CN208720256U - Condensing boiler flue gas cooling device - Google Patents

Condensing boiler flue gas cooling device Download PDF

Info

Publication number
CN208720256U
CN208720256U CN201821210444.8U CN201821210444U CN208720256U CN 208720256 U CN208720256 U CN 208720256U CN 201821210444 U CN201821210444 U CN 201821210444U CN 208720256 U CN208720256 U CN 208720256U
Authority
CN
China
Prior art keywords
flue gas
cooling
condensing boiler
gas
chamber
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.)
Active
Application number
CN201821210444.8U
Other languages
Chinese (zh)
Inventor
叶国领
叶青
武怡旻
张希军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Langfang Jinhua Boiler Co Ltd
Original Assignee
Langfang Jinhua Boiler Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Langfang Jinhua Boiler Co Ltd filed Critical Langfang Jinhua Boiler Co Ltd
Application granted granted Critical
Publication of CN208720256U publication Critical patent/CN208720256U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H8/00Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chimneys And Flues (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model provides a kind of condensing boiler flue gas cooling device, belongs to boiler technology field.Including flue gas cooling chamber and the cooling tube group that is fixed on the inside of flue gas cooling chamber and is connected to chilled(cooling) water supply (CWS) component, flue gas cooling chamber is equipped with the exhanst gas outlet being connected to the gas inlet of combustion chamber and flue, the water outlet port of gas inlet and cooling tube group is located at the same end, and exhanst gas outlet and the water inlet port of cooling tube group are located at the other end.Condensing boiler flue gas cooling device structure provided by the utility model is simple, and cooling efficiency is high.

