CN206113288U - Gas fired water heater - Google Patents

Gas fired water heater Download PDF

Info

Publication number
CN206113288U
CN206113288U CN201621094985.XU CN201621094985U CN206113288U CN 206113288 U CN206113288 U CN 206113288U CN 201621094985 U CN201621094985 U CN 201621094985U CN 206113288 U CN206113288 U CN 206113288U
Authority
CN
China
Prior art keywords
heat
water heater
water pipe
heat exchange
gas
Prior art date
Application number
CN201621094985.XU
Other languages
Chinese (zh)
Inventor
赵曼
霍志敏
刘文乾
Original Assignee
北京庆东纳碧安热能设备有限公司
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 北京庆东纳碧安热能设备有限公司 filed Critical 北京庆东纳碧安热能设备有限公司
Priority to CN201621094985.XU priority Critical patent/CN206113288U/en
Application granted granted Critical
Publication of CN206113288U publication Critical patent/CN206113288U/en

Links

Abstract

The utility model discloses a gas fired water heater under the condition that is not influencing the normal work of gas fired water heater, has solved scale deposits in the main heat exchanger heat transfer water pipe, influence the life of water heater, and the vortex arch that the in a spiral arrangement surface is smooth arc surface is enclosed to its technical scheme main points in the heat transfer water pipe in main heat exchanger, the utility model provides a gas fired water heater has following advantage: protruding in a spiral arrangement in the setting of heat transfer water pipe inner wall of vortex is the arc surface with heat transfer water pipe inner wall junction, and it can sedimentary dead angle to have reduced the incrustation scale, also enable the main heat exchanger normal water existing turbulent state that flows simultaneously, has not only played the effect of temperature of mediateing, can also let turbulent state's water flow scouring pipe wall, prevents the deposit of incrustation scale, improves life. And through setting up the area of contact that the vortex arch had increaseed rivers and inside pipe wall, improved heat exchange efficiency.

Description

A kind of gas-heating water heater
Technical field
This utility model is related to gas and hot water and heating, more particularly to a kind of gas-heating water heater.
Background technology
Gas-heating water heater, plays a part of to provide heating and hot-water supply in family life.
Known gas-heating water heater includes combustion system, heating system, domestic water system, smoke evacuation system and control System processed, heating system include the water pipe of heat exchanger and turnover, and heat exchanger is connected with the combustor in combustion system.It is logical Cross combustion system to heat the water in heat exchanger, then by hot water output to heating system and domestic water system, be family Life provides hot water and heating.
A kind of gas-heating water heater heat is disclosed in the Chinese utility model patent of Publication No. CN201945214U Exchanger, includes heat exchanger in gas-heating water heater, and heat exchanger heat exchange straight tube inwall is welded with folding as we know from the figure Line style spoiler, spoiler is through heat exchange straight tube.
Said structure makes in the heat exchanger of gas-heating water heater current in heat absorption intracavity in turbulent condition, maintains water Stream part temperature is uniform.But problem is that the spoiler of broken line type is welded on heat exchange straight tube inwall, and heat exchange straight tube inwall is constituted The corner of many easy sediment incrustations, and also there is the knuckle of many easy sediment incrustations on broken line type spoiler surface, causes incrustation scale Deposition, reduces the service life of gas-heating water heater.
Utility model content
The purpose of this utility model is to provide a kind of gas-heating water heater for preventing incrustation scale from depositing.
Above-mentioned technical purpose of the present utility model technical scheme is that:
A kind of gas-heating water heater, including heat exchanging water pipe, the heat exchanging water pipe include multiple heat exchange straight tubes and multiple change Hot-bending pipe, the two ends of each heat exchange bend pipe are connected to two heat exchange straight tubes, and the heat exchange straight tube inwall is provided with helically to be arranged Some flow-disturbings of row are raised, and the flow-disturbing is raised to be arranged in arc surface with heat exchange straight tube inwall junction, and the flow-disturbing projection is Upper surface is the bluff body of smooth arc surface.
Using such scheme, raised by arranging flow-disturbing, it is in arc surface and heat exchanging water pipe's inwall between to make flow-disturbing raised, and And it is also very close to each other in flow-disturbing convex surfaces, prevent incrustation scale to be deposited between these gaps and gap, cause incrustation scale to deposit, affect Service life.Meanwhile, flow through flow-disturbing projection and there is larger pressure drag, make current that impact is generated in turbulent condition to heat exchange The current of pipe inner wall, the flow-disturbing projection of annular arrangement increase heat exchanging water pipe's inwall by the area of water impact.
Preferably, being provided with gap between the flow-disturbing projection.
Using such scheme, it is ensured that will not be because of contacting with each other, so as to produce easy sediment incrustation between flow-disturbing projection Dead angle.
Preferably, heat exchanging water pipe's inwall is smooth surface.
Using such scheme, it is possible to reduce originally because the gap existing for heat exchanging water pipe's inner wall coarse, reduces incrustation scale The possibility of deposition.
Preferably, being detachably connected between the heat exchange straight tube and heat exchange bend pipe.
Using such scheme, the flow-disturbing in heat exchanging water pipe is raised because, during some reasons damages, being damaged by changing Flow-disturbing projection place straight tube, changes flow-disturbing projection, uses gas-heating water heater convenient.
Preferably, there is an external screw thread heat exchange straight tube port, the heat exchange elbow port is had and is matched with external screw thread Female thread.
Using such scheme, heat exchange straight tube and heat exchange bend pipe threaded connection are made, dismounting is facilitated and is installed, improve heat exchange The service life of water pipe.
Preferably, heat exchanging water pipe's outer surface is provided with heat collecting sheet.
Using such scheme, heat exchanging water pipe is improve for the absorption of heat, accelerate the heat transfer rate of heat exchanging water pipe.
Preferably, the heat collecting sheet is perpendicular to heat exchanging water pipe's outer surface and is provided with some, every two neighboring heat collecting sheet Between be provided with spacing.
Using such scheme, the heat collecting sheet for making the arrangement for being capable of rule on heat exchanging water pipe most.Semiorbicular projection can Heat exchanging water pipe's external surface area is increased, the contact area with combustor is increased, heat exchange rule is improve.
Preferably, the heat collecting sheet is that semiorbicular lamellar is raised.
Using such scheme, the outer surface of the heat exchanging water pipe that preferably can coincide, the heat absorbed by heat collecting sheet is enable more preferably Be delivered in heat exchanging water pipe.
Preferably, also including top cover, the top cover is welded on the outer surface of heat exchanging water pipe to cover described in any two The gap formed between heat exchange straight tube.
Using such scheme, the gap covered between heat exchanging water pipe with top cover, prevent the heat in combustor from passing through Gap between heat exchanging water pipe is scattered and disappeared, and improves the heat utilization efficiency of heat exchanging water pipe.
Preferably, also including combuster, the heat exchanging water pipe, heat collecting sheet and top cover constitute main heat exchanger, described Main heat exchanger is parallel to combustor and the main heat exchanger is fixedly connected with combustor, and the heat collecting sheet is located near burning The side of room.
Using such scheme, main heat exchanger can be preferably made to absorb burning Indoor Thermal amount, so as to the confession required for heating Warm water and domestic water.Make the distance of main heat exchanger to combustor bottom surface roughly the same, enable current in main heat exchanger Enough it is heated evenly.Heat collecting sheet enables the maximum heat absorbed in combustor near combustor, without playing fin Effect.
In sum, this utility model has the advantages that:
1st, it is in arc surface with heat exchange straight tube inwall junction that flow-disturbing is raised, is shaped as ellipsoidal flow-disturbing and projects through spiral Arrangement, by superposition for the impact of current, enables heat-exchanging water in-pipe flow majority to be changed into turbulent condition, in heat exchanging water pipe's inwall On do not produce unnecessary gap, reduce the deposition of incrustation scale.
2nd, flow-disturbing projection is arranged in heat exchange straight tube, when the part of heat exchanging water pipe is destroyed, can be by changing The heat exchange straight tube and heat exchange bend pipe of threaded connection, ensures that heat exchanging water pipe can also use.
3rd, flow-disturbing is raised and heat collecting sheet increased the rate of heat exchange for exchanging current in hot-water line, accelerates and current are added Temperature.The tight arrangement and the use of top cover of heat exchanging water pipe, makes the heat in combustor be absorbed by heat exchanging water pipe as far as possible, increased Capacity usage ratio.The usage frequency of gas-heating water heater is reduced, service life is extended.
Description of the drawings
Fig. 1 is the structural representation of main heat exchanger and combustor;
Top views of the Fig. 2 for main heat exchanger;
Fig. 3 is the structural representation of heat exchange straight tube;
Sectional views of the Fig. 4 for the shown heat exchange straight tube of Fig. 3.
In figure:1st, main heat exchanger;2nd, combustor;3rd, heat collecting sheet;4th, heat exchanging water pipe;5th, flow-disturbing is raised;6th, top cover;7th, change Hot straight tube;8th, exchange heat bend pipe.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
Disclosed in the present embodiment, a kind of gas-heating water heater, shown in Figure 1, including main heat exchanger 1 and combustor 2, main heat exchanger 1 is welded with the one of heat collecting sheet 3 and faces down and is welded on the top of combustor 2 in parallel.Intensive heat collecting sheet 3 is increased External surface area of the heat exchanging water pipe 4 near 2 that face of combustor, absorbs the heat in combustor 2 to the full extent.Main heat exchanger 1 Overall be made up of rustless steel, it is therefore prevented that the current in heat exchanging water pipe 4 and the condensed water on heat collecting sheet 3 are for main heat exchanger 1 corrosion, improves the service life of gas-heating water heater.
Shown in Figure 2,4 shape of heat exchanging water pipe is serpentine-like and 7 length of straight tube that exchanges heat is identical, such as the water pipe of several S-shapeds It is connected.Whole main heat exchanger 1 is presented a shape for being similar to cuboid, is provided with thermal-arrest in the side near combustor Piece 3.The heat collecting sheet 3 perpendicular to 4 outer surface of heat exchanging water pipe and be provided with it is some, between being provided between two neighboring heat collecting sheet 3 Away from.The heat collecting sheet 3 is that semiorbicular lamellar is raised.And the space only minimum between straight tube 7 that exchanges heat of arranged adjacent, and It is trapezoidal casting coping 6 that cross section has been welded in the top in gap, blocks the dispersed heat from gap, it is therefore prevented that combustor The waste of heat in 2, causes the waste of the energy, improves heat utilization efficiency.
Shown in Figure 3, the external screw thread at 7 two ends of straight tube that exchange heat is arranged enables heat exchange straight tube 7 convenient and heat exchange bend pipe 8 Screw thread dismounting is fixed, and facilitates the replacing of 4 broken parts of heat exchanging water pipe.
Shown in Figure 4, flow-disturbing projection 5 is shape that is oval and slowly gathering towards centre upwards for bottom surface, flow-disturbing projection 5 All it is close to the inwall of heat exchanging water pipe 4, it is in arc surface that surface is the junction of the flow-disturbing raised 5 and inwall of smooth arc surface, is not had Have and produce unnecessary gap and gap, it is to avoid be capable of the dead angle of sediment incrustation.4 inwall of heat exchanging water pipe is in smooth surface, can be with 4 inwall of original heat exchanging water pipe gap that may be present is reduced, the possibility of incrustation scale deposition is reduced.Strengthen heat exchanging water pipe 4 simultaneously Heat exchange rule.Being welded on 4 inwall of heat exchanging water pipe for flow-disturbing 5 helical arrangement of projection, makes flow-disturbing projection 5 for the impact of current It is overlapped mutually, makes water turbulence state more violent.In the cross section of heat exchanging water pipe 4, the height of flow-disturbing projection 5 is less than horizontal stroke / 10th of/3rd of diameter of section, simultaneously greater than cross-sectional diameter, such flow-disturbing projection 5 will not because of excessive and Blocking heat exchanging water pipe 4, will not have the effect for making water turbulence because of too small yet.Have and only in heat exchange 7 spiral of straight tube It is provided with some flow-disturbing projections 5.The flow-disturbing projection 5 of diverse location makes the current in heat exchanging water pipe 4 for 4 inwall of heat exchanging water pipe is rushed Hit more comprehensively, reduce the deposition of incrustation scale in current, while washing away the deposited incrustation scale of 4 inwall of heat exchanging water pipe, reduce interior The incrustation scale for having been deposited on wall.Only flow-disturbing projection 5 is welded in 7 part of heat exchange straight tube, be to change current in original heat exchange straight tube 7 Situation about directly flowing through, by flow-disturbing raised 5 so that turbulent condition occur in the current in heat exchange straight tube 7, reaches impact and changes The effect of the inwall of hot-water line 4;When current are through heat exchange bend pipe 8, because the bending part in heat exchange bend pipe 8 can occur current stream The change in dynamic direction, makes current also realize exchanging the inwall that impacts of hot-bending pipe 8, therefore increases without welding flow-disturbing projection 5 Impact of the current to inwall.
In gas-heating water heater when in use, current are begun to warm up in heat exchanging water pipe, and heat collecting sheet will burn indoor After heat absorption, start heat exchange, the preferential heating of current of heat exchanging water pipe lower half by heat exchanging water pipe and current.In current Affected by flow-disturbing projection in flowing, flow direction there occurs change, make current be in turbulent condition, so as in heat exchanging water pipe Top and the bottom current start mixing, and temperature becomes uniform.Because the raised surface of pipe inner wall and flow-disturbing is all arc surface, in current Entrained impurity will not find the gap that can be deposited on heat exchanging water pipe's inwall, also because the turbulent condition impurity quilt of current Current drive, and will not deposit in heat exchanging water pipe's inwall.Meanwhile, deposited incrustation scale on heat exchanging water pipe's inwall, by the water of turbulent flow Stream constantly impacts, and by erosive wear slowly, leaves heat exchanging water pipe's inwall, extends the service life of gas-heating water heater.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but As long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. a kind of gas-heating water heater, including heat exchanging water pipe(4), the heat exchanging water pipe(4)Including multiple heat exchange straight tubes(7)With Multiple heat exchange bend pipes(8), each heat exchange bend pipe(8)Two ends be connected to two heat exchange straight tubes(7), it is characterized in that:It is described Heat exchange straight tube(7)It is raised that inwall is provided with some flow-disturbings for helically arranging(5), the flow-disturbing projection(5)With heat exchange straight tube(7)It is interior Wall junction is arranged in arc surface, and the flow-disturbing is raised(5)It is bluff body that upper surface is smooth arc surface.
2. gas-heating water heater according to claim 1, is characterized in that:The flow-disturbing is raised(5)Between be provided with gap.
3. gas-heating water heater according to claim 1, is characterized in that:The heat exchanging water pipe(4)Inwall is smooth song Face.
4. gas-heating water heater according to claim 1, is characterized in that:The heat exchange straight tube(7)With heat exchange bend pipe(8) Between be detachably connected.
5. gas-heating water heater according to claim 1, is characterized in that:The heat exchange straight tube(7)There is external screw thread port, The heat exchange bend pipe(8)There is the female thread matched with external screw thread port.
6. gas-heating water heater according to claim 1, is characterized in that:The heat exchanging water pipe(4)Outer surface is provided with collection Backing(3).
7. gas-heating water heater according to claim 6, is characterized in that:The heat collecting sheet(3)Perpendicular to heat exchanging water pipe (4)Outer surface and be provided with it is some, per two neighboring heat collecting sheet(3)Between be provided with spacing.
8. gas-heating water heater according to claim 6, is characterized in that:The heat collecting sheet(3)For semiorbicular lamellar It is raised.
9. gas-heating water heater according to claim 6, is characterized in that:Also include top cover(6), the top cover(6)Weldering It is connected on heat exchanging water pipe(4)Outer surface exchange heat described in any two straight tube to cover(7)Between the gap that formed.
10. gas-heating water heater according to claim 9, is characterized in that:Also include combuster(2), the heat exchange Water pipe(4), heat collecting sheet(3)And top cover(6)Constitute main heat exchanger(1), the main heat exchanger(1)Parallel to combustor(2) And the main heat exchanger(1)With combustor(2)It is fixedly connected, the heat collecting sheet(3)Positioned near combustor(2)Side.
CN201621094985.XU 2016-09-29 2016-09-29 Gas fired water heater CN206113288U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621094985.XU CN206113288U (en) 2016-09-29 2016-09-29 Gas fired water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621094985.XU CN206113288U (en) 2016-09-29 2016-09-29 Gas fired water heater

Publications (1)

Publication Number Publication Date
CN206113288U true CN206113288U (en) 2017-04-19

Family

ID=58522301

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621094985.XU CN206113288U (en) 2016-09-29 2016-09-29 Gas fired water heater

Country Status (1)

Country Link
CN (1) CN206113288U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109519906A (en) * 2018-12-18 2019-03-26 佛山市顺德区美的洗涤电器制造有限公司 Steam generator and household electrical appliance
CN109519908A (en) * 2018-12-18 2019-03-26 佛山市顺德区美的洗涤电器制造有限公司 Steam generator and household electrical appliance
CN110030543A (en) * 2019-04-10 2019-07-19 佛山市顺德区美的洗涤电器制造有限公司 Steam generator and kitchen ventilator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109519906A (en) * 2018-12-18 2019-03-26 佛山市顺德区美的洗涤电器制造有限公司 Steam generator and household electrical appliance
CN109519908A (en) * 2018-12-18 2019-03-26 佛山市顺德区美的洗涤电器制造有限公司 Steam generator and household electrical appliance
CN110030543A (en) * 2019-04-10 2019-07-19 佛山市顺德区美的洗涤电器制造有限公司 Steam generator and kitchen ventilator

Similar Documents

Publication Publication Date Title
CN102313404B (en) Condenser with liquid separation type spiral tube structure
CN204043201U (en) A kind of flue residue heat recovery type heat conducting oil boiler
CN203443416U (en) Shell and tube heat exchanger
CN202008153U (en) Waste heat recovery device of boiler flue gas
CN104180677B (en) The rotary cement kiln waste heat utilization heat exchanger that tube bank density of protrusions is different
CN102901225B (en) A kind of pressure helical fin coil condensation Heat supply and heat exchange device
CN102901221B (en) A kind of pressure fin straight pipe condensation Heat supply and heat exchange device
CN203478220U (en) Novel cyclone separator of circulating fluidized bed boiler
KR20040017448A (en) heat exchanger of condensing boiler
US20150323265A1 (en) Heat exchanger having a compact design
CN201547959U (en) Spiral single-tube condensing heat exchanger
CN102901222B (en) A kind of pressure fin straight tube double-ring condensation Heat supply and heat exchange device
CN106959026A (en) A kind of laterally intermittent stagnation coiled pipe membrane wall powder high-efficiency heat exchanger
CN203893704U (en) Non-isometric dual helical baffle plate tubular heat exchanger
CN105987627A (en) Efficient air preheating method and preheater
CN203949198U (en) The multistage retracting device of natural gas fume afterheat
CN201593803U (en) Flue gas low temperature corrosion resistant efficient air preheater
KR101422347B1 (en) Condensation heat exchanger having dummy pipe
CN103591832B (en) A kind of tiltedly finned tube exchanger
KR200284927Y1 (en) High Efficiency Heat Recovery Apparatus
CN104251629A (en) Heat exchanger and gas water heater with same
CN207865428U (en) A kind of biomass boiler fume afterheat utilizes energy saver
KR101436079B1 (en) Combustion gas pipe for heat exchange
KR101031101B1 (en) separation type heat exchanger
CN207487128U (en) A kind of safe and efficient boiler

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant