CN102893030A - Branched duct construct, and uniaxial eccentric screw pump system - Google Patents
Branched duct construct, and uniaxial eccentric screw pump system Download PDFInfo
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- CN102893030A CN102893030A CN2011800164576A CN201180016457A CN102893030A CN 102893030 A CN102893030 A CN 102893030A CN 2011800164576 A CN2011800164576 A CN 2011800164576A CN 201180016457 A CN201180016457 A CN 201180016457A CN 102893030 A CN102893030 A CN 102893030A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/10—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
- F04C15/0049—Equalization of pressure pulses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/20—Fluid liquid, i.e. incompressible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/806—Pipes for fluids; Fittings therefor
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Disclosed is a branched duct construct that branches a fluid into a desired number of branches, can dispose the discharge section of each branched duct at a desired position, and can equalize the discharge pressure and discharge quantity at each branched duct. Further disclosed is a uniaxial eccentric screw pump system provided with said branched duct construct. The branched duct (Bn) of the branched duct construct has n relay sections (Rn) so as to correspond to each of n discharge sections (Fn), and has: n systems of introduction-to-relay section ducts (SRn) that connect an introduction section (S) to the relay sections (Rn); and n systems of relay-to-discharge section ducts (RFn) that connect the aforementioned n relay sections (Rn) and discharge sections (Fn). Also, with the branched duct construct, the relay sections (Rn) are disposed at positions corresponding to n points that divide the circumference of an imaginary circle centered around a point on a vertical line passing through the center axis of the introduction section (S), and the branched duct (Bn) is formed in a manner so that the lengths of the n systems of relay-to-discharge section ducts (RFn) are each the same.
Description
Technical field
The present invention relates to be the difference flow channel structure of a plurality of systems and the eccentric shaft volute pump system with this difference flow channel structure with the liquid difference that imports in the introduction part.
Background technique
Up to now, in the time will being a plurality of stream by non-transport object (fluid) difference of following patent documentation 1 a disclosed eccentric shaft volute pump institute force feed, adopted the stream that will be connected on the described eccentric shaft volute pump to carry out one by one the countermeasures such as difference.And, up to now, adjustment valve, nozzle etc. are set in each difference stream by taking measures, and carry out respectively the such countermeasure of inching, seek the head pressure in each difference stream, the stabilization of discharge capacity.
Patent documentation 1: TOHKEMY 2008-0175199 communique.
But, have following problem: sometimes as above-mentioned content, when making the stream difference that is connected on the eccentric shaft volute pump, in order to make head pressure, discharge capacity equalization, ramification number is restricted to 2 n power (n=natural number), so that can not difference be desired ramification number.And, also have following problem: in order to make the arbitrary disposition that is configured to of each difference stream, become more difficult and make from the head pressure of the fluid of each difference stream discharge, the equalization of discharge capacity.Particularly, have following problem: need to carry out inching to them by valve, nozzle etc. being installed on each difference stream, adjust these complicated adjustment such as head pressure, discharge capacity.Therefore, in the prior art, have following problem: extremely difficult with desired ramification number fluid expulsion is formed the difference stream to the mode of desired position, aspect flow path designs, to be very restricted.
And, taking measures by valve, nozzle etc. being installed on each difference stream, so that they are carried out inching, when adjusting the countermeasure of head pressure, discharge capacity, have following problem: the inching to described valve, nozzle must be skilled, so that be difficult to seek the equalization of head pressure, discharge capacity.
Summary of the invention
The object of the invention is to: an eccentric shaft volute pump system that a kind of difference flow channel structure is provided and has this difference flow channel structure, in this difference flow channel structure, can be desired ramification number with the fluid difference that ejects from eccentric shaft volute pump etc., and when the discharge portion of each difference stream is configured in desired position, can be easy to and seeks very rightly the head pressure in each difference stream, the equalization of discharge capacity.
The difference flow channel structure of the present invention that provides in order to solve described problem is the structure that can be configured for the difference stream that the fluid that will import from introduction part discharges equably from n discharge portion.In difference flow channel structure of the present invention, be provided with accordingly n relay with in the described n discharge portion each, have: stream between the importing/relay of n system, stream connects described introduction part and a described n relay between the importing/relay of this n system; And stream between the relaying/discharge portion of n system, stream connects a described n relay and the discharge portion corresponding with this relay between the relaying/discharge portion of this n system.And, in difference flow channel structure of the present invention, dispose described relay carrying out the corresponding position of point that n cuts apart with circumference with imaginary circles, this imaginary circles be with on the plumb line in the axle center by introduction part a bit as the center, the length of stream is identical separately between the relaying/discharge portion of described n system.
In difference flow channel structure of the present invention, the circumference that preferred described relay is configured in described imaginary circles is roughly on the position of n five equilibrium.
In difference flow channel structure of the present invention, stream comprises the falling portion and the horizontal part that can allow fluid flow in the horizontal direction that can allow fluid mobile towards the below between preferred described each relaying/discharge portion, it is the stream that between described horizontal part and described falling portion, has curved part, the length summation of the related described horizontal part of stream is identical between each relaying/discharge portion, the length summation of the related described falling portion of stream is identical between each relaying/discharge portion, and the number of the described curved part between each relaying/discharge portion in the stream is identical.
