CN110243173A - Full-automatic hydrogen reducing furnace - Google Patents
Full-automatic hydrogen reducing furnace Download PDFInfo
- Publication number
- CN110243173A CN110243173A CN201910360118.8A CN201910360118A CN110243173A CN 110243173 A CN110243173 A CN 110243173A CN 201910360118 A CN201910360118 A CN 201910360118A CN 110243173 A CN110243173 A CN 110243173A
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- Prior art keywords
- hydrogen
- pipe
- nitrogen
- boiler tube
- water
- Prior art date
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 62
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 62
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 14
- 238000005538 encapsulation Methods 0.000 claims abstract description 13
- 238000005273 aeration Methods 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 29
- 239000010935 stainless steel Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000007769 metal material Substances 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/045—Furnaces with controlled atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/26—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
- F27B2009/382—Charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/16—Treatment involving a chemical reaction
- F27M2003/165—Reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of full-automatic hydrogen reducing furnaces, and including the boiler tube through heating furnace setting, a nozzle of steel stove pipe is sealed by high temperature resistant pipe plug, and the air inlet pipe communicated with boiler tube is provided with through high temperature resistant pipe plug；Air inlet pipe is connected to by Hydrogen Line, nitrogen pipeline and vacuum lead with hydrogen source, source nitrogen and vacuum pump, and pressure sensor and digital display vacuum meter are provided in air inlet pipe；Hydrogen flowmeter, nitrogen stream meter and nitrogen aeration valve are provided on Hydrogen Line, nitrogen pipeline；Another nozzle of boiler tube extends except heating furnace and by encapsulation flangeseal, and mixed gas delivery pipe and hydrogen discharge pipe are provided on the boiler tube extended except heating furnace, is provided with glow plug on mixed gas delivery pipe.The invention has the advantages that realizing that metal material is sintered and not oxidized automation control under vacuum, atmosphere protection environment, while operation of the present invention is convenient.
Description
Technical field
The present invention relates to heating furnaces, more particularly, to full-automatic hydrogen reducing furnace.
Background technique
The process of most metals material sintering oxidation under high temperature environment is very fast, in protective gas atmosphere, reduction
Sintering can be effectively prevented the oxidation of metal material under atmosphere.Hydrogen is the strong gas of reproducibility, while being very again
Dangerous gas.Therefore, there is certain risk using hydrogen as the reducing gas of heating furnace, how improves hydrogen reducing furnace
Safety and automatization level, be the project that those skilled in the art study always.
Summary of the invention
It is an object of that present invention to provide a kind of full-automatic hydrogen reducing furnaces, by the Automated water for improving hydrogen reducing furnace
It is flat, realize the safe and reliable operation of hydrogen reducing furnace.
To achieve the above object, the present invention takes following technical proposals:
Full-automatic hydrogen reducing furnace of the present invention runs through the heating furnace including horizontally disposed heating furnace on the rack
The stainless steel boiler tube of thorax setting, a nozzle of the stainless steel boiler tube are sealed by high temperature resistant pipe plug, run through the high-temperature resistant tube
It is stifled to be provided with the air inlet pipe communicated with stainless steel boiler tube inner cavity；The air inlet pipe passes through Hydrogen Line, nitrogen pipeline and pumping respectively
Vacuum pipe is corresponding with hydrogen source, source nitrogen and vacuum pump to be connected to, and is provided with pressure sensor and digital display vacuum meter in air inlet pipe；
It is respectively corresponded on the Hydrogen Line, nitrogen pipeline and is provided with hydrogen flowmeter, nitrogen stream meter and nitrogen aeration valve；Stainless steel
Another nozzle of boiler tube extends except heating furnace and by encapsulation flangeseal, positioned at extending except heating furnace
Mixed gas delivery pipe and hydrogen discharge pipe are provided on stainless steel boiler tube, on the mixed gas delivery pipe and hydrogen discharge pipe
It is respectively arranged with mixed gas drain valve and hydrogen gas exhaust valve, is provided with glow plug on mixed gas delivery pipe；Positioned at extending
The first water-cooled jacket and the second water-cooled jacket, mixed gas delivery pipe hermetically passing are set on stainless steel boiler tube except heating furnace
Second water-cooled jacket is connected to the mixed gas drain valve, the hydrogen discharge seal of tube pass through second water-cooled jacket with
The hydrogen gas exhaust valve connection；It is provided with to be driven by power buffer gear through encapsulation flange disk hole mouth sliding and move back and forth
Follower arm, one end that the follower arm is located in stainless steel boiler tube is provided with material containing disk, is provided with thermoelectricity on the material containing disk
It is even.
The power buffer gear is made of stepper motor, screw pair and upper opening buffing pad；The stepper motor
Power output shaft is connect by shaft coupling with the lead screw of the screw pair, and the nut of screw pair and the upper opening are slow
Red seat is fixedly connected；Being horizontally disposed in upper opening buffing pad has compression spring, and compression spring one end setting is buffered in opening
In spring base in seat, the compression spring other end is sleeved on the inverted L-shaped connecting lever being fixedly connected with the follower arm, on follower arm
Fixing sleeve is equipped with the silica gel sealing ring for sealing the encapsulation flange disk hole mouth.
Sliding sleeve, guide rod of the sliding sleeve sliding sleeve in the rack are provided on the buffing pad
On.
The single-chip microcontroller with touch screen is provided in the rack, for limiting feeding limit switch, the cooling of follower arm
Limit switch, heating limit switch, the water cooling unit that water outlet is connected to first water-cooled jacket and the second water-cooled jacket water inlet are used
In controlling moving to left button, moving to right button, stop button and emergency stop switch for follower arm movement；The data of the single-chip microcontroller are adopted
Collection signal input interface is connect with the data-signal output interface of the pressure sensor, digital display vacuum meter, thermocouple respectively；It is single
The output control interface of piece machine is discharged with vacuum pump, hydrogen flowmeter, nitrogen stream meter, nitrogen aeration valve, mixed gas respectively
Valve, hydrogen gas exhaust valve, glow plug are connected with the input control interface of cooling-water machine；The feeding limit switch, cooling limit switch
It is connect respectively with the controller signals input interface of the stepper motor with the limit signal output interface of heating limit switch, institute
State move to left button, move to right the control signal output interface of button, stop button and emergency stop switch respectively with controllor for step-by-step motor
Input control interface connection.
The follower arm is hollow structure, and the thermocouple is arranged in follower arm, and the working end of thermocouple is located at described
On material containing disk.
Sealing gland pipe is provided in the rack, a nozzle of the sealing gland pipe is connected by control valve with source nitrogen, gas
Another nozzle of tube sealing is located at the encapsulation flange disk hole mouth.
The invention has the advantages that realizing that metal material is sintered and not oxidized automation under vacuum, atmosphere protection environment
Control, while operation of the present invention is convenient.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the portion the I enlarged structure schematic diagram of Fig. 1.
Fig. 3 is the left view structural representation of Fig. 1.
Fig. 4 is the overlooking structure diagram (digital display vacuum meter and touch screen are concealed in figure) of Fig. 1.
Specific embodiment
As shown in Figs 1-4, full-automatic hydrogen reducing furnace of the present invention, including horizontally disposed heating furnace on the rack
The right nozzle of thorax 1, the heatproof stainless steel boiler tube 2 being arranged through heating furnace 1, heatproof stainless steel boiler tube 2 passes through high temperature resistant pipe plug
Sealing 3, the air inlet pipe 4 communicated with 2 inner cavity of heatproof stainless steel boiler tube is provided with through high temperature resistant pipe plug 3；Air inlet pipe 4 passes through respectively
Hydrogen Line 5, nitrogen pipeline 6 and vacuum lead 7 are corresponding with hydrogen source, source nitrogen and vacuum pump 8 to be connected to, and is set in air inlet pipe 4
It is equipped with pressure sensor 9 and digital display vacuum meter 10；It is respectively corresponded on Hydrogen Line 5, nitrogen pipeline 6 and is provided with hydrogen flowmeter
11, nitrogen stream meter 12 and nitrogen aeration valve 13；The flow of hydrogen can accurately be controlled by hydrogen flowmeter 11, nitrogen tonifying Qi
Valve 13 quickly big flow can clean entire 2 inner cavity of heatproof stainless steel boiler tube.
