CN106430721A - High-salt wastewater desalination union treatment machine adopting copper alloys and mouse-cage type air cooling motor - Google Patents

Abstract

The invention relates to a high-salt wastewater treatment machine, in particular to a high-salt wastewater desalination union treatment machine adopting copper alloys and a mouse-cage type air cooling motor. The high-salt wastewater desalination union treatment machine comprises a clarification tank, a filtration tank, a sodium ion exchanger, a carbon remover, a three-level fine filter set and a union energy recovery reverse osmosis assembly. As improved, a pressure boosting union joint, a pressure relief union joint, a suction port union joint and a pressure storage union joint are arranged on a pressure exchange union booster pump; the pressure boosting union joint comprises a volute outlet union retainer ring, a high-pressure conversion union external thread and a volute union outer ring, a volute outlet sealing spherical surface is formed on the volute outlet union retainer ring, a high-pressure conversion sealing concaved conical surface is formed on the high-pressure conversion union external thread, and an outer ring step surface and an outer ring internal thread are formed on the volute union outer ring; two sides of a pump partition are matched with a pressure exchange union casing and a primary pump casing respectively; with the adoption of the union pipe connection structure, connection and mounting in a distorted narrow space can be realized; by the aid of the added pressure exchange union booster pump, the energy saving effect is remarkable.

Description

Copper alloy mouse cage ventilated machine high slat-containing wastewater desalination union handling machine

Technical field

The present invention relates to a kind of high slat-containing wastewater handling machine, belongs to power plant emission waste water treatment engineering technical field, special It is not related to a kind of for copper alloy mouse cage ventilated machine high slat-containing wastewater desalination union handling machine.

Background technology

At present, reverse osmosis desalination technique has been widely used and has removed in desalinization, Treated sewage reusing desalination and natural water The aspects such as salt, as ro treatment technology is pollution index SDI ＜ 3 to the quality requirements that intakes, when water is removed with reverse osmosiss During salt, certain pretreating process before reverse osmosiss, is needed, at present, have than more typical pretreating process：

(1) clarification filtration+multi-medium filtering+activated carbon treatment+reverse osmosiss；

(2) clarification filtration+hyperfiltration/microfiltration film process+reverse osmosiss；

(3) bio-aeration BAF+ filtration+ultrafiltration+reverse osmosiss；

No matter how complicated above-mentioned typical handling process system is, the purpose of its pretreatment be all by the float in water and organic Thing is removed from water, prevents reverse osmosiss from the pollution that Organic substance and inorganic suspended particles cause, feed water by reverse osmosis dissolubility occurring The fouling tendency that solid is caused is adjusted by two parameters, and first is the response rate of reverse osmosiss；Second be add a certain amount of Prevent from reverse osmosis antisludging agent of the water scale deposition on film to complete, both modes are the reliability for ensureing reverse osmosiss effectively operation Ensure.In this counter-infiltration system, the pH value general control of feed water by reverse osmosis in 6-8.5, that is, in neutral range.

Known efficient high slat-containing wastewater handling machine, employs Calx/soda handling process and Na-ion exchanger phase In conjunction with handling process, reverse osmosis unit filter before successively the carbonate hardness in high slat-containing wastewater and permanent hardness are carried out Reduce and exchange, and by the pH value adjustment position 6 of waste water with up to less than 8.5, substantially increase returning for water in reverse osmosis unit Yield, and after treatment using not by the high slat-containing wastewater of reverse osmosis membrane as the regenerative agent of Na-ion exchanger, both saved With water and the consumption of regenerative agent, and the high slat-containing wastewater with sodium at high concentration ion is applied back system, system Water Sproading again Rate is improved operating cost and is reduced.

The common issue of above-mentioned technique is, through the good and bad consistency depending on permeable membrane of reverse-osmosis treated water quality, consistency More high then water quality treatment purity is also higher, while require for the pretreating sewage for participating in infiltration to bring up to higher pressure, inevitable Increase engineering electric energy consumption.There is reverse osmosis concentrated water treatment capacity during high slat-containing wastewater is processed in existing reverse osmosis technology Low and with electric energy consumption big the problems such as.

Therefore, develop that good processed water quality, operational efficiency be high, engineering cost is low, be to solve high slat-containing wastewater environmental pollution The important means of problem, and the difficulty for being currently badly in need of capturing.The overbottom pressure energy regenerating effect of the high-pressure thick salt of reverse osmosiss retention Rate has become the key for reducing high slat-containing wastewater desalination cost.

Content of the invention

For solving above-mentioned technical problem, the present invention provides copper alloy mouse cage ventilated machine high slat-containing wastewater desalination union and processes Machine, to reduce the purpose of energy consumption.The purpose of the present invention is achieved by the following technical programs：

Copper alloy mouse cage ventilated machine high slat-containing wastewater desalination union handling machine, including：Depositing reservoir, filter tank, sodium ion exchange Device, carbon dioxide cleaner, three-level suit fine filter and union energy regenerating reverse osmosiss molectron, the union energy regenerating reverse osmosiss molectron Including pressure-exchange union supercharging pump and reverse osmosis module, pressure-exchange union supercharging pump by multi-stage booster union pump and by Nonyl pressure-exchange turbine two parts are constituted, and there is switch impeller union pressure-exchange turbine part；Multi-stage booster union pumping section Point by primary impeller of pump, middle before impeller, impeller and final pumps impeller constitutes behind centre level Four connect impeller, multi-stage booster by Nonyl pump is driven by mouse cage water-cooled ventilated machine, by pump union dividing plate between multi-stage booster union pump and union pressure-exchange turbine It is connected；As improvement：

There are supercharging union joint, release union joint, suction inlet union joint and storage on described pressure-exchange union supercharging pump Pressure union joint, suction inlet union joint is connected to suction inlet pipeline, and supercharging union joint is connected to change high pressure valve pipe, release union It is connected by recycling pipeline between joint and ion-exchange unit；Flowed back by film between pressure accumulation union joint and the outlet of membrane filtration ante-chamber Pipe connects；

Described supercharging union joint is included outside volute outlet collar union and conversion high pressure union external screw thread and spiral case union Circle, has volute outlet sealing sphere in volute outlet collar union, have conversion high pressure sealing recessed on conversion high pressure union external screw thread The conical surface, spiral case union outer ring Shang You outer ring step surface and outer ring female thread, outer ring step surface limits volute outlet collar union, Outer ring female thread is coordinated between volute outlet sealing sphere and conversion high pressure sealing concave cone face with conversion high pressure union external screw thread Hard sealing is produced, constitutes supercharging union joint；

Pump dividing plate both sides are coordinated with pressure-exchange union casing and primary pump case respectively, and pump dividing plate is cylindrical to have exchange pump to hold Ring is connect, it is dividing plate top bar between plane that the cylindrical and exchange pump of pump dividing plate is accepted on ring；The cylindrical and switch of pump dividing plate Pump is accepted and is got out of a predicament or an embarrassing situation for dividing plate between ring lower plane；

Described pump dividing plate both sides have baffle shaft spacer and dividing plate bearing block respectively, and dividing plate inner hole of bearing seat has dividing plate on outer end Hole draw-in groove, has partition board hole jump ring in partition board hole draw-in groove；

It is provided with primary bearing roller between dividing plate inner hole of bearing seat is cylindrical with primary boss, described dividing plate inner hole of bearing seat table Face and the cylindrical outer round surface of primary boss all have the copper alloy hard wear-resistant coating that a layer thickness is 0.62 0.64 millimeters；Copper is closed The material of golden hard wear-resistant coating is elementary composition by following percentage by weight：Cu:12—14%、 W:3.4—3.6%、Ni: 2.3—2.5%、Cr:2.2—2.4%、Nb:1.4—1.6%、Al:1.3—1.5%、C:1.1 1.3%, balance of Fe and can not keep away The impurity that exempts from；The weight percent content of the impurity is：P is less than less than 0.21%, Mn less than 0.08%, Si less than 0.08%, Sn 0.028%th, S is less than 0.014%；The material Specifeca tion speeification of copper alloy hard wear-resistant coating is：Rockwell hardness HRC value is 58 60；

Described primary bearing roller entirety material is zirconia ceramicss, with ZrO₂(zirconium dioxide) composite is base material, It is equipped with mineralizer MgO (magnesium oxide), BaCO₃(brium carbonate) and bonding clay constitute, and the percentage by weight of its each component contains Measure as ZrO₂:92.5—92.7； MgO:2.22 2.24%； BaCO₃:2.84 2.86%, remaining is bonding clay.

As improving further：Described mouse cage water-cooled ventilated machine includes motor housing, front motor cover plate, motor rear cover Plate, machine shaft, stator, rotor and impeller hub, leaded window and water inlet lug and water outlet on motor housing outer wall Lug, has fixing threaded hole on the case nose face of motor housing and outer casing back face, and stator is fixed on motor housing endoporus, Rotor is fixed at machine shaft maximum gauge and corresponding with position of stator, has front screw to be fixed on motor on front motor cover plate Case nose face, on the Front Cover Bearing hole of front motor cover plate, fixed fore bearing is cylindrical, the fixed machine shaft of fore bearing endoporus Rotating shaft fore bearing section；

Have rear screw to be fixed on motor housing rear end face on motor rear cover plate, fixed on the bonnet dead eye of motor rear cover plate after Bearing top circle, bearing section after the rotating shaft of the fixed machine shaft of rear brearing bore, after rotating shaft, there is main shaft end bearing section rear end, main Fixed motor blower fan on shaft end, fan blade outer housing be fixed on motor rear cover plate cylindrical on；

There is cooling sandwith layer between the outer wall of motor housing and inwall, cooling sandwith layer gets around lead window arrangement, cooling sandwith layer circumference Isolation two ends have respectively into water through hole and water outlet through hole, and intaking between through hole and water outlet through hole has isolation bar to separate Open, the rear end fuisw rib distributed fault dentate arrangement for arranging on the inside of front end fuisw rib and the outer casing back face for arranging on the inside of case nose face, So that increasing flow velocity in cooling sandwith layer, cooling effect is improved；

There is water outlet taper thread on water outlet lug, water outlet taper thread bottom leads to water outlet through hole, has into water cone spiral shell on water inlet lug Stricture of vagina, water inlet taper thread bottom leads to water inlet through hole；Front motor cover plate is fixed with protecgulum axle spacer, protecgulum axle spacer and final stage leaf There is a final stage no inner-ring bearing between wheel hub；

Have axle spacer flange on protecgulum axle spacer, have on the outside of axle spacer flange pump bearing prop up hold round, pump bearing shoulder block and axle spacer Through hole, has axle spacer stepped hole and axle spacer to adjust step on the inside of axle spacer flange, axle spacer adjusts the cylindrical and protecgulum axle of step It is interference fits between bearing bore, axle spacer is adjusted on step sealing ring draw-in groove, has axle spacer sealing ring, axle on sealing ring draw-in groove Static seal is constituted between spacer sealing ring and Front Cover Bearing hole；Have on motor housing end face electricity secret seal and front motor cover plate it Between constitute static seal；Between axle spacer stepped hole and axle spacer through hole, organic envelope dismantles groove, is easy to specific purpose tool demountor envelope group Part.

Beneficial effects of the present invention：

1. the present invention adopts union pipeline jointing construction, can be competent at and distort narrow space connection installation；Pressure is particularly set up Exchange union supercharging pump, by fail to pass through reverse osmosis membrane 70% the pressure accumulation brackish water that dams among high-pressure energy had Effect is recycled, and realizes the purpose of energy-saving and emission-reduction, and energy-saving effect is obvious, reduces the close-coupled processing work of power plant emission waste water desalination Skill cost；

2. between the outer wall of the motor housing among mouse cage water-cooled ventilated machine and inwall, cooling sandwith layer is had, cooling sandwith layer gets around Lead window is arranged, cooling sandwith layer circumference isolation two ends have respectively into water through hole and water outlet through hole, intake through hole and go out There is isolation bar to separate between water through hole, arrange on the inside of the front end fuisw rib for arranging on the inside of case nose face and outer casing back face Rear end fuisw rib dislocation arrangement so that increase flow velocity in cooling sandwith layer, improve cooling effect；

3. the copper alloy hard wear-resistant coating of dividing plate bearing block bore area and the cylindrical outer round surface of primary boss is made pottery with zirconium oxide The primary bearing roller collocation of porcelain, anti-corrosion is again wear-resisting.

Description of the drawings

Fig. 1 is flow chart of the present invention.

Fig. 2 is that the union energy constituted by the pressure-exchange union supercharging pump 908 in Fig. 1 and reverse osmosis module 909 is returned Receive reverse osmosiss molectron amplification profile structural representation.

Fig. 3 is the pressure-exchange union supercharging 908 cut-away section enlarged drawing of pump in Fig. 2.

Fig. 4 is the profile of the boost in pressure union pump portion among the pressure-exchange union supercharging pump 908 in Fig. 3.

Fig. 5 is the profile at 743 position of supercharging union joint in Fig. 4.

Fig. 6 is 717 part of conversion high pressure valve pipe in Fig. 5.

Fig. 7 is 744 part of volute outlet union pipe in Fig. 5.

Fig. 8 is 795 part of spiral case union outer ring in Fig. 5.

Fig. 9 is that the front motor cover plate 220 in Fig. 4 individually rotates enlarged drawing.

Figure 10 is the independent enlarged drawing of motor housing 210 in Fig. 4.

Figure 11 is Figure 10 side view.

Figure 12 is the expanded view in Figure 10 along 222 center line of cooling sandwith layer.

Figure 13 is the profile at 760 position of final stage no inner-ring bearing in Fig. 4.

Figure 14 is 280 profile of protecgulum axle spacer in Fig. 4.

Figure 15 is 770 profile of final stage impeller of pump in Fig. 4.

Figure 16 is the 300 cut-away section enlarged drawing of middle rear class pump case in Fig. 3.

Figure 17 is the 400 cut-away section enlarged drawing of middle prime pump case in Fig. 3.

Figure 18 is the pressure-exchange union casing 350 in Fig. 3 and primary 800 cut-away section enlarged drawing of pump case.

Figure 19 is 308 profile of primary impeller of pump in Figure 18.

Figure 20 is 333 profile of pump union dividing plate in Figure 18.

Figure 21 is the profile of the switch union outer ring 357 in Figure 18.

Figure 22 is the profile for exchanging machine bearing 380 and primary 880 position of bearing roller in Figure 18.

Figure 23 is 890 enlarged cross-sectional view of machine impeller boss in Figure 22.

Figure 24 is position upward view residing for step backing-up screw 274 in Figure 22.

Figure 25 is the profile that the vertical union perseverance in Fig. 1 crosses axial line to stream device 713（Positive circulation status).

Figure 26 is that in Figure 25, vertical union is permanent to stream device 713 in reverse blocking state.

Figure 27 is the mobile valve element sectional axonometric drawing in Figure 25 or Figure 26.

Figure 28 is the mobile valve element profile in Figure 25 or Figure 26.

Figure 29 is X X sectional view in Figure 25.

Figure 30 is Y Y sectional view in Figure 25.

Figure 31 is Z Z sectional view in Figure 25.

Figure 32 is the amplification profile of the three-level suit fine filter 900 in Fig. 1.

Figure 33 is the independent amplification profile of the coarse net filter screen 911 in Figure 32.

Figure 34 is the independent amplification profile of the middle net filter screen 910 in Figure 32.

Figure 35 is the independent amplification profile of the fine-structure mesh filter screen 959 in Figure 32.

Figure 36 is the independent amplification profile of the multistage filter screen shell 958 in Figure 32.

Specific embodiment

Below by specific embodiment, the method for the present invention is illustrated, so that technical solution of the present invention is easier to reason Solution, grasp, but the invention is not limited in this.Experimental technique described in following embodiments, if no special instructions, is conventional side Method；The reagent and material, if no special instructions, all commercially obtain.

In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 18, Figure 25 and Figure 32, copper alloy mouse cage ventilated machine high slat-containing wastewater takes off Salt union handling machine, including：Depositing reservoir 901, filter tank 905, Na-ion exchanger 906, carbon dioxide cleaner 907, three-level suit fine straining Device 900 and union energy regenerating reverse osmosiss molectron, the union energy regenerating reverse osmosiss molectron includes that pressure-exchange union increases Press pump 908 and reverse osmosis module 909, pressure-exchange union supercharging pump 908 is handed over by multi-stage booster union pump and union pressure Change turbine two parts to be constituted, there is switch impeller 340 union pressure-exchange turbine part；Multi-stage booster union pump portion has just Level impeller of pump 308, middle before impeller 304, impeller 302 and final stage impeller of pump 770 constitute behind centre level Four series connection impeller, multistage Supercharging union pump is driven by mouse cage water-cooled ventilated machine 710, by machine between multi-stage booster union pump and union pressure-exchange turbine Pump union dividing plate 333 is connected；

Described union energy regenerating reverse osmosiss molectron includes pressure-exchange union supercharging pump 908 and reverse osmosis module 909 And low pressure threeway 496, vertical union perseverance are to stream device 713, high voltage startup pump 714 and Highpressure Tee 769, reverse osmosis module 909 It is made up of reverse osmosis membrane 720 and the membrane filtration ante-chamber 718 positioned at 720 both sides of reverse osmosis membrane and membrane filtration back cavity 728；Described pressure Power is exchanged on union supercharging pump 908 has four external pipelines to be respectively：Suction inlet pipeline 723, conversion high pressure valve pipe 717, film are returned Flow tube 727 and recycling pipeline 726, by filter outlet pipe 926 between the right mouth of low pressure threeway 496 and three-level suit fine filter 900 Connection, the left mouth of low pressure threeway 496 is connected to suction inlet pipeline 723,496 time mouths of low pressure threeway permanent with vertical union to flow device 713 it Between connected from perseverance to stream device inlet tube 712；The left mouth of Highpressure Tee 769 is connected to change high pressure valve pipe 717, under Highpressure Tee 769 Mouth is connected by high pressure manifold trunk 307 between 718 import of membrane filtration ante-chamber, and Highpressure Tee 769 is suitable for reading permanent with vertical union to stream device Connected from perseverance to stream device outlet 716 between 713, high voltage startup pump 714 is connected on permanent on stream device outlet 716；

There are clear pond water inlet 329 and clear pond outlet 429 on depositing reservoir 901, clear pond outlet 429 leads to filter tank 905, filter tank 905 lead to Na-ion exchanger 906, and Na-ion exchanger 906 leads to carbon dioxide cleaner 907, three-level suit fine filter 900 and carbon dioxide cleaner Connected by filter water inlet pipe 917 between 907, on filter water inlet pipe 917, bypass has adder-subtractor 976；

Being provided with depositing reservoir 901 plus Calx device 903, plus soda device 902, appropriate lime solution is added in order to Xiang Chizhong Control carbonate hardness and the permanent hardness of high slat-containing wastewater with soda ash solution；

Means for feeding acid 904 is provided with clear pond outlet 429 between depositing reservoir 901 and filter tank 905, in order to high slat-containing wastewater The appropriate acid of middle addition, to adjust pH value below 8.5；

Na-ion exchanger 906, in order to exchange the permanent hardness in high slat-containing wastewater；

Carbon dioxide cleaner 907, in order to control carbon dioxide content in high slat-containing wastewater；

Three-level is set with fine filter 900, in order to leach the granulometric impurity in high slat-containing wastewater, makes up to reverse osmosis unit 909 Inflow requirement；

Union energy regenerating reverse osmosiss molectron, which is connected with carbon dioxide cleaner 907, wherein in union energy regenerating reverse osmosiss molectron Adder-subtractor 976 is provided between carbon dioxide cleaner 907, in order to add appropriate alkali in high slat-containing wastewater, to adjust pH value 6 More than, union energy regenerating reverse osmosiss molectron is connected by return duct 726 with Na-ion exchanger 906, in sodium ion exchange During device regeneration, use as regenerative agent in Na-ion exchanger 906 in order to import unfiltered concentration waste water；

Film recovery tube 729, which is connected with union energy regenerating reverse osmosiss molectron, standby towards water purification reservoir.

As improvement：Supercharging union joint 743, release union is had to connect on described pressure-exchange union supercharging pump 908 746, suction inlet union joint 747 and pressure accumulation union joint 749, suction inlet union joint 747 is connected to suction inlet pipeline 723, supercharging Union joint 743 is connected to change high pressure valve pipe 717, by recycling between release union joint 746 and ion-exchange unit 906 Pipeline 726 connects；Pressure accumulation union joint 749 is connected by film return duct 727 between being exported with described membrane filtration ante-chamber 718；

In Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, described supercharging union joint 743 includes volute outlet collar union 796 and conversion , there is volute outlet sealing sphere high pressure union external screw thread 792 and spiral case union outer ring 795 in volute outlet collar union 796 797, there is conversion high pressure sealing concave cone face 793 on conversion high pressure union external screw thread 792, on spiral case union outer ring 795, have outer ring platform Terrace 794 and outer ring female thread 798, outer ring step surface 794 limits volute outlet collar union 796, outer ring female thread 798 with Conversion high pressure union external screw thread 792 coordinates and will produce between volute outlet sealing sphere 797 and conversion high pressure sealing concave cone face 793 Hard sealing, constitutes supercharging union joint 743；

In Fig. 2, Fig. 3, Fig. 4, Figure 13, Figure 14 and Figure 15, described pressure-exchange union supercharging pump 908 includes final stage pump case 730th, middle rear class pump case 300, middle prime pump case 400, primary pump case 800 and pressure-exchange union casing 350 and mouse cage Water-cooled ventilated machine 710；There are front motor cover plate 220 and machine shaft 240, front motor cover plate on mouse cage water-cooled ventilated machine 710 Protecgulum axle spacer 280 is fixed with 220, and 240 outer end of machine shaft is spline shaft 246, before 220 outer rim of front motor cover plate has Cover plate flange 201, has front shroud through hole 207 on front shroud flange 201；

