CN104587803B - Liquid distribution disturbance device for plate-type film falling devices - Google Patents
Liquid distribution disturbance device for plate-type film falling devices Download PDFInfo
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- CN104587803B CN104587803B CN201510015942.1A CN201510015942A CN104587803B CN 104587803 B CN104587803 B CN 104587803B CN 201510015942 A CN201510015942 A CN 201510015942A CN 104587803 B CN104587803 B CN 104587803B
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- hollow cylinder
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- tooth
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Abstract
The invention discloses a liquid distribution disturbance device for plate-type film falling devices. The liquid distribution disturbance device comprises a film falling plate and a toothed hollow roller and is characterized in that an overflow groove is formed in the top of the front of the film falling plate; the overflow groove and the film falling plate form an inverted L shape; the bottom surface of the overflow groove is an inclined surface; an overflow port is formed in the bottom end of the inclined surface along the transverse direction; the overflow port is adjacent to the film falling plate; the toothed hollow roller is arranged below the overflow groove along the transverse direction; the toothed hollow roller is mounted on a fixed seat through a rolling bearing; the fixed seat is fixed on the film falling plate. According to the liquid distribution disturbance device, the toothed hollow roller can be pushed to rotate by means of the gravitational potential energy of the liquid film and enable the liquid film to be transversely and uniformly spread on the surface of the film falling plate; in the rotation process, the disturbance of the gas-liquid interface is increased and the absorption or recovery of the pollutants or toxic gas is promoted. The liquid distribution disturbance device for plate-type film falling devices is simple in structure, low in processing cost and high in efficiency, has the advantage of effectively absorbing the pollutants and can be widely applied to the fields of chemical engineering and environment protection.
Description
Technical field
The present invention relates to plate type falling-film device, it is particularly used for the cloth liquid disturbance device of plate type falling-film device.
Background technology
The features such as falling film has efficiency high, structure is simple, energy consumption is little, Engineering Thermophysics, material prepare and
The industrial circles such as Chemical Engineering also have a very wide range of applications.It is mainly to the pollutant or poisonous producing during producing
Property gas absorbed or reclaimed, not only can environmental protection but also can achieve resource recycling, save production cost.Common fall
Film absorption plant is typically forced based on fluctuation with natural fluctuation or corrugated plating, during natural fluctuation fluctuation less it is suppressed that its absorption
Optimum efficiency, absorbing liquid often do not reach saturation i.e. with flow out, cause the waste of resource；And when adopting corrugated plating falling liquid film,
Easily cause that cloth film is uneven, film breakage generation.
Content of the invention
The technical problem to be solved is to provide the cloth liquid disturbance device for plate type falling-film device.
In order to solve above-mentioned technical problem, first technical scheme of the present invention is that the cloth liquid for plate type falling-film device is disturbed
Dynamic device, including falling liquid film plate and band tooth hollow cylinder；It is characterized in：The top in this falling liquid film plate front is provided with overflow launder；This overflow
Groove constitutes " 7 " font with falling liquid film plate；Described overflow groove bottom is inclined-plane, is horizontally arranged with overfall in the bottom on inclined-plane, should
Overfall is adjacent with falling liquid film plate；The described lower section being transversely arranged on overflow launder with tooth hollow cylinder；This band tooth hollow cylinder leads to
Cross rolling bearing to be arranged in fixed seat；Fixed seat is fixed on falling liquid film plate.
The liquid film that the overfall of the present invention flows out flows on band tooth hollow cylinder, relies on liquid film self gravitation potential energy to promote band
Tooth hollow cylinder rotates, and band tooth hollow cylinder promotes liquid film to sprawl falling liquid film plate surface is laterally homogeneous while rotating；Due to
Band tooth hollow cylinder surface relief is uneven, increased the disturbance of gas-liquid interface in rotation process；This design is not only up to
Arrive the effect of uniform cloth film, and do not needed additional extra driving means, not only saved the energy but also reached enhancing gas-liquid circle
The purpose of the disturbance in face, has reached the effect of energy-saving and emission-reduction.
In order to when preventing liquid from being flowed out by overfall due to capillary effect along overflow launder flows, by institute
State overflow groove bottom and be set to inclined-plane.
According to preferred version, profile of tooth and the distribution of the cloth liquid disturbance device for plate type falling-film device of the present invention, institute
State the radius with tooth hollow cylinder to meet：Wherein：The quality flowing out in liquid unit time is ml, under liquid
After falling to running into cylinder, velocity variations are Δ v, and the radius of cylinder is r, and the quality of cylinder is mb, Δ ω is the angle of cylinder Startup time
Speed increment.
According to the preferred version of the cloth liquid disturbance device for plate type falling-film device of the present invention, described band tooth hollow rolling
Cylinder adopts semi-circular teeth, and this semi-circular teeth is along hollow cylinder radial distribution；The quantity of the tooth relation high with tooth can be by formulaCalculate；Space width l can be by formulaCalculate；Wherein, space width is adjacent for two
The distance between tooth tip, h is that tooth is high, and n is the quantity of tooth, and r is the radius with tooth hollow cylinder (6).
According to the preferred version of the cloth liquid disturbance device for plate type falling-film device of the present invention, anti-in this falling liquid film plate
Face arranges roll adjustment handle, and one end of roll adjustment handle is set with spring；Roll adjustment handle insertion falling liquid film plate is connected with fixed seat.By setting
Put roll adjustment handle, the level interval with tooth hollow cylinder and falling liquid film plate can be adjusted, so that in process of production according to operating mode pair
Thickness of liquid film and fluctuation size are adjusted with frequency, to reach optimal assimilation effect.
According to the preferred version of the cloth liquid disturbance device for plate type falling-film device of the present invention, described overfall is length
Bar shaped conduit.
According to the preferred version of the cloth liquid disturbance device for plate type falling-film device of the present invention, described fixed seat is by upper
Cover plate and lower cover are constituted, and upper cover plate and lower cover are in semi-annular shape, and upper cover plate and lower cover are solidly set on the axis of rolling by bolt
Hold.
The beneficial effect of the cloth liquid disturbance device for plate type falling-film device of the present invention is：The present invention relies on liquid film certainly
Body gravitional force promotes band tooth hollow cylinder to rotate, and band tooth hollow cylinder promotes liquid film to sprawl falling liquid film plate surface is laterally homogeneous；
Increased the disturbance of gas-liquid interface in rotation process, promote and pollutant or toxic gas are absorbed or reclaims；
The present invention has not only reached the effect of uniform cloth film, and does not need additional extra driving means, just can reach enhancing gas-liquid
The purpose of the disturbance at interface, had not only saved the energy but also energy, and can reach optimal assimilation effect again；Present configuration is simple, processes
Low cost, efficiency high, can effectively absorb the pollutant producing in production process, be with a wide range of applications, can be extensive
Apply to the fields such as chemical industry, environmental protection.
Brief description
Fig. 1 is the cloth liquid disturbance device perspective view for plate type falling-film device of the present invention.
Fig. 2 is the cloth liquid disturbance device structural representation for plate type falling-film device of the present invention.
Fig. 3 is the sectional view with tooth hollow cylinder 6.
Fig. 4 is overflow launder 3 bottom schematic view.
Specific embodiment
With reference to embodiment, the present invention is further described specifically, but embodiments of the present invention not limited to this.
