CN106766128A

CN106766128A - Electric heater equipped with flanged or non-flanged non-metal shell electrothermal tube

Info

Publication number: CN106766128A
Application number: CN201510860045.0A
Authority: CN
Inventors: 刘运柳; 刘成
Original assignee: Guangdong Shunde Guangsheng Electrical Appliance Co Ltd
Current assignee: Guangdong Shunde Guangsheng Electrical Appliance Co Ltd
Priority date: 2015-11-24
Filing date: 2015-11-24
Publication date: 2017-05-31

Abstract

Electric heater equipped with flanged or non-flanged non-metal shell electrothermal tube, it is built with flanged (FLGD) non-metal shell electrothermal tube (5-1) or non-flanged non-metal shell electrothermal tube (5-2) in metal or nonmetallic water tank, it is by the component (8) for having heating wire in the blind hole non-metal shell flanged (FLGD) mounting seat (11) of insertion or non-flanged mounting seat (12), there is seal (2) between the endoporus and non-metallic pipe of mounting seat, as supporting, sealing and damping, there are screw thread or bayonet socket in mounting seat, after being matched with it with nut or end cap (13), nut or end cap (13) can block the mouth of pipe of non-metallic pipe；And non-metallic pipe is made Curved or straight.

Description

Electric heater equipped with flanged or non-flanged non-metal shell electrothermal tube

Technical field

The present invention relates to electric heater, relate generally to equipped with flanged or non-flanged non-metal shell electrothermal tube Electric heater.

Background technology

The electrothermal tube in electric heater is currently used for, 100% is by technical standard JB/T4088-1999《Daily pipe Shape heating》Or JB/T2379-1993《Tubular metal electric heating element》The tubular electrothermal element of production, be " with metal tube as shell, heating alloy make heater, at one end or two ends have eduction rod, in metal tube It is interior to load closely knit magnesium oxide powder dielectric, to fix the element of heater；" existing commonly use Heating；This metal shell heating, is completely sunk in the water, after long-time use, meeting scaling, Heating efficiency is reduced, and corrosion punctures, and makes water powered, as world-famous puzzle.

Recent patent application《Non-metal shell heating》The He of application number 201520816869.3 201510688413.8 describe two kinds of non-metal shell heatings of through type and blind hole；Also patent application 201510717411.7 and 201520843141.X《Equipped with the horizontal of the electrothermal tube for having heating wire in non-metallic pipe Single courage storage-type electric water heater》Practice, it is found that there is following defect：1. blind hole pipe has axial direction under hydraulic pressure effect Power, can be by electrothermal tube toward extrapolation；2. main heating part cannot be below installation center line and sink, heat production water Reduce；3. flange mounting seat complex manufacturing technology.

The content of the invention

During the purpose of the present invention is the electric heater for will be equipped with flanged or non-flanged non-metal shell electrothermal tube, New technical scheme is proposed, to overcome the defect of existing product.

Technical measures of the invention are：

The water tank 14 of electric heater is made up of metal or nonmetallic materials, built with flanged or non-flanged Non-metal shell electrothermal tube, flanged (FLGD) non-metal shell electrothermal tube is that will have electric heating in blind hole non-metallic pipe Component 8 and flanged (FLGD) mounting seat 11 of silk be combined into flanged (FLGD) non-metal shell electrothermal tube 5-1 be by Blind hole non-metallic pipe is made Curved or straight, in-built electrical heated filament 3, the eduction rod 1 of heating wire one end, in pipe Inside bend to U-shaped, make two draw ears of maize in unlimited one end, and by the protruded tube of nonmetallic plug 6 outside, manage Interior to also have magnesium oxide powder or air 4, lead-out wire non-metallic insulation spacer 10 is isolated, and prevents short circuit； Non- gold pipe is opened wide in the flanged (FLGD) hole of mounting seat 11 of insertion of one end, between the endoporus and non-metallic pipe of mounting seat There is seal 2, as supporting, sealing and damping；There are screw thread or bayonet socket in mounting seat, with nut or end cap 13 It is matched therewith, the function of nut or end cap 13 is to block the mouth of pipe of non-metallic pipe 9, if non-metallic pipe is Curved, blind hole one end can produce more hot water under flange installation center line.

Flanged (FLGD) mounting seat 11 metal or nonmetallic materials integral manufacturing or split production, with water tank 14 Mechanically connect.

The non-flanged non-metal shell electrothermal tube be the component 8 that will have heating wire in blind hole non-metallic pipe with The non-metal electric heating pipe 5-2 without flange mounting seat is combined into without flange mounting seat 12, is non-flanged mounting seat 12, directly with tank weld or mechanical connection after, during electric heating pipe component 8 inserted into the hole of mounting seat, mounting seat Endoporus and non-metallic pipe between have seal 2, as supporting, sealing and damping；Have in mounting seat screw thread or Bayonet socket, combined with it with nut or end cap 13, the function of nut or end cap 13 is by the pipe of non-metallic pipe 9 Mouth is blocked.

The beneficial effects of the invention are as follows non-metal shell electrothermal tube, with flanged or non-flanged mounting seat and water tank Connection, makes the axial thrust that Curved or straight blind hole pipe are overcome in water tank, and available flanged or without flange Electrothermal tube, the existing metal electric heating pipe of direct substitution makes existing product not scaling, and leakproof solves binomial World-famous puzzle.

Brief description of the drawings

Fig. 1, Fig. 2 are equipped with the electric heater of flanged (FLGD) non-metal shell electrothermal tube；

Fig. 3 is electric heater of the vertical water tank built with flanged (FLGD) non-metal shell electrothermal tube；

Fig. 4 to Fig. 6 is the outline drawing of several electrothermal tubes used in electric heater；

Specific embodiment

In accompanying drawing, eduction rod 1, sealing ring 2, heating wire 3, magnesia powder or air 4, flanged (FLGD) non-gold Category shell electrothermal tube 5-1, non-flanged non-metal shell electrothermal tube 5-2, nonmetallic plug 6, straight-through non-gold Having in category pipe has the component (or electric heating pipe component) of heating wire in the component 7 of heating wire, blind hole non-metallic pipe 8th, blind hole non-metallic pipe 9, non-metallic insulation spacer 10, flanged (FLGD) mounting seat 11, non-flanged installation Seat 12, nut or end cap 13, water tank 14, flange 15；

Fig. 1 be water tank 14 built with flanged (FLGD) non-metal shell electrothermal tube, blind hole non-metallic pipe 9 is made curved Curved, can sink down into has heating wire 3 in water tank lower blind bore non-metallic pipe, one end bending in pipe of heating wire Into U-shaped, two eduction rods are made to stretch to pipe, one of lead-out wire non-metallic insulation spacer in unlimited one end 10 entangle；The electrothermal tube that this electrothermal tube generates heat with the existing metal tube for generally using, mounting means, connection Size is identical, can be fairly obvious with the existing electrothermal tube of direct substitution, advantage, because shell is nonmetallic materials system Make, would not scaling, will not puncture, realize water proof heat；Fig. 2 be it is same it is flanged on have two installations Seat, fills two electrothermal tubes.

Because non-metallic pipe is fabricated to Curved, blind hole one end can be less than installation center line and sink, therefore preheating When, the hot water of generation can be more.

Fig. 3 is that blind hole non-metallic pipe 8 makes straight, and this structure is also applied for standing when using in vertical water tank Formula or horizontal double water tank structure.

Fig. 3 is flanged (FLGD) mounting seat, with metal or nonmetallic materials integral manufacturing, it is also possible to split production, Just turn into the non-metal shell electrothermal tube that can be commonly used after being combined with non-metallic pipe.

Fig. 4 to Fig. 6 is several outline drawings of the electrothermal tube employed in electric heater, it is adaptable to which single water tank is double Water tank；Horizontal or vertical structure.

Claims

1. equipped with the electric heater of flanged or non-flanged non-metal shell electrothermal tube, it is characterised in that：In gold Category or nonmetallic water tank (14) in, equipped with the component (8) for having heating wire in blind hole non-metallic pipe with it is flanged Mounting seat (11) be combined into flanged (FLGD) non-metal shell electrothermal tube (5-1) or equipped with by the non-gold of blind hole There is the component (8) of heating wire in category pipe and be combined into without flange mounting seat (12) non-flanged nonmetallic outer Shell electrothermal tube (5-2).

2. according to claim 1 equipped with the electric hot water of flanged or non-flanged non-metal shell electrothermal tube Device, it is characterised in that：Flanged (FLGD) non-metal shell electrothermal tube (5-1) of institute's dress is that blind hole is nonmetallic Pipe is made Curved or straight, and in-built electrical heated filament (3), heating wire bends to U-shaped in pipe, makes two extractions Rod (1) in unlimited one end, and by nonmetallic plug (6) protruded tube outside, pipe in also have magnesium oxide powder or Air (4), lead-out wire is isolated with non-metallic insulation thing (10), and non-metallic pipe is opened wide into one end insert band method In blue mounting seat (11) hole, there is seal (2) between the endoporus and non-metallic pipe of mounting seat, in mounting seat There are screw thread or bayonet socket, be matched therewith with nut or end cap (13), nut or end cap (13) are by non-metallic pipe The mouth of pipe block；During using Curved non-metallic pipe, blind hole one end is under flange installation center line.

3. according to claim 1 equipped with the electric hot water of flanged or non-flanged non-metal shell electrothermal tube Device, it is characterised in that：The non-flanged non-metal electric heating pipe (5-2), is non-flanged mounting seat (12), Directly with tank weld or mechanical connection, and electric heating pipe component (8) is opened wide in the hole of one end insertion mounting seat, There is seal (2) between the endoporus and non-metallic pipe of mounting seat；Have screw thread or bayonet socket in mounting seat, with nut or End cap (13) is matched therewith, and nut or end cap (13) block the mouth of pipe of non-metallic pipe.