CN104826351B - Downward film evaporator, liquid distributor and liquid-distributing plate thereof - Google Patents
Downward film evaporator, liquid distributor and liquid-distributing plate thereof Download PDFInfo
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- CN104826351B CN104826351B CN201510236809.9A CN201510236809A CN104826351B CN 104826351 B CN104826351 B CN 104826351B CN 201510236809 A CN201510236809 A CN 201510236809A CN 104826351 B CN104826351 B CN 104826351B
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Abstract
The invention discloses a kind of downward film evaporator, liquid distributor and liquid-distributing plate thereof, liquid-distributing plate includes plate body and the liquid distributing hole (11) being opened on described plate body, and the inlet-duct area of described liquid distributing hole (11) is more than or less than its discharge area.Liquid-distributing plate provided by the invention, the inlet-duct area of liquid distributing hole is more than or less than its discharge area, i.e. the inlet-duct area of liquid distributing hole is unequal with its discharge area.Therefore, the longitudinal section of liquid distributing hole non-rectangle, when jet fluid, owing to the port of export changes for the channeling direction of fluid relative to entrance point, it is to avoid fluid forms backflow vortex region at the boundary of the port of export.And then avoid producing the energy loss that vortex increases, and, avoid the unstability that vortex brings to liquid distributor interflow, avoid damage to steady flow's (or uniform spraying) of next layer of liquid-distributing plate, furthermore, avoid the bubble produced because of vortex to pile up, improve the flow uniformity of fluid in liquid distributing hole.
Description
Technical field
The present invention relates to sprinkling equipment technical field, particularly to a kind of downward film evaporator, liquid distributor and liquid-distributing plate thereof.
Background technology
Downward film evaporator includes liquid distributor, and liquid distributor includes liquid-distributing plate and feed tube.Liquid distributor in downward film evaporator is positioned at heat exchanger tube upper end, its function be by being sprayed uniformly by the coolant gas-liquid mixture after choke valve (or drip drench) to heat exchanger tube surface evaporation.
Wherein, the cloth liquid uniformity of liquid distributor drastically influence the work efficiency of downward film evaporator.Cloth liquid inequality can cause the dry wall phenomenon of heat exchanger tube.Dry wall phenomenon is namely in vaporizer, and part heat exchanger tube surface does not have liquid film (or drop) to cover so that this part heat exchanger tube " dry combustion method ", causes that overall heat exchange efficiency reduces.
As it is shown in figure 1, the perforate on the liquid-distributing plate of liquid distributor is cylindrical hole, the structure of its longitudinal section is rectangular configuration.When jet fluid, fluid flows along the inwall of liquid distributing hole, backflow vortex region can be formed at the boundary of the port of export of liquid distributing hole, vortex adds energy loss, further, vortex increases unstability can to liquid distributor interflow, destroys steady flow's (or uniform spraying) of next layer of liquid-distributing plate upper fluid, the existence of vortex region makes the bubble in coolant pile up herein, affects the flow uniformity at liquid outlet place.The problems referred to above are the topmost reason causing dry wall phenomenon to produce.
Therefore, how to avoid backflow vortex region to be formed, be those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of liquid-distributing plate, to avoid backflow vortex region to be formed.The invention also discloses a kind of downward film evaporator with above-mentioned liquid-distributing plate and liquid distributor.
For achieving the above object, the present invention provides following technical scheme:
A kind of liquid-distributing plate, including plate body and be opened in the liquid distributing hole on described plate body, it is characterised in that the inlet-duct area of described liquid distributing hole is more than or less than its discharge area.
Preferably, in above-mentioned liquid-distributing plate, described liquid distributing hole is flaring hole and/or convergent hole.
Preferably, in above-mentioned liquid-distributing plate, described liquid distributing hole is bellmouth or shoulder hole.
Preferably, in above-mentioned liquid-distributing plate, described liquid distributing hole is bellmouth, and its inwall is plane or the cambered surface of the camber towards described liquid distributing hole.
Preferably, in above-mentioned liquid-distributing plate, described liquid distributing hole includes described flaring hole and described convergent hole；
Described convergent hole is arranged at the higher-pressure region of described plate body, and described flaring hole is arranged at the low-pressure area of described plate body；
Wherein, the higher-pressure region of described plate body is the described plate body region near the feed tube port of export of liquid distributor, and the low-pressure area of described plate body is the described plate body region away from the feed tube port of export of liquid distributor.
Preferably, in above-mentioned liquid-distributing plate, the little end cross-sectional area of described liquid distributing hole is S1, its big end cross-sectional area is S2, S2≤4S1。
Preferably, in above-mentioned liquid-distributing plate, described liquid distributing hole is combination bore, and described plate body is provided with away from the side of the import of described liquid distributing hole and stretches out limit, described in stretch out limit and described plate body and form the outlet of described liquid distributing hole away from the described liquid distributing hole edge of the side of the import of described liquid distributing hole.
Preferably, in above-mentioned liquid-distributing plate, described in stretch out limit be the inclined side arranged along the centerline dip of described liquid distributing hole.
Preferably, in above-mentioned liquid-distributing plate, described in stretch out limit and include being parallel to vertical edge that the centrage of described liquid distributing hole arranges and connect the connection limit of described vertical edge and described plate body.
Preferably, in above-mentioned liquid-distributing plate, described in stretch out the outlying one end from the described plate body distance to described plate body less than 5mm.
Preferably, in above-mentioned liquid-distributing plate, the distance L between adjacent two described liquid distributing holes, wherein, 50mm≤L≤200mm.
Preferably, in above-mentioned liquid-distributing plate, it is positioned at the quantity of described liquid distributing hole of the higher-pressure region of described plate body less than the quantity of the described liquid distributing hole of the low-pressure area being positioned at described plate body.
Preferably, in above-mentioned liquid-distributing plate, being positioned at the aperture of described liquid distributing hole of the higher-pressure region of described plate body less than the aperture of the described liquid distributing hole of the low-pressure area being positioned at described plate body, described aperture is the entrance point diameter of described liquid distributing hole.
Preferably, in above-mentioned liquid-distributing plate, the aperture difference of adjacent two described liquid distributing holes is less than 3mm.
Preferably, in above-mentioned liquid-distributing plate, aperture maximum in described liquid distributing hole is dP, aperture minimum in described liquid distributing hole is dP1, wherein, 0.3dP1≤dP≤3dP1。
Present invention also offers a kind of liquid distributor, have liquid-distributing plate, described liquid-distributing plate is the liquid-distributing plate as described in above-mentioned any one.
Present invention also offers a kind of downward film evaporator, including liquid distributor, described liquid distributor is liquid distributor as above.
From above-mentioned technical scheme it can be seen that liquid-distributing plate provided by the invention, the inlet-duct area of liquid distributing hole is more than or less than its discharge area, i.e. the inlet-duct area of liquid distributing hole is unequal with its discharge area.Therefore, the longitudinal section of liquid distributing hole non-rectangle, when jet fluid, owing to the port of export changes for the channeling direction of fluid relative to entrance point, it is to avoid fluid forms backflow vortex region at the boundary of the port of export.And then avoid producing the energy loss that vortex increases, and, avoid the unstability that vortex brings to liquid distributor interflow, avoid damage to steady flow's (or uniform spraying) of next layer of liquid-distributing plate, furthermore, avoid the bubble produced because of vortex to pile up, improve the flow uniformity of fluid in liquid distributing hole.
Present invention also offers a kind of downward film evaporator with above-mentioned liquid-distributing plate and liquid distributor.Owing to above-mentioned liquid-distributing plate has above-mentioned technique effect, downward film evaporator and the liquid distributor with above-mentioned liquid-distributing plate also should have same technique effect, are no longer discussed in detail and all within protection domain at this.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the Longitudinal cross section schematic of a kind of liquid-distributing plate of the prior art；
Fig. 2 is the first Longitudinal cross section schematic of the liquid-distributing plate in the embodiment of the present invention；
Fig. 3 is the second Longitudinal cross section schematic of the liquid-distributing plate in the embodiment of the present invention；
Fig. 4 is the third Longitudinal cross section schematic of the liquid-distributing plate in the embodiment of the present invention；
Fig. 5 is the 4th kind of Longitudinal cross section schematic of the liquid-distributing plate in the embodiment of the present invention；
Fig. 6 is the 5th kind of Longitudinal cross section schematic of the liquid-distributing plate in the embodiment of the present invention；
Fig. 7 is the 6th kind of Longitudinal cross section schematic of the liquid-distributing plate in the embodiment of the present invention；
Fig. 8 is the 7th kind of Longitudinal cross section schematic of the liquid-distributing plate in the embodiment of the present invention；
Fig. 9 is the 8th kind of Longitudinal cross section schematic of the liquid-distributing plate in the embodiment of the present invention；
Figure 10 is the structural representation of the liquid distributor in the embodiment of the present invention；
Figure 11 is the first branch's schematic diagram of liquid distributing hole on the liquid-distributing plate in the embodiment of the present invention；
Figure 12 is the second branch schematic diagram of liquid distributing hole on the liquid-distributing plate in the embodiment of the present invention；
Figure 13 is the third branch's schematic diagram of liquid distributing hole on the liquid-distributing plate in the embodiment of the present invention；
Figure 14 is the 4th kind of branch's schematic diagram of liquid distributing hole on the liquid-distributing plate in the embodiment of the present invention.
