CN106152524A - Boiler hot wind furnace energy-saving control device - Google Patents

Boiler hot wind furnace energy-saving control device Download PDF

Info

Publication number
CN106152524A
CN106152524A CN201510136367.0A CN201510136367A CN106152524A CN 106152524 A CN106152524 A CN 106152524A CN 201510136367 A CN201510136367 A CN 201510136367A CN 106152524 A CN106152524 A CN 106152524A
Authority
CN
China
Prior art keywords
air
converter
plc control
signal output
control cabinet
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.)
Pending
Application number
CN201510136367.0A
Other languages
Chinese (zh)
Inventor
刘晓光
鲍福昌
李才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jixi City Hua Ye Energy-Conserving And Environment-Protective Science And Technology Ltd
Original Assignee
Jixi City Hua Ye Energy-Conserving And Environment-Protective Science And Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jixi City Hua Ye Energy-Conserving And Environment-Protective Science And Technology Ltd filed Critical Jixi City Hua Ye Energy-Conserving And Environment-Protective Science And Technology Ltd
Priority to CN201510136367.0A priority Critical patent/CN106152524A/en
Publication of CN106152524A publication Critical patent/CN106152524A/en
Pending legal-status Critical Current

Links

Landscapes

  • Regulation And Control Of Combustion (AREA)

Abstract

The invention belongs to energy-saving equipment, be a kind of boiler hot wind furnace energy-saving control device.Including combustion chamber draft sensor, oxygen content sensor, outdoor temperature sensor, PLC control cabinet, air-introduced machine converter, blower variable frequency device, fire grate converter;The signal output part of combustion chamber draft sensor, oxygen content sensor and outdoor temperature sensor, second input defeated with the first of PLC control cabinet and the 3rd input port respectively are connected;The first of PLC control cabinet, second and the 3rd signal output port connect air-introduced machine converter respectively, blower variable frequency device and fire grate converter signal input port, air-introduced machine converter, the signal output port of blower variable frequency device and fire grate converter connects with the controlled end of air-introduced machine, aerator and fire grate respectively;The present invention uses PLC control system, and the relevant parameter running boiler, air stove carries out scientific offering, auto-control, intuitively shows, it is achieved save the purpose of the energy.

Description

Boiler hot wind furnace energy-saving control device
Technical field
The present invention relates to energy-saving equipment, be specifically a kind of boiler hot wind furnace energy-saving control device.
Background technology
Two patents of inventor's invention, the air stove economizing on energy and electricity device (patent No. 201120350891.5), boiler energy-saving battery saving arrangement (patent No. 201120350884.5), use become Frequency controls and micro-electronic sensor technology, outdoor environment temperature is divided into N number of temperature section, by theory The method calculated, calculates heat user actually required thermic load in Current Temperatures section, i.e. boiler, heat The heat that wind furnace currently should export, and then determine the current i.e. running speed of air-introduced machine air quantity, combustion chamber draft Sensor continuous tracking and monitoring combustion chamber draft, and adjust blower speed in time, make aerator air output Mate with air-introduced machine absorbing quantity, it is ensured that combustion chamber draft is in preset parameter range all the time, it is achieved that joint The about purpose of fuel electric power.Through 3 years operative practice, find to still have several drawbacks.One is can only According to sky temperature, air-introduced machine rotating speed, blower speed, three groups of operational factors of combustion chamber draft are carried out same Step controls to coordinate, to the fire grate speed of service, the relevant parameter such as the rotating speed of water circulating pump (or hot-air blower) without Method Synchronization Control is coordinated, and experience can only be relied on manually to regulate by fireman, easily occur that boiler operatiopn is lost Adjust, affect energy-conservation and heating effect, even damage equipment;Two is owing to above-mentioned control device can not be right In boiler, air stove smoke evacuation, oxygen concentration control effectively, and makes oxygen concentration and air-introduced machine rotating speed, Blower speed, the fire grate speed of service, water circulating pump rotating speed, the parameter Auto-matching such as combustion chamber draft power. Entirely manually regulate by fireman, thus affect energy-saving effect.Three is cannot intuitively to show when front furnace is born Pressure, in smoke evacuation, oxygen concentration and fire grate, blower fan, the current speed of service of water pump (or hot-air blower) are (frequently Rate), it is unfavorable for that stoker personnel observe boiler operatiopn state at any time, can take in time when a problem occurs Measure.
Summary of the invention
The present invention is to solve the problems referred to above, and a kind of boiler hot wind furnace energy-saving control device proposed. Boiler, the every operational factor of air stove are made overall arrangements by this device, scientific offering, automatic synchronization Controlling to coordinate, these parameters include, combustion chamber draft power, oxygen concentration in smoke evacuation, air-introduced machine rotating speed, Blower speed, the fire grate speed of service, the rotating speed of water circulating pump (or hot-air blower), above-mentioned parameter is received Enter PLC control system, realize above-mentioned parameter is carried out synchronization control system association by PLC control system Adjust, thus reach effectively to control boiler, air stove operation, it is achieved the purpose of economize on electricity of economizing on coal.Additionally lead to Cross PLC control cabinet and intuitively show above-mentioned operational factor, observe boiler, air stove running status at any time.
The boiler hot wind furnace energy-saving control device of the present invention includes that combustion chamber draft sensor, oxygen content sense Device, outdoor temperature sensor, PLC control cabinet, air-introduced machine converter, blower variable frequency device, fire grate Converter;The signal output part of combustion chamber draft sensor is connected with the first input port of PLC control cabinet, The signal output part of oxygen content sensor is connected with the second input port of PLC control cabinet, outdoor temperature The signal output part of sensor is connected with the 3rd input port of PLC control cabinet;The of PLC control cabinet One signal output port connects the signal input part of air-introduced machine converter, and the signal of air-introduced machine converter is defeated Go out end to be connected with the controlled end of air-introduced machine;The secondary signal output port of PLC connects aerator The signal input part of converter, the signal output part of blower variable frequency device is connected with the controlled end of aerator; 3rd signal output port of PLC control cabinet connects the signal input part of fire grate converter, fire grate frequency conversion The signal output part of device is connected with the controlled end of fire grate.
Saving the fundamental policy that the energy is country, meaning of the present invention is to utilize employing PLC to control system System, runs relevant parameter all include PLC control system, overall arrangement, section in by boiler, air stove Learn and arrange, auto-control, intuitively show, it is achieved save the purpose of the energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention,
Detailed description of the invention
As it is shown in figure 1, the present invention includes combustion chamber draft sensor 1, oxygen content sensor 10, outdoor Temperature sensor 9, PLC control cabinet 2, air-introduced machine converter 3, blower variable frequency device 5, fire grate become Frequently device 8;The signal output part of combustion chamber draft sensor 1 and the first input port of PLC control cabinet 2 Connecting, the signal output part of oxygen content sensor 10 is connected with the second input port of PLC control cabinet 2, The signal output part of outdoor temperature sensor 9 is connected with the 3rd input port of PLC control cabinet 2;PLC First signal output port of switch board 2 connects the signal input part of air-introduced machine converter 3, air-introduced machine The signal output part of converter 3 is connected with the controlled end of air-introduced machine 4;Second letter of PLC control cabinet 2 Number output port connects the signal input part of blower variable frequency device 5, and the signal of blower variable frequency device 5 is defeated Go out end to be connected with the controlled end of aerator 6;3rd signal output port of PLC control cabinet connects fire grate The signal input part of converter 8, the signal output part of fire grate converter 8 connects with the controlled end of fire grate 7 Connect.
The present invention is by oxygen-containing for the smoke evacuation of the pressure signal of combustion chamber draft sensor 1, oxygen content sensor 10 Concentration signal, the temperature signal of outdoor temperature sensor 9 are concurrently accessed PLC control cabinet 2, by PLC Switch board 2 sends control instruction according to the signal of input, is defeated by air-introduced machine converter 3, air blast respectively Machine converter 5 and fire grate converter 8, control boiler or air stove runs.
Outdoor temperature sensor 9 monitors outdoor temperature continuously, and outer variations in temperature enters a certain temperature Duan Shi, PLC control cabinet 2 controls to air-introduced machine converter 3 output order, and air-introduced machine converter 3 is pressed 50HZ runs air-introduced machine 4, and after reaching 50HZ 10 seconds, PLC control cabinet 2 controls to blower variable frequency Device 5 output order, blower variable frequency device 5 runs aerator 6 by this temperature section preset requirement frequency, After reaching predeterminated frequency 10 seconds, air-introduced machine converter 5 runs slowly, and combustion chamber draft starts to be gradually reduced, When combustion chamber draft preset value, combustion chamber draft sensor 1 passes through PLC control cabinet 2 to air-introduced machine frequency conversion Device 3 output order, stopping slowing down maintains present speed to run, and i.e. maintenance combustion chamber draft is stable is presetting Rationally in optimum range.
The speed of service of fire grate 7 is effectively controlled by oxygen content sensor 10 by PLC control cabinet 2 System, when the oxygen concentration detected in boiler hot air fire grate cigarette is more than parameter preset, PLC control cabinet 2 Controlling fire grate converter 8 makes fire grate 7 accelerate, and boiler coal supply amount increases, and now in smoke evacuation, oxygen concentration subtracts Few, when in smoke evacuation, oxygen concentration reaches parameter preset, fire grate 7 stops accelerating, and maintains current speed Degree runs.When the oxygen concentration detected in boiler exhaust gas is less than parameter preset, PLC control cabinet 2 Controlling fire grate converter 8 makes fire grate 7 slow down, and boiler coal supply amount reduces, and now in smoke evacuation, oxygen concentration increases Adding, when in smoke evacuation, oxygen concentration reaches parameter preset, fire grate 7 stops slowing down, and maintains present speed Run.Go round and begin again, it is ensured that boiler exhaust gas oxygen concentration maintains in preset parameter range, above-mentioned stream Boiler or air stove are run relevant parameter and all include PLC control system in by journey, dynamic monitoring, automatically Regulation and control, PLC control system data can intuitively show, it is achieved saves the purpose of the energy.

Claims (1)

1. boiler hot wind furnace energy-saving control device is main, it is characterized in that: it includes that combustion chamber draft passes Sensor (1), oxygen content sensor (10), outdoor temperature sensor (9), PLC control cabinet (2), Air-introduced machine converter (3), blower variable frequency device (5), fire grate converter (8);Combustion chamber draft The signal output part of sensor (1) is connected with the first input port of PLC control cabinet (2), The signal output part of oxygen content sensor (10) and the second input port of PLC control cabinet (2) Connect, the signal output part of outdoor temperature sensor (9) and the 3rd of PLC control cabinet (2) Input port connects;First signal output port of PLC control cabinet (2) connects air-introduced machine frequency conversion The signal input part of device (3), the signal output part of air-introduced machine converter (3) and air-introduced machine (4) Controlled end connect;The secondary signal output port of PLC control cabinet (2) connects blower variable frequency The signal input part of device (5), the signal output part of blower variable frequency device (5) and aerator (6) Controlled end connect;3rd signal output port of PLC control cabinet connects fire grate converter (8) Signal input part, the controlled end of the signal output part of fire grate converter (8) and fire grate (7) Connect.
CN201510136367.0A 2015-03-25 2015-03-25 Boiler hot wind furnace energy-saving control device Pending CN106152524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510136367.0A CN106152524A (en) 2015-03-25 2015-03-25 Boiler hot wind furnace energy-saving control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510136367.0A CN106152524A (en) 2015-03-25 2015-03-25 Boiler hot wind furnace energy-saving control device

Publications (1)

Publication Number Publication Date
CN106152524A true CN106152524A (en) 2016-11-23

Family

ID=57340147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510136367.0A Pending CN106152524A (en) 2015-03-25 2015-03-25 Boiler hot wind furnace energy-saving control device

Country Status (1)

Country Link
CN (1) CN106152524A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108266397A (en) * 2016-12-30 2018-07-10 北京凯德中天科技发展有限公司 Power plant's air-introduced machine two close cycles dynamic optimization energy-saving control method
CN108613215A (en) * 2018-05-31 2018-10-02 佛山市绿威生物科技有限公司 A kind of biomass boiler control device and its control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108266397A (en) * 2016-12-30 2018-07-10 北京凯德中天科技发展有限公司 Power plant's air-introduced machine two close cycles dynamic optimization energy-saving control method
CN108266397B (en) * 2016-12-30 2019-11-26 北京凯德恒源科技发展有限公司 Power plant's air-introduced machine two close cycles dynamic optimization energy-saving control method
CN108613215A (en) * 2018-05-31 2018-10-02 佛山市绿威生物科技有限公司 A kind of biomass boiler control device and its control method

Similar Documents

Publication Publication Date Title
CN203116079U (en) High efficiency gas combustion heating water heater
CN201827874U (en) Control system of fuel oil/gas steam boiler
CN106152524A (en) Boiler hot wind furnace energy-saving control device
CN204593884U (en) Boiler hot wind furnace energy-saving control device
RU124948U1 (en) DEVICE FOR AUTOMATIC CONTROL AND MANAGEMENT OF BOILER UNIT
CN104165457A (en) Energy-saving environment-friendly high-temperature hot air drying stove
CN103807965A (en) Diesel engine test room ventilation system
CN207741460U (en) A kind of efficient alloy baking device
CN204084441U (en) A kind of for boiler automatic burning control device
CN203518513U (en) Multi-channel heat supply drying system
CN108149001B (en) Jet heating system and control method thereof
CN205909314U (en) Energy -saving RTO heat accumulation combustion chamber
CN201751402U (en) Residual-heat utilization device of float glass annealing kiln
CN209636161U (en) One drag two positive pressure furnace drying device
CN201443779U (en) Automatic energy-saving control system for boiler
CN104479698B (en) Product method is protected for steam outside dry coke quenching
CN203478592U (en) Atmosphere-type fuel gas module energy-saving environment-protecting boiler
CN107166428A (en) A kind of grate firing boiler flue gas oxygen content control system based on flue gas recirculation
CN210532372U (en) Gas device suitable for air heating of air duct
CN204534817U (en) A kind of regulation device reducing heating system return water temperature
CN208804902U (en) A kind of adaptive combustion system of fuel heater unit
CN108571888B (en) Hot air circulation device
CN202814021U (en) Efficient automatic drying system device
CN205425281U (en) Fire room frequency conversion ventilation system
CN207279689U (en) A kind of grate firing boiler flue gas oxygen content control system based on flue gas recirculation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161123

WD01 Invention patent application deemed withdrawn after publication