CN213102274U

CN213102274U - Device for adding cupel into cupellation furnace at one time

Info

Publication number: CN213102274U
Application number: CN202021682198.3U
Authority: CN
Inventors: 娄宗文; 田强坤; 李超; 孙双荣; 宋斌; 杨启能; 蔡学文; 胡存申
Original assignee: Chuxiong Dianzhong Nonferrous Metal Co ltd
Current assignee: Chuxiong Dianzhong Nonferrous Metal Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-04
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a device for adding cupel into a cupola furnace at one time, belonging to the technical field of cupel placement of a pyrometallurgical gold testing cupola furnace, which comprises a fixed box and a movable plate; two fixing shafts which are parallel and vertical to the front wall and the rear wall of the fixing box are arranged between the front wall and the rear wall of the fixing box; the fixed shaft is sequentially sleeved with the spring and the shaft sleeve along the direction from the front wall to the rear wall of the fixed box, one end of the spring is fixed on the front wall of the fixed box, and the other end of the spring is connected with the shaft sleeve; the shaft sleeve is connected with two side walls of the movable plate; the front wall of the movable plate is provided with a pull rod which penetrates through the front wall of the fixed box; the top surface of the fixed box and the movable plate are respectively provided with an opening area I and an opening area II; the opening area I and the opening area II are provided with a cupel hole 9, the areas and the opening positions of the cupel hole and the cupel hole are the same, and the wide edges of the cupel hole and the cupel hole are positioned on the same plane; the long edge of the perforated area I is positioned at the front side of the long edge of the corresponding perforated area II along the direction from the front wall to the rear wall of the fixing box; the utility model provides the high timeliness of pyrometallurgical foregold analysis reduces personnel's work, improves analysis quality, effectively reduces the safety risk.

Description

Device for adding cupel into cupellation furnace at one time

Technical Field

The utility model belongs to the technology is placed to pyrometallurgical examination gold cupola, specific theory relates to a once add the device of cupola in the cupola.

Background

The cupel is an extremely important vessel used as a dust blowing process when gold and silver are analyzed by pyrogenic process gold test, a lead alloy (generally called as a lead button) obtained after high-temperature melting is placed in the cupel, dust blowing is carried out at a proper temperature to remove lead, the lead is oxidized into lead oxide during dust blowing and permeates into the porous cupel, so that the lead and a small amount of spattered metal in the lead button are removed, and the gold, the silver and precious metals are not oxidized and remain in the cupel to form gold and silver alloy particles.

The cupellation stove furnace that uses at present is narrow and small, and the cupellation stove adopts the heating of upper and lower elema, and the upper end elema is exposed, and analyst need preheat the cupel in advance when beginning the cupel to blow, so need add the cupel in advance and blow the stove, and the interpolation method is: the long handle cupel pliers with the binding edge are used for repeatedly clamping cupels into the cupel blowing furnace one by one in sequence (generally, 24-30 cupels are required to be added into one furnace), and the following problems are easily caused in the clamping process: firstly, the operation is repeated by adding the material into a cupel, the time consumption is long (generally 5min is needed), and the labor intensity of operators is high; secondly, the cupel is easy to fall off when being clamped by a long-handle cupel clamp with a knot edge; thirdly, in the process of adding the silicon carbide rod into the cupel, the cupel pliers easily touch the silicon carbide rod on the upper part of the cupel to cause the silicon carbide rod to be broken; fourthly, when the cupel is added, the cupel is powered off, but the temperature drops seriously after the power off, thereby influencing the analysis quality of the gold and silver; fifthly, safety accidents such as electric shock and the like easily occur. The problems can directly influence the whole pyrometallurgical deposit testing analysis process and analysis results, and potential safety hazards exist.

Therefore, there is a need for a device for adding cupels that reduces the number of iterations, saves time, and reduces safety risks.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem that exists among the background art, the utility model provides an once add the device of cupel in cupellation stove reduces repetitive operation, and save time improves analytical quality, reduces the safety risk.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the device for adding the cupel into the cupel blowing furnace at one time comprises a fixed box 1 and a movable plate 2; two fixing shafts 3 which are parallel and vertical to the front wall and the rear wall of the fixing box 1 are arranged between the front wall and the rear wall of the fixing box 1; a spring 5 and a shaft sleeve 4 are sequentially sleeved on the fixed shaft 3 along the direction from the front wall to the rear wall of the fixed box 1, one end of the spring 5 is fixed on the front wall of the fixed box 1, and the other end of the spring is connected with the shaft sleeve 4; the shaft sleeve 4 is respectively connected with two side walls of the movable plate 2; the front wall of the movable plate 2 is provided with a pull rod 6, and the pull rod 6 penetrates through the front wall of the fixed box 1; the top surface of the fixed box 1 and the movable plate 2 are respectively provided with an opening area I7 and an opening area II 8; the opening area I7 and the opening area II 8 are provided with a plurality of cupel holes 9 with the diameter larger than that of a cupel, the areas and the opening positions of the cupel holes are the same, and the wide edges of the cupel holes are positioned on the same plane; along fixed 1 antetheca to back wall direction of box, the long limit in trompil district I7 all is located the long limit front side in corresponding trompil district II 8.

Furthermore, a plurality of fixing holes 10 are uniformly distributed on the pull rod 6.

Furthermore, an insulating handle 11 is arranged at the front end of the pull rod 6.

Furthermore, the front wall of the fixed box 1 is provided with an insulating supporting frame 12.

The utility model has the advantages that:

1. the utility model discloses fixed box 1, fly leaf 2 are equipped with trompil district I7, trompil district II 8, utilize the dislocation of ash tray hole 9 on trompil district I7, the trompil district II 8, clip the ash tray, the extrusion force that the ash tray produced through the dislocation of ash tray hole 9 is by the centre gripping between fixed box 1, fly leaf 2, realizes taking a plurality of ash trays, effectively shortens to add the ash tray time.

2. The utility model improves the accuracy of the timeliness box of the gold and silver result of the whole pyrometallurgical gold test analysis, and reduces the labor intensity of the operators; avoided because of the cracked condition behind the contact elema of cupel pincers, safety risks such as effectual reduction electric shock.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the fixing box of the present invention;

fig. 3 is a schematic structural view of the movable plate of the present invention;

in the figure, 1-a fixed box, 2-a movable plate, 3-a fixed shaft, 4-a shaft sleeve, 5-a spring, 6-a pull rod, 7-an opening area I, 8-an opening area II, 9-a cinerary vessel hole, 10-a fixed hole, 11-an insulating handle, 12-an insulating support frame and 13-a positioning block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below to facilitate understanding of the skilled person.

As can be seen from FIGS. 1-3, a device for adding cupels into a cupola furnace at one time comprises a fixed box 1 and a movable plate 2; two fixing shafts 3 which are parallel and vertical to the front wall and the rear wall of the fixing box 1 are arranged between the front wall and the rear wall of the fixing box 1, and the front wall of the fixing box 1 is provided with an insulating support frame 12; the fixing box 1 is made of nickel alloy which is 80 percent of Ni-20 percent of Cr and has the density of 8.4g/cm³The alloy has a melting point of 1374-1420 ℃, a tensile strength of 650Mpa, good oxidation resistance and heat resistance below 1000 ℃ and a lower positive temperature coefficient. And at normal temperature, the alloy has higher plasticity, cold stamping and welding performance. The length and width of the fixed box 1 are smaller than the size of a hearth of the cupola furnace, and the height of the fixed box is consistent with the height of a cupel used by the cupola furnace.

A spring 5 and a shaft sleeve 4 are sequentially sleeved on the fixed shaft 3 along the direction from the front wall to the rear wall of the fixed box 1, one end of the spring 5 is fixed on the front wall of the fixed box 1, and the other end of the spring is connected with the shaft sleeve 4; the shaft sleeve 4 is respectively connected with two side walls of the movable plate 2; the front wall of the movable plate 2 is provided with a pull rod 6, the pull rod 6 penetrates through the front wall of the fixed box 1, six fixing holes 10 are uniformly distributed on the pull rod 6, and the front end of the pull rod 6 is provided with an insulating handle 11; the top surface of the fixed box 1 and the movable plate 2 are respectively provided with an opening area I7 and an opening area II 8; the opening area I7 and the opening area II 8 are provided with a plurality of cupel holes 9 with the diameter larger than that of a cupel, the areas and the opening positions of the cupel holes are the same, and the wide edges of the cupel holes are positioned on the same plane; along fixed 1 antetheca to back wall direction of box, the long limit in trompil district I7 all is located the long limit front side in corresponding trompil district II 8.

The utility model discloses a working process does: when the step of blowing ash is carried out in the analysis of the test gold, an ash tray needs to be additionally arranged, at the moment, along the direction from the front wall to the rear wall of the fixed box 1, the long edges of the perforated area I7 are all positioned at the front side of the long edge of the corresponding perforated area II 8, the insulating handle 11 is held by hand, the movable plate 2 is pulled by the pull rod 6 to ensure that the opening area I7 is superposed with the opening area II 8, a positioning block 13 matched with the fixing hole 10 is selected, the positioning block 13 is arranged in the fixing hole 10, the pull rod 6 is prevented from resetting, the cupel is placed in the cupel hole 9 at the moment, the positioning block 13 is taken out after the cupel is placed, the movable plate 2 is restored to the rear wall of the fixed box 1 under the restoring force of the spring 5 at the moment, the cupel is clamped by utilizing the dislocation of the cupel holes 9 on the open hole region I7 and the open hole region II 8, the cupel is clamped between the fixed box 1 and the movable plate 2 through the extrusion force generated by the dislocation of the cupel holes 9, the plurality of cupels are taken, and the time for adding the cupels is effectively shortened;

an operator holds the insulating support frame 12 by hand and puts the device into the cupellation furnace horizontally, places the device on the hearth bottom plate, pulls the movable plate 2 through the pull rod 6 again at the moment, makes the open area I7 coincide with the open area II 8, and the cupel is placed on the cupel bottom plate of the cupel furnace naturally, and after the cupel is placed, the device is lifted up gently, the cupel furnace is moved out, and the cupel is added completely.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a once add device of cupel in cupellation stove which characterized in that: the device for adding the cupel into the cupola at one time in the cupola comprises a fixed box (1) and a movable plate (2); two fixing shafts (3) which are parallel and vertical to the front wall and the rear wall of the fixing box (1) are arranged between the front wall and the rear wall of the fixing box (1); a spring (5) and a shaft sleeve (4) are sequentially sleeved on the fixed shaft (3) along the direction from the front wall to the rear wall of the fixed box (1), one end of the spring (5) is fixed on the front wall of the fixed box (1), and the other end of the spring is connected with the shaft sleeve (4); the shaft sleeve (4) is respectively connected with two side walls of the movable plate (2); the front wall of the movable plate (2) is provided with a pull rod (6), and the pull rod (6) penetrates through the front wall of the fixed box (1); the top surface of the fixed box (1) and the movable plate (2) are respectively provided with an opening area I (7) and an opening area II (8); the opening area I (7) and the opening area II (8) are provided with a plurality of cupel holes (9) with the diameter larger than that of a cupel, the areas and the opening positions of the cupel holes are the same, and the wide edges of the cupel holes are positioned on the same plane; along fixed box (1) antetheca to back wall direction, trompil district I (7) long limit all is located corresponding trompil district II (8) long limit front side.

2. The apparatus of claim 1, wherein the cupel is added to the cupola at a time, and the cupel comprises: a plurality of fixing holes (10) are uniformly distributed on the pull rod (6).

3. The apparatus for adding cupels in cupola furnace as claimed in claim 1 or 2, wherein: the front end of the pull rod (6) is provided with an insulating handle (11).

4. The apparatus of claim 3, wherein the cupel is added to the cupola at a time, and the cupel comprises: the front wall of the fixed box (1) is provided with an insulating support frame (12).