CN106089740A - Application zirconia ceramics disc type thrust motor device for hooping processes sea water method - Google Patents

Abstract

The invention belongs to application apparatus from sea water, extract fresh water method, application zirconia ceramics disc type thrust motor device for hooping processes sea water method, this device includes 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 clip pressure-exchange promote pump, as improvement: disc type thrust bearing motor and critical component assembling and pressure-exchange principle and reverse osmosis seawater desalting Engineering Task process are as follows: one, disc type thrust bearing motor assembles, two, thimble connector pipeline connects, three, critical component number of assembling steps, four, clip pressure-exchange machine workflow, five, reverse osmosis seawater desalting Engineering Task process；The present invention use clamp connection structure dismounting, easy to maintenance, particularly set up clip pressure-exchange and promote pump, booster pump suction inlet on boost in pressure clip pump portion is directly directed at the supercharging center round in clip pressure-exchange machine part, and compact conformation, energy-saving effect is obvious.

Description

Application zirconia ceramics disc type thrust motor device for hooping processes sea water method

Technical field

The invention belongs to application apparatus from sea water, extract fresh water method, be specifically related in reverse osmosis seawater desalination system increase If the application zirconia ceramics disc type thrust motor device for hooping that pressure-exchange promotes pump processes sea 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 is the highest, obtains Fresh water purity the highest, require simultaneously by participate in infiltration sea water bring up to higher pressure；Accordingly, it is capable to organic efficiency becomes Reduce the key of desalinization cost；The pressure exchanger master that the world today recycles at field of seawater desalination liquid energy There is a series of mechanical movement part and electrical equipment switching mechanism, maintenance rate is higher final affects production cost；As: China is specially The reverse osmosis desalination device of profit Authorization Notice No. CN 101041484 B band energy regenerating；Chinese patent Authorization Notice No. CN 100341609 C reverse osmosis sea water desalting energy recovery device multiple tracks pressure switcher etc..

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 apparatus extracts fresh water side from sea water Method, promotes pump equipped with clip pressure-exchange, pressure-exchange efficiency can be made to improve, and system structure is compacter, also eliminates Switch valves etc. control element, be finally reached and investment and daily management maintenance cost are greatly reduced；By the following technical solutions:

Application zirconia ceramics disc type thrust motor device for hooping processes sea water method, and this device includes 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 clip pressure-exchange elevator Pump, reverse osmosis membrane both sides are respectively film intake antrum and film water chamber, clip pressure-exchange promote have on pump supercharging thimble connector, Release thimble connector, low pressure thimble connector and pressure accumulation thimble connector, described supercharging thimble connector include volute outlet hoop, Half-watt, spiral case under half-watt and supercharging clip on conversion high pressure hoop, paired supercharging clamp bolt nut group and supercharging clip Outlet hoop termination has volute outlet clip sealing surface, conversion high pressure hoop termination to have conversion high pressure card sealing surface, supercharging On clip, under half-watt and supercharging clip, half-watt is positioned on volute outlet hoop and conversion high pressure hoop simultaneously, by means of in pairs Supercharging clamp bolt nut group synchronizes fastening to half-watt under half-watt on supercharging clip and supercharging clip so that volute outlet clip is close Front cover is close together to constitute with conversion high pressure card sealing surface and seals；

Vertical clip 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 Horizontal clip it is in series with permanent to stream device, described clip pressure-exchange elevator between make-up pump import and described moisturizing suction pipe Pump is made up of boost in pressure clip pump portion and clip pressure-exchange machine part, and boost in pressure clip pump is by disc type thrust bearing Motor drives, and the no inner-ring bearing entirety material in disc type II type explosion separation motor is zirconia ceramics, as improvement: described Disc type thrust bearing motor and critical component assemble and pressure-exchange principle and reverse osmosis seawater desalting Engineering Task process such as Under:

(1), disc type II type explosion separation motor assembles:

Front motor cover plate among disc type thrust bearing motor also has the push shaft bearing bore of a fixed thrust bearing, thrust bearing Another end face is close on the outer face, side of rotor rack endoporus；Push shaft bearing bore is positioned at inner and fixed thrust bearing one End face, has adjusting washer (disk) between another end face of thrust bearing and rotor rack endoporus outer face, has 2.5-between stator and rotor The end face air gap of 2.7 millimeters；

(2), thimble connector pipeline connects:

(1), supercharging thimble connector connect, by volute outlet clip sealing surface with change high pressure card sealing surface align, by supercharging card On hoop, under half-watt and supercharging clip, half-watt is positioned on volute outlet hoop and conversion high pressure hoop simultaneously, paired supercharging clip Bolt and nut group under half-watt on supercharging clip and supercharging clip half-watt synchronize fastening so that volute outlet clip sealing surface with turn Change the high pressure card sealing surface composition that is close together to be sealedly connected and fixed, constitute static between conversion high-voltage tube and the outlet of spiral case clip It is sealedly connected and fixed；

(2) as supercharging flange joint connection manner, respectively by release thimble connector, low pressure thimble connector and pressure accumulation clip Joint carries out clamp connection with the pipeline of its both sides, position so that constitutes between drain line and pressure release flow passage and seals Connect fixing, constitute between low pressure line and low pressure flow passage be sealedly connected and fixed, film return duct and pressure accumulation flow passage it Between constitute and be sealedly connected and fixed；

(3), critical component number of assembling steps:

(1) protecgulum hollow axle is installed:

Hollow axle on protecgulum hollow axle is regulated interference fits at the nearly outer end, Front Cover Bearing hole on step and front motor cover plate, And the hollow pillow hole passed through on protecgulum hollow axle with hollow axle screw matches with the protecgulum screw on front motor cover plate, by front Hollow axle flange on lid hollow axle is close to fix with the protecgulum concave station face on front motor cover plate so that the sky on protecgulum hollow axle There is between overhanging section of outline of the rotating shaft of mandrel stepped hole and machine shaft high accuracy axiality and fix machine sealing assembly；

(2) no inner-ring bearing is installed:

