CN105200207A - Well-type vacuum furnace - Google Patents
Well-type vacuum furnace Download PDFInfo
- Publication number
- CN105200207A CN105200207A CN201510676759.6A CN201510676759A CN105200207A CN 105200207 A CN105200207 A CN 105200207A CN 201510676759 A CN201510676759 A CN 201510676759A CN 105200207 A CN105200207 A CN 105200207A
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- China
- Prior art keywords
- furnace
- vacuum
- bell
- well
- fixed
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
A well-type vacuum furnace comprises a furnace body (1), an inner container (2) and a furnace lid (3), wherein the furnace body (1) comprises a furnace base (4), a furnace shell (5) and a furnace lining (6); the furnace shell (5) is fixed on the furnace base (4); a hearth surrounded by the furnace lining (6) is formed in the furnace shell (5); the inner container (2) is arranged in the hearth; a blower device (7), a lifting frame (8), a hand-operated valve (9), a protective gas inflation pipe (11) and a vacuumizing pipe (12) are fixed on the furnace lid (3). The well-type vacuum furnace is characterized in that a water protecting system (14) is connected onto the vacuumizing pipe (12) on the furnace lid (3); the hand-operated valve (9) is switched on to perform high-temperature vacuumizing; a vacuum pump connected with the vacuumizing pipe (12) is protected by the water protecting system (14). The well-type vacuum furnace is lighter, better in sealing effect, and higher in equipment use efficiency, and has the advantage that no oxide skin is generated on an annealed workpiece.
Description
Technical field
The present invention relates to industrial heat treatment furnace technical field, especially relate to a kind of well vacuum stove.
Technical background
For the annealing thermal treatment of the materials such as non-ferrous metal, the common bell furnace of the many employings of prior art or well formula oxidizing annealing stove, inefficiency, consume energy high, workpiece exists
high temperaturelower generation
oxygenizement, and surface is easy to form oxide skin
corrosion product.
Summary of the invention
For above problem; the object of the present invention is to provide a kind of well vacuum stove; for the thermal treatment of metallic substance vacuum anaerobic annealing; oxygen in stove is extracted out by vacuum-pumping tube when high temperature annealing; by the vacuum pump that water conservation system protection is connected with vacuum-pumping tube, and conscientiously solve the problem in work-ing life of the vacuum seal under hot environment.
Technical scheme of the present invention is achieved in the following ways: a kind of well vacuum stove, comprise body of heater, inner bag and bell, described body of heater comprises furnace base, furnace shell and furnace lining, described furnace shell is fixed on furnace base, the burner hearth having furnace lining to surround in described furnace shell, inner bag is located in burner hearth, described bell is fixed with blower fan apparatus, suspension bracket, manual valve, fill shielding gas pipe, vacuum-pumping tube, the screw lift structure that described body of heater and bell are installed, for opening and closed bell and body of heater, sealing-ring is provided with between bell and inner bag, it is characterized in that: the vacuum-pumping tube on described bell is connected with water conservation system, open manual valve to carry out high-temperature vacuum and bleed, by the vacuum pump that water conservation system protection is connected with vacuum-pumping tube.
Described burner hearth surrounding is fixed with support, and an electric heating element is fixed on support.
Described furnace lining is that high-temperature fibre material is made.
The described shielding gas pipe that fills is provided with tensimeter, under meter, magnetic valve, manual valve.
Described vacuum-pumping tube is provided with magnetic valve.
The present invention, structure is simple, reasonable in design, and in anaerobic vacuum annealing process, whole stove temperature uniformity is good, and annealing workpiece non-scale produces, and can cool fast, greatly enhance productivity, long service life after having heated.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1 body of heater; 2 inner bags; 3 bells; 4 furnace bases; 5 furnace shells; 6 furnace linings; 7 blower fan apparatus; 8 suspension brackets; 9 manual valves; 10 magnetic valves; 11 fill shielding gas pipe; 12 vacuum-pumping tubes; 13 screw lift structures; 14 water conservation systems; 15 supports; 16 an electric heating element.
