CN107328294A - Shell-and-plate heat exchanger liquid distribution mixing arrangement - Google Patents
Shell-and-plate heat exchanger liquid distribution mixing arrangement Download PDFInfo
- Publication number
- CN107328294A CN107328294A CN201710586194.1A CN201710586194A CN107328294A CN 107328294 A CN107328294 A CN 107328294A CN 201710586194 A CN201710586194 A CN 201710586194A CN 107328294 A CN107328294 A CN 107328294A
- Authority
- CN
- China
- Prior art keywords
- distributor pipe
- liquid distribution
- heat exchanger
- feed liquor
- spray nozzle
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
A kind of shell-and-plate heat exchanger liquid distribution mixing arrangement, includes the mounting structure of liquid distribution trough and liquid distribution trough；The liquid distribution trough is made up of the adapter of distributor pipe, inner spray nozzle and feed liquor, and distributor pipe is connected with feed liquor adapter, and distributor pipe is hollow and with the adapter of symmetrical round, and inner spray nozzle is arranged in the round；The outlet of the inner spray nozzle is long gap-like perforate, outside wall surface of its end face without departing from distributor pipe.The mounting structure of liquid distribution trough is：Arch top plate including biside plate and connection biside plate；The biside plate is provided with distributor pipe mounting hole, and arch ceiling center is provided with feed liquor adapter mounting hole, centered on the feed liquor adapter mounting hole, adjustable provided with deflector, the cavity that deflector is surrounded as guiding gutter in its surrounding；Distributor pipe is arranged in distributor pipe mounting hole.The present invention solves the problem of shell-and-plate heat exchanger fluid distribution apparatus can not spray and can not be sufficiently mixed.
Description
Technical field
The invention belongs to heat exchanger designs and manufacturing technology field, and in particular to shell-and-plate heat exchanger liquid distribution
Mixing arrangement.
Background technology
Heat-exchangers of the plate type is a kind of energy-efficient type heat exchanger, is widely used in the large scale industry occasion such as oil, petrochemical industry,
In recent years, develop extremely rapid.Liquid distribution device is a component in heat-exchangers of the plate type, and its effect is to spray liquid
It is spread across in another gaseous fluid, is uniformly distributed it.Existing liquid distribution device structure is excessively simple, the fluid of ejection into
Strand, does not have the effect of atomization, therefore is unable to reach dispersed effect；Expansion joint is connected to additionally, due to feed liquor adapter
On, and expansion joint thinner thickness, usual condition, liquid has certain internal pressure, and the feed liquor adapter of such structure is difficult to bear high pressure
Operation operating mode, the flow velocity of liquid is relatively low in feed liquor adapter in addition, and the liquid that nozzle is sprayed can not be atomized, and also not had uniform
The effect of distribution；The feed liquor adapter of other liquid distribution device is horizontally disposed, and plate beam is under the effect of expanding with heat and contract with cold, its longitudinal contraction
During deformation, will certainly cause to be attached thereto the deforming of expansion joint, it is damaged or even be broken, therefore liquid is difficult to reach with gaseous fluid
It is expected that mixed effect.
The content of the invention
The present invention provides a kind of shell-and-plate heat exchanger liquid distribution mixing arrangement, passes through the mist of strip gap-like nozzle
Change, the guiding for the guiding gutter that shell side low head is made up of deflector accelerates, and optimizes effective mixed problem of two media, simultaneously
Solve the easy blockage problem of conventional poroid nozzle.
The technical solution adopted in the present invention is：
A kind of shell-and-plate heat exchanger liquid distribution mixing arrangement, includes the installation knot of liquid distribution trough and liquid distribution trough
Structure；The liquid distribution trough is made up of the adapter of distributor pipe, inner spray nozzle and feed liquor, and distributor pipe is connected with feed liquor adapter, distributor pipe
To be hollow and with the adapter of symmetrical round, inner spray nozzle is arranged in the round；The outlet of the inner spray nozzle is long gap-like perforate,
Outside wall surface of its end face without departing from distributor pipe.
Further：
The section of the inner spray nozzle is the small takeover of hollow belt bellmouth.
The round and the inner spray nozzle in emptying, are arranged in the horizontal direction of distributor pipe.
The feed liquor adapter is made up of the straight length and middle pigtail at two ends.
The mounting structure of liquid distribution trough is：Arch top plate including biside plate and connection biside plate；Set on the biside plate
Be distributed pipe mounting hole, arch ceiling center is provided with feed liquor adapter mounting hole, centered on the feed liquor adapter mounting hole, its four
Week is adjustable provided with deflector, the cavity that deflector is surrounded as guiding gutter；Distributor pipe is arranged in distributor pipe mounting hole.
The present invention solves shell-and-plate heat exchanger fluid distribution apparatus and can not spray and well-mixed can not ask
Topic.Primary structure is made up of the part such as guiding gutter, distributor pipe and inner spray nozzle.Guiding gutter provides swiftly flowing outer fluid, interior
Put nozzle arrangements simple, it is easily manufactured, it is not easily blocked, operational reliability is high.The present invention is suitable as the reaction life of two media
Grow up to be a useful person.
Present invention can apply on the heat-exchangers of the plate type of the industries such as coal chemical industry, petroleum and petrochemical industry, nuclear power thermoelectricity.
Brief description of the drawings
Fig. 1 is fluid present invention structure of distributor schematic diagram；
Fig. 2 is A-A in Fig. 1 to cross-sectional view；
Fig. 3 is mounting structure schematic diagram of the invention；
Fig. 4 is overall structure diagram of the present invention.
Embodiment
The present invention and its effect are further illustrated below in conjunction with the accompanying drawings.
Reference picture 1,2, a kind of shell-and-plate heat exchanger liquid distribution mixing arrangement, including liquid distribution trough 9 and liquid
The mounting structure of distributor 9；The liquid distribution trough 9 is made up of distributor pipe 92, inner spray nozzle 93 and feed liquor adapter 91, distributor pipe
92 connect with feed liquor adapter 91, and distributor pipe 92 is hollow and with the adapter of symmetrical round, and inner spray nozzle 93 is arranged in the round；
The outlet of the inner spray nozzle 93 is long gap-like perforate, outside wall surface of its end face without departing from distributor pipe 92.
In order that the flowing of fluid is happy, shower nozzle is not easily blocked, nozzle is designed to strip.Simultaneously for the ease of processing
Thin seam is reserved between manufacture, the simple structure that inner spray nozzle is designed to be made up of upper and lower two planks, plank.
For abundant atomized liquid, the section of the inner spray nozzle 93 is the small takeover of hollow belt bellmouth.
In order to fully by outer fluid, make it possess maximum speed, while reducing the resistance to outer fluid, the round
And the inner spray nozzle 93 in emptying, it is arranged in the horizontal direction of distributor pipe 92.
Distributor pipe 92 is the adapter of hollow belt round, and round is the mounting hole of inner spray nozzle.Under normal mounting state, row
Hole is horizontal direction arrangement, as shown in Figure 1, 2.Because the flow direction of the outer fluid of distributor pipe 92 is to flow from bottom to top, according to
Kaman's Vortex model understand, fluid around cylinder flow when, flow direction with circle it is tangent when flow velocity reach maximum, i.e., be distributed
The flow velocity of pipe outside horizontal center line and cylindrical the tangent fluid is maximum, therefore inner spray nozzle is arranged in round
The horizontal direction of distributor pipe.Inner spray nozzle is the small takeover of hollow belt bellmouth.The present invention designs inner spray nozzle outer face 94
Into arc surface, its radius is equal with distributor pipe radius, in order that the liquid that nozzle is sprayed fully is atomized, the end face of inner spray nozzle
The outside wall surface of distributor pipe must not be exceeded.Meanwhile, so consider also for the resistance for reducing distribution extratubal fluid.
Due to expanding with heat and contract with cold, heat exchanger plate beam can be flexible along gravity direction under temperature field action, in order to reduce feed liquor
Thermal stress in adapter 91, the straight length and middle pigtail that feed liquor adapter 91 is designed as into two ends is constituted.The helix tube
The number of turns of section is depending on the thermal expansion amount of plate beam, and top straight length connects with distributor pipe 92, and bottom straight length draws heat exchanger.
Reference picture 4, the installation of liquid distribution trough 9 and flow principles：Arch top plate including biside plate and connection biside plate；
The biside plate is provided with distributor pipe mounting hole 52, and arch ceiling center is provided with feed liquor adapter mounting hole 51, is taken over and pacified with the feed liquor
Fill centered on hole 51, two pairs of deflectors 53 are installed on arch top plate, the spacing of deflector 53 be can adjust, and deflector 53 is surrounded
Cavity be guiding gutter 54；Because the flow velocity of fluid and the cross section of circulation path are inversely proportional, therefore it can be led by adjustment
The method of plate plate spacing is flowed, to reach the control of the rate of flow of fluid to entering shell side.Guiding gutter 54 has the effect of guiding concurrently simultaneously,
The final plate-like ejection of fluid for making to flow out from guiding gutter narrow slit.The two ends of distributor pipe 92 are arranged in distributor pipe mounting hole 52,
The interior fluid sprayed in inner spray nozzle 93 cmpletely is mixed with outer fluid up in guiding gutter 54, then on be advanced into heat
One journey of exchanger plate beam, is completed after heat exchange, outflow heat exchanger plate beam with another journey of heat exchanger plate beam.
Claims (5)
1. a kind of shell-and-plate heat exchanger liquid distribution mixing arrangement, it is characterised in that：Including liquid distribution trough（9）And liquid
Distributor（9）Mounting structure；The liquid distribution trough（9）By distributor pipe（92）, inner spray nozzle（93）Taken over feed liquor（91）
Constitute, distributor pipe（92）Taken over feed liquor（91）Connection, distributor pipe（92）To be hollow and with the adapter of symmetrical round, inner spray nozzle
（93）In the round；The inner spray nozzle（93）Outlet be long gap-like perforate, its end face is without departing from distributor pipe（92）'s
Outside wall surface.
2. a kind of shell-and-plate heat exchanger liquid distribution mixing arrangement according to claim 1, it is characterised in that：Liquid
Distributor（9）Mounting structure（5）For：Arch top plate including biside plate and connection biside plate；The biside plate is provided with distribution
Pipe mounting hole（52）, arch ceiling center is provided with feed liquor adapter mounting hole (51), centered on the feed liquor adapter mounting hole (51),
It is adjustable provided with deflector in its surrounding（53）, deflector（53）The cavity surrounded as guiding gutter（54）；Distributor pipe（92）Peace
Mounted in distributor pipe mounting hole（52）It is interior.
3. a kind of shell-and-plate heat exchanger liquid distribution mixing arrangement according to claim 1 or 2, it is characterised in that：
The inner spray nozzle（93）Section be hollow belt bellmouth small takeover.
4. a kind of shell-and-plate heat exchanger liquid distribution mixing arrangement according to claim 3, it is characterised in that：It is described
Round and the inner spray nozzle in emptying（93）, it is arranged in distributor pipe（92）Horizontal direction.
5. a kind of shell-and-plate heat exchanger liquid distribution mixing arrangement according to claim 1 or 2, it is characterised in that：
The feed liquor adapter（91）It is made up of the straight length and middle pigtail at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710586194.1A CN107328294B (en) | 2017-07-18 | 2017-07-18 | Liquid distribution mixing device for plate-shell heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710586194.1A CN107328294B (en) | 2017-07-18 | 2017-07-18 | Liquid distribution mixing device for plate-shell heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107328294A true CN107328294A (en) | 2017-11-07 |
| CN107328294B CN107328294B (en) | 2023-09-08 |
Family
ID=60226457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710586194.1A Active CN107328294B (en) | 2017-07-18 | 2017-07-18 | Liquid distribution mixing device for plate-shell heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328294B (en) |
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| CN1103005A (en) * | 1993-11-22 | 1995-05-31 | 三菱商事株式会社 | Liquid dispensor used for material and/or heat exchange tower |
| JP2006057894A (en) * | 2004-08-19 | 2006-03-02 | Takuma Co Ltd | Boiling/atomizing nozzle for exhaust gas temperature-decreasing device for spraying pressurized hot water and spray method of pressurized hot water using it |
| CN1935388A (en) * | 2006-10-09 | 2007-03-28 | 西安交通大学 | Alternate-spraying liquid atomizing nozzle |
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| CN217654369U (en) * | 2022-06-08 | 2022-10-25 | 广东格菱冷却设备有限公司 | Variable flow nozzle for cross-flow cooling tower |
-
2017
- 2017-07-18 CN CN201710586194.1A patent/CN107328294B/en active Active
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| JP2006057894A (en) * | 2004-08-19 | 2006-03-02 | Takuma Co Ltd | Boiling/atomizing nozzle for exhaust gas temperature-decreasing device for spraying pressurized hot water and spray method of pressurized hot water using it |
| CN1935388A (en) * | 2006-10-09 | 2007-03-28 | 西安交通大学 | Alternate-spraying liquid atomizing nozzle |
| US20100326108A1 (en) * | 2008-01-11 | 2010-12-30 | Johnson Controls Technology Company | Vapor compression system |
| CN201607159U (en) * | 2010-01-08 | 2010-10-13 | 开封空分集团有限公司 | Groove-type liquid distributor of air-water cooling tower |
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| CN201672845U (en) * | 2010-05-06 | 2010-12-15 | 甘肃蓝科石化高新装备股份有限公司 | Liquid feed distributor for lamella heat exchanger |
| CN201811640U (en) * | 2010-08-03 | 2011-04-27 | 昆山台佳机电有限公司 | Distributing device of dry evaporator |
| CN202263937U (en) * | 2011-10-13 | 2012-06-06 | 西北工业大学 | Two-stage accelerating solid atomizing device |
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| CN207180462U (en) * | 2017-07-18 | 2018-04-03 | 甘肃蓝科石化高新装备股份有限公司 | Shell-and-plate heat exchanger liquid distribution mixing arrangement |
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| Publication number | Publication date |
|---|---|
| CN107328294B (en) | 2023-09-08 |
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