CN106277194A - Application mouse cage ventilated motor aluminium oxide ceramics union machine extracts fresh water method - Google Patents

Abstract

The invention belongs to Yu Haiyang and obtain fresh water special purpose machinery, application mouse cage ventilated motor aluminium oxide ceramics union machine extracts fresh water method, this machine includes that sea water preprocessing pond, low pressure suction pipe, low pressure lift pump, moisturizing suction pipe, high pressure make-up pump, pipeline threeway, reverse osmosis membrane and union pressure-exchange promote pump, as improvement: mouse cage water-cooled ventilated motor assemble method and union fitting passage Connection Step and union pressure-exchange machine workflow and reverse osmosis seawater desalting work process are as follows: one, mouse cage water-cooled ventilated motor assemble method；Two, union fitting passage Connection Step；Three, union pressure-exchange machine workflow；Four, reverse osmosis seawater desalting work process；The present invention use union attachment structure dismounting, easy to maintenance, particularly set up flange pressure-exchange and promote pump, booster pump suction inlet on boost in pressure flange pump portion is directly directed at the supercharging center round in union pressure-exchange machine part, and compact conformation, energy-saving effect is obvious.

Description

Application mouse cage ventilated motor aluminium oxide ceramics union machine extracts fresh water method

Technical field

The invention belongs to apply machine to obtain fresh water method, be specifically related in reverse osmosis seawater desalination system set up pressure and hand over Change the application mouse cage ventilated motor aluminium oxide ceramics union machine extraction fresh water method promoting pump.

Background technology

Along with scientific and technological progress, population is increasing, and people are the strongest to the hope of ocean development, and desalinization processes increasingly Universal, the energy consumption cost of desalinization is by special concern.Desalinization in early days uses the way of distillation, such as multi-stage flash evaporation technology, energy Consumption, at 9.0kWh/m3, the most only build the area that energy cost is the lowest in, such as Middle East petroleum state, or has the available area of used heat. 20 century 70 Reverse-osmosis Seawater Desalination Technologies put into application, through updating.The majority built up before the beginning of the eighties Process energy consumption 6.0kWh/m3 of reverse osmosis seawater desalination system, its topmost improvement is the high pressure brine pipe after processing Energy Efficient recycles.

The fresh water purity obtained through Reverse-osmosis Seawater Desalination Technology depends on the consistency of permeable membrane, and consistency gets over Gao Ze The fresh water purity obtained is the highest, requires the sea water participating in infiltration is brought up to higher pressure simultaneously.Accordingly, it is capable to reclaim effect Rate has become the key reducing desalinization cost.The pressure-exchange that the world today recycles at field of seawater desalination liquid energy Device is primarily present a series of mechanical movement part and electrical equipment switching mechanism, and maintenance rate is higher final affects production cost.As: in The reverse osmosis desalination device of state's license notification number CN 101041484 B band energy regenerating；Chinese patent mandate is public Announcement CN 100341609 C reverse osmosis sea water desalting energy recovery device multiple tracks pressure switcher etc..The world today is at sea water The pressure exchanger that desalination field liquid energy recycles mainly has following three kinds:

1, traditional rotor hydraulic cylinder structure is similar to plunger displacement pump, and advantage is that liquid working medium the most directly connects with discarded highly pressurised liquid Touching, peak efficiency is up to 95%, and the rotor of shortcoming hydraulic cylinder structure and rotor shaft self have the biggest friction power loss, especially Being that the reciprocation sealing technology of rotor shaft is most difficult to reach ideal effect, actual efficiency is often below 90%, and particularly frictional dissipation causes Equipment downtime is frequent, maintenance cost is high.The patent No.: 621010122952.2, China's invention announced on July 21st, 6210 is special Profit: for differential energy recovery device and the method for seawater desalination system, just belong to conventional rotors hydraulic cylinder structure；

2, the energy delivery devices of turbine water pump selection, advantage is that liquid working medium the most directly connects with discarded highly pressurised liquid Touch, and adapt to the transmission of big Fluence energies, but the peak efficiency of its unit is also below 75%, therefore the energy transmission of so combination sets Standby unit efficiency typically only 40% to 55%；

3, in the world desalinization is put into the earliest and most successful developed country, such as Japan, Denmark, Holland Sweden, Norway Britain, the U.S. and Germany etc., all did effort in terms of pressure-exchange, but its highest exchange efficiency be all not above 95%, And conveyance system is huge, the driving of external electrical equipment and switch valve etc. control element and too much cause contingency frequently to occur, finally Cause significantly increasing the extra charge such as equipment investment and daily management maintenance.

Summary of the invention

It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of islands and reefs fresh water manufactures machine, equipped with union Pressure-exchange promotes pump, and pressure-exchange efficiency can be made to improve, and system structure is compacter, also eliminates switch valve etc. and controls Element, is finally reached and investment and daily management maintenance cost is greatly reduced.By the following technical solutions:

Application mouse cage ventilated motor aluminium oxide ceramics union machine extract fresh water method, this machine include sea water preprocessing pond, Low pressure suction pipe, low pressure lift pump, moisturizing suction pipe, high pressure make-up pump, pipeline threeway, reverse osmosis membrane and union pressure-exchange promote Pump, reverse osmosis membrane both sides are respectively film intake antrum and film water chamber, and union pressure-exchange promotes has supercharging union to connect on pump Head, release union joint, low pressure union joint and pressure accumulation union joint, refluxed by film between pressure accumulation union joint and film intake antrum Pipe connects, and film water chamber is connected to desalination water and goes out pipe, is connected by high pressure sea water inlet pipe between film intake antrum is suitable for reading with pipeline threeway, Is connected by conversion high-voltage tube between supercharging union joint with pipeline threeway side port, supplementary high-voltage tube two ends respectively with pipeline three catharsis Mouth and vertical union are permanent to stream device outlet airtight connection, and high pressure make-up pump is connected on supplementary high-voltage tube；Low pressure line two ends Permanent with low pressure union joint and horizontal union to stream device outlet airtight connection respectively, low pressure lift pump is connected on low pressure line On, release union joint is connected to drain line；

Described supercharging union joint includes outside volute outlet union back-up ring and conversion high pressure union external screw thread and spiral case union Circle, volute outlet union back-up ring has volute outlet seal sphere, conversion high pressure union external screw thread has conversion high pressure sealing recessed The conical surface, spiral case union outer ring Shang You outer ring step surface and outer ring female thread, outer ring step surface limits volute outlet union back-up ring, Outer ring female thread coordinates with conversion high pressure union external screw thread and volute outlet seals sphere and changes between high pressure sealing concave cone face Constitute hard sealing；

Horizontal union it is in series with permanent to stream device, described high pressure between described low pressure lift pump import and described low pressure suction pipe Vertical union it is in series with permanent to stream device, described union pressure-exchange elevator between make-up pump import and described moisturizing suction pipe Pump is made up of boost in pressure union pump portion and union pressure-exchange machine part, and boost in pressure union pump is air-cooled by mouse cage water-cooled Motor-driven；The described no inner-ring bearing entirety material in mouse cage water-cooled ventilated motor is aluminium oxide ceramics, as Improve:

Described mouse cage water-cooled ventilated motor assemble method and union fitting passage Connection Step and union pressure-exchange machine Workflow and reverse osmosis seawater desalting work process are as follows:

(1), mouse cage water-cooled ventilated motor assemble method:

Stator is fixed on motor casing endoporus, rotor is fixed at motor rotary shaft maximum gauge and and position of stator Corresponding, pass through the end cap casing through hole on motor front cover plate and the casing on motor casing front end face with eight front screws End face screw matches, and is fixed on the front end face of motor casing by motor front cover plate, the protecgulum axle of motor front cover plate Fixed fore bearing cylindrical in bearing bore, the fore bearing section of the fixed motor rotary shaft of fore bearing endoporus；With other eight front screws Motor back shroud is fixed on motor casing rear end face, on the bonnet dead eye of motor back shroud outside fixed rear bearing Circle, the rear bearing section of the fixed motor rotary shaft of rear bearing endoporus, cable passes through the lead-in wire window being positioned on motor back shroud Mouthful, it is connected to external control power supply；

(2), union fitting passage Connection Step:

(1), supercharging union joint connect, volute outlet is sealed sphere with conversion high pressure sealing concave cone in the face of neat, will conversion height Pressure union external screw thread and outer ring female thread rotatable engagement, outer ring step surface extruding volute outlet union back-up ring, force volute outlet Seal and produce crush seal between sphere and conversion high pressure sealing concave cone face so that between conversion high-voltage tube and the outlet of spiral case union Constitute standstill seal to fix；

(2) as supercharging union joint connection manner, respectively by release union joint, low pressure union joint and pressure accumulation union Joint carries out union with the pipeline of its both sides, position and is connected so that constitute static between drain line and pressure release flow passage Seal fixing, constitute between low pressure line and low pressure flow passage standstill seal fixes, film return duct and pressure accumulation flow passage it Between constitute standstill seal fix；

(3), union pressure-exchange machine workflow:

Exchanger rotor use on rotation round R position, arrange pressure-exchange passage A-M, respectively: passage A, passage B, Channel C, passage D, passage E, passage F, passage G, passage H, passage J, passage K, passage L, passage M, two adjacent passages it Between have isolation gusset make isolate；Rotation is imported domatic domatic with exchanger rotor end-face just with pressure accumulation importing rotation by low pressure To slanted angle, and supercharging is derived and is rotated the domatic and domatic reversed dip folder with exchanger rotor end-face of release derivation rotation Angle, just can allow unique movement parts exchanger rotor in union pressure-exchange machine part freely rotate, and exchanger rotor is with per second 20 rotate, and complete flow direction switching in pressure-exchange passage A-M, it is achieved pressure-exchange；

When the pre-treating seawater in pressure-exchange passage A-M is respectively at and low pressure runner and pressure release together with the pressure accumulation sea water that dams During runner same position, the pre-treating seawater of 0.2 MPa (MPa) pushes the pressure accumulation sea water that dams of atmospheric pressure and flows downwardly into pressure release Among runner；

When the pre-treating seawater in pressure-exchange passage A-M is respectively at and supercharging runner and pressure accumulation together with the pressure accumulation sea water that dams During runner same position, the pressure accumulation sea water that dams of 5.8 MPas (MPa) pushes pre-treating seawater, is injected up supercharging center round； Possessed the pre-treating seawater of 5.8 MPas (MPa) by exchange pressure to be pressurized impeller of pump by booster pump suction inlet and suck and power by centrifugation It is pressurized to 6.0 MPas (MPa) and flows through the outlet of spiral case union and supercharging union joint successively, be finally incorporated to high pressure sea water inlet pipe；

(4), reverse osmosis seawater desalting work process:

Low pressure suction pipe and moisturizing suction pipe are inserted into below pretreatment pool water surface 19 21 centimetres, start high pressure make-up pump, by The pre-treating seawater in sea water preprocessing pond drawn by moisturizing suction pipe, enters through supplementary high-voltage tube, pipeline threeway and high pressure sea water successively Guan Hou, is injected among film intake antrum and directly participates in permeable membrane desalinization；

When the pressure of the pre-treating seawater in film intake antrum reaches 6.0 MPas (MPa), the wherein pressure accumulation sea water quilt that dams of 80% Reverse osmosis membrane dams, and wherein the process fresh water of 20% penetrates reverse osmosis membrane, enters among film water chamber, goes out pipe conveying through desalination water Stand-by region is laid in fresh water；

Fail to pass through reverse osmosis membrane 80% the pressure accumulation sea water that dams through film return duct, enter into pressure accumulation by pressure accumulation union joint Runner position, participates in the pressure accumulation sea water experience wave raising and lowering of damming of lower half among pressure-exchange passage A-M, lets out Rotate to pressure release runner position along with exchanger rotor after pressure, flow through release union joint, emit from drain line or deliver to Downstream processes；

Meanwhile, start low pressure lift pump, low pressure suction pipe draw the pre-treating seawater in sea water preprocessing pond, successively through low Behind pressure pipe road and low pressure union joint, it is injected into low pressure runner position, participates in the pre-of the first half among pressure-exchange passage A-M Process sea water experience wave raising and lowering, rotate to supercharging runner position along with exchanger rotor after supercharging, flow through successively Supercharging union joint and pipeline threeway, after being incorporated to high pressure sea water inlet pipe, be injected among film intake antrum and directly participate in permeable membrane sea Water is desalinated.

Beneficial effect in the present invention:

1, the present invention use union attachment structure dismounting, easy to maintenance, particularly set up flange pressure-exchange promote pump, pressure The booster pump suction inlet promoted on flange pump portion is directly directed at, not only with the supercharging center round in union pressure-exchange machine part Compact conformation, and, low pressure lift pump only needs to improve the pressure accounting for the pre-treating seawater participating in reverse osmosis membrane amount of work 80% To 0.2 MPa (MPa), so that it may complete there is the pressure accumulation sea water that dammed of 5.8 MPas (MPa) to realize pressure and hand in film return duct Change, it is ensured that mouse cage water-cooled ventilated motor only needs the pressure of the pre-treating seawater by accounting for amount of work 80% again from 5.8 MPas (MPa) 6.0 MPas (MPa) are brought up to；Account for the pressure in the segmentation raising of the pre-treating seawater participating in reverse osmosis membrane amount of work 80% Power difference only has 0.46 MPa (MPa), and energy-saving effect is obvious；

The acquisition fresh water penetrating reverse osmosis membrane accounts for participation reverse osmosis membrane amount of work 20%, accounts for participation reverse osmosis membrane amount of work 20% Pre-treating seawater through high pressure make-up pump, directly bring up to 6.0 MPas (MPa) from atmospheric pressure；Obviously, set up flange pressure to hand over The reverse osmosis membrane desalinization changing the reverse osmosis membrane Seawater Desalination Project promoting pump and do not have flange pressure exchange to promote pump Engineering compares, and the energy consumption obtaining unit fresh water reduces about 30%.

2, having impeller stepped hole and impeller splined hole on booster pump impeller, there are axle spline segment, protecgulum in overhanging section of outer end of rotating shaft Hollow axle passes through shaft extension hand-hole and is positioned at union supercharging pump housing spiral case, and outer bearing props up to hold round and is combined with without inner ring axle Holding, no inner-ring bearing supports impeller bearing hub, and hollow axle stepped hole, axle spline segment and impeller splined hole are passed through in overhanging section of rotating shaft Engage each other and overhanging for a rotating shaft section moment of torsion is passed to booster pump impeller；Said structure achieve motor rotary shaft and fore bearing and Rear bearing is only subjected to pure torsion, and radial force produced by spline engagement is born by no inner-ring bearing completely, only acts on On protecgulum hollow axle, it is entirely avoided radial force is born in overhanging section of the rotating shaft on motor rotary shaft, improve mouse cage water-cooled wind Cold motor service life；

Union pressure-exchange machine part controls without elements such as the driving of any external electrical equipment and switch valves, imports rotation by low pressure Turn the domatic and domatic forward slanted angle with exchanger rotor of pressure accumulation importing rotation, and supercharging is derived and rotated domatic and pressure accumulation Import and rotate the domatic reversed dip angle with exchanger rotor, just can allow in union pressure-exchange machine part uniquely movement parts Exchanger rotor rotates freely, complete flow direction switching in pressure-exchange passage A-M, it is achieved pressure-exchange, it is to avoid use The contingency that any electrical equipment control may cause occurs.

3, have cooling sandwith layer, cooling sandwith layer to get around lead-in wire window between outer wall and the inwall of motor casing to arrange, cooling Interlayer circumference isolation two ends have respectively into water through hole and water outlet through hole, have isolation between water inlet through hole and water outlet through hole Muscle separates, the rear end fuisw rib dislocation cloth arranged inside the front end fuisw rib arranged inside case nose face and outer casing back face Put so that increase flow velocity in cooling sandwith layer, improve cooling effect.

Accompanying drawing explanation

Fig. 1 is the overall flow figure of the present invention.

Fig. 2 is the profile that flange pressure exchange promotes the boost in pressure flange pump portion in pump, in figure outside motor Shell 210 is semi-section.

Fig. 3 is the profile that flange pressure exchange promotes the union pressure-exchange machine part in pump.

Fig. 4 is the operation principle schematic diagram of union pressure-exchange machine in Fig. 3.

Fig. 5 is the X X sectional view in Fig. 3, eliminates connecting bolt 771 in figure.

Fig. 6 is the Y Y sectional view in Fig. 3, eliminates connecting bolt 771 in figure.

Fig. 7 is the three-dimensional part sectioned view of the exchanger rotor 740 in Fig. 3.

Fig. 8 be two kinds of liquid in exchanger rotor 740 during pressure-exchange, in the range of N N to P P in Fig. 3, with pressure A-M center, power interchange channel is radius, the fluid pressure energy exchange schematic flow sheet launched along rotation round R.

Fig. 9 be each pressure-exchange passage A-M in Fig. 8 after have rotated 1/12 circle, namely have rotated a passage Behind position, two kinds of liquid present positions of each channel interior.

Two kinds of liquid present positions in each passage when Figure 10 is pressure-exchange passage A-M rotation 2/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 11 is pressure-exchange passage A-M rotation 3/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 12 is pressure-exchange passage A-M rotation 4/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 13 is pressure-exchange passage A-M rotation 5/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 14 is pressure-exchange passage A-M rotation 6/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 15 is pressure-exchange passage A-M rotation 7/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 16 is pressure-exchange passage A-M rotation 8/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 17 is pressure-exchange passage A-M rotation 9/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 18 is pressure-exchange passage A-M rotation 10/12 circle in Fig. 8.

Two kinds of liquid present positions in each passage when Figure 19 is pressure-exchange passage A-M rotation 11/12 circle in Fig. 8.

Figure 20 is the heavy gauge schematic diagram at position residing for the rotating shaft in Fig. 2 overhanging section 246 and impeller bearing hub 290.

Figure 21 is position upward view residing for the step backing-up screw 274 in Figure 20.

Figure 22 is the independent enlarged drawing of protecgulum hollow axle 280 in Figure 20.

Figure 23 is that the impeller bearing hub 290 in Figure 20 omits enlarged drawing.

Figure 24 is that the motor front cover plate 220 in Fig. 2 individually rotates enlarged drawing.

Figure 25 is the independent enlarged drawing of motor casing 210 in Fig. 2.

Figure 26 is Figure 25 side view.

Figure 27 is the expanded view in Figure 25 along cooling sandwith layer 222 center line.

Figure 28 is the permanent profile (forward circulation status) crossing axial line to stream device 724 of vertical union.

Figure 29 is that in Figure 28, vertical union is permanent is in reverse blocking state to stream device 724.

Figure 30 is the mobile spool sectional axonometric drawing in Figure 28 or Figure 29.

Figure 31 is the mobile spool profile in Figure 28 or Figure 29.

Figure 32 is X X sectional view in Figure 28.

Figure 33 is Y Y sectional view in Figure 28.

Figure 34 is Z Z sectional view in Figure 28.

Figure 35 is the permanent profile forward circulation status crossing axial line to stream device 713 of the horizontal union in Fig. 1.

Figure 36 is that the horizontal union in Figure 35 is permanent is in reverse blocking state to stream device 713.

Figure 37 is W-W sectional view in Figure 35.

Figure 38 is horizontal valve body 630 axonometric chart of the union in Figure 35 or Figure 36.

Figure 39 is that rotation spool 620 axonometric chart in Figure 35 represents annular flow road junction 622.

Figure 40 is that rotation spool 620 axonometric chart in Figure 36 represents circular flow channel mouth 621.

Figure 41 is the profile at supercharging union joint 743 position in Fig. 1.

Figure 42 is that the spiral case union in Figure 41 exports 744 parts.

Figure 43 is spiral case union outer ring 795 part in Figure 41.

Figure 44 is conversion high-voltage tube 717 part in Figure 41.

Detailed description of the invention

In conjunction with the accompanying drawings and embodiments to the structure of the present invention and operation principle and in reverse osmosis seawater desalination system Application is further elaborated:

In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Figure 20, Figure 28, Figure 35 and Figure 44, apply mouse cage ventilated motor Aluminium oxide ceramics union machine extracts fresh water method, and this machine includes that sea water preprocessing pond 703, low pressure suction pipe 711, low pressure promote Pump 722, moisturizing suction pipe 712, high pressure make-up pump 714, pipeline threeway 769, reverse osmosis membrane 720 and union pressure-exchange elevator Pump, reverse osmosis membrane 720 both sides are respectively film intake antrum 718 and film water chamber 728, and union pressure-exchange promotes has supercharging on pump Union joint 743, release union joint 746, low pressure union joint 747 and pressure accumulation union joint 749, pressure accumulation union joint 749 Being connected by film return duct 727 with between film intake antrum 718, film water chamber 728 is connected to desalination water and goes out pipe 729, film intake antrum 718 Be connected by high pressure sea water inlet pipe 719 between suitable for reading with pipeline threeway 769, supercharging union joint 743 and pipeline threeway 769 side port it Between by conversion high-voltage tube 717 connect, supplement high-voltage tube 716 two ends respectively with pipeline threeway 769 end opening and vertical union perseverance to Stream device 724 exports airtight connection, and high pressure make-up pump 714 is connected on supplementary high-voltage tube 716；Low pressure line 723 two ends respectively with Low pressure union joint 747 and horizontal union perseverance export airtight connection to stream device 713, and low pressure lift pump 722 is connected on low-voltage tube On road 723, release union joint 746 is connected to drain line 726；

Described supercharging union joint 743 includes volute outlet union back-up ring 796 and conversion high pressure union external screw thread 792 and snail Shell union outer ring 795, volute outlet union back-up ring 796 has volute outlet seal sphere 797, changes high pressure union external screw thread There is conversion high pressure sealing concave cone face 793 on 792, spiral case union outer ring 795 have outer ring step surface 794 and outer ring female thread 798, Outer ring step surface 794 limits volute outlet union back-up ring 796, and outer ring female thread 798 is joined with conversion high pressure union external screw thread 792 Close to seal volute outlet and between sphere 797 and conversion high pressure sealing concave cone face 793, constitute hard sealing；As improvement:

Horizontal union it is in series with permanent to stream device 713 between described low pressure lift pump 722 import and described low pressure suction pipe 711, Vertical union it is in series with permanent to stream device 724 between described high pressure make-up pump 714 import and described moisturizing suction pipe 712, described Union pressure-exchange promote pump be made up of boost in pressure union pump portion and union pressure-exchange machine part, boost in pressure Union pump is driven by mouse cage water-cooled ventilated motor 710；

Described union pressure-exchange machine part includes exchanger rotor 740, exchanger urceolus 779 and pretreated water end cap 745 and trap water end cap 754, exchanger rotor 740 has two ends of rotor face 924 and rotor outer circle 821, rotor outer circle 821 with Coordinate for rotary sliding between exchanger urceolus 779 inner circle, exchanger rotor 740 has the pressure-exchange of circumference annular configuration Passage A-M and rotor center through hole 825；

Having described low pressure union joint 747 on pretreated water end cap 745 cylindrical, pretreated water end cap 745 has increasing on outer face Pressure flange dish 773 and supercharging center round 732, pretreated water end cap 745 inner face has low pressure import and rotates domatic 922 and increase Pressure derives rotation domatic 912 and supercharging lid screw 774；Low pressure union joint 747 and low pressure import rotate between domatic 922 by Low pressure runner 742 connects, and supercharging center round 732 is derived with supercharging to rotate and connected by supercharging runner 741 between domatic 912；

Have described pressure accumulation union joint 749 on trap water end cap 754 cylindrical, trap water end cap 754 outer face has release by Nonyl joint 746, trap water end cap 754 inner face has release derive rotate domatic 522 and pressure accumulation import rotate domatic 512 and Decompression cover screw 775；Pressure accumulation union joint 749 imports with pressure accumulation to rotate and is connected by pressure accumulation runner 751 between domatic 512, release Union joint 746 is derived with release to rotate and is connected by pressure release runner 752 between domatic 522；

Connecting bolt 771 matched in clearance runs through rotor center through hole 825, connecting bolt 771 two ends respectively with described supercharging lid Screw 774 and described decompression cover screw 775 connect fixing, exchanger urceolus 779 two ends and described trap water end cap 754 Be airtight fixing between inner face and pretreated water end cap 745 inner face, two ends of rotor face 924 respectively with described trap water The gap of 0.01 to 0.03 millimeter is had between end cap 754 inner face and pretreated water end cap 745 inner face；

Described boost in pressure union pump portion includes the union supercharging pump housing 730 and booster pump impeller 770, and with described mouse cage Water-cooled ventilated motor 710 composition one, the union supercharging pump housing 730 inner chamber has spiral case union outlet 744, the union supercharging pump housing Described supercharging union joint 743, the union supercharging pump housing 730 front end face is had to have booster pump suction inlet 731 respectively in 730 radial direction gabarits With overall fixing threaded hole 772, supercharging ring flange 773 having through hole corresponding with overall fixing threaded hole 772, trip bolt passes through increasing Through hole on pressure flange dish 773 coordinates with overall fixing threaded hole 772, and supercharging center round 732 is directed at booster pump suction inlet 731；

There is pump housing rear end face 200 on the union supercharging pump housing 730, pump housing rear end face 200 has shaft extension hand-hole 285 He respectively Motor fixing threaded hole 204, motor front cover plate 220 outer rim has front shroud flange 201, front shroud flange 201 has front shroud Through hole 207, has motor gasket seal 202, six motor flange spiral shells between front shroud flange 201 and pump housing rear end face 200 Nail 205 pass through successively after the sealing gasket through hole on front shroud through hole 207 and motor gasket seal 202 with motor fixing threaded hole 204 connect fastening；

Motor front cover plate 220 is fixed on motor fixing threaded hole 204, motor front cover plate 220 is fixed with protecgulum hollow Axle 280, protecgulum hollow axle 280 has hollow axle stepped hole 284 and outer bearing prop up and holds round 289, hollow axle stepped hole 284 and rotating shaft Organic sealing assembly 248 between overhanging section 246；

There are impeller bearing hub 290, protecgulum hollow axle 280 to pass through shaft extension hand-hole 285 on booster pump impeller 770 and are positioned at union In the supercharging pump housing 730 spiral case, outer bearing props up to hold round and is combined with no inner-ring bearing 260 on 289, and no inner-ring bearing 260 supports leaf Wheel bearing hub 290, rotating shaft passes through hollow axle stepped hole 284 for overhanging section 246, and rotating shaft delivers torque to booster pump for overhanging section 246 Impeller 770；

Described outer bearing props up and holds round the copper alloy hard wear-resistant coating that 289 surfaces have a layer thickness to be 0.61 millimeter；Copper alloy The material of hard wear-resistant coating is elementary composition by following percentage by weight: Cu:16%, Nb:3.5%, Mo:2.8%, W: 2.5%, Ni:2.4%, Ti:2.2%, C:1.2%, surplus is Fe and inevitable impurity；The percentage by weight of described impurity contains Amount is: Sn is 0.04%, Si is 0.17%, Mn is 0.024%, S is 0.009%, P is 0.014%；Copper alloy hard, wear-resistant is coated with The material Specifeca tion speeification of layer is: Rockwell hardness HRC value is 62；

The overall material of described no inner-ring bearing 260 is aluminium oxide ceramics, with Al₂O₃(aluminium sesquioxide) composite is Base material, is equipped with mineralizer MgO (magnesium oxide), BaCO₃(brium carbonate) and bonding clay form, and the weight percent of its each component It is Al than content₂O₃: 94.2%, MgO:1.35%, BaCO₃: 1.58%, remaining is bonding clay.

As improving further: in Fig. 2, Figure 20, Figure 21, Figure 22, Figure 23, Figure 24, Figure 25 and Figure 26, described mouse cage water Cold ventilated motor 710 includes motor casing 210, motor front cover plate 220, motor back shroud 230, motor rotary shaft 240, stator 251, rotor 252 and impeller bearing hub 290, on motor casing 210 outer wall, leaded window 250 and water inlet are taken Son 237 and water outlet lug 217, there is fixing threaded hole in the case nose face 281 of motor casing 210 and outer casing back face 283 288, stator 251 is fixed on motor casing 210 endoporus, rotor 252 be fixed at motor rotary shaft 240 maximum gauge and with Stator 251 position is corresponding, motor front cover plate 220 has front screw 221 be fixed on motor casing 210 front end face, electronic Fixed fore bearing 225 cylindrical, the fixed motor rotary shaft of fore bearing 225 endoporus on the Front Cover Bearing hole 224 of machine front shroud 220 The fore bearing section 245 of 240；Rear screw 231 is had to be fixed on motor casing 210 rear end face, motor on motor back shroud 230 Fixed rear bearing 235 cylindrical, the fixed motor rotary shaft of rear bearing 235 endoporus on the bonnet dead eye 234 of back shroud 230 The rear bearing section 243 of 240, there is main shaft end 233 rear bearing section 243 rear end, fixed electric motor fan blade on main shaft end 233 232, fan blade outer housing 212 is fixed on motor back shroud 230 cylindrical；Have cold between outer wall and the inwall of motor casing 210 But interlayer 222, cooling sandwith layer 222 gets around lead-in wire window 250 and arranges, cooling sandwith layer 222 circumference isolation two ends have respectively to be passed through into water Perforation 238 and water outlet through hole 218, have isolation bar 286 to separate between water inlet through hole 238 and water outlet through hole 218, shell The rear end fuisw rib 236 alternately mistake arranged inside the front end fuisw rib 226 arranged inside front end face 281 and outer casing back face 283 Position is arranged so that increases flow velocity in cooling sandwith layer 222, improves cooling effect；There is water outlet taper thread 219 on water outlet lug 217, go out Lead to water outlet through hole 218 bottom water taper thread 219, water inlet lug 237 has into water taper thread 239, intake at taper thread 239 end Portion leads to water inlet through hole 238；Motor front cover plate 220 is fixed with protecgulum hollow axle 280, protecgulum hollow axle 280 and impeller axle Hold and between hub 290, have a no inner-ring bearing 260.

As improving further: be free spindle flanges 807 on protecgulum hollow axle 280, have outer shaft outside hollow axle flange 807 Hold and hold round 289 and hollow axle through hole 804, inside hollow axle flange 807, have hollow axle stepped hole 284 and hollow axle regulation step 882, it is interference fits between hollow axle regulation step 882 cylindrical and Front Cover Bearing hole 224, hollow axle regulation step 882 has Sealing ring draw-in groove 809, sealing ring draw-in groove 809 has hollow axle sealing ring 209, hollow axle sealing ring 209 and Front Cover Bearing hole 224 Between constitute static seal；Have on motor casing 210 end face between motor sealing ring 208 and motor front cover plate 220 and constitute Static seal；Organic envelope dismounting groove 808 between hollow axle stepped hole 284 and hollow axle through hole 804, it is simple to specific purpose tool demountor seals Assembly 248.

As improving further: in Figure 27, Figure 28, Figure 29, Figure 30, Figure 31, Figure 32 and Figure 33, described vertical union is permanent Union head valve body 150, upper baffle 130, paired half-open cylinder 160, mobile spool 170, lower baffle is included to stream device 724 180 and the taper hole gland 140 of layout symmetrical above and below, the two ends up and down of described union head valve body 150 cylindrical have valve body by Nonyl external screw thread 155, there is the valve body of union back-up ring female adapter and union head valve body 150 cylindrical lower end moisturizing suction pipe 712 upper end Union external screw thread 155 matched seal fastens, and supplementing high-voltage tube 716 lower end also has union back-up ring female adapter and union head valve body The valve body union external screw thread 155 matched seal fastening of 150 cylindrical upper ends；

There are valve body union external screw thread 155, described union head valve body 150 in the two ends up and down of described union head valve body 150 cylindrical Interior round tube hole about 157 top bar respectively hole 153 and hole 158 of getting out of a predicament or an embarrassing situation, the described upper end, hole 153 and described of topping bar Get out of a predicament or an embarrassing situation lower end, hole 158 respectively have fastening inner bolt hole 154；Described upper baffle 130 planar ends is fixedly connected circle Cylinder 132, below upper cylinder 132, connection is reduced in transition runner round bar 134, and connection is amplified in runner round bar 134 transition circle Column valve bar 131, and described upper cylinder 132 excircle dimension is identical with described cylinder valve rod 131 excircle dimension, described is upper There are upper three plates 135 in location on baffle 130 exterior arc surface, position upper three plate 135 outer rims and described topping bar between hole 153 is It is slidably matched, the gland external screw thread 145 of described taper hole gland 140 above and described the tight of upper end, hole 153 of topping bar Gu inner bolt hole 154 combines, the gland inner face 143 of described taper hole gland 140 by three plates 135 on described location with described Union head valve body 150 fix；Described lower baffle 180 planar ends has lower water conservancy diversion unthreaded hole 189 inner circle and cylinder valve rod 131 For being slidably matched between cylindrical, between described lower water conservancy diversion unthreaded hole 189 bottom and cylinder valve rod 131 lower surface, there is fit-up gap 139；And have lower three plates 185 in location on described lower baffle 180 exterior arc surface, lower three plate 185 outer rims in location with described under For being slidably matched between stepped hole 158, it is positioned at the gland external screw thread 145 of taper hole gland 140 described in lower section and described leave from office The fastening inner bolt hole 154 of lower end, hole, rank 158 combines solid with described union head valve body 150 for lower for described location three plates 185 Determine to live；Have in SANYE between the upper taper cone barrel 173 of described mobile spool 170 with upper cone 172 and connect muscle 171 and be connected, institute Have under SANYE between the lower taper cone barrel 179 of the mobile spool 170 stated with lower cone 178 and connect muscle 177 and be connected, described upper circle For being slidably matched between the interior round tube hole 157 that cone cylinder 173 cylindrical is equal and equal and described with described lower taper cone barrel 179 cylindrical； For being slidably matched between inner circle 174 and described upper cylinder 132 cylindrical on the described spool on upper cone 172, described Mobile spool 170 on spool in inner circle 175 equivalently-sized with inner circle 176 under the spool on described lower cone 178 and For being slidably matched between equal and described cylinder valve rod 131 cylindrical；The described upper plenum sealing surface 163 on upper taper cone barrel 173 And between the lower cavities seals face 169 on described lower taper cone barrel 179, close fit is fixed with paired half-open cylinder 160, in pairs Half-open cylinder 160 cylindrical is less than or equal to described upper taper cone barrel 173 cylindrical, and paired half-open cylinder 160 cylindrical is less than or equal to Described lower taper cone barrel 179 cylindrical, split of described paired half-open cylinder 160 has half-open cylinder connecting hole 165.

As improving further: in Figure 34, Figure 35, Figure 36, Figure 37, Figure 38 and Figure 39, described horizontal union is permanent to stream Device 713 includes cylinder axis 610, rotation spool 620, the horizontal valve body of union 630, trip bolt 670 and outer end cap 690, described Valve body-side plane 636, valve body inletpiston hard layer 638 and valve outlet plane hard layer 639 is had on the horizontal valve body of union 630 And outlet elbow 631 and import bend pipe 632；There is bend pipe union joint 637 outlet elbow 631 outer end, goes out bend pipe union and connects It is connected sealing fastening by going out bend pipe union outer ring 643 between 637 with supplementary high-voltage tube 716 termination union screw thread；Import bend pipe 632 outer ends have into bend pipe union joint 635, enter between bend pipe union joint 635 and moisturizing suction pipe 712 termination union screw thread by entering Bend pipe union outer ring 634 connects sealing fastening；

Described import bend pipe 632 the inner is connected to valve body inletpiston hard layer 638, and described outlet elbow 631 is inner even Then valve outlet plane hard layer 639；Described valve body inletpiston hard layer 638 and valve outlet plane hard layer 639 Top edge be connected with valve body sector cancave cambered surface 663, described valve body inletpiston hard layer 638 and valve outlet plane are hard The lower limb of matter layer 639 is connected with valve body circle cancave cambered surface 662, and the valve body-side plane 636 of both sides is respectively arranged with screw hole 627；Two The end cap counterbore 697 corresponding with described screw hole 627 is had on the most described outer end cap 690；Described trip bolt 670 is worn Cross described end cap counterbore 697 to match, by the end cap inner plane of described outer end cap 690 with the fastening of described screw hole 627 698 are close to airtight with described valve body-side plane 636；

There is enclosing cover axis hole 691 on two described outer end caps 690, enclosing cover axis hole 691 has dead axle seal groove 659, dead axle Seal groove 659 guarantees that enclosing cover axis hole 691 seals with described cylinder axis 610 two ends and coordinates；

Described rotation spool 620 includes spool fan-shaped cylinder 625 and valve element circle body 682, and valve element circle body 682 has pipe Both ends of the surface 689 and valve element circle post holes 681, valve element circle post holes 681 coordinates with described cylinder axis 610 cylindrical rotary sliding, circle It it is matched in clearance between pipe both ends of the surface 689 and end cap inner plane 698；

Spool two sides 685, spool sector convex globoidal 683 and spool entrance point plane 628 and is had on spool fan-shaped cylinder 625 Cartridge outlet transverse plane 629, spool entrance point plane 628 has annular flow road junction 622 and inlet face seal groove 652, spool Circular flow channel mouth 621 and exit face seal groove 651 is had in port of export plane 629；

Deformation two panels runner 688 is had to be connected between described annular flow road junction 622 and described circular flow channel mouth 621；Described Deformation two panels runner 688 bend flow channel cone 624 part and the described spool fan-shaped cylinder 625 that are contained between have and be connected two Sheet muscle 644 is connected, single leaf thickness is circular flow channel mouth 621 diameter the 1/11 to 1/13 of described connection two panels muscle 644.

In embodiment:

One, hollow axle regulation step 882 cylindrical and outer bearing prop up and hold round the axiality pass between 289 with six grades of tolerance grades System；There is protecgulum concave station face 229 on motor front cover plate 220 lateral surface, protecgulum concave station face 229 has six protecgulum screws 227, empty There are six hollow axle stepped holes 805 corresponding with protecgulum screw 227 on spindle flanges 807；Hollow axle screw 228 passes through hollow axle Stepped hole 805 matches with protecgulum screw 227, is fixed on by protecgulum hollow axle 280 on protecgulum concave station face 229；Protecgulum concave station face There is between 229 and Front Cover Bearing hole 224 the perpendicularity relation of six grades of tolerance grades；Hollow axle on protecgulum hollow axle 280 is adjusted Joint step 882 the inner is stretched into Front Cover Bearing hole 224 and props up fore bearing 225；Protecgulum hollow axle 280 outer end and impeller bearing hub A no inner-ring bearing 260 is had between 290；

Described impeller bearing hub 290 inner end has impeller stepped hole 296, impeller stepped hole 296 to have impeller splined hole on bottom surface 294, impeller bearing hub 290 outer face has locking screw 297, impeller stepped hole 296 has stepped hole escape 293 and impeller Draw-in groove 298, in impeller draw-in groove 298, clearance fit has impeller bore snap ring 291, impeller stepped hole 296 base angle to be placed with on position Impeller adjusting ring 292, bearing outer ring 269 two ends against impeller bore snap ring 291 and impeller adjusting ring 292 respectively；

Described no inner-ring bearing 260 is made up of bearing outer ring 269 and cylinder needle roller 268, and bearing outer ring 269 cylindrical is fixed on In impeller stepped hole 296, cylinder needle roller 268 props up hold round between 289 at bearing outer ring 269 and described outer bearing；

Coordinate for the axially slidable of spline tooth circumferential engagement between impeller splined hole 294 with axle spline segment 249, axle spline segment There is axle head screw 247 on the outer face of 249, axle head screw 247 is combined with step backing-up screw 274, step backing-up screw 274 Limit the axial displacement of axial positioning retainer ring 270, axial positioning retainer ring 270 outer rim position is fixed on outside impeller splined hole 294 On transverse plane, then limit the impeller bearing hub 290 axial displacement relative to axle spline segment 249；Axially outside positioning retainer ring 270 Locking catch 271, locking catch 271 is had together with axial positioning retainer ring 270, to be fixed on impeller by back-up ring screw 277 on side On the outer transverse plane of splined hole 294；There are two parallel ribs 273 on the spiral shell brain of step backing-up screw 274, locking catch 271 has gear Sheet corner edges 272, catch corner edges 272 is close on any one flat limit on two parallel ribs 273.

Two, the assembling process of the mouse cage water-cooled ventilated motor 710 in the present invention and critical component is as follows:

(1), mouse cage water-cooled ventilated motor 710 assemble method

Stator 251 is fixed on motor casing 210 endoporus, rotor 252 is fixed at motor rotary shaft 240 maximum gauge And corresponding with stator 251 position, with eight front screws 221 pass through end cap casing through hole on motor front cover plate 220 275 with Casing end face screw on motor casing 210 front end face matches, and motor front cover plate 220 is fixed on motor casing On the front end face of 210, fixed fore bearing 225 cylindrical, fore bearing 225 on the Front Cover Bearing hole 224 of motor front cover plate 220 The fore bearing section 245 of the fixed motor rotary shaft of endoporus 240；With other eight front screws 221, motor back shroud 230 is fixed Fixed rear bearing 235 cylindrical on motor casing 210 rear end face, the bonnet dead eye 234 of motor back shroud 230, after The rear bearing section 243 of the fixed motor rotary shaft of bearing 235 endoporus 240, cable passes through and is positioned on motor back shroud 230 Lead-in wire window 250, is connected to external control power supply.

(2), union fitting passage Connection Step:

(1), supercharging union joint 743 connect, volute outlet is sealed sphere 797 with conversion high pressure sealing concave cone face 793 align, To change high pressure union external screw thread 792 and outer ring female thread 798 rotatable engagement, outer ring step surface 794 extrudes volute outlet union Back-up ring 796, forces volute outlet to seal between sphere 797 and conversion high pressure sealing concave cone face 793 and produces crush seal so that turn Change composition standstill seal between high-voltage tube 717 and spiral case union outlet 744 to fix；

(2) as supercharging union joint 743 connected mode, respectively by release union joint 746, low pressure union joint 747 and Pressure accumulation union joint 749 carries out union with the pipeline of its both sides, position and is connected so that drain line 726 and pressure release runner 752 connection between constitute standstill seal fix, low pressure line 723 connect with low pressure runner 742 between composition standstill seal fix, Film return duct 727 constitutes standstill seal between connecting with pressure accumulation runner 751 to be fixed；

(3), critical component number of assembling steps:

(1) protecgulum hollow axle 280 is installed:

Hollow axle on protecgulum hollow axle 280 is regulated step 882 near with the Front Cover Bearing hole 224 on motor front cover plate 220 Interference fits at outer end, and pass through the hollow axle stepped hole 805 on protecgulum hollow axle 280 and motor with hollow axle screw 228 Protecgulum screw 227 on front shroud 220 matches, by the hollow axle flange 807 on protecgulum hollow axle 280 and motor front cover plate Protecgulum concave station face 229 on 220 is close to fix so that the hollow axle stepped hole 284 on protecgulum hollow axle 280 and motor rotary shaft There is between overhanging section of 246 outlines of the rotating shaft of 240 high accuracy axiality and fix machine sealing assembly 248.Meanwhile, protecgulum hollow axle The rotation of 1.115 millimeters is had between hollow axle through hole 804 and overhanging section of 246 outlines of the rotating shaft of motor rotary shaft 240 on 280 Space.

(2) no inner-ring bearing 260 is installed:

Set especially: no inner-ring bearing 260 uses RNA type separate type no inner-ring bearing structure.

First put among impeller stepped hole 296 and cross stepped hole escape 293 by impeller adjusting ring 292 matched in clearance to paste On bearing hub bore bottom surface 295；Again the slight interference fit of bearing outer ring 269 on no inner-ring bearing 260 is pressed into impeller bearing Among impeller stepped hole 296 on hub 290, then impeller bore snap ring 291 specific purpose tool is put into impeller draw-in groove 298, make Obtain bearing outer ring 269 both sides and against impeller bore snap ring 291 and impeller adjusting ring 292 respectively.

(3) connection between impeller bearing hub 290 and motor rotary shaft 240:

The bearing outer ring 269 being fixed on impeller bearing hub 290 is inserted in together with cylinder needle roller 268 and is fixed on outer bearing and props up Hold round 289 last points, rotate booster pump impeller 770 so that the impeller splined hole 294 on impeller bearing hub 290 and motor Axle spline segment 249 alignment in rotating shaft 240 matches, and continues to push against impeller bearing hub 290 so that the circle on bearing outer ring 269 Post needle roller 268 is overall to be propped up with outer bearing and holds round 289 and match completely；

First take step backing-up screw 274 pass through after axial positioning retainer ring 270 centre bore with the axle head spiral shell on motor rotary shaft 240 Match in hole 247 so that the axially positioning retainer ring 270 two parallel ribs 273 and axle spline segments on step backing-up screw 274 One millimeter of axially free amount is had between 249 outer faces；

Again with five back-up ring screws 277 pass through after the positioning retainer ring through hole on axial positioning retainer ring 270 with on impeller bearing hub 290 Locking screw 297 match, axial positioning retainer ring 270 is also fastened on impeller bearing hub 290 outer face；

Finally pass through the through hole on locking catch 271 and the location on axial positioning retainer ring 270 successively with a back-up ring screw 277 Also match with the locking screw 297 on impeller bearing hub 290 after back-up ring through hole so that the catch turning on locking catch 271 Limit 272 is directed on any one flat limit on two parallel ribs 273, plays locking effect.

Three, union pressure-exchange machine workflow:

In Fig. 8 to Figure 19, exchanger rotor 740 uses and arranges pressure-exchange passage A-M on rotation round R position, respectively It is: passage A, passage B, channel C, passage D, passage E, passage F, passage G, passage H, passage J, passage K, passage L, passage M, Isolation gusset 262 is had to make to isolate between two adjacent passages；Import rotation domatic 922 by low pressure and pressure accumulation imports Rotation Slope Face 512 and the forward slanted angle of exchanger rotor 740 end face, and rotation domatic 912 is derived in supercharging and release is derived and rotated Domatic 522 with the reversed dip angle of exchanger rotor 740 end face, just can allow and union pressure-exchange machine part is uniquely moved Part exchanger rotor 740 rotates freely, and exchanger rotor 740 rotates with per second 20, completes flowing in pressure-exchange passage A-M Direction switches, it is achieved pressure-exchange.

When the pre-treating seawater in pressure-exchange passage A-M is respectively at and low pressure runner together with the pressure accumulation sea water that dams 742 and during pressure release runner 752 same position, the pre-treating seawater of 0.2 MPa (MPa) pushes the pressure accumulation sea water that dams of atmospheric pressure Flow downwardly among pressure release runner 752；

When the pre-treating seawater in pressure-exchange passage A-M be respectively at together with the pressure accumulation sea water that dams with supercharging runner 741 and During pressure accumulation runner 751 same position, the pressure accumulation sea water that dams of 5.8 MPas (MPa) pushes pre-treating seawater, is injected up in supercharging Heart round 732；The pre-treating seawater being possessed 5.8 MPas (MPa) by exchange pressure is pressurized impeller of pump by booster pump suction inlet 731 770 suctions by centrifugation power are pressurized to 6.0 MPas (MPa) and flow through spiral case union outlet 744 and supercharging union joint 743 successively, Finally it is incorporated to high pressure sea water inlet pipe 719.

Four, reverse osmosis seawater desalting work process:

Low pressure suction pipe 711 and moisturizing suction pipe 712 are inserted into below pretreatment pool water surface 721 20 centimetres, start high pressure and supplement Pump 714, is drawn the pre-treating seawater in sea water preprocessing pond 703 by moisturizing suction pipe 712, successively through supplementing high-voltage tube 716, pipeline After threeway 769 and high pressure sea water inlet pipe 719, it is injected among film intake antrum 718 and directly participates in permeable membrane desalinization；

When the pressure of the pre-treating seawater in film intake antrum 718 reaches 6.0 MPas (MPa), the wherein pressure accumulation sea water that dams of 80% Being dammed by reverse osmosis membrane 720, wherein the process fresh water of 20% penetrates reverse osmosis membrane 720, enters among film water chamber 728, through desalination Water goes out pipe 729 and is transported to the stand-by region of fresh water deposit；

Fail to pass through reverse osmosis membrane 720 80% the pressure accumulation sea water that dams through film return duct 727, entered by pressure accumulation union joint 749 Enter to pressure accumulation runner 751 position, participate in the pressure accumulation sea water that dams of lower half among pressure-exchange passage A-M and experience in wave Rise and decline, rotating to pressure release runner 752 position along with exchanger rotor 740 after pressure release, flow through release union joint 746, from Drain line 726 emits or delivers to downstream processes；

Meanwhile, start low pressure lift pump 722, low pressure suction pipe 711 draw the pretreatment sea in sea water preprocessing pond 703 Water, successively after low pressure line 723 and low pressure union joint 747, is injected into low pressure runner 742 position, participates in pressure-exchange Among passage A-M, the pre-treating seawater experience wave raising and lowering of the first half, rotates along with exchanger rotor 740 after supercharging To supercharging runner 741 position, flow through supercharging union joint 743 and pipeline threeway 769 successively, after being incorporated to high pressure sea water inlet pipe 719, It is injected among film intake antrum 718 and directly participates in permeable membrane desalinization.

Owing to exchanger rotor 740 rotates with per second 20, the pre-treating seawater among pressure-exchange passage A-M with dam Between pressure accumulation sea water, contact surface can produce blending, learns that blending amount only accounts for participation reverse osmosis membrane 720 amount of work 1% after tested.Increase Manage blue pressure-exchange and promote pump, the pressure accumulation sea water that dams of fail to pass through reverse osmosis membrane 720 80% is obtained efficient recovery profit With, reach the effect of energy-saving and emission-reduction.

Five, the above-mentioned prominent substantive distinguishing features of the present invention, it is ensured that can bring the most progressive following effect:

1, the present invention use union attachment structure dismounting, easy to maintenance, particularly set up flange pressure-exchange promote pump, pressure Promote the booster pump suction inlet 731 on flange pump portion the most right with the supercharging center round 732 in union pressure-exchange machine part Standard, not only compact conformation, and, low pressure lift pump 722 only needs to account for the pretreatment participating in reverse osmosis membrane 720 amount of work 80% The pressure of sea water brings up to 0.2 MPa (MPa), so that it may complete have being dammed of 5.8 MPas (MPa) in film return duct 727 Pressure accumulation sea water realizes pressure-exchange, it is ensured that mouse cage water-cooled ventilated motor 710 only needs the pre-treating seawater by accounting for amount of work 80% Pressure bring up to 6.0 MPas (MPa) from 5.8 MPas (MPa) again；Account for the pretreatment participating in reverse osmosis membrane 720 amount of work 80% Pressure differential during the segmentation of sea water improves only has 0.46 MPa (MPa), and energy-saving effect is obvious；

The acquisition fresh water penetrating reverse osmosis membrane 720 accounts for participation reverse osmosis membrane 720 amount of work 20%, accounts for participation reverse osmosis membrane 720 total The pre-treating seawater of workload 20%, through high pressure make-up pump 714, directly brings up to 6.0 MPas (MPa) from atmospheric pressure；Obviously, increase Manage the reverse osmosis membrane Seawater Desalination Project that blue pressure-exchange promotes pump and the reverse osmosis not having flange pressure exchange to promote pump Permeable membrane Seawater Desalination Project compares, and the energy consumption obtaining unit fresh water reduces about 30%.

2, having impeller stepped hole 296 and impeller splined hole 294 on booster pump impeller 770, there is axle overhanging section of 246 outer ends of rotating shaft Spline segment 249, protecgulum hollow axle 280 passes through shaft extension hand-hole 285 and is positioned at the union supercharging pump housing 730 spiral case, outer bearing Propping up to hold round and be combined with no inner-ring bearing 260 on 289, no inner-ring bearing 260 supports impeller bearing hub 290, rotating shaft overhanging section 246 Passing through hollow axle stepped hole 284, axle spline segment 249 and impeller splined hole 294 engage each other overhanging for rotating shaft section of 246 moment of torsion transmission To booster pump impeller 770；Said structure achieves motor rotary shaft 240 and fore bearing 225 and rear bearing 235 is only subjected to pure Moment of torsion, and radial force produced by spline engagement is born by no inner-ring bearing 260 completely, is only operated at protecgulum hollow axle On 280, it is entirely avoided the rotating shaft on motor rotary shaft 240 bears radial force for overhanging section 246, improve the air-cooled electricity of mouse cage water-cooled Motivation 710 service life；

Union pressure-exchange machine part controls without elements such as the driving of any external electrical equipment and switch valves, imports rotation by low pressure Turn domatic 922 and pressure accumulation import rotate domatic 512 with the forward slanted angle of exchanger rotor 740, and supercharging derives and rotates Domatic 912 and pressure accumulation import rotate domatic 512 with the reversed dip angle of exchanger rotor 740, just can allow union pressure-exchange In machine part, unique movement parts exchanger rotor 740 rotates freely, completes flow direction switching in pressure-exchange passage A-M, Realize pressure-exchange, it is to avoid the contingency that employing any electrical equipment control may cause occurs.

3, horizontal union it is in series with between low pressure line 723 and low pressure suction pipe 711 permanent to flowing device 713, this special setting, Guarantee that the high pressure sea water supplementing 6 MPas (MPa) in high-voltage tube 716 will not produce reverse counterflow, operate safe and reliable.Level by It is sensitive that the permanent rotation spool 620 in stream device 713 of nonyl possesses rotation, has change between annular flow road junction 622 and circular flow channel mouth 621 Shape two panels runner 688 is connected this special setting so that horizontal union is permanent does not has spring-like in stream device 713 global facility Etc. any obstruction part, can be achieved with permanent to flowing function, completely eliminate and send out because moisturizing suction pipe 712 glitch affects the present invention The hidden danger of raw fault.

4, vertical union it is in series with between high pressure make-up pump 714 import and moisturizing suction pipe 712 permanent to stream device 724, this spy Different setting, it is ensured that the high pressure sea water supplementing 6 MPas (MPa) in high-voltage tube 716 will not produce reverse counterflow, and operation safety can Lean on.The permanent ring cavity 166 in stream device 724 of vertical union is arranged so that it is permanent to stream that mobile spool 170 is suspended in vertical union Within device 724, mobile spool 170 integrated suspension structure is allowed to be possessed unlatching, closes agility；Make vertical union permanent to stream device 724 global facilities do not have any obstruction parts such as spring-like, can be achieved with permanent to flowing function, completely eliminate because of moisturizing Pipeline fittings fault on suction pipe 712 affects the hidden danger that the present invention normally works.

5, having cooling sandwith layer 222 between outer wall and the inwall of motor casing 210, cooling sandwith layer gets around lead-in wire window 250 Arranging, cooling sandwith layer 222 circumference isolation two ends have into water through hole 238 and water outlet through hole 218 respectively, through hole 238 of intaking And between water outlet through hole 218, having isolation bar 286 to separate, the front end fuisw rib 226 arranged inside case nose face 281 is with outer Rear end fuisw rib 236 dislocation arranged inside shell rear end face 283 is arranged so that increases flow velocity in cooling sandwith layer 222, improves cooling Effect.

6, the outer bearing of copper alloy hard wear-resistant coating props up and holds round 289 surfaces, the no inner-ring bearing of combined aluminum oxide pottery 260, corrosion resistance and wearability are all eager to excel more than 20% than conventional stainless steel material.

Claims (1)

1. application mouse cage ventilated motor aluminium oxide ceramics union machine extracts fresh water method, and this machine includes sea water preprocessing pond (703), low pressure suction pipe (711), low pressure lift pump (722), moisturizing suction pipe (712), high pressure make-up pump (714), pipeline threeway (769), reverse osmosis membrane (720) and union pressure-exchange promote pump, reverse osmosis membrane (720) both sides are respectively film intake antrum (718) and film water chamber (728), union pressure-exchange promotes has supercharging union joint (743), release union joint on pump (746), low pressure union joint (747) and pressure accumulation union joint (749), pressure accumulation union joint (749) and film intake antrum (718) it Between by film return duct (727) connect, film water chamber (728) be connected to desalination water go out pipe (729), film intake antrum (718) and pipeline Connected by high pressure sea water inlet pipe (719) between threeway (769) is suitable for reading, supercharging union joint (743) and pipeline threeway (769) side port Between connected by conversion high-voltage tube (717), supplement high-voltage tube (716) two ends respectively with pipeline threeway (769) end opening and vertical Union is permanent to stream device (724) outlet airtight connection, and high pressure make-up pump (714) is connected on supplementary high-voltage tube (716)；Low pressure line (723) two ends are permanent with low pressure union joint (747) and horizontal union to stream device (713) outlet airtight connection respectively, and low pressure carries Rising pump (722) to be connected on low pressure line (723), release union joint (746) is connected to drain line (726)；

Described supercharging union joint (743) includes volute outlet union back-up ring (796) and conversion high pressure union external screw thread (792) And spiral case union outer ring (795), volute outlet union back-up ring (796) there is volute outlet seal sphere (797), change high pressure There is conversion high pressure sealing concave cone face (793) on union external screw thread (792), there is outer ring step surface spiral case union outer ring (795) (794) and outer ring female thread (798), outer ring step surface (794) limits volute outlet union back-up ring (796), outer ring female thread (798) with conversion high pressure union external screw thread (792) coordinates volute outlet is sealed sphere (797) with change high pressure sealing concave cone face (793) hard sealing is constituted between；

Horizontal union it is in series with permanent to stream device between described low pressure lift pump (722) import and described low pressure suction pipe (711) (713) vertical union it is in series with between, described high pressure make-up pump (714) import and described moisturizing suction pipe (712) permanent to stream Device (724), described union pressure-exchange promotes pump by boost in pressure union pump portion and union pressure-exchange machine part institute Composition, boost in pressure union pump is driven by mouse cage water-cooled ventilated motor (710)；Described mouse cage water-cooled ventilated motor (710) the overall material of the no inner-ring bearing (260) in is aluminium oxide ceramics, as improvement:

Described mouse cage water-cooled ventilated motor (710) assemble method and union fitting passage Connection Step and union pressure are handed over Workflow of changing planes and reverse osmosis seawater desalting work process are as follows:

(1), mouse cage water-cooled ventilated motor (710) assemble method:

Stator (251) is fixed on motor casing (210) endoporus, rotor (252) is fixed on motor rotary shaft (240) At major diameter and corresponding with stator (251) position, pass through the end on motor front cover plate (220) with eight front screws (221) Lid casing through hole (275) matches, by motor front cover plate with the casing end face screw on motor casing (210) front end face (220) being fixed on the front end face of motor casing (210), the Front Cover Bearing hole (224) of motor front cover plate (220) is upper solid Determine fore bearing (225) cylindrical, the fore bearing section (245) of the fixed motor rotary shaft of fore bearing (225) endoporus (240)；With separately Motor back shroud (230) is fixed on motor casing (210) rear end face, motor back shroud by outer eight front screws (221) (230) upper fixed rear bearing (235) cylindrical of bonnet dead eye (234), the fixed motor rotary shaft of rear bearing (235) endoporus (240) rear bearing section (243), cable passes through the lead-in wire window (250) being positioned on motor back shroud (230), is connected to External control power supply；

(2), union fitting passage Connection Step:

(1), supercharging union joint (743) connect, volute outlet is sealed sphere (797) with conversion high pressure sealing concave cone face (793) alignment, will conversion high pressure union external screw thread (792) and outer ring female thread (798) rotatable engagement, outer ring step surface (794) Extruding volute outlet union back-up ring (796), forces volute outlet to seal sphere (797) and conversion high pressure sealing concave cone face (793) Between produce crush seal so that conversion high-voltage tube (717) with spiral case union outlet (744) between composition standstill seal fix；

(2) as supercharging union joint (743) connected mode, respectively by release union joint (746), low pressure union joint (747) carry out union with the pipeline of its both sides, position be connected with pressure accumulation union joint (749) so that drain line (726) Constitute between standstill seal is fixed, low pressure line (723) connects with low pressure runner (742) between connecting with pressure release runner (752) Composition standstill seal is fixed, film return duct (727) constitutes standstill seal between connecting with pressure accumulation runner (751) and fixes；

(3), union pressure-exchange machine workflow:

Exchanger rotor (740) uses and arranges pressure-exchange passage A-M on rotation round R position, respectively: passage A, logical Road B, channel C, passage D, passage E, passage F, passage G, passage H, passage J, passage K, passage L, passage M, adjacent two are led to Isolation gusset (262) is had to make to isolate between road；Import by low pressure and rotate domatic (922) and pressure accumulation importing rotation domatic (512) With the forward slanted angle of exchanger rotor (740) end face, and supercharging derive rotate domatic (912) and release derivation Rotation Slope The reversed dip angle of face (522) and exchanger rotor (740) end face, just can allow and uniquely transport in union pressure-exchange machine part Moving part exchanger rotor (740) rotates freely, and exchanger rotor (740) rotates with per second 20, completes pressure-exchange passage A-M Interior flow direction switches, it is achieved pressure-exchange；

When the pre-treating seawater in pressure-exchange passage A-M is respectively at and low pressure runner (742) together with the pressure accumulation sea water that dams During with pressure release runner (752) same position, the pre-treating seawater of 0.2 MPa (MPa) pushes the pressure accumulation sea water that dams of atmospheric pressure Flow downwardly among pressure release runner (752)；

When the pre-treating seawater in pressure-exchange passage A-M is respectively at and supercharging runner (741) together with the pressure accumulation sea water that dams During with pressure accumulation runner (751) same position, the pressure accumulation sea water that dams of 5.8 MPas (MPa) pushes pre-treating seawater, is injected up increasing Pressure center round (732)；The pre-treating seawater being possessed 5.8 MPas (MPa) by exchange pressure is pressurized by booster pump suction inlet (731) Impeller of pump (770) suck and by centrifugation power be pressurized to 6.0 MPas (MPa) flow through successively spiral case union export (744) and supercharging by Nonyl joint (743), is finally incorporated to high pressure sea water inlet pipe (719)；

(4), reverse osmosis seawater desalting work process:

Low pressure suction pipe (711) and moisturizing suction pipe (712) are inserted into 19 21 centimetres, pretreatment pool water surface (721) lower section, open Dynamic high-pressure make-up pump (714), is drawn the pre-treating seawater in sea water preprocessing pond (703) by moisturizing suction pipe (712), successively through mending After filling high-voltage tube (716), pipeline threeway (769) and high pressure sea water inlet pipe (719), it is injected among film intake antrum (718) direct Participate in permeable membrane desalinization；

When the pressure of the pre-treating seawater in film intake antrum (718) reaches 6.0 MPas (MPa), the wherein pressure accumulation sea of damming of 80% Water is dammed by reverse osmosis membrane (720), and wherein the process fresh water of 20% penetrates reverse osmosis membrane (720), enter film water chamber (728) it In, go out pipe (729) through desalination water and be transported to the stand-by region of fresh water deposit；

Fail to pass through reverse osmosis membrane (720) 80% the pressure accumulation sea water that dams through film return duct (727), by pressure accumulation union joint (749) enter into pressure accumulation runner (751) position, participate in the pressure accumulation sea water warp that dams of lower half among pressure-exchange passage A-M Go through wave raising and lowering, rotate to pressure release runner (752) position along with exchanger rotor (740) after pressure release, flow through release Union joint (746), emits from drain line (726) or delivers to downstream processes；

Meanwhile, start low pressure lift pump (722), by low pressure suction pipe (711) draw in sea water preprocessing pond (703) pre- Reason sea water, successively after low pressure line (723) and low pressure union joint (747), is injected into low pressure runner (742) position, participates in The pre-treating seawater experience wave raising and lowering of the first half among pressure-exchange passage A-M, along with exchanger after supercharging Rotor (740) rotates to supercharging runner (741) position, flows through supercharging union joint (743) and pipeline threeway (769) successively, and After entering high pressure sea water inlet pipe (719), it is injected among film intake antrum (718) and directly participates in permeable membrane desalinization.