There are described supercharging union joint 743, final stage step surface 715, final stage intracavity concave cone wall on described final stage pump case 730 609 and pump housing rear end face 200,730 intracavity of final stage pump case has final stage impeller of pump 770, has final stage inlet opening on final stage impeller of pump 770 299th, impeller boss rank 737, final stage wheel convex cone face 579 and impeller hub 290,290 inner end of impeller hub has end Level hub stepped hole 296, has final stage hub bore bottom surface 295, has final stage on final stage hub bore bottom surface 295 on 296 bottom surface of final stage hub stepped hole Spline slotted eye 781, joins for the axially slidable of spline tooth circumferential engagement between final stage spline slotted eye 781 and spline shaft 246 Close；There is stepped hole escape 293 on 296 back segment of final stage hub stepped hole, on 296 leading portion of final stage hub stepped hole, have hub axle to hold draw-in groove 298, hub axle holds clearance fit in draw-in groove 298 pumping holes jump ring 291；

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

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

Motor shaft is had to stretch into hole 285 and motor fixing threaded hole 204 on pump housing rear end face 200 respectively, in 715 plane of final stage step surface There is final stage step screw 601；There are motor seal pad 202, six motors between pump housing rear end face 200 and front shroud flange 201 Spiral shell is fixed with motor after the sealing gasket through hole that flange screw 205 is passed through on front shroud through hole 207 and motor seal pad 202 successively The connection fastening of hole 204, mouse cage water-cooled ventilated machine 710 is fixed on pump housing rear end face 200；

In Fig. 3 and Figure 16, on described middle rear class pump case 300, there are middle rear class intracavity concave cone wall 829, middle rear class intracavity circle 351st, middle rear class step 325 and middle rear class inner chamber 320, have middle rear class step screw in middle 325 plane of rear class step 603, there is impeller 302 behind centre among middle rear class inner chamber 320, middle rear class intracavity is justified in 351 planes middle rear class convex Marginal pore 602；There are middle rear class suction inlet 399, middle rear class impeller boss rank 312, step cone convex cone behind centre behind centre on impeller 302 Face 529 and middle rear class impeller concave station rank 321, middle rear class impeller concave station rank 321 is joined with described impeller boss rank 737 Close, on middle 321 baseplane of rear class impeller concave station rank, have middle rear class spline slotted eye 382, middle rear class spline slotted eye 382 and flower Between key power transmission shaft 246 for spline tooth circumferential engagement axially slidable cooperation；After middle rear class intracavity concave cone wall 829 and centre Rear class rotary gap 319 in the middle of constituting between step cone convex cone face 529, middle rear class rotary gap 319 limits this grade of liquid countercurrent； Middle rear class intracavity circle 351 is coordinated with final stage step surface 715, and final stage screw passes through middle rear class convex marginal pore 602 and final stage platform Rank screw 601 coordinates, and is fixed together closed with final stage pump case 730 for middle rear class pump case 300；

In Fig. 3 and Figure 17, on described middle prime pump case 400, there are middle prime intracavity concave cone wall 649, middle prime intracavity circle 452nd, middle prime step 472 and middle prime inner chamber 420, have impeller 304 before centre among middle prime inner chamber 420, middle Prime intracavity is justified in 452 planes middle prime convex marginal pore 604, has middle prime step in middle 472 plane of prime step Screw 605；There are middle prime suction inlet 499, middle prime impeller boss rank 417, middle front step cone convex cone before middle on impeller 304 Face 549 and middle prime impeller concave station rank 421, middle prime impeller concave station rank 421 and described middle rear class impeller boss rank 312 coordinate, and have middle prime spline slotted eye 487, middle prime spline slotted eye on middle 421 baseplane of prime impeller concave station rank Between 487 and spline shaft 246 for spline tooth circumferential engagement axially slidable cooperation；Middle prime intracavity concave cone wall 649 With constitute between step cone convex cone face 549 before centre in the middle of prime rotary gap 409, middle prime rotary gap 409 limits this level Liquid countercurrent；Middle prime intracavity circle 452 is coordinated with middle rear class step 325, and middle rear class screw passes through middle prime convex Marginal pore 604 is coordinated with middle rear class step screw 603, is fixed on closed with middle rear class pump case 300 for middle prime pump case 400 Together；

In Fig. 2, Fig. 3, Figure 18, Figure 19, Figure 20, Figure 21, Figure 22, Figure 23 and Figure 24,333 both sides of pump union dividing plate respectively with pressure Power exchanges union casing 350 and primary pump case 800 coordinates, and pump union dividing plate 333 is cylindrical to have exchange pump to accept ring 355, machine It is dividing plate top bar 352 between plane that the cylindrical and exchange pump of pump union dividing plate 333 is accepted on ring 355；Pump union dividing plate 333 Cylindrical and exchange pump and accept between 355 lower plane of ring and get out of a predicament or an embarrassing situation 358 for dividing plate；

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

Pressure-exchange union casing 350 is suitable for reading exchange casing collar union 365, and exchanging 365 end face of casing collar union has friendship Change chassis cavity circle 551, exchange chassis cavity circle 551 with dividing plate get out of a predicament or an embarrassing situation between 358 be interference fits, play positioning action；

Exchanging pump and ring 355 is accepted positioned at exchanging between 365 end face of casing collar union and primary 356 end face of union flange, hands over Pump of changing planes is accepted outside ring 355 switch union outer ring 357, and switch union outer ring 357 is by 359 He of switch union step surface Switch union female thread 533 is constituted, and switch union step surface 359 is located at and exchanges 365 back side of casing collar union；Exchange Machine union female thread 533 is coordinated with primary union external screw thread 833, exchanges 365 end face of casing collar union and primary union flange 356 extrude exchange pump together accepts the composition switch pump seal of ring 355；

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

There is primary barrel inner circle 378 described 800 upper surface of primary pump case, and 800 inwall of primary pump case has concave cone wall in primary barrel 869,800 inner chamber of primary pump case has primary impeller of pump 308；There are primary flange hole 606, primary barrel in 378 plane of primary barrel inner circle Inner circle 378 is coordinated with middle prime step 472, and primary screw is passed through primary flange hole 606 and joined with middle prime step screw 605 Close, be fixed together closed with middle prime pump case 400 for primary pump case 800；

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

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

Primary bearing roller 880, primary bearing roller are provided between 696 endoporus of dividing plate bearing block cylindrical with primary boss 818 880 two ends are located at partition board hole respectively between jump ring 891 and dividing plate bearing regulation ring 892, dividing plate bearing regulation ring 892 be located at every On 696 endoporus baseplane of board shaft bearing；

880 upper end of primary bearing roller is also abutted on primary boss terrace 876, and 268 wherein one end of pump cylinder needle roller abuts in On pump bearing shoulder block 867；Primary bearing roller 880 is limited to the axial direction of level Four series connection impeller together with pump cylinder needle roller 268 System；

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

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

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

Described 696 bore area of dividing plate bearing block and cylindrical 818 outer round surface of primary boss all have a layer thickness for 0.63 milli The copper alloy hard wear-resistant coating of rice；The material of copper alloy hard wear-resistant coating is elementary composition by following percentage by weight：Cu: 13%、 W:3.5%、Ni:2.4%、Cr:2.3%、Nb:1.5%、Al:1.4%、C:1.2%, balance of Fe and inevitable impurity； The weight percent content of the impurity is：P is 0.05%, Sn is 0.04%, Si is 0.17%, Mn is 0.024%, S is 0.009%； The material Specifeca tion speeification of copper alloy hard wear-resistant coating is：Rockwell hardness HRC value is 59；

The overall material of described primary bearing roller 880 is zirconia ceramicss, with ZrO₂(zirconium dioxide) composite is base Material, is equipped with mineralizer MgO (magnesium oxide), BaCO₃(brium carbonate) and bonding clay constitute, and the percentage by weight of its each component Content is ZrO₂:92.6； MgO:2.23%； BaCO₃:2.85%, remaining is bonding clay.

As improving further：In Fig. 2, Fig. 3, Fig. 4, Fig. 9, Figure 10, Figure 11 and Figure 12, the air-cooled electricity of described mouse cage water-cooled Machine 710 includes motor housing 210, front motor cover plate 220, motor rear cover plate 230, machine shaft 240, stator 251, rotor 252 With impeller hub 290, leaded window 250 and water inlet lug 237 and water outlet lug 217, electricity on 210 outer wall of motor housing There is fixing threaded hole 288 on the case nose face 281 of machine shell 210 and outer casing back face 283, stator 251 is fixed on outside motor On 210 endoporus of shell, rotor 252 is fixed at 240 maximum gauge of machine shaft and corresponding with 251 position of stator, front motor cover Front screw 221 is had to be fixed on 210 front end face of motor housing on plate 220, fixing on the Front Cover Bearing hole 224 of front motor cover plate 220 That fore bearing 225 is cylindrical, the rotating shaft fore bearing section 245 of the fixed machine shaft 240 of 225 endoporus of fore bearing；

Rear screw 231 is had to be fixed on 210 rear end face of motor housing, the bonnet bearing of motor rear cover plate 230 on motor rear cover plate 230 On hole 234, fixed rear bearing 235 is cylindrical, bearing section 243 after the rotating shaft of the fixed machine shaft 240 of 235 endoporus of rear bearing, turns After axle, there is main shaft end 233 243 rear end of bearing section, fixed motor blower fan 232 on main shaft end 233, and fan blade outer housing 212 is fixed On motor rear cover plate 230 is cylindrical；

There is cooling sandwith layer 222 between the outer wall of motor housing 210 and inwall, cooling sandwith layer 222 gets around lead window 250 and arranges, 222 circumference of cooling sandwith layer isolation two ends have respectively into water through hole 238 and water outlet through hole 218, intake through hole 238 and water outlet Isolation bar 286 is had to separate between through hole 218, front end fuisw rib 226 and outer casing back that 281 inner side of case nose face is arranged 236 distributed fault dentate of the rear end fuisw rib arrangement that 283 inner side of face is arranged so that increase flow velocity in cooling sandwith layer 222, improves cooling effect Really；

There is water outlet taper thread 219 on water outlet lug 217,219 bottom of water outlet taper thread leads to water outlet through hole 218, lug of intaking Have on 237 into water taper thread 239,239 bottom of taper thread that intakes leads to water inlet through hole 238；Before front motor cover plate 220 is fixed with Lid axle spacer 280, has a final stage no inner-ring bearing 760 between protecgulum axle spacer 280 and impeller hub 290；

There is axle spacer flange 807 on protecgulum axle spacer 280, have pump bearing to prop up on the outside of axle spacer flange 807 and hold round 289, pump bearing Shoulder block 867 and axle spacer through hole 804,807 inner side of axle spacer flange has axle spacer stepped hole 284 and axle spacer to adjust step 882, It is interference fits and Front Cover Bearing hole 224 between that axle spacer adjusts step 882 cylindrical, and axle spacer is adjusted on step 882 sealing Circle draw-in groove 809, has axle spacer sealing ring 209, between axle spacer sealing ring 209 and Front Cover Bearing hole 224 on sealing ring draw-in groove 809 Constitute static seal；There is composition static seal between electricity secret seal 208 and front motor cover plate 220 on 210 end face of motor housing；Axle every Between set stepped hole 284 and axle spacer through hole 804, organic envelope dismantles groove 808, is easy to specific purpose tool demountor sealing assembly 248.

As improving further：In Fig. 1, Figure 25, Figure 26, Figure 27, Figure 28, Figure 29, Figure 30 and Figure 31, described vertical by Nonyl is permanent to include union head valve body 150, upper baffle 130, in pairs half-open cylinder 160, mobile valve element 170, lower water conservancy diversion to stream device 713 The taper hole gland 140 of body 180 and arrangement symmetrical above and below, the cylindrical upper and lower ends of described union head valve body 150 have valve body Union external screw thread 155, under perseverance has collar union female adapter cylindrical with union head valve body 150 to 712 upper end of stream device inlet tube 155 matched seal of the valve body union external screw thread fastening at end, permanent also have collar union female adapter to 716 lower end of stream device outlet Fasten with 155 matched seal of valve body union external screw thread of 150 cylindrical upper end of union head valve body；

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

As improving further：In Fig. 1, Figure 29, Figure 30, Figure 31, Figure 32 and Figure 33, described three-level is set with fine filter 900 include coarse net filter screen 911, middle net filter screen 910, fine-structure mesh filter screen 959 and multistage filter screen shell 958, multistage filter screen shell 958 Lower bottom part is dished (torispherical) head 927, has at least three support feets 954 under dished (torispherical) head 927, has per the bottom of only support feet 954 and props up Support fixed plate 953,927 bottom lowest point of dished (torispherical) head has bottom opening 957 to connect screening outlet 955；Multistage filter screen shell 958 outer middle side parts have perforate 925 in the middle part of outer tube, stop valve 964 and filter outlet pipe 926 after connection filter；Multistage filter screen shell 958 Upper top be outer tube flange 945 suitable for reading, there are outer tube seal groove 942 and outer tube flange screw in outer tube 945 upper surface of flange suitable for reading 943；

959 main body of fine-structure mesh filter screen is sleeved on multistage 958 inner chamber of filter screen shell, and fie screen base plate 971 is arranged at 959 bottom of fine-structure mesh filter screen, There is gap between fie screen base plate 971 and described dished (torispherical) head 927；The upper top of fine-structure mesh filter screen 959 is fine-structure mesh flange suitable for reading 975, there are the outer ring through hole 973 of fine-structure mesh flange and fine-structure mesh flange inner ring screw 974, fine-structure mesh flange inner ring on fine-structure mesh flange 975 suitable for reading 974 internal ring of screw has fine-structure mesh seal groove 972；Have between fine-structure mesh 975 lower plane of flange suitable for reading and plane on outer tube flange 945 suitable for reading Outer tube sealing ring 923 constitutes static sealing, and outer tube sealing ring 923 is located among described outer tube seal groove 942；Outside at least three groups The cylinder quick screw 961 of level pass through after the outer ring through hole 973 of fine-structure mesh flange with the closed fastening of described outer tube flange screw 943；

Middle 910 main body of net filter screen is sleeved on 959 inner chamber of fine-structure mesh filter screen, and middle filter screen base plate 981, middle filter are arranged at middle 910 bottom of net filter screen There is gap between net bottom plate 981 and described fie screen base plate 971；The upper top of middle net filter screen 910 online mouth flange in being 985, in have the outer ring through hole 983 of middle net flange and middle net flange inner ring screw 984, middle net flange inner ring on online mouth flange 985 984 internal ring of screw has middle net seal groove 982；In have between online 985 lower plane of mouth flange and plane on fine-structure mesh flange 975 suitable for reading Fine-structure mesh sealing ring 962 constitutes static sealing, and fine-structure mesh sealing ring 962 is located among described fine-structure mesh seal groove 972；At least three groups thin Net quick screw 913 pass through after the outer ring through hole 983 of middle net flange with described 974 closed fastening of fine-structure mesh flange inner ring screw；

