CN2811759Y - Automatic frequency conversion and water supplementing control apparatus for steam boiler - Google Patents
Automatic frequency conversion and water supplementing control apparatus for steam boiler Download PDFInfo
- Publication number
- CN2811759Y CN2811759Y CN 200520082161 CN200520082161U CN2811759Y CN 2811759 Y CN2811759 Y CN 2811759Y CN 200520082161 CN200520082161 CN 200520082161 CN 200520082161 U CN200520082161 U CN 200520082161U CN 2811759 Y CN2811759 Y CN 2811759Y
- Authority
- CN
- China
- Prior art keywords
- controller
- terminal
- cvf
- frequency converter
- steam boiler
- 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
Images
Abstract
The utility model provides an automatic frequency conversion and water supply control device for a steam boiler, which is provided with a controller KZ and a water pump motor D controller KZ which are respectively connected with a frequency converter CVF and a control meter WP through conducting wires, wherein the frequency converter CVF is connected with a water pump motor D through a conductor wire; the control meter WP is connected with a transmitter BS through a conductor wire; the transmitter BS is connected with a water level sensor FB through a pipeline. The utility model can solve the problem existing in the prior art that when water is discontinuously supplied to the steam boiler, influenced steam pressure in the steam boiler is correspondingly changed, so loaded normal operating pressure can not be ensured and also solve the problems of service life and energy saving of the boiler and the pipeline.
Description
Technical field
The utility model relates to the frequency conversion control technique field, specifically a kind of control device that is used for the moisturizing of steam boiler automatic frequency-conversion.
Background technology
Steam boiler is in operation, and the steam pressure in it will keep constant relatively operating pressure, can guarantee thus that the operate as normal of loading needs and the normal service life of boiler, pipeline.For the supplementing water form of steam boiler, mostly adopt the discontinuity moisturizing at present, promptly reduce to down in limited time, open the water pump moisturizing,, stop moisturizing when water level rises in limited time when water level.The problem that it produced is: when the water pump interruption is carried out supplementing water in boiler, steam pressure respective change in the steam boiler is bigger, it not only makes steam pressure reduce easily, have a strong impact on the service pressure of load, and easily boiler and pipeline are caused bigger compression shock, reduced the service life of boiler and pipeline greatly, and energy consumption is bigger.
Chinese patent 200320106084.4 discloses a kind of " steam boiler automatic water-replenishing device ", though solved some technical problem, it also belongs to the form of discontinuity supplementing water.
Summary of the invention
The utility model provides a kind of steam boiler automatic frequency-conversion moisturizing control device, it can solve the discontinuity of prior art existence when the steam boiler supplementing water, the steam pressure respective change that has influence in it is bigger, and can't guarantee service pressure and boiler, pipeline service life and the problem of energy saving of loading.
The utility model is in order to finish goal of the invention, provide following technical scheme: steam boiler automatic frequency-conversion moisturizing control device, it has controller KZ and pump motor D, controller KZ is connected with frequency converter CVF and controller WP respectively by lead, frequency converter CVF is connected with pump motor D by lead, controller WP is connected with transmitter BS by lead, and transmitter BS is connected with level sensor FB by pipeline.
Further technical scheme of the present utility model is: terminal R, the S of frequency converter CVF, T respectively with controller KZ in three-phase electrical source of power output join, terminal L, the V of frequency converter CVF, W join with pump motor D respectively, terminal FWD, the CM of frequency converter CVF, II, GND join with terminal 8-9, the terminal 22-23 of controller WP respectively, connect frequency meter HZ between terminal FM, the AM of frequency converter CVF; The terminal 14-13 of controller WP connects the control power supply of controller KZ respectively, and terminal 7,16 short circuits of controller WP, controller WP terminal 2 connect the positive terminal that transmitter BS negative pole end, WP terminal 15 meet transmitter BS.Among the described controller KZ among the threephase switch K one be in series insurance RD, normally closed button QA, often open button AN, contactor C coil connecting to neutral line N, RD, QA node series contactor C contact, signal lamp HD connecting to neutral line N, the terminal 14 of controller WP meet RD, QA node, WP terminal 13 connecting to neutral line N; Threephase switch K series contactor C power contact respectively joins with frequency converter CVF terminal R, S, T respectively.Described frequency converter CVF model is: CVF-P2 water pump special converter, controller WP model is: WP-D805-020-12-HLP intelligence is regulated controller from the PID that adjusts, transmitter BS model is: 1151 two-wire system differential pressure transmitters, level sensor FB model is: FB-64.
The beneficial effect that the utility model can produce: because of being connected frequency converter CVF between existing controller KZ and the pump motor D, and on controller KZ, connect controller WP, frequency converter CVF and controller WP join, controller WP connects transmitter BS, transmitter BS connects level sensor FB by pipeline, level sensor FB is installed on the drum of steam boiler, it reflects SEA LEVEL VARIATION in the steam boiler at any time by level sensor FB, through transmitter BS, controller WP handles the back and gives frequency converter CVF, frequency converter CVF then successively regulates the height of pump motor D rotating speed by frequency conversion, make the moisturizing water pump that joins with the water source continuous with this, variable is supplementing water in steam boiler, water in it is remained on the constant relatively position, thereby make its interior steam pressure constant relatively, it not only can remain and satisfy the service pressure of load, and can not cause bigger compression shock to boiler and pipeline because of moisturizing, so can guarantee its normal service life, and reduce energy consumption.Extensive use of the present utility model can produce tangible society, economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Fig. 3 is user mode figure of the present utility model.
The specific embodiment
Steam boiler automatic frequency-conversion moisturizing control device of the present utility model, it has controller KZ and pump motor D, controller KZ is connected with frequency converter CVF and controller WP respectively by lead, frequency converter CVF is connected with pump motor D by lead, controller WP is connected with transmitter BS by lead, and transmitter BS is connected with level sensor FB by pipeline 9.Terminal R, the S of frequency converter CVF, T respectively with controller KZ in three-phase electrical source of power output join, terminal L, the V of frequency converter CVF, W join with pump motor D respectively, terminal FWD, the CM of frequency converter CVF, II, GND join with terminal 8-9, the terminal 22-23 of controller WP respectively, connect frequency meter HZ between terminal FM, the AM of frequency converter CVF; The terminal 14-13 of controller WP connects the control power supply of controller KZ respectively, and terminal 7,16 short circuits of controller WP, controller WP terminal 2 connect the positive terminal that transmitter BS negative pole end, WP terminal 15 meet transmitter BS.Among the described controller KZ among the threephase switch K one be in series insurance RD, normally closed button QA, often open button AN, contactor C coil connecting to neutral line N, RD, QA node series contactor C contact, signal lamp HD connecting to neutral line N, the terminal 14 of controller WP meet RD, QA node, WP terminal 13 connecting to neutral line N; Threephase switch K series contactor C power contact respectively joins with frequency converter CVF terminal R, S, T respectively.Described frequency converter CVF model is: CVF-P2 water pump special converter, controller WP model is: WP-D805-020-12-HLP intelligence is regulated controller from the PID that adjusts, transmitter BS model is: 1151 two-wire system differential pressure transmitters, level sensor FB model is: FB-64.
During making, various electrical equipment connections are got final product by above-mentioned requirements.Frequency converter CVF, controller WP, transmitter BS and controller KZ can be installed in the Electric Appliance Cabinet, and frequency meter HZ is installed in the Electric Appliance Cabinet surface.Also Electric Appliance Cabinet can be set, only respectively frequency converter CVF, controller WP, transmitter BS be installed in rational position respectively and get final product.Can also respectively controller WP, transmitter BS and controller KZ be installed in the housing of frequency converter CVF.Moreover, can also only controller KZ be installed in the housing of frequency converter CVF.Level sensor FB is installed on the drum of steam boiler 1 by pipeline, communicates with each other.During work, three-phase alternating-current supply A, B, C and zero line N and controller KZ join, start pump motor D, 8 moisturizings in steam boiler 1 of water pump of joining with water tank 7, this moment, level sensor FB reflected the SEA LEVEL VARIATION in steam boiler 1 drum at any time, and through transmitter BS the water-head signal is become the signal of telecommunication by pipeline 9 and export to controller WP, controller WP compares computing with this signal and setting value, and output is adjusted signal to frequency converter CVF, frequency converter CVF then adjusts the height of the pump motor D rotating speed of continuous duty by conversion frequency, realize that with this water pump 8 is to steam boiler 1 internal variable moisturizing.Steam output pipe road 3, moisturizing pipeline 6 and flue 2 are set respectively on the steam boiler 1, steam output pipe road 3 joins with load, and moisturizing pipeline 6 passes economizer 5 and joins with water pump 8, and water pump 8 joins with water tank 7, flue 2 is connected with economizer 5, connects chimney 4 on the economizer 5.The utility model can make the water level in the steam boiler 1 remain on the constant relatively position, thereby make the steam pressure in it constant relatively, it not only can guarantee and satisfy the service pressure of load, and can not influence service life of steam boiler 1 and pipeline because of the steam pressure that moisturizing produces, and energy-saving effect is apparent in view.The part that the utility model is not described in detail is a known technology.
Claims (4)
1, steam boiler automatic frequency-conversion moisturizing control device, it has controller KZ and pump motor D, it is characterized in that: controller KZ is connected with frequency converter CVF and controller WP respectively by lead, frequency converter CVF is connected with pump motor D by lead, controller WP is connected with transmitter BS by lead, and transmitter BS is connected with level sensor FB by pipeline (9).
2, steam boiler automatic frequency-conversion moisturizing control device according to claim 1, it is characterized in that: terminal R, the S of frequency converter CVF, T respectively with controller KZ in three-phase electrical source of power output join, terminal L, the V of frequency converter CVF, W join with pump motor D respectively, terminal FWD, the CM of frequency converter CVF, II, GND join with terminal 8-9, the terminal 22-23 of controller WP respectively, connect frequency meter HZ between terminal FM, the AM of frequency converter CVF; The terminal 14-13 of controller WP connects the control power supply of controller KZ respectively, and terminal 7,16 short circuits of controller WP, controller WP terminal 2 connect the positive terminal that transmitter BS negative pole end, WP terminal 15 meet transmitter BS.
3, steam boiler automatic frequency-conversion moisturizing control device according to claim 1 and 2, it is characterized in that: one among the described controller KZ among the threephase switch K be in series insurance RD, normally closed button QA, often open button AN, contactor C coil connecting to neutral line N, RD, QA node series contactor C contact, signal lamp HD connecting to neutral line N, the terminal 14 of controller WP meet RD, QA node, WP terminal 13 connecting to neutral line N; Threephase switch K series contactor C power contact respectively joins with frequency converter CVF terminal R, S, T respectively.
4, steam boiler automatic frequency-conversion moisturizing control device according to claim 1, it is characterized in that: described frequency converter CVF model is: CVF-P2 water pump special converter, controller WP model is: WP-D805-020-12-HLP intelligence is regulated controller from the PID that adjusts, transmitter BS model is: 1151 two-wire system differential pressure transmitters, level sensor FB model is: FB-64.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520082161 CN2811759Y (en) | 2005-04-14 | 2005-04-14 | Automatic frequency conversion and water supplementing control apparatus for steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520082161 CN2811759Y (en) | 2005-04-14 | 2005-04-14 | Automatic frequency conversion and water supplementing control apparatus for steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2811759Y true CN2811759Y (en) | 2006-08-30 |
Family
ID=36938149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520082161 Expired - Fee Related CN2811759Y (en) | 2005-04-14 | 2005-04-14 | Automatic frequency conversion and water supplementing control apparatus for steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2811759Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853421A (en) * | 2012-09-21 | 2013-01-02 | 罗泽云 | Energy economizer control system and method |
| CN103676986A (en) * | 2013-12-04 | 2014-03-26 | 广州迪森热能设备有限公司 | Continuous water supply auto-control method and system for steam boilers |
| CN104154526A (en) * | 2014-08-06 | 2014-11-19 | 广西三威林产工业有限公司 | Steam generator feed water control device |
| CN105402718A (en) * | 2015-11-26 | 2016-03-16 | 湖南华信稀贵科技有限公司 | Water supply system of fuming furnace waste heat boiler |
-
2005
- 2005-04-14 CN CN 200520082161 patent/CN2811759Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853421A (en) * | 2012-09-21 | 2013-01-02 | 罗泽云 | Energy economizer control system and method |
| CN103676986A (en) * | 2013-12-04 | 2014-03-26 | 广州迪森热能设备有限公司 | Continuous water supply auto-control method and system for steam boilers |
| CN104154526A (en) * | 2014-08-06 | 2014-11-19 | 广西三威林产工业有限公司 | Steam generator feed water control device |
| CN105402718A (en) * | 2015-11-26 | 2016-03-16 | 湖南华信稀贵科技有限公司 | Water supply system of fuming furnace waste heat boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106452279B (en) | The driving motor for electric automobile controller and control method of integrated charge function | |
| CN104242738B (en) | Frequency conversion and energy saving control device and method for cluster well pumping units | |
| CN2811759Y (en) | Automatic frequency conversion and water supplementing control apparatus for steam boiler | |
| CN203172639U (en) | Double-source system frequency-variable locomotive air conditioner controlling device | |
| CN203399031U (en) | Cluster well oil pumping unit frequency conversion energy-saving control apparatus | |
| CN201118463Y (en) | A high-power high-frequency soft switch IGBT reverse agglomeration power supply | |
| CN206313698U (en) | A kind of frequency conversion and power frequency switching circuit air-cooler | |
| CN212258831U (en) | Multi-winding motor control all-in-one machine | |
| CN205500478U (en) | Energy -conserving elevator control gear of scene | |
| CN2930095Y (en) | Power saving controller for oil field oil pumping unit | |
| CN201113895Y (en) | Oil pumping machine double-power automatic switchover energy-saving electrical distribution box | |
| CN109441791B (en) | Intelligent control system and method for double-pump combined control water injection of water injection station | |
| CN203488388U (en) | Submersible pump wireless remote control device with water level detection function | |
| CN201160269Y (en) | Electric power consumption conserving server of industrial and mining establishment system | |
| CN205955962U (en) | Energy -conserving constant pressure water supply electrical equipment | |
| CN2283274Y (en) | Electronic water level sensor | |
| CN207460052U (en) | A kind of feed pump frequency conversion power frequency operation circuit spare each other | |
| CN206615084U (en) | A kind of charging electric vehicle box | |
| CN214674952U (en) | Star-delta voltage reduction energy-saving control equipment | |
| CN204231253U (en) | A kind of electricity-saving appliance for threephase asynchronous machine | |
| CN201118511Y (en) | Intelligent energy-saving controller for immersed oil power pump | |
| CN204615667U (en) | A kind of battery saving arrangement for power-equipment | |
| CN209483582U (en) | A kind of water-injection station double pump joint control water filling intelligence control system | |
| CN208143099U (en) | A kind of inverter cabinet with heat sinking function | |
| CN209801713U (en) | Dehumidification new trend is control mainboard for all-in-one |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |