CN105371946A - Water jet source apparatus with constant pressure - Google Patents
Water jet source apparatus with constant pressure Download PDFInfo
- Publication number
- CN105371946A CN105371946A CN201510882471.4A CN201510882471A CN105371946A CN 105371946 A CN105371946 A CN 105371946A CN 201510882471 A CN201510882471 A CN 201510882471A CN 105371946 A CN105371946 A CN 105371946A
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- Prior art keywords
- water
- diversion trench
- overflow
- reserve tank
- constant pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
Abstract
The invention discloses a water jet source apparatus with constant pressure. The apparatus comprises a water pump guide pipe, a guiding gutter, a guiding pipe, an overflow pipe, a current stabilizing grid, a water storage tank and an overflow groove, and is characterized in that one end of the water pump guide pipe is connected with a submersible pump, the other end of the water pump guide pipe is connected with the guiding gutter, the guiding gutter is connected with the guiding pipe and the overflow pipe, one end of the guiding pipe is connected with the guiding gutter, the other end of the guiding pipe is connected with the water storage tank, the outer side of the water storage tank is connected with the overflow groove, and water in the overflow groove flows to the submersible pump. According to water jet source apparatus with the constant pressure, by means of a water level difference between the water storage tank and a jet nozzle, jet pressure is generated due to the effect of gravity, additional vibration and noise are not caused, the pressure is constant, and the water jet source apparatus is suitable for a jet source in an underwater jet research process.
Description
Technical field
The present invention relates to a kind of water jet source apparatus of constant pressure, belong to acoustic measurement field.
Background technology
Submerged jet noise be because water at a high speed sharply blending hydrostatic time to interact the radiated noise produced, it is turbulence noise, the radianting capacity of jet noise is produced for evaluating different spray nozzles, require to realize in the process of jet, the maintain constant pressure of jet source, at present, conventional jet source mainly contains three kinds: a kind of is utilize head tank to carry out inflating, pressurizeing in the container of water storage, utilize pipeline that the water in container is connected to nozzle, thus form submerged jet; Two is utilize ram pump directly water to be delivered to nozzle through pipeline in conjunction with energy storage equipment, forms submerged jet; Three is utilize the water tank being placed on certain altitude place, and by pipeline, water is connected to the lower nozzle in position, utilizes the water-head between water tank and nozzle, the pressure formed by the Action of Gravity Field of water, realizes submerged jet; But in use also have the following disadvantages: one is utilize head tank in tank, carry out inflating, pressurizeing the submerged jet realized, because the coefficient of volume compressibility of air is much larger than water, after the water continuous spraying in tank is shot out, the process that tainer air volume increases compensation water minimizing is a homeostasis process, the pressure at nozzle place is changed, causes the speed of jet unstable; Two is submerged jets that ram pump realizes in conjunction with energy storage equipment, although the pressure fluctuation impact of the ram pump of use procedure can be eliminated, but ram pump is subject to the impact of voltage ripple of power network at work, the flow velocity at nozzle place is caused to change, and the larger flow resistance effect owing to causing compared with small nozzle, ram pump is often made to be unable to stand, fragile ram pump; Three is the submerged jets utilizing the water tank of eminence to realize, and when water level reduces gradually in water tank, makes the pressure at nozzle place also in reduction, causes the speed of jet unstable.
Summary of the invention
The object of the invention is to overcome the problems referred to above that current water jet source in use exists and providing a kind of water jet source apparatus of constant pressure.
