CN106082479A - Nickel alloy mouse cage flameproof motor desalinization thimble connector equipment - Google Patents

Abstract

nullThe invention belongs to Yu Haiyang and obtain fresh water special equipment，Nickel alloy mouse cage flameproof motor desalinization thimble connector equipment，Supercharging thimble connector includes volute outlet hoop、Conversion high pressure hoop、In pairs half-watt under half-watt and supercharging clip on supercharging clamp bolt nut group and supercharging clip，There is volute outlet clip sealing surface volute outlet hoop termination，There is conversion high pressure card sealing surface conversion high pressure hoop termination，On supercharging clip, under half-watt and supercharging clip, half-watt is positioned on volute outlet hoop and conversion high pressure hoop simultaneously，As improvement: be in series with horizontal clip between low pressure lift pump import and low pressure suction pipe permanent to stream device，Vertical clip it is in series with permanent to stream device between high pressure make-up pump import and moisturizing suction pipe，Clip pressure-exchange promotes pump and is made up of boost in pressure clip pump portion and clip pressure-exchange machine part，Boost in pressure clip pump is driven by mouse cage II type flame-proof electric motor；Use clip pump attachment structure dismounting, easy to maintenance.

Description

Nickel alloy mouse cage flameproof motor desalinization thimble connector equipment

Technical field

The invention belongs to Yu Haiyang and obtain fresh water special equipment, be specifically related in reverse osmosis seawater desalination system set up pressure and hand over Change the nickel alloy mouse cage flameproof motor desalinization thimble connector equipment promoting pump.

Background technology

Along with scientific and technological progress, population is increasing, and people are the strongest to the hope of ocean development, and desalinization processes Increasingly 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.As: in The reverse osmosis desalination device of state's license notification number CN 101041484 B band energy regenerating；Chinese patent mandate is public Announcement CN 100341609 C reverse osmosis sea water desalting energy recovery device multiple tracks pressure switcher etc..The world today is at sea water The pressure exchanger that desalination field liquid energy recycles mainly has following three kinds:

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

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

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

Summary of the invention

It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of sea water desalting equipment, equipped with clip pressure Exchange promotes pump, and pressure-exchange efficiency can be made to improve, and system structure is compacter, also eliminates switch valve etc. and controls unit Part, is finally reached and investment and daily management maintenance cost is greatly reduced.By the following technical solutions:

Nickel alloy mouse cage flameproof motor desalinization thimble connector equipment, carries including sea water preprocessing pond, low pressure suction pipe, low pressure Rise pump, moisturizing suction pipe, high pressure make-up pump, pipeline threeway, reverse osmosis membrane and clip pressure-exchange and promote pump, reverse osmosis membrane two Side is 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, be connected by film return duct between pressure accumulation thimble connector with 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 thimble connector with Being connected by conversion high-voltage tube between pipeline threeway side port, the series connection of high pressure make-up pump is positioned on supplementary high-voltage tube, supplements high-voltage tube even Being connected to pipeline threeway end opening, low pressure lift pump outlet is connected by low pressure line between low pressure thimble connector, release thimble connector It is connected to drain line；

Described supercharging thimble connector includes volute outlet hoop, conversion high pressure hoop, paired supercharging clamp bolt nut Half-watt under half-watt and supercharging clip in group and supercharging clip, there is volute outlet clip sealing surface volute outlet hoop termination, There is conversion high pressure card sealing surface conversion high pressure hoop termination, and on supercharging clip, under half-watt and supercharging clip, half-watt is positioned at snail simultaneously On shell outlet hoop and conversion high pressure hoop, by means of paired supercharging clamp bolt nut group to half-watt on supercharging clip and Under supercharging clip, half-watt synchronizes fastening so that volute outlet clip sealing surface is close together composition with conversion high pressure card sealing surface Seal, as improvement:

Horizontal 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 Vertical 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 explosion-proof by mouse cage II type Motor-driven；

Described clip pressure-exchange machine part includes exchanger rotor, exchanger urceolus and pretreated water end cap and trap water End cap, exchanger rotor has two ends of rotor face and rotor outer circle, is rotatable between rotor outer circle and exchanger urceolus inner circle It is slidably matched, exchanger rotor has pressure-exchange passage A-M and the rotor center through hole of circumference annular configuration；

Described boost in pressure clip pump portion includes the clip pump supercharging pump housing and booster pump impeller, and with described mouse cage II type Flame-proof electric motor composition one, clip pump booster pump intracoelomic cavity has spiral case clip pump discharge, outside clip pump supercharging pump housing radial direction Described supercharging thimble connector, clip pump supercharging pump housing front end face is had to have booster pump suction inlet and overall fixing threaded hole respectively on exterior feature, Having through hole corresponding with overall fixing threaded hole on supercharging ring flange, the through hole that trip bolt passes through on supercharging ring flange is solid with entirety Determine screw to coordinate, supercharging center round is directed at booster pump suction inlet；

Described outer bearing supports the nickel alloy hard wear-resistant coating that circular surfaces has a layer thickness to be 0.60 0.62 millimeters；Nickel closes Elementary composition by following percentage by weight of material of gold hard wear-resistant coating: Ni:15 17 %, Nb:3.4 3.6%, Mo: 2.7 2.9%, W:2.4 2.6%, Cr:2.3 2.5%, Ti:2.1 2.3%, C:1.1 1.3%, surplus is Fe and can not keep away The impurity exempted from；The weight percent content of described impurity is: Sn less than 0.07%, Si less than 0.21%, Mn less than 0.028%, S Less than 0.013%, P is less than 0.017%；The material Specifeca tion speeification of nickel alloy hard wear-resistant coating is: Rockwell hardness HRC value It is 61 63；

Described no inner-ring bearing entirety material is silicon nitride ceramics, with Si₃N₄(silicon nitride) is base material, is equipped with mineralising Agent MgO (magnesium oxide), BaCO₃(brium carbonate) and bonding clay form, and the weight percent content of its each component is Si₃N₄:93.4—93.6%； MgO:2.67—2.69%； BaCO₃:2.71—2.73%；Remaining is bonding clay.

As improving further: described mouse cage II type flame-proof electric motor includes motor casing, motor front cover plate, electricity Motivation back shroud, motor rotary shaft, lead-in wire plug screw, stator and rotor, stator is fixed on motor casing endoporus, and rotor is fixed At motor rotary shaft maximum gauge and corresponding with position of stator, motor front cover plate there is protecgulum screw be fixed on motor Case nose face, fixed fore bearing cylindrical on the Front Cover Bearing hole on motor front cover plate, fore bearing endoporus is fixed electronic The bearing leading portion axle of machine rotating shaft；Rear screw is had to be fixed on motor casing rear end face, motor back shroud on motor back shroud On bonnet centre bore on fixed rear bearing cylindrical, the bearing back segment axle of the fixed motor rotary shaft of rear bearing endoporus, bearing Back segment shaft rear end has shaft end, fixed electric motor fan blade on shaft end, and fan blade outer housing is fixed on outside motor back shroud On circle；Connecing in motor casing and be fixedly connected with rosette at lead outlet, wired box end cap on rosette outer end, go between spiral shell Plug is positioned on line box end cap, and external lead wire passes through lead-in wire plug screw.

Beneficial effects of the present invention:

1, the present invention use clip pump attachment structure dismounting, easy to maintenance, particularly set up clip pressure-exchange promote pump, pressure The booster pump suction inlet that power promotes on clip pump portion is directly directed at, no with the supercharging center round in clip pressure-exchange machine part But compact conformation, and the reverse osmosis membrane Seawater Desalination Project setting up clip pressure-exchange lifting pump is handed over not having clip pressure The reverse osmosis membrane Seawater Desalination Project changing lifting pump compares, and the energy consumption obtaining unit fresh water reduces about 30%.

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

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, horizontal clip it is in series with between low pressure line and low pressure suction pipe permanent to stream device, annular flow road junction and circular flow channel mouth Between have deformation runner to be connected this special setting, it is ensured that the high voltage transient sea water in low pressure runner will not produce the most inverse Stream, operates safe and reliable；It is sensitive that the permanent rotation spool in stream device of horizontal clip possesses rotation, annular flow road junction and circular flow channel Deformation runner is had to be connected this special setting between Kou so that horizontal clip is permanent does not has spring-like in stream device global facility Etc. any obstruction part, can be achieved with permanent to flowing function, completely eliminate because the pipeline fittings fault on low pressure suction pipe affects The hidden danger that the present invention breaks down.

4, vertical clip it is in series with between the import of high pressure make-up pump with moisturizing suction pipe permanent to flowing device, this special setting, really The high pressure sea water protecting 6 MPas (MPa) supplementing in high-voltage tube will not produce reverse counterflow, operates safe and reliable.Vertical clip is permanent Ring cavity in stream device is arranged so that it is permanent within stream device that mobile spool is suspended in vertical clip, and mobile spool entirety is hanged Floating structure is allowed to be possessed unlatching, closes agility；Make that vertical clip is permanent does not has spring-like etc. any in stream device global facility Hinder part, can be achieved with permanent to flowing function, completely eliminate because the pipeline fittings fault on moisturizing suction pipe affects the present invention The hidden danger of normal work.

5, mouse cage II type flame-proof electric motor have employed line box dividing plate and rosette is isolated into two seals completely along pipe range direction The first cavity closed and the technical scheme of the second cavity, connect on termination by interior connecing in lead-in wire is connected on connection bolt, external Lead-in wire passes through the runners circular hole on lead-in wire plug screw successively and seals the corresponding wiring spiral shell being connected to be positioned at the second cavity after hole is enclosed On external termination on bolt, owing to the two ends of connection bolt lay respectively in two airtight cavitys, it is possible to be effectively isolated The leakage of electric spark.Among hexagonal in the runners on special inner hexagon spanner insertion lead-in wire plug screw, by outer for lead-in wire plug screw spiral shell Stricture of vagina is tightened with line box end cap female thread so that sealing hole is airtight after enclosing compressive deformation holds external lead wire tightly.Spiral shell in online box end cap Stricture of vagina baseplane is provided with sealing hole circle and carries out secondary isolation electric spark, avoids electric spark to reveal further, and flame proof is effective, safety Performance is high.

6, the outer bearing of nickel alloy hard wear-resistant coating supports circular surfaces, the no inner-ring bearing of combination silicon nitride ceramics, resists Corrosivity and wearability are all eager to excel more than 19.3% 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, in figure outside motor Shell 210 is semi-section.

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, power interchange channel is radius, the fluid pressure energy exchange schematic flow sheet launched along rotation round R.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Figure 25 is the rosette 275 enlarged local section schematic diagram in Fig. 2.

Figure 26 is lead-in wire plug screw 250 side view in Figure 25.

Figure 27 is the permanent profile (forward circulation status) crossing axial line to stream device 724 of vertical clip.

Figure 28 is that in Figure 27, vertical clip is permanent is in reverse blocking state to stream device 724.

Figure 29 is the mobile spool sectional axonometric drawing in Figure 27 or Figure 28.

Figure 30 is the mobile spool profile in Figure 27 or Figure 28.

Figure 31 is the cross sectional view at low pressure line 723 in Figure 27 or Figure 28.

Figure 32 is the cross sectional view at low pressure suction pipe 711 in Figure 27 or Figure 28.

Figure 33 is X X sectional view in Figure 27.

Figure 34 is Y Y sectional view in Figure 27.

Figure 35 is Z Z sectional view in Figure 27.

Figure 36 is the permanent profile forward circulation status crossing axial line to stream device 713 of the horizontal clip in Fig. 1.

Figure 37 is that the horizontal clip in Figure 36 is permanent is in reverse blocking state to stream device 713.

Figure 38 is W-W sectional view in Figure 36.

Figure 39 is horizontal clip valve body 630 axonometric chart in Figure 36 or Figure 37.

Figure 40 is the cross sectional view at moisturizing suction pipe 712 in Figure 36 or Figure 37.

Figure 41 is the cross sectional view at supplementary high-voltage tube 716 in Figure 36 or Figure 37.

Figure 42 is that rotation spool 620 axonometric chart in Figure 36 represents annular flow road junction 622.

Figure 43 is that rotation spool 620 axonometric chart in Figure 36 represents circular flow channel mouth 621.

Figure 44 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 Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Figure 20, Figure 27, Figure 36 and Figure 44, nickel alloy mouse cage flame proof is electronic Machine desalinization thimble connector equipment, 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 promote pump, reverse osmosis membrane 720 Both sides are respectively film intake antrum 718 and film water chamber 728, clip pressure-exchange lifting pump has supercharging thimble connector 743, unloads Pressure thimble connector 746, low pressure thimble connector 747 and pressure accumulation thimble connector 749, pressure accumulation thimble connector 749 and film intake antrum 718 it Between connected by film return duct 727, film water chamber 728 is connected to desalination water and goes out pipe 729, film intake antrum 718 with in pipeline threeway 769 Connected by high pressure sea water inlet pipe 719 between Kou, by conversion high-voltage tube between supercharging thimble connector 743 and pipeline threeway 769 side port 717 connect, and supplement high-voltage tube 716 two ends and export airtight with pipeline threeway 769 end opening and vertical clip perseverance to stream device 724 respectively Connecting, 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 horizontal clip is permanent exports airtight connection to stream device 713, low pressure lift pump 722 is connected on low pressure line 723, release clip Joint 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 be close together to constitute and seal, as improvement:

Horizontal clip it is in series with permanent to stream device 713 between described low pressure lift pump 722 import and described low pressure suction pipe 711, Vertical clip it is in series with permanent to stream device 724 between described high pressure make-up pump 714 import and described moisturizing suction pipe 712, described 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 mouse cage II type flame-proof electric 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 pump supercharging pump housing 730 and booster pump impeller 770, and with described Mus Cage II type flame-proof electric motor 710 composition one, the clip pump supercharging pump housing 730 inner chamber has spiral case clip pump discharge 744, clip pump Described supercharging thimble connector 743, the clip pump supercharging pump housing 730 front end face is had to have increasing respectively in the supercharging pump housing 730 radially gabarit Press pump suction inlet 731 and overall fixing threaded hole 772, supercharging ring flange 773 has through hole corresponding, tightly with overall fixing threaded hole 772 Gu the through hole that screw passes through on supercharging ring flange 773 coordinates with overall fixing threaded hole 772, supercharging center round 732 is directed at increasing Press pump suction inlet 731；

There is pump housing rear end face 200 on the clip pump supercharging pump housing 730, pump housing rear end face 200 has shaft extension hand-hole 285 respectively With motor fixing threaded hole 204, motor front cover plate 220 outer rim has front shroud flange 201, front shroud flange 201 has protecgulum Plate through hole 207, has motor gasket seal 202, six motor flange between front shroud flange 201 and pump housing rear end face 200 Screw 205 fixes spiral shell with motor after passing through the sealing gasket through hole on front shroud through hole 207 and motor gasket seal 202 successively Hole 204 connects fastening；

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

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

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

The overall material of described no inner-ring bearing 260 is silicon nitride ceramics, with Si₃N₄(silicon nitride) is base material, is equipped with ore deposit Agent MgO (magnesium oxide), BaCO₃(brium carbonate) and bonding clay form, and the weight percent content of its each component is Si₃N₄:93.5%； MgO:2.68%； BaCO₃:2.72%；Remaining is bonding clay.

As improving further: in Fig. 2, Figure 20, Figure 21, Figure 22, Figure 23, Figure 24, Figure 25 and Figure 26, described mouse cage II Type flame-proof electric motor 710 includes motor casing 210, motor front cover plate 220, motor back shroud 230, motor rotary shaft 240, lead-in wire plug screw 250, stator 251 and rotor 252, stator 251 is fixed on motor casing 210 endoporus, and rotor 252 is fixed At motor rotary shaft 240 maximum gauge and corresponding with stator 251 position, motor front cover plate 220 has protecgulum screw 221 It is fixed on motor casing 210 front end face, on the Front Cover Bearing hole 224 on motor front cover plate 220 outside fixed fore bearing 225 Circle, the bearing leading portion axle 245 of the fixed motor rotary shaft of fore bearing 225 endoporus 240；Rear screw is had on motor back shroud 230 231 are fixed on motor casing 210 rear end face, fixed rear bearing on the bonnet centre bore 234 on motor back shroud 230 235 cylindricals, the bearing back segment axle 243 of the fixed motor rotary shaft of rear bearing 235 endoporus 240, bearing back segment axle 243 rear end have turn Shaft end 233, fixed electric motor fan blade 232 on shaft end 233, fan blade outer housing 237 is fixed on outside motor back shroud 230 On circle；Connect lead-in wire 288 exits in motor casing 210 and be fixedly connected with rosette 275, wired on rosette 275 outer end Box end cap 265, lead-in wire plug screw 250 is positioned on line box end cap 265, and external lead wire 255 passes through lead-in wire plug screw 250.

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

As improving further: in Figure 27, Figure 28, Figure 29, Figure 30, Figure 31, Figure 32, Figure 33, Figure 34 and Figure 35, described Vertical clip is permanent includes thimble connector valve body 150, upper baffle 130, lower baffle 180 and mobile spool to stream device 724, moves Movable valve plug is made up of upper half spool 160 and lower half spool 170, and there is down tube the lower end of described thimble connector valve body 150 cylindrical Hoop 159, there is pipe clip head 154 upper end of described thimble connector valve body 150 cylindrical；

There are valve down tube plane 191, valve down tube plane 191 and the benefit on moisturizing suction pipe 712 in described down tube hoop 159 outer face Water pipe transverse plane 119 is airtight to be close to；

There is pipe plane 141 on valve described pipe clip head 154 outer face that goes out, on valve pipe plane 141 with on supplementary high-voltage tube 716 Ftercompction pipe end plane 114 is airtight to be close to；

Described filling pipe transverse plane 119 and ftercompction pipe end plane 114 dorsal surface have pipeline frustum face 112, under described valve In pipe plane 191 and valve, pipe plane 141 dorsal surface has valve pipe frustum face 152, valve pipe frustum face 152 and described pipeline frustum Between face 112, symmetry is coincide,

Laterally zygomorphic left Double-conical-surface 129 and right Double-conical-surface 128 is had respectively on the left half-watt of clip 121 and the right half-watt of clip 122, left Double-conical-surface 129 and right Double-conical-surface 128 match with described valve pipe frustum face 152 and pipeline frustum face 112 simultaneously；Two groups of bolts Left for the clip of assembled in pairs half-watt 121 and the right half-watt of clip 122 are fastened together by nut 111.

The interior round tube hole about 157 of described thimble connector valve body 150 is topped bar hole 153 respectively and is got out of a predicament or an embarrassing situation hole 158； Described upper baffle 130 planar ends is fixedly connected cylinder 132, and connecting below upper cylinder 132 has runner round bar 134, connect below runner round bar 134 and have cylinder valve rod 131, cylinder valve rod 131 lower surface to have valve rod inner bolt hole 139, and described Upper cylinder 132 excircle dimension identical with described cylinder valve rod 131 excircle dimension；Described upper baffle 130 external arc There are upper six plates 135 in location on face, position upper six plate 135 outer rims and described topping bar between hole 153 as being slidably matched；Described Lower baffle 180 planar ends has the outer stud 189 of valve rod, and the outer stud 189 of valve rod is with described valve rod inner bolt hole 139 screw-tightened even Connect, described lower baffle 180 exterior arc surface has lower six plates 185 in location, lower six plate 185 outer rims in location get out of a predicament or an embarrassing situation with described For being slidably matched between hole 158；Upper taper cone barrel 169, upper taper cone barrel 169 and upper cone 168 is had on described upper half spool 160 Between have in SANYE and connect muscle 161 and be connected, described upper taper cone barrel 169 outer rim connects top cylinder step cylindrical 162, and described is upper Taper cone barrel 169 inner edge connects top cylinder female thread 163, and described upper cone 168 has inner circle 164 on spool, interior on spool For being slidably matched between circle 164 and described upper cylinder 132 cylindrical；Lower taper cone barrel 179 is had on described lower half spool 170, Having under SANYE between lower taper cone barrel 179 with lower cone 178 and connect muscle 171 and be connected, described lower taper cone barrel 179 outer rim connects to be had Doffing step inner circle 172 is airtight with described top cylinder step cylindrical 162 to match, and described lower taper cone barrel 179 inner edge connects to be had Doffing external screw thread 173 is airtight with described top cylinder female thread 163 to match；In the described spool inside doffing external screw thread 173 Inner circle 175 equivalently-sized with inner circle 174 under the spool on described lower cone 178 and all with described cylinder valve rod 131 outside For being slidably matched between circle；Described upper half spool 160 cylindrical is equal with described lower half spool 170 cylindrical and all with described For being slidably matched between interior round tube hole 157；The described single leaf positioning lower six plates 185 of upper six plates 135 and described location is thick Degree is 4 to 5 millimeters.

As improving further: in Figure 36, Figure 37, Figure 38, Figure 39, Figure 40, Figure 41, Figure 42 and Figure 43, described level Clip is permanent includes cylinder axis 610, rotation spool 620, horizontal clip valve body 630, trip bolt 670, outer end cap to stream device 713 690 and clip enters assembly and clip goes out assembly, clip enters assembly and is entered half-watt 641 and level under clip by level and enter clip upper half Watts 642 and two groups of horizontal clips enter bolt and nut 677 and formed, level is entered to be had inside half-watt 641 under clip into lower pair of clip The conical surface 645, level is entered Double-conical-surface 675 on clip inside half-watt 642 on clip；Clip goes out assembly and is gone out clip lower half by level Watts 671 and level goes out clip upper half watt 672 and two groups of horizontal clips go out bolt and nut 699 and formed, level goes out clip lower half Having Double-conical-surface 678 under clip inside watts 671, level goes out Double-conical-surface 695 on clip inside clip upper half watt 672；

Described low pressure suction pipe 711 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 low pressure line 723 left end head has horizontal clip to go out transverse plane 693, and horizontal clip goes out transverse plane 693 are backed with horizontal clip 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.

In embodiment:

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

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

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

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

Two, the mouse cage II type flame-proof electric motor 710 in the present invention and critical component assembling process are as follows:

(1), mouse cage II type flame-proof electric motor 710 assembles

Stator 251 is fixed on motor casing 210 endoporus, rotor 252 is fixed at motor rotary shaft 240 maximum gauge And it is corresponding with stator 251 position.The end cap casing through hole 226 on motor front cover plate 220 is passed through with eight protecgulum screws 221 Match with the casing end face screw on motor casing 210 front end face, 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 bearing leading portion axle 245 of the fixed motor rotary shaft of endoporus 240；With screw after other eight 231 and motor casing 210 rear end Casing end face screw on face matches, and motor back shroud 230 is fixed on motor casing 210 rear end face, after motor Fixed rear bearing 235 cylindrical, the fixed motor rotary shaft of rear bearing 235 endoporus 240 on the bonnet centre bore 234 of cover plate 230 Bearing back segment axle 243.

Connecing lead-in wire 288 exits in motor casing 210 and be fixedly connected with rosette 275, rosette 275 has on outer end Line box end cap 265, lead-in wire plug screw 250 is positioned on line box end cap 265, and external lead wire 255 passes through lead-in wire plug screw 250.

(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 thimble connector 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 release union joint 746 be sealedly connected and fixed, low pressure line 723 connect with low pressure runner 742 between structure Become low pressure union joint 747 to be sealedly connected and fixed, film return duct 727 constitutes pressure accumulation union between connecting with pressure accumulation runner 751 and connects 749 are 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 near with the Front Cover Bearing hole 224 on motor front cover plate 220 Interference fits at outer end, and pass through the hollow axle stepped hole 805 on protecgulum hollow axle 280 and motor with hollow axle screw 228 Protecgulum screw 227 on front shroud 220 matches, by the hollow axle flange 807 on protecgulum hollow axle 280 and motor front cover plate Protecgulum concave station face 229 on 220 is close to fix so that the hollow axle stepped hole 284 on protecgulum hollow axle 280 and motor rotary shaft There is between overhanging section of 246 outlines of the rotating shaft of 240 high accuracy axiality and fix machine sealing assembly 248.Meanwhile, protecgulum hollow axle The rotation of 1.115 millimeters is had between hollow axle through hole 804 and overhanging section of 246 outlines of the rotating shaft of motor rotary shaft 240 on 280 Space.

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

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

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

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

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

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

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

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

Three, clip pressure-exchange machine operation principle:

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

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

Four, 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 of damming of 80.7% Water is dammed by reverse osmosis membrane 720, and wherein the process fresh water of 19.3% penetrates reverse osmosis membrane 720, enters among film water chamber 728, warp 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 80.7% the pressure accumulation sea water that dams through film return duct 727, by pressure accumulation thimble connector 749 Enter into pressure accumulation runner 751 position, participate in the pressure accumulation sea water experience wave of damming of lower half among pressure-exchange passage A-M Raising and lowering, rotates to pressure release runner 752 position along with exchanger rotor 740 after pressure release, flows through release thimble connector 746, Emit from drain line 726 or deliver 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 20, the pre-treating seawater among pressure-exchange passage A-M with dam Between pressure accumulation sea water, contact surface can produce blending, learns that blending amount only accounts for participation reverse osmosis membrane 720 amount of work 1% after tested.Increase If clip pressure-exchange promotes pump, the pressure accumulation sea water that dams of fail to pass through reverse osmosis membrane 720 80.7% is obtained efficient recovery Utilize, reach the effect of energy-saving and emission-reduction.

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

1, the present invention use clip pump attachment structure dismounting, easy to maintenance, particularly set up clip pressure-exchange promote pump, pressure The booster pump suction inlet 731 that power promotes on clip pump portion is direct with the supercharging center round 732 in clip pressure-exchange machine part Alignment, not only compact conformation, and, low pressure lift pump 722 only needs to participate in account in the pre-of reverse osmosis membrane 720 amount of work 80.7% The pressure processing sea water brings up to 0.2 MPa (MPa), so that it may complete have the quilt of 5.8 MPas (MPa) in film return duct 727 The pressure accumulation sea water that dams realizes pressure-exchange, it is ensured that mouse cage II type flame-proof electric motor 710 only needs to account for the pre-place of amount of work 80.7% The pressure of reason sea water brings up to 6.0 MPas (MPa) from 5.8 MPas (MPa) again；Account for participation reverse osmosis membrane 720 amount of work 80.7% Pre-treating seawater segmentation improve in pressure differential only have 0.46 MPa (MPa), energy-saving effect is obvious；

The acquisition fresh water penetrating reverse osmosis membrane 720 accounts for participation reverse osmosis membrane 720 amount of work 19.3%, accounts for participation reverse osmosis membrane 720 The pre-treating seawater of amount of work 19.3%, through high pressure make-up pump 714, directly brings up to 6.0 MPas (MPa) from atmospheric pressure；Aobvious So, the reverse osmosis membrane Seawater Desalination Project setting up clip pressure-exchange lifting pump promotes pump with not having clip pressure-exchange Reverse osmosis membrane Seawater Desalination Project compares, and the energy consumption obtaining unit fresh water reduces about 30%.

2, having impeller stepped hole 296 and impeller splined hole 294 on booster pump impeller 770, there is axle overhanging section of 246 outer ends of rotating shaft Spline segment 249, protecgulum hollow axle 280 passes through shaft extension hand-hole 285 and is positioned at the clip pump supercharging pump housing 730 spiral case, outer shaft Holding to prop up to hold round and be combined with no inner-ring bearing 260 on 289, no inner-ring bearing 260 supports impeller bearing hub 290, overhanging section of rotating shaft 246 pass through hollow axle stepped hole 284, and axle spline segment 249 and impeller splined hole 294 engage each other overhanging for rotating shaft section of 246 moments of torsion Pass to booster pump impeller 770；Said structure achieves motor rotary shaft 240 and fore bearing 225 and 235 need of rear bearing hold By pure torsion, and radial force produced by spline engagement is born by no inner-ring bearing 260 completely, is only operated at protecgulum hollow On axle 280, it is entirely avoided the rotating shaft on motor rotary shaft 240 bears radial force for overhanging section 246, improve mouse cage II type explosion-proof Motor 710 service life；

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 domatic 922 and pressure accumulation import rotate domatic 512 with the forward slanted angle of exchanger rotor 740, and supercharging derives and rotates Domatic 912 and pressure accumulation import rotate domatic 512 with the reversed dip angle of exchanger rotor 740, just can allow clip pressure-exchange In machine part, unique movement parts exchanger rotor 740 rotates freely, completes flow direction switching in pressure-exchange passage A-M, Realize pressure-exchange, it is to avoid the contingency that employing any electrical equipment control may cause occurs.

3, horizontal clip it is in series with between low pressure line 723 and low pressure suction pipe 711 permanent to stream device 713, annular flow road junction 622 It is connected this special setting with there being deformation runner 688 between circular flow channel mouth 621, it is ensured that the transient state in low pressure runner 742 is high Pressure sea water will not produce reverse counterflow, operates safe and reliable；The permanent rotation spool 620 in stream device 713 of horizontal clip possesses pendulum Turn sensitive, have deformation runner 688 to be connected this special setting between annular flow road junction 622 with circular flow channel mouth 621 so that water Flat clip is permanent does not has any obstruction parts such as spring-like in stream device 713 global facility, can be achieved with permanent to flowing function, thorough The end, eliminates because the pipeline fittings fault on low pressure suction pipe 711 affects the hidden danger that the present invention breaks down.

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

5, mouse cage II type flame-proof electric motor 710 have employed line box dividing plate 212 and rosette 275 be isolated into two along pipe range side To the first completely enclosed cavity 278 and technical scheme of the second cavity 279, the interior lead-in wire 288 that connects is connected to connection bolt 217 Connecing on termination 218 on, external lead wire 255 passes through the runners circular hole 238 on lead-in wire plug screw 250 successively and seals hole circle 267 Rear correspondence is connected on the external termination 219 that is positioned on the connection bolt 217 of the second cavity 279, due to the two of connection bolt End lays respectively in two airtight cavitys, it is possible to be effectively isolated the leakage of electric spark.Insert with special inner hexagon spanner Enter to go between in the runners on plug screw 250 among hexagonal 239, lead-in wire plug screw 250 external screw thread is twisted with line box end cap 265 female thread Tightly so that sealing hole is airtight after enclosing 267 compressive deformations holds external lead wire 255 tightly.Set on online box end cap 265 female thread baseplane Having sealing hole circle 267 to carry out secondary isolation electric spark, avoid electric spark to reveal further, flame proof is effective, and security performance is high.

6, the outer bearing of nickel alloy hard wear-resistant coating props up and holds round 289 surfaces, the no inner-ring bearing of combination silicon nitride ceramics 260, corrosion resistance and wearability are all eager to excel more than 19.3% than conventional stainless steel material.

Claims (2)

1. nickel alloy mouse cage flameproof motor desalinization thimble connector equipment, 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 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 (746), low pressure clip to connect on pump Head (747) and pressure accumulation thimble connector (749), by film return duct between pressure accumulation thimble connector (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 thimble connector (743) and pipeline threeway (769) side port Pressure pipe (717) connects, and high pressure make-up pump (714) series connection is positioned on supplementary high-voltage tube (716), supplements high-voltage tube (716) and is connected to Pipeline threeway (769) end opening, between low pressure lift pump (722) outlet and low pressure thimble connector (747) by low pressure line (723) even Connecing, 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), 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, and it is characterized in that:

Horizontal 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) (713) vertical 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 (724), 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 is driven by mouse cage II type flame-proof electric motor (710)；

Described clip pressure-exchange machine part includes exchanger rotor (740), exchanger urceolus (779) and pretreatment water end (W.E.) Lid (745) and trap water end cap (754), exchanger rotor (740) has two ends of rotor face (924) and rotor outer circle (821), turns Coordinating for rotary sliding between sub-cylindrical (821) with exchanger urceolus (779) inner circle, exchanger rotor has circumference on (740) The pressure-exchange passage A-M of annular configuration and rotor center through hole (825)；

Described boost in pressure clip pump portion includes the clip pump supercharging pump housing (730) and booster pump impeller (770), and with described Mouse cage II type flame-proof electric motor (710) composition one, the clip pump supercharging pump housing (730) inner chamber has spiral case clip pump discharge (744), the clip pump supercharging pump housing (730) radially gabarit has described supercharging thimble connector (743), the clip pump supercharging pump housing (730) front end face has booster pump suction inlet (731) and overall fixing threaded hole (772) respectively, supercharging ring flange (773) has through hole with Overall fixing threaded hole (772) is corresponding, and trip bolt passes through the through hole on supercharging ring flange (773) and overall fixing threaded hole (772) coordinate, by supercharging center round (732) alignment booster pump suction inlet (731)；

Described outer bearing props up and holds round the nickel alloy hard, wear-resistant painting that (289) surface has a layer thickness to be 0.60 0.62 millimeters Layer；The material of nickel alloy hard wear-resistant coating is elementary composition by following percentage by weight: Ni:15 17 %, Nb:3.4 3.6%, Mo:2.7 2.9%, W:2.4 2.6%, Cr:2.3 2.5%, Ti:2.1 2.3%, C:1.1 1.3%, surplus is Fe and inevitably impurity；The weight percent content of described impurity is: Sn less than 0.07%, Si less than 0.21%, Mn few In 0.028%, S less than 0.013%, P is less than 0.017%；The material Specifeca tion speeification of nickel alloy hard wear-resistant coating is: Lip river Family name's hardness HRC value is 61 63；

The overall material of described no inner-ring bearing (260) is silicon nitride ceramics, with Si₃N₄(silicon nitride) is base material, is equipped with Mineralizer MgO (magnesium oxide), BaCO₃(brium carbonate) and bonding clay form, and the weight percent content of its each component is Si₃N₄:93.4—93.6%； MgO:2.67—2.69%； BaCO₃:2.71—2.73%；Remaining is bonding clay.

Nickel alloy mouse cage flameproof motor desalinization thimble connector equipment the most according to claim 1, is characterized in that: institute The mouse cage II type flame-proof electric motor (710) stated includes motor casing (210), motor front cover plate (220), motor back shroud (230), motor rotary shaft (240), lead-in wire plug screw (250), stator (251) and rotor (252), stator (251) is fixed on electronic On machine shell (210) endoporus, rotor (252) be fixed at motor rotary shaft (240) maximum gauge and with stator (251) position phase Correspondence, motor front cover plate (220) has protecgulum screw (221) be fixed on motor casing (210) front end face, motor front cover Upper fixed fore bearing (225) cylindrical in Front Cover Bearing hole (224) on plate (220), the fixed motor of fore bearing (225) endoporus Bearing leading portion axle (245) of rotating shaft (240)；Rear screw (231) is had to be fixed on motor casing on motor back shroud (230) (210) rear end face, upper fixed rear bearing (235) cylindrical of the bonnet centre bore (234) on motor back shroud (230), rear axle Holding bearing back segment axle (243) of the fixed motor rotary shaft of (235) endoporus (240), there is rotating shaft end bearing back segment axle (243) rear end End (233), the upper fixed electric motor fan blade (232) of shaft end (233), fan blade outer housing (237) is fixed on motor back shroud (230) on cylindrical；Connect lead-in wire (288) exit in motor casing (210) and be fixedly connected with rosette (275), rosette (275) wired box end cap (265) on outer end, lead-in wire plug screw (250) is positioned on line box end cap (265), and external lead wire (255) passes through Lead-in wire plug screw (250).