CN208205427U - The condensing boiler that condensate water circulatory uses - Google Patents

Abstract

The utility model relates to a kind of condensing boilers that condensate water circulatory uses, it include: boiler body, combustion chamber, heat-exchanger rig and condensation circulating device, the boiler body side wall pipeline is connected with water inlet, water outlet and the exhanst gas outlet for being set to the boiler body top；The combustor side is equipped with burner；Heat-exchanger rig is uniformly provided with multiple groups fume pipe in flue gas flow guide sleeve including flue gas flow guide sleeve, air conducting set and the heat exchanger for being sheathed on the separate burner one end outer surface of air conducting set being socketed on outside the combustion chamber far from burner side；Condensation circulating device, including connecting the condensing unit being arranged and one end piping connection with fume pipe described in multiple groups in the condensing unit bottom end other end piping connection in the water storage box of the water inlet.The condensing boiler that a kind of condensate water circulatory disclosed by the utility model uses has the characteristics that high efficient heat exchanging, energy-saving effect be good, condensed water can be recycled.

Description

The condensing boiler that condensate water circulatory uses

Technical field

The utility model relates to boiler technology fields, and in particular to a kind of condensing boiler that condensate water circulatory uses.

Background technique

Condensing boiler is exactly aobvious in the high-temperature flue gas for absorb boiler discharge using efficient waste heat of condensation recyclable device Heat and the latent heat that is discharged of Water vapor condensation, with reach improve boiler thermal efficiency, in overall reduction flue gas pollutant discharge.It is cold The key of solidifying boiler is condensation technology, is a kind of novel energy-conserving, environmental protection technology, by mentioning to the thermal energy in recovered flue gas The purpose of high boiler efficiency.

And traditional condensing boiler energy-saving effect, heat transfer effect are all poor, condensed water can not carry out being recycled and pot Furnace service life is short, and security and stability is poor.

Utility model content

The technical problem to be solved by the present invention is to overcome energy-saving effect in the prior art, heat transfer effect difference and The defects of condensed water can not be recycled.

For this purpose, a kind of condensing boiler that condensate water circulatory uses of technical solution used, comprising:

Boiler body, the boiler body interior side are radially embedded with baffle, the boiler body side wall pipeline connection There are water inlet, water outlet and the exhanst gas outlet for being set to the boiler body top；

Combustion chamber, the combustion chamber bottom end is equipped with bracket, and the bracket is connected to far from combustion chamber top side Boiler body bottom end inner wall, and the combustor side outer end is coaxially provided with fuel gas conduit, and described fuel gas conduit one end connects Equipped with burner, and the burner is set on the boiler body lateral wall；

Heat-exchanger rig, including be socketed be set to flue gas flow guide sleeve outside the combustion chamber far from the burner side, The combustion chamber is set to far from flue gas flow guide sleeve side and one end be connected to the burner other end be connected to it is described The air conducting of combustion chamber covers and is sheathed on the heat exchanger of air conducting set principle burner one end outer surface, the cigarette Multiple groups fume pipe is uniformly provided in gas flow guide sleeve, and air conducting set top is equipped with air intlet；

Condensation circulating device is set to the baffle far from the combustor side, including connects with fume pipe described in multiple groups Connect setting condensing unit and one end piping connection in the condensing unit bottom end other end piping connection in the water inlet Water storage box, and the water storage box piping connection is set to the condensing unit bottom end.

For the ease of flue gas discharge and the condensed water in chimney is directly collected by chimney catch basin, preferred technical side Case is that the condensing boiler that the condensate water circulatory uses further includes flue gas discharger, including drawing on the outside of the boiler body It blower, the chimney being connected with the air-introduced machine smoke outlet and is fixedly installed on above the air-introduced machine and around being set to institute State the catch basin of chimney.

For the ease of condensed water in flue gas collection and prevent condensed water from dripping at it, preferred technical solution is, described Catch basin is funnel-shaped, and top is equipped with opening, is equipped with the first through hole isometrical with the chimney among bottom end.

In order to which the condensed water in catch basin to be effectively treated, preferred technical solution is that the trench bottom that catchments is remote It is equipped with the second through-hole from the first through hole side, second through-hole is connected to drainpipe one end, and the drainpipe is another End is connected to the water inlet.

So that fuel is burnt at low temperatures in order to improve the heat transfer effect of heat exchanger, reduces oxynitrides Discharge amount, preferred technical solution are that the heat exchanger includes shell, and the shell is hollow tube-shape, including outer cylinder and inner cylinder, The outer tube inner wall and inner tank theca form cavity, are equipped with cooling fin in the cavity.

In order to expand heat dissipation area, heat dissipation effect is improved, preferred technical solution is that the cooling fin section is rectangular wave Shape structure, including multiple wave crests and trough, and each wave crest, trough are set as flow-guiding channel, the flow-guiding channel It is wavy for S-shaped.

For the ease of fin collar to be disposed in the housing, preferred technical solution is that the cooling fin two sides are all provided with There is flanging, wherein a flanging has been evenly arranged multiple card slots, another flanging is uniformly provided with the buckle of multiple protrusions, and The card slot, the mating setting of buckle.

In another embodiment, the consumption of fuel is reduced in order to improve indoor efficiency of combustion of burning, the flue gas is led Stream set upper surface is equipped with oxygen supply pipeline, and the oxygen supply pipeline top is equipped with oxygen inlet, connects far from described oxygen inlet one end Be connected to oxygen supplying chamber, the oxygen supplying chamber is set to the combustion chamber inner cavity, the oxygen supply pipeline close to described oxygen inlet one end according to Secondary to be connected with pressure reducing valve, the pressure reducing valve is connected through a screw thread and the oxygen supply pipeline.

In order to prevent flare from avoiding explosive incident toward reflux in air supply channel, security performance, preferred technical side are improved Case is that the oxygen supply pipeline pipeline has been bolted flame-retardant device, and the flame-retardant device includes valve body, fire-proof plate, and the fire-proof plate is embedding Set on the valve body symmetrical centre.

Preferably, the condensing boiler that the condensate water circulatory uses further includes the base for being set to the boiler body bottom end Seat, the pedestal is bolted to connection in ground, and the water storage box is fixed on the pedestal side.

Technical solutions of the utility model have the advantages that

1. the condensing boiler that a kind of condensate water circulatory provided by the utility model uses, equipped with condensed water circulation device, is changed Thermal, the heat-exchanger rig indoor full combustion of fuel that makes to burn reduces the consumption of fuel, while having energy-saving effect；Separately will Condensed water after condensation process is collected and is delivered to water inlet, and energy-saving effect is good, is good for the environment.

2. the condensing boiler that a kind of condensate water circulatory provided by the utility model uses, chimney top is equipped with catch basin, just In flue gas discharge and the condensed water in chimney is directly collected by chimney catch basin.

3. the condensing boiler that a kind of condensate water circulatory provided by the utility model uses, heat exchanger fin is rectangle wavy texture, Equipped with multiple flow-guiding channels, heat dissipation area is expanded, improves heat transfer effect, fuel is made to burn at low temperatures, Reduce the discharge amount of oxynitrides.

4. the condensing boiler that a kind of condensate water circulatory provided by the utility model uses, using oxygen supply pipeline in combustion chamber Oxy combustion is carried out, improving indoor efficiency of combustion of burning reduces the consumption of fuel.

5. the condensing boiler that a kind of condensate water circulatory provided by the utility model uses, oxygen supply pipeline is equipped with flame-retardant device, It can effectively prevent flare from avoiding explosive incident toward reflux in air supply channel, improve security performance.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the first embodiment overall structure diagram of the utility model；

Fig. 2 is the top view of catch basin in Fig. 1；

Fig. 3 is the structural schematic diagram of heat exchanger in Fig. 1；

Fig. 4 is cooling fin overall structure diagram in Fig. 3；

Fig. 5 is cooling fin sectional view in Fig. 4；

Fig. 6 is cooling fin top view in Fig. 3；

Fig. 7 is second of embodiment overall structure diagram of the utility model；

Fig. 8 is the structural schematic diagram of flame-retardant device in Fig. 7.

In figure: 1. boiler bodies；2. combustion chamber；3. burner；4. heat-exchanger rig；5. condensed water circulation device；6. fire-retardant Device；7. flue gas discharger；8. pedestal；1-1. baffle；1-2. water inlet；1-3. water outlet；1-4. exhanst gas outlet；4-1. cigarette Gas flow guide sleeve；4-2. air conducting set；4-3. heat exchanger；4-4. fume pipe；4-5. oxygen supply pipeline；4-6. oxygen inlet；4-7. Oxygen supplying chamber；4-8. pressure reducing valve；4-31. shell；4-32. cooling fin；4-311. outer cylinder；4-312. inner cylinder；4-321. flow-guiding channel； 4-322. flanging；4-323. card slot；4-324. buckle；5-1. condensing unit；5-2. water storage box；6-1. valve body；6-2. fire-proof plate； 7-1. air-introduced machine；7-2. chimney；7-3. catch basin；7-31. opening；7-32. first through hole；7-33. the second through-hole；7-34. row Water pipe；8-1. bolt.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and It cannot be understood as indicating or implying relative importance.In addition, involved in the utility model different embodiments disclosed below Technical characteristic can be combined with each other as long as they do not conflict with each other.

Embodiment

As shown in Figure 1, the utility model provides a kind of condensing boiler that condensate water circulatory uses, comprising:

Boiler body 1,1 interior side of boiler body are radially embedded with baffle 1-1, the 1 side wall pipe of boiler body Road is connected with water inlet 1-2, water outlet 1-3 and is set to the exhanst gas outlet 1-4 on 1 top of boiler body；

Combustion chamber 2,2 bottom end of combustion chamber is equipped with bracket, and the bracket connects far from the 2 top side of combustion chamber It is connected to boiler body bottom end inner wall, the 2 side outer end of combustion chamber is coaxially provided with fuel gas conduit, and described fuel gas conduit one end connects It is equipped with burner 3, and the burner 3 is set on 1 lateral wall of boiler body；

Heat-exchanger rig 4 is set to the flue gas water conservancy diversion of 3 side of burner described in the 2 outside principle of combustion chamber including being socketed 4-1 is covered, is set to the combustion chamber 2 far from the side flue gas flow guide sleeve 4-1 and one end is connected to 3 other end of burner Be connected to the air conducting set 4-2 of the combustion chamber 2 and be sheathed on air conducting set 4-2 far from 3 one end of burner outside It is uniformly provided with multiple groups fume pipe 4-4 in the heat exchanger 4-3, the flue gas flow guide sleeve 4-1 on surface, and is provided with combustion in burner 3 Tracheae, the fuel gas conduit are coaxially socketed on the fuel gas conduit inside the air conducting set 4-2, and the air conducting set 4-2 is separate 3 one end of burner extends on the outside of fuel gas conduit, and the air conducting set 4-2 extends to described 3 one end of burner and is equipped with air intlet, The fuel gas conduit extends to described 3 one end of burner and is provided with fuel gas inlet；

Condensation circulating device 5 is set to the baffle 1-1 far from 2 side of combustion chamber, including with flue gas described in multiple groups The condensing unit 5-1 and one end piping connection of pipe 4-4 connection setting are in the bottom end condensing unit 5-1 other end piping connection In the water storage box 5-2 of the water inlet 1-2, and the water storage box 5-2 piping connection is set to the bottom end the condensing unit 5-1.

The condensing boiler working principle that above-mentioned condensate water circulatory uses is as follows:

Combustion gas is entered into nozzle by the fuel gas conduit being set in burner 3, while passing through air conducting set for air It is passed through to spray head, and burning generates a large amount of flue gas in combustion chamber 2, flue gas is collected simultaneously by flue gas flow guide sleeve 4-1 Be delivered to condensing unit 5-1 by multiple groups fume pipe 4-4, the sensible heat in high-temperature flue gas of the condensing unit 5-1 to absorb discharge and The latent heat that water recovery is discharged, the condensation flow after condensation process sufficiently recycle condensed water into water storage box 5-2；Separately The one end water storage box 5-2 is connected to water inlet 1-2, is conducive to for condensed condensed water being fed again into boiler body 1, realizes Energy conservation and environmental protection.Wherein burning indoor fuel gas is divided into two stages burning, and the first stage is that combustion gas passes through the combustion that is set in burner 3 Tracheae enters nozzle, and the first anoxycausis in combustion chamber 2 of combustion gas at this time reduces the indoor burning velocity of burning and temperature, The generation of nitrogen oxides is also reduced while the combustion process that has been delayed；Second stage, with air conducting set 4-2 conveying Air be gradually delivered to combustion chamber, mix air in combustion chamber 2 with combustion gas and full combustion in the combustion chamber, improve The utilization rate of fuel.

For the ease of flue gas discharge and the condensed water in chimney is directly collected by chimney catch basin, preferred technical side Case is that the condensing boiler that the condensate water circulatory uses further includes flue gas discharger 7, including 1 outside of boiler body It air-introduced machine 7-1, the chimney 7-2 being connected with the air-introduced machine 7-1 smoke outlet and is fixedly installed on above the air-introduced machine 7-1 And it is used for logical by what is separated after condensation process around the catch basin 7-3, the air-introduced machine 7-1 for being set to the chimney 7-2 Chimney 7-2 discharge is crossed, condensed water entrained in flue gas is collected by catch basin 7-3.