Detailed description of the invention
The invention discloses a kind of liquid-distributing plate, to avoid backflow vortex region to be formed.The invention also discloses a kind of downward film evaporator with above-mentioned liquid-distributing plate and liquid distributor.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to the first Longitudinal cross section schematic that Fig. 2, Fig. 2 are the liquid-distributing plate in the embodiment of the present invention.
Embodiments providing a kind of liquid-distributing plate, including plate body and be opened in the liquid distributing hole 11 on plate body, wherein, the quantity of liquid distributing hole 11 is multiple, and the inlet-duct area of single liquid distributing hole 11 is more than or less than its discharge area.
Wherein, the inlet-duct area of liquid distributing hole 11 is the liquid distributing hole 11 entrance point area near the feed tube 2 of liquid distributor, and the discharge area of liquid distributing hole 11 is the liquid distributing hole 11 port of export area away from the feed tube 2 of liquid distributor.
The liquid-distributing plate that the embodiment of the present invention provides, the inlet-duct area of liquid distributing hole 11 is more than or less than its discharge area, i.e. the inlet-duct area of liquid distributing hole 11 is unequal with its discharge area.Therefore, the longitudinal section of liquid distributing hole 11 non-rectangle, when jet fluid, owing to the port of export changes for the channeling direction of fluid relative to entrance point, it is to avoid fluid forms backflow vortex region at the boundary of the port of export.And then avoid producing the energy loss that vortex increases, and, avoid the unstability that vortex brings to liquid distributor interflow, avoid damage to steady flow's (or uniform spraying) of next layer of liquid-distributing plate, furthermore, avoid the bubble produced because of vortex to pile up, improve the flow uniformity of fluid in liquid distributing hole 11.
For the ease of processing, single liquid distributing hole 11 is processed as flaring hole or convergent hole.Only need to adjust the perforate mode for liquid distributing hole 11 can complete.Owing to the liquid distributing hole 11 on liquid-distributing plate is multiple, it is possible to whole liquid distributing holes 11 are all processed as flaring hole；Whole liquid distributing holes 11 all can also be processed as convergent hole；A part in liquid distributing hole 11 can also being processed as flaring hole, a part is processed as convergent hole.
Wherein, flaring hole and liquid distributing hole 11 expand along its import gradually to the sectional area of Way out so that import sectional area is less than discharge area.Convergent hole variation tendency is just the opposite.
In order to further facilitate processing, liquid distributing hole 11 is processed as bellmouth or shoulder hole.Wherein, the central axis of liquid distributing hole 11 is in plate body.The through hole of arcuate socket or other structures can also be processed as.
In the liquid-distributing plate that the embodiment of the present invention provides, liquid distributing hole 11 is bellmouth, and its inwall is plane or the cambered surface of the camber towards liquid distributing hole 11.That is, when the inwall of liquid distributing hole 11 is plane, this liquid distributing hole 11 is conical bore.When the inwall of liquid distributing hole 11 is towards the cambered surface of the camber of liquid distributing hole 11, this liquid distributing hole 11 is trumpet-shaped arc taper hole.The inwall of liquid distributing hole 11 can also be set to the cambered surface of the camber of liquid distributing hole 11 dorsad.Owing to liquid distributing hole 11 is bellmouth, reduce the flow resistance of fluid in liquid distributing hole 11.
In the first embodiment, such as Fig. 2 to Fig. 7, liquid distributing hole 11 includes flaring hole and convergent hole.Namely the part in multiple liquid distributing holes 11 is flaring hole, and a part is convergent hole.Convergent hole is arranged at the higher-pressure region A of plate body, and flaring hole is arranged at the low-pressure area of plate body.Wherein, the higher-pressure region A of plate body is the plate body region near feed tube 2 port of export of liquid distributor, and the low-pressure area of plate body is the plate body region away from feed tube 2 port of export of liquid distributor.Owing to the feed tube 2 of liquid distributor is arranged at the centre of plate body mostly, flaring hole is arranged at low-pressure area, not only reduces the flow resistance of low-pressure area, and can reduce bubble that in fluid, phase transformation the produces deposition rate at liquid distributing hole 11 outlet edge.Convergent hole is positioned at higher-pressure region A (flow region near feed tube 2), is possible not only to reduce to a certain extent the energy loss that fluid impact produces, and more fluid can be promoted to flow toward low-pressure area also by reducing flow, improve the interflow uniformity.
Wherein, liquid distributing hole 11 is optimum with the liquid distributing hole 11 of tubaeform (its inwall is for the cambered surface of the camber towards liquid distributing hole 11), next to that the liquid distributing hole 11 of cone, is shoulder hole again.
In order to improve the stability that fluid flows in liquid distributing hole 11, the varying aperture of liquid distributing hole 11 is unsuitable excessive.Therefore, the little end cross-sectional area of liquid distributing hole 11 is S1, its big end cross-sectional area is S2, S2≤4S1。
Preferably, S2=2S1。
In the second embodiment, such as Fig. 8 and Fig. 9, liquid distributing hole 11 is combination bore, and plate body is provided with away from the side of the import of liquid distributing hole 11 and stretches out limit, stretches out limit and plate body and forms the outlet of liquid distributing hole 11 away from liquid distributing hole 11 edge of the side of the import of liquid distributing hole 11.Stretch out limit by arranging, guiding function is played for the fluid flowed out by liquid distributing hole 11, further avoid the generation of backflow vortex region.
Owing to the manufacturing process of combination bore is more complicated than through hole and stretches out limit, there is certain size, interfere with plate body in order to avoid stretching out limit, it is preferable that the liquid distributing hole 11 on the undermost liquid-distributing plate of liquid distributor is combination bore.
Stretching out limit is the inclined side arranged along the centerline dip of liquid distributing hole 11.Wherein, stretch out limit to tilt along the direction away from plate body to the direction of the centrage near liquid distributing hole 11, it is also possible to tilt along the direction away from plate body to the direction of the centrage away from liquid distributing hole 11.As shown in Figure 8, stretch out limit to tilt along the direction away from plate body to the direction of the centrage near liquid distributing hole 11.By above-mentioned setting, facilitate the processing stretching out limit.
What can also adopt other structures stretches out limit.As it is shown in figure 9, stretch out limit to include being parallel to the vertical edge that the centrage of liquid distributing hole 11 is arranged and the connection limit connecting vertical edge and plate body.Although making complicated than in above-described embodiment of the structure stretching out limit, but, the convenient discharge area controlling liquid distributing hole 11.
In order to save material, reduce and stretch out interference between limit and its Surrounding Parts, stretch out the outlying one end from the plate body distance to plate body less than 5mm.Preferably, stretching out outlying one end from plate body to the distance of plate body is 1mm.
In the liquid-distributing plate that the present embodiment provides, in order to ensure liquid-distributing plate intensity and cloth liquid effect thereof, the distance L between adjacent two liquid distributing holes, wherein, 50mm≤L≤200mm.Preferably, the distance L between adjacent two liquid distributing holes is 100mm.
Further, the quantity of liquid distributing hole of the higher-pressure region A of plate body it is positioned at less than the quantity of the liquid distributing hole of the low-pressure area being positioned at plate body.By higher-pressure region A on plate body and the adjustment of the quantity of liquid distributing hole in low-pressure area, further increase the cloth liquid uniformity of liquid-distributing plate.
As shown in Figure 10, being positioned at the aperture of liquid distributing hole of the higher-pressure region A of plate body less than the aperture of the liquid distributing hole of the low-pressure area being positioned at plate body, aperture is the entrance point diameter of liquid distributing hole 11.Equally, improve the cloth liquid uniformity of liquid-distributing plate.
Relative position according to feed tube in liquid distributor 2 with liquid-distributing plate, it is determined that higher-pressure region A and low-pressure area, adopts localized variation distribution, and namely the aperture of higher-pressure region A (just to feed tube 2 place) is few compared with little reduction and quantity.
For even transition, the aperture difference of adjacent two liquid distributing holes is unsuitable excessive.Therefore, in the present embodiment the aperture difference of adjacent two liquid distributing holes less than 3mm.Preferably, the aperture difference of adjacent two liquid distributing holes is 1mm.
Further, maximum in liquid distributing hole 11 aperture is dP, aperture minimum in liquid distributing hole 11 is dP1, wherein, 0.3dP1≤dP≤3dP1, arrive the effect of even transition.
As shown in figure 11, being distributed as of liquid distributing hole 11 is interspersed and the aperture of liquid distributing hole 11 is identical.
As shown in figure 12, being distributed as of liquid distributing hole 11 is interspersed and the aperture of liquid distributing hole 11 differs.Wherein, liquid distributing hole 11 includes the first liquid distributing hole 11A of minor diameter and the second liquid distributing hole 11B of major diameter.Wherein, the first liquid distributing hole 11A is positioned at higher-pressure region A.
As shown in figure 13, being distributed as of liquid distributing hole 11 is uniformly distributed and the aperture of liquid distributing hole 11 is identical.
As shown in figure 14, being distributed as of liquid distributing hole 11 is uniformly distributed and the aperture of liquid distributing hole 11 differs.Wherein, liquid distributing hole 11 includes the first liquid distributing hole 11A of minor diameter and the second liquid distributing hole 11B of major diameter.Wherein, the first liquid distributing hole 11A is positioned at higher-pressure region A.
The embodiment of the present invention additionally provides a kind of liquid distributor, has liquid-distributing plate, and wherein, liquid-distributing plate is such as any one liquid-distributing plate above-mentioned.Owing to above-mentioned liquid-distributing plate has above-mentioned technique effect, the liquid distributor with above-mentioned liquid-distributing plate also should have same technique effect, is no longer discussed in detail at this.
Wherein, the liquid-distributing plate in liquid distributor mostly is double-deck or three layers.And the feed tube 2 in liquid distributor can be multiple, it is also possible to for single.
In like manner, the embodiment of the present invention additionally provides a kind of downward film evaporator, including above-mentioned liquid distributor, has above-mentioned technique effect equally.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (15)
1. a liquid-distributing plate, including plate body and be opened in the liquid distributing hole (11) on described plate body, it is characterised in that the inlet-duct area of described liquid distributing hole (11) is more than or less than its discharge area；
Described liquid distributing hole (11) is flaring hole and/or convergent hole；
Described liquid distributing hole (11) includes described flaring hole and described convergent hole；
Described convergent hole is arranged at the higher-pressure region (A) of described plate body, and described flaring hole is arranged at the low-pressure area of described plate body；
Wherein, the higher-pressure region (A) of described plate body is the described plate body region near feed tube (2) port of export of liquid distributor, and the low-pressure area of described plate body is the described plate body region away from feed tube (2) port of export of liquid distributor.
2. liquid-distributing plate as claimed in claim 1, it is characterised in that described liquid distributing hole (11) is bellmouth or shoulder hole.
3. liquid-distributing plate as claimed in claim 2, it is characterised in that described liquid distributing hole (11) is bellmouth, and its inwall is plane or the cambered surface of the camber towards described liquid distributing hole (11).
4. liquid-distributing plate as claimed in claim 1, it is characterised in that the little end cross-sectional area of described liquid distributing hole (11) is S1, its big end cross-sectional area is S2, S2≤4S1。
5. liquid-distributing plate as claimed in claim 1, it is characterized in that, described liquid distributing hole (11) is combination bore, described plate body is provided with away from the side of the import of described liquid distributing hole (11) and stretches out limit, described in stretch out limit and described plate body and form the outlet of described liquid distributing hole (11) away from described liquid distributing hole (11) edge of the side of the import of described liquid distributing hole (11).
6. liquid-distributing plate as claimed in claim 5, it is characterised in that described in stretch out the limit inclined side for arranging along the centerline dip of described liquid distributing hole (11).
7. liquid-distributing plate as claimed in claim 5, it is characterised in that described in stretch out limit and include being parallel to the vertical edge that the centrage of described liquid distributing hole (11) is arranged and the connection limit connecting described vertical edge and described plate body.
8. liquid-distributing plate as claimed in claim 5, it is characterised in that described in stretch out the outlying one end from the described plate body distance to described plate body less than 5mm.
9. liquid-distributing plate as claimed in claim 1, it is characterised in that the distance L between adjacent two described liquid distributing holes, wherein, 50mm≤L≤200mm.
10. liquid-distributing plate as claimed in claim 1, it is characterised in that be positioned at the quantity of described liquid distributing hole of the higher-pressure region (A) of described plate body less than the quantity of the described liquid distributing hole of the low-pressure area being positioned at described plate body.
11. the liquid-distributing plate as described in any one of claim 1-10, it is characterized in that, being positioned at the aperture of described liquid distributing hole of the higher-pressure region (A) of described plate body less than the aperture of the described liquid distributing hole of the low-pressure area being positioned at described plate body, described aperture is the entrance point diameter of described liquid distributing hole (11).
12. liquid-distributing plate as claimed in claim 11, it is characterised in that the aperture difference of adjacent two described liquid distributing holes is less than 3mm.
13. liquid-distributing plate as claimed in claim 11, it is characterised in that aperture maximum in described liquid distributing hole (11) is dP, aperture minimum in described liquid distributing hole (11) is dP1, wherein, 0.3dP1≤dP≤3dP1。
14. a liquid distributor, there is liquid-distributing plate (1), it is characterised in that described liquid-distributing plate (1) is the liquid-distributing plate as described in any one of claim 1-13.
15. a downward film evaporator, including liquid distributor, it is characterised in that described liquid distributor is liquid distributor as claimed in claim 14.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510236809.9A CN104826351B (en) | 2015-05-11 | 2015-05-11 | Downward film evaporator, liquid distributor and liquid-distributing plate thereof |
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| CN201510236809.9A CN104826351B (en) | 2015-05-11 | 2015-05-11 | Downward film evaporator, liquid distributor and liquid-distributing plate thereof |
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| CN104826351A CN104826351A (en) | 2015-08-12 |
| CN104826351B true CN104826351B (en) | 2016-07-06 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823427B (en) * | 2017-03-27 | 2019-03-05 | 大连理工大学 | A kind of tube type falling-film spray equipment |
| CN109550378A (en) * | 2017-09-26 | 2019-04-02 | 萍乡市普天高科实业有限公司 | Low-temp desulfurization denitration device and its technique in a kind of flue gas |
| CN107441750B (en) * | 2017-09-26 | 2020-05-01 | 天津科技大学 | Sub-boiling distillation device and application thereof |
| CN109550376A (en) * | 2017-09-26 | 2019-04-02 | 萍乡市普天高科实业有限公司 | A kind of equipment and its technique for flue gas desulfurization and denitrification |
| CN109550379A (en) * | 2017-09-26 | 2019-04-02 | 萍乡市普天高科实业有限公司 | A kind of equipment and its technique for low-temp desulfurization denitration in flue gas |
| CN111991823B (en) * | 2020-08-21 | 2022-04-29 | 江苏一万节能科技股份有限公司 | Fluid distribution plate for falling film evaporator |
| CN111991824B (en) * | 2020-08-24 | 2022-04-15 | 江苏一万节能科技股份有限公司 | Flow-guiding type liquid distribution plate in falling film evaporator and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6830099B2 (en) * | 2002-12-13 | 2004-12-14 | American Standard International Inc. | Falling film evaporator having an improved two-phase distribution system |
| CN102000437B (en) * | 2010-09-03 | 2013-02-13 | 广东工业大学 | Falling film evaporator with gas-liquid separating and membrane-distributing functions |
| CN201949666U (en) * | 2011-01-27 | 2011-08-31 | 安徽省化工设计院 | Liquid distributer of falling film evaporator |
| CN102954628A (en) * | 2011-08-18 | 2013-03-06 | 浙江盾安人工环境股份有限公司 | Liquid distributor for film falling type evaporator |
| CN202876401U (en) * | 2012-11-14 | 2013-04-17 | 重庆市三耕储环保科技有限公司 | Film distribution plate of falling-film evaporator |
| CN203940663U (en) * | 2014-05-21 | 2014-11-12 | 天津商业大学 | Falling film evaporation device |
| CN204619409U (en) * | 2015-05-11 | 2015-09-09 | 珠海格力电器股份有限公司 | Downward film evaporator, liquid distributor and liquid-distributing plate thereof |
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