CN206160772U - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN206160772U CN206160772U CN201621132776.XU CN201621132776U CN206160772U CN 206160772 U CN206160772 U CN 206160772U CN 201621132776 U CN201621132776 U CN 201621132776U CN 206160772 U CN206160772 U CN 206160772U
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- CN
- China
- Prior art keywords
- heat exchanger
- housing
- heat exchange
- heat
- exchanger according
- 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
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Abstract
The utility model discloses a heat exchanger, include the casing and set up the footing that is used for support housing below the casing, be equipped with in the casing and be used for bearing the weight of cold fluidic heat transfer core, the head end and the tail end of heat transfer core are equipped with water inlet and delivery port respectively, and water inlet and delivery port be fixed in the tip of casing respectively, the casing both sides are equipped with air inlet and gas outlet respectively, through setting up air inlet and gas outlet in the casing both sides, can prevent that hydrometeor from falling again influences heat exchanger's heat transfer efficiency to the air inlet.
Description
Technical field
The utility model is related to a kind of power plant production equipment field, more specifically, it relates to a kind of heat exchanger.
Background technology
Heat exchanger is a kind of section that heat transfer between material is realized between two or more fluid of different temperatures
Energy equipment, makes heat pass to the relatively low fluid of temperature by the higher fluid of temperature, makes fluid temperature (F.T.) reach the finger of flow specification
One of mark, to meet the needs of process conditions, while be also the capital equipment of raising energy utilization rate.Heat exchanger industry is related to warm up
Nearly 30 multi industries such as logical, pressure vessel, sewerage disposing equipment, chemical industry, oil, mutually form industry chain (supply chain).
Thermal fluid inlet is often arranged at heat exchanger main body lower section by traditional heat exchanger, and such as Authorization Notice No. is
The utility model of CN203224152U discloses a kind of baffle plate type single-pass exchanger, and it is provided with housing, housing on bearing
Two ends be machined with cold fluid inlet and cold fluid outlet respectively, in housing cavity housing is divided into by front tube sheet and back tube sheet
Front water chamber, heat exchange condensing room, rear hydroecium, on two side walls of heat exchange condensing room thermal fluid inlet and hot fluid are machined with respectively
Outlet, chamber is provided with heat exchanger tube and deflection plate in heat exchange condensing room, the two ends of heat exchanger tube be each passed through deflection plate and front tube sheet,
Back tube sheet couples, and the two ends of heat exchanger tube are connected respectively with front water chamber, rear hydroecium, solid by pull bar on the excircle of deflection plate
Be scheduled on back tube sheet, be machined with deflection plate 3 fan ring-like windows, one fan ring-like window with another fan ring-like window it
Between be machined be easy to heat exchanger tube install through hole.
When the hot fluid that above-mentioned baffle plate type single-pass exchanger is passed through is steam, steam rises and cold flow body heat-shift,
The temperature of steam is reduced, and is shunk, density increase, relative settlement, and with the steam generation heat exchange being just passed through in heat exchanger, product
Gather in heat exchanger, it is impossible to effectively from hot fluid outlet ports output, impact has just been passed through the steam of heat exchanger and has exchanged with cold flow body heat, heat
Exchange efficiency is relatively low；Meanwhile, in any case the steam after heat exchange can liquefy to form condensed water, when in input heat exchanger
The shortage of heat of steam with gasify condensed water when, condensed water can drop down onto heat exchanger shell inwall or thermal fluid inlet pipeline, hold
The easily fouling in pipeline or housing, is not easily cleaned.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of heat transfer efficiency high heat exchange
Device.
For achieving the above object, the utility model provides following technical scheme：A kind of heat exchanger, including housing and set
Housing lower section is placed in for supporting the footing of housing, the heat exchange core for holding cold carrier fluid, the heat exchange are provided with the housing
The head end and tail end of core is respectively equipped with water inlet and delivery port, and water inlet and delivery port are individually fixed in the end of housing, institute
State housing and be respectively provided on two sides with air inlet and gas outlet.
Entered in housing by heat exchange core by adopting above-mentioned technical proposal, first cold flow body, hot-fluid is passed through in air inlet
Body, in the present embodiment, hot fluid adopts steam, and steam can spread into after housing and be introduced into the steam of housing can be to housing
In the certain thrust of steam promote steam to contact with heat exchange core, heat-shift.The in-core cooling fluid temperature that now exchanges heat is raised, and
Export from delivery port along heat exchange core；The temperature drop of steam, and be introduced into housing steam provide thrust can promote temperature
The some vapor of reduction is transferred to the opposite side of housing, and from gas outlet output.By the way that air inlet is arranged at into housing side, send out
Heat exchanges the steam of the liquefaction that point vapor portion is contacted with heat exchange core and can directly be settled down to housing lower section, and part then bypasses heat exchange
Core is directly exported from gas outlet, and the heat exchanger effectiveness between steam and cold flow body is higher.By the way that gas outlet is arranged at into housing side
Side, can prevent the condensed water produced in housing in heat exchanging process from together exporting.
The utility model is more preferably：The heat exchange core includes some heat exchanger tubes be arrangeding in parallel and is arranged to change
It is used to connect the connected component of heat exchanger tube between heat pipe, heat exchanger tube is connected respectively with water inlet and delivery port.
By adopting above-mentioned technical proposal, heat exchange core length in the housing can be increased, increase hot fluid with heat exchange core
Contact area, further increases the distance flowed in the housing into the cold flow body of heat exchanger, enables cold flow body more abundant
With hot fluid heat-shift, improve the heat exchanger effectiveness and effect of hot fluid and cold flow body.
The utility model is more preferably：The housing lower section is provided with leak detection mouth.
Because hot fluid is steam, the seal of housing need to be ensured, can be detected by pouring water in housing, detect it
Afterwards, water is discharged by mouth of hunting leak.Simultaneously because the condensed water accumulation that steam is formed can take in the housing certain space, can be with steaming
Vapour carries out heat exchange, the heat exchanger effectiveness of heat exchanger, and condensed water long-time residual meeting fouling or corrosion housing is affected, by adopting
With above-mentioned technical proposal, condensed water can be made to pass through leak detection mouth discharge.
The utility model is more preferably：The housing top is provided with the exhaust outlet for being easy to steam to discharge.
Because waste vapour is arranged at housing side, some vapor cannot be discharged smoothly from gas outlet, because above-mentioned steam can be waste vapour,
Harmful substance in waste vapour can condense and accumulate in heat exchanger, not easy to clean, by arranging exhaust outlet above housing, profit
The principle risen because density is little with steam, can further be exhausted.
The utility model is more preferably：Deflection plate is fixed with the housing, the deflection plate is provided with some
For placing the through hole of heat exchange core, and the diameter path length of through hole more than the diameter path length of heat exchanger tube.
When heat exchange core only both sides power supported, during middle part stress concentration is easily broken off, and heat exchange core center of gravity is located at
Between, the torque that the strong point of supported on both sides heat exchange core is subject to is larger, is easily damaged, and by adopting above-mentioned technical proposal, can make to change
Hot core is subject to uniform support force；By arranging the through hole with diameter greater than heat exchanger tube diameter, steam need to be by through hole ability outwards
Diffusion, can increase turbulent extent of the steam in housing, improve heat transfer efficiency.
The utility model is more preferably：The deflection plate is obliquely installed.
By adopting above-mentioned technical proposal, the steam for being located at upper end can be made along the deflection plate being obliquely installed gradually to heat exchanger tube
Converge.
The utility model is more preferably：The water inlet is located at delivery port top.
It is to promote water to move upwards when delivery port is located at water inlet upper end, larger hydraulic pressure is needed, by using above-mentioned skill
Art scheme, can further promote water to move forward using the gravity of water, increase the flow velocity of water, can improve the heat exchange effect of heat exchanger
Rate.
The utility model is more preferably：The water inlet is flushed higher than air inlet or with air inlet.
By adopting above-mentioned technical proposal, can diffuse up when vapour density is little, the heat exchanger tube above steam with steam
Vapour heat exchange, makes steam relative settlement, and from gas outlet output, can improve heat exchanger effectiveness.
The utility model is more preferably：The axis of the air inlet is overlapped with the axis of gas outlet.
By adopting above-mentioned technical proposal, when steam is input into into air inlet, steam is subject to thrust forward, steams part
Vapour can reduce the move distance of steam directly through heat exchange core is to gas outlet and discharges, and reduce thermal losses.
The utility model is more preferably：The housing includes shell body and is respectively arranged at shell body two ends and shell
The front head and rear head of body flange connection.
By adopting above-mentioned technical proposal, housing is set to it is detachable, in being easy to the maintenance and heat exchanger of heat exchanger
The replacing of part.
In sum, a kind of heat exchanger of the utility model has simple structure, the characteristics of heat transference efficiency is high.
