CN208012065U - A kind of condensing gas-fired fast water heater - Google Patents

Abstract

The utility model creation is related to gas heater technical field, more particularly to condensation water heater.A kind of condensing gas-fired fast water heater, including main heat exchanger, wind turbine and condensing heat exchanger, the wind turbine is arranged on main heat exchanger, the wind turbine is connect with the condensing heat exchanger, heat exchanging body upper gas sealing lid and it is lower between water seal cover and heat exchanging body be equipped with gasket, include the first water inlet water flow passage in heat exchanging body, second water inlet water flow passage and the first water outlet water flow passage, second water outlet water flow passage, due to the presence of the first water-carrying groove and the second water-carrying groove of upper gas sealing lid, flow can flow to the first water outlet water flow passage from the first water inlet water flow passage, the second water outlet water flow passage is flowed to from the second water inlet water flow passage, twice flow is flowed into from the first water outlet water flow passage and the second water outlet water flow passage in the effluent trough of lower water seal cover, twice flow is combined into one.The water route of the utility model heat exchanging body is simple, realizes heat exchanging body end face seal by non-solder mode and provides heat exchanging body water inlet and exhalant canal.

Description

A kind of condensing gas-fired fast water heater

Technical field

The utility model is related to gas heater technical field more particularly to condensing type water heaters.

Background technology

Existing condensing gas-fired fast water heater, condensing heat exchanger mostly use metal plate and weld to form seal cavity, close Flue gas flow channel design is carried out again in envelope cavity, is limited to the formability of metal plate, and flue gas flow channel cannot be excessively complicated, therefore, greatly After partial condensation heat exchanger enters condensing heat exchanger using flue gas at present, enter heat exchange from condensing heat exchanger lower part of the housing space Device, flue gas are expelled directly out after heat exchanger exchanges heat, but flue gas will produce condensed water to the cold in heat transfer process, and condensed water is along changing Hot face is dripped along gravity direction, when condensed water drippage direction is opposite with flue gas flow direction, is easy to form liquid film, flue gas in heat-transfer surface It cannot directly be contacted with heat-transfer surface, the heat exchange efficiency of heat exchanging body certainly will reduce.Furthermore the existing common aluminum heat exchanging body of shell-and-tube It passes in and out water swivel to weld using aluminium and heat exchanging body, when using aluminum condensing heat exchanger, be easy between metal shell and heat exchanging body Potential difference is generated, causes heat exchanging body electrochemical corrosion phenomenon serious, easily causes condensing heat exchanger leak, this phenomenon is in China The poor region of water quality, such as northwest and northeast and Basin of Huaihe River, performance is especially prominent, finally uses corrosion resistance high As heat exchanging body base material, the program shows preferably stainless steel material in terms of corrosion resistance, but stainless steel to be fabricated to it is closed Space, it is necessary to which welding mean is realized, including heat exchanging body welding and case weld, and technology ensuring is more demanding, and because weld seam is deposited In impurity, weld stress is more concentrated, and the weak link of condensing heat exchanger is easily become.

Utility model content

It is intended to simplification in view of this, the primary and foremost purpose of the utility model is to provide a kind of condensing gas-fired fast water heater and changes The disengaging water route of hot body, to simplify the structure of condenser.

A kind of condensing gas-fired fast water heater, including main heat exchanger, wind turbine and condensing heat exchanger, the wind turbine setting exist On main heat exchanger, the wind turbine is connect with the condensing heat exchanger, and the condensing heat exchanger includes shell, petticoat pipe and heat exchanging body, The heat exchanging body is disposed in the housing, and the shell is connected with petticoat pipe, outlet flue is equipped on the petticoat pipe, in the shell Body is equipped with smoke inlet, water inlet, water outlet and condensation-water drain, and the smoke inlet of the shell is connect with the wind turbine, in institute Water seal cover and lower water seal cover are installed in the top and bottom for stating heat exchanging body respectively, and the heat exchanging body includes at least a water inlet flow Road, a water outlet water flow passage and an exhaust gases passes, at least provided with a water-carrying groove in the upper gas sealing lid, in the lower envelope Water cover be equipped with intake chamber and effluent trough, flow in the condensing heat exchanger followed by the intake chamber, water inlet water flow passage, The water-carrying groove, the water outlet water flow passage and the effluent trough, the intake chamber and effluent trough of the lower water seal cover are equipped with water inlet And water outlet, what is connect with the inlet and outlet is water supply connector and water outlet connector, and the water outlet connector passes through water outlet Pipe is connected to the water inlet pipe of main heat exchanger, and the water supply connector is connected to the water inlet pipe of water heater.In the technical scheme flow from The water inlet pipe of water heater enters the intake chamber of lower water seal cover, the water inlet water flow passage of heat exchanging body is then flowed into, in the mistake of upper gas sealing lid Under the limitation of sink, flow flows into the effluent trough of lower water seal cover from water inlet water flow passage flow direction water outlet water flow passage, passes through later Outlet pipeline enters main heat exchanger and carries out heat exchange again.The technical program realizes heat exchanging body end face seal by non-solder mode And heat exchanging body water inlet and exhalant canal are provided, coordinated by the runner of water seal cover and heat exchanging body, realizes that water route shunting and runner are set Meter.

Further, the heat exchanging body include first water inlet water flow passage, second water inlet water flow passage and first water outlet water flow passage, Second water outlet water flow passage, the upper gas sealing lid includes the first water-carrying groove and the second water-carrying groove, and the intake chamber of the lower water seal cover exists Heat exchanging body bottom corresponds to the first water inlet water flow passage and the second water inlet water flow passage, and the effluent trough of the lower water seal cover is exchanging heat Body bottom corresponds to the first water outlet water flow passage, the second water outlet water flow passage, and the first water-carrying groove of the upper gas sealing lid is exchanging heat The first water inlet water flow passage and the first water outlet water flow passage are corresponded at the top of body, the second water-carrying groove of the upper gas sealing lid is on heat exchanging body top Portion corresponds to the second water inlet water flow passage and the second water outlet water flow passage.In the technical scheme, effluent trough of the flow in lower water seal cover It is divided into twice flow, respectively enters the first water inlet water flow passage and the second water inlet water flow passage, after flow enters upper gas sealing lid, due to Water inlet flow channel and outlet passage are in the same water-carrying groove, and due to the presence of the first water-carrying groove and the second water-carrying groove, flow can be from First water inlet water flow passage flows to the first water outlet water flow passage, and the second water outlet water flow passage, twice flow are flowed to from the second water inlet water flow passage It is flowed into the effluent trough of lower water seal cover from the first water outlet water flow passage and the second water outlet water flow passage, twice flow is combined into one, finally It is discharged from effluent trough.In the technical scheme, twice water flow passage ensure that enough hot water effluents amount of heat exchanging body first, secondly It is that flow flows back and forth in heat exchanging body, extends the time with flue gas heat exchange, has fully absorbed the heat of flue gas.

Further, in the first water inlet water flow passage, the second water inlet water flow passage, the first water outlet water flow passage and the second water outlet Water flow passage is equipped with partition board between each other, and the partition board is flushed with the heat exchanging body both ends.The partition board and the heat exchanging body both ends Flushing reduces the manufacturing cost of heat exchanging body, and partition board can prevent the flow in water flow passage from interfering.

Further, lower water seal cover baffle is equipped between the intake chamber and effluent trough on the lower water seal cover, under described Water seal cover baffle is flushed with the intake chamber and effluent trough, between the first water-carrying groove and the second water-carrying groove that the upper gas sealing covers Equipped with upper gas sealing lid baffle, the upper gas sealing lid baffle is flushed with first water-carrying groove and the second water-carrying groove.The lower water shutoff The barrier partitions inflow and outflow of lid, and the baffle of the upper gas sealing lid makes the water of the first water inlet water flow passage enter the first water outlet The water of water flow passage, the second water inlet water flow passage enters the second water outlet water flow passage.

Further, it is all provided with that there are three seal grooves on the water supply connector and water outlet connector, three seal grooves are along flow side To setting gradually, stop flange is being equipped between water inlet end or two seal grooves of water outlet.Specifically, the water inlet Three seal grooves are the first seal groove, the second seal groove and third seal groove on connector and water outlet connector.First seal groove It is sealed by sealing ring with the water outlet and water inlet of lower water seal cover, prevents from leaking at heat exchanging body Inlet and outlet water, second sealing The shell of slot and condensing heat exchanger is sealed by sealing ring, prevents condensed water or flue gas from being leaked from water heater or condenser, Cause danger.The stop flange is supported and by the shell supporting surface of water heater or condenser in installation condition It is adjacent to shell supporting surface and water seal cover supporting surface, the sealing ring of the sealing ring and the second seal groove that ensure the first seal groove is always Keep sealing state.The third seal groove is sealed with connecting tube by sealing ring, prevents from leaking at condenser Inlet and outlet water.

Further, the first water inlet water flow passage, the second water inlet water flow passage, the first water outlet water flow passage and the second water outlet water Runner setting is equipped with interior heat exchanger fin between the exhaust gases passes and heat exchange phosphor bodies on the inside of the exhaust gases passes.Such flow Flue gas heat can not only be absorbed outside heat exchanging body, it also can be from heat exchanging body absorbed inside flue gas heat.In order to expand flow and cigarette The heat exchange area of gas is equipped with interior heat exchanger fin on the inside of the exhaust gases passes.

The second purpose of the utility model aim is on the basis of the above, to solve flue gas flow direction in existing condensing heat exchanger Direction is dripped with condensed water on the contrary, the heat exchange efficiency brought reduces.Smoke chamber and heat exchange are led for this purpose, being formed with down in the shell Chamber, smoke chamber is led under the shell and heat exchanging chamber is arranged side by side, and is formed with to lead smoke chamber and be arranged in the petticoat pipe and is led cigarette upper Diversion division in chamber, the diversion division are equipped with exhaust smoke hole, it is described on lead smoke chamber with it is described under corresponding, the heat exchanging body of leading smoke chamber It is arranged in the heat exchanging chamber, the heat exchanging body is equipped with exhaust gases passes, and the cigarette of the heat exchanging body is arranged in the diversion division of the petticoat pipe In gas channel.After flue gas enters condensing heat exchanger from main heat exchanger, smoke chamber is led under shell first and flowed up, into cigarette Smoke chamber is led on cover, since diversion division can guide flue gas flow direction, flue gas that can be flowed along diversion division, i.e., flue gas can only be from condensation The top down of heat exchanger flows, and ensures when heat exchange flue gas flow direction and condensation flow to consistent, the heat-transfer surface of such heat exchanging body is just It is not easy to form liquid film, also just improves the heat exchange efficiency of condensing heat exchanger.Since the exhaust gases passes in heat exchanging body are arranged in diversion division In, condensing heat exchanger is discharged in last flue gas from diversion division, and the diversion division shape of the technical program can be round or other can To guide the geometry of flow of flue gas.The bottom end of smoke chamber is led described in smoke inlet can be arranged in fact can ensure to enter condensation All flue gases of heat exchanger are all flowed up from leading in smoke chamber, into heat exchanging chamber, are carried out aqueous vapor heat exchange, are utilized cigarette Gas heat.In addition, in the technical scheme, the flue gas in condensing heat exchanger after heat exchange can enter diversion division by exhaust smoke hole Inside, condensing heat exchanger is discharged later, due to diversion division be equipped with independent exhaust smoke hole, just increase the row of condensing heat exchanger Cigarette area so that condensing heat exchanger is suitable for different water heater platforms and different operating load, improves the logical of condensing heat exchanger The property used.In order to make petticoat pipe be connected with shell, it is equipped with housing coupling part in one end of the separate water inlet of the shell, in the cigarette Cover is equipped with petticoat pipe interconnecting piece, and the housing coupling part and petticoat pipe interconnecting piece match.The interconnecting piece is used for shell and petticoat pipe Connection, shell can be riveting or clamping with petticoat pipe, can also be the combination of riveting and clamping, i.e., the described housing coupling part and petticoat pipe Interconnecting piece can be the mounting base with rivet hole, can also be snap-in structure, can also be provided simultaneously with the mounting base and card of rivet hole Close structure.

Further, a point cigarette muscle is provided in the shell, the shell is divided into the heat exchanging chamber by described point of cigarette muscle Smoke chamber is led under.The shape of point cigarette muscle is designed here according to the shape of condensing heat exchanger, such as condensing heat exchanger is circle, just Cigarette muscle can will be divided to design camber, preferably to install condensing heat exchanger.It can will divide cigarette if condensing heat exchanger is rectangle Muscle designs squarely.

The purpose of third of the utility model is to easy to produce potential difference between metal shell and heat exchanging body in order to prevent, is caused Heat exchanging body electrochemical corrosion phenomenon is serious, easily causes condensing heat exchanger leak, for this purpose, the petticoat pipe and shell are by fire-retardant and resistance to The plastics or its modified material of temperature are made, and the petticoat pipe is integrally formed with the diversion division and either rivets or be clamped.Using resistance The plastics of combustion and heatproof, which can block, generates potential difference between shell and heat exchanging body, prevent heat exchanging body electrochemical corrosion and cause condensation Heat exchanger leak.Diversion division and petticoat pipe are integrally formed the quantity for reducing parts, reduce assembly process.It is described for another example to lead Stream portion and petticoat pipe pass through riveting.It, can between diversion division and petticoat pipe in order to improve the air-tightness between diversion division and petticoat pipe It is sealed equipped with gasket.The for another example described diversion division and petticoat pipe are by being connected together.Card slot can be equipped on diversion division, described It is buckled on petticoat pipe, the buckle coordinates with card slot.Since shell and petticoat pipe in the technical scheme are using fire-retardant and heatproof Plastics or its modified material be made, in order to for prevent case temperature be more than case material resistance to temperature value, can shell or/ It is equipped with temperature control equipment with petticoat pipe, therefore when manufacturing shell or/and petticoat pipe, can be set on shell or/and petticoat pipe There is temperature control equipment mounting base.

Further, lower seal pad is equipped between the lower water seal cover and heat exchanging body, in the upper gas sealing lid and heat exchange It is equipped with upper gasket between body, is equipped with gasket between the shell and petticoat pipe, in the lower water seal cover and the lower sealing It is equipped with positioning device between pad, positioning device is equipped between the upper gas sealing lid and the upper gasket..Gasket is anti-with gas Sealing and smoke spillage.Between the lower water seal cover and the lower seal pad be equipped with positioning device, the upper gas sealing lid with Positioning device is equipped between the upper gasket.Positioning device can ensure manufacture consistency.Positioning device may be used a variety of fixed Bit architecture, for example it is equipped with positioning column in the upper gasket and lower seal pad, it covers and is equipped in the lower water seal cover and upper gas sealing Location hole.

Compared with prior art, the utility model include at least following advantageous effect：

(1) the condensing heat exchanger shell in the utility model be equipped with above lead smoke chamber, under lead smoke chamber and diversion division, these knot Flue gas can be guided to be flowed from top down under the action of structure, ensure when heat exchange that flue gas flow direction and condensation flow to consistent, avoid The heat-transfer surface of heat exchanging body forms liquid film.

(2) diversion division in the utility model offers exhaust smoke hole, increases the smoke extraction area of condensing heat exchanger so that cold Solidifying heat exchanger is suitable for different water heater platforms and different operating load, improves the versatility of condensing heat exchanger.

(3) shell in the utility model can be blocked using fire-retardant and heatproof plastics and generate electricity between shell and heat exchanging body Potential difference prevents heat exchanging body electrochemical corrosion and causes condensing heat exchanger leak.

(4) manufacturing cost for reducing parts is made of flame-resistant high-temperature-resistant plastics for the petticoat pipe in the utility model.

(5) water flow passage of the heat exchanging body component in the utility model is matched with the sink of upper gas sealing lid, lower water seal cover, real Existing flow flows in heat exchanging body, simplifies the waterway structure of condenser, is not necessarily to welding procedure.

(6) partition board of the utility model is flushed with heat exchange phosphor bodies, reduces the manufacturing cost of entire heat exchanging body.

(7) heat exchanging body in the utility model can intercept different length according to thermal efficiency requirements, without changing other structures, Versatility is high.

(8) the inflow and outflow connector in the utility model uses three-layer sealed, realizes the sealing of heat exchanging body water channel, cigarette respectively Gas and condensation water-stop, condenser pass in and out water-stop, ensure sealing reliability.

Description of the drawings

Fig. 1 is a kind of internal structure chart of condensing gas-fired fast water heater of the utility model；

Fig. 2 is the structural schematic diagram of the condensing heat exchanger in the utility model；

Fig. 3 is the decomposition texture schematic diagram of the condensing heat exchanger in the utility model；

Fig. 4 is the part-structure schematic diagram of the condensing heat exchanger in the utility model；

Fig. 5 is the front view of the condensing heat exchanger in the utility model；

Fig. 6 is A-A sectional views in Fig. 5；

Fig. 7 is the structural schematic diagram of the shell of the condensing heat exchanger in the utility model；

Fig. 8 is the vertical view of the shell of the condensing heat exchanger in the utility model；

Fig. 9 is the structural schematic diagram of the first petticoat pipe of the utility model；

Figure 10 is the structural schematic diagram at another visual angle of the first petticoat pipe of the utility model；

Figure 11 is the structural schematic diagram of second of petticoat pipe of the utility model；

Figure 12 is the structural schematic diagram of the part-structure of second of petticoat pipe of the utility model；

Figure 13 is the diversion division modular construction schematic diagram of second of petticoat pipe of the utility model；

Figure 14 is the structural schematic diagram of the third petticoat pipe of the utility model；

Figure 15 is the portions D enlarged view in Figure 14；

Figure 16 is the portions E enlarged view in Figure 14；

Figure 17 is the structural schematic diagram of the part-structure of the utility model the third petticoat pipe；

Figure 18 is the portions F enlarged view in Figure 17；

Figure 19 is the diversion division modular construction schematic diagram of the third petticoat pipe of the utility model；

Figure 20 is the structural schematic diagram of the housing seal pad of the utility model；

Figure 21 is the structural schematic diagram of the heat exchanging body of the utility model；

Figure 22 is the vertical view of the heat exchanging body of the utility model；

The heat exchanging body and the structural schematic diagram after the installation of upper and lower water seal cover that Figure 23 is the utility model；

The heat exchanging body and the decomposition texture schematic diagram after the installation of upper and lower water seal cover that Figure 24 is the utility model；

Figure 25 is the structural schematic diagram of the upper gas sealing lid of the utility model；

Figure 26 is the structural schematic diagram at another visual angle of upper gas sealing lid of the utility model；

Figure 27 is the structural schematic diagram of the lower water seal cover of the utility model；

Figure 28 is the structural schematic diagram at another visual angle of lower water seal cover of the utility model；

Figure 29 is the structural schematic diagram of the upper gasket of the utility model；

Figure 30 is the front view of the utility model part-structure；

Figure 31 is the sectional view in the directions G-G in Figure 30；

Figure 32 is the structural schematic diagram of the water outlet connector of the utility model.

It is marked in figure：

The component of water heater in the utility model marks：70- wind turbines, 71- outlet pipes, 72- main heat exchangers, 73- burnings Device, 74- water inlet pipes, 75- condenser pipes.

The component of condensing heat exchanger in the utility model marks：1- shells, 10- heat exchanging chambers, 101- divide cigarette muscle, under 11- Lead smoke chamber, 12- smoke inlets, 13- water outlets, 14- interconnecting pieces, 15- water outlets, 16- open edges, 17- condensation-water drains, 18- Fixed part, 19- temperature control equipment mounting portions, 2- petticoat pipes lead smoke chamber, 20- smoke pipe carriers, 21- diversion divisions, 22- on 200- Rivet interlacement seat, 23- seal grooves, 24- support columns, 25- fixture blocks, 26- diversion divisions rivet seat, and 27- petticoat pipes rivet seat, 28- petticoat pipes It is clamped seat, 280- is clamped fixture block, 281- dowels, 29- limited blocks, 201- diversion divisions clamping seat, 202- limiting slots, 203- engagings Slot, 4- heat exchanging bodies, the water inlet water flow passages of 401- first, the water inlet water flow passages of 402- second, 403- second are discharged water flow passage, 404- first It is discharged water flow passage, 406- partition boards, heat exchanger fin in 407-, 408- exhaust gases passes, the outer heat exchanger fins of 409-, 410- heat exchanging body connecting seats, 31- lower seal pads, water seal cover under 3-, 301- smoke intaking holes, 302- water outlets, 303- water inlets, water seal cover connecting seat under 304-, Water seal cover first positioning hole under 305-, 306- effluent troughs, 307- intake chambers, water seal cover second location hole under 308- are sealed under 309- Water cover second stop water board, the first water fender of water seal cover under 310-, the upper gaskets of 51-, the first positioning columns of 511-, 512- second are positioned Column, 513- water holes, 5- upper gas sealing lids, 501- ventholes, 502- upper gas sealing lid connecting seats, the first water-carrying grooves of 503-, 504- Two water-carrying grooves, 505- upper gas sealing lid first positioning holes, 506- upper gas sealing lid second location holes, 507- upper gas sealings the second water blocking of lid Plate, 508- upper gas sealings the first water fender of lid, 6- housing seal pads, 8- water supply connectors, 9- water outlet connectors, the first seal grooves of 90-, 91- stop flanges, the second seal grooves of 92-, 93- connecting flanges, 94- third seal grooves, the inlet openings 96-, the first sealing rings of 95-, The second sealing rings of 98-.

Specific implementation mode

Referring first to Fig. 1-6, a kind of condensing gas-fired fast water heater includes burner 73, is arranged above burner 73 Main heat exchanger 72, the wind turbine 70 of setting main heat exchanger 72 top, wind turbine 70 connect with the shell 1 of condensing heat-exchange, so as to from master The flue gas that heat exchanger 72 comes out enters condensing heat exchanger.The water outlet connector 9 of condensing heat exchanger is connected to main heat exchange by outlet pipe 71 The water inlet pipe of device 72, water supply connector 8 are connected to the water inlet pipe 74 of water heater so that flow enters condensing heat exchanger, condenser pipe 75 The condensation-water drain 17 on shell 1 is connected, water heater is discharged in condensed water.The water heater of the utility model also includes other certainly Realize the necessary parts of water heater function, but the main utility model point of the utility model is condensing heat exchanger, hereafter in detail The condensing heat exchanger of thin description the utility model.Condensing heat exchanger in the present embodiment includes shell 1 and the cigarette that is connect with shell 1 Cover 2, shell 1 are connect with petticoat pipe 4 by clamping and screw, and the fixture block 25 on specific petticoat pipe 2 is fastened on the edge of the protrusion of shell 1 On, rivet passes through the interconnecting piece 14 of the rivet interlacement seat 22 and shell 1 on petticoat pipe 2.

The structure of shell 1 is described now, referring to Fig. 7-8,1 shape of shell is substantially in " L " font, shell 1 can be by Fire-retardant and heatproof plastics are made, and not will produce potential difference between the shell of plastic material and the heat exchanging body of aluminum, to prevent Heat exchanging body electrochemical corrosion.It is equipped with interconnecting piece 14 in 1 top edge of shell, interconnecting piece 14 is connect for shell 1 with petticoat pipe 2, at this Interconnecting piece 14 is the mounting base with rivet hole in embodiment.Temperature control equipment mounting base 19 is equipped on the side wall of shell 1. Mounting base is more than the resistance to temperature value of case material for preventing the temperature of shell 1 for installing temperature control equipment.In shell 1 Bottom mounting part 18, for shell 1 to be fixed on water heater.The open edge 16 of shell 1 is plane, open edge 16 For plane, can be fitted close in this way with the gasket 6 in the seal groove 23 of petticoat pipe 2.It is equipped within the case 1 and divides cigarette muscle 101, point Cigarette muscle 101 is integrally formed with shell 1, and point cigarette muscle 101 divides shell 1 leads smoke chamber 11, heat exchanging chamber 10 for heat exchanging chamber 10 under It leads smoke chamber 11 under to be set up in parallel, heat exchanging chamber 10 is for installing heat exchanging body 4, and in the figure 7, thick dashed line indicates the stream of flue gas To heavy line indicates the flow direction of condensed water, and in order to ensure that more flue gases enter heat exchanging chamber 10 by fixed flow direction, smoke inlet 12 is arranged In the lower part for leading smoke chamber 11, the height of cigarette muscle 101 is divided to be not less than heat exchanging body 4, the flue gas flow direction into shell be now under lead cigarette It is flowed up in chamber 11, is exactly to flow downward in heat exchanging chamber 10 after more excessive cigarette muscle 101, the flue gas flow channel in heat exchanging chamber 10 Direction is consistent with the direction that condensed water drips.

Referring to Fig. 9-19, the structure of petticoat pipe 2 described now, in the present embodiment according to diversion division 21 and 2 connection side of petticoat pipe The difference of formula is divided into three kinds of petticoat pipes, petticoat pipe 2, smoke pipe carrier 20 and the diversion division 21 of the first petticoat pipe are integrally formed, reduce The quantity of parts.Petticoat pipe 2 is equipped with smoke pipe carrier 20 and diversion division 21, and smoke pipe carrier 20 and diversion division 21 are integrated into The hollow circuit cylinder of type, the opening close to 20 one end of smoke pipe carrier are venthole, for the flue gas discharge of condensing heat exchanger is cold Except solidifying heat exchanger, the opening close to 21 one end of diversion division is exhaust smoke hole, and exhaust smoke hole is used for heat exchange in condensing heat exchanger is complete Flue gas export condensing heat exchanger.Petticoat pipe 2, smoke pipe carrier 20 and diversion division 21 are made into integration using flame-resistant high-temperature-resistant plastics, Petticoat pipe 2 is substantially open "U" shaped, is formed with inside petticoat pipe 2 and leads smoke chamber 200, and the open edge of petticoat pipe 2 is equipped with seal groove 23, rivet interlacement seat 22 and fixture block 25, the phase interworking of rivet interlacement seat 22 and fixture block 25 are also set up in the open edge of petticoat pipe 2 It closes so that petticoat pipe 2 is more easily readily mounted on condensing heat exchanger shell 1.It is additionally provided with support column 24 in the inside of petticoat pipe 2, Support column 24 can give heat exchanging body 4 to provide support and limit, and support column 24 is hollow structure, and inside can be inserted in heat exchanging body screw Head or other positive stop lug boss structures.Diversion division 21 can guide flue gas flow direction, when flue gas enter petticoat pipe on lead smoke chamber 200 after, Flue gas can be flowed along diversion division, i.e., flue gas can only be flowed from the top down of condensing heat exchanger, ensure flue gas flow direction when heat exchange With condensation flow to consistent, the heat-transfer surface of such heat exchanging body is just not easy to form liquid film, also just improves the heat exchange of condensing heat exchanger Efficiency.Three kinds of petticoat pipes, the petticoat pipe of the first petticoat pipe are divided into according to the difference of diversion division 21 and 2 connection type of petticoat pipe in the present embodiment 2, smoke pipe carrier 20 and diversion division 21 are integrally formed, and reduce the quantity of parts.

The structure of second of petticoat pipe and the first petticoat pipe is essentially identical, and difference is the diversion division 21 and cigarette of second of petticoat pipe Cover 2 is riveting.It is respectively equipped with diversion division riveting seat 26 on diversion division 21 and petticoat pipe 2 and petticoat pipe rivets seat 27, water conservancy diversion Portion rivets seat 26 and petticoat pipe riveting seat 27 is respectively equipped with mutual corresponding rivet hole, and rivet hole is provided with three in the present embodiment A, riveting the rivet hole seat of seat 27 and the side wall of petticoat pipe 2 in petticoat pipe has dowel connection, strong with the fixation for improving rivet hole seat Degree.Sealing ring can be equipped between diversion division 21 and petticoat pipe 2, forcing tight formed by riveted seals, and prevents smoke spillage.For peace Bearing step can be equipped with by filling sealing ring diversion division riveting seat 26 and petticoat pipe riveting seat 27, to place sealing ring, referring to Figure 13- 15。

The structure of the third petticoat pipe and second of petticoat pipe is essentially identical, and difference is the diversion division 21 and cigarette of the third petticoat pipe Cover 2 is connected together.It is respectively equipped with petticoat pipe clamping seat 28 on diversion division 21 and petticoat pipe 2 and diversion division is clamped seat 201, in cover 28 spaced set of seat, three clamping fixture blocks 280 are clamped, it is each to be clamped side wall of the fixture block 280 by dowel 281 and petticoat pipe 2 Connection so that clamping fixture block 280 and the bonding strength of petticoat pipe 2 are stronger.It is set there are three card slot 203 on diversion division clamping seat 201, Petticoat pipe 2 and diversion division 21 by card slot 203 and clamping fixture block 280 it is mutually embedded after, pass through opposite turn of petticoat pipe 2 and diversion division 21 It is dynamic to form clamping operation；Petticoat pipe 2 is with 21 joint face of diversion division using being interference fitted, and mating surface forms sealing after ensureing connection. Limited block 29 is additionally provided on petticoat pipe 2, corresponding is equipped with limiting slot 202 on diversion division clamping seat 201, passes through limiting slot 202 limit the turned position of petticoat pipe 2 and diversion division 21 with the cooperation of limited block 29, ensure conformity of production.

Referring to Figure 21-29, turning now to the structure of bright heat exchanging body component, heat exchanging body 4 includes hollow cylindrical body, in master Body is equipped with heat exchanging body mounting base 110, to connect heat exchanging body 4 and other parts.Outer heat exchanger fin 409 is equipped in main body, Exhaust gases passes 408 are equipped in main body, exhaust gases passes 408 are used to flue gas heat exchanging body 4 is discharged, in order to further expand water and cigarette The heat exchange area of gas is equipped with interior heat exchanger fin 407 on exhaust gases passes 408, is set between exhaust gases passes 408 and ontology there are four water Runner, i.e., the first water inlet water inlet water flow passage 402, second of water flow passage 401, second are discharged water flow passage 403 and first and are discharged water flow passage 404, this four water flow passages are arc-shaped, and the first water inlet water flow passage 401 setting is discharged water in the second water inlet water flow passage 402 and first Between runner 404, the second water inlet water flow passage 402 is arranged between the first water inlet water flow passage 401 and second is discharged water flow passage 403, If for the flow direction of Inlet and outlet water, it is only necessary to first water inlet water flow passage 401 with first be discharged water flow passage 404 it is adjacent, second Water flow passage 402 of intaking is adjacent with the second water outlet water flow passage 403.Partition board 406, partition board 406 are equipped between four water flow passages It is flushed with main body, that is, 406 both ends of partition board are flushed with main body respectively.

The upper and lower ends of heat exchanging body 4 are equipped with upper gas sealing lid 5 and lower water seal cover 3, upper gas sealing lid 5 and lower water seal cover 3 with It is equipped with upper gasket 51 and lower seal pad 31 between heat exchanging body 4, is set on upper gasket 51 there are two positioning column, is the respectively One positioning column 511 and the second positioning column 512, are additionally provided with several water holes 513, the quantity of water hole 513 on upper gasket 51 It can be determined on a case-by-case basis, upper gasket 51 is identical with 31 structure of lower seal pad in the present embodiment.Bolt when assembly Sequentially pass through lower water seal cover connecting seat 304, heat exchanging body mounting base 410 and upper gas sealing lid connecting seat 502, to by heat exchanging body 4, on Water seal cover 5 and lower water seal cover connect.The shape of lower water seal cover 3 is hollow disc shape, and smoke intaking hole is equipped on lower water seal cover 3 301, smoke intaking hole 301 is corresponding with the exhaust gases passes 408 of heat exchanging body 4, so that flue gas enters heat exchanging body 4.It is equipped on lower water seal cover 3 Water outlet 302 and water inlet 303, what is be connected to water outlet 302 is effluent trough 306, and what is be connected to water inlet 303 is intake chamber 307, effluent trough 306 and intake chamber 307 are all arc, are set between effluent trough 306 and intake chamber 307 there are two water fender, point Be not the first water fender of lower water seal cover 310 and lower water seal cover second stop water board 309, the two water fenders with effluent trough 306 and into 307 end face of sink.It is respectively equipped with lower envelope on the first water fender of lower water seal cover 310 and lower water seal cover second stop water board 309 Water cover first positioning hole 305 and lower water seal cover second location hole 308, assembly when under 3 first positioning hole of water seal cover, 305 He Lower water seal cover second location hole 308 coordinates with the first positioning column of lower seal pad 31 and the second positioning column respectively, realizes positioning work( Energy.After lower water seal cover 3 and heat exchanging body 4 assemble, the first water inlet water flow passage 401 and second of heat exchanging body 4 intake water flow passage 402 with The intake chamber 307 of lower water seal cover 3 corresponds to, and the second of heat exchanging body 4 the water outlet water flow passage 403 and first be discharged water flow passage 404 then with The effluent trough 306 of lower water seal cover 3 corresponds to, due to depositing for the first water fender of lower water seal cover 310 and lower water seal cover second stop water board 309 , in lower water seal cover 3 intake flow with water outlet flow it is non-interference and influence.The shape of upper gas sealing lid 5 is hollow disc shape, Venthole 501 is equipped on upper gas sealing lid 5, venthole 501 is corresponding with the exhaust gases passes 408 of heat exchanging body 4, is changed so that flue gas leaves Hot body 4.The first water-carrying groove 503 and the second water-carrying groove 504, the first water-carrying groove 503 and the second water-carrying groove are equipped on upper gas sealing lid 5 504 is arc-shaped, and upper gas sealing lid second stop water board 507 and upper envelope are equipped between the first water-carrying groove 503 and the second water-carrying groove 504 The first water fender of water cover 508 is respectively equipped in upper gas sealing lid second stop water board 507 and the first water fender of upper gas sealing lid 508 Water seal cover second location hole 506 and upper gas sealing lid first positioning hole 505, upper gas sealing lid second location hole 506 and upper gas sealing lid A positioning hole 505 coordinates with the second positioning column 402 of upper gasket 400 and the first positioning column 401, realizes positioning function.Upper After water seal cover 5 is assembled with heat exchanging body 4, the first water-carrying groove 503 of upper gas sealing lid 5 corresponds to the first water inlet water flow passage of heat exchanging body 4 401 and first are discharged water flow passage 404, and the second water-carrying groove 504 of upper gas sealing lid 5 corresponds to the second water inlet flow of heat exchanging body 4 Road 402 and second is discharged water flow passage 403.

Referring to Figure 30-32, water outlet connector 9 is identical with the structure of water supply connector 8 in the present embodiment, now with water outlet connector 9 For illustrate its structure, set on water outlet connector 9 there are three seal groove, be the first seal groove 90,92 and of the second seal groove respectively Third seal groove 94, wherein the first seal groove 90, the second seal groove 92 are arranged at the water outlet Y of connector 1, and third seal groove 94 are arranged at the water inlet end X of connector 1, and the first seal groove 90, the second seal groove 92 and third seal groove 94 are circle. It is equipped with stop flange 91 between one seal groove 90 and the second seal groove 92, connection is additionally provided at the water inlet end X of water outlet connector 9 Flange 93.Include the first flange disposed in parallel and the second flange in the second seal groove 92, it is convex in first flange and second Edge is equipped with reinforcing rib between the ontology respectively.The reinforcing rib being arranged between the first flange and water outlet connector 9 also with it is described Stop flange 11 connects, and reinforcing rib can increase the intensity of entire connector.

When water outlet connector 9 is installed, do not shown in figure with the water inlet end X of water outlet connector 9 water inlet pipes connecting.This Field technology personnel prevent from letting out at condenser Inlet and outlet water it will be appreciated that third seal groove 94 is sealed with water inlet pipe by sealing ring Leakage, and connecting flange 93 ensures that the sealing ring in third seal groove 94 begins by clamp spring or the flange screw of bolt and water inlet pipe Sealing state is kept eventually.What is connect with 1 water outlet Y of connector is the water outlet 302 of the lower water seal cover 3 of heat exchanging body 4, the first seal groove 90 seals with the water outlet 302 of lower water seal cover 3 by the first sealing ring 95, and leakage at 4 Inlet and outlet water of heat exchanging body is prevented.Second sealing Slot 98 and the shell 1 of person's condensing heat exchanger are sealed by the second sealing ring 98, prevent condensed water or flue gas from being leaked from condenser, Cause danger.The stop flange 91 is supported and by the supporting surface of the shell 1 of condensing heat exchanger in installation condition It is adjacent to 1 supporting surface of shell and lower 3 supporting surface of water seal cover, ensures the first sealing ring 95 and the second seal groove of the first seal groove 90 92 the second sealing ring 98 remains sealing state.

Referring again to Fig. 1-6, after petticoat pipe 2 is connect with shell 1, smoke chamber 11 is led under shell 1 and leads smoke chamber on petticoat pipe 4 200 correspond to.Housing seal item 6 is equipped between petticoat pipe 2 and shell 1, housing seal item 6 is arranged in petticoat pipe seal groove 33 and petticoat pipe In seal groove 23, shape is identical as the shape of petticoat pipe 2, and is substantially in "U" shaped.It is installed in the heat exchanging chamber 10 of shell 1 Have a heat exchanging body 4, the cylindrical diversion division 21 of petticoat pipe 2 is inserted among the exhaust gases passes 408 of heat exchanging body 4, the support column 24 of petticoat pipe 2 with Heat exchanging body 4 connects, and plays support and positioning function.Referring to Fig. 6, thick dashed line indicates that the flow direction of flue gas, heavy line indicate condensation in figure The flow direction of water is led in smoke chamber 11 under shell flow up first after flue gas enters condensing heat exchanger from main heat exchanger, into Enter petticoat pipe 2 on lead smoke chamber 200, since diversion division 21 can guide flue gas flow direction, flue gas that can be flowed along diversion division 21, i.e. cigarette Gas can only be flowed from the top down of condensing heat exchanger, ensure when heat exchange flue gas flow direction and condensation flow to consistent, so heat exchange The heat-transfer surface of body is just not easy to form liquid film, also just improves the heat exchange efficiency of condensing heat exchanger, after the completion of flue gas heat exchange, flue gas Enter the exhaust smoke hole of diversion division 21 from 4 bottom of heat exchanging body, condensing heat exchanger is discharged, independently arranged exhaust smoke hole increases condensation and changes The smoke extraction area of hot device.At the same time flow enters heat exchanging body 4 from water supply connector 8, (the axis side of heat exchanging body 100 upward first To) from the water inlet 303 of lower water seal cover 300 into intake chamber 307, flow divides twice in intake chamber 307, flows into heat exchange together First water inlet water flow passage 101 of body 100, another road flow into the second water inlet water flow passage 102 of heat exchanging body 100, when flow is from first When water flow passage 101 of intaking flows into the first water-carrying groove 503 of upper gas sealing lid 500, flow can flow under the limitation of the first water-carrying groove 503 Into the first water outlet water flow passage 104.It is identical, cross water when flow flows into the second of upper gas sealing lid 500 from the second water inlet water flow passage 102 When slot 504, flow can flow into the second water outlet water flow passage 103 of heat exchanging body 100 under the limitation of the second water-carrying groove 504, work as twice Flow is discharged (the axis side of heat exchanging body 100 downwards of water flow passage 103 from the first water outlet water flow passage 104 and second of heat exchanging body 100 To) flow into the effluent trough 306 of lower water seal cover 300 after, twice flow collaborates one of flow again, finally from the outflow of water outlet 302, most It is flowed out eventually from water outlet connector 9.In flow flowing and during flow of flue gas, flow and flue gas have sufficient room and time into Row heat exchange, improves heat exchange efficiency.

The technical solution of the utility model and advantageous effect is described in detail in above-mentioned specific implementation mode, Ying Li What is solved is the most preferred embodiment the foregoing is merely the utility model, is not intended to limit the utility model, all in this practicality Any modification, supplementary, and equivalent replacement etc. done in novel spirit, should be included in the protection model of the utility model Within enclosing.

Claims (10)

1. a kind of condensing gas-fired fast water heater, including main heat exchanger, wind turbine and condensing heat exchanger, the wind turbine is arranged in master On heat exchanger, the wind turbine is connect with the condensing heat exchanger, and the condensing heat exchanger includes shell, petticoat pipe and heat exchanging body, institute It is disposed in the housing to state heat exchanging body, the shell is connected with petticoat pipe, outlet flue is equipped on the petticoat pipe, in the shell It is equipped with smoke inlet, water inlet, water outlet and condensation-water drain, the smoke inlet of the shell is connect with the wind turbine, feature It is, installs water seal cover and lower water seal cover respectively in the top and bottom of the heat exchanging body, the heat exchanging body includes at least one A water inlet water flow passage, an a water outlet water flow passage and exhaust gases passes, at least provided with a water-carrying groove in the upper gas sealing lid, On the lower water seal cover be equipped with intake chamber and effluent trough, flow in the condensing heat exchanger followed by the intake chamber, Water inlet water flow passage, the water-carrying groove, the water outlet water flow passage and the effluent trough, the intake chamber and effluent trough of the lower water seal cover Equipped with inlet and outlet, what is connect with the inlet and outlet is water supply connector and water outlet connector, and the water outlet connects Head is connected to the water inlet pipe of main heat exchanger by outlet pipe, and the water supply connector is connected to the water inlet pipe of water heater.

2. water heater according to claim 1, which is characterized in that the heat exchanging body includes the first water inlet water flow passage, second Water flow passage of intaking and the first water outlet water flow passage, the second water outlet water flow passage, the upper gas sealing lid includes the first water-carrying groove and the second mistake The intake chamber of sink, the lower water seal cover corresponds to the first water inlet water flow passage and the second water inlet flow in heat exchanging body bottom The effluent trough in road, the lower water seal cover corresponds to the first water outlet water flow passage, the second water outlet water flow passage, institute in heat exchanging body bottom State upper gas sealing lid the first water-carrying groove corresponded at the top of heat exchanging body the first water inlet water flow passage and first water outlet water flow passage, it is described on Second water-carrying groove of water seal cover corresponds to the second water inlet water flow passage and the second water outlet water flow passage at the top of heat exchanging body.

3. water heater according to claim 2, feature in, the first water inlet water flow passage, the second water inlet water flow passage, First water outlet water flow passage and the second water outlet water flow passage are equipped with partition board between each other, and the partition board is flushed with the heat exchanging body both ends.

4. water heater according to claim 3, feature is between the intake chamber and effluent trough on the lower water seal cover Equipped with lower water seal cover baffle, the lower water seal cover baffle is flushed with the intake chamber and effluent trough, the upper gas sealing cover It is equipped with upper gas sealing lid baffle between one water-carrying groove and the second water-carrying groove, the upper gas sealing lid baffle and first water-carrying groove and the Two water-carrying grooves flush.

5. water heater according to claim 4, which is characterized in that there are three being all provided in the water supply connector and water outlet connector Seal groove, three seal grooves are set gradually along water (flow) direction, are all provided between water inlet end or two seal grooves of water outlet There is stop flange.

6. water heater according to claim 5, feature is in, the first water inlet water flow passage, the second water inlet water flow passage, the One water outlet water flow passage and the second water outlet water flow passage setting are between the exhaust gases passes and heat exchange phosphor bodies, in the exhaust gases passes Side is equipped with interior heat exchanger fin.

7. water heater according to any claim from 1 to 6, feature in the shell in being formed with down and lead cigarette Chamber and heat exchanging chamber, smoke chamber is led under the shell and heat exchanging chamber is arranged side by side, and is formed in the petticoat pipe and is led smoke chamber and setting It is upper lead smoke chamber in diversion division, the diversion division is equipped with exhaust smoke hole, it is described on lead smoke chamber with it is described under corresponding, the institute that leads smoke chamber It states heat exchanging body to be arranged in the heat exchanging chamber, the heat exchanging body is equipped with exhaust gases passes, changes described in the diversion division setting of the petticoat pipe In the exhaust gases passes of hot body.

8. water heater according to claim 7, feature in, a point cigarette muscle is provided in the shell, it is described to divide cigarette muscle By the shell be divided into the heat exchanging chamber and under lead smoke chamber.

9. water heater according to claim 8, feature in, the petticoat pipe and shell by fire-retardant and heatproof plastics or its Modified material is made, and the petticoat pipe is integrally formed with the diversion division and either rivets or be clamped.

10. water heater according to claim 9, which is characterized in that under being equipped between the lower water seal cover and heat exchanging body Gasket is equipped with upper gasket between the upper gas sealing lid and heat exchanging body, is equipped with gasket between the shell and petticoat pipe, Positioning device is equipped between the lower water seal cover and the lower seal pad, between the upper gas sealing lid and the upper gasket Equipped with positioning device.