CN107764125A - Heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators - Google Patents
Heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators Download PDFInfo
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- CN107764125A CN107764125A CN201711094522.2A CN201711094522A CN107764125A CN 107764125 A CN107764125 A CN 107764125A CN 201711094522 A CN201711094522 A CN 201711094522A CN 107764125 A CN107764125 A CN 107764125A
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- Prior art keywords
- heat exchanger
- cap
- discharge opeing
- tube
- exchanger tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/04—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a kind of heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators, it is related to technical field of heat exchangers, the heat exchanger tube includes body and discharge opeing cap, and discharge opeing cap includes through hole；Body passes through through hole, is connected with discharge opeing cap；Discharge opeing cap is set on the outer wall of body by through hole；When body is in upright state, the area of end section is less than the area of lower end section on discharge opeing cap；Section is perpendicular to body.Heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators provided in an embodiment of the present invention, discharge opeing cap is provided with body, discharge opeing cap is set on the outer wall of body by through hole, when body is in upright state, the area of end section is less than the area of lower end section on discharge opeing cap, condensed water is stopped by discharge opeing cap and water conservancy diversion, can reduce the thickness of the condensate liquid outside heat exchanger tube, the average condensation coefficient of heat exchanger tube is improved, improves heat exchange efficiency.
Description
Technical field
The present invention relates to technical field of heat exchangers, is steamed more particularly, to a kind of heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tubes
Send out device.
Background technology
Shell-and-tube heat exchanger (shell and tube heat exchanger) is also known as tubular heat exchanger, is to close
Dividing wall type heat exchanger of the wall restrained in the housing as heat-transfer area.This heat exchanger structure is simple, low cost, flow area
It is wider, be readily cleaned incrustation scale, can be manufactured, can be used under high temperature, high pressure, mesh with various structural materials (mainly metal material)
Before be widely used.
Current main shell-and-tube heat exchanger is all light pipe type heat exchanger, and often heat exchange efficiency is low for this heat exchanger.It is former
Because being that heat transfer is passed in pipe outside heat exchanger tube, to pass through outside heat exchanger tube one layer distills moisture film, then by metal pipe-wall
It could be absorbed by the material in pipe, and the thermal resistance that the presence for distilling moisture film improves heat exchanger tube causes heat exchanger tube heat exchange efficiency
It is low.
For above-mentioned heat exchanger tube heat exchange efficiency it is low the problem of, not yet propose effective solution at present.
The content of the invention
In view of this, it is an object of the invention to provide a kind of heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators,
To improve heat exchange efficiency.
In a first aspect, the embodiments of the invention provide a kind of heat exchanger tube, including body and discharge opeing cap, discharge opeing cap includes logical
Hole；Body passes through through hole, is connected with discharge opeing cap；Discharge opeing cap is set on the outer wall of body by through hole；It is in and erects in body
During state, the area of end section is less than the area of lower end section on discharge opeing cap；Section is perpendicular to body.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, on
Discharge opeing cap is stated including multiple.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide second of first aspect
Possible embodiment, wherein, multiple discharge opeing caps are in the first-class interval setting of body.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the third of first aspect, wherein, lead to
The internal diameter in hole is equal to the external diameter of body.
With reference to the third possible embodiment of first aspect, the embodiments of the invention provide the 4th of first aspect kind
Possible embodiment, wherein, the area of upper end section is more than or equal to the sectional area of body.
With reference to one of first aspect and its first to fourth kind of possible embodiment, the embodiments of the invention provide first party
The 5th kind of possible embodiment in face, wherein, the upper end section of discharge opeing cap and lower end section are circle；Discharge opeing cap also includes
Inclined surface, the upper end section of inclined surface connection and lower end section.
With reference to one of first aspect and its first to fourth kind of possible embodiment, the embodiments of the invention provide first party
The 6th kind of possible embodiment in face, wherein, discharge opeing cap is removably connected with body.
With reference to one of first aspect and its first to fourth kind of possible embodiment, the embodiments of the invention provide first party
The 7th kind of possible embodiment in face, wherein, discharge opeing cap also includes fixing device, and discharge opeing cap is fixed on pipe by fixing device
On the outer wall of body.
