JPS61113398U

JPS61113398U -

Info

Publication number: JPS61113398U
Application number: JP19211385U
Authority: JP
Priority date: 1975-05-01
Filing date: 1985-12-13
Publication date: 1986-07-17
Also published as: JPS6333351Y2; FR2310055B1; JPS51133838A; FR2310055A1; GB1509102A; JPS5636798B2; DE2619863C2; DE2619863A1; BR7602669A; CA1058674A

Description

[Brief explanation of drawings]

第１図は放射管に挿入されたこの考案の電気加
熱エレメントの、一部破除した、図である。第２
図は電気加熱エレメントの前端の拡大図である。
第３図は第１図の電気加熱エレメントの３〜３線
断面拡大図である。第４図は第１図の電気加熱エ
レメントの４〜４線断面拡大図である。第５図は
第１図の電気加熱エレメンウの５〜５線断面拡大
図である。第６図は第１図の電気加熱エレメント
の６〜６線断面拡大図である。１０……電気加熱エレメント、１１……放射管
、１５……プレート、１６……プレート、１７…
…プレート、１８……プレート、１９……プレー
ト、２２……開口、２３……開口、２５……スペ
ーサ、３０……導電ロツド、３１……脚部、３２
……脚部、３３……基部、３５……鋼製ピン、４
０……ジヤンパロツド、４８……端子ロツド。 FIG. 1 is a partially cut away view of the electrical heating element of the invention inserted into a radiant tube. Second
The figure is an enlarged view of the front end of the electric heating element.
FIG. 3 is an enlarged cross-sectional view taken along line 3-3 of the electric heating element of FIG. FIG. 4 is an enlarged cross-sectional view taken along line 4-4 of the electric heating element of FIG. FIG. 5 is an enlarged cross-sectional view taken along line 5-5 of the electric heating element shown in FIG. FIG. 6 is an enlarged cross-sectional view taken along line 6-6 of the electric heating element of FIG. 10... Electric heating element, 11... Radiation tube, 15... Plate, 16... Plate, 17...
... Plate, 18 ... Plate, 19 ... Plate, 22 ... Opening, 23 ... Opening, 25 ... Spacer, 30 ... Conductive rod, 31 ... Leg, 32
... Leg, 33 ... Base, 35 ... Steel pin, 4
0...Jumper rod, 48...Terminal rod.

