position information of the first furnace body, and the scale grating is disposed on the first furnace body.

Optionally, the furnace moving mechanism includes a support plate fixedly mounted on the base, a sliding table slidably disposed on the support plate, a linear driving assembly driving the sliding table to move, and a roller assembly rolling-supporting the first furnace body, the sliding table is connected with the first furnace body, the linear driving assembly is connected with the sliding table, and the roller assembly is mounted on the support plate.

Optionally, the furnace moving mechanism further includes a first linear sliding rail mechanism for guiding the sliding table to move, the first linear sliding rail mechanism includes a first linear guide rail fixedly mounted on the support plate and a first slider mounted on the first linear guide rail, the first linear guide rail axially extends along the combustion pipe, and the sliding table is connected with the first slider.

Optionally, the three-section furnace type combustion apparatus capable of automatically moving the furnace further includes a cross beam having two ends respectively supported and fixed on the corresponding support and a second linear sliding rail mechanism for guiding the first furnace body to move, the second linear sliding rail mechanism includes a second linear guide rail fixedly mounted on the cross beam and a second slider mounted on the second linear guide rail, the second linear guide rail is axially extended along the combustion tube, and the first furnace body is connected to the second slider.

Optionally, the grating reading head is disposed on the beam, and the scale grating is disposed on a surface of the first furnace body facing the grating reading head.

Optionally, the three-stage furnace type combustion apparatus capable of automatically moving the furnace further includes tubular sliding joints for slidably supporting the combustion tube so that the first furnace body can move along the axial direction of the combustion tube, each tubular sliding joint is disposed in the corresponding sliding hole, and the first furnace body is slidably supported on the corresponding combustion tube through the corresponding tubular sliding joint.

Optionally, the tubular sliding joint includes a tubular cage, a plurality of first balls and a plurality of second balls, the inner wall of the tubular cage is concavely provided with first ball grooves for rolling installation of the first balls, and the first ball grooves are arranged in an annular array with the axis of the tubular cage as a symmetric ring, so as to form an annular array of ball groove units on the inner wall of the tubular cage; each first ball is arranged in the corresponding first ball groove in a rolling mode, a second ball groove for the second ball to be arranged in the rolling mode is formed in the inner wall of each first ball groove in a concave mode, each second ball is arranged in the corresponding second ball groove in the rolling mode, and the first balls and the corresponding second balls form spherical contact.

Optionally, a plurality of second ball grooves for rolling the second balls are formed in the inner wall of each first ball groove, and the second balls are rolled in the second ball grooves.

The second purpose of this application embodiment lies in providing a hydrocarbon analyzer to solve the first section furnace body of the three section stove burner that exists among the prior art, rely on artifical manually operation control, there is the troublesome poeration, degree of automation is low, and is difficult to the technical problem of accurate control move stove time and move stove distance.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provides a hydrocarbon analyzer, which comprises the three-section furnace type combustion device capable of automatically moving the furnace.

Compared with the prior art, one or more technical solutions in the embodiments of the present application have at least one of the following technical effects:

this application can move three section stove formula burner and hydrocarbon analysis appearance of stove automatically, can move three section stove formula burner of stove automatically and have the support on the base, on the combustion tube supported and was fixed in the base through the support, the first furnace body of heating furnace can set up on the combustion tube along combustion tube endwise slip to be provided with and move stove mechanism, displacement sensor, time-recorder and control and move the controller that stove mechanism worked. When the furnace moving mechanism is used, the first furnace body is driven to move only through the furnace moving mechanism, the moving distance of the first furnace body is measured through the displacement sensor, meanwhile, the time of the first furnace body at the corresponding moving position is timed through the timer, the controller controls the furnace moving mechanism to work according to the displacement information measured by the displacement sensor so as to accurately adjust the position of the first furnace body, and meanwhile, the controller controls the furnace moving mechanism to work according to the timing information of the timer so as to enable the first furnace body to stay at the corresponding heating position for the corresponding time. Like this, alright with the first section furnace body move stove time and move the stove distance with automatic, accurate control, need not artifical manual operation control, easy and simple to handle, degree of automation is high, and then improves the accuracy of efficiency of software testing and test.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a hydrocarbon analyzer provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a three-furnace combustion apparatus provided in an embodiment of the present application;

FIG. 3 is an enlarged, fragmentary, schematic view of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged, fragmentary, schematic view of FIG. 4;

FIG. 6 is an enlarged partial schematic view of FIG. 5;

FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 3;

FIG. 8 is an enlarged, fragmentary, schematic view of FIG. 7;

FIG. 9 is a first schematic perspective view of a furnace moving mechanism according to an embodiment of the present disclosure;

fig. 10 is a schematic perspective view of a second furnace moving mechanism according to an embodiment of the present application;

FIG. 11 is a schematic top view of a furnace moving mechanism according to an embodiment of the present disclosure;

FIG. 12 is a schematic side view of a furnace moving mechanism according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

100-a combustion device; 101-a base; 102-a combustion tube; 103-a scaffold; 104-a heating furnace; 105-a first furnace body; 106-a second furnace body; 107-third furnace body; 108-a first slide hole;

200-an oxygen supply apparatus; 201-oxygen cylinder; 202-a first pipeline;

300-an absorption system; 301-a water absorption device; 302-a carbon dioxide absorption unit; 303-a second line; 304-a third line; 305-a nitrogen oxide absorption unit; 306-a fourth line;

400-gas drying column; 500-connecting tube; 600-a flow control valve;

700-a furnace moving mechanism; 710-a support plate; 720-sliding table; 730-a linear drive assembly; 731-bearing seat; 732-lead screw; 733-nut; 734-a drive mechanism; 7341-electric machine; 7342-a motor mount; 7343 — a first synchronous wheel; 7344-a second synchronizing wheel; 7345-synchronous belt; 740-a roller assembly; 741-roller shaft; 742-a roller; 743-roller mount; 7431-a receiving groove; 750-a first linear slide rail mechanism; 751-a first linear guide; 752-roller;

