CN104291477B - A kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system - Google Patents
A kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system Download PDFInfo
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- CN104291477B CN104291477B CN201410533930.3A CN201410533930A CN104291477B CN 104291477 B CN104291477 B CN 104291477B CN 201410533930 A CN201410533930 A CN 201410533930A CN 104291477 B CN104291477 B CN 104291477B
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- 238000003466 welding Methods 0.000 title claims abstract description 154
- 229910052581 Si3N4 Inorganic materials 0.000 title claims abstract description 31
- 239000013535 sea water Substances 0.000 title claims abstract description 27
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910001297 Zn alloy Inorganic materials 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 179
- 238000010276 construction Methods 0.000 claims abstract description 39
- 239000012528 membrane Substances 0.000 claims abstract description 35
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 32
- 230000029142 excretion Effects 0.000 claims abstract description 25
- 239000008399 tap water Substances 0.000 claims abstract description 8
- 235000020679 tap water Nutrition 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 24
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 12
- 239000000395 magnesium oxide Substances 0.000 claims description 12
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 11
- 229920001778 nylon Polymers 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000004927 clay Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000003712 anti-aging effect Effects 0.000 claims description 5
- 229920002292 Nylon 6 Polymers 0.000 claims description 4
- 238000010612 desalination reaction Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 15
- 239000012266 salt solution Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000000717 retained effect Effects 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910000619 316 stainless steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical group S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention belongs to power delivery device field, a kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system, comprise seabed strainer, low-pressure pump, low-pressure pump motor, pretreatment unit, welded construction clutch shaft topping-up pump, reverse osmosis membrane assembly and tap water storage tank, it is connected with pressure duct between the welding joint relief outlet of welded construction clutch shaft topping-up pump and the high-pressure inlet of reverse osmosis membrane assembly ante-chamber, as improvement: the welding joint back pressure interface of welded construction clutch shaft topping-up pump and the trap water of reverse osmosis membrane assembly ante-chamber are connected with back pressure pipeline between exporting, there is excretion pipeline at the welding joint escape orifice place of welded construction clutch shaft topping-up pump, reverse osmosis membrane assembly ante-chamber has diaphragm between high-pressure inlet and trap water export, welded construction clutch shaft topping-up pump entirety also comprises the welding joint machine pump housing, side's head pump shaft, water machine four fluted shaft, water machine runner, water pump impeller, welding joint aspiration port lid and welding joint back pressure end cap.
Description
Technical field
The invention belongs to power delivery device field, International Classification of Patents is C02F, is specifically related in reverse osmosis sea water desalinization system about a kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system of apparatus for energy recovery.
Background technology
Tian Haizao island, for the present age lifts first of marine economy, early stage sea water desalinization adopts distillation method, such as multi-stage flash evaporation technology, energy consumption is at 9.0kWh/m3, the reverse osmosis sea water desalinization seventies in 20th century Technical investment apply, the process energy consumption 6.0kWh/m3 of the most reverse osmosis sea water desalinization systems built up before the beginning of the eighties, its topmost improvement be by process after high-pressure thick salt solution Energy Efficient recycle.
The pressure-exchange device that the world today recycles at sea water desalinization field liquid energy mainly contains following two kinds:
1. traditional piston hydraulic cylinder similar ram pump; advantage is that liquid working medium does not directly contact with discarded highly pressurised liquid; top efficiency can reach 95%; the piston of shortcoming hydraulic cylinder structure and piston rod self have very big friction power loss; the particularly the most difficult ideal effect that reaches of reciprocation sealing technology of piston rod; actual efficiency is often lower than 90%, and particularly frictional dissipation causes that equipment downtime is frequent, maintenance cost height. The patent No.: 2010102952.2, in China's patent of invention that on July 21st, 2010 announces: for differential energy recovery device and the method for sea water desalinization system, just belong to conventional piston hydraulic cylinder structure;
2. sea water desalinization is dropped into other developed country relatively early by other form in the world, as: Germany, Japan, Britain, the U.S., Holland, Sweden, Norway and Denmark etc., all fail to obtain desirable, perfect structure in pressure-exchange, its actual exchange efficiency is not also all more than 75%, and matching construction is huge, the controlling elementss such as the driving of external electrical equipment and switch valve too much cause mishap frequently to occur, and finally cause significantly increasing the extra-expense such as facility investment and daily administration maintenance.
3. the water pump water turbine of more recent application, although possessing plurality of advantages in energy recovery gordian technique, but is in coaxial configuration because of its water pump impeller and rotary wheel of water turbine, causes starting power big, but also startup accident easily occurs.
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 using welded construction clutch shaft topping-up pump as gordian technique, the highly pressurised liquid energy conversion again that can will be originally discarded, possesses significantly energy-conservation sea water desalinization system.
A kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system, comprise seabed strainer, low-pressure pump, low-pressure pump motor, pretreatment unit, welded construction clutch shaft topping-up pump, reverse osmosis membrane assembly, activated carbon adsorption tank and tap water storage tank, low-pressure pump suction pipe is had to be connected between described seabed strainer and described low-pressure pump, described low-pressure pump input shaft connects described low-pressure pump motor, low-pressure pump comb is had to be connected between described low-pressure pump and described pretreatment unit, low pressure line is had to be connected between described pretreatment unit with the welding joint suction port of described welded construction clutch shaft topping-up pump, the square hole input shaft outer end of described welded construction clutch shaft topping-up pump is fixedly connected frequency conversion motor output end, being connected with pressure duct between the welding joint relief outlet of described welded construction clutch shaft topping-up pump and the high-pressure inlet of described reverse osmosis membrane assembly ante-chamber, after described reverse osmosis membrane assembly, the desalination water outlet in chamber connects described activated carbon adsorption tank and described tap water storage tank successively, described low-pressure pump suction pipe is in series with vertical check valve, described low pressure line is in series with horizontal vacuum breaker, as improvement: the welding joint back pressure interface of described welded construction clutch shaft topping-up pump and the trap water of described reverse osmosis membrane assembly ante-chamber are connected with back pressure pipeline between exporting, and there is excretion pipeline at the welding joint escape orifice place of described welded construction clutch shaft topping-up pump, described reverse osmosis membrane assembly ante-chamber has diaphragm between described high-pressure inlet and described trap water export, described welded construction clutch shaft topping-up pump entirety also comprises the welding joint machine pump housing, side's head pump shaft, water machine four fluted shaft, water machine runner, water pump impeller, welding joint aspiration port lid and welding joint back pressure end cap,
The described upper and lower both sides of the welding joint machine pump housing have water pump spiral case and water machine spiral case respectively, and there is housing internal thread the described shell inner hole both sides on the welding joint machine pump housing respectively facing to described water pump spiral case inner chamber and described water machine spiral case inner chamber;
Being perpendicular on the tangent line direction of described shell inner hole medullary ray on described water pump spiral case has described welding joint relief outlet, and the pump head end hole of described water pump spiral case and the pump cover step surface of described welding joint aspiration port lid can be dismantled airtight fastening; The described discharge welding end surface on welding joint relief outlet there is discharge bevel for welding, discharges and between bevel for welding and the corresponding groove on pressure duct, adopt exhausted oxygen submerged-arc welding process to form the airtight discharge soldered of a circle;
Being perpendicular on the tangent line direction of described shell inner hole to have welding joint escape orifice on described water machine spiral case, the water machine stomidium of described water machine spiral case and the machine lid step surface of described welding joint back pressure end cap can be dismantled airtight fastening; The described excretion welding end surface on welding joint escape orifice there is excretion bevel for welding, between excretion bevel for welding with the corresponding groove on excretion pipeline, adopts exhausted oxygen submerged-arc welding process to form the airtight excretion soldered of a circle;
Described welding joint aspiration port covers welding joint suction port and becomes to be arranged vertically with described pump cover step surface center axis, described welding joint aspiration port covers pump cover axis hole and becomes coaxially arranged with described pump cover step surface center axis, it is running fit between described pump cover axis hole and described square hole input shaft, the described packing seal groove on pump cover axis hole has sealing-ring press described square hole input shaft periphery; Slidably coordinate for axis between the axle head square hole of the described lower end of square hole input shaft with the pump shaft square end of described square head pump shaft upper end; The described suction welding end surface on welding joint suction port there is suction bevel for welding, sucks and between bevel for welding and the corresponding groove on low pressure line, adopt exhausted oxygen submerged-arc welding process to form the airtight suction soldered of a circle;
Described welding joint back pressure end cap there is welding joint back pressure interface become coaxially arranged with described machine lid step surface center axis, the described back pressure welding end surface on welding joint back pressure interface there is back pressure bevel for welding, between back pressure bevel for welding and the corresponding groove on back pressure pipeline, adopts exhausted oxygen submerged-arc welding process to form the airtight back pressure soldered of a circle;
Described shell inner hole upper part transition fit is fixed wtih one pair of water pump bearing cylindrical, described one to hole in water pump bearing respectively shrink-fit be fixed wtih under the pump head bearing section of described square head pump shaft and pump bearing section; Described shell inner hole lower part transition fit is fixed wtih one pair of water machine bearing cylindrical, described one to hole in water machine bearing respectively shrink-fit be fixed wtih under the machine head bearing section of described water machine four fluted shaft and machine bearing section; Described square head pump shaft upper side has described pump shaft square end, pump thread segment, pump flat key section and described pump head bearing section from top to bottom successively, and described square head pump shaft lower side has bearing section and shoulder block end axle under described pump successively; Described water machine four fluted shaft upper side has described machine head bearing section, and there are four oblique cambered surfaces in clutch hole machine head bearing section end face side, and there is face, ratchet shelves position oblique cambered surface side, clutch hole, and there is ratchet hole relief groove oblique cambered surface bottom, clutch hole;
Described water machine four fluted shaft lower side has bearing section under described machine, machine thread segment and machine end optical axis successively, has a ratchet four tooth pole between described shoulder block end axle and the oblique cambered surface in clutch hole described in each; Bearing described in one pair fastening circle outside screw and described housing internal thread regulate and are fixed wtih one to described water pump bearing and to the axial location of described water machine bearing; The runner internal thread of described water machine runner coordinates fastening with described machine thread segment spiral; For being slidably matched between square shaft four sides on the through hole inner circle of described water pump impeller and described pump flat key section cylindrical transition fit, the described square hole wall in axle head square hole and described pump shaft square end;
Described ratchet four tooth pole is high-strength composite 6 nylon, the oblique cambered surface surface in described shoulder block end axle surface and described clutch hole all has a layer thickness to be the zinc alloy hard anticorrosive material of 0.4 to 0.6 millimeter, and described water pump bearing and the overall material of described water machine bearing are silicon nitride ceramics.
As further improvement: described compound 6 nylon is made up of the component of following weight percents: Nylon 6: 84 85, glass fibre: 45, antiaging agent: 0.03 0.04, anti-wear agent: 0.8 0.9, solidifying agent: 34, toughner: 45, and surplus is fire retardant or static inhibitor.
As further improvement: elementary composition by following weight percent of described zinc alloy hard anticorrosive material: Zn:36 38, Cu:5.7 5.9, Ni:4.6 4.8, Cr:3.2 3.3, Mo:2.5 2.6, Ti:1.8 1.9, W:2.5 2.6, Sn:2.6 2.7, surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C less than 0.07, Si less than 0.12, Mn less than 0.16, S less than 0.0l, P less than 0.02.
As further improvement: described silicon nitride ceramics is with Si3N4(silicon nitride) is base-material, is equipped with mineralizer MgO (magnesium oxide), BaCO3(barium carbonate) and bonding clay form, and the weight percent content of its each component is Si3N4: 92.1 92.5; MgO:2.5 2.7; BaCO3: 2.7 2.8; Bonding clay: 2.3 2.4.
The invention has the beneficial effects as follows:
One-piece construction adopts solder design good leak tightness and resistance to high pressure, does not produce any seepage. Wherein the water pump impeller in welded construction clutch shaft topping-up pump and water machine runner are respectively on the side's of being fixedly mounted on head pump shaft and water machine four fluted shaft, and side's head pump shaft and water machine four fluted shaft be coaxial setting, particularly side head pump shaft on shoulder block end axle and each the oblique cambered surface in clutch hole on water machine four fluted shaft between have ratchet four tooth pole, it is achieved that following 2 advantages the most outstanding:
Unloading phase water machine runner when not also being subject to 60% to the 61% high-pressure thick salt solution effect retained by high-density permeable membrane, side's head pump shaft starts rotation clockwise, ratchet four tooth pole is driven to slide into face, ratchet shelves position, at this moment the broad part of ratchet four tooth pole between the oblique cambered surface in clutch hole and shoulder block end axle, and the side's of making head pump shaft and water machine four fluted shaft depart from, side's head pump shaft rotates and water machine four fluted shaft can not be driven to rotate, and side's head pump shaft is completely by frequency conversion electric machine control;
When 60% to the 61% high-pressure thick salt solution retained by high-density permeable membrane is to water machine runner generation effect, use the runner blade arrangement angle on water machine runner and described water machine four fluted shaft rotation center axis in angle of 45 degrees, promote water machine runner high speed rotating, water machine four fluted shaft turn clockwise and slightly faster than side head pump shaft speed of rotation, drive the narrow part that ratchet four tooth pole is cut between the oblique cambered surface in clutch hole and shoulder block end axle, and the side's of making head pump shaft combines with water machine four fluted shaft, boosting side's head pump shaft rotates, share frequency conversion motor load and reach 50%, achieve and fall energy object.
The key components and parts of the present invention, ratchet four tooth pole adopts the shock stress of compound 6 nylon material to be less than stainless steel bearing material, it is ensured that the clutch transmission between water pump bearing with water machine bearing is compared steady; The square hole input shaft of dynamic seal has one layer of zinc alloy hard anticorrosive material at outer round surface laser spraying, and water pump bearing and the overall material of water machine bearing of kinetic friction carrying part are silicon nitride ceramics, not only corrosion-resistant but also wear-resistant;
In addition, reverse osmosis membrane assembly ante-chamber of the present invention has diaphragm between high-pressure inlet and described trap water export, the high pressure cleer sea water being injected into reverse osmosis membrane assembly ante-chamber is fully contacted with high-density permeable membrane, 60% to the 61% high-pressure thick salt solution retained by high-density permeable membrane exports outflow from described trap water and is injected into welding joint back pressure interface to participate in energy transformation so that the process electricity consumption being obtained every cube of fresh water through reverse osmosis sea water desalinization system drops to 3 degree.
Accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section of the welded construction clutch shaft topping-up pump 60 of gordian technique of the present invention.
Fig. 2 is the square head pump shaft 33 in Fig. 1 and water machine four fluted shaft 38 junction partial enlargement schematic diagram.
Fig. 3 is the A-A sectional view in Fig. 2, and side's head pump shaft 33 is in disengaging state with water machine four fluted shaft 38.
Fig. 4 is the A-A sectional view in Fig. 2, and side's head pump shaft 33 is in bonding state with water machine four fluted shaft 38.
Fig. 5 is the application schematic diagram of the present invention.
Fig. 6 is fastening circle 75 diagrammatic cross-section of the bearing in Fig. 1.
Fig. 7 is fastening circle 75 vertical view of the bearing in Fig. 6.
Fig. 8 is partial enlargement diagrammatic cross-section residing for the water pump nut 72 in Fig. 1.
Fig. 9 is the B-B sectional view in Fig. 8.
Figure 10 is the C-C sectional view in Fig. 8.
Figure 11 is the D-D sectional view in Fig. 8.
Figure 12 is the axle head square hole 71 position enlarged view of square hole input shaft 77 in Fig. 8.
Figure 13 is pump flat key section 34 and the transmission flat key 11 position enlarged view of side's head pump shaft 33 in Fig. 8.
Figure 14 is partial enlargement diagrammatic cross-section residing for the nail of the retaining pin in Fig. 1 19.
Figure 15 is the E-E sectional view in Figure 14.
Figure 16 is the machine thread segment 36 position enlarged view of Figure 14 moderate water apparatus four fluted shaft 38.
Figure 17 is the runner internal thread 26 position profile of Figure 14 moderate water apparatus runner 88.
Figure 18 is the welding joint machine pump housing 61 diagrammatic cross-section in Fig. 1.
Figure 19 is welding joint aspiration port lid 41 diagrammatic cross-section in Fig. 1.
Figure 20 is welding joint back pressure end cap 81 diagrammatic cross-section in Fig. 1.
Figure 21 is the shock stress correlation curve figure of compound 6 nylon and stainless steel bearing.
Embodiment
In conjunction with the accompanying drawings and embodiments the structure of the present invention and principle of work and the application in reverse osmosis sea water desalinization system are further elaborated:
A kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system, comprise seabed strainer 10, low-pressure pump 20, low-pressure pump motor 30, pretreatment unit 50, welded construction clutch shaft topping-up pump 60, reverse osmosis membrane assembly 90, activated carbon adsorption tank 78 and tap water storage tank 79, low-pressure pump suction pipe 21 is had to be connected between described seabed strainer 10 and described low-pressure pump 20, described low-pressure pump 20 input shaft connects described low-pressure pump motor 30, low-pressure pump comb 25 is had to be connected between described low-pressure pump 20 and described pretreatment unit 50, low pressure line 56 is had to be connected between described pretreatment unit 50 with the welding joint suction port 65 of described welded construction clutch shaft topping-up pump 60, square hole input shaft 77 outer end of described welded construction clutch shaft topping-up pump 60 is fixedly connected frequency conversion motor 70 output terminal, being connected with pressure duct 94 between the welding joint relief outlet 69 of described welded construction clutch shaft topping-up pump 60 and the high-pressure inlet 96 of described reverse osmosis membrane assembly 90 ante-chamber, after described reverse osmosis membrane assembly 90, the desalination water outlet 92 in chamber connects described activated carbon adsorption tank 78 and described tap water storage tank 79 successively, described low-pressure pump suction pipe 21 is in series with vertical check valve 40, described low pressure line 56 is in series with horizontal vacuum breaker 80, as improvement: be connected with back pressure pipeline 87 between the welding joint back pressure interface 89 of described welded construction clutch shaft topping-up pump 60 and the trap water outlet 98 of described reverse osmosis membrane assembly 90 ante-chamber, there is excretion pipeline 28 at welding joint escape orifice 82 place of described welded construction clutch shaft topping-up pump 60, is connected to industrial salt base 208, described reverse osmosis membrane assembly 90 ante-chamber has diaphragm 97 between described high-pressure inlet 96 and described trap water outlet 98, described welded construction clutch shaft topping-up pump 60 entirety also comprises the welding joint machine pump housing 61, side's head pump shaft 33, water machine four fluted shaft 38, water machine runner 88, water pump impeller 44, welding joint aspiration port lid 41 and welding joint back pressure end cap 81.
As further improvement: the described welding joint machine pump housing about 61 both sides have water pump spiral case 67 and water machine spiral case 66 respectively, there is housing internal thread 62 described shell inner hole 63 both sides on the welding joint machine pump housing 61 respectively facing to described water pump spiral case 67 inner chamber and described water machine spiral case 66 inner chamber;
Being perpendicular on the tangent line direction of described shell inner hole 63 medullary ray on described water pump spiral case 67 and have described welding joint relief outlet 69, the pump head end hole 64 of described water pump spiral case 67 can be dismantled airtight fastening with the pump cover step surface 46 of described welding joint aspiration port lid 41; The described discharge welding end surface 53 on welding joint relief outlet 69 has and discharges bevel for welding 55, discharge and between bevel for welding 55 and the corresponding groove on pressure duct 94, adopt exhausted oxygen submerged-arc welding process to form the airtight discharge soldered 99 of a circle;
Being perpendicular on the tangent line direction of described shell inner hole 63 on described water machine spiral case 66 and have welding joint escape orifice 82, the water machine stomidium 68 of described water machine spiral case 66 can be dismantled airtight fastening with the machine lid step surface 86 of described welding joint back pressure end cap 81; The described excretion welding end surface 83 on welding joint escape orifice 82 has excretion bevel for welding 85, between excretion bevel for welding 85 with the corresponding groove on excretion pipeline 28, adopts exhausted oxygen submerged-arc welding process to form the airtight excretion soldered 58 of a circle;
Described welding joint aspiration port lid 41 there is welding joint suction port 65 become to be arranged vertically with described pump cover step surface 46 center axis, described welding joint aspiration port lid 41 there is pump cover axis hole 47 become coaxially arranged with described pump cover step surface 46 center axis, it is running fit between described pump cover axis hole 47 and described square hole input shaft 77, the described packing seal groove 74 on pump cover axis hole 47 has sealing-ring press described square hole input shaft 77 periphery; Slidably coordinate for axis between the axle head square hole 71 of described square hole input shaft 77 times ends with the pump shaft square end 31 of described square head pump shaft 33 upper end; The described suction welding end surface 43 on welding joint suction port 65 has and sucks bevel for welding 45, suck and between bevel for welding 45 and the corresponding groove on low pressure line 56, adopt exhausted oxygen submerged-arc welding process to form the airtight suction soldered 54 of a circle;
Described welding joint back pressure end cap 81 there is welding joint back pressure interface 89 become coaxially arranged with described machine lid step surface 86 center axis, the described back pressure welding end surface 93 on welding joint back pressure interface 89 there is back pressure bevel for welding 95, between back pressure bevel for welding 95 and the corresponding groove on back pressure pipeline 87, adopts exhausted oxygen submerged-arc welding process to form the airtight back pressure soldered 59 of a circle;
Described shell inner hole 63 upper part transition fit is fixed wtih one pair of water pump bearing 73 cylindrical, described one to hole in water pump bearing 73 respectively shrink-fit be fixed wtih under the pump head bearing section 35 of described square head pump shaft 33 and pump bearing section 37; Described shell inner hole 63 lower part transition fit is fixed wtih one pair of water machine bearing 42 cylindrical, described one to hole in water machine bearing 42 respectively shrink-fit be fixed wtih under the machine head bearing section 51 of described water machine four fluted shaft 38 and machine bearing section 52; Described square head pump shaft 33 upper side has described pump shaft square end 31, pump thread segment 32, pump flat key section 34 and described pump head bearing section 35 from top to bottom successively, and described square head pump shaft 33 lower side has bearing section 37 and shoulder block end axle 57 under described pump successively; Described water machine four fluted shaft 38 upper side has described machine head bearing section 51, and there are four oblique cambered surfaces 49 in clutch hole machine head bearing section 51 end face side, and there is face, ratchet shelves position 409 oblique cambered surface 49 side, clutch hole, and there is ratchet hole relief groove 48 oblique cambered surface 49 bottom, clutch hole;
Described water machine four fluted shaft 38 lower side has bearing section 52 under described machine, machine thread segment 36 and machine end optical axis 39 successively, has a ratchet four tooth pole 308 between described shoulder block end axle 57 and the oblique cambered surface 49 in clutch hole described in each; Bearing described in one pair fastening circle 75 outside screw and described housing internal thread 62 regulate and are fixed wtih one to described water pump bearing 73 and to the axial location of described water machine bearing 42; The runner internal thread 26 of described water machine runner 88 coordinates fastening with described machine thread segment 36 spiral; For being slidably matched between square shaft four sides 14 on through hole inner circle 22 and the described pump flat key section 34 cylindrical transition fit of described water pump impeller 44, the described square hole wall 13 in axle head square hole 71 and described pump shaft square end 31;
Described ratchet four tooth pole 308 is high-strength composite 6 nylon, described shoulder block end axle 57 surface and described oblique cambered surface 49 surface, clutch hole all have a layer thickness to be the zinc alloy hard anticorrosive material of 0.4 to 0.6 millimeter, and described water pump bearing 73 and the overall material of described water machine bearing 42 are silicon nitride ceramics.
As further improvement: described compound 6 nylon is made up of the component of following weight percents: Nylon 6: 84 85, glass fibre: 45, antiaging agent: 0.03 0.04, anti-wear agent: 0.8 0.9, solidifying agent: 34, toughner: 45, and surplus is fire retardant or static inhibitor;
As further improvement: elementary composition by following weight percent of described zinc alloy hard anticorrosive material: Zn:36 38, Cu:5.7 5.9, Ni:4.6 4.8, Cr:3.2 3.3, Mo:2.5 2.6, Ti:1.8 1.9, W:2.5 2.6, Sn:2.6 2.7, surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C less than 0.07, Si less than 0.12, Mn less than 0.16, S less than 0.0l, P less than 0.02.
As further improvement: described silicon nitride ceramics is with Si3N4(silicon nitride) is base-material, is equipped with mineralizer MgO (magnesium oxide), BaCO3(barium carbonate) and bonding clay form, and the weight percent content of its each component is Si3N4: 92.1 92.5; MgO:2.5 2.7; BaCO3: 2.7 2.8; Bonding clay: 2.3 2.4.
As further improvement: runner unthreaded hole 29 and the described machine end optical axis 39 of described runner internal thread 26 bottom are slidably matched, described runner unthreaded hole 29 has six runner screws 15, described machine end optical axis 39 there are five optical axis pin-and-holes 16, retaining pin follows closely 19 external thread sections and described runner screw 15 rotational fastener, and described retaining pin is followed closely between 19 cylinder pin sections and described optical axis pin-and-hole 16 as being slidably matched.
