CN115143662A - Liquid dripping device capable of achieving uniform distribution - Google Patents
Liquid dripping device capable of achieving uniform distribution Download PDFInfo
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- CN115143662A CN115143662A CN202210780536.4A CN202210780536A CN115143662A CN 115143662 A CN115143662 A CN 115143662A CN 202210780536 A CN202210780536 A CN 202210780536A CN 115143662 A CN115143662 A CN 115143662A
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- disc
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
Abstract
The invention provides a liquid dripping device with uniform distribution, which adopts a multilayer partition flow guide structure and a dripping and liquid distributing mode of a sawtooth dripping plate and consists of a liquid collecting pipe group, an upper disc, a longitudinal lower disc and a transverse lower disc; the liquid collecting pipe group and the upper plate form a closed dripping and sprinkling and spreading structure, the longitudinal lower plate and the transverse lower plate form a combined lower plate, the combination adopts a mode of combining an open partition liquid storage structure and a closed partition distribution dripping and sprinkling structure, and a liquid guide structure is adopted between the upper plate and the lower plate. The device designed by the invention can uniformly distribute and uniformly drip liquid on the heat transfer pipe, avoids the reduction of the heat exchange performance of the unit, ensures that the lithium bromide absorption type unit can still normally operate when swinging on the sea, recovers various waste heat resources generated in the running process of a ship, prepares cold water and realizes the effective utilization of energy.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and particularly relates to a liquid distribution device.
Background
The lithium bromide absorption type machine set uses lithium bromide solution as absorbent, uses water as refrigerant, and utilizes the evaporation and heat absorption of water under the vacuum state to attain the goal of refrigeration, in the lithium bromide machine set the refrigerant vapour produced by evaporation of refrigerant water in the evaporator can be absorbed by lithium bromide concentrated solution, and the solution is gradually diluted, and said process is implemented in the absorber, then uses heat energy as power to heat the dilute solution in the generator to make its water content be separated out so as to form concentrated solution, and the refrigerant vapour is condensed into water in the condenser, and passed through the evaporator and evaporated, so that the circulation can attain the goal of continuous refrigeration. When the lithium bromide absorption type unit is applied to a ship for waste heat recovery, the unit swings left and right along with sea waves, so that the flow of a lithium bromide solution and refrigerant water is greatly influenced, for example, a conventional liquid dripping and sprinkling device adopted by the Chinese invention patent ZL201510828063.0 is easy to have the phenomenon of uneven dripping and sprinkling liquid quantity, and the heat exchange performance of the unit is reduced. Therefore, how to realize the uniform distribution and dripping of liquid in the inclined or swinging state of the marine lithium bromide absorption unit and ensure the stability of unit operation becomes a technical problem to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to solve the problem of uneven dripping and spraying liquid when a marine lithium bromide absorption unit inclines or swings, and provides a uniformly-distributed liquid dripping device for improving the working efficiency of the marine lithium bromide absorption unit.
The technical scheme adopted by the invention for solving the problems is as follows:
a liquid dripping device with uniform distribution comprises a liquid collecting pipe group 1, an upper disc 2 and a lower disc;
the liquid collecting pipe group 1 and one or more upper plates 2 form a closed drip spraying and spreading structure;
the lower disc consists of a liquid storage area and a distribution dripping area, the liquid storage area adopts an open partition structure, and the distribution dripping area adopts a closed partition structure; the upper tray 2 and the lower tray are firmly connected by adopting a liquid guide structure, and the upper tray 2 is communicated with the liquid storage area.
Preferably, the lower plate comprises a longitudinal lower plate 3 and a transverse lower plate 4;
the longitudinal lower disc 3 consists of a longitudinal lower disc liquid storage area 3A and a longitudinal lower disc distribution dripping area 3B, the longitudinal lower disc liquid storage area 3A adopts an open partition structure, and the longitudinal lower disc distribution dripping area 3B adopts a closed partition structure; a liquid flow guiding structure is adopted between the upper disc 2 and the longitudinal lower disc 3, and the longitudinal lower disc 3 and the heat transfer pipe 7 are vertically arranged in the length direction and are arranged at two sides of the heat transfer pipe 7;
the transverse lower plate 4 consists of a transverse lower plate liquid storage area 4A and a transverse lower plate distribution dripping area 4B, the transverse lower plate liquid storage area 4A adopts an open partition structure, and the transverse lower plate distribution dripping area 4B adopts a closed partition structure; a liquid flow guide structure is adopted between the upper disc 2 and the transverse lower disc 4; the upper disc 2 and the transverse lower disc 4 are fixed by an upper disc connecting plate 6 and a lower disc connecting plate 6, and the transverse lower disc 4 and the heat transfer pipe 7 are arranged in parallel;
the longitudinal lower disc 3 and the transverse lower disc 4 are fixed by a lower disc connecting plate 5.
Preferably, the liquid collecting pipe group 1 consists of a liquid collecting pipe 1-1, a liquid collecting pipe sealing plate 1-2, a liquid collecting distribution hole 1-3 and a liquid collecting pipe liquid inlet 1-4; two ends of the liquid collecting tube 1-1 are sealed by liquid collecting tube sealing plates 1-2, a liquid inlet 1-4 of the liquid collecting tube is arranged on the liquid collecting tube 1-1, and liquid collecting distribution holes 1-3 are uniformly formed in the liquid collecting tube 1-1.
The closed dripping and sprinkling and scattering structure consisting of the liquid collecting pipe group 1 and the upper disc 2 ensures that the upper disc is always in a full liquid state, and avoids the phenomenon that the upper disc does not flow down due to the liquid throwing condition when the open upper disc structure inclines or swings.
The longitudinal lower disc 3 consists of a longitudinal lower disc liquid storage area 3A and a longitudinal lower disc distribution dripping area 3B, the longitudinal lower disc liquid storage area 3A adopts an open partition structure, and the longitudinal lower disc distribution dripping area 3B adopts a closed partition structure; a liquid flow guiding structure is adopted between the upper disc 2 and the longitudinal lower disc 3, and the longitudinal lower disc 3 and the heat transfer pipe 7 are vertically arranged in the length direction and are arranged at two sides of the heat transfer pipe;
the transverse lower plate 4 consists of a transverse lower plate liquid storage area 4A and a transverse lower plate distribution dripping area 4B, the transverse lower plate liquid storage area 4A adopts an open partition structure, and the transverse lower plate distribution dripping area 4B adopts a closed partition structure; a liquid flow guide structure is adopted between the upper disc 2 and the transverse lower disc 4; the transverse lower disc 4 is arranged in parallel with the heat transfer pipe 7;
an upper disc distribution elbow 2-3 and an upper disc distribution straight pipe 2-4 of the upper disc 2 correspond to a longitudinal lower disc liquid storage area 3A and a transverse lower disc liquid storage area 4A;
the longitudinal lower disc 3 and the transverse lower disc 4 are fixed by a lower disc connecting plate 5.
Preferably, the liquid collecting pipe group 1 consists of a liquid collecting pipe 1-1, a liquid collecting pipe sealing plate 1-2, a liquid collecting distribution hole 1-3 and a liquid inlet 1-4 of the liquid collecting pipe; the two ends of the liquid collecting tube 1-1 are sealed by liquid collecting tube sealing plates 1-2, a liquid collecting tube liquid inlet 1-4 is formed in the liquid collecting tube 1-1, liquid collecting distribution holes 1-3 are uniformly formed in the liquid collecting tube 1-1, liquid enters the liquid collecting tube group 1 from the liquid collecting tube liquid inlet 1-4, and the liquid is uniformly distributed by the liquid collecting distribution holes 1-3 and then flows out of the liquid collecting tube group 1;
preferably, the upper disc 2 consists of an upper disc dripping pipe 2-1, an upper disc dripping pipe sealing plate 2-2, an upper disc distribution bent pipe 2-3, an upper disc distribution straight pipe 2-4, an upper disc distribution hole 2-5 and an upper disc liquid inlet interface 2-6;
the two sides of the upper disc dripping pipe 2-1 are sealed by upper disc dripping pipe sealing plates 2-2, the upper disc dripping pipe 2-1 is provided with an upper disc liquid inlet interface 2-6, the lower side, the left side and the right side of the upper disc dripping pipe 2-1 are uniformly provided with upper disc distribution holes 2-5, the left side and the right side of the upper disc dripping pipe 2-1 are connected with an upper disc distribution bent pipe 2-3, the lower side of the upper disc dripping pipe 2-1 is connected with an upper disc distribution straight pipe 2-4, and the upper disc liquid inlet interface 2-6 is connected with a liquid collection pipe 1-1 on the liquid collection pipe group 1.
Preferably, the upper disc liquid inlet interfaces 2-6 correspond to liquid collection distribution holes 1-3 on the liquid collection pipe group 1 one by one, liquid enters the upper disc dripping pipe 2-1 from the upper disc liquid inlet interfaces 2-6, and the liquid is uniformly distributed by the upper disc distribution holes 2-5 and then flows out of the upper disc 2 from the upper disc distribution bent pipe 2-3 or the upper disc distribution straight pipe 2-4.
Preferably, the longitudinal lower disc 3 adopts a mode of combining an open type partition liquid storage structure with a closed type partition liquid distribution dripping and sprinkling structure, a longitudinal lower disc liquid storage area 3A consists of a longitudinal lower disc liquid storage disc 3-1, a longitudinal lower disc partition plate 3-2, longitudinal lower disc distribution holes 3-3 and longitudinal lower disc liquid storage partitions 3-4, the longitudinal lower disc liquid storage disc 3-1 is partitioned into liquid storage partitions by the longitudinal lower disc partition plate 3-2 to form the longitudinal lower disc liquid storage partitions 3-4, and the longitudinal lower disc liquid storage disc 3-1 is uniformly provided with the longitudinal lower disc distribution holes 3-3; the longitudinal lower disc distribution dripping area 3B is composed of longitudinal lower disc dripping disc teeth 3-5, longitudinal lower disc separating hole plates 3-6, longitudinal lower disc tooth separation plates 3-7 and longitudinal lower disc dripping partitions 3-8, and the distribution dripping area composed of the longitudinal lower disc dripping disc teeth 3-5 and the longitudinal lower disc separating hole plates 3-6 is divided into dripping partitions by the longitudinal lower disc tooth separation plates 3-7 to form the longitudinal lower disc dripping partitions 3-8.
Preferably, the transverse lower disc 4 adopts a mode of combining an open type partition liquid storage structure with a closed type partition liquid distribution dripping structure, a transverse lower disc liquid storage area 4A consists of a transverse lower disc liquid storage disc 4-1, a transverse lower disc partition plate 4-2, a transverse lower disc distribution hole 4-3 and a transverse lower disc liquid storage partition 4-4, the transverse lower disc liquid storage disc 4-1 is partitioned into liquid storage partitions by the transverse lower disc partition plate 4-2 to form the transverse lower disc liquid storage partition 4-4, and the transverse lower disc distribution hole 4-3 is uniformly arranged on the transverse lower disc liquid storage disc 4-1; the horizontal lower disc distribution dripping area 4B is composed of horizontal lower disc dripping disc teeth 4-5, horizontal lower disc separating hole plates 4-6, horizontal lower disc tooth separation plates 4-7 and horizontal lower disc dripping partitions 4-8, and the distribution dripping area composed of the horizontal lower disc dripping disc teeth 4-5 and the horizontal lower disc separating hole plates 4-6 is divided into dripping partitions by the horizontal lower disc tooth separation plates 4-7 to form the horizontal lower disc dripping partitions 4-8.
Preferably, the upper disc distribution elbow 2-3 and the upper disc distribution straight pipe 2-4 of the upper disc 2 correspond to the longitudinal lower disc liquid storage partition 3-4 of the longitudinal lower disc 3 and the transverse lower disc liquid storage partition 4-4 of the transverse lower disc 4 one by one, and the upper disc distribution elbow 2-3 and the upper disc distribution straight pipe 2-4 are inserted into the longitudinal lower disc liquid storage partition 3-4 of the longitudinal lower disc 3 and the transverse lower disc liquid storage partition 4-4 of the transverse lower disc 4.
Preferably, the liquid from the upper disc 2 is guided to the longitudinal lower disc liquid storage partition 3-4 of the longitudinal lower disc 3 and the transverse lower disc liquid storage partition 4-4 of the transverse lower disc 4 through the upper disc distribution elbow 2-3 and the upper disc distribution straight pipe 2-4; the liquid is prevented from spilling along the upper tray 2 in the tilting or swinging process of the unit and failing to enter the longitudinal lower tray liquid storage partition 3-4 of the longitudinal lower tray 3 and the transverse lower tray liquid storage partition 4-4 of the transverse lower tray 4, and the influence of no liquid or little liquid in the longitudinal lower tray 3 and the transverse lower tray 4 on the distribution dripping of the liquid is avoided; the liquid is stored in a longitudinal lower disc liquid storage subarea 3-4 and a transverse lower disc liquid storage subarea 4-4, is uniformly distributed to a longitudinal lower disc dripping subarea 3-8 and a transverse lower disc dripping subarea 4-8 through a longitudinal lower disc distribution hole 3-3 and a transverse lower disc distribution hole 4-3 respectively, and is uniformly distributed and dripped on a heat transfer pipe 7 through longitudinal lower disc dripping and dripping disc teeth 3-5 and transverse lower disc dripping and dripping disc teeth 4-5. The liquid can be uniformly distributed and dripped in the tilting or swinging process of the unit.
Preferably, the longitudinal bottom plates 3 and the lateral bottom plates 4 are arranged vertically, and the longitudinal bottom plates 3 are arranged at both ends of the heat transfer pipe 7. When the unit is longitudinally inclined or longitudinally swung along the length direction, the liquid stored in the longitudinal lower disc 3 is distributed and dripped at two ends of the heat transfer pipe 7, so that the influence of the longitudinal inclination or the longitudinal swing on the heat exchange of the unit is reduced.
Preferably, the lower disc is provided with a vent hole.
The invention has the following beneficial effects:
the invention discloses a liquid dripping device with uniform distribution, which adopts a multilayer dripping liquid distribution mode, and a closed dripping dispersion structure is formed by a liquid collecting pipe group and an upper disc, so that the liquid collecting pipe group and the upper disc are always in a full liquid state, and the phenomenon that the upper disc does not flow down due to the liquid throwing condition when an open upper disc structure inclines or swings is avoided.
The combined lower plate formed by the longitudinal lower plate and the transverse lower plate adopts a mode of combining an open type partition liquid storage structure and a closed type partition distribution dripping and sprinkling structure, so that the liquid dripping and sprinkling device in each heat exchanger can be prevented from spilling, the normal flow of liquid in each heat exchanger of the unit is ensured, the liquid is uniformly distributed and uniformly dripped and sprinkled on the heat transfer pipe, and the reduction of the heat exchange performance of the unit is avoided;
the vertical lower disc and the horizontal lower disc are fixed by the lower disc angular connecting plate, the upper disc and the horizontal lower disc are fixed and positioned by the upper disc and the lower disc concave connecting plate, and firm connection among the upper disc, the vertical lower disc and the horizontal lower disc is guaranteed, so that the liquid dripping device cannot crack in the inclination or swinging process of a unit, and the use safety of the liquid dripping device is guaranteed.
The longitudinal lower disc is perpendicular to the length direction of the heat transfer pipe, when the unit longitudinally inclines or longitudinally swings along the length direction, liquid stored in the longitudinal lower disc can be effectively distributed at two ends of the heat transfer pipe for dripping, and the influence of the longitudinal inclination or longitudinal swing on the heat exchange of the unit is reduced.
The liquid dripping device disclosed by the invention can ensure that the lithium bromide absorption type unit can still normally operate when swinging on the sea, various waste heat resources generated in the driving process of a ship are recovered, cold water is prepared, energy conservation and emission reduction are realized, a large number of waste heat resources can be recovered on the ship, the requirement on the cold water is also huge, and the marine lithium bromide water chilling unit can effectively recover various waste heat and realize the effective utilization of energy.
Drawings
FIG. 1 is a schematic view of an evenly distributed liquid dripping apparatus according to the present invention;
FIG. 2 is a schematic view of an assembled connection structure of an upper plate and a lower plate of the liquid dripping device of the present invention;
FIG. 3 is a schematic view of the structure of a liquid collecting tube group of the liquid dripping device of the present invention;
FIG. 4 is a front view of the upper plate structure of the liquid dripping device of the present invention;
FIG. 5 is a top view of the upper plate structure of the liquid dripping device of the present invention;
FIG. 6 is a schematic view of a longitudinal bottom wall of the liquid dripping device of the present invention;
FIG. 7 is a schematic view of a longitudinal tray liquid-storing area of the liquid dripping device of the present invention;
FIG. 8 is a schematic view of the structure of the longitudinal lower plate dripping disc teeth of the liquid dripping device of the present invention;
FIG. 9 is a schematic view of a longitudinal lower tray liquid-separating orifice plate of the liquid dripping device of the present invention;
FIG. 10 is a schematic view of a longitudinal lower plate tooth partition plate of the liquid dripping device of the present invention;
FIG. 11 is a schematic view of a horizontal bottom plate of the liquid dripping device of the present invention;
FIG. 12 is a schematic view of a horizontal tray liquid-storing area of the liquid dripping device of the present invention;
FIG. 13 is a schematic view of a horizontal lower plate dripping disc tooth structure of the liquid dripping device of the present invention;
FIG. 14 is a schematic structural view of a transverse lower tray liquid-separating orifice plate of the liquid dripping device of the present invention;
the reference numbers are as follows: 1-liquid collecting pipe group, 2-upper plate, 3-longitudinal lower plate, 4-transverse lower plate, 5-lower plate connecting plate, 6-upper and lower plate concave connecting plate, 7-heat transfer pipe, 1-1-liquid collecting pipe, 1-2-liquid collecting pipe sealing plate, 1-3-liquid collecting distribution hole, 1-4-liquid collecting pipe liquid inlet, 2-1-upper plate dripping pipe, 2-2-upper plate dripping pipe sealing plate, 2-3-upper plate distribution elbow pipe, 2-4-upper plate distribution straight pipe, 2-5-upper plate distribution hole, 2-6-upper plate liquid inlet interface, 3A-longitudinal lower plate liquid storage region, 3B-longitudinal lower plate distribution dripping region, 3-1-longitudinal lower plate liquid storage plate, 3-2-longitudinal lower plate partition plate, 3-3-longitudinal lower plate distribution hole, 3-4-longitudinal lower plate liquid storage partition region, 3-5-longitudinal lower plate dripping tooth, 3-6-longitudinal lower plate liquid distribution plate, 3-7-longitudinal lower plate tooth partition plate, 3-8-transverse lower plate, 4-transverse lower plate distribution dripping zone, 3-4-transverse lower plate tooth partition plate, 4-transverse lower plate distribution dripping zone, 3-4-transverse lower plate distribution dripping zone, 3-4-transverse lower plate tooth distribution dripping zone, 4-8-horizontal lower plate dripping partition.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the liquid dripping device with uniform distribution as shown in figure 1 consists of a liquid collecting pipe group 1, an upper disc 2, a longitudinal lower disc 3 and a transverse lower disc 4.
As shown in figure 2, the longitudinal lower plate 3 and the transverse lower plate 4 are welded and fixed by the angular lower plate connecting plate 5, the upper plate 2 and the transverse lower plate 4 are welded, fixed and positioned by the upper and lower plate concave connecting plates 6, and the firm connection among the upper plate 2, the longitudinal lower plate 3 and the transverse lower plate 4 is ensured, so that the liquid dripping device can not crack in the inclination or swing process of a unit, and the use safety of the liquid dripping device is ensured.
As shown in fig. 3, the liquid collecting tube group 1 is of a closed structure consisting of a liquid collecting tube 1-1, a liquid collecting tube sealing plate 1-2, liquid collecting distribution holes 1-3 and a liquid collecting tube liquid inlet 1-4, two sides of the liquid collecting tube 1-1 are welded and sealed by the liquid collecting tube sealing plate 1-2, the liquid collecting tube 1-1 is provided with the liquid collecting tube liquid inlet 1-4, the liquid collecting tube 1-1 is uniformly provided with the liquid collecting distribution holes 1-3, liquid enters the liquid collecting tube group 1 from the liquid collecting tube liquid inlet 1-4, and the liquid is uniformly distributed by the liquid collecting distribution holes 1-3 and then flows out of the liquid collecting tube group 1; as shown in figures 4 and 5, an upper disc 2 is of a closed structure consisting of an upper disc dripping pipe 2-1, an upper disc dripping pipe sealing plate 2-2, an upper disc distribution elbow pipe 2-3, an upper disc distribution straight pipe 2-4, upper disc distribution holes 2-5 and an upper disc liquid inlet interface 2-6, two sides of the upper disc dripping pipe 2-1 are welded and sealed by the upper disc dripping pipe sealing plate 2-2, the upper disc dripping pipe 2-1 is provided with an upper disc liquid inlet interface 2-6, the upper disc liquid inlet interface 2-1 is uniformly provided with the upper disc distribution holes 2-5 on the lower side, the left side and the right side, the upper disc dripping pipe 2-1 is connected with the upper disc distribution elbow pipe 2-3 on the upper disc liquid inlet interface 2-1, the upper disc dripping pipe 2-4 is connected with the lower side of the upper disc dripping pipe 2-1, the upper disc liquid inlet interface 2-6 is connected with a liquid collection pipe 1-1 on the liquid collection pipe group, liquid inlet interfaces 2-6 are in one-to one correspondence with liquid collection holes 1 on the upper disc distribution elbow pipe group, liquid enters the upper disc dripping pipe 2-1 from the upper disc dripping pipe 2-6, and liquid is uniformly distributed from the upper disc dripping pipe 2-5 and flows out from the upper disc distribution holes 2-3 and the upper disc distribution elbow pipe 2-3. The liquid collecting pipe group 1 and the upper disc 2 form a closed dripping and sprinkling and spreading structure, so that the liquid collecting pipe group 1 and the upper disc 2 are always in a full liquid state, and the situation that the upper disc 2 does not flow down due to the liquid throwing condition of the open upper disc structure when the upper disc inclines or swings is avoided.
The longitudinal lower plate 3 adopts a mode of combining an open partition liquid storage structure and a closed partition distribution dripping structure, and a liquid guide structure is adopted between the upper plate 2 and the longitudinal lower plate 3. As shown in fig. 6, the longitudinal bottom wall 3 is composed of a longitudinal bottom wall liquid storage area 3A and a longitudinal bottom wall distribution dripping area 3B, the longitudinal bottom wall liquid storage area 3A adopts an open partition liquid storage structure, and the longitudinal bottom wall distribution dripping area 3B adopts a closed partition distribution dripping structure. As shown in fig. 7, the longitudinal lower plate liquid storage area 3A is composed of a longitudinal lower plate liquid storage plate 3-1, a longitudinal lower plate partition plate 3-2, a longitudinal lower plate distribution hole 3-3, and a longitudinal lower plate liquid storage partition 3-4, wherein the longitudinal lower plate liquid storage plate 3-1 is partitioned into liquid storage partitions by the longitudinal lower plate partition plate 3-2 to form the longitudinal lower plate liquid storage partition 3-4; longitudinal lower disc distribution holes 3-3 are uniformly formed in the longitudinal lower disc liquid storage disc 3-1; the longitudinal lower disc distribution dripping area 3B consists of longitudinal lower disc dripping disc teeth 3-5 (shown in figure 8), longitudinal lower disc separating hole plates 3-6 (shown in figure 9), longitudinal lower disc tooth separating plates 3-7 (shown in figure 10) and longitudinal lower disc dripping zones 3-8; the longitudinal lower disc dripping and spraying disc teeth 3-5 and the longitudinal lower disc liquid separating pore plate 3-6 are made of non-hydrophilic anticorrosive materials to prevent liquid from splashing, the longitudinal lower disc dripping and spraying disc teeth 3-5 adopt a zigzag dripping and spraying plate structure, the number of the zigzag disc teeth of the longitudinal lower disc dripping and spraying disc teeth 3-5 is the same as the row number of the heat transfer tubes 7, and the disc teeth correspond to the heat transfer tubes 7 one by one; the longitudinal lower disc liquid separating pore plate 3-6 adopts a bent pore plate structure, square holes arranged on the longitudinal lower disc liquid separating pore plate 3-6 correspond to sawtooth-shaped disc teeth of the longitudinal lower disc dripping and sprinkling disc teeth 3-5 one by one, the longitudinal lower disc dripping and sprinkling disc teeth 3-5 and the longitudinal lower disc liquid separating pore plate 3-6 are fixed by discontinuous fusion to form a distribution dripping area, and the distribution dripping area formed by the longitudinal lower disc dripping and sprinkling disc teeth 3-5 and the longitudinal lower disc liquid separating pore plate 3-6 is divided into dripping subareas by the longitudinal lower disc tooth division plate 3-7 to form a longitudinal lower disc dripping and sprinkling subarea 3-8.
The transverse lower disc 4 adopts a mode of combining an open partition liquid storage structure and a closed partition distribution dripping structure, and a liquid guide structure is adopted between the upper disc 2 and the transverse lower disc 4. As shown in fig. 11, the horizontal lower tray 4 is composed of a horizontal lower tray liquid storage area 4A and a horizontal lower tray distribution dripping area 4B, the horizontal lower tray liquid storage area 4A adopts an open partition liquid storage structure, and the horizontal lower tray distribution dripping area 4B adopts a closed partition distribution dripping structure. As shown in fig. 12, the horizontal lower disc liquid storage area 4A is composed of a horizontal lower disc liquid storage disc 4-1, a horizontal lower disc partition plate 4-2, a horizontal lower disc distribution hole 4-3, and a horizontal lower disc liquid storage partition 4-4; the transverse lower disc liquid storage disc 4-1 is divided into liquid storage subareas by a transverse lower disc subarea plate 4-2 to form a transverse lower disc liquid storage subarea 4-4, and transverse lower disc distribution holes 4-3 are uniformly formed in the transverse lower disc liquid storage disc 4-1; the transverse lower disc distribution dripping zone 4B consists of transverse lower disc dripping disc teeth 4-5 (shown in figure 13), transverse lower disc separating hole plates 4-6 (shown in figure 14), transverse lower disc tooth separating plates 4-7 and transverse lower disc dripping zones 4-8; the horizontal lower disc dripping and sprinkling disc teeth 4-5 and the horizontal lower disc liquid separating pore plates 4-6 are made of non-hydrophilic anticorrosive materials to prevent liquid from splashing, the horizontal lower disc dripping and sprinkling disc teeth 4-5 are of a sawtooth-shaped dripping and sprinkling plate structure, the horizontal lower disc liquid separating pore plates 4-6 are of a bent pore plate structure, square holes formed in the horizontal lower disc liquid separating pore plates 4-6 are in one-to-one correspondence with the sawtooth-shaped disc teeth of the horizontal lower disc dripping and sprinkling disc teeth 4-5, the horizontal lower disc dripping and sprinkling disc teeth 4-5 and the horizontal lower disc liquid separating pore plates 4-6 are fixed in an intermittent welding mode to form a distribution dripping and sprinkling area, and the distribution dripping and sprinkling area formed by the horizontal lower disc dripping and sprinkling disc teeth 4-5 and the horizontal lower disc liquid separating pore plates 4-6 is divided into dripping and sprinkling areas by the horizontal lower disc tooth dividing pore plates 4-7 to form the horizontal lower disc dripping and sprinkling areas 4-8.
The upper disc distribution elbow 2-3 and the upper disc distribution straight pipe 2-4 of the upper disc 2 correspond to the longitudinal lower disc liquid storage subarea 3-4 of the longitudinal lower disc 3 and the transverse lower disc liquid storage subarea 4-4 of the transverse lower disc 4 one by one, the upper disc distribution elbow 2-3 and the upper disc distribution straight pipe 2-4 are inserted into the longitudinal lower disc liquid storage subarea 3-4 of the longitudinal lower disc 3 and the transverse lower disc liquid storage subarea 4-4 of the transverse lower disc 4, and liquid from the upper disc 2 is guided to the longitudinal lower disc liquid storage subarea 3-4 of the longitudinal lower disc 3 and the transverse lower disc liquid storage subarea 4-4 of the transverse lower disc 4 through the upper disc distribution elbow 2-3 and the upper disc distribution straight pipe 2-4, so that the liquid is prevented from being poured along the upper disc 2 in the tilting or swinging process of the unit and failing to enter the longitudinal lower disc liquid storage subarea 3-4 of the longitudinal lower disc 3 and the transverse lower disc liquid storage subarea 4-4 of the transverse lower disc 4, and the upper disc storage subarea 4 of the transverse lower disc 4 is prevented from being influenced by no liquid or little liquid dripping in the longitudinal lower disc 3 and the transverse lower disc 4. Liquid from the upper tray 2 is respectively conveyed to a longitudinal lower tray liquid storage subarea 3-4 of the longitudinal lower tray 3 and a transverse lower tray liquid storage subarea 4-4 of the transverse lower tray 4 through the upper tray distribution bent pipes 2-3 and the upper tray distribution straight pipes 2-4, the liquid is stored in the longitudinal lower tray liquid storage subarea 3-4 and the transverse lower tray liquid storage subarea 4-4, and then is respectively uniformly distributed to a longitudinal lower tray dripping subarea 3-8 and a transverse lower tray dripping subarea 4-8 through the longitudinal lower tray distribution holes 3-3 and the transverse lower tray distribution holes 4-3, and finally is uniformly distributed and dripped on a heat transfer pipe 7 through the longitudinal lower tray dripping disc teeth 3-5 and the transverse lower tray dripping disc teeth 4-5, so that the liquid can be uniformly distributed and dripped in the inclination or swing process of the unit.
The longitudinal lower disc 3 and the transverse lower disc 4 are vertically arranged, the transverse lower disc 4 is arranged in parallel with the length direction of the heat transfer pipe 7, the longitudinal lower disc 3 is arranged in perpendicular to the length direction of the heat transfer pipe 7, the longitudinal lower disc 3 is arranged at two ends of the heat transfer pipe 7, when the unit longitudinally inclines or longitudinally swings along the length direction, liquid stored in the longitudinal lower disc 3 can be effectively distributed at two ends of the heat transfer pipe 7 to drip and drench, and the influence of longitudinal inclination or longitudinal swing on heat exchange of the unit is reduced.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art should be able to substitute or change the technical solution of the present invention and its inventive concept within the technical scope of the present invention.
Claims (10)
1. The uniformly-distributed liquid dripping device is characterized by comprising a liquid collecting pipe group (1), an upper disc (2) and a lower disc;
the liquid collecting pipe group (1) and one or more upper trays (2) form a closed dripping and sprinkling structure;
the lower disc consists of a liquid storage area and a distribution dripping area, the liquid storage area is of an open partition structure, and the distribution dripping area is of a closed partition structure; the upper disc (2) and the lower disc are firmly connected by adopting a liquid guide structure, and the upper disc (2) is communicated with the liquid storage area of the lower disc.
2. The apparatus according to claim 1, wherein the lower plate comprises a longitudinal lower plate (3) and a transverse lower plate (4);
the longitudinal lower plate (3) consists of a longitudinal lower plate liquid storage area (3A) and a longitudinal lower plate distribution dripping area (3B), the longitudinal lower plate liquid storage area (3A) adopts an open partition structure, and the longitudinal lower plate distribution dripping area (3B) adopts a closed partition structure; a liquid flow guiding structure is adopted between the upper disc (2) and the longitudinal lower disc (3), and the longitudinal lower disc (3) and the heat transfer pipe (7) are vertically arranged in the length direction;
the transverse lower plate (4) consists of a transverse lower plate liquid storage area (4A) and a transverse lower plate distribution dripping area (4B), the transverse lower plate liquid storage area (4A) adopts an open partition structure, and the transverse lower plate distribution dripping area (4B) adopts a closed partition structure; a liquid flow guide structure is adopted between the upper disc (2) and the transverse lower disc (4); the upper disc (2) and the transverse lower disc (4) are fixed by an upper disc connecting plate and a lower disc connecting plate (6), and the transverse lower disc (4) and the heat transfer pipe (7) are arranged in parallel;
the longitudinal lower disc (3) and the transverse lower disc (4) are fixed by a lower disc connecting plate (5).
3. A liquid dripping device with uniform distribution according to claim 1 or 2, wherein the header pipe group (1) is composed of a header pipe (1-1), a header pipe closing plate (1-2), a header distribution hole (1-3) and a header pipe inlet (1-4); the two ends of the liquid collecting pipe (1-1) are sealed by liquid collecting pipe sealing plates (1-2), a liquid inlet (1-4) of the liquid collecting pipe is arranged on the liquid collecting pipe (1-1), and liquid collecting and distributing holes (1-3) are uniformly formed in the liquid collecting pipe (1-1).
4. The liquid dripping device for uniform distribution according to claim 1 or 2, wherein the upper disc (2) consists of an upper disc dripping pipe (2-1), an upper disc dripping pipe sealing plate (2-2), an upper disc distribution bent pipe (2-3), an upper disc distribution straight pipe (2-4), an upper disc distribution hole (2-5) and an upper disc liquid inlet interface (2-6);
the two sides of the upper disc dripping pipe (2-1) are sealed by an upper disc dripping pipe sealing plate (2-2), the upper disc dripping pipe (2-1) is provided with an upper disc liquid inlet connector (2-6), the lower side, the left side and the right side of the upper disc dripping pipe (2-1) are uniformly provided with upper disc distribution holes (2-5), the left side and the right side of the upper disc dripping pipe (2-1) are connected with an upper disc distribution bent pipe (2-3), the lower side of the upper disc dripping pipe (2-1) is connected with an upper disc distribution straight pipe (2-4), and the upper disc liquid inlet connector (2-6) is connected with a liquid collecting pipe (1-1) on the liquid collecting pipe group (1).
5. A liquid dripping device with uniform distribution according to claim 4, wherein the upper disc inlet ports (2-6) are in one-to-one correspondence with the liquid collecting and distributing holes (1-3) on the liquid collecting pipe group (1).
6. The liquid trickling device with uniform distribution according to claim 2, wherein the longitudinal lower tray (3) adopts a combination of an open partition liquid storage structure and a closed partition liquid distribution trickling structure, the longitudinal lower tray liquid storage region (3A) consists of a longitudinal lower tray liquid storage tray (3-1), a longitudinal lower tray partition plate (3-2), a longitudinal lower tray distribution hole (3-3) and a longitudinal lower tray liquid storage partition (3-4), the longitudinal lower tray liquid storage tray (3-1) is divided into liquid storage partitions by the longitudinal lower tray partition plate (3-2) to form longitudinal lower tray liquid storage partitions (3-4), and the longitudinal lower tray liquid storage tray (3-1) is uniformly provided with the longitudinal lower tray distribution hole (3-3); the longitudinal lower disc distribution dripping region (3B) consists of longitudinal lower disc dripping disc teeth (3-5), longitudinal lower disc separating pore plates (3-6), longitudinal lower disc tooth separating plates (3-7) and longitudinal lower disc dripping partitions (3-8); the distribution dripping area consisting of the longitudinal lower disc dripping disc teeth (3-5) and the longitudinal lower disc separating orifice plate (3-6) is divided into dripping subareas by longitudinal lower disc tooth division plates (3-7) to form longitudinal lower disc dripping subareas (3-8).
7. The uniformly-distributed liquid trickling device according to claim 2, wherein the transverse lower disc (4) adopts a combination of an open partition liquid storage structure and a closed partition liquid distribution trickling structure, the transverse lower disc liquid storage region (4A) consists of a transverse lower disc liquid storage disc (4-1), a transverse lower disc partition plate (4-2), a transverse lower disc distribution hole (4-3) and a transverse lower disc liquid storage partition (4-4), the transverse lower disc liquid storage disc (4-1) is divided into liquid storage partitions by the transverse lower disc partition plate (4-2) to form the transverse lower disc liquid storage partition (4-4), and the transverse lower disc distribution hole (4-3) is uniformly arranged on the transverse lower disc liquid storage disc (4-1); the transverse lower disc distribution dripping region (4B) consists of transverse lower disc dripping disc teeth (4-5), transverse lower disc separating hole plates (4-6), transverse lower disc tooth separating plates (4-7) and transverse lower disc dripping partitions (4-8); the distribution dripping area consisting of the transverse lower disc dripping disc teeth (4-5) and the transverse lower disc separating hole plate (4-6) is divided into dripping subareas by transverse lower disc tooth division plates (4-7) to form transverse lower disc dripping subareas (4-8).
8. The evenly distributed liquid dripping device according to claim 2, wherein the upper disc distribution elbow (2-3) and the upper disc distribution straight tube (2-4) of the upper disc (2) are inserted into the corresponding longitudinal lower disc liquid storage partition (3-4) of the longitudinal lower disc (3) and the transverse lower disc liquid storage partition (4-4) of the transverse lower disc (4).
9. An evenly distributed liquid dripping device according to claim 2, wherein said longitudinal lower disc (3) and said transverse lower disc (4) are arranged vertically, said longitudinal lower disc (3) being arranged at both ends of said heat transfer pipe (7).
10. An evenly distributed liquid dripping apparatus according to claim 1 or claim 2 wherein said lower plate is further provided with a vent.
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| CN202210780536.4A CN115143662B (en) | 2022-07-04 | 2022-07-04 | Evenly distributed liquid drip device |
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| CN202210780536.4A CN115143662B (en) | 2022-07-04 | 2022-07-04 | Evenly distributed liquid drip device |
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| CN115143662A true CN115143662A (en) | 2022-10-04 |
| CN115143662B CN115143662B (en) | 2023-09-26 |
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| CN115143662B (en) | 2023-09-26 |
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Address after: 116000 No. 117, 118, Huaihe West Road, Dalian Economic and Technological Development Zone, Liaoning Province (No. 10, Songlan Street) Applicant after: Bingshan Songyang Refrigeration (Dalian) Co.,Ltd. Applicant after: HARBIN ENGINEERING University Address before: 116000 No. 117, 118, Huaihe West Road, Dalian Economic and Technological Development Zone, Liaoning Province (No. 10, Songlan Street) Applicant before: PANASONIC REFRIGERATION (DALIAN) CO.,LTD. Applicant before: HARBIN ENGINEERING University |
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