CN210079571U - Laboratory container heating device - Google Patents

Abstract

The utility model relates to a heating device for laboratory containers, which consists of an adapter, a flange bracket and a heater, and is characterized in that the adapter is a cylinder made of heat conducting materials, a container cavity is arranged in the adapter, and the bottom of the adapter is provided with a heated surface; the heater is a disc-shaped body, a circular heating disc is arranged at the upper part of the heater, and the diameter of the heating disc is consistent with that of the heating surface of the adapter; the flange support comprises a flange pipe, a flange plate and a base in sequence from top to bottom, wherein the flange pipe is a hollow cylinder, the inner diameter of the flange pipe is consistent with the outer diameter of the adapter, the flange plate is a circular ring-shaped body, the adapter is arranged in the flange pipe, the heater is arranged on the base, the base and the flange plate are fixed through long rod screws, and the heating surface at the bottom of the adapter is attached to the heating disk surface of the heater. The utility model discloses an adapter and flange leg joint design provide a compact structure, convenient operation, be heated evenly, heating efficiency is high, are suitable for the heating device of different shapes containers.

Description

Laboratory container heating device

Technical Field

The utility model relates to a heating device, concretely relates to laboratory vessel heating device belongs to analytical instrument technical field.

Background

The laboratory needs to carry out even heating and decide warm accuse temperature to the container and handles, and current heating device is like the electric stove, directly coils the heating through the heater, though rate of heating is fast to controllable temperature in certain extent. However, when the heating wire is used for heating, the heating precision is difficult to control, the temperature difference is often more than 10 degrees, and the heating is not uniform. The pressure intensity in the heating device is increased rapidly due to easy overheating, if the temperature can not be reduced in time, the liquid in the container can escape, the escaped liquid flows downwards to be contacted with the high-temperature heating wire, and the fire disaster or even the explosion can occur easily. In addition, when the heating wire heats to a set temperature, the temperature control switch is immediately powered off and stops working, the heat insulation material laid on the heating wire is not thick, the temperature is lost quickly, the temperature is lost to a lower temperature limit, the temperature control switch is powered on to work, the heating wire heats and transfers the temperature to a heated container through the heat insulation material with good heat insulation, the temperature fluctuation range is large in the process, and the experiment quality is difficult to guarantee.

Other heating instruments commonly used in laboratories, such as water baths, electric jackets, alcohol lamps, etc., also have certain problems. Wherein, the water bath is inconvenient to change water, the thicker the scale and impurities are, the more the heating and heat preservation of the constant temperature water bath are affected, the energy consumption is large, the trouble of cleaning the scale is caused, and the like; the electric heating jacket is commonly used for directly heating vessels such as various spherical flasks, but liquid in the vessels is easy to overflow during heating, and when the overflowing liquid flows onto the heating jacket, the electric heating coil can be corroded to cause the electric heating coil to break or generate faults such as electric leakage short circuit. Simultaneously at heating round flask, triangular flask, test tube etc. heating jacket heating volume can't change, has certain limitation when heating the round flask of different specifications, heats the endotheca and can not the complete contact with round flask to unstable and be heated inhomogeneous when leading to round flask to heat, the unable survey of temperature during the heating is not convenient for master the temperature of heating at any time. The alcohol stove has the advantages of convenient use, high heating speed and the like, but the safety performance is poor, the inflammability of alcohol is easy to scald people and even cause fire, and the glass alcohol stove is easy to break and is not suitable for being independently operated and used by students. Therefore, there is a need for improvements in the prior art to avoid the disadvantages of the prior art.

CN 107995878A discloses laboratory vessel heating device, locate including first casing and cover second casing in the first casing, the inside wall of first casing with the space constitutes first chamber that holds between the lateral wall of second casing, the second has in the second casing and holds the chamber, the upper end of second casing has the recess that is used for holding the laboratory vessel, the second holds the intracavity and is filled there is the conduction oil, the second hold the intracavity be equipped with respectively with heating mechanism and the heat dissipation mechanism of conduction oil contact, heating mechanism includes the stick that generates heat and control the controller of stick work that generates heat. The heating device can prevent the container from being overheated and exploding, so that the heating is more uniform, the use safety is improved, and the service life is prolonged.

CN 204276015U discloses a heating jacket for a laboratory, which comprises a heater, wherein a groove is formed in the surface of the heater, a heating layer is arranged in the groove, a temperature sensor, a controller and a relay are arranged in the heater, and a temperature display screen and a temperature setting interface are arranged on the heater; the temperature sensor is arranged below the groove, the controller is electrically connected with the temperature sensor, the temperature display screen, the temperature setting interface and the relay, and the relay is electrically connected with the heating layer and the external power supply. The utility model discloses can control heating temperature more accurately, can adapt to not unidimensional flask, solve heating temperature immaterial effectively, flask support adaptability hangs down the scheduling problem, simple structure, practicality.

CN108339583A discloses a laboratory heating instrument, including being equipped with bleeder vent and knob on the shell, be equipped with the pointer on the knob, the inside bottom surface of shell is equipped with the heating block, the upper end is equipped with the waist-shaped piece, be equipped with the heating wire on the waist-shaped piece, waist-shaped piece upper end is equipped with the household utensils, be equipped with the heated block in the household utensils, this application not only can reach the even effect of being heated in the implementation in-process, can also prevent that the subject from directly contacting with heat energy, makes it heated temperature too high, further regulation subject's the temperature of being heated through the knob, the effectual success rate that improves the experiment.

As mentioned above, the prior art discloses a variety of laboratory heating devices that, by virtue of their unique structure, offer a variety of specific or general advantages. On the other hand, although these advantages are achieved in the prior art, practical application requirements can present challenges to the heater. Firstly, the volume is large, the structure is complex, the manufacturing cost of the heating device is increased, and the heating device cannot be popularized and used in a laboratory; secondly, the existing structural design usually enables heat energy to be in direct contact with an experimental object, so that the temperature of the experimental object is too high, the temperature is not easy to control, and the heating process is not uniform; thirdly, the heat insulation and preservation device cannot be universally used for various heating containers in a laboratory, and the heat insulation and preservation effect and the safety performance need to be improved.

SUMMERY OF THE UTILITY MODEL

To the main problem that prior art exists, the utility model discloses an adapter and flange leg joint design, the utility model aims at: the laboratory heating device has the advantages of compact structure, small and exquisite volume, stability and convenient operation, and can efficiently heat containers in different shapes.

In order to achieve the above object, the utility model adopts the following technical scheme: a heating device for a laboratory container is composed of an adapter, a flange bracket and a heater, and is characterized in that the adapter is a cylindrical body made of heat conduction materials, a container cavity is arranged in the adapter, and a heating surface is arranged at the bottom of the adapter; the heater is a disc-shaped body, a circular heating disc is arranged at the upper part of the heater, the diameter of the heating disc is consistent with that of the heating surface of the adapter, and the heater is connected with an external power supply and a temperature control module; the flange support sequentially comprises a flange pipe, a flange plate and a base from top to bottom, wherein the flange pipe is provided with a heat insulating layer for the inner wall of a hollow cylinder, the inner diameter of the flange pipe is consistent with the outer diameter of the adapter, the flange plate is a circular ring-shaped body, the adapter is arranged in the flange pipe, the heater is arranged on the base, the base and the flange plate are fixed by long rod screws, and the heating surface at the bottom of the adapter is attached to the heating disk surface of the heater.

As a preferred technical scheme, the adapter assembly at least comprises three adapters, namely a test tube, a triangular flask and a round-bottom flask, and the adapter material is selected from one of aluminum alloy or heat-conducting silicon dioxide ceramic.

As a preferred technical scheme, the heater is one of a disc-shaped cast aluminum electric heating plate or a disc-shaped PTC electric heater, the heater is connected with an external power supply and temperature control module, and the power is between 100 and 1000W.

Preferably, the flange bracket is made of one material selected from stainless steel, copper alloy and aluminum alloy.

According to a preferable technical scheme, the inner wall of the flange pipe is provided with a heat preservation and insulation layer, and the heat insulation layer is one of glass fiber, asbestos and aluminum silicate fiber.

According to a preferable technical scheme, an annular heat insulation gasket is arranged below the flange plate, and the heat insulation gasket material is one of asbestos, aluminum silicate and glass fiber.

As the preferred technical scheme, the base is circular hollow, the outer diameter of the base is consistent with that of the flange plate, 4 support legs are arranged at the bottom of the base, and anti-slip pads are arranged on the support legs.

As the preferred technical scheme, the temperature control module is connected with a temperature sensor, and a probe of the temperature sensor is placed in the heating solution, so that accurate temperature control is facilitated.

Compared with the prior art, the utility model discloses the beneficial effect who gains is:

(1) by adopting the design of the adapter, laboratory containers with different shapes can be heated; the adapter is made by the heat conduction material, and the adapter cavity closely includes with the heating container, makes the utility model discloses the heating is more even.

(2) The flange support design is adopted, so that the heating device is more compact, stable and safe, and the heat insulation layer design on the inner wall of the flange pipe can prevent heat loss in the heating process and improve the heating efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

A heating device for a laboratory container is composed of an adapter, a flange bracket and a heater, and is characterized in that the adapter is a cylindrical body made of heat conduction materials, a container cavity is arranged in the adapter, and a heating surface is arranged at the bottom of the adapter; the heater is a disc-shaped body, a circular heating disc is arranged at the upper part of the heater, the diameter of the heating disc is consistent with that of the heating surface of the adapter, and the heater is connected with an external power supply and a temperature control module; the flange support comprises a flange pipe, a flange plate and a base in sequence from top to bottom, wherein the flange pipe is a hollow cylinder, the inner wall of the flange pipe is provided with a heat insulating layer, the inner diameter of the flange pipe is consistent with the outer diameter of the adapter, the flange plate is a circular ring-shaped body, the adapter is arranged in the flange pipe, the heater is arranged on the base, the base and the flange plate are fixed through long rod screws, and the heating surface at the bottom of the adapter is attached to the heating disk surface of the heater.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a sectional view of the plane A-A of the structure of the present invention; fig. 3 is a top view of the present invention; FIG. 4 is a schematic diagram of an adapter construction; figure 5 is a round bottom flask adapter wherein in figures 1 to 5 each numeral designation refers to a particular meaning, element and/or component, respectively, as follows.

In the figure: 1-flange bracket, 11-flange pipe, 12-flange plate, 13-heat insulation gasket, 14-base, 15-long rod screw, 16-non-slip mat and 17-heat insulation layer; 2-an adapter; 3-a heater, 31-a temperature control module and 32-a temperature sensor; 4-Erlenmeyer flask, 5-test tube, 6-test tube adapter, 7-round bottom flask, 8-round bottom flask adapter.

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.

As shown in fig. 1, a heating device for laboratory containers is composed of a flange bracket 1, an adapter 2 and a heater 3, and is characterized in that the adapter 2 is a cylinder made of heat conducting material, a container cavity is arranged in the adapter, and a heating surface is arranged at the bottom of the adapter; the heater 3 is a disc-shaped body, a circular heating disc is arranged at the upper part of the heater, the diameter of the heating disc is consistent with that of the heating surface of the adapter, and the heater 3 is connected with an external power supply and temperature control module 31; flange support 1 includes flange pipe 11, ring flange 12 and base 14 from last to down in proper order, flange pipe 11 is the cavity cylindric body, and the inner wall is equipped with heat preservation heat insulation layer 17, the internal diameter with the adapter external diameter is unanimous, ring flange 12 is the ring form body, in flange pipe 11 is arranged in to adapter 2, on base 14 was arranged in to heater 2, fixed with stock screw 15 between base 14 and the ring flange 12, with the laminating of the heating disk face of adapter 2 bottom heating surface and heater 3.

As shown in fig. 1, 4 and 5, the adapter assembly at least comprises three adapters of a cannula type 6, a triangular flask 2 and a round-bottom flask 8, and the adapter material is selected from one of aluminum alloy and heat-conducting silicon dioxide ceramic.

As shown in fig. 1 and 2, the heater 3 is one of a disc-shaped aluminum-cast electric heating plate or a disc-shaped PTC electric heater, and the heater 3 is connected to an external power supply and temperature control module 32 with a power of 100 and 1000W.

As shown in fig. 1 and 2, the flange support 1 comprises a flange pipe 11, a flange plate 12 and a base 14, and the material of the flange plate is selected from one of stainless steel, copper alloy or aluminum alloy.

As shown in fig. 1, 2 and 3, the inner wall of the flange pipe 11 is provided with a heat insulating layer 17, and the heat insulating layer is one of glass fiber, asbestos and aluminum silicate fiber.

As shown in fig. 1 and 2, an annular heat insulating gasket 13 is arranged below the flange plate 12, and the heat insulating gasket 13 is made of one of asbestos, aluminum silicate and glass fiber.

As shown in figures 1 and 2, the base 14 is circular and hollow, the outer diameter of the base is consistent with that of the flange 12, 4 support legs are arranged at the bottom of the base, and the support legs are provided with anti-skid pads 16.

As shown in fig. 1, the temperature control module 31 is connected to a temperature sensor 32, and a probe of the temperature sensor 32 is inserted with a heating solution, which is beneficial to accurate temperature control.

Claims (8)

1. A heating device for a laboratory container is composed of an adapter, a flange bracket and a heater, and is characterized in that the adapter is a cylindrical body made of heat conduction materials, a container cavity is arranged in the adapter, and a heating surface is arranged at the bottom of the adapter; the heater is a disc-shaped body, a circular heating disc is arranged at the upper part of the heater, the diameter of the heating disc is consistent with that of the heating surface of the adapter, and the heater is connected with an external power supply and a temperature control module; the flange support comprises a flange pipe, a flange plate and a base in sequence from top to bottom, wherein the flange pipe is a hollow cylinder, the inner wall of the flange pipe is provided with a heat insulating layer, the inner diameter of the flange pipe is consistent with the outer diameter of the adapter, the flange plate is a circular ring-shaped body, the adapter is arranged in the flange pipe, the heater is arranged on the base, the base and the flange plate are fixed through long rod screws, and the heating surface at the bottom of the adapter is attached to the heating disk surface of the heater.

2. Laboratory vessel heating device according to claim 1, characterized in that: the adapter assembly at least comprises three adapters, namely a test tube, a triangular flask and a round-bottom flask, and the adapter is made of one material selected from aluminum alloy or heat-conducting silicon dioxide ceramic.

3. Laboratory vessel heating device according to claim 1, characterized in that: the heater is one of a disc-shaped cast aluminum electric heating plate or a disc-shaped PTC electric heater, the heater is connected with an external power supply and temperature control module, and the power is between 100 and 1000W.

4. Laboratory vessel heating device according to claim 1, characterized in that: the flange bracket is made of one of stainless steel, copper alloy and aluminum alloy.

5. Laboratory vessel heating device according to claim 1, characterized in that: the inner wall of the flange pipe is provided with a heat insulation layer, and the heat insulation layer is one of glass fiber, asbestos and aluminum silicate fiber.

6. Laboratory vessel heating device according to claim 1, characterized in that: an annular heat insulation gasket is arranged below the flange plate, and the heat insulation gasket material is one of asbestos, aluminum silicate and glass fiber.

7. Laboratory vessel heating device according to claim 1, characterized in that: the base is circular cavity, and the external diameter is unanimous with the ring flange external diameter, and the bottom is equipped with 4 stabilizer blades, and the stabilizer blade is equipped with the slipmat.

8. Laboratory vessel heating device according to claim 1, characterized in that: the temperature control module is connected with a temperature sensor, and a probe of the temperature sensor is placed in the heating solution.

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