CN102735094B - Socket-joint type pulsating flow generator - Google Patents
Socket-joint type pulsating flow generator Download PDFInfo
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- CN102735094B CN102735094B CN 201210145159 CN201210145159A CN102735094B CN 102735094 B CN102735094 B CN 102735094B CN 201210145159 CN201210145159 CN 201210145159 CN 201210145159 A CN201210145159 A CN 201210145159A CN 102735094 B CN102735094 B CN 102735094B
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Abstract
The invention relates to a socket-joint type pulsating flow generator. The socket-joint type pulsating flow generator comprises a main path which consists of a water tank, a frequency modulation pump, a first stop valve, a tee-joint and a socket-joint type pulsating generator, wherein the water tank is connected with one end of the frequency modulation pump, the first stop valve is connected with the other end of the frequency modulation pump, the first stop valve and the socket-joint type pulsating flow generator are connected with each other through two joints of the tee-joint, the other joint of the tee-joint is connected with a bypass, and the second stop valve is arranged on the bypass. The socket-joint type pulsating flow generator disclosed by the invention has the main advantages that the socket-joint type pulsating flow generator can obtain exact sine fluctuation pulsating flow; output flow rate can be directly changed through direct up-down motion of a valve sheet of the socket-joint type pulsating flow generator, the distance of up-down motion is symmetrical about the center of a channel and can be randomly adjusted, and thus the pulsating amplitude is easy to be obtained; and the socket-joint type pulsating flow generator is provided with the frequency modulation pump so that the pumping flow rate is easy to adjust to prevent the amount of backflow from being overlarge and to prevent too much energy from being consumed.
Description
Technical field
The present invention relates to a kind of spigot-and-socket Pulsating Flow generating means, this device is used for accurately producing by the periodically variable Pulsating Flow of sinusoidal rule at pipeline.
Background technology
The core starting point of Heat Transfer developing direction is closely to dominate greatly science and technology----biology, information and nanosecond science and technology in conjunction with three of world today social economy and scientific technological advance in China's In Engineering Thermal Physics.At present, boiler research all concentrates on this three aspects.Efficiently heat radiation and heat transmission function be can realize by the boiler technology, the thermal boundary bottleneck of key areas and the consumption that greatly reduces the energy solved.The research of boiler progressively enters the boiler of micro/nano-scale from macro-examination, such as little drop and little heat exchanger etc.These are indicating that all boiler has widely application background and huge potentiality to be exploited, and have important research value, and it is very necessary to carry out relevant research.This seminar is carrying out national natural science fund subsidy project " research of tubular heat exchanger Augmented Heat Transfer of Elastic Coiled Tube Bundles by Flow Induced Vibration mechanism " research (NO.50976080) at present, the research of this problem also relates to Pulsating Flow, becomes the problem that needs solve so seek to obtain Pulsating Flow.The domestic patent No. is the pulsating flow generator of " CN200910060614.8 ", the tentatively rate of flow of fluid of property performance period variation pulsation, but this pulsating flow generator can only be realized the adjusting of ripple frequency, can not realize the adjusting of pulse amplitude, and this patent is not explained to " gradually the opening-gradually close-gradually open " of how to realize blade.Based on this, should seek to solve the fine adjustment of three amounts such as Pulsating Flow mean flow rate, ripple frequency and pulse amplitude.
Summary of the invention
Technical problem to be solved by this invention is a kind of spigot-and-socket Pulsating Flow generating means of proposing for above-mentioned prior art.This device realizes that by the acting in conjunction of spigot-and-socket pulsating flow generator and bypass it is desired by the periodically variable Pulsating Flow of sinusoidal rule to produce the user to the fine adjustment of pulsation mean flow rate, ripple frequency and three parameters of pulse amplitude.
The present invention solves the problems of the technologies described above the technical scheme that adopts to be: spigot-and-socket Pulsating Flow generating means, it is characterized in that including the main road that water tank, frequency modulation pump, the first stop valve, threeway and spigot-and-socket pulsating flow generator form,
Wherein said frequency modulation pump one end is connected with water tank, be used for pumping fluid, the other end connects the first stop valve, be used for regulating and pump uninterrupted, two interfaces by threeway between described the first stop valve and the spigot-and-socket pulsating flow generator link to each other, another interface links a bypass, be provided with the second stop valve in the bypass, bypass is led back to excess fluid and is flow to water tank, and the frequency modulation pump is used for pumping the fluid working substance of water tank, the second stop valve regulation output uninterrupted, when the spigot-and-socket pulsating flow generator is worked, fluid in the main road produces pulsation, and the bypass auxiliary adjustment makes and produces desired Pulsating Flow in the main road, when spigot-and-socket Pulsating Flow output flow reduces, the flow of bypass increases, when output flow increased, bypass flow reduced
Described spigot-and-socket pulsating flow generator includes frequency modulation motor, cam link mechanism, support, valve gap, valve rod, valve block and valve seat,
Wherein frequency modulation motor is positioned at the top of support and by stent support, be used for outputting power, the rotating shaft of frequency modulation motor is connected with the cam of cam link mechanism, valve stem sleeve is contained in the valve gap middle part, its top is connected by hinge with the connecting rod of cam link mechanism, described valve gap connects on the valve seat that is arranged on the bottom by bolt and nut, described valve block and valve rod are connected as a single entity up and down, and valve block is positioned at the passage of valve seat, frequency modulation motor drives cam link mechanism and moves back and forth, in the reciprocating motion process, valve rod is done and is pumped, cyclically-varying appears in valve block valve seat actual internal area in the cycle movement process, and the variation of valve base channel flow resistance generating period comes the flow of regulating valve seat output with this.
Press such scheme, be installed on speed adjusting module on the described frequency modulation motor, link to each other with the circuit of frequency modulation motor, be used for changing the frequency modulation motor rotating speed.
Press such scheme, the connecting rod center of described cam link mechanism is one hollow rectangular, is convenient to connecting rod and cooperates arbitrarily with cam.
Press such scheme, be fixedly installed the stroke scale on the described support, be used to indicate the displacement of valve rod, be convenient to observe the periodic upper and lower displacement amount of valve block so that the eccentric throw of adjustment cam.
Press such scheme, described support is fixed in the valve gap both sides by the second lock nut and pad.
Press such scheme, described valve rod and valve gap annular space bottom are installed on axle bush, can guide valve rod to move up and down, described axle bush top also is provided with the first lock nut, be used for compressing positioning pipe, described the first lock nut top also is provided with for the positioning pipe that supports valve rod, fixes by clamping screw on it, and valve rod is remained in the valve gap.
Press such scheme, described valve gap top also is arranged with the sealing shroud that seals.
Press such scheme, the passage of described valve seat is a circular channel.
Press such scheme, be provided with packing ring between described valve gap and the valve seat, play a part fluid-encapsulated.
Press such scheme, the valve seat of described spigot-and-socket pulsating flow generator also is connected with check-valves, prevents liquid backflow, and described check-valves also is connected with the high frequency flowmeter, is used for observing flow, is convenient to regulate.
Press such scheme, the sectional area equal and opposite in direction of described each pipeline.
When the stroke scale label of spigot-and-socket pulsating flow generator of the present invention was in 0 scale, the valve block bottom just in time was positioned at the valve base channel middle part, blocks the fluid passage half, and the cam eccentric shaft is positioned at horizontal level.When machine operation, the band moving valve plate moves up and down identical distance take channel center as benchmark, in order to the actual internal area of symmetry adjusting valve block shutoff, thus the pulsation amplitude of regulating the pulsating flow generator output flow.The movement of this symmetry also is reflected on the stroke scale, initially is designated as 0 scale, by changing the eccentric throw of cam, can so that pointer in (1/4,1/4), (1/2,1/2), (1, the back and forth change in the arbitrary scale scope such as 1), scale value is pulse amplitude.Spigot-and-socket pulsating flow generator of the present invention carries out disturbance at Pulsating Flow output branch road, but spigot-and-socket pulsating flow generator convection cell passage is realized the change of " section separately-partly pass-section separates ", is used for output ripple stream.
Frequency modulation pump of the present invention can change the uninterrupted of pumping fluid working substance, by means of the adjusting of stop valve to satisfy the needs of pulsation average discharge, the straight dynamic frequency of the valve block of spigot-and-socket pulsating flow generator as required ripple frequency is set, during valve block work, the flow generation pulsatile change of pulsation branch road, and the displacement that valve block directly moves up and down can be regulated arbitrarily, satisfy the needs of different pulse amplitudes, when Pulsating Flow is exported the fluid pulsation of branch road, the flow of bypass is together pulsation also, unnecessary flow is back to water tank, pulsation branch road output ripple flow can obtain by the reading of observing the high frequency flowmeter, further regulates obtaining required Pulsating Flow according to reading.
