CN207569906U - A kind of heat exchanger of improvement - Google Patents
A kind of heat exchanger of improvement Download PDFInfo
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- CN207569906U CN207569906U CN201721627342.1U CN201721627342U CN207569906U CN 207569906 U CN207569906 U CN 207569906U CN 201721627342 U CN201721627342 U CN 201721627342U CN 207569906 U CN207569906 U CN 207569906U
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- China
- Prior art keywords
- heat
- tube
- housing
- bobbin carriage
- exchange
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of heat exchangers of improvement, including housing, it is respectively arranged on first bobbin carriage and the second bobbin carriage at housing both ends, upper and lower part in housing is respectively equipped with columned burner, each combustor level arrangement, and the periphery of each burner is equipped with two circle heat-exchanging tube bundles, which is formed, and the heat exchange straight tube in inner ring heat-exchanging tube bundle is staggeredly intervally arranged with the heat exchange straight tube in the heat-exchanging tube bundle of outer ring by multiple heat exchange straight tubes around the circumference uniform distribution of burner respectively；Middle part in housing is equipped with two circle condensing heat-exchange tube banks, and by multiple heat exchange straight tubes, circumferentially formula uniformly forms respectively for the two circles condensing heat-exchange tube bank, and the heat exchange straight tube that the heat exchange straight tube in the tube bank of inner ring condensing heat-exchange is condensed with outer ring in heat-exchanging tube bundle is staggeredly intervally arranged；First bobbin carriage is from top to bottom equipped with the first water outlet, two water inlets and the second water outlet successively.A kind of heat exchanger of improvement of the utility model, improves the heat exchange efficiency of heat exchanger, and improve the stability of heat exchanger.
Description
Technical field
The utility model is related to a kind of heat exchangers of improvement.
Background technology
Heat exchanger is widely used in the industrial circles such as petrochemical industry, electric power, environmental protection.Heat exchanger is a kind of the two of different temperatures
Kind or two or more fluids between realize the energy-saving equipment of heat transfer between material, be that heat is made to be transmitted by the higher fluid of temperature
It gives temperature relatively low fluid, fluid temperature (F.T.) is made to reach the index of flow specification, to meet the needs of process conditions, while be also to carry
One of capital equipment of high energy source utilization rate.The contact area of heat exchanger tube and flue gas stream is smaller in traditional Heat supply and heat exchange device so that
Heat exchanger tube is difficult to fully absorb the heat in flue gas stream, causes heat exchange efficiency relatively low, and vapor in flue gas stream is condensed
The heat utilization ratio released is not high.
Utility model content
It is rational in infrastructure the purpose of this utility model is to provide a kind of heat exchanger of improvement, increase heat exchanger tube and cigarette
The contact area of gas, and the latent heat in flue gas is taken full advantage of, the heat exchange efficiency of heat exchanger is effectively increased, and improve
The stability of heat exchanger.
To achieve the above object, the technical solution of the utility model is to design a kind of heat exchanger of improvement, including housing,
One bobbin carriage and the second bobbin carriage, first bobbin carriage and the second bobbin carriage are connected to the both ends of housing, the top in the housing
Columned burner, each combustor level arrangement are respectively equipped with, and the periphery of each burner is equipped with two circle heat exchanger tubes with lower part
Beam, the two circles heat-exchanging tube bundle include inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle, the inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle
It is formed, and the heat exchange straight tube in inner ring heat-exchanging tube bundle is changed with outer ring around the circumference uniform distribution of burner by multiple heat exchange straight tubes respectively
Heat exchange straight tube in heat pipe bundle is staggeredly intervally arranged；Middle part in above-mentioned housing is equipped with two circle condensing heat-exchange tube banks, and two circle is cold
Solidifying heat-exchanging tube bundle includes the tube bank of inner ring condensing heat-exchange and outer ring condenses heat-exchanging tube bundle, inner ring condensing heat-exchange tube bank and outer ring condensation
By multiple heat exchange straight tubes, circumferentially formula uniformly forms heat-exchanging tube bundle respectively, and the heat exchange straight tube in the tube bank of inner ring condensing heat-exchange with it is outer
Heat exchange straight tube in circle condensing heat-exchange tube bank is staggeredly intervally arranged；Above-mentioned first bobbin carriage is from top to bottom equipped with the first water outlet successively
Mouth, two water inlets and the second water outlet, first water outlet is connected with the two circle heat-exchanging tube bundles positioned at upper part of the housing, described
Two water inlets are connected with above-mentioned two circle condensing heat-exchange tube banks, second water outlet and the two circle heat exchanger tubes positioned at lower part of the housing
Shu Liantong.
Preferably, the smoke outlet for connecting middle part in above-mentioned housing is additionally provided on first bobbin carriage, which is located at upper
Between stating two water inlets, and smoke outlet is equipped with bellows.
Preferably, second bobbin carriage is equipped with mounting hole, and mounting hole is used to install burner.
Preferably, the bottom surface of the housing is equipped with condensation-water drain.
Preferably, the heat exchange straight tube is made of stainless steel.
Preferably, the heat exchanger further include between housing and the first bobbin carriage and housing and the second bobbin carriage between
Tube sheet, the tube sheet are equipped with for the through-hole of installing above-mentioned heat exchange straight tube, and the end of the heat exchange straight tube is draw section, the contracting
Pipeline section is inserted into above-mentioned through-hole and stretches out tube sheet, stretches out the part of tube sheet in the draw section and the joint of tube sheet is welded with annular
Weld seam.
The advantages of the utility model and advantageous effect are：
1st, high-temperature flue gas flows to the middle part of housing in the upper and lower part of housing respectively after heat exchange, vapor in flue gas
Condensed water is formed on the heat exchange straight tube of two circle condensing heat-exchange tube banks and discharges heat, makes the flow in the tube bank of two circle condensing heat-exchanges
Preheating, takes full advantage of the latent heat in flue gas, while also reduces temperature when flue gas is discharged.
2nd, heat exchange straight tube is staggeredly intervally arranged, and increases the contact area of heat exchange straight tube and flue gas.
3rd, two burners built in heat exchanger close corresponding tube bank when one of them breaks down, another is also
Normal work can be maintained, improves the stability of heat exchanger.
4th, since smoke outlet and two water inlets are arranged on first case pipe so that the outflow direction of flue gas and two circles are cold
Water (flow) direction in solidifying heat-exchanging tube bundle improves heat exchange efficiency on the contrary, so as to form countercurrent flow.
5th, since condensed water is in faintly acid, therefore the straight tube that exchanges heat is made of stainless steel, and increases the use of heat exchange straight tube
Service life.
6th, the end for the straight tube that exchanges heat is processed to form draw section by the draw, thus makes to weld between adjacent heat exchange straight tube
Partial spacing increase, and do not change the spacing of heat exchanging part, welding difficulty is reduced, and do not influence heat transfer effect.
Description of the drawings
Fig. 1 is the main body schematic diagram of heat exchanger in the utility model.
Fig. 2 is the left view structural representation of heat exchanger in the utility model.
Fig. 3 is the I of Fig. 2 to enlarged diagram.
Fig. 4 is the attachment structure schematic diagram of tube sheet and heat exchange straight tube in the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this
It encloses.
The utility model specific implementation technical solution be：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of heat exchanger of improvement, including housing 1, the first bobbin carriage 2 and the second bobbin carriage 3, institute
It states the first bobbin carriage 2 and the second bobbin carriage 3 is connected to the both ends of housing 1, the upper and lower part in the housing 1 is respectively equipped with circle
Columnar burner 4, each burner 4 is horizontally disposed, and the periphery of each burner 4 is equipped with two circle heat-exchanging tube bundles, the two circles heat exchange
Tube bank includes inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle, and the inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle are respectively by multiple heat exchange
Straight tube 5 is formed around the circumference uniform distribution of burner 4, and in the heat exchange straight tube 5 and outer ring heat-exchanging tube bundle in inner ring heat-exchanging tube bundle
Heat exchange straight tube 5 is staggeredly intervally arranged；Middle part in above-mentioned housing 1 is equipped with two circle condensing heat-exchange tube banks, the two circles condensing heat-exchanging pipe
Beam includes the tube bank of inner ring condensing heat-exchange and outer ring condenses heat-exchanging tube bundle, and inner ring condensing heat-exchange tube bank and outer ring condense heat-exchanging tube bundle
By multiple heat exchange straight tubes 5, circumferentially formula uniformly forms respectively, and the heat exchange straight tube 5 in the tube bank of inner ring condensing heat-exchange is condensed with outer ring
Heat exchange straight tube 5 in heat-exchanging tube bundle is staggeredly intervally arranged；Above-mentioned first bobbin carriage 2 is from top to bottom equipped with the first water outlet 6, two successively
A 7 and second water outlet 8 of water inlet, first water outlet 6 is connected with the two circle heat-exchanging tube bundles positioned at 1 top of housing, described
Two water inlets 7 are connected with above-mentioned two circle condensing heat-exchange tube banks, and second water outlet 8 is changed with two circles positioned at 1 lower part of housing
Heat pipe bundle connects.
The smoke outlet 9 for connecting middle part in above-mentioned housing 1 is additionally provided on above-mentioned first bobbin carriage 2, which is located at two
Between water inlet 7, and smoke outlet 9 is equipped with bellows.Above-mentioned second bobbin carriage 3 is equipped with mounting hole, and mounting hole burns for installing
Device 4.
For ease of discharging condensed water, condensation-water drain 10 is equipped in the bottom surface of above-mentioned housing 1.Since condensed water is in weak acid
Property, therefore the straight tube 5 that exchanges heat is made of stainless steel, and increases the service life of heat exchange straight tube 5.
In addition, as shown in figure 4, above-mentioned heat exchanger further includes between 1 and first bobbin carriage 2 of housing and housing 1 and
Tube sheet 11 between two bobbin carriages 3, the tube sheet 11 are equipped with the through-hole for installing above-mentioned heat exchange straight tube 5, the heat exchange straight tube 5
End for draw section 12, which is inserted into above-mentioned through-hole and stretches out tube sheet 11, stretches out tube sheet 11 in the draw section 12
Part and the joint of tube sheet 11 be welded with circular weld 13.The end for the straight tube 5 that exchanges heat is processed to form the draw by the draw
Section 12, thus makes the spacing increase of welding portion between adjacent heat exchange straight tube 5, and does not change the spacing of heat exchanging part, reduces
Welding difficulty, and do not influence heat transfer effect.
During work, flow flows into two circle condensing heat-exchanges tube banks from two water inlets 7, high-temperature flue gas on the top of housing 1 and
Lower part flows to the middle part of housing 1 respectively after heat exchange, and then the vapor in flue gas is in the heat exchange of two circle condensing heat-exchange tube banks
Condensed water is formed on straight tube 5 and discharges heat, makes the flow preheating in the tube bank of two circle condensing heat-exchanges, the abundant profit before flue gas discharge
With the latent heat in flue gas, and temperature when reducing flue gas discharge；Bellows are for guiding flue gas to discharge, due to bellows and two
A water inlet 7 is arranged on first case pipe 2, and water (flow) direction in condensing heat-exchanges tube bank is just enclosed in the outflow direction of such flue gas with two
On the contrary, so as to form countercurrent flow, heat exchange efficiency is improved.Flow by preheating by flowing to housing 1 respectively after second case pipe 3
In two circle heat-exchanging tube bundles of two circle heat-exchanging tube bundle and housing 1 lower parts on top, finally absorb after the heat of high-temperature flue gas respectively from
Water outlet 6 and water outlet 8 flow out.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model technical principle is not departed from, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (6)
1. a kind of heat exchanger of improvement, which is characterized in that including housing, the first bobbin carriage and the second bobbin carriage, first bobbin carriage with
Second bobbin carriage is connected to the both ends of housing, and the upper and lower part in the housing is respectively equipped with columned burner, respectively
Combustor level is arranged, and the periphery of each burner is equipped with two circle heat-exchanging tube bundles, which includes inner ring heat exchanger tube
Beam and outer ring heat-exchanging tube bundle, the inner ring heat-exchanging tube bundle and outer ring heat-exchanging tube bundle are surrounded the circle of burner by multiple heat exchange straight tubes respectively
Zhou Junbu is formed, and the heat exchange straight tube in inner ring heat-exchanging tube bundle is staggeredly intervally arranged with the heat exchange straight tube in the heat-exchanging tube bundle of outer ring；
Middle part in above-mentioned housing is equipped with two circle condensing heat-exchanges tube banks, two circles condensing heat-exchange tube bank include the tube bank of inner ring condensing heat-exchange with
Outer ring condenses heat-exchanging tube bundle, and inner ring condensing heat-exchange tube bank and outer ring condensation heat-exchanging tube bundle exchange heat straight tubes circumferentially by multiple respectively
Between formula uniformly forms, and the heat exchange straight tube in the heat exchange straight tube and outer ring condensation heat-exchanging tube bundle in the tube bank of inner ring condensing heat-exchange interlocks
Every arrangement；Above-mentioned first bobbin carriage from top to bottom successively be equipped with the first water outlet, two water inlets and the second water outlet, described first
Water outlet is connected with the two circle heat-exchanging tube bundles positioned at upper part of the housing, and described two water inlets connect with above-mentioned two circle condensing heat-exchange tube banks
Logical, second water outlet is connected with the two circle heat-exchanging tube bundles positioned at lower part of the housing.
2. the heat exchanger of improvement according to claim 1, which is characterized in that it is above-mentioned that connection is additionally provided on first bobbin carriage
The smoke outlet at middle part in housing, the smoke outlet is between above-mentioned two water inlet, and smoke outlet is equipped with bellows.
3. the heat exchanger of improvement according to claim 2, which is characterized in that second bobbin carriage is equipped with mounting hole, peace
Dress hole is used to install burner.
4. the heat exchanger of improvement according to claim 3, which is characterized in that the bottom surface of the housing goes out equipped with condensed water
Mouthful.
5. the heat exchanger of improvement according to claim 4, which is characterized in that the heat exchange straight tube uses stainless steel material system
Into.
6. the heat exchanger of improvement according to claim 5, which is characterized in that the heat exchanger is further included set on housing and
Tube sheet between one bobbin carriage and between housing and the second bobbin carriage, the tube sheet are equipped with to install the logical of above-mentioned heat exchange straight tube
Hole, the end of the heat exchange straight tube is draw section, which is inserted into above-mentioned through-hole and stretches out tube sheet, stretched out in the draw section
The part of tube sheet is welded with circular weld with the joint of tube sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627342.1U CN207569906U (en) | 2017-11-29 | 2017-11-29 | A kind of heat exchanger of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627342.1U CN207569906U (en) | 2017-11-29 | 2017-11-29 | A kind of heat exchanger of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569906U true CN207569906U (en) | 2018-07-03 |
Family
ID=62688762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721627342.1U Active CN207569906U (en) | 2017-11-29 | 2017-11-29 | A kind of heat exchanger of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796012A (en) * | 2017-11-29 | 2018-03-13 | 苏州格瑞码能源环保科技有限公司 | A kind of heat exchanger of improvement |
-
2017
- 2017-11-29 CN CN201721627342.1U patent/CN207569906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796012A (en) * | 2017-11-29 | 2018-03-13 | 苏州格瑞码能源环保科技有限公司 | A kind of heat exchanger of improvement |
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