CN216361786U

CN216361786U - Melting sample preparation device for measuring impurity elements by using x-ray fluorescence spectrum

Info

Publication number: CN216361786U
Application number: CN202123134434.5U
Authority: CN
Inventors: 李磊; 魏旭; 张青; 阳珊; 遇祯; 王枫
Original assignee: Anhui Institute Of Geological Experiment Hefei Mineral Resources Supervision And Testing Center Of Ministry Of Land And Resources
Current assignee: Anhui Institute Of Geological Experiment Hefei Mineral Resources Supervision And Testing Center Of Ministry Of Land And Resources
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-22
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a melting sample preparation device for measuring impurity elements by using an x-ray fluorescence spectrum, which comprises a base, wherein an XRF high-frequency sample melting furnace body is arranged on one side of the upper end surface of the base, a melting furnace is arranged on the other side of the upper end surface of the base, a motor is fixedly arranged on the front side and the rear side of one side of the outer surface of the melting furnace, a melting cavity is arranged above the front end surface of the melting furnace, the inner side of the melting cavity is hinged with a cover plate, a workbench is fixedly arranged on one side of the upper end surface of the melting cavity, four crucibles are uniformly arranged on the upper end surface of the workbench, two threaded rods are symmetrically arranged on the front side and the rear side above the inner part of the melting cavity, and threaded blocks are sleeved on the outer surfaces of the threaded rods. The crucible can be rapidly cooled, the sample preparation efficiency is improved, the flue gas can be discharged after being treated, the activated carbon adsorption plate is convenient to replace, and the purification efficiency is improved.

Description

Melting sample preparation device for measuring impurity elements by using x-ray fluorescence spectrum

Technical Field

The utility model relates to the technical field of a melting sample preparation device, in particular to a melting sample preparation device for measuring impurity elements by using an x-ray fluorescence spectrum.

Background

The X-ray fluorescence spectrum analysis technology is widely applied to the field of inorganic analysis such as geology, metallurgy, materials, environment and the like, is one of the most important technical means for analyzing main components in various inorganic materials, and is used for carrying out rapid qualitative and quantitative analysis on various components in the materials. When the existing X-ray fluorescence spectrum analysis is used for detecting impurity elements, the impurities to be detected need to be subjected to high-temperature melting, so that the impurities to be detected become an amorphous eutectic body and then are prepared into a sample wafer with a certain size, and thus, the mineral effect and the granularity effect of the impurities to be detected are eliminated. The melting method is a sample preparation method which mixes oxide powder samples with flux in proportion and then utilizes a melting sample preparation device to carry out eutectic melting at high temperature to form uniform glass bodies which can be detected by XRF.

However, in the existing sample melting device, the temperature of the crucible and the forming die is only reduced in a natural cooling mode, so that the cooling rate of the melted sample is relatively slow, the sample preparation efficiency of the sample is low, smoke is generated when the sample is remelted by a sample melting machine, and the smoke is usually directly discharged into the atmosphere and pollutes the atmosphere; therefore, the existing requirements are not met, and a melting sample preparation device for measuring impurity elements by using x-ray fluorescence spectroscopy is provided for the device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a melting sample preparation device for measuring impurity elements by using an x-ray fluorescence spectrum, which solves the problems that the existing sample preparation device proposed in the background art only carries out the temperature reduction of a crucible and a forming die in a natural cooling mode, so that the cooling rate of a melted sample is slower, the sample preparation efficiency of the sample is not high, smoke is generated when a sample is remelted by a sample preparation machine, the smoke is usually directly discharged into the atmosphere, the atmosphere is polluted and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: a melting sample preparation device for measuring impurity elements by using x-ray fluorescence spectroscopy comprises a base, wherein an XRF high-frequency sample melting furnace body is installed on one side of the upper end face of the base, a melting furnace is arranged on the other side of the upper end face of the base, a motor is fixedly installed on the front side and the rear side of one side of the outer surface of the melting furnace, a melting cavity is arranged above the front end face of the melting furnace, a cover plate is hinged to the inner side of the melting cavity, a workbench is fixedly installed on one side of the upper end face of the melting cavity, four crucibles are uniformly installed on the upper end face of the workbench, two threaded rods are symmetrically arranged on the front side and the rear side above the inner part of the melting cavity, threaded blocks are sleeved on the outer surfaces of the threaded rods, a movable plate is fixedly installed on the lower end faces of the two threaded blocks, a cooling box is fixedly installed in the middle position of the upper end face of the movable plate, and circular grooves are formed in the two sides of the lower end face of the movable plate, the top surface of the inner wall of the circular groove is fixedly provided with electric push rods, the lower end surfaces of the two electric push rods are fixedly provided with a bottom plate, the lower end surface of the bottom plate is provided with a square groove, the top surface of the inner wall of the square groove is uniformly provided with four fan bodies B, one side behind the upper end surface of the melting furnace is fixedly provided with a fixed plate, a fan cavity is arranged inside the fixed plate, the bottom surface of the fan cavity is fixedly provided with a fan body A, the upper end surface of the fixed plate is provided with a box body, the lower part of the inner wall of the box body is fixedly provided with a UV lamp tube, one side of the outer surface of the box body is provided with a T-shaped fixed seat, the other side of the inner wall of the box body is fixedly provided with a mounting seat, one side of the T-shaped fixed seat opposite to the mounting seat is provided with two activated carbon adsorption plates, the top end of the inner wall of the box body is fixedly connected with a spring, and the other end of the spring is fixedly provided with a movable plate, an air outlet pipe is arranged on the other side of the outer surface above the box body, and a temperature control box is fixedly mounted on the rear end face of the base.

Preferably, the display screen is installed to the preceding terminal surface of XRF high frequency melting appearance stove body, the equal fixed mounting in both sides of terminal surface has the observation window before the apron, the place ahead fixed mounting of apron up end has the handle.

Preferably, the blower body a is connected with the inside of the box body through a connecting pipe.

Preferably, the T-shaped fixing seat is fixedly connected with the box body through a bolt, two grooves are formed in one side of the outer surface of the mounting seat, the activated carbon adsorption plate is connected with the mounting seat through the grooves in an inserting mode, and the T-shaped fixing seat is fixedly connected with the activated carbon adsorption plate through a clamping groove.

Preferably, the blower cavity is connected with the melting cavity through a plurality of through holes.

Preferably, the lower end face of the cooling box is communicated with a cold air pipe, the other end of the cold air pipe is connected with four branch pipes, the other ends of the four branch pipes are communicated with the four fan bodies A, and an electromagnetic valve is installed above the inner portion of the cold air pipe.

Preferably, the output end of the motor is fixedly connected with a rotating shaft, the other end of the rotating shaft is fixedly connected with one end of a threaded rod, and the other end of the threaded rod is rotatably connected with the inner wall of the melting cavity through a bearing.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the motor, the threaded rod, the cooling box, the cold air pipe, the threaded block, the movable plate, the electric push rod, the circular groove, the bottom plate, the fan body B, the branch pipe and the square groove are arranged, after melting is completed, the motor is controlled to work to drive the threaded rod to rotate, the threaded block moves leftwards on the outer surface of the threaded rod to drive the movable plate to move until the bottom plate moves right above the workbench, the switch of the electric push rod is opened, the electric push rod extends out to drive the bottom plate to move downwards, the bottom plate moves downwards to cover the workbench, the electromagnetic valve and the switch of the fan body B are opened, cold air is put into the cold air pipe and the branch pipe from the cooling box to flow into the fan body B, and the fan body B blows the cold air into the square groove to cool the crucible, so that a quick cooling effect can be achieved, and the sample preparation effect is improved;

2. according to the utility model, by arranging the UV lamp tube and the activated carbon adsorption plate, when smoke enters the box body from the connecting pipe, the smoke is cracked through the UV lamp tube and then passes through the activated carbon adsorption plate to be filtered, the movable plate is pushed upwards by the smoke, the outlet pipe is exposed, purified gas is discharged from the outlet pipe, and when the activated carbon adsorption plate needs to be replaced, the bolt is unscrewed to extract the T-shaped fixed seat from the box body and then extract the activated carbon adsorption plate from the clamping groove, so that the smoke purification box is convenient for a user to replace.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a front cross-sectional view of the present invention in its entirety;

FIG. 3 is a schematic view of a partial structure of the case of the present invention;

fig. 4 is a partial structure diagram of the moving plate of the present invention.

In the figure: 1. a base; 2. a temperature control box; 3. a melting furnace; 4. a cover plate; 5. a melting chamber; 6. a box body; 7. an XRF high-frequency sample melting furnace body; 8. a work table; 9. a crucible; 10. a motor; 11. a threaded rod; 12. an air outlet pipe; 13. a spring; 14. a movable plate; 15. a T-shaped fixed seat; 16. a bolt; 17. an activated carbon adsorption plate; 18. a UV lamp tube; 19. a connecting pipe; 20. a fan body A; 21. a fixing plate; 22. a fan cavity; 23. a cooling tank; 24. a cold air pipe; 25. a thread block; 26. moving the plate; 27. an electric push rod; 28. a circular groove; 29. a base plate; 30. a fan body B; 31. a branch pipe; 32. a square groove; 33. and (7) mounting a seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The motor 10 (model 68KTYZ) and the electric push rod 27 (model LBP40) can be purchased from the market or customized.

Referring to fig. 1 to 4, an embodiment of the present invention includes: a melting sample preparation device for measuring impurity elements by using x-ray fluorescence spectroscopy comprises a base 1, an XRF high-frequency sample melting furnace body 7 is installed on one side of the upper end face of the base 1, a melting furnace 3 is arranged on the other side of the upper end face of the base 1, a motor 10 is fixedly installed on the front portion and the rear portion of one side of the outer surface of the melting furnace 3, a melting cavity 5 is arranged above the front end face of the melting furnace 3, a cover plate 4 is hinged to the inner side of the melting cavity 5, a workbench 8 is fixedly installed on one side of the upper end face of the melting cavity 5, four crucibles 9 are uniformly installed on the upper end face of the workbench 8, two threaded rods 11 are symmetrically arranged on the front portion and the rear portion above the inner portion of the melting cavity 5, threaded blocks 25 are sleeved on the outer surface of the threaded rods 11, a movable plate 26 is fixedly installed on the lower end face of each threaded block 25, a cooling box 23 is fixedly installed in the middle position of the upper end face of the movable plate 26, circular grooves 28 are formed in the two sides of the lower end face of the movable plate 26, the top surface of the inner wall of the circular groove 28 is fixedly provided with electric push rods 27, the lower end surfaces of the two electric push rods 27 are fixedly provided with a bottom plate 29, the lower end surface of the bottom plate 29 is provided with a square groove 32, the top surface of the inner wall of the square groove 32 is uniformly provided with four fan bodies B30, one side behind the upper end surface of the melting furnace 3 is fixedly provided with a fixed plate 21, a fan cavity 22 is arranged inside the fixed plate 21, the bottom surface of the fan cavity 22 is fixedly provided with a fan body A20, the upper end surface of the fixed plate 21 is provided with a box body 6, the lower part of the inner wall of the box body 6 is fixedly provided with a UV lamp tube 18, one side of the outer surface of the box body 6 is provided with a T-shaped fixed seat 15, the other side of the inner wall of the box body 6 is fixedly provided with a mounting seat 33, one side of the T-shaped fixed seat 15 opposite to the mounting seat 33 is provided with two activated carbon adsorption plates 17, the top end of the inner wall of the box body 6 is fixedly connected with a spring 13, and the other end of the spring 13 is fixedly provided with a movable plate 14, an air outlet pipe 12 is arranged on the other side of the outer surface above the box body 6, and a temperature control box 2 is fixedly arranged on the rear end face of the base 1.

Further, the display screen is installed to XRF high frequency melting appearance stove body 7's preceding terminal surface, and the equal fixed mounting in both sides of terminal surface has the observation window before the apron 4, and the place ahead fixed mounting of apron 4 up end has the handle.

Through adopting above-mentioned technical scheme, be convenient for open apron 4 through the handle, can observe melting chamber 5 through the observation window.

Further, the blower main body a20 is connected to the inside of the case 6 by a connection pipe 19.

By adopting the above technical scheme, the flue gas in the fan cavity 22 can enter the box body 6 through the connecting pipe 19.

Further, T shape fixing base 15 passes through bolt 16 fixed connection with box 6, and one side of mount pad 33 surface is provided with two recesses, and activated carbon adsorption plate 17 passes through recess plug-in connection with mount pad 33, and T shape fixing base 15 passes through draw-in groove fixed connection with activated carbon adsorption plate 17.

Through adopting above-mentioned technical scheme, convenience of customers changes active carbon adsorption board 17.

Further, the blower chamber 22 is connected to the melting chamber 5 through a plurality of through holes.

By adopting the above technical scheme, the flue gas in the melting chamber 5 can enter the fan chamber 22 through the through hole.

Further, the lower end surface of the cooling box 23 is communicated with a cold air pipe 24, the other end of the cold air pipe 24 is connected with four branch pipes 31, the other ends of the four branch pipes 31 are communicated with four fan bodies a20, and an electromagnetic valve is installed above the inside of the cold air pipe 24.

By adopting the technical scheme, cold air can flow into the fan body B30 through the cold air pipe 24 and the branch pipe 31.

Further, the output end of the motor 10 is fixedly connected with a rotating shaft, the other end of the rotating shaft is fixedly connected with one end of a threaded rod 11, and the other end of the threaded rod 11 is rotatably connected with the inner wall of the melting cavity 5 through a bearing.

Through adopting above-mentioned technical scheme, improve threaded rod 11 pivoted stability.

The working principle is as follows: when the device is used, the power is switched on, after melting is completed, the motor 10 is controlled to operate to drive the threaded rod 11 to rotate, the threaded block 25 moves leftwards on the outer surface of the threaded rod 11 to drive the movable plate 26 to move until the bottom plate 29 moves right above the workbench 8, the switch of the electric push rod 27 is opened, the electric push rod 27 extends out to drive the bottom plate 29 to move downwards, the bottom plate 29 moves downwards to cover the workbench 8, the switch of the electromagnetic valve and the fan body B30 is opened, cold air is put into the cold air pipe 24 and the branch pipe 31 from the cooling box 23 to flow into the fan body B30, the fan body B30 blows the cold air into the square groove 32 to cool the crucible 9, the effect of rapid cooling can be achieved, the sample preparation effect is improved, in the melting process, the switch of the fan body A20 is opened, smoke enters the box body 6 through the through hole and the connecting pipe 19, is cracked through the UV lamp tube 18 and then passes through the activated carbon adsorption plate 17, filter the flue gas, the flue gas pushes up fly leaf 14, outlet duct 12 is exposed, gas after being purified is discharged from outlet duct 12, when needs are changed activated carbon adsorption plate 17, unscrew bolt 16, extract T shape fixing base 15 from box 6, then extract activated carbon adsorption plate 17 from the draw-in groove, thereby the person of facilitating the use changes, this utility model discloses can carry out rapid cooling to crucible 9, improve system appearance efficiency, and can discharge after handling the flue gas, conveniently change activated carbon adsorption plate 17, improved purification efficiency.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A melting sample preparation device for measuring impurity elements by using x-ray fluorescence spectroscopy comprises a base (1), and is characterized in that: XRF high frequency melting sample furnace body (7) is installed to one side of base (1) up end, the opposite side of base (1) up end is provided with melting furnace (3), fixed mounting has motor (10) around melting furnace (3) surface one side, the top of terminal surface is provided with melting chamber (5) before melting furnace (3), the inboard articulated apron (4) that is connected with of melting chamber (5), one side fixed mounting of melting chamber (5) up end has workstation (8), four crucibles (9) are evenly installed to the up end of workstation (8), the preceding back symmetry of the inside top in melting chamber (5) is provided with two threaded rods (11), the surface cover of threaded rod (11) is equipped with screw thread piece (25), two lower terminal surface fixed mounting of screw thread piece (25) has movable plate (26), the intermediate position fixed mounting of movable plate (26) up end has cooler bin (23), the improved melting furnace is characterized in that circular grooves (28) are formed in two sides of the lower end face of the movable plate (26), electric push rods (27) are fixedly mounted on the top face of the inner wall of each circular groove (28), bottom plates (29) are fixedly mounted on the lower end faces of the two electric push rods (27), square grooves (32) are formed in the lower end faces of the bottom plates (29), four fan bodies B (30) are uniformly mounted on the top faces of the inner walls of the square grooves (32), a fixing plate (21) is fixedly mounted on one side of the rear portion of the upper end face of the melting furnace (3), a fan cavity (22) is formed in the fixing plate (21), a fan body A (20) is fixedly mounted on the bottom face of the fan cavity (22), a box body (6) is mounted on the upper end face of the fixing plate (21), a UV lamp tube (18) is fixedly mounted below the inner wall of the box body (6), and a T-shaped fixing seat (15) is arranged on one side of the outer surface of the box body (6), the opposite side fixed mounting of box (6) inner wall has mount pad (33), T shape fixing base (15) with one side that mount pad (33) is relative is provided with two activated carbon adsorption board (17), the top fixedly connected with spring (13) of box (6) inner wall, the other end fixed mounting of spring (13) has fly leaf (14), the opposite side of box (6) top surface is provided with outlet duct (12), the rear end face fixed mounting of base (1) has temperature control box (2).

2. The melting sample preparation device for x-ray fluorescence spectrometry according to claim 1, wherein: the display screen is installed to the preceding terminal surface of XRF high frequency melting appearance stove body (7), the equal fixed mounting in both sides of terminal surface has the observation window before apron (4), the place ahead fixed mounting of apron (4) up end has the handle.

3. The melting sample preparation device for x-ray fluorescence spectrometry according to claim 1, wherein: the fan body A (20) is connected with the interior of the box body (6) through a connecting pipe (19).

4. The melting sample preparation device for x-ray fluorescence spectrometry according to claim 1, wherein: t shape fixing base (15) with box (6) are through bolt (16) fixed connection, one side of mount pad (33) surface is provided with two recesses, activated carbon adsorption board (17) with mount pad (33) pass through recess plug-in connection, T shape fixing base (15) with activated carbon adsorption board (17) pass through draw-in groove fixed connection.

5. The melting sample preparation device for x-ray fluorescence spectrometry according to claim 1, wherein: the fan cavity (22) is connected with the melting cavity (5) through a plurality of through holes.

6. The melting sample preparation device for x-ray fluorescence spectrometry according to claim 1, wherein: the lower end face of the cooling box (23) is communicated with a cold air pipe (24), the other end of the cold air pipe (24) is connected with four branch pipes (31), the other ends of the four branch pipes (31) are communicated with the four fan bodies A (20), and an electromagnetic valve is installed above the interior of the cold air pipe (24).

7. The melting sample preparation device for x-ray fluorescence spectrometry according to claim 1, wherein: the output fixedly connected with pivot of motor (10), the other end of pivot with the one end fixed connection of threaded rod (11), the other end of threaded rod (11) with the inner wall of melting chamber (5) passes through the bearing and rotates the connection.