CN206787058U - Hot-water boiler - Google Patents

Hot-water boiler Download PDF

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Publication number
CN206787058U
CN206787058U CN201720622325.2U CN201720622325U CN206787058U CN 206787058 U CN206787058 U CN 206787058U CN 201720622325 U CN201720622325 U CN 201720622325U CN 206787058 U CN206787058 U CN 206787058U
Authority
CN
China
Prior art keywords
heat exchanger
exchanger tube
flue
water inlet
water
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.)
Expired - Fee Related
Application number
CN201720622325.2U
Other languages
Chinese (zh)
Inventor
赵凯东
孙晨智
刘大平
杨国娟
刘杰
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.)
Zhejiang Tuff Boiler Co Ltd
Original Assignee
Zhejiang Tuff 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 Zhejiang Tuff Boiler Co Ltd filed Critical Zhejiang Tuff Boiler Co Ltd
Priority to CN201720622325.2U priority Critical patent/CN206787058U/en
Application granted granted Critical
Publication of CN206787058U publication Critical patent/CN206787058U/en
Expired - Fee Related legal-status Critical Current
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    • 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]

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Originally it is new to disclose a kind of hot-water boiler, including tubular shell, flue, the first heat exchanger tube and flue gas rotary room and burner, flue gas rotary room connects the rear end for being arranged on flue, burner is arranged on outside tubular shell front end, the flame lance of burner is extended in flue, and flame lance is coaxially set with flue, the first heat exchanger tube connects with flue gas rotary room;Both ends top is provided with reinforcement structure in tubular shell, and condensing energy-saving device is also serially connected with the flue gas exhausting pipe line.Boiler structure during this is new is reasonable, and intensity is high, and non-deformability is strong, can be beneficial to improve heat recovery and utilization rate, and the condensing energy-saving device in the boiler meets the requirement of boiler big flow water inlet.

Description

Hot-water boiler
Technical field
Originally it is new to be related to a kind of boiler, and in particular to a kind of hot-water boiler.
Background technology
Boiler is a kind of energy conversion, and the energy inputted into boiler has chemical energy, an electric energy in fuel, and boiler is defeated Go out the steam with certain heat energy, high-temperature water or organic heat carrier.The original meaning of pot is the water container heated on fire, and stove refers to combustion The place of fuel burning, boiler then include pot and stove two large divisions.Caused hot water or steam can directly be industrial production in boiler With people's lives provide needed for heat energy, can also be converted to mechanical energy by Steam Power Equipment, or again by generator by machinery Electric energy can be converted to.The boiler for providing hot water is referred to as hot-water boiler, is mainly used in living, also there is a small amount of application in industrial production. The boiler for producing steam is steam boiler, is often simply called boiler, is used for thermal power station, ship, locomotive and industrial and mining enterprises.In order to return Receive the heat in discharge flue gas, it will usually be arranged in series condenser in the flue gas exhausting pipe line of boiler, cold water is into boiler Condenser is first passed through before interior can absorb heat in flue gas exhausting pipe line, so as to reach energy-conserving action, existing condenser Structure be:Heat exchanger tube including housing and one or more series connection being arranged in housing, heat exchanger tube is by repeatedly roundabout curved Song, one end connection external water pipe of heat exchanger tube, other end connection boiler feed water mouth, because the caliber of heat exchanger tube is smaller, therefore this Kind condenser is adapted on the boiler of low discharge water inlet, and is unsuitable on the boiler of big flow water inlet, and the knot of existing heat exchanger tube Structure setting is unreasonable, and inner space waste is more, and the recovery utilization rate of heat is relatively low.In addition, the unreasonable structure of existing boiler Cause that boiler shell bearing capacity is general, and non-deformability is poor, therefore boiler for producing producer is necessary the structure to existing boiler Optimize improvement.
Utility model content
On the other hand, this is new, to aim to provide a kind of boiler shell non-deformability strong, and can be beneficial to improve heat recovery profit With the hot-water boiler of rate, and the condensing energy-saving device in the hot-water boiler meets the requirement of boiler big flow water inlet.
Realizing the technical scheme of this new purpose is:
A kind of hot-water boiler, including tubular shell, flue, the first heat exchanger tube and flue gas rotary room and the combustion laterally set The axis direction of burner, the axis direction of the flue and first heat exchanger tube is parallel, and the axle with the tubular shell Line direction is in the same direction, and the flue gas rotary room connection is arranged on the rear end of the flue, and the burner is arranged on the cylindrical case Outside body front end, the flame lance of the burner is extended in the flue, and the flame lance and the flue coaxial line Set, first heat exchanger tube connects with the flue gas rotary room;Both ends top is provided with reinforcement structure, institute in the tubular shell Stating reinforcement structure includes connecting the end plate of the tubular shell and the first bracing piece of circumferential wall and the connection tubular shell Front end-plate and circumferential wall the second bracing piece, multiple first bracing pieces and multiple second bracing pieces are along between tubular shell circumference Every setting;Condensing energy-saving device is also serially connected with the flue gas exhausting pipe line, condensing energy-saving device includes having exhaust gases passes Square tube type shell, be arranged on water inlet supervisor and water outlet that the square tube type housing exterior and the square tube type shell are set in the same direction Supervisor and multiple second heat exchanger tubes being fixed in the square tube type shell, the water inlet supervisor are located at institute with water outlet main pipe State the homonymy of square tube type shell and be arranged in parallel one on the other, described multiple second heat exchanger tubes according to line number are N, columns M Rectangular array arrangement, N and M be all higher than being equal to 2, is provided with and vertically arranged enters between the water inlet supervisor and water outlet main pipe Water branch pipe and exit branch, the second heat exchanger tube of each column side end are correspondingly arranged water inlet pipe described in one and going out described in one Water branch pipe, one end of each water inlet pipe is fixed with the water inlet supervisor and connects, the other end of the water inlet pipe and institute State water outlet main pipe to fix but do not connect, one end of the exit branch is fixed and connected with the water outlet main pipe, the water outlet branch The other end of pipe is fixed with the water inlet supervisor but does not connect, and the water inlet of each second heat exchanger tube connects with water inlet pipe, The delivery port of each second heat exchanger tube connects with exit branch, and each second heat exchanger tube is in roundabout bending, and described second Distribution is provided with fin on the outer wall of heat exchanger tube.
In above-mentioned technical proposal, the side perisporium of the flue is bellows-like structure.
In above-mentioned technical proposal, first heat exchanger tube is divided into two groups, and two group of first heat exchanger tube is relative located at the flue Both sides, every group of first heat exchanger tube include more first heat exchanger tubes.
In above-mentioned technical proposal, the length direction of each second heat exchanger tube along horizontally disposed, and with cigarette in exhaust gases passes Flow of air direction is vertical.
In above-mentioned technical proposal, N is that 5~7, M is 4~6.
In above-mentioned technical proposal, each second heat exchanger tube includes four spaced straight lengths, and described four straight Pipeline section sequentially connects and composes the second described heat exchanger tube by return bend, and four straight lengths are respectively the first straight length, second straight Pipeline section, the 3rd straight length and the 4th straight length, first straight length are on first level face with the 3rd straight length, Second straight length and the 4th straight length are on different the second horizontal plane in the first level face.
In above-mentioned technical proposal, the square tube type enclosure is provided with water leg, institute in the lower section of second heat exchanger tube The bottom for stating water leg is provided with and communicated with drainpipe.
Originally it is new that there is positive effect:Using this it is new in structure, in order to strengthen the non-deformability of boiler shell, Both ends top is provided with reinforcement structure in the tubular shell, and the reinforcement structure includes connecting the end plate of the tubular shell With the first bracing piece of circumferential wall and being connected the front end-plate of the tubular shell and the second bracing piece of circumferential wall, multiple first plus Strong bar and multiple second bracing pieces are provided at circumferentially spaced along tubular shell, further, in order to further improve non-deformability, The length of described multiple first bracing pieces is not all the same, and the length of described multiple second bracing pieces is not all the same, by setting The first bracing piece and the second bracing piece for putting different length can increase reinforced region, so as to improve the resistance to deformation energy of tubular shell Power, can be referring to shown in accompanying drawing 1 and Fig. 2;In addition by the condensing energy-saving device in setting this new, in water inlet supervisor and water outlet master Multiple water inlet pipes and multiple exit branch are set between pipe, and connected in parallel between water inlet pipe and exit branch Connect multiple heat exchanger tubes and reasonable diffluence is carried out to water inlet, so as to the boiler suitable for big flow water inlet, in addition, new by using this In mode arrange heat exchanger tube, it is compact-sized rationally, condenser shell inner space wastes few, compared with the prior art, changes Heat pipe it is more, can further improve the recovery utilization rate of heat, so as to improve heat exchange efficiency, have through practice good Using effect.
Brief description of the drawings
Fig. 1 is the structural representation of this new middle hot-water boiler;
Fig. 2 is the right view of hot-water boiler shown in Fig. 1;
Fig. 3 is the front view of this new middle condensing energy-saving device;
Fig. 4 is the top view of condensing energy-saving device shown in Fig. 3;
Fig. 5 is the left view of condensing energy-saving device shown in Fig. 3.
Reference is shown in figure:1- tubular shells;2- flues;The heat exchanger tubes of 3- first;4- flue gas rotaries room;5- burns Device;6- flame lances;7- stiffener plates;The bracing pieces of 8- first;The bracing pieces of 9- second;10- flue gas exteenal reflux pipelines;11- rear ends Plate;12- front end-plates;13- flue gas exhausting pipe lines;14- square tube type housings;141- water legs;15- water inlet supervisors;16- water outlet masters Pipe;The heat exchanger tubes of 17- second;The straight lengths of 171- first;The straight lengths of 172- second;The straight lengths of 173- the 3rd;The straight lengths of 174- the 4th; 175-U shape elbows;18- water inlet pipes;19- exit branch;20- circumferential walls.
Embodiment
This concrete structure in new is done with explanation with reference to Figure of description:
A kind of hot-water boiler, as shown in Figures 1 to 5, it includes tubular shell 1, flue 2, the first heat exchanger tube 3 and flue gas and returned Turning room 4 and burner 5, the axis direction of the axis direction of the flue 2 and first heat exchanger tube 3 is parallel, and and institute State that the axis direction of tubular shell 1 is in the same direction, the flue gas rotary room 4 connects the rear end for being arranged on the flue 2, the burner 5 are arranged on outside the front end of tubular shell 1, and the flame lance 6 of the burner 5 is extended in the flue 2, and the flame Jet pipe 6 is coaxially set with the flue 2, and first heat exchanger tube 3 connects with the flue gas rotary room 4;In order to strengthen boiler The non-deformability of shell, both ends top is provided with reinforcement structure, the reinforcement structure in tubular shell 1 described in the present embodiment Including connecting the end plate 11 of the tubular shell 1 with the first bracing piece 8 of circumferential wall and being connected the front end of the tubular shell 1 Plate 12 and the second bracing piece 9 of circumferential wall 20, multiple first bracing pieces 8 and multiple second bracing pieces 9 are circumferential along tubular shell 1 Be arranged at intervals, further, in order to further improve non-deformability, the both ends of each first bracing piece respectively with circumferential wall 20 and before End plate 12 is welded, and the both ends of each second bracing piece 9 are welded with circumferential wall 20 and end plate 11 respectively, and described multiple first strengthen The length of bar 8 is not all the same, and the length of described multiple second bracing pieces 9 is not all the same, by set different length first The bracing piece 9 of bracing piece 8 and second can increase reinforced region, can be referring to accompanying drawing 1 so as to improve the non-deformability of tubular shell Shown in Fig. 2, condensing energy-saving device is also serially connected with the flue gas exhausting pipe line 13, condensing energy-saving device includes having flue gas The square tube type shell 14 of passage, it is arranged on the water inlet that the outside of square tube type shell 14 is set in the same direction with the square tube type shell 14 Supervisor 15 and water outlet main pipe 16 and multiple second heat exchanger tubes 17 being fixed in the square tube type shell 14, the water inlet master Pipe 15 be arranged in parallel located at the homonymy of the square tube type shell 14 and one on the other with water outlet main pipe 16, and described multiple second change Heat pipe 17 is arranged according to the rectangular array that line number is N, columns is M, and N and M is all higher than being equal to 2, in the water inlet supervisor 15 with going out Vertically arranged water inlet pipe 18 and exit branch 19 are provided between water supervisor 16, the side end of the second heat exchanger tube of each column 17 is corresponding Set one described in water inlet pipe 18 and one described in exit branch 19, one end of each water inlet pipe 18 with it is described enter Water supervisor 15 fixes and connected, and the other end of the water inlet pipe 18 fixes with the water outlet main pipe 16 but do not connect, it is described go out One end of water branch pipe 19 is fixed and connected with the water outlet main pipe 16, and the other end of the exit branch 19 is responsible for the water inlet 15 fix but do not connect, and the water inlet of each second heat exchanger tube 17 connects with water inlet pipe 18, each second heat exchanger tube 17 Delivery port connected with exit branch 19, each second heat exchanger tube 17 is in roundabout bending, second heat exchanger tube 17 it is outer Distribution is provided with fin on wall.In addition by set this it is new in condensing energy-saving device, water inlet supervisor with water outlet main pipe it Between multiple water inlet pipes and multiple exit branch are set, and connect in parallel between water inlet pipe and exit branch more Individual heat exchanger tube to water inlet carry out reasonable diffluence, so as to suitable for big flow water inlet boiler, in addition, by using this it is new in Mode arranges heat exchanger tube, and compact-sized rationally condenser shell inner space wastes less, compared with the prior art, heat exchanger tube It is more, can further improve the recovery utilization rate of heat, so as to improve heat exchange efficiency, through practice have well use Effect.
In the present embodiment, the side perisporium of the flue 2 is bellows-like structure, can increase stove by using this structure The outer wall surface product of courage 2, and then heat exchange area is added so that heat exchange efficiency is improved.
In above-mentioned technical proposal, first heat exchanger tube 3 is divided into two groups, and two group of first heat exchanger tube 3 is located at the phase of flue 2 To both sides, every group of first heat exchanger tube 3 includes more first heat exchanger tubes 3.
Also include flue gas exteenal reflux pipeline 10, its one end connection flue gas exhausting pipe line 13, other end connection in the present embodiment The plenum system of the burner 5, be provided with the flue gas exteenal reflux pipeline 10 detection flue-gas temperature temperature sensor, For accelerating the smoking blower fan of flow of flue gas and motor-operated control valve for controlling flue gas flow size;Pass through in the present embodiment Flue gas exteenal reflux pipeline is set up, part exhaust can be returned in the plenum system of burner 5, so as to reduce mixing combustion Oxygen concentration in gas, plays heat absorption body, does not cause ignition temperature in flue 2 to become too high, so as to further suppress The generation of thermal NO, be provided with the flue gas exteenal reflux pipeline 10 detection flue-gas temperature temperature sensor and , so can real-time basis for driving the smoking blower fan of flow of flue gas and controlling the motor-operated control valve of flue gas flow size It is required that the flow of backflow flue gas is adjusted.
In above-mentioned technical proposal, the length direction of each second heat exchanger tube 17 along horizontally disposed, and with exhaust gases passes Flow of flue gas direction is vertical, and heat exchange occurs for cold water of the flue gas in the heat and the second heat exchanger tube 17 in flowing in flue gas, right Water is preheated.
In the present embodiment, N is that 5~7, M is 4~6, preferably, N is 6, M 5.
In the present embodiment, each second heat exchanger tube 17 includes four spaced straight lengths, described four straight tubes Section sequentially connects and composes the second described heat exchanger tube 17 by return bend 175, four straight lengths be respectively the first straight length 171, Second straight length 172, the 3rd straight length 173 and the 4th straight length 174, first straight length 171 and the 3rd straight length 173 on first level face, and second straight length 172 is in the first level face not with the 4th straight length 174 With the second horizontal plane on, using said structure compact and reasonable, and good effect of heat exchange.
In above-mentioned technical proposal, water leg is provided with the lower section of second heat exchanger tube 17 inside the square tube type shell 14 141, the bottom of the water leg 141 is provided with and communicated with drainpipe.Using said structure, the condensed water that flue gas condensing runs into is collecting Collect in tank and discharged in time by drainpipe.
Obviously, this new above-described embodiment is only intended to clearly illustrate this new example, and is not pair The restriction of this new embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these Belong to the obvious changes or variations that this new connotation is extended out and still fall within this new protection domain.

Claims (7)

1. a kind of hot-water boiler, including tubular shell, flue, the first heat exchanger tube and flue gas rotary room and the burning laterally set The axis direction of device, the axis direction of the flue and first heat exchanger tube is parallel, and the axis with the tubular shell Direction is in the same direction, and the flue gas rotary room connection is arranged on the rear end of the flue, and the burner is arranged on the tubular shell Outside front end, the flame lance of the burner is extended in the flue, and the flame lance is set with the flue coaxial line Put, first heat exchanger tube connects with the flue gas rotary room;It is characterized in that:Both ends top, which is provided with, in the tubular shell adds Strong structure, the reinforcement structure include connecting described in the end plate of the tubular shell and the first bracing piece of circumferential wall and connection The front end-plate of tubular shell and the second bracing piece of circumferential wall, multiple first bracing pieces and multiple second bracing pieces are along cylindrical case Body is provided at circumferentially spaced;Condensing energy-saving device is also serially connected with the flue gas exhausting pipe line, condensing energy-saving device includes having The square tube type shell of exhaust gases passes, it is arranged on the water inlet master that the square tube type housing exterior is set in the same direction with the square tube type shell Pipe and water outlet main pipe and multiple second heat exchanger tubes being fixed in the square tube type shell, the water inlet supervisor and water outlet master Pipe located at the square tube type shell homonymy and be arranged in parallel one on the other, described multiple second heat exchanger tubes according to line number be N, The rectangular array that columns is M is arranged, and N and M is all higher than being equal to 2, is provided between the water inlet supervisor and water outlet main pipe vertical The water inlet pipe and exit branch of setting, the second heat exchanger tube of each column side end are correspondingly arranged water inlet pipe and one described in one Described exit branch, one end of each water inlet pipe is fixed with the water inlet supervisor and connects, the water inlet pipe it is another One end is fixed with the water outlet main pipe but not connected, and one end of the exit branch is fixed and connected with the water outlet main pipe, institute The other end for stating exit branch is fixed with the water inlet supervisor but not connected, water inlet and the water inlet branch of each second heat exchanger tube Pipe connects, and the delivery port of each second heat exchanger tube connects with exit branch, and each second heat exchanger tube is in roundabout bending, institute State distribution on the outer wall of the second heat exchanger tube and be provided with fin.
2. hot-water boiler according to claim 1, it is characterised in that the side perisporium of the flue is bellows-like structure.
3. hot-water boiler according to claim 1 or 2, it is characterised in that first heat exchanger tube is divided into two groups, two group One heat exchanger tube is located at the flue opposite sides, and every group of first heat exchanger tube includes more first heat exchanger tubes.
4. hot-water boiler according to claim 1, it is characterised in that the length direction edge of each second heat exchanger tube is horizontal Arrangement, and it is vertical with flow of flue gas direction in exhaust gases passes.
5. hot-water boiler according to claim 1, it is characterised in that N is that 5~7, M is 4~6.
6. hot-water boiler according to claim 1, it is characterised in that each second heat exchanger tube includes four interval settings Straight length, described four straight lengths sequentially connect and compose the second described heat exchanger tube, four straight lengths point by return bend Not Wei the first straight length, the second straight length, the 3rd straight length and the 4th straight length, first straight length and the 3rd straight tube Section is on the first level face, and to be in the first level face different second for second straight length and the 4th straight length On horizontal plane.
7. hot-water boiler according to claim 1, it is characterised in that the square tube type enclosure is in the described second heat exchange The lower section of pipe is provided with water leg, and the bottom of the water leg is provided with and communicated with drainpipe.
CN201720622325.2U 2017-05-31 2017-05-31 Hot-water boiler Expired - Fee Related CN206787058U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720622325.2U CN206787058U (en) 2017-05-31 2017-05-31 Hot-water boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720622325.2U CN206787058U (en) 2017-05-31 2017-05-31 Hot-water boiler

Publications (1)

Publication Number Publication Date
CN206787058U true CN206787058U (en) 2017-12-22

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ID=60714940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720622325.2U Expired - Fee Related CN206787058U (en) 2017-05-31 2017-05-31 Hot-water boiler

Country Status (1)

Country Link
CN (1) CN206787058U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107084531A (en) * 2017-05-31 2017-08-22 浙江特富锅炉有限公司 Hot-water boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107084531A (en) * 2017-05-31 2017-08-22 浙江特富锅炉有限公司 Hot-water boiler

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20171222

Termination date: 20200531