First put among impeller stepped hole and cross stepped hole escape by impeller adjusting ring matched in clearance to be attached at the bottom of bearing hub bore On face；Again slight for the bearing outer ring on no inner-ring bearing interference fit is pressed among the impeller stepped hole on impeller bearing hub, Again impeller bore snap ring specific purpose tool is put into impeller draw-in groove so that bearing outer ring both sides against impeller bore snap ring respectively With impeller adjusting ring；

(3) connection between impeller bearing hub and machine shaft:

The bearing outer ring being fixed on impeller bearing hub is inserted in together with cylinder needle roller and is fixed on outer bearing and props up and hold round upper one Part, slowly rotates booster pump impeller so that the impeller splined hole on impeller bearing hub and the axle spline segment pair on machine shaft Standard matches, and continues to push against impeller bearing hub so that overall the propping up with outer bearing of the cylinder needle roller on bearing outer ring holds round complete phase Coordinate；

First take after step backing-up screw passes through axial positioning retainer ring centre bore and match with the axle head screw on machine shaft, then Match with the locking screw on impeller bearing hub pass through the positioning retainer ring through hole on axial positioning retainer ring with five back-up ring screws after Close, axial positioning retainer ring is also fastened on impeller bearing hub outer face；Finally pass through locking gear successively with a back-up ring screw Also match with the locking screw on impeller bearing hub after through hole on sheet and the positioning retainer ring through hole on axial positioning retainer ring；

(4), clip 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 clip 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；

(5), reverse osmosis seawater desalting Engineering Task process:

Low pressure suction pipe and moisturizing suction pipe are inserted into below pretreatment pool water surface 19-21 centimetre, start high pressure make-up pump, by mending Water absorption tube draws the pre-treating seawater in sea water preprocessing pond, successively through supplementing high-voltage tube, pipeline threeway and high pressure sea water inlet pipe After, it 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 that dams of 80.4% Being dammed by reverse osmosis membrane, wherein the process fresh water of 19.6% penetrates reverse osmosis membrane, enters among film water chamber, goes out pipe through desalination water It is transported to fresh water and lays in stand-by region；

Fail to pass through reverse osmosis membrane 80.4% the pressure accumulation sea water that dams through film return duct, enter into storage by pressure accumulation thimble connector Position, baric flow road, participates in the pressure accumulation sea water experience wave raising and lowering of damming of lower half among pressure-exchange passage A-M, Rotate to pressure release runner position along with exchanger rotor after pressure release, flow through release thimble connector, emit from drain line；

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 thimble connector, 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 thimble connector 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 effects of the present invention:

1, the present invention use clamp connection structure dismounting, easy to maintenance, particularly set up clip pressure-exchange promote pump, pressure The booster pump suction inlet promoted on clip pump portion is directly directed at, not only with the supercharging center round in clip pressure-exchange machine part Compact conformation, and, low pressure lift pump only needs to carry the pressure accounting for the pre-treating seawater participating in reverse osmosis membrane amount of work 80.4% High to 0.2 MPa (MPa), so that it may to complete there is the pressure accumulation sea water that dammed of 5.8 MPas (MPa) to realize pressure in film return duct Exchange, it is ensured that disc type thrust bearing motor only needs the pressure of the pre-treating seawater by accounting for amount of work 80.4% again from 5.8 MPas (MPa) 6.0 MPas (MPa) are brought up to；Account in the segmentation raising of the pre-treating seawater participating in reverse osmosis membrane amount of work 80.4% Pressure differential 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 chief engineer Work amount 19.6%, account for participate in reverse osmosis membrane amount of work 19.6% pre-treating seawater through high pressure make-up pump, direct from atmospheric pressure Bring up to 6.0 MPas (MPa)；Obviously, set up clip pressure-exchange promote pump reverse osmosis membrane Seawater Desalination Project with do not have Clip pressure-exchange promotes the reverse osmosis membrane Seawater Desalination Project of pump and compares, and the energy consumption obtaining unit fresh water reduces by 30% left side Right；

2, having impeller stepped hole and impeller splined hole on booster pump impeller, there is axle spline segment overhanging section of outer end of rotating shaft, and protecgulum is hollow Axle passes through motor-shaft extending hand-hole and is positioned at clip supercharging pump housing spiral case, and outer bearing props up to hold round and is combined with no inner-ring bearing, without interior Circle bearings impeller bearing hub, and hollow axle stepped hole is passed through in overhanging section of rotating shaft, and axle spline segment is mutually nibbled with impeller splined hole Close and overhanging for a rotating shaft section moment of torsion is passed to booster pump impeller；Said structure achieves machine shaft and fore bearing and rear bearing It is subjected to pure torsion, and radial force produced by spline engagement is born by no inner-ring bearing completely, be only operated at protecgulum empty In mandrel, it is entirely avoided radial force is born in overhanging section of the rotating shaft on machine shaft, improve disc type thrust bearing motor and use Life-span；

Clip 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 clip 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, the front motor cover plate among disc type thrust bearing motor also has the push shaft bearing bore of a fixed thrust bearing, thrust axis Hold another end face to be close on the outer face, side of rotor rack endoporus；Push shaft bearing bore is positioned at inner and fixed thrust bearing one Individual end face, has adjusting washer (disk) between another end face of thrust bearing and rotor rack endoporus outer face, has between stator and rotor The end face air gap of 2.5-2.7 millimeter；The benefit of this technology is: produce rotary magnetic when stator winding is passed through three-phase alternating current , this magnetic field is to pass axially through air gap, and cutting rotor winding, faradic current in rotor windings and produce torque, drive Rotor rotates output moment of torsion.

4, the outer bearing of aluminum alloy hard wear-resistant coating props up and holds round 289 surfaces, the no inner-ring bearing of combination zirconia ceramics 260, 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 that clip pressure-exchange promotes the boost in pressure clip pump portion in pump.

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

Fig. 4 is the operation principle schematic diagram of clip 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, interchange channel is radius, the fluid pressure energy exchange schematic flow sheet launched along rotation round R.

When Fig. 9 is pressure-exchange passage A-M rotation 1/12 circle in Fig. 8, when namely have rotated a channel position, respectively Two kinds of liquid present positions of 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 the independent enlarged drawing of front motor cover plate 220 in Fig. 2.

Figure 25 is the permanent profile (forward circulation status) crossing axial line to stream device 724 of the vertical clip in Fig. 1.

Figure 26 is that the vertical clip in Figure 25 is permanent is in reverse blocking state to stream device 724.

Figure 27 is the S-S sectional view in Figure 25.

Figure 28 is the upright spool 110 in Figure 25 or Figure 26.

Figure 29 is the cylindrical duct 120 in Figure 25 or Figure 26.

Figure 30 is the cross sectional view at low pressure line 723 in Figure 25 or Figure 26.

Figure 31 is the cross sectional view at low pressure suction pipe 711 in Figure 25 or Figure 26.

Figure 32 is the permanent profile forward circulation status crossing axial line to stream device 713 of the horizontal clip in Fig. 1.

Figure 33 is that the horizontal clip in Figure 32 is permanent is in reverse blocking state to stream device 713.

Figure 34 is W-W sectional view in Figure 32.

Figure 35 is horizontal clip valve body 630 axonometric chart in Figure 32 or Figure 37.

Figure 36 is the cross sectional view at moisturizing suction pipe 712 in Figure 32 or Figure 33.

Figure 37 is the cross sectional view at supplementary high-voltage tube 716 in Figure 32 or Figure 33.

Figure 38 is that rotation spool 620 axonometric chart in Figure 32 represents annular flow road junction 622.

Figure 39 is that rotation spool 620 axonometric chart in Figure 33 represents circular flow channel mouth 621.

Figure 40 is the profile at supercharging thimble connector 743 position in Fig. 1.

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 Figure 30, lower bolt and nut group 144 and the right half-watt of lower catch hoop 141 and the left half-watt of lower catch hoop 142 groups of two groups of assembled in pairs Dress schematic diagram.

In Figure 31, upper bolt and nut group 166 and the right half-watt of front band 161 and the left half-watt of front band of two groups of assembled in pairs 162 assemble schematic diagram.

In Figure 36, assembled in pairs is entered, by two groups of horizontal clips, the level that bolt and nut 677 fastens and is entered half-watt 641 He under clip Level enters the end view of half-watt 642 on clip.

In Figure 37, assembled in pairs is gone out, by two groups of horizontal clips, the level that bolt and nut 699 fastens and goes out clip lower half watt 671 He Level goes out the end view of clip upper half watt 672.

In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Figure 20, Figure 25, Figure 32 and Figure 40, apply zirconia ceramics Disc type thrust motor device for hooping processes sea water method, including 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 clip pressure-exchange elevator Pump, reverse osmosis membrane 720 both sides are respectively film intake antrum 718 and film water chamber 728, and clip pressure-exchange promotes has supercharging on pump Thimble connector 743, release thimble connector 746, low pressure thimble connector 747 and pressure accumulation thimble connector 749, pressure accumulation thimble connector 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 mouth right with pipeline threeway 769, supercharging thimble connector 743 and pipeline threeway 769 end opening it Between connected by conversion high-voltage tube 717, supplement high-voltage tube 716 two ends mouth left with pipeline threeway 769 respectively and horizontal clip permanent to Stream device 713 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 thimble connector 747 and vertical clip perseverance export airtight connection to stream device 724, and low pressure lift pump 722 is connected on low-voltage tube On road 723, release thimble connector 746 is connected to drain line 726；

Described supercharging thimble connector 743 includes volute outlet hoop 764, conversion high pressure hoop 767, paired supercharging clip Half-watt 762, volute outlet hoop 764 termination under half-watt 761 and supercharging clip in bolt and nut group 766 and supercharging clip Having volute outlet clip sealing surface 794, there is conversion high pressure card sealing surface 791 conversion high pressure hoop 767 termination, on supercharging clip Under half-watt 761 and supercharging clip, half-watt 762 is positioned on volute outlet hoop 764 and conversion high pressure hoop 767 simultaneously, by Under paired supercharging clamp bolt nut group 766 is to half-watt 761 on supercharging clip and supercharging clip, half-watt 762 synchronizes fastening, makes Obtain volute outlet clip sealing surface 794 and conversion high pressure card sealing surface 791 is close together to constitute and seals；

Vertical clip it is in series with permanent to stream device 724 between described low pressure lift pump 722 import and described low pressure suction pipe 711, Horizontal clip it is in series with permanent to stream device 713 between described high pressure make-up pump 714 import and described moisturizing suction pipe 712, described Clip pressure-exchange promote pump be made up of boost in pressure clip pump portion and clip pressure-exchange machine part, boost in pressure Clip pump is driven by disc type thrust bearing motor 710；

Described clip 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 thimble connector 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 thimble connector 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；

Having described pressure accumulation thimble connector 749 on trap water end cap 754 cylindrical, trap water end cap 754 has release card on outer face Hoop 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 thimble connector 749 imports with pressure accumulation to rotate and is connected by pressure accumulation runner 751 between domatic 512, release Thimble connector 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 clip pump portion includes the clip supercharging pump housing 730 and booster pump impeller 770, and with described disc type Thrust bearing motor 710 composition one, the clip supercharging pump housing 730 inner chamber has spiral case clip outlet 744, the clip supercharging pump housing Described supercharging thimble connector 743, the clip 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 described supercharging center round 732 is directed at supercharging pumping Mouth 731；

There is pump housing rear end face 200 on the clip supercharging pump housing 730, pump housing rear end face 200 has motor-shaft extending hand-hole 285 and electricity respectively Machine fixing threaded hole 204, front motor cover plate 220 outer rim has front shroud flange 201, front shroud flange 201 has front shroud through hole 207, there is motor seal pad 202 between front shroud flange 201 and pump housing rear end face 200, six motor flange screws 205 are successively It is connected fastening with motor fixing threaded hole 204 after passing through the sealing gasket through hole on front shroud through hole 207 and motor seal pad 202；

Front motor cover plate 220 is fixed on motor fixing threaded hole 204, and front motor cover plate 220 is fixed with protecgulum hollow axle 280, There are hollow axle stepped hole 284 and outer bearing to prop up on protecgulum hollow axle 280 and hold round 289, hollow axle stepped hole 284 and overhanging section of rotating shaft Organic sealing assembly 248 between 246；

There are impeller bearing hub 290, protecgulum hollow axle 280 to pass through motor-shaft extending hand-hole 285 on booster pump impeller 770 and are positioned at clip increasing In press pump body 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 impeller Bearing hub 290, rotating shaft passes through hollow axle stepped hole 284 for overhanging section 246, and rotating shaft delivers torque to booster pump leaf for overhanging section 246 Wheel 770；

Described outer bearing props up and holds round the aluminum alloy hard wear-resistant coating that 289 surfaces have a layer thickness to be 0.62 millimeter；Aluminium alloy The material of hard wear-resistant coating is elementary composition by following percentage by weight: Al:12%, Mo:3.8%, W:3.8%, Ni:2.7%, Cr:2.6%, Nb:2.5%, 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%；Aluminum alloy hard is resistance to The material Specifeca tion speeification of mill coating is: Rockwell hardness HRC value is 61；

The overall material of described no inner-ring bearing 260 is zirconia ceramics, with ZrO₂(zirconium dioxide) composite is base material, It is equipped with mineralizer MgO (magnesium oxide), BaCO₃(brium carbonate) and bonding clay form, and the percentage by weight of its each component contains Amount is ZrO₂:92.6；MgO:2.23%； BaCO₃: 2.85%, remaining is bonding clay；As improvement: the disc type in the present invention Thrust bearing motor 710 and critical component assembling process are as follows:

(1), disc type thrust bearing motor 710 assembles:

Front motor cover plate 220 among disc type thrust bearing motor 710 also has the push shaft bearing bore of a fixed thrust bearing 265 226, another end face of thrust bearing 265 is close on the outer face, side of rotor rack 232 endoporus；Push shaft bearing bore 226 is positioned at End and 265 1 end faces of fixed thrust bearing, between another end face of thrust bearing 265 and rotor rack 232 endoporus outer face There is adjusting washer (disk) 267, between stator 251 and rotor 252, have the end face air gap 275 of 2.6 millimeters；

Front motor cover plate 220 is fixed on outside motor by the protecgulum housing hole 239 that 8 protecgulum screws 221 pass through on front motor cover plate 220 Shell 210 front end face, rear end cap 230 is fixed on motor housing 210 by the bonnet housing hole that after 8, screw 231 passes through on rear end cap 230 Rear end face；

(2), thimble connector pipeline connects:

(1), supercharging thimble connector 743 connect, by volute outlet clip sealing surface 794 with conversion high pressure card sealing surface 791 align, Half-watt 762 under half-watt 761 on supercharging clip and supercharging clip is positioned at simultaneously volute outlet hoop 764 and conversion high pressure clip On 767, half-watt 762 under half-watt 761 on supercharging clip and supercharging clip is synchronized tightly by paired supercharging clamp bolt nut group 766 Gu so that volute outlet clip sealing surface 794 and conversion high pressure card sealing surface 791 composition that is close together are sealedly connected and fixed, Constitute standstill seal between conversion high-voltage tube 717 with spiral case clip outlet 744 and be connected fixing；

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

(3), critical component number of assembling steps:

(1) protecgulum hollow axle 280 is installed:

Outside near with the Front Cover Bearing hole 224 on front motor cover plate 220 for the hollow axle regulation step 882 on protecgulum hollow axle 280 Interference fits at end, and pass through the hollow pillow hole 805 on protecgulum hollow axle 280 and front motor cover plate with hollow axle screw 228 Protecgulum screw 227 on 220 matches, by the hollow axle flange 807 on protecgulum hollow axle 280 and front motor cover plate 220 Protecgulum concave station face 229 is close to fix so that the hollow axle stepped hole 284 on protecgulum hollow axle 280 and the rotating shaft of machine shaft 240 There is between overhanging section of 246 outlines high accuracy axiality and fix machine sealing assembly 248；

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

No inner-ring bearing 260 selects RNA type separate type no inner-ring bearing；

First stepped hole escape 293 is put among impeller stepped hole 296 and crossed to impeller adjusting ring 292 matched in clearance and be attached to axle Hold on 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 hub 290 On impeller stepped hole 296 among, then impeller bore snap ring 291 specific purpose tool is put into impeller draw-in groove 298 so that bearing Both sides, outer ring 269 against impeller bore snap ring 291 and impeller adjusting ring 292 respectively；

(3) connection between impeller bearing hub 290 and machine 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, slowly rotate booster pump impeller 770 so that the impeller splined hole 294 on impeller bearing hub 290 and electricity Axle spline segment 249 alignment in machine rotating shaft 240 matches, and continues to push against impeller bearing hub 290 so that on bearing outer ring 269 Cylinder 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 screw on machine shaft 240 247 match so that the axially positioning retainer ring 270 two parallel ribs 273 and axle spline segments 249 on step backing-up screw 274 One millimeter of axially free amount is had between outer face；

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；

(4), clip 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 clip 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 be respectively at together with the pressure accumulation sea water that dams with low pressure runner 742 and During pressure release runner 752 same position, the pressure accumulation sea water that dams that the pre-treating seawater of 0.2 MPa (MPa) pushes atmospheric pressure is downward Flow 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 clip outlet 744 and supercharging thimble connector 743 successively, Finally it is incorporated to high pressure sea water inlet pipe 719；

(5), reverse osmosis seawater desalting Engineering Task 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 thimble connector 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 thimble connector 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 thimble connector 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 thimble connector 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 24, the pre-treating seawater among pressure-exchange passage A-M and the pressure accumulation that dams Between sea water, contact surface can produce blending, learns that blending amount only accounts for participation reverse osmosis membrane 720 amount of work 1.4% after tested；Set up Clip pressure-exchange promotes pump, and the pressure accumulation sea water that dams of fail to pass through reverse osmosis membrane 720 80.4% obtains efficient recovery profit With, reach the effect of energy-saving and emission-reduction.

In embodiment:

One, set especially: no inner-ring bearing 260 selects RNA type separate type no inner-ring bearing structure.

Two, in Fig. 2, Figure 20, Figure 21, Figure 22, Figure 23 and Figure 24, described disc type thrust bearing motor 710 includes stator 251, rotor 252, machine shaft 240, motor housing 210, front motor cover plate 220 and rear end cap 230, outside motor housing 210 Leaded window 250 on wall, cable passes through lead-in wire window 250 and is connected to external control power supply；Front motor cover plate 220 and after End cap 230 is respectively fixedly connected with on face, motor housing 210 rear and front end, and stator 251 is fixed on the inboard face of front motor cover plate 220 On, rotor 252 is fixed on machine shaft 240, and machine shaft 240 is respectively supported at electricity by fore bearing 225 and rear bearing 235 On machine front shroud 220 and rear end cap 230；265 1 end faces of the most fixed thrust bearing of front motor cover plate 220, thrust bearing 265 Another end face is close on the outer face, side of rotor rack 232 endoporus；Equipped with bearing bonnet 233 on rear end cap 230, after bearing Lid 233 is fixed by screws on rear end cap 230, and the bonnet dead eye 234 on rear end cap 230 is stretched in bearing bonnet 233 the inner And prop up rear bearing 235；Front motor cover plate 220 is fixed with protecgulum hollow axle 280, and protecgulum hollow axle 280 is fixed by screws in On front motor cover plate 220, before hollow axle regulation step 882 the inner on protecgulum hollow axle 280 is stretched on front motor cover plate 220 Lid dead eye 224 also props up fore bearing 225；One is had without inner ring axle between protecgulum hollow axle 280 outer end and impeller bearing hub 290 Hold 260.

Rotor 252 is contained on rotor rack 232, and rotor rack 232 endoporus is fixedly connected on the maximum gauge on machine shaft 240 Place and have flat key 214 to transmit torque axis subrack 232；Protecgulum screw 221 is had to be fixed on motor housing 210 on front motor cover plate 220 On front end face, front motor cover plate 220 centrage has Front Cover Bearing hole 224 and push shaft bearing bore 226, Front Cover Bearing hole 224 respectively It is positioned at outer end and fixed fore bearing 225 cylindrical, the axle fore bearing section 245 of the fixed machine shaft of fore bearing 225 endoporus 240； Push shaft bearing bore 226 is positioned in inner and fixed thrust bearing 265 end face, thrust bearing 265 other end and rotor rack 232 There is adjusting washer (disk) 267 between outer end of hole face, between stator 251 and rotor 252, have the end face air gap 275 of 2.6 millimeters；Rear end cap Have rear screw 231 to be fixed on motor housing 210 rear end face on 230, fixed on the bonnet dead eye 234 of rear end cap 230 after Bearing 235 cylindrical, the axle rear bearing section 243 of the fixed machine shaft of rear bearing 235 endoporus 240；Axle rear bearing section 243 and motor Rotating shaft shoulder block 236 is had between maximum gauge in rotating shaft 240；

Rotor 252 is contained on rotor rack 232, rotor rack 232 endoporus be fixedly connected at the maximum gauge on machine shaft 240 and Flat key 214 is had to transmit torque axis subrack 232；Protecgulum screw 221 is had to be fixed on motor housing 210 front end on front motor cover plate 220 On face, front motor cover plate 220 centrage having Front Cover Bearing hole 224 and push shaft bearing bore 226 respectively, Front Cover Bearing hole 224 is positioned at Outer end and fixed fore bearing 225 cylindrical, the axle fore bearing section 245 of the fixed machine shaft of fore bearing 225 endoporus 240；Push shaft Bearing bore 226 is positioned at inner and fixed thrust bearing 265 end face, outside thrust bearing 265 other end is with rotor rack 232 endoporus There is adjusting washer (disk) 267 between end face, between stator 251 and rotor 252, have the end face air gap 275 of 2.6 millimeters；On rear end cap 230 Rear screw 231 is had to be fixed on motor housing 210 rear end face, fixed rear bearing on the bonnet dead eye 234 of rear end cap 230 235 cylindricals, the axle rear bearing section 243 of the fixed machine shaft of rear bearing 235 endoporus 240；Axle rear bearing section 243 and machine shaft Rotating shaft shoulder block 236 is had between maximum gauge on 240.

Three, in Figure 25, Figure 26, Figure 27, Figure 28 and Figure 29, to stream device 724, described vertical clip is permanent includes that lower catch hoop connects Head hemispherical Shell 190, front band joint hemispherical Shell 180, cylindrical duct 120, upright spool 110 and lower catch hoop assembly and front band group Part, cylindrical duct 120 has pipe cylindrical 123 and pipe inner circle 121 and pipe upper surface 128 and pipe lower surface 129；

Lower catch hoop assembly is by 144 groups of bolt and nut group under the right half-watt of lower catch hoop 141 and the left half-watt of lower catch hoop 142 and two groups Become, have the right Double-conical-surface of lower hoop 145 inside the right half-watt of lower catch hoop 141, inside the left half-watt of lower catch hoop 142, have the left Double-conical-surface of lower hoop 147； Front band assembly is made up of bolt and nut group 166 on the right half-watt of front band 161 and the left half-watt of front band 162 and two groups, on There is the right Double-conical-surface of upper hoop 165 inside the right half-watt of clip 161, inside the left half-watt of front band 162, have the left Double-conical-surface of upper hoop 167；

