CN103721518B - A kind of gas condenser - Google Patents
A kind of gas condenser Download PDFInfo
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- CN103721518B CN103721518B CN201310753046.6A CN201310753046A CN103721518B CN 103721518 B CN103721518 B CN 103721518B CN 201310753046 A CN201310753046 A CN 201310753046A CN 103721518 B CN103721518 B CN 103721518B
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Abstract
The invention provides a kind of gas condenser, the uniformity of refrigeration can be improved, improve refrigeration.Described gas condenser comprises the condenser pipe vertically extended, described condenser pipe comprises inner core and is sleeved on the urceolus outside described inner core, described inner core is fitted with the inwall of its outer wall and described urceolus, and having helicla flute between described inner core and urceolus, described spiral fluted two ends are communicated with gas outlet with air inlet respectively.Condenser pipe can be set to the structure of inner/outer tube suit, and helicla flute is offered between inner/outer tube, it is thinner that the arranging of this structure can make spiral fluted conduit thickness design, and can accelerate radiating efficiency, to improve gas cooling velocity, improve cooling effect; What is more important, because said structure can make spiral fluted lower thickness, therefore is in gas inside helicla flute and is in the speed difference that the gas outside helicla flute outwards dispels the heat less, thus can improve gas-cooled uniformity.
Description
Technical field
The present invention relates to gas impurity removing technology field, particularly relate to a kind of gas condenser.
Background technology
In industries such as Chemical Manufacture and metallurgical smeltings, in order to carry out technology controlling and process to a certain production workshop section, just need the gas produced this workshop section to carry out component analysis, the gas of this workshop section generation can be chosen as sample gas.
Needed to carry out pretreatment before carrying out gas data analysis, described pretreatment refers to the set-up procedure of carrying out before carrying out gas data analysis, pretreated main purpose realizes the dewatering of gas, dedusting, falls gently dried etc., to ensure accuracy and the reliability of gas analysis data, it is very important link in gas analysis.
Please refer to Fig. 1, Fig. 1 is the cross-sectional view of a kind of set-up mode of gas condenser in prior art.
Existing condenser adopts spiral tube structure usually, as shown in Figure 1, existing condenser is included in the stay pipe 1 ' that above-below direction extends and the helix tube 2 ' being looped around stay pipe 1 ' outside spirally, the upper end of helix tube 2 ' is communicated with inlet suction port 3 ', gas to be cooled is introduced in helix tube 2 ', outside radiating and cooling in the process that gas flows downward along helix tube 2 '; The lower end of helix tube 2 ' is communicated with water out adapter 4 ', then in the process of condensation, the water vapor condensation in gas becomes aqueous water, and the tube wall along helix tube 2 ' flows downward, and is discharged by water out adapter 4 '; The lower end of helix tube 2 ' is communicated with the lower end of stay pipe 1 ', gas then after helix tube 2 ' dewaters enters in stay pipe 1 ', and upwards flow along stay pipe 1 ', the upper end of stay pipe 1 ' is communicated with air outlet adapter 5 ', so that the gas after dewatering carries out analyzing and processing by air outlet adapter 5 ' inflow gas analytical equipment.
In above process, gas to be cooled is in helix tube 2 ', and the caliber of helix tube 2 ' is set to circle usually, then the gas being in helix tube 2 ' inner is also rounded; Under normal circumstances, the caliber of helix tube 2 ' is larger, according to radiating principle, radiating rate near the gas (being namely in the gas of periphery) of helix tube 2 ' tube wall is very fast, the radiating rate being in circular middle gas is slower, gas then very likely cools insufficient, causes gas-cooled uniformity poor; Meanwhile, the caliber of helix tube 2 ' is comparatively large, and the gas being in helix tube 2 ' inner is radially stacked at it, reduces radiating efficiency, and the effect causing employing helix tube 2 ' to carry out freezing is poor, and the moisture in gas can not fully be removed, and affects follow-up gas analysis.
Again owing to being subject to the restriction of technology and cost, be difficult to the caliber reducing helix tube 2 ' on the basis of existing technology further, therefore, how to look for another way, design a kind of gas condenser, to improve the uniformity of refrigeration, improving refrigeration, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of gas condenser, the uniformity of refrigeration can be improved, improve refrigeration.
For solving the problems of the technologies described above, the invention provides a kind of gas condenser, comprise the condenser pipe vertically extended, described condenser pipe comprises inner core and is sleeved on the urceolus outside described inner core, described inner core is fitted with the inwall of its outer wall and described urceolus, and having helicla flute between described inner core and urceolus, described spiral fluted two ends are communicated with gas outlet with air inlet respectively.
Condenser pipe can be set to the structure of inner/outer tube suit, and helicla flute is offered between inner/outer tube, it is thinner that the arranging of this structure can make spiral fluted conduit thickness design, compared with the helix tube that caliber in prior art is larger, gas thickness in helicla flute of the present invention is thinner, can radiating efficiency be accelerated, to improve gas cooling velocity, improve cooling effect; What is more important, because said structure can make spiral fluted lower thickness, therefore is in gas inside helicla flute and is in the speed difference that the gas outside helicla flute outwards dispels the heat less, thus can improve gas-cooled uniformity.
Preferably, described spiral fluted thickness is no more than 5% of the caliber of described condenser pipe, and width is not less than 10mm.
Preferably, the outer wall of described inner core is inwardly recessed in the shape of a spiral, to form described helicla flute.
Preferably, described spiral fluted conduit is that ribbon is arranged, and the thickness of described conduit is less than its width.
When spiral fluted conduit be ribbon arrange time, the thickness of gas in conduit can be reduced further, make gas be uniformly distributed in the axis of condenser pipe as far as possible, to improve cooling uniformity, improve cooling effect.
Preferably, described spiral fluted upper end is communicated with described air inlet, the cavity connects of lower end and described inner core, and the upper end of described cavity is communicated with described gas outlet, and described helicla flute is all communicated with delivery port with the lower end of cavity.
Helicla flute can be communicated with delivery port with the lower end of cavity, the condensed water formed in cooling procedure is flowed out by delivery port under gravity, and then the moisture in removing gas; Meanwhile, gas outlet can be arranged on upper end, so that gas is naturally moved upward and discharged by gas outlet, carry out follow-up sample gas analyzing and processing.
Preferably, also comprise the upper head plate of shutoff in described inner core and urceolus upper end, and shutoff is at the bottom plate of both lower ends, described air inlet and gas outlet are opened in the both sides of described upper head plate respectively, and described delivery port is opened in the middle part of described bottom plate.
Air inlet and gas outlet can be offered in the both sides of upper head plate, thus air inlet and gas outlet are separated from each other, in order to avoid both produce mutual interference.
Preferably, described upper head plate embeds described inner core with its lower end, and circumferentially offer groove in the position corresponding with the conduit of described helicla flute upper end, described air inlet extends to described groove from top to bottom, described air inlet, groove and helicla flute are communicated with successively, and described gas outlet is through described upper head plate from top to bottom.
Groove can be offered in the circumference of upper end, and then be communicated with helicla flute by circumferential recess, when gas enters groove through air inlet, can be cushioned by groove, enter comparatively equably to cool in helicla flute with gas to be cooled, improve the adequacy of cooling.
Preferably, also comprise the inlet suction port be communicated with described air inlet and the air outlet adapter be communicated with described gas outlet, the opening of described inlet suction port is higher than the opening of described air outlet adapter.
Because the gas temperature entering air inlet is higher, lower from gas outlet effluent air temperature, therefore the opening of opening higher than air outlet adapter of inlet suction port can be set, to ensure that high-temperature gas flows into inlet suction port smoothly, cryogenic gas flows out condenser pipe smoothly.
Preferably, the water out adapter be communicated with described delivery port is also comprised.
Preferably, described delivery port is through described bottom plate from top to bottom, and the inwall of described bottom plate extends to the upper end of described delivery port from outside to inside obliquely, thus forms guide face on bottom plate, so that condensed water discharges after being pooled to delivery port smoothly.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of set-up mode of gas condenser in prior art;
Fig. 2 is the cross-sectional view of gas condenser provided by the present invention in a kind of detailed description of the invention.
In Fig. 1:
1 ' stay pipe, 2 ' helix tube, 3 ' inlet suction port, 4 ' water out adapter, 5 ' air outlet adapter
In Fig. 2:
1 condenser pipe, 11 inner cores, 111 cavitys, 12 urceolus, 13 helicla flutes, 2 air inlets, 3 gas outlets, 4 delivery ports, 5 upper head plates, 51 grooves, 6 bottom plates, 7 inlet suction ports, 8 air outlet adapters, 9 water out adapters
Detailed description of the invention
Core of the present invention is to provide a kind of gas condenser, can improve refrigeration, makes the temperature of each several part gas comparatively even.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2, Fig. 2 is the cross-sectional view of gas condenser provided by the present invention in a kind of detailed description of the invention.
Gas condenser of the present invention, be included in the condenser pipe 1 that vertical direction extends, condenser pipe 1 comprises inner core 11 and urceolus 12, and urceolus 12 is sleeved on the outside of inner core 11, and the inwall of the outer wall of inner core 11 and urceolus 12 is fitted, namely substantially there is not gap between inner core 11 and urceolus 12; Helicla flute 13 can be offered between inner core 11 and urceolus 12, helicla flute 13 vertically condenser pipe 1 circumferential hoop around, and the two ends of helicla flute 13 are communicated with gas outlet 3 with air inlet 2 respectively; Pass through said structure, gas to be cooled can enter in helicla flute 13 by air inlet 2, and flow along helicla flute 13, by urceolus 12 constantly outwards heat radiation in the process of constantly flowing in helicla flute 13, thus reduction gas temperature, discharged by gas outlet 3 after gas has cooled, carry out follow-up analyzing and processing.
Described vertical direction refers to the installment state of condenser pipe 1 when normal operating condition herein, and in using state, direction is straight up upper, under direction is straight down; Described inside and outside with the axis of condenser pipe 1 for reference, in the direction of described axis is, correspondingly, the direction away from described axis is outward.
Condenser pipe 1 refers to condenser pipe 1 in the vertical direction extension substantially in vertical direction extension, the i.e. axially cardinal principle in the vertical direction of condenser pipe 1, not referring to that condenser pipe 1 only can the through setting of in the vertical direction definitely, can there is less departing from opposed vertical direction in its axis.
Because condenser pipe 1 is set to the version of inner core 11 and urceolus 12 suit, helicla flute 13 can be processed to form between two barrels, now can controls the structure of helicla flute 13 better, to be processed to form the conduit of thinner thickness; Compared with the helix tube that caliber in prior art is larger, helicla flute 13 of the present invention can the thinner conduit of design forming, so that gas is laid in conduit comparatively equably, not only can accelerate radiating rate, the uniformity of heat radiation can also be improved, improve refrigeration.
In condenser pipe 1 of the present invention, the thickness H that can arrange helicla flute 13 is less than predetermined value, and the thickness H of described helicla flute 13 refers to the size of its conduit in condenser pipe 1 radial direction; When the thickness H of helicla flute 13 is less than predetermined value, its thinner thickness, the distance be then between the gas of helicla flute 13 inside and the gas being in helicla flute 13 outside is less, therefore internal gas differs less with the radiating rate of extraneous gas, thus improve gas-cooled uniformity, reduce the inhomogeneous cooling between inside and outside gas, improve refrigeration; Be appreciated that, when the thinner thickness of helicla flute 13, the gas be in its conduit can be arranged along the pipeline tiling of inner core 11 and urceolus 12 substantially, the setting of this " gas thin layer " is convenient to the heat of gas in groove and is outwards transmitted, to accelerate radiating rate, improve cooling effectiveness, gas is cooled more fully, improves refrigeration.
Described predetermined value is arranged according to the cooling requirement of gas.Gas completes cooling in helicla flute 13, then its cool time is the flowing time in helicla flute 13, and the length of helicla flute 13 is longer, thickness is thinner, and cooling effect is better; When helicla flute 13 length is certain, gas flow temperature after helicla flute 13 needs to be reduced to a certain degree, and to meet follow-up analysis user demand, then gas is flowing through after thickness H is the helicla flute 13 of predetermined value, can meet the minimum standard of user demand.
Such as, the thickness of described helicla flute 13 can be no more than 5% of the caliber of described condenser pipe 1, and width can be not less than 10mm, so that helicla flute 13 forms the structure of flat, is beneficial to the contact area increasing gas and pipeline, strengthens condensation effect.
Under normal circumstances, gas flow is after helicla flute 13, steam in gas can be condensed into aqueous water, to remove the moisture in gas, be convenient to the follow-up analysis carrying out gas componant, therefore when the thickness H of helicla flute 13 is set to predetermined value, the temperature of gas needs to be reduced to the demand that most of water vapor condensation wherein can be become aqueous water.Obviously, when gas exists condensation of gas demand, described predetermined value can be adjusted, to reduce the thickness H of helicla flute 13 further or suitably to increase the thickness H of helicla flute 13.
Certainly, the thickness H of helicla flute 13 arranges the length etc. also will taking into account cooling effectiveness and condenser pipe 1, to realize gas cooling sooner, better.
Particularly, the outer wall of inner core 11 can be inwardly recessed in the shape of a spiral, to form described helicla flute 13; Also can the recessed conduit of helical form be set on the inwall of urceolus 12, to form described helicla flute 13; Or, by recessed in the opposite direction respectively for the inwall of the outer wall of inner core 11 and urceolus 12, described helicla flute 13 can be formed with common combination.
The outer wall of inner core 11 is concavely formed in the structure of helicla flute 13, the process of helicla flute 13 can be simplified, urceolus 12 can also be made to keep original thickness, so that whole condenser pipe 1 has higher intensity.
The conduit of helicla flute 13 can be set to ribbon, and the thickness H that can also arrange conduit is less than its width, and described width refers to the distance of conduit at above-below direction of helicla flute 13; When the thickness H of conduit is less than its width, more gas, along the axial distribution of condenser pipe 1, can not overstock the thickness direction at conduit too much, therefore gas fully can contact with the barrel of inner core 11 with urceolus 12 in the process of flowing, to accelerate radiating rate, realize the abundant cooling of gas; Because the thickness H of conduit is less, there is not too much gas at the zone line of radial direction, compared with the helix tube of prior art, there will not be intermediate gas to cool insufficient phenomenon, gas-cooled uniformity can be improved.
Meanwhile, banded channel structure can make gas thickness H in the axial direction comparatively even, and remains on thinner state, with the cooling velocity of equalization gas, improves refrigeration further.
Can expect, the conduit of helicla flute 13 can also be set to other shapes, and such as, conduit cross section in the axial direction can in inverted trapezoidal.Describedly invertedly trapezoidally to refer to, trapezoidal long edge position is in outside, and minor face is in inner side, then the width of conduit increases progressively on direction from inside to outside, so that more gas is in the outside of conduit, to accelerate cooling velocity, improve cooling effect, remove moisture contained in gas more fully.
The conduit of helicla flute 13 can also be set to other rule or irregular shapes, as required to improve refrigeration.
In detail, the middle part of inner core 11 has cavity 111, and the upper end of cavity 111 is communicated with gas outlet 3; The upper end of helicla flute 13 can be communicated with air inlet 2, and lower end is communicated with the cavity 111 of inner core 11, then the lower end of helicla flute 13 can be communicated with gas outlet 3 by cavity 111; Cavity 111 is all communicated with delivery port 4 with the lower end of helicla flute 13, as shown in Figure 2.
Adopt said structure, gas enters from the upper end of helicla flute 13, and flow in cavity 111 from lower end, in the process, the condensed water that cooling is formed also flows in cavity 111, then condensed water flows downward under gravity, discharged by delivery port 4, through the gas after water treatment because density is less, can move upward along cavity 111, and discharge from the gas outlet 3 of cavity 111 upper end.
Visible, arranged by said structure, first cooled gas can enter in cavity 111 and cushion, and gives steam sufficient condensation time, so that the fully dry rear inflow gas outlet, upper end 3 by cavity 111 of gas; Meanwhile, condensed water can enter delivery port 4 by the lower end of cavity 111 under gravity, without the need to providing drainage power, further simplify structure.
On the basis of the above, upper head plate 5 can also be set in the upper end of inner core 11 and urceolus 12, so that by both upper end shutoff, bottom plate 6 be set in the lower end of inner core 11 and urceolus 12, so that by both lower end shutoff, then cavity 111 is equivalent to a closed cavity; Air inlet 2 and gas outlet 3 all can be opened on upper head plate 5, and air inlet 2 and gas outlet 3 are separately positioned on the both sides of upper head plate 5, namely both mutually away from, avoid both close together to produce interference, and be not easy to install; Delivery port 4 can be opened in the middle part of bottom plate 6, to discharge after being collected by condensed water.
Under normal circumstances, the both sides that described air inlet 2 and gas outlet 3 are in described upper head plate 5 respectively refer to, air inlet 2 and gas outlet 3 are in two semicircles of upper head plate 5 respectively, or both are not in same 1/4 sector region of upper head plate 5; Delivery port 4 is in the middle part of bottom plate 6 for two ends, and centre position of not making a comment or criticism definitely, that is, delivery port 4 can be opened in the zone line formed to external diffusion certain distance by the center of bottom plate 6.
Upper head plate 5 can embed in inner core 11 with its lower end, and as shown in Figure 2, groove 51 is offered in then corresponding with the upper end conduit of helicla flute 13 on upper head plate 5 position, groove 51 circumferentially, to be communicated with in the circumferential with the upper end conduit of helicla flute 13; Air inlet 2 extends to groove 51 place from top to bottom, and is communicated with groove 51, then air inlet 2, groove 51 are communicated with successively with helicla flute 13, cools to be introduced in helicla flute 13 by gas; Gas outlet 3 is through upper head plate 5 from top to bottom, to be communicated with cavity 111.
Because air inlet 2 is communicated with helicla flute 13 by groove 51, then first gas can enter in groove 51 by air inlet 12, and be stored in groove 51, then evenly spread to helicla flute 13 by groove 51, to carry out equilibrium to gas, the flow velocity of mitigation of gases, and then gas is fully cooled in helicla flute 13; Groove 51 can realize being connected of air inlet 2 and helicla flute 13, and the sudden change reducing gas flow is on the impact of gas flow rate and flow.
Gas outlet 3 can directly throughly be arranged on upper head plate 5, so that the gas after dewatering flows to gas outlet 3 smoothly by cavity 111, reduces the resistance that gas flows out, thus is drawn sooner, better by the gas after dewatering.
For ease of inflow and the outflow of gas, inlet suction port 7 can also be communicated with on air inlet 2, gas outlet 3 be communicated with air outlet adapter 8, and the opening of inlet suction port 7 is higher than the opening of air outlet adapter 8.
Due to the high-temperature gas that the gas entered from inlet suction port 7 is without cooling, its density is less, and be cooled cryogenic gas from air outlet adapter 8 effluent air, it is low before its density cools relatively, if two joints are in sustained height or inlet suction port 7 lower than air outlet adapter 8, probably cause the mutual interference of high-temperature gas and temperature gas, carrying out smoothly of impact cooling.Therefore, inlet suction port 7 and air outlet adapter 8 can be set, not only be convenient to guide gas, the height of two joints can also be set, avoid air inlet and give vent to anger mutually disturbing, ensure that carrying out smoothly of cooling, improve cooling effectiveness.
In like manner, water out adapter 9 can also be communicated with on delivery port 4, condensed water is discharged by water out adapter 9.
Simultaneously, delivery port 4 can also from top to bottom through bottom plate 6, and the inwall of bottom plate 6 can extend from outside to inside obliquely, until arrive the upper port of delivery port 4, the inwall that then lower end does 6 is equivalent to deflector, the condensed water condensed on inner core 11 inwall is introduced delivery port 4, is convenient to condensed water and enters delivery port 4 and discharge, reach good water removal effect.
In addition, described through refer to that its axis is in above-below direction substantially from top to bottom herein, also can depart from the less angle of above-below direction; Certainly, through direction is not for all affecting formed structure from top to bottom or from the bottom to top.
It should be noted that, the filled arrows in Fig. 2 represents the flow direction of uncolled gas; Hollow arrow represents the flow direction of the rear gas of cooling, and in Fig. 2, left side represents top, and right side represents below.
Above gas condenser provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands core concept of the present invention for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a gas condenser, comprise the condenser pipe (1) vertically extended, it is characterized in that, described condenser pipe (1) comprises inner core (11) and is sleeved on described inner core (11) urceolus outward (12), described inner core (11) is fitted with the inwall of its outer wall and described urceolus (12), and having helicla flute (13) between described inner core (11) and urceolus (12), the two ends of described helicla flute (13) are communicated with gas outlet (3) with air inlet (2) respectively;
The upper end of described helicla flute (13) is communicated with described air inlet (2), lower end is communicated with the cavity (111) of described inner core (11), the upper end of described cavity (111) is communicated with described gas outlet (3), and described helicla flute (13) is all communicated with delivery port (4) with the lower end of cavity (111).
2. gas condenser as claimed in claim 1, it is characterized in that, the thickness of described helicla flute (13) is no more than 5% of the caliber of described condenser pipe (1), and width is not less than 10mm.
3. gas condenser as claimed in claim 2, is characterized in that, the conduit of described helicla flute (13) is that ribbon is arranged, and the thickness of described conduit is less than its width.
4. gas condenser as claimed in claim 3, it is characterized in that, the outer wall of described inner core (11) is inwardly recessed in the shape of a spiral, to form described helicla flute (13).
5. the gas condenser as described in any one of claim 1-4, it is characterized in that, also comprise the upper head plate (5) of shutoff in described inner core (11) and urceolus (12) upper end, and shutoff is at the bottom plate (6) of both lower ends, described air inlet (2) and gas outlet (3) are opened in the both sides of described upper head plate (5) respectively, and described delivery port (4) is opened in the middle part of described bottom plate (6).
6. gas condenser as claimed in claim 5, it is characterized in that, described upper head plate (5) embeds described inner core (11) with its lower end, and circumferentially offer groove (51) in the position corresponding with the conduit of described helicla flute (13) upper end, described air inlet (2) extends to described groove (51) from top to bottom, described air inlet (2), groove (51) and helicla flute (13) are communicated with successively, and described gas outlet (3) are through described upper head plate (5) from top to bottom.
7. the gas condenser as described in any one of claim 1-4, it is characterized in that, also comprise the inlet suction port (7) be communicated with described air inlet (2) and the air outlet adapter (8) be communicated with described gas outlet (3), the opening of described inlet suction port (7) is higher than the opening of described air outlet adapter (8).
8. gas condenser as claimed in claim 7, is characterized in that, also comprise the water out adapter (9) be communicated with described delivery port (4).
9. gas condenser as claimed in claim 8, it is characterized in that, described delivery port (4) is through described bottom plate (6) from top to bottom, and the inwall of described bottom plate (6) extends to the upper end of described delivery port (4) from outside to inside obliquely.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310753046.6A CN103721518B (en) | 2013-12-31 | 2013-12-31 | A kind of gas condenser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310753046.6A CN103721518B (en) | 2013-12-31 | 2013-12-31 | A kind of gas condenser |
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| CN103721518A CN103721518A (en) | 2014-04-16 |
| CN103721518B true CN103721518B (en) | 2015-12-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596319A (en) * | 2014-11-21 | 2015-05-06 | 桂林新艺制冷设备有限责任公司 | Gas condenser |
| CN110624316B (en) * | 2018-06-25 | 2021-07-30 | 颉能科技股份有限公司 | Water collector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2483591A1 (en) * | 1980-06-03 | 1981-12-04 | Creusot Loire | Gas and liquid heat exchanger - has liquid tubes with external spiral fins either smooth or non continuous |
| CN2324522Y (en) * | 1998-05-10 | 1999-06-16 | 朱有超 | Fast sleeve type heat exchanger |
| CN2879085Y (en) * | 2006-04-03 | 2007-03-14 | 天津三延精密机械有限公司 | Condensing device for vacuum extracting concentrated packaging machine |
| CN1995873A (en) * | 2006-12-28 | 2007-07-11 | 董令玉 | Two-stage direct-cooling type highly-efficient evaporator |
| CN201258323Y (en) * | 2008-06-17 | 2009-06-17 | 莫津 | Condenser core |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000304895A (en) * | 1999-04-22 | 2000-11-02 | Toshiba Corp | Heat exchanger |
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2013
- 2013-12-31 CN CN201310753046.6A patent/CN103721518B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2483591A1 (en) * | 1980-06-03 | 1981-12-04 | Creusot Loire | Gas and liquid heat exchanger - has liquid tubes with external spiral fins either smooth or non continuous |
| CN2324522Y (en) * | 1998-05-10 | 1999-06-16 | 朱有超 | Fast sleeve type heat exchanger |
| CN2879085Y (en) * | 2006-04-03 | 2007-03-14 | 天津三延精密机械有限公司 | Condensing device for vacuum extracting concentrated packaging machine |
| CN1995873A (en) * | 2006-12-28 | 2007-07-11 | 董令玉 | Two-stage direct-cooling type highly-efficient evaporator |
| CN201258323Y (en) * | 2008-06-17 | 2009-06-17 | 莫津 | Condenser core |
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