911 main body of coarse net filter screen is sleeved on middle 910 inner chamber of net filter screen, and coarse strainer base plate 991, coarse filtration are arranged at 911 bottom of coarse net filter screen There is gap between net bottom plate 991 and described middle filter screen base plate 981；The upper top of coarse net filter screen 911 is coarse net face-flange 995, there are the outer ring through hole 993 of coarse net flange and coarse net flange inner ring screw 994, coarse net flange inner ring on coarse net face-flange 995 994 internal ring of screw has coarse net seal groove 992；995 lower plane of coarse net face-flange and in have between plane on online mouth flange 985 Middle net sealing ring 921 constitutes static sealing, and middle net sealing ring 921 is located among described middle net seal groove 982；In at least three groups Net quick screw 914 pass through after the outer ring through hole 993 of coarse net flange with described middle 984 closed fastening of net flange inner ring screw；

919 centre bit of filter prime cover plate is equipped with filter front shroud perforate 918, and filter front shroud perforate 918 is connected to filter water inlet pipe 917, there is cover plate through hole corresponding with described coarse net flange inner ring screw 994 on filter prime cover plate 919；Filter prime cover plate 919 Lower plane and plane on coarse net face-flange 995 between have coarse net sealing ring 920 constitute static sealing, coarse net sealing ring 920 Among described coarse net seal groove 992；The cover plate that the quick screw 915 of at least three groups coarse nets is passed through on filter prime cover plate 919 With described 994 closed fastening of coarse net flange inner ring screw after through hole.

In embodiment：It is 98% and to boron ion with the de- function of selection that reverse osmosis membrane 720 is selected to sodium chloride rejection One polysulphone reverse osmosis tubular membrane component of Type B, and carry timing automatic cleaning device.

The first, technique screw blocking 607 is set on concave cone wall 869 in primary barrel, when the blocking 607 of technique screw is from primary intracavity When laying down on concave cone wall 869, specific purpose tool may pass through the technique screw after technique screw blocking 607 is laid down, and specific purpose tool is manipulated Primary screw is passed through primary flange hole 606 and is coordinated with middle prime step screw 605, by primary pump case 800 and middle backing pump Shell 400 is closed to be fixed together；

When technique screw blocking 607 is mounted in primary barrel on concave cone wall 869, it can be ensured that primary inner chamber 820 of discharging is inhaled with primary Enter between inner chamber 520 and isolation is realized, primary discharge is only subject between primary rotation between inner chamber 820 and primary suction inner chamber 520 Gap 849 affects；

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

2nd, described mouse cage water-cooled ventilated machine 710 is assembled and the connection of union fitting passage and critical component assembling step Rapid as follows：

（One）, mouse cage water-cooled ventilated machine 710 assembles：

Stator 251 is fixed on 210 endoporus of motor housing, rotor 252 is fixed at 240 maximum gauge of machine shaft and with 251 position of stator is corresponding, outside the end cap casing through hole 275 for being passed through on front motor cover plate 220 with eight front screws 221 and motor Casing end face screw on 210 front end face of shell matches, and front motor cover plate 220 is fixed on the front end face of motor housing 210 On, on the Front Cover Bearing hole 224 of front motor cover plate 220, fixed fore bearing 225 is cylindrical, the fixed motor of 225 endoporus of fore bearing The rotating shaft fore bearing section 245 of rotating shaft 240；With other eight front screws 221, motor rear cover plate 230 is fixed on motor housing 210 Rear end face, on the bonnet dead eye 234 of motor rear cover plate 230, fixed rear bearing 235 is cylindrical, and 235 endoporus of rear bearing is fixed Bearing section 243 after the rotating shaft of machine shaft 240, the lead window 250 that cable is passed through on motor rear cover plate 230, can connect It is connected to external control power supply.

(2), union fitting passage connection：

（1), supercharging union joint 743 connects, and volute outlet is sealed sphere 797 and is alignd with conversion high pressure sealing concave cone face 793, High pressure union external screw thread 792 and 798 rotatable engagement of outer ring female thread will be changed, outer ring step surface 794 extrudes volute outlet union Back-up ring 796, forces between volute outlet sealing sphere 797 and conversion high pressure sealing concave cone face 793 and produces crush seal so that turn Change composition standstill seal between high pressure valve pipe 717 and volute outlet union pipe 744 to fix；

（2) as 743 connected mode of supercharging union joint, respectively by release union joint 746,747 and of suction inlet union joint Pressure accumulation union joint 749 carries out union with the pipeline of its position both sides and is connected so that recycle pipeline 726 and pressure relief vent Connect and constitute release union joint 746 between 752 to be sealedly and fixedly connected, connect between suction inlet pipeline 723 and pump water inlet suction inlet 331 Lead to and constitute suction inlet union joint 747 to be sealedly and fixedly connected, connect between film return duct 727 and pressure accumulation import 751 and constitute storage Pressure union joint 749 is sealedly and fixedly connected；

(3), critical component number of assembling steps：

(1), protecgulum axle spacer 280 is installed

The Front Cover Bearing hole 224 for axle spacer on protecgulum axle spacer 280 being adjusted on step 882 and front motor cover plate 220 is near outer Interference fits at end, and the axle spacer fixing hole 805 that passed through on protecgulum axle spacer 280 with axle spacer screw 228 and front motor cover Protecgulum screw 227 on plate 220 matches, by the axle spacer flange 807 and front motor cover plate 220 on protecgulum axle spacer 280 Protecgulum concave station face 229 be close to fix so that axle spacer stepped hole on protecgulum axle spacer 280 284 and rotating shaft fore bearing section 245 Machine sealing assembly 248 is fixed between outline with high accuracy axiality.Meanwhile, the axle spacer through hole on protecgulum axle spacer 280 There is 1.2 millimeters of rotational clearance between 804 and 245 outline of rotating shaft fore bearing section of machine shaft 240.

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

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

(3), switch impeller 340 is fixed with pump union dividing plate 333

There is locking screw 297 890 lower surface of machine impeller boss, and 246 outer face Shang You shaft end screw 247 of spline shaft, by fixation Arbor bearing outer-ring 569 on machine impeller boss 890 is inserted in together with machine cylinder needle roller 568 and is fixed on outside baffle shaft spacer 348 On circle, rotating exchange machine blade 834 so that the machine spline slotted eye 894 on machine impeller boss 890 is directed at phase with spline shaft 246 Coordinate, continue to push against machine impeller boss 890 so that the 568 overall and baffle shaft spacer of machine cylinder needle roller in arbor bearing outer-ring 569 348 cylindrical match；First take step backing-up screw 274 pass through after 270 centre bore of axially position back-up ring with 247 phase of shaft end screw Coordinate so that on step backing-up screw 274 the two parallel rib 273 of axially position back-up ring 270 and 246 outer end of spline shaft There are 2 millimeters of axially free amounts between face；The positioning retainer ring through hole for being passed through on axially position back-up ring 270 with 5 back-up ring screws 277 again Match with the locking screw 297 on machine impeller boss 890 afterwards, axially position back-up ring 270 is also fastened to 890 outer end of machine impeller boss On face；The positioning on through hole and axially position back-up ring 270 that is finally passed through on locking catch 271 successively with 1 back-up ring screw 277 Match with the locking screw 297 on impeller hub 290 after back-up ring through hole so that the catch corner edges on locking catch 271 On any one flat side on 272 two parallel ribs 273 of alignment, locking effect is played；

3rd, pressure-exchange union supercharging 908 operation principle of pump and reverse osmosiss work process：

（One）, pressure-exchange union supercharging 908 pressure-exchange operation principle of pump：

Valve on recycling pipeline 726 is opened, valve on film return duct 727 is opened, start high voltage startup pump 714, draw three-level High saliferous accessing pending water in suit fine filter 900 passes sequentially through perseverance to stream device inlet tube 712, vertical union perseverance to stream device 713, It is pressurized through high voltage startup pump 714 to stream device outlet 716 in perseverance, the high saliferous accessing pending water after supercharging is through high pressure manifold trunk 307 are injected among membrane filtration ante-chamber 718 and carry out reverse osmosis membrane water process；

When the pressure of the high saliferous accessing pending water in membrane filtration ante-chamber 718 reaches 6.0 MPas (MPa), wherein 70% high saliferous is treated Process water is dammed by reverse osmosis membrane 720 and becomes pressure accumulation concentrated water of damming, and wherein 33% process pure water penetrates reverse osmosis membrane 720, is entered Among membrane filtration back cavity 728, fresh water is transported to through film recovery tube 729 and lays in stand-by region；

Fail to pass through reverse osmosis membrane 720 70% pressure accumulation concentrated water of damming through film return duct 727, entered by pressure accumulation union joint 749 Enter to 751 position of pressure accumulation import, after impacting switch blade 834, process auxiliary drive switch impeller 340 rotates, and the pressure accumulation that dams is dense Pressure release after water acting, discharges from pressure relief vent 752, through release union joint 746, imports to ion from pipeline 726 is recycled Crosspoint 906；It is the axially slidable of spline tooth circumferential engagement between borrow machine spline slotted eye 894 and spline shaft 246 Coordinate；Process auxiliary drive spline shaft 246 rotates, not only drive primary impeller of pump 308, middle before impeller 304, impeller behind centre 302 and 770 synchronous rotary of final stage impeller of pump, and also reduce mouse cage water-cooled ventilated machine 710 and start load and operation power consumption, Avoid mouse cage water-cooled ventilated machine 710 because starting current is excessive burnout failure；

At the same time, valve on suction inlet pipeline 723 is opened, valve on conversion high pressure valve pipe 717 is opened, starts mouse cage water-cooled air-cooled Motor 710, draws the high saliferous accessing pending water in three-level suit fine filter 900 by filter outlet pipe 926, sequentially passes through suction inlet pipe Behind road 723 and suction inlet union joint 747 and pump water inlet suction inlet 331, it is injected among primary suction inner chamber 520；With primary Impeller of pump 308, middle before impeller 304, behind centre impeller 302 and final stage impeller of pump 770 synchronous rotary, be injected into primary suction The liquid of inner chamber 520 is inhaled into by primary suction inlet 899, is injected into primary discharge inner chamber 820 after centrifugal force supercharging, then through centre Prime suction inlet 499 is inhaled into, and is injected into middle prime inner chamber 420 through centrifugal force after being pressurized again, then through middle rear class suction inlet 399 Be inhaled into, middle rear class inner chamber 320 be injected into after being pressurized through centrifugal force again, then be inhaled into through final stage inlet opening 299, through centrifugation Being injected into after power final boost in 730 spiral case of final stage pump case, 6.0 MPas of (MPa) liquid is pressurized to through centrifugal force and flows through snail successively After shell outlet union pipe 744, supercharging union joint 743 and conversion high pressure valve pipe 717, conflux into high pressure manifold trunk 307, be injected into Reverse osmosis membrane water process is carried out among membrane filtration ante-chamber 718；After 710 normal work of mouse cage water-cooled ventilated machine, high voltage startup pump 714 Without the need for working again；Meanwhile, permanent to 716 end pressure of stream device outlet more than with perseverance to 712 end pressure of stream device inlet tube, it is suspended in vertical The permanent mobile valve element 170 within stream device 713 of straight union is moved downward permanent for vertical union to stream device 713 in reversely cut-off shape State so that the water containing salt treatment of 6 MPas (MPa) in membrane filtration ante-chamber 718 will not produce reverse counterflow to ion-exchange unit 906, safe and reliable.

（Two）, table 1 be the present invention in union energy regenerating reverse osmosiss molectron using pressure-exchange union be pressurized pump 908, it is pressurized pressure-exchange union is not entered by the concentration waste water guide of the pressure accumulation of reverse osmosis membrane after process in pump 908, makes Pending high slat-containing wastewater is obtained while the pressure-exchange of the concentration waste water of acquisition pressure accumulation and mouse cage water-cooled ventilated machine 710 drive The series connection impeller supercharging of dynamic level Four, the mixing supercharging total power consumption of above-mentioned pressure-exchange and level Four series connection impeller with without pressure-exchange The experimental data that exclusive use booster pump compares compares.

The unit dirt that (table 1) union energy regenerating reverse osmosiss molectron is set up before and after pressure-exchange union supercharging pump 908 Water process motor power consumption data compare

Contrasting data from table 1 can draw：Union energy regenerating reverse osmosiss molectron sets up pressure-exchange union supercharger The motor power consumption of the unit sewage disposal before and after pump 908 saves 33%.

4th, in embodiment flow process is as shown in figure 1, comprise the steps：By the high slat-containing wastewater of power plant emission by clear Pond water inlet 329 is directed into depositing reservoir 901, from plus Calx device 903, plus soda device 902 respectively into depositing reservoir 901 add Appropriate lime solution and soda ash solution, to control the carbonate hardness of high slat-containing wastewater in below 150mg/l, permanent hardness exists Below 300mg/l；Appropriate acid is added in again from means for feeding acid 904 to high slat-containing wastewater, pH value is adjusted below 8.5；So High slat-containing wastewater is imported by depositing reservoir 901 and is filtered out in filter tank 905 after precipitate therein afterwards, then imports Na-ion exchanger In 906, then high slat-containing wastewater is imported in carbon dioxide cleaner 907, dissolubility carbon dioxide therein is removed, to control high slat-containing wastewater The index of middle carbon dioxide is in below 5mg/l.Appropriate alkali is added in from adder-subtractor 976 to high slat-containing wastewater, to adjust pH It is worth to more than 6, then high slat-containing wastewater is imported union energy regenerating reverse osmosiss molectron and filter, obtains filtering pure water and reclaim through film Pipe 729 is transported to fresh water and lays in stand-by region.The overbottom pressure energy of the pressure accumulation high slat-containing wastewater for being retained by reverse osmosis unit 909 by Through recycling pipeline 726 to be back to weight in Na-ion exchanger 906 after obtaining in nonyl energy regenerating boosting pump 908 changing pressure release New circulating filtration.

5th, the substantive distinguishing features of the above-mentioned protrusion of the present invention, it is ensured that following significant progressive effect can be brought：

1. the present invention is pressurized pump 908 using pressure-exchange union in union energy regenerating reverse osmosiss molectron, after processing Do not enter pressure-exchange union by the concentration waste water guide of the pressure accumulation of reverse osmosis membrane to be pressurized in pump 908 so that pending height Brine waste is while obtain pressure-exchange and the driving level Four series connection leaf of mouse cage water-cooled ventilated machine 710 of the concentration waste water of pressure accumulation Wheel supercharging, the mixing supercharging total power consumption of above-mentioned pressure-exchange and level Four series connection impeller and the exclusive use supercharging without pressure-exchange Pump compares, comprehensive Save power consumption 33%, and energy-saving effect is obvious.

2. coarse net filter screen 911 in three-level suit fine filter 900 and middle net filter screen 910 and fine-structure mesh filter screen 959 are all adopted Sleeve type, compact conformation；All fixed using quick screw between at different levels, the intercepted solidss of removing easy to disassemble.

It is 3rd, permanent permanent to stream device 713 to vertical union is in series between stream device inlet tube 712 with permanent to stream device outlet 716, This special setting, it is ensured that the water containing salt treatment of 6 MPas (MPa) in membrane filtration ante-chamber 718 will not produce reverse counterflow to ion Crosspoint 906, safe operation reliability.The permanent ring cavity 166 into stream device 713 of vertical union is arranged so that mobile valve element 170 to be suspended in vertical union permanent within stream device 713, mobile 170 integrated suspension structure of valve element be allowed to possess unlatching, close quick Prompt；So that without any obstruction part such as spring-like in permanent 713 global facility of device to stream of vertical union, can be achieved with perseverance to stream Dynamic function, completely eliminate affects the hidden danger of normal work of the present invention because of perseverance to the pipeline fittingses fault on stream device inlet tube 712.

Claims (2)

1. copper alloy mouse cage ventilated machine high slat-containing wastewater desalination union handling machine, including：Depositing reservoir (901), filter tank (905), Na-ion exchanger (906), carbon dioxide cleaner (907), three-level suit fine filter (900) and union energy regenerating reverse osmosiss group Component, the union energy regenerating reverse osmosiss molectron includes pressure-exchange union supercharging pump (908) and reverse osmosis module (909), pressure-exchange union supercharging pump (908) is by multi-stage booster union pump and union pressure-exchange turbine two parts institute group Become, there is switch impeller (340) union pressure-exchange turbine part；Multi-stage booster union pump portion have primary impeller of pump (308), The level Four that after impeller (304) before middle, centre, impeller (302) and final stage impeller of pump (770) constitute is connected impeller, multi-stage booster by Nonyl pump by mouse cage water-cooled ventilated machine (710) drive, between multi-stage booster union pump and union pressure-exchange turbine by pump by Nonyl dividing plate (333) is connected；It is characterized in that：

There are supercharging union joint (743), release union joint (746) on described pressure-exchange union supercharging pump (908), inhale Mouth union joint (747) and pressure accumulation union joint (749), suction inlet union joint (747) is connected to suction inlet pipeline (723), supercharging Union joint (743) is connected to change high pressure valve pipe (717), between release union joint (746) and ion-exchange unit (906) Connected by pipeline (726) is recycled；By film return duct (727) between pressure accumulation union joint (749) and membrane filtration ante-chamber (718) outlet Connection；

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

Pump dividing plate (333) both sides are coordinated with pressure-exchange union casing (350) and primary pump case (800) respectively, pump dividing plate (333) cylindrical have exchange pump to accept ring (355), pump dividing plate (333) cylindrical with exchange pump accept the upper plane of ring (355) it Between be dividing plate top bar (352)；Pump dividing plate (333) is cylindrical and exchanges between pump undertaking ring (355) lower plane as under dividing plate Step (358)；

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

Dividing plate bearing block (696) endoporus is provided with primary bearing roller (880) between cylindrical with primary boss (818), described Dividing plate bearing block (696) bore area and cylindrical (818) outer round surface of primary boss all have a layer thickness for 0.62 0.64 millis The copper alloy hard wear-resistant coating of rice；The material of copper alloy hard wear-resistant coating is elementary composition by following percentage by weight：Cu: 12—14%、 W:3.4—3.6%、Ni:2.3—2.5%、Cr:2.2—2.4%、Nb:1.4—1.6%、Al:1.3—1.5%、C: 1.1 1.3%, balance of Fe and inevitable impurity；The weight percent content of the impurity is：P is few less than 0.08%, Sn 0.014% is less than less than 0.21%, Mn less than 0.028%, S in 0.08%, Si；The material main performance of copper alloy hard wear-resistant coating Parameter is：Rockwell hardness HRC value is 58 60；

Described primary bearing roller (880) entirety material is zirconia ceramicss, with ZrO₂(zirconium dioxide) composite is base Material, is equipped with mineralizer MgO (magnesium oxide), BaCO₃(brium carbonate) and bonding clay constitute, and the weight percent of its each component It is ZrO than content₂:92.5—92.7； MgO:2.22 2.24%； BaCO₃:2.84 2.86%, remaining is bonding clay.

2. copper alloy mouse cage ventilated machine high slat-containing wastewater desalination union handling machine according to claim 1, its feature It is：Described mouse cage water-cooled ventilated machine (710) includes motor housing (210), front motor cover plate (220), motor rear cover plate (230), machine shaft (240), stator (251), rotor (252) and impeller hub (290), on motor housing (210) outer wall Leaded window (250) and water inlet lug (237) and water outlet lug (217), the case nose face of motor housing (210) (281) and on outer casing back face (283), there is fixing threaded hole (288), stator (251) is fixed on motor housing (210) endoporus, Rotor (252) is fixed at machine shaft (240) maximum gauge and corresponding with stator (251) position, front motor cover plate (220) On have front screw (221) to be fixed on motor housing (210) front end face, the Front Cover Bearing hole (224) of front motor cover plate (220) is upper solid Determine that fore bearing (225) is cylindrical, rotating shaft fore bearing section (245) of fore bearing (225) endoporus fixed machine shaft (240)；

Rear screw (231) is had to be fixed on motor housing (210) rear end face on motor rear cover plate (230), motor rear cover plate (230) Bonnet dead eye (234) upper fixed rear bearing (235) is cylindrical, the turning of rear bearing (235) endoporus fixed machine shaft (240) Bearing section (243) after axle, after rotating shaft, there is main shaft end (233) bearing section (243) rear end, main shaft end (233) upper fixed electricity Machine blade (232), fan blade outer housing (212) be fixed on motor rear cover plate (230) cylindrical on；

There is cooling sandwith layer (222) between the outer wall of motor housing (210) and inwall, cooling sandwith layer (222) gets around lead window (250) arrange, cooling sandwith layer (222) circumference isolation two ends have respectively into water through hole (238) and water outlet through hole (218), enter There is isolation bar (286) to separate between water through hole (238) and water outlet through hole (218), arrange on the inside of case nose face (281) Front end fuisw rib (226) and outer casing back face (283) on the inside of rear end fuisw rib (236) the distributed fault dentate arrangement that arranges so that cold But increase flow velocity in interlayer (222), improve cooling effect；

There is water outlet taper thread (219) on water outlet lug (217), water outlet taper thread (219) bottom leads to water outlet through hole (218), Have in water inlet lug (237) into water taper thread (239), taper thread (239) bottom that intakes leads to water inlet through hole (238)；Motor Front shroud (220) is fixed with protecgulum axle spacer (280), has an end between protecgulum axle spacer (280) and impeller hub (290) Level no inner-ring bearing (760)；

There is axle spacer flange (807) on protecgulum axle spacer (280), have pump bearing to prop up on the outside of axle spacer flange (807) and hold round (289), pump bearing shoulder block (867) and axle spacer through hole (804), have axle spacer stepped hole (284) on the inside of axle spacer flange (807) Step (882) is adjusted with axle spacer, it is interference fits and Front Cover Bearing hole (224) between that axle spacer adjusts step (882) cylindrical, Axle spacer is adjusted on step (882) sealing ring draw-in groove (809), has axle spacer sealing ring (209) on sealing ring draw-in groove (809), Static seal is constituted between axle spacer sealing ring (209) and Front Cover Bearing hole (224)；There is motor close on motor housing (210) end face Static seal is constituted between seal (208) and front motor cover plate (220)；Axle spacer stepped hole (284) and axle spacer through hole (804) it Between organic envelope dismounting groove (808).