800-tubular slip joint; 810-a tubular cage; 811-a first ball groove; 812-a second ball groove; 820-a first ball; 830-a second ball bearing;

900-a cross beam; 910-a second linear slide mechanism; 911-a second linear guide; 912-a second slider; 920-displacement sensor; 921-scale grating; 922-raster reading head.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Referring to fig. 1 to 3 together, a three-stage furnace type combustion apparatus capable of automatically moving a furnace according to an embodiment of the present application will be described. Referring to fig. 1, the three-stage combustion apparatus capable of automatically moving a furnace according to the embodiment of the present application is suitable for a three-stage hydrocarbon analyzer for measuring the content of hydrocarbon in a coal sample or other organic substances. Referring to fig. 2 and 3, the three-stage furnace type combustion apparatus 100 capable of automatically moving a furnace according to the embodiment of the present invention includes a base 101, a combustion tube 102, a bracket 103, a heating furnace 104, a furnace moving mechanism 700, a displacement sensor 920, a timer (not shown) and a controller (not shown), wherein the bracket 103 is fixedly installed on the base 101, the combustion tube 102 is supported and fixed on the base 101 by the bracket 103, and the furnace moving mechanism 700 is installed on the base 101. The heating furnace 104 includes a first furnace body 105 that moves in the axial direction of the combustion pipe 102, a second furnace body 106 provided corresponding to the first furnace body 105, and a third furnace body 107 provided corresponding to the second furnace body 106, and the combustion pipe 102 can be heated by the heating furnace 104. And the first furnace body 105 is provided with a first slide hole 108 through which the combustion tube 102 penetrates, the combustion tube 102 penetrates through the first slide hole 108, so that the first furnace body 105 can move along the axial direction of the combustion tube 102, the first furnace body 105 can be driven to move by the furnace moving mechanism 700 so as to adjust the position of the first furnace body 105, the heating furnace 104 is moved to the preset heating position of the combustion tube 102, the preset heating position of the combustion tube 102 is heated at a high temperature by the heating furnace 104, and oxygen flow is introduced into the combustion tube 102, so that the purpose of heating and burning the sample in the combustion tube 102 is achieved, finally, the carbon element and the hydrogen element in the sample react to generate carbon dioxide and water respectively, and the content of carbon and hydrogen in the sample is calculated by the increment of the carbon dioxide absorbent and the water absorbent respectively. During the process of moving the first furnace body 105, the moving distance of the first furnace body 105 is measured by the displacement sensor 920, meanwhile, the residence time of the first furnace body 105 at the corresponding moving position is timed by a timer, the controller can control the furnace moving mechanism 700 to work according to the displacement information measured by the displacement sensor 920, so as to precisely adjust the position of the first furnace body 105, meanwhile, the controller controls the furnace moving mechanism 700 to work according to the timing information of the timer, so that the furnace moving mechanism stays at the corresponding position for a corresponding time, to solve the problems of troublesome operation and low automation degree of the first furnace body of the traditional three-section furnace type combustion device 100 capable of automatically moving the furnace and relying on manual operation control, the furnace moving time and the furnace moving distance of the first furnace body of the three-section furnace type combustion device 100 capable of automatically moving the furnace are accurately controlled, and the testing efficiency and the testing accuracy are improved.

Compared with the prior art, the full-automatic three-section furnace type combustion device 100 capable of automatically moving the furnace provided by the embodiment is characterized in that the support 103 is fixedly installed on the base 101, the combustion tube 102 is supported and fixed on the base 101 through the support 103, the first furnace body 105 of the heating furnace 104 can be axially and slidably arranged on the combustion tube 102 along the combustion tube 102, and is provided with the furnace moving mechanism 700, the displacement sensor 920, the timer and the controller for controlling the furnace moving mechanism 700 to work. When the furnace moving mechanism 700 is used, the first furnace body 105 is driven to move only through the furnace moving mechanism 700, the moving distance of the first furnace body 105 is measured through the displacement sensor 920, meanwhile, the staying time of the first furnace body 105 at the corresponding moving position is timed through the timer, the controller controls the furnace moving mechanism 700 to work according to the displacement information measured by the displacement sensor 920 so as to accurately adjust the position of the first furnace body 105, and meanwhile, the controller controls the furnace moving mechanism 700 to work according to the timing information of the timer so as to enable the first furnace body 105 to stay at the corresponding heating position for the corresponding time. Like this, alright with the first section furnace body move stove time and move the stove distance with automatic, accurate control, need not artifical manual operation control, easy and simple to handle, degree of automation is high, and then improves the accuracy of efficiency of software testing and test.

In an embodiment of the present application, referring to fig. 3 together, the displacement sensor 920 is a grating scale sensor, the grating scale sensor includes a scale grating 921 used for calibrating the movement position of the first furnace body 105 and a scale reading head 922 used for cooperating with the scale grating 921 to collect the movement position information of the first furnace body 105, and the scale grating 921 is disposed on the first furnace body 105.

In this embodiment, through adopting above-mentioned scheme, the adoption has the precision higher, stability is better, response speed is faster, the grating chi sensor that the interference killing feature is strong, set up grating reading head 922 of grating chi sensor on base 101, set up scale grating 921 on first furnace body 105, the displacement information of slip table 720 is gathered accurately to the grating chi sensor of being convenient for, thereby acquire the displacement information of first furnace body 105, move the moving distance and the stop position that stove mechanism 700 moved heating furnace 104 for the accurate control of controller.

In an embodiment of the present application, referring to fig. 3, 9 and 12, the furnace moving mechanism 700 includes a supporting plate 710 fixedly mounted on the base 101, a sliding table 720 slidably disposed on the supporting plate 710, a linear driving assembly 730 for driving the sliding table 720 to move, and a roller assembly 740 for rolling and supporting the first furnace body 105, wherein the sliding table 720 is connected to the first furnace body 105, the linear driving assembly 730 is connected to the sliding table 720, and the roller assembly 740 is mounted on the supporting plate 710.

In this embodiment, by adopting the above scheme, the furnace moving mechanism 700 includes the supporting plate 710, the sliding table 720, the linear driving assembly 730 and the roller assembly 740, the supporting plate 710 is fixed on the base 101 of the three-stage furnace type combustion apparatus 100 capable of automatically moving the furnace, the sliding table 720 is slidably disposed on the supporting plate 710, the sliding table 720 is connected with the first furnace body 105, the linear driving assembly 730 for driving the sliding table 720 to move is mounted on the supporting plate 710, and the roller assembly 740 for rolling and supporting the first furnace body 105 is mounted on the supporting plate 710. Then when using, only need be fixed in the base 101 that can move the three section stove formula burner 100 of stove automatically with backup pad 710 on, utilize roller assembly 740 to roll first furnace body 105 and support on backup pad 710 to link to each other first furnace body 105 with slip table 720, alright remove through sharp drive assembly 730 drive slip table 720, drive first furnace body 105 along burner 102 axial displacement, thereby can realize the automatic stove operation that moves of first furnace body 105 conveniently, fast, steadily, need not artifical manual operation and remove first furnace body 105. In addition, in the moving process of the first furnace body 105, the roller assembly 740 plays a role of rolling and supporting the first furnace body 105, so that friction between the bottom of the first furnace body 105 and the supporting plate 710 can be reduced, and the first furnace body 105 can be moved quickly and stably.

In an embodiment of the present application, referring to fig. 9 and 11 together, the linear driving assembly 730 includes two bearing seats 731 disposed on the supporting plate 710 at intervals along the axial direction of the combustion tube 102, a screw 732 rotatably mounted on the corresponding bearing seats 731 at both ends thereof respectively through bearings (not shown), a nut 733 mounted on the screw 732, and a driving mechanism 734 for driving the screw 732 to rotate, wherein the nut 733 is connected to the sliding table 720.

In this embodiment, by adopting the above scheme, the linear driving assembly 730 includes two bearing seats 731, two bearings, a screw rod 732, a nut 733, and a driving mechanism 734, the two bearing seats 731 are disposed on the supporting plate 710 at intervals along the axial direction of the combustion tube 102, two ends of the screw rod 732 are rotatably mounted on the corresponding bearing seats 731 through bearings, the nut 733 is mounted on the screw rod 732, and the sliding table 720 is connected with the nut 733. When the device is used, the screw 732 is driven to rotate by the driving mechanism 734, and the nut 733 drives the sliding table 720 to enable the sliding table 720 to drive the heating furnace 104 to move, so that the automatic furnace moving operation of the heating furnace 104 is rapidly and stably realized, and the position of the heating furnace 104 is conveniently and rapidly adjusted according to the test requirement. It is understood that in another embodiment of the present application, the linear driving assembly 730 may further employ one of a hydraulic cylinder, an electric cylinder, a rack and pinion mechanism and a linear motor 7341, and the arrangement may be selected according to the actual use requirement, and is not limited herein.

In an embodiment of the present application, referring to fig. 9 and 12, the driving mechanism 734 includes a motor 7341, a motor frame 7342 fixedly mounting the motor 7341 on the supporting plate 710, a first synchronizing wheel 7343 connected to one end of the screw, a second synchronizing wheel 7344 connected to an output shaft of the motor 7341, and a synchronizing belt 7345 connecting the first synchronizing wheel 7343 and the second synchronizing wheel 7344.

In this embodiment, by adopting the above scheme, the driving mechanism 734 includes the motor 7341, the motor frame 7342, the first synchronizing wheel 7343, the second synchronizing wheel 7344 and the synchronizing belt 7345, so that the motor 7341 is only required to be fixedly mounted on the supporting plate 710 through the motor frame 7342, the first synchronizing wheel 7343 is mounted at one end of the screw rod, the second synchronizing wheel 7344 is connected with the output shaft of the motor 7341 through the coupler, and the synchronizing belt 7345 is connected with the first synchronizing wheel 7343 and the second synchronizing wheel 7344, so that the screw rod can be stably driven to rotate through the synchronizing belt 7345 mechanism driven by the motor 7341, thereby reducing transmission vibration and being beneficial to enhancing the moving stability of the heating furnace 104. It is understood that in another embodiment of the present application, the driving mechanism 734 may also use a coupling to directly connect one end of the lead screw to the output shaft of the motor 7341, so as to directly drive the lead screw to rotate through the motor 7341, but its stability is inferior to the stability of the lead screw driven to rotate through the timing belt 7345 mechanism driven by the motor 7341.

In an embodiment of the present application, referring to fig. 9 and 11, the two roller assemblies 740 are provided, each roller assembly 740 includes a plurality of roller shafts 741, rollers 742 respectively mounted on the roller shafts 741, and roller mounts 743 supporting the roller shafts 741, the two roller mounts 743 respectively extend along the axial direction of the burner tube 102, and the two roller mounts 743 are disposed in parallel and spaced apart from each other.

In this embodiment, by adopting the above-mentioned scheme, when two or more roller assemblies 740 are provided on the supporting plate 710, the bottom of the heating furnace 104 can be supported by the roller 742 formed by the plurality of rollers 742 of each roller assembly, so as to reduce friction between the heating furnace 104 and the supporting plate 710, so that the heating furnace 104 can be moved on the supporting plate 710 quickly and stably, and the stability and reliability of the movement of the heating furnace 104 by the furnace moving mechanism 700 are improved.

In one embodiment of the present application, referring to fig. 9 and 11, a plurality of rollers 742 on the same roller mounting seat 743 are disposed at equal intervals along the axial direction of the burner tube 102. In this embodiment, by adopting the above-described configuration, the plurality of rollers 742 are disposed at equal intervals in the axial direction of the burner tube 102 on the same roller mount 743. That is, on the same roller mounting seat 743, the distances between two adjacent rollers 742 are equal, so that the bottom of the heating furnace 104 is stressed evenly, the stability of the roller assembly 740 in supporting the heating furnace 104 in a rolling manner is further enhanced, the heating furnace 104 can move on the supporting plate 710 quickly and stably, and the stability and reliability of the moving mechanism 700 in moving the heating furnace 104 are improved.

In an embodiment of the present application, referring to fig. 9 and 11, the roller mounting seat 743 is recessed with a receiving groove 7431, the roller 742 is mounted in the receiving groove 7431, and the roller 742 protrudes from the receiving groove 7431 for rolling and supporting the heating furnace 104. In this embodiment, by adopting the above scheme, the roller mounting seat 743 is concavely provided with the accommodating groove 7431, and the roller 742 is mounted in the accommodating groove 7431, so that the stability of the roller 742 for supporting the heating furnace 104 in a rolling manner can be enhanced.

In an embodiment of the present application, referring to fig. 10, the furnace moving mechanism 700 further includes a first linear sliding rail mechanism 750 for guiding the sliding table 720 to move, the first linear sliding rail mechanism 750 includes a first linear guiding rail 751 fixedly installed on the supporting plate 710 and a first sliding block 752 installed on the first linear guiding rail 751, the first linear guiding rail 751 extends axially along the combustion tube 102, and the sliding table 720 is connected to the first sliding block 752. In this embodiment, by adopting the above scheme, two first linear sliding rail mechanisms 750 can be installed on the supporting plate 710, and the two first linear sliding rail mechanisms 750 can guide the linear movement of the sliding table 720, so that the stability and reliability of the furnace moving mechanism 700 to the movement of the first furnace body 105 can be enhanced.

In an embodiment of the present application, referring to fig. 2 and fig. 3 together, the three-stage furnace combustion apparatus 100 capable of automatically moving the furnace further includes a cross beam 900 having two ends respectively supported and fixed on the corresponding support 103 and a second linear slide rail mechanism 910 for guiding the first furnace body 105 to move, the second linear slide rail mechanism 910 includes a second linear guide rail 911 fixedly mounted on the cross beam 900 and a second slide block 911 mounted on the second linear guide rail 911, the second linear guide rail extends along the axial direction of the combustion tube 102, and the first furnace body 105 is connected to the second slide block 912. In this embodiment, by adopting the above scheme, the three-stage furnace type combustion apparatus 100 capable of automatically moving the furnace further includes the cross beam 900, two ends of the cross beam 900 are respectively supported and fixed on the corresponding supports 103, and the second linear slide rail mechanism 910 is mounted on the cross beam 900, and the first furnace body 105 can be guided to axially move along the combustion tube 102 by the second linear slide rail mechanism 910, so that the first furnace body 105 is prevented from swinging and jamming in the process of axially moving along the combustion tube 102, and the stability and reliability of the movement of the heating furnace 104 are further enhanced.

In one embodiment of the present application, referring to fig. 3, the grating reading head 922 is disposed on the beam 900, and the scale grating 921 is disposed on a surface of the first furnace body 105 facing the grating reading head 922. In this embodiment, set up scale grating 921 on the one side of first furnace body 105 orientation grating reading head 922 to be provided with grating reading head 922 on crossbeam 900 correspondingly, improve grating ruler sensor displacement information measuring's accuracy, and then guarantee the accuracy nature that the controller control moving mechanism removed first furnace body 105.

In an embodiment of the present application, referring to fig. 2 to 4, the combustion tube 102 is provided in a plurality, the combustion tubes 102 are arranged in parallel and spaced apart, the first furnace body 105 is provided with a sliding hole 108 for each combustion tube 102 to pass through, and each combustion tube 102 passes through the corresponding sliding hole 108 so that the first furnace body 105 can move along the axial direction of the combustion tube 102.

In this embodiment, the combustion tubes 102 are provided with a plurality of tubes, so that the hydrocarbon analyzer can measure the hydrocarbon content of a plurality of samples at the same time, the testing efficiency is improved, and the testing period is shortened. Moreover, the plurality of combustion pipes 102 are arranged in parallel and at intervals, the first furnace body 105 is respectively provided with a first sliding hole 108 for each combustion pipe 102 to penetrate through, and each sliding joint is arranged in the corresponding first sliding hole 108, so that the first furnace body 105 can slide on the plurality of combustion pipes 102 arranged in parallel along the axial direction of the combustion pipe 102, the heating positions of the first furnace body 105 on the plurality of combustion pipes 102 are adjusted, the testing efficiency is further improved, and the testing period is shortened.

In an embodiment of the present application, referring to fig. 5 and 7, the three-stage furnace type combustion apparatus 100 further includes tubular sliding joints 800 for slidably supporting the combustion tube 102 so that the first furnace body 105 can move along the axial direction of the combustion tube 102, each tubular sliding joint 800 is disposed in a corresponding first sliding hole 108, and the first furnace body 105 is slidably supported on the corresponding combustion tube 102 through the corresponding tubular sliding joint 800.

In this embodiment, by disposing the tubular sliding joints 800 in each sliding hole 108 of the first furnace body 105, and disposing two tubular sliding joints 800 adjacent to the corresponding port portions of the first sliding holes 108, when each combustion tube 102 passes through the corresponding first sliding hole 108, the outer wall of each combustion tube 102 can be slidably supported on the corresponding tubular sliding joints 800, so as to reduce friction between the outer wall of the combustion tube 102 and the inner wall of the corresponding sliding hole 108, so that the first furnace body 105 can move smoothly and stably along the axial direction of the combustion tube 102 without jamming, and can prevent the combustion tube 102 and the first furnace body 105 from being worn, reduce maintenance cost of the first furnace body 105 and the combustion tube 102, and prolong the service life of the first furnace body 105.

In an embodiment of the present application, referring to fig. 5 and 7 together, the tubular sliding joint 800 includes a tubular cage 810, a plurality of first balls 820, and a plurality of second balls 830 for rolling and supporting the first balls 820, a first ball groove 811 for rolling and mounting each first ball 820 is recessed on an inner wall of the tubular cage 810, and the plurality of first ball grooves 811 are arranged in an annular array with an axis of the tubular cage 810 as a symmetry axis to form an annular array of ball groove units on the inner wall of the tubular cage 810; each first ball 820 is roll-mounted in a corresponding first ball groove 811, a second ball groove 812 in which a second ball 830 is roll-mounted is recessed in an inner wall of each first ball groove 811, each second ball 830 is roll-mounted in a corresponding second ball groove 812, and each first ball 820 and the corresponding second ball 830 form a spherical contact.

In this embodiment, the tubular sliding joint 800 includes a tubular cage 810, a plurality of first balls 820 and a plurality of second balls 830, a plurality of first ball grooves 811 are concavely formed on an inner wall of the tubular cage 810, the plurality of first balls 820 are roll-mounted in the first ball grooves 811 one to one, a second ball groove 812 is concavely formed on an inner wall of each first ball groove 811, the plurality of second balls 830 are roll-mounted in the second ball grooves 812 one to one, and each first ball 820 is in spherical contact with the corresponding second ball 830. When in use, the tubular sliding joint 800 is only needed to be placed in the first sliding hole 108 of the first furnace body 105, the outer wall of the tubular retainer 810 is connected with the inner wall of the first sliding hole 108, the tubular sliding joint 800 is arranged adjacent to the corresponding port part of the sliding hole 108, when the combustion tube 102 passes through the first sliding hole 108, the outer wall of the combustion tube 102 is in rolling contact with the plurality of first ball grooves 811, and then the outer wall of the combustion tube 102 is slidably supported on the tubular sliding joint 800, so that the outer wall of the combustion tube 102 is not in direct contact with the inner wall of the first sliding hole 108, friction between the outer wall of the combustion tube 102 and the inner wall of the first sliding hole 108 of the first furnace body 105 is reduced, and abrasion of the combustion tube 102 and the first furnace body 105 is prevented. Moreover, when the first balls 820 roll, the second balls 830 on the inner wall of the first ball groove 811 can roll and support the first balls 820, so that friction between the first balls 820 and the inner wall of the first ball groove 811 is reduced, and the phenomenon of clamping stagnation of the first balls 820 when the first balls 820 roll and support the combustion tube 102 is reduced, so that the rolling of the first balls 820 is more stable, the abrasion between the first balls 820 and the combustion tube 102 is further reduced, and the noise generated when the first furnace body 105 is moved is reduced. In addition, the plurality of first ball grooves 811 are arranged in an annular array with the axis of the tubular holder 810 as a symmetry axis, so as to form an annular array of ball groove units on the inner wall of the tubular holder 810, so that the first balls 820 in the tubular holder 810 have a balanced supporting effect on the combustion tube 102, and the stability of the tubular sliding joint 800 in rolling and supporting the combustion tube 102 is improved. It will be appreciated that the tubular slip joint 800 in this embodiment may also be replaced with a linear bearing. Since the structure and operation principle of the linear bearing are well known to those skilled in the art, they are not described herein in detail.

In an embodiment of the present application, referring to fig. 5 and fig. 7, a plurality of ball groove units in an annular array are disposed on an inner wall of the tubular holder 810, the plurality of ball groove units in an annular array are spaced apart from each other in an axial direction of the tubular holder 810, and a first ball 820 is mounted in the first ball groove 811 of each ball groove unit in an annular array in a rolling manner.

In this embodiment, a plurality of ball groove units in an annular array shape are disposed on the inner wall of the tubular cage 810 to increase the contact area between the first balls 820 of the tubular sliding joint 800 and the outer wall of the combustion pipe 102, and to enhance the stability of the tubular sliding joint 800 in rolling support of the combustion pipe 102. Moreover, the plurality of annular array-shaped ball groove units are arranged at intervals along the axial direction of the tubular retainer 810, and the first balls 820 in the plurality of annular array-shaped ball groove units can support the combustion tube 102, so that the combustion tube 102 can be stressed uniformly, and the stability is enhanced.

In an embodiment of the present application, referring to fig. 7, the distance between two adjacent ball groove units in the annular array is equal. In this embodiment, the plurality of annularly arrayed ball groove units are arranged at intervals along the axial direction of the tubular holder 810, that is, the distance between two adjacent annularly arrayed ball groove units is equal, and the first balls 820 in the plurality of annularly arrayed ball groove units support the combustion tube 102, so that the combustion tube 102 can be stressed in a balanced manner, and the stability is further enhanced.

In an embodiment of the present application, referring to fig. 6 and 8, a plurality of second ball grooves 812 for rolling the second balls 830 are disposed on an inner wall of each first ball groove 811, and the second balls 830 are rolling-mounted in each second ball groove 812. In this embodiment, a plurality of second ball grooves 812 are formed on an inner wall of each first ball groove 811, and a second ball 830 is mounted in each second ball groove 812 in a rolling manner, so that the plurality of second balls 830 form a spherical contact with the first ball 820 at the same time, thereby enhancing the rolling stability of the first ball 820.

In one embodiment of the present application, referring to fig. 6 and 8, the first ball 820 has a ball diameter 3 to 5 times larger than that of the second ball 830. In this embodiment, setting the spherical diameter of the first ball 820 to be 3 to 5 times the spherical diameter of the second ball 830 enables the plurality of second balls 830 to form a good support for the first ball 820, which is beneficial to enhancing the rolling stability of the first ball 820.

Referring to fig. 1, an embodiment of the present application further provides a hydrocarbon analyzer, including the three-stage combustion apparatus 100, the oxygen supply apparatus 200 and the absorption system 300 of any of the above embodiments, where the combustion apparatus 100 is configured to combust a sample so that carbon and hydrogen in the sample react to generate carbon dioxide and water, respectively, and the combustion apparatus 100 includes a base 101, a plurality of parallel combustion tubes 102 arranged at intervals, a support 103 configured to support the combustion tubes 102 on the base 101, and a heating furnace 104 configured to heat the combustion tubes 102. The heating furnace 104 includes a first furnace body 105, a second furnace body 106 and a third furnace body 107, the first furnace body 105 is slidably disposed on the base 101 along the axial direction of the combustion tubes 102, the first furnace body 105 is respectively provided with a first sliding hole 108 for each combustion tube 102 to pass through, and each combustion tube 102 passes through the corresponding first sliding hole 108 so that the first furnace body 105 can move along the axial direction of the combustion tube 102. The second furnace body 106 and the third furnace body 107 are respectively arranged corresponding to the first furnace body 105, and the second furnace body 106 and the third furnace body 107 are respectively supported on the base 101. The oxygen supply apparatus 200 includes an oxygen cylinder 201 for storing oxygen and a plurality of first pipelines 202 for respectively delivering the oxygen in the oxygen cylinder 201 to the plurality of combustion tubes 102, wherein a first end of each first pipeline 202 is communicated with a gas delivery port of the oxygen cylinder 201, and a second end of each first pipeline 202 is communicated with a first end of the corresponding combustion tube 102. The absorption system 300 is used for respectively absorbing water and carbon dioxide generated after the combustion of the samples in the plurality of combustion pipes 102, and the absorption system 300 includes a plurality of water absorption devices 301, a plurality of carbon dioxide absorption devices 302, a second line 303 communicating the plurality of water absorption devices 301 with the second ends of the respective combustion pipes 102, respectively, and a third line 304 communicating the plurality of carbon dioxide absorption devices 302 with the second ends of the respective combustion pipes 102, respectively.

Compared with the prior art, the carbon hydrogen analyzer provided by the embodiment of the application has the advantages that the combustion device 100 comprises a plurality of combustion tubes 102 which are arranged in parallel and at intervals, the first furnace body 105 of the heating furnace 104 is respectively provided with the first slide holes 108 for the combustion tubes 102 to penetrate through, each combustion tube 102 penetrates through the corresponding first slide hole 108, the first end of each combustion tube 102 is connected with the oxygen supply device, and the second end of each combustion tube 102 is respectively connected with the corresponding water absorption device 301 and the corresponding carbon dioxide absorption device 302 of the absorption system 300. When the device is used, the hydrocarbon analyzer can simultaneously measure the hydrocarbon content of a plurality of samples, and the hydrocarbon content of a plurality of different samples does not need to be measured in sequence, so that the testing time is shortened, the testing efficiency is improved, and the testing period is shortened. Moreover, the plurality of combustion pipes 102 are arranged in parallel and at intervals, and the first furnace body 105 is provided with first sliding holes 108 through which the combustion pipes 102 penetrate, so that the first furnace body 105 can be arranged on the plurality of combustion pipes 102 in a sliding manner along the axial direction of the combustion pipes 102, the heating position of the first furnace body 105 on the plurality of combustion pipes 102 can be adjusted conveniently, the test efficiency is further improved, and the test period is shortened.

It can be understood that, in another embodiment of the present application, the first furnace body 105, the second furnace body 106 and the third furnace body 107 of the heating furnace 104 are tubular electric ceramic furnaces that convert electric energy into heat energy by using current thermal effect, and have the characteristics of gradual temperature rise, triple thermal equilibrium, no local high temperature, etc., so as to fully combust the sample in the combustion tube 102, which is beneficial to improve the accuracy of the carbon-hydrogen content test in the sample. The combustion pipe 102 is a pipe member made of porcelain, corundum, quartz, or stainless steel having good thermal conductivity, high hardness, and high strength.

In an embodiment of the present application, referring to fig. 2, the second furnace body 106 is slidably disposed on the base 101 along the axial direction of the combustion tubes 102, the second furnace body 106 is respectively provided with second sliding holes for the combustion tubes 102 to pass through, and each combustion tube 102 passes through the corresponding second sliding hole so that the second furnace body 106 can move along the axial direction of the combustion tube 102. In this embodiment, the plurality of combustion pipes 102 are arranged in parallel and at intervals, and the second furnace body 106 is provided with second slide holes for the combustion pipes 102 to pass through respectively, so that the second furnace body 106 can slide on the plurality of combustion pipes 102 arranged in parallel along the axial direction of the combustion pipes 102, the heating positions of the second furnace body 106 on the plurality of combustion pipes 102 are adjusted, the testing efficiency is further improved, and the testing period is shortened.

In an embodiment of the present application, referring to fig. 2, the third furnace body 107 is slidably disposed on the base 101 along the axial direction of the combustion tubes 102, third sliding holes are respectively disposed on the third furnace body 107 for the combustion tubes 102 to pass through, and each combustion tube 102 passes through the corresponding third sliding hole so that the third furnace body 107 can move along the axial direction of the combustion tube 102. In this embodiment, the plurality of combustion pipes 102 are arranged in parallel and at intervals, and the third furnace body 107 is provided with third slide holes through which the respective combustion pipes 102 pass, so that the third furnace body 107 can slide on the plurality of combustion pipes 102 arranged in parallel along the axial direction of the combustion pipes 102, and the heating positions of the third furnace body 107 on the plurality of combustion pipes 102 are adjusted, thereby further improving the testing efficiency and shortening the testing period.

In one embodiment of the present application, referring to fig. 1, each water absorbing device 301 comprises a first U-shaped tube and a water absorbing agent accommodated in the first U-shaped tube, a first end of each second line 303 is communicated with a second end of the corresponding combustion tube 102, and a second end of each second line 303 is communicated with a first port of the corresponding first U-shaped tube. In this embodiment, each water absorbing device 301 comprises a first U-shaped tube, the first port of each first U-shaped tube communicating with the second end of the respective combustion tube 102 via the respective second line 303, and a water absorbing agent contained in the first U-shaped tube. When the water-absorbing agent is used, the preset heating position of each combustion tube 102 is heated at a high temperature through the heating furnace 104, and oxygen flow is introduced into each combustion tube 102 through the oxygen supply device 200, so that the purpose of heating and burning the sample in each combustion tube 102 is achieved, finally, hydrogen elements in the sample respectively react to generate water, and the content of hydrogen in the sample is calculated through the increment of the water-absorbing agent in the corresponding first U-shaped tube. It is to be understood that the water-absorbing agent may be, but is not limited to, anhydrous calcium chloride or anhydrous magnesium perchlorate.

In one embodiment of the present application, referring to fig. 1, each carbon dioxide absorbing device 302 includes a second U-shaped tube and a carbon dioxide absorbent contained in the second U-shaped tube, a first end of each third pipeline 304 is communicated with a second port of the corresponding first U-shaped tube, and a second end of each third pipeline 304 is communicated with a first port of the corresponding second U-shaped tube. In this embodiment, each carbon dioxide absorbing device 302 includes a second U-shaped tube and a carbon dioxide absorbent contained in the second U-shaped tube, and a first port of each second U-shaped tube is communicated with a second port of the corresponding first U-shaped tube (or communicated with a second end of the corresponding combustion tube 102) through a corresponding third line 304. When the device is used, the preset heating position of each combustion tube 102 is heated at a high temperature through the heating furnace 104, and oxygen flow is introduced into each combustion tube 102 through the oxygen supply device 200, so that the purpose of heating and combusting the sample in each combustion tube 102 is achieved, finally, carbon elements in the sample respectively react to generate carbon dioxide, and the content of carbon in the sample is calculated through the increment of the carbon dioxide absorbent in the corresponding second U-shaped tube. It is to be understood that the carbon dioxide absorbent may be, but is not limited to, alkali asbestos or soda lime. To further enhance the absorption effect of carbon dioxide, the front 2/3 portion of the second U-shaped tube for carbon dioxide may be filled with alkali rock wool or soda lime, and the front 1/3 portion of the second U-shaped tube for carbon dioxide may be filled with anhydrous calcium chloride or anhydrous magnesium perchlorate.

In one embodiment of the present application, referring to fig. 1, the absorption system 300 further includes a plurality of nitrogen oxide absorption devices 305 for respectively absorbing nitrogen oxides generated after the combustion of the samples in the plurality of combustion pipes 102, each of the nitrogen oxide absorption devices 305 includes a third U-shaped pipe, a nitrogen oxide absorbent contained in the third U-shaped pipe, and a fourth pipeline 306 for communicating a first port of the third U-shaped pipe with a second port of the corresponding first U-shaped pipe, and a first end of each of the third pipelines 304 is communicated with the second port of the corresponding third U-shaped pipe. In this embodiment, by providing a plurality of nitrogen oxide absorption devices 305, nitrogen oxides generated after the sample in the corresponding combustion tube 102 is combusted are purified and absorbed by each nitrogen oxide absorption device 305, so as to avoid interference of the nitrogen oxides on the determination of the carbon content in the sample, and thus, the accuracy of the determination of the carbon content in the sample can be improved. It is to be understood that the nitrogen oxide absorbent may be, but is not limited to, manganese dioxide. To further enhance the absorption of nitrogen oxides, the first 2/3 portion of the second U-shaped tube for carbon dioxide may be filled with particulate manganese dioxide, and the first 1/3 portion of the second U-shaped tube for carbon dioxide may be filled with anhydrous calcium chloride or anhydrous magnesium perchlorate.

In an embodiment of the present application, referring to fig. 1, the hydrocarbon analyzer further includes a furnace moving mechanism 700 for driving the first furnace body 105 to move, the furnace moving mechanism 700 is mounted on the base 101, and an output end of the furnace moving mechanism 700 is connected to the first furnace body 105. In this embodiment, when using, only need move the first furnace body 105 of stove mechanism 700 drive and remove, alright quick, stably adjust the heating position of first furnace body 105 to combustion tube 102, can realize moving the stove operation voluntarily, need not artifical manual operation and remove heating furnace 104, operation control is simple and convenient to improve and adopt three section stove burner 100 to carry out the convenience of the survey of hydrocarbon content, improve efficiency of software testing. As can be appreciated. The carbon-hydrogen analyzer further comprises a furnace moving mechanism 700 for driving the second furnace body 106 to move and a furnace moving mechanism 700 for driving the third furnace body 107 to move, the heating positions of the second furnace body 106 and the third furnace body 107 on the combustion tube 102 can be quickly and stably adjusted only by driving the second furnace body 106 and the third furnace body 107 to move through the furnace moving mechanism 700, automatic furnace moving operation can be realized, and the heating furnace 104 does not need manual operation and movement.

In an embodiment of the present application, referring to fig. 1, the hydrocarbon analyzer further includes a gas drying tower 400 for drying oxygen and a connection pipe 500 connecting a gas transmission port of the oxygen cylinder 201 with a gas inlet of the gas drying tower 400, wherein a first end of each first pipeline 202 is communicated with a gas outlet of the gas drying tower 400. In this embodiment, a drying tower is provided, and the flow of oxygen supplied from the oxygen cylinder 201 of the oxygen supply apparatus 200 to each combustion tube 102 is dried by the drying tower, so as to prevent moisture contained in the oxygen from interfering with the measurement of the hydrogen content in the sample, thereby improving the accuracy of the measurement of the hydrogen content in the sample. It is understood that the gas drying tower 400 may be filled with anhydrous calcium chloride or anhydrous magnesium perchlorate to absorb moisture in the oxygen stream. The gas drying tower 400 may also be filled with alkali asbestos or soda lime to purify oxygen.

In an embodiment of the present application, referring to fig. 1, each first pipeline 202 is provided with a flow control valve 600 for detecting and controlling the flow of gas in the first pipeline 202. In this embodiment, a flow control valve 600 is disposed on each first pipeline 202, and the flow rate of the gas in the corresponding first pipeline 202 is detected and controlled through each flow control valve 600, so as to control the flow rate of the oxygen gas flow supplied to the corresponding combustion tube 102 by each first pipeline 202, which is beneficial to improving the accuracy of the determination of the content of the hydrocarbon in the sample. Further, the flow control valve 600 is provided in each first line 202, and the oxygen cylinder 201 of the oxygen supply apparatus 200 can be independently controlled to supply the oxygen flow to each combustion tube 102, so that each combustion tube 102 can independently perform the test operation without interfering with the test due to the oxygen supply, thereby improving the flexibility of simultaneously performing the measurement of the hydrocarbon content with respect to a plurality of samples.

In an embodiment of the present application, referring to fig. 3 and fig. 12, the furnace moving mechanism 700 includes a supporting plate 710 fixedly mounted on the base 101, a sliding table 720 slidably disposed on the supporting plate 710, and a linear driving assembly 730 for driving the sliding table 720 to move, wherein the sliding table 720 is connected to the first furnace body 105, and the linear driving assembly 730 is connected to the sliding table 720.

In this embodiment, by adopting the above scheme, the furnace moving mechanism 700 includes the supporting plate 710, the sliding table 720, the linear driving assembly 730 and the roller assembly 740, the supporting plate 710 is fixed on the base 101 of the three-section furnace combustion apparatus 100, the sliding table 720 is slidably disposed on the supporting plate 710, the sliding table 720 is connected with the first furnace body 105, the linear driving assembly 730 for driving the sliding table 720 to move is installed on the supporting plate 710, and the roller assembly 740 for rolling and supporting the first furnace body 105 is installed on the supporting plate 710. Then when using, only need be fixed in the base 101 of three section stove burner 100 with the backup pad 710 on, utilize roller assembly 740 to roll first furnace body 105 and support on backup pad 710 to link to each other first furnace body 105 with slip table 720, alright drive slip table 720 through sharp drive assembly 730 removal, drive first furnace body 105 along burner 102 axial displacement, thereby can conveniently, fast, realize the automation of first furnace body 105 and move the stove operation steadily, need not artifical manual operation and remove first furnace body 105. In addition, in the moving process of the first furnace body 105, the roller assembly 740 plays a role of rolling and supporting the first furnace body 105, so that friction between the bottom of the first furnace body 105 and the supporting plate 710 can be reduced, and the first furnace body 105 can be moved quickly and stably.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A three-section furnace type combustion device capable of automatically moving a furnace is characterized by comprising:

a base;

the combustion tube is used for placing a sample;

2. The three-stage furnace type combustion device capable of automatically moving the furnace according to claim 1, wherein the displacement sensor is a grating ruler sensor, the grating ruler sensor comprises a scale grating for calibrating the movement position of the first furnace body and a grating reading head for cooperating with the scale grating to collect the movement position information of the first furnace body, and the scale grating is arranged on the first furnace body.

3. The three-stage furnace type combustion device capable of automatically moving the furnace according to claim 2, wherein the furnace moving mechanism comprises a supporting plate fixedly mounted on the base, a sliding table slidably arranged on the supporting plate, a linear driving assembly for driving the sliding table to move, and a roller assembly for rolling and supporting the first furnace body, the sliding table is connected with the first furnace body, the linear driving assembly is connected with the sliding table, and the roller assembly is mounted on the supporting plate.

4. The three-stage furnace type combustion device capable of automatically moving the furnace according to claim 3, wherein the furnace moving mechanism further comprises a first linear slide rail mechanism for guiding the sliding table to move, the first linear slide rail mechanism comprises a first linear guide rail fixedly mounted on the supporting plate and a first sliding block mounted on the first linear guide rail, the first linear guide rail axially extends along the combustion tube, and the sliding table is connected with the first sliding block.

5. The three-section furnace type combustion device capable of automatically moving the furnace according to claim 4, further comprising a cross beam and a second linear slide rail mechanism, wherein the cross beam is supported and fixed on the corresponding support at two ends of the three-section furnace type combustion device and the second linear slide rail mechanism guides the first furnace body to move, the second linear slide rail mechanism comprises a second linear guide rail fixedly installed on the cross beam and a second slide block installed on the second linear guide rail, the second linear guide rail extends along the axial direction of the combustion tube, and the first furnace body is connected with the second slide block.

6. The three-stage furnace combustion device capable of automatically moving a furnace according to claim 5, wherein the grating reading head is arranged on the cross beam, and the scale grating is arranged on a surface of the first furnace body facing the grating reading head.

7. The triple stack combustion apparatus of claim 1 to 6, further comprising tubular sliding joints for slidably supporting the combustion tube so that the first furnace body is movable in an axial direction of the combustion tube, each of the tubular sliding joints being provided in the corresponding slide hole, the first furnace body being slidably supported on the corresponding combustion tube through the corresponding tubular sliding joint.

8. The three-stage furnace type combustion device capable of automatically moving the furnace according to claim 7, wherein the tubular sliding joint comprises a tubular retainer, a plurality of first balls and a plurality of second balls, the inner wall of the tubular retainer is concavely provided with first ball grooves for the rolling installation of the first balls, and the first ball grooves are arranged in a symmetrical collar-shaped array around the axis of the tubular retainer so as to form a ring-shaped array of ball groove units on the inner wall of the tubular retainer; each first ball is arranged in the corresponding first ball groove in a rolling mode, a second ball groove for the second ball to be arranged in the rolling mode is formed in the inner wall of each first ball groove in a concave mode, each second ball is arranged in the corresponding second ball groove in the rolling mode, and the first balls and the corresponding second balls form spherical contact.

9. The triple-grate combustion apparatus capable of moving a furnace automatically as claimed in claim 8, wherein a plurality of second ball grooves for rolling the second balls are formed on an inner wall of each of the first ball grooves, and the second balls are rolled in each of the second ball grooves.

10. A hydrocarbon analyzer comprising the three-stage combustion apparatus capable of moving a furnace automatically according to any one of claims 1 to 9.