CN101885550A - Multiple-effect horizontal pipe falling film evaporation sea water desalting plant with middle vapor-liquid separation - Google Patents
Multiple-effect horizontal pipe falling film evaporation sea water desalting plant with middle vapor-liquid separation Download PDFInfo
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- CN101885550A CN101885550A CN 201010229947 CN201010229947A CN101885550A CN 101885550 A CN101885550 A CN 101885550A CN 201010229947 CN201010229947 CN 201010229947 CN 201010229947 A CN201010229947 A CN 201010229947A CN 101885550 A CN101885550 A CN 101885550A
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- 239000013535 sea water Substances 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 55
- 238000000926 separation method Methods 0.000 title claims abstract description 49
- 238000001704 evaporation Methods 0.000 title claims abstract description 38
- 230000008020 evaporation Effects 0.000 title claims abstract description 38
- 239000011552 falling film Substances 0.000 title claims abstract description 27
- 238000011033 desalting Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 230000011218 segmentation Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 230000007547 defect Effects 0.000 abstract 2
- 238000009833 condensation Methods 0.000 description 21
- 230000005494 condensation Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 239000010408 film Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention relates to a multiple-effect horizontal pipe falling film evaporation sea water desalting plant with middle vapor-liquid separation, belonging to the technical field of sea water desalting and heat-exchange equipment. The multiple-effect horizontal pipe falling film evaporation sea water desalting plant with middle vapor-liquid separation is characterized in that a middle vapor-liquid separation pipe box is arranged in each first-effect evaporator/condenser, and a heat exchange pipe bundle is divided into a front pipe bundle section and a rear pipe bundle section by the middle vapor-liquid separation pipe box; in each first-effect evaporator/condenser, the vapor channel is divided into three pipe passes: a first pipe pass in the front pipe bundle section, a second pipe pass in the heat exchange pipes on the lower part of the rear pipe bundle section, and a third pipe pass in the heat exchange pipes on the upper part of the rear pipe bundle section; the number of heat exchange pipes in each side pass is smaller than that in the previous pipe pass; the vapor flow directions in the first pipe pass and the second pipe pass are identical, and the vapor flow direction in the third pipe pass is opposite those in the first pipe pass and the second pipe pass. The invention overcomes the defect that the effective heat transfer area is reduced since condensate is aggregated at the middle rear part of the traditional long horizontal pipe and the defect that the coefficient of heat transfer is reduced due to over-low vapor flow velocity, enhances the condensing coefficient of heat transfer in the rear part of the pipe and reduces the heat transfer pipe consumption.
Description
Technical field
The invention belongs to sea water desaltination and heat-exchange equipment technical field.Relate to a kind of multiple-effect horizontal pipe falling film evaporation sea water desalting plant, the multiple-effect horizontal pipe falling film evaporation sea water desalting plant of vapor-liquid separation in the middle of particularly a kind of having.
Background technology
At present, existing in the world large-scale desalting seawater through multi-effect evaporation device be a kind of be the device that main energy sources is carried out sea water desaltination with steam, its main body is made up of a series of evaporator, the heat-transfer surface of these evaporator is made of long horizontal tube bundle usually, adopt vapor condensation process in the outside seawater falling film evaporation of level pipe, the pipe, wherein an evaporator structural representation such as a Fig. 1 of imitating.
Multiple-effect is steamed in the horizontal pipe falling film evaporation sea water desalting plant and is comprised n evaporator, forms n and imitates device, the evaporation unit unit that it is core that " effect " here is meant with an evaporator.The principle of work of each horizontal pipe falling film evaporation/condenser is the same: the charging of respectively imitating evaporator through the seawater of pre-heating temperature elevation as sea water desalinating plant, the charging seawater by seawater spraying device b be sprayed onto long horizontal heat exchange tube bundle c above, the end of heat-exchanging tube bundle c is supported by evaporator fronttube plate e and evaporator back tube plate f in each imitates evaporator, seawater flows at the tube bank outside forms the level pipe surface under action of gravity falling liquid film, if the charging seawater is in supercooled state, several combs are heated to temperature of saturation in the vaporizer to the falling liquid film seawater on the upper strata, enter evaporation stage then.Under the heat effect of steam, part falling liquid film evaporation of seawater generates steam, i.e. secondary steam in pipe.Secondary steam between tube bank or both sides flow to the tail end of this evaporator along the pipe parallel direction, this outlet bobbin carriage g of imitating evaporator is imitated the admission bobbin carriage of evaporator simultaneously as next, the secondary steam of evaporation of seawater generation will begin the heat transfer process of next effect as next heating steam of imitating evaporator like this.Heating steam is emitted latent heat and is condensed into water when the outer seawater of pipe internal heating pipe, last is imitated i.e. n and imitates secondary steam of evaporator generation will be condensed into water in condenser.The heat that adds of level pipe is produced by the condensation heat of managing interior steam in the evaporator, first heating steam of imitating evaporator comes from external heat source, steam comes from the secondary steam of an effect evaporator in all the other each effect pipes, and the condensation product of secondary steam is exactly the fresh water that is generated by seawater.For fear of seawater fouling on heat-transfer surface, adopt the low-temperature evaporation technology, each is imitated and all is in vacuum state in the evaporator.Heat transfer process is finished in evaporator housing a.
Imitate evaporator, heating steam enters in the pipe with higher flow velocity in evaporator admission bobbin carriage d for each, and steam heat release in flowing is condensed into water gradually, and steam flow rate reduces thereupon greatly, condensation water bottom pipe sluggish flow to exit end.In order to guarantee that the steam that enters in the pipe condenses fully, heat transfer tube all has long length.For large-scale sea water desalinating plant, the pipe range of horizontal tube falling film evaporation/condenser reaches several meters, the pipe rear portion since in the pipe ponding reduced the effective heat transfer area that steam and tube wall directly contact, steam flow rate reduces makes condensation heat transfer coefficient reduce, and both effects make the condensation heat transfer effect at pipe rear portion be significantly less than pipe forward condensation heat transfer effect.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of multiple-effect horizontal pipe falling film evaporation sea water desalting plant that has middle vapor-liquid separation, higher steam flow rate in the effective heat exchange area of interior steam of the heat transfer tube of can improving the standard and tube wall, the holding tube, the problem of solution conventional levels pipe falling film evaporation/condenser long tube rear portion heat-transfer effect difference.
Technical scheme of the present invention is:
The multiple-effect horizontal pipe falling film evaporation sea water desalting plant of vapor-liquid separation, wherein single-effect evaporation/condenser structure synoptic diagram such as Fig. 2 in the middle of a kind of having.Comprise admission bobbin carriage 1, seawater spraying device 2, segmentation tube bank leading portion tube bank 3, middle vapor-liquid separation bobbin carriage or tube side outlet bobbin carriage 4, three tube sides outlet bobbin carriage 5, segmentation tube bank back segment tube bank 6, two tube sides outlet bobbin carriage 7, outlet bobbin carriage or next are imitated the admission bobbin carriage 8 of evaporator, two tube sides outlet bobbin carriage condensed water comb 9, evaporator back tube plate 10, middle vapor-liquid separation bobbin carriage condensed water comb 11, middle vapor-liquid separation bobbin carriage back tube plate 12, three tube sides outlet bobbin carriage condensed water comb 13, middle vapor-liquid separation bobbin carriage fronttube plate 14, evaporator housing 15, evaporator fronttube plate 16.The multiple-effect horizontal pipe falling film evaporation sea water desalting plant of vapor-liquid separation is characterised in that in the middle of this having: vapor-liquid separation bobbin carriage 4 in the middle of being provided with in each imitates evaporator, it is divided into leading portion tube bank 3 and back segment tube bank 6 with the long heat-exchanging tube bundle of conventional levels pipe falling film evaporation/condenser, be different from conventional levels pipe falling film evaporation/condenser simultaneously and only tube sheet be set at two ends, its middle vapor-liquid separation bobbin carriage 4 two ends in evaporator also is provided with fronttube plate 14 and back tube plate 12, condensed water in the leading portion tube bank 3 discharges middle vapor-liquid separation bobbin carriage 4 in, and drain into evaporator by the condensed water delivery pipe 11 of vapor-liquid separation bobbin carriage 4 bottoms in the middle of being located at and export admission bobbin carriage 8 that bobbin carriage is next effect evaporator; Discharged steam behind the condensation water enters in the lower tube of back segment tube bank 6 and continues condensation heat in the centre.
In each imitates evaporator, horizontal tube bundle is divided into leading portion tube bank 3 by middle vapor-liquid separation bobbin carriage 4 and back segment is restrained 6 two portions, and steam divides three tube sides to finish heating to seawater, and the leading portion tube bank is first tube side, back segment tube bank bottom is second tube side, and back segment tube bank top is the 3rd tube side.One tube side is consistent with steam flow direction in the two tube side pipes, and the flow direction of steam in contrast in the three tube side pipes.Seawater evenly is sprayed onto leading portion tube bank 3 for the seawater water inlet pipe on tube bank top and seawater spraying device 2 and back segment is restrained above 6, the interbank falling liquid film mobile seawater that is is managed interior steam heating and the part evaporation, steam is because of adding the hot sea water partial condensation in the leading portion tube bank pipe, in middle vapor-liquid separation bobbin carriage 4, realize vapor-liquid separation, vapor-liquid separation bobbin carriage 4 bottoms in the middle of water of condensation accumulates in are discharged by the condensed water comb 11 of bottom as product water; Separate the steam after the condensed water and entered back segment and restrain in the tube bank of 6 bottoms, begun the condensation heat of second tube side.Spray the heating lower section evaporation that back segment is restrained seawater steam in pipe of 6 outside surfaces by seawater spraying device 2, steam is together with condensation flow to two tube side outlet bobbin carriage 7 in the pipe, evaporator outlet bobbin carriage 8 is collected and drained into to water of condensation as product water by the condensed water comb 9 of 7 bottoms, steam enters in the upper bundle of back segment tube bank 6 at two tube sides outlet bobbin carriage 7, flow along the direction opposite with two tube sides, the outer spray of heating tube and under seawater, steam all condenses in the 3rd tube side, the product water that forms that condenses drains in the middle vapor-liquid separation bobbin carriage 4 at the condensed water comb 13 of three tube sides outlet bobbin carriage 5 by the bottom, the mixing of fresh water that produces with a tube side, and discharge by the condensed water comb 11 of bottom.All product water is imitated evaporator by imitating discharging until last, imitates the evaporator discharger by last then.The water vapour that generates between leading portion and back segment pipe pipe along interbank gap in scum dredger flow to the outlet bobbin carriage 8 of evaporator, the outlet bobbin carriage 8 of last effect evaporator promptly is the admission bobbin carriage that evaporator is imitated in back one, the secondary steam that last effect evaporator produces enters the admission tube side that evaporator is imitated in back one thus, begins the work that next imitates evaporator.The unevaporated seawater of shell-side flows to the equipment bottom, drains into next by salt solution U type water shoot and imitates evaporator shell-side or as sprayed sea water.All the other respectively imitate the evaporator working process by that analogy.
In order to improve condensation heat transfer coefficient, the number of tubes of the number of tubes of leading portion one tube side, back segment two tube side number of tubes and back segment three tube sides reduces successively, each tube side inlet steam flow velocity is close, average steam flow rate improves in the pipe, be higher than the steam flow rate in conventional horizontal tube falling film evaporation/condenser tube, pipe internal memory liquid measure reduces.
Effect of the present invention and benefit are before and after the long level pipe of traditional evaporator is divided into middle vapor-liquid separation case two sections, having overcome traditional long level pipe makes effective heat transfer area reduce at the pipe postmedian owing to condensation water gathers, steam flow rate is crossed the shortcoming of sinking low heat transfer coefficient, condensation water in the leading portion pipe is discharged in middle vapor-liquid separation case, agglomerative steam does not increase at the back segment velocity in pipes, and because condensed water is discharged, steam is abundant with the heat interchanging area outside the pipe in the pipe, compare with the long level pipe of tradition, improved the condensation heat transfer coefficient in horizontal pipe falling film evaporation/condenser rear portion pipe, under identical steam output condition, will significantly reduce the heat-transfer pipe materials consumption.
Description of drawings
Fig. 1 is the multiple-effect horizontal pipe falling film evaporation sea water desalting plant structural representation of traditional vertical layout.
Among the figure: a evaporator housing; The b spray equipment; The horizontal heat exchange tube bundle that c is long; D admission bobbin carriage; E evaporator fronttube plate; F evaporator back tube plate; G outlet bobbin carriage or next are imitated the admission bobbin carriage of evaporator.
Fig. 2 is the multiple-effect horizontal pipe falling film evaporation sea water desalting plant structural representation of vapor-liquid separation in the middle of having.
Among the figure: 1 admission bobbin carriage; 2 seawater spraying devices; The tube bank of 3 segmentations tube bank leading portion; A vapor-liquid separation bobbin carriage or tube side outlet bobbin carriage in the middle of 4; 5 three tube sides outlet bobbin carriage; The tube bank of 6 segmentations tube bank back segment; 7 two tube sides outlet bobbin carriage; 8 outlet bobbin carriages or next are imitated the admission bobbin carriage of evaporator; 9 two tube sides outlet bobbin carriage condensed water comb; 10 evaporator back tube plates; Vapor-liquid separation bobbin carriage condensed water comb in the middle of 11; Vapor-liquid separation bobbin carriage back tube plate in the middle of 12; 13 3 tube sides outlet bobbin carriage condensed water comb; Vapor-liquid separation bobbin carriage fronttube plate in the middle of 14; 15 evaporator housings; 16 evaporator fronttube plates.
Embodiment
Be described in detail the specific embodiment of the present invention below in conjunction with technical scheme and accompanying drawing.
Referring to Fig. 2, vapor-liquid separation bobbin carriage 4 in the middle of " multiple-effect horizontal pipe falling film evaporation sea water desalting plant of vapor-liquid separation in the middle of having " that reaches of the present invention is meant and is provided with in the evaporator of each effect, at middle vapor-liquid separation bobbin carriage two ends fronttube plate 14 and back tube plate 12 are set, two sections desalting seawater through multi-effect evaporation device before and after heat-exchanging tube bundle is divided into by middle vapor-liquid separation bobbin carriage, a wherein structural representation of imitating has drawn among the figure.
Among Fig. 2, each heat-exchanging tube bundle of imitating evaporator all is divided into two sections of front and back by middle vapour-liquid shunting bobbin carriage 4, at middle vapor-liquid separation bobbin carriage two ends fronttube plate 14 and back tube plate 12 is set.Add vapour passage and be divided into three tube sides, be to be a tube side in the leading portion tube bank 3, in the bottom heat transfer tube of back segment tube bank 6 is two tube sides, in the top heat transfer tube of back segment tube bank 6 is three tube sides, the heat transfer tube number of each tube side all is less than the heat transfer tube number of last tube side, one tube side is consistent with steam flow direction in the two tube side pipes, and the flow direction of steam in contrast in the three tube side pipes.It is that leading portion is restrained in each heat-transfer pipe that heating steam enters a tube side by admission bobbin carriage 1, heating tube is outer by the membranaceous seawater that flows down in top, the heat release in pipe of part steam is condensed, not agglomerative steam and vapor-liquid separation bobbin carriage 4 and realize vapor-liquid separation in the middle of agglomerative water has flow at this, water of condensation is discharged by the condensed water comb 11 of bottom in middle vapor-liquid separation bobbin carriage 4 bottoms, imitates the evaporator discharger as product water by last; Agglomerative steam is not entered by middle vapor-liquid separation bobbin carriage 4 in the lower tube of back segment tube bank and continues the outer seawater of heating tube, in this process, there is the heat release of part steam to be condensed into water again, this part water of condensation is collected by the condensed water comb 9 of bottom in two tube sides outlet bobbin carriage 7, residual steam enters in the upper tube of three tube sides and back segment tube bank 6, outer sprayed sea water of heating tube and heat release are condensed, and water of condensation is discharged in the middle vapor-liquid separation bobbin carriage 4 at the condensed water comb 13 of three tube sides outlet bobbin carriage 5 by the bottom.All product water is imitated the evaporator discharger by last.The water vapour that seawater is generated by thermal evaporation flow in the outlet bobbin carriage 8 of evaporator after scum dredger elimination small amount of drop along interbank gap, promptly enter back one and imitate the admission bobbin carriage of evaporator, as next thermal source of imitating evaporator, begin the evaporative condenser heat transfer process of next effect.The outer unevaporated seawater of pipe flows to the equipment bottom, drains into next by salt solution U type water shoot and imitates the evaporator shell-side.All the other respectively imitate the evaporator working process by that analogy.
The present invention has overcome in original multiple-effect horizontal pipe falling film evaporation sea water desalting plant, the effective heat exchange area that too much causes owing to the phlegma that accumulates in the heat exchange long tube reduces, pipe interior steam flow rate in rear portion is crossed unfavorable factors such as sinking low heat transfer coefficient, improved the condensation heat transfer coefficient in horizontal tube falling film evaporation/condenser rear portion pipe greatly, under identical evaporation two conditions, to reduce the heat-transfer pipe materials consumption, be a kind of sea water desalinating plant efficiently.
Claims (4)
- One kind have in the middle of the multiple-effect horizontal pipe falling film evaporation sea water desalting plant of vapor-liquid separation, each is imitated evaporator and comprises admission bobbin carriage (1), seawater spraying device (2), segmentation tube bank leading portion tube bank (3), middle vapor-liquid separation bobbin carriage or tube side outlet bobbin carriage (4), three tube sides outlet bobbin carriage (5), segmentation tube bank back segment tube bank (6), two tube sides outlet bobbin carriage (7), outlet bobbin carriage or next are imitated the admission bobbin carriage (8) of evaporator, two tube sides outlet bobbin carriage condensed water comb (9), evaporator back tube plate (10), middle vapor-liquid separation bobbin carriage condensed water comb (11), middle vapor-liquid separation bobbin carriage back tube plate (12), three tube sides outlet bobbin carriage condensed water comb (13), middle vapor-liquid separation bobbin carriage fronttube plate (14), evaporator housing (15), evaporator fronttube plate (16), it is characterized in that: imitate evaporator inside at each middle vapor-liquid separation bobbin carriage (4) is set, the horizontal heat exchange tube bundle is divided into leading portion tube bank (3) and back segment tube bank (6).
- 2. the multiple-effect horizontal pipe falling film evaporation sea water desalting plant of vapor-liquid separation in the middle of a kind of having according to claim 1, it is characterized in that: vapour passage is divided into three tube sides in each imitates evaporator, be to be a tube side in the leading portion tube bank (3), in the bottom heat transfer tube of back segment tube bank (6) is two tube sides, is three tube sides in the top heat transfer tube of back segment tube bank (6).
- 3. the multiple-effect horizontal pipe falling film evaporation sea water desalting plant of vapor-liquid separation in the middle of a kind of having according to claim 2, it is characterized in that: the heat transfer tube number of each tube side all is less than the heat transfer tube number of last tube side.
- 4. the multiple-effect horizontal pipe falling film evaporation sea water desalting plant of vapor-liquid separation in the middle of a kind of having according to claim 2, it is characterized in that: a tube side is consistent with steam flow direction in the two tube side pipes, and the flow direction of steam is in contrast in the three tube side pipes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102299471A CN101885550B (en) | 2010-07-16 | 2010-07-16 | Multiple-effect horizontal pipe falling film evaporation sea water desalting plant with middle vapor-liquid separation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102299471A CN101885550B (en) | 2010-07-16 | 2010-07-16 | Multiple-effect horizontal pipe falling film evaporation sea water desalting plant with middle vapor-liquid separation |
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| CN101885550A true CN101885550A (en) | 2010-11-17 |
| CN101885550B CN101885550B (en) | 2012-07-04 |
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| CN2010102299471A Expired - Fee Related CN101885550B (en) | 2010-07-16 | 2010-07-16 | Multiple-effect horizontal pipe falling film evaporation sea water desalting plant with middle vapor-liquid separation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259941A (en) * | 2011-06-16 | 2011-11-30 | 大连理工大学 | Vertical tube seawater spewing and boiling evaporator |
| CN104457309A (en) * | 2014-12-03 | 2015-03-25 | 北京交通大学 | Tubular condensation heat exchanger and heat exchange method thereof |
| CN108328681A (en) * | 2018-02-23 | 2018-07-27 | 启东市麦迪逊清水源环保科技有限公司 | Volatile organic matter separator and method in a kind of waste water |
| CN110327644A (en) * | 2019-07-22 | 2019-10-15 | 大连理工大学 | A kind of energy-saving horizontal pipe falling-film evaporating condenser |
| CN113926210A (en) * | 2021-11-05 | 2022-01-14 | 广东闻扬环境科技有限公司 | Horizontal pipe falling film device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09280787A (en) * | 1996-04-15 | 1997-10-31 | Mitsubishi Heavy Ind Ltd | Seawater-desalinating apparatus |
| CN201093904Y (en) * | 2007-06-14 | 2008-07-30 | 西北工业大学 | Inorganic heat tube spraying condenser |
| CN101280981A (en) * | 2008-05-08 | 2008-10-08 | 深圳职业技术学院 | Diffusion absorption type refrigeration system |
| CN101503224A (en) * | 2008-12-25 | 2009-08-12 | 滨海环保装备（天津）有限公司 | Low temperature multiple-effect seawater desalination evaporator and working method thereof |
| CN201367361Y (en) * | 2009-03-13 | 2009-12-23 | 国家海洋局天津海水淡化与综合利用研究所 | Integrated cabinet-type low-temperature multiple-effect distilled seawater desalting plant |
-
2010
- 2010-07-16 CN CN2010102299471A patent/CN101885550B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09280787A (en) * | 1996-04-15 | 1997-10-31 | Mitsubishi Heavy Ind Ltd | Seawater-desalinating apparatus |
| CN201093904Y (en) * | 2007-06-14 | 2008-07-30 | 西北工业大学 | Inorganic heat tube spraying condenser |
| CN101280981A (en) * | 2008-05-08 | 2008-10-08 | 深圳职业技术学院 | Diffusion absorption type refrigeration system |
| CN101503224A (en) * | 2008-12-25 | 2009-08-12 | 滨海环保装备（天津）有限公司 | Low temperature multiple-effect seawater desalination evaporator and working method thereof |
| CN201367361Y (en) * | 2009-03-13 | 2009-12-23 | 国家海洋局天津海水淡化与综合利用研究所 | Integrated cabinet-type low-temperature multiple-effect distilled seawater desalting plant |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259941A (en) * | 2011-06-16 | 2011-11-30 | 大连理工大学 | Vertical tube seawater spewing and boiling evaporator |
| CN104457309A (en) * | 2014-12-03 | 2015-03-25 | 北京交通大学 | Tubular condensation heat exchanger and heat exchange method thereof |
| CN104457309B (en) * | 2014-12-03 | 2016-09-07 | 北京交通大学 | A kind of tubular condensing heat exchanger and heat-exchange method thereof |
| CN108328681A (en) * | 2018-02-23 | 2018-07-27 | 启东市麦迪逊清水源环保科技有限公司 | Volatile organic matter separator and method in a kind of waste water |
| CN110327644A (en) * | 2019-07-22 | 2019-10-15 | 大连理工大学 | A kind of energy-saving horizontal pipe falling-film evaporating condenser |
| CN113926210A (en) * | 2021-11-05 | 2022-01-14 | 广东闻扬环境科技有限公司 | Horizontal pipe falling film device |
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| CN101885550B (en) | 2012-07-04 |
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Granted publication date: 20120704 |