Referring to Fig. 1 to Fig. 4, for the cloth liquid disturbance device of plate type falling-film device, including falling liquid film plate 10 and band tooth hollow cylinder
6；The top in this falling liquid film plate 10 front is provided with overflow launder 3；This overflow launder 3 constitutes " 7 " font with falling liquid film plate 10；Described overflow launder 3
Bottom surface is inclined-plane, is horizontally arranged with overfall 2 in the bottom on inclined-plane, this overfall 2 and falling liquid film plate 10 phase neighbour；Described band tooth
Hollow cylinder 6 is transversely arranged on the lower section of overflow launder 3, so that the liquid film that overfall 2 flows out flows to the footpath with tooth hollow cylinder 6
To on edge；This is arranged in fixed seat 7,9 with the rolling bearing 8 that tooth hollow cylinder 6 is arranged by its two ends；Fixed seat 7,9
It is fixed on falling liquid film plate 10.
In a particular embodiment, the described radius with tooth hollow cylinder 6 meets：Wherein：Liquid unit
The quality flowing out in time is ml, after liquid falls to running into cylinder, velocity variations are Δ v, and the radius of cylinder is r, the quality of cylinder
For mb, Δ ω is the angular speed increment of hollow cylinder Startup time.
Described band tooth hollow cylinder 6 adopts semi-circular teeth, and this semi-circular teeth is along hollow cylinder radial distribution；The quantity of tooth with
The high relation of tooth can be by formulaCalculate；Space width l can be by formulaCalculate；Wherein,
Space width is the distance between two adjacent tooth tip, and h is that tooth is high, and n is the quantity of tooth, and r is the radius of cylinder.
Described overfall 2 is strip conduit；Described fixed seat 7,9 is made up of upper cover plate 7 and lower cover 9, upper cover plate 7 He
Lower cover 9 is in semi-annular shape, is solidly set on rolling bearing 8 by bolt 11；One end of lower cover 9 stretches out, and forms hanger,
External screw thread is provided with hanger, lower cover 9 is threadedly secured on falling liquid film plate 10；The reverse side of this falling liquid film plate 10 is provided with roll adjustment
Handle 4, one end of roll adjustment handle 4 is set with spring 5；It is connected in roll adjustment handle 4 insertion falling liquid film plate 10 and with lower cover 9.Rotate
Roll adjustment handle 4, can adjust the level interval with tooth hollow cylinder 6 and falling liquid film plate 10.
The operation principle of the present invention is：Liquid film adds from the top 1 of overflow launder 3, flows out from overfall 2, flows in band tooth
On empty cylinder 6, liquid film self gravitation potential energy is relied on to promote band tooth hollow cylinder 6 to rotate.If the matter flowing out in liquid unit time
Measure as ml, after liquid falls to running into cylinder, velocity variations are Δ v, and the radius of cylinder is r, and quality is mb, when starting working, in Δ t
In time, hollow cylinder accelerates to ω rads from static.As long as the torque that liquid provides is more than the rotary inertia of hollow cylinder itself
Drum rotation can be driven, that is,：, Δ t can disappear, as long as final meetBand tooth hollow cylinder 6 promotes liquid film to sprawl falling liquid film plate 10 surface is laterally homogeneous while rotating, and reaches
The effect of uniform cloth film；And, because band tooth hollow cylinder surface relief is uneven, rotation process increased gas-liquid interface
Disturbance, promote and pollutant or toxic gas absorbed or reclaims.
In specific application process, by changing the radius with tooth hollow cylinder, the number of teeth, tooth height and can pass through to adjust
Away from handle 4 adjustment with tooth hollow cylinder 6 and the parameters such as the level interval of falling liquid film plate 10, to reach optimal assimilation effect.
Claims (5)
1. it is used for the cloth liquid disturbance device of plate type falling-film device, including falling liquid film plate (10) and band tooth hollow cylinder (6)；Its feature exists
In：The top in this falling liquid film plate (10) front is provided with overflow launder (3)；This overflow launder (3) constitutes " 7 " font with falling liquid film plate (10)；Institute
Stating overflow launder (3) bottom surface is inclined-plane, is horizontally arranged with overfall (2), this overfall (2) and falling liquid film plate in the bottom on inclined-plane
(10) adjacent；The described lower section being transversely arranged on overflow launder (3) with tooth hollow cylinder (6)；This band tooth hollow cylinder (6) passes through
Rolling bearing (8) is arranged in fixed seat (7,9), and fixed seat (7,9) is fixed on falling liquid film plate (10)；
The described radius with tooth hollow cylinder (6) meets：Wherein：In liquid unit time, the quality of outflow is
ml, after liquid falls to running into band tooth hollow cylinder, velocity variations are Δ v, and the radius with tooth hollow cylinder is r, carries tooth hollow cylinder
Quality be mb, Δ ω is the angular speed increment with tooth hollow cylinder (6) Startup time.
2. the cloth liquid disturbance device for plate type falling-film device according to claim 1 it is characterised in that：Described band tooth hollow
Cylinder (6) adopts semi-circular teeth, and this semi-circular teeth is along cylinder radial distribution；The quantity of the tooth relation high with tooth is by formulaCalculate；Space width l is by formulaCalculate；Wherein, space width is two adjacent teeth
The distance between top, h is that tooth is high, and n is the quantity of tooth, and r is the radius with tooth hollow cylinder (6).
3. the cloth liquid disturbance device for plate type falling-film device according to claim 1 and 2 it is characterised in that：Described falling liquid film
The reverse side of plate (10) is provided with roll adjustment handle (4), and one end of roll adjustment handle (4) is set with spring (5)；This roll adjustment handle (4) is inserted
Enter falling liquid film plate (10) to be connected with fixed seat (7,9).
4. the cloth liquid disturbance device for plate type falling-film device according to claim 3 it is characterised in that：Described overfall
(2) it is strip conduit.
5. the cloth liquid disturbance device for plate type falling-film device according to claim 4 it is characterised in that：Described fixed seat
(7,9) are made up of upper cover plate (7) and lower cover (9), and upper cover plate (7) and lower cover (9) are in semi-annular shape, upper cover plate (7) and under
Cover plate (9) is solidly set on rolling bearing (8) by bolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015942.1A CN104587803B (en) | 2015-01-13 | 2015-01-13 | Liquid distribution disturbance device for plate-type film falling devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015942.1A CN104587803B (en) | 2015-01-13 | 2015-01-13 | Liquid distribution disturbance device for plate-type film falling devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104587803A CN104587803A (en) | 2015-05-06 |
| CN104587803B true CN104587803B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510015942.1A Active CN104587803B (en) | 2015-01-13 | 2015-01-13 | Liquid distribution disturbance device for plate-type film falling devices |
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| CN (1) | CN104587803B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5522343B2 (en) * | 2009-02-12 | 2014-06-18 | スタンレー電気株式会社 | Carbon dioxide reduction equipment |
| CN203568874U (en) * | 2013-09-29 | 2014-04-30 | 广州中国科学院先进技术研究所 | Pipe-type liquid distributor used for falling film evaporator |
| CN103983047B (en) * | 2014-05-21 | 2016-01-13 | 东南大学 | A kind of two-way from the board-like falling film absorbing device of disturbance |
| CN104014142B (en) * | 2014-06-24 | 2017-01-18 | 天津普莱化工技术有限公司 | Efficient liquid distributor for falling-film evaporator |
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| CN104587803A (en) | 2015-05-06 |
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Inventor after: Ding Yudong Inventor after: Zhao Linlin Inventor after: Zhu Shun Inventor after: Liao Qiang Inventor after: Chen Rong Inventor after: Wang Hong Inventor after: Ye Dingding Inventor after: Li Jun Inventor after: Huang Yun Inventor before: Ding Yudong Inventor before: Zhao Linlin Inventor before: Zhu Xun Inventor before: Liao Qiang Inventor before: Chen Rong Inventor before: Wang Hong Inventor before: Ye Dingding Inventor before: Li Jun Inventor before: Huang Yun |
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