As shown in Figure 1, 2, the left nozzle of heatproof stainless steel boiler tube 2 extends except heating furnace 1 and by encapsulation flange
Disk 14 seals, and is provided with mixed gas delivery pipe 15 and hydrogen on the heatproof stainless steel boiler tube 2 extended except heating furnace 1
Mixed gas drain valve 17 and hydrogen row are respectively arranged on gas delivery pipe 16, mixed gas delivery pipe 15 and hydrogen discharge pipe 16
Valve 18 is put, glow plug 19 is provided on mixed gas delivery pipe 15；Positioned at the stainless steel stove of heatproof extended except heating furnace 1
The first water-cooled jacket 20 and the second water-cooled jacket 21,15 hermetically passing second of mixed gas delivery pipe are successively set on pipe 2 along axial direction
Water-cooled jacket 21 is connected to mixed gas drain valve 17,16 the second water-cooled jacket of hermetically passing 21 of hydrogen discharge pipe and hydrogen gas exhaust valve 18
Connection.Cooling when first water-cooled jacket 20 is used to discharge to material, the second water-cooled jacket 21 are used for mixed gas and hydrogen_cooling.
The hollow structure follower arm 22 moved back and forth by the driving of power buffer gear is provided with through the sliding of encapsulation 14 aperture of ring flange, into
Material bar 22 is located at one end in heatproof stainless steel boiler tube 2 and is provided with material containing disk 23, setting in the lumen of hollow structure follower arm 22
There is thermocouple 24, the working end of thermocouple 24 is located on material containing disk 23.
As shown in Fig. 1,2,4, power buffer gear is by 26 structure of stepper motor 25, screw pair and upper opening buffing pad
At；25 power output shaft of stepper motor is connected by the lead screw 27 of shaft coupling and screw pair, the nut 28 of screw pair
It is welded as a whole with upper opening buffing pad 26；Being horizontally disposed in upper opening buffing pad 26 has compression spring 29, and compression spring 29 is left
End is arranged in the spring base in opening buffing pad 26, and 29 right output port of compression spring is sleeved on the inverted L-shaped welded with follower arm 22
On connecting lever 30, fixing sleeve is equipped with the silica gel sealing ring 31 for hermetically sealed 14 aperture of ring flange on follower arm 22.Practical manufacture
When, buffing pad 26 and nut 28 can be made into a single integrated structure, the welding sliding sleeve 41 on buffing pad 26, by sliding sleeve
On the guide rod 42 of 41 sliding sleeves dress on the rack, to improve the stability of the reciprocating motion of buffing pad 26.
The single-chip microcontroller with touch screen 32 is provided with as shown in Fig. 1,3,4, in rack, for limiting the feeding of follower arm 22
Limit switch 33, cooling limit switch 34, heating limit switch 35, water outlet pass through water supply line 43,44 and the first water-cooled jacket
20 water cooling units 36 being connected to 21 water inlet of the second water-cooled jacket, for controlling moving to left button 37, moving to right and press for the movement of follower arm 22
Button 38, stop button 39 and emergency stop switch 40；The data acquisition signal input interface of single-chip microcontroller respectively with pressure sensor 9, number
The data-signal output interface connection of aobvious vacuum meter 10, thermocouple 24；The output control interface of single-chip microcontroller respectively with vacuum pump 8,
Hydrogen flowmeter 11, nitrogen stream meter 12, nitrogen aeration valve 13, mixed gas drain valve 17, hydrogen gas exhaust valve 18, glow plug 19
It is connected with the input control interface of cooling-water machine 36；Feeding limit switch 33 cools down limit switch 34 and heats limit switch 35
Limit signal output interface is connect with the controller signals input interface of stepper motor 25 respectively, is moved to left button 37, is moved to right button
38, the control signal output interface of stop button 39 and emergency stop switch 40 respectively with the input control interface of controllor for step-by-step motor
Connection.
In order to prevent the gas overflowing in heatproof stainless steel boiler tube 2 in feeding, it is provided with sealing gland pipe 45, gas on the rack
The air inlet of tube sealing 45 is connected by control valve with source nitrogen, and the gas outlet of sealing gland pipe 45 is located at encapsulation flange disk hole mouth,
Gas curtain is formed to encapsulation flange disk hole mouth by nitrogen blowing and carries out hermetic seal.
Working principle of the present invention is summarized as follows:
When work, sets heating curve on touch screen 32 according to sample first, nitrogen flow, hydrogen flowing quantity, opens hydrogen temperature
It spends, close hydrogen temperature and take temperature of charge, then sample is put on material containing disk 23, press and move to right button 38, stepper motor 25
Entered in heatproof stainless steel boiler tube 2 by feed screw nut sub-control follower arm 22, when follower arm 22 reaches cooling limit switch 34
Continue to press when position and move to right button 38, is automatically stopped when follower arm 22 moves to heating 35 position of limit switch, material is heating
It is quickly heated in burner hearth 1, while silica gel sealing ring 31 declines the close of heatproof stainless steel boiler tube 2 in the elastic reaction of compression spring 29
Envelope.
Press the automatic running button on touch screen 32, SCM program will automatic running according to the following steps:
Prepurging first, then vacuum pump 8 starts, and starts to vacuumize, and when vacuum degree reaches within 50Pa, vacuum pump 8 stops, nitrogen
Aeration valve 13 is opened, and after reaching the micro-positive pressure of setting in heatproof stainless steel boiler tube 2, is mended nitrogen aeration valve 13 and is closed, vacuum pump 8
Starting, continues to vacuumize, and after so circulation 3 times, nitrogen stream meter 12 opens the flow air inlet according to setting, when nitrogen pressure reaches
To after setting micro-positive pressure, mixed gas drain valve 17 is opened, and then heating furnace 1 is begun to warm up, when material area's thermocouple 24 reaches
When setting into the temperature of hydrogen, hydrogen flowmeter 11 starts logical hydrogen, while the opening of igniter plug 19 by setting flow, when having
Hydrogen is lighted automatically when exporting and flow out from hydrogen discharge pipe 16；After heating curve end of run, nitrogen aeration valve 13 is beaten
Open, start to 2 inner cavity of heatproof stainless steel boiler tube carry out nitrogen purging, then material automatically exit to 20 position of the first water-cooled jacket into
Row rapid cooling；When expecting that area's thermocouple 24 reaches the temperature of setting pass hydrogen, hydrogen flowmeter 11, which is closed, to be stopped sending hydrogen, together
When hydrogen gas exhaust valve 18 open, with nitrogen purge 2 minutes, exclude the 2 remaining hydrogen in inner cavity of heatproof stainless steel boiler tube, after 2 minutes
Hydrogen gas exhaust valve 18 is automatically closed.
After expecting that area's thermocouple 24 reaches drop temperature, alarm sound is had on touch screen 18, us is prompted to open envelope
Fill ring flange 14, then press move to left button 37 make material reach 33 position of feeding limit switch, can feeding.At this point, being anti-
It is by sealing gland pipe 45 that encapsulation flange disk hole mouth progress is airtight to open control valve for the only gas overflowing in heatproof stainless steel boiler tube 2
Envelope.Press the program stopped key on touch screen 32, EP (end of program).
Claims (6)
1. a kind of full-automatic hydrogen reducing furnace is set including horizontally disposed heating furnace on the rack through the heating furnace
The stainless steel boiler tube set a, it is characterised in that: nozzle of the stainless steel boiler tube is sealed by high temperature resistant pipe plug, through described resistance to
High temperature pipe plug is provided with the air inlet pipe communicated with stainless steel boiler tube inner cavity；The air inlet pipe passes through Hydrogen Line, nitrogen tube respectively
Road and vacuum lead connection corresponding with hydrogen source, source nitrogen and vacuum pump, are provided with pressure sensor and digital display in air inlet pipe
Vacuum meter；It is respectively corresponded on the Hydrogen Line, nitrogen pipeline and is provided with hydrogen flowmeter, nitrogen stream meter and nitrogen tonifying Qi
Valve；Another nozzle of stainless steel boiler tube extends except heating furnace and by encapsulation flangeseal, heats positioned at extending
Mixed gas delivery pipe and hydrogen discharge pipe, the mixed gas delivery pipe and hydrogen are provided on stainless steel boiler tube except burner hearth
It is respectively arranged with mixed gas drain valve and hydrogen gas exhaust valve on gas delivery pipe, is provided with glow plug on mixed gas delivery pipe；
The first water-cooled jacket and the second water-cooled jacket, mixed gas discharge are set on the stainless steel boiler tube extended except heating furnace
The seal of tube passes through second water-cooled jacket and is connected to the mixed gas drain valve, and the hydrogen discharge seal of tube is across described the
Two water-cooled jackets are connected to the hydrogen gas exhaust valve；It is provided with through encapsulation flange disk hole mouth sliding and is driven by power buffer gear
The dynamic follower arm moved back and forth, one end that the follower arm is located in stainless steel boiler tube are provided with material containing disk, on the material containing disk
It is provided with thermocouple.
2. full-automatic hydrogen reducing furnace according to claim 1, it is characterised in that: the power buffer gear is by stepping electricity
Machine, screw pair and upper opening buffing pad are constituted；The stepper motor power output shaft passes through shaft coupling and the lead screw spiral shell
Female secondary lead screw connection, the nut of screw pair are fixedly connected with the upper opening buffing pad；It is horizontal in upper opening buffing pad
It is provided with compression spring, described compression spring one end is arranged in the spring base in opening buffing pad, another end cap of compression spring
On the inverted L-shaped connecting lever being fixedly connected with the follower arm, fixing sleeve is equipped with for sealing the encapsulation flange on follower arm
The silica gel sealing ring of disk hole mouth.
3. full-automatic hydrogen reducing furnace according to claim 2, it is characterised in that: be provided with sliding sleeve on the buffing pad
Pipe, the sliding sleeve sliding sleeve is on the guide rod in the rack.
4. full-automatic hydrogen reducing furnace according to claim 1 or 2, it is characterised in that: be provided with and have in the rack
The single-chip microcontroller of touch screen, for limiting the feeding limit switch, cooling limit switch, heating limit switch of follower arm, water outlet
The water cooling unit being connected to first water-cooled jacket and the second water-cooled jacket water inlet, for control follower arm movement move to left by
Button moves to right button, stop button and emergency stop switch；The data acquisition signal input interface of the single-chip microcontroller respectively with the pressure
The data-signal output interface connection of sensor, digital display vacuum meter, thermocouple；The output control interface of single-chip microcontroller respectively with vacuum
Pump, hydrogen flowmeter, nitrogen stream meter, nitrogen aeration valve, mixed gas drain valve, hydrogen gas exhaust valve, glow plug and cooling-water machine
Input control interface connection；The feeding limit switch, cooling limit switch and the limit signal output for heating limit switch
Interface is connect with the controller signals input interface of the stepper motor respectively, described to move to left button, move to right button, stop button
It is connect respectively with the input control interface of controllor for step-by-step motor with the control signal output interface of emergency stop switch.
