CN203858098U - Spraying platform used for spraying density measurement - Google Patents
Spraying platform used for spraying density measurement Download PDFInfo
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- CN203858098U CN203858098U CN201420268419.0U CN201420268419U CN203858098U CN 203858098 U CN203858098 U CN 203858098U CN 201420268419 U CN201420268419 U CN 201420268419U CN 203858098 U CN203858098 U CN 203858098U
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Abstract
The utility model discloses a spraying platform used for the spraying density measurement. The spraying platform comprises a water tank (1), a feeding pump (2) and a nozzle positioning system, the nozzle positioning system comprises at least two horizontal direction slideways (4) arranged at the periphery of the water tank (1), a plurality of vertical direction slideways (5) capable of moving along the horizontal direction slideways (4), and nozzle slideways (6) connected to different vertical direction slideways (5), nozzles (10) are arranged above the nozzle slideways (6) and connected with spraying pipelines (9), a plurality of liquid collecting devices (3) are arranged in the water tank (1), a multi-electrode liquid level switch (15) is fixe in each liquid collecting device (3), the multi-electrode liquid level switches are used for acquiring liquid level signals, and the bottom of each liquid collecting device (3) is provided with a discharge solenoid valve. According to the spraying platform, different spraying strips can be simulated in the spraying density measurement of internal nozzles of an evaporator for seawater desalination, the installation is simple, and the operation is convenient.
Description
Technical field
The utility model discloses a kind of spraying platform of measuring for sprinkle density.
Background technology
Falling Film Evaporator of Horizontal Tube is a kind of high-efficiency and energy-saving type evaporator growing up from the seventies, and its advantage is that heat transfer is higher.In horizontal pipe falling film evaporation, one of them important link is spray, spray system is distributed to feed liquid spray on heat-transfer pipe and evaporates, its sprinkle density is larger on the impact of evaporation heat transfer film coefficient, in non-uniform spraying or spray flux inadequate in the situation that, can produce the phenomenon of the dry wall of heat-transfer pipe, seriously reduce the serviceable life of heat transfer coefficient, minimizing heat-transfer pipe.So providing a kind of can simulate the device that various spray conditions measure for sprinkle density system water production rate and heat-transfer pipe are had great importance serviceable life.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of spraying platform that can simulate different spray conditions in desalinization is measured with evaporator inwardly projecting orifice sprinkle density is provided.Spraying platform of the present utility model, has and installs simply, the advantage of simple operation.The purpose of this utility model is achieved by following technical proposals:
A spraying platform of measuring for sprinkle density, comprises tank (1), feeder pump (2), and nozzle positioning system, is characterized in that,
Described nozzle positioning system, comprise and be placed in peripheral at least two the horizontal direction slideways (4) of tank (1), can be along the mobile a plurality of vertical direction slideways (5) of horizontal direction slideway (4), be connected to the nozzle slideway (6) on different vertical direction slideways (5), it is upper that nozzle (10) is placed in nozzle slideway (6), nozzle (10) and spray pipeline (9) be connected;
Feeder pump (2) is stated in spray pipeline (9) for the water in tank (1) is extracted to Zhi Ge road;
A plurality of liquid traps (3) are set in tank (1), in each liquid trap (3), are fixed with multi-electrode level switch (15), for gathering liquid level signal; Described multi-electrode level switch (15) comprises three electrodes, a public electrode; A low level electrode and a high level electrode, each electrode jacket low-temperature shrink flame retardant type sleeve pipe, small cylindrical graphite is equipped with as electrode tips in top, in the bottom of liquid trap (3), discharge solenoid valve is set.
As preferred implementation, three electrodes of described multi-electrode level switch (15), public electrode base material is thin titanium rod, outer painting ruthenium; Low level electrode and high level electrode base material are thin copper bar, overcoat low-temperature shrink flame retardant type sleeve pipe, and small cylindrical graphite is equipped with as electrode tips in top, in the bottom of liquid trap (3), discharge solenoid valve is set; On the top of tank (1), be placed with heating surface bank (11).On the main pipe rail of spray pipeline (9), be provided with pressure unit (8) and flow transmitter (7).
The beneficial effects of the utility model are:
One. the public electrode base material of multi-electrode level switch adopts thin titanium rod, outer painting ruthenium; Level electrode base material adopts thin copper bar, overcoat low-temperature shrink flame retardant type sleeve pipe, and small cylindrical graphite is equipped with as electrode tips in top; Can Quick Acquisition to liquid level signal, be quick on the draw.
Two. the utility model can be when desalinization be measured with evaporator inwardly projecting orifice sprinkle density, change the distance between nozzle and heating surface bank, also can change the distribution mode of nozzle, such as, nozzle square arrangement, triangular arranged, rectangle arrangement etc., thereby simulate different spray conditions, for measuring and analyze the sprinkle density under different spray conditions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of liquid trap in the utility model.
1-tank 2-feeder pump 3-liquid trap 4-horizontal direction slideway 5-vertical direction slideway 6-nozzle slideway
7-flow transmitter 8-pressure unit 9-spray pipeline 10-nozzle 11-heating surface bank
The low level electrode of 12-drainage tube one 13-drainage tube two 14-drainage tube three 15-multi-electrode level switch 15-1-
The high level electrode 16-of 15-2-public electrode 15-3-solenoid valve.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described.
Referring to Fig. 1 and Fig. 2.Whole sprinkle density measurement mechanism is by spraying platform and composition of the control system.Spraying platform main body rack is cuboid, and its physical dimension is about 1800mm length * 1600mm, and wide * 2500mm is high.Tank 1 is installed in bottom, and heating surface bank 11 is installed at middle part, and nozzle positioning system is installed on top, and nozzle positioning system is mainly comprised of spray pipeline 9, nozzle 10, nozzle slideway 6, horizontal direction slideway 4 and vertical direction slideway 5; Bottom tank 1 can be pulled out below heating surface bank 11; In nozzle positioning system, there are two nozzle slideways, 2 nozzles are installed on each nozzle slideway, nozzle slideway 4 is connected with vertical direction slideway 5 with horizontal direction slideway 4, and what make that nozzle slideway 4 can be whole moves up and down, and each nozzle can move arbitrarily at three dimensions like this; The bottom of nozzle 10 can regulate to the distance of heating surface bank 11 the superiors' heat-transfer pipes in 200mm~600mm.Feeder pump 2 is installed in tank 1, for water being extracted to Zhi Ge road, states in spray pipeline 9, can Quick Acquisition to liquid level signal, be quick on the draw.Multi-electrode level switch 15 comprises three electrodes, a public electrode 15-2, and its base material is thin titanium rod, outer painting ruthenium; A low level electrode 15-1 and a high level electrode 15-3, its base material is thin copper bar, overcoat low-temperature shrink flame retardant type sleeve pipe, small cylindrical graphite is equipped with as electrode tips in top, in the bottom of liquid trap 3, discharge solenoid valve 16 is set.
Control system comprises frequency converter, PLC and host computer.
Before sprinkle density is measured, first will in tank 1, pour into seawater or tap water, its water level is below liquid trap 3 solenoid valves 16; Open solenoid valve 16, the water in liquid trap 3 is emptying; Adjust Nozzle combination form and nozzle location, prepare to measure.
Start feeder pump, regulate top hole pressure and the flow of feeder pump by frequency converter, then shut electromagnetic valve 16; When the liquid level of liquid trap 3 reaches low liquid level 15-1, control system starts timing, and when the liquid level of liquid trap 3 reaches high liquid level 15-3, control system stops timing; Then by more a plurality of liquid traps 3 from low liquid level 15-1 to high liquid level 15-3 spent time, thereby analyze the sprinkle density of diverse location under nozzle.
Claims (4)
1. a spraying platform of measuring for sprinkle density, comprises tank (1), feeder pump (2), and nozzle positioning system, is characterized in that,
Described nozzle positioning system, comprise and be placed in peripheral at least two the horizontal direction slideways (4) of tank (1), can be along the mobile a plurality of vertical direction slideways (5) of horizontal direction slideway (4), be connected to the nozzle slideway (6) on different vertical direction slideways (5), it is upper that nozzle (10) is placed in nozzle slideway (6), nozzle (10) and spray pipeline (9) be connected;
Feeder pump (2) is stated in spray pipeline (9) for the water in tank (1) is extracted to Zhi Ge road;
A plurality of liquid traps (3) are set in tank (1), in each liquid trap (3), are fixed with multi-electrode level switch (15), for gathering liquid level signal; Described multi-electrode level switch (15) comprises three electrodes, a public electrode; A low level electrode and a high level electrode; Each electrode jacket low-temperature shrink flame retardant type sleeve pipe, small cylindrical graphite is equipped with as electrode tips in top, in the bottom of liquid trap (3), discharge solenoid valve is set.
2. spraying platform according to claim 1, is characterized in that, three electrodes of described multi-electrode level switch (15), and public electrode base material is thin titanium rod, outer painting ruthenium; Low level electrode and high level electrode base material are thin copper bar, overcoat low-temperature shrink flame retardant type sleeve pipe, and small cylindrical graphite is equipped with as electrode tips in top, in the bottom of liquid trap (3), discharge solenoid valve is set.
3. spraying platform according to claim 1, is characterized in that, on the top of tank (1), is placed with heating surface bank (11).
4. spraying platform according to claim 1, is characterized in that, is provided with pressure unit (8) and flow transmitter (7) on the main pipe rail of spray pipeline (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420268419.0U CN203858098U (en) | 2014-05-23 | 2014-05-23 | Spraying platform used for spraying density measurement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420268419.0U CN203858098U (en) | 2014-05-23 | 2014-05-23 | Spraying platform used for spraying density measurement |
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CN203858098U true CN203858098U (en) | 2014-10-01 |
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CN201420268419.0U Expired - Fee Related CN203858098U (en) | 2014-05-23 | 2014-05-23 | Spraying platform used for spraying density measurement |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105758662A (en) * | 2016-05-06 | 2016-07-13 | 上海核工程研究设计院 | Performance test device for nuclear power plant spent fuel pool spray cooling system |
-
2014
- 2014-05-23 CN CN201420268419.0U patent/CN203858098U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105758662A (en) * | 2016-05-06 | 2016-07-13 | 上海核工程研究设计院 | Performance test device for nuclear power plant spent fuel pool spray cooling system |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20180523 |
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CF01 | Termination of patent right due to non-payment of annual fee |