As shown in Fig. 2, for the ease of condensed water in flue gas collection and prevent condensed water from dripping at it, preferred technical side Case is that the catch basin 7-3 is funnel-shaped, and top is equipped with opening 7-31, and the isometrical with the chimney 7-2 is equipped among bottom end One through-hole 7-32.

In order to which the condensed water in catch basin to be effectively treated, preferred technical solution is the bottom the catch basin 7-3 The second through-hole 7-33, the second through-hole 7-33, which is equipped with, far from the side the first through hole 7-32 is connected to drainpipe 7-34 mono- End, and the drainpipe 7-34 other end is connected to the water inlet 1-2.

As shown in figure 3, making fuel burn at low temperatures to improve the heat transfer effect of heat exchanger, nitrogen is reduced The discharge amount of oxygen compound, preferred technical solution are that the heat exchanger 4-3 includes shell 4-31, during the shell 4-31 is Empty tube shape, including outer cylinder 4-311 and inner cylinder 4-312, the outer cylinder 4-311 inner wall and inner cylinder 4-312 outer wall form cavity, described Cooling fin 4-32 is equipped in cavity.

As shown in Figure 4, Figure 5, in order to expand heat dissipation area, heat dissipation effect is improved, preferred technical solution is the heat dissipation The section piece 4-32 is rectangle wavy texture, including multiple wave crests and trough, and each wave crest, trough are set as water conservancy diversion Channel 4-321, the flow-guiding channel 4-321 are that S-shaped is wavy.Wherein the section cooling fin 4-32 is rectangle wavy texture, is increased Heat dissipation area, improves heat transfer effect.

As shown in fig. 6, preferred technical solution is the heat dissipation for the ease of fin collar to be disposed in the housing The two sides piece 4-32 are equipped with flanging 4-322, wherein a flanging 4-322 has been evenly arranged multiple card slot 4-323, it is another described Flanging 4-322 is uniformly provided with the buckle 4-324 of multiple protrusions, and the card slot 4-323, the buckle mating setting of 4-324.Pass through Card slot 4-323, the mating setting for buckling 4-324, are set in the cavity formed between outer cylinder, inner cylinder conducive to by cooling fin.

As shown in fig. 7, in another embodiment, the consumption of fuel is reduced in order to improve indoor efficiency of combustion of burning, Preferred technical solution is that 2 upper surface of combustion chamber is equipped with oxygen supply pipeline 4-5, and the top the oxygen supply pipeline 4-5 is equipped with oxygen Gas import 4-6 is connected with oxygen supplying chamber 4-7 far from the one end the oxygen inlet 4-6, and the oxygen supplying chamber 4-7 is set to the burning 2 inner cavity of room, the oxygen supply pipeline 4-5 are connected with pressure reducing valve 4-8, the pressure reducing valve in turn close to the one end the oxygen inlet 4-6 4-8 is connected through a screw thread and the oxygen supply pipeline 4-5.

As shown in figure 8, security performance is improved in order to prevent flare from avoiding explosive incident toward reflux in air supply channel, it is excellent The technical solution of choosing is that the oxygen supply pipeline 4-5 pipeline has been bolted flame-retardant device 6, and the flame-retardant device 6 includes valve body 6-1, resistance Fiery plate 6-2, the fire-proof plate 6-2 are embedded at the valve body 6-1 symmetrical centre.

Preferably, the condensing boiler that the condensate water circulatory uses further includes the base for being set to 1 bottom end of boiler body Seat 8, the pedestal 8 is fixedly connected on ground by bolt 8-1, and the water storage box 5-2 is fixed on 8 side of pedestal.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (10)

1. a kind of condensing boiler that condensate water circulatory uses characterized by comprising

Boiler body (1), boiler body (1) interior side are radially embedded with baffle (1-1), boiler body (1) side Wall pipeline is connected with water inlet (1-2), water outlet (1-3) and the exhanst gas outlet (1- for being set to the boiler body (1) top 4)；

Combustion chamber (2), combustion chamber (2) bottom end is equipped with bracket, and the bracket connects far from the combustion chamber (2) top side It is connected to the boiler body (1) bottom end inner wall, combustion chamber (2) the side outer end is coaxially provided with fuel gas conduit, and the fuel gas conduit One end is connected with burner (3), and the burner (3) is set on the boiler body (1) lateral wall；

Heat-exchanger rig (4) is set to the external flue gas far from the burner (3) side in the combustion chamber (2) including socket and leads Stream covers (4-1), is set to the combustion chamber (2) far from described flue gas flow guide sleeve side (4-1) and one end is connected to the burning Device (3) other end is connected to the air conducting set (4-2) of the combustion chamber (2) and is sheathed on the air conducting set (4-2) Heat exchanger (4-3) far from burner (3) one end outer surface, the flue gas flow guide sleeve (4-1) is interior to be uniformly provided with multiple groups fume pipe (4-4)；

Condensation circulating device (5) is set to the baffle (1-1) far from the combustion chamber (2) side, including with cigarette described in multiple groups The condensing unit (5-1) and one end piping connection of tracheae (4-4) connection setting are another in the bottom end the condensing unit (5-1) End pipe road is connected to the water storage box (5-2) of the water inlet (1-2), and the water storage box (5-2) piping connection be set to it is described The bottom end condensing unit (5-1).

2. the condensing boiler that a kind of condensate water circulatory according to claim 1 uses, which is characterized in that further include flue gas row Device (7) out, including on the outside of the boiler body (1) air-introduced machine (7-1), be connected with the air-introduced machine (7-1) smoke outlet Chimney (7-2) and be fixedly installed on above the air-introduced machine (7-1) and around the catch basin for being set to the chimney (7-2) (7-3)。

3. the condensing boiler that a kind of condensate water circulatory according to claim 2 uses, which is characterized in that the catch basin (7-3) is funnel-shaped, and top is equipped with opening (7-31), is equipped with the first through hole (7- isometrical with the chimney (7-2) among bottom end 32)。

4. the condensing boiler that a kind of condensate water circulatory according to claim 3 uses, which is characterized in that the catch basin The bottom (7-3) is equipped with the second through-hole (7-33) far from the first through hole side (7-32), the second through-hole (7-33) connection In the one end drainpipe (7-34), and the drainpipe (7-34) other end is connected to the water inlet (1-2).

5. the condensing boiler that a kind of condensate water circulatory according to claim 1 uses, which is characterized in that the heat exchanger (4-3) includes shell (4-31), and the shell (4-31) is hollow tube-shape, including outer cylinder (4-311) and inner cylinder (4-312), institute It states outer cylinder (4-311) inner wall and inner cylinder (4-312) outer wall forms cavity, be equipped with cooling fin (4-32) in the cavity.

6. the condensing boiler that a kind of condensate water circulatory according to claim 5 uses, which is characterized in that the cooling fin The section (4-32) is rectangle wavy texture, including multiple wave crests and trough, and each wave crest, trough are set as water conservancy diversion Channel (4-321), the flow-guiding channel (4-321) are that S-shaped is wavy.

7. the condensing boiler that a kind of condensate water circulatory according to claim 5 uses, which is characterized in that the cooling fin The two sides (4-32) are equipped with flanging (4-322), wherein a flanging (4-322) has been evenly arranged multiple card slots (4-323), separately One flanging (4-322) is uniformly provided with the buckle (4-324) of multiple protrusions, and the card slot (4-323), buckle (4-324) Mating setting.

8. the condensing boiler that a kind of condensate water circulatory according to claim 1 uses, which is characterized in that the combustion chamber (2) upper surface is equipped with oxygen supply pipeline (4-5), and the oxygen supply pipeline top (4-5) is equipped with oxygen inlet (4-6), far from described The one end oxygen inlet (4-6) is connected with oxygen supplying chamber (4-7), and the oxygen supplying chamber (4-7) is set to the combustion chamber (2) inner cavity, institute It states oxygen supply pipeline (4-5) to be connected in turn pressure reducing valve (4-8) close to the one end the oxygen inlet (4-6), the pressure reducing valve (4-8) It is connected through a screw thread and the oxygen supply pipeline (4-5).

9. the condensing boiler that a kind of condensate water circulatory according to claim 8 uses, which is characterized in that the oxygen supply pipeline (4-5) pipeline has been bolted flame-retardant device (6), and the flame-retardant device (6) includes valve body (6-1), fire-proof plate (6-2), the back-fire relief Plate (6-2) is embedded at the valve body (6-1) symmetrical centre.

10. the condensing boiler that a kind of condensate water circulatory according to claim 1 uses, which is characterized in that further include setting Pedestal (8) in the boiler body (1) bottom end, the pedestal (8) are fixedly connected on ground by bolt (8-1), and described Water storage box (5-2) is fixed on the pedestal (8) side.