CN216654627U

CN216654627U - Constant-temperature heating device for fire testing and gold separation

Info

Publication number: CN216654627U
Application number: CN202122559219.3U
Authority: CN
Inventors: 韩云山; 员阿朋; 郑文英; 刘波; 罗才平; 王传飞; 张健; 穆秀美; 李瑞玲
Original assignee: Yunnan Copper Co ltd
Current assignee: Yunnan Copper Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-06-03
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to a constant-temperature heating device for fire-testing gold separation, which comprises a water bath and a heater for heating the water bath, wherein a gold separation crucible limiter is arranged in the water bath; the gold separation crucible stopper comprises a stopper body, wherein a plurality of limiting holes used for bearing the gold separation crucible are formed in the stopper body, each limiting hole is larger than 1/3 of the opening diameter of the gold separation crucible and smaller than 1/2 of the opening diameter of the gold separation crucible, and each limiting hole is larger than the bottom diameter of the gold separation crucible. Through placing the branch gold crucible in the water bath and heating, can make the nitric acid in the branch gold crucible heat up more evenly, simultaneously, through set up branch gold crucible stopper in the water bath, the in-process of heating will divide the gold crucible to place in the spacing downthehole of dividing gold crucible stopper, can avoid dividing the gold crucible to appear rocking, convenient operation.

Description

Constant-temperature heating device for fire testing and gold separation

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a constant-temperature heating device for fire-testing and gold-separating.

Background

Fire method gold testing is an important means for analyzing gold and silver, and is a national standard method for determining gold in gold concentrate, copper concentrate, jewelry gold and alloy gold in China. The fire method for testing gold is mainly divided into three stages, namely smelting, ash blowing and gold separation. The gold separation method includes the steps of firstly hammering gold and silver alloy particles into thin pieces, adding nitric acid into a gold separation crucible, placing the gold separation crucible on a gold separation electric furnace for heating to dissolve silver, enabling the gold to still keep solid, quenching and weighing the obtained gold particles, calculating the content of the gold, and obtaining the content of the silver according to the difference between the mass of the gold and the mass of the gold. If the temperature of the nitric acid is not uniform or too low or too high during the gold separation, the gold and silver alloy particles are cracked to different degrees, so that the analysis result generates errors.

In the prior art, a gold separating crucible loaded with nitric acid and gold and silver alloy particles is directly placed on a heating furnace for heating, the nitric acid in the gold separating crucible is very easily heated unevenly by the heating mode, although the gold separating crucible can be placed in water for heating, the gold separating crucible is placed in the existing water bath heating equipment for directly heating, and the heating operation and the inconvenience caused by the fact that the gold separating crucible is prone to toppling over in the heating and taking-out processes are avoided.

Therefore, the prior art is still subject to further improvement.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide a constant-temperature heating device for fire-test gold separation, and aims to solve the problem that the heating operation of a gold separation crucible is inconvenient in the existing gold separation operation.

The embodiment of the utility model provides a constant-temperature heating device for fire-test gold separation, which comprises a water bath and a heater for heating the water bath, wherein a gold separation crucible limiter is arranged in the water bath;

the gold separation crucible stopper comprises a stopper body, wherein a plurality of limiting holes used for bearing the gold separation crucible are formed in the stopper body, each limiting hole is larger than 1/3 of the opening diameter of the gold separation crucible and smaller than 1/2 of the opening diameter of the gold separation crucible, and each limiting hole is larger than the bottom diameter of the gold separation crucible.

Optionally, the constant temperature heating device for fire testing and gold separating comprises: a first partition, a second partition, a third partition, and a fourth partition; the limiting holes are formed in each partition, the aperture of the limiting holes in the same partition is the same, and the aperture of the limiting holes in adjacent partitions is different.

Optionally, the constant temperature heating device for fire testing and gold separation further includes: a temperature measurement mechanism for monitoring water bath tank internal temperature, temperature measurement mechanism includes: the temperature sensor is fixed in the water bath.

Optionally, the constant temperature heating device for fire-testing and separating gold, wherein the gold-separating crucible stopper further comprises: and the supporting piece is fixedly connected with the stopper body.

Optionally, the constant temperature heating device for fire testing and gold separating comprises: the first supporting piece and the second supporting piece are respectively fixed at two ends of the limiting device body and are respectively vertical to the limiting device body.

Optionally, the constant temperature heating device for fire-testing and separating gold, wherein the gold-separating crucible stopper further comprises: the handle is fixed on the stopper body.

Optionally, the constant temperature heating device for fire-testing gold-separating is characterized in that a water level mark is arranged on the inner wall of the water bath.

Optionally, the constant temperature heating device for fire-testing gold separation is provided with a first partition, a second partition, a third partition and a fourth partition, wherein the first partition, the second partition, the third partition and the fourth partition are respectively provided with a hole diameter identifier, and the hole diameter identifier corresponds to the hole diameter of the limiting hole in the partition.

Optionally, the constant temperature heating device for fire testing and gold separating, wherein the handle comprises: the first handle and the second handle are respectively fixed at two ends of the limiting device body and are respectively perpendicular to the limiting device body.

Optionally, the constant temperature heating device for fire testing and gold separation is characterized in that the water bath comprises: the heat insulation structure comprises an outer shell and a lining fixed on the inner wall of the outer shell, wherein the surface of the lining is coated with a heat insulation coating.

Has the advantages that: the utility model provides a constant-temperature heating device for fire-testing gold and separating, which can enable the temperature rise of nitric acid in a gold separating crucible to be more uniform by placing the gold separating crucible in a water bath for heating, and meanwhile, by arranging a gold separating crucible limiter in the water bath, the gold separating crucible is placed in a limiting hole of the gold separating crucible limiter in the heating process, so that the gold separating crucible can be prevented from shaking, and the operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without any inventive work.

FIG. 1 is a perspective view of a constant temperature heating apparatus for fire-testing and separating gold in accordance with an embodiment of the present invention;

FIG. 2 is a schematic structural view of a stopper of a gold-separating crucible according to an embodiment of the present invention;

FIG. 3 is a sectional view of a stopper of a gold-separating crucible according to an embodiment of the present invention.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1 to 2, the present invention provides a constant temperature heating apparatus for fire testing and gold separating, which comprises a housing 10, a heater (not shown) disposed inside the housing 10, and a control panel 11 disposed on the housing, wherein the heater can be controlled by operating the control panel. Inside the shell body, the top of heater is provided with a water bath 20, the material of water bath 20 can be the aluminum alloy material, water bath 20 can be bilayer structure, and outside shell body (not shown) sets up an inside lining (not shown) on the lateral wall of shell body promptly, can be in simultaneously the surface coating one deck barrier coating of inside lining, through setting up the water bath to the bilayer to coating insulating paint on the inside lining, can prevent that the temperature of water scatters and disappears from the lateral wall of basin in the in-process of heating, so as to do benefit to the heat preservation. Be equipped with water level sign 21 on water bath inside wall (the lateral wall that does benefit to the observation) for the sign water level, the scale unit is the millimeter, and the setting of water level can also set up according to the volume of the nitric acid that holds in the branch gold crucible that will heat, requires that the liquid level in the water bath will be higher than the liquid level of nitric acid in the branch gold crucible to in better heating for the crucible, make the nitric acid in the branch gold crucible be heated more evenly. The water added in the water bath is tap water, and can also be primary water, secondary water or tertiary water which is superior to the quality of the tap water. Before use, water can be put into the water bath firstly, and then the gold separation limiter is put into the water bath.

It should be noted that the processing size and shape of the water bath can be set according to actual needs, for example, the height can be set according to the height of the segregation crucible and the segregation crucible stopper, where the height of the segregation crucible is the net height of the segregation crucible placed in the stopper hole, that is, the height of the water bath can be slightly less than the height of the segregation crucible.

Illustratively, the water bath is square, 550mm in length, 360mm in width and 50mm in depth.

In this embodiment, a separating crucible stopper 30 is arranged inside the water bath 20, the separating crucible stopper 30 includes a stopper body 31, the stopper body 31 is square, a plurality of (for example, 30) limiting holes 32 are arranged on the square body, and the plurality of limiting holes 32 are used for limiting and fixing the separating crucible to be placed, that is, the crucible to be heated can be placed in the limiting holes to fix the separating crucible.

The aperture of the limiting hole 32 is larger than 1/3 of the opening diameter of the gold separation crucible and smaller than 1/2 of the opening diameter of the gold separation crucible, and the aperture of each limiting hole is larger than the bottom diameter of the gold separation crucible. Limiting the diameter of the limiting hole 32 in 1/3-1/2 of the opening diameter of the gold separation crucible, enabling the bottom of the gold separation crucible to be close to the middle position of a water bath when the liquid level in the water tank is higher than the liquid level of nitric acid in the gold separation crucible, enabling the nitric acid in the gold separation crucible to be heated stably and uniformly, and reducing the influence of the environment on the temperature of the nitric acid. It should be noted that the gold separation crucible described herein is a gold separation crucible commonly used in the art.

In this embodiment, the material of the stopper body 31 may be an aluminum alloy material or a stainless steel material, and the stopper body 31 includes: a first partition (e.g., I), a second partition (e.g., II), a third partition (e.g., III), and a fourth partition (e.g., IV); the limiting holes are arranged in each partition, the aperture of the limiting holes in the same partition is the same, and the aperture of the limiting holes in adjacent partitions is different. Through carrying out the subregion with stopper body 31 to the aperture that will be located the spacing hole of different subregions sets up to the difference, can satisfy not unidimensional branch golden crucible heating demand simultaneously, can also make the same size's crucible simultaneously, the nitric acid liquid level that holds is highly different, obtains comparatively unanimous heating effect.

Illustratively, the opening diameter of the gold separation crucible is 41mm, the height of the gold separation crucible is 41mm, the capacity of the gold separation crucible is 30ml, the aperture of the limiting hole in the partition I is 14mm, the aperture of the limiting hole in the partition II is 16mm, the aperture of the limiting hole in the partition III is 18mm, and the aperture of the limiting hole in the partition IV is 20 mm.

It is easy to understand that in order to stably fix the gold separation crucible in the limiting hole in the gold separation process, one half to two thirds of the height of the gold separation crucible placed in the limiting hole can be positioned at the upper part of the limiting hole.

In this embodiment, the spacing between the limiting holes 32 may be 15mm, 20mm, or 25mm, and the specific size may be set according to the opening size of the gold-separating crucible, and when the opening size of the gold-separating crucible is larger, the spacing between two adjacent limiting holes may be set to be larger, so that the part in water is completely surrounded by water.

As shown in fig. 3, in the present embodiment, the constant temperature heating apparatus for fire-testing gold separation further includes a thermometer 40 for monitoring the temperature of water and a temperature sensor (not shown), the thermometer 40 may be a mercury thermometer, and the lower limit of the temperature measured by the thermometer is 0 ℃ to 50 ℃. The thermometer 40 may be inserted into a fixing hole 35 provided on the stopper body 31 by a rubber plug. The temperature of the water in the water bath is monitored by the mutual matching of the thermometer and the temperature sensor, so that whether the heating equipment or the thermometer fails due to temperature abnormality can be found in time, and the accuracy of temperature monitoring is improved.

In this embodiment, the lower surface of the stopper body 31 is further provided with two supporting members 33, the two supporting members 33 are disposed at two ends of the stopper body 31, and the bottom of the segregation crucible can be prevented from directly contacting the bottom of the water bath, which causes local overheating.

Further, the upper surface of stopper body 31 still is equipped with handle 34, the handle sets up to two, and the symmetry sets up stopper body 31's both ends to conveniently get, put the branch gold stopper.

It is to be understood that the utility model is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the utility model as defined by the appended claims.

Claims

1. A constant temperature heating device for fire test gold separation comprises a water bath and a heater for heating the water bath, and is characterized in that a gold separation crucible limiter is arranged in the water bath;

the gold separation crucible limiter comprises a limiter body, wherein a plurality of limiting holes used for bearing the gold separation crucible are formed in the limiter body, each limiting hole is larger than 1/3 of the opening diameter of the gold separation crucible and smaller than 1/2 of the opening diameter of the gold separation crucible, and each limiting hole is larger than the bottom diameter of the gold separation crucible.

2. A constant temperature heating apparatus for fire testing and gold separation as set forth in claim 1, wherein said stopper body comprises: a first partition, a second partition, a third partition, and a fourth partition; the limiting holes are arranged in each partition, the aperture of the limiting holes in the same partition is the same, and the aperture of the limiting holes in adjacent partitions is different.

3. The constant-temperature heating device for fire testing and gold separation according to claim 1, further comprising: a temperature measurement mechanism for monitoring water bath tank internal temperature, temperature measurement mechanism includes: the temperature sensor is fixed in the water bath.

4. A constant-temperature heating apparatus for fire-testing and separating gold according to claim 1, wherein the separating crucible stopper further comprises: and the supporting piece is fixedly connected with the stopper body.

5. A thermostatic heating device for fire testing and gold separation according to claim 4, wherein said support member includes: the first supporting piece and the second supporting piece are respectively fixed at two ends of the limiting device body and are respectively vertical to the limiting device body.

6. A constant-temperature heating apparatus for fire-testing and separating gold according to claim 1, wherein the separating crucible stopper further comprises: the handle is fixed on the stopper body.

7. The constant-temperature heating device for fire test gold separation according to claim 1, wherein a water level mark is arranged on the inner wall of the water bath.

8. The constant-temperature heating device for fire test gold separation as claimed in claim 2, wherein the first partition, the second partition, the third partition and the fourth partition are respectively provided with an aperture mark, and the aperture mark corresponds to the aperture of the limiting hole in the area.

9. A thermostatic heating device for fire testing and gold separation according to claim 6, wherein said handle includes: the first handle and the second handle are respectively fixed at two ends of the limiting device body and are respectively perpendicular to the limiting device body.

10. A thermostatic heating device for fire testing of gold and separation according to claim 1, wherein said water bath comprises: the thermal insulation structure comprises an outer shell and a lining fixed on the side wall of the outer shell, wherein the surface of the lining is coated with a thermal insulation coating.