Description of the drawings
Fig. 1 is the structure chart of heat exchanger in embodiment 1；
Fig. 2 is the front view of heat exchanger；
Fig. 3 is the top view of heat exchanger；
Fig. 4 is the sectional view of A-A in Fig. 3；
Fig. 5 is the front view of heat exchange core；
Fig. 6 is the structure chart of heat exchange core；
Fig. 7 is heat exchanger front view in embodiment 2；
Fig. 8 is the sectional view of B-B in Fig. 7.
Reference：1st, housing；11st, front head；12nd, shell body；13rd, rear head；2nd, footing；3rd, heat exchange core；31st, exchange heat
Pipe；32nd, connected component；4th, water inlet；5th, delivery port；6th, air inlet；7th, gas outlet；8th, leak detection mouth；9th, exhaust outlet；10th, deflection plate；
101st, through hole；14th, cleaning pipe；141st, apopore.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment 1：In the present embodiment, heat exchanger is mainly used in the waste heat recovery of boiler waste vapour, and waste vapour Jing desuperheats subtract
From input heat exchanger in air inlet 6 after depressor pressure and temperature reducing；Condensed water Jing water inlets 4 enter heat exchanger, and heat occurs with waste vapour
Amount is exchanged, and the condensed water after heating is exported to drain tank from delivery port 5 and recycled.
As shown in Figure 1 to Figure 2, a kind of heat exchanger, including housing 1, the lower section of housing 1 is used to support the footing 2 of housing 1.Shell
Body 1 includes shell body 12 and is respectively arranged at the two ends front head 11 of shell body 12 and rear head 13, front head 11 and rear head
13 are fixedly connected respectively with shell body 12 by flange.
As shown in figure 3, housing 1 is respectively provided on two sides with air inlet 6 and gas outlet 7, it is so that complete with heat exchange core 3 in housing 1
Steam into heat exchange can be exported faster, can be overlapped the axis of air inlet 6 with the axis of gas outlet 7, make steam exist
Directly exported from gas outlet 7 by after the thrust of rear steam.
As shown in Figs. 4-6, it is provided with the heat exchange core 3 for holding cold carrier fluid in housing 1, heat exchange core 3 includes some parallel set
The heat exchanger tube 31 put and it is arranged between heat exchanger tube 31 and is used for the connected component 32 for connecting heat exchanger tube 31.The end part of heat exchanger tube 31
Water inlet 4 and delivery port 5 are not provided with, and water inlet 4 and delivery port 5 are fixed on the end of housing 1, in the present embodiment, will enter
The mouth of a river 4 and delivery port 5 are all disposed within front head 11.Using the gravity of fluid itself, fluid in heat exchange core 3 can be enable more
Fast movement, therefore water inlet 4 is arranged at into the top of delivery port 5.To cause heat exchange core 3 preferably to contact with steam, will can enter
The mouth of a river 4 higher than air inlet 6 or flushes setting with air inlet 6.
It is provided with some deflection plates 10 for supporting heat exchanger tube 31 in housing 1 simultaneously, deflection plate 10 is fixed with housing 1 and connected
Connect.And deflection plate 10 is provided with some through holes 101 for placing heat exchange core 3, through hole 101 it is straight with diameter greater than heat exchanger tube 31
Footpath, enables steam to pass through through hole 101 and outwards transmits.Move to through hole 101 for preferably guiding steam, deflection plate 10 is inclined
Arrange.
After heat exchanger is using terminating, because a part of steam is remained in heat exchanger, it is impossible to discharged by gas outlet 7, can
The exhaust outlet 9 for being easy to steam to discharge is set in the top of housing 1, and exhaust outlet 9 is provided with the valve that control exhaust outlet 9 is opened and closed.
As shown in figure 4, the lower section of housing 1 is provided with leak detection mouth 8, and mouth 8 of hunting leak is arranged on the middle part of housing 1, and mouth 8 of hunting leak and sets
There is the valve opened and closed for control leak detection mouth 8.Front because using in heat exchanger, the sealing for needing heat exchanger is detected, typically
Detected by the water flowing in housing 1, after detection is completed, by hunting leak, mouth 8 discharges in water；Simultaneously heat exchanger is worked
Cheng Zhong, a part of steam can condense into water, also can be discharged by leak detection mouth 8.
To enable the liquid being located in housing 1 to flow to leak detection mouth 8 automatically, the inwall of the lower section of housing 1 can be inclined and be set
Put, and least significant end is located at leak detection mouth 8, refers to the enlarged drawing in Fig. 4.
