CN202415221U - Reciprocating motion sliding block axial sealing fluid pressure switcher - Google Patents
Reciprocating motion sliding block axial sealing fluid pressure switcher Download PDFInfo
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- CN202415221U CN202415221U CN2011203403010U CN201120340301U CN202415221U CN 202415221 U CN202415221 U CN 202415221U CN 2011203403010 U CN2011203403010 U CN 2011203403010U CN 201120340301 U CN201120340301 U CN 201120340301U CN 202415221 U CN202415221 U CN 202415221U
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- high pressure
- baffle ring
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Abstract
The utility model discloses a reciprocating motion sliding block axial sealing fluid pressure switcher. The fluid pressure switcher comprises a high pressure section casing and a pressure releasing barrel, wherein a fluid (high-pressure brine) inlet pipe, a water hydraulic cylinder connecting pipe and a pressure releasing connecting pipe are arranged on the high pressure section casing and the pressure releasing barrel, a pressure releasing port baffle ring is arranged at the end of the high pressure section casing, a high pressure chamber baffle ring, a distance ring for limiting and fixing the high pressure chamber baffle ring and a connecting baffle ring are arranged in the high pressure section casing, four pulling bars which are connected with one another are arranged at a radial center position of the high pressure section casing and the pressure releasing barrel, and a fixed sealing block matching with the high pressure chamber baffle ring in a sealing mode, a connecting baffle ring sliding sealing block and a pressure releasing port baffle ring sliding sealing block are arranged on the pulling rods. The reciprocating motion sliding block axial sealing fluid pressure switcher has the advantages that complex fluid switching can be achieved through a simple structure, the inner structure is assembled by a plurality of small components, the fluid pressure switcher is easy to process and install, the replaceability is good, the operation is reliable, and no fluctuation exists in pressure and flow entering and leaving the fluid pressure switcher.
Description
Technical field
The utility model relates to a kind of to-and-fro movement slide block shoulder seal hydrodynamicpressure switch, belongs to the part apparatus of reverse osmosis sea water desalting energy recovery device.
Background technology
The reverse osmosis seawater desalting technology is generally adopted in China as a kind of main Freshwater resources increment technique.Reverse osmosis seawater desalting belongs to pressure-actuated membrane sepn process; Raw material seawater needs at first to be pressurized between the 5.5-8.0MPa through HPP and to get into reverse osmosis membrane assembly; Wherein about 45% raw material seawater is separated into desalination product water through 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, adopt the energy recycle device high efficiente callback to utilize the overbottom pressure energy in the high pressure brine, significant to reducing the reverse osmosis seawater desalination system energy consumption with product water cost.
Energy recycle device has become one of critical equipment of reverse osmosis seawater desalting technology, and it mainly is divided into two types of hydraulic turbine formula and positive displacement formulas by principle of work.The former energy recovery efficiency relatively low (about 85%), and energy recovery efficiency can sharply descend when departing from rated flow.Latter's energy recovery efficiency is up to 95%, and do not operated flow effect basically, becomes the major products of domestic and international research and development and marketing.
Valve control energy recycle device promptly belongs to positive displacement formula product type, and the hydrodynamicpressure switch is one of its most crucial preassembling.Patent US005797429A has announced a kind of reciprocating piston type hydrodynamicpressure switch, and its principle of work is the piston to-and-fro movement in having the switch housing of interlayer through two coaxial connections, realizes the mobile switching of high pressure brine and pressure release brinish.This patent design weak point is: one of which, the trim of switch inner fluid are the circumferential seals of piston cylindrical surface and shell inner surface, and the device requirement on machining accuracy is high, and the piston packing effect is difficult for guaranteeing; Its two, the switch housing is a sandwich structure, and the grid type circulation groove is set on the housing inner barrel, complete processing is complicated, the device manufacturing cost is higher.
Summary of the invention
The purpose of the utility model is to provide a kind of compact construction; Simple to operate; Transposition is rapid, the function of hydrodynamicpressure and flow rate fluctuation when the to-and-fro movement slide block shoulder seal hydrodynamicpressure switch of dependable performance, this hydrodynamicpressure switch also have the elimination transposition simultaneously.
The utility model is realized through following technical scheme: a kind of to-and-fro movement slide block shoulder seal hydrodynamicpressure switch; This hydrodynamicpressure switch comprises high pressure section housing 4; Its end connects pressure relief opening baffle ring 9 through the flange on it; Its other end is provided with connection baffle 3, and this connection baffle connects pressure release section cylindrical shell 13, on pressure release section cylindrical shell, relief tube 2 is set; On the high pressure section housing, to the center fluid (high pressure brine) is set and gets into pipe 6, get into pipe relative 180 with fluid in housing shaft
oThe high pressure section housing on and to get into pipe elongation center line with fluid be that symmetry centre is provided with hydraulic cylinder pipe connecting I 12, hydraulic cylinder pipe connecting II 11; It is characterized in that; In the high pressure section housing, high pressure chest baffle ring I 5-1, high pressure chest baffle ring II 5-2 are set in the both sides of the fluid entering mouth of pipe; Wherein high pressure chest baffle ring I is in addition spacing fixing by distant collar I 8-2 set between this high pressure chest baffle ring to connection baffle 3; High pressure chest baffle ring II is in addition spacing fixing by distant collar II 8-1 set between this high pressure chest baffle ring to pressure relief opening baffle ring 9; So the concentric whole chamber that high pressure section housing and pressure release section cylindrical shell constitute is separated into four chambers by pressure relief opening baffle ring, two high pressure chest baffle rings and connection baffle; Four chamber radial center four pull bars of concentric connection are set, are respectively pull bar I 1-1, pull bar II 1-2, pull bar III 1-3 and pull bar IV 1-4, wherein the pull bar III is the thin ladder section bar in middle thick two; And the pull bar two ends are shaped on outside screw, on two sections thin bar section of this pull bar, assemble the fixing seal piece I 7-3 that cooperates with high pressure chest baffle ring I 5-1, the fixing seal piece II 7-1 that cooperates with high pressure chest baffle ring II 5-2 respectively; Stretch to pressure relief opening baffle ring direction in the pull bar III; With this drag link end pull bar IV that is threaded, pressure relief opening baffle ring slipper seal piece 7-2 is set, on the thin bar section of pull bar IV at the rod end of the pull bar IV set nut 10 that is threaded; At the other end of pull bar III with the end of this pull bar pull bar II that is threaded; Connection baffle slipper seal piece 7-4 is set on this pull bar II thin bar section, is connected with the monaural battle pin with the pull bar I at the rod end of pull bar II, the other end of pull bar I stretches out outside the pressure release section cylindrical shell end plate.
The axial end trim of above-mentioned high pressure chest baffle ring I 5-1 and high pressure chest baffle ring II 5-2 is the plane, and perhaps shoulder seal face is the awl plane.
Above-mentioned fixing seal piece I 7-3 and fixing seal piece II 7-1 are made up of anisodiametric cylindrical section and annulus shell of column, and its medium-small diameter annulus shell of column and high pressure chest baffle ring inner chamber are offered the radial flow through hole to be connected movingly on it; Or fixing seal piece I 7-3 and fixing seal piece II 7-1 are made up of conical surface body section and annulus shell of column; Wherein, The awl plane of conical surface body section cooperates with the awl flat seal of high pressure chest baffle ring I 5-1 and high pressure chest baffle ring II 5-2; Annulus shell of column and high pressure chest baffle ring inner chamber are offered the radial flow through hole to be connected movingly on it.
The advantage of the utility model: realize that with simple structure complicated fluid switches, internal structure is assembled by a plurality of small components, is easy to processing; And need not exotic materials and complete processing, be convenient to install, replaceability is good; Owing to adopt the mechanical seal form of good sealing effect, can easier control the spillage of high pressure brine to pressure relief pipe, control is accurately; Reliable operation, the pressure and the flow ripple disable of turnover hydrodynamicpressure switch.
Description of drawings
Fig. 1 is the energy recycle device structural representation of configuration the utility model to-and-fro movement slide block shoulder seal hydrodynamicpressure switch.
Fig. 2 is the utility model to-and-fro movement slide block shoulder seal hydrodynamicpressure switch structural representation.
Fig. 3 is the another kind of working state structure synoptic diagram of the utility model to-and-fro movement slide block shoulder seal hydrodynamicpressure switch.
Fig. 4 is the structural representation of fixing seal piece I or fixing seal piece II among Fig. 2.
Fig. 5 is the A-A cross-sectional view of Fig. 4.
Fig. 6 is the structural representation of shoulder seal face for awl planar high pressure chest baffle ring I or high pressure chest baffle ring II.
Fig. 7 is the conical surface fixing seal piece I that is sealed and matched with Fig. 6 or the structural representation of conical surface fixing seal piece II.
Among the figure: 1-1-pull bar I; 1-2-pull bar II; 1-3-pull bar III; 1-4-pull bar IV; 2-relief tube; 3-connection baffle; 4-high pressure section housing; 5-1-high pressure chest baffle ring I; 5-2-high pressure chest baffle ring II; 6-high pressure brine gets into pipe; 7-1-fixing seal piece II; 7-2-pressure relief opening baffle ring slipper seal piece; 7-3-fixing seal piece I; 7-4-connection baffle slipper seal piece; 8-1-distant collar II; 8-2-distant collar I; 9-pressure relief opening baffle ring; 10-set nut; 11-hydraulic cylinder pipe connecting II; 12-hydraulic cylinder pipe connecting I; 13-pressure release section cylindrical shell.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.Fig. 2 is the structural representation of the utility model hydrodynamicpressure switch, figure mesohigh piece housing 4, this housing external diameter Φ 190mm, wall thickness 15mm, long 530mm; Connect fluid on the housing and get into pipe 6, internal diameter is Φ 80mm, and the internal diameter of hydraulic cylinder pipe connecting I 12 and hydraulic cylinder pipe connecting II 11 is Φ 80mm; Housing one end connects pressure relief opening baffle ring 9 through flange on it and bolt, and this pressure relief opening baffle ring is the flange plate-like, middle perforate, and internal diameter is Φ 100mm; The high pressure section housing the other end is connected with connection baffle 3 through flange, and this connection baffle median pore radius is Φ 100mm; This connection baffle connects pressure release section cylindrical shell 13, and the internal diameter of this cylindrical shell is Φ 120mm, and long is 220mm, and the internal diameter of the relief tube 2 that connects on it is Φ 80mm; Distant collar I 8-2 and distant collar II 8-1 are set in the high pressure section cavity, and this distant collar external diameter is Φ 160mm, wall thickness 7.5mm, and the equipped bore dia of the adapter of offering on it is Φ 85mm; Be provided with in the both sides of high pressure brine admission port by distant collar in addition spacing fixed high pressure chest baffle ring I 5-1 and high pressure chest baffle ring II 5-2; This high pressure chest baffle ring is the boss shape; Internal orifice dimension is Φ 100mm, and the maximum outward flange diameter of the boss of this high pressure chest baffle ring is Φ 160mm; Pull bar III 1-3 interlude diameter is Φ 40mm, and the diameter of two ends thin bar section is Φ 24mm; On this thin bar section, install and fix sealing block I 7-3 and fixing seal piece II 7-1, the big boss external diameter on this fixing seal piece is Φ 123mm, on it with high pressure chest baffle ring endoporus annulus shell of column outside diameter movingly be Φ 100mm; The rod end of the pull bar III pull bar IV 1-4 that is threaded, the diameter of the wide bar section of pull bar IV is Φ 40mm, is furnished with set nut 10 on the rod end outside screw, on thin bar section, is equipped with pressure relief opening baffle ring slipper seal piece 7-2, this slipper seal piece disk body external diameter is Φ 123mm; The outside screw cylinder lever connecting rod II of the other end of pull bar III; The wide bar section diameter of this pull bar II is Φ 40mm; The thin bar section diameter is Φ 24mm; Comprising the monaural ring section that is of a size of 30x20mm, on thin bar section, be equipped with the connection baffle slipper seal piece 7-4 that has small boss, this slipper seal piece disk body external diameter is Φ 123mm; The pull bar II is through monaural battle pin cylinder lever connecting rod I, and pull bar I diameter is Φ 40mm.
The working process of the to-and-fro movement slide block shoulder seal hydrodynamicpressure switch of said structure is following: this switch configurations is in the sea water desaltination energy-recuperation system; As shown in Figure 1; This energy-recuperation system comprises two hydraulic cylinders; One end of hydraulic cylinder connects the hydrodynamicpressure switch of the utility model, and the other end connects check valve set.The reciprocating power of the utility model pull bar is provided by oil cylinder; When pull bar moves to state as shown in Figure 2; At this moment, the working order of the hydrodynamicpressure switch of the utility model is: high pressure brine gets into pipe 6 from high pressure fluid and flows in the high pressure section housing endoporus of the high pressure chest baffle ring I of flowing through 5-1 and the radial flow through hole on the fixing seal piece I 7-3; Flow into hydraulic cylinder 2 through hydraulic cylinder pipe connecting I 12, promote piston and carry out pressurization; Pressure release salt solution in the hydraulic cylinder 1 then flows to the centre hole of pressure relief opening baffle ring 9 through hydraulic cylinder pipe connecting II 11, carry out pressure leak process; Connection baffle slipper seal piece 7-4 and fixing seal piece II 7-1 are in closing condition always in this process; After this increased the pressure leak process end, pull bar switched to working order shown in Figure 3, in this handoff procedure; At first pressure relief opening baffle ring slipper seal piece 7-2 and pressure relief opening baffle ring 9 are closed sealing; Fixing seal piece II 7-1 opens again then, and when fixing seal piece I and high pressure chest baffle ring I sealed and open with fixing seal piece II and high pressure chest baffle ring II, two sealing blocks were in open mode simultaneously for some time; At this moment; High pressure brine can be in breakthrough status with one or two hydraulic cylinder always, and the process that do not build the pressure can be eliminated the flow and the pressure surge of handoff procedure; When fixing seal piece I and high pressure chest baffle ring I seal when opening fully with fixing seal piece II and high pressure chest baffle ring II fully; The working order of the hydrodynamicpressure switch of the utility model is as shown in Figure 3: at this moment; High pressure brine flows into hydraulic cylinder 1 from fluid admission port 6; Hydraulic cylinder 1 is in pressurization, and the pressure release salt solution of hydraulic cylinder 2 then flows to pressure release section cylindrical shell 13, flows out switch from relief tube 2.So, a switching cycle finishes, and then gets into next switching cycle, so alternately realizes carrying out continuously of pressure-exchange process.In the reciprocating process of above-mentioned pull bar; Connection baffle slipper seal piece 7-4 and pressure relief opening baffle ring slipper seal piece 7-2 then provide snap-in force by high pressure brine; The sliding process of two slipper seal pieces determines to have automatic regulatory function jointly by the pressure of high pressure brine and the amount of movement of pull bar.
The to-and-fro movement of above-mentioned pull bar provides power to realize by oil cylinder, also can provide power to realize by high pressure brine.
Claims (2)
1. to-and-fro movement slide block shoulder seal hydrodynamicpressure switch; This hydrodynamicpressure switch comprises high pressure section housing (4), and its end connects pressure relief opening baffle ring (9) through the flange on it, and its other end is provided with connection baffle (3); This connection baffle connects pressure release section cylindrical shell (13); Relief tube (2) is set on pressure release section cylindrical shell, on the high pressure section housing, to the center high pressure brine is set and gets into pipe (6), get into pipe relative 180 with fluid in housing shaft
oThe high pressure section housing on and to get into pipe elongation center line with fluid be that symmetry centre is provided with hydraulic cylinder pipe connecting I (12), hydraulic cylinder pipe connecting II (11); It is characterized in that; In the high pressure section housing, high pressure chest baffle ring I (5-1), high pressure chest baffle ring II (5-2) are set in the both sides of the fluid entering mouth of pipe; Wherein high pressure chest baffle ring I is in addition spacing fixing by distant collar I (8-2) set between this high pressure chest baffle ring to connection baffle (3); High pressure chest baffle ring II is in addition spacing fixing by distant collar II (8-1) set between this high pressure chest baffle ring to pressure relief opening baffle ring (9); So the concentric whole chamber that high pressure section housing and pressure release section cylindrical shell constitute is separated into four chambers by pressure relief opening baffle ring, two high pressure chest baffle rings and connection baffle; Four pull bars of concentric connection are set four chamber radial center; Be respectively pull bar I (1-1), pull bar II (1-2), pull bar III (1-3) and pull bar IV (1-4); Wherein the pull bar III is the thin ladder section bar in middle thick two, and the pull bar two ends are shaped on outside screw, the fixing seal piece I (7-3) that cooperates with high pressure chest baffle ring I (5-1) of assembling, the fixing seal piece II (7-1) that cooperates with high pressure chest baffle ring II (5-2) respectively on two sections thin bar section of this pull bar; Stretch to pressure relief opening baffle ring direction in the pull bar III; With this drag link end pull bar IV that is threaded; Pressure relief opening baffle ring slipper seal piece (7-2) is set on the thin bar section of pull bar IV; At the rod end of the pull bar IV set nut (10) that is threaded, with the end of this pull bar pull bar II that is threaded, on this pull bar II thin bar section, connection baffle slipper seal piece (7-4) is set at the other end of pull bar III; Rod end in the pull bar II is connected with the monaural battle pin with the pull bar I, and the other end of pull bar I stretches out outside the pressure release section cylindrical shell end plate.
2. by the described to-and-fro movement slide block of claim 1 shoulder seal hydrodynamicpressure switch, it is characterized in that the axial end trim of high pressure chest baffle ring I (5-1) and high pressure chest baffle ring II (5-2) is the plane, perhaps shoulder seal face is the awl plane.
3. by the described to-and-fro movement slide block of claim 1 shoulder seal hydrodynamicpressure switch; It is characterized in that; Fixing seal piece I (7-3) and fixing seal piece II (7-1) are made up of anisodiametric cylindrical section and annulus shell of column; Its medium-small diameter annulus shell of column and high pressure chest baffle ring inner chamber are offered the radial flow through hole to be connected movingly on it; Or fixing seal piece I (7-3) and fixing seal piece II (7-1) are made up of conical surface body section and annulus shell of column; Wherein, The awl plane of conical surface body section cooperates with the awl flat seal of high pressure chest baffle ring I (5-1) and high pressure chest baffle ring II (5-2); Annulus shell of column and high pressure chest baffle ring inner chamber are offered the radial flow through hole to be connected movingly on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203403010U CN202415221U (en) | 2011-09-13 | 2011-09-13 | Reciprocating motion sliding block axial sealing fluid pressure switcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203403010U CN202415221U (en) | 2011-09-13 | 2011-09-13 | Reciprocating motion sliding block axial sealing fluid pressure switcher |
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| Publication Number | Publication Date |
|---|---|
| CN202415221U true CN202415221U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203403010U Withdrawn - After Issue CN202415221U (en) | 2011-09-13 | 2011-09-13 | Reciprocating motion sliding block axial sealing fluid pressure switcher |
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| CN (1) | CN202415221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351277A (en) * | 2011-09-13 | 2012-02-15 | 天津大学 | Axially-sealed fluid pressure switcher with reciprocating sliders |
-
2011
- 2011-09-13 CN CN2011203403010U patent/CN202415221U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351277A (en) * | 2011-09-13 | 2012-02-15 | 天津大学 | Axially-sealed fluid pressure switcher with reciprocating sliders |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |