CN218002149U

CN218002149U - Crucible special for muffle furnace

Info

Publication number: CN218002149U
Application number: CN202222028145.5U
Authority: CN
Inventors: 谈思维; 施燕鹏; 朱波; 邵吉; 单晓月
Original assignee: Hangzhou Occupational Disease Prevention And Control Hospital
Current assignee: Hangzhou Occupational Disease Prevention And Control Hospital
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-09
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a special crucible of muffle furnace, its technical scheme main points are: the crucible comprises a crucible body, wherein a square base is fixedly arranged on the bottom surface of the crucible body, and a crucible cover is arranged inside the crucible body; the protection component, the protection component sets up the inside of crucible body makes the crucible lid be in the inside of crucible body on the spacing ring through the crucible lid, thereby the crucible lid has been avoided to the wall and has come off from the crucible body, increase the weight of crucible lid through the balancing weight, thereby reduce the height that the crucible lid rose when receiving the impact, adsorb each other through first adsorption block and balancing weight, can cover the balancing weight from the crucible and pull down, can change the standing groove of different masses according to the intensity that the gas strikes the crucible lid in the crucible body, prevent that too tight of crucible lid pressure probably leads to the unable quick discharge of a large amount of atmospheric pressure to lead to the explosion, or the crucible lid quality is too light, lead to the lifting of crucible lid quilt impact and make the crucible lid fall highly lead to damaging.

Description

Crucible special for muffle furnace

Technical Field

The utility model relates to a crucible technical field, concretely relates to special crucible of muffle furnace.

Background

At present, when ash content is measured, a common crucible is burned to constant weight according to a standard, a sample is accurately weighed, then the sample is completely carbonized on an electric furnace, the electric furnace is placed into a muffle furnace for ashing at 550-600 ℃, and the ash content is calculated according to the ratio of the ash residue amount to the sample amount.

When a muffle furnace is used for carrying out high-temperature carbonization on a sample, the sample needs to be placed in a crucible, and the crucible is generally cylindrical and is easy to topple and damage; moreover, all marks are burnt out at high temperature, so that the sequence of the samples is disordered, and a large amount of generated heat can explode if the cover opening is sealed during carbonization, but if the cover is placed in a gap in an inclined mode, the cover is easy to drop and damage, and if the crucible is driven to topple over together, the samples can be overturned at the same time, so that the crucible special for the muffle furnace is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a crucible special for a muffle furnace, which solves the problems that the crucible is generally cylindrical and is easy to topple and damage, and all marks are burnt at high temperature, so that the order of samples is disordered; and if the cover opening is sealed during carbonization, a large amount of generated heat can explode, but if the cover is obliquely placed in the gap, the cover is easy to drop and damage, if the crucible is driven to topple over together, a sample can be overturned at the same time, and therefore the crucible special for the muffle furnace is needed.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a crucible for muffle furnace, comprising: the crucible comprises a crucible body, wherein a unique serial number is engraved on the outer circular wall surface of the crucible body, a square base is fixedly installed on the bottom surface of the crucible body, and a crucible cover is arranged inside the crucible body; the protective assembly is arranged in the crucible body and used for preventing the crucible cover from falling off from the crucible body due to the fact that the crucible cover is impacted by air pressure.

Through adopting above-mentioned technical scheme, through setting up protective assembly, can set up the crucible lid in the inside of crucible body through protective assembly, prevent that the expanded gas of the inside burning of crucible body from dashing the crucible lid from the crucible body, square base can increase the stability that area of contact increased the crucible body.

Preferably, the shield assembly comprises: a plurality of joint piece, a plurality of the equal fixed mounting of joint piece is in the interior round wall of crucible body, a plurality of joint groove has been seted up to the excircle wall of crucible lid, the joint piece with joint groove slip joint, the interior round wall fixed mounting of crucible body has the spacing ring, the bottom surface of crucible lid with the top surface of spacing ring is laminated mutually, the top surface of crucible lid is provided with two balancing weights, the top surface sculpture of balancing weight has the uniqueness serial number, two bleeder vents have been seted up to the top surface of crucible lid.

Through adopting above-mentioned technical scheme, through setting up the spacing ring, cover through the crucible and make the crucible lid be in the inside of crucible body on the spacing ring, thereby the crucible lid has been avoided to the wall and has come off from the crucible body, slide the joint through joint piece and joint groove, thereby it is spacing to four directions of crucible lid, the wall has been avoided the crucible lid to receive to strike and overturn, increase the weight of crucible lid through the balancing weight, thereby reduce the height that rises when the crucible lid receives to strike, the bleeder vent is used for breathing freely, uniqueness serial number adopts the sculpture mode to set up the top surface at the excircle wall of crucible body and crucible lid, high temperature destruction uniqueness serial number has been prevented.

Preferably, the crucible cover is provided with two connecting blocks on the top surface thereof, a placing groove is formed in the top surface of the connecting blocks, a first adsorption block is adsorbed in the placing groove, and the bottom surface of the counterweight block and the top surface of the first adsorption block are mutually adsorbed.