Embodiment 2：Compared to embodiment 1, in embodiment 2 cleaning device is additionally arranged.Because of the hot fluid being passed through in heat exchanger
For waste vapour, after the cold flow body generation heat exchange in waste vapour and heat exchange core 3, a part of dirt can be condensed on heat exchange core 3, it is difficult to clear
Reason, if things go on like this, can not only affect the heat exchange efficiency of heat exchanger, increase energy resource consumption, while also easily corroding heat exchange core 3 and shell
Body 1.
As shown in FIG. 7 and 8, be provided with cleaning device in heat exchanger, cleaning device to be arranged in heat exchanger and parallel to
The cleaning pipe 14 that heat exchanger tube 31 is arranged, cleaning pipe 14 is positioned on deflection plate 10.To reach more preferable cleaning effect, cleaning can be made
Pipe 14 is located at the top of heat exchanger tube 31.One end closing of cleaning pipe 14, the other end is connected with the water pipe in the external world, cleans the outer of pipe 14
Some apopores 141 have been evenly arranged on wall.During cleaning, water under high pressure enters cleaning pipe 14 by water pipe, and by each cleaning
The apopore 141 arranged on pipe 14, forms spurting current, and the dirt to being attached on the outer wall of heat exchange core 3 is rinsed.Be up to
To more preferable cleaning effect, some cleaning pipes 14 can be set.In the present embodiment, it is provided with clearly in the both sides of the top of heat exchanger tube 31
Clean pipe 14.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from the utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of heat exchanger, including housing（1）And it is arranged at housing（1）Lower section is used to support housing（1）Footing（2）, its
It is characterized in that：The housing（1）Inside it is provided with the heat exchange core for holding cold carrier fluid（3）, the heat exchange core（3）Head end and tail end point
Water inlet is not provided with it（4）And delivery port（5）, and water inlet（4）And delivery port（5）It is individually fixed in housing（1）End, it is described
Housing（1）It is respectively provided on two sides with air inlet（6）With gas outlet（7）.
2. heat exchanger according to claim 1, is characterized in that：The heat exchange core（3）Including some heat exchange be arrangeding in parallel
Pipe（31）And it is arranged at heat exchanger tube（31）Between for connecting heat exchanger tube（31）Connected component（32）, heat exchanger tube（31）Respectively with
Water inlet（4）And delivery port（5）It is connected.
3. heat exchanger according to claim 1, is characterized in that：The housing（1）Lower section is provided with leak detection mouth（8）.
4. heat exchanger according to claim 1, is characterized in that：The housing（1）Top is provided with the row for being easy to steam to discharge
Gas port（9）.
5. heat exchanger according to claim 2, is characterized in that：The housing（1）Inside it is fixed with deflection plate（10）, it is described
Deflection plate（10）It is provided with some for placing heat exchange core（3）Through hole（101）, and through hole（101）Diameter path length more than changing
Heat pipe（31）Diameter path length.
6. heat exchanger according to claim 5, is characterized in that：The deflection plate（10）It is obliquely installed.
7. heat exchanger according to claim 1, is characterized in that：The water inlet（4）Positioned at delivery port（5）Top.
8. heat exchanger according to claim 1, is characterized in that：The water inlet（4）Higher than air inlet（6）Or and air inlet
（6）Flush.
9. heat exchanger according to claim 1, is characterized in that：The air inlet（6）Axis and gas outlet（7）Axis
Overlap.
10. heat exchanger according to claim 1, is characterized in that：The housing（1）Including shell body（12）And set respectively
It is placed in shell body（12）Two ends respectively with shell body（12）The front head of flange connection（11）And rear head（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621132776.XU CN206160772U (en) | 2016-10-17 | 2016-10-17 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621132776.XU CN206160772U (en) | 2016-10-17 | 2016-10-17 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206160772U true CN206160772U (en) | 2017-05-10 |
Family
ID=58654963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621132776.XU Expired - Fee Related CN206160772U (en) | 2016-10-17 | 2016-10-17 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206160772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539808A (en) * | 2018-12-04 | 2019-03-29 | 宁夏森源重工设备有限公司 | A kind of mineral hot furnace Forced water cooling exhaust gas cleaner |
-
2016
- 2016-10-17 CN CN201621132776.XU patent/CN206160772U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539808A (en) * | 2018-12-04 | 2019-03-29 | 宁夏森源重工设备有限公司 | A kind of mineral hot furnace Forced water cooling exhaust gas cleaner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20191017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |