CN2585112Y - Positive-displacement gas water heater heat transfered by self-flow type closed spiral circulation pipe line - Google Patents
Positive-displacement gas water heater heat transfered by self-flow type closed spiral circulation pipe line Download PDFInfo
- Publication number
- CN2585112Y CN2585112Y CN 02253276 CN02253276U CN2585112Y CN 2585112 Y CN2585112 Y CN 2585112Y CN 02253276 CN02253276 CN 02253276 CN 02253276 U CN02253276 U CN 02253276U CN 2585112 Y CN2585112 Y CN 2585112Y
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- water heater
- heat
- gas water
- circulation line
- spiral circulation
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a positive displacement gas water heater (10) heat transferred by self-flow type closed spiral circulation pipe lines of which front end is connected with the back end. The utility model is composed of a group of or more groups of self-flow type spiral circulation pipe lines (1) of which front end is connected with the back end, a finned tube combustion heat exchanger (2) which is connected with the circulation pipe lines and a heat exchanging cistern (3), wherein each circulation pipe line is made of copper pipe; the finned tube combustion heat exchanger can not only be inserted into the heat exchanging cistern, but also can pass through the heat exchanging cistern. A nozzle (4) and a special low-noise one-way valve (5) are arranged in the self-flow type spiral circulation pipe lines (1) of which front end is connected with the back end, and phase change medium is filled in the self-flow type spiral circulation pipe lines (1). The finned tube combustion heat exchanger (2) is vertically below the heat exchanging cistern (3). The medium in the self-flow type spiral circulation pipe lines (1) is phase changed into gas by being heated. With the control of the nozzle (4) and the special low-noise one-way valve (5), gaseous medium rises to the cistern (3) through the nozzle (4), and water in the cistern (3) can be heated by heat exchange of pipe walls. The gaseous medium can discharge heat, and then be condensed and phase changed into liquid. With the control of the special low-noise one-way valve (5), liquid medium can run back to the finned tube combustion heat exchanger (2) by gravity.
Description
Relate to the field
The utility model relates to a kind of volumetric gas water heater that adopts the end to end closed helical circulation line of gravity flow to conduct heat.Be particularly related to the medium that utilizes in the end to end spiral circulation line of gravity flow and when passing fin tube type combustion heat-exchange device and heat-exchanging water tank, undergo phase transition heat transfer, and the media flow noise is by the volumetric gas water heater of special-purpose low-noise unidirectional valve inhibition.
Background technology
As everyone knows, current high efficiency small-sized directly-heated type gas heater normally makes tap water flows fin tube type combustion heat-exchange device, and running water is heated the back and directly uses.The gas heater of band heat-exchanging water tank then is the power that utilizes water pump, makes water flow through fin tube type combustion heat-exchange device, flows through the radiator coil tube in the heat-exchanging water tank after the heating again, by heat exchange the heating of the water in water tank back is used.The directly-heated type gas heater is owing to easy scaling, and the temperature of the water in the fin tube type combustion heat-exchange device is low excessively, easily ties reasons such as sulphur, and the thermal efficiency is low in the practicality, seriously corroded, and the life-span is short.Usually the gas heater of band heat-exchanging water tank has improved equipment cost then because of carry out water-water heat exchange by pump operation, has increased volume, has increased operating cost.
The content of utility model
The purpose of this utility model provides the volumetric gas water heater that a kind of end to end spiral circulation line of employing gravity flow that drives without water pump conducts heat, medium in the end to end spiral circulation of its gravity flow heat transfer is heated in fin tube type combustion heat-exchange device and is phase-changed into gas, automatically rise along pipeline and pass water tank, when flowing through water tank, carry out heat exchange by the water in tube wall and the water tank.Water in the water tank is heated, and medium is cooled and is phase-changed into liquid simultaneously.Gravitate, liquid medium flow to special-purpose low-noise unidirectional valve, and medium flows back to fin tube type combustion heat-exchange device under the control of special-purpose low-noise unidirectional valve.Reciprocation cycle is with the heating rapidly expeditiously of the water in the water tank.Owing in the end to end spiral circulation of gravity flow heat transfer, adopted special-purpose low-noise unidirectional valve, make it reduce noise at work effectively, and the fluctuation in having reduced to conduct heat.The volumetric gas water heater that the end to end spiral circulation line of employing gravity flow provided by the utility model conducts heat is simple and reliable, cost is low, power saving, saving gas consumption, thermal efficiency height.
The purpose of this utility model reaches by following technical solution.The structure of the volumetric gas water heater that the end to end spiral circulation line of described employing gravity flow conducts heat is to pass the rectangle copper sheet of parallel arranged by many copper pipes, composition fin tube type combustion heat-exchange device; Constitute heat-exchanging water tank by metallic plate; Copper pipe is inserted through described heat-exchanging water tank, connects into end to end spiral circulation line with the copper pipe in the described fin tube type combustion heat-exchange device.Insertion mouth higher in vertical direction when copper pipe passes water tank is called inlet, and lower insertion mouth is called outlet.At the fin tube type combustion heat-exchange device nozzle of packing in the copper pipe loop of tank entry end, the nozzle direction is pointed to water tank.At the fin tube type combustion heat-exchange device special-purpose low-noise unidirectional valve of packing in the copper pipe loop of the water tank port of export, the check valve flow direction points to fin tube type combustion heat-exchange device.But charge into phase change medium in the end to end spiral circulation line.The combustion heat-exchange of fin tube type described in installation device is positioned at the below of heat-exchanging water tank in vertical direction.
Superiority of the present utility model is tangible.The water that needs only in fin tube type combustion heat-exchange device and the heat-exchanging water tank in the volumetric gas water heater that the end to end spiral circulation line of above-mentioned employing gravity flow conducts heat exists temperature difference, medium in the fin tube type combustion heat-exchange device promptly can be heated and be phase-changed into gas, rise in the heat-exchanging water tank, by the outer water cooling of pipeline, undergo phase transition again, be condensed into liquid, emit latent heat.Be accompanied by the exchange of latent heat like this, the water in the water tank has been heated.Do not need the conveying of water pump, medium automatically ceaselessly circulates, high efficiency transmission heat, and special-purpose low-noise unidirectional valve has reduced mobile noise simultaneously, has guaranteed its serviceability.The utlity model has long, reliable characteristics of simple in structure, with low cost, life-span.Auxiliary ligand is with common automatically controlled and fuel safety protecting device again, and is practical.Experimental results show that economic benefit of the present utility model is very considerable.
Description of drawings
Fig. 1 is the schematic diagram of the volumetric gas water heater of the end to end spiral circulation line heat transfer of employing gravity flow of the present utility model.
Fig. 2 is the amplification profile of the special-purpose low-noise unidirectional valve in the end to end spiral circulation line of gravity flow.
Fig. 3 is the amplification profile of the nozzle in the end to end spiral circulation line of gravity flow.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.Same parts in the accompanying drawing is represented with identical label.
The volumetric gas water heater that the end to end spiral circulation line of among Fig. 1 10 representative whole employing gravity flow of the present utility model conducts heat.
Label 2 expression fin tube type combustion heat-exchange devices.Fin tube type combustion heat-exchange device is to be arranged in parallel by equidistant by the rectangle copper sheet, and its upper punch has a plurality of through holes, and the end to end spiral circulation line of gravity flow (copper pipe) passes formation from the hole.Bore periphery closely contacts with copper pipe.The size of its copper pipe caliber and copper fin, quantity are determined according to power demand.
Label 3 expression heat-exchanging water tanks.Heat-exchanging water tank is the closed container that is welded into by metallic plate.As required, can pack in case water or other etc. are heated liquid.Its form can be square or cylindrical shape.
Label 1 is the rising passway and the return flow line of the end to end spiral circulation line of gravity flow.A nozzle is provided in every pipeline of rising passway, and the nozzle direction is pointed to the water tank direction.A special-purpose low-noise unidirectional valve is provided in each pipeline of return flow line, and flow direction points to fin tube type combustion heat-exchange device.One side at nozzle place is called the end that rises, and a side at special-purpose low-noise unidirectional valve place is called the end that refluxes.The end that rises is called inlet at the insertion mouth of heat-exchanging water tank, and the end that refluxes is called outlet at the insertion mouth of heat-exchanging water tank.Inlet is positioned at the top of outlet in vertical direction.
Fig. 2 is the profile of special-purpose low-noise unidirectional valve 5.
Special-purpose low-noise unidirectional valve arrangement is: valve body 21, spool 22, spool holder post 23, import 24, guiding gutter 25, pressure regulation tube 26, awl tail 27.What deserves to be explained is that valve body material can be copper, stainless steel or alloy material, also can be wear-resisting, erosion-resisting organic material.Spool is smooth ball or the cylinder that glass, jade, agate, pottery or alloy material are made.
Fig. 3 is the profile of nozzle 4.
Nozzle arrangements is, opens a through hole on a tubular valve body, and an end is the taper stomidium that a tapering is the 30-150 degree, and the other end is a plane or tapered end face.
Charge into an amount of good fluidity in the end to end spiral circulation of the gravity flow heat transfer, but the medium of phase transformation, as water, alcohol, azeotropic solution, butane, pentane.Can do application of vacuum before charging into medium.After topping up was finished at normal temperatures, the ratio of the shared luminal space of liquid medium in the pipeline chamber was 10-80%.The volumetric gas water heater that adopts the end to end spiral circulation line heat transfer of gravity flow is when work, after fin tube type combustion heat-exchange device is heated, pass the medium heat absorption phase transformation gasification in the copper pipe wherein, volumetric expansion, pressure increases, and forms a higher-pressure region in the middle of nozzle and special-purpose low-noise unidirectional valve.Steam rises by nozzle under the effect of high pressure, flows into the water tank district, and gaseous medium carries out heat exchange by the water in copper pipe tube wall and the water tank, is cooled to become liquid mutually.The liquid medium gravitate is back to special-purpose low-noise unidirectional valve downwards, flow back in the fin tube type combustion heat-exchange device by special-purpose low-noise unidirectional valve.Carry out the circulation in next week again.Medium by the exchange of latent heat, is heated the water in the water tank in the process of the phase transformation gasification heat absorption and the phase transformation liquefaction heat release that is cooled of being heated.The unit's of pressing heat exchange area calculates, and the phase-change heat-exchange mode changes the heat exchange mode exchange capability of heat greatly than fluid temperature, the efficient height.Usually during filling medium, vacuum treated vacuum is higher, and cranking temperature is lower, and the thermal efficiency is also higher.Because the interaction of many loops of the end to end spiral circulation line of multicycle gravity flow series connection, accelerated the flowing velocity of medium, improved the ability of transfer of heat, even can not require and carry out application of vacuum.
Liquid medium has been subjected to the multiple control of current limliting, water conservancy diversion, smooth expansion when flowing through special-purpose low-noise unidirectional valve, eliminated turbulent phenomenon, has reduced vibration.The use of special-purpose low-noise unidirectional valve has suppressed the shriek of media flow effectively, has reduced unstability, weakened pulsatile impact, has guaranteed the smooth flow of gas, liquid status medium.
Nozzle has been divided into two different pressure areas with gaseous medium, has improved the flowing velocity of gaseous medium, makes media flow steadily, continuously.
Adopt volumetric gas water heater that the end to end spiral circulation line of gravity flow conducts heat than traditional directly-heated type or utilize the water pump transporting water in water tank or the gas heater that carries out heat exchange in the plate type heat exchanger have thermal efficiency height, life-span long, save combustion gas and electric energy, safe and reliable characteristic.
The utility model adopts the volumetric gas water heater that the end to end spiral circulation line of gravity flow conducts heat to can be used to add liquid such as hot water, also can utilize fin tube type or coiled air heat exchanger to replace water tank to be directly used in the environment heating.
Spiral circulation line 1 is often coated with heat-barrier material, in order to improve the thermal efficiency in the foregoing description.
Claims (8)
1, the volumetric gas water heater (10) of the end to end closed helical circulation line heat transfer of gravity flow comprises the end to end spiral circulation line of gravity flow (1), fin tube type combustion heat-exchange device (2) and heat-exchanging water tank (3); Be linked to be volumetric gas water heater (10) by the end to end spiral circulation line of one or more groups gravity flow (1) between described fin tube type combustion heat-exchange device (2) and the heat-exchanging water tank (3); It is characterized in that this volumetric gas water heater (10) comprises that also the end to end spiral circulation line of gravity flow (1) is the sealing circulation line that is joined end to end and formed by the multi-circle spiral flow that passes water tank (3) and fin tube type combustion heat-exchange device (2) that copper pipe is made; But filling phase change medium in pipeline; And in every circle circulation line nozzle (4) and special-purpose low-noise unidirectional valve (5) are installed all; Water tank (3) is positioned at the top of fin tube type combustion heat-exchange device (2) in vertical direction.
2, the volumetric gas water heater according to claim 1 is characterized in that, the end to end spiral circulation line of gravity flow that passes water tank (3) and fin tube type combustion heat-exchange device (2) is by two circles or above end to end the forming of spiral of two circles.
3, the volumetric gas water heater according to claim 1 is characterized in that, described special-purpose low-noise unidirectional valve (5) is made up of valve body (21), spool (22), spool holder post (23), import (24), guiding gutter (25), pressure regulation tube (26), awl tail (27).
4, the volumetric gas water heater according to claim 1 is characterized in that, described nozzle (4) is made up of arrival end (31) throat (32) and the port of export (33).
5, the volumetric gas water heater according to claim 1 is characterized in that, in the end to end spiral circulation line of described gravity flow (1) after application of vacuum, but the phase change medium that charges into is water, alcohol, butane, pentane, azeotropic solution, and the volume that charges into liquid medium accounts for the 10-80% of tube chamber total measurement (volume).
6, the volumetric gas water heater according to claim 1 is characterized in that, the insertion mouth of nozzle (4) one sides will be higher than the insertion mouth of special-purpose low-noise unidirectional valve (5) one sides in vertical direction when water tank (3) was passed in the end to end spiral circulation line of gravity flow (1) insertion.
7, the volumetric gas water heater of claim 3 is characterized in that, described valve body (21) is to be made by copper, stainless steel or alloy material, and its spool (22) is smooth ball or the smooth cylinder that glass, pottery, jade, agate or stainless steel material are made.
8, the volumetric gas water heater according to claim 4 is characterized in that, described nozzle (4) arrival end (31) is a bellmouth, and the port of export (33) is a planar end surface or a tapered end face, and throat (32) is a straight hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253276 CN2585112Y (en) | 2002-09-05 | 2002-09-05 | Positive-displacement gas water heater heat transfered by self-flow type closed spiral circulation pipe line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253276 CN2585112Y (en) | 2002-09-05 | 2002-09-05 | Positive-displacement gas water heater heat transfered by self-flow type closed spiral circulation pipe line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2585112Y true CN2585112Y (en) | 2003-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02253276 Expired - Fee Related CN2585112Y (en) | 2002-09-05 | 2002-09-05 | Positive-displacement gas water heater heat transfered by self-flow type closed spiral circulation pipe line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2585112Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645013A (en) * | 2011-02-21 | 2012-08-22 | 广东万和新电气股份有限公司 | Domestic gas water heating device |
| CN105928205A (en) * | 2016-05-24 | 2016-09-07 | 西安交通大学 | Quick-heating type electric water heater based on vacuum phase-change principle |
-
2002
- 2002-09-05 CN CN 02253276 patent/CN2585112Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645013A (en) * | 2011-02-21 | 2012-08-22 | 广东万和新电气股份有限公司 | Domestic gas water heating device |
| CN105928205A (en) * | 2016-05-24 | 2016-09-07 | 西安交通大学 | Quick-heating type electric water heater based on vacuum phase-change principle |
| CN105928205B (en) * | 2016-05-24 | 2019-04-30 | 西安交通大学 | A kind of quick-heating electric water heater based on phase transition of vacuum principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |