CN102728081A - Detachable climbing film plate type evaporator - Google Patents
Detachable climbing film plate type evaporator Download PDFInfo
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- CN102728081A CN102728081A CN2012102533656A CN201210253365A CN102728081A CN 102728081 A CN102728081 A CN 102728081A CN 2012102533656 A CN2012102533656 A CN 2012102533656A CN 201210253365 A CN201210253365 A CN 201210253365A CN 102728081 A CN102728081 A CN 102728081A
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Abstract
The invention relates to a climbing film plate type evaporator. A detachable climbing film plate type evaporator is mainly characterized by comprising an upper beam; a lower beam is connected with a fixed compaction plate and a tail frame; a movable compaction plate is provided with a hanger and is hung on the upper beam; multiple heat transfer sheets are arranged between the fixed compaction plate and the movable compaction plate; a sealing rubber mat is arranged between every two heat transfer sheets; the fixed compaction plate and the movable compaction plate are fixedly connected through a clamping bolt; and the heat transfer sheets consist of heat transfer sheets A and heat transfer sheets B. The detachable climbing film plate type evaporator provided by the invention has the advantages that: 1, the handling capacity is great, the evaporation efficiency is high, the condensation is fast, the vapor-phase flow resistance is low, and the pure reverse flow is adopted in the flowing direction of the cold and hot fluid; 2, the structure principle of climbing film evaporation is realized by adopting the plate type structure design of combination A and B; 3, the high-rigidity design of the plate type is realized by adopting multiple support structures; 4, by adopting mesh guide flow, the dead zone of heat transfer is reduced, and the heat transfer efficiency is improved; 5, the heat transfer efficiency is improved through the hot-mixing heat transfer design; 6, with the unique five-point positioning technology, the reliability of large-area assembly is realized; and 7, the formation of various special materials is realized by coarse-pitch design.
Description
Technical field
The present invention relates to rise lamina membranacea formula evaporimeter.
Background technology
At present, industries such as As China's oil, chemical industry, pharmacy, light industry, sewage disposal, waste liquid recovery flourish, industry-by-industry is increasing to the demand of evaporimeter.Domestic existing up-down template type evaporimeter can not satisfy the needs of the development of every profession and trade at present.
At present external plate-type evaporator industry has Alfa Laval, APV, Schmidt; This four tame major company of GEA, wherein Alfa Laval and GEA are main to rise film, APV and Schmidt are main with the up-down film with falling mould; Its product respectively has its pluses and minuses; The lamina membranacea formula that the rises evaporimeter that Alfa Laval company develops is the half welded type plate-type climbing film evaporator that adopts laser weld, and its steam is walked passage between the plate of welding, and material is walked passage between the plate of dismountable rubber cushion side.Advantage is to be suitable for higher evaporating temperature, and the location is with the rubber cushion location between the plate group, the mode that its design of heat transfer adopts the oblique ripple of different angles to combine, and heat transfer efficiency is high; The rigid design of template is better, and the ripple pitch is reasonable, can suppress most of special materials (304,316, TAi, Ni, SMO254, SMO354, Hastelloy, and various austenitic stainless steel and super austenitic stainless steel).Shortcoming is that steam side can not disassembly, cleaning; The rubber cushion design is than broad, and pretightning force is big; The required precision that plate assembles when laser weld high (not putting bit architecture between two plates during welding); The pitch of the heat transfer segment of template is less than normal, and it is relatively more difficult to handle the medium that contains solid particle; Fluid flow resistance is bigger, and energy consumption is high.
The lamina membranacea formula that the rises evaporimeter that GEA company develops is a detachable plate-type evaporator fully, and its advantage is: material inlet adopts the oblique line import, being evenly distributed of material; Fluid flow resistance is less.Shortcoming is its heat transfer corrugated design fairly simple (design that ball bubble and vertical ripple combine), and heat transfer efficiency is low; The integral rigidity design of template is relatively poor, unsuitable compacting special material.
The up-down lamina membranacea formula evaporimeter that APV company develops is complete detachable plate-type evaporator; Its advantage is: the mode of mould falls in material after adopting elder generation to rise film between plate; Processing advantage to heat sensitive material is very big, compares climbing film evaporator, and the physicochemical property of material changes little; Fluid flow resistance is less.Shortcoming is its heat transfer corrugated design fairly simple (a ball bubble shape corrugated design), and heat transfer efficiency is low; The skewness of material; The integral rigidity design of template is relatively poor, unsuitable compacting special material.
The high-fall lamina membranacea formula evaporimeter that Schmidt company develops is complete detachable plate-type evaporator, and its advantage is: material adopts the mode of high-fall mould between plate, can better handle heat sensitive material; Its design of heat transfer designs for band-tube type, can realize the part advantage of tubular evaparator with plate-type evaporator, and fluid flow resistance is little.Shortcoming is its heat transfer corrugated design fairly simple (a hexagonal corrugated design), and heat transfer efficiency is low; Material is difficult to be evenly distributed; The rubber cushion design is wideer, and pretightning force is bigger.
Summary of the invention
The objective of the invention is to avoid the deficiency of prior art that a kind of removable lamina membranacea formula evaporimeter that rises is provided.The present invention is simple in structure, condensation and boiling heat transfer coefficient high, floor space is little, sealing factor is low, convenience for washing, the big and removable efficient lamina membranacea formula evaporimeter that rises of treating capacity.
The technical scheme that the present invention solves the problems of the technologies described above is following: a kind of removable lamina membranacea formula evaporimeter that rises; Its main feature is to include upper beam; Underbeam is connected with tailstock with fixed pressure plate, and movable pressure plate is provided with to be hung, and movable pressure plate hangs on the upper beam; Be provided with several pieces heat transferring plates between fixed pressure plate and the movable pressure plate; Be provided with seal gasket in twos between the heat transferring plate, fixed pressure plate is fixedly connected through fishbolt with movable pressure plate, and described heat transferring plate is made up of heat transfer A plate and heat transfer B plate.
The described removable lamina membranacea formula evaporimeter that rises; Also include and on fixed pressure plate, be provided with steam inlet, material outlet, material inlet, condensed water and fixed gas outlet, steam inlet, material outlet, material inlet, condensed water and fixed gas outlet are connected with plate steam inlet, plate material outlet, plate material inlet, plate condensed water and the fixed gas outlet that heat transferring plate is provided with respectively.
The described removable lamina membranacea formula evaporimeter that rises; The upper center that also comprises described heat transfer A plate is provided with A plate material outlet; Be provided with A plate steam inlet in the A plate material outlet left and right sides; The middle part, below of heat transfer A plate is provided with A plate material inlet, and its lower end is provided with A plate condensed water and fixed gas outlet for two jiaos; Be provided with A plate material at A plate material outlet and A plate material inlet place and get into netted water conservancy diversion district, get between plate and water conservancy diversion between condensed water and fixed gas ejecting plate material; Be provided with the perpendicular herringbone heat transfer zone of A plate between it; Other A plate two roads that are provided with, A expanded metals shape water conservancy diversion district seal; The netted water conservancy diversion of A plate material ejecting plate district is located at A plate material outlet place, between the material ejecting plate and steam get into water conservancy diversion between plate.
The described removable lamina membranacea formula evaporimeter that rises; The upper center that also comprises described heat transfer B plate is provided with B plate material outlet; Be provided with B plate steam inlet in the B plate material outlet left and right sides; The middle part, below of heat transfer B plate is provided with B plate material inlet, and its lower end is provided with B plate condensed water and fixed gas outlet for two jiaos; Be provided with B plate material at B plate material outlet and B plate material inlet place and get into netted water conservancy diversion district, get between plate and water conservancy diversion between condensed water and fixed gas ejecting plate material; Be provided with the perpendicular herringbone heat transfer zone of B plate between it; Other B plate two roads that are provided with, B expanded metals shape water conservancy diversion district seal; The netted water conservancy diversion of B plate material ejecting plate district is located at B plate material outlet place.Described water conservancy diversion district has adopted the netted water conservancy diversion of chocolate bulk.The cross section in described hanger hole is " V " font.
The described removable lamina membranacea formula evaporimeter that rises, perpendicular herringbone heat transfer zone of described A plate and the perpendicular herringbone heat transfer zone of B plate, its ripple angle a is 100-130 °, the runner opening direction of the runner opening direction of the perpendicular herringbone heat transfer zone of A plate and the perpendicular herringbone heat transfer zone of B plate is opposite; After the perpendicular herringbone heat transfer zone combination of perpendicular herringbone heat transfer zone of A plate and B plate, its moulding angle is 35 °-65 °.Realized hot Mixed Design.Adopt perpendicular lambdoid design of heat transfer, heat transfer path between the plate of formation soft or hard combination improves heat transfer efficiency when reducing fluid resistance.Realize the compacting of the template of multiple special material.
The described removable lamina membranacea formula evaporimeter that rises is provided with at the upper/lower terminal of described heat transferring plate and hangs opening, and the sealing gasket film trap is " V " font, and the degree of depth is 4-8mm, and the seal groove periphery is provided with reinforcement to improve the rigidity of plate.
The described removable lamina membranacea formula evaporimeter that rises is at four jiaos of heat transfer A plate and hang opening part and be provided with A plate five point locations; At four jiaos of heat transfer B plate and hang opening part and be provided with B plate five point locations; Adopt five point locations, emplacement depth is 6-10mm.Improve the reliability of large tracts of land assembling.
The described removable lamina membranacea formula evaporimeter that rises, described heat transferring plate adopts wide runner, and the passage intercept is 4-8mm, to solve easy fouling, susceptible to plugging problem.
The described removable lamina membranacea formula evaporimeter that rises, the edge of described heat transferring plate are provided with circular or square bubbling to improve the rigidity of plate.
Described heat transferring plate aperture arrangement has effectively been utilized the blanking area of plate, has improved the effective rate of utilization of plate.Same template adopts the material inlet of different structure, has realized two kinds of evaporimeters of high throughput, little evaporation capacity and big evaporation capacity, little treating capacity.
Beneficial effect of the present invention: 1. treating capacity is big, and evaporation efficiency is high, and condensation rate is fast, and the vapour phase flow resistance is low, and the cold and hot fluid flow direction adopts pure adverse current; 2. adopt the template structural design of A, B combination to realize rising the structural principle of film-type evaporation; 3. adopted multiple supporting construction to realize the high rigid design of template; 4. adopt netted water conservancy diversion to reduce the heat transfer dead band and improved heat transfer efficiency; 5. adopted the design of heat transfer of hot mixing to improve heat transfer efficiency; 6. adopt unique five point locations technology, realize the reliability of large tracts of land assembling; 7. adopted the design of coarse pitch to realize the moulding of various special materials; 8. the template design has all adopted the transition structure of circular arc type to make outward appearance have artistry, aesthetic property.
Adopt five point locations technology, can make between plate and the plate and realize interlocking, need not special location, realize the large tracts of land assembling, maximum can be assembled 500m
2/ platform; Adopt lambdoid hot Mixed Design technology, to improve heat transfer efficiency.
Compact conformation of the present invention, heat exchange efficiency is high, and when realizing same evaporation task, it uses disengagement area little, and the assembling volume is little, and taking up an area of the space is 1/3 of tubular evaparator; Flowing fluid in the present invention; Even under lower flow velocity, also can form violent turbulent flow; Thisly make impurity be difficult for deposition from souring, smooth plate surface makes that impurity is difficult for adhering to, so sealing factor is much smaller than the sealing factor of the evaporimeter of other types.After the fishbolt that detachable type high-efficiency of the present invention rises lamina membranacea formula evaporimeter unclamps and lays down, can unclamp the plate bundle, unload lower sheet space and clean, practical and convenient; As long as unclamp fishbolt, increase or the minimizing plate, can reach the effect that increases or reduce heat exchange area, therefore, can adjust heat exchange area easily according to the actual process needs.
It is complete detachable plate-type evaporator that the present invention rises lamina membranacea formula evaporimeter.Advantage is that five point locations are adopted in the plate location, and assembly precision is high, can realize the large tracts of land assembling; The designing technique of netted water conservancy diversion is all adopted in the import and export of material and the import and export of steam, and material can evenly be distributed; Design of heat transfer adopts perpendicular lambdoid hot Mixed Design, and heat transfer efficiency is high, and fluid flow resistance is less, and energy consumption is low; The rigid design of template is better, and the ripple pitch is reasonable, can suppress most of special materials (304,316, TAi, Ni, SMO254, SMO354, Hastelloy, and various austenitic stainless steel and super austenitic stainless steel).Can disassembly, cleaning; The rubber cushion design is narrow, and pretightning force is little; The template design that the mode of inserting realizes two kinds of evaporimeters of high throughput, little evaporation capacity and big evaporation capacity, little treating capacity is changed in employing; The pitch of the heat transfer segment of template is big, can handle the medium that contains solid particle (below the 200um).
Description of drawings
Fig. 1 looks sketch map for master of the present invention;
Fig. 2 looks sketch map for the right side of the present invention;
Fig. 3 is the structural representation of the embodiment of the invention 1 heat transfer A plate;
Fig. 4 is the structural representation of the embodiment of the invention 1 heat transfer B plate;
Fig. 5 is the embodiment of the invention 2 heat transfer A
1The structural representation of plate;
Fig. 6 is the embodiment of the invention 2 heat transfer B
1The structural representation of plate.
Among the figure: 1. fixed pressure plate; 1-1 is a steam inlet; The 1-2 material outlet; 1-3 condensed water and fixed gas outlet; The 1-4 material inlet; 2. heat transferring plate; 2-1. heat transfer A plate; 2-1-1. be A plate steam inlet; 2-1-2 is an A plate material outlet; 2-1-3 is an A plate material inlet; 2-1-4 is A plate condensed water and fixed gas outlet; 2-1-51 ~ 55 are A plate five point locations; 2-1-6 is the sealings of A plate two roads; 2-1-7 is an A expanded metals shape water conservancy diversion; 2-1-8 is perpendicular herringbone heat transfer zone; 2-1-9 is netted water conservancy diversion district; 2-2-1 is a B plate steam inlet; 2-2-2 is a B plate material outlet; 2-2-3 is a B plate material inlet; 2-2-4 is B plate condensed water and fixed gas outlet; 2-2-51 ~ 55 are B plate five point locations; 2-2-6 is the sealings of B plate two roads; 2-2-7 is that B plate material gets into netted water conservancy diversion district; 2-2-8 is the perpendicular herringbone heat transfer zone of B plate; 2-2-9 is the netted water conservancy diversion of B plate material ejecting plate.2-1a-1 is A
1The plate steam inlet; 2-1a-2 is A
1The plate material outlet; 2-1a-3 is A
1The plate material inlet; 2-1a-4 is A
1Plate condensed water and fixed gas outlet; 2-1a-51 ~ 55 are A
1Plate five point locations; 2-1a-6 is A
1Plate two road sealing systems; 2-1a-7 is A
1Expanded metals shape water conservancy diversion district; 2-1a-8 is A
1Plate erects the herringbone heat transfer zone; 2-1a-9 is A
1Expanded metals shape water conservancy diversion district; 2-2a-1 is B
1The plate steam inlet; 2-2a-2 is B
1The plate material outlet; 2-2a-3 is B
1The plate material inlet; 2-2a-4 is B
1Plate condensed water and fixed gas outlet; 2-2a-51 ~ 55 are B
1Plate five point locations; 2-2a-6 is B
1The sealing of plate two roads; 2-2a-7 is B
1Expanded metals shape water conservancy diversion district; 2-2a-8 is B
1Plate erects the herringbone heat transfer zone; 2-2a-9 is B
1Expanded metals shape water conservancy diversion district; 3. seal gasket; 4. movable pressure plate; 5. hang; 6. fishbolt; 7. nut; 8. put the beams in place; 9. tailstock; 10. underbeam.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention and characteristic are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
Embodiment 1: see Fig. 1, Fig. 2, a kind of removable little treating capacity of lamina membranacea formula, big evaporation capacity evaporimeter of rising; Include and put the beams in place 8; Underbeam 10 is connected with tailstock 9 with fixed pressure plate 1, and movable pressure plate 4 is provided with hangs 5, and movable pressure plate 4 hangs on the upper beam 8; Be provided with several pieces heat transferring plates 2 between fixed pressure plate 1 and the movable pressure plate 4; Be provided with seal gasket 3 in twos between the heat transferring plate 2, fixed pressure plate 1 is fixedly connected through fishbolt 6 with movable pressure plate 4, and described heat transferring plate 2 is made up of heat transfer A plate 2-1 and heat transfer B plate 2-2.
On fixed pressure plate 1, be provided with steam inlet 1-1, material outlet 1-2, material inlet 1-4, condensed water and fixed gas outlet 1-3, steam inlet 1-1, material outlet 1-2, material inlet 1-4, condensed water and fixed gas outlet 1-3 are connected with plate steam inlet, plate material outlet, plate material inlet, plate condensed water and the fixed gas outlet that heat transferring plate 2 is provided with respectively.
See Fig. 3; The upper center of described heat transfer A plate 2-1 is provided with A plate material outlet 2-1-2; Be provided with A plate steam inlet 2-1-1 in the A plate material outlet left and right sides; The middle part, below of heat transfer A plate 2-1 is provided with A plate material inlet 2-1-3, and its lower end is provided with A plate condensed water and fixed gas outlet 2-1-4 for two jiaos; Be provided with A plate material at A plate material outlet 2-1-2 and A plate material inlet 2-1-3 place and get into netted water conservancy diversion district 2-1-7, get between plate and the water conservancy diversion between condensed water and fixed gas ejecting plate material; Be provided with the perpendicular herringbone heat transfer zone 2-1-8 of A plate between it; The other A plate two roads sealing 2-1-6 that is provided with of A expanded metals shape water conservancy diversion district 2-1-7; The netted water conservancy diversion of A plate material ejecting plate district 2-1-9 is located at A plate material outlet 2-1-2 place.
See Fig. 4; Described heat transfer B plate 2-2 and the corresponding setting of described heat transfer A plate 2-1; Its upper center is provided with B plate material outlet 2-2-2; Be provided with B plate steam inlet 2-2-1 in the B plate material outlet left and right sides, the middle part, below of heat transfer B plate 2-2 is provided with B plate material inlet 2-2-3, and its lower end is provided with B plate condensed water and fixed gas outlet 2-2-4 for two jiaos; Be provided with B plate material at B plate material outlet 2-2-2 and B plate material inlet 2-2-3 place and get into netted water conservancy diversion district 2-2-7, get between plate and the water conservancy diversion between condensed water and fixed gas ejecting plate material; Be provided with the perpendicular herringbone heat transfer zone 2-2-8 of B plate between it; The other B plate two roads sealing 2-2-6 that is provided with of B expanded metals shape water conservancy diversion district 2-2-7; The netted water conservancy diversion of B plate material ejecting plate district 2-2-9 is located at B plate material outlet 2-2-2 place.Described water conservancy diversion district has adopted the netted water conservancy diversion of chocolate bulk.The cross section in described hanger hole is " V " font
Perpendicular herringbone heat transfer zone 2-1-8 of described A plate and the perpendicular herringbone heat transfer zone 2-2-8 of B plate, its ripple angle a is 100 °, the runner opening direction of the runner opening direction of the perpendicular herringbone heat transfer zone 2-1-8 of A plate and the perpendicular herringbone heat transfer zone 2-2-8 of B plate differs 180 degree; After the perpendicular herringbone heat transfer zone 2-2-8 combination of perpendicular herringbone heat transfer zone 2-1-8 of A plate and B plate, its moulding angle is 35 °.
Be provided with at the upper/lower terminal of described heat transferring plate 2 and hang opening, the sealing gasket film trap is " V " font, and the degree of depth is 4mm, and the seal groove periphery is provided with reinforcement to improve the rigidity of plate.
At four jiaos of heat transfer A plate 2-1 and hang opening part and be provided with A plate five point location 2-1-51 ~ 55; At four jiaos of heat transfer B plate 2-2 and hang opening part and be provided with B plate five point location 2-2-51 ~ 55; Adopt five point locations, emplacement depth is 6mm.Improve the reliability of large tracts of land assembling.
Described heat transferring plate 2 adopts wide runner, and the passage intercept is 4mm, to solve easy fouling, susceptible to plugging problem.
The edge of described heat transferring plate 2 is provided with circular bubbling.
The material charging hole 2-2-1 opening of described heat transferring plate 2 is little opening, is 600*80mm
2Below.Effectively utilize the blanking area of plate, improved the effective rate of utilization of plate.Realized the evaporimeter of big evaporation capacity, little treating capacity.
Embodiment 2: see Fig. 1, and Fig. 2, a kind of removable lamina membranacea formula high throughput, little evaporation capacity evaporimeter of rising, its Fig. 1, the structure of Fig. 2 is identical with embodiment 1.
See Fig. 5, described heat transfer A
1Plate, the upper center of sheet 2-1a is provided with A
1Plate material outlet 2-1a-2 is at A
1The plate material outlet left and right sides is provided with A
1Plate steam inlet 2-1a-1, heat transfer A
1The middle part, below of plate 2-1 is provided with A
1Plate material inlet 2-1a-3, its lower end is provided with A for two jiaos
1Plate condensed water and fixed gas outlet 2-1a-4; At A
1Plate material outlet 2-1a-2 and A
1Plate material inlet 2-1a-3 place is provided with A
1The plate material gets into netted water conservancy diversion district 2-1a-7, gets between plate and water conservancy diversion between condensed water and fixed gas ejecting plate to material; Be provided with A between it
1Plate erects herringbone heat transfer zone 2-1a-8; A
1The other A that is provided with of expanded metals shape water conservancy diversion district 2-1a-7
1Plate two roads sealing 2-1a-6; A
1The netted water conservancy diversion of plate material ejecting plate district 2-1a-9 is located at A
1Plate material outlet 2-1-2 place.
See Fig. 6, described heat transfer B
1The upper center of plate 2-2a is provided with B
1Plate material outlet 2-2a-2 is at B
1The plate material outlet left and right sides is provided with B
1Plate steam inlet 2-2a-1, heat transfer B
1The middle part, below of plate 2-2a is provided with B
1Plate material inlet 2-2a-3, its lower end is provided with B for two jiaos
1Plate condensed water and fixed gas outlet 2-2a-4; At B
1Plate material outlet 2-2a-2 and B
1Plate material inlet 2-2a-3 place is provided with B
1The plate material gets into netted water conservancy diversion district 2-2a-7, gets between plate and water conservancy diversion between condensed water and fixed gas ejecting plate to material; Be provided with B between it
1Plate erects herringbone heat transfer zone 2-2a-8; B
1The other B that is provided with of expanded metals shape water conservancy diversion district 2-2a-7
1Plate two roads sealing 2-2a-6; B
1The netted water conservancy diversion of plate material ejecting plate district 2-2a-9 is located at B
1Plate material outlet 2-2a-2 place.Described water conservancy diversion district has adopted the netted water conservancy diversion of chocolate bulk.The cross section in described hanger hole () is " V " font.
Different with embodiment is that charging aperture is big, and the charging aperture magnitude range is DN200-DN350.
Described detachable type high-efficiency rises lamina membranacea formula evaporimeter, described A
1Perpendicular herringbone heat transfer zone 2-1a-8 of plate and B
1Plate erects herringbone heat transfer zone 2-2a-8, and its ripple angle a is 130 °, A
1Runner opening direction and the B of the perpendicular herringbone heat transfer zone 2-1a-8 of plate
1The runner opening direction of the perpendicular herringbone heat transfer zone 2-2a-8 of plate differs 180 degree; A
1Perpendicular herringbone heat transfer zone 2-1a-8 of plate and B
1After the perpendicular herringbone heat transfer zone 2-2a-8 combination of plate, its moulding angle is 65 °.
Be provided with at the upper/lower terminal of described heat transferring plate 2 and hang opening, the sealing gasket film trap is " V " font, and the degree of depth is 8mm, and the seal groove periphery is provided with reinforcement to improve the rigidity of plate.
At heat transfer A
1Four jiaos of plate 2-1 and hang opening part and be provided with A
1Plate five point location 2-1a-51 ~ 55; At heat transfer B
1Four jiaos of plate 2-2a and hang opening part and be provided with B
1Plate five point location 2-2a-51 ~ 55; Adopt five point locations, emplacement depth is 10mm.Improve the reliability of large tracts of land assembling.
Described heat transferring plate 2 adopts wide runner, and the passage intercept is 8mm, to solve easy fouling, susceptible to plugging problem.
The edge of described heat transferring plate 2 is provided with square bubbling.
The heat transfer that detachable type high-efficiency rises lamina membranacea formula evaporimeter belongs to phase-change heat-exchange, and steam (heat medium) from up to down flows and discharges the latent heat of vaporization and condense into liquid, and this phenomenon is called condensation heat transfer.The flow velocity of steam is very big to the influence of condensation heat transfer, when steam moves with certain speed, can produce the effect of certain power between steam and liquid film.When the flow direction of steam and liquid film is identical, the effect of this power will make the liquid film attenuate that condenses, and impel liquid film to produce certain fluctuation, so make the condensation heat transfer enhancing.When the flow direction of steam and liquid film was opposite, the effect of power can hinder liquid film and flow, and liquid film is thickened, heat transfer deterioration.But when the effect of this power surpassed gravity, liquid film can be driven and the disengaging wall by steam, and heat transfer coefficient is sharply increased.In the present invention, because runner is narrow, the effect of steam flow rate is remarkable, so the flow direction of steam is selected for use from top to bottom, and is single pass arrangement, helps the discharge that reduces pressure drop and help lime set.
Bottom-up upwards the flowing along material plate of material (heated medium) forms liquid film, and liquid film absorbs heat and on material plate, becomes bubble boiling, is vaporized into the vapour-liquid amalgam, forms significant foam, and this phenomenon is called boiling heat transfer.The flow velocity of material and secondary vapour and the thickness of liquid film are very big to the influence of boiling heat transfer; When material and secondary vapour move upward with very fast speed; Solution can be driven by secondary vapour and move upward, and is evaporating surface and evaporation rapidly with the surfaces externally and internally of foam, makes the continuous attenuate of thickness of liquid film; The reduced thickness of liquid film has improved the boiling heat transfer coefficient increase.In this equipment, because runner is the herringbone of hot Mixed Design, flow resistance is less, helps passing through fast of secondary vapour; Runner is complicated, makes the distribution of liquid film irregular, helps material and forms the bubble boiling vaporization.So the flow direction of material is selected for use from bottom to top, and be single pass arrangement, help the rising that reduces pressure drop and help secondary vapour.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the removable lamina membranacea formula evaporimeter that rises is characterized in that including upper beam, and underbeam is connected with tailstock with fixed pressure plate; Movable pressure plate is provided with to be hung; Movable pressure plate hangs on the upper beam, is provided with several pieces heat transferring plates between fixed pressure plate and the movable pressure plate, is provided with seal gasket in twos between the heat transferring plate; Fixed pressure plate is fixedly connected through fishbolt with movable pressure plate, and described heat transferring plate is made up of heat transfer A plate and heat transfer B plate.
2. the removable lamina membranacea formula evaporimeter that rises as claimed in claim 1; It is characterized in that also including and on fixed pressure plate, be provided with steam inlet, material outlet, material inlet, condensed water and fixed gas outlet, steam inlet, material outlet, material inlet, condensed water and fixed gas outlet are connected with plate steam inlet, plate material outlet, plate material inlet, plate condensed water and the fixed gas outlet that heat transferring plate is provided with respectively.
3. the removable lamina membranacea formula evaporimeter that rises as claimed in claim 1; It is characterized in that the upper center that also comprises described heat transfer A plate is provided with A plate material outlet; Be provided with A plate steam inlet in the A plate material outlet left and right sides; The middle part, below of heat transfer A plate is provided with A plate material inlet, and its lower end is provided with A plate condensed water and fixed gas outlet for two jiaos; Be provided with A plate material at A plate material outlet and A plate material inlet place and get into netted water conservancy diversion district; Be provided with the perpendicular herringbone heat transfer zone of A plate between it; Other A plate two roads that are provided with, A expanded metals shape water conservancy diversion district seal; The netted water conservancy diversion of A plate material ejecting plate district is located at A plate material outlet place.
4. the removable lamina membranacea formula evaporimeter that rises as claimed in claim 1; It is characterized in that the upper center that also comprises described heat transfer B plate is provided with B plate material outlet; Be provided with B plate steam inlet in the B plate material outlet left and right sides; The middle part, below of heat transfer B plate is provided with B plate material inlet, and its lower end is provided with B plate condensed water and fixed gas outlet for two jiaos; Be provided with B plate material at B plate material outlet and B plate material inlet place and get into netted water conservancy diversion district; Be provided with the perpendicular herringbone heat transfer zone of B plate between it; Other B plate two roads that are provided with, B expanded metals shape water conservancy diversion district seal; The netted water conservancy diversion of B plate material ejecting plate district is located at B plate material outlet place.
5. the removable lamina membranacea formula evaporimeter that rises as claimed in claim 1; It is characterized in that perpendicular herringbone heat transfer zone of described A plate and the perpendicular herringbone heat transfer zone of B plate; Its ripple angle a is 100-130 °, and the runner opening direction of the runner opening direction of the perpendicular herringbone heat transfer zone of A plate and the perpendicular herringbone heat transfer zone of B plate is opposite; After the perpendicular herringbone heat transfer zone combination of perpendicular herringbone heat transfer zone of A plate and B plate, its moulding angle is 35 °-65 °.
6. detachable type high-efficiency as claimed in claim 1 rises lamina membranacea formula evaporimeter, it is characterized in that upper/lower terminal at described heat transferring plate is provided with to hang opening, and the sealing gasket film trap is " V " font, and the degree of depth is 4-8mm, and the seal groove periphery is provided with reinforcement.
7. the removable lamina membranacea formula evaporimeter that rises as claimed in claim 1 is characterized in that at four jiaos of heat transfer A plate and hangs opening part and be provided with A plate five point locations; At four jiaos of heat transfer B plate and hang opening part and be provided with B plate five point locations; Emplacement depth is 6-10mm.
8. the removable lamina membranacea formula evaporimeter that rises as claimed in claim 1 is characterized in that described heat transferring plate, and the passage intercept is 4-8mm.
9. like the described removable lamina membranacea formula evaporimeter that rises of claim 1 to 8, it is characterized in that the edge of described heat transferring plate is provided with circular or square bubbling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102533656A CN102728081A (en) | 2012-07-22 | 2012-07-22 | Detachable climbing film plate type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102533656A CN102728081A (en) | 2012-07-22 | 2012-07-22 | Detachable climbing film plate type evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102728081A true CN102728081A (en) | 2012-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102533656A Pending CN102728081A (en) | 2012-07-22 | 2012-07-22 | Detachable climbing film plate type evaporator |
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| Country | Link |
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| CN (1) | CN102728081A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096864A (en) * | 2016-11-24 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of plate-type evaporator |
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| CN202942655U (en) * | 2012-07-22 | 2013-05-22 | 甘肃蓝科石化高新装备股份有限公司 | Detachable efficient film raising plate type evaporator |
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| US3155565A (en) * | 1956-03-21 | 1964-11-03 | Apv Co Ltd | Flat film evaporation liquid concentration method |
| US4572766A (en) * | 1982-06-02 | 1986-02-25 | W. Schmidt Gmbh & Co. K.G. | Plate evaporator or condenser |
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| CN108096864A (en) * | 2016-11-24 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of plate-type evaporator |
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Application publication date: 20121017 |