CN106186198A - Application mouse cage ventilated motor aluminium alloy union manufactures machine and extracts islands and reefs fresh water method - Google Patents

Abstract

The invention belongs to apply machine to extract islands and reefs fresh water method, application mouse cage ventilated motor aluminium alloy union manufactures machine and extracts islands and reefs fresh water method, including sea water preprocessing pond, pre-treating seawater suction pipe, start suction pipe, high voltage startup pump, pipeline threeway, reverse osmosis membrane and union pressure-exchange supercharging pump, as improvement: mouse cage water-cooled ventilated motor assembles and union fitting passage connects and critical component number of assembling steps is as follows: (one), mouse cage water-cooled ventilated motor assembles, (2), union fitting passage connects: (1), supercharging union joint connects；(2), respectively release union joint, suction inlet union joint and pressure accumulation union joint are carried out union with the pipeline of its both sides, position and are connected, (three), critical component number of assembling steps: (1), protecgulum axle spacer are installed, (2), final stage bearing outer ring is installed；Using union attachment structure, can be competent at distortion pipeline and seal fixing, particularly set up union pressure-exchange supercharging pump, energy-saving effect is obvious.

Description

Application mouse cage ventilated motor aluminium alloy union manufactures machine and extracts islands and reefs fresh water method

Technical field

The invention belongs to apply machine to extract islands and reefs fresh water method, be specifically related in reverse osmosis seawater desalination system set up pressure Power exchange promotes the application mouse cage ventilated motor aluminium alloy union of pump and manufactures machine extraction islands and reefs fresh water method.

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 widespread, the energy consumption cost of desalinization is by special concern.Desalinization in early days uses the way of distillation, such as multistage flash evaporation skill Art, 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 used heat available Area.20 century 70 Reverse-osmosis Seawater Desalination Technologies put into application, through updating.Built up before the beginning of the eighties Process energy consumption 6.0kWh/m3 of most reverse osmosis seawater desalination systems, its topmost improvement is the high pressure brine after processing The Energy Efficient of pipe 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.

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 application machine extracts islands and reefs fresh water method, joins Having union pressure-exchange supercharging pump, pressure-exchange efficiency can be made to improve, system structure is compacter, also eliminates switching valve Doors etc. control element, be finally reached and investment and daily management maintenance cost are greatly reduced.By the following technical solutions:

Application mouse cage ventilated motor aluminium alloy union manufactures machine and extracts islands and reefs fresh water method, including sea water preprocessing pond, in advance Process sea water suction pipe, start suction pipe, high voltage startup pump, pipeline threeway, reverse osmosis membrane and union pressure-exchange supercharging pump, instead Permeable membrane both sides are respectively film intake antrum and film water chamber, and union pressure-exchange supercharging pump has supercharging union joint, release Union joint, suction inlet union joint and pressure accumulation union joint, be connected by film return duct between pressure accumulation union joint and film intake antrum, Film water chamber be connected to desalination water go out pipe, be connected by high pressure sea water inlet pipe between film intake antrum is suitable for reading with pipeline threeway, supercharging by Between nonyl joint mouth right with pipeline threeway by conversion high-voltage tube is connected, startup high-voltage tube two ends respectively with pipeline threeway end opening and Vertical union is permanent to stream device outlet airtight connection, and high voltage startup series connection of pumps is starting on high-voltage tube；Suction inlet pipeline two ends respectively with Suction inlet union joint and horizontal union are permanent to stream device outlet airtight connection, and release union joint is connected to drain line；

Motor flange screw is fixed with motor after passing through the sealing gasket through hole on front shroud through hole and motor gasket seal Screw connects fastening, is fixed on pump housing rear end face by mouse cage water-cooled ventilated motor；

For interference fits between stepped hole and dividing plate are topped bar in primary shell, play positioning action；Exchange chassis cavity circle with every Plate is interference fits between getting out of a predicament or an embarrassing situation, and plays positioning action；Switch union female thread coordinates with primary union external screw thread, exchange Casing union back-up ring end face extrudes exchange pump together with primary union flange and accepts ring composition switch pump seal；Primary screw Pass through primary flange hole to coordinate with middle prime step screw, be fixed together prime pump case is airtight primary pump case and centre； Made to be connected by release union joint between pressure relief vent with film return duct；It is spline tooth between machine spline slotted eye and spline shaft The axially slidable cooperation of circumferential engagement；

As improvement: described mouse cage water-cooled ventilated motor assembles and union fitting passage connects and critical component assembles step Rapid as follows:

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

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 rotating shaft fore bearing section of the fixed motor rotary shaft of fore bearing endoporus；Before other eight Motor back shroud is fixed on motor casing rear end face, fixed rear axle on the bonnet dead eye of motor back shroud by screw Holding cylindrical, the rotating shaft rear bearing section of the fixed motor rotary shaft of rear bearing endoporus, cable passes through and is positioned on motor back shroud Lead-in wire window, may be connected to external control power supply；

(2), union fitting passage connects:

(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, suction inlet union joint and pressure accumulation union Joint carries out union with the pipeline of its both sides, position and is connected so that connects between drain line with pressure relief vent and constitutes and unloads Pressure union joint sealing is fixed connection, is connected and constitute suction inlet union joint sealing and fix between suction inlet pipeline and pump sea water suction inlet Connect, connect between film return duct and pressure accumulation import and constitute that pressure accumulation union joint sealing is fixing is connected；

(3), critical component number of assembling steps:

(1), protecgulum axle spacer is installed

Axle spacer on protecgulum axle spacer regulates transition at step and the nearly outer end, Front Cover Bearing hole on motor front cover plate join Close, and the axle spacer fixing hole passed through on protecgulum axle spacer with axle spacer screw matches with the protecgulum screw on motor front cover plate Close, be close to fix with the protecgulum concave station face on motor front cover plate by the axle spacer flange on protecgulum axle spacer so that protecgulum axle There is between axle spacer stepped hole and rotating shaft fore bearing section outline on spacer high accuracy axiality and fix machine sealing assembly；With Time, there are 1.1 1.3 millimeters between axle spacer through hole and the rotating shaft fore bearing section outline of motor rotary shaft on protecgulum axle spacer Rotational clearance；

(2), final stage bearing outer ring is installed

Final stage no inner-ring bearing selects RNA type separate type no inner-ring bearing, final stage is first taken turns adjusting ring matched in clearance and puts into final stage Among final stage hub stepped hole on impeller boss and cross stepped hole escape and be attached on final stage hub bore bottom surface；Again by final stage without inner ring Among the final stage hub stepped hole on final stage bearing outer ring interference fit press-in impeller hub on bearing, then by pumping holes jump ring Put into hub axle with specific purpose tool and hold draw-in groove so that final stage bearing outer ring both ends of the surface against pumping holes jump ring and final stage rotation respectively Pitch circle.