補正昭６１．１．９実用新案登録請求の範囲を次のように補正する
。Amendment January 9, 1981 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】１縦の軸心を有する２０００Ｆ（１０９３℃）
までの温度に炉を加熱するのに適合する高温炉用
電気加熱エレメントにおいて、複数の薄くて平らな非導電性のプレートが前記
縦の軸心に沿つてその軸心方向に離間されており
、前記プレートの各々は前記縦の軸心と平行に且
つその軸心から横方向外方に間隔を置いてそのプ
レートを貫通する複数の開口を有し、前記各プレ
ート内の開口は横方向に間隔を置いた内側円形列
および外側円形列を含む一対の円形列内に配置さ
れ、前記プレートの前記円形列の各々は同数の開
口を有し、前記内側円形列の開口はそれぞれ前記
外側円形列の開口の傍に接近しており、前記各円
形列内の開口は等間隔で離間しており、前記各プ
レートの各円形列の開口は他のプレートの対応す
る円形列内の開口とそれぞれ縦方向に整列されて
おり、縦方向に整列された多数の非導電性のスペーサ
が前記縦の軸心上に且つ前記開口の横方向内方に
配置されており、前記スペーサの各々は、円筒形
でその直径は前記プレートに設けられた開口の内
側円形列の直径より小さく、また、前記プレート
を平行に且つ間隔を置いて維持するため一対の隣
接するプレート間に一個配置され、かつ各スペー
サの両端部は前記隣接するプレートの対向面に設
けられた円形溝内に当接係合しており、複数の長い直線状の剛性の電気導体が前記縦の
軸心に平行に且つ前記プレート内の縦方向に整列
された開口を通つて軸心方向に延びてそのプレー
トによつて保持されており、前記電気導体を通る
単一の連続した電流路を画成するように電気加熱
エレメントの各端部において前記電気導体の端部
を相互結合するための手段が設けられていること
を特徴とする電気加熱エレメント。２前記電気導体の各々は基部によつて結合され
た二つの長い脚部が設けられ、前記電気導体の各
脚部は前記各プレートの一つの開口を貫通して延
びており、前記電気導体の基部は電気加熱エレメ
ントの一端における前記相互結合手段を形成する
ため最終プレートを越えて位置されており、電気
加熱エレメントの他端における前記相互結合手段
は複数のジヤンパロツドを含み、前記各ジヤンパ
ロツドは前記各電気導体の脚部の自由端を別の電
気導体の脚部の自由端と相互結合し、別の二つの
電気導体の脚部が前記ジヤンパロツドの相互結合
をしないで電力源に結合するのに適合されている
ことを特徴とする実用新案登録請求の範囲第１項
記載の電気加熱エレメント。３電気導体の端部を相互結合する手段は、各電
気導体の一部分をＵ字状に接続することを特徴と
する実用新案登録請求の範囲第１項記載の空気加
熱エレメント。[Claims for Utility Model Registration] 1. 2000F (1093℃) with vertical axis
In an electric heating element for a high temperature furnace suitable for heating a furnace to temperatures up to, a plurality of thin, flat, non-conductive plates are axially spaced along said longitudinal axis; Each of the plates has a plurality of apertures extending therethrough parallel to and spaced laterally outwardly from the longitudinal axis, the apertures in each plate being laterally spaced apart from each other. are arranged in a pair of circular rows including an inner circular row and an outer circular row, each of said circular rows of said plates having an equal number of openings, and the openings of said inner circular row each having a number of openings in said outer circular row. adjacent apertures, the apertures in each said circular row being equidistantly spaced, and the apertures in each circular row of each said plate being longitudinally adjacent to the apertures in the corresponding circular row of the other plate. a plurality of longitudinally aligned non-conductive spacers are disposed on the longitudinal axis and laterally inward of the opening, each of the spacers having a cylindrical shape. the diameter of which is smaller than the diameter of the inner circular row of apertures provided in said plates, and one of which is disposed between a pair of adjacent plates to maintain said plates parallel and spaced apart, and one at each end of each spacer. the portions abuttingly engage within circular grooves in opposing surfaces of said adjacent plates, and a plurality of elongated, straight, rigid electrical conductors extend parallel to said longitudinal axis and extend longitudinally within said plates. each end of the electrical heating element extending axially through apertures aligned in the direction and retained by the plate thereof to define a single continuous current path through said electrical conductor; An electric heating element characterized in that means are provided for interconnecting the ends of said electrical conductors. 2 each of said electrical conductors is provided with two long legs joined by a base, each leg of said electrical conductor extending through one opening in each said plate; The base is positioned beyond the final plate to form said interconnecting means at one end of the electrical heating element, said interconnecting means at the other end of the electrical heating element including a plurality of jumper rods, each said adapted to interconnect the free ends of the legs of the electrical conductor with the free ends of the legs of another electrical conductor, and to couple the legs of the other two electrical conductors to a power source without interconnecting said jumper rods; The electric heating element according to claim 1, characterized in that: 3. The air heating element according to claim 1, wherein the means for interconnecting the ends of the electrical conductors connects a portion of each electrical conductor in a U-shape.

Claims

[Claims for Utility Model Registration] 1. 2000F (1093℃) with vertical axis
In an electric heating element for a high temperature furnace adapted to heat a furnace to temperatures up to, a plurality of thin, flat, non-conductive plates are axially spaced along said longitudinal axis; Each of the plates has a plurality of apertures extending therethrough parallel to and spaced laterally outwardly from the longitudinal axis, the apertures in each plate being laterally spaced apart from each other. are arranged in a pair of circular rows including an inner circular row and an outer circular row, each of said circular rows of said plates having an equal number of openings, and the openings of said inner circular row each having a number of openings in said outer circular row. adjacent apertures, the apertures in each said circular row being equidistantly spaced, and the apertures in each circular row of each said plate being longitudinally adjacent to the apertures in the corresponding circular row of the other plate. and a plurality of longitudinally aligned non-conductive spacers are disposed on the longitudinal axis and laterally inward of the opening, each of the spacers parallel to the plate. a plurality of elongated, straight, rigid electrical conductors extending parallel to said longitudinal axis and in abutting engagement with opposing surfaces of a pair of adjacent plates to maintain said longitudinal axis and spacing therebetween; each end of the electrical heating element extending axially through apertures aligned in the direction and retained by the plate thereof to define a single continuous current path through said electrical conductor; An electric heating element characterized in that means are provided for interconnecting the ends of said electrical conductors. 2 each of said electrical conductors is provided with two long legs joined by a base, each leg of said electrical conductor extending through one opening in each said plate; The base is positioned beyond the final plate to form said interconnecting means at one end of the electrical heating element, said interconnecting means at the other end of the electrical heating element including a plurality of jumper rods, each said adapted to interconnect the free ends of the legs of the electrical conductor with the free ends of the legs of another electrical conductor, and to couple the legs of the other two electrical conductors to a power source without interconnecting said jumper rods; The electric heating element according to claim 1, characterized in that: 3. Each spacer is separated from the plate, and the facing surface of an adjacent plate is provided with a circular groove, and the end of each spacer is received within the circular groove of the adjacent plate. An electric heating element according to claim 1, which is characterized in that the electric heating element is characterized in that: 4. In an electric heating element for a radiant tube heater in a high temperature furnace adapted to heat the furnace to temperatures up to 2000F (1093C), a plurality of hollow, non-conductive spacers are arranged longitudinally. a series of thin, flat, non-conductive plates each having a plurality of apertures extending axially through the plate, the apertures in each plate including an inner circular row and an outer circular row. arranged in a pair of circular rows, each of the circular rows of the plate having the same number of openings, each of the openings of the inner circular row being adjacent to the openings of the outer circular row, and each of the circular rows of the plate having an equal number of openings; apertures in the plates are equally spaced apart, and the plates are arranged in a parallel and spaced relationship with the apertures in the plates being axially aligned and sandwiched between the plates. a plurality of long rigid conductive rods each formed in a U-shape with a short base and long parallel legs, each leg of each conductive rod extending radially outward of the spacer. the conductive rod is inserted axially through aligned openings in said series of plates so as to be located at the end of said series of plates, and said base of said conductive rod extends beyond said penultimate plate to a second-to-last plate includes a central axial bore disposed radially inwardly of the spacer, and is provided with a non-conductive final plate identical to the second-to-last plate, the heating element an additional spacer is provided to further support the conductive rod and to insulate the base of the conductive rod from contact with the radiating plate, the final plate being located at a distance from the penultimate plate, and the additional spacer secured to the penultimate plate by an axial pin extending through a spacer and a central axial bore of the penultimate plate and the final plate; A direction pin is fixed to the inside of said penultimate plate and to the outside of said last plate, and connects the free end of the leg of each said conductive rod to form said conductive rod into a single current path. Means are provided for electrically interconnecting the free ends of the legs of another rod at the first end of the heating element with the exception of two legs of the other rod; An electric heating element, the legs of which are adapted to couple to a power source. 5. The electric heating element according to claim 4, wherein each of the U-shaped short bases is integrally connected to each of the parallel legs. 6. Each spacer is separated from the plate, and opposing surfaces of adjacent plates are provided with a circular groove, and an end of each spacer is received within the circular groove of the adjacent plate. The electric heating element according to claim 4, which is characterized by: