CN105222221B - The double fuel gas heating apparatus of new type of safe - Google Patents
The double fuel gas heating apparatus of new type of safe Download PDFInfo
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- CN105222221B CN105222221B CN201510729787.XA CN201510729787A CN105222221B CN 105222221 B CN105222221 B CN 105222221B CN 201510729787 A CN201510729787 A CN 201510729787A CN 105222221 B CN105222221 B CN 105222221B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 239000002737 fuel gas Substances 0.000 title claims abstract description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 232
- 239000007789 gas Substances 0.000 claims abstract description 128
- 239000003345 natural gas Substances 0.000 claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000010792 warming Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 12
- 239000000567 combustion gas Substances 0.000 description 6
- 206010021143 Hypoxia Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007954 hypoxia Effects 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 235000009781 Myrtillocactus geometrizans Nutrition 0.000 description 1
- 240000009125 Myrtillocactus geometrizans Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- -1 biogas Chemical compound 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Feeding And Controlling Fuel (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Multiple-Way Valves (AREA)
Abstract
The present invention relates to the double fuel gas heating apparatus of new type of safe, belong to warming appliance.It discloses the arrival end connection liquefied gas of main control safety valve and the output end of natural gas stable-pressure device, and the female fiery output ends of ODS of main control safety valve are connected to switching valve inlet end, three output ends of switching valve with main burner output end：Female fire liquefied gas output end, female fiery natural gas output end and switching valve main burner output end, switching valve main burner output end is directed at main burner air inlet, the female fiery female fiery output end of inlet end connection main control safety valve of switching valve, the female fiery liquefied gas output end connection liquefied gas ODS of switching valve, the female fiery natural gas output end connection natural gas ODS of switching valve, pressure switch is connected between main control safety valve and natural gas ODS, or thermoswitch is connected between main control safety valve and natural gas ODS and liquefied gas ODS.It is an advantage of the invention that meeting the market demand, safety air heater is provided the user, it is ensured that personal safety as well as the property safety.
Description
Technical field
The present invention relates to a kind of warmer, with during wrong gas it can close protection automatically, be a kind of there is multiple protective
Double-purpose combustion gas indoor heater.
Background technology
At present, with the continuous progress of technology, petrol resources exploitation using increasingly wider weary, natural gas, coal gas, biogas,
Propane, butane etc. can be used for the combustion gas of heating more and more, occur the double-purpose gas heating that two kinds of combustion gas can be used on the market
Device, because the combustion heat value of different combustion gas is different, if double-purpose fuel gas heating apparatus uses liquefied gas（LP）With natural gas
（NG）If, the not requirement operation or maloperation of by specification when using, it is likely that cause LP gases to enter NG passages, make
It is multiplied into calorific value, warmer overheat is occurred security incident, be that this must be improved, prevent such safe thing
Therefore, increase safeguard protection.
The content of the invention
The purpose of the present invention is the problem of there is potential safety hazard for existing dual gas supply warmer, to design a kind of with pressure
The double fuel gas heating apparatus of new type of safe of power switch or thermoswitch.
In order to realize above goal of the invention, the technical solution adopted by the present invention is：Including shell, and in shell
Main control safety valve, liquefied gas and natural gas stable-pressure device, switching valve, liquefied gas ODS, natural gas ODS, burner, igniter,
The arrival end connection liquefied gas and the output end of natural gas stable-pressure device of main control safety valve, the female fire of ODS of main control safety valve
Output end is connected to switching valve inlet end, three output ends of switching valve with main burner output end：Female fire liquefied gas output end,
Female fire natural gas output end and switching valve main burner output end, wherein, switching valve main burner output end alignment main burner
Air inlet, the female fiery female fiery output end of inlet end connection main control safety valve of switching valve, the female fiery liquefied gas output end connection of switching valve
Liquefied gas ODS, the female fiery natural gas output end connection natural gas ODS of switching valve, connects between main control safety valve and natural gas ODS
Pressure switch is connected to, pressure switch is located at behind liquefied gas and natural gas stable-pressure device in gas circuit, or in main control safety
Thermoswitch is connected between valve and natural gas ODS and liquefied gas ODS, thermoswitch is located at the top of main burner.
There is rotation to change valve knob at the top of switching valve, be co-axially mounted with the valve element of switching valve, valve knob is changed in rotation to be revolved with movable valve plug
It turn 90 degrees, 2 air inlets is respectively arranged with 0 degree of valve element and 90 degree of circumference, with 2 air inlets straight relative circumference point
Natural gas main burner nozzle and liquefied gas main burner nozzle, the combustion more main than liquefied gas of natural gas main burner nozzle are not provided with
Burner nozzle is big, and natural gas main burner nozzle is smaller than air inlet on valve element than liquefied gas main burner nozzle, is keeping up with
On the position that face is staggered, ODS air inlets and 2 ODS outlets are respectively arranged with 90 degree of valve element, 180 degree and 270 degree of circumference
Mouthful.
Rotation at the top of switching valve changes valve knob and carries eccentric projection, and rotation is changed beside valve knob and is provided with microswitch, fine motion
The shake-up piece of switch is arc, is contacted with eccentric convex cylindrical surface, the two ends of microswitch respectively with liquefied gas LP ODS and master
Control safety valve connection.
Switching valve includes valve and fixes lid, and valve rod fixes lid through valve, and valve rod and valve rod spring are placed in valve element, and valve element is put
Put in valve body, the afterbody limited location opening of valve element, have air inlet on the side wall of valve element, there is camshaft on the head of valve element, convex
Wheel be radially protruding in being provided with 3 air inlet pipe in the cambered surface of poppet head, valve body, be air inlet pipe one, air inlet pipe two respectively
With air inlet pipe three, both angles are 90 degree, are additionally provided with 2 escape pipes, are escape pipe one and escape pipe two respectively, both
Angle is 90 degree, and horizontal positioned nozzle shaft, sealing gasket in escape pipe, nozzle springs are enclosed on nozzle shaft, and nozzle shaft tail end has recessed
Having above face, nozzle shaft has groove on two disks, disk, the cam cambered surface of camshaft and concave surface are mutually agreed with, and nozzle is spun on out
On the port of tracheae, there is centre bore on nozzle, respectively there is 1 aperture both sides, and nozzle shaft is provided with close to nozzle side in can blocking
The sealing gasket in heart hole, the area of sealing gasket is equal to or slightly greater than the area of centre bore, and escape pipe two is connected to master control with pipeline
The main outlet side of safety valve processed, nozzle alignment main burner air inlet, the female fiery output end of the connection main control safety valve of air inlet pipe three is entered
The female fire of the connection liquefied gas of tracheae one ODS, the female fire of the connection natural gas of air inlet pipe two ODS.
Liquefied gas and natural gas stable-pressure device are liquefied gas pressure maintaining valve and natural gas pressure maintaining valve, or convertible voltage stabilizing
Valve.
Liquefied gas pressure maintaining valve input pressure is between 11 " ~ 14 " inchess of water(in H2O), and output pressure is in 9.5 " ~ 10.5 " inch water
Between post, and natural gas pressure maintaining valve input pressure, in 6 " ~ 14 " inchess of water(in H2O), output pressure is in 4 " ~ 6 " inchess of water(in H2O).
Described main control safety valve is temperature-control safety valve or Manual safety valve, and main control safety valve carries micro-current voltage
Electromagnetic switch, electromagnetic switch is normally closed, and only in the case where ignition position pushes safety valve control handle and provides electricity, adhesive is beaten
Female internal heat circulation is opened, main control safety valve takes female fiery output end and main burner output end out of.
Pressure switch carries a pressure microswitch and a sealed balancing gate pit（Pressure entrance end）, when sealed pressure
Power chamber pressure, which reaches or surpasses 7.5, " to be started during inches of water(in H2O) and disconnects microswitch circuit, microswitch is normally-closed circuit, pressure
Switch also includes pressure and touches piece group, pressure switch body and pressure fine-adjustment device.
Liquefied gas ODS and natural gas ODS anoxia protection arrangements are made up of thermocouple, ignition electrode, female fire and support.Liquefaction
Gas LP ODS and natural gas NG ODS are installed side by side, and liquefied gas LP ODS are installed close to main burner.
Main burner is ceramic wafer infrared stove head or blue flame tube burner.
Thermal insulation board is assemblied between main burner and igniter, main control safety valve, and thermal insulation board material is plate thickness of aluminizing
Between 0.5 ~ 0.8mm, it is assemblied in a vertical 30 ~ 60 degree on shell.
Igniter can be pulse electronic ignition device or pressure ignition.
Thermoswitch substitutes pressure switch, and thermoswitch is located at the top of main burner, and thermoswitch is connected to liquefied gas
In the middle of ODS and natural gas ODS and main control safety valve circuit, thermoswitch is normally-closed circuit, is broken when the temperature more than setting
Open circuit, thermoswitch design temperature is 250 to 350 ± 10 degree of degree, and actual temp is set according to specific installation site.
