CN107044786A - Full premix combustion condensed heat exchanger - Google Patents
Full premix combustion condensed heat exchanger Download PDFInfo
- Publication number
- CN107044786A CN107044786A CN201710219535.1A CN201710219535A CN107044786A CN 107044786 A CN107044786 A CN 107044786A CN 201710219535 A CN201710219535 A CN 201710219535A CN 107044786 A CN107044786 A CN 107044786A
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- China
- Prior art keywords
- combustion
- condensing
- heat exchanger
- barrel
- protecgulum
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a kind of full premix combustion condensed heat exchanger, including all-premixing burner, condensing protecgulum, spiral coil, thermal insulating disc, sealing drum, arc pressuring plate and condensing bonnet, arc pressuring plate and spiral coil are located in sealing drum and arc pressuring plate is located at the periphery of spiral coil, condensing protecgulum and condensing bonnet are located at the two ends of sealing drum and are connected respectively with the two ends of arc pressuring plate, the water inlet pipe mouth of spiral coil is connected with the water inlet of condensing bonnet, the effluent pipe mouth of spiral coil is connected with the delivery port of condensing protecgulum, upper cover body in all-premixing burner is connected with condensing protecgulum, combustion barrel in all-premixing burner is extend into sealing drum through condensing protecgulum, spiral coil is located at the periphery of combustion barrel, thermal insulating disc is located in sealing drum, and on spiral coil.The present invention have service life length, save the energy, it is safe and reliable the characteristics of.
Description
Technical field
It is specifically the full premix combustion using combustion gas as the energy the present invention relates to a kind of supplying hot water and heating heat exchanger
Condensed heat exchanger.
Background technology
State Intellectual Property Office discloses Publication No. 104180510A on December 3rd, 2014, and patent name is one kind
The patent document of condensing gas wall hanging stove, it is characterised in that including housing (1) and the main heat exchange being arranged in housing (1)
Device (2), gas inlet pipe (3), air intake duct (4), fan assembly (6), condensing unit, smoke exhaust pipe (10), expansion tank
(14) gas ratio valve (13), the air inlet and plate heat exchanger assembly (15), are provided with the gas inlet pipe (3)
Pipe (4) and gas inlet pipe (3) are commonly connected on premixed device (25), and the premixed device (25) is arranged on fan assembly (6) and entered
At mouthful, the main heat exchanger (2) includes combustion chamber (2a) and is arranged on the water channel on combustion chamber (2a) outer wall in the up form of spiral
(2b), the fan assembly (6) is connected to combustion chamber (2a) top, and the condensing unit is arranged on combustion chamber (2a) bottom, institute
The one end for stating smoke exhaust pipe (10) is connected with condensing unit, and the other end is upward through housing (1) and is connected with housing (1) external world
Logical, the plate heat exchanger assembly (15) is connected with the water inlet (2c) and delivery port (2d) of water channel (2b).
State Intellectual Property Office disclosed Publication No. 106439810A on 2 2nd, 2017, and patent name is burner
With the patent document of the gas heater with it, burner includes：Defined in burner framework, the burner frame body pre-
Mixed chamber, the burner framework has the fan interface turned on the premix chamber and combustion gas interface；Multiple distribution members, Duo Gesuo
State distribution member arranged spaced apart in the premix chamber along airflow direction, each distribution member is provided with the multiple and premix
The dispensing orifice of chamber conducting；Gas distributing rod, the gas distributing rod is detachably arranged in the premix chamber and interior defines blast tube, institute
Stating gas distributing rod has the fuel gas inlet turned on the blast tube and gas outlet, and the gas outlet is led with the premix chamber
It is logical.
In the technical scheme of the heat exchanger and above-mentioned patent of existing heat supply and heating, all do not have in spiral coil
If middle part thermal insulating disc, in routine use, the fire in burner easily burns out the component of heat exchanger bottom, so as to cause hot friendship
The damage of parallel operation.
In above-mentioned patent, because the accessory of premix chamber or premixed device is more, therefore to each accessory be required for carry out manufacture and
Assembling, causes to install and manufactures inconvenience, production cost is of a relatively high；In addition, existing combustion barrel is used for a long time, easily burn
It is bad, with the short defect of service life.
Department of Intellectual Property of family discloses Publication No. 1077269 on January 2nd, 2002, and patent name is gas quick heat
The patent document of hydrophone, it includes：One housing, it is the first space and second space by separator lined；One heat exchanger,
It is arranged in the second space, and with a ring-type downcomer with cold water inlet, a ring-type with hot water outlet
Upper conduit, the heat exchanger of multiple screwed pipe shapes being connected between the upper conduit and downcomer, and installed in the heat exchange
Tube hub and the flue gas spoiler for delaying heated air to flow；One neck bush, is handed over for closely wrapping up the heat
The inner surface of the heat-exchange tube of parallel operation；One external bushing, its height is higher than the height of the neck bush, and for tight
The outer surface of the close parcel heat-exchange tube；One piece of lower flat board, it is used under closing between the neck bush and external bushing
Portion, and the heart has an air intake wherein；One piece of vortex flat board, it is arranged on the centre of the neck bush, and on the periphery thereof
There are multiple air intakes, center portion point has a gas vent wherein；One burning bucket, it is arranged on the vortex flat board, left
Described one distance set in advance of neck bush, and have on its contour surface multiple air intakes；One burner, it pacifies
In the burning bucket；One insulation, it leave the external bushing outer surface and one section of top it is set in advance away from
From the top surface of the insulation is closing, and its lower surface is unlimited, to form the air intake of a ring-type；And one
Individual exhaust fan, it is arranged in first space, and for the opening and the outlet of the dividing plate by the external bushing
Burnt gas is discharged.The technical scheme of above-mentioned patent：There is following defect：High-temperature flue gas in existing heat exchanger
Flows faster, heat is not fully utilized, so as to cause the waste of the energy, occur heat exchanger operating efficiency it is not high lack
Fall into.In addition, the general temperature control to heat exchanger high temperature flue gas is surveyed all using a temperature sensor, when the temperature sensor
After damage, easily there is dry combustion method or fume high-temperature burns out the phenomenon of equipment；Due to the hot water outlet in above-mentioned technical proposal and company
Between fitting or using traditional sealed form of sealing ring, therefore sealing effectiveness is undesirable.The technical scheme of above-mentioned patent with
And in existing heat exchanger, in a heat exchanger in the absence of the arc pressuring plate of connection heat exchanger front and rear covers.
The content of the invention
It is an object of the invention to provide a kind of full premix combustion condensed heat exchanger of service life length.
To achieve the above object, the technical solution adopted in the present invention is：
Full premix combustion condensed heat exchanger, including all-premixing burner, condensing protecgulum, spiral coil, thermal insulating disc, sealing
Cylinder, arc pressuring plate and condensing bonnet, spiral coil are located in sealing drum, and arc pressuring plate is located at the periphery of sealing drum, cold
Solidifying formula protecgulum and condensing bonnet be located at the two ends of sealing drum and be connected respectively with the two ends of arc pressuring plate, and spiral coil enters
Hose nozzle is connected with the water inlet of condensing bonnet, and the effluent pipe mouth of spiral coil is connected with the delivery port of condensing protecgulum, entirely
Upper cover body in premix burner is connected with condensing protecgulum, and the combustion barrel in all-premixing burner is stretched into through condensing protecgulum
Into sealing drum, spiral coil is located at the periphery of combustion barrel, and thermal insulating disc is located in sealing drum, and on spiral coil.
Further, the all-premixing burner includes gas air mixer, blower fan, ignition electrode and combustion barrel, combustion gas
The gaseous mixture outlet of air mixer and the air intake vent of blower fan are connected, in addition to combustion gas mixing channel cover, combustion gas mixing passage
Body, upper cover body and annular gland, the upper cover body, to be connected with heat exchanger condensation protecgulum, combustion gas mixing channel body
It is integrally formed with upper cover body, a side surface of the combustion gas mixing channel body is provided with combustion gas mixing channel slot, and combustion gas mixing is led to
Mixing vent hole and combustion barrel mounting hole are provided with the bottom surface of road groove, combustion gas mixing channel cover is fitted in combustion gas mixing channel body
Surface and be screwed, combustion gas mixing channel slot is closed, the air outlet of blower fan is connected with mixing vent hole；Also include
Porcelain pin is detected, the detection porcelain pin is passed through from the detection porcelain pin mounting hole in upper cover body and positioned at the side of combustion barrel；Ignition electrode
Passed through from the ignition electrode mounting hole in upper cover body and positioned at the side of combustion barrel.
Further, the combustion barrel is using porous fiber burner cylinder, and it includes outer barrel, inner cylinder, top cover and porous fibre
Outer net, inner cylinder is fixed in outer barrel, and top cover is located at the upper port of outer barrel, and multiple through holes are distributed with the barrel of the outer barrel,
Porous fibre outer net is sleeved on the outer surface of outer barrel, and the lower port of the outer barrel has extended radially outward flange, flange it is straight
Footpath is more than the diameter of combustion barrel mounting hole, and combustion barrel passes through combustion barrel mounting hole, and annular gland is pressed on flange, by combustion barrel pressure
Fasten, the annular gland is screwed in the groove bottom of combustion gas mixing channel slot.
