CN205119808U - Well resistance furnace for liftable experiments - Google Patents
Well resistance furnace for liftable experiments Download PDFInfo
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- CN205119808U CN205119808U CN201520865151.3U CN201520865151U CN205119808U CN 205119808 U CN205119808 U CN 205119808U CN 201520865151 U CN201520865151 U CN 201520865151U CN 205119808 U CN205119808 U CN 205119808U
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Abstract
The utility model discloses a well resistance furnace is used in the control by temperature change of liftable operation experiment, and its appearance is the cuboid, including stove outer covering, furnace, stove bottom and bell, the stove outer covering is made through the hem welding with the cold -reduced sheet, and furnace adopts aluminium oxide polycrystal fiber material, and heating element all is equipped with the aluminium oxide drop -bottom in arranging furnace in bottom furnace, fill with the fibreboard between furnace and the stove outer covering. Control by temperature change circuit system includes temperature controller, auxiliary relay, adjustable -speed motor, travel switch, ac contactor, auxiliary contact, current -voltage table, button, silicon controlled module, current transformer, miniature circuit breaker, temperature controller 0 and temperature controller 1. This kind of well resistance furnace has realized the liftable operation and the position is adjustable, because the less studio space of designing of heating member is little, does benefit to heat preservation and definite temperature value of measuring is accurate, has warm equilibrium, surface temperature and hangs down, rises advantages such as cooling speed is fast, energy -conservation, the nimble just safe and reliable of easy operation.
Description
Technical field
The utility model relates to the temperature control experiment well formula resistance furnace of experiment well formula resistance furnace, particularly a kind of liftable operation.
Background technology
Shaft furnace is periodical furnace, is applicable to bar class, the heating of longaxones parts and heat treatment.The structure of well formula resistance furnace is: shaft is columnar deep-well, and workpiece is vertically loaded in stove by Special crane and heats.When taking electricity as thermal source, be called well formula resistance furnace.There is burner hearth and be generally circle for the industrial furnace section of burner hearth of stock shape heat treatment of workpieces.The fire door of well formula resistance furnace is located on furnace roof, and workpiece is hung vertically in burner hearth by special hanger.Special crane gear can load fast and hang out workpiece, and be easy to operate and reduction factory building height, body of heater is generally all or part of is arranged on underground, even so, the factory building of special deep-wall type resistance furnace is housed, and still needs to build very high.
General experiment well formula resistance furnace volume is not too large, but additional lifting machinery still will be needed to assist by sample or workpiece placement burner hearth; If but the position of sample or workpiece is fixed, want to put it in well formula resistance furnace burner hearth, then need adjust by the height of mounting lifting platform to well formula resistance furnace below well formula resistance furnace, not only such with the use of wasting time and energy but also expensive.Sample or the workpiece of experiment are all less, and burner hearth opening is unsuitable excessive, sample or workpiece normally can be put into, and simultaneously because the reduction of working space can cause warm field balanced, the temperature value drawn experiment measuring is more accurate.There is no a kind of device well formula resistance furnace, temperature control system and elevating function become one in the market, very inconvenient for user; Simultaneously also high less than accuracy of temperature control on market well formula resistance furnace, this is larger for requiring that temperature data tests difficulty accurately.
Utility model content
The purpose of this utility model is the defect for above-mentioned prior art, provide a kind of job position adjustable and lift work distance reaches 0-600mm, temperature control reaches as high as 1000 DEG C and precision between ± 1 DEG C, accurate, the warm field of temperature value of measuring is balanced, surface temperature is low, warming and cooling rate is fast, the flexible and liftable experiment well formula resistance furnace of the advantage such as safe and reliable energy-conservation, simple to operate.