Second aspect, the embodiment of the present invention also provide a kind of shell-and-tube heat exchanger, including housing, tube sheet and first aspect and
The heat exchanger tube that one of its each possible embodiment provides；The both ends of heat exchanger tube are fixedly installed on tube sheet, tube sheet fixed setting
In in housing.
The third aspect, the embodiment of the present invention also provide a kind of MVR vertical tube evaporators, including the shell-and-tube that second aspect provides
Heat exchanger.
The embodiment of the present invention brings following beneficial effect：
Heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators provided in an embodiment of the present invention, the row of being provided with body
Liquid cap, discharge opeing cap are set on the outer wall of body by through hole, when body is in upright state, the face of end section on discharge opeing cap
Product is stopped and water conservancy diversion to condensed water by discharge opeing cap less than the area of lower end section, can reduce the condensation outside heat exchanger tube
The thickness of liquid, the average condensation coefficient of heat exchanger tube is improved, improves heat exchange efficiency.
Other feature and advantage of the disclosure will illustrate in the following description, or, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or the above-mentioned technology by implementing the disclosure can be learnt.
To enable the above-mentioned purpose of the disclosure, feature and advantage to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of heat exchanger tube provided in an embodiment of the present invention；
Fig. 2 is the structural representation of another heat exchanger tube provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another heat exchanger tube provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic top plan view of heat exchanger tube provided in an embodiment of the present invention；
Fig. 5 is a kind of contrast schematic diagram of the water film thickness of heat exchanger tube provided in an embodiment of the present invention；
Fig. 6 is the moisture film schematic diagram of heat exchanger tube provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
The housing of shell-and-tube heat exchanger is mostly cylindrical shape, and inside is fixed on tube sheet equipped with tube bank, tube bank both ends.Changed
Cold and hot two kinds of fluids of heat, one kind is in Bottomhole pressure, referred to as tube side fluid；Another kind flows outside pipe, referred to as shell-side fluid.For
The individual heat transfer coefficient of extratubal fluid is improved, some baffle plates are generally installed in housing.Baffle plate can improve shell-side fluid speed, force
Fluid, repeatedly laterally across tube bank, strengthens fluid turbulent degree by regulation distance.Heat exchanger tube can be by equilateral triangle on tube sheet
Or square arrangement.Triangular arranged is compacter, and extratubal fluid less turbulence is high, and individual heat transfer coefficient is big；Square arrangement
Then pipe is outer easy to clean, suitable for the fluid of easy fouling.
During the use of heat exchanger, one layer of distillation moisture film can be condensed in the outer wall of heat exchanger tube.In heat transfer from pipe
The distillation moisture film, it is necessary to outside by pipe is passed to when in pipe outside, then could be absorbed by metal pipe-wall by the material in pipe.With normal
Press, exemplified by 100 degree of temperature, the thermal conductivity of distilled water is λ1=0.682w/ (m*k), and the thermal conductivity of stainless steel is λ2=16.2w/
(m*k), it can be seen that the thermal conductivity of stainless steel is 23 times of distilled water.In other words, under same external condition, heat is worn
The resistance for crossing 1mm distilled water liquid film and the stainless steel through 23mm is identical.Therefore the thermal resistance of heat exchanger mostlys come from
The thermal resistance of distilled water liquid film outside pipe.In order to reduce the thermal resistance of distilled water liquid film, so as to reduce the overall thermal resistance of heat exchanger tube, to carrying
The performance of high heat exchanger is most important.
Based on this, a kind of heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators provided in an embodiment of the present invention can be with
Reduce the thickness of the condensate liquid outside heat exchanger tube, improve heat exchange efficiency.
For ease of understanding the present embodiment, a kind of heat exchanger tube disclosed in the embodiment of the present invention is carried out first detailed
Introduce.
Embodiment 1
The embodiments of the invention provide a kind of heat exchanger tube, including body and discharge opeing cap.The knot of heat exchanger tube shown in Figure 1
Structure schematic diagram, it illustrated therein is body 11 and discharge opeing cap 12.
Also show discharge opeing cap 12 in Fig. 1 includes through hole 121, and above-mentioned tubular body 11 passes through through hole 121, connected with discharge opeing cap 12
Connect.Discharge opeing cap 12 is set in by through hole 121 on the outer wall of body 11, and the outer wall of the through hole 121 and body 11 is in close contact, can
With the moisture film stopped and on the outer wall of introduction pipe body 11, the purpose for reducing water film thickness is played.
Body 11 as shown in Figure 1 be in upright state, and the area of end section is less than lower end section on discharge opeing cap 12
Area, its middle section refer to discharge opeing cap perpendicular to the section of body.
Figure 1 illustrates heat exchanger tube in exemplified by 1 discharge opeing cap is set, discharge opeing cap is up-thin-low-thick shape, to draw
Conduction cooling condensate is outwards dripped, rather than is gone downstream along body, causes moisture film thickening.Body is equal to the internal diameter of through hole in Fig. 1
External diameter, i.e. discharge opeing cap do not include the end face of upper end, and the discharge opeing cap shaped is similar to the bowl-type of back-off, or umbrella shape.As shown in Figure 2
The structural representation of heat exchanger tube, there is shown with discharge opeing cap include upper end section 21, and the area of upper surface is less than lower end section
22.The structural representation of heat exchanger tube as shown in Figure 3, illustrated therein is discharge opeing cap includes upper end section 31 and lower end section 32,
It is not the section of special discharge opeing cap lower side to understand above-mentioned lower end section, can also refer to the section in discharge opeing cap centre position, as long as
Ensure that the discharge opeing cap has inclined outer wall guided condensation flow dynamic.In above-mentioned Fig. 2 and Fig. 3, the upper end section of discharge opeing cap
It is circle with lower end section；Discharge opeing cap also includes inclined surface, the upper end section of inclined surface connection and lower end section.
Herein it should be noted that can be between discharge opeing cap and body it is hollow can also be entity.Above-mentioned discharge opeing
For cap in addition to it can use the bowl-type or umbrella shape of similar back-off, the profile in its section can also use other shapes, such as just
Square, rectangle or ellipse etc., the schematic top plan view of heat exchanger tube shown in Figure 4, discharge opeing cap 12 are illustrated therein is as pros
Shape.
The contrast schematic diagram of the water film thickness of heat exchanger tube shown in Figure 5, left side is is provided with discharge opeing cap 12 in Fig. 5
Heat exchanger tube, right side are the heat exchanger tube for not installing discharge opeing cap 12.Due to the presence of discharge opeing cap 12, in the steaming that the upside of discharge opeing cap 12 condenses
Distilled water will not accumulate gradually, and the accumulation of distilled water can cause the thickness of moisture film gradually to increase from top to bottom, so as to effectively reduce
The thickness of moisture film.
In order to which the effect that the change to above-mentioned water film thickness is brought illustrates, derive as follows：
Assuming that liquid film surfacing is without fluctuation, as shown in fig. 6, vapor condenses on a vertical flat plate.Away from liquid film table
In plane at the y of face, following dynamic balance relation be present.
In formula：μ --- the viscosity of-lime set；
U---- is away from the liquid film speed that wall is at y, unit m/s；
ρlThe density of ----lime set, units/kg/m3；
ρvThe density of --- -- steam, units/kg/m3；
G------- acceleration of gravity, unit m/s2；
Above formula is integrated, and has boundary condition：During y=δ, u=0
The mean flow rate of lime set
The flow of the liquid film quality of unit width：
The mass velocity G of condensate liquid is：
Heat is by liquid film, its heat flux with heat-conducting mode
In formula：Q----- passes through the heat flux of liquid film, unit W/m2；
K1--- the thermal conductivity of lime set, unit W/ (m*K)；
ts--- the saturation temperature of steam, unit DEG C；
tw--- the temperature of heat transfer wall, unit DEG C；
Between heat flux q and the mass velocity of lime set, there is following relation：
Q=λ G (7)
In formula：The latent heat of vaporization of λ --- -- steam, unit kJ/kg；
It can be obtained by formula (5), (6), (7)：
It is constant on the right of formula (9), by boundary condition z=0, δ=0, integration type (9) obtains：
By formula (7), partial condensation heat transfer coefficientFormula (10) is updated to obtain：
Partial condensation heat transfer coefficient hc, change with heat-transfer area degree z, and the average condensation heat transfer in whole vertical walls
CoefficientFor：
In formula：Average condensation coefficient on --- -- whole heat transfer wall, unit W2/(m2*K)；
The height of the vertical heat transfer walls of L-------, unit m；
Obtained by formula (10), (11)
From above formula, as L and (ts-tw) increase when, average condensation coefficient reduces, because L and (ts-tw)
During increase, the upper liquid film average thickness increase of heat transfer wall, so as to increase thermal resistance, causeDecline.
Such as on the heat exchanger tube that a root long is L, in the case where other conditions are all constant, a row is installed at the middle point
Liquid cap, L/2 can be reduced to by effective length by being mounted with the heat exchanger tube of discharge opeing cap, be had by formula 12：
That is, it is mounted with the average condensation coefficient of the heat exchanger tube of discharge opeing cap more than the heat exchanger tube for not installing discharge opeing cap
Average condensation coefficient, is approximately its 1.1 times, therefore can improve heat conduction, improves the heat exchange efficiency of heat exchanger tube.
Similarly have, if being installed n discharge opeing cap, its n+1 decile then has
Discharge opeing cap can improve the condensation efficiency of condensation side with relatively having amplitude as can be seen from the above table, while it can also be seen that,
The number of discharge opeing cap is more, and condensation efficiency is higher.But the number of increase discharge opeing cap, the increased amplitude of condensation efficiency can reduce.
Therefore multiple discharge opeing caps can be set on heat exchanger tube, reduce L value, so as to improve average condensation coefficient, and then can be with
Improve the heat exchange efficiency of heat exchanger tube.
The quantity of discharge opeing cap is considered to the effect and cost of the average condensation coefficient of raising, can be on heat exchanger tube
6-8 discharge opeing cap is set.For example, the length of heat exchanger tube is 3m-12m, 500mm-800mm can be spaced one discharge opeing cap is set.
Wherein, discharge opeing cap can be in the first-class interval setting of body.
For the ease of using and conveniently manufacturing, discharge opeing cap is removably connected with body.Above-mentioned discharge opeing cap may be used also
To be fixed on including fixing device, discharge opeing cap by the fixing device on the outer wall of body.Such as the fixing device can be pipe
Card.
Heat exchanger tube provided in an embodiment of the present invention, is provided with discharge opeing cap on body, and discharge opeing cap is set in pipe by through hole
On the outer wall of body, when body is in upright state, the area of end section is less than the area of lower end section on discharge opeing cap, passes through row
Condensed water is stopped liquid cap and water conservancy diversion, can reduce the thickness of the condensate liquid outside heat exchanger tube, improves the average cold of heat exchanger tube
Solidifying heat transfer coefficient, improves heat exchange efficiency.
Embodiment 2
The embodiments of the invention provide a kind of shell-and-tube heat exchanger, including changing of providing of housing, tube sheet and above-described embodiment
Heat pipe.
Wherein, the both ends of the heat exchanger tube are fixedly installed on tube sheet, and the tube sheet is fixedly installed in housing.
Shell-and-tube heat exchanger provided in an embodiment of the present invention, the heat exchanger tube provided with above-described embodiment have identical technology
Feature, so can also solve identical technical problem, reach identical technique effect.
Embodiment 3
The embodiments of the invention provide a kind of MVR vertical tube evaporators, including the shell-and-tube heat exchanger that above-described embodiment provides.
MVR vertical tube evaporators provided in an embodiment of the present invention, the shell-and-tube heat exchanger provided with above-described embodiment have phase
Same technical characteristic, so can also solve identical technical problem, reaches identical technique effect.
Unless specifically stated otherwise, part and the relative step of step, the digital table otherwise illustrated in these embodiments
It is not limit the scope of the invention up to formula and numerical value.
In the above-mentioned all examples for showing and describing, any occurrence should be construed as merely exemplary, rather than
As limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In several embodiments provided by the present invention, it should be understood that disclosed systems, devices and methods, can be with
Realize by another way.Device embodiment described above is only schematical, for example, the division of the unit,
Only a kind of division of logic function, can there is other dividing mode when actually realizing, in another example, multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or beg for
The mutual coupling of opinion or direct-coupling or communication connection can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
Finally it should be noted that：Embodiment described above, it is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of heat exchanger tube, it is characterised in that including body and discharge opeing cap, the discharge opeing cap includes through hole；
The body passes through the through hole, is connected with the discharge opeing cap；
The discharge opeing cap is set in by the through hole on the outer wall of the body；
When the body is in upright state, the area of end section is less than the area of lower end section on the discharge opeing cap；It is described
Section is perpendicular to the body.
2. heat exchanger tube according to claim 1, it is characterised in that the discharge opeing cap includes multiple.
3. heat exchanger tube according to claim 2, it is characterised in that multiple discharge opeing caps are set at equal intervals on the body
Put.
4. heat exchanger tube according to claim 1, it is characterised in that the internal diameter of the through hole is equal to the external diameter of the body.
5. heat exchanger tube according to claim 4, it is characterised in that the area of the upper end section is more than or equal to the pipe
The sectional area of body.
6. according to the heat exchanger tube described in claim any one of 1-5, it is characterised in that the upper end section of the discharge opeing cap and
The lower end section is circle；
The discharge opeing cap also includes inclined surface, and the inclined surface connects the upper end section and the lower end section.
7. according to the heat exchanger tube described in claim any one of 1-5, it is characterised in that the discharge opeing cap removably with the pipe
Body connects.
8. according to the heat exchanger tube described in claim any one of 1-5, it is characterised in that the discharge opeing cap also includes fixing device,
The discharge opeing cap is fixed on by the fixing device on the outer wall of the body.
9. a kind of shell-and-tube heat exchanger, it is characterised in that including the heat exchange described in housing, tube sheet and claim any one of 1-8
Pipe；
The both ends of the heat exchanger tube are fixedly installed on the tube sheet, and the tube sheet is fixedly installed in the housing.
10. a kind of MVR vertical tube evaporators, it is characterised in that including the shell-and-tube heat exchanger described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094522.2A CN107764125A (en) | 2017-11-08 | 2017-11-08 | Heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094522.2A CN107764125A (en) | 2017-11-08 | 2017-11-08 | Heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators |
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| Publication Number | Publication Date |
|---|---|
| CN107764125A true CN107764125A (en) | 2018-03-06 |
Family
ID=61272188
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094522.2A Pending CN107764125A (en) | 2017-11-08 | 2017-11-08 | Heat exchanger tube, shell-and-tube heat exchanger and MVR vertical tube evaporators |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594897A (en) * | 1982-06-29 | 1984-01-11 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| CN2098664U (en) * | 1991-07-11 | 1992-03-11 | 张继祖 | Heat exchanging fin |
| CN201266040Y (en) * | 2008-07-25 | 2009-07-01 | 山东美陵化工设备股份有限公司 | High-efficiency condensation pipe |
| CN202024645U (en) * | 2011-03-29 | 2011-11-02 | 四川电力建设三公司 | Pipe wall liquid film removal device for heat exchange pipe of vertical heat exchanger |
| CN206934982U (en) * | 2017-06-22 | 2018-01-30 | 浙江菲达环保科技股份有限公司 | A kind of condensate dust arrester |
-
2017
- 2017-11-08 CN CN201711094522.2A patent/CN107764125A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594897A (en) * | 1982-06-29 | 1984-01-11 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| CN2098664U (en) * | 1991-07-11 | 1992-03-11 | 张继祖 | Heat exchanging fin |
| CN201266040Y (en) * | 2008-07-25 | 2009-07-01 | 山东美陵化工设备股份有限公司 | High-efficiency condensation pipe |
| CN202024645U (en) * | 2011-03-29 | 2011-11-02 | 四川电力建设三公司 | Pipe wall liquid film removal device for heat exchange pipe of vertical heat exchanger |
| CN206934982U (en) * | 2017-06-22 | 2018-01-30 | 浙江菲达环保科技股份有限公司 | A kind of condensate dust arrester |
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Application publication date: 20180306 |