CN105381769A - Device for online cavitation effect adjustment - Google Patents
Device for online cavitation effect adjustment Download PDFInfo
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- CN105381769A CN105381769A CN201510893975.6A CN201510893975A CN105381769A CN 105381769 A CN105381769 A CN 105381769A CN 201510893975 A CN201510893975 A CN 201510893975A CN 105381769 A CN105381769 A CN 105381769A
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- cavitation
- central layer
- spool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J14/00—Chemical processes in general for reacting liquids with liquids; Apparatus specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00027—Process aspects
- B01J2219/0004—Processes in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
Abstract
The invention relates to a device for online cavitation effect adjustment, and belongs to the technical field of fluid reactions. Before the reactions, a fluid pipe is connected to the inlet of a pre-mixer through a delivery pump and a flowmeter in sequence. A chemical agent feeding pipe is arranged between the pre-mixer and the flowmeter. The chemical agent feeding pipe is connected to the outlet of a quantitative feeding device. The outlet of the pre-mixer is connected to a plurality of cavitation reactors, which are serially connected to each other. The valve channel of each cavitation reactor is provided with a rotary valve core plate and a fixed valve core plate, and the rotary valve core plate and the fixed valve core plate share an axis and are attached on each other. The inner circumference of the rotary valve core plate is provided with a rotary valve core scallop hole, and the outer circumference of the rotary valve core plate is provided with a plurality of sets of cavitation small holes. The circumference of the fixed valve core plate is provided with a fixed valve core scallop hole, the external side of the circumference of the fixed valve core plate is connected to a cutoff support lug, which stretches out and can shield a set of cavitation small holes, and the central lines of the cutoff support lug and the fixed valve core scallop hole are overlapped. The provided device can individually adjust the cavitation grade number and cavitation generation parameters in each grade.
Description
Technical field
The present invention relates to a kind of device of on-line control cavitation effect, belong to fluid reaction device technique field.
Background technology
Cavitation phenomenon is that fluid flows through a flow restriction zones (as orifice plate, Venturi tube etc.) time pressure drop, when Pressure Drop is to liquid saturated vapor pressure at such a temperature, liquid starts vaporization and produces a large amount of cavitation steam bubble, cavitation steam bubble is in the process flowed further with fluid, runner expands, fluid pressure rises, under the pressure effect around of cavitation steam bubble, volume sharply reduces until crumble and fall, high temperature and high pressure can be produced at its steam bubble center instantaneously of crumbling and fall, and with strong shock wave and microjet, strong shock wave and microjet can form strong mechanical agitation effect between interface, strengthening two-phase mixtures.The cavitation steam bubble formed due to cavitation does mass motion together with liquid, and can form a more uniform cavitation reinforcement field in a big way, this is the advantage place of its industrial applications.
Current cavitation technique strengthens the research of means mainly at wastewater treatment, food, field of medicaments as course of reaction; The cavitation value of general cavitation zone judges whether fluid there occurs Cavitation, and formula is as follows, δ c=2(P-P
v)/(ρ V2), wherein: δ c is cavitation value, P is liquid local static pressure, and Pv is the vapour pressure of liquid, and ρ is the density of liquid, and V is the speed of liquid.It has been generally acknowledged that δ c < 1 has cavitation that possibility occurs, cavitation value δ c less Cavitation Shaoxing opera is strong.The generation of cavitation phenomenon certainly will bring the massive losses of fluid pressure before and after cavitation, and device power consumption increases.The acid reaction that adds of food service industry vegetable oil often produces the one-level cavitation pressure loss and reaches 20 ~ 30bar.
Cavitation generating means core parts mostly are static orifice plate both at home and abroad at present, can not on-line control cavitation generation parameter, very high to the flow of process fluid, the initial conditional request such as static pressure and physical properties of fluids state like this, slightly change needs off-line to be adjusted AND DEWATERING FOR ORIFICE STRUCTURE and progression; In addition for the demand of the extent of cavitation of different material, cannot the progression of on-line tuning generation cavitation, cause unnecessary power consumption.
Summary of the invention
The object of the invention is to, overcome problems of the prior art, a kind of device of on-line control cavitation effect is provided, independently can regulate the cavitation generation parameter of each cavitation reactor of cavitation sum of series.
For solving above technical problem, the device of a kind of on-line control cavitation effect of the present invention, before reaction, fluid hose is connected with the entrance of premixed device with flowmeter by delivery pump successively, chemical agent adding tube is connected with between described premixed device and described flowmeter, described chemical agent adding tube is connected with the outlet of quantitative adding device, the outlet of described premixed device is connected with the cavitation reactor of multiple mutual series connection, described cavitation reactor comprises valve body and valve gap, the fluid passage of described valve body is provided with spool, described spool comprises rotary valve central layer and the standing valve central layer of coaxial line, the center, left side of described standing valve central layer is provided with the central shaft stretched out left, described rotary valve central layer is installed in rotation on described central shaft, and the right side of the left side of described standing valve central layer and described rotary valve central layer fits, the diameter of described standing valve central layer is less than the diameter of described rotary valve central layer, the inner periphery of described rotary valve central layer is provided with rotary spool scallop hole, and the excircle of described rotary valve central layer is provided with many group rotary spool cavitation apertures, and described rotary spool scallop hole is positioned in different phase places from described rotary spool cavitation aperture, described standing valve central layer be circumferentially provided with the fixed spool scallop hole that can coincide with described rotary spool scallop hole, the periphery of described standing valve central layer is connected with protruding and can blocks the journal stirrup that dams of one group of rotary spool cavitation aperture, described in the dam center line of journal stirrup and described fixed spool scallop hole coincide.
Relative to prior art, the present invention achieves following beneficial effect: the front fluid of reaction is transferred pump and carries through the entrance of flowmeter to premixed device, soda acid or other chemical agents are added in fluid before reaction by quantitative adding device and chemical agent adding tube, then premixed device premix is jointly entered, fluid after premix enters cavitation reactor at different levels successively and carries out Cavitation, realize strengthening reaction through multistage Cavitation, Reaction time shorten, reduce chemical agent consumption.In every grade of cavitation reactor, standing valve central layer keeps motionless, and rotary valve central layer can around central axis, and each group rotary spool cavitation aperture is all positioned at the periphery of standing valve central layer masked areas.
When rotary spool scallop hole and fixed spool scallop hole stagger completely and respectively organize rotary spool cavitation aperture all expose time, the percent opening of rotary spool cavitation aperture is maximum, and all fluids are all through rotary spool cavitation aperture generation Cavitation.
When rotary spool scallop hole continues rotation 180 °, the percent opening of rotary spool cavitation aperture is still maximum, but phase 180 °, the cavitation phase place of adjacent two cavitation reactor staggers 180 ° mutually, and the mixed increase of fluid is even.
When rotary spool scallop hole and fixed spool scallop hole stagger that journal stirrup blocks and outermost one group of rotary spool cavitation aperture is dammed completely, the percent opening of rotary spool cavitation aperture diminishes, fluid increases through the speed of cavitation aperture, and cavitation intensity increases, and the pressure drop before and after spool becomes large.
When rotary spool scallop hole and fixed spool scallop hole stagger that journal stirrup blocks and one of centre group of rotary spool cavitation aperture is dammed completely, percent opening and outermost one group of rotary spool cavitation aperture of rotary spool cavitation aperture is identical when being blocked, fluid increases through the speed of cavitation aperture, cavitation intensity increases, and the pressure drop before and after spool becomes large; Interval with cavitation aperture changes, and the spatial distribution region that fluid produces cavitation after cavitation aperture changes.
When rotary spool scallop hole overlaps completely with fixed spool scallop hole, rotary spool cavitation aperture is completely unimpeded simultaneously, the actual internal area of fluid is maximum, flow velocity reduces greatly, cavitation aperture no longer produces cavitation phenomenon, and the pressure drop before and after central layer obviously reduces, and power consumption also reduces, this grade of cavitation is stopped, to adapt to the extent of cavitation demand of different material.