The purpose of this utility model is achieved through the following technical solutions: a kind of liftable experiment well formula resistance furnace, comprises furnace shell, burner hearth, furnace bottom and bell, and described furnace shell makes through flanging welding with cold-reduced sheet; Described burner hearth adopts polycrystalline alumina fiber material to make, and burner hearth bottom is all equipped with aluminium oxide drop-bottom; Fiberboard is filled with between described burner hearth and furnace shell; It is characterized in that: be also provided with temperature control circuit system, described temperature control circuit system comprises temperature controller, auxiliary reclay, adjustable varying-speed motor, travel switch, A.C. contactor, auxiliary contact, current voltmeter, button, silicon controlled module, current transformer, miniature circuit breaker and binding post, power supply knob, and button comprises start button, raise button, decline button and stop button;
Adjustable varying-speed motor, auxiliary reclay, travel switch and button are configured for the lift work circuit realizing well formula resistance furnace lift work; Wherein, power firestreak is connected with power supply knob, the live wire at power supply knob place is connected with rising, decline and stop button, then is connected with adjustable varying-speed motor respectively by auxiliary reclay, and auxiliary reclay coil respectively with two travel switches controlling adjustable varying-speed motor are connected;
A.C. contactor, temperature controller, silicon controlled module, current transformer, miniature circuit breaker and button are configured for the temperature-control circuit realizing well formula Temperature Control of Electric Resistance Furnace; Wherein, zero-power line is connected with electrical heating wire by A.C. contactor, miniature circuit breaker, the live wire of power supply is connected with electrical heating wire by A.C. contactor, silicon controlled module, current transformer, miniature circuit breaker, and the auxiliary contact on A.C. contactor is connected with button with travel switch respectively; Current Transformer Secondary side connects current voltmeter for showing the Current Voltage value in heating process, and temperature controller 11,13 port is connected with silicon controlled module, and in circuit, the coil of A.C. contactor and the warning of temperature controller export 6 ports and be connected;
Power firestreak is connected with power supply knob, the live wire one that another terminals of power supply knob export is connected with ammeter, voltmeter and temperature controller respectively with zero-power line to realize powering, two is connect to temperature controller 7 port after connecting stopping, start button again, realizes whether having electric current to export by warning system two ore control 6 port of start button and temperature controller itself.On temperature controller 18,19 ends are connected with temperature sensor.
In described temperature control circuit system, temperature controller is temperature controller AI-708P, auxiliary reclay is auxiliary reclay JZX-22F(D)/4Z, adjustable varying-speed motor is adjustable varying-speed motor 5RK120RGU-CMF, travel switch is travel switch RDLX18-8108, A.C. contactor is A.C. contactor CJX2-32, auxiliary contact is auxiliary contact F4-11, current voltmeter is current voltmeter PZ-3, button is button LA42, silicon controlled module be silicon controlled module MTC110A 1600V, current transformer is current transformer BH-0.6630T, miniature circuit breaker is miniature circuit breaker DZ47-60.
Described furnace shell adopts integral sealing or stainless steel inner container integral sealing, and the fiberboard of filling between furnace shell and burner hearth is 1400 fiber type plates.
Described bell adopts the sealing of high temperature silicon rubber cushion.
Described polycrystalline alumina fiber is 1400 import polycrystalline alumina fibers.
Also be provided with metal chassis, temperature control circuit Operation system setting, in metal chassis, is provided with the guidance panel be electrically connected with temperature control circuit system outside metal chassis.
Described lift work circuit realiration job position is adjustable and lift work distance is 0-600mm.
Described temperature-control circuit realize temperature control be up to 1000 DEG C and error between ± 1 DEG C.
The radiator guaranteeing that its operating temperature is suitable is installed below described silicon controlled module.
The profile of described well formula resistance furnace is profile is cuboid.
The utility model rational in infrastructure simple, manufacture easy, easy to use, the utility model is a kind of temperature control experiment well formula resistance furnace of liftable operation, and its profile is cuboid.Comprise furnace shell, burner hearth, furnace bottom and bell, described furnace shell makes through flanging welding with cold-reduced sheet, burner hearth adopts 1400 import polycrystalline alumina fiber materials, heating element heater is placed in burner hearth, at burner hearth bottom, aluminium oxide drop-bottom is all housed, fill with 1400 fiber type plates between burner hearth and furnace shell, temperature control system and body of heater integrated design.Temperature control circuit system comprises temperature controller AI-708P, auxiliary reclay JZX-22F(D)/4Z, adjustable varying-speed motor 5RK120RGU-CMF, travel switch RDLX18-8108, A.C. contactor CJX2-32, auxiliary contact F4-11, current voltmeter PZ-3, button LA42, silicon controlled module MTC110A 1600V, current transformer BH-0.6630T, miniature circuit breaker DZ47-60 and binding post, described temperature control circuit system mainly comprises two parts, one is utilize adjustable varying-speed motor, relay, travel switch and button realize the lift work of this well formula resistance furnace, two is utilize A.C. contactor, temperature controller, silicon controlled module, current transformer, miniature circuit breaker and button realize the control to this well formula resistance furnace temperature.
In the utility model, furnace shell adopts integral sealing or stainless steel inner container integral sealing, and bell adopts the sealing of high temperature silicon rubber cushion.Owing to needing the object volume of heating less, the unsuitable excessive guarantee temperature field of the working space designed is balanced.Lift work distance is 0-600mm.Temperature control reach as high as 1000 DEG C and error between ± 1 DEG C.In practice, below silicon controlled module, need installation of heat radiator, guarantee its suitable operating temperature.
Beneficial effect:
The beneficial effects of the utility model are: this well formula resistance furnace achieves liftable operation and position is adjustable, temperature control reach as high as 1000 DEG C and error between ± 1 DEG C, and the studio space designed because calandria is less is little, be beneficial to insulation and determine that the temperature value measured is accurate, having that warm field is balanced, surface temperature is low, warming and cooling rate is fast, the flexible and advantage such as safe and reliable energy-conservation, simple to operate.
Accompanying drawing explanation
Fig. 1 is liftable experiment well formula resistance furnace tomograph.
Fig. 2 is temperature control system pictorial diagram.
In figure: 1 furnace shell, 2 burner hearths, 3 furnace bottoms, 4 bells, 5 guidance panels, 6 metal chassis.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and accompanying drawing thereof and the utility model is described further.
As shown in Figure 1 and Figure 2, the utility model is a kind of temperature control experiment well formula resistance furnace of liftable operation, and its profile is cuboid.Comprise furnace shell 1, burner hearth 2, furnace bottom 3, bell 4, guidance panel 5 and metal chassis 6, described furnace shell 1 makes through flanging welding with cold-reduced sheet, burner hearth 2 adopts 1400 import polycrystalline alumina fiber materials, because heating element heater volume less then burner hearth opening is little, ensure that warm field is balanced, bottom burner hearth 2, aluminium oxide drop-bottom is all housed, fills with 1400 fiber type plates between burner hearth 2 and furnace shell 1.The insulation of body of heater is realized by the high temperature silicon rubber cushion sealing of the integral sealing of furnace shell 1 or stainless steel inner container integral sealing, bell 4, temperature control system and body of heater integrated design.Temperature control circuit system comprises temperature controller AI-708P, auxiliary reclay JZX-22F(D)/4Z, adjustable varying-speed motor 5RK120RGU-CMF, travel switch RDLX18-8108, A.C. contactor CJX2-32, auxiliary contact F4-11, current voltmeter PZ-3, button LA42, silicon controlled module MTC110A 1600V, current transformer BH-0.6630T, miniature circuit breaker DZ47-60 and binding post, described temperature control circuit system mainly comprises two parts, one is utilize adjustable varying-speed motor, relay, travel switch and button realize the lift work of this well formula resistance furnace, two is utilize A.C. contactor, temperature controller, silicon controlled module, current transformer, miniature circuit breaker and button to realize the control to this well formula resistance furnace temperature.Here the distance of lift work can reach 0-600mm, temperature control reach as high as 1000 DEG C and error between ± 1 DEG C.Wherein artificial intelligence temperature controller AI-708P primary responsibility precisely controls furnace temp, is the core of whole temperature-controlling cabinet.It is 50 sections of temperature programmed control systems; advanced AI artificial intelligence PID is adopted to regulate algorithm; accurately control at low temperature, middle temperature, high temperature, and the program segment of current operation and the running time of this section can be checked in instrument, possess Self-tuning System (AT), disconnected even protection and overheat protector function.A.C. contactor, auxiliary contact, auxiliary reclay and button are all used to the switch of control circuit, if temperature controller have alarm signal to export then can disconnecting circuit in time, circuit is protected.Miniature circuit breaker is applicable to infrequently operate, and has overload and short-circuit protection effect and buffer action.Current transformer is when measuring the big current of alternating current, and measuring for ease of secondary meter needs to be converted to more unified electric current.Current transformer converts high electric current to low current in proportion, and current transformer primary side is connected on primary system, secondary side joint measuring instrument, relay protection etc.Silicon controlled module is the abbreviation of silicon controlled rectifier, and as a kind of heating controller in this circuit, it makes condition for adding forward voltage and gate pole has trigger current, has the advantages such as volume is little, efficiency is high, good stability, reliable operation.Brake tube is when electric current passes through, and the heat of the larger generation of electric current is also larger.If these heats are not dissipated fast, the problem burning out thyristor chip can be caused, when therefore requiring to use silicon controlled module, must installation of heat radiator.So be equipped with fin below silicon controlled module in the device, ensure suitable operating temperature.
In the utility model, the single-phase electricity zero line of external power receptacle, live wire and ground wire are linked in temperature control circuit system by binding post, and ground terminal is connected with metal chassis and is grounded.
Well formula Temperature Control of Electric Resistance Furnace circuit:
Zero-power line is connected with electrical heating wire by A.C. contactor, miniature circuit breaker, and the live wire of power supply is connected with electrical heating wire by A.C. contactor, silicon controlled module, current transformer, miniature circuit breaker, auxiliary contact in addition on A.C. contactor is again respectively with startup, stop button is connected, and above-mentioned connected mode achieves by starting, the selection of stop button determines electrical heating wire whether electrified regulation.
Wherein, Current Transformer Secondary side connects current voltmeter, the Current Voltage value in heating process is shown with this, and temperature controller 11, 13 ports are connected with silicon controlled module, achieve vulnerabilities scan forceful electric power, by changing silicon controlled module conduction angle size, size of current on live wire is changed and namely changes electrical heating wire heating power, in circuit, the coil of A.C. contactor and the warning of temperature controller export 6 ports and are connected, if temperature controller real-time measurement values or settings exceed the standard of setting, then temperature controller output alarm circuit disconnects and ac contactor coil is inputted without electricity, contact disconnects and stops heating wire electrified regulation.Power firestreak is connected with power supply knob, the live wire of another terminals output of power supply knob: one is be connected with ammeter, voltmeter and temperature controller respectively with zero-power line to achieve power supply, two is connect to temperature controller 7 port after being connected to stopping, start button again, realizes whether having electric current to export by warning system two ore control 6 port of start button and controller itself.On temperature controller 18,19 ends are directly connected with temperature sensor, and measuring well formula resistance furnace heated in real-time temperature, so that the control of its program.
Well formula resistance furnace lift work circuit: power firestreak is connected with power supply knob, the live wire at power supply knob place and rising, decline and be connected with stop button, be connected with adjustable varying-speed motor respectively by auxiliary reclay again, realize the rotating forward of motor, reversion and stopping, the i.e. lifting of well formula resistance furnace and stopping, auxiliary reclay coil respectively with two travel switches wherein controlling adjustable varying-speed motor are connected, achieve the control of extreme limit of travel, if resistance furnace rises or declines beyond the extreme position arranged, travel switch effect makes auxiliary reclay contact disconnect the motor well formula resistance furnace that cannot operate also just to stop elevating movement.
Claims (10)
1. a liftable experiment well formula resistance furnace, comprises furnace shell (1), burner hearth (2), furnace bottom (3) and bell (4), and described furnace shell (1) makes through flanging welding with cold-reduced sheet; Described burner hearth (2) adopts polycrystalline alumina fiber material to make, and aluminium oxide drop-bottom is all equipped with in burner hearth (2) bottom; Fiberboard is filled with between described burner hearth (2) and furnace shell (1); It is characterized in that: be also provided with temperature control circuit system, described temperature control circuit system comprises temperature controller, auxiliary reclay, adjustable varying-speed motor, travel switch, A.C. contactor, auxiliary contact, current voltmeter, button, silicon controlled module, current transformer, miniature circuit breaker and binding post, power supply knob, and button comprises start button, raise button, decline button and stop button;
Adjustable varying-speed motor, auxiliary reclay, travel switch and button are configured for the lift work circuit realizing well formula resistance furnace lift work; Wherein, power firestreak is connected with power supply knob, the live wire at power supply knob place is connected with rising, decline and stop button, then is connected with adjustable varying-speed motor respectively by auxiliary reclay, and auxiliary reclay coil respectively with two travel switches controlling adjustable varying-speed motor are connected;
A.C. contactor, temperature controller, silicon controlled module, current transformer, miniature circuit breaker and button are configured for the temperature-control circuit realizing well formula Temperature Control of Electric Resistance Furnace; Wherein, zero-power line is connected with electrical heating wire by A.C. contactor, miniature circuit breaker, the live wire of power supply is connected with electrical heating wire by A.C. contactor, silicon controlled module, current transformer, miniature circuit breaker, and the auxiliary contact on A.C. contactor is connected with button with travel switch respectively; Current Transformer Secondary side connects current voltmeter for showing the Current Voltage value in heating process, and temperature controller 11,13 port is connected with silicon controlled module, and in circuit, the coil of A.C. contactor and the warning of temperature controller export 6 ports and be connected;
Power firestreak is connected with power supply knob, the live wire one that another terminals of power supply knob export is connected with ammeter, voltmeter and temperature controller respectively with zero-power line to realize powering, two is connect to temperature controller 7 port again after connecting stopping, start button, realize whether having electric current to export by warning system two ore control 6 port of start button and temperature controller itself, 18 on temperature controller, 19 ends are connected with temperature sensor.
2. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, it is characterized in that: in described temperature control circuit system, temperature controller is temperature controller AI-708P, auxiliary reclay is auxiliary reclay JZX-22F(D)/4Z, adjustable varying-speed motor is adjustable varying-speed motor 5RK120RGU-CMF, travel switch is travel switch RDLX18-8108, A.C. contactor is A.C. contactor CJX2-32, auxiliary contact is auxiliary contact F4-11, current voltmeter is current voltmeter PZ-3, button is button LA42, silicon controlled module be silicon controlled module MTC110A 1600V, current transformer is current transformer BH-0.6630T, miniature circuit breaker is miniature circuit breaker DZ47-60.
3. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, it is characterized in that: described furnace shell (1) adopts integral sealing or stainless steel inner container integral sealing, and the fiberboard of filling between furnace shell (1) and burner hearth (2) is 1400 fiber type plates.
4. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, is characterized in that: described bell (4) adopts the sealing of high temperature silicon rubber cushion.
5. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, is characterized in that: described polycrystalline alumina fiber is 1400 import polycrystalline alumina fibers.
6. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, it is characterized in that: be also provided with metal chassis (6), temperature control circuit Operation system setting is in metal chassis (6), and metal chassis (6) outside is provided with the guidance panel (5) be electrically connected with temperature control circuit system.
7. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, is characterized in that: described lift work circuit realiration job position is adjustable and lift work distance is 0-600mm.
8. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, is characterized in that: described temperature-control circuit realize temperature control be up to 1000 DEG C and error between ± 1 DEG C.
9. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, is characterized in that: be provided with the radiator guaranteeing that its operating temperature is suitable below described silicon controlled module.
10. the temperature control experiment well formula resistance furnace of a kind of liftable operation according to claim 1, is characterized in that: the profile of described well formula resistance furnace is profile is cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865151.3U CN205119808U (en) | 2015-10-30 | 2015-10-30 | Well resistance furnace for liftable experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865151.3U CN205119808U (en) | 2015-10-30 | 2015-10-30 | Well resistance furnace for liftable experiments |
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| Publication Number | Publication Date |
|---|---|
| CN205119808U true CN205119808U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520865151.3U Expired - Fee Related CN205119808U (en) | 2015-10-30 | 2015-10-30 | Well resistance furnace for liftable experiments |
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| CN (1) | CN205119808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518116A (en) * | 2019-09-19 | 2021-03-19 | 深圳合立源科技有限公司 | Control system for lifting of workbench |
-
2015
- 2015-10-30 CN CN201520865151.3U patent/CN205119808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518116A (en) * | 2019-09-19 | 2021-03-19 | 深圳合立源科技有限公司 | Control system for lifting of workbench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20181030 |