CN206377996U - A kind of detection chamber type electric resistance furnace - Google Patents

A kind of detection chamber type electric resistance furnace Download PDF

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Publication number
CN206377996U
CN206377996U CN201720064046.9U CN201720064046U CN206377996U CN 206377996 U CN206377996 U CN 206377996U CN 201720064046 U CN201720064046 U CN 201720064046U CN 206377996 U CN206377996 U CN 206377996U
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China
Prior art keywords
heater
resistance furnace
burner hearth
electric resistance
type electric
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CN201720064046.9U
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Chinese (zh)
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黎金标
谢振键
朱凌
邓善桥
成海
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Nuclear Industry Er Jiu Research Institute
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Nuclear Industry Er Jiu Research Institute
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Abstract

The utility model is related to detecting instrument technical field, specifically related to a kind of detection chamber type electric resistance furnace, including body of heater, the both sides of body of heater are equipped with fire door, and body of heater includes furnace shell, heat-insulating fiber felt and the alumina silicate heat-insulation layer that ecto-entad is set gradually, and the inside of body of heater is provided with burner hearth, burner hearth is formed by some laying fireproof bricks, the inner surface of burner hearth, which is pasted with high alumina ceramic tapetum fibrosum, burner hearth, is provided with heating element heater, and heating element heater is corrugated resistive band.The utility model improves the heat-insulating property of resistance furnace, effectively reduces energy consumption, lifts programming rate, and insulation heat-insulating property is good, effectively increases the insulation heat-insulating property and the thermal efficiency of body of heater, body of heater external skin temperatures do not change substantially, do not have influence on ambient temperature;Under conditions of identical heating power, the energy consumption of chamber type electric resistance furnace of the present utility model is only the half of existent technique.

Description

A kind of detection chamber type electric resistance furnace
Technical field
The utility model is related to detecting instrument technical field, and in particular to a kind of detection chamber type electric resistance furnace.
Background technology
Chamber type electric resistance furnace rated temperature is at 1000-1700 DEG C, it is adaptable to each universities and colleges and scientific research institutions, enters row metal The sintering of material, ceramic material, the heat treatment of some monocrystal, detection and research of the high temperature reheating contraction of refractory material etc.. Existing chamber type electric resistance furnace, its heat time is long, and energy loss is big, and heat-insulating property and the thermal efficiency need to be improved, its thermal efficiency Generally 30%~35%, body of heater surface temperature is high compared with ambient temperature 6~10 DEG C.
Utility model content
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is that providing a kind of detection uses Chamber type electric resistance furnace.
The purpose of this utility model is achieved through the following technical solutions:A kind of detection chamber type electric resistance furnace, including body of heater, stove The both sides of body are equipped with fire door, and body of heater includes furnace shell, heat-insulating fiber felt and the alumina silicate heat-insulation layer that ecto-entad is set gradually, stove The inside of body is provided with burner hearth, and burner hearth is formed by some laying fireproof bricks, and the inner surface of burner hearth is pasted with high alumina ceramic tapetum fibrosum, stove Heating element heater is provided with thorax, heating element heater is corrugated resistive band.
Further, the refractory brick is density in 800-1000kg/m3Alumina firebrick.
Further, the fire door includes the outer layer that internal layer and steel plate are made being made up of refractory fiber cotton.
Further, the fire door is laterally opened fire door.
Further, the sealing part of the fire door is provided with " convex " type edge sealing that refractory fiber cotton is made, and the body of heater is provided with The groove being engaged with " convex " type edge sealing.
Further, the body of heater is provided with thermocouple, and the end of thermocouple is inserted in the burner hearth.
Further, the thermocouple is the thermocouple of nickel chromium triangle-nisiloy.
Further, the resistive band is the resistive band that surface is coated with far ultrared paint.
Further, the upper surface and both sides of the burner hearth are respectively arranged with fender bracket, and the bottom of burner hearth is provided with protection Connected between the bottom of plate, protection board and burner hearth by high temperature resistant spring, fender bracket is high temperature resistant stainless steel rack.
Further, the horizontal survey for measuring protection plate level is connected between the rear and front end of the protection board Pipe, the centre position of horizontal survey pipe is provided with watch window.
The beneficial effects of the utility model are:Chamber type electric resistance furnace of the present utility model in burner hearth inner surface by pasting high Aluminium ceramic fiber blanket, considerably reduces the alumina silicate insulation that the heat energy in burner hearth enters between burner hearth and furnace shell through refractory brick The ratio of material and heat-insulating fiber felt;On the other hand, high alumina ceramic tapetum fibrosum and fire door realization are pasted using in fire door inner surface Sealing, effectively increases the sealing of resistance furnace, further improves the heat-insulating property of resistance furnace, effectively reduce energy consumption, is lifted Programming rate.Chamber type electric resistance furnace of the present utility model is formed by using heat-insulating fiber felt, alumina silicate heat-insulation layer, laying fireproof bricks Burner hearth and high alumina ceramic tapetum fibrosum, insulation heat-insulating property are good, effectively increase the insulation heat-insulating property and the thermal efficiency of body of heater, body of heater External skin temperatures do not change substantially, do not have influence on ambient temperature;It is of the present utility model box under conditions of identical heating power The energy consumption of resistance furnace is only the half of existent technique.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model.
Reference is:1-body of heater, 10-fire door, 101-internal layer, 102-outer layer, 11-furnace shell, 12-heat-insulating fiber Felt, 13-alumina silicate heat-insulation layer, 14-burner hearth, 141-fender bracket, 142-protection board, 15-high alumina ceramic tapetum fibrosum, 16- Heating element heater, 17-thermocouple.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is made into one with reference to embodiment and accompanying drawing 1 The explanation of step, the content that embodiment is referred to not is limited of the present utility model.
See Fig. 1, a kind of detection chamber type electric resistance furnace, including body of heater 1, the both sides of body of heater 1 are equipped with fire door 10, and body of heater 1 is wrapped Furnace shell 11, heat-insulating fiber felt 12 and alumina silicate heat-insulation layer 13 that ecto-entad is set gradually are included, the inside of body of heater 1 is provided with burner hearth 14, burner hearth 14 is formed by some laying fireproof bricks, and the inner surface of burner hearth 14, which is pasted with high alumina ceramic tapetum fibrosum 15, burner hearth 14, to be set Heating element heater 16 is equipped with, heating element heater 16 is corrugated resistive band.
Chamber type electric resistance furnace of the present utility model is significantly dropped by pasting high alumina ceramic tapetum fibrosum 15 in the inner surface of burner hearth 14 Aluminum silicate insulation material and heat-insulating fiber that heat energy in low burner hearth 14 enters between burner hearth 14 and furnace shell 11 through refractory brick The ratio of felt 12;On the other hand, high alumina ceramic tapetum fibrosum 15 and fire door realization sealing are pasted using in the inner surface of fire door 10, effectively The sealing of resistance furnace is improved, the heat-insulating property of resistance furnace is further improved, energy consumption is effectively reduced, programming rate is lifted. Chamber type electric resistance furnace of the present utility model forms burner hearth by using heat-insulating fiber felt 12, alumina silicate heat-insulation layer 13, laying fireproof bricks 14 and high alumina ceramic tapetum fibrosum 15, insulation heat-insulating property is good, effectively increases the insulation heat-insulating property and the thermal efficiency of body of heater 1, stove The external skin temperatures of body 1 do not change substantially, do not have influence on ambient temperature;It is of the present utility model under conditions of identical heating power The energy consumption of chamber type electric resistance furnace is only the half of existent technique.
In the present embodiment, the refractory brick is density in 800-1000kg/m3Alumina firebrick.The utility model passes through Using density in 800-1000kg/m3Alumina firebrick, can keep chamber type electric resistance furnace the temperature of burner hearth 14, reduce heat damage Lose, improve the production efficiency of chamber type electric resistance furnace.
In the present embodiment, the fire door 10 includes the outer layer that internal layer 101 and steel plate are made being made up of refractory fiber cotton 102.The utility model is by using above-mentioned fire door 10, and the furnace temperature in burner hearth 14 is uniform and high insulating effect, energy-conservation 20% with On.
In the present embodiment, the fire door 10 is laterally opened fire door 10.The utility model by using laterally opened fire door 10, with It is easy to load and take out the burner hearth 14 of chamber type electric resistance furnace the workpiece for needing to process, on the premise of production safety is effectively ensured, Can be speeded operations speed.
In the present embodiment, the sealing part of the fire door 10 is provided with " convex " type edge sealing that refractory fiber cotton is made, the body of heater 1 Provided with the groove being engaged with " convex " type edge sealing.So as to when fire door 10 is closed, on closing entrance body of heater 1 for groove in, Strengthen the sealing between fire door 10 and body of heater 1, strengthen heat insulation and preservation effect, reduce heat and scatter and disappear.
Another preferably embodiment of the present utility model is:The fire door that the hinge of fire door 10 is set on furnace shell 11 Side, opposite side is locked by the locking device on furnace shell 11 to be positioned.
In the present embodiment, the body of heater 1 is provided with thermocouple 17, and the end of thermocouple 17 is inserted in the burner hearth 14.Thermoelectricity Even 17 setting can be with the operating temperature in the burner hearth 14 of direct measurement chamber type electric resistance furnace.It is preferred that, the thermocouple 17 is nickel The thermocouple 17 of chromium-nisiloy.
In the present embodiment, pass through the soft bonding of fiber between the refractory brick.Can by the refractory brick of the soft bonding of fiber To keep the temperature of burner hearth 14 of chamber type electric resistance furnace, reduce thermal loss, the production efficiency of chamber type electric resistance furnace is improved.
In the present embodiment, the resistive band is the resistive band that surface is coated with far ultrared paint.Its effective radiating area is big, The thermal efficiency is high, and temperature is uniform, can substantially shorten the heat time of stove, so that, further effectively reduce the energy consumption of stove. Under conditions of identical heating power, the firing rate of chamber type electric resistance furnace of the present utility model is 2 times of existing chamber type electric resistance furnace.
In the present embodiment, the upper surface and both sides of the burner hearth 14 are respectively arranged with fender bracket 141, and the bottom of burner hearth 14 is set Protection board 142 is equipped with, is connected between protection board 142 and the bottom of burner hearth 14 by high temperature resistant spring, fender bracket 141 is high temperature resistant Stainless-steel space grids.The utility model during workpiece is passed in and out, will not strike burner hearth 14, subtract by using fender bracket 141 There is protection board 142 on few maintenance frequency and maintenance cost, furnace bottom, protection board 142 reduces workpiece pair by high temperature resistant spring supporting The impact of furnace bottom.
In the present embodiment, the water for measuring the level of protection board 142 is connected between the rear and front end of the protection board 142 Flat measurement pipe 143, the centre position of horizontal survey pipe 143 is provided with watch window.By the observation window of horizontal survey pipe 143 come Water level is observed, and then determines whether protection board 142 is in horizontality, it is easy to operate so that furnace bottom is horizontal, improve The balance of the forging temperature of workpiece, protects the inside of burner hearth 14 and furnace bottom, reduces maintenance frequency and maintenance cost, reduce into This, increases economic efficiency.
Above-described embodiment is the utility model preferably implementation, and in addition, the utility model can be with other sides Formula realizes that any obvious replacement is in protection model of the present utility model without departing from the concept of the premise utility Within enclosing.

