CN110107895A - Burner and its control method - Google Patents
Burner and its control method Download PDFInfo
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- CN110107895A CN110107895A CN201910519195.3A CN201910519195A CN110107895A CN 110107895 A CN110107895 A CN 110107895A CN 201910519195 A CN201910519195 A CN 201910519195A CN 110107895 A CN110107895 A CN 110107895A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 160
- 239000007789 gas Substances 0.000 claims abstract description 42
- 239000000567 combustion gas Substances 0.000 claims abstract description 16
- 239000002737 fuel gas Substances 0.000 claims abstract description 11
- 238000011084 recovery Methods 0.000 claims description 18
- 239000003546 flue gas Substances 0.000 claims description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 239000013589 supplement Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000001174 ascending effect Effects 0.000 claims description 6
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000008246 gaseous mixture Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000005422 blasting Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000011897 real-time detection Methods 0.000 description 4
- 229920000914 Metallic fiber Polymers 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/26—Automatic feed-control systems
- F22D5/32—Automatic feed-control systems influencing the speed or delivery pressure of the feed pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The present invention relates to steam generating equipment technical field more particularly to a kind of burner and its control methods.Burner includes furnace body, positioned at the intracorporal burner of the furnace and heat exchanger tube, the blower for blasting gas into the burner, solenoid valve, pressure sensing devices and the control system being mounted between fuel gas source and the burner；Through-hole is offered on burner, pressure sensing devices, blower and solenoid valve are electrically connected to the control system, pressure sensing devices are for detecting the intracorporal pressure of furnace, the revolving speed for the pressure value control blower that control system is used to be detected according to pressure sensing devices and the aperture of solenoid valve.Control method is applied to said burner.Burner provided by the invention and its control method, it being capable of demand according to the water in heat exchanger tube to heat, the amount for entering the intracorporal mixed gas of furnace is adjusted in real time, can not only reach heat needed for the water in heat exchanger tube generates enough steam, moreover it is possible to reduce the waste of combustion gas.
Description
Technical field
The present invention relates to steam generating equipment technical field more particularly to a kind of burner and its control methods.
Background technique
The burner of steam generating equipment can burning gases, to generate the water in heat heat exchanger tube.
However, water heat actually required and combustion in the course of work of existing steam generating equipment, in heat exchanger tube
The heat matching degree that burner generates is poor, heat needed for the water in heat exchanger tube can be not achieved in the heat that burner generates sometimes,
Enough steam can not be obtained；Sometimes the heat that burner generates can waste combustion gas beyond heat needed for the water in heat exchanger tube.
To sum up, how to overcome the drawbacks described above of existing burner is that those skilled in the art's technology urgently to be resolved is asked
Topic.
Summary of the invention
The purpose of the present invention is to provide a kind of burner and its control methods, are deposited with alleviating burner in the prior art
The technical issues of can not being adjusted according to the water institute calorific requirement in heat exchanger tube.
Burner provided by the invention includes furnace body, burner, heat exchanger tube, blower, solenoid valve, pressure sensing devices and control
System；
Wherein, the burner is located in the furnace body, and through-hole is offered on the burner, and the blower is used for the furnace
Gas is blasted in head, the solenoid valve is mounted between fuel gas source and the burner, and the heat exchanger tube is located in the furnace body；
The pressure sensing devices, the blower and the solenoid valve are electrically connected with the control system, the pressure
Detection device is used for the pressure detected according to the pressure sensing devices for detecting the intracorporal pressure of furnace, the control system
Value controls the revolving speed of the blower and the aperture of the solenoid valve.
Preferably, as an embodiment, the burner further includes mixed gas air inlet pipe, the mixed gas
One end of air inlet pipe is connected to the burner, and the other end is connected to the air outlet of the blower, and the solenoid valve is mounted on combustion gas
Between source and the air inlet of the blower, and the air inlet of the blower is also connected to outside air.
Preferably, as an embodiment, the furnace body includes combustion chamber, vaporium and reservoir chamber, the steam
Room is located at the top of the combustion chamber, and the reservoir chamber is located at the lower section of the combustion chamber；
The heat exchanger tube and the burner are respectively positioned in the combustion chamber, and the top of the heat exchanger tube and the vaporium connect
Logical, bottom end is connected to the reservoir chamber；It is provided with steam drain on the vaporium, is provided with water supplement port on the reservoir chamber.
Preferably, as an embodiment, the burner further includes level sensing device, the liquid level detector
Part is used to sense the water level in the heat exchanger tube, water pump is connected at the water supplement port, the water pump is for passing through the moisturizing
Mouth moisturizing into the reservoir chamber；
The level sensing device and the water pump are electrically connected with the control system, and the control system is used for basis
The level sensing device controls the working condition of the water pump.
Preferably, as an embodiment, the burner further includes steam-water separator, in the steam-water separator
It is arranged at intervals at least two layers stainless steel and iron silk screen along the setting of steam flow direction.
Preferably, as an embodiment, it is led between the bottom of the vaporium and the reservoir chamber by first
Flow tube connection, is connected between the bottom of the steam-water separator and the reservoir chamber by the second diversion pipe.
Preferably, as an embodiment, the burner further includes the flue gas current limiting plate annularly arranged, described
Flue gas change of current plate is used for flue gas current limliting, and the heat exchanger tube is located inside the region that the flue gas current limiting plate surrounds.
Preferably, as an embodiment, metallic fiber knitmesh is enclosed on the burner.
Preferably, as an embodiment, the heat exchanger tube is finned tube.
The present invention also provides a kind of control method applied to said burner, in the control system it is ascending according to
It is secondary to be provided with pressure minimum and pressure peak；
The control method includes:
After the blower and the solenoid valve are opened, the mixed gas of combustion gas and air enters burning in the burner, and
It is discharged in the furnace body by the through-hole on the burner；
When the pressure value that the pressure sensing devices detect is equal to or less than the pressure minimum, the control system
System controls the blower and improves revolving speed, and controls the solenoid valve so that the aperture of the solenoid valve increases；
When the pressure value that the pressure sensing devices detect is equal to or higher than the pressure peak, the control system
System, which controls the blower, reduces revolving speed, and controls the solenoid valve so that the aperture of the solenoid valve reduces.
Preferably, as an embodiment, pressure recovery value and pressure superelevation are additionally provided in the control system
Value, for the pressure recovery value between the pressure minimum and the pressure peak, the pressure superelevation value is greater than institute
State pressure peak；
The control method further includes following steps:
When the pressure value that the pressure sensing devices detect reaches the pressure superelevation value, the control system control
The blower stalling, and control the solenoid valve and close；
When blower stalling, and the pressure value that the pressure sensing devices detect is equal to or less than the pressure recovery
When value, the control system controls the blower and restores rotation, and the valve for controlling the solenoid valve is opened.
Preferably, as an embodiment, the burner further includes the liquid for sensing the water level in heat exchanger tube
Bit detector part, the water pump for moisturizing is connected at the water supplement port of the furnace body, and it is pre- to be provided with pressure in the control system
If being worth ascending successively includes water level minimum and water level peak；
The control method further includes following steps:
When the water level value that the level sensing device detects is equal to or less than the water level minimum, the control system
System controls the water pump and improves revolving speed；
When the water level value that the level sensing device detects is equal to or higher than the water level peak, the control system
System, which controls the water pump, reduces revolving speed.
Preferably, as an embodiment, water level recovery value and water level superelevation are additionally provided in the control system
Value, for the water level recovery value between the water level minimum and the water level peak, the water level superelevation value is higher than institute
State water level peak；
Institute's control method further includes following steps:
When the water level value that the level sensing device detects reaches the water level superelevation value, the control system control
The water pump stalling；
When water pump stalling, and the water level value that the level sensing device detects restores equal to or less than the water level
When value, the control system controls the water pump and restores rotation.
Preferably, as an embodiment, the burner further includes alarm, is provided in the control system
The ultralow value of water level, the ultralow value of water level are lower than the water level minimum；
Institute's control method further includes following steps:
When the water level value that the level sensing device detects value ultralow equal to or less than the water level, the control system
System controls the alarm equipment alarm.
Burner provided by the invention and its control method, beneficial effect are:
It is provided with furnace body in burner, is mounted on the intracorporal burner of furnace, is located at the intracorporal heat exchanger tube of furnace, in burner
Blast the blower of gas, the solenoid valve being mounted between fuel gas source and burner, the pressure detector for detecting pressure in furnace body
Part and control system, when burner operation, blower and solenoid valve are opened, and enter furnace at the valve openings that combustion gas passes through solenoid valve
In head, air is blasted in burner by blower, and the mixed gas of combustion gas and air can burn in burner, and by the through-hole on burner
It is discharged in furnace body, thus, the intracorporal air pressure of furnace can be begun to ramp up.
Demand according to actual production to steam production, ascending in control system to be disposed with pressure minimum
Value and pressure peak；The pressure sensing devices meeting intracorporal gas pressure of real-time detection furnace, detects when pressure sensing devices
When pressure value is equal to or less than preset pressure minimum, control system judges insufficient for mixed gas supply amount, causes to mix
The steam that the heat that gas burning generates can not make the water in heat exchanger tube generate sufficient amount is closed, at this point, control system can control
Blower improves revolving speed, while controlling solenoid valve so that the aperture of solenoid valve increases, so that entering in furnace body within the unit time
Mixed gas measure increase, thus, meet demand of the water in heat exchanger tube to heat, it is insufficient to alleviate steam production
Problem, at this point, the intracorporal air pressure of furnace can be begun to ramp up；When the pressure value that pressure sensing devices detect is equal to or higher than preset
When pressure peak, control system judge for mixed gas supply amount it is excessive, mixed gas burning generate heat be more than
Heat needed for water in heat exchanger tube generates enough steam controls simultaneously at this point, control system, which can control blower, reduces revolving speed
Solenoid valve is so that the aperture of solenoid valve increases, so that measuring drop into the intracorporal mixed gas of furnace within the unit time
It is low, thus, so that the supply amount of mixed gas adapts to demand of the water to heat in heat exchanger tube, the gas quantity of waste is reduced, this
When, the intracorporal air pressure of furnace can be begun to decline.
Therefore, burner provided by the invention and its control method, can demand according to the water in heat exchanger tube to heat,
The amount for entering the intracorporal mixed gas of furnace is adjusted in real time, can not only reach heat needed for the water in heat exchanger tube generates enough steam
Amount, moreover it is possible to reduce the waste of combustion gas.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the positive structure diagram of steam generating equipment provided in an embodiment of the present invention；
Fig. 2 is longitudinal schematic cross-sectional view of furnace body provided in an embodiment of the present invention；
Fig. 3 is the lateral schematic cross-sectional view of furnace body provided in an embodiment of the present invention；
Fig. 4 is the enlarged structure schematic diagram of part A in Fig. 3；
Fig. 5 is the perspective structure schematic diagram of steam-water separator provided in an embodiment of the present invention.
Icon: 1- furnace body；2- burner；3- heat exchanger tube；4- blower；5- mixed gas air inlet pipe；6- level sensing
Device；7- steam-water separator；The second diversion pipe of 8-；9- flue gas current limiting plate；
The combustion chamber 11-；12- vaporium；13- reservoir chamber；
71- stainless steel and iron silk screen.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Referring to Fig. 1 and Fig. 3, a kind of burner and its control method are present embodiments provided, is provided with furnace body in burner
1, burner 2, the heat exchanger tube 3 in furnace body 1, the blower 4 for blasting gas in burner 2, installation being mounted in furnace body 1
Solenoid valve between fuel gas source and burner 2, pressure sensing devices and control system for detecting pressure in furnace body 1, burning
When device works, blower 4 and solenoid valve are opened, and are entered in burner 2 at the valve openings that combustion gas passes through solenoid valve, air is by blower
4 blast in burner 2, and the mixed gas of combustion gas and air can burn in burner 2, and be discharged to furnace body 1 by the through-hole on burner 2
It is interior, thus, the air pressure in furnace body 1 can be begun to ramp up.
Demand according to actual production to steam production, ascending in control system to be disposed with pressure minimum
Value and pressure peak；Gas pressure in pressure sensing devices meeting real-time detection furnace body 1, detects when pressure sensing devices
When pressure value is equal to or less than preset pressure minimum, control system judges insufficient for mixed gas supply amount, causes to mix
The steam that the heat that gas burning generates can not make the water in heat exchanger tube 3 generate sufficient amount is closed, at this point, control system can control
Blower 4 improves revolving speed, while controlling solenoid valve so that the aperture of solenoid valve increases, so that entering furnace body 1 within the unit time
Interior mixed gas measures increase, thus, meet demand of the water in heat exchanger tube 3 to heat, alleviates steam production not
The problem of foot, at this point, the air pressure in furnace body 1 can be begun to ramp up；When the pressure value that pressure sensing devices detect is equal to or higher than
When preset pressure peak, control system judge for mixed gas supply amount it is excessive, mixed gas burning generate heat
When being more than heat needed for water in heat exchanger tube 3 generates enough steam, turn at this point, control system can control blower 4 and reduce
Speed, while solenoid valve is controlled so that the aperture of solenoid valve increases, so that entering the mixed gas in furnace body 1 within the unit time
Amount be reduced, thus, so that the supply amount of mixed gas adapts to demand of the water to heat in heat exchanger tube 3, reduce waste
Gas quantity, at this point, the air pressure in furnace body 1 can be begun to decline.
Therefore, burner provided in this embodiment and its control method, can be according to the water in heat exchanger tube 3 to the need of heat
It asks, adjusts the amount of the mixed gas entered in furnace body 1 in real time, can not only reach the water in heat exchanger tube 3 and generate enough steam institutes
The heat needed, moreover it is possible to reduce the waste of combustion gas.
Preferably, preset pressure superelevation value and pressure recovery value, the pressure superelevation value it can be greater than pressure in the controls
Peak, the pressure recovery value is between pressure minimum and pressure peak；If too into the gaseous mixture scale of construction in furnace body 1
More, when the pressure in furnace body 1 being caused to reach preset pressure superelevation value, control system can control the stalling of blower 4, control simultaneously
The valve of solenoid valve is closed, thus, break off the combustion gas source of burner 2, to prevent from endangering because the pressure in furnace body 1 is excessive
Danger, plays the role of protection, at this point, the pressure in furnace body 1 can be begun to decline；When the pressure in furnace body 1 is equal to or less than pressure
When power recovery value, pressure recovery safety value in furnace body 1, control system controls blower 4 and starts, while controlling the valve of solenoid valve
It opens, to restore to operate normally, very intelligently.
Specifically, pressure sensor and/or pressure switch can be selected as above-mentioned pressure sensing devices.
In addition, pressure gauge can be installed on burner provided in this embodiment, to show the pressure in furnace body 1 using pressure gauge
Power is referred to for staff.
Preferably, referring to Fig. 1, mixed gas air inlet pipe 5 can be set in burner provided in this embodiment, by gaseous mixture
One end of body air inlet pipe 5 is connected to burner 2, and the other end is connected to the air outlet of blower 4, and solenoid valve is mounted on fuel gas source and wind
Between the air inlet of machine 4, and the air inlet of blower 4 is connected to outside air, thus, combustion gas and air are by 4 air outlet of blower
Premix just has been obtained before discharge, mixing is more uniform, improves the thermal efficiency of the mixed gas at burner 2.
As a kind of implementable solution, it can be installed in the air inlet of blower 4 and be mixed into tracheae and two branched pipes, two is mixed
The air inlet of one end and blower for closing air inlet pipe connects, and the other end is connect with two branched pipes, wherein a branched pipe connection combustion
Gas source, another branched pipe are directly connected to outside air.
As another implementable solution, main pipeline and gas pipeline can be installed in the air inlet of blower 4, main pipeline
The connection of the air inlet of one end and blower, the other end are connected to outside air, a fuel gas inlet are opened up on main pipeline, by fuel gas conduit
The one end in road is connect with the fuel gas inlet, the connection of other end fuel gas source.
Specifically, the wind pressure detection device of detection wind pressure can be installed at the air outlet of blower 4, and wind pressure is detected into device
Be electrically connected to the control system, thus, wind pressure detect device just can wind pressure at 4 air outlet of real-time detection blower, control system exists
After adjusting 4 revolving speed of blower according to the pressure value that pressure sensing devices detect, the wind pressure at 4 air outlet of blower can also be sent out therewith
Changing, wind pressure increases after 4 revolving speed of blower improves, and wind pressure reduces after 4 revolving speed of blower reduces, and control system can be examined by wind pressure
The aperture for surveying the wind pressure value electromagnetic valve for adjusting of units test, in this way, the ratio regular meeting of combustion gas and air in mixed gas is more assisted
It adjusts, further improves the thermal efficiency of the mixed gas at burner 2.
Referring to fig. 2, combuster 11, vaporium 12 and reservoir chamber 13 are set in the specific structure of furnace body 1, wherein steam
Steam chest 12 is located at the top of combustion chamber 11, and reservoir chamber 13 is located at the lower section of combustion chamber 11, and heat exchanger tube 3 and burner 2 are respectively positioned on burning
In room 11, the top of heat exchanger tube 3 is connected to vaporium 12, and bottom end is connected to reservoir chamber 13, is provided with steam drain on vaporium 12,
Water supplement port is provided on reservoir chamber 13；When work, water first is filled into reservoir chamber 13 from water supplement port, so that in reservoir chamber 13
Water is able to enter the heat absorbed in combustion chamber 11 in heat exchanger tube 3 and generates steam, and the steam of generation can enter upper along heat exchanger tube 3
The vaporium 12 of side, and pass through the steam drain output on vaporium 12.
Preferably, referring to Fig. 1, the also settable level sensing device 6 in burner provided in this embodiment, using liquid
Water level in 6 real-time detection heat exchanger tube 3 of bit detector part, connects water pump at water supplement port, and water pump can be by water supplement port to water storage
Level sensing device 6 and water pump are electrically connected to the control system by moisturizing in room 13, and control system can obtain liquid level detector
The water level value that part 6 detects, and the working condition (revolving speed) of water pump can be controlled according to the water level value of acquisition.
Specifically, it is counted as using capacitance type liquid level detection as above-mentioned level sensing device 6.
In addition, can on burner provided in this embodiment level indicator, with using level indicator show heat exchanger tube 3
Interior liquid level is referred to for staff.
It further include water level regulation method in the control method of burner provided in this embodiment, specific as follows:
According to the water demand in heat exchanger tube 3, it is disposed with water level minimum, water level from low to high in control system
Recovery value, water level peak and water level superelevation value；When the water deficiency in heat exchanger tube 3, the water level in heat exchanger tube 3 is equal to or less than
Preset water level minimum, at this point, control system, which can control water pump, improves revolving speed, thus, so that by water supplement port in the unit time
Increase is measured into the water in reservoir chamber 13, generates water required for required quantity of steam to meet heat exchanger tube 3, to protect
Demonstrate,prove heat exchange efficiency and steam production；When the water level in heat exchanger tube 3 is equal to or higher than preset water level peak, control system
System, which can control water pump, reduces revolving speed, thus, so that the water entered in reservoir chamber 13 in the unit time by water supplement port measures drop
It is low, so that the steam quality for having heat exchanger tube 3 to enter vaporium 12 is higher.
When the water level in heat exchanger tube 3 reaches preset water level superelevation value, control system can control water pump stalling, thus disconnected
The water source of exhausted reservoir chamber 13, to prevent, the water in heat exchanger tube 3 is too many and spills in vaporium 12；When the water level etc. in heat exchanger tube 3
When water level recovery value, the water level in heat exchanger tube 3 restores safety value, and control system controls water pump starting, to restore just
Often operation.
Further, alarm can be set on the burner, and add the ultralow value of water level in control system, the water level is super
Low value is lower than preset water level minimum, and when the water shortage in heat exchanger tube 3, the water level in heat exchanger tube 3 is equal to or less than pre-
If the ultralow value of water level, at this point, control system control alarm equipment alarm prevent to do to remind staff to handle in time
It burns.
Preferably, operation panel can be set on burner provided in this embodiment, and behaviour is set on the operation panel
Component is controlled, operator can be according to reality to the needs of quantity of steam, by adjusting the pressure in operating element regulation and control system
The ultralow value of power minimum, pressure recovery value, pressure peak, pressure superelevation value, water level, water level minimum, water level recovery value, water
Position peak and water level superelevation value, so that the amount into the mixed gas in burner 2 can adapt to the water in heat exchanger fin to heat
The different demands of amount, it is versatile.
Preferably, referring to fig. 4, the flue gas current limiting plate 9 annularly arranged can be set in burner provided in this embodiment,
Heat exchanger tube 3 is arranged in inside the region that flue gas current limiting plate 9 surrounds, to carry out current limliting to flue gas using flue gas current limiting plate 9, to subtract
The speed that slow flue gas is flowed out from 3 region of heat exchanger tube, thus, the temperature of 3 region of heat exchanger tube can be increased, moreover it is possible to so that changing
Heat pipe 3 is uniformly heated, and improves the thermal efficiency.
Referring to Fig. 1 and Fig. 5, it is additionally provided with steam-water separator 7 in the burner, is arranged at intervals in steam-water separator 7
At least two layers stainless steel and iron silk screen 71 along the setting of steam flow direction, steam are filtered by two sides stainless steel and iron silk screen 71
Mass dryness fraction is higher, heats up faster, consequently facilitating improving production efficiency.
Preferably, metallic fiber knitmesh can be wrapped up on burner 2, thus, the mixed gas of burning can be from the logical of burner 2
Hole, which is ejected into metallic fiber knitmesh, burns, and burns more abundant, improves the temperature in furnace body 1, and reduce discharge amount.
Preferably, finned tube can be set by heat exchanger tube 3, to improve the endotherm area of heat exchanger tube 3, improves the thermal efficiency.
In conclusion which overcome traditional burners the invention discloses a kind of burner and steam generating equipment
Many technological deficiencies.Burner and steam generating equipment provided in this embodiment, can be according to the water in heat exchanger tube to heat
Demand adjusts the amount for entering the intracorporal mixed gas of furnace in real time, can not only reach the water in heat exchanger tube and generate enough steam institutes
The heat needed, moreover it is possible to reduce the waste of combustion gas.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (14)
1. a kind of burner, which is characterized in that including furnace body (1), burner (2), heat exchanger tube (3), blower (4), solenoid valve, pressure
Detect device and control system；
Wherein, the burner (2) is located in the furnace body (1), through-hole is offered on the burner (2), the blower (4) is used for
Gas is blasted into the burner (2), the solenoid valve is mounted between fuel gas source and the burner (2), the heat exchanger tube (3)
In the furnace body (1)；
The pressure sensing devices, the blower (4) and the solenoid valve are electrically connected with the control system, the pressure inspection
It surveys device and is used to detect the pressure in furnace body (1), the control system is used for the pressure detected according to the pressure sensing devices
Force value controls the revolving speed of the blower (4) and the aperture of the solenoid valve.
2. burner according to claim 1, which is characterized in that further include mixed gas air inlet pipe (5), the gaseous mixture
One end of body air inlet pipe (5) is connected to the burner (2), and the other end is connected to the air outlet of the blower (4), the solenoid valve
It is mounted between fuel gas source and the air inlet of the blower (4), and the air inlet of the blower (4) is also connected to outside air.
3. burner according to claim 1, which is characterized in that the furnace body (1) includes combustion chamber (11), vaporium
(12) and reservoir chamber (13), the vaporium (12) are located at the top of the combustion chamber (11), and the reservoir chamber (13) is located at institute
State the lower section of combustion chamber (11)；
The heat exchanger tube (3) and the burner (2) are respectively positioned in the combustion chamber (11), the top of the heat exchanger tube (3) and institute
Vaporium (12) connection is stated, bottom end is connected to the reservoir chamber (13)；Steam drain, the storage are provided on the vaporium (12)
Water chamber is provided with water supplement port on (13).
4. burner according to claim 3, which is characterized in that further include level sensing device (6), the level sensing
Device (6) is used to sense the water level in the heat exchanger tube (3), water pump is connected at the water supplement port, the water pump is for passing through
The water supplement port is to the reservoir chamber (13) interior moisturizing；
The level sensing device (6) and the water pump are electrically connected with the control system, and the control system is used for basis
The level sensing device (6) controls the working condition of the water pump.
5. burner according to claim 3, which is characterized in that further include steam-water separator (7), the steam-water separator
(7) at least two layers stainless steel and iron silk screen (71) along the setting of steam flow direction is arranged at intervals in.
6. burner according to claim 5, which is characterized in that the bottom of the vaporium (12) and the reservoir chamber
(13) it is connected between by the first diversion pipe, passes through the between the bottom and the reservoir chamber (13) of the steam-water separator (7)
Two diversion pipes (8) connection.
7. burner according to claim 1-6, which is characterized in that further include the flue gas limit annularly arranged
Flowing plate (9), the flue gas change of current plate (9) are used for flue gas current limliting, and the heat exchanger tube (3) is located at the flue gas current limiting plate (9) and encloses
Around region inside.
8. burner according to claim 1-6, which is characterized in that be enclosed with metal fibre on the burner (2)
Tie up knitmesh.
9. burner according to claim 1-6, which is characterized in that the heat exchanger tube (3) is finned tube.
10. a kind of control method, which is characterized in that be applied to the described in any item burners of claim 1-9, the control
It is ascending in system to be disposed with pressure minimum and pressure peak；
The control method includes:
After the blower (4) and the solenoid valve are opened, the mixed gas of combustion gas and air enters burning in the burner (2),
And it is discharged in the furnace body (1) by the through-hole on the burner (2)；
When the pressure value that the pressure sensing devices detect is equal to or less than the pressure minimum, the control system control
It makes the blower (4) and improves revolving speed, and control the solenoid valve so that the aperture of the solenoid valve increases；
When the pressure value that the pressure sensing devices detect is equal to or higher than the pressure peak, the control system control
Making the blower (4) reduces revolving speed, and controls the solenoid valve so that the aperture of the solenoid valve reduces.
11. control method according to claim 10, which is characterized in that be additionally provided with pressure recovery in the control system
Value and pressure superelevation value, the pressure recovery value is between the pressure minimum and the pressure peak, the pressure
Superelevation value is greater than the pressure peak；
The control method further includes following steps:
When the pressure value that the pressure sensing devices detect reaches the pressure superelevation value, described in the control system control
Blower (4) stalling, and control the solenoid valve and close；
When the blower (4) stalling, and the pressure value that the pressure sensing devices detect is equal to or less than the pressure recovery
When value, the control system controls the blower (4) and restores rotation, and the valve for controlling the solenoid valve is opened.
12. control method described in 0 or 11 according to claim 1, which is characterized in that the burner further includes changing for sensing
The level sensing device (6) of water level in heat pipe is connected with the water pump for moisturizing at the water supplement port of the furnace body (1), described
It successively includes water level minimum and water level peak that it is ascending that pressure preset is provided in control system；
The control method further includes following steps:
When the water level value that the level sensing device (6) detects is equal to or less than the water level minimum, the control system
System controls the water pump and improves revolving speed；
When the water level value that the level sensing device (6) detects is equal to or higher than the water level peak, the control system
System, which controls the water pump, reduces revolving speed.
13. control method according to claim 12, which is characterized in that be additionally provided with water level recovery in the control system
Value and water level superelevation value, the water level recovery value is between the water level minimum and the water level peak, the water level
Superelevation value is higher than the water level peak；
Institute's control method further includes following steps:
When the water level value that the level sensing device (6) detects reaches the water level superelevation value, the control system control
The water pump stalling；
When water pump stalling, and the water level value that the level sensing device (6) detects restores equal to or less than the water level
When value, the control system controls the water pump and restores rotation.
14. control method according to claim 12, which is characterized in that the burner further includes alarm, the control
The ultralow value of water level is provided in system processed, the ultralow value of water level is lower than the water level minimum；
Institute's control method further includes following steps:
When the water level value that the level sensing device (6) detects value ultralow equal to or less than the water level, the control system
System controls the alarm equipment alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519195.3A CN110107895A (en) | 2019-06-13 | 2019-06-13 | Burner and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519195.3A CN110107895A (en) | 2019-06-13 | 2019-06-13 | Burner and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110107895A true CN110107895A (en) | 2019-08-09 |
Family
ID=67495085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910519195.3A Pending CN110107895A (en) | 2019-06-13 | 2019-06-13 | Burner and its control method |
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| Country | Link |
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| CN (1) | CN110107895A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637496A (en) * | 2020-04-28 | 2020-09-08 | 华帝股份有限公司 | Gas stove system capable of automatically reminding insufficient air supply and control method thereof |
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