And, consist of preferably that stream is formed with a plurality of curved parts at above-below direction between each relaying/discharge portion of difference flow channel structure of the present invention.
In difference flow channel structure of the present invention, can also be between described each relaying/discharge portion stream be provided with the stream path reduced tube reducing section.
In difference flow channel structure of the present invention, preferably roughly the same no matter the difference stream how, consists of the stream path at each position of each difference stream.
Also can preferred difference flow channel structure of the present invention be to consist of by the formation plate that coincidence is formed with the groove that consists of described each difference stream.And the section shape of the introduction part of preferred difference flow channel structure of the present invention is circular or positive n * a dihedral (a is random natural number).
An eccentric shaft volute pump system of the present invention has described difference flow channel structure of the present invention and an eccentric shaft volute pump, the fluid of discharging from a described eccentric shaft volute pump can be imported to the introduction part of described difference flow channel structure.
(effect of invention)
In difference flow channel structure of the present invention, dispose described relay carrying out the corresponding position of point that n cuts apart with circumference with imaginary circles, this imaginary circles be with on the plumb line in the axle center by introduction part a bit as the center.And owing to stream between the importing/relay that is provided with the n system in the mode that connects introduction part and each relay, therefore in each system, the length of stream is identical between importing/relay.So that in the interval till from the introduction part to the relay, fluid flows into each difference stream with pressure and the flow of approximate equality.And, in difference flow channel structure of the present invention, because the length of stream is identical separately the relaying/discharge portion of the n system till from n relay to n discharge portion, therefore can seek to cross the pressure loss that stream produces between each relaying/discharge portion, the equalization of fluid flow because of flow.So, according to difference flow channel structure of the present invention, can make the discharge capacity, the head pressure that import to the fluid in the introduction part roughly constant, simultaneously, be desired ramification number with the fluid difference.
In difference flow channel structure of the present invention, even valve, nozzle etc. are not set in addition, also can seek the discharge capacity in each discharge portion, the equalization of head pressure.Therefore, flow passage structure is oversimplified, and need do not adjusted described valve, nozzle, just can be suppressed at inferior limit with operation, engineering time are set.
And, in difference flow channel structure of the present invention, as long as make the length of stream between each relaying/discharge portion identical, its configuration is not needed to be limited especially.Therefore, according to difference flow channel structure of the present invention, the discharge portion of each difference stream can be configured in desired position, make the degrees of freedom on the flow path designs high.
In difference flow channel structure of the present invention, by being configured in, each relay roughly on the position of n five equilibrium, can further make the flow, the more equalization of pressure that flow into the fluid of stream between each importing/relay to the imaginary circles that is in concentric position with introduction part.Therefore, according to the present invention, can further make flow, the head pressure equalization of the fluid in each discharge portion.
In difference flow channel structure of the present invention, stream is the crooked stream that comprises falling portion and horizontal part between each relaying/discharge portion by making like that as mentioned above, and make the length summation equalization of length summation and the described falling portion of described horizontal part according to stream between each relaying/discharge portion, simultaneously, make the number of the described curved part of stream between each relaying/discharge portion identical, can make because of flow and cross the pressure loss, the flow distribution equalization that stream produces between each relaying/discharge portion.Therefore, stream is described such stream with bend flow line structure section between each relaying/discharge portion by making, and can further seek the flow of the fluid in each discharge portion, the equalization of head pressure.
And, stream is for when above-below direction has the stream of a plurality of curved parts between described each relaying/discharge portion, can make with respect to crooked position in the horizontal part in the downstream side of the flow direction of fluid towards towards the direction different from the horizontal part that is positioned at upstream side than it, and this part just can improve the degrees of freedom of each discharge portion layout.
And, in difference flow channel structure of the present invention, by no matter how the difference stream all makes the stream path of each difference stream roughly the same, can make the discharge capacity, the head pressure approximate equality that are connected to the discharge portion on each difference stream.And, as mentioned above, when in the present invention, between importing/relay between stream, relaying/discharge portion stream be provided with midway the stream path reduced tube reducing section the time or be provided with the stream path extended wide diameter portion the time, by the stream path for this tube reducing section, wide diameter portion, no matter the system of difference stream is how, make it roughly the same, also can make discharge capacity, the head pressure approximate equality of each difference stream.Like this, by no matter the system of difference stream how, all make the stream path in each position of difference stream roughly the same, roughly the sameization of the flox conditions such as the pressure loss that produce because of Fluid Flow in A can be sought, the discharge capacity of each discharge portion, the approximate equality of head pressure can also be sought.
By making difference flow channel structure of the present invention form each difference stream for overlapping the formation plate that is formed with groove, can be easy to and positively form the difference stream that meets described condition.And, when using related structure, can be at an easy rate to the difference flow channel structure assemble, decompose, cleaning etc. so that the setting of difference flow channel structure and maintenance are simpler.
And, in difference flow channel structure of the present invention, form circle or positive n * a dihedral (a is random natural number) by the section shape with introduction part, can make the flow, the equalization of pressure that flow into the fluid of each bar the stream between the importing/relay that forms the n system from introduction part.
Because an eccentric shaft volute pump system of the present invention has described difference flow channel structure of the present invention and an eccentric shaft volute pump, the fluid of discharging from a described eccentric shaft volute pump can be imported the introduction part of described difference flow channel structure, therefore can be desired ramification number with the fluid difference of coming is provided from an eccentric shaft volute pump, the discharge portion of each difference stream is configured on the desired position.And, in an eccentric shaft volute pump system of the present invention, can be easy to and suitably seek the head pressure of each difference stream, the equalization of discharge capacity.
Description of drawings
Fig. 1 is the explanatory drawing that shows the related eccentric shaft volute pump system of one embodiment of the present invention;
Fig. 2 (a) is for showing the planimetric map of the related difference flow channel structure of one embodiment of the present invention, and Fig. 2 (b) is its profile;
Fig. 3 is the oblique drawing that shows the structure that is formed on the difference stream in the difference flow channel structure shown in Figure 2;
Fig. 4 is the oblique drawing for the structure that the difference stream is described;
The explanatory drawing that Fig. 5 describes for the design method to path between the relay in the design of difference stream and importing/intermediate portion;
The explanatory drawing that Fig. 6 describes for the design method to the horizontal part of stream between the relaying/discharge portion that connects relay and discharge portion in the design of difference stream;
Fig. 7 (a), Fig. 7 (b) are respectively the explanatory drawing of the variation that shows the pipeline that consists of the difference stream;
Fig. 8 (a), Fig. 8 (b) are respectively the explanatory drawing of the variation that shows introduction part.
1-one eccentric shaft volute pump system; 5-one eccentric shaft volute pump; 50-difference flow channel structure; 60-tube reducing section; The Pn-stream consists of plate; The S-introduction part; The Fn-discharge portion; Bn-difference stream; The Rn-relay; Stream between SRn-importing/relay; Stream between RFn-relaying/discharge portion; The Dnp-falling portion; The Lnq-horizontal part; S-imports reference point; Rn-relaying reference point; Fn-discharges reference point; The H-horizontal plane; The V-plumb line.
Embodiment
Then, with reference to accompanying drawing, an eccentric shaft volute pump system 1 of the present invention (below, only be called " pumping system 1 ") and difference flow channel structure 50 are elaborated.Pumping system 1 is combined by an eccentric shaft volute pump 5 and difference flow channel structure 50.The pumping system 1 of present embodiment has feature in difference flow channel structure 50, before being described, first the structure of an eccentric shaft volute pump 5 is carried out simple declaration.
(about an eccentric shaft volute pump 5)
One eccentric shaft volute pump 5 is so-called rotary barrel type pumps, constitutes and contains stator 10, rotor 30 and power transmission mechanism 40 etc. in the inside of housing 20.As shown in Figure 2, stator 10 is the parts that are assembled in the eccentric shaft volute pump 5, and section shape is oval, is the cylindrical shell with hole of two internal screw thread form.Stator 10 is by formation such as rubber.Can be corresponding to the kind of the rubber of suitably being selected formation stator 10 by the kind of transport object, proterties etc. of in an eccentric shaft volute pump 5, transferring.
(about difference flow channel structure 50)
Difference flow channel structure 50 connects with respect to the 1st opening 22a pipe arrangement that the exhaust port as an eccentric shaft volute pump 5 of described structure plays a role.As shown in Figure 2, difference flow channel structure 50 is to make metal stream consist of plate P1～P4 at above-below direction to overlap, and becomes one by insert logical screw between each plate of above-below direction perforation P1～P4.(n is the natural number more than 2 to difference flow channel structure 50 except comprising introduction part S and n, below identical) discharge portion Fn outside, also comprise each the difference stream Bn of n system that connects introduction part S and n discharge portion Fn, can be the difference stream Bn of n system with the fluid approximate equality ground difference that imports among the introduction part S, and from each discharge of n discharge portion Fn.
Consist of plate P1～P4 at stream, except being formed with described introduction part S, n discharge portion Fn, also be formed with the groove of the difference stream Bn that consists of the n system that connects them.Below, the structure of the difference stream Bn of introduction part S, n discharge portion Fn, n system further is elaborated.
Such as Fig. 2, shown in Figure 3, introduction part S is that the stream that is being configured in the top in difference flow channel structure 50 consists of roughly rounded part of section shape set on the plate P1.It is discoid metal making sheet that stream consists of plate P1, and introduction part S is arranged on the substantial middle that this stream consists of plate P1.And the stream that discharge portion Fn is arranged in difference flow channel structure 50 below being configured in consists of plate P4.Can make configuration, the number (n is individual) of discharge portion Fn any, in the present embodiment, as shown in Figure 3, be formed with 7 discharge portion Fn (n=1～7) in straight line L arrangement.
Difference stream Bn is made of the groove that is formed on stream and consists of plate P1～P4.Difference stream Bn is formed with the n system corresponding to being provided with each of the individual discharge portion Fn (n=1～7) of n.That is, form the 1st～the n difference stream Bn.In the present embodiment, owing to be provided with 7 discharge portion Fn, therefore be formed with the difference stream Bn by the 1st difference stream B1～7 systems that the 7th difference stream B7 consists of.
As shown in Figure 4, difference stream Bn (n=1～7) roughly is divided between the importing/relay that connects each relay Rn (n=1～7) of arranging with respect to discharge portion Fn (n=1～7) and introduction part S stream RFn (n=1～7) between stream SRn (n=1～7) and the relaying/discharge portion that is connected each relay Rn (n=1～7) and each discharge portion Fn (n=1～7).Stream RFn (n=1～7) is being communicated with respectively between stream SRn between each importing/relay (n=1～7) and each relaying/discharge portion, is formed with a series of stream.
As shown in Figure 5, relay Rn (n=1～7) be configured in the concentric imaginary circles C1 of described introduction part S on.And relay Rn (n=1～7) is configured in circumference to imaginary circles C1 to carry out n and cuts apart on the position of (in the present embodiment, be 7 cut apart).Although cut apart to dispose relay Rn (n=1～7) as long as the circumference of imaginary circles C1 is carried out n, but consider will with the fluid approximate equality when offering each difference stream Bn (n=1～7), preferred disposition is carried out on the position of n five equilibrium roughly at the circumference to imaginary circles C1.According to this viewpoint, in the present embodiment, relay Rn (n=1～7) is configured on the position that circumference to imaginary circles C1 carries out n five equilibrium (in the present embodiment, being 7 five equilibriums) roughly.So stream SRn between each importing/relay (n=1～7) forms radial centered by introduction part S.
As shown in Figure 4, stream RFn between relaying/discharge portion (n=1～7) has falling portion Dnp (n=1～7, p=1～3) and horizontal part Lnq (n=1～7, q=1～2) separately, is the crooked stream by they are connected to form.Specifically, stream RFn between each relaying/discharge portion (n=1～7) is communicated with the order of falling portion Dn1 → horizontal part Ln1 → falling portion Dn2 → horizontal part Ln2 → falling portion Dn3, is to be connected to the formed stream of discharge portion Fn (n=1～7).
In the present embodiment, the length of each falling portion Dnp and each horizontal part Lnq is roughly the same in each system, and internal diameter is also roughly the same.So guard system is not how, the total length of stream RFn and opening diameter are roughly the same between relaying/discharge portion, and fluid is by the inner pressure loss that produces also approximate equality.
(about the design method of difference stream Bn)
Then, the design method of described difference stream Bn (n=1～7) described.In difference stream Bn, falling portion Dn1, Dn2, Dn3 (n=1～7) be consist of plate P2 by run through stream at above-below direction, P3, P4 penetration hole formed, identical opening diameter forms.Therefore, no matter the system of difference stream Bn (n=1～7) how, length, the opening diameter of falling portion Dn1, Dn2, Dn3 (n=1～7) are identical.So, when design difference stream B, consist of the part of extending on the substantially horizontal, specifically, consist of between importing/relay that the configuration of the horizontal part Lnq (n=1～7, q=1～2) of stream RFn (n=1～7) just becomes problem between stream SRn (n=1～7), relaying/discharge portion.Below, centered by the design method of stream SRn between importing/relay (n=1～7), horizontal part Lnq (n=1～7, q=1～2), describe.
Among stream SRn between importing/relay (n=1～7), the horizontal part Lnq (n=1～7, q=1～2), the position relationship of the substantially horizontal of introduction part S, relay Rn, discharge portion Fn (n=1～7) is to determine as benchmark take the place that they is projected on the virtual horizontal H.Specifically, the plumb line of the shaft core position by introduction part S, relay Rn, discharge portion Fn (n=1～7) and the intersection point between the horizontal H are decided to be respectively and import reference point s, relaying reference point rn, discharge reference point fn (with reference to Fig. 4).
Because stream SRn (n=1～7) is the stream that connects introduction part S and relay Rn between importing/relay, therefore must determine relay Rn (n=1～7).As shown in Figure 5, in relay Rn (n=1～7), to be set in the imaginary circles C1 that decides radius r 1 centered by the importing reference point s on the horizontal H corresponding to introduction part S, to carry out the position of n five equilibrium roughly at the circumference to imaginary circles C1 again and set relaying reference point rn corresponding to relay Rn (n=1～7).In the present embodiment, owing to must form the difference stream Bn of 7 systems, therefore on the circumference of imaginary circles C1, set relaying reference point rn (n=1～7) every 360/7 " degree ".
Here, horizontal part Ln1 (n=1～7) is formed on stream and consists of between plate P2, the P3, is the stream that extends in the horizontal direction as benchmark take the position of described relay Rn (n=1～7) under just.And horizontal part Ln2 (n=1～7) is formed on stream and consists of between plate P3, the P4, is the stream that extends in the horizontal direction as benchmark take the position that described discharge portion Fn (n=1～7) is just going up.And the flow path length of horizontal part Ln1 (n=1～7) must be identical in each system, and the flow path length of horizontal part Ln2 (n=1～7) also must be identical in each system.
So, when the Ln1 of design level section, Ln2, at first, as shown in Figure 6, set the imaginary circles C2n (n=1～7) of radius r 2 and the imaginary circles C3n (n=1～7) of radius r 3 in horizontal H, the imaginary circles C2n of this radius r 2 (n=1～7) is by corresponding with discharge portion Fn (n=1～7) and be set in centered by the relaying reference point rn (n=1～7) on the horizontal H, the imaginary circles C3n of this radius r 3 (n=1～7) with intersect by the imaginary circles C2n (n=1～7) that discharges centered by the reference point fn (n=1～7).The imaginary circles C2n (n=1～7) that forms thus and the intersection point between the imaginary circles C3n (n=1～7) are decided to be crooked reference point xn (n=1～7).
Be specifically described as an example of the design method of the 1st difference stream B1 example, when the L11 of design level section, L12, as shown in Figure 6, set in the position that is being equivalent to discharge portion F1 and to discharge reference point f1.And, in the 1st difference stream B1, centered by the relaying reference point r1 of imagination, set the imaginary circles C21 of radius r 2 and the imaginary circles C31 that centered by discharge reference point f1, sets radius r 3.Horizontal part L11 is set in position at the intersection point X1 that connects imaginary circles C21, C31 and relaying reference point r1, sets horizontal part L12 in the position that connects intersection point X1 and discharge reference point f1.Same horizontal part Ln1, the Ln2 (n=1～7) that sets the 2nd～the 7th difference stream B2～B7.
As mentioned above, at relaying reference point rn, crooked reference point xn and after discharging reference point fn decision, as shown in Figure 4, set plumb line Vrn, Vxn, Vfn by them.And imagination is by the horizontal plane J1 between stream formation plate P1, the P2, by the horizontal plane J2 between stream formation plate P2, the P3, by the horizontal plane J3 between stream formation plate P3, the P4.Intersection point between plumb line Vrn and the horizontal plane J1 becomes the boundary portion between stream SRn between importing/relay (n=1～7) and the falling portion Dn1.And the intersection point between plumb line Vxn and the horizontal plane J2 becomes the boundary portion between horizontal part Ln1 and the falling portion Dn2, and the intersection point between plumb line Vxn and the horizontal plane J3 becomes the boundary portion between falling portion Dn2 and the horizontal part Ln2.And the intersection point between plumb line Vfn and the horizontal plane J3 becomes the boundary portion between horizontal part Ln2 and the falling portion Dn3.By stream RFn (n=1～7) between such design importing/intermediate portion stream Srn and relaying/discharge portion, can make flow path length identical, form a series of difference stream Bn (n=1～7) that is connected to each discharge portion Fn from introduction part S.
As mentioned above, in the difference flow channel structure 50 of present embodiment, n relaying reference point rn is set at being undertaken by the circumference that is positioned at the imaginary circles C1 centered by the importing reference point s with introduction part S concentric position on the position that n cuts apart, and position corresponding with each relaying reference point rn in horizontal plane J1 is provided with relay Rn.And owing to stream SRn between the importing/relay that is provided with the n system in the mode that connects introduction part S and each relay Rn, therefore the length of stream SRn is identical in each system between importing/relay.So, difference flow channel structure 50 until in the interval of relay Rn, can allow with the pressure of approximate equality and flow with respect to each difference stream Bn and import to fluid circulation the introduction part S from an eccentric shaft volute pump 5.
And, in the difference flow channel structure 50 of present embodiment, design by described flow path designs method, the length of stream RFn is identical separately each the relaying/discharge portion till can making from n relay Rn to each discharge portion Fn that arranges corresponding to them.Therefore, in difference flow channel structure 50, no matter difference stream Bn how, can both make by flow and cross the pressure loss that stream RFn produces between each relaying/discharge portion, the flow equalization of fluid.So, according to difference flow channel structure 50, can make the fluid discharge, the head pressure that import among the introduction part S roughly constant, simultaneously, be desired ramification number with the fluid difference.
As mentioned above, by using difference flow channel structure 50, can make discharge capacity, the head pressure equalization of the fluid among each discharge portion Fn.Therefore, needn't be as prior art, at each discharge portion Fn and connect in addition valve that thereon stream is provided for adjusting discharge capacity, head pressure, nozzle etc., also needn't adjust valve, nozzle.So, if use described difference flow channel structure 50, will provide the fluid difference of coming from an eccentric shaft volute pump 5 is a plurality of systems, and flow passage structure is oversimplified, do not need to adjust discharge capacity, head pressure, be suppressed at inferior limit with keeping in repair, arrange the required time of operation.
In difference flow channel structure 50, by carrying out as described above flow path designs, no matter difference stream Bn how, can both make the flow path length of stream RFn between stream SRn between importing/relay and relaying/discharge portion identical.Therefore, in difference flow channel structure 50, not only can as described above discharge portion Fn be configured on the straight line of regulation, can also suitably dispose as requested, the degrees of freedom that the layout of discharge portion Fn is selected is high.And, according to difference flow channel structure 50, even not making as prior art the number of discharge portion Fn is 2 n power, also can make discharge capacity, the head pressure equalization of the fluid among each discharge portion Fn, can suitably adjust as required the number of discharge portion Fn.
In the difference flow channel structure 50 of present embodiment, no matter the system of difference stream Bn how, the length summation of falling portion Dnp and the length summation of horizontal part Lnq are identical.And, in difference flow channel structure 50, consist of each position of each difference stream Bn, specifically, it is roughly the same to consist of between importing/relay between stream SRn, relaying/discharge portion size, the section shape of the pipeline of stream RFn.And, in the Bn of each difference system, be formed on curved section total identical on the border between horizontal part Lnq and the falling portion Dnp.Therefore, no matter the pressure loss, the flow distribution approximate equality that stream RFn produces between each relaying/discharge portion how, crossed because of flow by the system of difference stream Bn, can make discharge capacity, the head pressure equalization of the fluid among each discharge portion Fn.
Difference stream Bn shown in the present embodiment does not carry out in boundary part too with horizontal part Lnq and falling portion Dnp that the example that is bent into of macrobending describes, and the present invention is not limited thereto.Namely, because the difference flow channel structure 50 of present embodiment is to consist of the structure that plate P1～P4 consists of each difference stream Bn by the stream that coincidence is formed with groove, therefore can not carry out making it continuous in the situation of macrobending too to the boundary part between horizontal part Lnq and the falling portion Dnp, but when the pipe arrangement bending that for example makes copper pipe forms each difference stream Bn, compare with present embodiment, the boundary part of having between horizontal part Lnq and falling portion Dnp carries out significant bending.So shown in Fig. 7 (a), difference stream Bn uses the curvature larger than present embodiment to carry out crooked stream at described boundary part.
In addition, even as described above significantly during the curved boundaries part, yet like this design path: guard system is not how, make difference stream Bn have on the whole roughly the same flow path length, guard system is not how, make the length summation of falling portion Dnp identical, the length summation of horizontal part Lnq is identical, and the number of curved section is identical.As long as satisfy these conditions, just can be the same with the example shown in the present embodiment, make head pressure, the discharge capacity approximate equality of the fluid among each discharge portion Fn.
In difference flow channel structure 50, stream RFn comprises curved part between described each relaying/discharge portion, can take curved part make as the boundary downstream side horizontal part Lnq towards towards from than curved part by the different direction of the horizontal part Lnq of upstream side (upper side).And stream RFn has respectively at the many places of above-below direction curved part between relaying/discharge portion.Therefore, difference flow channel structure 50 can be corresponding to the layout of each discharge portion Fn, makes that stream RFn arrives the arbitrary position in the horizontal direction between each relaying/discharge portion, and the degrees of freedom on the flow passage structure is higher.
Although in the difference flow channel structure 50 shown in the present embodiment, no matter the position how, the opening diameter of stream that consists of each difference stream Bn is identical, but the present invention is not limited thereto, shown in Fig. 7 (b), also can constitute between the relaying/discharge portion of whole system stream RFn arrange the opening diameter of stream reduced position (tube reducing section 60).And, on the contrary, also can the stream path be set at each difference stream Bn and compare the position (wide diameter portion) that has enlarged with other position.And, the section shape position different from other position of stream also can be set, as of the position that consists of each difference stream Bn.In addition, when stream path, section shape that described tube reducing section 60 grades the are set position different from other, in order to seek the equalization because of the pressure loss that Fluid Flow in A produces, fluid flow etc. in each difference stream Bn, the same position that is preferably among each difference stream Bn arranges the positions such as tube reducing section 60.And, no matter the system of difference stream Bn how, preferably makes the stream path, the stream sectional area that are arranged on the positions such as tube reducing section 60 among each difference stream Bn roughly the same.Do like this, even when being provided with tube reducing section 60, also can further make the pressure loss among each difference stream Bn, the balance equalization of fluid flow, can prevent that the discharge capacity of the fluid among each discharge portion Fn, head pressure from producing difference.
Because difference flow channel structure 50 is to consist of the structure that plate P1～P4 forms each difference stream Bn by the stream that coincidence is formed with groove, therefore can be easy to and suitably form utilize the designed difference stream Bn of described design method.In addition, in the present embodiment, consist of plate P1～P4 and consist of each difference stream Bn and be illustrated as example to overlap stream, the present invention is not limited thereto, and also can form described difference stream Bn by suitable bending metals pipe, pitch tube etc.And, also can consist of difference flow channel structure 50 by multiple common elements, form the difference stream Bn that is configured in desired position and has desired shape by the described common elements of appropriate combination.And the structure of difference flow channel structure 50 also can be that the part that makes to consist of the part of stream SRn between importing/relay and consist of centre/discharge portion pipe stream RFn is different parts formation, consists of each difference stream Bn by connecting them again.And, for example, also can distinguish the parts of composition of preparation falling portion Dnp and the parts of formation horizontal part Lnq, they consist of relaying/discharge portion pipe stream RFn by suitable connection again.
In the difference flow channel structure 50 shown in the present embodiment, owing to be equivalent to consist of on the position of horizontal plane J1～J3 contemplated in the border of plate P1～P4 at each stream, Bn carries out bending to each difference stream, therefore each difference stream Bn is crooked at equal height, but the present invention is not limited thereto, as long as satisfy identical this condition of total length of each difference stream Bn, each difference stream Bn also can be crooked at different heights.When each difference stream Bn constitutes when different heights is crooked, can avoid at an easy rate the interference between the difference stream Bn, can further improve the layout degrees of freedom of each difference stream Bn, each discharge portion fn.
In the present embodiment, each difference stream Bn that is connected to introduction part S is difference halfway not, consisted of a series of stream, but the present invention is not limited thereto, and each difference stream Bn can form also separately halfway further that difference is multisystem.In addition, when making halfway each difference stream Bn difference, be preferably in each difference stream Bn and make ramification number identical.And, even when making halfway each difference stream Bn difference, also can make the pressure loss, the flow equalization that produce because of fluid flows by carrying out flow path designs according to described flow path designs method, make head pressure, the discharge capacity equalization of the fluid among each discharge portion Fn.
In the difference flow channel structure 50 of present embodiment, because the section shape of introduction part S is circular, and roughly equally spaced be connected with in a circumferential direction each difference stream Bn, therefore can with respect to each difference stream Bn approximate equality provide from an eccentric shaft volute pump 5 and import to fluid the introduction part S.In addition, the section shape of introduction part S is not defined as circle, section shape also can be polygon, and from providing fluid this viewpoint for each difference stream Bn approximate equality, preferably section shape roughly is positive n dihedral or roughly is positive n * a dihedral (a is natural number).Specifically, for example, when being provided with 3 discharge portion Fn, when forming the 3 difference stream Bn of system, shown in Fig. 8 (a), the section shape that can make introduction part S is equilateral triangle, perhaps, shown in Fig. 8 (b), be regular hexagon (n=3, a=2, n * a=6).By the shape of such adjustment introduction part S, can each difference stream Bn will be offered with importing to fluid approximate equality the introduction part S from an eccentric shaft volute pump 5 sides.
In the present embodiment, although stream SRn only has the part of extending in the horizontal direction between importing/intermediate portion, but the present invention is not limited thereto, and also can have part as the falling portion Dnp of stream RFn between relaying/discharge portion, that extend at above-below direction (vertical direction).When being related structure, with the same described in the design method of described difference stream Bn, by carrying out set relay Rn and introduction part S on the position that n cuts apart in order to be connected to circumference to imaginary circles C1, stream SRn between each importing/intermediate portion is carried out flow path designs, can from introduction part S to each difference stream Bn approximate equality fluid is provided.
In the present embodiment, consist of an eccentric shaft volute pump system 1 and be illustrated as example so that difference flow channel structure 50 and an eccentric shaft volute pump 5 are combined, the present invention is not limited thereto, and also known pump outside difference flow channel structure 50 and the eccentric shaft volute pump 5 etc. can be combined to use.
Claims (9)
1. a difference flow channel structure can consist of the difference stream, and this difference stream is used for making the fluid that imports from introduction part to discharge equably from n discharge portion, it is characterized in that:
Be provided with accordingly n relay with in the described n discharge portion each,
Each difference stream has:
Stream between the importing/relay of n system, stream connects described introduction part and a described n relay between the importing/relay of this n system; And
Stream between the relaying/discharge portion of n system, stream connects a described n relay and the discharge portion corresponding with this relay between the relaying/discharge portion of this n system,
Dispose described relay carrying out the corresponding position of point that n cuts apart with circumference with imaginary circles, this imaginary circles be with on the plumb line in the axle center by introduction part a bit as the center,
The length of stream is identical separately between the relaying/discharge portion of described n system.
2. difference flow channel structure according to claim 1 is characterized in that:
The circumference that described relay is configured in described imaginary circles carries out the roughly position of n five equilibrium.
3. difference flow channel structure according to claim 1 and 2 is characterized in that:
Stream comprises the falling portion and the horizontal part that can allow fluid flow in the horizontal direction that can allow fluid mobile towards the below between described each relaying/discharge portion, is the stream that has curved part between described horizontal part and described falling portion,
The length summation of the related described horizontal part of stream is identical between each relaying/discharge portion,
The length summation of the related described falling portion of stream is identical between each relaying/discharge portion,
The number of the described curved part between each relaying/discharge portion in the stream is identical.
4. difference flow channel structure according to claim 3 is characterized in that:
Stream is the stream that is formed with a plurality of curved parts at above-below direction between described each relaying/discharge portion.
5. the described difference flow channel structure of any one according to claim 1～4 is characterized in that:
Between described each relaying/discharge portion stream be provided with the stream path reduced tube reducing section.
6. the described difference flow channel structure of any one according to claim 1～5 is characterized in that:
No matter the difference stream how, the stream path of each difference stream is roughly the same.
7. the described difference flow channel structure of any one according to claim 1～6 is characterized in that:
The plate that is formed with the groove that consists of described each difference stream by coincidence consists of.
8. the described difference flow channel structure of any one according to claim 1～7 is characterized in that:
The section shape of introduction part is circular or positive n * a dihedral, and a is random natural number.
9. eccentric shaft volute pump system is characterized in that:
A described eccentric shaft volute pump system has the described difference flow channel structure of any one and an eccentric shaft volute pump in the claim 1～8,
The fluid of discharging from a described eccentric shaft volute pump can be imported to the introduction part of described difference flow channel structure.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-075776 | 2010-03-29 | ||
| JP2010075776A JP5614740B2 (en) | 2010-03-29 | 2010-03-29 | Branch channel structure and uniaxial eccentric screw pump system |
| PCT/JP2011/056956 WO2011122413A1 (en) | 2010-03-29 | 2011-03-23 | Branched duct construct, and uniaxial eccentric screw pump system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102893030A true CN102893030A (en) | 2013-01-23 |
| CN102893030B CN102893030B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180016457.6A Active CN102893030B (en) | 2010-03-29 | 2011-03-23 | Difference flow channel structure and a uniaxial eccentric screw pump system |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5614740B2 (en) |
| KR (1) | KR101801995B1 (en) |
| CN (1) | CN102893030B (en) |
| WO (1) | WO2011122413A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01300075A (en) * | 1988-05-25 | 1989-12-04 | Tokyo Seimitsu Hatsujo Kk | Fluid pouring device |
| DE19928913A1 (en) * | 1999-06-24 | 2001-01-04 | Bosch Gmbh Robert | Piston pump |
| JP2008017199A (en) * | 2006-07-06 | 2008-01-24 | Nec Saitama Ltd | Radio transmitter and phase correcting method |
| CN101311614A (en) * | 2006-12-28 | 2008-11-26 | 亚申科技研发中心（上海）有限公司 | Fluid distributing apparatus and method for manufacturing same |
| CN201199110Y (en) * | 2008-04-30 | 2009-02-25 | 王秋霞 | Liquid separating machine of air conditioner |
| JP2009168195A (en) * | 2008-01-18 | 2009-07-30 | Hitachi Appliances Inc | Distributor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE758311A (en) * | 1969-10-31 | 1971-04-30 | Technicon Instr | FLUID DISTRIBUTOR MANIFOLD |
| DE2004952A1 (en) * | 1970-02-04 | 1971-08-12 | Hans J Schmidt Gmbh Zentralhei | Connection piece for lines |
| JP2875980B2 (en) * | 1996-02-14 | 1999-03-31 | 忠男 野村 | Atomizer nozzle |
| US6267912B1 (en) | 1997-04-25 | 2001-07-31 | Exxon Research And Engineering Co. | Distributed injection catalytic partial oxidation process and apparatus for producing synthesis gas |
| US7063276B2 (en) * | 2004-03-23 | 2006-06-20 | Agri-Inject, Inc. | System for uniform dispersal of agricultural chemicals |
-
2010
- 2010-03-29 JP JP2010075776A patent/JP5614740B2/en active Active
-
2011
- 2011-03-23 WO PCT/JP2011/056956 patent/WO2011122413A1/en active Application Filing
- 2011-03-23 KR KR1020127025724A patent/KR101801995B1/en active IP Right Grant
- 2011-03-23 CN CN201180016457.6A patent/CN102893030B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01300075A (en) * | 1988-05-25 | 1989-12-04 | Tokyo Seimitsu Hatsujo Kk | Fluid pouring device |
| DE19928913A1 (en) * | 1999-06-24 | 2001-01-04 | Bosch Gmbh Robert | Piston pump |
| JP2008017199A (en) * | 2006-07-06 | 2008-01-24 | Nec Saitama Ltd | Radio transmitter and phase correcting method |
| CN101311614A (en) * | 2006-12-28 | 2008-11-26 | 亚申科技研发中心（上海）有限公司 | Fluid distributing apparatus and method for manufacturing same |
| JP2009168195A (en) * | 2008-01-18 | 2009-07-30 | Hitachi Appliances Inc | Distributor |
| CN201199110Y (en) * | 2008-04-30 | 2009-02-25 | 王秋霞 | Liquid separating machine of air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130029375A (en) | 2013-03-22 |
| KR101801995B1 (en) | 2017-11-27 |
| CN102893030B (en) | 2015-11-25 |
| JP2011208537A (en) | 2011-10-20 |
| WO2011122413A1 (en) | 2011-10-06 |
| JP5614740B2 (en) | 2014-10-29 |
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