CN203067838U - Reciprocating-motion self-sealing fluid switcher provided with single-pressure exchange cylinder - Google Patents

Reciprocating-motion self-sealing fluid switcher provided with single-pressure exchange cylinder Download PDF

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Publication number
CN203067838U
CN203067838U CN 201320007254 CN201320007254U CN203067838U CN 203067838 U CN203067838 U CN 203067838U CN 201320007254 CN201320007254 CN 201320007254 CN 201320007254 U CN201320007254 U CN 201320007254U CN 203067838 U CN203067838 U CN 203067838U
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China
Prior art keywords
chamber
low pressure
pressure
hyperbaric chamber
pressure chamber
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CN 201320007254
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Chinese (zh)
Inventor
王越
宋代旺
徐世昌
路乃元
刘辉
王世昌
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Tianjin University
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Tianjin University
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Abstract

The utility model discloses a reciprocating-motion self-sealing fluid switcher provided with a single-pressure exchange cylinder. The fluid switcher comprises a valve body, a low pressure cavity casing and a high pressure cavity casing and is provided with a low pressure fluid outlet pipe, a high pressure fluid outlet pipe, a pressure exchange cylinder connection pipe and a high pressure fluid inlet pipe. A connection flange and a high pressure end flange are arranged at ends of the fluid switcher, reciprocating-motion rods are respectively arranged in centers in the low pressure cavity casing, the valve body and the high pressure cavity casing, and a low pressure chamber valve core assembly and a high pressure chamber valve core assembly are respectively arranged in a low pressure chamber of the valve body and a high pressure chamber of the valve body. The reciprocating-motion self-sealing fluid switcher has the advantages of being good in sealing effect, flexible to open and close, small in driving power, simple to process and install, low in noise and high in reliability. The reciprocating-motion self-sealing fluid switcher is of a valve body cavity split structure, and the valve body chambers can be opened and closed through assemblies.

Description

Dispose the to-and-fro motion selfsealings fluid switch of single pressure-exchange cylinder
Technical field
The utility model relates to a kind of to-and-fro motion selfsealings fluid switch that disposes single pressure-exchange cylinder, belongs to the reverse osmosis seawater desalting technical field of energy recovery.
Background technique
Reverse osmosis seawater desalting is worldwide generally adopted as a kind of freshwater resources increment technique, and has occupied most of market share.Reverse osmosis seawater desalting belongs to pressure-actuated film separation process, raw material seawater needs at first to be pressurized between the 5.5-8.0MPa by high-pressure service pump and to enter reverse osmosis membrane assembly, wherein about 45% raw material seawater is separated into desalination product water by reverse osmosis membrane, remaining about 55% concentrated seawater then is discharged with the form of the high pressure brine suitable with raw material seawater pressure (pressure〉5.0MPa), causes the huge waste of energy.Therefore, the high efficiente callback of employing energy recycle device utilizes the overbottom pressure energy in the high pressure brine, and is significant to significantly reducing the reverse osmosis seawater desalination system operation energy consumption.
The fluid switch is one of core component of sea water desalting energy recovery device.Patent 201110268610.6 has been announced a kind of to-and-fro motion slide block axial seal hydrodynamic pressure switch, it is regular opening and closing under four sealing valve plates effect of driving force outside by coaxial connection, realizes the periodicity switching of pressurization and pressure leak process in two pressure-exchange cylinders supporting with it.In use there is following deficiency in this patent: one, valve plate switching process need overcome the pressure drag on the gross area of the outside in the valve plate, and it is big to drive the process consumed power; Its two, fixing seal piece and hyperbaric chamber baffle ring have the relative slip of direct contact, cooperate material to have relatively high expectations; Its three, switch and two supporting connections of pressure-exchange cylinder, device manufacturing cost and installation precision require all higher.
Summary of the invention
The purpose of this utility model is to provide a kind of to-and-fro motion selfsealings fluid switch that disposes single pressure-exchange cylinder, and it is little that this fluid switch has a driving power, processing and install simply, and noise is low, characteristics such as reliability height.
The utility model is realized by the following technical programs: a kind of to-and-fro motion selfsealings fluid switch that disposes single pressure-exchange cylinder, this fluid switch comprises: the adpting flange 2 at two ends and high voltage terminal flange 13, two flanges clamp sealing intermediate portion part by pull bar and Sealing, and intermediate member comprises valve body 8, the low-pressure cavity housing 3 that is connected with the low pressure chamber 8-2 of this valve body, the hyperbaric chamber housing 10 that is connected with valve body hyperbaric chamber 8-3; In the low-pressure cavity housing, in the valve body and the waney reciprocating movement rod 1 of 3 stops that arranges of the central position in the hyperbaric chamber housing; It is characterized in that, on the valve body low pressure locular wall and the hyperbaric chamber shell body wall on same circumference angle low-pressure fluid outer pipe 8-1 and high-pressure liquid inlet tube 10-1 are set respectively, on the low-pressure cavity shell body wall and on the same circumference angle on the valve body high pressure locular wall, and this circumference angle becomes 180 ° of positions with the direction of angulations of low-pressure fluid outer pipe, pressure-exchange cylinder connecting tube 3-2 is set respectively and with the high-pressure liquid outer pipe 8-4 of 90 ° of elbows, between the elbow of pressure-exchange cylinder connecting tube side and high-pressure liquid outer pipe, connecting tube 3-1 is set; The low pressure chamber that is shorter in length than valve body of the middle wide bar section of 3 stops reciprocating movement rod and the axial length sum in hyperbaric chamber, two sections shoulder places at middle wide bar section arrange low pressure chamber limiting stopper 7 and hyperbaric chamber limiting stopper 9 respectively, on the thin bar section that is in valve body low pressure chamber one side, arranging can be at the low pressure chamber mangetic core assembly of this bar section slipper seal, on the thin bar section that is in valve body hyperbaric chamber one side, arranging can be at the hyperbaric chamber mangetic core assembly of this bar section slipper seal, reciprocating movement rod pass adpting flange reach the outside link to each other with drive unit.
Above-mentioned low pressure chamber mangetic core assembly, it is characterized in that, it is the low pressure chamber valve plate 6 that to be fitted with the low pressure chamber limiting stopper by a side, with the pre-pressure release valve block 4 of the low pressure chamber that is positioned at this valve plate opposite side, and be fixed on this valve block and the two pre-pressure release valve block of low pressure chamber position-limited levers 5 of passing the low pressure chamber valve plate are formed; Wherein the diameter of low pressure chamber valve plate is offered two fan-shaped pylones and two the pre-pressure release valve block of low pressure chamber position-limited lever holes about diameter symmetry greater than the low pressure chamber port diameter on this valve plate plane, and the centre distance in its position-limited lever hole is less than low pressure chamber limiting stopper outside diameter; The length of the pre-pressure release valve block of low pressure chamber position-limited lever is greater than the thickness of low pressure chamber valve plate; The external diameter of the pre-pressure release valve block of low pressure chamber is greater than the maximum outside diameter of two through holes on the low pressure chamber valve plate.
Above-mentioned hyperbaric chamber mangetic core assembly, it is characterized in that, it is the hyperbaric chamber valve plate 11 that to be fitted with the hyperbaric chamber limiting stopper by a side, with the pre-supercharging valve block 12 in the hyperbaric chamber that is positioned at this valve plate opposite side, and be fixed on this valve block and two hyperbaric chamber pre-supercharging valve block position-limited levers 15 of passing the hyperbaric chamber valve plate are formed.Wherein the diameter of hyperbaric chamber valve plate is offered two fan-shaped pylones and pre-supercharging valve block position-limited lever hole, two hyperbaric chambers about diameter symmetry greater than the hyperbaric chamber port diameter on this valve plate plane, and the centre distance in its position-limited lever hole is less than hyperbaric chamber limiting stopper outside diameter; The length of hyperbaric chamber pre-supercharging valve block position-limited lever is greater than the thickness of hyperbaric chamber valve plate; The external diameter of the pre-supercharging valve block in hyperbaric chamber is greater than the maximum outside diameter of two through holes on the valve plate of hyperbaric chamber.
Advantage of the present utility model: one, adopt and divide cavity configuration in the novel cylindrical shell, realized that all valve plates are the slip self sealing structure all, improved the sealing effect of handoff procedure, slowed down the bump between sealing valve plate and valve body; Its two, by set up pre-supercharging valve block and pre-pressure release valve block in hyperbaric chamber valve plate and the low pressure chamber valve plate outside, reduce driving power and the energy consumption of mangetic core assembly significantly; Its three, what the Placement of this fluid switch and pressure-exchange cylinder adopted is that single cylinder is connected, and has reduced device fabrication cost and installation precision requirement.
Description of drawings
The to-and-fro motion selfsealings fluid switch of Fig. 1 single pressure-exchange cylinder for the utility model disposes is in supercharging working position status architecture schematic representation.
The to-and-fro motion selfsealings fluid switch of Fig. 2 single pressure-exchange cylinder for the utility model disposes is in pressure release working position status architecture schematic representation.
Fig. 3 is low pressure chamber valve plate and the hyperbaric chamber valve board structure schematic representation among Fig. 1 and Fig. 2.
Among the figure: the 1-reciprocating movement rod; The 2-adpting flange; 3-low-pressure cavity housing; 3-1-connecting tube; 3-2-pressure-exchange cylinder connecting tube; The pre-pressure release valve block of 4-low pressure chamber; The pre-pressure release valve block of 5-low pressure chamber position-limited lever; 6-low pressure chamber valve plate; 7-low pressure chamber limiting stopper; 8-valve body; 8-1-low-pressure fluid outer pipe; 8-2-low pressure chamber; 8-3-hyperbaric chamber; 8-4-high-pressure liquid outer pipe; 9-hyperbaric chamber limiting stopper; 10-hyperbaric chamber housing; 10-1-high-pressure liquid inlet tube; 11-hyperbaric chamber valve plate; The pre-supercharging valve block in 12-hyperbaric chamber; 13-high voltage terminal flange; 14-stop nut; 15-hyperbaric chamber pre-supercharging valve block position-limited lever.
Fig. 4 comprises the energy recycle device supercharging working procedure schematic representation that is made of the utility model fluid switch.
Fig. 5 comprises the energy recycle device pressure release working procedure schematic representation that is made of the utility model fluid switch.
Among Fig. 4 and Fig. 5: A-fluid switch; B-pressure-exchange cylinder; The C-piston; The D-check valve set.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.Valve body 8 external diameter Φ 168mm among the figure, long 250mm; Cylindrical low pressure chamber 8-2 and hyperbaric chamber 8-3 are set in it, and internal diameter all is Φ 100mm, and length is respectively 115mm and 105mm; It is Φ 80mm low-pressure fluid outer pipe 8-1 that internal diameter is set on its valve body low pressure locular wall, the high pressure locular wall arrange with 90 ° of elbows, internal diameter is Φ 65mm high-pressure liquid outer pipe 8-4; Valve body low pressure chamber end connects low-pressure cavity housing 3, this housing internal diameter Φ 140mm, wall thickness 14mm, long 130mm; It is Φ 80mm pressure-exchange cylinder connecting tube 3-2 that the low-pressure cavity housing is provided with internal diameter, and the side of this pressure-exchange cylinder connecting tube arranges the connecting tube 3-1 of internal diameter Φ 65mm, and this connecting tube and high-pressure liquid outer pipe connect; The other end of low-pressure cavity housing is equipped with adpting flange 2, and the adpting flange external diameter is Φ 262mm, and center-hole diameter is Φ 20mm; Valve body hyperbaric chamber end is connected with hyperbaric chamber housing 10, and this housing internal diameter is Φ 140mm, wall thickness 14mm, and long 165mm arranges high-pressure liquid inlet tube 10-1 on it, and its internal diameter is Φ 65mm; The opposite side of hyperbaric chamber housing is equipped with high voltage terminal flange 13, and its external diameter is Φ 262mm; Reciprocating movement rod 1 is the not isometrical bar of 3 stops, and middle wide bar section diameter is Φ 28mm, and long is 173mm, and the wide bar section both sides are thin bar section, and its diameter is Φ 20mm, and the thin pole length in left side is 210mm, the thin pole length 100mm in right side; The hyperbaric chamber mangetic core assembly comprises hyperbaric chamber valve plate 11, the pre-supercharging valve block 12 in hyperbaric chamber and two hyperbaric chamber pre-supercharging valve block position-limited levers 15, the hyperbaric chamber valve board structure as shown in Figure 3, its external diameter is Φ 110mm, center hole is Φ 20mm, thickness is 25mm, be processed with the fan-shaped pylone of two symmetries on the valve plate plane, each fan-shaped pylone central angle is 120 °, external diameter is Φ 65mm, internal diameter is Φ 30mm, on the symmetry axis of two fan-shaped pylones on the valve plate plane symmetry offer pre-supercharging valve block position-limited lever hole, two hyperbaric chambers, the hole pitch 40mm in two holes, the aperture is Φ 11mm; The diameter of phi 10mm of hyperbaric chamber pre-supercharging valve block position-limited lever, length 51mm, it passes behind the pre-supercharging valve block position-limited lever hole, two hyperbaric chambers by screw threads for fastening on the pre-supercharging valve block in hyperbaric chamber; The pre-supercharging valve block in hyperbaric chamber is discoid, and external diameter is Φ 71mm; The low pressure chamber mangetic core assembly comprises low pressure chamber valve plate 6, the pre-pressure release valve block 4 of low pressure chamber and two the pre-pressure release valve block of low pressure chamber position-limited levers 5, and its structure is consistent with the hyperbaric chamber mangetic core assembly with size.
Reciprocating movement rod links to each other with drive unit, the high-pressure liquid inlet tube links to each other with the high pressure brine pipeline, the low-pressure fluid outer pipe links to each other with the pressure release saline line, its pressure-exchange cylinder connecting tube links to each other with the pressure-exchange cylinder, and fluid switch, pressure-exchange cylinder and check valve set constitute the energy recycle device unit.The working procedure of to-and-fro motion selfsealings fluid switch that the utility model disposes single pressure-exchange cylinder is as follows: as shown in Figure 1, the fluid switch is in the supercharging working position, the pre-supercharging valve block 12 in hyperbaric chamber valve plate 11 and hyperbaric chamber is in open mode, and the pre-pressure release valve block 4 of low pressure chamber valve plate 6 and low pressure chamber is in closed condition, what carry out in the corresponding pressure-exchange cylinder is pressurization, as shown in Figure 4, high pressure brine enters hyperbaric chamber housing 10 from high-pressure liquid inlet tube 10-1, pass hyperbaric chamber 8-3, high-pressure liquid outer pipe 8-4, connecting tube 3-1 and pressure-exchange cylinder connecting tube 3-2 enter the pressure-exchange cylinder, promote piston, pressure can be passed to raw material seawater; When the check valve set side end of piston arrives pressure-exchange cylinder, fluid switch reciprocating movement rod right-to-left motion under the effect of outside force, the pre-supercharging valve block in hyperbaric chamber valve plate and hyperbaric chamber is successively closed under the acting in conjunction of high pressure brine and reciprocating movement rod.Meanwhile, the low pressure chamber limiting stopper promotes the pre-pressure release valve block of low pressure chamber and the low pressure chamber valve plate is opened successively, is converted to the pressure release working position.
Energy recycle device shown in Figure 5 is in pressure leak process, and corresponding fluid switch as shown in Figure 2.This moment, fluid switch low pressure chamber valve plate and the pre-pressure release valve block of low pressure chamber all were in open mode, and the pre-supercharging valve block in hyperbaric chamber valve plate and hyperbaric chamber is in closed condition, raw material seawater enters the pressure-exchange cylinder by the check valve set end, promoting piston makes pressure release salt solution flow into low-pressure cavity housing 3 by pressure-exchange cylinder connecting tube, pass low pressure chamber 8-2 and low-pressure fluid outer pipe 8-1 discharger, when the fluid switch side end of piston arrives pressure-exchange cylinder, pressure leak process finishes; So, one increases the pressure release end cycle, then enters the next one and increases the pressure release cycle, so alternately realizes carrying out continuously of energy callback course.

Claims (3)

1. to-and-fro motion selfsealings fluid switch that disposes single pressure-exchange cylinder, this fluid switch comprises: the adpting flange at two ends (2) and high voltage terminal flange (13), two flanges clamp sealing intermediate portion part by pull bar and Sealing, and intermediate member comprises valve body (8), the low-pressure cavity housing (3) that is connected with the low pressure chamber (8-2) of this valve body, the hyperbaric chamber housing (10) that is connected with valve body hyperbaric chamber (8-3); In the low-pressure cavity housing, in the valve body and the waney reciprocating movement rod of 3 stops (1) that arranges of the central position in the hyperbaric chamber housing; It is characterized in that, on the valve body low pressure locular wall and the hyperbaric chamber shell body wall on same circumference angle low-pressure fluid outer pipe (8-1) and high-pressure liquid inlet tube (10-1) are set respectively, on the low-pressure cavity shell body wall and on the same circumference angle on the valve body high pressure locular wall, and this circumference angle becomes 180 ° of positions with the direction of angulations of low-pressure fluid outer pipe, pressure-exchange cylinder connecting tube (3-2) is set respectively and with the high-pressure liquid outer pipe (8-4) of 90 ° of elbows, connecting tube (3-1) is set between the elbow of pressure-exchange cylinder connecting tube side and high-pressure liquid outer pipe; The low pressure chamber that is shorter in length than valve body of the middle wide bar section of 3 stops reciprocating movement rod and the axial length sum in hyperbaric chamber, at two sections shoulder places of middle wide bar section low pressure chamber limiting stopper (7) and hyperbaric chamber limiting stopper (9) are set respectively, on the thin bar section that is in valve body low pressure chamber one side, arranging can be at the low pressure chamber mangetic core assembly of this bar section slipper seal, on the thin bar section that is in valve body hyperbaric chamber one side, arranging can be at the hyperbaric chamber mangetic core assembly of this bar section slipper seal, reciprocating movement rod pass adpting flange reach the outside link to each other with drive unit.
2. press the to-and-fro motion selfsealings fluid switch of the single pressure-exchange cylinder of the described configuration of claim 1, it is characterized in that, the low pressure chamber mangetic core assembly is the low pressure chamber valve plate (6) that can be fitted with the low pressure chamber limiting stopper by a side, with the pre-pressure release valve block of the low pressure chamber that is positioned at this valve plate opposite side (4), and be fixed on this valve block and the two pre-pressure release valve block of low pressure chamber position-limited levers (5) of passing the low pressure chamber valve plate are formed; Wherein the diameter of low pressure chamber valve plate is offered two fan-shaped pylones and two the pre-pressure release valve block of low pressure chamber position-limited lever holes about diameter symmetry greater than the low pressure chamber port diameter on this valve plate plane, and the centre distance in its position-limited lever hole is less than low pressure chamber limiting stopper outside diameter; The length of the pre-pressure release valve block of low pressure chamber position-limited lever is greater than the thickness of low pressure chamber valve plate; The external diameter of the pre-pressure release valve block of low pressure chamber is greater than the maximum outside diameter of two through holes on the low pressure chamber valve plate.
3. press the to-and-fro motion selfsealings fluid switch of the single pressure-exchange cylinder of the described configuration of claim 1, it is characterized in that, the hyperbaric chamber mangetic core assembly is the hyperbaric chamber valve plate (11) that can be fitted with the hyperbaric chamber limiting stopper by a side, with the pre-supercharging valve block in the hyperbaric chamber that is positioned at this valve plate opposite side (12), and be fixed on this valve block and two hyperbaric chamber pre-supercharging valve block position-limited levers (15) of passing the hyperbaric chamber valve plate are formed; Wherein the diameter of hyperbaric chamber valve plate is offered two fan-shaped pylones and pre-supercharging valve block position-limited lever hole, two hyperbaric chambers about diameter symmetry greater than the hyperbaric chamber port diameter on this valve plate plane, and the centre distance in its position-limited lever hole is less than hyperbaric chamber limiting stopper outside diameter; The length of hyperbaric chamber pre-supercharging valve block position-limited lever is greater than the thickness of hyperbaric chamber valve plate; The external diameter of the pre-supercharging valve block in hyperbaric chamber is greater than the maximum outside diameter of two through holes on the valve plate of hyperbaric chamber.
CN 201320007254 2013-01-08 2013-01-08 Reciprocating-motion self-sealing fluid switcher provided with single-pressure exchange cylinder Withdrawn - After Issue CN203067838U (en)

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Application Number Priority Date Filing Date Title
CN 201320007254 CN203067838U (en) 2013-01-08 2013-01-08 Reciprocating-motion self-sealing fluid switcher provided with single-pressure exchange cylinder

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032603A (en) * 2013-01-08 2013-04-10 天津大学 Reciprocating motion self-sealing fluid converter equipped with single-pressure exchange cylinder
CN103672096A (en) * 2013-07-29 2014-03-26 深圳市信宇人科技有限公司 Baffle stop valve capable of keeping valve cavity size constant in opening or closing
CN110159792A (en) * 2018-02-13 2019-08-23 太平洋工业株式会社 Motor-driven valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032603A (en) * 2013-01-08 2013-04-10 天津大学 Reciprocating motion self-sealing fluid converter equipped with single-pressure exchange cylinder
CN103032603B (en) * 2013-01-08 2014-07-02 天津大学 Reciprocating motion self-sealing fluid converter equipped with single-pressure exchange cylinder
CN103672096A (en) * 2013-07-29 2014-03-26 深圳市信宇人科技有限公司 Baffle stop valve capable of keeping valve cavity size constant in opening or closing
CN103672096B (en) * 2013-07-29 2016-01-27 深圳市信宇人科技有限公司 The baffle stop valve of the valve pocket constancy of volume can be kept when opening or closing
CN110159792A (en) * 2018-02-13 2019-08-23 太平洋工业株式会社 Motor-driven valve

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AV01 Patent right actively abandoned

Granted publication date: 20130717

Effective date of abandoning: 20140702

RGAV Abandon patent right to avoid regrant