As improving further: be the axial of spline tooth circumferential engagement between middle rear class spline slotted eye and spline shaft Slidably coordinate；Rear class rotary gap in the middle of constituting between step cone convex cone face after middle rear class intracavity concave cone wall and centre, middle Rear class rotary gap limits this grade of liquid countercurrent；Middle rear class intracavity circle coordinates with final stage step surface, and final stage screw passes through centre Rear class flange hole coordinates with final stage step screw, is fixed together airtight with final stage pump case for centre rear class pump case；

Coordinate for the axially slidable of spline tooth circumferential engagement between middle prime spline slotted eye and spline shaft；Middle prime Prime rotary gap in the middle of constituting between step cone convex cone face before intracavity concave cone wall and centre, middle prime rotary gap limits this level Liquid countercurrent；Middle prime intracavity circle coordinates with middle rear class step, middle rear class screw pass through centre prime flange hole and in Between rear class step screw coordinate, by centre prime pump case, rear class pump case is airtight is fixed together with centre.

Beneficial effects of the present invention:

1, the present invention uses union attachment structure, can be competent at distortion pipeline and seal fixing, particularly set up union pressure-exchange and increase Press pump, uses spline shaft that impeller behind backing pump impeller, middle front impeller, centre and final pumps impeller serial are synchronized rotation It is also Tong Bu by spline shaft series connection for turning between the level Four booster body of supercharging, and this level Four booster body with switch impeller Rotation realizes pressure energy and changes, not only compact conformation, and, account for the pressure accumulation sea of damming participating in reverse osmosis membrane amount of work 80% Water energy participates in impeller and final pumps impeller synchronous rotary behind process auxiliary drive backing pump impeller, middle front impeller, centre, reduces Mouse cage water-cooled ventilated motor operating load reaches more than 30%, and energy-saving effect is obvious；

2, having final stage hub stepped hole and final stage spline slotted eye on final pumps impeller, rotating shaft fore bearing section is ined succession described spline drived Axle, protecgulum axle spacer passes through shaft extension hand-hole and is positioned at final stage pump case spiral case, pump bearing prop up hold round be combined with final stage without Inner-ring bearing, final stage no inner-ring bearing supports impeller hub, and spline shaft passes through axle spacer stepped hole, spline shaft Engage each other with final stage spline slotted eye and motor rotary shaft moment of torsion is passed to final pumps impeller；Said structure achieves motor and turns Axle and fore bearing and rear bearing are only subjected to pure torsion, and radial force produced by spline engagement completely by final stage without inner ring axle Born, be only operated on protecgulum axle spacer, it is entirely avoided motor rotary shaft bears radial force, improve mouse cage water-cooled Ventilated motor service life.

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.

4, the pump bearing of aluminum alloy hard wear-resistant coating supports circular surfaces, combines the primary bearing roller of zirconia ceramics, Corrosion resistance and wearability are all eager to excel more than 20% than conventional stainless steel material.

Accompanying drawing explanation

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

Fig. 2 is the profile of the union pressure-exchange supercharging pump in Fig. 1.

Fig. 3 is the mouse cage water-cooled ventilated motor 710 in Fig. 2 and final stage pump case 730 cut-away section enlarged drawing.

Fig. 4 is the middle rear class pump case 300 cut-away section enlarged drawing in Fig. 2.

Fig. 5 is the middle prime pump case 400 cut-away section enlarged drawing in Fig. 2.

Fig. 6 is the pressure-exchange union casing 350 in Fig. 2 and primary pump case 800 cut-away section enlarged drawing.

Fig. 7 is the profile of the switch union outer ring 357 in Fig. 6.

Fig. 8 is the switch bearing 380 in Fig. 6 and the profile at primary bearing roller 880 position.

Fig. 9 is the profile at final stage no inner-ring bearing 760 position in Fig. 3.

Figure 10 is protecgulum axle spacer 280 profile in Fig. 3.

Figure 11 is final pumps impeller 770 profile in Fig. 3.

Figure 12 is backing pump impeller 308 profile in Fig. 6.

Figure 13 is pump dividing plate 333 profile in Fig. 6.

Figure 14 is machine impeller boss 890 enlarged cross-sectional view in Fig. 6.

Figure 15 is position upward view residing for the step backing-up screw 274 in Fig. 6.

Figure 16 is that the motor front cover plate 220 in Fig. 3 individually rotates enlarged drawing.

Figure 17 is the independent enlarged drawing of motor casing 210 in Fig. 3.

Figure 18 is Figure 17 side view.

Figure 19 is the expanded view in Figure 17 along cooling sandwith layer 222 center line.

Figure 20 is the permanent profile (forward circulation status) crossing axial line to stream device 713 of vertical union.

Figure 21 is that in Figure 20, vertical union is permanent is in reverse blocking state to stream device 713.

Figure 22 is the mobile spool sectional axonometric drawing in Figure 20 or Figure 21.

Figure 23 is the mobile spool profile in Figure 20 or Figure 21.

Figure 24 is X X sectional view in Figure 20.

Figure 25 is Y Y sectional view in Figure 20.

Figure 26 is Z Z sectional view in Figure 20.

Figure 27 is the permanent profile forward circulation status crossing axial line to stream device 722 of the horizontal union in Fig. 1.

Figure 28 is that the horizontal union in Figure 27 is permanent is in reverse blocking state to stream device 722.

Figure 29 is W-W sectional view in Figure 27.

Figure 30 is union valve body 630 axonometric chart in Figure 27 or Figure 28.

Figure 31 is that rotation spool 620 axonometric chart in Figure 27 represents annular flow road junction 622.

Figure 32 is that rotation spool 620 axonometric chart in Figure 28 represents circular flow channel mouth 621.

Figure 33 is the profile at supercharging union joint 743 position in Fig. 1.

Figure 34 is that the spiral case union in Figure 33 exports 744 parts.

Figure 35 is spiral case union outer ring 795 part in Figure 33.

Figure 36 is conversion high-voltage tube 717 part in Figure 33.

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, Fig. 9, Figure 20, Figure 27, Figure 33, Figure 34, Figure 35 and Figure 36, application Mouse cage ventilated motor aluminium alloy union manufactures machine and extracts islands and reefs fresh water method, including sea water preprocessing pond 310, pretreatment sea Water absorption tube 721, startup suction pipe 712, high voltage startup pump 714, pipeline threeway 769, reverse osmosis membrane 720 and union pressure-exchange increase Press pump, reverse osmosis membrane 720 both sides are respectively film intake antrum 718 and film water chamber 728, union pressure-exchange supercharging pump have Supercharging union joint 743, release union joint 746, suction inlet union joint 747 and pressure accumulation union joint 749, pressure accumulation union joint Being connected by film return duct 727 between 749 with film intake antrum 718, film water chamber 728 is connected to desalination water and goes out pipe 729, film intake antrum 718 suitable for reading with pipeline threeway 769 between be connected by high pressure sea water inlet pipe 719, supercharging union joint 743 is right with pipeline threeway 769 Between Kou by conversion high-voltage tube 717 connect, start high-voltage tube 716 two ends respectively with pipeline threeway 769 end opening and vertical union Perseverance exports airtight connection to stream device 713, and high voltage startup pump 714 is connected on startup high-voltage tube 716；Suction inlet pipeline 723 two ends are divided Impermanent with suction inlet union joint 747 and horizontal union exporting airtight connection to flowing device 722, 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, produce hard sealing, constitute supercharging union joint 743；

Being in series with horizontal union on described pre-treating seawater suction pipe 721 permanent to stream device 722, described high voltage startup pump 714 enters Vertical union it is in series with permanent to stream device 713, described union pressure-exchange supercharging pump between mouth and described startup suction pipe 712 Including final stage pump case 730, middle rear class pump case 300, middle prime pump case 400, primary pump case 800 and pressure-exchange union casing 350 and mouse cage water-cooled ventilated motor 710；Motor front cover plate 220 and motor is had on mouse cage water-cooled ventilated motor 710 Rotating shaft 240, motor front cover plate 220 is fixed with protecgulum axle spacer 280, and motor rotary shaft 240 outer end is spline shaft 246, motor front cover plate 220 outer rim has front shroud flange 201, and front shroud flange 201 has front shroud through hole 207；

In Fig. 2, Fig. 3, Fig. 9, Figure 10 and Figure 11, described final stage pump case 730 has supercharging union joint 743, final stage step surface 715, final stage intracavity concave cone wall 609 and pump housing rear end face 200, final stage pump case 730 intracavity has final pumps impeller 770, final pumps leaf Final stage inlet opening 299, impeller boss rank 737, final stage wheel convex cone face 579 and impeller hub 290, final stage is had on wheel 770 Impeller boss 290 inner end has final stage hub stepped hole 296, final stage hub stepped hole 296 to have final stage hub bore bottom surface 295, final stage on bottom surface There is final stage spline slotted eye 781 on hub bore bottom surface 295, be spline tooth circumference between final stage spline slotted eye 781 and spline shaft 246 The axially slidable cooperation of engagement；Stepped hole escape 293 is had, before final stage hub stepped hole 296 on final stage hub stepped hole 296 back segment Having hub axle to hold draw-in groove 298 on Duan, hub axle holds clearance fit in draw-in groove 298 pumping holes jump ring 291；

Final stage rotary gap 709, final stage rotary gap 709 is constituted between final stage intracavity concave cone wall 609 and final stage wheel convex cone face 579 Limit this grade of liquid countercurrent；

Final stage no inner-ring bearing 760, final stage no inner-ring bearing is had between final pumps impeller 770 and described protecgulum axle spacer 280 760 are made up of pump cylinder needle roller 268 and final stage bearing outer ring 269, and final stage bearing outer ring 269 is fixed on final stage hub stepped hole On 296 inner round wall, final stage bearing outer ring 269 both ends of the surface against pumping holes jump ring 291 and final stage hub bore bottom surface 295 respectively；

Having shaft extension hand-hole 285 and motor fixing threaded hole 204 on pump housing rear end face 200 respectively, final stage step surface 715 is flat Final stage step screw 601 is had on face；Motor gasket seal 202 is had between pump housing rear end face 200 and front shroud flange 201；Six Motor flange screw 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 connects fastening, is fixed on pump housing rear end face 200 by mouse cage water-cooled ventilated motor 710；

In Fig. 2, Fig. 3 and Fig. 4, described middle rear class pump case 300 has middle rear class intracavity concave cone wall 829, middle rear class chamber Inner circle 351, middle rear class step 325 and middle rear class inner chamber 320, middle rear class step 325 plane has middle rear class step Screw 603, has impeller 302 behind centre, middle rear class intracavity circle 351 planes has middle rear class among middle rear class inner chamber 320 Flange hole 602；After having middle rear class suction inlet 399, middle rear class impeller boss rank 312, centre behind centre on impeller 302, step cone is convex The conical surface 529 and middle rear class impeller concave station rank 321, middle rear class impeller concave station rank 321 and described impeller boss rank 737 Coordinate, there is middle rear class spline slotted eye 382 middle baseplane, rear class impeller concave station rank 321；Middle rear class spline slotted eye 382 with It it is the axially slidable cooperation of spline tooth circumferential engagement between spline shaft 246；Middle rear class intracavity concave cone wall 829 is with middle Rear class rotary gap 319 in the middle of constituting between rear step cone convex cone face 529, it is inverse that middle rear class rotary gap 319 limits this grade of liquid Stream；Middle rear class intracavity circle 351 coordinates with final stage step surface 715, and final stage screw passes through middle rear class flange hole 602 and final stage platform Rank screw 601 coordinates, and is fixed together airtight with final stage pump case 730 for centre rear class pump case 300；

In Fig. 2, Fig. 4 and Fig. 5, described middle prime pump case 400 has middle prime intracavity concave cone wall 649, middle prime chamber Inner circle 452, middle prime step 472 and middle prime inner chamber 420, have impeller 304 before centre among middle prime inner chamber 420, There is middle prime flange hole 604 in middle prime intracavity circle 452 planes, middle prime step 472 plane has middle prime platform Rank screw 605；Before having middle prime suction inlet 499, middle prime impeller boss rank 417, centre before middle on impeller 304, step cone is convex The conical surface 549 and middle prime impeller concave station rank 421, middle prime impeller concave station rank 421 and described middle rear class impeller boss Rank 312 coordinate, and there is middle prime spline slotted eye 487 middle baseplane, prime impeller concave station rank 421；Middle prime spline slotted eye Coordinate for the axially slidable of spline tooth circumferential engagement between 487 with spline shaft 246；Middle prime intracavity concave cone wall 649 And prime rotary gap 409 in the middle of constituting between step cone convex cone face 549 before centre, middle prime rotary gap 409 limits this level Liquid countercurrent；Middle prime intracavity circle 452 coordinates with middle rear class step 325, and middle rear class screw passes through middle prime flange Hole 604 coordinates with middle rear class step screw 603, is fixed on one by rear class pump case 300 is airtight centre prime pump case 400 and centre Rise.

In Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 and Figure 15, pump dividing plate 333 both sides coordinate with pressure-exchange union casing 350 and primary pump case 800 respectively, and pump dividing plate 333 cylindrical has exchange pump to hold T-Ring 355, pump dividing plate 333 cylindrical and exchange pump are accepted on ring 355 and to be topped bar 352 for dividing plate between plane；Pump dividing plate 333 cylindricals and exchange pump are accepted and are got out of a predicament or an embarrassing situation 358 for dividing plate between ring 355 lower plane；

There is primary union flange 356 on primary pump case 800, primary union flange 356 cylindrical have primary union external screw thread 833, Primary union flange 356 end face has stepped hole 871 in primary shell, and in primary shell, stepped hole 871 and dividing plate are topped bar between 352 and be Interference fits, plays positioning action；

Pressure-exchange union casing 350 is suitable for reading exchange casing union back-up ring 365, and exchange casing union back-up ring 365 end face has friendship Changing chassis cavity circle 551, it is interference fits that exchange chassis cavity circle 551 and dividing plate are got out of a predicament or an embarrassing situation between 358, plays positioning action；

Exchange pump is accepted ring 355 and is being exchanged between casing union back-up ring 365 end face and primary union flange 356 end face, hands over Pump of changing planes is accepted has switch union outer ring 357 outside ring 355, and switch union outer ring 357 is by switch union step surface 359 He Switch union female thread 533 is formed, and switch union step surface 359 is positioned at exchange casing union back-up ring 365 back side；Exchange Machine union female thread 533 coordinates with primary union external screw thread 833, exchange casing union back-up ring 365 end face and primary union flange 356 extrude exchange pump undertaking ring 355 together constitutes switch pump seal；

Described pump dividing plate 333 both sides have baffle shaft spacer 348 and baffle shaft bearing 696, baffle shaft bearing 696 endoporus respectively There is partition board hole draw-in groove 598 on outer end, in partition board hole draw-in groove 598, have partition board hole jump ring 891；

Described primary pump case 800 upper surface has primary barrel inner circle 378, primary pump case 800 inwall to have concave cone wall in primary barrel 869, primary pump case 800 inner chamber has backing pump impeller 308；Primary flange hole 606, primary barrel is had in primary barrel inner circle 378 plane Inner circle 378 coordinates with middle prime step 472, and primary screw passes through primary flange hole 606 and joins with middle prime step screw 605 Closing, by primary pump case 800, prime pump case 400 is airtight is fixed together with centre；

Primary suction inlet 899 and primary runner boss rank 787, first step cone convex cone face 589 and primary runner is had on backing pump impeller 308 Concave station rank 521, primary runner boss rank 787 are made up of primary boss cylindrical 818 and primary boss terrace 876；Primary runner Concave station rank 521 coordinate with described middle prime impeller boss rank 417, and baseplane, primary runner concave station rank 521 has primary flower Dowel hole 580, primary spline slotted eye 580 coordinates for the axially slidable of spline tooth circumferential engagement between spline shaft 246；

Primary rotary gap 849, primary rotary gap 849 is constituted between concave cone wall 869 and first step cone convex cone face 589 in primary barrel Limit this grade of liquid countercurrent；Primary pump case 800 inner chamber is also divided into primary inner chamber 820 of discharging with just by primary rotary gap 849 Level sucks inner chamber 520, and primary suction arranges pump sea water suction inlet 331 on inner chamber 520, pump sea water suction inlet 331 and suction inlet pipeline 723 it Between made to connect by suction inlet union joint 747；

Primary bearing roller 880, primary bearing roller it is provided with between baffle shaft bearing 696 endoporus and primary boss cylindrical 818 880 two ends lay respectively at partition board hole jump ring 891 and dividing plate bearing regulation ring 892 between, dividing plate bearing regulation ring 892 be positioned at every On board shaft bearing 696 endoporus baseplane；

Primary bearing roller 880 upper end also abuts on primary boss terrace 876, and pump cylinder needle roller 268 wherein one end abuts in On pump bearing shoulder block 867；Primary bearing roller 880, together with pump cylinder needle roller 268, forms the axial limit to level Four series connection impeller System；Level Four series connection impeller includes impeller 302 and final pumps impeller 770 behind backing pump impeller 308, middle front impeller 304, centre；

Pressure-exchange union casing 350 bottom centre is provided with pressure relief vent 752, and pressure-exchange union casing 350 has exchange Machine circumferential wall 353, switch circumferential wall 353 is provided with pressure accumulation import 751, between pressure accumulation import 751 and film return duct 727 by Pressure accumulation union joint 749 is made to connect；Made to be connected by release union joint 746 between pressure relief vent 752 with film return duct 727；

Pressure-exchange union casing 350 has switch impeller 340 within the walls, and switch impeller 340 has switch blade 834 and machine Impeller boss 890, machine impeller boss 890 inner end organic hub stepped hole 596, organic hub bore bottom surface on machine hub stepped hole 596 bottom surface 895, organic spline slotted eye 894 on machine hub bore bottom surface 895, for spline tooth circle between machine spline slotted eye 894 and spline shaft 246 The axially slidable cooperation of week engagement；Organic hole escape 893 on machine hub stepped hole 596 back segment, on machine hub stepped hole 596 leading portion Organic hub bore draw-in groove 898, clearance fit organic hole jump ring 591 in machine hub bore draw-in groove 898；

As improvement: described mouse cage water-cooled ventilated motor 710 assembles and union fitting passage connects and critical component group Dress step is as follows:

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

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 rotating shaft fore bearing section 245 of the fixed motor rotary shaft of endoporus 240；With other eight front screws 221 by motor back shroud 230 It is fixed on motor casing 210 rear end face, on the bonnet dead eye 234 of motor back shroud 230 outside fixed rear bearing 235 Circle, the rotating shaft rear bearing section 243 of the fixed motor rotary shaft of rear bearing 235 endoporus 240, cable passes through and is positioned at motor bonnet Lead-in wire window 250 on plate 230, may be connected to external control power supply.

(2), union fitting passage connects:

(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, suction inlet 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 relief vent Connect between 752 and constitute release union joint 746 and be sealedly and fixedly connected, connect between suction inlet pipeline 723 and pump sea water suction inlet 331 Lead to and constitute suction inlet union joint 747 and be sealedly and fixedly connected, connect between film return duct 727 and pressure accumulation import 751 and constitute storage Pressure union joint 749 is sealedly and fixedly connected；

(3), critical component number of assembling steps:

(1), protecgulum axle spacer 280 is installed

Axle spacer on protecgulum axle spacer 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 axle spacer fixing hole 805 on protecgulum axle spacer 280 and motor with axle spacer screw 228 Protecgulum screw 227 on front shroud 220 matches, by the axle spacer flange 807 on protecgulum axle spacer 280 and motor front cover plate Protecgulum concave station face 229 on 220 is close to fix so that the axle spacer stepped hole 284 on protecgulum axle spacer 280 and rotating shaft fore bearing There is between section 245 outlines high accuracy axiality and fix machine sealing assembly 248.Meanwhile, the axle spacer on protecgulum axle spacer 280 The rotational clearance of 1.2 millimeters is had between rotating shaft fore bearing section 245 outline of through hole 804 and motor rotary shaft 240.

(2), final stage bearing outer ring 269 is installed

Final stage no inner-ring bearing 760 selects RNA type separate type no inner-ring bearing, final stage is first taken turns adjusting ring 292 matched in clearance and puts Enter among the final stage hub stepped hole 296 on impeller hub 290 and cross stepped hole escape 293 and be attached to final stage hub bore bottom surface On 295；Again final stage bearing outer ring 269 interference fit on final stage no inner-ring bearing 760 is pressed into the end on impeller hub 290 Among level hub stepped hole 296, then pumping holes jump ring 291 is put into hub axle with specific purpose tool hold draw-in groove 298 so that final stage bearing Outer ring 269 both ends of the surface against pumping holes jump ring 291 and final stage wheel adjusting ring 292 respectively.

Other following structural features in mouse cage ventilated motor aluminium alloy union manufacture machine:

Have switch bearing 380 between switch impeller 340 and described baffle shaft spacer 348 cylindrical, switch bearing 380 by Machine cylinder needle roller 568 and machine bearing outer ring 569 are formed, and machine bearing outer ring 569 is fixed on machine hub stepped hole 596 inner round wall, Two ends, machine bearing outer ring 569 against machine hole jump ring 591 and machine bearing regulation ring 592 respectively, and machine bearing regulation ring 592 is positioned at machine On hub bore bottom surface 895；

There is locking screw 297 machine impeller boss 890 lower surface, and spline shaft 246 lower surface has axle head screw 247, will be fixing Machine bearing outer ring 569 on machine impeller boss 890 is inserted in together with machine cylinder needle roller 568 and is fixed on outside baffle shaft spacer 348 On circle, rotating exchange machine blade 834 so that the machine spline slotted eye 894 on machine impeller boss 890 is directed at phase with spline shaft 246 Coordinate, continue to push against machine impeller boss 890 so that machine cylinder needle roller 568 entirety in machine bearing outer ring 569 and baffle shaft spacer 348 cylindricals match；First take step backing-up screw 274 pass through after axial positioning retainer ring 270 centre bore with axle head screw 247 phase Coordinate so that the axially positioning retainer ring 270 two parallel ribs 273 and spline shaft 246 outer ends on step backing-up screw 274 2 millimeters of axially free amounts are had between face；The positioning retainer ring through hole on axial positioning retainer ring 270 is passed through again with 5 back-up ring screws 277 Match with the locking screw 297 on machine impeller boss 890 afterwards, axial positioning retainer ring 270 is also fastened to machine impeller boss 890 outer end On face；Finally pass through the through hole on locking catch 271 and the location on axial positioning retainer ring 270 successively with 1 back-up ring screw 277 Match with the locking screw 297 on impeller hub 290 after back-up ring through hole so that the catch corner edges on locking catch 271 On any one flat limit on 272 alignment two parallel ribs 273, play locking effect；

Described baffle shaft bearing 696 bore area and primary boss cylindrical 818 outer round surface all have a layer thickness to be 0.61 milli The aluminum alloy hard wear-resistant coating of rice；The material of aluminum alloy hard wear-resistant coating is elementary composition by following percentage by weight: Al: 12%, W:3.5%, Mo:2.8%, Ni:2.4%, Cr:2.3%, Nb:1.5%, C:1.2%, surplus is Fe and inevitable impurity； The weight percent content of described impurity is: P is 0.05%, Sn is 0.04%, Si is 0.17%, Mn is 0.024%, S is 0.009%, P is 0.014%；The material Specifeca tion speeification of aluminum alloy hard wear-resistant coating is: Rockwell hardness HRC value is 59；

The overall material of described primary bearing roller 880 is zirconia ceramics, with ZrO₂(zirconium dioxide) 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 ZrO than content₂:92.6；MgO:2.23%； BaCO₃: 2.85%, remaining is bonding clay.

In Fig. 3, Fig. 9, Figure 10, Figure 16, Figure 17, Figure 18 and Figure 19, described mouse cage water-cooled ventilated motor 710 includes electricity Motivation shell 210, motor front cover plate 220, motor back shroud 230, motor rotary shaft 240, stator 251, rotor 252 and end Level impeller boss 290, on motor casing 210 outer wall, leaded window 250 and intake lug 237 and water outlet lug 217, electronic Fixing threaded hole 288, stator 251 is had to be fixed on motor on the case nose face 281 of machine shell 210 and outer casing back face 283 On shell 210 endoporus, rotor 252 is fixed at motor rotary shaft 240 maximum gauge and corresponding with stator 251 position, electronic Front screw 221 is had to be fixed on motor casing 210 front end face on machine front shroud 220, the Front Cover Bearing hole of motor front cover plate 220 Fixed fore bearing 225 cylindrical on 224, the rotating shaft fore bearing section 245 of the fixed motor rotary shaft of fore bearing 225 endoporus 240；Electricity Rear screw 231 is had to be fixed on motor casing 210 rear end face on motivation back shroud 230, the bonnet bearing of motor back shroud 230 Fixed rear bearing 235 cylindrical on hole 234, the rotating shaft rear bearing section 243 of the fixed motor rotary shaft of rear bearing 235 endoporus 240, There is main shaft end 233 rotating shaft rear bearing section 243 rear end, fixed electric motor fan blade 232, fan blade outer housing 212 on main shaft end 233 It is fixed on motor back shroud 230 cylindrical；Cooling sandwith layer 222, cooling folder is had between outer wall and the inwall of motor casing 210 Layer 222 gets around lead-in wire window 250 and arranges, cooling sandwith layer 222 circumference isolation two ends have respectively to be run through into water through hole 238 and water outlet Hole 218, has isolation bar 286 to separate between water inlet through hole 238 and water outlet through hole 218, arranges inside case nose face 281 Front end fuisw rib 226 and outer casing back face 283 inside the rear end fuisw rib 236 that arranges alternately misplace layouts so that cooling is pressed from both sides Increase flow velocity in layer 222, improve cooling effect；Water outlet taper thread 219 is had on water outlet lug 217, logical bottom water outlet taper thread 219 Toward water outlet through hole 218, water inlet lug 237 has into water taper thread 239, bottom water inlet taper thread 239, lead to water inlet through hole 238；Motor front cover plate 220 is fixed with protecgulum axle spacer 280, has one between protecgulum axle spacer 280 and impeller hub 290 Final stage no inner-ring bearing 760；

Have axle spacer flange 807 on protecgulum axle spacer 280, have outside axle spacer flange 807 pump bearing prop up hold round 289, pump bearing Shoulder block 867 and axle spacer through hole 804, have axle spacer stepped hole 284 and axle spacer regulation step 882 inside axle spacer flange 807, It is interference fits between axle spacer regulation step 882 cylindrical and Front Cover Bearing hole 224, axle spacer regulation step 882 has sealing Circle draw-in groove 809, sealing ring draw-in groove 809 has axle spacer sealing ring 209, between axle spacer sealing ring 209 and Front Cover Bearing hole 224 Constitute static seal；Have between motor sealing ring 208 and motor front cover plate 220 on motor casing 210 end face constitute quiet close Envelope；Organic envelope dismounting groove 808 between axle spacer stepped hole 284 and axle spacer through hole 804, it is simple to specific purpose tool demountor sealing assembly 248。

In Figure 20, Figure 21, Figure 22, Figure 23, Figure 24, Figure 25 and Figure 26, described vertical union permanent to stream device 713 include by Nonyl head valve body 150, upper baffle 130, paired half-open cylinder 160, mobile spool 170, lower baffle 180 and cloth symmetrical above and below The taper hole gland 140 put, there is valve body union external screw thread 155 at the two ends up and down of described union head valve body 150 cylindrical, start and inhale Pipe 712 upper end has the valve body union external screw thread 155 of union back-up ring female adapter and union head valve body 150 cylindrical lower end to match close Be tamping solid, start high-voltage tube 716 lower end also have the valve body of union back-up ring female adapter and union head valve body 150 cylindrical upper end by Nonyl external screw thread 155 matched seal fastens；

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.

In Figure 27, Figure 28, Figure 29, Figure 30, Figure 31 and Figure 32, described horizontal union is permanent includes cylinder axis to stream device 722 610, rotation spool 620, union valve body 630, trip bolt 670 and outer end cap 690, described union valve body 630 has valve body Side plane 636, valve body inletpiston hard layer 638 and valve outlet plane hard layer 639 and outlet elbow 631 and import are curved Pipe 632；There is bend pipe union joint 637 outlet elbow 631 outer end, goes out bend pipe union joint 637 and starts high-voltage tube 716 termination Between union screw thread by go out bend pipe union outer ring 643 connect sealing fastening；Import bend pipe 632 outer end has into bend pipe union joint 635, enter bend pipe union joint 635 with starting and be connected sealing by entering bend pipe union outer ring 634 between suction pipe 712 termination union screw thread 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, axle spacer regulation step 882 cylindrical and pump 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, axle There are six axle spacer fixing holes 805 corresponding with protecgulum screw 227 on spacer flange 807；Axle spacer screw 228 passes through axle spacer Fixing hole 805 matches with protecgulum screw 227, is fixed on protecgulum concave station face 229 by protecgulum axle spacer 280；Protecgulum concave station face There is between 229 and Front Cover Bearing hole 224 the perpendicularity relation of six grades of tolerance grades；Axle spacer on protecgulum axle spacer 280 is adjusted Joint step 882 the inner is stretched into Front Cover Bearing hole 224 and props up fore bearing 225；Protecgulum axle spacer 280 outer end and impeller hub A final stage no inner-ring bearing 760 is had between 290；

There is axle spacer flange 807 on protecgulum axle spacer 280, have pump bearing to prop up outside axle spacer flange 807 and hold round 289 and axle spacer Through hole 804, has axle spacer stepped hole 284 and axle spacer regulation step 882, axle spacer regulation step inside axle spacer flange 807 It is interference fits between 882 cylindricals and Front Cover Bearing hole 224, axle spacer regulation step 882 has sealing ring draw-in groove 809, seals There is axle spacer sealing ring 209 on circle draw-in groove 809, between axle spacer sealing ring 209 and Front Cover Bearing hole 224, constitute static seal；Electricity Composition static seal between motor sealing ring 208 and motor front cover plate 220 is had on motivation shell 210 end face；Axle spacer step Organic envelope dismounting groove 808 between hole 284 and axle spacer through hole 804, it is simple to specific purpose tool demountor sealing assembly 248.

Technique screw blocking 607 is set on concave cone wall 869 in primary barrel, when the blocking 607 of technique screw is from primary barrel indent When laying down on cone wall 869, specific purpose tool may pass through the technique screw after technique screw blocking 607 is laid down, at the beginning of specific purpose tool manipulation Level screw passes through primary flange hole 606 and coordinates with middle prime step screw 605, by primary pump case 800 and middle prime pump case 400 airtight are fixed together；

When technique screw blocking 607 is contained in primary barrel on concave cone wall 869, it can be ensured that primary inner chamber 820 of discharging is inhaled with primary Entering and realize isolation between inner chamber 520, primary discharge inner chamber 820 and primary suck between inner chamber 520 only by between primary rotation Gap 849 affects；

There is protecgulum concave station face 229 on motor front cover plate 220 lateral surface, protecgulum concave station face 229 have six protecgulum screws 227, There are six axle spacer fixing holes 805 corresponding with protecgulum screw 227 on axle spacer flange 807；Axle spacer screw 228 pass through axle every Set fixing hole 805 matches with protecgulum screw 227, is fixed on protecgulum concave station face 229 by protecgulum axle spacer 280.

Two, final stage no inner-ring bearing 760 is made up of pump cylinder needle roller 268 and final stage bearing outer ring 269, outside final stage bearing Circle 269 is fixed on final stage hub stepped hole 296 inner round wall, is spline tooth between final stage spline slotted eye 781 and spline shaft 246 The axially slidable cooperation of circumferential engagement；

Pump cylinder needle roller 268 one end abuts on pump bearing shoulder block 867, and pump cylinder needle roller 268 other end abuts in final stage rotation On pitch circle 292, dividing plate bearing regulation ring 892 is positioned on baffle shaft bearing 696 endoporus baseplane；

Spline shaft 246 pass through successively axle spacer through hole 804, final stage spline slotted eye 781, middle rear class spline slotted eye 382, in Between prime spline slotted eye 487, primary spline slotted eye 580, baffle shaft spacer 348 endoporus and machine spline slotted eye 894, spline drived 0.15 millimeter of gap, spline shaft 246 and end is all had between axle 246 and axle spacer through hole 804 and baffle shaft spacer 348 endoporus Level spline slotted eye 781, middle rear class spline slotted eye 382, middle prime spline slotted eye 487, primary spline slotted eye 580 and machine flower The axially slidable cooperation of spline tooth circumferential engagement it is between dowel hole 894；

There is axle head screw 247 on the outer face of spline shaft 246, axle head screw 247 be combined with step backing-up screw 274, Step backing-up screw 274 limits the axial displacement of axial positioning retainer ring 270, and axial positioning retainer ring 270 outer rim position is fixed on On the outer transverse plane of machine spline slotted eye 894, then limit the machine impeller boss 890 axial displacement relative to spline shaft 246；Axle Having locking catch 271 on positioning retainer ring 270 lateral surface, locking catch 271 is together with axial positioning retainer ring 270, by back-up ring spiral shell Nail 277 is fixed on the outer transverse plane of machine spline slotted eye 894；Two parallel ribs 273 are had on the spiral shell brain of step backing-up screw 274, anti- Catch corner edges 272, catch corner edges 272 is had to be close on any one flat limit on two parallel ribs 273 on pine catch 271.

Three, pressure-exchange principle and reverse osmosis seawater desalting Engineering Task process:

Pre-treating seawater suction pipe 721 and start suction pipe 712 and be inserted into below pretreatment pool water surface 711 20 centimetres, starts height Pressure starts pump 714, is drawn the pre-treating seawater in sea water preprocessing pond 310 by starting suction pipe 712, is activated high-voltage tube successively 716, after pipeline threeway 769 and high pressure sea water inlet pipe 719, it is injected among film intake antrum 718 that directly to participate in permeable membrane sea water light Change；

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 Entering to pressure accumulation import 751 position, after impact switch blade 834, process auxiliary drive switch impeller 340 rotates, pressure accumulation sea of damming Pressure release after water acting, discharges from pressure relief vent 752, through release union joint 746, emits from drain line 726 or deliver to Downstream processes；Use between machine spline slotted eye 894 and spline shaft 246 is the axially slidable of spline tooth circumferential engagement Coordinate；Process auxiliary drive spline shaft 246 rotates, and not only drives impeller behind backing pump impeller 308, middle front impeller 304, centre 302 and final pumps impeller 770 synchronous rotary, but also reduce mouse cage water-cooled ventilated motor 710 and start load, it is to avoid Mus Cage water-cooled ventilated motor 710 is burnout failure because starting current is excessive；

Meanwhile, start mouse cage water-cooled ventilated motor 710, pre-treating seawater suction pipe 721 lower port draw sea water in advance Pre-treating seawater in reason pond 310, successively through horizontal union permanent to stream device 722, suction inlet pipeline 723, suction inlet union joint 747 with And after pump sea water suction inlet 331, it is injected into primary suction inner chamber 520；Along with backing pump impeller 308, middle front impeller 304, centre Rear impeller 302 and the synchronous rotary of final pumps impeller 770, be injected into the primary liquid of inner chamber 520 that sucks by primary suction inlet 899 quilt Sucking, be injected into primary inner chamber 820 of discharging by centrifugation, then be inhaled into through middle prime suction inlet 499 after power supercharging, power is more by centrifugation It is injected into middle prime inner chamber 420 after secondary supercharging, then is inhaled into through middle rear class suction inlet 399, note after power supercharging again by centrifugation Enter to middle rear class inner chamber 320, then be inhaled into through final stage inlet opening 299, be injected into final stage pump case after power final boost by centrifugation In 730 spiral cases, power is pressurized to 6.0 MPas of (MPa) liquid and flows through spiral case union outlet 744, supercharging union joint successively by centrifugation 743, after conversion high-voltage tube 717, pipeline threeway 769 and high pressure sea water inlet pipe 719, it is injected among film intake antrum 718 and directly joins With permeable membrane desalinization；After mouse cage water-cooled ventilated motor 710 normally works, high voltage startup pump 714 is without working again.

Four, the present invention also has substantive distinguishing features highlighted below, it is ensured that can bring the most progressive following effect:

1, horizontal union it is in series with on pre-treating seawater suction pipe 721 permanent to stream device 722, this special setting, it is ensured that start high pressure The high pressure sea water of 6 MPas (MPa) in pipe 716 will not produce reverse counterflow, operates safe and reliable.Horizontal union is permanent to stream device It is sensitive that rotation spool 620 in 722 possesses rotation, has deformation two panels runner between annular flow road junction 622 and circular flow channel mouth 621 688 are connected this special setting so that horizontal union is permanent does not has any obstructions such as spring-like in stream device 722 global facility Part, can be achieved with permanent to flowing function, completely eliminates because pipeline fittings fault affects the hidden danger that the present invention normally works.

2, high voltage startup pump 714 import is in series with vertical union perseverance to stream device 713, this spy with starting between suction pipe 712 Different setting, it is ensured that the high pressure sea water starting 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 713 of vertical union is arranged so that it is permanent to stream that mobile spool 170 is suspended in vertical union Within device 713, mobile spool 170 integrated suspension structure is allowed to be possessed unlatching, closes agility；Make vertical union permanent to stream device 713 global facilities do not have any obstruction parts such as spring-like, can be achieved with permanent to flowing function, completely eliminate because starting Pipeline fittings fault on suction pipe 712 affects the hidden danger that the present invention normally works.

Claims (2)

1. application mouse cage ventilated motor aluminium alloy union manufactures machine and extracts islands and reefs fresh water method, including sea water preprocessing pond (310), pre-treating seawater suction pipe (721), startup suction pipe (712), high voltage startup pump (714), pipeline threeway (769), reverse osmosis Film (720) and union pressure-exchange supercharging pump, reverse osmosis membrane (720) both sides are respectively film intake antrum (718) and film water outlet Chamber (728), union pressure-exchange supercharging pump has supercharging union joint (743), release union joint (746), suction inlet union Joint (747) and pressure accumulation union joint (749), by film return duct between pressure accumulation union joint (749) and film intake antrum (718) (727) connecting, film water chamber (728) is connected to desalination water and goes out pipe (729), and film intake antrum (718) is suitable for reading with pipeline threeway (769) Between connected by high pressure sea water inlet pipe (719), high by conversion between supercharging union joint (743) and pipeline threeway (769) right mouth Pressure pipe (717) connects, and starts high-voltage tube (716) two ends permanent with pipeline threeway (769) end opening and vertical union to stream device respectively (713) outlet airtight connection, high voltage startup pump (714) is connected in startup high-voltage tube (716)；Suction inlet pipeline (723) two ends are divided Impermanent with suction inlet union joint (747) and horizontal union export airtight connection, release union joint (746) to stream device (722) It is connected to drain line (726)；

Motor flange screw (205) passes through the sealing gasket through hole on front shroud through hole (207) and motor gasket seal (202) It is connected fastening with motor fixing threaded hole (204) afterwards, mouse cage water-cooled ventilated motor (710) is fixed on pump housing rear end face (200) on；

In primary shell, stepped hole (871) and dividing plate are topped bar between (352) is interference fits, plays positioning action；Exchange casing It is interference fits that inner chamber circle (551) and dividing plate are got out of a predicament or an embarrassing situation between (358), plays positioning action；Switch union female thread (533) Coordinating with primary union external screw thread (833), exchange casing union back-up ring (365) end face squeezes together with primary union flange (356) Pressure exchange pump is accepted ring (355) and is constituted switch pump seal；Primary screw passes through primary flange hole (606) and middle prime platform Rank screw (605) coordinates, and is fixed together airtight with middle prime pump case (400) for primary pump case (800)；Pressure relief vent (752) make to be connected by release union joint (746) with between film return duct (727)；Machine spline slotted eye (894) and spline shaft (246) it is the axially slidable cooperation of spline tooth circumferential engagement between；

It is characterized in that: described mouse cage water-cooled ventilated motor (710) assembles and union fitting passage connects and critical component Number of assembling steps is as follows:

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

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, rotating shaft fore bearing section (245) of the fixed motor rotary shaft of fore bearing (225) endoporus (240)； Motor back shroud (230) is fixed on motor casing (210) rear end face, after motor with other eight front screws (221) Upper fixed rear bearing (235) cylindrical of the bonnet dead eye (234) of cover plate (230), the fixed motor of rear bearing (235) endoporus Rotating shaft rear bearing section (243) of rotating shaft (240), cable passes through the lead-in wire window being positioned on motor back shroud (230) (250), may be connected to external control power supply；

(2), union fitting passage connects:

(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), suction inlet 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) Connect with between pressure relief vent (752) and constitute release union joint (746) be sealedly and fixedly connected, suction inlet pipeline (723) and pump Connect between sea water suction inlet (331) and constitute suction inlet union joint (747) be sealedly and fixedly connected, film return duct (727) and pressure accumulation Connect between import (751) and constitute pressure accumulation union joint (749) and be sealedly and fixedly connected；

(3), critical component number of assembling steps:

(1), protecgulum axle spacer (280) is installed

Axle spacer on protecgulum axle spacer (280) is regulated step (882) and the Front Cover Bearing hole on motor front cover plate (220) (224) interference fits at nearly outer end, and the axle spacer fixing hole on protecgulum axle spacer (280) is passed through with axle spacer screw (228) (805) match with the protecgulum screw (227) on motor front cover plate (220), by the axle spacer method on protecgulum axle spacer (280) Blue (807) are close to fix with the protecgulum concave station face (229) on motor front cover plate (220) so that on protecgulum axle spacer (280) There is between axle spacer stepped hole (284) and rotating shaft fore bearing section (245) outline high accuracy axiality and fix machine sealing assembly (248)；Meanwhile, axle spacer through hole (804) on protecgulum axle spacer (280) and the rotating shaft fore bearing section of motor rotary shaft (240) (245) there is the rotational clearance of 1.1 1.3 millimeters between outline；

(2), final stage bearing outer ring (269) is installed

Final stage no inner-ring bearing (760) selects RNA type separate type no inner-ring bearing, final stage is first taken turns adjusting ring (292) gap and joins Conjunction is put among final stage hub stepped hole (296) on impeller hub (290) and is crossed stepped hole escape (293) and is attached to final stage On hub bore bottom surface (295)；Again final stage bearing outer ring (269) interference fit on final stage no inner-ring bearing (760) is pressed into final stage Among final stage hub stepped hole (296) on impeller boss (290), then pumping holes jump ring (291) is put into hub axle with specific purpose tool hold In draw-in groove (298) so that final stage bearing outer ring (269) both ends of the surface against pumping holes jump ring (291) and final stage wheel adjusting ring respectively (292)。

Application mouse cage ventilated motor aluminium alloy union the most according to claim 1 manufactures machine and extracts islands and reefs fresh water side Method, is characterized in that: be the axial of spline tooth circumferential engagement between middle rear class spline slotted eye (382) and spline shaft (246) Slidably coordinate；In the middle of constituting between step cone convex cone face (529) after middle rear class intracavity concave cone wall (829) and centre, rear class rotates Gap (319), middle rear class rotary gap (319) limits this grade of liquid countercurrent；Middle rear class intracavity circle (351) and final stage step Face (715) coordinates, and final stage screw passes through middle rear class flange hole (602) and coordinates with final stage step screw (601), by centre rear class Pump case (300) is airtight with final stage pump case (730) to be fixed together；

Join for the axially slidable of spline tooth circumferential engagement between middle prime spline slotted eye (487) and spline shaft (246) Close；Prime rotary gap in the middle of constituting between step cone convex cone face (549) before middle prime intracavity concave cone wall (649) and centre (409), middle prime rotary gap (409) limits this grade of liquid countercurrent；Middle prime intracavity circle (452) and middle rear class step (325) coordinating, middle rear class screw passes through middle prime flange hole (604) and coordinates with middle rear class step screw (603), by Between prime pump case (400) is airtight with middle rear class pump case (300) is fixed together.