Claims (10)

1. a kind of detection chamber type electric resistance furnace, including body of heater, the both sides of body of heater are equipped with fire door, it is characterised in that:Body of heater includes Furnace shell, heat-insulating fiber felt and alumina silicate heat-insulation layer that ecto-entad is set gradually, the inside of body of heater are provided with burner hearth, and burner hearth is by some Laying fireproof bricks are formed, and the inner surface of burner hearth, which is pasted with high alumina ceramic tapetum fibrosum, burner hearth, is provided with heating element heater, heating element heater For corrugated resistive band.
2. one kind detection chamber type electric resistance furnace according to claim 1, it is characterised in that:The refractory brick is that density exists 800-1000kg/m3Alumina firebrick.
3. one kind detection chamber type electric resistance furnace according to claim 1, it is characterised in that:The fire door includes fine by fire resisting The outer layer that the internal layer and steel plate that vinylon and cotton blend is made are made.
4. one kind detection chamber type electric resistance furnace according to claim 1, it is characterised in that:The fire door is laterally opened stove Door.
5. one kind detection chamber type electric resistance furnace according to claim 4, it is characterised in that:The sealing part of the fire door is provided with " convex " type edge sealing that refractory fiber cotton is made, the body of heater is provided with the groove being engaged with " convex " type edge sealing.
6. one kind detection chamber type electric resistance furnace according to claim 1, it is characterised in that:The body of heater is provided with thermocouple, The end of thermocouple is inserted in the burner hearth.
7. one kind detection chamber type electric resistance furnace according to claim 6, it is characterised in that:The thermocouple is nickel chromium triangle-nickel The thermocouple of silicon.
8. one kind detection chamber type electric resistance furnace according to claim 1, it is characterised in that:The resistive band coats for surface There is the resistive band of far ultrared paint.
9. one kind detection chamber type electric resistance furnace according to claim 1, it is characterised in that:The upper surface of the burner hearth and two Side is respectively arranged with fender bracket, and the bottom of burner hearth is provided with protection board, passes through high temperature resistant bullet between protection board and the bottom of burner hearth Spring is connected, and fender bracket is high temperature resistant stainless steel rack.
10. one kind detection chamber type electric resistance furnace according to claim 9, it is characterised in that:Front and rear the two of the protection board The horizontal survey pipe for measuring protection plate level is connected between end, the centre position of horizontal survey pipe is provided with observation window Mouthful.
CN201720064046.9U 2017-01-19 2017-01-19 A kind of detection chamber type electric resistance furnace Active CN206377996U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720064046.9U CN206377996U (en) 2017-01-19 2017-01-19 A kind of detection chamber type electric resistance furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720064046.9U CN206377996U (en) 2017-01-19 2017-01-19 A kind of detection chamber type electric resistance furnace

Publications (1)

Publication Number Publication Date
CN206377996U true CN206377996U (en) 2017-08-04

Family

ID=59400093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720064046.9U Active CN206377996U (en) 2017-01-19 2017-01-19 A kind of detection chamber type electric resistance furnace

Country Status (1)

Country Link
CN (1) CN206377996U (en)

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