Description

Condensing boiler flue gas cooling device
Technical field
The utility model belongs to boiler technology field, is to be related to a kind of condensing boiler flue gas cooling device more specifically.
Background technique
Boiler is a kind of energy conversion, by combustor burns fuel, high-temperature flue gas after burning through combustion chamber into Enter flue gas cooling chamber to carry out cooling and convert thermal energy for the chemical energy etc. in fuel, the thermal energy of fuel release is inhaled by cooling water It receives, shows as steam or high-temperature water that boiler output has certain thermal energy, meanwhile, the high-temperature flue gas generated after fuel combustion is through filling It is discharged after dividing cooling by smoke pipeline.Condensing boiler is in addition to that can absorb the sensible heat after fuel combustion in high-temperature flue gas, moreover it is possible to absorb The thermal efficiency of the latent heat of vaporization that water recovery is discharged in high-temperature flue gas, condensing boiler is high.The flue gas of existing condensing boiler is cold But device includes energy-saving appliance and condenser, and structure is complicated and cooling efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of condensing boiler flue gas cooling devices, it is intended to solve existing condensing boiler Flue gas cooling device structure is complicated, the low problem of cooling efficiency.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of cooling dress of condensing boiler flue gas It sets, including flue gas cooling chamber and the cooling tube group that is fixed on the inside of flue gas cooling chamber and is connected to chilled(cooling) water supply (CWS) component, cigarette Air cooling room is equipped with the exhanst gas outlet being connected to the gas inlet of combustion chamber and flue, gas inlet and cooling tube group Water outlet port be located at the same end, the water inlet port of exhanst gas outlet and cooling tube group is located at the other end.
Further, cooling tube group includes cooling water pipes of several dislocation arrangements, and each cooling water pipe is and cooling water Provisioning component connection.
Further, heat exchange fin is equipped on the outer wall of each cooling water pipe.
Further, heat exchange fin is less than the length value of cooling water pipe along the distribution length value of cooling water pipe axial direction.
Further, cooling tube group runs through flue gas cooling chamber along the vertical direction, and gas inlet is set to the top of flue gas cooling chamber Portion, exhanst gas outlet are set to the bottom of flue gas cooling chamber.
Further, chilled(cooling) water supply (CWS) component includes the shell being disposed around on the outside of flue gas cooling chamber, flue gas cooling chamber it is outer Wall and shell enclose the cooling jacket being set as accommodating cooling water, and cooling tube group is connected to cooling jacket, and shell is equipped with difference Through-hole corresponding with gas inlet and exhanst gas outlet, the bottom of shell are equipped with cooling water inlet, and the top of shell is equipped with cooling Water out.
Further, the inside of flue gas cooling chamber is fixed at least one and ties for being separated to form to turn at least one level The flue gas baffle plate of the continuous exhaust gases passes of structure, cooling tube group are threaded through on flue gas baffle plate.
Further, several flue gas baffle plates are arranged in parallel, and adjacent flue gas baffle plate is alternately fixed on flue gas On two opposite side walls of cooling chamber, the inlet of exhaust gases passes is arranged in gas inlet, and exhanst gas outlet setting is logical in flue gas The exit in road.
Further, the quantity of flue gas baffle plate is three, and three flue gas baffle plates are spaced setting, the top from top to bottom Fixing end, gas inlet and the exhanst gas outlet of flue gas baffle plate be located at the same side of flue gas cooling chamber.
Further, it is cooling to offer first be connected to cooling jacket for the fixing end of at least flue gas baffle plate of the top Sink, the development length value of the first cooling trough in the horizontal direction are more than or equal to the development length value of gas inlet in the horizontal direction And it is less than or equal to the length value of flue gas baffle plate.
The beneficial effect of condensing boiler flue gas cooling device provided by the utility model is: compared with prior art, this Utility model provides a flue gas cooling chamber for high-temperature flue gas circulation, and flue gas is while flue gas cooling indoor moveable and cooling Pipe group occurs heat exchange and realizes cooling, since the water outlet of gas inlet and cooling tube group is located at one end of flue gas cooling chamber, and Exhanst gas outlet and the water inlet of cooling tube the group other end that be located at flue gas cooling chamber opposite, it is, high-temperature flue gas and high temperature Cooling water heat exchange, and the cooling water of low-temperature flue gas and low temperature exchanges heat, the counterflow heat exchange of flue gas and cooling water can optimize flue gas Cooling effect, structure is simple, and cooling efficiency is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of condensing boiler flue gas cooling device provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram for the condensing boiler flue gas cooling device that another embodiment of the utility model provides;
Fig. 3 is the structural schematic diagram for the condensing boiler flue gas cooling device that the utility model another embodiment provides;
Fig. 4 is the distributed architecture schematic diagram of cooling tube group in Fig. 1, Fig. 2 and Fig. 3.
In figure: 1, flue gas cooling chamber;11, gas inlet;12, exhanst gas outlet;13, condensation-water drain;2, cooling tube group; 21, cooling water pipe;22, heat exchange fin;3, shell;31, cooling water inlet;32, cooling water outlet;4, cooling jacket;41, first Cooling trough;411, turn cigarette plate;412, side plate;5, flue gas baffle plate.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.
Referring to Fig. 1, existing be illustrated condensing boiler flue gas cooling device provided by the utility model.Condensing boiler cigarette Air cooling device including flue gas cooling chamber 1 and is fixed on the inside of flue gas cooling chamber 1 and is connected to chilled(cooling) water supply (CWS) component cold But pipe group 2, flue gas cooling chamber 1 are equipped with the exhanst gas outlet 12 being connected to the gas inlet 11 and flue of combustion chamber, cigarette The water outlet port of gas import 11 and cooling tube group 2 is located at the same end, and exhanst gas outlet 12 and the water inlet port of cooling tube group 2 are located at separately One end.
Compared with prior art, the utility model provides a flue gas cooling chamber 1 for high-temperature flue gas circulation, and flue gas is in cigarette Heat exchange realization occurs with cooling tube group 2 while flowing in air cooling room 1 to cool down, due to gas inlet 11 and cooling tube group 2 Water outlet be located at one end of flue gas cooling chamber 1, and exhanst gas outlet 12 and the water inlet of cooling tube group 2 are located at flue gas cooling chamber 1 The opposite other end, it is, the cooling water of high-temperature flue gas and high temperature exchanges heat, and the cooling water of low-temperature flue gas and low temperature is changed The counterflow heat exchange of heat, flue gas and cooling water can optimize the cooling effect of flue gas, and structure is simple, and cooling efficiency is high.
Further, referring to Fig. 4, as condensing boiler flue gas cooling device provided by the embodiment of the utility model one Kind of specific embodiment, cooling tube group 2 include cooling water pipes 21 of several dislocation arrangements, each cooling water pipe 21 with cooling The connection of water provisioning component.Cooling water flows into inside cooling water pipe 21 from one end of several cooling water pipes 21, flows through cooling water pipe It is flowed out after 21 from the other end of cooling water pipe 21, the dislocation arrangement of cooling water pipe 21 guarantees that cooling water pipe 21 can sufficiently disturb high temperature Flue gas is simultaneously cooled down;Preferably, each cooling water pipe 21 is arranged in parallel, and cooling water pipe 21 is set by column or arrangement, and adjacent two Adjacent two cooling water pipe 21 in column or two rows is not overlapped along flow of flue gas direction, and in adjacent two column or two rows The spacing of adjacent two cooling water pipe 21 be less than the caliber of cooling water pipe 21, for example, on Fig. 3, adjacent two column it is adjacent Two cooling water pipes 21 circle center line connecting and horizontal line be arranged in angle, guarantee cooling water pipe 21 can sufficiently disturb flue gas and go forward side by side Row cooling.
Further, Fig. 1 and Fig. 2 are please referred to, as the cooling dress of condensing boiler flue gas provided by the embodiment of the utility model A kind of specific embodiment set is equipped with heat exchange fin 22 on the outer wall of each cooling water pipe 21.For increase high-temperature flue gas with Heat exchange fin 22 is arranged in the heat exchange contact area of cooling water pipe 21 on the outer wall of cooling water pipe 21, and heat exchange fin 22 is along cooling The length direction of water pipe 21 is distributed, and the shape of heat exchange fin 22 can be circle or rectangular, is selected according to actual needs.