As further improvement: square hole wall 13 degree of depth of described axle head square hole 71 is 46 to 48 millimeters, described square hole wall 13 liang of opposite side distance are from being 26 to 28 millimeters, and described square hole wall 13 port has the square hole groove 23 of 1.5 �� 45 degree; Square shaft four sides 14 length of described pump shaft square end 31 are 42 to 44 millimeters, described square hole wall 13 liang of opposite side distance are from being 26 to 28 millimeters, described square shaft four sides 14 ports have the square shaft groove 24 of 1.5 �� 45 degree, and have the square shaft chamfering 17 of 1.5 �� 45 degree on four adjacent edges at described square shaft four sides 14.
As further improvement: described runner blade 84 layout angle on water machine runner 88 and described water machine four fluted shaft 38 rotation center axis are in angle of 45 degrees.
As further improvement: described bearing fastening circle 75 1 has 4 blind manipulation notches 76 on side end face.
In embodiment:
Square hole wall 13 degree of depth of axle head square hole 71 is 47 millimeters, and square hole wall 13 liang of opposite side distance are from being 27 millimeters, and accuracy tolerance is H6; Square shaft four sides 14 length of pump shaft square end 31 are 43 millimeters, and the 14 liang of opposite side distance in square shaft four sides are from being 27 millimeters, and accuracy tolerance is g5.
Compound 6 nylon that ratchet four tooth pole 308 adopts is made up of the component of following weight percents: Nylon 6: 84.5, glass fibre: 4.5, antiaging agent: 0.035, anti-wear agent: 0.85, solidifying agent: 3.5, toughner: 4.5, and surplus is fire retardant or static inhibitor. Glass fibre is alkali free glass fibre, it is possible to be long glass or short glass fiber, or long glass and short glass fiber and use; Antiaging agent is carbon black; Anti-wear agent is molybdenumdisulphide; Solidifying agent is tolylene diisocyanate; Toughner adopts non-polar high polymer and unsaturated acid grafts, and non-polar high polymer is polyethylene, unsaturated acid vinylformic acid; Other auxiliary agents adopt silane coupling agent.
Axle 57 surface and oblique cambered surface 49 surface, clutch hole all have a layer thickness to be the zinc alloy hard anticorrosive material of 0.5 millimeter, elementary composition by following weight percent of zinc alloy hard anticorrosive material: Al:41.5, Ti:3.65, Cu:3.45, W:3.15, Sn:2.35, Ni:2.7, Cr:1.25, Mo:1.55, surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C is 0.06, Si is 0.11, Mn is 0.15, S is 0.009, P is 0.018;
Si in described water pump bearing (73) and described water machine bearing (42)3N4(silicon nitride) is matrix material and mineralizer MgO (magnesium oxide), BaCO3The weight percent content of (barium carbonate) and each component of bonding clay is Si3N4: 92.3; MgO:2.6; BaCO3: 2.75; Bonding clay: 2.35.
The working process of the present invention is as follows:
One, welded construction clutch shaft topping-up pump 60 is assembled:
1. burst apart for avoiding ceramic bearing to cause under the high temperature conditions, adopt side's head pump shaft 33 and water machine four fluted shaft 38 extremely subzero 122 to 123 degree of artificial hypothermia respectively, and continue to 13 minutes to take out, water machine bearing 42 is enclosed within pump head bearing section 35 and pump by one pair of water pump bearing 73 and a bearing section 37 respectively and bearing section 52 under machine head bearing section 51 and machine within 1 minute; The square head pump shaft 33 that one pair of water pump bearing 73 is housed is placed among shell inner hole 63 from water pump spiral case 67 side entirety, water machine four fluted shaft 38 that one pair of water machine bearing 42 is housed is placed among shell inner hole 63 from water machine spiral case 66 side entirety, meanwhile, four ratchet four tooth poles 308 are placed between the oblique cambered surface 49 of shoulder block end axle 57 and clutch hole;
2. the fastening circle 75 of pair of bearings is rotated on the housing internal thread 62 of shell inner hole 63 both sides respectively, adjust instrument alignment blind manipulation notches 76 by socket wrench specially adapted for it to adjust to the right place, it is ensured that water pump impeller 44 and water machine runner 88 are accurately positioned among water pump spiral case 67 and water machine spiral case 66 simultaneously respectively;
3. the runner internal thread 26 on water machine runner 88 is tight in advance with machine thread segment 36 rotatable engagement, when 1 the runner screw 15 in 6 runner screws 15 on runner unthreaded hole 29 and any 1 the optical axis pin-and-hole 16 in 5 optical axis pin-and-holes 16 on machine end optical axis 39 are on time, retaining pin is followed closely 19 external thread sections and runner screw 15 rotational fastener so that retaining pin is followed closely between 19 cylinder pin sections and optical axis pin-and-hole 16 as being slidably matched. Just can guarantee that retaining pin nail 19 is directed at runner screw 15 and optical axis pin-and-hole 16 simultaneously, it is achieved water machine runner 88 can bear positive and negative relative to side's head pump shaft 33 then can not unclamp, quick and safe;
4. the machine lid step surface 86 of welding joint back pressure end cap 81 is directed at the water machine stomidium 68 of described water machine spiral case 66, and passes through 12 through holes on machine lid step surface 86 respectively with 12 screws, among airtight 12 screws being fastened on water machine stomidium 68 periphery;
5. the transmission flat key 11 in the alignment of the keyway on water pump impeller 44 through hole pump flat key section 34 is pressed into, and the through hole inner circle 22 of pump impeller 44 adopts transition fit with pump flat key section 34 cylindrical;
6. water pump nut 72 and pump thread segment 32 rotational fastener;
7. the pump cover step surface 46 of welding joint aspiration port lid 41 is directed at the pump head end hole 64 of water pump spiral case 67, and passes through 10 on pump cover step surface 46 through hole respectively with 10 screws, among airtight 10 screws being fastened on pump head end hole 64 periphery;
8. axle head square hole 71 ecto-entad of square hole input shaft 77 passes through the pump cover axis hole 47 on welding joint aspiration port lid 41, and using to have on pump cover axis hole 47 has sealing-ring to press the formation dynamic seal of square hole input shaft 77 periphery in packing seal groove 74.
The port of square hole wall 13 is utilized to have the recessed tooth groove 23 of 1 �� 45 degree, and the port at square shaft four sides 14 has the square shaft groove 24 of 1 �� 45 degree, is imported on pump shaft square end 31 by axle head square hole 71 alignment.
Two, welded construction clutch shaft topping-up pump 60 pipeline connects:
Discharge welding end surface 53 on welding joint relief outlet 69 and discharge bevel for welding 55 groove corresponding on pressure duct 94 correction thereof are directed at and weld and form the airtight discharge soldered 99 of a circle;
Excretion welding end surface 83 on welding joint escape orifice 82 and excretion bevel for welding 85 thereof be directed ats with the corresponding groove correction on excretion pipeline 28 and welds formation one and enclose airtight excretion soldered 58;
Suction welding end surface 43 on welding joint suction port 65 and suction bevel for welding 45 groove corresponding on low pressure line 56 correction thereof are directed at and weld and form the airtight suction soldered 54 of a circle;
The correction of corresponding with on back pressure pipeline 87 to back pressure welding end surface 93 on welding joint back pressure interface 89 and back pressure bevel for welding 95 thereof groove is directed at and welds and form the airtight back pressure soldered 59 of a circle.
Three, sea water desalinization system and welded construction clutch shaft topping-up pump 60 operational process:
In Fig. 1 and Fig. 5, low-pressure pump motor 30 output terminal drives low-pressure pump 20 to rotate, and draws ebb seawater and is injected in pretreatment unit 50 for subsequent use successively after seabed strainer 10, low-pressure pump suction pipe 21, low-pressure pump comb 25, start frequency conversion motor 70 high-power driving welded construction clutch shaft topping-up pump 60, drive water pump impeller 44 high speed rotating of welded construction clutch shaft topping-up pump 60, the pressure discharged by welding joint relief outlet 69 is injected into reverse osmosis membrane assembly 90 ante-chamber up to the high pressure cleer sea water of 6MPa by high-pressure inlet 96, wherein the high pressure cleer sea water of 39% to 40% can permeate the high-density permeable membrane 91 having passed through reverse osmosis membrane assembly 90 afterwards and becomes purification fresh water from the desalination water outlet 92 in the rear chamber of reverse osmosis membrane assembly 90 out, be injected into be flowed in tap water storage tank 79 after activated carbon adsorption tank 78 purifies again for subsequent use.
In Fig. 1, Fig. 2 and Fig. 5, water pump impeller 44 in welded construction clutch shaft topping-up pump 60 and water machine runner 88 are respectively on the side's of being fixedly mounted on head pump shaft 33 and water machine four fluted shaft 38, and side's head pump shaft 33 and water machine four fluted shaft 38 be coaxial setting, particularly side head pump shaft 33 on shoulder block end axle 57 and the oblique cambered surface 49 in each clutch hole on water machine four fluted shaft 38 between have ratchet four tooth pole 308, it is achieved that following 2 advantages the most outstanding:
In Fig. 1, Fig. 3 and Fig. 5, unloading phase water machine runner 88 when not also being subject to 60% to the 61% high-pressure thick salt solution effect retained by high-density permeable membrane 91, side's head pump shaft 33 starts rotation clockwise, ratchet four tooth pole 308 is driven to slide into face, ratchet shelves position 409, at this moment the broad part of ratchet four tooth pole 308 between the oblique cambered surface in clutch hole 49 and shoulder block end axle 57, and the side's of making head pump shaft 33 and water machine four fluted shaft 38 depart from, side's head pump shaft 33 rotates and water machine four fluted shaft 38 can not be driven to rotate, and side's head pump shaft 33 is controlled by frequency conversion motor 70 completely;
Fig. 1, in Fig. 4 and Fig. 5, when 60% to the 61% high-pressure thick salt solution retained by high-density permeable membrane 91 is to water machine runner 88 generation effect, use runner blade 84 layout angle on water machine runner 88 and described water machine four fluted shaft 38 rotation center axis in angle of 45 degrees, promote water machine runner 88 high speed rotating, water machine four fluted shaft 38 turn clockwise and slightly faster than side head pump shaft 33 speed of rotation, it is preferably fast 1 percentage point, drive the narrow part that ratchet four tooth pole 308 is cut between the oblique cambered surface in clutch hole 49 and shoulder block end axle 57, and the side's of making head pump shaft 33 combines with water machine four fluted shaft 38, boosting side's head pump shaft 33 rotates, share frequency conversion motor 70 load and reach 50%, achieve and fall energy object. 60% to 61% high-pressure thick salt solution after energy exchange is connected on excretion pipeline 28 to emit from the welding joint escape orifice 82 of welded construction clutch shaft topping-up pump 60, or continue excretion pipeline 28 to be connected to industrial salt base 208 as industrial salt raw material, go round and begin again, non-stop run.
One-piece construction of the present invention adopts solder design good leak tightness and resistance to high pressure, does not produce any seepage. Wherein the welding joint machine pump housing 61 adopts both sides centrosymmetry to be provided with water pump spiral case 67 and water machine spiral case 66 so that overall reactive force is balanced; Particularly shell inner hole 63 both sides on the welding joint machine pump housing 61 are all provided with housing internal thread 62, join and adjust instrument with the fastening circle 75 of pair of bearings by socket wrench specially adapted for it and be directed at 4 blind manipulation notches 76 and adjust to the right place, guarantee that water pump impeller 44 and water machine runner 88 are accurately positioned among water pump spiral case 67 and water machine spiral case 66 simultaneously respectively, through experiment its effciency of energy transfer of display up to 68%.
The present invention has six runner screws 15 to misplace corresponding with five optical axis pin-and-holes 16 on machine end optical axis 39 on the runner unthreaded hole 29 of water machine runner 88, guarantee that between the runner internal thread 26 of water machine runner 88 and machine thread segment 36, small rotation regulates, just can guarantee that retaining pin nail 19 is directed at runner screw 15 and optical axis pin-and-hole 16 simultaneously, realize water machine runner 88 to bear positive and negative relative to side's head pump shaft 33 then can not unclamp, quick and safe.
The axle head square hole 71 that the present invention is also provided with pump shaft square end 31 and square hole input shaft 77 in pump thread segment 32 outer end of side's head pump shaft 33 is slidably matched, it is achieved that external impetus inputs; Square hole wall 13 port stated has the square hole groove 23 of 1.5 �� 45 degree, and square shaft four sides 14 ports have the square shaft groove 24 of 1.5 �� 45 degree, are convenient to axle head square hole 71 and are directed at importing with pump shaft square end 31; Four adjacent edges at square shaft four sides 14 particularly have the square shaft chamfering 17 of 1.5 �� 45 degree, it is ensured that precision-fit transmitting large torque between square shaft four sides 14 and square hole wall 13.