Further, the condensing protecgulum, including lid, loose rib A, O-ring seals A, loose rib B, O-ring seals
B and delivery port connector, the lid, which is provided with delivery port, the delivery port, is provided with internal thread, loose rib A, O-ring seals
A, loose rib B, O-ring seals B are overlayed in delivery port successively, the male connection in the delivery port connector, are extend into
The loose rib A being stacked together, O-ring seals A, loose rib B, O-ring seals B are held out against in delivery port, and with delivery port spiral shell
Line is connected；Also include locking nut, the locking nut is located in the male connection in described delivery port connector；It is described
Lid or delivery port connector are provided with super water temperature protection switch.
Further, condensing bonnet, including rear cover body and exhanst gas outlet top cover, the rear cover body provided with water inlet and
Exhanst gas outlet, exhanst gas outlet top cover is arranged on smoke outlet by screw, is provided between exhanst gas outlet and exhanst gas outlet top cover
Smoke impervious circle, the exhanst gas outlet top cover is provided with smoke evacuation pipe joint, the exhaust gases passes of the rear cover body provided with flue gas resistance
Flow plate.
Further, condensing bonnet, in addition to loose rib A, O-ring seals A, loose rib B, O-ring seals B and water inlet
Internal thread is provided with mouth connector, the water inlet, loose rib A, O-ring seals A, loose rib B, O-ring seals B are stacked successively
In water inlet, one end of the water inlet connector is male connection, and the other end is water pipe head, and male connection is stretched into
The loose rib A being stacked together, O-ring seals A, loose rib B, O-ring seals B are held out against in water inlet, and and water inlet
Threaded connection.Also include locking nut, described locking nut is located at into the male connection in water connector.
Further, the exhanst gas outlet top cover, which is provided with sensor installation port, the sensor installation port, is provided with cigarette
Gas temperature sensor, the rear cover body, which is provided with sensor installation port, the sensor installation port, is provided with temperature sensor.
Further, the arc pressuring plate, including arc plate body, upper side edge and the lower side difference of the arc plate body
It is connected with tie-beam and lower tie-beam, the two ends of the upper tie-beam and lower tie-beam are all embedded with metallic rod, the metal
The end face of bar is provided with screw.
Further, the thermal insulating disc, including fixed disk and thermal insulation board, the periphery of the fixed disk is fixed provided with spiral shape
Piece, the fixed disk is fixed in the spiral coil of heat exchanger by spiral shape stator, and the thermal insulation board is located at fixed disk
It is upper and with fixed disk releasable connection.
Further, the thermal insulating disc, in addition to soft thermal insulation board, the soft thermal insulation board are located at fixed disk and thermal insulation board
Between.
Beneficial effects of the present invention：
Due to being additionally arranged thermal insulating disc in sealing drum, the bad heat exchanger bottom of the baked wheaten cake in burner can be prevented（After condensing
Lid）Component；Due to being additionally arranged spiral shape stator in fixed disk, the fixation in spiral coil is facilitated；Due to thermal insulation board
The form of releasable connection is used with fixed disk, thermal insulation board can be easily changed；Due to being set up between thermal insulation board and fixed disk
Soft thermal insulation board, can further improve effect of heat insulation, so as to extend the service life of heat exchanger；
Due to the casting that combustion gas mixing channel body and upper cover body are formed in one, manufacturing procedure is not only reduced, is facilitated pair
The processing of combustion gas mixing channel body and upper cover body, but also eliminate the dress between combustion gas mixing channel body and upper cover body
Match somebody with somebody, facilitate installation；Because combustion barrel utilizes the mode that annular gland is fixed, installation is facilitated；Because combustion barrel is used
Porous fiber burner cylinder, with service life it is long the characteristics of；
Due to being additionally arranged flue gas spoiler in the exhaust gases passes of rear cover body, exactly in order to prevent high-temperature flue gas from discharging too fast,
Heat is not fully utilized, so flue gas spoiler can stop the part of smoke with high temperature once, makes smoke backflow,
Reheating is carried out to the water of helix tube bottom, the flue gas after backflow enters flue gas spoiler from the breach below flue gas spoiler
Exhaust gases passes between rear cover body, pass through exhanst gas outlet, from smoke evacuation pipe joint discharge, play a part of saving the medicine energy, greatly