Embodiment
Known by Fig. 1, a kind of well vacuum stove, be made up of body of heater 1, inner bag 2 and bell 3, described body of heater 1 comprises furnace base 4, furnace shell 5 and furnace lining 6, described furnace shell 5 is fixed on furnace base 4, the burner hearth having furnace lining 6 to surround in described furnace shell 5, inner bag 2 is located in burner hearth, and described burner hearth bottom fixes refractory brick, refractory brick is fixed with drum-shaped stainless steel inner container 2, inner bag 2 is opening up, and high-strength refractory brick has enough intensity to bear pressure, has again good resistance to elevated temperatures.Described bell 3 is installed with blower fan apparatus 7, suspension bracket 8, manual valve 9, fill shielding gas pipe 11, vacuum-pumping tube 12, the screw lift structure 13 that described body of heater 1 and bell 3 are installed, for opening and closed bell 3 and body of heater 1, sealing-ring is provided with between bell 3 and inner bag 2, by the screw lift structure 13 that body of heater 1 and bell 3 are installed, lifting, open and close bell 3, can by bell 3 fixed cap on burner hearth and inner bag 2, cover tightly burner hearth opening, be combined between bell 3 and inner bag 2 and be provided with sealing-ring, sealing inner container 2 opening, guarantee that inner bag 2 vacuumizes to carry out annealing without non-oxidation, bell 3 can be opened after workpiece has been annealed, take out workpiece.Suspension bracket 8 fixing on bell 3, plays assistance for lifting, keying bell 3 acts on.Due to the vacuum-pumping tube 12 on bell 3 being connected with water conservation system 14, opening manual valve 9 and carry out high-temperature vacuum and bleed, the vacuum pump be connected with vacuum-pumping tube 12 by water conservation system 14 protection.Burner hearth surrounding is fixed with support 15, and an electric heating element 16 is fixed on support 15; Furnace lining 6 is made for high-temperature fibre material, makes the lightweight of whole body of heater 1, heatproof better effects if.Fill shielding gas pipe 11 be provided with magnetic valve 10, tensimeter, under meter for control be filled with shielding gas.
Claims (5)
1. a well vacuum stove, comprise body of heater (1), inner bag (2) and bell (3), described body of heater (1) comprises furnace base (4), furnace shell (5) and furnace lining (6), described furnace shell (5) is fixed on furnace base (4), the burner hearth that in described furnace shell, (5) have furnace lining (6) to surround, inner bag (2) is located in burner hearth, described bell (3) is fixed with blower fan apparatus (7), suspension bracket (8), manual valve (9), fill shielding gas pipe (11), vacuum-pumping tube (12), described body of heater (1) and the upper screw lift structure (13) installed of bell (3), for opening and closed bell (3) and body of heater (1), sealing-ring is provided with between bell (3) and inner bag (2), it is characterized in that: the vacuum-pumping tube (12) on described bell (3) is connected with water conservation system (14), open manual valve (9) to carry out high-temperature vacuum and bleed, by the vacuum pump that water conservation system (14) protection is connected with vacuum-pumping tube (12).
2. a kind of well vacuum stove according to claim 1, it is characterized in that: described burner hearth surrounding is fixed with support (15), an electric heating element (16) is fixed on support (15).
3. a kind of well vacuum stove according to claim 1, is characterized in that: described furnace lining (6) is made for high-temperature fibre material.
4. a kind of well vacuum stove according to claim 1, is characterized in that: the described shielding gas pipe (11) that fills is provided with tensimeter, under meter, magnetic valve (10), manual valve (9).
5. a kind of well vacuum stove according to claim 1, is characterized in that: described vacuum-pumping tube (12) is provided with magnetic valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676759.6A CN105200207A (en) | 2015-10-20 | 2015-10-20 | Well-type vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676759.6A CN105200207A (en) | 2015-10-20 | 2015-10-20 | Well-type vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105200207A true CN105200207A (en) | 2015-12-30 |
Family
ID=54948161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510676759.6A Pending CN105200207A (en) | 2015-10-20 | 2015-10-20 | Well-type vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105200207A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106636585A (en) * | 2015-11-04 | 2017-05-10 | 丹阳市康恩宁医疗器械有限公司 | Well type vacuum tempering furnace |
| CN107723437A (en) * | 2017-09-27 | 2018-02-23 | 中原特钢股份有限公司 | A kind of bar destressing special furnace |
-
2015
- 2015-10-20 CN CN201510676759.6A patent/CN105200207A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106636585A (en) * | 2015-11-04 | 2017-05-10 | 丹阳市康恩宁医疗器械有限公司 | Well type vacuum tempering furnace |
| CN107723437A (en) * | 2017-09-27 | 2018-02-23 | 中原特钢股份有限公司 | A kind of bar destressing special furnace |
| CN107723437B (en) * | 2017-09-27 | 2024-01-23 | 河南中原特钢装备制造有限公司 | Special furnace for bar destressing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |