CN201680714U - Hydrogen-vacuum protection heat treatment furnace - Google Patents
Hydrogen-vacuum protection heat treatment furnace Download PDFInfo
- Publication number
- CN201680714U CN201680714U CN2009202718213U CN200920271821U CN201680714U CN 201680714 U CN201680714 U CN 201680714U CN 2009202718213 U CN2009202718213 U CN 2009202718213U CN 200920271821 U CN200920271821 U CN 200920271821U CN 201680714 U CN201680714 U CN 201680714U
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- hydrogen
- retort
- pipeline
- valve
- protection heat
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Abstract
The utility model discloses a hydrogen-vacuum protection heat treatment furnace. Heating wires are fixed between a hearth of a furnace body and a thermal insulation layer, a thermocouple is extended into the furnace body; the main body of a retort in the retort is provided with one or more material baskets; a hydrogen pipeline, a thermocouple pipeline having the thermocouple in, a nitrogen pipeline and a vacuumizing pipeline are sealedly fixed on the upper opening of the main body, the hydrogen is connected to a hydrogen source via an electromagnetic valve; the vacuumizing pipeline is connected to the nitrogen source and a vavuum pump via the electromagnetic valve and the valve, the upper part of a top cover is sealedly fixed with a exhaust gas pipeline, the upper opening of the main body is provided with a cooling water sleeve, the top cover wall and the exhaust gas pipeline wall are provided with cooling water sleeves that are mutually communicated; the upper part of the exhaust gas pipeline is provided with the electromagnetic valve and a venting needle-valve, which has a igniter. The furnace has one or more retorts. The utility model has the advantages of automatic control, high safety and convenient operation. The retort is large in volume, material baskets can accommodate more processing components, a plurality of retorts can be alternately used, therefore, the furnace realizes circulation work, improves production efficiency and facilitates in energy saving and consumption reduction.
Description
One, technical field:
The utility model relates to a kind of hydrogen-vacuum protection heat-treatment furnace that is used to handle the electrode of electric light source products.
Two, background technology:
The degree of purity of the electrode of electric light source products requires high, need to remove impurity dirts such as surperficial greasy dirt, metal oxide, use hydrogen-burning stove to handle at present, hydrogen-burning stove comprise the inner wall belt insulation material high temperature resistant body of heater, place the body of heater center diamantane annealing in hydrogen atmosphere pipe, be wrapped on the annealing in hydrogen atmosphere pipe outer wall high temperature resistant tungsten filament and the material frame, annealing in hydrogen atmosphere Guan Yiduan is the air inlet pipe with annealing in hydrogen atmosphere pipe one, the other end is and the escape pipe of annealing in hydrogen atmosphere pipe one, on the outer wall of escape pipe cooling jacket is arranged; All there is the manual ignition device at the inlet, outlet place, and the waste gas outlet of body of heater upper end has the manual ignition device.Processed object is placed in the material frame, the material frame places in the annealing in hydrogen atmosphere pipe, opens the nitrogen valve, fully fills nitrogen in the body of heater, after catching up with most residual air, be enclosed within the exit with test tube and collect the hydrogen that exports out, then away from the hydrogen furnace igniting, if the hydrogen of lighting in the test tube has bigger ring quick-fried, illustrate that then air has not also been caught up with in the stove, in the time of will trying hydrogen in the test tube always and have only very little sound, illustrate that air has been caught up with to the greatest extent in the stove, can the work of firing point firearm.Open cooling water, connect power supply.The flame of the necessary point of observation firearm of duty must guarantee that it does not go out, otherwise easily produces blast, if igniter flame extinguishes, necessary timely inflated with nitrogen is in time driven remaining hydrogen in the body of heater away.Annealing in hydrogen atmosphere finishes and cuts off the electricity supply, and cooling is treated to close hydrogen when temperature is reduced to 400 ℃ naturally, in case of necessity, and logical nitrogen number minute.The flame of this hydrogen-burning stove igniter can not extinguish, in case extinguish the untimely nitrogen that fills, the accident of easily blasting.Diamantane annealing in hydrogen atmosphere pipe is when high temperature in the body of heater, material feeding frame parts gravity, and easy fracture, the material frame is difficult for overweight, and its volume is little.In a word, existing hydrogen-burning stove manually-operated, Artificial Control, complex operation, explosive, poor stability is in case blast produces massive losses can for people's life and property.And annealing in hydrogen atmosphere pipe easy fracture, material frame volume is little, and once processed material is few, and use and maintenance cost are high.
Three, utility model content:
The purpose of this utility model is exactly to solve now with the problems referred to above that exist in the technology, and a kind of automatic control, safe, easy to operate hydrogen-vacuum protection heat-treatment furnace are provided.
For finishing above-mentioned purpose, technical solution of the present utility model is: a kind of hydrogen-vacuum protection heat-treatment furnace, and it comprises body of heater, one or more retort, one or more material frame, vavuum pump, sources of hydrogen, hydrogen purification device, source nitrogen and electrical control cabinet; The body of heater upper end is sealed with bell, and there is burner hearth at the center, and thermal insulation layer is arranged on the inwall, and coiling is fixed with heating wire between burner hearth and the thermal insulation layer, and the heating wire two ends are connected electrical control cashier's office in a shop; Thermocouple probes in the body of heater, and its power supply is connected electrical control cashier's office in a shop, and the retort sealing places in the burner hearth; Retort comprises main body and loam cake, hollow in the main body, can place one or more material frame, sealing and fixing has Hydrogen Line, thermocouple pipeline, nitrogen pipeline and vacuum lead on its upper oral part, Hydrogen Line one port leads to retort body bottom, the Hydrogen Line another port connects the sources of hydrogen of purifying by hydrogen purification device by magnetic valve, and thermocouple places in the thermocouple pipeline; Nitrogen pipeline and vacuum lead are a pipeline, this pipeline is connected source nitrogen and vavuum pump by magnetic valve respectively with valve, digital display manometer and Pressure gauge are installed on this pipeline, perhaps nitrogen pipeline and vacuum lead are two pipelines, be connected source nitrogen and vavuum pump with valve by magnetic valve respectively, digital display manometer and Pressure gauge are installed on the vacuum lead; The loam cake top seal is fixed with exhaust piping, the main body upper oral part has cooling jacket, last tegmental wall and exhaust piping wall have the cooling jacket that interconnects, and cooling water inlet pipe and hot water outlet pipe are arranged on the cooling jacket, are separately installed with water intaking valve and outlet valve on cooling water inlet pipe and the hot water outlet pipe; Exhaust piping top is equipped with pressure-releasing electromagnetic valve, and the venting needle-valve is installed on its upper port, and there is igniter at venting needle-valve mouth place, and igniter is fixed on the igniter support on the adpting flange of loam cake; Magnetic valve, pressure-releasing electromagnetic valve and digital display manometer are connected electrical control cabinet respectively.
Above-mentioned described the utility model also comprises chilled water tank, and the inner chamber of chilled water tank and retort profile are complementary, and Qi Bishang has water jacket, and there is cooling water inlet the water jacket lower end, and there is hot water outlet the upper end.Be placed in the chilled water tank after retort after handling takes out and cool off.
Above-mentioned described igniter is an ignition, and the power supply of ignition is connected electrical control cashier's office in a shop.
Above-mentioned described the utility model also comprises the retort frame, and its inner chamber and retort profile are complementary.It is first-class to be used that retort can be placed into the retort frame.
Above-mentioned described charging basket is to be made by the Cr25Ni20 high temperature resistant steel plate of wall thickness 3mm.
Above-mentioned described digital display manometer is the digital sensor Pressure gauge, and Pressure gauge is a spring pointer Pressure gauge.
Above-mentioned described electrical control has emergency stop device cashier's office in a shop, and scram button is arranged on the emergency stop device.