Through adopting above-mentioned technical scheme, through setting up first absorption piece, adsorb each other with the balancing weight through first absorption piece, can pull down the balancing weight from the crucible cover, thereby can change the standing groove of different quality according to the intensity that crucible body internal gas strikeed the crucible cover, prevent that too tight of crucible cover pressure can lead to the unable quick discharge of a large amount of atmospheric pressure to lead to the explosion, or the crucible cover quality is too light, lead to lifting of crucible cover quilt impact and make the high damage that leads to of crucible cover whereabouts height.

Preferably, two first fixed blocks are fixedly mounted on the bottom surfaces of the two connecting blocks, fixed columns are fixedly mounted on the bottom surfaces of the first fixed blocks, second fixed blocks are fixedly mounted on the bottom surfaces of the fixed columns, four fixed holes are formed in the top surface of the crucible cover, the fixed columns and the fixed holes are movably sleeved, and the top surfaces of the first fixed blocks and the bottom surfaces of the connecting blocks are fixedly mounted.

Through adopting above-mentioned technical scheme, through setting up the fixed column, establish in the inside of fixed orifices through fixed column activity cover to carry on spacingly to the top surface and the bottom surface of fixed column through first fixed block and second fixed block, make the connecting block fixed on the crucible cover, thereby make the balancing weight fix on the crucible cover.

Preferably, a pulling block is fixedly arranged on the top surface of the crucible cover.

By adopting the technical scheme, the pulling block is arranged, so that the crucible cover can be conveniently taken out from the crucible body by a worker through the pulling block.

Preferably, two air outlet columns are fixedly mounted on the top surface of the crucible cover, air outlet holes are formed in the outer circle wall surfaces of the air outlet columns, and the two air outlet holes are respectively communicated with the two air holes.

By adopting the technical scheme, the air outlet column is arranged, and the air outlet hole formed in the air outlet column does not correspond to the pulling block, so that hot air is prevented from rushing to the pulling block, and a worker with high temperature of the pulling block cannot take the crucible cover well.

To sum up, the utility model discloses mainly have following beneficial effect:

through setting up the spacing ring, cover through the crucible lid and make the crucible lid be in the inside of crucible body on the spacing ring, thereby the wall has been avoided the crucible lid to drop from the crucible body, slide the joint through joint piece and joint groove, thereby it is spacing to four directions to the crucible lid, the wall has been avoided the crucible lid to receive and assaults and the upset, increase the weight of crucible lid through the balancing weight, thereby reduce the height that the crucible lid rose when receiving the impact, the bleeder vent is used for breathing freely, the uniqueness serial number adopts the top surface that sculpture mode set up at the excircle wall of crucible body and crucible lid, high temperature destruction uniqueness serial number has been prevented, square base can increase area of contact increases the stability of crucible body.

Through setting up the fixed column, establish in the inside of fixed orifices through the fixed column activity cover to carry on spacingly through first fixed block and second fixed block to the top surface and the bottom surface of fixed column, make the connecting block fixed on the crucible cover, thereby make the balancing weight fix on the crucible cover.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic view of the counterweight of the present invention;

fig. 4 is a schematic view of the structure of the gas outlet column of the present invention.

Reference numerals: 1. a crucible body; 2. a square base; 3. a crucible cover; 4. a clamping block; 5. a clamping groove; 6. a limiting ring; 7. a balancing weight; 8. connecting blocks; 9. a placement groove; 10. a first adsorption block; 11. air holes are formed; 12. a first fixed block; 13. fixing a column; 14. a second fixed block; 15. a fixing hole; 16. pulling the block; 17. an air outlet column; 18. and an air outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, a crucible special for a muffle furnace comprises a crucible body 1, the crucible body 1 is an existing structure and is not described herein, the outer circular wall surface of the crucible body 1 is engraved with a unique serial number, a square base 2 is fixedly installed on the bottom surface of the crucible body 1, a crucible cover 3 is arranged inside the crucible body 1, a protective component is arranged inside the crucible body 1, the crucible cover is used for preventing the crucible cover 3 from falling off from the crucible body 1 due to air pressure impact, the protective component comprises a plurality of clamping blocks 4, the plurality of clamping blocks 4 are all fixedly arranged on the inner circular wall surface of the crucible body 1, a plurality of clamping grooves 5 are formed in the outer circular wall surface of the crucible cover 3, the clamping blocks 4 are in sliding clamping connection with the clamping grooves 5, a limiting ring 6 is fixedly arranged on the inner circular wall surface of the crucible body 1, the bottom surface of the crucible cover 3 is attached to the top surface of the limiting ring 6, two balancing weights 7 are arranged on the top surface of the crucible cover 3, the balancing weights 7 are of a rectangular metal structure, unique serial numbers are engraved on the top surface of the balancing weights 7, two air holes 11 are formed in the top surface of the crucible cover 3, by arranging the limit ring 6, the crucible cover 3 is positioned in the crucible body 1 by covering the crucible cover 3 on the limit ring 6, so that the crucible cover 3 is prevented from falling off from the crucible body 1 on the wall, and the clamping block 4 is in sliding clamping connection with the clamping groove 5, thereby limiting the four directions of the crucible cover 3, preventing the crucible cover 3 from being overturned due to impact, increasing the weight of the crucible cover 3 through the balancing weight 7, thereby reducing the height of the crucible cover 3 rising when being impacted, the air holes 11 are used for ventilation, and the unique serial number is arranged on the excircle wall surface of the crucible body 1 and the top surface of the crucible cover 3 in a carving mode, thereby preventing the unique serial number from being damaged by high temperature.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the top surface of the crucible cover 3 is provided with two connecting blocks 8, a placing groove 9 has been seted up on the top surface of the connecting block 8, the inside of the placing groove 9 adsorbs first adsorption block 10, first adsorption block 10 is a magnet rectangular structure, the bottom surface of the balancing weight 7 adsorbs each other with the top surface of first adsorption block 10, two first fixed blocks 12 are all fixedly installed on the bottom surface of two connecting blocks 8, a fixed column 13 is fixedly installed on the bottom surface of first fixed block 12, a second fixed block 14 is fixedly installed on the bottom surface of fixed column 13, four fixed holes 15 have been seted up on the top surface of the crucible cover 3, fixed column 13 and fixed hole 15 are movably sleeved, the top surface of first fixed block 12 and the bottom surface of connecting block 8 are fixedly installed, the top surface of crucible cover 3 is fixedly installed with a pull block 16, two air outlet columns 17 are fixedly installed on the top surface of crucible cover 3, air outlet column 17 is hollow structure and the bottom surface is open, air outlet 18 has been seted up on the excircle wall surface of air outlet column 17, two air outlet holes 18 are respectively communicated with two air vents 11, through setting fixed column 13, and fix the top surface of fixed block 13 on the crucible cover fixed block 13, thereby make the crucible cover 3 and fix the top surface of second fixed block 7 and fix the balancing weight on the fixed block 13.

The working principle is as follows: referring to fig. 1-4, in use, the crucible cover 3 is taken out from the crucible body 1 by arranging the pull block 16, the pull block 16 is pulled by arranging the pull block 16, then a sample is placed in the crucible body 1, the balance weight 7 is placed in the placing groove 9, the first adsorption block 10 and the balance weight 7 are adsorbed with each other, the clamping block 4 and the clamping groove 5 are clamped in a sliding manner, then the crucible cover 3 is placed in the crucible body 1 until the bottom surface of the crucible cover 3 is attached to the top surface of the spacing ring 6, carbonization is started, and hot air flows are exhausted from the air vents 11 through the air outlet columns 17 and finally from the air outlet holes 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A special crucible for a muffle furnace is characterized by comprising:

the crucible comprises a crucible body (1), wherein a unique serial number is carved on the outer circle wall surface of the crucible body (1), a square base (2) is fixedly installed on the bottom surface of the crucible body (1), and a crucible cover (3) is arranged inside the crucible body (1);

the protective assembly is arranged in the crucible body (1) and used for preventing the crucible cover (3) from falling off from the crucible body (1) due to the fact that the crucible cover (3) is impacted by air pressure.

2. The muffle dedicated crucible according to claim 1, wherein the shield assembly comprises:

a plurality of joint piece (4), a plurality of joint piece (4) equal fixed mounting be in the interior circle wall of crucible body (1), a plurality of joint groove (5) have been seted up to the excircle wall of crucible lid (3), joint piece (4) with joint groove (5) slip joint, the interior circle wall fixed mounting of crucible body (1) has spacing ring (6), the bottom surface of crucible lid (3) with the top surface of spacing ring (6) is laminated mutually, the top surface of crucible lid (3) is provided with two balancing weights (7), the top surface sculpture of balancing weight (7) has the uniqueness serial number, two bleeder vents (11) have been seted up to the top surface of crucible lid (3).

3. The crucible special for the muffle furnace according to claim 2, wherein the top surface of the crucible cover (3) is provided with two connecting blocks (8), the top surface of each connecting block (8) is provided with a placing groove (9), a first adsorption block (10) is adsorbed inside each placing groove (9), and the bottom surface of the balancing weight (7) and the top surface of the first adsorption block (10) are mutually adsorbed.

4. The crucible special for the muffle furnace according to claim 3, wherein two first fixing blocks (12) are fixedly mounted on the bottom surfaces of the two connecting blocks (8), a fixing column (13) is fixedly mounted on the bottom surface of each first fixing block (12), a second fixing block (14) is fixedly mounted on the bottom surface of each fixing column (13), four fixing holes (15) are formed in the top surface of the crucible cover (3), the fixing columns (13) are movably sleeved with the fixing holes (15), and the top surfaces of the first fixing blocks (12) are fixedly mounted on the bottom surfaces of the connecting blocks (8).

5. Crucible as claimed in claim 1, characterized in that the top surface of the cover (3) is fixed with a pulling block (16).

6. The crucible special for the muffle furnace according to claim 2, wherein two air outlet columns (17) are fixedly mounted on the top surface of the crucible cover (3), air outlet holes (18) are formed in the outer circle wall surface of each air outlet column (17), and the two air outlet holes (18) are respectively communicated with the two air holes (11).