5. full-automatic hydrogen reducing furnace according to claim 1 or 2, it is characterised in that: the follower arm is hollow structure,
The thermocouple is arranged in follower arm, and the working end of thermocouple is located on the material containing disk.
6. full-automatic hydrogen reducing furnace according to claim 1 or 2, it is characterised in that: be provided with sealing gland in the rack
Pipe, a nozzle of the sealing gland pipe are connected by control valve with source nitrogen, and another nozzle of sealing gland pipe is located at the package method
At blue disk hole mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360118.8A CN110243173A (en) | 2019-04-30 | 2019-04-30 | Full-automatic hydrogen reducing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360118.8A CN110243173A (en) | 2019-04-30 | 2019-04-30 | Full-automatic hydrogen reducing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110243173A true CN110243173A (en) | 2019-09-17 |
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ID=67883494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910360118.8A Withdrawn CN110243173A (en) | 2019-04-30 | 2019-04-30 | Full-automatic hydrogen reducing furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN110243173A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380897A (en) * | 2020-03-23 | 2020-07-07 | 本钢板材股份有限公司 | Iron ore high temperature performance survey device |
| CN112432876A (en) * | 2020-11-17 | 2021-03-02 | 中广核工程有限公司 | Thermal degradation experimental system and thermal degradation testing method for radioactive waste |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289295Y (en) * | 2008-07-25 | 2009-08-12 | 河源普益硬质合金厂有限公司 | Multi-point temperature monitoring type hydrogen gas reducing furnace for machining superfine metal tungsten powder |
| CN101611157A (en) * | 2006-12-22 | 2009-12-23 | 中部威灵武株式会社 | Thermal treatment unit |
| CN201760535U (en) * | 2010-05-13 | 2011-03-16 | 淮北宇鑫新型材料有限公司 | Automatic tension adjusting device of forming wires for producing FRP (Fiber Reinforced Plastic) bars |
| CN103151248A (en) * | 2013-03-07 | 2013-06-12 | 武汉电信器件有限公司 | Zinc diffusion device and diffusion method thereof in manufacturing of photoelectric detector |
| CN203364599U (en) * | 2013-05-15 | 2013-12-25 | 汕头高新区松田实业有限公司 | Semiconductor ceramic capacitor reductive firing furnace |
| CN210180151U (en) * | 2019-04-30 | 2020-03-24 | 河南诺巴迪材料科技有限公司 | Full-automatic hydrogen reduction furnace |
-
2019
- 2019-04-30 CN CN201910360118.8A patent/CN110243173A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101611157A (en) * | 2006-12-22 | 2009-12-23 | 中部威灵武株式会社 | Thermal treatment unit |
| CN201289295Y (en) * | 2008-07-25 | 2009-08-12 | 河源普益硬质合金厂有限公司 | Multi-point temperature monitoring type hydrogen gas reducing furnace for machining superfine metal tungsten powder |
| CN201760535U (en) * | 2010-05-13 | 2011-03-16 | 淮北宇鑫新型材料有限公司 | Automatic tension adjusting device of forming wires for producing FRP (Fiber Reinforced Plastic) bars |
| CN103151248A (en) * | 2013-03-07 | 2013-06-12 | 武汉电信器件有限公司 | Zinc diffusion device and diffusion method thereof in manufacturing of photoelectric detector |
| CN203364599U (en) * | 2013-05-15 | 2013-12-25 | 汕头高新区松田实业有限公司 | Semiconductor ceramic capacitor reductive firing furnace |
| CN210180151U (en) * | 2019-04-30 | 2020-03-24 | 河南诺巴迪材料科技有限公司 | Full-automatic hydrogen reduction furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380897A (en) * | 2020-03-23 | 2020-07-07 | 本钢板材股份有限公司 | Iron ore high temperature performance survey device |
| CN112432876A (en) * | 2020-11-17 | 2021-03-02 | 中广核工程有限公司 | Thermal degradation experimental system and thermal degradation testing method for radioactive waste |
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