The big operating efficiency for improving heat exchanger；
Due to covering after condensation provided with two temperature sensors, double protection can be played, prevents flue-gas temperature too high
The characteristics of burning out heat exchanger or prevent the phenomenon of dry combustion method, therefore have safe and reliable；
Due to two loose ribs and two O-ring seals interfoldeds, the sealing effectiveness of water inlet is substantially increased；Due to setting up
Locking nut, that water inlet connector is connected with water inlet is more firm；
This arc pressuring plate not only has the function of insulation in a heat exchanger, but also with being connected before and after heat exchanger
The function of lid；Due to pre-buried metallic rod, the situation of high temperature stripped thread is effectively reduced, the use longevity of arc pressuring plate is extended
Life；The a plurality of reinforcement due to the surface distributed in arc plate body, makes arc plate body more sturdy and durable, is unlikely to deform.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings：
Fig. 1 is explosive view of the invention；
Fig. 2 is the enlarged drawing of all-premixing burner shown in Fig. 1；
Fig. 3 is the explosive view of all-premixing burner shown in Fig. 2；
Fig. 4 is the structural representation of combustion gas mixing channel body and upper cover body shown in Fig. 3；
Fig. 5 is the sectional view of combustion barrel shown in Fig. 3；
Fig. 6 is the stereogram of combustion barrel shown in Fig. 5；
Fig. 7 is the explosive view of condensing protecgulum shown in Fig. 1；
Fig. 8 is the enlarged drawing of thermal insulating disc shown in Fig. 1；
Fig. 9 is the explosive view of thermal insulating disc shown in Fig. 8；
Figure 10 is the structural representation of fixed disk shown in Fig. 9；
Figure 11 is the stereogram of fixed disk shown in Figure 10；
Figure 12 is the structural representation of arc pressuring plate shown in Fig. 1；
Figure 13 is the side view shown in Figure 12；
Figure 14 is the stereogram shown in Figure 12；
Figure 15 is the enlarged drawing of condensing bonnet shown in Fig. 1；
Figure 16 is the explosive view of condensing bonnet shown in Figure 15；
Figure 17 is the structural representation of rear cover body shown in Figure 16.
Figure 18 is the structural representation of lid shown in Fig. 7.
In figure：1st, gas air mixer；2nd, blower fan；3rd, combustion gas mixing channel body；4th, combustion barrel；5th, annular pressure
Lid；6th, combustion gas mixing channel cover；7th, ignition electrode；8th, porcelain pin is detected；9th, combustion gas mixing channel slot；10th, vent hole is mixed；11st, fire
Burn cylinder mounting hole；12nd, porcelain pin mounting hole is detected；13rd, ignition electrode mounting hole；14th, reinforcement；15th, screw；16th, screw；17th, method
It is blue；18th, screw；19th, seal washer；20th, thermal insulation board；21st, sealing ring；22nd, centre bore；23rd, ignition electrode passes through hole；24th, seal
Circle；25th, flange；26th, upper cover body；27th, outer barrel；28th, inner cylinder；29th, top cover；30th, porous fibre outer net；31st, through hole；32nd, it is heat-insulated
Ring；33rd, detection porcelain pin passes through hole；34th, all-premixing burner；35th, condensing protecgulum；36th, spiral coil；37th, thermal insulating disc；38、
Sealing drum；39th, arc pressuring plate；40th, condensing bonnet；41st, sealing ring；42nd, sealing ring；43rd, screw；44th, screw；45th, cover
Body；46th, loose rib A；47th, O-ring seals A；48th, loose rib B；49th, O-ring seals B；50th, delivery port connector；51st, lock
Nut；52nd, delivery port；53rd, male connection；54th, super water temperature protection switch；55th, fixed disk；56th, screw；57th, it is soft heat-insulated
Plate；58th, nut；59th, thermal insulation board；60th, spiral shape stator；61st, centre bore；62nd, jack；63rd, inserting-plate hole；64th, inserted sheet；65、
Arc plate body；66th, upper tie-beam；67th, lower tie-beam；68th, metallic rod；69th, screw；70th, reinforcement；71st, rear cover body；
72nd, loose rib A；73rd, O-ring seals A；74th, loose rib B；75th, O-ring seals B；76th, water inlet connector；77th, lock
Nut；78th, water inlet；79th, male connection；80th, water pipe head；81st, screw；82nd, exhanst gas outlet；83rd, sensor installation port；
84th, flue gas spoiler；85th, screw；86th, smoke impervious circle；87th, exhanst gas outlet top cover；88th, smoke evacuation pipe joint；89th, sealing gasket
Circle；90th, temperature sensor；91st, sensor installation port；92nd, flue-gas temperature sensor；93rd, underframe；94th, deep-slotted chip breaker；95th, arc
Groove；96th, condensate water discharging mouthful.
Embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Apply example the present invention is described in further detail, it is necessary to explanation, in the case where not conflicting, embodiments herein and
Feature in embodiment can be mutually combined.
As shown in figure 1, full premix combustion condensed heat exchanger, including all-premixing burner 34, condensing protecgulum 35, spiral shell
Capstan pipe 36, thermal insulating disc 37, sealing drum 38, arc pressuring plate 39 and condensing bonnet 40, arc pressuring plate 39 are provided with two pieces, spiral shell
Capstan pipe 36 is located in sealing drum 38, and two pieces of arc pressuring plates 39 are located at the periphery of sealing drum 38, condensing protecgulum 35 and condensation
Formula bonnet 40 is located at the two ends of sealing drum 38, and one end of condensing protecgulum 35 and sealing drum 38 is provided with the sealing ring that section is V-arrangement
41, the other end of condensing bonnet 40 and sealing drum 38 is provided with the sealing ring 42 that section is V-arrangement, and condensing protecgulum 35 passes through 4
Screw 43 is connected with one end of two pieces of arc pressuring plates 39, and condensing bonnet 40 passes through 4 screws 44 and two pieces of arc pressuring plates
39 other end connection.
The water inlet pipe mouth of spiral coil 36 is connected with the water inlet of condensing bonnet 40, the effluent pipe mouth of spiral coil 36 with
Upper cover body 26 in the delivery port connection of condensing protecgulum 35, all-premixing burner 34 is connected by screw with condensing protecgulum 35
Connect, the combustion barrel 4 in all-premixing burner 34 is extend into sealing drum 38 through condensing protecgulum 35, spiral coil 36 is located at combustion
The periphery of cylinder 38 is burnt, thermal insulating disc 37 is located in sealing drum 38, and on spiral coil 36.
As shown in Figure 2,3, 4, all-premixing burner 34, including gas air mixer 1, blower fan 2, combustion gas mixing passage sheet
Body 3, combustion barrel 4, annular gland 5, combustion gas mixing channel cover 6, ignition electrode 7, detection porcelain pin 8 and upper cover body 26, the upper cover body
26, to be connected with heat exchanger condensation protecgulum, combustion gas mixing channel body 3 and upper cover body 26 pass through casting integrated shaping, institute
State blower fan 2 and use frequency control blower fan, the gaseous mixture outlet of gas air mixer 1 is connected with the air intake vent of blower fan 2, combustion gas
One side surface of hybrid channel body 3 is provided with combustion gas mixing channel slot 9, the bottom surface of combustion gas mixing channel slot 9 and is provided with gaseous mixture
In through hole 10, combustion barrel mounting hole 11, upper cover body 26 and positioned at combustion gas mixing channel slot 9 porcelain pin mounting hole 12 is detected to be externally provided with
With ignition electrode mounting hole 13 and a plurality of concentric circular arc reinforcement 14, circle centre position is the center of combustion barrel mounting hole 11, burning
The end of cylinder 4 has extended radially outward flange 25, and the diameter of flange 25 is more than the diameter of combustion barrel mounting hole 11, combustion barrel 4
Through combustion barrel mounting hole 11, annular gland 5 is pressed on flange 25, and combustion barrel 4 is fixed, and the annular gland 5 passes through
Screw 15 is fixed in the groove bottom of combustion gas mixing channel slot 9, and ignition electrode 7 is passed through from the ignition electrode mounting hole 13 in upper cover body 26
And positioned at the side of combustion barrel 4, detection porcelain pin mounting hole 12 of the detection porcelain pin 8 from upper cover body 26 is passed through and positioned at combustion barrel 4
Side, combustion gas mixing channel cover 6 is fitted in the surface of combustion gas mixing channel body 3 and fixed with screw 16, combustion gas is mixed
Close channel slot 9 to close, the air outlet of blower fan 2 is connected with mixing vent hole 10, and specific connected mode is：At the air outlet of blower fan 2
Provided with flange 17, the flange 17 is connected by screw 18 with combustion gas mixing channel body 3, flange 17 and combustion gas mixing passage sheet
Seal washer 19 is provided between body 3.
Further, in addition to thermal insulation board 20 and sealing ring 21, the plate face of the thermal insulation board 20 is provided with centre bore 22, igniting
Pin passes through hole 23 and detection porcelain pin passes through hole 33, and combustion barrel 4 is passed through from centre bore 22, and thermal insulation board 20 and sealing ring 21 are located at
Between lid 26 and heat exchanger condensation protecgulum, in other words, upper cover body 26 is tightly connected with heat exchanger condensation protecgulum.It is described
Sealing ring 24 is provided between combustion gas mixing channel cover 6 and combustion gas mixing channel body 3.
As shown in Figure 5,6, the combustion barrel is using porous fiber burner cylinder, and it includes outer barrel 27, inner cylinder 28, the and of top cover 29
Porous fibre outer net 30, inner cylinder 28 is fixed in outer barrel 27, and top cover 29 is located at the upper port of outer barrel 27, the cylinder of the outer barrel 27
Multiple through holes 31 are distributed with wall, porous fibre outer net 30 is sleeved on the outer surface of outer barrel 27, the lower port edge of the outer barrel 27
Extending radially outwardly has described flange 25.Heat insulation loop 32 is also set with outer barrel 27.
As shown in fig. 7, the condensing protecgulum 35, including lid 45, loose rib A46, O-ring seals A47, loose rib
B48, O-ring seals B49, delivery port connector 50 and locking nut 51, locking nut 51 are located at described delivery port connector
In male connection 53 in 50, the lid 45, which is provided with delivery port 52, the delivery port 52, is provided with internal thread, loose rib
A46, O-ring seals A47, loose rib B48, O-ring seals B49 are overlayed in delivery port 52 successively, the delivery port connector
Male connection 53 in 50, extend into delivery port 52 and is threadedly coupled with delivery port 52, and simultaneously flat by what is be stacked together
Back-up ring A46, O-ring seals A47, loose rib B48, O-ring seals B49 are held out against, and are then connected delivery port with locking nut 51
Part is locked.In addition, the delivery port connector 50 is provided with super water temperature protection switch 54.
As shown in Fig. 8,9,10,11, the thermal insulating disc 37, including fixed disk 55, screw 56, soft thermal insulation board 57, nut
58 and thermal insulation board 59, the periphery of the fixed disk 55 is provided with spiral shape stator 60, and the fixed disk 55 is fixed by spiral shape
The grafting of piece 60 is fixed on spiral coil 36, and the one end of the screw 56 is welded on the central part of fixed disk 55, and nut 58 is set
In the plate face central part of thermal insulation board 59, thermal insulation board 59 is arranged on fixed disk 55 by the cooperation of nut 58 and screw 56, institute
State soft thermal insulation board 57 to be located between fixed disk 55 and thermal insulation board 59, the centre bore 61 of screw 56 from soft thermal insulation board 57 is passed through.
The circumferential distribution of the fixed disk 55 has two or more jack 62, and the circumferential distribution of the thermal insulation board 59 has and the phase of jack 62
Corresponding inserting-plate hole 63, inserted sheet 64 is extend into inserting-plate hole 63 through jack 62, and thermal insulation board 59 is fixed on fixed disk 55.
As shown in Figure 12,13,14, arc pressuring plate 39, including arc plate body 65, the upper side edge of the arc plate body 65 and
Lower side is connected to tie-beam 66 and lower tie-beam 67, and the two ends of the upper tie-beam 66 and lower tie-beam 67 are all pre-buried
There is metallic rod 68, the end face of the metallic rod 68 is provided with screw 69.The surface distributed of the arc plate body 65 has a plurality of reinforcement
70。
As shown in Figure 15,16, condensing bonnet 40, including rear cover body 71, exhanst gas outlet top cover 87 and underframe 93, it is described after
Lid 71 is arranged on underframe 93 by screw 81.The rear cover body 71 is provided with water inlet 78, exhanst gas outlet 82 and sensor
It is provided with installing port 83, the sensor installation port 83 in temperature sensor 90, the exhaust gases passes of the rear cover body 71 and is provided with cigarette
Gas spoiler 84.Exhanst gas outlet top cover 87 is arranged at exhanst gas outlet 82 by screw 85, exhanst gas outlet 82 and exhanst gas outlet top
Place is provided with smoke impervious circle 86 between lid 87, and the exhanst gas outlet top cover 87 connects provided with smoke evacuation pipe joint 88, the smoke exhaust pipe
Seal washer 89 is provided with first 88.The exhanst gas outlet top cover 87 is provided with sensor installation port 91, the sensor installation port
Flue-gas temperature sensor 92 is provided with 91.
Also include loose rib A72, O-ring seals A73, loose rib B74, O-ring seals B75, the and of water inlet connector 76
Locking nut 77, one end of the water inlet connector 76 is male connection 79, and the other end is water pipe head 80, locking nut
77 are located in male connection 79, and the rear cover body 71, which is provided with water inlet 78, the water inlet 78, is provided with internal thread, puts down gear
Circle A72, O-ring seals A73, loose rib B74, O-ring seals B75 are overlayed in water inlet 78 successively, and male connection 79 is stretched
Enter to being threadedly coupled with water inlet 78 in water inlet 78, and simultaneously by the loose rib A72 being stacked together, O-ring seals A73,
Loose rib B74, O-ring seals B75 are held out against, and are then locked water inlet connector with locking nut 77.
As shown in figure 17, the edge of the rear cover body 71 is provided with two deep-slotted chip breakers 94, two pieces of arc pressuring plates 39
One end is plugged in two deep-slotted chip breakers 94 respectively, and deep-slotted chip breaker 94 is positioned to the end to arc pressuring plate 39, with convenient
The rear cover body of condensing bonnet 40 and the connection of arc pressuring plate.
As shown in figure 18, the edge of the lid 45 is provided with two deep-slotted chip breakers 95, two pieces of arc pressuring plates 39 it is another
One end is plugged in two deep-slotted chip breakers 95 respectively, and deep-slotted chip breaker 95 is positioned to the end to arc pressuring plate 39, with convenient
The lid 45 of condensing protecgulum 35 and the connection of arc pressuring plate 39.
Operation principle：Combustion gas and air are entered from the fuel gas inlet and air intake on gas air mixer 1 respectively first
Enter in gas air mixer 1, the mixed gas of formation is extracted into combustion gas mixing channel body 3 through blower fan, along combustion gas mixing
Passage enters in combustion barrel 4, then lights mixed gas by ignition electrode 7, the water in spiral coil is heated；Water is from condensation
Water inlet on formula bonnet 40 is flowed into spiral coil, and the water after being heated in spiral coil is from the delivery port on condensing protecgulum 35
Outflow；Due to being mounted with thermal insulating disc 37 in sealing drum 38 and positioned at the centre position of spiral coil, thermal insulating disc 37 is to combustion barrel 4
The heat of generation has certain effect of blocking, and can prevent from burning out the component of condensing bonnet 40；Because the flue gas in rear cover body leads to
Flue gas spoiler is additionally arranged in road, exactly in order to prevent high-temperature flue gas from discharging too fast, heat is not fully utilized, so cigarette
Gas spoiler can stop the part of smoke with high temperature once, make smoke backflow, to helix tube bottom（After condensing
Lid 40）Water carry out reheating, flue gas after backflow enters flue gas spoiler and bonnet from the breach below flue gas spoiler
Exhaust gases passes between body, pass through exhanst gas outlet, from smoke evacuation pipe joint discharge.What combustion product gases were produced in heat exchanging process
Condensed water, is discharged from the condensed water discharge outlet 96 on condensing bonnet 40.
Implementation recited above is only that embodiment of the present invention is described, not to the spirit and scope of the present invention
It is defined, under the premise of design of the present invention is not departed from, technology of the ordinary skill technical staff to the present invention in this area
The equivalent structure that scheme the is made technical field related to being directly or indirectly used in, all should fall into protection scope of the present invention.
Claims (10)
1. a kind of full premix combustion condensed heat exchanger, including it is all-premixing burner, condensing protecgulum, spiral coil, heat-insulated
Disk, sealing drum, arc pressuring plate and condensing bonnet, spiral coil are located in sealing drum, and arc pressuring plate is located at sealing drum
Periphery, condensing protecgulum and condensing bonnet are located at the two ends of sealing drum and are connected respectively with the two ends of arc pressuring plate, spiral
The water inlet pipe mouth of coil pipe is connected with the water inlet of condensing bonnet, the effluent pipe mouth of spiral coil and the delivery port of condensing protecgulum
Upper cover body in connection, all-premixing burner is connected with condensing protecgulum, and the combustion barrel in all-premixing burner passes through condensing
Protecgulum is extend into sealing drum, and spiral coil is located at the periphery of combustion barrel, and thermal insulating disc is located in sealing drum, and installed in helical disk
Guan Shang.
2. full premix combustion condensed heat exchanger according to claim 1, it is characterised in that：The all-premixing burner
Including gas air mixer, blower fan, ignition electrode and combustion barrel, the gaseous mixture outlet of gas air mixer and entering for blower fan
Air port is connected, it is characterised in that：Also include combustion gas mixing channel cover, combustion gas mixing channel body, upper cover body and annular gland, institute
Upper cover body is stated, to be connected with heat exchanger condensation protecgulum, combustion gas mixing channel body and upper cover body are integrally formed, the combustion gas
One side surface of hybrid channel body is provided with combustion gas mixing channel slot, the bottom surface of combustion gas mixing channel slot and is provided with mixing vent hole
With combustion barrel mounting hole, combustion gas mixing channel cover is fitted in the surface of combustion gas mixing channel body and is screwed, will combustion
Gas hybrid channel groove closing, the air outlet of blower fan is connected with mixing vent hole；Also include detection porcelain pin, the detection porcelain pin is from upper
Detection porcelain pin mounting hole on lid is passed through and positioned at the side of combustion barrel；Ignition electrode is worn from the ignition electrode mounting hole in upper cover body
Cross and positioned at the side of combustion barrel.
3. full premix combustion condensed heat exchanger according to claim 1, it is characterised in that：The combustion barrel is using more
Hole fiber combustion barrel, it includes outer barrel, inner cylinder, top cover and porous fibre outer net, and inner cylinder is fixed in outer barrel, and top cover is located at outer barrel
Upper port at, multiple through holes are distributed with the barrel of the outer barrel, porous fibre outer net is sleeved on the outer surface of outer barrel, described
The lower port of outer barrel has extended radially outward flange, and the diameter of flange is more than the diameter of combustion barrel mounting hole, and combustion barrel is passed through
Combustion barrel mounting hole, annular gland is pressed on flange, and combustion barrel is fixed, and the annular gland is screwed in combustion
In the groove bottom of gas hybrid channel groove.
4. full premix combustion condensed heat exchanger according to claim 1, it is characterised in that：The condensing protecgulum bag
Lid, loose rib A, O-ring seals A, loose rib B, O-ring seals B and delivery port connector are included, the lid is provided with water outlet
Mouthful, internal thread is provided with the delivery port, loose rib A, O-ring seals A, loose rib B, O-ring seals B overlay water outlet successively
Intraoral, the male connection in the delivery port connector is extend into delivery port that loose rib A, O shape being stacked together is close
Seal A, loose rib B, O-ring seals B hold out against, and are threadedly coupled with delivery port；Also include locking nut, the locking nut is set
In male connection in described delivery port connector；Lid or the delivery port connector is opened provided with the protection of super water temperature
Close.
5. full premix combustion condensed heat exchanger according to claim 1, it is characterised in that：Condensing bonnet, including
Rear cover body and exhanst gas outlet top cover, the rear cover body are provided with water inlet and exhanst gas outlet, and exhanst gas outlet top cover is pacified by screw
It is provided with smoke impervious circle, the exhanst gas outlet top cover and sets mounted in smoke outlet, between exhanst gas outlet and exhanst gas outlet top cover
Have and flue gas spoiler is provided with smoke evacuation pipe joint, the exhaust gases passes of the rear cover body.
6. full premix combustion condensed heat exchanger according to claim 5, it is characterised in that：Condensing bonnet, is also wrapped
Include and internal thread be provided with loose rib A, O-ring seals A, loose rib B, O-ring seals B and water inlet connector, the water inlet,
Loose rib A, O-ring seals A, loose rib B, O-ring seals B are overlayed in water inlet successively, and the one of the water inlet connector
Hold as male connection, the other end is water pipe head, male connection is extend into the loose rib being stacked together in water inlet
A, O-ring seals A, loose rib B, O-ring seals B hold out against, and are threadedly coupled with water inlet.
7. full premix combustion condensed heat exchanger according to claim 6, it is characterised in that：The exhanst gas outlet top cover
It is provided with sensor installation port, the sensor installation port and is provided with flue-gas temperature sensor, the rear cover body is provided with sensing
Temperature sensor is provided with device installing port, the sensor installation port.
8. full premix combustion condensed heat exchanger according to claim 1, it is characterised in that：The arc pressuring plate,
Including arc plate body, the upper side edge and lower side of the arc plate body are connected to tie-beam and lower tie-beam, it is described on
The two ends of tie-beam and lower tie-beam are all embedded with metallic rod, and the end face of the metallic rod is provided with screw.
9. full premix combustion condensed heat exchanger according to claim 1, it is characterised in that：The thermal insulating disc, including
Fixed disk and thermal insulation board, the periphery of the fixed disk are provided with spiral shape stator, and the fixed disk is solid by spiral shape stator
Be scheduled in the spiral coil of heat exchanger, the thermal insulation board be located on fixed disk and with fixed disk releasable connection.
10. full premix combustion condensed heat exchanger according to claim 9, it is characterised in that：The thermal insulating disc, is also wrapped
Soft thermal insulation board is included, the soft thermal insulation board is located between fixed disk and thermal insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710219535.1A CN107044786B (en) | 2017-04-06 | 2017-04-06 | Full premix combustion condensing heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710219535.1A CN107044786B (en) | 2017-04-06 | 2017-04-06 | Full premix combustion condensing heat exchanger |
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| CN107044786A true CN107044786A (en) | 2017-08-15 |
| CN107044786B CN107044786B (en) | 2023-06-16 |
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| CN111006524A (en) * | 2019-12-30 | 2020-04-14 | 四川昊宇龙星科技有限公司 | Full-premixing condensing heat exchanger |
| WO2022021398A1 (en) * | 2020-07-29 | 2022-02-03 | 芜湖美的厨卫电器制造有限公司 | Heat exchanger and water heating device |
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|---|---|
| CN107044786B (en) | 2023-06-16 |
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