CN110307739A - A kind of self-cleaning antiscale plate heat exchanger - Google Patents
A kind of self-cleaning antiscale plate heat exchanger Download PDFInfo
- Publication number
- CN110307739A CN110307739A CN201910686035.8A CN201910686035A CN110307739A CN 110307739 A CN110307739 A CN 110307739A CN 201910686035 A CN201910686035 A CN 201910686035A CN 110307739 A CN110307739 A CN 110307739A
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- Prior art keywords
- heat exchanger
- exchanger plates
- plate
- self
- drop
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Abstract
The invention discloses a kind of self-cleaning antiscale plate heat exchangers, belong to field of heat exchangers.The heat exchanger includes heat exchanger plates, gasket seal, front standing pillar, fixed pressure plate, movable pressure plate, top guide bar, lower guide rod, fastening bolt, nut, the heat transfer zone of heat exchanger plates is made of water-drop-shaped flow-disturbing body unit, turbulent unit lateral side regions form variable section channel, significantly increase processing medium turbulivity, improve equipment heat exchange efficiency, stronger fluid shearing is formed in narrow flow path area simultaneously, removes the schmutzband of heat exchanger plates near wall area deposition.Processing medium forms stable Karman vortex street when flowing through turbulent unit tail region, and the schmutzband of exchange hot plate near wall area deposition carries out failure by shear during falling off, and realizes the self-cleaning anti-scaling function in equipment running process.The invention is distinguished for solving the dirt deposition general character problem effect that current plate heat exchanger is faced, and is remarkably improved equipment operating efficiency, realizes safe and stable, long-term operation.
Description
Technical field
The invention belongs to field of heat exchange equipment, concretely relate to a kind of new type of plate of achievable self-cleaning anti-scaling function
Formula heat exchanger.
Background technique
With the rapid development of the industrial revolution, world energy sources crisis increasingly sharpens, and various countries are that contention energy reserves expansion swashs
Strong competition, or even cause local war.Non-renewable energy effective rate of utilization and secondary energy sources recovery efficiency are how improved, is become
Great concern urgently to be resolved in the development process of countries in the world.In face of increasingly serious energy crisis, each industrial department pair in China
Energy-saving work proposes to be strict with, and explicitly point out it is energy saving be China fundamental state policy.
In recent years, plate heat exchanger because its heat exchange efficiency high (under the conditions of identical heat exchange area, 2-5 times higher than shell-and-tube),
Compact-sized (under the conditions of identical heat exchange power, volume accounting is the 1/5-1/2 of shell-and-tube), assembling is flexible, is easy to checking maintenance, makes
The features such as valence is lower is applied widely, pole in industrial circles such as petroleum, chemical industry, ship, aviation, food, medicine, light textiles
Secondary energy sources utilization rate is improved greatly, becomes the novel high-efficiency and energy-saving heat exchange equipment that countries in the world are fallen over each other research and development, promoted.It is board-like to change
For hot device mainly by sheet frame and plate Shu Zucheng, plate beam is the core heat exchange element of heat exchanger.After each heat exchanger plates successively stack, formed cold
The alternatively distributed fluid channel of hot fluid makes processing medium reach target temperature rise (temperature by the heat convection of medium and plate
Drop).In equipment running process, impurity contained in processing medium is deposited when flowing through heat exchanger plates diversion trench, is gradually being changed
Hotplate surface forms the schmutzband of larger thermal resistance, greatly reduces the coefficient of heat transfer between hot fluid-heat exchanger plates-cold fluid, drop
Low equipment overall operation efficiency, or even cause underdeposit corrosion risk, threaten the long period of equipment to be safely operated.
Summary of the invention
The purpose of the present invention is to provide a kind of self-cleaning antiscale plate heat exchangers, are faced with solving current plate heat exchanger
Sheet surface fouling, deposition general character problem.The heat transfer zone of heat exchanger plates is made of water-drop-shaped flow-disturbing body unit, on the one hand in its side
Face forms the variable fluid channel of instantaneous velocity, and amplified medium turbulence level improves heat transfer effect, while in its bottom wake zone shape
It is vortexed at toll bar, the self-cleaning function to plate is realized in stripping process.Plate heat exchanger provided by the invention can be significant
Plate heat exchange efficiency is improved, impurity deposition in fluid is reduced, to extend the equipment cycle of operation.