The object of the present invention is achieved like this: comprise submersible pump, reserve tank, water pump conduit, diversion trench, overflow groove and mozzle, described water pump conduit is positioned at reserve tank, one end of water pump conduit is connected with submersible pump, the other end is connected with the bottom of diversion trench, the outside surface circumference of described reserve tank is evenly provided with overflow groove, the bottom of reserve tank is also provided with jet source interface, the circumference of the outside surface of diversion trench is evenly provided with two row's interfaces, upper row is flush connection, lower row is water conservancy diversion interface, the quantity of described mozzle is identical with the quantity of water conservancy diversion interface, one end of each mozzle is connected with water conservancy diversion interface, the other end communicates with reserve tank, the quantity of run-down pipe is identical with the quantity of flush connection, one end of each run-down pipe connects with corresponding overflow adapter, the other end communicates with corresponding overflow groove, the quantity of overflow groove is identical with the quantity of run-down pipe, described overflow groove is provided with overflow water interface, and this overflow water interface is connected by the water tank at pipeline and submersible pump place or pond, also flow steadying grid is provided with in described diversion trench, and flow steadying grid, water pump conduit, the axis of reserve tank and diversion trench point-blank.
The present invention also comprises some architectural features like this:
1. the junction of the junction of overflow groove described in and reserve tank, water pump conduit and diversion trench is provided with silicon rubber bar.
2. mozzle described in is tygon wired hose, nominal outside diameter 15mm, wall thickness 3mm; Run-down pipe is igelite stereoplasm tube, nominal outside diameter 20mm, wall thickness 2.5mm.
3. flow steadying grid described in is double-layer circular cylindricality lattice structure.
4. under the overflow Kongzui on diversion trench along and water conservancy diversion Kongzui on along between distance be 2mm.
Compared with prior art, the invention has the beneficial effects as follows: the water of submersible pump of the present invention forms free jet after water pump conduit, along with the axis place away from water pump conduit, the speed of jet will tend to be steady, utilize flow steadying grid, by further for the water of jet rectification, the water after rectification flows to reserve tank through water conservancy diversion interface and mozzle; The inner water-filling of mozzle, outside is air, it is absolute soft border waveguide acoustically, from the Acoustic Wave Propagation cut-off effect of waveguide, in the cutoff frequency of 0Hz to the first rank, do not have sound wave to propagate in mozzle, mozzle belongs to the pipeline of high damping, can be decayed the vibration of diversion trench, decreases the impact of noise and vibration on reserve tank of diversion trench; The periodically pulsing jet effect that the water jet source apparatus of this constant pressure causes when utilizing run-down pipe to be run by motor in submersible pump has carried out " absorption ", and the water that periodically pulsing jet produces is derived by run-down pipe; At water pump conduit and diversion trench, between reserve tank and overflow groove, there is multilayer silicon rubber bar, isolated the impact of vibration on diversion trench of water pump conduit well, and the vibration of overflow groove is on the impact of reserve tank; The water jet source apparatus of this constant pressure utilizes the water-head between water and nozzle be full of in reserve tank, forms jet pressure, realizes submerged jet, do not adopt dynamic structure by the effect of gravity, can not introduce extra noise and vibration interference to jet source; Water in jet experiment can be delivered to reserve tank through submersible pump by the water jet source apparatus of this constant pressure, forms the circulation system in a set of water jet source, is adapted at using in laboratory.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (after cutting open);
Fig. 2 of the present inventionly overlooks direction schematic diagram;
Fig. 3 is the structural representation of reserve tank of the present invention;
Fig. 4 is the structural representation of flow steadying grid of the present invention;
Fig. 5 is the structural representation of diversion trench of the present invention;
Fig. 6 is the structural representation of overflow groove of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Composition graphs 1 to Fig. 6, the present invention includes water pump conduit 1, silicon rubber bar 11, diversion trench 2, flush connection 21, water conservancy diversion interface 22, mozzle 3, run-down pipe 4, pipe 41, elbow 42, pipe 43, flow steadying grid 5, the igelite hard plate 51 of horizontal positioned, small pieces igelite hard plate 52, reserve tank 6, jet source interface 61, overflow groove 7, overflow water outlet 71, silicon rubber bar 72.
Specifically, the present invention includes water pump conduit 1, diversion trench 2, mozzle 3, run-down pipe 4, flow steadying grid 5, reserve tank 6, overflow groove 7, it is characterized in that: a termination submersible pump of water pump conduit 1, another termination diversion trench 2 of water pump conduit 1, diversion trench 2 there are flush connection 21 and water conservancy diversion interface 22, one termination water conservancy diversion interface 22 of mozzle 3, another termination reserve tank 6 of mozzle 3, one termination flush connection 21 of run-down pipe 4, another termination overflow groove 7 of run-down pipe 4, flow steadying grid 5 is placed in diversion trench 2, reserve tank 6 is positioned at below diversion trench 2, silicon rubber bar and glass cement is adopted to seal between water pump conduit 1 and diversion trench 2, silicon rubber bar 72 and glass cement is adopted to seal between overflow groove 7 and reserve tank 6, and be positioned at the outside of reserve tank 6,
The axial line of water pump conduit 1 overlaps with the axial line of diversion trench 2, and the axial line of water pump conduit 1 overlaps with the axial line of flow steadying grid 5, and the axial line of water pump conduit 1 overlaps with the axial line of reserve tank 6, and the axial line of water pump conduit 1 overlaps with the axial line of overflow groove 7;
Water pump conduit 1 is the tygon wired hose of a circle, diversion trench 2 is made up of sheet steel, bottom is slab construction, there is through hole centre, water pump conduit 1 can be passed, silicon rubber bar 11 and glass cement is adopted to seal between water pump conduit 1 and diversion trench 2, diversion trench 2 is frustum cone structure, the angle of round platform bus and bottom radius is 110 degree, spout hole and pod apertures is had at the sidepiece of diversion trench 2, spout hole is positioned at above pod apertures, spout hole circumferentially equidistantly arranges, pod apertures circumferentially equidistantly arranges, the center of circle of spout hole and pod apertures is all positioned at the generatrix direction of round platform, between the lower edge of spout hole and the upper edge of pod apertures, spacing is 2mm, the number of spout hole is 28, the number of pod apertures is also 28, welding flush connection 21 in spout hole place outside diversion trench 2, diversion trench 2 outboard diversion hole place welding water conservancy diversion interface 22, mozzle 3 is tygon wired hose, and one end of mozzle 3 is connected with water conservancy diversion interface 22, excellent sealing between mozzle 3 and water conservancy diversion interface 22, another termination reserve tank 6 of mozzle 3, run-down pipe 4 is igelite stereoplasm tube, be made up of pipe 41, elbow 42 and pipe 43, pipe 41 is vertical section, pipe 43 is horizontal segment, connected by elbow 42 between pipe 41 and pipe 43, one termination flush connection 21 of run-down pipe 4, excellent sealing between run-down pipe 4 and flush connection 21, another termination overflow groove 7 of run-down pipe 4, flow steadying grid 5 is made up of igelite hard plate, the igelite hard plate 51 of horizontal positioned is annular, totally five, be divided into four layers, small pieces igelite hard plate 52 is rectangle, totally 396, length is outside igelite hard plate 51 annulus of horizontal positioned, the difference of inside radius, between the igelite hard plate 51 of two horizontal positioned, supported by 99 small pieces vinyon hard plates 52, small pieces vinyon hard plate 52 is along in the igelite hard plate 51 of horizontal positioned, the circumference in outside equidistantly arranges, igelite hard plate 51 and the small pieces igelite hard plate 52 of horizontal positioned adopt hot melt adhesive to be fixed, form lattice structure, the quantity of every layer of grid is 100, reserve tank 6 is made up of sheet steel, is double cylinder shell structure, and without top cover, centre has through hole, water pump conduit 1 passes through from the centre of reserve tank 6, overflow groove 7 is made up of sheet steel, is double cylinder shell structure, and without top cover, sidepiece has overflow water outlet 71,
Water delivers to water pump conduit 1 by submersible pump, forms free jet, due to the effect of gravity, penetrates high limited; Jet reduces to both sides gradually by using the axle center of water pump conduit 1 as speed maximal value, is tending towards definite value, and the water of jet is after flow steadying grid 5 carries out rectification, and flow field is steady further, by the water conservancy diversion interface 22 on diversion trench 2 and mozzle 3, water is guided to reserve tank 6; Periodically pulsing jet because of motor for submerged pump rotation generation enters the flush connection 21 on diversion trench 2, is directed in overflow groove 7 by run-down pipe 4; After the water of reserve tank 6 fills, open the jet source interface 61 of bottom, mozzle 3 continues water filling in reserve tank 6, supplement the water flowed out by jet source interface 61, unnecessary water is by the outside from reserve tank 6, against outside wall surface to overflow, to overflow groove 7 after silicon rubber bar 72, the water at overflow groove 7 place connects water tank or the pond at pipeline flow-direction submersible pump place through overflow water outlet 71;
Jet source pressure through jet source interface 61 to jet nozzle place calculates like this: the difference (h) of the water level at the water level in reserve tank 6 and nozzle place is multiplied by the density of water (ρ) and acceleration of gravity (g), be multiplied by the sectional area (S) at nozzle place again, because the water volume in reserve tank 6 remains unchanged, water-head will remain unchanged, and therefore the pressure at jet nozzle place will remain unchanged.
A kind of water jet source apparatus of constant pressure, comprise water pump conduit, diversion trench, mozzle, run-down pipe, flow steadying grid, reserve tank, overflow groove, it is characterized in that: one end of described water pump conduit connects submersible pump of diving, the other end of water pump conduit connects diversion trench, described diversion trench connects mozzle and run-down pipe, one end of described mozzle connects diversion trench, the other end of mozzle connects reserve tank, one end of described run-down pipe connects diversion trench, the other end of run-down pipe connects overflow groove, described flow steadying grid is positioned at diversion trench, overflow groove is connected outside described reserve tank,
The described axial line of water pump conduit overlaps with the axial line of diversion trench, and the axial line of water pump conduit overlaps with the axial line of flow steadying grid, and the axial line of water pump conduit overlaps with the axial line of reserve tank, and the axial line of water pump conduit overlaps with the axial line of overflow groove;
Described water pump conduit is tygon wired hose, circular structure;
Described diversion trench is made up of steel plate, frustum cone structure, through hole is had in the middle of bottom, without top cover, the bus of round platform and the angle of bottom radius are 110 degree, and the side of diversion trench has spout hole and pod apertures, spout hole and pod apertures are along the upper and lower arrangement of generatrix direction of round platform, the center of circle of spout hole and pod apertures is positioned on the bus of round platform, and spout hole circumferentially equidistantly arranges, and pod apertures circumferentially equidistantly arranges; Outside diversion trench, spout hole place welding flush connection, at pod apertures place welding water conservancy diversion interface;
Described flow steadying grid is made up of igelite hard plate, double-layer circular column construction, two ends uncovered, the igelite hard plate horizontal positioned of five annulars, be divided into four layers, between the igelite hard plate of two panels horizontal positioned, the small pieces igelite hard plate vertically placed is utilized to support, small pieces igelite hard plate is rectangle, length is outside the igelite hard plate annulus of horizontal positioned, the difference of inside radius, the small pieces igelite hard plate of vertical placement is along in the igelite hard plate of horizontal positioned, circumferentially equidistantly arranging of outside, thermosol is adopted to be undertaken bonding by the small pieces igelite hard plate of the igelite hard plate of horizontal positioned and vertically placement, form lattice structure,
Described reserve tank is double cylinder shell structure, without top cover;
Described overflow groove is double cylinder shell structure, and without top cover, there is overflow water interface in outside;
Diversion trench is connected outside described water pump conduit, sealed by silicon rubber bar and glass cement between water pump conduit and diversion trench, flow steadying grid is placed in diversion trench, reserve tank is placed on below diversion trench, water pump conduit passes from the centre of reserve tank, overflow groove is positioned at the top outside reserve tank, sealed by silicon rubber bar and glass cement between reserve tank and overflow groove, the upper edge of reserve tank with on overflow groove along concordant, water conservancy diversion interface outside one termination diversion trench of mozzle, another termination reserve tank of mozzle, the flush connection of one termination diversion trench of run-down pipe, another termination overflow groove of run-down pipe.
The invention discloses a kind of water jet source apparatus of constant pressure, comprise water pump conduit, diversion trench, mozzle, run-down pipe, flow steadying grid, reserve tank, overflow groove, it is characterized in that: described water pump tube at one end connects submersible pump, the other end of water pump conduit connects diversion trench, described diversion trench connects mozzle and run-down pipe, and described mozzle one end connects diversion trench, and the other end of mozzle connects reserve tank, the outer side joint overflow groove of described reserve tank, the water in described overflow groove flow to submersible pump place; The water jet source apparatus of this constant pressure, by the water-head between reserve tank and jet nozzle, produces jet pressure by the effect of gravity, does not bring extra vibration and noise, constant pressure, be suitable as the jet source in submerged jet research process.
The present invention includes water pump conduit, diversion trench, mozzle, run-down pipe, flow steadying grid, reserve tank, overflow groove, one end of described water pump conduit connects submersible pump, and the other end of water pump conduit connects diversion trench; Described diversion trench connects mozzle and run-down pipe; One end of described mozzle connects diversion trench, and the other end of mozzle connects reserve tank; One end of described run-down pipe connects diversion trench, and the other end of run-down pipe connects overflow groove; Connect overflow groove outside described reserve tank, the current in overflow groove are through submersible pump place;
Water pump conduit is circular, and diversion trench is the frustum cone structure of bottom through-hole, top uncovered, and flow steadying grid is double-layer circular cylindricality lattice structure, and reserve tank is half-headed double cylinder shell structure, and overflow groove is half-headed double cylinder shell structure;
Mozzle is tygon wired hose, nominal outside diameter 15mm, wall thickness 3mm;
Run-down pipe is igelite stereoplasm tube, nominal outside diameter 20mm, wall thickness 2.5mm;
Under overflow Kongzui in diversion trench along and water conservancy diversion Kongzui on along between distance be 2mm;
The water conservancy diversion interface of diversion trench must be water submerged state, and reserve tank must for being full of water and there is the state of overflow in outside.
Claims (9)
1. the water jet source apparatus of a constant pressure, it is characterized in that: comprise submersible pump, reserve tank, water pump conduit, diversion trench, overflow groove and mozzle, described water pump conduit is positioned at reserve tank, one end of water pump conduit is connected with submersible pump, the other end is connected with the bottom of diversion trench, the outside surface circumference of described reserve tank is evenly provided with overflow groove, the bottom of reserve tank is also provided with jet source interface, the circumference of the outside surface of diversion trench is evenly provided with two row's interfaces, upper row is flush connection, lower row is water conservancy diversion interface, the quantity of described mozzle is identical with the quantity of water conservancy diversion interface, one end of each mozzle is connected with water conservancy diversion interface, the other end communicates with reserve tank, the quantity of run-down pipe is identical with the quantity of flush connection, one end of each run-down pipe connects with corresponding overflow adapter, the other end communicates with corresponding overflow groove, the quantity of overflow groove is identical with the quantity of run-down pipe, described overflow groove is provided with overflow water interface, and this overflow water interface is connected by the water tank at pipeline and submersible pump place or pond, also flow steadying grid is provided with in described diversion trench, and flow steadying grid, water pump conduit, the axis of reserve tank and diversion trench point-blank.
2. the water jet source apparatus of a kind of constant pressure according to claim 1, is characterized in that: the junction of the junction of described overflow groove and reserve tank, water pump conduit and diversion trench is provided with silicon rubber bar.
3. the water jet source apparatus of a kind of constant pressure according to claim 1 and 2, is characterized in that: described mozzle is tygon wired hose, nominal outside diameter 15mm, wall thickness 3mm; Run-down pipe is igelite stereoplasm tube, nominal outside diameter 20mm, wall thickness 2.5mm.
4. the water jet source apparatus of a kind of constant pressure according to claim 1 and 2, is characterized in that: described flow steadying grid is double-layer circular cylindricality lattice structure.
5. the water jet source apparatus of a kind of constant pressure according to claim 3, is characterized in that: described flow steadying grid is double-layer circular cylindricality lattice structure.
6. the water jet source apparatus of a kind of constant pressure according to claim 1 and 2, is characterized in that: under the overflow Kongzui on diversion trench along and water conservancy diversion Kongzui on along between distance be 2mm.
7. the water jet source apparatus of a kind of constant pressure according to claim 3, is characterized in that: under the overflow Kongzui on diversion trench along and water conservancy diversion Kongzui on along between distance be 2mm.
8. the water jet source apparatus of a kind of constant pressure according to claim 4, is characterized in that: under the overflow Kongzui on diversion trench along and water conservancy diversion Kongzui on along between distance be 2mm.
9. the water jet source apparatus of a kind of constant pressure according to claim 5, is characterized in that: under the overflow Kongzui on diversion trench along and water conservancy diversion Kongzui on along between distance be 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882471.4A CN105371946B (en) | 2015-12-03 | 2015-12-03 | A kind of constant water jet source device of pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882471.4A CN105371946B (en) | 2015-12-03 | 2015-12-03 | A kind of constant water jet source device of pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105371946A true CN105371946A (en) | 2016-03-02 |
| CN105371946B CN105371946B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510882471.4A Active CN105371946B (en) | 2015-12-03 | 2015-12-03 | A kind of constant water jet source device of pressure |
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| CN (1) | CN105371946B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547797A (en) * | 2018-03-21 | 2018-09-18 | 哈尔滨工程大学 | A kind of device inhibiting centrifugal pump jet source pressure fluctuation |
| CN109959444A (en) * | 2017-12-26 | 2019-07-02 | 中国人民解放军海军工程大学 | Transmitting tube outlet transient state water-jet flow noise totally disappeared sound pond test macro and method |
| CN113040403A (en) * | 2021-03-02 | 2021-06-29 | 烟台瑞华食品有限公司 | Mung bean cleaning equipment and mung bean paste stuffing production process thereof |
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| CN104121239A (en) * | 2014-08-07 | 2014-10-29 | 苏州淮通电气有限公司 | Jet pump |
| CN104154049A (en) * | 2014-08-07 | 2014-11-19 | 苏州淮通电气有限公司 | Jet pump |
| CN104895852A (en) * | 2015-05-05 | 2015-09-09 | 江苏大学 | Spiral-flow type jet pump |
| CN205209632U (en) * | 2015-12-03 | 2016-05-04 | 哈尔滨工程大学 | Invariable water jet source device of pressure |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104121239A (en) * | 2014-08-07 | 2014-10-29 | 苏州淮通电气有限公司 | Jet pump |
| CN104154049A (en) * | 2014-08-07 | 2014-11-19 | 苏州淮通电气有限公司 | Jet pump |
| CN104895852A (en) * | 2015-05-05 | 2015-09-09 | 江苏大学 | Spiral-flow type jet pump |
| CN205209632U (en) * | 2015-12-03 | 2016-05-04 | 哈尔滨工程大学 | Invariable water jet source device of pressure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959444A (en) * | 2017-12-26 | 2019-07-02 | 中国人民解放军海军工程大学 | Transmitting tube outlet transient state water-jet flow noise totally disappeared sound pond test macro and method |
| CN109959444B (en) * | 2017-12-26 | 2021-05-14 | 中国人民解放军海军工程大学 | System and method for testing transient water jet noise full-muffling water tank at outlet of emission pipe |
| CN108547797A (en) * | 2018-03-21 | 2018-09-18 | 哈尔滨工程大学 | A kind of device inhibiting centrifugal pump jet source pressure fluctuation |
| CN113040403A (en) * | 2021-03-02 | 2021-06-29 | 烟台瑞华食品有限公司 | Mung bean cleaning equipment and mung bean paste stuffing production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105371946B (en) | 2018-04-17 |
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