CN112994486B - Stable double-rectifier transformer device for graphitized electric furnace - Google Patents

Stable double-rectifier transformer device for graphitized electric furnace Download PDF

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Publication number
CN112994486B
CN112994486B CN202110175416.7A CN202110175416A CN112994486B CN 112994486 B CN112994486 B CN 112994486B CN 202110175416 A CN202110175416 A CN 202110175416A CN 112994486 B CN112994486 B CN 112994486B
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China
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heat
rectifier
rectifier transformer
transformer
fixed block
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CN112994486A (en
Inventor
杨遂运
赵万仓
王新征
王其华
吴保国
张朝阳
马爱玲
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Henan Wanguan Industrial Co ltd
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Henan Wanguan Industrial Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/16—Water cooling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20927—Liquid coolant without phase change
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20936—Liquid coolant with phase change
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Patch Boards (AREA)
  • Furnace Details (AREA)

Abstract

The invention discloses a stable double-rectifier transformer device for a graphitizing electric furnace, which relates to the field of transformer power supply equipment and comprises a rectifier chamber, wherein a first rectifier transformer and a second rectifier transformer which are used for supplying power to the graphitizing electric furnace are arranged in the rectifier chamber, the capacity of the first rectifier transformer is larger than that of the second rectifier transformer, two sides of the rectifier chamber are respectively hinged with a chamber door, the bottom of the rectifier chamber is provided with a translation rail, and a transfer rail is arranged on the chamber door corresponding to the translation rail; a high-strength heat preservation structure is arranged on the inner wall of the rectification chamber body; be provided with a plurality of ventilation holes on the rectification outdoor wall, be provided with heat dissipation adjustment mechanism on the ventilation hole, heat dissipation adjustment mechanism includes by outer filter screen, adjustment disk, the interior filter screen that sets gradually in to, possesses the advantage that operating temperature is stable, power supply efficiency is high.

Description

Stable double-rectifier transformer device for graphitized electric furnace
Technical Field
The invention relates to the field of transformer power supply equipment, in particular to a stable double-rectifier transformer device for a graphitized furnace.
Background
The current market situation of the power supply mode of the special carbon graphite product is that the power supply load is small in most of the early period, almost only half of the capacity of the transformer is used, the large load is used in the later period for a short time, for example, a rectifier transformer with the capacity of 6000KVA is operated at low load of 1000 KVA-3000 KV within 180 hours in the early period, and the full load is used within 50 hours in the later period, so that the utilization rate of the transformer is low, the yield in unit time is low, the power factor of the transformer is not high, and the effect that the working efficiency of the existing transformer power supply box is influenced by temperature is serious.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a stable double-rectifier transformer device for a graphitized furnace, which has the advantages of stable working temperature and high power supply efficiency by adopting a double-rectifier transformer to supply power and matching with other internal structures.
In order to achieve the purpose, the invention adopts the following technical scheme:
a stable double-rectifier transformer device for a graphitizing electric furnace comprises a rectifier chamber, wherein a first rectifier transformer, a plurality of second rectifier transformers, two groups of rectifier cabinets, two groups of oil-air coolers and two groups of pure water coolers for supplying power to the graphitizing electric furnace are arranged in the rectifier chamber, the first rectifier transformer and the second rectifier transformer are respectively provided with one rectifier cabinet, one oil-air cooler and one pure water cooler, the capacity of the first rectifier transformer is larger than that of the second rectifier transformer, one side position of the rectifier chamber is hinged with a chamber door, translation tracks are arranged in the rectifier chamber corresponding to the bottoms of the first rectifier transformer and the second rectifier transformer, and a translation track is arranged on the chamber door corresponding to the translation tracks; a high-strength heat-insulating structure is arranged on the inner wall of the rectification chamber body; be provided with a plurality of ventilation holes on the rectification outdoor side wall, be provided with heat dissipation adjustment mechanism on the ventilation hole, heat dissipation adjustment mechanism includes by outer filter screen, adjustment disk, the interior filter screen of setting gradually on the rectification outdoor side wall to interior.
In order to further optimize the present invention, the following technical solutions may be preferably selected:
preferably, the adjusting disk includes the fixed disk, the fixed disk outside is articulated to be provided with a plurality of fan-shaped deep bead, the pivot position department of deep bead is connected with inverter motor, correspond deep bead position equipartition on the fixed disk and seted up a plurality of ventilative holes.
Preferably, high strength insulation construction includes the heat preservation baffle main part, the upside of heat preservation baffle main part one end is provided with the heat exchange insulating tube input port, the one end of heat exchange insulating tube input port and the upside fixed connection of heat preservation baffle main part one end, the downside of the heat preservation baffle main part other end is provided with the condenser pipe input port, and the one end of the condenser pipe input port and the downside fixed connection of the heat preservation baffle main part other end, the outer wall of condenser pipe input port is provided with first reinforcement piece, and first reinforcement piece and condenser pipe input port fixed connection, the outer wall of heat exchange insulating tube input port is provided with the second reinforcement piece, and second reinforcement piece and heat exchange insulating tube input port fixed connection.
Preferably, the inside of heat preservation baffle main part is provided with heat preservation baffle mechanism, the inside of heat preservation baffle mechanism is provided with first intraductal cavity way and places the cross slot and the cross slot is placed to second intraductal cavity way, and first intraductal cavity way place the cross slot and the second intraductal cavity way place the inside at heat preservation baffle mechanism that the cross slot is all embedded.
Preferably, the inside that the cross slot was placed to first pipe inner chamber way is provided with the condensation duct, and the condensation duct is said with first pipe inner chamber and is placed cross slot fixed connection, the inside that the cross slot was placed to second pipe inner chamber way is provided with heat exchange heat preservation pipeline, and heat exchange heat preservation pipeline and second pipe inner chamber way place cross slot fixed connection, heat exchange heat preservation pipeline's outer wall is provided with the electric wire heating rod, and the electric wire heating rod is provided with a plurality of.
Preferably, the preceding terminal surface of heat preservation baffle main part is provided with buckle fixed orifices groove, and buckle fixed orifices groove is provided with seven, seven the both sides in buckle fixed orifices groove all are provided with first anti-skidding friction paster, and just first anti-skidding friction paster is provided with a plurality of, a plurality of first anti-skidding friction paster all with heat preservation baffle main part fixed connection, a plurality of the inside of first anti-skidding friction paster all is provided with first mounting hole groove.
Preferably, the rear end face of heat preservation baffle main part is provided with the connection fixed block, and connects the fixed block and be provided with four, four connect the fixed block all with the rear end face fixed connection of heat preservation baffle main part, four the both sides of connecting the fixed block all are provided with the screw thread regulation pole, and the screw thread regulation pole is provided with eight, eight the inside that the one end of screw thread regulation pole runs through and extends to the connection fixed block, eight the other end of screw thread regulation pole all is provided with metal rotor, four the inboard of connecting the fixed block all is provided with the spacing groove.
Preferably, the lower terminal surface of heat preservation baffle main part is provided with second mounting hole groove, and the second mounting hole groove is provided with five, four the inside of connecting the fixed block all is provided with embedded buckle hole groove, and embedded buckle hole groove is provided with four, eight the one end of screw thread adjusting rod all is provided with the fixed block, and one side and eight of fixed block the one end fixed connection of screw thread adjusting rod, four the inside of connecting the fixed block both ends all is provided with the third mounting hole groove, and the third mounting hole groove is provided with eight
The invention has the beneficial effects that:
1. the invention uses two or more rectifier transformers to supply power according to the furnace type structure of a user furnace, uses a small transformer to supply power in the early stage, and the load of the small transformer is generally set to be half of the capacity of a large transformer, such as: the large transformer has a capacity of 6000KVA, and then the small transformer has a capacity of 3000 KVA. The power is transmitted by using 3000KVA rectifier transformer in 180 hours in the early period, and after the temperature and the load come, the transformer is switched to 6000KVA for power transmission, and then the 3000KVA rectifier transformer is switched to the next furnace for continuous power transmission, namely, two transformers transmit power simultaneously, so that the capacity is improved, the use efficiency of the transformer is improved, the power factor of the transformer is improved and the loss of the transformer is reduced by using the transformer in a circulating and reciprocating manner, on the other hand, the cost of power use is reduced by using a plurality of rectifier transformers in an integrated manner, and the stability and the high efficiency of the graphitizing furnace in the power supply process are ensured.
2. The invention arranges a heat exchange heat preservation pipeline and a condensation pipeline on the heat preservation baffle mechanism in the heat preservation baffle main body, fixedly arranges a first pipe inner cavity channel placing transverse groove and a second pipe inner cavity channel placing transverse groove, the heat exchange heat preservation pipeline is heated by the electric wire heating rod, so that the device not only has the heat preservation effect, but also has the heating treatment effect, the arranged condensation pipeline not only has the heat preservation and heating effects, in summer or hot days, the cooling treatment can be carried out in the building, the heat insulation or heat preservation performance of the metal plates used on the existing transformer box is improved by means of a single structure, the insulation board does not have the physical heating or cooling effect, and the problem of the temperature condition in the transformer box cannot be fundamentally solved, so that different effects of insulation, heating and cooling can be achieved.
Drawings
FIG. 1 is a top view of a dual rectifier transformer arrangement according to the present invention;
FIG. 2 is a front view of a double rectifier transformer arrangement according to the present invention;
FIG. 3 is a side view of a double rectifier transformer arrangement of the present invention;
FIG. 4 is a schematic view of the structure of the adjusting plate of the present invention;
FIG. 5 is a schematic view of the high strength insulation structure of the present invention;
FIG. 6 is a schematic view of the interior of the thermal baffle body according to the present invention;
FIG. 7 is a schematic side view of the main body of the thermal baffle of the present invention;
FIG. 8 is a schematic structural view of the front end face of the main body of the thermal insulating baffle of the present invention;
FIG. 9 is a schematic view of the lower end face structure of the heat-insulating baffle main body of the present invention;
FIG. 10 is an enlarged view of a portion of the invention at A in FIG. 9;
in the figure:
1. a rectification chamber; 2. a first rectifier transformer; 3. a first rectifier transformer; 4. a door; 5. a heat dissipation adjustment mechanism; 6. a high-strength heat-insulating structure; 7. translating the rail; 8. transferring the track; 9. an outer filter screen; 10. an adjusting disk; 11. an inner filter screen; 12. fixing the disc; 13. a fan-shaped wind deflector; 14. a ventilation hole; 15. an oil-air cooler; 16. a pure water cooler; 601. a heat preservation baffle main body; 602. a condenser tube input port; 603. an input port of the heat exchange insulating pipe; 604. a first reinforcing block; 605. a heat-insulating partition mechanism; 606. a transverse groove is arranged in the first pipe inner cavity; 607. a transverse groove is arranged in the second tube inner cavity; 608. a heat exchange heat preservation pipeline; 609. a condensing duct; 610. a second reinforcing block; 611. a fastener fixing hole groove; 612. a first anti-slip friction patch; 613. a first mounting hole groove; 614. a non-slip raised soft block; 615. a second anti-slip friction patch; 616. connecting a fixed block; 617. a metal rotor blade; 618. a threaded adjusting rod; 619. a limiting groove; 620. a second mounting hole groove; 621. an electric wire heating rod; 622. an embedded snap hole groove; 623. a third mounting hole groove; 624. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The rectifying chamber comprises the following contents:
the basic structure and process of a rectifier transformer are as follows:
the type of the transformer is as follows: ZHSFPT.
The overall structure is as follows: the single transformer oil tank contains 1 regulating transformer (modulation), 2 main rectifier transformers (main transformer) and 1 107-stage on-load tap-changer. The main transformer structure: the primary side adopts a zigzag star-shaped phase shift, the secondary side adopts a double-reverse star structure, and the windings and the outlet adopt an in-phase inverse parallel structure to balance the reactance of the valve side lead and improve the power factor. The wiring mode is as follows: the self-coupling is modulated, and the voltage regulating coil adopts 107-level voltage regulation. The iron core structure: the three-phase three-column iron core is modulated, and the main transformer is two three-phase five-column iron cores. The iron core is assembled into a multistage ladder seam, non-punching and imported TENAX polyester tape binding structure. The iron core material is high-permeability and low-loss 30Q120 type cold-rolled oriented grain silicon steel sheet produced by Wuhan iron and Steel company, the design of the magnetic flux density of the iron core is less than 1.65T, and the low noise of the transformer is ensured. Coil copper line: the oxygen-free copper rod produced by British technology introduced by our company is adopted to extrude flat copper wire, the series of copper wires have no burrs and low resistivity, and the technical performance is far superior to that of similar drawn electromagnetic wires. Transformer oil: the new oil of 25# produced in China and the product of a Clarity oil refinery are selected, and the oil quality meets the national standard. An insulating structure: the wire insulation is reinforced insulation, and the coil is completely formed into a stay bar inside and outside, so that the impact strength of the coil is ensured.
The insulating assembly between windings adopts a thin paper tube, a small oil gap and a formed hard angle ring structure to improve the insulating strength and the mechanical strength. Alternating current bus outgoing line: the phase line copper bars (24 blocks) are led out from the middle part of the long side of the transformer on two sides, and each side is 12 blocks. The valve side terminals are arranged according to the principle of in-phase inverse parallel connection, and the rated current density of the outgoing copper bar is 1.5A/mm2. Direct-current bus outgoing line: the transformer neutral point direct current outlet copper bars (16 blocks) are led out from the short side surface of the transformer according to the 'up-plus-down-minus'. And (3) a large-current outlet terminal: choose for use my company's utility model patent part "the ditch formula terminal outgoing lines is filled out in the antiseep", stop the terminal oil leak phenomenon completely. And the terminal outlet is magnetically cut by adopting a large-area antimagnetic stainless steel plate, so that the eddy current loss is reduced. An on-load voltage regulating switch: 107-stage voltage regulation, switch type: CM III-600Y/72.5B-18107G. An intelligent electric mechanism and a gear controller are arranged. The connection cable (optical fiber) dedicated to the on-load switch is supplied at the site of 100 m. The load switch is provided with a single small oil conservator, and the volume of the load switch is not less than 10% of the internal volume of the switch. The current transformer is arranged: two groups of current transformers are arranged on each phase of the primary side of the main transformer for measurement and protection (converting direct current side current), and the CT transformation ratio is undetermined. The CT secondary terminal is led out to a current transformer terminal box for external wiring. The oil tank structure: adopt streamlined outward appearance, exempt from to hang core structure, the colour: silver ash. The top of the transformer body and the lower part of the transformer body are provided with anti-loosening measures to ensure that no displacement and no core hanging are generated after the transformer is transported to the site, and the lower part of the oil tank is provided with one oil sampling valve. A manhole is arranged at the load switch for convenient maintenance; the transformer oil tank is provided with a ladder stand to facilitate on-site observation. The transformer is in place: the track roller capable of deflecting by 90 degrees is arranged, and the lower part of the oil tank is provided with a traction device. The body stores up oil tank: the transformer oil is completely isolated from the air by adopting a sealed capsule type. The oil conservator is provided with a pointer type oil level indicator and is output by an electrified contact point; oil injection valve, air release valve, moisture absorber, etc. And (3) protective measures of the transformer: the main body is provided with a gas relay which outputs light gas alarm "Heavy gas' trip signal contact; the on-load switch is provided with a gas relay and outputs a light gas alarm and a heavy gas trip signal to normally open contacts; the capsule type oil conservator is provided with a pointer type oil level gauge output oil level limiting alarm normally-open contact; the transformer is provided with a pressure release valve and is provided with a pressure opening normally-open contact; the transformer is matched with a platinum resistance temperature controller, and a digital display temperature controller is randomly matched. And 4-20 mA standard current signals are attached, so that the oil temperature remote measurement and control can be realized. Signal acquisition: the transformer is provided with a stainless steel control terminal box, the protection signals are collected, and the control signals are connected with the terminal box through high-quality flame-retardant oil-resistant cables. The group signal terminals and the positive and negative terminals are spaced, and the control terminals are more than 20% reserved for standby. The transformer data plate: the stainless steel material marks other conventional data such as basic parameters, performance parameters, wiring schematic diagrams and the like of the transformer.
Secondly, the basic structure and the process of the oil-air cooler are as follows:
the model is as follows: LYF, radiator 4 was prepared as 1.
The supply range of the oil-air cooler comprises: a heat exchanger; a fan; an oil pump; an oil flow relay; an electric contact pressure gauge; an electric contact thermometer; oil confluence lines, etc. Wherein the heat exchanger: the aluminum finned tube heat exchanger is adopted, and the aluminum fins of the heat exchanger are subjected to one-time extrusion tube rolling so as to ensure the heat conductivity coefficient of the radiating tube.
An oil pump: adopt famous brand producer's precision casting disk transformer oil pump, this oil pump chooses the most advanced hydraulic model in the country for use, adopts similar design, therefore the efficiency of pump is extremely high, the performance is good. The motor adopts an axial magnetic field induction motor, the stator and the rotor are formed by two disc-shaped iron cores, the pump and the motor are integrated, shaft seal and mechanical seal are avoided, leakage-free operation is stable, the structure is novel and compact, vibration is small, noise is low, and operation is reliable. An oil flow relay: the whole aluminum alloy is adopted, the action shaft and the indicating shaft are completely independent, the high-strength magnet shaft coupling is adopted, the pointer adopts a shockproof structure, the driving shaft and the pointer shaft are supported by bearings, the action is flexible, and the phenomenon of blocking does not exist. The alarm signal adopts an inlet microswitch, and the reliability is high. Noise: the noise when the cooler oil pump is completely put in is less than 65 dB. The transformer cooling device can automatically switch on or switch off a considerable number of coolers according to the load condition. Butterfly valve: all valves of the cooler are made of special butterfly valves for transformers, and the valve bodies are made of alloy materials. And others: the technical parameters and configurations meet all the provisions of the industry Standard TB/T8315-1996. Overall electric power: about 48 kW.
Thirdly, the structure and the process of the pure water cooler are as follows:
a water pump: the impeller and the pump shell of the stainless steel water pump are both formed by stamping stainless steel section plates, and are all welded at high frequency, so that the materials are guaranteed. The impeller has light weight, uniform flow, low noise and vibration and beautiful appearance. The shell of the motor is formed by cold extrusion of alloy aluminum, so that the motor is light in weight, excellent in heat dissipation effect, small in vibration, low in noise and attractive in appearance. The water quality monitoring device comprises: most water quality testing devices in the industry are self-made, temperature compensation is avoided, errors are extremely large, and damage is extremely easy. The product adopts a special industrial on-line conductivity meter, and has digital display, stable operation and accurate measurement. A water quality exchanger: the inlet and outlet of the water quality exchanger are respectively provided with a special precise filter element, the filtering precision reaches 10 mu, the pressure resistance reaches 16Mpa, and the resin and powder are prevented from entering the main pipeline. The water inlet and outlet pipes are all made of stainless steel and enter from the bottom of the ion exchange column. The water inlet pipe orifice is arranged at the lower end of the ion exchange column, the water outlet is close to the upper end of the ion exchange column, water is pressed in from the lower end, and the resin is flushed into a floating state, so that the exchange capacity of the resin is greatly enhanced, and the water quality is improved; and then the unit is pressed from the upper end. The special quick-mounting clamping sleeve for adding resin and the discharge valve for discharging the resin are arranged, and the resin is added and replaced without any tool for disassembly; saves time and labor and is extremely convenient. A flow annunciator: the mechanical flow switch manufactured professionally is adopted, and the action contact adopts an imported micro switch, so that the service life is long. A high-level water tank: the mounting hole bracket is welded, so that the mounting can be directly carried out; liquid level maintenance valves are arranged on the liquid level meters; the liquid level annunciator adopts a microswitch type, so that the damage and the misoperation caused by adopting a reed switch in the past are avoided. Surface treatment: all iron parts are subjected to rust removal and phosphating treatment, the surface paint adopts high-grade hammer enamel, the main pipeline and accessories adopt sanitary internal and external bright stainless pipes, and the stainless pipes are formed by argon welding and polishing, so that the corrosion resistance is improved, and the integral appearance is attractive.
As shown in fig. 1 to 10, a stable double-rectifier transformer device for a graphitizing electric furnace includes a rectifier chamber 1, at least one of a first rectifier transformer 2, a second rectifier transformer 3, and a second rectifier transformer for supplying power to the graphitizing electric furnace is installed in the rectifier chamber, two sets of rectifier cabinets, two sets of oil-air coolers 15, and two sets of pure water coolers 16 are installed in the rectifier chamber, the first rectifier transformer and the second rectifier transformer are respectively provided with a rectifier cabinet, an oil-air cooler, and a pure water cooler, and a capacity of the first rectifier transformer is greater than a capacity of the second rectifier transformer, such as: the large transformer has a capacity of 6000KVA, and then the small transformer has a capacity of 3000 KVA. Transmitting power by using a 3000KVA rectifier transformer in 180 hours at the early stage, and switching to a 6000KVA transformer for power transmission after the temperature and the load come, and then switching the 3000KVA rectifier transformer to the next furnace for continuous power transmission, namely, simultaneously transmitting power to two transformers, so that the capacity is improved, the use efficiency of the transformers is improved, the power factor of the transformers is improved and the loss of the transformers is reduced, two sides of a rectifying chamber are hinged with chamber doors, the bottom of the rectifying chamber is provided with a translation rail 7, the chamber doors are provided with a translation rail 8 corresponding to the translation rail, the splicing of the translation rail and the translation rail is realized after the chamber doors are opened, and then the first rectifier transformer and the second rectifier transformer are conveniently moved out of the rectifying chamber for maintenance; a high-strength heat-insulating structure is arranged on the inner wall of the rectification chamber body; the high-strength heat-insulating structure 6 comprises a heat-insulating baffle body 601, a heat-exchanging heat-insulating pipe input port 603 is arranged on the upper side of one end of the heat-insulating baffle body 601, one end of the heat-exchanging heat-insulating pipe input port 603 is fixedly connected with the upper side of one end of the heat-insulating baffle body 601, a condenser pipe input port 602 is arranged on the lower side of the other end of the heat-insulating baffle body 601, one end of the condenser pipe input port 602 is fixedly connected with the lower side of the other end of the heat-insulating baffle body 601, a first reinforcing block 604 is arranged on the outer wall of the condenser pipe input port 602, the first reinforcing block 604 is fixedly connected with the condenser pipe input port 602, a second reinforcing block 610 is arranged on the outer wall of the heat-exchanging heat-insulating pipe input port 603, the condenser pipe input port 602 and the heat-exchanging heat-insulating pipe input port 603 are arranged, and different internal pipelines can be respectively connected, different effects are achieved. Install a plurality of ventilation holes on 1 lateral wall of rectification room, install heat dissipation adjustment mechanism 5 in the ventilation hole, heat dissipation adjustment mechanism 5 includes by outer filter screen 9 of installing in proper order to interior, adjustment disk 10, interior filter screen 11, the adjustment disk includes fixed disk 12, the articulated a plurality of fan-shaped deep bead 13 of installing in the fixed disk outside, the pivot position department of deep bead is connected with inverter motor, correspond deep bead position equipartition on the fixed disk and seted up a plurality of ventilative hole crowd 14, cover the quantity of ventilative hole through adjusting fan-shaped deep bead, change the intake, realize the temperature regulation to internal transformer.
Further, the inside of heat preservation baffle main part 601 is provided with heat preservation baffle mechanism 605, the inside of heat preservation baffle mechanism 5 is provided with first pipe inner chamber way and places horizontal groove 606 and second pipe inner chamber way and place horizontal groove 607, and first pipe inner chamber way is placed horizontal groove 606 and second pipe inner chamber way and is placed the inside at heat preservation baffle mechanism 605 of the equal embedded type of horizontal groove 607, first pipe inner chamber way is placed horizontal groove 606 and second pipe inner chamber way and is placed the setting of horizontal groove 607, let inside pipeline can carry out effectual placing and fixed.
Further, the inside that horizontal groove 606 was placed to first pipe inner chamber way is provided with condensation duct 609, and condensation duct 609 and first pipe inner chamber way place horizontal groove 606 fixed connection, the inside that horizontal groove 607 was placed to second pipe inner chamber way is provided with heat exchange insulating tube 608, and heat exchange insulating tube 608 and second pipe inner chamber way place horizontal groove 607 fixed connection, the condensation duct 609 of setting can provide refrigerated effect for the device, and heat exchange insulating tube 608's setting provides the effect of thermalization.
Further, the preceding terminal surface of heat preservation baffle main part 601 is provided with buckle fixed orifices groove 611, and buckle fixed orifices groove 611 is provided with seven, the both sides of seven buckle fixed orifices grooves 611 all are provided with first anti-skidding friction paster 612, and first anti-skidding friction paster 612 is provided with a plurality of, the first anti-skidding friction paster 612 of a plurality of all with heat preservation baffle main part 601 fixed connection, the inside of the first anti-skidding friction paster 612 of a plurality of all is provided with first mounting hole groove 613, when the buckle fixed orifices groove 611 that sets up can let outside connection sheetmetal carry out erection joint, utilize first mounting hole groove 613 to carry out the connection of slidingtype, thereby carry out convenient adjustment in the position, thereby let the convenient connection to heat preservation baffle main part 601 of outside connecting block.
The utility model discloses a rectifier cell, including the rectifying chamber, the rectifying chamber is equipped with a plurality of ventilation holes on the outside wall, install heat dissipation adjustment mechanism on the ventilation hole, heat dissipation adjustment mechanism includes by outer filter screen, adjustment disk, the interior filter screen of installing in proper order outside to, and the adjustment disk includes the fixed disk, and the articulated a plurality of fan-shaped deep beads of installing in the fixed disk outside, the pivot position department of deep bead is connected with inverter motor, corresponds deep bead position equipartition on the fixed disk and has seted up a plurality of ventilative holes. Furthermore, the anti-slip convex soft blocks 614 are arranged inside the seven buckle fixing hole grooves 611, a plurality of anti-slip convex soft blocks 614 are arranged, the anti-slip convex soft blocks 614 are fixedly connected with the insides of the seven buckle fixing hole grooves 611, and the anti-slip convex soft blocks 614 are arranged, so that when the device is connected, the friction force of the connecting part is increased, and the probability of falling off of elements is reduced.
Further, both ends of heat preservation baffle main part 601 all are provided with second anti-skidding friction paster 615, and second anti-skidding friction paster 615 is eight, and eight second anti-skidding friction pasters 615 all with the both ends fixed connection of heat preservation baffle main part 601, the setting of second anti-skidding friction paster 615 can let the device frictional force in the junction strengthen, reduces the probability that drops.
Further, the rear end face of heat preservation baffle main part 1 is provided with connects fixed block 616, and it is provided with four to connect fixed block 616, four connect fixed block 616 all with the rear end face fixed connection of heat preservation baffle main part 1, four both sides of connecting fixed block 16 all are provided with screw thread adjusting rod 618, and screw thread adjusting rod 618 is provided with eight, the inside of connecting fixed block 616 is run through and extend to the one end of eight screw thread adjusting rod 618, the other end of eight screw thread adjusting rod 618 all is provided with metal rotor 617, four inboard of connecting fixed block 616 all are provided with spacing groove 619, screw thread adjusting rod 618's rotation can effectually carry out convenient rotation adjustment to the connection.
Further, the lower end face of the heat preservation baffle main body 601 is provided with five second mounting hole grooves 620, four connecting fixing blocks 616 are internally provided with four embedded buckle hole grooves 622, the embedded buckle hole grooves 622 are provided with four, one ends of eight threaded adjusting rods 618 are respectively provided with a fixing block 624, one side of the fixing block 624 is fixedly connected with one ends of the eight threaded adjusting rods 618, four connecting fixing blocks 616 are internally provided with eight third mounting hole grooves 623, the third mounting hole grooves 623 are respectively provided with eight second mounting hole grooves 620 arranged on the lower end face of the heat preservation baffle main body 601, the heat preservation baffle main body 601 can be stably placed in mounting connection, the four connecting fixing blocks 616 are internally provided with embedded buckle hole grooves 622, and external connecting blocks are more stable in connection.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a two rectifier transformer devices of stable form for graphitizing electric furnace which characterized in that: the device comprises a rectifying chamber (1), wherein a first rectifier transformer (2), a plurality of second rectifier transformers (3), two groups of rectifier cabinets, two groups of oil-air coolers and two groups of pure water coolers are arranged in the rectifying chamber (1) and used for supplying power to a graphitizing electric furnace, the first rectifier transformer and the second rectifier transformer are respectively provided with the rectifier cabinet, the oil-air cooler and the pure water cooler, the capacity of the first rectifier transformer is larger than that of the second rectifier transformer, one side position of the rectifying chamber is hinged with a chamber door (4), translation rails (7) are arranged in the rectifying chamber corresponding to the bottoms of the first rectifier transformer (2) and the second rectifier transformer (3), and a transfer rail (8) is arranged on the chamber door corresponding to the translation rails; a high-strength heat-insulating structure (6) is arranged on the inner wall of the rectification chamber body; the high-strength heat insulation structure comprises a heat insulation baffle main body, wherein a heat exchange heat insulation pipe input port (603) is arranged on the upper side of one end of the heat insulation baffle main body (601), one end of the heat exchange heat insulation pipe input port (603) is fixedly connected with the upper side of one end of the heat insulation baffle main body (601), a condenser pipe input port (602) is arranged on the lower side of the other end of the heat-preservation baffle plate main body (601), one end of the input port (602) of the condensation pipe is fixedly connected with the lower side of the other end of the heat-preservation baffle plate main body (601), the outer wall of the input port (602) of the condensation pipe is provided with a first reinforcing block (604), and the first reinforcing block (604) is fixedly connected with the input port (602) of the condensing tube, the outer wall of the heat exchange insulating pipe input port (603) is provided with a second reinforcing block (610), the second reinforcing block (610) is fixedly connected with the input port (603) of the heat exchange insulating pipe;
a heat-insulating baffle mechanism (605) is arranged inside the heat-insulating baffle main body (601), a first pipe inner cavity channel placing transverse groove (606) and a second pipe inner cavity channel placing transverse groove (607) are arranged inside the heat-insulating baffle mechanism (605), and the first pipe inner cavity channel placing transverse groove (606) and the second pipe inner cavity channel placing transverse groove (607) are installed inside the heat-insulating baffle mechanism (605) in an embedded mode;
a condensing pipeline (609) is arranged inside the first pipe inner cavity placing transverse groove (606), the condensing pipeline (609) is fixedly connected with the first pipe inner cavity placing transverse groove (606), a heat exchange heat preservation pipeline (608) is arranged inside the second pipe inner cavity placing transverse groove (607), the heat exchange heat preservation pipeline (608) is fixedly connected with the second pipe inner cavity placing transverse groove (607), the outer wall of the heat exchange heat preservation pipeline (608) is provided with a plurality of electric wire heating rods (621), and the electric wire heating rods (621) are arranged;
be provided with a plurality of ventilation holes on the rectification outdoor side wall, be provided with heat dissipation adjustment mechanism (5) on the ventilation hole, heat dissipation adjustment mechanism includes by outer filter screen (9), adjusting disk (10), interior filter screen (11) that set gradually on the rectification outdoor side wall to interior.
2. The stabilized double rectifier transformer device for the graphitized electric furnace as set forth in claim 1, wherein: the adjusting disk (10) comprises a fixed disk (12), a plurality of fan-shaped wind shields (13) are hinged to the outer side of the fixed disk, a variable frequency motor is connected to the position of a rotating shaft of the wind shields, and a plurality of ventilation holes (14) are formed in the fixed disk corresponding to the uniform distribution of the positions of the wind shields.
3. The stabilized double rectifier transformer device for the graphitized electric furnace as set forth in claim 1, wherein: the front end face of the heat preservation baffle main body (601) is provided with a buckle fixing hole groove (611), the buckle fixing hole groove (611) is provided with seven, first anti-skidding friction patches (612) are arranged on two sides of the buckle fixing hole groove (611), the first anti-skidding friction patches (612) are provided with a plurality of first installation hole grooves (613), the first anti-skidding friction patches (612) are fixedly connected with the heat preservation baffle main body (601), and the first installation hole grooves (613) are formed in the first anti-skidding friction patches (612).
4. The stabilized double rectifier transformer device for the graphitized electric furnace as set forth in claim 1, wherein: the rear end face of heat preservation baffle main part (601) is provided with connects fixed block (616), and connects fixed block (616) and be provided with four, four connect fixed block (616) all with the rear end face fixed connection of heat preservation baffle main part (601), four the both sides of connecting fixed block (616) all are provided with screw thread adjusting rod (618), and screw thread adjusting rod (618) are provided with eight, eight the one end of screw thread adjusting rod (618) is run through and is extended to the inside of connecting fixed block (616), eight the other end of screw thread adjusting rod (618) all is provided with metal rotor plate (617), four the inboard of connecting fixed block (616) all is provided with spacing groove (619).
5. The stabilized double rectifier transformer device for the graphitized electric furnace as set forth in claim 4, wherein: the lower terminal surface of heat preservation baffle main part (601) is provided with second mounting hole groove (620), and second mounting hole groove (620) are provided with five, four the inside of connecting fixed block (616) all is provided with embedded buckle hole groove (622), and embedded buckle hole groove (622) is provided with four, eight the one end of screw thread regulation pole (618) all is provided with fixed block (624), and one side and eight of fixed block (624) the one end fixed connection of screw thread regulation pole (618), four the inside of connecting fixed block (616) both ends all is provided with third mounting hole groove (623), and third mounting hole groove (623) are provided with eight.
CN202110175416.7A 2021-02-06 2021-02-06 Stable double-rectifier transformer device for graphitized electric furnace Active CN112994486B (en)

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Denomination of invention: A Stable Double Rectifier Transformer Device for Graphite Furnace

Granted publication date: 20220624

Pledgee: Zhongyuan Bank Co.,Ltd. Sanmenxia Branch

Pledgor: Henan Wanguan Industrial Co.,Ltd.

Registration number: Y2024980004366