In order to achieve the above object, the technical solution adopted by the present invention is that: a kind of self-cleaning antiscale plate heat exchanger, including
Heat exchanger plates, gasket seal, front standing pillar, fixed pressure plate, movable pressure plate, top guide bar, lower guide rod, fastening bolt, nut.It is described
Spacer groove is set on heat exchanger plates, and gasket seal is fixed in the spacer groove on heat exchanger plates；The upper and lower side center of heat exchanger plates is equipped with
Groove, top guide bar, lower guide rod are respectively placed in the groove of heat exchanger plates, and the both ends of top guide bar and lower guide rod are individually fixed in fixation
On pressure plate and front standing pillar, heat exchanger plates are placed between fixed pressure plate and movable pressure plate, and solid by fastening bolt and nut
Fixed, nut is fixed on the outside of fixed pressure plate and movable pressure plate.The heat transfer zone of the heat exchanger plates is by water-drop-shaped turbulent list
Member composition, the central angle alpha of the water-drop-shaped turbulent unit header minor radius circle1It is 60 °, the central angle of bottom large radius circle
α2It is 120 °.
Further, adjacent heat exchange plate spacing d meets:
d≥8.46×104μns/q (1)
Wherein, μ is fluid kinematic viscosity；N is every process port number；S is channel cross-section；Q is processing medium mass flow.
Further, the height h of the water-drop-shaped flow-disturbing body unit of the heat exchanger plates heat transfer zone meets:
Further, the water-drop-shaped flow-disturbing body unit longitudinal length L1For 30mm, head radius r1For 8mm, bottom radius
r2For 12mm.
Further, water-drop-shaped flow-disturbing body unit angle of inclination beta is 60 °, and is distributed with heat exchanger plates vertical center line bilateral symmetry.
Further, the spacing distance L between adjacent water-drop-shaped flow-disturbing body unit longitudinal axis2For 30mm, each column is adjacent
Spacing distance L between flow-disturbing unit3For 8mm.
Further, heat, cold fluid are carried out between the heat exchanger plates that water-drop-shaped streams body unit composition using U-shaped reflux type
Flowing.
The invention has the advantages that: the present invention is created by core element-heat exchanger plates to plate heat exchanger
New design, with water-drop-shaped flow-disturbing body unit instead of now widely used herringbone runner, single, constant flow cross-section is changed
For variable flow cross-section along longitudinal direction, variation scale of the processing medium in channel is significantly enhanced, makes fluid at lower speeds
Complete the transformation from " right-angled intersection stream " to " complications stream ".Meanwhile in flow-disturbing unit tail region, the card of antisymmetry arrangement is formed
Door is vortexed, and hot plate near wall is exchanged in vortex stripping process and is washed away strongly, plate face dirt deposits are peeled off, realizes heat exchange
Self-cleaning function in equipment running process.Further, since flow-disturbing unit is increasingly complex compared with herringbone runner, so that processing medium
Turbulence level in flow process significantly increases, and then improves the coefficient of heat transfer of heat exchanger plates, can ensure that equipment is whole efficiently, pacify
Entirely, long-term operation.
Detailed description of the invention
A kind of self-cleaning antiscale plate heat exchanger front view of Fig. 1；
Wherein, heat exchanger plates 1, gasket seal 2, front standing pillar 3, fixed pressure plate 4, movable pressure plate 5, top guide bar 6, fastening spiral shell
Bolt 7, nut 8, lower guide rod 9；
A kind of self-cleaning antiscale plate heat exchanger side view of Fig. 2；
Fig. 3 has the heat exchanger plates structure chart of water-drop-shaped flow-disturbing body unit；
Fig. 4 water-drop-shaped turbulent cellular construction scale diagrams；
Fig. 5 plate heat exchanger self-cleaning effect experiment schematic diagram provided by the present invention；
Fig. 6 plate heat exchanger provided by the present invention and existing heat exchanger clean contrast and experiment.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, a kind of self-cleaning antiscale plate heat exchanger provided by the present invention, including heat exchanger plates 1, gasket seal
2, front standing pillar 3, fixed pressure plate 4, movable pressure plate 5, top guide bar 6, lower guide rod 9, fastening bolt 7, nut 8.The heat exchanger plates 1
Upper setting spacer groove, gasket seal 2 are fixed in the spacer groove on heat exchanger plates 1；The upper and lower side center of heat exchanger plates 1 is equipped with recessed
Slot, top guide bar 6, lower guide rod 9 are respectively placed in the groove of heat exchanger plates 1, and the both ends of top guide bar 6 and lower guide rod 9 are individually fixed in
On fixed pressure plate 4 and front standing pillar 3, heat exchanger plates 1 are placed between fixed pressure plate 4 and movable pressure plate 5, and pass through fastening bolt
7 and nut 8 it is fixed, nut 8 is fixed on the outside of fixed pressure plate 4 and movable pressure plate 5.The heat transfer zone of the heat exchanger plates 1 by
Water-drop-shaped flow-disturbing body unit composition.
As shown in Fig. 2, heat, cold fluid respectively from import A, C enter, in fluid channel with plate heat exchange after from outlet D,
B outflow heat exchanger, medium runner are U-shaped.
It is assumed that equipment running process hot fluid mass flow is q1, density ρ1, dynamic viscosity coefficient μ1, every process is logical
Road number is n, and single channel cross-sectional area is s, and adjacent plate spacing is d, and l is wetted perimeter length, and single channel equivalent diameter is L.Therefore,
Hot fluid medium flow velocity V in channel1Meet: V1=q1/(3600ns) (3)
Reynolds number R between platee1Meet: Re1=ρ1V1L/μ1 (4)
Single channel equivalent diameter L meets: L=4s/l=2d (5)
When fluid media (medium) flows through flow-disturbing unit, the flow morphology of tail region is mainly determined by Reynolds number.When Reynolds number is big
When 47, streams unit tail region and form stable toll bar vortex.Formula (3), (5) are substituted into formula (4), obtain zone of heat liberation
Plate spacing d1Meet:
d1≥8.46×104μns/q1 (6)
Similarly, cold fluid pass plate spacing d2Meet:
d2≥8.46×104μns/q2 (7)
If making to be respectively formed stable toll bar vortex in heat exchange equipment everywhere, plate spacing d is d1、d2In the larger value.
The height h of the water-drop-shaped flow-disturbing body unit of heat exchanger plates (1) heat transfer zone meets:
Fig. 3 show the heat exchanger plates with water-drop-shaped flow-disturbing body unit.Water-drop-shaped flow-disturbing body unit is arranged with 60 ° of inclination angles
When, it is ensured that the contact density of heat transfer zone is maximum, thus make fluid media (medium) realized at lower speeds when being flowed in channel from
" right-angled intersection stream " arrives the transformation of " turnover stream ", to guarantee that there is heat exchanger the biggish coefficient of heat transfer and reasonable flowing to press
Drop.
Nowed forming of the fluid media (medium) between plate in channel is turbulent flow, and turbulence is able to satisfy:
K=0.0384/Re0.25 (8)
Tubulence energy dissipative shock wave are as follows:
ε=k3/2·Cμ 3/4/0.03 (9)
CμFor dissipation factor, being worth is 0.09.There is instantaneous pulsation, ripple frequency meets when fluid media (medium) flows between plate:
f0=ε/(Cμ·k) (10)
During media flow, by water-drop-shaped flow-disturbing body unit, Karman vortex street, shedding frequence are formed in tail region
Meet:
f1=Sr·V/D (11)
Wherein, SrFor Strouhal number, as Re < 105When, Sr=0.21；D is that water-drop-shaped turbulent cell width (takes
The widest part).When the shedding frequence of vortex street is equal with fluid flowing ripple frequency, optimal heat transfer effect can reach.At this point, through
It calculates, D meets:
[q/17142.86ns × (2 ρ Vd/ μ) ^ (1/8)]/[0.0384^ (1/2) × 0.09^ (- 1/4)] (12) D=
Petroleum, the Atmospheric vacuum of chemical company, in hydrogenation plant, processing medium flowing velocity is less than 1m/s in plate heat exchanger
When, plate heat exchanger operational efficiency is higher.Therefore, taking media flow speed is 0.85m/s, and adjacent plate spacing is 8mm, at this point,
Water-drop-shaped turbulent cell width is 20.7mm.
As shown in figure 4, width D=2r of water-drop-shaped flow-disturbing body unit2×sin(0.5α2), take α2=120 °, then r2For
12mm.At this point, stable Karman vortex street can be formed in tail region, and the ripple frequency phase of its shedding frequence and fluid media (medium)
Closely, the higher operational efficiency of heat exchange equipment has been ensured.
The head zone of water-drop-shaped flow-disturbing body unit primarily serves shunting function, therefore its central angle is 60 °, radius 8mm,
Ensure that the on-way resistance generated in fluid diversion procedure is smaller.If head zone central angle and radius are too large or too small, all will
Cause the on-way resistance of process fluid flow larger, so as to cause equipment energy consumption increase.
In heat exchanger installation process, adjacent heat exchanger plates are in 180 ° of horizontal inversions, to ensure water hot, in cold fluid pass
Drop shape flow-disturbing body unit is interspersed, therefore its fore-and-aft distance is 30mm；Meanwhile each column water-drop-shaped turbulent unit interval distance
For 8mm, ensureing can sufficiently develop after Karman vortex street falls off, and then that realizes exchange hot plate washes away scale removal.If spacing distance mistake
Small, then Karman vortex street cannot sufficiently develop, and lead to the dirt deposits that cannot effectively remove heat exchanger plates；If interval is excessive, toll bar
Kinetic energy dissipation is excessive after vortex-shedding, and on-way resistance drop is caused to increase.
Above-mentioned specific embodiment is used to explain the present invention, rather than limits the invention, in spirit of the invention
In scope of protection of the claims, to any modifications and variations that the present invention makes, protection scope of the present invention is both fallen within.
Embodiment
Plate heat exchanger is because of its higher coefficient of heat transfer, compact structure, lower manufacturing cost, in petroleum, chemical industry, food
The industrial departments such as product obtain increasingly extensive application.The R&D and promotion that novel plate heat exchanger is paid much attention in countries in the world is answered
With, be greatly facilitated industrial circle device upgrade and production capacity structural adjustment.In the application process of plate heat exchanger, it is restricted
The most common problem of the stable operation of long period is that heat exchange efficiency caused by dirt deposition reduces and underdeposit corrosion risk.Processing medium
Contained in granulometric impurity in flow process, deposition can be generated by encountering at the structural mutations such as groove, gradually form thermal resistance compared with
Big schmutzband seriously affects the overall heat exchange efficiency of equipment.Moreover, schmutzband is covered on metal heat-exchange plate, closing is formed
Electrochemical corrosion environment, under non-neutral electrolyte environment cause heat exchanger plates burn into be thinned, perforation, leakage, cause equipment to be lost
Effect or even initiating device unplanned shutdown and safety accident.
The present invention provides a kind of self-cleaning antiscale plate heat exchangers.By core element-heat exchanger plates of heat exchanging device into
Existing herringbone straight channel or wide wavy channel are changed into water-drop-shaped flow-disturbing body unit, in unit tail by row innovative design
Region forms the Karman vortex street of antisymmetry arrangement, and exchange hot plate is sheared and washed away during so that it is fallen off, and plate face is deposited
Schmutzband removal, realize equipment running process in self-cleaning function.Moreover, because water-drop-shaped turbulent cell edges are spread
The presence at angle changes the instantaneous velocity moment in processing medium flow process, not only increases the turbulivity of fluid media (medium), and
And flow-disturbing unit side can be washed away and be sheared, remove the dirt deposition layer in channel.It is mentioned to evaluate the present invention
The self-cleaning effect of the plate heat exchanger of confession, comparison of design, principle are as shown in Figure 5.
Wherein, 1-1 is hot water storage tank, and 1-2 is heater, and 1-3 is heat-exchanger pump, and 1-4 is hot water flow regulating valve, and 1-5 is
Hot water stream meter；2-1 is cold water storage tank, and 2-2 is water supply pump, and 2-3 is cold water flow regulating valve, and 2-4 is cold water flow meter.Experiment
In the process, equidimension M25 plate-type heat exchanger part as a comparison is produced using certain company, with plate-type heat-exchange provided by the invention
The adapter tube of device, guiding region, heat transfer zone size are all the same, and unique difference is that M25 type heat exchanger plates are herringbone straight passage structures, and
Heat exchanger plates provided by the present invention are water-drop-shaped turbulent cellular construction.Two kinds of heat exchanger plates are alternately placed, and 1 × 10/ (1 × 10) is constituted
Process, wherein M25 type heat exchanger plates are thermal flow process, and heat exchanger plates provided by the invention are cold flow.In order to exclude temperature for fluid
The influence of particle, heat, cold water temperature are identical in experimentation, and contain micro- sand grain (0.1kg/L) of identical mass concentration.
According to experimental result (as shown in Figure 6), under different medium fluid condition, plate heat exchanger provided by the present invention
(NPHE) micro- grains of sand that plate face is deposited is much smaller than M25 plate-type heat exchanger.Moreover, when velocity of medium reaches 0.3m/s
When, the deposition of NPHE plate heat exchanger strongly reduces.Meanwhile after the heat exchange of NPHE plate heat exchanger, the hot-fluid body temperature in exit
Degree is 2 DEG C lower than M25 plate-type heat exchanger exit hot fluid temperature, shows NPHE plate heat exchanger heat exchange effect under identical working condition
Rate is higher.Therefore, self-cleaning antiscale plate heat exchanger provided by the present invention can effectively realize oneself in equipment running process
Cleaning function, to reduce the blocking of equipment deposition and underdeposit corrosion risk, it is ensured that the stable operation of long period.
Claims (7)
1. a kind of self-cleaning antiscale plate heat exchanger, which is characterized in that including heat exchanger plates (1), gasket seal (2), front standing pillar
(3), fixed pressure plate (4), movable pressure plate (5), top guide bar (6), lower guide rod (9), fastening bolt (7), nut (8)；It is described
Spacer groove is set on heat exchanger plates (1), and gasket seal (2) is fixed in the spacer groove on heat exchanger plates (1), above and below heat exchanger plates (1)
End center is all provided with fluted, and top guide bar (6), lower guide rod (9) are respectively placed in the groove of heat exchanger plates (1), top guide bar (6) and under
The both ends of guide rod (9) are individually fixed on fixed pressure plate (4) and front standing pillar (3), and heat exchanger plates (1) are placed in fixed pressure plate (4)
Between movable pressure plate (5), and it is fixed by fastening bolt (7) and nut (8), and nut (8) is fixed on fixed pressure plate (4)
With the outside of movable pressure plate (5).The heat transfer zone of the heat exchanger plates (1) is made of water-drop-shaped flow-disturbing body unit, the water-drop-shaped
The central angle alpha of turbulent unit header minor radius circle1It is 60 °, the central angle alpha of bottom large radius circle2It is 120 °.
2. self-cleaning antiscale plate heat exchanger according to claim 1, which is characterized in that adjacent heat exchanger plates (1) spacing d is full
Foot:
d≥8.46×104μns/q (1)
Wherein, μ is fluid kinematic viscosity；N is every process port number；S is channel cross-section；Q is processing medium mass flow.
3. self-cleaning antiscale plate heat exchanger according to claim 1, which is characterized in that heat exchanger plates (1) heat transfer zone
The height h of water-drop-shaped flow-disturbing body unit meets:
H=d/2 (2)
4. self-cleaning antiscale plate heat exchanger according to claim 1, which is characterized in that the water-drop-shaped flow-disturbing body unit
Longitudinal length L1For 30mm, head radius r1For 8mm, bottom radius r2For 12mm.
5. self-cleaning antiscale plate heat exchanger according to claim 1, which is characterized in that the water-drop-shaped flow-disturbing body unit
Angle of inclination beta is 60 °, and is distributed with heat exchanger plates (1) vertical center line bilateral symmetry.
6. self-cleaning antiscale plate heat exchanger according to claim 1, which is characterized in that adjacent water-drop-shaped flow-disturbing body unit
Spacing distance L between longitudinal axis2Spacing distance L for 30mm, between each column adjacent protrusion3For 8mm.
7. self-cleaning antiscale plate heat exchanger according to claim 1, which is characterized in that heat, cold fluid are streamed in water-drop-shaped
It is flowed between the heat exchanger plates (1) of body unit composition using U-shaped reflux type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910686035.8A CN110307739A (en) | 2019-07-28 | 2019-07-28 | A kind of self-cleaning antiscale plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910686035.8A CN110307739A (en) | 2019-07-28 | 2019-07-28 | A kind of self-cleaning antiscale plate heat exchanger |
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| Publication Number | Publication Date |
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| CN110307739A true CN110307739A (en) | 2019-10-08 |
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ID=68082338
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| CN201910686035.8A Pending CN110307739A (en) | 2019-07-28 | 2019-07-28 | A kind of self-cleaning antiscale plate heat exchanger |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694870A (en) * | 2021-09-30 | 2021-11-26 | 江苏航运职业技术学院 | Plate type heat exchange reactor |
| CN113834368A (en) * | 2021-10-22 | 2021-12-24 | 河北工业大学 | Three-dimensional variable cross-section turbulence column structure, heat exchange plate and heat exchanger core |
| RU2813402C1 (en) * | 2023-11-28 | 2024-02-12 | федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородский государственный технический университет им. Р.Е. Алексеева" (НГТУ) | Vortex heat exchanger |
-
2019
- 2019-07-28 CN CN201910686035.8A patent/CN110307739A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694870A (en) * | 2021-09-30 | 2021-11-26 | 江苏航运职业技术学院 | Plate type heat exchange reactor |
| CN113834368A (en) * | 2021-10-22 | 2021-12-24 | 河北工业大学 | Three-dimensional variable cross-section turbulence column structure, heat exchange plate and heat exchanger core |
| CN113834368B (en) * | 2021-10-22 | 2023-07-25 | 河北工业大学 | Three-dimensional variable cross-section vortex column structure, heat exchange plate and heat exchanger core |
| RU2813402C1 (en) * | 2023-11-28 | 2024-02-12 | федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородский государственный технический университет им. Р.Е. Алексеева" (НГТУ) | Vortex heat exchanger |
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