The key components and parts of the present invention, ratchet four tooth pole 308 is compound 6 nylon, side's shoulder block end axle 57 of head pump shaft 33 and the oblique cambered surface in clutch hole 49 of water machine four fluted shaft 38 have one layer of zinc alloy hard anticorrosive material at the equal laser spraying of outside surface, water pump bearing 73 and the overall material of water machine bearing 42 of kinetic friction carrying part are silicon nitride ceramics, reach not only corrosion-resistant but also wear-resistant ideal effect.
In Figure 21, X-coordinate T is timefrequency, and ordinate zou F is shock stress. Can draw by the correlation curve of Figure 21: ratchet four tooth pole 308 adopts the shock stress of compound 6 nylon material to be less than stainless steel bearing material, it is ensured that the clutch transmission between water pump bearing 73 with water machine bearing 42 is compared steady.
The anti-corrosion wear experimental data contrast of (table 1) silicon nitride ceramics bearing and 316 stainless steel bearings
Can draw by the comparison data of table 1: the corrosion resistant antiwear ability of silicon nitride ceramics bearing is better than 316 stainless steel bearings far away, extend water pump bearing 73 and the normal working hours of water machine bearing 42.
The outside surface that table 2 is the oblique cambered surface 49 of shoulder block end axle 57 and clutch hole has zinc alloy hard anticorrosive material coating, with the surfaceness extent of damage experimental data contrast of conventional stainless steel
Can draw by the comparison data of table 2: the outside surface of the oblique cambered surface 49 of shoulder block end axle 57 and clutch hole has the surfaceness extent of damage of zinc alloy hard anticorrosive material coating to be far smaller than the surfaceness extent of damage of conventional stainless steel outside surface, extends water pump bearing 73 and the normal working hours of water machine bearing 42.
The present invention also eliminates the controlling elementss such as the driving of all external electrical equipment and switch valve, and avoiding any electrical equipment mishap occurs, and finally reaches and significantly reduces investment and daily administration maintenance cost. Particularly reverse osmosis membrane assembly 90 ante-chamber has diaphragm 97 between high-pressure inlet 96 and trap water outlet 98, the high pressure cleer sea water being injected into reverse osmosis membrane assembly 90 ante-chamber is fully contacted with high-density permeable membrane 91,60% to the 61% high-pressure thick salt solution retained by high-density permeable membrane 91 exports 98 outflows from trap water, it is injected into 89 li, welding joint back pressure interface through back pressure pipeline 87 and participates in energy transformation so that the process electricity consumption being obtained every cube of fresh water through reverse osmosis sea water desalinization system drops to 3 degree.
Claims (4)
1. a clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system, comprise seabed strainer (10), low-pressure pump (20), low-pressure pump motor (30), pretreatment unit (50), welded construction clutch shaft topping-up pump (60), reverse osmosis membrane assembly (90), activated carbon adsorption tank (78) and tap water storage tank (79), low-pressure pump suction pipe (21) is had to be connected between described seabed strainer (10) and described low-pressure pump (20), described low-pressure pump (20) input shaft connects described low-pressure pump motor (30), low-pressure pump comb (25) is had to be connected between described low-pressure pump (20) and described pretreatment unit (50), low pressure line (56) is had to be connected between described pretreatment unit (50) with the welding joint suction port (65) of described welded construction clutch shaft topping-up pump (60), square hole input shaft (77) outer end of described welded construction clutch shaft topping-up pump (60) is fixedly connected frequency conversion motor (70) output terminal, being connected with pressure duct (94) between the welding joint relief outlet (69) of described welded construction clutch shaft topping-up pump (60) and the high-pressure inlet (96) of described reverse osmosis membrane assembly (90) ante-chamber, desalination water outlet (92) in described reverse osmosis membrane assembly (90) chamber afterwards connects described activated carbon adsorption tank (78) and described tap water storage tank (79) successively, described low-pressure pump suction pipe (21) is in series with vertical check valve (40), described low pressure line (56) is in series with horizontal vacuum breaker (80), it is characterized in that: being connected with back pressure pipeline (87) between welding joint back pressure interface (89) of described welded construction clutch shaft topping-up pump (60) and trap water outlet (98) of described reverse osmosis membrane assembly (90) ante-chamber, there is excretion pipeline (28) at welding joint escape orifice (82) place of described welded construction clutch shaft topping-up pump (60), described reverse osmosis membrane assembly (90) ante-chamber has diaphragm (97) between described high-pressure inlet (96) and described trap water outlet (98), described welded construction clutch shaft topping-up pump (60) entirety also comprises the welding joint machine pump housing (61), side's head pump shaft (33), water machine four fluted shaft (38), water machine runner (88), water pump impeller (44), welding joint aspiration port lid (41) and welding joint back pressure end cap (81),
The described welding joint machine pump housing (61) has water pump spiral case (67) and water machine spiral case (66) in both sides up and down respectively, and there is housing internal thread (62) described shell inner hole (63) both sides on the welding joint machine pump housing (61) respectively facing to described water pump spiral case (67) inner chamber and described water machine spiral case (66) inner chamber;
Being perpendicular on the tangent line direction of described shell inner hole (63) medullary ray on described water pump spiral case (67) has described welding joint relief outlet (69), and the pump cover step surface (46) of the pump head end hole (64) of described water pump spiral case (67) and described welding joint aspiration port lid (41) can be dismantled airtight fastening; The described discharge welding end surface (53) on welding joint relief outlet (69) there is discharge bevel for welding (55), discharges and between bevel for welding (55) and the corresponding groove on pressure duct (94), adopt exhausted oxygen submerged-arc welding process to form the airtight discharge soldered (99) of a circle;
Being perpendicular on described water machine spiral case (66) on the tangent line direction of described shell inner hole (63) and have welding joint escape orifice (82), machine lid step surface (86) of water machine stomidium (68) of described water machine spiral case (66) and described welding joint back pressure end cap (81) can be dismantled airtight fastening; The described excretion welding end surface (83) on welding joint escape orifice (82) there is excretion bevel for welding (85), between excretion bevel for welding (85) with the corresponding groove in excretion pipeline (28), adopts exhausted oxygen submerged-arc welding process to form the airtight excretion soldered (58) of a circle;
Described welding joint aspiration port lid (41) there is welding joint suction port (65) become to be arranged vertically with described pump cover step surface (46) center axis, described welding joint aspiration port lid (41) there is pump cover axis hole (47) become coaxially arranged with described pump cover step surface (46) center axis, it is running fit between described pump cover axis hole (47) and described square hole input shaft (77), the described packing seal groove (74) on pump cover axis hole (47) has sealing-ring to press described square hole input shaft (77) periphery; Slidably coordinate for axis between the axle head square hole (71) of described square hole input shaft (77) lower end with the pump shaft square end (31) of described square head pump shaft (33) upper end; The described suction welding end surface (43) on welding joint suction port (65) there is suction bevel for welding (45), sucks and between bevel for welding (45) and the corresponding groove on low pressure line (56), adopt exhausted oxygen submerged-arc welding process to form the airtight suction soldered (54) of a circle;
Described welding joint back pressure end cap (81) there is welding joint back pressure interface (89) become coaxially arranged with described machine lid step surface (86) center axis, the described back pressure welding end surface (93) on welding joint back pressure interface (89) there is back pressure bevel for welding (95), between back pressure bevel for welding (95) with the corresponding groove on back pressure pipeline (87), adopts exhausted oxygen submerged-arc welding process to form the airtight back pressure soldered (59) of a circle;
Described shell inner hole (63) upper part transition fit is fixed wtih one pair of water pump bearing (73) cylindrical, described one to water pump bearing (73) interior hole respectively shrink-fit be fixed wtih under pump head bearing section (35) of described square head pump shaft (33) and pump bearing section (37); Described shell inner hole (63) lower part transition fit is fixed wtih one pair of water machine bearing (42) cylindrical, described one to water machine bearing (42) interior hole respectively shrink-fit be fixed wtih under machine head bearing section (51) of described water machine four fluted shaft (38) and machine bearing section (52); Described square head pump shaft (33) upper side has described pump shaft square end (31), pump thread segment (32), pump flat key section (34) and described pump head bearing section (35) from top to bottom successively, and described square head pump shaft (33) lower side has bearing section (37) and shoulder block end axle (57) under described pump successively; Described water machine four fluted shaft (38) upper side has described machine head bearing section (51), there are four the oblique cambered surface in clutch holes (49) machine head bearing section (51) end face side, there is face, ratchet shelves position (409) oblique cambered surface (49) side, clutch hole, and there is ratchet hole relief groove (48) oblique cambered surface (49) bottom, clutch hole;
Described water machine four fluted shaft (38) lower side has bearing section (52) under described machine, machine thread segment (36) and machine end optical axis (39) successively, having a ratchet four tooth pole (308) between described shoulder block end axle (57) and the oblique cambered surface in the clutch hole (49) described in each, described bearing fastening circle (75) outside screw and described housing internal thread (62) are regulated and to be fixed wtih one to described water pump bearing (73) and to the axial location of described water machine bearing (42) by one; The runner internal thread (26) of described water machine runner (88) coordinates fastening with described machine thread segment (36) spiral; For being slidably matched between square shaft four sides (14) on the through hole inner circle (22) of described water pump impeller (44) and described pump flat key section (34) cylindrical transition fit, the described square hole wall (13) in axle head square hole (71) and described pump shaft square end (31);
Described ratchet four tooth pole (308) is high-strength composite 6 nylon, described shoulder block end axle (57) surface and surface, the described oblique cambered surface in clutch hole (49) all have a layer thickness to be the zinc alloy hard anticorrosive material of 0.4 to 0.6 millimeter, and described water pump bearing (73) and described water machine bearing (42) entirety material are silicon nitride ceramics.
2. a kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system according to claim 1, it is characterized in that: described compound 6 nylon is made up of the component of following weight percents: Nylon 6: 84 85, glass fibre: 45, antiaging agent: 0.03 0.04, anti-wear agent: 0.8 0.9, solidifying agent: 34, toughner: 45, and surplus is fire retardant or static inhibitor.
3. a kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system according to claim 1, it is characterized in that: elementary composition by following weight percent of described zinc alloy hard anticorrosive material: Zn:36 38, Cu:5.7 5.9, Ni:4.6 4.8, Cr:3.2 3.3, Mo:2.5 2.6, Ti:1.8 1.9, W:2.5 2.6, Sn:2.6 2.7, surplus is Fe and inevitable impurity; The weight percent content of described impurity is: C less than 0.07, Si less than 0.12, Mn less than 0.16, S less than 0.0l, P less than 0.02.
4. a kind of clutch shaft welding joint silicon nitride zinc alloy sea water desalinization system according to claim 1, is characterized in that: described silicon nitride ceramics is with Si3N4(silicon nitride) is base-material, is equipped with mineralizer MgO (magnesium oxide), BaCO3(barium carbonate) and bonding clay form, and the weight percent content of its each component is Si3N4: 92.1 92.5; MgO:2.5 2.7; BaCO3: 2.7 2.8; Bonding clay: 2.3 2.4.
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| CN103626262A (en) * | 2013-10-23 | 2014-03-12 | 国家海洋局天津海水淡化与综合利用研究所 | Variable load reverse osmosis seawater desalting system and method |
| CN103964617A (en) * | 2014-05-09 | 2014-08-06 | 张志雄 | External screw copper alloy sea water desalting device |
| CN104045185A (en) * | 2014-06-18 | 2014-09-17 | 刘天毫 | Mobile type seawater desalination application technology |
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| JP2011050843A (en) * | 2009-09-01 | 2011-03-17 | Metawater Co Ltd | Method of and system for desalinating water to be treated |
| ITMI20122169A1 (en) * | 2012-12-18 | 2014-06-19 | Giuliani Spa | ESTERS OF GLYCYRRHETIC ACID, THEIR PREPARATION AND THEIR COSMETIC APPLICATIONS |
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| CN103626262A (en) * | 2013-10-23 | 2014-03-12 | 国家海洋局天津海水淡化与综合利用研究所 | Variable load reverse osmosis seawater desalting system and method |
| CN103964617A (en) * | 2014-05-09 | 2014-08-06 | 张志雄 | External screw copper alloy sea water desalting device |
| CN104045185A (en) * | 2014-06-18 | 2014-09-17 | 刘天毫 | Mobile type seawater desalination application technology |
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