As improvement of the present invention, the excircle of described rotary valve central layer is provided with rotary spool gear, and described rotary spool gear is meshed with roller gear, and described roller gear is arranged on transverse axis, and transverse axis bearings is passed through on described valve body in the two ends of described transverse axis; Described transverse axis is provided with transverse axis bevel gear, described transverse axis bevel gear is meshed with vertical pivot bevel gear, described vertical pivot bevel gear is arranged on vertical pivot, vertical pivot bearings is passed through on described valve gap in the middle part of described vertical pivot, the top of described vertical pivot bearing is provided with seal, the top of described seal is provided with the seal gland compressed by seal, and the upper end of described vertical pivot is stretched out outside the centre bore of described seal gland, and the upper end of vertical pivot is provided with handwheel.When rotating handwheel, vertical pivot and vertical pivot bevel gear rotate thereupon, and vertical pivot bevel gear drives transverse axis to rotate by transverse axis bevel gear, and roller gear drives rotary spool pinion rotation while rotating with transverse axis, rotary valve central layer produces relative to standing valve central layer thereupon and rotates, thus changes cavitation condition.
As a further improvement on the present invention, the center, right side of described standing valve central layer is plugged with stop pin, the two ends of described stop pin are square and middle part is cylinder, the middle part of described stop pin is set with spring, the right-hand member of described stop pin is plugged on the center of compression plate, and the periphery of described compression plate is screwed in the inwall of described valve body.Along with the precession left of compression plate, fixed spool slab integral is driven to be moved to the left by stop pin, until standing valve central layer is resisted against on rotary valve central layer, the tension force of spring makes standing valve central layer and rotary valve central layer keep being close to, and prevents end face between the two from leaking.
As improvement of the present invention, the left side of described compression plate is provided with the flange collar of stretching out left, and described flange collar is resisted against on the right side of described rotary valve central layer, and the left side of described rotary valve central layer is resisted against on the step of described valve body.The flange collar of compression plate left side and the step of valve body carry out axial location to rotary valve central layer jointly.
As improvement of the present invention, described rotary spool cavitation aperture is provided with three groups, and often organize the distribution in regular hexagon respectively of rotary spool cavitation aperture, described orthohexagonal each bight and center are respectively equipped with a rotary spool cavitation aperture.When fluid all passes through from three groups of rotary spool cavitation apertures, the percent opening of rotary spool cavitation aperture is maximum; When one group of rotary spool cavitation aperture on left side, middle part or right side is blocked, the percent opening of rotary spool cavitation aperture declines, and fluid increases through the speed of cavitation aperture, and cavitation intensity increases, and the pressure drop before and after spool becomes greatly; The phase place that cavitation occurs also changes.
As improvement of the present invention, described rotary spool cavitation aperture can be respectively circular hole or diamond hole.
As improvement of the present invention, the phase 180 ° between the rotary spool cavitation aperture group of adjacent described cavitation reactor.The phase place of adjacent two-stage cavitation reactor generation cavitation is completely contrary, and mixing of fluid is more thorough.
As improvement of the present invention, the inner chamber of described premixed device comprises converging transition, aditus laryngis and divergent segment successively along fluid direction of advance, the inner chamber of described converging transition and divergent segment is respectively equipped with the suitable premix taper spiral shell head of shape with it, described premix taper spiral shell head is respectively equipped with many helical blades, the large end of each described premix taper spiral shell head is respectively equipped with premixed device cavitation disk, described premixed device cavitation disk be circumferentially evenly provided with multiple premixed device cavitation aperture, the centerline parallel of each described premixed device cavitation aperture is in the axis of described premixed device.The premixed device cavitation aperture of fluid first on the right side of premixed device carries out cavitation, then the helical flow path of converging transition premix taper spiral shell head is entered, flow velocity is accelerated gradually, at aditus laryngis, place reaches peak flow rate (PFR), then enter the helical flow path of divergent segment premix taper spiral shell head, flow velocity declines, and pressure raises, flow out after again carrying out cavitation finally by the premixed device cavitation aperture in left side, the fluid through premixed device has realized effective preliminary mixed.
