SU862402A1

SU862402A1 - Tubular dismountable heating chamber

Info

Publication number: SU862402A1
Application number: SU792859404A
Authority: SU
Inventors: Валентин Васильевич Гусаров
Priority date: 1979-12-26
Filing date: 1979-12-26
Publication date: 1981-09-07

Description

(54) ТРУБЧАТАЯ РАЗЪЕМНАЯ ТЕРМОКАМЕРА(54) TUBULAR SOCKET THERMAL CAMERA

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Изобретение относитс к электронагревательным установкам и может быть использовано дл испытаний образцов при нагреве .The invention relates to electrical heating installations and can be used to test samples during heating.

Известна электропечь, содержаща корпус и нагреватель, выполненный в виде набора прутков конусной формы 1.A known electric furnace comprising a housing and a heater, made in the form of a set of cone-shaped bars 1.

Прутки установлены чередующимис с верщинами конусов, обращенными в разные стороны, причем прутки с одинаковым расположением вершин соединены в секции и присоединены кажда к самосто тельному источнику питани .The rods are installed alternating with the cones of the cones facing in different directions, with the rods with the same arrangement of vertices connected in a section and connected to an independent power source.

Недостатком конструкции вл етс ее сложность, причем возможное количество секций по длине термокамеры только две.The disadvantage of the design is its complexity, with only two possible sections along the length of the heat chamber.

Известна также трубчата разъемна электропечь, содержаща металлический корпус, керамический муфель и нагреватель, выполненный из набора прутков 2.Also known is a tubular detachable electric furnace containing a metal body, a ceramic muffle and a heater made from a set of rods 2.

Недостатком конструкции вл етс мала надежность креплени концов прутков из-за возможного короблени нагревател и ее сложность.A disadvantage of the design is the low reliability of fastening the ends of the rods due to the possible warping of the heater and its complexity.

Целью изобретени вл етс повыщение надежности и упрощение конструкции.The aim of the invention is to increase reliability and simplify the design.

Указанна цель достигаетс тем, что термокамера снабжена керамическими полукольцами двутаврового сечени , установленными по торцам нагревател , соседние прутки нагревател сдвинуты по длине друг относительно друга в разные стороны, и их концы зафиксированы на полках полуколец посредством муфел .This goal is achieved by the fact that the heat chamber is equipped with ceramic half-rings of I-section, installed on the ends of the heater, adjacent rods of the heater are shifted along each other in different directions, and their ends are fixed on the shelves of half-rings by means of a muffle.

На фиг. 1 представлена термокамера, продольный разрез; на фиг. 2 - то же, поперечный разрез; на фиг. 3 - одна часть разъ10 емной термокамеры; на фиг. 4 - нагреватель .FIG. 1 shows a heat chamber, a longitudinal section; in fig. 2 - the same, cross section; in fig. 3 - one part of a separate heat chamber; in fig. 4 - heater.

Термокамера представл ет собой разъемную металлическую конструкцию, состо ., щую из правой 1 и левой 2 частей. Они аналогичны . Права и лева части термокамеры состо т из металлического корпуса 3, керамического муфел 4, нагревател 5 и керамических полуколец 6 двутаврового сечени , установленных по торцам нагревател .The heat chamber is a detachable metal structure consisting of right 1 and left 2 parts. They are similar. The right and left parts of the heat chamber consist of a metal case 3, a ceramic muffle 4, a heater 5 and ceramic half-rings 6 of I-section, installed along the ends of the heater.

Claims

20 The heater is made of a set of rods 7 of a heat-resistant alloy, adjacent rods are shifted relative to each other in different directions, and their ends 8 are fixed on shelves 9 semirings 6 by means of a muffle 4. The working space of the thermal camera is closed at the top and bottom with ceramic semirings 10 installed in supporting half-rings 11, the space between the body and the muffle is filled with thermal insulation 12, for example, from kaolin fiber. The heat chamber can be multisection, in each section there are two heaters - one in each half of the heat chamber. The heaters of each section are interconnected in series with the help of straps, and by means of pins 13 with a step-down transformer. The heat chamber connector is mounted on a vertical plane, and one half, for example, the rear one, is fixedly mounted in the working position in the test rig, and the front part is fixed with the help of a hinge joint and locks. The design of the heat chamber is simple and easy to manufacture and operate, fixing the ends of the heater rods on the shelves of half-rings of I-section through the muffle ensures reliable operation of the heat chamber. The invention includes a tubular heat chamber comprising a metal body, a ceramic muffle and a heater made from a set of rods, characterized in that, in order to increase reliability and simplify the design, it is equipped with ceramic I-Beam semirings installed along the ends of the heater, adjacent bars of the heater are shifted lengthwise relative to each other in different directions, and their ends are fixed on the shelves of half-rings by means of muffles. Sources of information taken into account during expert Tize 1. USSR author's certificate number 657318, cl. G 01 N 3/18, 1976.

2. USSR author's certificate No. 289522, cl. H 05 B 3/42, 1966 (prototype).

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