CN203744716U - Quick quenching tube heating furnace for laboratory and with protective atmosphere - Google Patents
Quick quenching tube heating furnace for laboratory and with protective atmosphere Download PDFInfo
- Publication number
- CN203744716U CN203744716U CN201320884969.0U CN201320884969U CN203744716U CN 203744716 U CN203744716 U CN 203744716U CN 201320884969 U CN201320884969 U CN 201320884969U CN 203744716 U CN203744716 U CN 203744716U
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- tube
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Abstract
The utility model discloses a quick quenching tube heating furnace for a laboratory and with a protective atmosphere. The quick quenching tube heating furnace comprises a furnace shell, a heating thermal insulating mechanism and a sealing mechanism. The heating thermal insulating mechanism is arranged in the furnace shell, the furnace shell comprises a shell tube, a right end cover, a left end flange tube, a rectangular flange tube, a lower sealing tube and a vacuum chamber shell tube, the vacuum chamber shell tube is welded onto the shell tube and a vacuum chamber is formed between the inner wall of the vacuum chamber shell tube and the outer wall of the furnace shell. The right end cover and the left end flange tube are welded to the two ends of the shell tube respectively, and the lower sealing tube is welded to the lower side of the shell tube and is close to the right end cover. The rectangular flange tube is welded to the right end cover and communicated with the lower sealing tube. Through the mode, the quick quenching tube heating furnace enables material samples to be soaked into a quenching pool containing quenching media in the shortest time during quenching of the material samples and the quenching effect is guaranteed; the quenching operation is safe, few material samples are exposed in the air, and therefore oxidization of the material samples is reduced.
Description
Technical field
The utility model relates to heating furnace field, particularly relates to a kind of rapid quenching tubular heater of use for laboratory band protective atmosphere.
Background technology
Heat treatment is the important means of improving material property, and tubular heater is the conventional firing equipment in laboratory, can make material after vacuumizing or vacuumizing in the environment of inert gas shielding heating and insulation and make material avoid oxidation and pollute.Existing tubular heater is normally used an Al
2o
3earthenware horizontal positioned, the mid portion of pipe is positioned at the thermal treatment zone, and pipe two ends use respectively lightweight refracrory heat insulation.In the time that heated material quenches, close stove power supply, material is taken out and is put into the quenching bath that hardening media is housed with the fastest speed from one end of pipe, because the general pipe diameter of tube furnace is less, heated material is again high temperature, manual one end of shifting or moving to material onto pipe from the centre of pipe is slower, and to first take the heat insulation being placed in pipe away before taking out material, because pipe is longer, take out heat insulation and material sample pull-out or release need to be longer time, therefore, material sample is lowered the temperature more in this process, affect quenching effect, in addition, from one end pull-out or the release material sample of pipe, operating personnel need to be in the face of the high temperature of heat insulation fast and material sample, dangerous.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of rapid quenching tubular heater of use for laboratory band protective atmosphere, can make material sample be quenched time, can immerse the quenching bath that hardening media is housed with the shortest time, ensures quenching effect; Hardening step safety, material sample, before dip quench pond, does not need material sample to take outside stove, and material sample is dipped vertically into quenching bath, is seldom exposed in air, has reduced the oxidation of material sample; Insulation layer thickness attenuate, the thermal efficiency improves; When quenching, heat insulation does not need to take out, and only need pull out a segment distance, has reduced the time of operation, has increased the security of operation.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the rapid quenching tubular heater that a kind of use for laboratory band protective atmosphere is provided, comprise: stove outer covering, heating and thermal insulation mechanism and sealing mechanism, heating and thermal insulation mechanism is located in stove outer covering; Described stove outer covering comprises display pipe, right end cap, left end flanged pipe, rectangular flange pipe, lower seal pipe and vacuum chamber housing pipe, and described vacuum chamber housing pipe is welded on display pipe, between the inwall of vacuum chamber housing pipe and the outer wall of stove outer covering, forms vacuum chamber; Described right end cap and left end flanged pipe are welded on respectively display pipe two ends, and described lower seal pipe is welded on display pipe downside and close described right end cap; Described rectangular flange pipe is welded on right end cap, and rectangular flange pipe is communicated with described lower seal pipe; Described sealing mechanism comprises the first sealing mechanism, the second sealing mechanism and the 3rd sealing mechanism, and the first sealing mechanism, the second sealing mechanism and the 3rd sealing mechanism are separately fixed on described rectangular flange pipe, left end flanged pipe and lower seal pipe.