Major advantage of the present invention is: 1) this device can obtain the Pulsating Flow 2 of accurate sinusoidal fluctuation) Direct Action Type of the valve block of spigot-and-socket pulsating flow generator moves up and down, can directly change output flow, and the distance that moves up and down is symmetrical with respect to channel center, distance also can be regulated arbitrarily, thus the easier pulse amplitude that obtains.3) this device is more prone to regulate the flow of pumping by introducing the frequency modulation pump, in case the backflow flow is excessive, consumes too much energy.
Description of drawings
Fig. 1 is the structure principle chart of the embodiment of the invention;
Fig. 2 is the structural representation of the spigot-and-socket pulsating flow generator of Fig. 1;
Among the figure 1, water tank, 2, fluid working substance, 3, the frequency modulation pump, 4, the first stop valve, 5, threeway, the 6, second stop valve, 7, spigot-and-socket pulsating flow generator, 8, check-valves, 9, the high frequency flowmeter, 10, the first lock nut, 11, pad, the 12, second lock nut, 13, bolt, 14, nut, 15, axle bush, 16, packing ring, 17, valve gap, 18, valve rod, 19, valve block, 20, valve seat, 21, frequency modulation motor, 22, the frequency modulation module, 23, cam, 24, connecting rod, 25, support, 26, stroke scale, 27, sealing shroud, 28, clamping screw, 29, positioning pipe.
The specific embodiment
The present invention will be further described in detail below in conjunction with drawings and Examples, but this explanation can not be construed as limiting the invention.
As shown in Figure 1, spigot-and-socket Pulsating Flow generating means mainly includes the main road that water tank 1, frequency modulation pump 3, the first stop valve 4, threeway 5 and spigot-and-socket pulsating flow generator 7 form, and among the figure, arrow is fluid working substance 2 flow directions,
Wherein said frequency modulation pump 3 one ends are connected with water tank 1, be used for pumping fluid working substance 2, the fluid working substance 2 of frequency modulation pump 3 exportable different flows, pulsating flow as required, select the different flow grade, the other end connects the first stop valve 4, be used for regulating and pump uninterrupted, two interfaces by threeway 5 between described the first stop valve and the spigot-and-socket pulsating flow generator link to each other, another interface links a bypass, be provided with the second stop valve 6 in the bypass, the fluid working substance 2 of pumping out is through the first stop valve 4, to be divided into two-way by threeway 5, one tunnel process bypass is back to water tank 1, another road is through pulsation output branch road, the frequency modulation pump is used for pumping the fluid working substance 2 of water tank, the second stop valve is used for regulating the uninterrupted of bypass, indirect regulation output flow size, when the spigot-and-socket pulsating flow generator is worked, fluid in the main road produces pulsation, the bypass auxiliary adjustment makes and produces desired Pulsating Flow in the main road, when spigot-and-socket Pulsating Flow output flow reduced, the flow of bypass increased, when output flow increases, bypass flow reduces, the valve seat of described spigot-and-socket pulsating flow generator also is connected with check-valves 8, prevents liquid backflow, and described check-valves also is connected with high frequency flowmeter 9, be used for observing flow, be convenient to regulate.
As shown in Figure 2, the spigot-and-socket pulsating flow generator, include frequency modulation motor 21, cam link mechanism, support 25, valve gap 17, valve rod 18, valve block 19 and valve seat 20, wherein frequency modulation motor is positioned at the top of support and by stent support, be used for outputting power, be installed on speed adjusting module 22 on the described frequency modulation motor, link to each other with the circuit of frequency modulation motor, be used for changing the frequency modulation motor rotating speed, the rotating shaft of frequency modulation motor is connected with the cam of cam link mechanism 23, the eccentric throw of cam 23 can be regulated, be used for regulating the amplitude of Pulsating Flow, valve rod 18 is sleeved on the valve gap middle part, the connecting rod 24 of its top and cam link mechanism is connected by hinge, connecting rod 24 centers of cam link mechanism are one hollow rectangular, being convenient to connecting rod cooperates arbitrarily with cam, described valve gap 17 connects on the valve seat 20 that is arranged on the bottom by bolt 13 and nut 14, described valve block 19 is connected as a single entity up and down with valve rod 18, and valve block is positioned at the passage of valve seat, frequency modulation motor drives cam link mechanism and moves back and forth, in the reciprocating motion process, the valve rod Direct Action Type pumps, and valve block 19 moves back and forth in the symmetry distance arbitrarily up and down take center line as benchmark in valve seat 20 passages, passage is a circular channel, cyclically-varying appears in valve block 19 valve seat 20 actual internal areas in the cycle movement process, valve seat 20 channel flow resistance generating period variations come the flow of regulating valve seat 20 outputs with this.
Described mid-stent is fixedly installed stroke scale 26, is used to indicate the displacement of valve rod, is convenient to observe the periodic upper and lower displacement amount of valve block 19 so that the eccentric throw of adjustment cam 23.
Described support is fixed in valve gap 17 both sides by the second lock nut 12 and pad 11.
Described valve rod and valve gap annular space bottom are installed on axle bush 15, can guide valve rod to move up and down, described axle bush top also is provided with the first lock nut 10, be used for compressing positioning pipe, described the first lock nut 10 tops also are provided with for the positioning pipe 29 that supports valve rod 18, fixing by clamping screw 28 on it, valve rod 18 is remained in the valve gap 17, described valve gap 17 tops also are arranged with the sealing shroud 27 that seals, be provided with packing ring 16 between described valve gap 17 and the valve seat 20, play a part fluid-encapsulated, the sectional area equal and opposite in direction of each pipeline of the present invention.
When initial, when stroke scale 26 scales were in 0 scale, valve block 19 bottoms just in time were positioned at the valve base channel middle part, block the fluid passage half, and cam 23 eccentric shafts are positioned at horizontal level.According to required Pulsating Flow frequency, regulate frequency modulation motor 21 rotating speeds, when frequency modulation motor 21 work, band moving valve plate 19 is take channel center as benchmark, move up and down identical distance, in order to the actual internal area of symmetry adjusting valve block 19 shutoff, thus the pulsation amplitude of regulating the pulsating flow generator output flow.The movement of this symmetry also is reflected on the stroke scale 26, initially is designated as 0 scale, by changing the eccentric throw of cam 23, can so that pointer in (1/4,1/4), (1/2,1/2), (1, the back and forth change in the arbitrary scale scope such as 1), scale value is pulse amplitude.
The auxiliary adjustment of the present invention by frequency modulation pump 3, spigot-and-socket pulsating flow generator 7 and bypass can obtain accurately by the periodically variable Pulsating Flow of sinusoidal rule, intuitive and convenient, and it is accurately convenient to regulate.
Claims (9)
1. spigot-and-socket Pulsating Flow generating means is characterized in that including the main road that water tank (1), frequency modulation pump (3), the first stop valve (4), threeway (5) and spigot-and-socket pulsating flow generator (7) form,
Wherein said frequency modulation pump (3) one ends are connected with water tank (1), be used for pumping fluid, the other end connects the first stop valve (4), be used for regulating and pump uninterrupted, two interfaces by threeway (5) between described the first stop valve and the spigot-and-socket pulsating flow generator link to each other, another interface links a bypass, be provided with the second stop valve (6) in the bypass, bypass is led back to excess fluid and is flow to water tank, and the frequency modulation pump is used for pumping the fluid working substance (2) of water tank, the second stop valve regulation output uninterrupted, when the spigot-and-socket pulsating flow generator is worked, fluid in the main road produces pulsation, and the bypass auxiliary adjustment makes and produces desired Pulsating Flow in the main road, when spigot-and-socket Pulsating Flow output flow reduces, the flow of bypass increases, when output flow increased, bypass flow reduced
Described spigot-and-socket pulsating flow generator includes frequency modulation motor (21), cam link mechanism, support (25), valve gap (17), valve rod (18), valve block (19) and valve seat (20),
Wherein frequency modulation motor is positioned at the top of support and by stent support, be used for outputting power, the rotating shaft of frequency modulation motor is connected with the cam of cam link mechanism (23), valve rod (18) is sleeved on the valve gap middle part, its top is connected by hinge with the connecting rod (24) of cam link mechanism, described valve gap (17) connects on the valve seat (20) that is arranged on the bottom by bolt (13) and nut (14), described valve block (19) is connected as a single entity up and down with valve rod (18), and valve block is positioned at the passage of valve seat, frequency modulation motor drives cam link mechanism and moves back and forth, in the reciprocating motion process, valve rod is done and is pumped, cyclically-varying appears in valve block (19) valve seat (20) actual internal area in the cycle movement process, the variation of valve seat (20) channel flow resistance generating period comes the flow of regulating valve seat (20) output with this; Be installed on speed adjusting module (22) on the described frequency modulation motor, link to each other with the circuit of frequency modulation motor, be used for changing the frequency modulation motor rotating speed; Be fixedly installed stroke scale (26) on the described support, be used to indicate the displacement of valve rod, be convenient to observe the periodic upper and lower displacement amount of valve block (19) so that the eccentric throw of adjustment cam (23).
2. by spigot-and-socket Pulsating Flow generating means claimed in claim 1, connecting rod (24) center that it is characterized in that described cam link mechanism is one hollow rectangular, is convenient to connecting rod and cooperates arbitrarily with cam.
3. by spigot-and-socket Pulsating Flow generating means claimed in claim 1, it is characterized in that described support is fixed in valve gap (17) both sides by the second lock nut (12) and pad (11).
4. by spigot-and-socket Pulsating Flow generating means claimed in claim 1, it is characterized in that described valve rod and valve gap annular space bottom is installed on axle bush (15), can guide valve rod to move up and down, described axle bush top also is provided with the first lock nut (10), be used for compressing positioning pipe, described the first lock nut (10) top also is provided with for the positioning pipe (29) that supports valve rod (18), the first lock nut upper end is fixing by clamping screw (28), and valve rod (18) is remained in the valve gap (17).
5. by spigot-and-socket Pulsating Flow generating means claimed in claim 4, it is characterized in that described valve gap (17) top also is arranged with the sealing shroud (27) that seals.
6. by spigot-and-socket Pulsating Flow generating means claimed in claim 1, the passage that it is characterized in that described valve seat is a circular channel.
7. by spigot-and-socket Pulsating Flow generating means claimed in claim 4, it is characterized in that being provided with packing ring (16) between described valve gap (17) and the valve seat (20), play a part fluid-encapsulated.
8. by spigot-and-socket Pulsating Flow generating means claimed in claim 1, the valve seat that it is characterized in that described spigot-and-socket pulsating flow generator also is connected with check-valves (8), prevents liquid backflow, and described check-valves also is connected with high frequency flowmeter (9), be used for observing flow, be convenient to regulate.
9. by spigot-and-socket Pulsating Flow generating means claimed in claim 1, it is characterized in that the sectional area equal and opposite in direction of described each pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210145159 CN102735094B (en) | 2012-05-11 | 2012-05-11 | Socket-joint type pulsating flow generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210145159 CN102735094B (en) | 2012-05-11 | 2012-05-11 | Socket-joint type pulsating flow generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102735094A CN102735094A (en) | 2012-10-17 |
| CN102735094B true CN102735094B (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210145159 Expired - Fee Related CN102735094B (en) | 2012-05-11 | 2012-05-11 | Socket-joint type pulsating flow generator |
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| CN (1) | CN102735094B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104141803A (en) * | 2013-05-08 | 2014-11-12 | 上海沪东造船阀门有限公司 | Ultralow-temperature stop valve suitable for liquified natural gas carrier |
| CN105370670A (en) * | 2015-12-11 | 2016-03-02 | 哈尔滨商业大学 | Water hammer transient generator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08271185A (en) * | 1995-03-29 | 1996-10-18 | Mitsubishi Heavy Ind Ltd | Heat transport equipment |
| CN101372994B (en) * | 2008-09-22 | 2010-12-29 | 河南科技大学 | Cam rotor type pulse digital flow generating apparatus |
| CN101476581A (en) * | 2009-01-21 | 2009-07-08 | 武汉工程大学 | Pulsating flow generator |
| CN201429364Y (en) * | 2009-01-21 | 2010-03-24 | 武汉工程大学 | Pulsating flow heat transfer enhancing heat exchanger |
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2012
- 2012-05-11 CN CN 201210145159 patent/CN102735094B/en not_active Expired - Fee Related
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| CN102735094A (en) | 2012-10-17 |
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