To handle material and put in the material frame, will expect that frame is placed in the retort, retort is lifted in the body of heater, after the sealing installation, sets temperature heating afterwards, and it is temperature required to reach the processing component material up to furnace body temperature; Open water intaking valve and outlet valve, retort is put into stove; Vacuumize, temperature is temperature required near the processing component material in retort, stops to vacuumize; Inflated with nitrogen makes zero up to two Pressure gauges; Vacuumize after closing nitrogen valve; Fill hydrogen after stopping to vacuumize; Set the duration of ignition, the retort internal pressure surpasses atmospheric pressure 5.0kpa igniter and lights a fire automatically; Igniting is closed hydrogen after finishing; Charge into nitrogen once more, the retort internal pressure is reached about 50kpa, after exhaust outlet does not have flame, close igniter, pressure-releasing electromagnetic valve is transferred to manual state, and closes; Stop heating; Open water intaking valve, the outlet valve of chilled water tank, retort is put into the chilled water tank cooling; Be placed on after the cooling on the retort frame, get material, charging.The utlity model has following advantage: 1, the utility model is controlled the course of action of whole system with the electrical control cabinet strictness.Pressure and temperature in the control retort, when retort internal pressure, temperature exceeded setting value, alarm was just reported to the police automatically; In charging into the hydrogen process, when the retort internal pressure surpasses 5kpa (pressure-releasing electromagnetic valve is in the automatic catch state), pressure-releasing electromagnetic valve will be opened automatically, and be lighted a fire automatically by igniter, residual hydrogen in the retort be discharged retort burnout; Cooling procedure is to be in the nitrogen environment, has stopped potential safety hazard.So, of the present utility model safe, need only strict detecting instrument, instrument, the phenomenon of just can not blasting.It controls automatically, easy to operate.2, the retort volume is big, and it is many that charging basket can hold the parts of being processed, and charging basket made by the Cr25Ni20 high temperature resistant steel plate of wall thickness 3mm, is subjected to the parts gravity effect when having avoided high temperature and the charging basket that causes damages.3, a plurality of retorts can be used alternatingly, and realize cycle operation, enhance productivity, and are energy-saving and cost-reducing.4, emergency stop device.In operating process, if any urgent and fortuitous event generations such as gas leakage, press scram button, electrical control cabinet will interrupt all actions, guarantee safety.5, a digital sensor Pressure gauge and a spring pointer Pressure gauge have been installed on retort, have been guaranteed the accurate measurement of gas pressure value in the retort.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of retort in the utility model.
Five, the specific embodiment
The utility model will be further described below in conjunction with accompanying drawing:
As depicted in figs. 1 and 2, present embodiment comprises Cr25Ni20 high temperature resistant steel plate finish mix frame, vavuum pump, sources of hydrogen, hydrogen purification device, source nitrogen, chilled water tank 27, retort frame 30 and the electrical control cabinet of support 1, body of heater 2, two retorts 6, six wall thickness 3mm.Body of heater 2 upper ends are sealed with bell 7, and there is burner hearth 34 at the center, and thermal insulation layer 3 is arranged on the inwall, and coiling is fixed with heating wire 4 between burner hearth 34 and the thermal insulation layer 3, and heating wire 4 two ends are connected electrical control cashier's office in a shop.Thermocouple 24 probes in the body of heater 2, and its power supply is connected electrical control cashier's office in a shop, and one of them retort 6 sealing places in the burner hearth, and another retort 6 places in the retort frame 30 stand-by.Retort 6 comprises main body 35 and loam cake 11.Hollow in the main body 35, place three material frames, sealing and fixing has Hydrogen Line 33, thermocouple pipeline 36, nitrogen pipeline and vacuum lead 23 on its upper oral part, Hydrogen Line 33 and thermocouple pipeline 36 1 ports lead to retort body 35 bottoms, Hydrogen Line 33 another port connect the sources of hydrogen of purifying by hydrogen purification device by magnetic valve 10, and thermocouple 9 places in the thermocouple pipeline 36.Nitrogen pipeline and vacuum lead 23 are a pipeline, and this pipeline 23 is connected source nitrogen and vavuum pump by magnetic valve 29 with valve 22 respectively, and digital sensor Pressure gauge 20 and spring pointer Pressure gauge 21 are installed on this pipeline 23.Loam cake 11 top seals are fixed with exhaust piping 17, main body 35 upper oral parts have cooling jacket 32, there is the cooling jacket 31 that interconnects loam cake 11 walls and exhaust piping 17 wall middle and lower parts, cooling water inlet pipe 13,8 and hot water outlet pipe 18,19 are arranged on the cooling jacket 31,32, be separately installed with water intaking valve and outlet valve on cooling water inlet pipe 13,8 and the hot water outlet pipe 18,19.Exhaust piping 17 tops are equipped with pressure-releasing electromagnetic valve 16, and venting needle-valve 15 is installed on its upper port, and there is ignition 14 at venting needle-valve 15 mouthfuls of places, and ignition 14 is fixed on the igniter support 12 on the adpting flange of loam cake 11.The power supply of magnetic valve 10,29, pressure-releasing electromagnetic valve 16, ignition 14 is connected electrical control cabinet respectively with digital sensor Pressure gauge 20.The inner chamber of chilled water tank 27 and retort 6 profiles are complementary, and Qi Bishang has water jacket 26, and there is cooling water inlet 25 water jacket 26 lower ends, and there is hot water outlet 28 upper end.Retort frame 30 inner chambers and retort 6 profiles are complementary.Electrical control has emergency stop device cashier's office in a shop, and scram button is arranged on the emergency stop device.
Claims (10)
1. hydrogen-vacuum protection heat-treatment furnace, it is characterized in that: it comprises body of heater (2), one or more retort (6), one or more material frame, vavuum pump, sources of hydrogen, hydrogen purification device, source nitrogen and electrical control cabinet; Body of heater (2) upper end is sealed with bell (7), and there is burner hearth (34) at the center, and thermal insulation layer (3) is arranged on the inwall, and coiling is fixed with heating wire (4) between burner hearth (34) and the thermal insulation layer (3), and heating wire (4) two ends are connected electrical control cashier's office in a shop; Thermocouple (24) probes in the body of heater (2), and its power supply is connected electrical control cashier's office in a shop, and retort (6) sealing places in the burner hearth (34); Retort (6) comprises main body (35) and loam cake (11), the interior hollow of main body (35), can place one or more material frame, sealing and fixing has Hydrogen Line (33), thermocouple pipeline (36), nitrogen pipeline and vacuum lead (23) on its upper oral part, Hydrogen Line (33) one ports lead to retort body (35) bottom, Hydrogen Line (33) another port connects the sources of hydrogen of purifying by hydrogen purification device by magnetic valve (10), and thermocouple (9) places in the thermocouple pipeline (36); Nitrogen pipeline and vacuum lead (23) are a pipeline, this pipeline (23) is connected source nitrogen and vavuum pump by magnetic valve (29) with valve (22) respectively, this pipeline is equipped with digital display manometer and Pressure gauge on (23), perhaps nitrogen pipeline and vacuum lead are two pipelines, be connected source nitrogen and vavuum pump with valve by magnetic valve respectively, digital display manometer and Pressure gauge are installed on the vacuum lead; Loam cake (11) top seal is fixed with exhaust piping (17), main body (35) upper oral part has cooling jacket (32), loam cake (11) wall and exhaust piping (17) wall have the cooling jacket (31) that interconnects, cooling water inlet pipe (13,8) and hot water outlet pipe (18,19) are arranged on cooling jacket (31), (32), be separately installed with water intaking valve and outlet valve on cooling water inlet pipe (13,8) and the hot water outlet pipe (18,19); Exhaust piping (17) top is equipped with pressure-releasing electromagnetic valve (16), and venting needle-valve (15) is installed on its upper port, and venting needle-valve (15) mouthful place has igniter, igniter to be fixed on the igniter support (12) on the adpting flange of loam cake (11); Magnetic valve (10,29), pressure-releasing electromagnetic valve (16) are connected electrical control cabinet respectively with digital display manometer.