Described low pressure suction pipe 711 upper end has vertical clip inlet side plane 139, vertical clip inlet side plane 139 to be backed with vertical Straight clip enters the conical surface 134；Described low pressure line 723 lower end has vertical clip to go out transverse plane 138, and vertical clip goes out transverse plane 138 are backed with vertical clip goes out the conical surface 136；

Described lower catch hoop joint hemispherical Shell 190 is connected to circular hole inlet tube 195, and there is lower pipe clip circular hole inlet tube 195 lower end Transverse plane 192, lower pipe clip transverse plane 192 is backed with down tube back cone 191；Vertical clip enters the conical surface 134 and down tube back cone 191 is symmetrical, and it is left with the described right Double-conical-surface of lower hoop 145 and lower hoop together with down tube back cone 191 that vertical clip enters the conical surface 134 Double-conical-surface 147 simultaneously constitutes clearance fit, bolt and nut group 144 under two groups fasten so that lower pipe clip transverse plane 192 with hang down It is adjacent to seal between straight clip inlet side plane 139；Described front band joint hemispherical Shell 180 is connected to circular hole outlet 185, Circular hole outlet 185 lower end has upper pipe clip transverse plane 182, upper pipe clip transverse plane 182 to be backed with pipe back cone 181；Hang down It is symmetrical with upper pipe back cone 181 that straight clip goes out the conical surface 136, vertical clip go out the conical surface 136 together with upper pipe back cone 181 with institute The right Double-conical-surface of upper hoop 165 and the left Double-conical-surface of upper hoop 167 stated simultaneously constitute clearance fit, tight by bolt and nut group 166 on two groups Gu so that upper pipe clip transverse plane 182 goes out with vertical clip to be adjacent between transverse plane 138 seal；

Upper ten gear teeth flanges 189 are had, on described lower catch hoop joint hemispherical Shell 190 on described front band joint hemispherical Shell 180 There are ten gear teeth flanges 198 down, down by ten groups of valve casing bolt and nut groups 140 between ten gear teeth flanges 198 and upper ten gear teeth flanges 189 Seal location fixing；

There is lower interior hemisphere face 196 on described lower catch hoop joint hemispherical Shell 190, lower interior hemisphere face 196 have recessed circular groove 193, Low groove baseplane 194 is had bottom recessed circular groove 193；Upper interior hemisphere face 187 is had on described front band joint hemispherical Shell 180, There is fovea superior circular groove 183 on hemisphere face 187 in upper, bottom fovea superior circular groove 183, have upper groove baseplane 184；Recessed circular groove 193 inner circle And it is interference fits between pipe cylindrical 123, for being in sealing contact between low groove baseplane 194 and pipe lower surface 129；Fovea superior It is interference fits between circular groove 183 inner circle and pipe cylindrical 123, is close between upper groove baseplane 184 and pipe upper surface 128 Sealing-in is touched；

Sphere on spool outer ring 112, spool cavity wall 111, spool lower peripheral surface 115 and spool is had on described upright spool 110 117, spool lower peripheral surface 115 has spool annular aperture 119, spool has on sphere 117 spool round shape hole 118, spool outer ring 112 Inner side is medial wall, outer ring 113；

Described pipe inner circle 121 and spool outer ring 112 cylindrical between be clearance fit, spool lower peripheral surface 115 subsequent corrosion Identical with described lower interior hemisphere face 196 subsequent corrosion it coincide, sphere 117 subsequent corrosion and described upper interior hemisphere on spool Face 187 subsequent corrosion is identical coincide；It it is annular two even muscle circular jet road 157 between spool annular aperture 119 and spool round shape hole 118 Connecting, described annular two has two to connect muscle gripper shoe 114 on even muscle circular jet road 157；Inside described two even muscle gripper shoe 114 Face is fixedly connected on described spool cavity wall 111, and described two even muscle gripper shoe 114 lateral surface is fixedly connected in outer ring On sidewall 113；Described spool cavity wall 111 lower end is connected to spool lower peripheral surface 115, has work in spool lower peripheral surface 115 in the heart Skill screw 151, interior hexagonal blocking 154 has blocking external screw thread 152, blocks airtight between external screw thread 152 and technique screw 151 joining Close and form spool internal cavity 156；

In described two even muscle gripper shoe 114 single leaf thickness is described spool round shape hole 118 diameter 1/15 to 1/16, institute Two stated even a length of 322 to 328 millimeters of muscle gripper shoe 114；Seal groove 177 on spool are had on sphere 117 on described spool, Seal groove 177 fixed spool upper sealing ring 178 on spool, on described spool, seal groove 177 diameter is more than described spool Round shape hole 118 internal diameter, described spool round shape hole 118 internal diameter is equal with described circular hole outlet 185 internal diameter；Described spool Spool lower seal groove cavity 155, spool lower seal groove cavity 155 fixed spool lower sealing ring 159, described spool is had on lower peripheral surface 115 Lower seal groove cavity 155 diameter is less 19 millimeters than described spool annular aperture 119 annular diameters, and described spool lower seal groove cavity 155 is straight Footpath is than big 43 millimeters described of circular hole inlet tube 195 flow diameter.

Four, in Figure 32, Figure 33, Figure 34, Figure 35, Figure 36, Figure 37, Figure 38 and Figure 39, described horizontal clip is permanent to stream device 713 include that cylinder axis 610, rotation spool 620, horizontal clip valve body 630, trip bolt 670, outer end cap 690 and clip enter Assembly and clip go out assembly, and clip enters assembly and entered half-watt 641 and level under clip by level and enter on clip half-watt 642 and two groups Horizontal clip enters bolt and nut 677 and is formed, and level is entered Double-conical-surface 645 under clip inside half-watt 641 under clip, level is entered Double-conical-surface 675 on clip are had inside half-watt 642 on clip；Clip goes out assembly and is gone out clip lower half watt 671 by level and level goes out On clip, half-watt 672 and two groups of horizontal clips go out bolt and nut 699 and are formed, and level goes out to be had inside clip lower half watt 671 Double-conical-surface 678 under clip, level goes out Double-conical-surface 695 on clip inside clip upper half watt 672；

Described moisturizing suction pipe 712 right end has horizontal clip inlet side plane 653, horizontal clip inlet side plane 653 to be backed with benefit The water pipe clip conical surface 654；Described supplementary high-voltage tube 716 left end head has horizontal clip to go out transverse plane 693, and horizontal clip goes out to hold level with both hands Face 693 is backed with horizontal clip and goes out the conical surface 694；

Valve body inletpiston hard layer 638 and valve outlet plane hard layer 639, valve is had in described horizontal clip valve body 630 It is inner that body inletpiston hard layer 638 is connected to import bend pipe 632, and valve outlet plane hard layer 639 is connected to outlet elbow 631 is inner, and outlet elbow 631 and import bend pipe 632 outer end have valve inlet pipe plane 635 and valve to go out pipe plane 679, valve inlet pipe respectively Plane 635 is backed with horizontal clip and enters the conical surface 634, and valve goes out pipe plane 679 and is backed with horizontal clip and goes out the conical surface 694；Horizontal clip Enter the conical surface 634 symmetrical with the filling pipe clip conical surface 654, horizontal clip enter the conical surface 634 together with the filling pipe clip conical surface 654 with Described enter under clip Double-conical-surface 645 and enter Double-conical-surface 675 on clip and simultaneously constitute clearance fit, two groups of horizontal clips entering spiral shell Bolt nut 677 fastens so that be adjacent between valve inlet pipe plane 635 and horizontal clip inlet side plane 653 seal；Horizontal clip goes out cone Face 694 is symmetrical with the high-voltage tube clip conical surface 674, and horizontal clip goes out the conical surface 694 together with the high-voltage tube clip conical surface 674 with described Go out under clip Double-conical-surface 678 and go out Double-conical-surface 695 on clip and simultaneously constitute clearance fit, two groups of horizontal clips go out bolt spiral shell Female 699 fastenings so that valve goes out pipe plane 679 and horizontal clip goes out to be adjacent between transverse plane 693 seal；Described valve body import is put down Face hard layer 638 is connected with valve body sector cancave cambered surface 663 with the top edge of valve outlet plane hard layer 639, described valve Body inletpiston hard layer 638 is connected with valve body circle cancave cambered surface 662 with the lower limb of valve outlet plane hard layer 639, institute It is respectively arranged with screw hole 627 in the valve body-side plane 636 of horizontal clip valve body 630 both sides stated；Have on two described outer end caps 690 The end cap counterbore 697 corresponding with described screw hole 627；Described trip bolt 670 through described end cap counterbore 697 with Described screw hole 627 fastening matches, by end cap inner plane 698 and the described valve body-side plane of described outer end cap 690 636 be close to airtight；

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 runner 688 is had to be connected between described annular flow road junction 622 and described circular flow channel mouth 621；Described change Have between bend flow channel cone 624 part and described spool fan-shaped cylinder 625 that shape runner 688 is contained and be connected five muscle 644 It is connected.

Five, hollow axle regulation step 882 cylindrical and outer bearing prop up and hold round the axiality between 289 with six grades of tolerance grades Relation；There is protecgulum concave station face 229 on front motor cover plate 220 lateral surface, protecgulum concave station face 229 has six protecgulum screws 227, empty There are six hollow pillow holes 805 corresponding with protecgulum screw 227 on spindle flanges 807；Hollow axle screw 228 passes through hollow pillow Matching with protecgulum screw 227 in hole 805, is fixed on by protecgulum hollow axle 280 on protecgulum concave station face 229；Protecgulum concave station face 229 with There is between Front Cover Bearing hole 224 the perpendicularity relation of six grades of tolerance grades；Hollow axle regulation step on protecgulum hollow axle 280 882 the inners are stretched into Front Cover Bearing hole 224 and prop up fore bearing 225；Between protecgulum hollow axle 280 outer end and impeller bearing hub 290 There is a no inner-ring bearing 260.

There is free spindle flanges 807 on protecgulum hollow axle 280, have outer bearing to prop up outside hollow axle flange 807 and hold round 289 and empty Mandrel through hole 804, has hollow axle stepped hole 284 and hollow axle regulation step 882 inside hollow axle flange 807, hollow axle regulates It is interference fits between step 882 cylindrical and Front Cover Bearing hole 224, hollow axle regulation step 882 has sealing ring draw-in groove 809, There is hollow axle sealing ring 209 on sealing ring draw-in groove 809, constitute quiet close between hollow axle sealing ring 209 and Front Cover Bearing hole 224 Envelope；Composition static seal between electricity secret seal 208 and front motor cover plate 220 is had on motor housing 210 end face；Hollow axle stepped hole Organic envelope dismounting groove 808 between 284 and hollow axle through hole 804, it is simple to specific purpose tool demountor sealing assembly 248.

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.

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 leaf In wheel stepped hole 296, cylinder needle roller 268 props up at bearing outer ring 269 and outer bearing and holds round between 289.

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

Claims (1)

1. application zirconia ceramics disc type thrust motor device for hooping processes sea water method, and this device 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 clip pressure-exchange promote pump, reverse osmosis membrane (720) both sides are respectively film intake antrum (718) and film water chamber (728), clip pressure-exchange promotes has supercharging thimble connector (743), release thimble connector on pump (746), low pressure thimble connector (747) and pressure accumulation thimble connector (749)；

Described supercharging thimble connector (743) includes volute outlet hoop (764), conversion high pressure hoop (767), increases in pairs Half-watt (762), volute outlet card under half-watt (761) and supercharging clip in pressure clamp bolt nut group (766) and supercharging clip Hoop head (764) termination has volute outlet clip sealing surface (794), conversion high pressure hoop (767) termination to have conversion high pressure Herba Carlinae biebersteinii Front cover (791), on supercharging clip, under half-watt (761) and supercharging clip, half-watt (762) is positioned at volute outlet hoop (764) simultaneously With in conversion high pressure hoop (767), by means of paired supercharging clamp bolt nut group (766) to half-watt on supercharging clip (761) half-watt (762) synchronizes fastening and under supercharging clip so that volute outlet clip sealing surface (794) and conversion high pressure Herba Carlinae biebersteinii Front cover (791) is close together to constitute and seals；

Vertical clip it is in series with permanent to stream device between described low pressure lift pump (722) import and described low pressure suction pipe (711) (724) horizontal clip it is in series with between, described high pressure make-up pump (714) import and described moisturizing suction pipe (712) permanent to stream Device (713), described clip pressure-exchange promotes pump by boost in pressure clip pump portion and clip pressure-exchange machine part institute Composition, boost in pressure clip pump by disc type thrust bearing motor (710) drive, in disc type II type explosion separation motor (710) without interior The overall material of circle bearing (260) is zirconia ceramics, it is characterized in that: described disc type thrust bearing motor (710) and key Parts assemble and pressure-exchange principle and reverse osmosis seawater desalting Engineering Task process as follows:

(1), disc type thrust bearing motor (710) assembles:

Front motor cover plate (220) among disc type thrust bearing motor (710) also has pushing away of fixed thrust bearing (265) Dead eye (226), thrust bearing (265) another end face is close on the outer face, side of rotor rack (232) endoporus；Thrust bearing Hole (226) is positioned at (265) end faces of inner and fixed thrust bearing, thrust bearing (265) another end face and rotor rack (232) there is adjusting washer (disk) (267) between endoporus outer face, between stator (251) and rotor (252), have the end of 2.5-2.7 millimeter Face air gap (275)；

(2), thimble connector pipeline connects:

(1), supercharging thimble connector (743) connects, by volute outlet clip sealing surface (794) and conversion high pressure card sealing surface (791) alignment, is positioned at half-watt (762) under half-watt (761) on supercharging clip and supercharging clip in volute outlet hoop simultaneously (764) and in conversion high pressure hoop (767), paired supercharging clamp bolt nut group (766) is to half-watt (761) on supercharging clip Fastening is synchronized so that volute outlet clip sealing surface (794) and conversion high pressure card sealing surface with half-watt (762) under supercharging clip (791) composition that is close together is sealedly connected and fixed, and constitutes quiet between conversion high-voltage tube (717) and spiral case clip outlet (744) Only it is sealedly connected and fixed；

(2) as supercharging bump joint (743) connected mode, respectively by release thimble connector (746), low pressure thimble connector (747) and the pipeline of pressure accumulation thimble connector (749) and its both sides, position carries out clamp connection so that drain line (726) Constitute between connecting with pressure release runner (752) and be sealedly connected and fixed, between low pressure line (723) connects with low pressure runner (742) Constitute be sealedly connected and fixed, film return duct (727) constitutes between connecting with pressure accumulation runner (751) and is sealedly connected and 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) and the Front Cover Bearing hole on front motor cover plate (220) (224) interference fits at nearly outer end, and the hollow pillow hole on protecgulum hollow axle (280) is passed through with hollow axle screw (228) (805) match with the protecgulum screw (227) on front motor cover plate (220), by the hollow axle flange on protecgulum hollow axle (280) (807) it is close to fix with the protecgulum concave station face (229) on front motor cover plate (220) so that hollow on protecgulum hollow axle (280) There is between overhanging section of (246) outline of the rotating shaft of axle stepped hole (284) and machine shaft (240) high accuracy axiality fix Machine sealing assembly (248)；

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

First impeller adjusting ring (292) matched in clearance put among impeller stepped hole (296) and cross stepped hole escape (293) It is attached on bearing hub bore bottom surface (295)；Again by the interference fit press-in slightly of the bearing outer ring (269) on no inner-ring bearing (260) Among impeller stepped hole (296) on impeller bearing hub (290), then impeller bore snap ring (291) is put into leaf with specific purpose tool In wheel draw-in groove (298) so that bearing outer ring (269) both sides against impeller bore snap ring (291) and impeller adjusting ring respectively (292)；

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

The bearing outer ring (269) being fixed on impeller bearing hub (290) is inserted in together with cylinder needle roller (268) outside being fixed on Last point of bearings circle (289), slowly rotates booster pump impeller (770) so that the impeller flower on impeller bearing hub (290) Keyhole (294) is directed at the axle spline segment (249) on machine shaft (240) and matches, and continues to push against impeller bearing hub (290), Overall the propping up with outer bearing of cylinder needle roller (268) on bearing outer ring (269) is made to hold 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 on machine shaft (240) End screw (247) matches, then passes through the positioning retainer ring through hole on axial positioning retainer ring (270) with five back-up ring screws (277) Match with the locking screw (297) on impeller bearing hub (290) afterwards, axial positioning retainer ring (270) is also fastened to impeller axle Hold on hub (290) outer face；Finally pass through the through hole on locking catch (271) successively with axial with a back-up ring screw (277) Also match with the locking screw (297) on impeller bearing hub (290) after positioning retainer ring through hole on positioning retainer ring (270)；

(4), clip 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 clip 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；

(5), reverse osmosis seawater desalting Engineering Task process:

Low pressure suction pipe (711) and moisturizing suction pipe (712) are inserted into 19-21 centimetre, pretreatment pool water surface (721) lower section, start 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 supplementing After high-voltage tube (716), 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；

When the pressure of the pre-treating seawater in film intake antrum (718) reaches 6.0 MPas (MPa), the wherein pressure accumulation that dams of 80.4% Sea water is dammed by reverse osmosis membrane (720), and wherein the process fresh water of 19.6% penetrates reverse osmosis membrane (720), enters film water chamber (728), among, 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) 80.4% the pressure accumulation sea water that dams through film return duct (727), connect by pressure accumulation clip Head (749) enters into pressure accumulation runner (751) position, participates in the pressure accumulation sea water that dams of lower half among pressure-exchange passage A-M Experience wave raising and lowering, rotates to pressure release runner (752) position along with exchanger rotor (740) after pressure release, flows through and unload Pressure thimble connector (746), emits from drain line (726)；

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 thimble connector (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 thimble connector (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.