Convertible pressure maintaining valve can adjust spring stress and change output pressure, can substitute liquefied gas pressure maintaining valve and natural gas
Pressure maintaining valve.
The present invention has the following advantages：
1st, the market demand is met, many combustion gas of a machine is provided the user and uses safety air heater；
2nd, using safety, even if non-by specification operates or occurs maloperation when using during user installation, for example liquefy
Gas input is set to export without combustion gas during the switching valve of natural gas, it is ensured that personal safety as well as the property safety.
Brief description of the drawings
Fig. 1 is the organigram of specific embodiment 1.
Fig. 2 is the principle schematic of specific embodiment 1.
Fig. 3 is the organigram of the switching valve of specific embodiment 1.
Fig. 4 is that specific embodiment 1 uses switching valve A-A directions sectional view during natural gas.
Fig. 5 is that specific embodiment 1 uses switching valve B-B directions sectional view during natural gas.
Fig. 6 is that specific embodiment 1 uses switching valve A-A directions sectional view during liquefied gas.
Fig. 7 is that specific embodiment 1 uses switching valve B-B directions sectional view during liquefied gas.
Fig. 8 is pressure switch organigram of the present invention.
Fig. 9 is the organigram of specific embodiment 2.
Figure 10 is the principle schematic of specific embodiment 2.
Figure 11 is the D structure schematic diagram of the switching valve of specific embodiment 2.
Figure 12 is Figure 11 front view.
Figure 13 is the organigram that valve knob is changed in rotation in Figure 11.
Figure 14 is that specific embodiment 2 uses switching valve A-A directions sectional view during natural gas.
Figure 15 is that specific embodiment 2 uses switching valve B-B directions sectional view during natural gas.
Figure 16 is that specific embodiment 2 uses switching valve A-A directions sectional view during liquefied gas.
Figure 17 is that specific embodiment 2 uses switching valve B-B directions sectional view during liquefied gas.
Figure 18 is the organigram of specific embodiment 3.
Figure 19 is the principle schematic of specific embodiment 3.
Figure 20 is the D structure schematic diagram of the switching valve of specific embodiment 3.
Figure 21 is front section view of the specific embodiment 3 using Figure 19 during natural gas.
Figure 22 is front section view of the specific embodiment 3 using Figure 19 during liquefied gas.
Note：Line annotation in Fig. 2, Figure 10, Figure 19 is as follows：
Embodiment
Embodiment 1
According to Fig. 1,2, the present embodiment includes shell 1, the main control safety valve 4 in shell 1（It can be band
Temperature controlled electromagnetic valve or the electromagnetic valve controlled manually, for controlling ODS ever-burning flames to be supplied with main burner
Gas）, liquefied gas pressure maintaining valve 2, natural gas pressure maintaining valve 3, (switching valve is to control main burner 9 and ODS ever-burning flames to fire by switching valve 5a
Gas supply conversion), pressure switch 6, liquefied gas LP ODS 7（Band hypoxia protection and blowout protection）, natural gas NG ODS 8（Band
Hypoxia protection and blowout protection）, main burner 9, thermal insulation board 10, igniter 11（Piezoelectric lighter or pulse type ignitor are equal
Can）, liquefied gas pressure maintaining valve 2 synthesizes a pipeline with the output port of natural gas pressure maintaining valve 3, and liquefied gas LP gases only have access liquefaction
Gas pressure maintaining valve 2, when liquefied gas LP gases access liquefied gas pressure maintaining valve 2, the arrival end of natural gas pressure maintaining valve 3 need to be sealed with plug；
Natural gas NG gases only have access natural gas pressure maintaining valve 3, the liquefied gas voltage stabilizing when natural gas NG gases access natural gas pressure maintaining valve 3
The arrival end of valve 2 need to be sealed with plug.
The input pressure of liquefied gas pressure maintaining valve 2 is between 11 " ~ 14 " inchess of water(in H2O), and output pressure is in 9.5 " ~ 10.5 " inch water
Between post.The input pressure of natural gas pressure maintaining valve 3 is in 6 " ~ 14 " inchess of water(in H2O), and output pressure is in 4 " ~ 6 " inchess of water(in H2O).
The output end of the arrival end connection liquefied gas pressure maintaining valve 2 and natural gas pressure maintaining valve 3 of main control safety valve 4, main control
4 output end of safety valve, 2 ports are the air inlets that the female fiery output ends of ODS are connected respectively to switching valve 5a with the output end of main burner 9
End, switching valve 5a output ends have 3 ports：Female fire liquefied gas output end 5a5, mother fire natural gas output end 5a6 and switching valve master
Burner output end 5a2, switching valve inlet end 5a1 are connected to the main outlet side of control valve 4, the output of switching valve main burner with pipeline
Hold the 5a2 alignment air inlets of main burner 9, the female fiery female fiery output end of inlet end 5a4 connection main controls safety valve 4 of switching valve, conversion
The female fire of the female fiery liquefied gas output end 5a5 connection liquefied gas ODS 7 of valve, the female fiery natural gas output end 5a6 connection natural gases of switching valve
The female fire of ODS 8.90 degree of switching natural gases of the operable rotations of valve knob 5a7 and liquefied gas are changed in rotation, and valve element 5a3 can follow rotation to change valve rotation
Button 5a7 rotates 90 degree.2 air inlet 5a9 are respectively arranged with 0 degree of valve element 5a3 and 90 degree of circumference, with 2 air inlets straight
Natural gas main burner nozzle 5a81 and liquefied gas main burner nozzle 5a82, natural gas master are respectively arranged with relative circumference
Burner nozzle 5a81 is than the liquefied gas big 5a82 of main burner nozzle, and natural gas main burner nozzle 5a81 is than liquefied gas main burning
Device nozzle 5a82 is smaller than air inlet on valve element 5a3, on the position with staggering above, 90 degree of valve element 5a3,180 degree and
ODS air inlets 5a10 and 2 ODS gas outlets 5a11 are respectively arranged with 270 degree of circumference.
Conversion valve 5a supplies main burner 9, liquefied gas ODS 7 and the fuel of natural gas ODS 8, when using liquefied gas, turn
Change valve 5a and be only supplied main burner 9 and the fuel of liquefied gas ODS 7, the fuel of natural gas ODS 8 will not be supplied；When using natural gas
When, conversion valve 5a supplies main burner 9 and the fuel of natural gas ODS 8, will not supply the fuel of liquefied gas ODS 7；That is natural gas ODS
8 can not supply simultaneously with liquefied gas ODS 7.When warmer supply is liquefied gas LP, it is macropore that switching valve, which is exported to 5a2,
5a81, now natural gas ODS 8 also supply, now pressure switch 6 disconnects the thermocouples electricity of natural gas ODS 8 because of LP gas pressures height
Road, the magnetic valve of main control safety valve 4 does not have electricity, cut-out air-flow supply.
Fig. 3 is switching valve 5a organigram, and Fig. 6,7 and Fig. 4,5 differences are the valve element 5a3 rotations in switching valve 5a
90 degree, when sectional view is using natural gas in Fig. 4,5, switching valve 5a supplies the supply sectional view to main burner 9 and ODS；
5a1 is that inlet end, 5a2 are that outlet side, 5a3 are that 5a4 is ODS inlet ends in valve element, B-B sectional views in A-A sectional views, and 5a5 is
Liquefied gas ODS supplies end, and now liquefied gas gas circuit disconnects, and natural gas ODS supply end 5a6 gas circuits are path.
When sectional view is using liquefied gas in Fig. 6,7, switching valve 5a supply main burners 9 and ODS supply sectional view, A-
5a1 is inlet end in A sectional views, and 5a2 is that outlet side, 5a3 are that 5a4 is ODS inlet ends in valve element, B-B sectional views, and 5a5 is liquid
It is path to change gas ODS supply end gas circuits, and it is open circuit that 5a6, which is natural gas ODS supply end gas circuits,.Valve element in A-A section views in Fig. 4
5a3 is output to 5a2 passage than larger in Fig. 6, i.e. NG main burners nozzle 5a81 is bigger than LP burner nozzles 5a82.
Pressure switch 6 includes pressure microswitch 601, pressure entrance end 602（Sealed balancing gate pit）, pressure touch piece
Group 603, pressure switch body 604, pressure fine-adjustment device 605 and pressure switch terminal 606, it is steady that pressure switch 6 is located at liquefied gas
Pressure valve 2, natural gas pressure maintaining valve 3 are below in gas circuit, and when no pressure is acted on, the circuit of pressure switch 6 is normally-closed circuit, when sealed
Pressure chamber pressure, which reaches or surpasses 7.5, " to be started opening pressure and switchs 6 circuits during inches of water(in H2O).When natural gas gas pressure is less than
Or " when inches of water(in H2O) enters pressure entrance end 602, pressure fine motion will not be touched in piece group 603 and open by acting on pressure and touching equal to 7
Close 601 disconnecting circuits；When LNG gasifaction pressure is more than or equal to 9.5 " when inches of water(in H2O) enters pressure entrance end 602, effect
Touched in pressure and the disconnecting circuit of pressure microswitch 601 is touched in piece group 603, i.e., fine motion is opened when natural gas enters pressure switch 6
Powered-down road is path, and microswitch circuit is to disconnect when liquefied gas enters pressure switch 6.The one end of pressure switch terminal 606 connects
Main control safety valve 4 is connected to, the other end is connected to natural gas NG ODS8.
It is that the pressure microswitch 601 on gas pressure switch 6 starts disconnecting circuit master when natural gas ODS burns
Safety valve 4 is controlled, source of the gas is switched off without electricity, prevents security incident.
Embodiment 2
The present embodiment is mainly switching valve 5 from embodiment 1 and ODS feeding pneumatics are different, and specific difference is as follows：
As shown in Figure 11,12,13, the rotation at the top of switching valve 5b changes valve knob 5b7 and carries eccentric projection 5b8, and valve rotation is changed in rotation
Microswitch 5b6 is installed beside button 5b7, microswitch 5b6 shake-up piece 5b9 is arc, is connect with eccentric projection 5b8 surfaces
Touch, switching valve knob 5b7 microswitch 5b6 when LP supplies state are paths, and switching valve knob 5b7 is micro- when NG supplies state
Dynamic switch 5b6 is open circuit, and microswitch 5b6 two port 5b10 pacify with the thermocouples of liquefied gas LP ODS 7 and main control respectively
Full valve 4 is connected.
Conversion valve 5b supplies main burner 9 and the fuel of natural gas ODS 8, and when using liquefied gas, conversion valve 5b is only supplied
Main burner 9, cuts off and gives the fuel of natural gas ODS 8, as long as the female fire of 7 main control safety valves of liquefied gas ODS 4 is just ventilated for fuel；
When natural gas is used, conversion valve 5b supplies main burner 9 and the material of natural gas ODS 8；The liquefied gas when natural gas ODS 8 is supplied
ODS 7 is also supplied, and the female fire of natural gas ODS 8 can ignite, and liquefied gas ODS 7 is female fiery, and liquefied gas ODS 7 is overlapping with natural gas ODS 8
Assembling, liquefied gas ODS 7 is arranged on the inside close to main burner 9.Switching valve inlet end 5b1 is connected to main control safety with pipeline
The main outlet side of valve 4, the main outlet side 5b2 alignments air inlet of main burner 9 of switching valve, the female fiery inlet end 5b4 connection master controls of switching valve
The female fiery output end of safety valve 4 processed, the female fiery female fire of natural gas output end 5b5 connection natural gases ODS8 of switching valve.Switching valve knob 5b7
Operable to rotate 90 degree of switching natural gases and liquefied gas, valve element, which turns 5b3, can follow 5b7 to rotate 90 degree.Switching valve knob 5b7 is carried
Eccentric projection 5b8, bias projection 5b8 is pressed onto microswitch 5b6 and switches off circuit, fine motion when switching valve knob 5b7 is turn 90 degrees
Switch 5b6 two ends are connected to main control safety valve 4 and the thermocouple circuits of liquefied gas ODS 7.
When Figure 14,15 sectional view are using natural gas, switching valve 5b supplies the supply to main burner 9 and NG ODS 8
Sectional view；5b1 is that inlet end, 5b2 are that outlet side, 5b3 are valve elements in A-A sectional views, and B-B sectional view gas circuits are paths, conversion
Valve 5b4 is that female fiery inlet end, 5b5 are natural gas ODS supply end gas.When Figure 16,17 sectional view are using liquefied gas, switching valve
5b supplies main burner 9 and ODS supply sectional view；B-B sectional views gas circuit is open circuit.Figure 16,17 and Figure 14,15 differences are
Valve element 5b3 in switching valve 5b have rotated 90 degree.
Pressure switch terminal 606 is connected in natural gas NG ODS8 thermocouples and the circuit of main control safety valve 4.As long as main
Control the female fire supply of safety valve 4, liquefied gas（LP）ODS 7 is just supplied, liquefied gas（LP）ODS 7 is supplied not to be controlled by switching valve 5b
System.Liquefied gas（LP）ODS 7 and natural gas (NG) ODS 8 is installed side by side, liquefied gas（LP）ODS 7 is installed close to main burner.
Liquefied gas when natural gas is used（LP）The female fire of ODS 7 and natural gas (NG) ODS 8 is all supplied, the female fire of natural gas (NG) ODS 8
Can be ignited liquefied gas（LP）The female fire of ODS 7.
Embodiment 3
According to Figure 18 ~ 22, the present embodiment and the difference of preceding 2 embodiments are mainly switching valve 5, thermoswitch generation
LP pressure maintaining valves 2 and NG pressure maintaining valves 3 are replaced for pressure switch, and convertible pressure maintaining valve 13, specific difference is as follows：
Thermoswitch 12 substitutes pressure switch 6, and thermoswitch 12 is located at the top of main burner 9, and thermoswitch 12 is connected
In the middle of ODS7/8 thermocouples and the circuit of main control safety valve 4, thermoswitch 12 is normally-closed circuit, when the temperature more than setting
Disconnecting circuit, the break-make temperature of thermoswitch 12 is between 250 to 350 ± 10 degree of degree, and actual temp is installed according to specific installation position
It is fixed.
Conversion valve 5c supplies main burner 9 and liquefied gas ODS 7 and the fuel of natural gas ODS 8, when using liquefied gas,
Conversion valve 5 is only supplied main burner 9 and the fuel of ODS 7, will not supply the fuel of natural gas ODS 8；When natural gas is used, convert
Valve 5 supplies main burner 9 and the material of natural gas ODS 8, will not supply the fuel of liquefied gas ODS 7；That is natural gas ODS 8 and liquefied gas
ODS 7 can not be supplied simultaneously.Switching valve inlet end 5c5.4 is connected to the main outlet side of control valve 4, the main outlet side of switching valve with pipeline
5c9 is directed at the air inlet of main burner 9, the female fiery female fiery output end of inlet end 5c5.5 connection main controls safety valve 4 of switching valve, conversion
The female fire of the female fiery liquefied gas output end 5c5.1 connection liquefied gas ODS 7 of valve, the female fiery natural gas output end 5c5.2 connections day of switching valve
The female fire of right gas ODS 8.Figure 21,22 show that switching valve knob 5c2 is operable and rotate 90 degree of switching natural gases and liquefied gas, valve element
Turning 5c4 can follow 5c2 to rotate 90 degree.Change valve element 5c4 and carry boss, boss drives nozzle shaft when conversion valve element 5c4 is turn 90 degrees
5c6 moves forward the hole that sealing gasket 5c7 is blocked in the middle of nozzle 5c9.1.
Switching valve 5c includes valve fixation lid 5c1, valve rod 5c2 and put through valve fixation lid 5c1, valve rod 5c2 and valve rod spring 5c3
Put in valve element 5c4, valve element 5c4 is placed in valve body 5c5, valve element 5c4 afterbody limited location opening 5c 4.1, valve element 5c 4
Side wall on have air inlet 5c4.2, there is camshaft 5c4.3 on valve element 5c4 head, and cam is radially protruding in valve element 5c4 heads
Cambered surface, be provided with 2 air inlet pipe on valve body 5c5, be air inlet pipe 5c5.1 and air inlet pipe 5c5.2 respectively, both angles are
90 degree, 2 escape pipes are additionally provided with, are escape pipe 5c5.3 and escape pipe 5c5.4 respectively, both angles are 90 degree, escape pipe
Horizontal positioned nozzle shaft 5c6, sealing gasket 5c7 in 5c5.3, nozzle springs 5c8 are enclosed on nozzle shaft 5c6, and nozzle shaft 5c6 tail ends have
Having above concave surface 5c6.1, nozzle shaft 5c6 has 3 bar groove 5c6.2, groove 5c6.2 number on two disk 5c6.3, disk 5c6.3
It can according to actual needs set, may be arranged as 2 bar groove 5c6.2, or 4 bar groove 5c6.2, camshaft 5c4.3's is convex
Wheel cambered surface and concave surface 5c6.1 mutually agree with, and nozzle 5c 9 is spun on escape pipe 5c5.3 port, has centre bore on nozzle 5c9
Respectively there is 1 aperture 5c9.1, both sides, and nozzle shaft 5c6 is provided with close to nozzle 5c9 sides can block centre bore 5c9.1 sealing gasket
5c6, sealing gasket 5c6 area is equal to or slightly greater than setting and outlet in centre bore 5c9.1 area, escape pipe 5c5.4
As pipe 5c 5.3 setting.
Convertible pressure maintaining valve 13 can adjust spring stress and change output pressure.
In summary the switching valve 5a/b/c of three kinds of specific embodiments, pressure switch 6, thermoswitch 12, regulatable pressure stabilizing valves
13rd, liquefied gas pressure maintaining valve 2, natural gas pressure maintaining valve 3 can also be combined into the double fuel gas heating apparatus structures of different safety, according to this hair
Deformation each falls within protection scope of the present invention obtained by bright technical scheme.
Claims (9)
1. the double fuel gas heating apparatus of new type of safe, including shell, and main control safety valve in shell, liquefied gas and natural
Gas stable-pressure device, switching valve, liquefied gas ODS, natural gas ODS, main burner, igniter, it is characterised in that：Main control safety valve
Arrival end connection liquefied gas and natural gas stable-pressure device output end, the female fiery output end of the ODS of main control safety valve and main combustion
Burner output end is connected to switching valve inlet end, three output ends of switching valve：Female fire liquefied gas output end, female fiery natural gas are defeated
Go out end and switching valve main burner output end, wherein, switching valve main burner output end alignment main burner air inlet, switching valve
Female female fiery output end of fire inlet end connection main control safety valve, the female fiery liquefied gas output end connection liquefied gas ODS of switching valve, conversion
The female fiery natural gas output end connection natural gas ODS of valve, pressure switch is connected between main control safety valve and natural gas ODS,
Pressure switch is located at behind stable-pressure device in gas circuit, or between main control safety valve and natural gas ODS and liquefied gas ODS
Thermoswitch is connected with, thermoswitch, which is located at the top of the top of main burner, switching valve, has rotation to change valve knob, the valve with switching valve
Core is co-axially mounted, and rotation, which is changed valve knob and can driven, to be respectively arranged with 2 on 90 degree, 0 degree of valve element and 90 degree circumference of Spool rotating and enter
Natural gas main burner nozzle and liquefied gas main burner are respectively arranged with gas port, with 2 air inlets straight relative circumference
Nozzle, natural gas main burner nozzle is bigger than liquefied gas main burner nozzle, the combustion more main than liquefied gas of natural gas main burner nozzle
Burner nozzle is smaller than air inlet on valve element, on the position with staggering above, 90 degree of valve element, 180 degree and 270 degree of circumference
On be respectively arranged with ODS air inlets and 2 ODS gas outlets.
2. the double fuel gas heating apparatus of new type of safe according to claim 1, it is characterised in that：Valve rotation is changed in rotation at the top of switching valve
Button carries eccentric projection, and rotation is changed beside valve knob and is provided with microswitch, and the shake-up piece of microswitch is arc, convex with bias
Post surface is contacted, and the two ends of microswitch are connected with liquefied gas LP ODS and main control safety valve respectively.
3. the double fuel gas heating apparatus of new type of safe according to claim 1, it is characterised in that：Switching valve includes valve and fixes lid,
Valve rod fixes lid through valve, and valve rod and valve rod spring are placed in valve element, and valve element is placed in valve body, and the afterbody of valve element is limited
There is air inlet on position opening, the side wall of valve element, there is camshaft on the head of valve element, and cam is radially protruding in the arc of poppet head
3 air inlet pipe are provided with face, valve body, are air inlet pipe one, air inlet pipe two and air inlet pipe three respectively, both angles are 90
Degree, is additionally provided with 2 escape pipes, is escape pipe one and escape pipe two respectively, both angles are 90 degree, and level is put in escape pipe
Nozzle shaft, sealing gasket are put, nozzle springs are enclosed on nozzle shaft, nozzle shaft tail end, which has above concave surface, nozzle shaft, there are two disks, circle
There is groove on disk, the cam cambered surface of camshaft and concave surface are mutually agreed with, and nozzle is spun on the port of escape pipe, nozzle Shang You centers
Respectively there is 1 aperture hole, both sides, and nozzle shaft is provided with close to nozzle side can block the sealing gasket of centre bore, the area of sealing gasket
The equal to or slightly greater than area of centre bore, escape pipe two is connected to the main outlet side of main control safety valve, nozzle alignment with pipeline
Main burner air inlet, the female fiery output end of the connection main control safety valve of air inlet pipe three, the female fire of the connection liquefied gas of air inlet pipe one ODS,
The female fire of the connection natural gas of air inlet pipe two ODS.
4. the double fuel gas heating apparatus of new type of safe according to claim 1, it is characterised in that：Liquefied gas and natural gas voltage stabilizing dress
It is liquefied gas pressure maintaining valve and natural gas pressure maintaining valve to put, or convertible pressure maintaining valve.
5. the double fuel gas heating apparatus of new type of safe according to claim 4, it is characterised in that：Liquefied gas pressure maintaining valve input pressure
Between 11 " ~ 14 " inchess of water(in H2O), output pressure is between 9.5 " ~ 10.5 " inchess of water(in H2O)；Natural gas pressure maintaining valve input pressure exists
6 " ~ 14 " inchess of water(in H2O), output pressure is in 4 " ~ 6 " inchess of water(in H2O).
6. the double fuel gas heating apparatus of new type of safe according to claim 1, it is characterised in that：Main burner and igniter,
Thermal insulation board is installed, thickness is 0.5 ~ 0.8mm, is assemblied in a vertical 30 ~ 60 degree on shell between main control safety valve.
7. the double fuel gas heating apparatus of new type of safe according to claim 1, it is characterised in that：Described main control safety valve is
Temperature-control safety valve or Manual safety valve.
8. double fuel gas heating apparatus of new type of safe according to claim 1, it is characterised in that：Described pressure switch carries one
Pressure microswitch and a sealed balancing gate pit, " start when sealed pressure chamber pressure reaches or surpasses 7.5 during inches of water(in H2O)
Microswitch circuit is disconnected, microswitch is normally-closed circuit.
9. double fuel gas heating apparatus of new type of safe according to claim 1, it is characterised in that：Described thermoswitch is normally closed electricity
Road, the disconnecting circuit when the temperature more than setting, thermoswitch design temperature is 250 to 350 ± 10 degree of degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510729787.XA CN105222221B (en) | 2015-11-02 | 2015-11-02 | The double fuel gas heating apparatus of new type of safe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510729787.XA CN105222221B (en) | 2015-11-02 | 2015-11-02 | The double fuel gas heating apparatus of new type of safe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105222221A CN105222221A (en) | 2016-01-06 |
| CN105222221B true CN105222221B (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510729787.XA Active CN105222221B (en) | 2015-11-02 | 2015-11-02 | The double fuel gas heating apparatus of new type of safe |
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| Country | Link |
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| CN (1) | CN105222221B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901066Y (en) * | 2006-05-16 | 2007-05-16 | 南京普鲁卡姆电器有限公司 | Double gas source gas firing heater |
| DE102007029971A1 (en) * | 2006-07-03 | 2008-01-10 | Vaillant Gmbh | Boiler, for heating and hot water, has a control which switches off the burner when the sensor registers a higher temperature during and/or after the calibration stage following burner ignition |
| CN203395977U (en) * | 2013-07-17 | 2014-01-15 | 广东长青（集团）股份有限公司 | Heater with double-gas-source gas system |
| CN203533706U (en) * | 2013-08-19 | 2014-04-09 | 普鲁卡姆电器（上海）有限公司 | Multi-gas-source fuel gas control system |
| CN104913302A (en) * | 2015-06-16 | 2015-09-16 | 浙江富迩佳电子科技有限公司 | Safety type double gas source control system |
| CN205119228U (en) * | 2015-11-02 | 2016-03-30 | 广州祈信金属制品有限公司 | Novel safe two gas room heater |
-
2015
- 2015-11-02 CN CN201510729787.XA patent/CN105222221B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901066Y (en) * | 2006-05-16 | 2007-05-16 | 南京普鲁卡姆电器有限公司 | Double gas source gas firing heater |
| DE102007029971A1 (en) * | 2006-07-03 | 2008-01-10 | Vaillant Gmbh | Boiler, for heating and hot water, has a control which switches off the burner when the sensor registers a higher temperature during and/or after the calibration stage following burner ignition |
| CN203395977U (en) * | 2013-07-17 | 2014-01-15 | 广东长青（集团）股份有限公司 | Heater with double-gas-source gas system |
| CN203533706U (en) * | 2013-08-19 | 2014-04-09 | 普鲁卡姆电器（上海）有限公司 | Multi-gas-source fuel gas control system |
| CN104913302A (en) * | 2015-06-16 | 2015-09-16 | 浙江富迩佳电子科技有限公司 | Safety type double gas source control system |
| CN205119228U (en) * | 2015-11-02 | 2016-03-30 | 广州祈信金属制品有限公司 | Novel safe two gas room heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105222221A (en) | 2016-01-06 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: New Safe Dual Gas Heater Effective date of registration: 20220809 Granted publication date: 20170922 Pledgee: Bank of China Co.,Ltd. Nansha Branch of Guangdong Free Trade Pilot Area Pledgor: KEESUNG MANUFACTURING CO.,LTD. Registration number: Y2022440000194 |
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