Further, Fig. 1 and Fig. 2 are please referred to, as the cooling dress of condensing boiler flue gas provided by the embodiment of the utility model A kind of specific embodiment set, heat exchange fin 22 are less than cooling water pipe 21 along the distribution length value of 21 axial direction of cooling water pipe Length value.It is considered that flue-gas temperature is still higher in the leading portion of cooling stroke in flue gas cooling chamber 1, heat exchange fin 22 is not set On the outer wall for setting the water outlet of cooling water pipe 21, it is preferable that heat exchange fin 22 is not arranged in the first backhaul region, similarly, the Heat exchange fin 22 can also be not provided in two return region.
Further, Fig. 1, Fig. 2 and Fig. 3 are please referred to, it is cold as condensing boiler flue gas provided by the embodiment of the utility model But a kind of specific embodiment of device, cooling tube group 2 run through flue gas cooling chamber 1 along the vertical direction, and gas inlet 11 is set to cigarette The top of air cooling room 1, exhanst gas outlet 12 are set to the bottom of flue gas cooling chamber 1.The fixed angle of cooling tube group 2 can be according to reality It needs to be configured, such as the laterally setting of cooling tube group 2, cooling water lateral flow, then gas inlet 11 and exhanst gas outlet 12 It is also required to that the left and right sides of flue gas cooling chamber 1 is arranged in, as long as guaranteeing gas inlet 11 and water outlet in the same side, and flue gas goes out Mouth 12 and water inlet end are in the opposite other side;Optionally, cooling tube group 2 is fixed on flue gas cooling chamber vertically in the present embodiment In 1, and run through flue gas cooling chamber 1, the top of flue gas cooling chamber 1, cooling tube group 2 and chilled(cooling) water supply (CWS) is arranged in gas inlet 11 Component connection, when high-temperature flue gas is downwardly into flue gas cooling chamber 1 from gas inlet 11, cooling water in cooling tube group 2 by Heat absorption heat, temperature increase, and cooling water density becomes smaller, and voluntarily flow up, in this way, chilled(cooling) water supply (CWS) component can be not provided with Power device can be achieved with cooling water and flow up and exchange heat with flue gas adverse current, and certainly, chilled(cooling) water supply (CWS) component also can be set Pressurize Power Component, supplement heat rejecter water pressurized flow, and the present embodiment is not limited;Cooling tube group 2 runs through cigarette along the vertical direction Air cooling room 1 can be the top plate and bottom plate for directly running through flue gas cooling chamber 1 through structure, can also wear flue gas by aqueduct The top and bottom of 1 side wall of cooling chamber, can also be the above-mentioned combination through mode, and the present embodiment is not limited.
Further, Fig. 2 and Fig. 3 are please referred to, as the cooling dress of condensing boiler flue gas provided by the embodiment of the utility model A kind of specific embodiment set, chilled(cooling) water supply (CWS) component include the shell 3 for being disposed around 1 outside of flue gas cooling chamber, and flue gas is cooling The outer wall and shell 3 of room 1 enclose the cooling jacket 4 being set as accommodating cooling water, and cooling tube group 2 is connected to cooling jacket 4, shell 3 are equipped with through-hole corresponding with gas inlet 11 and exhanst gas outlet 12 respectively, and the bottom of shell 3 is equipped with cooling water inlet 31, The top of shell 3 is equipped with cooling water outlet 32.For the cooling effect for optimizing flue gas, shell is set in the periphery of flue gas cooling chamber 1 3, the accommodating chamber between shell 3 and flue gas cooling chamber 1 constitutes the cooling jacket 4 for accommodating cooling water, cooling of the cooling water from bottom Water inlet 31 enter cooling jacket 4, a part of cooling water enter cooling tube group 2 and the inside of flue gas cooling chamber 1 to flue gas into Row adverse current cooling heat transferring, a part are stayed in cooling jacket 4 and are flowed up, by the outer wall heat exchange with flue gas cooling chamber 1 into Row flue gas is cooling, realizes more optimized cooling effect.
