CN109289961A - It is suitable for the heated holder of platinum crucible in a kind of chemical experiment - Google Patents

It is suitable for the heated holder of platinum crucible in a kind of chemical experiment Download PDF

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Publication number
CN109289961A
CN109289961A CN201811256339.2A CN201811256339A CN109289961A CN 109289961 A CN109289961 A CN 109289961A CN 201811256339 A CN201811256339 A CN 201811256339A CN 109289961 A CN109289961 A CN 109289961A
Authority
CN
China
Prior art keywords
pedestal
platinum crucible
incubator
chemical experiment
supporting table
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811256339.2A
Other languages
Chinese (zh)
Inventor
杜鹏
刘蓉
刘沂
向林贤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongjiang Qingyuxiang Central Primary School
Original Assignee
Tongjiang Qingyuxiang Central Primary School
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tongjiang Qingyuxiang Central Primary School filed Critical Tongjiang Qingyuxiang Central Primary School
Priority to CN201811256339.2A priority Critical patent/CN109289961A/en
Publication of CN109289961A publication Critical patent/CN109289961A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00Supporting devices; Holding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00Heating or cooling apparatus; Heat insulating devices

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Use In Laboratory Experiments (AREA)

Abstract

The invention discloses the heated holders for being suitable for platinum crucible in a kind of chemical experiment, including pedestal, cradling piece is provided on pedestal, connecting rod is provided in the middle part of cradling piece, connecting rod is vertically arranged with cradling piece, the supporting table made of clay is provided on the connecting rod other end, incubator is fixedly installed above supporting table, dismountable glass cover is provided at the top of incubator, heat collector panel is provided with below supporting table, sliding stand is provided on pedestal, strip groove is provided in sliding stand, chain is provided in strip groove, chain side connects left and right motor, a pedestal is fixedly installed above chain.The inventive structure is simple, the heating of platinum crucible suitable for chemical use.

Description

It is suitable for the heated holder of platinum crucible in a kind of chemical experiment
Technical field
The present invention relates to teaching equipment fields, and in particular to is suitable for the heated holder of platinum crucible in a kind of chemical experiment.
Background technique
Crucible is the important component of chemical apparatuses, it is fusing and refined metals liquid and solid-liquid heating, reaction Container, be to guarantee the basis that goes on smoothly of chemical reaction.The model specification of crucible is more, application when not by production scale, The limitation of batch size and melting substance kind, can arbitrarily select, with strong applicability, and can guarantee the purity for being smelted substance. Platinum crucible is used sometimes in chemical experiment, since the use condition of platinum crucible is harsher, currently without special platinum Crucible heated holder, while being done experiment using crucible, since condition limits, without high temperature heat source, crucible heating is slow and heated Unevenly, it needs to improve heating effect using heat insulation effect, while solving the problems, such as that uneven heating is even.
Summary of the invention
The present invention solves the problems, such as of the existing technology, provides the heating for being suitable for platinum crucible in a kind of chemical experiment Bracket.
The present invention is achieved through the following technical solutions: it is suitable for the heated holder of platinum crucible in a kind of chemical experiment, including Pedestal, is provided with cradling piece on the pedestal, in the middle part of the cradling piece on be provided with connecting rod, the connecting rod and the bracket Bar is vertically arranged, and is provided with the supporting table made of clay on the connecting rod other end, suitable using supporting table made of clay For platinum crucible, metal platinum cannot cannot also contact blue with the reduction flame contact with cigarette or jaundice during heating Flame, in order to avoid forming platinum carbide and becoming fragile, supporting table plays the role of completely cutting off alcolhol burner flame and platinum crucible, protects platinum earthenware Crucible will not be damaged, and incubator is fixedly installed above the supporting table, and incubator can be during heating to crucible Kept the temperature, avoid the loss of heat, while it is also ensured that chemical experiment temperature condition, it is ensured that chemical experiment result Accuracy, be provided with dismountable glass cover at the top of the incubator, platinum crucible can be put by opening glass cover, or added Reaction raw materials are added in thermal process, are provided with heat collector panel below the supporting table, heat collector panel can gather the heat of alcolhol burner It prevents from scattering and disappearing, sliding stand is provided on the pedestal, strip groove, setting in the strip groove are provided in the sliding stand There is chain, the chain side connects left and right motor, is fixedly installed a pedestal above the chain, wine is placed on pedestal Smart lamp, chain move left and right under the drive of left and right motor, and chain drives pedestal to move left and right again, and such alcolhol burner also move by left and right It is dynamic, so that platinum crucible heating is more uniform.
Preferably, circular adobe layer is provided among the supporting table, porous in porous clay layer plays Thermally conductive effect, so that heat transfer is quick.
Preferably, the incubator is the incubator of hollow cylindrical, and the side wall of the incubator successively wraps from outside to inside Vacuum heat-insulating plate, air layer and ceramic layer are included, the combination of vacuum heat-insulating plate, air layer and ceramic layer increases the heat preservation of incubator The incubator of ability, the crucible holder setting of traditional chemical experiment is all using one layer of thermal insulation board, and effect is bad, utilizes three layers Combined mode can significantly improve heat insulation effect, be evenly equipped with ceramic system positive stop strip on the ceramic layer inner wall, work as platinum crucible in this way It can be blocked when being put into, when stirring is not easy to shake.
Preferably, it is provided with circular hole on the glass cover, a demountable dome is provided on the circular hole, opens Dome can be put into stirring rod, not have to open glass cover, avoid scattering and disappearing for heat.
Preferably, the pedestal is in contact with the polytetrafluoroethylene ethylene layer that the strip groove wall is arranged, polytetrafluoroethylene ethylene layer It is good antifriction material, avoids situations such as blocking in the moving process of pedestal, and the top surface of pedestal is provided with circle The shape of groove, circular groove is consistent with alcolhol burner bottom shape, after such alcolhol burner is put into circular groove, does not occur at shifting Dynamic process alcolhol burner is toppled over, in order to avoid cause accident.
Compared with prior art, the present invention having the following advantages and benefits: (1) heated holder provided by the invention It can be suitable for platinum crucible, be contacted in heating process with platinum crucible using clay or ceramics, avoid platinum crucible and be damaged;
(2) being uniformly heated the invention enables platinum crucible;
(3) present invention can be avoided the loss of heat in reaction process.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of glass cover of the invention;
Fig. 3 is the structural schematic diagram of sliding stand of the invention.
Label and corresponding parts title in attached drawing: 1- pedestal, 2- cradling piece, 3- connecting rod, 4- supporting table, 5- heat preservation Case, 6- glass cover, 7- heat collector panel, 8- sliding stand, 9- strip groove, 10- chain, 11- or so motor, 12- pedestal, 13- are porous Argillic horizon, 14- vacuum heat-insulating plate, 15- air layer, 16- ceramic layer, 17- ceramic system positive stop strip, 18- circular hole, 19- dome, 20- Polytetrafluoroethylene ethylene layer, 21- circular groove.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made For limitation of the invention.
Embodiment
As shown in Figure 1, being suitable for the heated holder of platinum crucible, including pedestal 1 in a kind of chemical experiment, on the pedestal 1 It is provided with cradling piece 2, is provided with connecting rod 3 on 2 middle part of cradling piece, the connecting rod 3 is vertical with the cradling piece 2 to be set It sets, is provided with supporting table 4 made of clay on 3 other end of connecting rod, be suitable for platinum using supporting table 4 made of clay Crucible, metal platinum cannot cannot also contact blue flame with the reduction flame contact with cigarette or jaundice during heating, with Exempt to form platinum carbide and become fragile, supporting table 4 plays the role of completely cutting off alcolhol burner flame and platinum crucible, protects platinum crucible will not It is damaged, the top of the supporting table 4 is fixedly installed incubator 5, and incubator 5 can during heating carry out crucible Heat preservation, avoids the loss of heat, while it is also ensured that chemical experiment temperature condition, it is ensured that the standard of chemical experiment result True property is provided with dismountable glass cover 6 at the top of the incubator 5, and platinum crucible can be put by opening glass cover 6, or added Reaction raw materials are added in thermal process, heat collector panel 7 is provided with below the supporting table 4, heat collector panel 7 can gather the heat of alcolhol burner Holding together prevents from scattering and disappearing, and sliding stand is provided on the pedestal 1, and strip groove 9, the strip groove 9 are provided in the sliding stand 8 It is inside provided with chain 10,10 side of chain connects left and right motor 11, is fixedly installed a pedestal 12 above the chain 10, Alcolhol burner is placed on pedestal 12, chain 10 moves left and right under the drive of left and right motor 11, and chain 10 drives pedestal 11 again It moves left and right, such alcolhol burner also moves left and right, so that platinum crucible heating is more uniform.
Preferably, circular adobe layer 13 is provided among the supporting table 4, it is porous in porous clay layer 13 Thermally conductive effect is played, so that heat transfer is quick.
Preferably, the incubator 5 is the incubator of hollow cylindrical, and the side wall of the incubator 5 is from outside to inside successively Including vacuum heat-insulating plate 14, air layer 15 and ceramic layer 16, the combination of vacuum heat-insulating plate 14, air layer 15 and ceramic layer 16 is increased The insulating power of incubator 5, the incubator of the crucible holder setting of traditional chemical experiment are all to utilize one layer of thermal insulation board, effect Fruit is bad, by three layers combine in the way of can significantly improve heat insulation effect, be evenly equipped on 16 inner wall of ceramic layer ceramic system limit Position item 17, can block when platinum crucible is put into this way, and when stirring is not easy to shake.
Preferably, it is provided with circular hole 18 on the glass cover 6, a demountable dome is provided on the circular hole 18 19, stirring rod can be put by opening dome 19, not have to open glass cover 6, avoid scattering and disappearing for heat.
Preferably, the pedestal 12 is in contact with the polytetrafluoroethylene ethylene layer 20 of the recessed 9 cell wall setting of the strip, polytetrafluoroethyl-ne Alkene layer 20 is good antifriction material, avoids situations such as pedestal 12 blocks in moving process, and the top surface of pedestal 12 21 circular grooves are provided with, the shape of circular groove 21 is consistent with alcolhol burner bottom shape, and such alcolhol burner is put into circular groove After 21, does not occur at moving process alcolhol burner and topple over, in order to avoid cause accident.
In the present invention, when needing to be tested using platinum crucible, first the height of supporting table 4 is set, then will Glass cover 6 is opened, platinum crucible is put into incubator 5, opens alcolhol burner, and open left and right motor 11, such alcolhol burner can be left It moves right, platinum crucible is heated, so that platinum crucible is heated evenly, and is opened simultaneously dome 19, is protruded into stirring rod, can be with Reactant in crucible is stirred during heating.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects It is described in detail, it should be understood that the foregoing is merely a specific embodiment of the invention,
It is not intended to limit the scope of protection of the present invention, all within the spirits and principles of the present invention, that is done any repairs Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (5)

1. being suitable for the heated holder of platinum crucible in a kind of chemical experiment, which is characterized in that including pedestal (1), the pedestal (1) On be provided with cradling piece (2), in the middle part of the cradling piece (2) on be provided with connecting rod (3), the connecting rod (3) and the bracket Bar (2) is vertically arranged, and is provided with the supporting table made of clay (4) on connecting rod (3) other end, the supporting table (4) Top be fixedly installed incubator (5), be provided with dismountable glass cover (6), the supporting table at the top of the incubator (5) (4) lower section is provided with heat collector panel (7), is provided with sliding stand (8) on the pedestal (1), is provided with strip in the sliding stand (8) Groove (9), the strip groove (9) is interior to be provided with chain (10), and chain (10) side connects left and right motor (11), described A pedestal (12) are fixedly installed above chain (10).
2. being suitable for the heated holder of platinum crucible in a kind of chemical experiment according to claim 1, which is characterized in that described Circular adobe layer (13) is provided among supporting table (4).
3. being suitable for the heated holder of platinum crucible in a kind of chemical experiment according to claim 1, which is characterized in that described Incubator (5) be hollow cylindrical incubator, the side wall of the incubator from outside to inside successively include vacuum heat-insulating plate (14), Air layer (15) and ceramic layer (16) are evenly equipped with ceramic system positive stop strip (17) on ceramic layer (16) inner wall.
4. being suitable for the heated holder of platinum crucible in a kind of chemical experiment according to claim 1, which is characterized in that described It is provided on glass cover (6) circular hole (18), a demountable dome (19) is provided on the circular hole (18).
5. being suitable for the heated holder of platinum crucible in a kind of chemical experiment according to claim 1, which is characterized in that described Pedestal (12) is in contact with the polytetrafluoroethylene ethylene layer (20) that the strip groove (9) wall is arranged, and the top surface setting of pedestal (12) There are circular groove (21).
CN201811256339.2A 2018-10-26 2018-10-26 It is suitable for the heated holder of platinum crucible in a kind of chemical experiment Pending CN109289961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811256339.2A CN109289961A (en) 2018-10-26 2018-10-26 It is suitable for the heated holder of platinum crucible in a kind of chemical experiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811256339.2A CN109289961A (en) 2018-10-26 2018-10-26 It is suitable for the heated holder of platinum crucible in a kind of chemical experiment

Publications (1)

Publication Number Publication Date
CN109289961A true CN109289961A (en) 2019-02-01

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130101950A1 (en) * 2011-10-24 2013-04-25 Kang-Ming Huang Multi-purpose heat-collecting kiln device
CN202933079U (en) * 2012-12-06 2013-05-15 吐尔迪·巴斯提 Clay thermal therapy device
CN205327831U (en) * 2016-02-05 2016-06-22 许昌学院 Heat insulating packaging box
CN105935612A (en) * 2016-06-27 2016-09-14 江阴市正中科教器材有限公司 Crucible heating support for teaching experiments in classroom
CN206731167U (en) * 2017-05-08 2017-12-12 宁波大学 A kind of chemical laboratory iron stand of convenient regulation
CN108333031A (en) * 2018-01-24 2018-07-27 曾祥胜 A kind of asphalt thawing test device
CN207737972U (en) * 2017-12-20 2018-08-17 吴江冠亚丝绸化纤有限公司 Textile manufacturing transport device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130101950A1 (en) * 2011-10-24 2013-04-25 Kang-Ming Huang Multi-purpose heat-collecting kiln device
CN202933079U (en) * 2012-12-06 2013-05-15 吐尔迪·巴斯提 Clay thermal therapy device
CN205327831U (en) * 2016-02-05 2016-06-22 许昌学院 Heat insulating packaging box
CN105935612A (en) * 2016-06-27 2016-09-14 江阴市正中科教器材有限公司 Crucible heating support for teaching experiments in classroom
CN206731167U (en) * 2017-05-08 2017-12-12 宁波大学 A kind of chemical laboratory iron stand of convenient regulation
CN207737972U (en) * 2017-12-20 2018-08-17 吴江冠亚丝绸化纤有限公司 Textile manufacturing transport device
CN108333031A (en) * 2018-01-24 2018-07-27 曾祥胜 A kind of asphalt thawing test device

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Application publication date: 20190201