CN207468702U - A kind of hot-dip galvanized pot electric heating automatic control system - Google Patents
A kind of hot-dip galvanized pot electric heating automatic control system Download PDFInfo
- Publication number
- CN207468702U CN207468702U CN201721416284.8U CN201721416284U CN207468702U CN 207468702 U CN207468702 U CN 207468702U CN 201721416284 U CN201721416284 U CN 201721416284U CN 207468702 U CN207468702 U CN 207468702U
- Authority
- CN
- China
- Prior art keywords
- zinc
- heating plate
- temperature
- heating
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The utility model provides a kind of hot-dip galvanized pot electric heating automatic control system,Including heating plate,Heating plate thermocouple,Zinc liquid thermocouple,Leak zinc detection device,Automatic temperature control and monitoring alarm control device,Heating plate quantity is multiple,It is set on the outer wall of zinc pot pot front and rear sides,Every three heating plates are one group,A heating plate thermocouple is inserted into a heating plate in every group of heating plate,Automatic temperature control includes multiple identical power adjustment switch boards,Power adjustment switch board is included by the sequentially connected breaker of power end,Fast molten and power regulator,Further include temperature control instrument,With the method indirect control zinc liquid temperature of every group of temperature of heating plate of control,Using the temperature control instrument with production curve setting function,The temperature of heating plate is directly controlled according to the production heating curve of setting,So as to finally obtain stable zinc liquid temperature,Solves the lag situation for directly controlling zinc liquid temperature.
Description
Technical field
The utility model is related to galvanizing by dipping technical field of temperature control, more particularly to a kind of hot-dip galvanized pot electrical heating is certainly
Autocontrol system.
Background technology
Galvanizing by dipping is a kind of effective anti-corrosion of metal mode, is mainly used on the metal structure facility of every profession and trade.Being will
Steel part after derusting is immersed in the zinc liquid of 500 DEG C or so thawings, steel member surface is made to adhere to zinc layers, so as to play corrosion-resistant mesh
's.The zinc pot of galvanizing by dipping may be used Electric heating and zinc liquid heated, and zinc liquid is heated to 500 DEG C or so, zinc pot
Temperature control need to match with production procedure and progress, and the zinc pot temperature of volume greatly is belonged to using electric heating control mode
Big delay long time-delay controlles plants, if directly controlled zinc liquid temperature, temperature control is relatively difficult.
Invention content
In order to solve the problems, such as described in background technology, the utility model provides a kind of hot-dip galvanized pot electrical heating and automatically controls
System using the method indirect control zinc liquid temperature of every group of temperature of heating plate of control, arranges multiple heating plates around zinc pot, will
Heating plate is grouped, and a thermocouple measurement temperature of heating plate is respectively provided in every group of heating plate, using with production curve
The temperature control instrument of function is set, the temperature of heating plate is directly controlled according to the production heating curve of setting, is obtained so as to final
To stable zinc liquid temperature, this control system can carry out heating control to heating plate in advance according to production status, so as to indirectly
Zinc liquid temperature is controlled, solves the lag situation for directly controlling zinc liquid temperature.The Power Regulation of heating plate is carried out using power regulator
Control, to the power electrodeless adjustment of heating plate, improves the control accuracy of temperature of heating plate.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of hot-dip galvanized pot electric heating automatic control system, including heating plate, heating plate thermocouple, zinc liquid thermocouple,
Zinc detection device, automatic temperature control and monitoring alarm control device are leaked, heating plate quantity is multiple, is set to zinc pot pot
On the outer wall of body front and rear sides, every three heating plates are one group, and a heating plate is inserted into a heating plate in every group of heating plate
Thermocouple, zinc liquid thermocouple are inserted into zinc liquid.
The automatic temperature control includes multiple identical power adjustment switch boards, each power adjustment switch board
One group of temperature of heating plate is controlled, power adjustment switch board is included by the sequentially connected breaker of power end, fast molten and power adjustment
Device further includes temperature control instrument, the control output end of temperature control instrument and the control signal input phase of power regulator
Connection, the input terminal connection heating plate thermocouple of temperature control instrument, the power take-off of power regulator connect one group of heating
Plate.
The leakage zinc detection device and zinc liquid thermocouple are connected with the signal input part of monitoring alarm control device.
The mode of connection of the heating plate is：The connection mode of one group of three-phase star-connection is made of three pieces of heating plates,
In every group of heating plate, a wire connection terminal in two wire connection terminals of heating plate interconnects access zero-power line N, another
Wire connection terminal is respectively connected to three-phase output U, V, W ends of power adjustment switch board.
The monitoring alarm control device includes zinc liquid temperature scene display instrument, zinc liquid temperature alarm relay, leakage
Zinc alarm relay and alarm lamp, zinc liquid temperature alarm relay and leakage zinc alarm relay are all connected with alarm lamp, zinc liquid temperature
Live display instrument signal input part connects zinc liquid thermocouple, output terminal connection zinc liquid temperature alarm relay, the alarm of leakage zinc after
Electrical signal input terminal connection leakage zinc detection device.
The leakage zinc detection device is to be set to two metal strips in the bottom of a pan, and two metal strip parallel connections, one end sky connects, separately
One end is signal end, and when zinc pot leaks zinc, metal strip forms short circuit with zinc pot pot, is grounded signal end, as leaks zinc state.
The temperature control instrument may be programmed PID regulator for FP93-8P.
Compared with prior art, the beneficial effects of the utility model are：
1st, a kind of hot-dip galvanized pot electric heating automatic control system of the utility model, arranges multiple heating around zinc pot
Heating plate is grouped by plate, and to every group of heating plate using three-phase star-connection mode, the neutral point of every piece of heating plate is connect
Enter on zero curve N (three-phase four-wire system is all ground wire), heating plate can be grouped and every group shares a power modulators control,
And when can ensure single heating plate failure, it is fast molten can quick acting, do not influence the work of other heating plates in group also.
2nd, a kind of hot-dip galvanized pot electric heating automatic control system of the utility model, one is respectively provided in every group of heating plate
A thermocouple measurement temperature of heating plate, using the temperature control instrument with production curve setting function, according to the production of setting
Heating curve directly controls the temperature of heating plate, and according to the different location of every group of heating plate, can set every group of heating plate
Different heating curves is set to, so as to finally obtain stable zinc liquid temperature, this control system can shift to an earlier date according to production status
Heating control is carried out to heating plate, so as to indirect control zinc liquid temperature, solves the lag situation for directly controlling zinc liquid temperature.
3rd, a kind of hot-dip galvanized pot electric heating automatic control system of the utility model, is heated using power regulator
The Power Regulation control of plate, to the power electrodeless adjustment of heating plate, improves the control accuracy of temperature of heating plate.
Description of the drawings
Fig. 1 is a kind of structure arrangement schematic diagram of hot-dip galvanized pot electric heating automatic control system of the utility model；
Fig. 2 is a kind of electric hookup of hot-dip galvanized pot electric heating automatic control system of the utility model；
Fig. 3 is that a kind of power adjustment of hot-dip galvanized pot electric heating automatic control system of the utility model controls cabinet
Schematic diagram；
Fig. 4 is a kind of monitoring alarm control device knot of hot-dip galvanized pot electric heating automatic control system of the utility model
Structure schematic diagram；
Fig. 5 is that a kind of power adjustment switch board master of hot-dip galvanized pot electric heating automatic control system of the utility model returns
Road electrical schematic diagram；
Fig. 6 is that a kind of temperature control instrument terminal of hot-dip galvanized pot electric heating automatic control system of the utility model connects
Line schematic diagram；
Fig. 7 is a kind of control terminal of the power regulator of hot-dip galvanized pot electric heating automatic control system of the utility model
Mouth wiring diagram；
Fig. 8 is a kind of monitoring alarm control device of hot-dip galvanized pot electric heating automatic control system of the utility model
Electric operation control circuit figure.
Specific embodiment
Specific embodiment provided by the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of hot-dip galvanized pot electric heating automatic control system, including heating plate R1-R18, heating plate heat
Galvanic couple T1-T6, zinc liquid thermocouple T10 and T11, leakage zinc detection device LX1 and LX2, automatic temperature control and monitoring alarm
Control device, heating plate quantity are multiple, are set on the outer wall of zinc pot pot front and rear sides, and every three heating plates are one group, often
A heating plate thermocouple is inserted into a heating plate in group heating plate, zinc liquid thermocouple is inserted directly into zinc liquid.
The bottom of a pan heating tape R20 is additionally provided in the hot-dip galvanized pot electric heating automatic control system, for the first of zinc pot
Begin to heat up, be heated during normal production without the bottom of a pan.
The leakage zinc detection device is to be set to two metal strips in the bottom of a pan, and two metal strip parallel connections, one end sky connects, separately
One end is signal end, and during zinc pot leakage zinc, metal strip forms short circuit with zinc pot pot, due to zinc pot pot metal plate earthing (i.e.
It connects zero), is grounded leakage zinc signal end, as leak zinc state.
The automatic temperature control includes multiple identical power adjustment switch boards, each power adjustment switch board
One group of temperature of heating plate is controlled, as shown in figure 3, power adjustment switch board includes melting by the sequentially connected breaker of power end, soon
(fastp-acting fuse) and power regulator further include temperature control instrument, control output end and the power tune of temperature control instrument
The control signal input of whole device is connected, the input terminal connection heating plate thermocouple of temperature control instrument, power regulator
Power take-off connects one group of heating plate.
As shown in Fig. 2, the mode of connection of the heating plate is：One group of three-phase star-connection is formed by three pieces of heating plates
Connection mode, a wire connection terminal in every group of heating plate in two wire connection terminals of every piece of heating plate interconnect access power supply
Zero curve N, another wire connection terminal are respectively connected to three-phase output U, V, W ends of power adjustment switch board.
The leakage zinc detection device, zinc liquid thermocouple are connected with the signal input part of monitoring alarm control device.
As shown in figure 4, the monitoring alarm control device includes zinc liquid temperature scene display instrument, zinc liquid temperature is alarmed
Relay, leakage zinc alarm relay and alarm lamp, zinc liquid temperature alarm relay and leakage zinc alarm relay are all connected with alarm lamp,
Zinc liquid temperature scene display instrument signal input part connection zinc liquid thermocouple, output terminal connection zinc liquid temperature alarm relay, leakage
Zinc alarm relay signal input part connection leakage zinc detection device.
As shown in figure 5, the main circuit electrical schematic diagram for power adjustment switch board, wherein, 101KD is breaker, FU11-
FU13 is that fast molten, P1 is power regulator, and power regulator P1 output terminals connect heating plate R1-R3, gone back on the line of output terminal
Current transformer TA11-TA13, current transformer TA11-TA13 signal output ends connection ammeter PA11-PA113 are installed.
As shown in fig. 6, the control port wiring diagram for temperature control instrument, wherein, the 7th, No. 8 port is signal input part
Mouthful, meet thermocouple T1, the 14th, No. 15 port signal output port in order to control meets power regulator P1.
As shown in fig. 7, the control port wiring diagram for power regulator P1, wherein, C+ and C- ports connect to be controlled by temperature
Instrument and come control signal.It is automatic control mode by temperature control instrument control mode, also manual adjusting style, manually
Potentiometer 11RW is used to manually adjust heating plate power, also start stop switch 11SB and manual automatic conversion knob 12SB.
The temperature control instrument may be programmed PID regulator for FP93-8P.With 4 suite lines, every group 10 sections, also may be used
One group of maximum 40 sections of curve, 59 points of every section of maximum duration 99 hours, the systemic circulation that program can be 9999 times, non-overshoot expert PID is calculated
Method, also scrapes the output violent change parameter of 6 groups of independence, and the anti-overshoot of 6 groups of independences is drawn up coefficient, is set in a manner of sitting in the right seat
In curve, adjustment parameter, output power and anti-overshoot, less stress of different warm areas etc. is made to obtain best matching.Advanced area
Domain PID (zone) technology realizes that pid parameter can automatically turn with bottom warm area-regional change of middle warm area-high-temperature region three
It changes.Different heating curves according to the different situations of output and progress can be set, adapt to different production status.
The heating plate thermocouple T1-T6, zinc liquid thermocouple T10 and T11 are K-type thermocouple.
Xi Mandun ZAC29C bank of power adjusters may be used in the power regulator.
As shown in figure 8, the electric operation control circuit figure for the monitoring alarm control device, including the high temperature of zinc liquid temperature
The control loop design and alarm lamp and report of alarm relay J11, low-temperature warning relay J12 and leakage zinc alarm relay J13
The design of alert buzzer.
The utility model uses the temperature control instrument with production curve setting function, is heated up according to the production of setting bent
Line directly controls the temperature of heating plate, and according to the different location of every group of heating plate, can be set as every group of heating plate not
Same heating curve, so as to finally obtain stable zinc liquid temperature, this control system can be according to production status in advance to heating
Plate carries out heating control, so as to indirect control zinc liquid temperature, solves the lag situation for directly controlling zinc liquid temperature.
Above example is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (5)
1. a kind of hot-dip galvanized pot electric heating automatic control system, which is characterized in that including heating plate, heating plate thermocouple, zinc
Liquid thermocouple, leakage zinc detection device, automatic temperature control and monitoring alarm control device, heating plate quantity are multiple, if
It is placed on the outer wall of zinc pot pot front and rear sides, every three heating plates are one group, are inserted into a heating plate in every group of heating plate
One heating plate thermocouple, zinc liquid thermocouple are inserted into zinc liquid；
The automatic temperature control includes multiple identical power adjustment switch boards, each power adjustment switch board control
One group of temperature of heating plate, power adjustment switch board include, by the sequentially connected breaker of power end, fast molten and power regulator, going back
Including temperature control instrument, the control output end of temperature control instrument is connected with the control signal input of power regulator,
The input terminal connection heating plate thermocouple of temperature control instrument, the power take-off of power regulator connect one group of heating plate；
The leakage zinc detection device and zinc liquid thermocouple are connected with the signal input part of monitoring alarm control device.
2. a kind of hot-dip galvanized pot electric heating automatic control system according to claim 1, which is characterized in that described adds
The mode of connection of hot plate is：It is made of the connection mode of one group of three-phase star-connection three pieces of heating plates, in every group of heating plate, heating
A wire connection terminal in two wire connection terminals of plate interconnects access zero-power line N, another wire connection terminal is respectively connected to
Three-phase output U, V, W ends of power adjustment switch board.
A kind of 3. hot-dip galvanized pot electric heating automatic control system according to claim 1, which is characterized in that the prison
It controls alarm control unit and includes zinc liquid temperature scene display instrument, zinc liquid temperature alarm relay, leakage zinc alarm relay and report
Warning lamp, zinc liquid temperature alarm relay and leakage zinc alarm relay are all connected with alarm lamp, zinc liquid temperature scene display instrument signal
Input terminal connects zinc liquid thermocouple, output terminal connection zinc liquid temperature alarm relay, and leakage zinc alarm relay signal input part connects
Connect leakage zinc detection device.
A kind of 4. hot-dip galvanized pot electric heating automatic control system according to claim 1, which is characterized in that the leakage
Zinc detection device is to be set to two metal strips in the bottom of a pan, and two metal strip parallel connections, one end sky connects, and the other end is signal end, zinc
During pot leakage zinc, metal strip forms short circuit with zinc pot pot, is grounded signal end, as leaks zinc state.
A kind of 5. hot-dip galvanized pot electric heating automatic control system according to claim 1, which is characterized in that the temperature
Degree control instrument may be programmed PID regulator for FP93-8P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416284.8U CN207468702U (en) | 2017-10-30 | 2017-10-30 | A kind of hot-dip galvanized pot electric heating automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416284.8U CN207468702U (en) | 2017-10-30 | 2017-10-30 | A kind of hot-dip galvanized pot electric heating automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207468702U true CN207468702U (en) | 2018-06-08 |
Family
ID=62265573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416284.8U Expired - Fee Related CN207468702U (en) | 2017-10-30 | 2017-10-30 | A kind of hot-dip galvanized pot electric heating automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207468702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058994A (en) * | 2020-07-31 | 2022-02-18 | 上海梅山钢铁股份有限公司 | Zinc pot chute with self-diagnosis function |
-
2017
- 2017-10-30 CN CN201721416284.8U patent/CN207468702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058994A (en) * | 2020-07-31 | 2022-02-18 | 上海梅山钢铁股份有限公司 | Zinc pot chute with self-diagnosis function |
| CN114058994B (en) * | 2020-07-31 | 2024-03-01 | 上海梅山钢铁股份有限公司 | Zinc pot chute with self-diagnosis function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60119531T2 (en) | PROGRAMMABLE HOT WATER HEATING SYSTEM | |
| CN107726442A (en) | A kind of heat supply network balance regulation method | |
| WO2014173897A1 (en) | Method for controlling a cooking process | |
| CN207468702U (en) | A kind of hot-dip galvanized pot electric heating automatic control system | |
| CN205567273U (en) | Water self -heating device is irrigated in greenhouse | |
| CN105867242A (en) | Intelligent power distribution cabinet and control method thereof | |
| DE2756182C2 (en) | Device for regulating the energy supplied to a heat exchange medium as a function of its temperature | |
| CN209877103U (en) | Heat exchange station intelligence PLC switch board | |
| CN208253968U (en) | A kind of multi-functional leakage guarantor power supply line control system | |
| WO2022270496A1 (en) | Acquiring a user consumption pattern of domestic hot water and controlling domestic hot water production based thereon | |
| CN204134659U (en) | A kind of thermostat water bath of automatic feeding water | |
| CN106770965A (en) | Multiple target temperature control pond and water temperature regulation and control method | |
| CN216931304U (en) | Intelligent low-temperature cold irrigation treatment device for rice | |
| CN109871049A (en) | A kind of heat forming equipment multi-zone temperature control system | |
| CN109433287A (en) | A kind of cooling water tank with heat preservation temperature controlling function | |
| CN206387794U (en) | Multiple target temperature control pond | |
| DE3127184A1 (en) | Heater (radiator) thermostat with night-time (off-peak) lowering | |
| CN106969492A (en) | Farming and animal husbandry individual layer scale water intelligent heating system | |
| JPH0337110B2 (en) | ||
| CN106705209A (en) | Electric boiler warm electricity control system and method | |
| CN206989447U (en) | Farming and animal husbandry individual layer scale water intelligent heating system | |
| CN206847827U (en) | The caliberating device of commercial circulation heat pump water heater test device | |
| DE102010049341A1 (en) | System for controlling circulation pump utilized for providing hot tap water at all tapping points of hot water distribution, has time control unit for defining preheating phase and defining hold-off period in one phase | |
| CA3176725A1 (en) | System for controlling hot water cylinders | |
| CN206821912U (en) | A kind of braised chicken cooking device of new type auto control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180608 Termination date: 20181030 |