Preferably, described heating and thermal insulation mechanism comprises alumina ceramic tube, stove silk, thermocouple, seal nipple, the first heat insulation and the second heat insulation, described alumina ceramic tube is arranged in described display pipe, between alumina ceramic tube outer wall and display pipe inwall, forms heat-insulation layer; Described alumina ceramic tube one end and described left end flanged pipe are connected, alumina ceramic tube other end below has breach, indentation, there is communicated with described lower seal pipe and rectangular flange pipe, and the interlude of described alumina ceramic tube outer wall has semicircular spiral furnace thread trough; Described seal nipple is fixed on right end cap, and described stove silk puts in stove outer covering by seal nipple, and the stove filament winding in stove outer covering is on alumina ceramic tube and be stuck in described spiral furnace thread trough; Described thermocouple stretches in described alumina ceramic tube by seal nipple, and the thermocouple at seal nipple place and stove silk are fixed on described seal nipple by high-temperature insulation resin-cast; Described the first heat insulation is arranged in alumina ceramic tube, and described the second heat insulation is arranged in described rectangular flange pipe.
Preferably, described the first sealing mechanism comprises the first seal cover and seal cover adapter, and described seal cover adapter comprises adpting flange and be fixed on the thread spindle on adpting flange, and adpting flange is bolted on the end face of described rectangular flange pipe; Described the first seal cover inwall is provided with screw thread, and the thread spindle of the first seal cover and seal cover adapter is threaded connection; Between the first seal cover and seal cover adapter and between seal cover adapter and rectangular flange pipe, be equipped with sealing gasket, sealing gasket is made up of high-temperature resistant rubber.
Preferably, described the second sealing mechanism comprises the second seal cover, the second metal spacer and the second sealing shroud, and the second seal cover is provided with valve; Described the second sealing shroud is welded on described left end flanged pipe, described the second metal spacer is enclosed within on the left end flanged pipe between described the second sealing shroud and left end flanged pipe, described the second seal cover is fixed by screw and the second sealing shroud, between the second seal cover and the second metal spacer and between the second metal spacer and the second sealing shroud, be equipped with sealing ring, sealing ring is made up of high-temperature resistant rubber.
Preferably, described the 3rd sealing mechanism comprises the 3rd seal cover, the 3rd metal spacer and the 3rd sealing shroud, and the 3rd seal cover is provided with valve; Described the 3rd sealing shroud is welded on described lower seal pipe, described the 3rd metal spacer is enclosed within on the lower seal pipe between described the 3rd sealing shroud and lower seal pipe, described the 3rd seal cover is fixed by screw and the 3rd sealing shroud, between the 3rd seal cover and the 3rd metal spacer and between the 3rd metal spacer and the 3rd sealing shroud, be equipped with sealing ring, sealing ring is made up of high-temperature resistant rubber.
Preferably, described vacuum chamber housing pipe is provided with valve.
Preferably, on described the first heat insulation and the second heat insulation, be all fixed with drag hook, described the second heat insulation length is greater than the internal diameter of described lower seal pipe.
Preferably, the below of corresponding described lower seal pipe is provided with quenching bath, is provided with hardening media in quenching bath.
Preferably, described stove silk has two, between two stove silks, insulate out by earthenware.
Preferably, in described heat-insulation layer, be filled with insulation material.
The beneficial effects of the utility model are: the utility model has improved quenching effect, and have ensured the security of operation.
Brief description of the drawings
Fig. 1 is the structural representation of the rapid quenching tubular heater of a kind of use for laboratory band of the utility model protective atmosphere;
Fig. 2 is the A-A schematic cross-section of the rapid quenching tubular heater of a kind of use for laboratory band of the utility model protective atmosphere.
In accompanying drawing, the mark of each parts is as follows: 1, display pipe; 2, right end cap; 3, left end flanged pipe; 4, rectangular flange pipe; 5, lower seal pipe; 6, vacuum chamber housing pipe; 7, alumina ceramic tube; 8, stove silk; 9, thermocouple; 10, seal nipple; 11, the first heat insulation; 12, the second heat insulation; 13, the first seal cover; 14, seal cover adapter; 15, the second seal cover; 16, the second metal spacer; 17, the second sealing shroud; 18, the 3rd seal cover; 19, the 3rd metal spacer; 20, the 3rd sealing shroud; 21, quenching bath; 61, vacuum chamber; 71, heat-insulation layer.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Refer to Fig. 1 and Fig. 2, the utility model embodiment comprises:
A rapid quenching tubular heater for use for laboratory band protective atmosphere, comprising: stove outer covering, heating and thermal insulation mechanism and sealing mechanism, and heating and thermal insulation mechanism is located in stove outer covering; Described stove outer covering comprises display pipe 1, right end cap 2, left end flanged pipe 3, rectangular flange pipe 4, lower seal pipe 5 and vacuum chamber housing pipe 6, described vacuum chamber housing pipe 6 is welded on display pipe 1, between the outer wall of the inwall of vacuum chamber housing pipe 6 and stove outer covering 1, form vacuum chamber 61, the interaction energy of vacuum chamber reduces the thickness of heat-insulation layer, the thermal efficiency improves, also reduced the overall volume of body of heater, described vacuum chamber housing pipe 6 is provided with valve; Described right end cap 2 and left end flanged pipe 3 are welded on respectively display pipe 1 two ends, and described lower seal pipe 5 is welded on display pipe 1 downside and close described right end cap 2; Described rectangular flange pipe 4 is welded on right end cap 2, and rectangular flange pipe 4 is communicated with described lower seal pipe 5; Described sealing mechanism comprises the first sealing mechanism, the second sealing mechanism and the 3rd sealing mechanism, and the first sealing mechanism, the second sealing mechanism and the 3rd sealing mechanism are separately fixed on described rectangular flange pipe 4, left end flanged pipe 3 and lower seal pipe 5; The below of corresponding described lower seal pipe 5 is provided with quenching bath 21, in quenching bath 21, is provided with hardening media.
Described heating and thermal insulation mechanism comprises alumina ceramic tube 7, stove silk 8, thermocouple 9, seal nipple 10, the first heat insulation 11 and the second heat insulation 12, described alumina ceramic tube 7 is arranged in described display pipe 1, between alumina ceramic tube 7 outer walls and display pipe 1 inwall, form heat-insulation layer 71, in heat-insulation layer 71, be filled with insulation material; Described alumina ceramic tube 7 one end and described left end flanged pipe 3 are connected, alumina ceramic tube 7 other end belows have breach, indentation, there is communicated with described lower seal pipe 5 and rectangular flange pipe 4, and the interlude of described alumina ceramic tube 7 outer walls has semicircular spiral furnace thread trough; Described seal nipple 10 is fixed on right end cap 2, described stove silk 8 has two, between two stove silks 8, insulate out by earthenware, two stove silks 8 put in stove outer covering 1 by seal nipple 10, and the stove silk 8 in stove outer covering 1 is on alumina ceramic tube 7 and be stuck in described spiral furnace thread trough; Described thermocouple 9 stretches in described alumina ceramic tube 7 by seal nipple 10, and the thermocouple 9 at seal nipple 10 places and stove silk 8 are fixed on described seal nipple 10 by high-temperature insulation resin-cast; Described the first heat insulation 11 is arranged in alumina ceramic tube 7, described the second heat insulation 12 is arranged in described rectangular flange pipe 4, on described the first heat insulation 11 and the second heat insulation 12, be all fixed with drag hook, described the second heat insulation 12 length are greater than the internal diameter of described lower seal pipe 5, the second heat insulation 12 can seal lower seal pipe 5, rectangular flange pipe 4 and alumina ceramic tube 7 while moving on to position shown in Fig. 1, and the second heat insulation 12 can not fall down.
Described the first sealing mechanism comprises the first seal cover 13 and seal cover adapter 14, and described seal cover adapter 14 comprises adpting flange and be fixed on the thread spindle on adpting flange, and adpting flange is bolted on the end face of described rectangular flange pipe 4; Described the first seal cover 13 inwalls are provided with screw thread, and the first seal cover 13 is threaded connection with the thread spindle of seal cover adapter 14; Between the first seal cover 13 and seal cover adapter 14 and between seal cover adapter 14 and rectangular flange pipe 4, be equipped with sealing gasket, sealing gasket is made up of high-temperature resistant rubber; Described the second sealing mechanism comprises that the second seal cover 15, the second metal spacer 16 and the second sealing shroud 17, the second seal covers 15 are provided with valve; Described the second sealing shroud 17 is welded on described left end flanged pipe 3, described the second metal spacer 16 is enclosed within on the left end flanged pipe 3 between described the second sealing shroud 17 and left end flanged pipe 3, described the second seal cover 15 is fixing by screw and the second sealing shroud 17, between the second seal cover 15 and the second metal spacer 16 and between the second metal spacer 16 and the second sealing shroud 17, be equipped with sealing ring, sealing ring is made up of high-temperature resistant rubber; Described the 3rd sealing mechanism comprises that the 3rd seal cover 18, the 3rd metal spacer 19 and the 3rd sealing shroud 20, the three seal covers 18 are provided with valve; Described the 3rd sealing shroud 20 is welded on described lower seal pipe 5, described the 3rd metal spacer 19 is enclosed within on the lower seal pipe 5 between described the 3rd sealing shroud 20 and lower seal pipe 5, described the 3rd seal cover 18 is fixing by screw and the 3rd sealing shroud 20, between the 3rd seal cover 18 and the 3rd metal spacer 19 and between the 3rd metal spacer 19 and the 3rd sealing shroud 20, be equipped with sealing ring, sealing ring is made up of high-temperature resistant rubber.
Operation principle of the present utility model and process are as follows:
In conjunction with the heating furnace structure shown in Fig. 1, the course of work of heating furnace is described:
One, place material sample
Before material sample is not put heating furnace into, the first seal cover 13 of the first hermetically-sealed construction, the second seal cover 15 of the second sealing mechanism and the 3rd seal cover 18 of the 3rd hermetically-sealed construction state in not connecting, the first heat insulation 11 is outside stove, and the second heat insulation 12 is in position as shown in Figure 1 or be pulled to right side.Need to quench to material sample time, first material sample is put on porcelain boat, then uses the middle position of with the push rod of scale, material sample being delivered to heating furnace heating region, i.e. the interlude of alumina ceramic tube 7; Then shift the first heat insulation 11 and the second heat insulation 12 onto position as shown in Figure 1; Successively the first seal cover 13, the second seal cover 15, the three seal covers 18 are connected again, make its in the situation that of valve closing in sealing state, the external inert gas source of flexible pipe for valve on the second seal cover 15.
Two, material sample heating
Before to material sample heating, vacuum chamber 61 is vacuumized, to improve heat insulation effect.Need to heat material sample time, first set heating and insulation program, then start power supply, can open inert gas valve, adjust gas flow so that material sample is protected simultaneously.
Three, quench
In the time that the heating of material sample and temperature retention time reach requiring of setting, can become flexible fast and remove the first seal cover 13, the second seal cover 15 and the 3rd seal cover 18, and then pull open fast the second heat insulation 12 to the right with pull bar, promote material sample and porcelain boat thereof to the right with push rod simultaneously, material sample is equipped with the quenching bath 21 of hardening media from straight immersion of lower seal pipe vertical 5 together with porcelain boat, reaches the object of rapid quenching.
When the utility model can make material sample be quenched, can immerse the quenching bath that hardening media is housed with the shortest time, ensure quenching effect; Hardening step safety, material sample, before dip quench pond, does not need material sample to take outside stove, and material sample is dipped vertically into quenching bath, is seldom exposed in air, has reduced the oxidation of material sample; Insulation layer thickness attenuate, the thermal efficiency improves; When quenching, heat insulation does not need to take out, and only need pull out a segment distance, has reduced the time of operation, has increased the security of operation.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a rapid quenching tubular heater for use for laboratory band protective atmosphere, is characterized in that, comprising: stove outer covering, heating and thermal insulation mechanism and sealing mechanism, and heating and thermal insulation mechanism is located in stove outer covering; Described stove outer covering comprises display pipe, right end cap, left end flanged pipe, rectangular flange pipe, lower seal pipe and vacuum chamber housing pipe, and described vacuum chamber housing pipe is welded on display pipe, between the inwall of vacuum chamber housing pipe and the outer wall of stove outer covering, forms vacuum chamber; Described right end cap and left end flanged pipe are welded on respectively display pipe two ends, and described lower seal pipe is welded on display pipe downside and close described right end cap; Described rectangular flange pipe is welded on right end cap, and rectangular flange pipe is communicated with described lower seal pipe; Described sealing mechanism comprises the first sealing mechanism, the second sealing mechanism and the 3rd sealing mechanism, and the first sealing mechanism, the second sealing mechanism and the 3rd sealing mechanism are separately fixed on described rectangular flange pipe, left end flanged pipe and lower seal pipe.
2. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 1, it is characterized in that: described heating and thermal insulation mechanism comprises alumina ceramic tube, stove silk, thermocouple, seal nipple, the first heat insulation and the second heat insulation, described alumina ceramic tube is arranged in described display pipe, between alumina ceramic tube outer wall and display pipe inwall, forms heat-insulation layer; Described alumina ceramic tube one end and described left end flanged pipe are connected, alumina ceramic tube other end below has breach, indentation, there is communicated with described lower seal pipe and rectangular flange pipe, and the interlude of described alumina ceramic tube outer wall has semicircular spiral furnace thread trough; Described seal nipple is fixed on right end cap, and described stove silk puts in stove outer covering by seal nipple, and the stove filament winding in stove outer covering is on alumina ceramic tube and be stuck in described spiral furnace thread trough; Described thermocouple stretches in described alumina ceramic tube by seal nipple, and the thermocouple at seal nipple place and stove silk are fixed on described seal nipple by high-temperature insulation resin-cast; Described the first heat insulation is arranged in alumina ceramic tube, and described the second heat insulation is arranged in described rectangular flange pipe.
3. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 1, it is characterized in that: described the first sealing mechanism comprises the first seal cover and seal cover adapter, described seal cover adapter comprises adpting flange and be fixed on the thread spindle on adpting flange, and adpting flange is bolted on the end face of described rectangular flange pipe; Described the first seal cover inwall is provided with screw thread, and the thread spindle of the first seal cover and seal cover adapter is threaded connection; Between the first seal cover and seal cover adapter and between seal cover adapter and rectangular flange pipe, be equipped with sealing gasket, sealing gasket is made up of high-temperature resistant rubber.
4. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 1, is characterized in that: described the second sealing mechanism comprises the second seal cover, the second metal spacer and the second sealing shroud, and the second seal cover is provided with valve; Described the second sealing shroud is welded on described left end flanged pipe, described the second metal spacer is enclosed within on the left end flanged pipe between described the second sealing shroud and left end flanged pipe, described the second seal cover is fixed by screw and the second sealing shroud, between the second seal cover and the second metal spacer and between the second metal spacer and the second sealing shroud, be equipped with sealing ring, sealing ring is made up of high-temperature resistant rubber.
5. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 1, is characterized in that: described the 3rd sealing mechanism comprises the 3rd seal cover, the 3rd metal spacer and the 3rd sealing shroud, and the 3rd seal cover is provided with valve; Described the 3rd sealing shroud is welded on described lower seal pipe, described the 3rd metal spacer is enclosed within on the lower seal pipe between described the 3rd sealing shroud and lower seal pipe, described the 3rd seal cover is fixed by screw and the 3rd sealing shroud, between the 3rd seal cover and the 3rd metal spacer and between the 3rd metal spacer and the 3rd sealing shroud, be equipped with sealing ring, sealing ring is made up of high-temperature resistant rubber.
6. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 1, is characterized in that: described vacuum chamber housing pipe is provided with valve.
7. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 2, is characterized in that: on described the first heat insulation and the second heat insulation, be all fixed with drag hook, described the second heat insulation length is greater than the internal diameter of described lower seal pipe.
8. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 1, is characterized in that: the below of corresponding described lower seal pipe is provided with quenching bath, is provided with hardening media in quenching bath.
9. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 2, is characterized in that: described stove silk has two, between two stove silks, insulate out by earthenware.
10. the rapid quenching tubular heater of a kind of use for laboratory band protective atmosphere according to claim 2, is characterized in that: in described heat-insulation layer, be filled with insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884969.0U CN203744716U (en) | 2013-12-31 | 2013-12-31 | Quick quenching tube heating furnace for laboratory and with protective atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884969.0U CN203744716U (en) | 2013-12-31 | 2013-12-31 | Quick quenching tube heating furnace for laboratory and with protective atmosphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744716U true CN203744716U (en) | 2014-07-30 |
Family
ID=51344506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884969.0U Withdrawn - After Issue CN203744716U (en) | 2013-12-31 | 2013-12-31 | Quick quenching tube heating furnace for laboratory and with protective atmosphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673611A (en) * | 2013-12-31 | 2014-03-26 | 苏州市职业大学 | Rapid quenching tube type heating furnace having protecting atmosphere in laboratory |
-
2013
- 2013-12-31 CN CN201320884969.0U patent/CN203744716U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673611A (en) * | 2013-12-31 | 2014-03-26 | 苏州市职业大学 | Rapid quenching tube type heating furnace having protecting atmosphere in laboratory |
| CN103673611B (en) * | 2013-12-31 | 2015-12-09 | 苏州市职业大学 | A kind of rapid quenching tubular heater of use for laboratory band protective atmosphere |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |