CN215002883U - Muffle furnace crucible support - Google Patents

Abstract

The utility model provides a muffle furnace crucible support, including base and movable mounting's support body on the base, seted up the support storehouse on the support body, the base includes bottom plate and four supporting legss of setting on the bottom plate, and spacing portion, four corner clearance fit of spacing portion and support body have been seted up to supporting legs upper end inboard. The utility model discloses to offer the support body movable mounting who supports the storehouse on the base, through changing the support body who offers different diameter support storehouse, realize the support to the crucible of different diameter size, improved the utility model discloses the commonality of crucible support; the utility model discloses a set up placing that a plurality of support storehouses supplied a plurality of crucibles on the support body, make a plurality of test sample get into the muffle furnace simultaneously, shortened test cycle, improved work efficiency.

Description

Muffle furnace crucible support

Technical Field

The utility model belongs to muffle furnace firing equipment field, concretely relates to muffle furnace crucible support.

Background

When the content of noble metals in a catalytic converter of a motorcycle is detected by adopting a method in standard QC/T1003-2015, filtering the acid-dissolved solution, putting filter residues into a high-alumina crucible, drying the filter residues in a drying box at 150 ℃ for 4h, then putting the filter residues into a muffle furnace for carbonization for 30min, heating the filter residues to 700 ℃ for ashing for 1h, cooling the filter residues to room temperature, adding sodium peroxide with the mass 4 times that of the filter residues into the filter residues, uniformly stirring the mixture, covering the surface of the filter residues with sodium peroxide, putting the filter residues into the muffle furnace again, heating the filter residues to 770 ℃ for heat preservation for 30min, and taking out the high-alumina crucible after slight cooling. In the processes of drying, carbonizing and ashing a sample and adding sodium peroxide for alkali fusion, a drying box and a muffle furnace are required to be used for multiple times, when crucibles filled with the sample are placed into the muffle furnace or the drying box, the crucibles are required to be placed one by one, the distance between the crucibles is observed visually, the situations that the crucibles are knocked down and the sample leaks outside can occur in the placing process, so that the test failure can be caused, and the test period is increased; meanwhile, in the carbonization and ashing process, the crucible cover is covered, so that the sample cannot be fully contacted with oxygen in the calcining process, the accuracy of the experimental result is influenced, and the sample is polluted due to the fact that the crucible cover is not covered.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the defects of the prior art are overcome, and the crucible support of the muffle furnace is provided, wherein the crucible support is characterized in that a support body provided with a supporting bin is movably arranged on a base, and crucibles with different diameters are supported by replacing the support body provided with the supporting bins with different diameters, so that the universality of the crucible support of the utility model is improved; this crucible support supplies placing of a plurality of crucibles through seting up a plurality of support storehouses on the support body, makes a plurality of test sample get into the muffle furnace simultaneously, has shortened test cycle, has improved work efficiency.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a muffle furnace crucible support, its characterized in that includes base and movable mounting's support body on the base, the support storehouse has been seted up on the support body, the base includes bottom plate and four supporting legss of setting on the bottom plate, spacing portion has been seted up to supporting legs upper end inboard, spacing portion with four corner clearance fit of support body.

The muffle furnace crucible support is characterized in that a first supporting rod and a second supporting rod which are arranged in parallel are arranged between the supporting legs, a first handle is arranged on the first supporting rod, and a second handle is arranged on the second supporting rod.

The muffle furnace crucible support is characterized in that a concave part is arranged on the bottom plate.

The muffle furnace crucible support is characterized in that six supporting bins are uniformly distributed on the support body.

The muffle furnace crucible support is characterized in that the height of the limiting part is larger than the thickness of the support body.

The muffle furnace crucible support is characterized in that the base and the support body are made of ceramic materials.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses to set up the support body movable mounting that the crucible supported the storehouse on the base, set up the support body that different diameters supported the storehouse through changing, realize having improved the support of different diameter size crucibles the utility model discloses crucible support's commonality.

2. The utility model discloses a support storehouse and crucible lateral wall contact and support the crucible, little with the contact surface of crucible, make the crucible thermally equivalent in the muffle furnace, and then guarantee sample thermally equivalent, abundant reaction improves the accuracy of test result.

3. The utility model discloses in installing the spacing portion on the base with the support body, through four corners and the spacing clearance fit that sets up the support body, improve the stability of support body on the base to set up the depressed part on the bottom plate, carry on spacingly to the crucible bottom, improve the stability of crucible in the use, prevent effectively that the crucible from empting, improve experimental success rate, simultaneously, this crucible support steadiness is high, is applicable to the experiment that the crucible uncapped.

4. The utility model discloses a set up a plurality of support storehouses on the support body, make the calcination test of a plurality of samples go on simultaneously, shortened test cycle, improved work efficiency.

5. The utility model discloses a ceramic material has improved high temperature resistant, acidproof and alkali resistance of this crucible support as the preparation material of crucible support, and then has improved the life of this crucible support under strong acid and alkali environment.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of a crucible support of a muffle furnace of the present invention.

FIG. 2 is a schematic view of the structure of the base of the crucible support of the muffle furnace of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

FIG. 4 is a schematic view of the support body structure of the muffle crucible support of the present invention.

Description of reference numerals:

1-a base; 2-the stent body; 3, supporting a bin;

4-a bottom plate; 5, supporting the feet; 6-a limiting part;

7-1 — a first support bar; 7-2 — a second support bar; 8-1 — a first grip;

8-2-second grip; 9-recess.

Detailed Description

Example 1

As shown in fig. 1 to 4, the muffle crucible support of the embodiment includes a base 1 and a support body 2 movably mounted on the base 1, a support bin 3 is disposed on the support body 2, the base 1 includes a bottom plate 4 and four support legs 5 disposed on the bottom plate 4, a limiting portion 6 is disposed on the inner side of the upper end of each support leg 5, and the limiting portion 6 is in clearance fit with four corners of the support body 2.

In the embodiment, the arranged base 1 supports the support body 2, the support bin 3 arranged on the support body 2 is used for supporting the crucible, the support bin 3 is in contact with the side wall of the crucible to support the crucible, the contact surface of the support bin 3 and the crucible is small, so that the crucible is uniformly heated in the muffle furnace, a sample is uniformly heated, the calcination reaction is fully performed, and the accuracy of a test result is improved; the support legs 5 are arranged, so that the support body 2 is stably supported by the base 1, the bottom plate 4 is arranged for placing the bottom of the crucible, the stability of the crucible in the using process is improved, the test failure caused by sample dumping in the crucible is prevented, meanwhile, after the sample dumping problem occurs, the corrosion of a strong acid and strong alkali type sample to the bottom of a box body of the muffle furnace is prevented by the arrangement of the bottom plate 4, and the service life of the muffle furnace is prolonged; the upper ends of the inner sides of the supporting legs 5 are provided with the limiting parts 6, and the limiting parts 6 are arranged to be in clearance fit with four corners of the bracket body 2, namely the four corners of the bracket body 2 are clamped in the four limiting parts 6 and are in clearance fit with the four limiting parts 6, so that the bracket body 2 is ensured to be stable and not to fall off, and the stability of the bracket body 2 on the base 1 is improved; the utility model discloses a 2 movable mounting of support body on base 1 specifically install in spacing portion 6 of 5 upper ends of supporting legs, during the in-service use, can change the support body 2 of seting up different diameters support storehouse 3 according to the actual diameter size of crucible, realize the support to different diameter size crucibles, improve the utility model discloses a commonality.

As shown in fig. 1 and 2, in this embodiment, optionally, a first support rod 7-1 and a second support rod 7-2 are installed between the support legs 5 and arranged in parallel, a first grip 8-1 is disposed on the first support rod 7-1, and a second grip 8-2 is disposed on the second support rod 7-2. The first supporting rod 7-1 and the second supporting rod 7-2 which are arranged in parallel play a role in reinforcing the supporting feet 5, so that the stability of the base 1 is further improved; the first handle 8-1 is arranged on the first supporting rod 7-1, the second handle 8-2 is arranged on the second supporting rod 7-2, so that an experimenter can hold the handles to realize the integral movement of the crucible support, and meanwhile, the two handles are arranged, so that the crucible support does not need to be adjusted in the direction in the process of putting in or taking out the muffle furnace, the handles are used by the experimenter, the failure of the experiment caused by the dumping of samples in the crucible in the adjusting process is effectively prevented, and the success rate of the experiment is improved.

As shown in fig. 1 and 2, in the present embodiment, a concave portion 9 is optionally provided on the bottom plate 4. Through set up depressed part 9 on bottom plate 4, realize the location and the injecing to the crucible bottom, effectual preventing that the crucible from empting leads to empting of test sample, improves experimental success rate.

As shown in fig. 4, in this embodiment, optionally, six support bins 3 are uniformly distributed on the support body 2. Through setting up six support storehouses 3, realize six sample test going on simultaneously, shorten test cycle, improve work efficiency. In this embodiment, more preferably, the number of the supporting bins 3 is further increased according to the space of the muffle box body and the size of the crucible, so as to satisfy the synchronous implementation of the calcination tests of a plurality of samples, further shorten the test period, and improve the working efficiency.

As shown in fig. 1 to 4, in this embodiment, optionally, the height of the limiting portion 6 is greater than the thickness of the bracket body 2. Through the thickness that highly is greater than support body 2 that sets up spacing portion 6, further improve support body 2 stability on base 1, prevent that support body 2 from transferring the phenomenon that the in-process or drop from base 1 under the condition that receives vibrations from appearing, and then prevent to cause empting of sample in crucible and the crucible, be favorable to improving experimental success rate.

As shown in fig. 1 to 4, in the present embodiment, optionally, the base 1 and the bracket body 2 are made of a ceramic material. The crucible support is made of ceramic materials, so that the high-temperature resistance, acid resistance and alkali resistance of the crucible support are improved, and the service life of the crucible support in a strong acid and strong alkali environment is prolonged.

The utility model discloses muffle furnace crucible support's use work flow as follows: placing a sample to be calcined into a crucible, taking a support body 2 matched with the diameter of the crucible, installing the support body 2 into a limiting part 6 on a base 1, sequentially placing the crucible filled with the sample into a supporting bin 3 on the support body 2, placing the bottom of the crucible on a bottom plate 4, respectively holding a first handle 8-1 and a second handle 8-2 by two hands of an experimenter, moving the crucible support filled with the crucible to the side of a muffle furnace, placing the side with the first handle 8-1 or the second handle 8-2 outwards in the muffle furnace, starting the muffle furnace for calcination, taking out the crucible support from the muffle furnace through the first handle 8-1 or the second handle 8-2 after the calcination is finished, carrying out the next test according to the method, and replacing the support body 2 matched with the diameter of the crucible when the diameter of the crucible is not matched with the diameter of the supporting bin 3 on the support body 2, the above-described operation was performed again in the stopper portion 6 attached to the base 1, and the calcination test of the sample in the muffle furnace was completed.

In the in-service use, the utility model discloses a crucible support can arrange the use in the drying cabinet in, and the crucible support stability that base 1 and support body 2 are constituteed is high, and the crucible can be taken off the lid and place in the drying cabinet for drying rate.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims (6)

1. The utility model provides a muffle furnace crucible support, its characterized in that includes base (1) and movable mounting support body (2) on base (1), support storehouse (3) have been seted up on support body (2), base (1) includes bottom plate (4) and sets up four supporting legs (5) on bottom plate (4), spacing portion (6) have been seted up to supporting legs (5) upper end inboard, spacing portion (6) with four corner clearance fit of support body (2).

2. A muffle crucible support according to claim 1, characterized in that a first support rod (7-1) and a second support rod (7-2) are installed in parallel between the support legs (5), the first support rod (7-1) is provided with a first handle (8-1), and the second support rod (7-2) is provided with a second handle (8-2).

3. A muffle crucible support according to claim 1, characterized in that the bottom plate (4) is provided with a recess (9).

4. A muffle crucible support according to claim 1, characterized in that six support bins (3) are evenly distributed on the support body (2).

5. A muffle crucible support according to claim 1, characterized in that the height of the limit stop (6) is larger than the thickness of the support body (2).

6. Muffle crucible support according to claim 1, characterized in that the base (1) and the support body (2) are made of ceramic material.

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