As a further improvement on the present invention, described in left and right two, the rotation direction of the helical blade of premix taper spiral shell head is contrary.Being mixed evenly advantageously in fluid.
As a further improvement on the present invention, the entrance of every grade of cavitation reactor is separately installed with Pressure gauge; The outlet of every grade of cavitation reactor is separately installed with observes visor and probe tube.The pressure change before and after every grade of cavitation reactor can be observed by Pressure gauge, fluid can be observed intuitively by observation visor and mix the state reached, can direct sample be analyzed by probe tube.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, and accompanying drawing only provides reference and explanation use, is not used to limit the present invention.
Fig. 1 is the structural representation of the device of on-line control cavitation effect of the present invention.
Fig. 2 is the stereogram of premix taper spiral shell head in premixed device.
Fig. 3 is the front view of Fig. 1 cavitation reactor.
Fig. 4 is the stereogram of Fig. 1 cavitation reactor.
Fig. 5 is the structural representation of rotary valve central layer.
Fig. 6 is the structural representation of standing valve central layer.
Fig. 7 is the mutual alignment figure of rotary valve central layer and standing valve central layer initial position.
Fig. 8 is the location drawing that rotary valve central layer rotates after 180 °.
Fig. 9 is that rotary valve central layer is rotated counterclockwise the location drawing after 30 ° on Fig. 8 basis.
Figure 10 is that rotary valve central layer is rotated counterclockwise the location drawing after 30 ° on Fig. 9 basis.
Figure 11 is that rotary valve central layer is rotated counterclockwise the location drawing after 30 ° on Figure 10 basis.
Figure 12 is that rotary valve central layer is rotated counterclockwise the location drawing after 45 ° on Figure 11 basis.
Figure 13 is the structural representation of another embodiment of rotary valve central layer.
In figure: 1. valve body; 2. rotary valve central layer; 2a. rotary spool gear; 2b. rotary spool scallop hole; 2c. rotary spool cavitation aperture; 3. standing valve central layer; 3a. dams journal stirrup; 3b. fixed spool scallop hole; 4. stop pin; 5. spring; 6. compression plate; 7. roller gear; 8. transverse axis; 9. transverse axis bevel gear; 10. transverse axis bearing; 11. vertical pivot bevel gears; 12. vertical pivots; 13. vertical pivot bearings; 14. valve gaps; 15. seals; 16. seal gland; 17. handwheels; 18. premixed devices; 18a. premix taper spiral shell head; 18b. premixed device cavitation disk; 18c. premixed device cavitation aperture; G1. fluid hose before reaction; B1. delivery pump; H1. flowmeter; G2. chemical agent adding tube; T1. quantitative adding device; P1. Pressure gauge; M1. visor is observed; G3. probe tube.
Detailed description of the invention
As shown in Figures 1 to 6, the device of on-line control cavitation effect of the present invention, before reaction, fluid hose G1 is connected with the entrance of premixed device 18 with flowmeter H1 by delivery pump B1 successively, chemical agent adding tube G2 is connected with between premixed device 18 and flowmeter H1, chemical agent adding tube G2 is connected with the outlet of quantitative adding device T1, and the outlet of premixed device 18 is connected with the cavitation reactor of multiple mutual series connection.
The inner chamber of premixed device 18 comprises converging transition, aditus laryngis and divergent segment successively along fluid direction of advance, the inner chamber of converging transition and divergent segment is respectively equipped with the suitable premix taper spiral shell head 18a of shape with it, premix taper spiral shell head 18a is respectively equipped with many helical blades, the large end of each premix taper spiral shell head 18a is respectively equipped with premixed device cavitation disk 18b, premixed device cavitation disk 18b is circumferentially evenly provided with multiple premixed device cavitation aperture 18c, and the centerline parallel of each premixed device cavitation aperture 18c is in the axis of premixed device.The premixed device cavitation aperture of fluid first on the right side of premixed device carries out cavitation, then the helical flow path of converging transition premix taper spiral shell head is entered, flow velocity is accelerated gradually, at aditus laryngis, place reaches peak flow rate (PFR), then enter the helical flow path of divergent segment premix taper spiral shell head, flow velocity declines, and pressure raises, flow out after again carrying out cavitation finally by the premixed device cavitation aperture in left side, the fluid through premixed device has realized effective preliminary mixed.The rotation direction of the helical blade of left and right two premix taper spiral shell heads is contrary.Being mixed evenly advantageously in fluid.
The entrance of every grade of cavitation reactor is separately installed with Pressure gauge P1; The outlet of every grade of cavitation reactor is separately installed with observes visor M1 and probe tube G3.The pressure change before and after every grade of cavitation reactor can be observed by Pressure gauge P1, fluid can be observed intuitively by observation visor M1 and mix the state reached, can direct sample be analyzed by probe tube G3.
Cavitation reactor comprises valve body 1 and valve gap 14, the fluid passage of valve body 1 is provided with spool, spool comprises rotary valve central layer 2 and the standing valve central layer 3 of coaxial line, the center, left side of standing valve central layer 3 is provided with the central shaft stretched out left, rotary valve central layer 2 is installed in rotation on central shaft, and the right side of the left side of standing valve central layer 3 and rotary valve central layer 2 fits, the diameter of standing valve central layer 3 is less than the diameter of rotary valve central layer 2; The inner periphery of rotary valve central layer 2 is provided with rotary spool scallop hole 2b, and the excircle of rotary valve central layer 2 is provided with many group rotary spool cavitation aperture 2c, and rotary spool scallop hole 2b is positioned in different phase places from rotary spool cavitation aperture 2c; Standing valve central layer 3 be circumferentially provided with the fixed spool scallop hole 3b that can coincide with rotary spool scallop hole 2b, the periphery of standing valve central layer 3 is connected with protruding and can blocks the journal stirrup 3a that dams of one group of rotary spool cavitation aperture 2c, and the center line of dam journal stirrup 3a and fixed spool scallop hole 3b coincides.
The excircle of rotary valve central layer 2 is provided with rotary spool gear 2a, and rotary spool gear 2a is meshed with roller gear 7, and roller gear 7 is arranged on transverse axis 8, and the two ends of transverse axis 8 are supported on valve body 1 by transverse axis bearing 10; Transverse axis 8 is provided with transverse axis bevel gear 9, transverse axis bevel gear 9 is meshed with vertical pivot bevel gear 11, vertical pivot bevel gear 11 is arranged on vertical pivot 12, the middle part of vertical pivot 12 is supported on valve gap 14 by vertical pivot bearing 13, the top of vertical pivot bearing 13 is provided with seal 15, the top of seal 15 is provided with the seal gland compressed by seal 15, and the upper end of vertical pivot 12 is stretched out outside the centre bore of seal gland, and the upper end of vertical pivot 12 is provided with handwheel 17.When rotating handwheel 17, vertical pivot 12 and vertical pivot bevel gear 11 rotate thereupon, vertical pivot bevel gear 11 drives transverse axis 8 to rotate by transverse axis bevel gear 9, roller gear 7 drives rotary spool gear 2a to rotate while rotating with transverse axis 8, rotary valve central layer 2 produces relative to standing valve central layer 3 thereupon and rotates, thus changes cavitation condition.
The center, right side of standing valve central layer 3 is plugged with stop pin 4, the two ends of stop pin 4 are square and middle part is cylinder, the middle part of stop pin 4 is set with spring 5, and the right-hand member of stop pin 4 is plugged on the center of compression plate 6, and the periphery of compression plate 6 is screwed in the inwall of valve body 1.Along with the precession left of compression plate 6, standing valve central layer 3 entirety is driven to be moved to the left by stop pin 4, until standing valve central layer 3 is resisted against on rotary valve central layer 2, the tension force of spring 5 makes standing valve central layer 3 and rotary valve central layer 2 keep being close to, and prevents end face between the two from leaking.
The left side of compression plate 6 is provided with the flange collar of stretching out left, and flange collar is resisted against on the right side of rotary valve central layer 2, and the left side of rotary valve central layer 2 is resisted against on the step of valve body 1.The flange collar of compression plate 6 left side and the step of valve body 1 carry out axial location to rotary valve central layer 2 jointly.
Rotary spool cavitation aperture 2c is provided with three groups, and often organize the distribution in regular hexagon respectively of rotary spool cavitation aperture, orthohexagonal each bight and center are respectively equipped with a rotary spool cavitation aperture.When fluid all passes through from three groups of rotary spool cavitation apertures, the percent opening of rotary spool cavitation aperture is maximum; When one group of rotary spool cavitation aperture on left side, middle part or right side is blocked, the percent opening of rotary spool cavitation aperture declines, and fluid increases through the speed of cavitation aperture, and cavitation intensity increases, and the pressure drop before and after spool becomes greatly; The phase place that cavitation occurs also changes.
Phase 180 ° between the rotary spool cavitation aperture group of adjacent cavitation reactor.The phase place of adjacent two-stage cavitation reactor generation cavitation is completely contrary, and mixing of fluid is more thorough.
Rotary spool cavitation aperture can be respectively circular hole or diamond hole, and Fig. 7, to Figure 12 shows that circular hole, Figure 13 shows that diamond hole.
The front fluid of reaction is transferred pump B1 and carries to the entrance of premixed device through flowmeter H1, soda acid or other chemical agents are added in fluid before reaction by quantitative adding device T1 and chemical agent adding tube G2, then premixed device premix is jointly entered, fluid after premix enters cavitation reactor at different levels successively and carries out Cavitation, strengthening reaction is realized through multistage Cavitation, Reaction time shorten, reduces chemical agent consumption.In every grade of cavitation reactor, standing valve central layer 3 keeps motionless, and rotary valve central layer 2 can around central axis, and each group rotary spool cavitation aperture is all positioned at the periphery of standing valve central layer 3 masked areas.
As shown in Figure 7, in Fig. 7, rotary valve central layer 2 is solid line, and standing valve central layer 3 is dotted line.When rotary spool scallop hole 2b and fixed spool scallop hole 3b stagger completely and respectively organize rotary spool cavitation aperture all expose time, the percent opening of rotary spool cavitation aperture is maximum, and all fluids are all through rotary spool cavitation aperture generation Cavitation.
As shown in Figure 8, when rotary spool scallop hole 2b continues rotation 180 °, the percent opening of rotary spool cavitation aperture is still maximum, but phase 180 °, the cavitation phase place of adjacent two cavitation reactor staggers 180 ° mutually, and the mixed increase of fluid is even.
As shown in Figure 9, when rotary valve central layer 2 have rotated 30 ° counterclockwise on Fig. 8 basis, rotary spool scallop hole 2b and the fixed spool scallop hole 3b journal stirrup 3a and one of left side group of rotary spool cavitation aperture is dammed that staggers completely blocks, the percent opening of rotary spool cavitation aperture diminishes, fluid increases through the speed of cavitation aperture, cavitation intensity increases, and the pressure drop before and after spool becomes large.
As shown in Figure 10, when rotary valve central layer 2 have rotated 30 ° counterclockwise on Fig. 9 basis, rotary spool scallop hole 2b and the fixed spool scallop hole 3b journal stirrup 3a and one of centre group of rotary spool cavitation aperture is dammed that staggers completely blocks, percent opening and outermost one group of rotary spool cavitation aperture of rotary spool cavitation aperture is identical when being blocked, fluid increases through the speed of cavitation aperture, cavitation intensity increases, and the pressure drop before and after spool becomes large; Interval with cavitation aperture changes, and the spatial distribution region that fluid produces cavitation after cavitation aperture changes.
As shown in figure 11, when rotary valve central layer 2 have rotated 30 ° counterclockwise on Figure 10 basis, rotary spool scallop hole 2b and the fixed spool scallop hole 3b journal stirrup 3a and one of right side group of rotary spool cavitation aperture is dammed that staggers completely blocks, percent opening and outermost one group of rotary spool cavitation aperture of rotary spool cavitation aperture is identical when being blocked, fluid increases through the speed of cavitation aperture, cavitation intensity increases, and the pressure drop before and after spool becomes large; Interval with cavitation aperture changes, and the spatial distribution region that fluid produces cavitation after cavitation aperture changes.
As shown in figure 12, when rotary valve central layer 2 have rotated 45 ° counterclockwise on Figure 11 basis, when rotary spool scallop hole 2b overlaps completely with fixed spool scallop hole 3b, rotary spool cavitation aperture is completely unimpeded simultaneously, and the actual internal area of fluid is maximum, flow velocity reduces greatly, cavitation aperture no longer produces cavitation phenomenon, and the pressure drop before and after central layer obviously reduces, and power consumption also reduces, this grade of cavitation is stopped, to adapt to the extent of cavitation demand of different material.
As shown in figure 13, the driving rotary spool gear 2a on rotary valve central layer 2 can be rhombus.
The foregoing is only the better possible embodiments of the present invention, non-ly therefore limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other embodiments, and such as up and down, left and right directions can exchange.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.The present invention can pass through without the technical characteristic described or adopt existing techniques in realizing, does not repeat them here.
Claims (10)
1. the device of an on-line control cavitation effect, before reaction, fluid hose is connected with the entrance of premixed device with flowmeter by delivery pump successively, chemical agent adding tube is connected with between described premixed device and described flowmeter, described chemical agent adding tube is connected with the outlet of quantitative adding device, the outlet of described premixed device is connected with the cavitation reactor of multiple mutual series connection, it is characterized in that: described cavitation reactor comprises valve body and valve gap, the fluid passage of described valve body is provided with spool, described spool comprises rotary valve central layer and the standing valve central layer of coaxial line, the center, left side of described standing valve central layer is provided with the central shaft stretched out left, described rotary valve central layer is installed in rotation on described central shaft, and the right side of the left side of described standing valve central layer and described rotary valve central layer fits, the diameter of described standing valve central layer is less than the diameter of described rotary valve central layer, the inner periphery of described rotary valve central layer is provided with rotary spool scallop hole, and the excircle of described rotary valve central layer is provided with many group rotary spool cavitation apertures, and described rotary spool scallop hole is positioned in different phase places from described rotary spool cavitation aperture, described standing valve central layer be circumferentially provided with the fixed spool scallop hole that can coincide with described rotary spool scallop hole, the periphery of described standing valve central layer is connected with protruding and can blocks the journal stirrup that dams of one group of rotary spool cavitation aperture, described in the dam center line of journal stirrup and described fixed spool scallop hole coincide.
2. the device of on-line control cavitation effect according to claim 1, it is characterized in that: the excircle of described rotary valve central layer is provided with rotary spool gear, described rotary spool gear is meshed with roller gear, described roller gear is arranged on transverse axis, and transverse axis bearings is passed through on described valve body in the two ends of described transverse axis; Described transverse axis is provided with transverse axis bevel gear, described transverse axis bevel gear is meshed with vertical pivot bevel gear, described vertical pivot bevel gear is arranged on vertical pivot, vertical pivot bearings is passed through on described valve gap in the middle part of described vertical pivot, the top of described vertical pivot bearing is provided with seal, the top of described seal is provided with the seal gland compressed by seal, and the upper end of described vertical pivot is stretched out outside the centre bore of described seal gland, and the upper end of vertical pivot is provided with handwheel.
3. the device of on-line control cavitation effect according to claim 1, it is characterized in that: the center, right side of described standing valve central layer is plugged with stop pin, the two ends of described stop pin are square and middle part is cylinder, the middle part of described stop pin is set with spring, the right-hand member of described stop pin is plugged on the center of compression plate, and the periphery of described compression plate is screwed in the inwall of described valve body.
4. the device of on-line control cavitation effect according to claim 3, it is characterized in that: the left side of described compression plate is provided with the flange collar of stretching out left, described flange collar is resisted against on the right side of described rotary valve central layer, and the left side of described rotary valve central layer is resisted against on the step of described valve body.
5. the device of on-line control cavitation effect according to claim 1, it is characterized in that: described rotary spool cavitation aperture is provided with three groups, often organize the distribution in regular hexagon respectively of rotary spool cavitation aperture, described orthohexagonal each bight and center are respectively equipped with a rotary spool cavitation aperture.
6. the device of on-line control cavitation effect according to claim 5, is characterized in that: described rotary spool cavitation aperture is respectively circular hole or diamond hole.
7. the device of on-line control cavitation effect according to claim 1, is characterized in that: the phase 180 ° between the rotary spool cavitation aperture group of adjacent described cavitation reactor.
8. the device of on-line control cavitation effect according to claim 1, it is characterized in that: the inner chamber of described premixed device comprises converging transition successively along fluid direction of advance, aditus laryngis and divergent segment, the inner chamber of described converging transition and divergent segment is respectively equipped with the suitable premix taper spiral shell head of shape with it, described premix taper spiral shell head is respectively equipped with many helical blades, the large end of each described premix taper spiral shell head is respectively equipped with premixed device cavitation disk, described premixed device cavitation disk be circumferentially evenly provided with multiple premixed device cavitation aperture, the centerline parallel of each described premixed device cavitation aperture is in the axis of described premixed device.
9. the device of on-line control cavitation effect according to claim 8, is characterized in that: described in left and right two, the rotation direction of the helical blade of premix taper spiral shell head is contrary.
10. the device of on-line control cavitation effect according to any one of claim 1 to 9, is characterized in that: the entrance of every grade of cavitation reactor is separately installed with Pressure gauge; The outlet of every grade of cavitation reactor is separately installed with observes visor and probe tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893975.6A CN105381769B (en) | 2015-12-08 | 2015-12-08 | A kind of device of on-line control cavitation effect |
Applications Claiming Priority (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109028549A (en) * | 2018-09-06 | 2018-12-18 | 南通富莱克流体装备有限公司 | Heat energy pump |
| CN109205696A (en) * | 2018-08-31 | 2019-01-15 | 江苏大学 | A kind of novel cavitation apparatus |
| CN110961062A (en) * | 2019-10-30 | 2020-04-07 | 西安交通大学 | Venturi cavitation device capable of changing cavitation effect |
| CN114196150A (en) * | 2021-12-14 | 2022-03-18 | 杭州弘毅智创科技有限公司 | Preparation method and device of phosphorus-containing intrinsic flame-retardant polyacrylate composite material |
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| CN204051659U (en) * | 2014-08-19 | 2014-12-31 | 中国科学院声学研究所 | A kind of ultrasonic cavitation device |
| CN104971678A (en) * | 2015-07-02 | 2015-10-14 | 中国科学院声学研究所 | Coupled cavitation apparatus |
| CN205216816U (en) * | 2015-12-08 | 2016-05-11 | 迈安德集团有限公司 | Device of on -line adjustment cavitation effect |
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| CN204051659U (en) * | 2014-08-19 | 2014-12-31 | 中国科学院声学研究所 | A kind of ultrasonic cavitation device |
| CN104971678A (en) * | 2015-07-02 | 2015-10-14 | 中国科学院声学研究所 | Coupled cavitation apparatus |
| CN205216816U (en) * | 2015-12-08 | 2016-05-11 | 迈安德集团有限公司 | Device of on -line adjustment cavitation effect |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205696A (en) * | 2018-08-31 | 2019-01-15 | 江苏大学 | A kind of novel cavitation apparatus |
| CN109028549A (en) * | 2018-09-06 | 2018-12-18 | 南通富莱克流体装备有限公司 | Heat energy pump |
| CN109028549B (en) * | 2018-09-06 | 2023-11-14 | 南通富莱克流体装备有限公司 | heat energy pump |
| CN110961062A (en) * | 2019-10-30 | 2020-04-07 | 西安交通大学 | Venturi cavitation device capable of changing cavitation effect |
| CN114196150A (en) * | 2021-12-14 | 2022-03-18 | 杭州弘毅智创科技有限公司 | Preparation method and device of phosphorus-containing intrinsic flame-retardant polyacrylate composite material |
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| CN105381769B (en) | 2017-08-08 |
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