For guarantee flue gas cooling chamber 1 can sufficiently be wrapped up by cooling water, it is preferable that make cooling water inlet 31 height be less than etc. In the height of the bottom plate of flue gas cooling chamber 1, the height of cooling water outlet 32 is more than or equal to the height of the top plate of flue gas cooling chamber 1, In this way, the roof and floor of cooling water and side wall can optimize cooling effect with cooling water contact heat-exchanging;Cooling water outlet 32 can develop For with the cooling jacket communication port that is disposed around on the outside of combustion chamber, guarantee to be filled with cooling between combustion chamber and flue gas cooling chamber 1 Water, guarantees combustion chamber and flue gas cooling chamber 1 is wetting back-type design, optimizes cooling effect.
Further, referring to Fig. 2, as condensing boiler flue gas cooling device provided by the embodiment of the utility model one Kind specific embodiment, the inside of flue gas cooling chamber 1 are fixed at least one and tie for being separated to form to turn at least one level The flue gas baffle plate 5 of the continuous exhaust gases passes of structure, cooling tube group 2 are threaded through on flue gas baffle plate 5.Flue gas cooling chamber 1 it is interior Chamber is divided into the continuous exhaust gases passes at least one level turning structure, and it is long to lengthen circulation of the flue gas in flue gas cooling chamber 1 Degree, enables flue gas repeatedly sufficiently with the cooling water coke slurry heat in cooling tube group 2 and cooling jacket 4, to achieve the purpose that cooling.
It should be noted that referring to that flue gas can be in flue gas cooling chamber 1 in the present embodiment " at least one level turning structure " It at least turns to primary and contacts cooling with cooling tube group 2 twice, the exhaust gases passes which forms can be cooling in flue gas The snakelike channel circulated repeatedly in room 1 can also be the exhaust gases passes coiled in 1 inside spin of flue gas cooling chamber, the coiled coil The entrance of exhaust gases passes is exported in the bottom of flue gas cooling chamber 1, flue gas is around certain axis spiral at the top of flue gas cooling chamber 1 It flows downward, forms multistage turning structure by continuous spiral demarcation plate.
Further, referring to Fig. 2, as condensing boiler flue gas cooling device provided by the embodiment of the utility model one Kind specific embodiment, several flue gas baffle plates 5 are arranged in parallel, and adjacent flue gas baffle plate 5 is alternately fixed on flue gas On two opposite side walls of cooling chamber 1, the inlet of exhaust gases passes is arranged in gas inlet 11, and exhanst gas outlet 12 is arranged in cigarette The exit in gas channel.Flue gas baffle plate 5 can be logical as flue gas of different shapes according to different fixation positions and angular separation Road, such as one end of two flue gas baffle plates 5 are connected and fixed, and the other end of the two flue gas baffle plates 5 is fixed with a fixed spacing On the side wall of flue gas cooling chamber 1, the two flue gas baffle plates 5 adjacent with the two flue gas baffle plates 5 are with similarly fixation side Formula is fixed on the side wall opposite with the side wall, forms zigzag exhaust gases passes;Preferably, in the present embodiment, several flue gases Baffle plate 5 is arranged in parallel and is vertically fixed on the side plate of flue gas cooling chamber 1, and flue gas enters from smoke inlet 11, along level side It is drawn to baffling repeatedly and from exhanst gas outlet 12, realizes that flue gas and the multiple-contact of cooling tube group 2, cooling jacket 4 exchange heat, optimization Cooling effect.
Further, referring to Fig. 2, as condensing boiler flue gas cooling device provided by the embodiment of the utility model one Kind specific embodiment, the quantity of flue gas baffle plate 5 are three, and three flue gas baffle plates 5 are spaced setting, the top from top to bottom Fixing end, gas inlet 11 and the exhanst gas outlet 12 of flue gas baffle plate 5 be located at the same side of flue gas cooling chamber 1.This is practical new The flue gas cooling chamber that type embodiment provides goes out four backhaul designs behind combustion chamber using flue gas, fuel full combustion in the combustion chamber Enter in flue gas cooling chamber 1 by gas inlet 11, flue gas baffle plate 5 baffling of the flue gas through the top, into the first backhaul, cigarette The side wall that gas washes away flue gas cooling chamber 1 is redirected back into the second backhaul between two flue gas baffle plates 5 being located above, with such Push away, flue gas four backhauls flowing in flue gas cooling chamber 1 is flowed out from exhanst gas outlet 12, flue gas in flow process with cooling tube group Cooling water coke slurry heat in 2 realizes staged cooling down;Each flue gas baffle plate 5 can be vertically or solid with the inclination of certain angle It is scheduled on the side wall of flue gas cooling chamber 1, the present embodiment is not limited, as long as continuous exhaust gases passes can be separated to form.
Latent heat of the flue gas in four backhauls in vapor is released, vapor condensation, to prevent the cooling in the 4th backhaul Pipe group 2 is corroded, and cooling tube group 2 needs to do anti-corrosion treatment in the pipeline section of the 4th backhaul or uses anticorrosion material, than Such as stainless steel or 09 chromium-copper antimony;The bottom plate of heat exchange fin 22 and flue gas cooling chamber 1 in the 4th backhaul, side plate and it is located at The flue gas baffle plate 5 of bottom is required to do anti-corrosion treatment or using anticorrosion material.
Condensation-water drain 13 for discharging condensed water is set on the bottom plate of flue gas cooling chamber 1, is converged to facilitate condensed water It combines at condensation-water drain 13, the bottom plate of flue gas cooling chamber 1 can be set to horizontal by the skewed of angle, condensation-water drain 13 are arranged in the lowest part of 1 bottom plate of flue gas cooling chamber.
Further, referring to Fig. 3, as condensing boiler flue gas cooling device provided by the embodiment of the utility model one Kind specific embodiment, it is cooling that the fixing end of at least flue gas baffle plate 5 of the top offers first be connected to cooling jacket 4 Sink 41, the development length value of the first cooling trough 41 in the horizontal direction are more than or equal to the extension of gas inlet 11 in the horizontal direction Length value and the length value for being less than or equal to flue gas baffle plate 5.When flue gas enters flue gas cooling chamber 1 by gas inlet 11, first The fixing end that the flue gas baffle plate 5 of the top can be washed away, due to the first backhaul in flue gas cooling chamber 1 flue-gas temperature still very Height, the fixing end of the flue gas baffle plate 5 can also absorb the heat in flue gas while by sweep of gases, to prevent the cigarette The impact of gas baffle plate 5 or high temperature deformation, setting turns cigarette plate 411 at least on the upside of the fixing end of the flue gas baffle plate 5, turns cigarette plate 411 constitute the first cooling trough 41 with the flue gas baffle plate 5 and are connected to cooling jacket 4, turn cigarette plate 411 and bear smoke-shock simultaneously Absorb flue gas heat, take away the heat for turning cigarette plate 411 and absorbing from flue gas by the cooling water of flowing, reduction turn cigarette plate 411 because High temperature deforms a possibility that damaging;For guarantee the first cooling trough 41 be able to achieve more preferably cooling effect, turn cigarette plate 411 with The spacing of the fixing end of the flue gas baffle plate 5 is unsuitable too small, is turning between cigarette plate 411 and the flue gas baffle plate 5 between setting increase Away from side plate 412, anti-rotation stop cigarette plate 411 and the cooling hydropexis at 5 fixing end of flue gas baffle plate cause cooling effect to drop It is low;Turning cigarette plate 411 can connect with the junction of side plate 412 for round-corner transition, facilitate flue gas smooth transition;The height of side plate 412 Degree is selected according to actual needs, and optionally, the height of side plate 412 is more than or equal to 50mm;In view of passing through the first cooling water Slot 41 is fully cooled the flue gas baffle plate 5, and the length for turning cigarette plate 411 needs to be greater than the width of gas inlet 11.
It should be understood that referring to Fig. 3, the length maximum for turning cigarette plate 411 can be isometric with the flue gas baffle plate 5, optimization pair The flue gas cooling effect in backhaul is answered, correspondingly, if turning the length of cigarette plate 411 and the length etc. of corresponding flue gas baffle plate 5 When long, cooling water pipe 21 is evolved into segmented from monoblock type, and the cooling water pipe 21 of segmented can be according to using the difference of backhaul to adopt With different materials, such as in the 4th backhaul, this section of cooling water pipe 21 and heat exchange fin 22 are anti-corrosion material product.
The length of cooling trough being arranged at each flue gas baffle plate 5 can be arranged according to actual needs, the present embodiment not into Row limitation.
The present apparatus realizes effective cooling of boiler smoke by the countercurrent heat exchange method of flue gas and cooling water, and flue gas is cooling Cell structure is simple, and cooling efficiency is high.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of condensing boiler flue gas cooling device, it is characterised in that: including flue gas cooling chamber (1) and to be fixed on the flue gas cold But the inside of room (1) and the cooling tube group (2) being connected to chilled(cooling) water supply (CWS) component, the flue gas cooling chamber (1) are equipped with and burning The exhanst gas outlet (12) that the gas inlet (11) of room connection is connected to flue, the gas inlet (11) and the cooling tube The water outlet port of group (2) is located at the same end, and the water inlet port of the exhanst gas outlet (12) and the cooling tube group (2) is located at another End.
2. condensing boiler flue gas cooling device as described in claim 1, it is characterised in that: the cooling tube group (2) is if include The cooling water pipe (21) of dry dislocation arrangement, each cooling water pipe (21) are connected to the chilled(cooling) water supply (CWS) component.
3. condensing boiler flue gas cooling device as claimed in claim 2, it is characterised in that: each cooling water pipe (21) Heat exchange fin (22) are equipped on outer wall.
4. condensing boiler flue gas cooling device as claimed in claim 3, it is characterised in that: the heat exchange fin (22) is along described The distribution length value of cooling water pipe (21) axial direction is less than the length value of the cooling water pipe (21).
5. such as the described in any item condensing boiler flue gas cooling devices of Claims 1-4, it is characterised in that: the cooling tube group (2) run through the flue gas cooling chamber (1) along the vertical direction, the gas inlet (11) is set to the top of the flue gas cooling chamber (1) Portion, the exhanst gas outlet (12) are set to the bottom of the flue gas cooling chamber (1).
6. such as the described in any item condensing boiler flue gas cooling devices of Claims 1-4, it is characterised in that: the cooling water supplies Answering component includes being disposed around shell (3) on the outside of the flue gas cooling chamber (1), the outer wall of the flue gas cooling chamber (1) with it is described Shell (3) encloses the cooling jacket (4) being set as accommodating cooling water, and the cooling tube group (2) and the cooling jacket (4) are even Logical, the shell (3) is equipped with through-hole corresponding with the gas inlet (11) and the exhanst gas outlet (12) respectively, described The bottom of shell (3) is equipped with cooling water inlet (31), and the top of the shell (3) is equipped with cooling water outlet (32).
7. condensing boiler flue gas cooling device as claimed in claim 6, it is characterised in that: the flue gas cooling chamber (1) it is interior Portion is fixed at least one for being separated to form the flue gas baffle plate of the continuous exhaust gases passes at least one level turning structure (5), the cooling tube group (2) is threaded through on the flue gas baffle plate (5).
8. condensing boiler flue gas cooling device as claimed in claim 7, it is characterised in that: each flue gas baffle plate (5) Arranged in parallel, the adjacent flue gas baffle plate (5) is alternately fixed on two opposite sides of the flue gas cooling chamber (1) On wall, the inlet of the exhaust gases passes is arranged in the gas inlet (11), and the exhanst gas outlet (12) is arranged in the cigarette The exit in gas channel.
9. condensing boiler flue gas cooling device as claimed in claim 7, it is characterised in that: the number of the flue gas baffle plate (5) Amount is three, and three flue gas baffle plates (5) are spaced setting from top to bottom, and flue gas baffle plate (5) of the top are consolidated Fixed end, the gas inlet (11) and the exhanst gas outlet (12) are located at the same side of the flue gas cooling chamber (1).
10. condensing boiler flue gas cooling device as claimed in claim 7, it is characterised in that: at least flue gas of the top The fixing end of baffle plate (5) offers the first cooling trough (41) being connected to the cooling jacket (4), first cooling water The development length value of slot (41) in the horizontal direction be more than or equal to the gas inlet (11) development length value in the horizontal direction and Less than or equal to the length value of the flue gas baffle plate (5).
CN201821210444.8U 2018-06-08 2018-07-27 Condensing boiler flue gas cooling device Active CN208720256U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810588763 2018-06-08
CN2018105887630 2018-06-08

Publications (1)

Publication Number Publication Date
CN208720256U true CN208720256U (en) 2019-04-09

Family

ID=64152963

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201810847148.7A Pending CN108826688A (en) 2018-06-08 2018-07-27 condensing boiler
CN201821210444.8U Active CN208720256U (en) 2018-06-08 2018-07-27 Condensing boiler flue gas cooling device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201810847148.7A Pending CN108826688A (en) 2018-06-08 2018-07-27 condensing boiler

Country Status (1)

Country Link
CN (2) CN108826688A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112413895A (en) * 2020-11-19 2021-02-26 苏州博墨热能产品有限公司 Integrated plate type condensing boiler with variable flue size and flue changing method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110108022A (en) * 2019-03-12 2019-08-09 北京北燃供热有限公司 A kind of gas water-heating furnace and its control method
CN113028645A (en) * 2021-03-30 2021-06-25 青岛新奥能源有限公司 Flue gas waste heat and condensation recovery system of gas-fired hot water boiler
CN113390186B (en) 2021-07-16 2022-06-17 廊坊劲华锅炉有限公司 Integrated pressure-bearing condensing boiler
CN113390184A (en) * 2021-07-16 2021-09-14 廊坊劲华锅炉有限公司 Pressure-bearing condensing boiler

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106344A3 (en) * 1982-10-19 1985-04-17 Hans Dr. Viessmann Condenser boiler
CN2786438Y (en) * 2005-01-28 2006-06-07 徐彦森 High-efficiency smokeless boiler
CN2929562Y (en) * 2006-07-19 2007-08-01 李志辉 Energy-saving boiler
CN200993479Y (en) * 2006-12-20 2007-12-19 李文山 Heating boiler residual heat water heater
FR2912210B1 (en) * 2007-02-05 2013-01-11 Frisquet Sa THERMAL EXCHANGER FOR BOILER, BOILER EQUIPPED WITH SUCH EXCHANGER AND METHOD FOR MANUFACTURING SUCH EXCHANGER
CN202303894U (en) * 2011-10-13 2012-07-04 合肥市顺昌不锈钢设备制造有限公司 Condensing water heater
CN204574488U (en) * 2015-04-10 2015-08-19 杭州富尔顿热能设备有限公司 The condensation hot water boiler of the collapsible layout of a kind of three backhaul
CN205014621U (en) * 2015-08-17 2016-02-03 安阳市福士德锅炉有限责任公司 Flue gas condenser
CN206637848U (en) * 2017-04-14 2017-11-14 北京康尼什能源环保技术有限公司 A kind of high efficiency condensing boiler
CN208720515U (en) * 2018-06-08 2019-04-09 廊坊劲华锅炉有限公司 Condensing boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112413895A (en) * 2020-11-19 2021-02-26 苏州博墨热能产品有限公司 Integrated plate type condensing boiler with variable flue size and flue changing method

Also Published As

Publication number Publication date
CN108826688A (en) 2018-11-16

Similar Documents

Publication Publication Date Title
CN208720256U (en) Condensing boiler flue gas cooling device
CN105157052B (en) A kind of efficient flue gas waste heat recovery apparatus of low nitrogen
CN105457563B (en) Isothermal shift reactor with built-in tube bundle
CN208720515U (en) Condensing boiler
CN102901221B (en) A kind of pressure fin straight pipe condensation Heat supply and heat exchange device
CN101191666B (en) Condensing heat exchanger for gas water heater
CN104266481B (en) A kind of cement rotary kiln bootstrap system with multistage hold over system
CN202853118U (en) Secondary heat exchanger used for gas heating stove
CN206772098U (en) A kind of gas air water unitized exchanger of depth recovery smoke discharging residual heat
CN205262239U (en) Water -cooled flue gas condenser in two return circuits
CN112728776B (en) External particle heat absorber and solar power generation system
CN107101218B (en) The compact flue gas depth waste-heat recovery device of low-resistance
CN202246548U (en) Dry quenching preheater
CN210980368U (en) Inverted combustion full-premixing condensation heat exchanger
CN203928848U (en) The condensing heat exchanger of a kind of condensing heat exchange plate and application thereof
CN202902248U (en) Boiler with flue gas condensed waste heat recovery function
CN207214208U (en) Condenser boiler and heat pump united heating system
CN208349326U (en) Volume-type condensing boiler
CN205279831U (en) Oval fin tubular heat exchanger and oval fin tubular intelligence phase transition heat transfer device
CN110530182A (en) Special-shaped separated heat pipe waste heat recovery evaporation device for passive ORC system
CN220958913U (en) Condensing heat exchange device and gas water heating appliance
CN205299489U (en) Cold grey ware of diaphragm type wall
CN114263927B (en) Air heater device based on gravity heat pipe and configuration method of gravity heat pipe bundle
CN216694012U (en) Heat exchange condenser for wall-mounted boiler
CN104006699A (en) Condensation type heat exchange plate and condensation type heat exchanger with same

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant