CN106082478A

CN106082478A - Application mouse cage water-cooled motor zirconia ceramics weld seam equipment method for desalting seawater

Info

Publication number: CN106082478A
Application number: CN201610691840.6A
Authority: CN
Inventors: 张意立; 陈丹青
Original assignee: Jinjiang Power Technology Co Ltd
Current assignee: Jinjiang Power Technology Co Ltd
Priority date: 2016-08-20
Filing date: 2016-08-20
Publication date: 2016-11-09

Abstract

The invention belongs to application apparatus method for desalting seawater, application mouse cage water-cooled motor zirconia ceramics weld seam equipment method for desalting seawater, this equipment includes that sea water preprocessing pond, low pressure suction pipe, low pressure lift pump, moisturizing suction pipe, high pressure make-up pump, pipeline threeway, reverse osmosis membrane and weld seam pressure-exchange promote pump, as improvement: mouse cage IV type water-cooled motor assemble method and welding line joint pipeline Connection Step and union pressure-exchange machine workflow and reverse osmosis seawater desalting work process are as follows: one, mouse cage IV type water-cooled motor assemble method；Two, welding line joint pipeline Connection Step；Three, weld seam pressure-exchange machine workflow；Four, reverse osmosis seawater desalting work process；The present invention uses solder design structure, high pressure resistant, No leakage, particularly sets up weld seam pressure-exchange and promotes pump, and the booster pump suction inlet on boost in pressure weld seam pump portion is directly directed at the supercharging center round in weld seam pressure-exchange machine part, compact conformation, energy-saving effect is obvious.

Description

Application mouse cage water-cooled motor zirconia ceramics weld seam equipment method for desalting seawater

Technical field

The invention belongs to application apparatus method for desalting seawater, be specifically related in reverse osmosis seawater desalination system set up pressure and hand over Change the application mouse cage water-cooled motor zirconia ceramics weld seam equipment method for desalting seawater 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 islands and reefs fresh water device, hand over equipped with welding pressure Changing lifting pump, pressure-exchange efficiency can be made to improve, system structure is compacter, also eliminates switch valve etc. and controls element, It is finally reached and investment and daily management maintenance cost are greatly reduced.By the following technical solutions:

Application mouse cage water-cooled motor zirconia ceramics weld seam equipment method for desalting seawater, this equipment include sea water preprocessing pond, Low pressure suction pipe, low pressure lift pump, moisturizing suction pipe, high pressure make-up pump, pipeline threeway, reverse osmosis membrane and weld seam pressure-exchange promote Pump, reverse osmosis membrane both sides are respectively film intake antrum and film water chamber, and weld seam pressure-exchange promotes has supercharging weld seam to connect on pump Head, release welding line joint, low pressure welding line joint and pressure accumulation welding line joint, refluxed by film between pressure accumulation welding line joint and film intake antrum Pipe connects, and film water chamber is connected to desalination water and goes out pipe, is connected by high pressure sea water inlet pipe between film intake antrum is suitable for reading with pipeline threeway, Is connected by conversion high-voltage tube between supercharging welding line joint with pipeline threeway side port, supplementary high-voltage tube two ends respectively with pipeline three catharsis Mouth and vertical weld are permanent to stream device outlet airtight connection, and high pressure make-up pump is connected on supplementary high-voltage tube；Low pressure line two ends Permanent with low pressure welding line joint and side seam to stream device outlet airtight connection respectively, low pressure lift pump is connected on low pressure line On, release welding line joint is connected to drain line；Described supercharging welding line joint includes exporting welded tube chamfering and high-voltage tube chamfering And girth weld；

The level that is in series with between described low pressure lift pump import and described low pressure suction pipe is welded permanent to stream device, described high pressure Vertical welding it is in series with permanent to stream device, described weld seam pressure-exchange elevator between make-up pump import and described moisturizing suction pipe Pump is made up of boost in pressure weld seam pump portion and weld seam pressure-exchange machine part, and boost in pressure weld seam pump is by mouse cage IV type water-cooled Motor-driven；No inner-ring bearing entirety material in mouse cage IV type water-cooled motor is zirconia ceramics, as improvement:

Described mouse cage IV type water-cooled motor assemble method and welding line joint pipeline Connection Step and union pressure-exchange machine Workflow and reverse osmosis seawater desalting work process are as follows:

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

Stator is fixed on motor casing endoporus, rotor is fixed at motor rotary shaft maximum gauge and and position of stator Corresponding；

Front communication part is laid respectively at end cap front step hole and links up among front step hole, after rear communication part is laid respectively at end cap Among stepped hole and communication backward step hole；

With eight front screws, motor front cover plate is fixed on the protecgulum concave station face of motor casing, motor front cover plate Fixed fore bearing cylindrical on Front Cover Bearing hole, the fore bearing section of the fixed motor rotary shaft of fore bearing endoporus.

Motor rear end plate is fixed on motor casing rear end face, after motor rear end plate with other eight front screws Fixed rear bearing cylindrical on lid central blind hole, the rear bearing section of the fixed motor rotary shaft of rear bearing endoporus；Cable passes through The lead-in wire window being positioned on motor casing, is connected to external control power supply.

Having groove fixed motor sealing ring on described motor front cover plate setting circle, motor sealing ring makes electricity Static seal is constituted between motivation front shroud and motor casing；

(2), welding line joint pipeline Connection Step:

(1), supercharging welding line joint connect, outlet welded tube chamfering is alignd with high-voltage tube chamfering, is exporting welded tube chamfering and high pressure Carry out butt welding between pipe chamfering, produce girth weld, between conversion high-voltage tube and volute outlet welded tube, constitute the airtight company of weld seam Connect fixing；

(2) as supercharging welding line joint connected mode, respectively by release welding line joint, low pressure welding line joint and pressure accumulation weld seam Joint carries out butt welding with the pipeline of its both sides, position so that constitute weld joint close between drain line and pressure release flow passage Close that connection is fixing, constitute weld seam airtight connection between low pressure line and low pressure flow passage and fix, film return duct and pressure accumulation runner Constitute weld seam airtight connection between connection to fix；

(3), weld seam 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 weld seam pressure-exchange machine part freely rotate, and exchanger rotor is with per second 20 rotate, and complete flow direction switching in pressure-exchange passage A-M, it is achieved pressure-exchange；

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

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

(4), reverse osmosis seawater desalting work process:

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

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

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

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

Owing to exchanger rotor rotates with per second 20, the pre-treating seawater among pressure-exchange passage A-M and the storage that dams Between pressure sea water, contact surface can produce blending, learns that blending amount only accounts for participation reverse osmosis membrane amount of work 1% after tested.Set up weldering Seam pressure-exchange promotes pump, the pressure accumulation sea water that dams of fail to pass through reverse osmosis membrane 80% is obtained effective recycling, reaches The effect of energy-saving and emission-reduction.

Beneficial effects of the present invention:

1, the present invention uses solder design structure, high pressure resistant, No leakage, particularly sets up weld seam pressure-exchange and promotes pump, pressure The booster pump suction inlet that power promotes on weld seam pump portion is directly directed at, no with the supercharging center round in weld seam pressure-exchange machine part But 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% 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 mouse cage IV type water-cooled motor only needs the pressure of the pre-treating seawater by accounting for amount of work 80% again from 5.8 MPas (MPa) 6.0 MPas (MPa) are brought up to；Account for the pressure in the segmentation raising of the pre-treating seawater participating in reverse osmosis membrane amount of work 80% Power difference only has 0.46 MPa (MPa), and energy-saving effect is obvious；

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

2, having impeller stepped hole and impeller splined hole on booster pump impeller, there are axle spline segment, protecgulum in overhanging section of outer end of rotating shaft Hollow axle passes through shaft extension hand-hole and is positioned at weld seam 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 IV type water Cold motor service life；

Weld seam 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 weld seam 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 level that is in series with between low pressure line with low pressure suction pipe is welded permanent to stream device, annular flow road junction and circular flow channel mouth Between have six tracts of runners of deformation to be connected this special setting, it is ensured that the high voltage transient sea water in low pressure runner will not produce reversely Countercurrently, operate safe and reliable；It is sensitive that the permanent rotation spool in stream device of level welding possesses rotation, annular flow road junction and circular stream Six tracts of runners of deformation are had to be connected this special setting between road junction so that level welding is permanent does not has class in stream device global facility Any obstruction part such as springy, can be achieved with permanent to flowing function, completely eliminate because of the pipeline fittings on low pressure suction pipe therefore Barrier affects the hidden danger that the present invention breaks down.

4, vertical welding it is in series with between the import of high pressure make-up pump and 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 welding is permanent Ring cavity in stream device is arranged so that it is permanent within stream device that mobile spool is suspended in vertical welding, and mobile spool entirety is hanged Floating structure is allowed to be possessed unlatching, closes agility；Make that vertical welding 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 IV type water-cooled motor have employed motor casing and motor front cover plate and motor rear end plate Between have front communication part and rear communication part respectively so that the sealing of cooling water channel the most too relies on end face and is close to, thus reduction To the inner side end of end cap, the planarity requirements of the end face of support, thus reduce difficulty of processing and motor is assembled matter Amount requirement.

Accompanying drawing explanation

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

Fig. 2 is the profile that flange pressure exchange promotes the boost in pressure flange pump portion in pump.

Fig. 3 is the profile that flange pressure exchange promotes the flange pressure switch segment in pump.

Fig. 4 is the operation principle schematic diagram of flange pressure switch 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 the motor casing 210 amplification profile schematic diagram in Fig. 2.

Figure 25 is Figure 24 side view.

Figure 26 is the front communication part 217 in Fig. 2 or the rear amplification profile schematic diagram linking up part 917.

Figure 27 is the motor front cover plate 220 amplification profile schematic diagram in Fig. 2.

Figure 28 is that the U of Figure 27 is to side view.

Figure 29 is the motor rear end plate 230 amplification profile schematic diagram in Fig. 2.

Figure 30 is that the V of Figure 29 is to side view.

Figure 31 is the permanent profile (forward circulation status) crossing axial line to stream device 724 of vertical welding.

Figure 32 is that in Figure 31, vertical welding is permanent is in reverse blocking state to stream device 724.

Figure 33 is the mobile spool sectional axonometric drawing in Figure 31 or Figure 32.

Figure 34 is the mobile spool profile in Figure 31 or Figure 32.

Figure 35 is X X sectional view in Figure 31.

Figure 36 is Y Y sectional view in Figure 31.

Figure 37 is Z Z sectional view in Figure 31.

Figure 38 is the permanent profile forward circulation status crossing axial line to stream device 713 of the level welding in Fig. 1.

Figure 39 is that the level welding in Figure 38 is permanent is in reverse blocking state to stream device 713.

Figure 40 is W-W sectional view in Figure 38.

Figure 41 is horizontal valve body 630 axonometric chart of the plumb joint in Figure 38 or Figure 39.

Figure 42 is that rotation spool 620 axonometric chart in Figure 38 represents annular flow road junction 622.

Figure 43 is that rotation spool 620 axonometric chart in Figure 39 represents circular flow channel mouth 621.

Figure 44 is the profile at supercharging welding line joint 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 31, Figure 38 and Figure 44, apply mouse cage water-cooled motor Zirconia ceramics weld seam equipment method for desalting seawater, this equipment includes that sea water preprocessing pond 703, low pressure suction pipe 711, low pressure promote Pump 722, moisturizing suction pipe 712, high pressure make-up pump 714, pipeline threeway 769, reverse osmosis membrane 720 and weld seam pressure-exchange elevator Pump, reverse osmosis membrane 720 both sides are respectively film intake antrum 718 and film water chamber 728, and weld seam pressure-exchange promotes has supercharging on pump Welding line joint 743, release welding line joint 746, low pressure welding line joint 747 and pressure accumulation welding line joint 749, pressure accumulation welding line joint 749 Being connected by film return duct 727 with between film intake antrum 718, film water chamber 728 is connected to desalination water and goes out pipe 729, film intake antrum 718 Be connected by high pressure sea water inlet pipe 719 between suitable for reading with pipeline threeway 769, supercharging welding line joint 743 and pipeline threeway 769 side port it Between connected by conversion high-voltage tube 717, supplement high-voltage tube 716 two ends respectively permanent with pipeline threeway 769 end opening and vertical weld to Stream device 724 exports airtight connection, and high pressure make-up pump 714 is connected on supplementary high-voltage tube 716；Low pressure line 723 two ends respectively with Low pressure welding line joint 747 and side seam perseverance export airtight connection to stream device 713, and low pressure lift pump 722 is connected on low-voltage tube On road 723, release welding line joint 746 is connected to drain line 726；Described supercharging welding line joint 743 includes that exporting welded tube falls Angle 794 and high-voltage tube chamfering 796 and girth weld 795, become 45 degree of folders between high-voltage tube chamfering 796 with conversion high-voltage tube 717 Angle, between outlet welded tube chamfering 794 and spiral case weld seam outlet 744 in angle of 45 degrees；As improvement:

The level that is in series with between described low pressure lift pump 722 import and described low pressure suction pipe 711 is welded permanent to stream device 713, Vertical welding 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 Weld seam pressure-exchange promote pump be made up of boost in pressure weld seam pump portion and weld seam pressure-exchange machine part, boost in pressure Weld seam pump is driven by mouse cage IV type water-cooled motor 710；

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

Having described pressure accumulation welding line joint 749 on trap water end cap 754 cylindrical, trap water end cap 754 unloads pressure welding on outer face Sew up 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 welding line joint 749 imports with pressure accumulation to rotate and is connected by pressure accumulation runner 751 between domatic 512, release Welding line joint 746 is derived with release to rotate and is connected by pressure release runner 752 between domatic 522；

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

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

There is pump housing rear end face 200 on the weld seam supercharging pump housing 730, pump housing rear end face 200 has shaft extension hand-hole 285 He respectively Motor fixing threaded hole 204, motor front cover plate 220 outer rim has front shroud flange 201, front shroud flange 201 has flange lead to , there are motor gasket seal 202, six motor flange screws in hole 207 between front shroud flange 201 and pump housing rear end face 200 205 pass through successively after the sealing gasket through hole on flange through hole 207 and motor gasket seal 202 with motor fixing threaded hole 204 Connect fastening；

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

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

Described outer bearing props up and holds round the titanium alloy hard wear-resistant coating that 289 surfaces have a layer thickness to be 0.61 millimeter；Titanium alloy The material of hard wear-resistant coating is elementary composition by following percentage by weight: Ti:16%, Nb:3.5%, Mo:2.8%, W: 2.5%, Ni:2.4%, Cr: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%；Titanium 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 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 improving further: Fig. 2, Figure 20, Figure 21, Figure 22, Figure 23, Figure 24, Figure 25, Figure 26, Figure 27, Figure 28, Figure 29 With in Figure 30, described mouse cage IV type water-cooled motor 710 includes motor casing 210, motor front cover plate 220, motor Rear end cap 230, motor rotary shaft 240, stator 251 and rotor 252, leaded window 250 on motor casing 210 outer wall, electricity Having fixing front screw 288 and fixing rear bolt hole 988 in motivation shell 210 both ends of the surface respectively, stator 251 is fixed on motor casing On 210 endoporus, rotor 252 is fixed at motor rotary shaft 240 maximum gauge and corresponding, before motor with stator 251 position Front screw 221 is had to be fixed on motor casing 210 front end face on cover plate 220, the Front Cover Bearing hole 224 of motor front cover plate 220 Upper fixed fore bearing 225 cylindrical, the fore bearing section 245 of the fixed motor rotary shaft of fore bearing 225 endoporus 240；After motor Rear screw 231 is had to be fixed on motor casing 210 rear end face on end cap 230, the bonnet central blind hole of motor rear end plate 230 Fixed rear bearing 235 cylindrical, the rear bearing section 243 of the fixed motor rotary shaft of rear bearing 235 endoporus 240 on 234；Motor Seal between shell 210 and motor front cover plate 220 and link up part 217, motor casing 210 and motor rear end plate before being fixed with Seal between 230 and link up part 917 after being fixed with；

Cooling sandwith layer 222, cooling sandwith layer 222 is had to get around lead-in wire window 250 cloth between outer wall and the inwall of motor casing 210 Putting, cooling sandwith layer about 222 two ends have the front water hole 218 of exchange and water hole 918 after exchanging respectively；Exchange front water hole 218 with fixing The dislocation of front screw 288 is arranged, after exchange, water hole 918 is arranged with the dislocation of fixing rear bolt hole 988；Exchange outer end, front water hole 218 and have ditch Logical front step hole 219, after exchange, there is communication backward step hole 919 outer end, water hole 918；

Motor rear end plate 230 has bonnet through hole 275, and bonnet through hole 275 is corresponding with fixing rear bolt hole 988, motor rear end Lid 230 has end cap backward step hole 955, and end cap backward step hole 955 is corresponding with water hole 918 after exchange；Described motor front cover Protecgulum through hole 265 and operation hollow hole 232, the operation hollow hole 232 turnover on motor front cover plate 220 is had on plate 220 Screw 239 attended operation space before water pipe；Described protecgulum through hole 265 is corresponding with fixing front screw 288；

Motor front cover plate 220 has end cap front step hole 255, and end cap front step hole 255 is corresponding with exchanging front water hole 218, electricity Motivation front shroud 220 has screw 239 before water inlet pipe and water outlet pipe, manhole appendix 238 before there is cooling water screw 239 bottom before water inlet pipe and water outlet pipe, the end Before end has cooling water, manhole appendix 238 through hole 237 and end cap front step hole 255 UNICOM before vertical；Motor rear end plate 230 On have water inlet pipe and water outlet pipe rear bolt hole 939, water inlet pipe and water outlet pipe rear bolt hole 939 bottom have cooling water after manhole appendix 938, cooling water after pass in and out Hole 938 through hole 937 and end cap backward step hole 955 UNICOM after vertical；

Front communication part 217 is identical with rear communication part 917 physical dimension, on front communication part 217 and rear communication part 917 cylindrical all Two ring sealing rings 282, front communication part 217 are had to lay respectively at end cap front step hole 255 and link up among front step hole 219, rear ditch Logical part 917 lays respectively at end cap backward step hole 955 and links up among backward step hole 919.

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 31, Figure 32, Figure 33, Figure 34, Figure 35, Figure 36 and Figure 37, described vertical welding Perseverance includes the vertical valve body of plumb joint 150, upper baffle 130, lower baffle 180 and mobile spool, mobile spool to stream device 724 Being made up of upper half spool 160 and lower half spool 170, there is valve at the two ends up and down of described plumb joint vertical valve body 150 cylindrical Body welding chamfering 155, the interior round tube hole about 157 of the vertical valve body of described plumb joint 150 top bar respectively hole 153 and leave office Hole, rank 158；

Moisturizing suction pipe 712 upper end has welding line joint to weld chamfering 155 with the valve body of weld seam head valve body 150 cylindrical lower end to dock, structure Water outlet circular weld 144 is become to be tightly connected；Supplement high-voltage tube 716 lower end also to have on welding line joint and weld seam head valve body 150 cylindrical The valve body welding chamfering 155 of end is docked, and constitutes water inlet circular weld 146 and is tightly connected；

Described upper baffle 130 planar ends is fixedly connected cylinder 132, connects and have runner circle below upper cylinder 132 Bar 134, connects below runner round bar 134 and has cylinder valve rod 131, cylinder valve rod 131 lower surface to have valve rod inner bolt hole 139, and institute Upper cylinder 132 excircle dimension stated is identical with described cylinder valve rod 131 excircle dimension；Described upper baffle 130 cylindrical There are upper five plates 135 in location in cambered surface, position upper five plate 135 outer rims and described topping bar between hole 153 as being slidably matched；Described Lower baffle 180 planar ends have the outer stud 189 of valve rod, the outer stud 189 of valve rod and described valve rod inner bolt hole 139 screw-tightened Connect, described lower baffle 180 exterior arc surface has lower five plates 185 in location, lower five plate 185 outer rims in location and described leave from office For being slidably matched between hole, rank 158；Upper taper cone barrel 169, upper taper cone barrel 169 and upper cone is had on described upper half spool 160 Having between 168 in SANYE and connect muscle 161 and be connected, described upper taper cone barrel 169 outer rim connects urceolus female thread 162, described Upper taper cone barrel 169 inner edge connects upper inner core 163 inner circle, and described upper cone 168 has inner circle 164 on spool, on spool For being slidably matched between inner circle 164 and described upper cylinder 132 cylindrical；Lower taper cone barrel is had on described lower half spool 170 179, have 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 is even Being connected to urceolus external screw thread 172, urceolus external screw thread 172 is airtight with described urceolus female thread 162 to match, described lower taper cone barrel 179 inner edges connect lower inner core 173, and lower inner core 173 cylindrical is airtight with described upper inner core 163 inner circle to match；Under described There are inner circle 174 under spool on cone 178, described lower inner core 173 inner circle have inner circle 175 in spool, inner circle 175 in spool And for being slidably matched between cylinder valve rod 131 cylindrical that under spool, inner circle 174 is equivalently-sized and equal and described；Described upper half valve For being slidably matched between the interior round tube hole 157 that core 160 cylindrical is equal and equal and described with described lower half spool 170 cylindrical；Institute The single leaf thickness positioning lower five plates 185 of upper five plates 135 and described location stated is 5 to 6 millimeters.

As improving further: in Figure 38, Figure 39, Figure 40, Figure 41, Figure 42 and Figure 43, described level welding is permanent to stream Device 713 includes cylinder axis 610, rotation spool 620, the horizontal valve body of plumb joint 630, trip bolt 670 and outer end cap 690, described The horizontal valve body of plumb joint 630 on have valve body-side plane 636, valve body inletpiston hard layer 638 and valve outlet plane hard Layer 639 and outlet elbow 631 and import bend pipe 632；Outlet elbow 631 outer end has winding pipe exit to weld termination 617, and bend pipe goes out Mouth welding has winding pipe exit to weld chamfering 615 on termination 617；Import bend pipe 632 outer end has bend pipe import to weld termination 637, curved Pipe import welding has bend pipe import to weld chamfering 635 on termination 637；

The described welding line joint in low pressure suction pipe 711 right end welds termination 637 with bend pipe import and docks, and welds in bend pipe import Connect and at chamfering 635, constitute the connection of import welded seal；The described welding line joint on low pressure line 723 left end head and pipe outlet weldering Connect termination 617 to dock, at winding pipe exit welding chamfering 615, constitute import welded seal connect；

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

Having 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 is close 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；

Six tracts of runners 688 of deformation are had to be connected between described annular flow road junction 622 and described circular flow channel mouth 621；Described Six tracts of runners 688 of deformation bend flow channel cone 624 part and the described spool fan-shaped cylinder 625 that are contained between have and be connected six Sheet muscle 644 is connected；Single leaf thickness is circular flow channel mouth 621 diameter the 1/15 to 1/16 of described six muscle 644 of connection.

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 IV type water-cooled motor 710 in the present invention and critical component assembling process are as follows:

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

Stator 251 is fixed on motor casing 210 endoporus, rotor 252 is fixed at motor rotary shaft 240 maximum gauge And corresponding with stator 251 position, with eight front screws 221, motor front cover plate 220 is fixed on motor casing 210 On protecgulum concave station face 229, fixed fore bearing 225 cylindrical, fore bearing 225 on the Front Cover Bearing hole 224 of motor front cover plate 220 The fore bearing section 245 of the fixed motor rotary shaft of endoporus 240.

With other eight front screws 221, motor rear end plate 230 is fixed on motor casing 210 rear end face, motor Fixed rear bearing 235 cylindrical, the fixed motor rotary shaft of rear bearing 235 endoporus on the bonnet central blind hole 234 of rear end cap 230 The rear bearing section 243 of 240；Cable passes through the lead-in wire window 250 being positioned on motor casing 210, is connected to external control electricity Source.

Groove fixed motor sealing ring 208, motor sealing ring is had on described motor front cover plate 220 setting circle 208 make to constitute between motor front cover plate 220 and motor casing 210 static seal.

(2), welding line joint pipeline Connection Step:

(1), supercharging welding line joint 743 connect, outlet welded tube chamfering 794 is alignd with high-voltage tube chamfering 796, outlet welded tube fall Carrying out butt welding between angle 794 and high-voltage tube chamfering 796, produce girth weld 795, conversion high-voltage tube 717 welds with volute outlet Constitute weld seam airtight connection between pipe 744 to fix；

(2) as supercharging welding line joint 743 connected mode, respectively by release welding line joint 746, low pressure welding line joint 747 and Pressure accumulation welding line joint 749 carries out butt welding with the pipeline of its both sides, position so that drain line 726 and pressure release runner 752 Between connection, composition weld seam airtight connection is fixed, low pressure line 723 constitutes weld seam airtight connection between connecting with low pressure runner 742 Fixing, film return duct 727 constitutes weld seam airtight connection between connecting with pressure accumulation runner 751 to be fixed；

(3), critical component number of assembling steps:

(1) protecgulum hollow axle 280 is installed:

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

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

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

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

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

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

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

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

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

Three, weld seam 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 weld seam 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 weld seam outlet 744 and supercharging welding line joint 743 successively, Finally it is incorporated to high pressure sea water inlet pipe 719.

Four, reverse osmosis seawater desalting work process:

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

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

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

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

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

Claims

1. application mouse cage water-cooled motor zirconia ceramics weld seam equipment method for desalting seawater, this equipment 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 weld seam pressure-exchange promote pump, reverse osmosis membrane (720) both sides are respectively film intake antrum (718) and film water chamber (728), weld seam pressure-exchange promotes has supercharging welding line joint (743), release welding line joint on pump (746), low pressure welding line joint (747) and pressure accumulation welding line joint (749), pressure accumulation welding line joint (749) and film intake antrum (718) it Between by film return duct (727) connect, film water chamber (728) be connected to desalination water go out pipe (729), film intake antrum (718) and pipeline Connected by high pressure sea water inlet pipe (719) between threeway (769) is suitable for reading, supercharging welding line joint (743) and pipeline threeway (769) side port Between connected by conversion high-voltage tube (717), supplement high-voltage tube (716) two ends respectively with pipeline threeway (769) end opening and vertical Weld seam is permanent to stream device (724) outlet airtight connection, and high pressure make-up pump (714) is connected on supplementary high-voltage tube (716)；Low pressure line (723) two ends are permanent with low pressure welding line joint (747) and side seam to stream device (713) outlet airtight connection respectively, and low pressure carries Rising pump (722) to be connected on low pressure line (723), release welding line joint (746) is connected to drain line (726)；Described increasing Pressure welding line joint (743) includes exporting welded tube chamfering (794) and high-voltage tube chamfering (796) and girth weld (795)；

The level that is in series with between described low pressure lift pump (722) import and described low pressure suction pipe (711) is welded permanent to stream device (713) vertical welding 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 weld seam pressure-exchange promotes pump by boost in pressure weld seam pump portion and weld seam pressure-exchange machine part institute Composition, boost in pressure weld seam pump is driven by mouse cage IV type water-cooled motor (710)；In mouse cage IV type water-cooled motor (710) The overall material of no inner-ring bearing (260) is zirconia ceramics, as improvement:

Described mouse cage IV type water-cooled motor (710) assemble method and welding line joint pipeline Connection Step and union pressure are handed over Workflow of changing planes and reverse osmosis seawater desalting work process are as follows:

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

Stator (251) is fixed on motor casing (210) endoporus, rotor (252) is fixed on motor rotary shaft (240) At major diameter and corresponding with stator (251) position；

Front communication part (217) is laid respectively at end cap front step hole (255) and links up among front step hole (219), by rear communication Part (917) lays respectively at end cap backward step hole (955) and links up among backward step hole (919)；

With eight front screws (221), motor front cover plate (220) is fixed on the protecgulum concave station face of motor casing (210) (229) on, upper fixed fore bearing (225) cylindrical in the Front Cover Bearing hole (224) of motor front cover plate (220), fore bearing (225) The fore bearing section (245) of the fixed motor rotary shaft of endoporus (240)；

With other eight front screws (221), motor rear end plate (230) is fixed on motor casing (210) rear end face, electronic Upper fixed rear bearing (235) cylindrical of the bonnet central blind hole (234) of machine rear end cap (230), rear bearing (235) endoporus is fixed The rear bearing section (243) of motor rotary shaft (240)；Cable passes through the lead-in wire window being positioned on motor casing (210) (250), it is connected to external control power supply；

Groove fixed motor sealing ring (208), motor sealing ring is had on described motor front cover plate (220) setting circle (208) make to constitute between motor front cover plate (220) and motor casing (210) static seal；

(2), welding line joint pipeline Connection Step:

(1), supercharging welding line joint (743) connect, will outlet welded tube chamfering (794) align with high-voltage tube chamfering (796), exporting Carry out butt welding between welded tube chamfering (794) and high-voltage tube chamfering (796), produce girth weld (795), change high-voltage tube (717) and constitute weld seam airtight connection between volute outlet welded tube (744) to fix；

(2) as supercharging welding line joint (743) connected mode, respectively by release welding line joint (746), low pressure welding line joint And the pipeline of pressure accumulation welding line joint (749) and its both sides, position carries out butt welding (747) so that drain line (726) with Between pressure release runner (752) connection, fix, low pressure line (723) connects it with low pressure runner (742) by weld seam airtight connection for composition Between constitute weld seam airtight connection fix, film return duct (727) connect with pressure accumulation runner (751) between composition weld seam airtight connection consolidate Fixed；

(3), weld seam 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 weld seam pressure-exchange machine part Moving part exchanger rotor (740) rotates freely, and exchanger rotor (740) rotates with per second 20, completes pressure-exchange passage A-M Interior flow direction switches, it is achieved pressure-exchange；

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

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

(4), reverse osmosis seawater desalting work process:

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

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

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

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