2. hydrogen according to claim 1-vacuum protection heat-treatment furnace; it is characterized in that: it also comprises chilled water tank (27); the inner chamber of chilled water tank (27) and retort (6) profile are complementary; water jacket (26) is arranged on its wall; there is cooling water inlet (25) water jacket (26) lower end, and there is hot water outlet (28) upper end.
3. according to claim 1 or 2 described hydrogen-vacuum protection heat-treatment furnaces, it is characterized in that: it also comprises retort frame (30), and retort frame (30) inner chamber and retort (6) profile are complementary.
4. hydrogen according to claim 3-vacuum protection heat-treatment furnace is characterized in that: described igniter is ignition (14), and the power supply of ignition (14) is connected electrical control cashier's office in a shop.
5. according to claim 1 or 2 described hydrogen-vacuum protection heat-treatment furnaces, it is characterized in that: described igniter is ignition (14), and the power supply of ignition (14) is connected electrical control cashier's office in a shop.
6. hydrogen according to claim 4-vacuum protection heat-treatment furnace is characterized in that: described digital display manometer is digital sensor Pressure gauge (20), and Pressure gauge is a spring pointer Pressure gauge (21).
7. hydrogen according to claim 5-vacuum protection heat-treatment furnace is characterized in that: described digital display manometer is digital sensor Pressure gauge (20), and Pressure gauge is a spring pointer Pressure gauge (21).
8. hydrogen according to claim 6-vacuum protection heat-treatment furnace is characterized in that: described electrical control has emergency stop device cashier's office in a shop, and scram button is arranged on the emergency stop device.
9. hydrogen according to claim 7-vacuum protection heat-treatment furnace is characterized in that: described electrical control has emergency stop device cashier's office in a shop, and scram button is arranged on the emergency stop device.
10. hydrogen according to claim 8-vacuum protection heat-treatment furnace is characterized in that: described charging basket is to be made by the Cr25Ni20 high temperature resistant steel plate of wall thickness 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202718213U CN201680714U (en) | 2009-11-19 | 2009-11-19 | Hydrogen-vacuum protection heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202718213U CN201680714U (en) | 2009-11-19 | 2009-11-19 | Hydrogen-vacuum protection heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201680714U true CN201680714U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202718213U Expired - Fee Related CN201680714U (en) | 2009-11-19 | 2009-11-19 | Hydrogen-vacuum protection heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201680714U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423994A (en) * | 2013-09-11 | 2013-12-04 | 盐城市盛逸化纤机械有限公司 | High-frequency induction type vacuum cleaning furnace |
| CN103937953A (en) * | 2014-04-29 | 2014-07-23 | 常州市新城光大热处理有限公司 | Efficient heat treatment furnace |
| CN105950836A (en) * | 2016-07-07 | 2016-09-21 | 侯马市隆成电光源材料有限公司 | Hydrogen annealing device |
| CN111187891A (en) * | 2020-02-20 | 2020-05-22 | 舟山市7412工厂 | Heat treatment method of part |
-
2009
- 2009-11-19 CN CN2009202718213U patent/CN201680714U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423994A (en) * | 2013-09-11 | 2013-12-04 | 盐城市盛逸化纤机械有限公司 | High-frequency induction type vacuum cleaning furnace |
| CN103937953A (en) * | 2014-04-29 | 2014-07-23 | 常州市新城光大热处理有限公司 | Efficient heat treatment furnace |
| CN103937953B (en) * | 2014-04-29 | 2015-11-18 | 常州市新城光大热处理有限公司 | Efficient heat treatment furnace |
| CN105950836A (en) * | 2016-07-07 | 2016-09-21 | 侯马市隆成电光源材料有限公司 | Hydrogen annealing device |
| CN111187891A (en) * | 2020-02-20 | 2020-05-22 | 舟山市7412工厂 | Heat treatment method of part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20131119 |