CN107971150B - A kind of wide flow adaptation range structure adjustable cyclone of axial-flow type - Google Patents

A kind of wide flow adaptation range structure adjustable cyclone of axial-flow type Download PDF

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Publication number
CN107971150B
CN107971150B CN201711170227.0A CN201711170227A CN107971150B CN 107971150 B CN107971150 B CN 107971150B CN 201711170227 A CN201711170227 A CN 201711170227A CN 107971150 B CN107971150 B CN 107971150B
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overflow
underflow
baffle plate
entrance
removable baffle
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CN107971150A (en
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赵立新
包娜
张津铭
刘琳
徐保蕊
蒋明虎
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Northeast Petroleum University
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Northeast Petroleum University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08—Vortex chamber constructions
    • B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/16—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations with variable-size outlets from the underflow ducting

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Cyclones (AREA)

Abstract

A kind of wide flow adaptation range structure adjustable cyclone of axial-flow type.Including axial entrance, helical flow path, tilted circle entrance, it is fixed in connecting rod and blocks component, drive the entrance adjusting rod for blocking component rotation and having scale mark, taper type overflow ducts with through-hole, the underflow removable baffle plate being connect by hinge with fan-shaped transition slope surface, the outlet regulating bar that the bilateral symmetry with scale mark is distributed is connect with baffle, the overflow inner cylinder being connected to below overflow ducts, the parts such as overflow removable baffle plate and the sealing soft rubber being filled in removable baffle plate and wall cylinder gap；It is wherein fixed in connecting rod and blocks component, for realizing the size of control inlet area；The fan-shaped slope surface of area gradual change is used to slow down the impact of fluid；The adjusting to discharge area size is realized to axle center movement by the movable end of removable baffle plate.This kind of cyclone has separative efficiency high, enters, the characteristics of discharge area size can be adjusted according to flow demand in actual condition.

Description

A kind of wide flow adaptation range structure adjustable cyclone of axial-flow type
Technical field
The present invention relates to a kind of greases that can be applied in the fields such as petroleum, chemical industry, ocean engineering, water process and environmental protection Two-phase medium separator.
Background technique
Currently, cyclone is more and more extensive in industrial applications such as petroleum, chemical industry and coals, and domestic hydrocyclone Technology is increasingly mature.When using cyclone separator oil-water separation two-phase medium, separating effect is obvious.But in oil-water separation or All have a problem that when the media such as solid-liquid: speed is small when flow is too small in actual condition, low efficiency；Flow can generate when excessive Shear action can thus shred bulky grain oil droplet in flow field that the partial size of particle is made to become smaller so as to cause being not readily separated. Therefore the flow curve of cyclone can have a narrow high efficient district.
Cyclone obtains certain application, Northeast Petroleum University's (former grand celebration as a kind of separation equipment in China Petroleum institute) successively apply for multinomial technical patent such as ZL01 2 77425.1, ZL2009 2 0099307.6, ZL2010 1 0556583.8 etc..But the cyclone separator designed above, both for the flow of single setting, once flow in actual condition When generating variation, separative efficiency would not reach desired value.In addition, although a kind of promotion cyclone point has been proposed at present Adjusting method and device from efficiency, the device use tangential inlet, are adjusted by rotating rounded tabs to inlet area Section, but there is no discharge area is adjusted, the fluid flow rate regulated in inlet is caused to have occurred again to exit Variation, certain influence can be generated to separative efficiency.
Summary of the invention
It in order to solve the technical problems mentioned in the background art, can be with the present invention provides a kind of entrance, discharge area The New Type of Separator that flow is adaptively adjusted in actual condition, this kind of separator have separative efficiency height, flow field stable, suitable The characteristics of with wide general and convenient operating maintenance.
The technical scheme is that the wide flow adaptation range structure adjustable cyclone of this kind of axial-flow type, including outer cylinder and Bottom bracket, it is characterised in that: the cyclone further includes that helical flow path, tilted circle entrance, tilted circle block component, band Hole overflow ducts and overflow inner cylinder；
Wherein, in the vortex chamber bottom of the outer cylinder, the identical underflow of the structure being connected by four with eddy flow cavity wall Fan-shaped slope surface is to forming a cube-shaped underflow chamber after outer cylinder central axis transition；The inner wall of the underflow chamber and the bottom The transition junction for flowing fan-shaped slope surface is symmetrically fixed with two underflow section hinges, removable by the underflow section hinge connection underflow Dynamic baffle；The lower end of the underflow removable baffle plate is movable end, and the upper end of the underflow removable baffle plate is and the underflow The connecting end of section hinge；Underflow section is placed between the underflow removable baffle plate and the inner wall of the underflow chamber seals soft rubber Glue；
It is intracavitary in the underflow, be equipped with an overflow inner cylinder, in the overflow inner cylinder also through four in overflow inner cylinder The connected identical overflow sector slope surface of structure of wall is to forming a cube-shaped overflow after overflow inner cylinder central axis transition Chamber；The transition junction of the inner wall of the spill cavity and the overflow sector slope surface is symmetrically fixed with two overflow segment hinges, leads to Cross the overflow segment hinge connection overflow removable baffle plate；The lower end of the overflow removable baffle plate is movable end, the overflow The upper end of removable baffle plate is the connecting end with the overflow segment hinge；In the overflow removable baffle plate and the spill cavity Overflow segment is placed between inner wall seals soft rubber；
Left side outlet adjusting rod and right-side outlet adjusting rod are each passed through the barrel of the outer cylinder；Left side outlet adjusting rod is worn Cross the underflow removable baffle plate and overflow removable baffle plate positioned at left side, and with form a fixed connection between the two；Right-side outlet Adjusting rod be placed through right side underflow removable baffle plate and overflow removable baffle plate, and with form a fixed connection between the two； There is scale in the single pole segment mark of left side outlet adjusting rod and right-side outlet adjusting rod；
The overflow ducts with holes in hollow taper type are coaxially connected on the overflow inner cylinder, it is described with holes excessive The radius in circulation road lower horizontal cross section is identical as the radius of the overflow inner cylinder, opens on the outer wall of the overflow ducts with holes There are several perforative through-holes；
The outlet of the annular space formed between the overflow inner cylinder and the underflow cavity wall is underflow opening；The overflow The outlet at bottom of inner cylinder internal cavities is overflow port；There are two support platforms for the bottom bracket tool, are respectively intended to described in support Outer cylinder and overflow inner cylinder；
The helical flow path, tilted circle entrance and tilted circle block component with same central axis, from top to bottom It is sequentially placed into the upper section of the outer tube inner chamber；The tilted circle entrance is fixed on the lower end of helical flow path, therebetween without phase To movement, the inclination angle of several inclined circular through holes on the tilted circle entrance and the inclination angle phase one of the helical flow path It causes, so that the liquid medium flowed down through the helical flow path can be under conditions of not changing flow direction by the tilted circle It is flowed out after entrance；
The tilted circle is blocked after component is connected by several rounded tabs by connecting rod and is constituted；The rounded tabs It is distributed corresponding with the position of circular through hole on the tilted circle entrance；The center of the connecting rod and entrance adjusting rod hang down Straight interconnection, the entrance adjusting rod run through the center of the helical flow path, and the top of bar is located at except the helical flow path, Circular scale ruler is nested with outside the top bar wall of the entrance adjusting rod；
The top inlet of the outer cylinder is axial entrance, and the cavity that part under helical flow path is located in the outer cylinder is rotation Flow chamber.
The invention has the following beneficial effects: 1. cyclone inlet areas and discharge area can be with flow in actual condition It is adaptively adjusted and can be applied to be used to promote cyclone separative efficiency in hydrocyclone separation technology field.2. the present apparatus will justify Shape entrance and circular baffle plate be designed to helical blade inclination angle form in the same direction, do not change into vortex chamber fluid velocity direction.3. Present apparatus overflow port, underflow opening top are buffered using fan-shaped platform, make overflow and underflow outlet by round gradual change squarely knot Structure avoids having an impact interior flow field.4. inlet area adjusts part, tilted circle baffle is adjusted by entrance adjusting rod and is hidden The size of tilted circle inlet area is kept off, controls inlet area, and corresponding inlet flow rate number can be read by the scale on bar Value size (under actual working conditions, according to flow rate calculation formula, calculates the flow that different entrances and discharge area are flowed through The scale numerical value marked in size and adjusting rod is corresponding).5. discharge area adjustment region, including two portions of overflow and underflow Point.And by the outlet regulating bar being symmetric while adjusting, and scale is indicated on bar, it can show corresponding rate of discharge number It is worth size.
In conclusion the wide flow adaptation range structure adjustable cyclone of this kind of axial-flow type, it solves the rotation designed in the past Device is flowed both for the flow value of single setting, once the flow in actual condition changes, operational efficiency will be significantly It reduces, thus the problem of efficiency of its anticipation is not achieved.Can all there be one for the flow curve of the cyclone designed in the past The problem of narrow high efficient district, the wide flow adaptation range structure adjustable cyclone of the axial-flow type that the present invention designs can pass through The entrance of cyclone separator and the size of exit portion area are successively adjusted, to adapt to the need of different flow in actual condition It asks, guarantees the device under different flow, a higher separative efficiency can be kept.The present apparatus can also by electric control gear with Mechanical driving device combines, and operators can be adjusted according to the flow needed in actual condition using electric control gear The entrance and discharge area of the present apparatus have greatly ensured eddy flow point to obtain different adjustings for different inlet flow rates Higher operational efficiency from device.In addition the present invention can be used for multiple fields, both can be applied to petrochemical industry, can also answer Solid magazine is removed for the fields such as ocean engineering, water process and environmental protection, such as sewage oil removing, sewage.It can be enterprise using the present apparatus Industry brings greatly economic benefit, and has considerable popularization and application foreground, the design will make cyclone adjusting and its It is promoted to a new level in the application of the industries such as petrochemical industry, and a new think of can be provided for the innovation and development of cyclone Road.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the wide flow adaptation range structure adjustable cyclone of this kind of axial-flow type；
Fig. 2 is the assembling schematic diagram of the wide flow adaptation range structure adjustable cyclone of this kind of axial-flow type；
Fig. 3 is the top view of the wide flow adaptation range structure adjustable cyclone structure of this kind of axial-flow type；
Fig. 4 is the structural schematic diagram of tilted circle entrance of the present invention；
Fig. 5 is the cross-sectional view of tilted circle entrance of the present invention；
Fig. 6 is the structural schematic diagram that tilted circle of the present invention blocks component；
Fig. 7 is the structural schematic diagram of overflow ducts with holes of the present invention；
Fig. 8 is the adjustable overflow port structural schematic diagram of area of the present invention；
Fig. 9 is vortex chamber of the present invention and the adjustable underflow opening structural schematic diagram of area；
Figure 10 is the cross-sectional view of outlet section of the present invention；
Figure 11 is bolt structure schematic diagram of the present invention；
Figure 12 is hinge structure schematic diagram of the present invention；
Figure 13 is the structural schematic diagram that entrance adjusting rod of the present invention shows several scales；
Figure 14 is the structural schematic diagram that outlet regulating bar of the present invention shows several scales.
1- axial entrance in figure；2- helical flow path；3- tilted circle entrance；4- tilted circle blocks component；5- is with holes to overflow Circulation road；6- underflow sector slope surface；7- underflow section seals soft rubber；8- left side outlet adjusting rod；9- underflow opening；10- overflow can Moving stop；11- right-side outlet adjusting rod；12- underflow removable baffle plate；13- overflow port；14- underflow section hinge；15- overflow Section hinge；16-overflow inner cylinders；17- vortex chamber；18- connecting rod；19- entrance adjusting rod；20- overflow segment seals soft rubber；21- Screw.
Specific embodiment:
The present invention will be further explained below with reference to the attached drawings:
As shown in Fig. 1 to Figure 14, the wide flow adaptation range structure adjustable cyclone of this kind of axial-flow type, including outer cylinder and bottom Bracket is unique in that: the cyclone further includes that helical flow path, tilted circle entrance, tilted circle block component, band Hole overflow ducts and overflow inner cylinder；
Wherein, in the vortex chamber bottom of the outer cylinder, the identical underflow of the structure being connected by four with eddy flow cavity wall Fan-shaped slope surface is to forming a cube-shaped underflow chamber after outer cylinder central axis transition；The inner wall of the underflow chamber and the bottom The transition junction for flowing fan-shaped slope surface is symmetrically fixed with two underflow section hinges, removable by the underflow section hinge connection underflow Dynamic baffle；The lower end of the underflow removable baffle plate is movable end, and the upper end of the underflow removable baffle plate is and the underflow The connecting end of section hinge；Underflow section is placed between the underflow removable baffle plate and the inner wall of the underflow chamber seals soft rubber Glue；
It is intracavitary in the underflow, be equipped with an overflow inner cylinder, in the overflow inner cylinder also through four in overflow inner cylinder The connected identical overflow sector slope surface of structure of wall is to forming a cube-shaped overflow after overflow inner cylinder central axis transition Chamber；The transition junction of the inner wall of the spill cavity and the overflow sector slope surface is symmetrically fixed with two overflow segment hinges, leads to Cross the overflow segment hinge connection overflow removable baffle plate；The lower end of the overflow removable baffle plate is movable end, the overflow The upper end of removable baffle plate is the connecting end with the overflow segment hinge；In the overflow removable baffle plate and the spill cavity Overflow segment is placed between inner wall seals soft rubber；
Left side outlet adjusting rod and right-side outlet adjusting rod are each passed through the barrel of the outer cylinder；Left side outlet adjusting rod is worn Cross the underflow removable baffle plate and overflow removable baffle plate positioned at left side, and with form a fixed connection between the two；Right-side outlet Adjusting rod be placed through right side underflow removable baffle plate and overflow removable baffle plate, and with form a fixed connection between the two； There is scale in the single pole segment mark of left side outlet adjusting rod and right-side outlet adjusting rod；
The overflow ducts with holes in hollow truncated cone are coaxially connected on the overflow inner cylinder, it is described with holes The radius in overflow ducts lower horizontal cross section is identical as the radius of the overflow inner cylinder, on the outer wall of the overflow ducts with holes It is provided with several perforative through-holes；
The outlet of the annular space formed between the overflow inner cylinder and the underflow cavity wall is underflow opening；The overflow The outlet at bottom of inner cylinder internal cavities is overflow port；There are two support platforms for the bottom bracket tool, are respectively intended to described in support Outer cylinder and overflow inner cylinder；
The helical flow path, tilted circle entrance and tilted circle block component with same central axis, from top to bottom It is sequentially placed into the upper section of the outer tube inner chamber；The tilted circle entrance is fixed on the lower end of helical flow path, therebetween without phase To movement, the inclination angle of several inclined circular through holes on the tilted circle entrance and the inclination angle phase one of the helical flow path It causes, so that the liquid medium flowed down through the helical flow path can be under conditions of not changing flow direction by the tilted circle It is flowed out after entrance；
The tilted circle is blocked after component is connected by several rounded tabs by connecting rod and is constituted；The rounded tabs It is distributed corresponding with the position of circular through hole on the tilted circle entrance；The center of the connecting rod and entrance adjusting rod hang down Straight interconnection, the entrance adjusting rod run through the center of the helical flow path, and the top of bar is located at except the helical flow path, Circular scale ruler is nested with outside the top bar wall of the entrance adjusting rod；
The top inlet of the outer cylinder is axial entrance, and the cavity that part under helical flow path is located in the outer cylinder is rotation Flow chamber.
In the following, the present invention is described in detail in conjunction with attached drawing.
The structure of the wide flow adaptation range structure adjustable cyclone of this kind of axial-flow type is as shown in Figure 1, 2.Separation principle is benefit It is centrifuged with the density contrast of two kinds of immiscible media.Before separation, according to the flow demand in actual condition, pass through The rotation drive of entrance adjusting rod 19 tilted circle is blocked component 4 and is rotated, as shown in fig. 6, being allowed to complete to enter tilted circle Mouth 3 blocks, as shown in Figure 5.And by the scale on entrance adjusting rod, as shown in figure 13, corresponding entrance stream at this time is read Numerical quantity size, according to the scale value that entrance adjusting rod regulates, to axis direction push in opposite directions left and right outlet regulating bar 8, 11, as shown in figure 3, it is identical as entrance adjusting rod to make its scale, to change discharge area, make inlet area and discharge area all The size of flow in actual condition is adapted to, so that cyclone be made to keep higher separative efficiency.After adjusting, starting dress It sets, oil-water mixture is entered in cyclone with certain speed by axial entrance 1, enters inclination angle and spiral along helical flow path 2 The consistent tilted circle entrance of runner, as shown in figure 4, entering vortex chamber 17 by tilted circle entrance, and sends out in vortex chamber Raw centrifuge separation.Under the influence of centrifugal force, lightweight phase-oil is mobile to the center of cyclone, and heavy phase-water is to the side of cyclone Wall is mobile, and the oil after separation is mutually gathered in center, by through-hole into inside overflow ducts 5 with holes, as shown in fig. 7, and along The overflow sector slope surface of area gradual change is flowed out into overflow segment area adjustment region, and by overflow port 13.The overflow segment area Adjustment region is to connect overflow removable baffle plate 10 and the inner wall of overflow inner cylinder 16 by hinge 15, as shown in figure 8, and passing through Screw 21 fixes hinge, as shown in Figure 11,12, passes through the sealing soft rubber 20 being filled in removable baffle plate and wall cylinder gap Being sealed prevents liquid leakage.Water phase after separation is got rid of to outside wall surface, along area gradual change underflow fan-shaped platform 6, the bottom of into Section area adjustment region is flowed, and is flowed out by underflow opening 9, as shown in figure 9, the underflow section area adjustment region is by hinge 14 It is connect underflow removable baffle plate 12 and the inner wall of underflow inner cylinder, and is fixed hinge by screw, it is removable by being filled in Sealing soft rubber 7 in baffle and wall cylinder gap realizes sealing, and in overflow segment and underflow section filling foot as shown in Figure 10 Enough soft rubbers keep its tightly compacted, it is ensured that are still able to achieve sealing function after overflow and the movable baffle of underflow are mobile.
Two discharge area adjustment regions are adjusted by outlet regulating bar 8,11.Outlet regulating bar and overflow are removable Baffle 10, underflow removable baffle plate 12 are connected simultaneously, and are symmetric, and not only can be used to be realized simultaneously to overflow, underflow The bilateral symmetry of area is adjusted, and scale is indicated on outlet regulating bar, as shown in figure 14, can be when adjusting, while being recorded pair The rate of discharge numerical values recited answered.The principle of its work adjusted are as follows: operator drives it simultaneously by mobile outlet adjusting rod The overflow removable baffle plate 10 of connection, the movement of underflow removable baffle plate 12 realize the adjusting of discharge area.Since overflow, underflow can Moving stop is connect by hinge with respective fan-shaped slope surface, therefore the movable end of baffle can be rotated by hinge, so that respectively going out Open area can change, to complete this adjusting.It is by close that removable baffle plate, which is filled in, with sealing in wall cylinder gap The soft rubber of compacting is constituted, and soft rubber has the elasticity of height, and its leakproofness is preferable, therefore can be used to guarantee the sealing of device.
When it is implemented, the appearance main body of this kind of cyclone is made of an outer cylinder, terminates place in helical flow path and set The round entrance of six and spiral with inclination angle is set, six are arranged below round entrance with inclination angle with the circular baffle plate of diameter；It needs By round entrance and circular baffle plate be designed to helical blade inclination angle form in the same direction, do not change into vortex chamber fluid velocity side To.

Claims (1)

1. a kind of wide flow adaptation range structure adjustable cyclone of axial-flow type, including outer cylinder and bottom bracket, it is characterised in that: institute Stating cyclone further includes that helical flow path, tilted circle entrance, tilted circle are blocked in component, overflow ducts with holes and overflow Cylinder；
Wherein, in the vortex chamber bottom of the outer cylinder, the identical underflow of the structure being connected by four with eddy flow cavity wall is fan-shaped Slope surface is to forming a cube-shaped underflow chamber after outer cylinder central axis transition；The inner wall of the underflow chamber and the underflow are fanned The transition junction of shape slope surface is symmetrically fixed with two underflow section hinges, passes through the removable gear of the underflow section hinge connection underflow Plate；The lower end of the underflow removable baffle plate is movable end, and the upper end of the underflow removable baffle plate is to close with the underflow section The connecting end of page；Underflow section is placed between the underflow removable baffle plate and the inner wall of the underflow chamber seals soft rubber；
It is intracavitary in the underflow, an overflow inner cylinder is equipped with, also through four and overflow inner cylinder inner wall phase in the overflow inner cylinder The identical overflow sector slope surface of structure even is to forming a cube-shaped spill cavity after overflow inner cylinder central axis transition；Institute The transition junction of the inner wall and the overflow sector slope surface of stating spill cavity is symmetrically fixed with two overflow segment hinges, by described Overflow segment hinge connection overflow removable baffle plate；The lower end of the overflow removable baffle plate is movable end, and the overflow is removable The upper end of baffle is the connecting end with the overflow segment hinge；The overflow removable baffle plate and the spill cavity inner wall it Between place overflow segment seal soft rubber；
Left side outlet adjusting rod and right-side outlet adjusting rod are each passed through the barrel of the outer cylinder；Left side outlet adjusting rod passes through position Underflow removable baffle plate and overflow removable baffle plate in left side, and with form a fixed connection between the two；Right-side outlet is adjusted Bar be placed through right side underflow removable baffle plate and overflow removable baffle plate, and with form a fixed connection between the two；On a left side The single pole segment mark of side outlet adjusting rod and right-side outlet adjusting rod has scale；
The overflow ducts with holes in hollow taper type are coaxially connected on the overflow inner cylinder, the overflow with holes is logical The radius in road lower horizontal cross section is identical as the radius of the overflow inner cylinder, if being provided on the outer wall of the overflow ducts with holes Do perforative through-hole；
The outlet of the annular space formed between the overflow inner cylinder and the underflow cavity wall is underflow opening；The overflow inner cylinder The outlet at bottom of internal cavities is overflow port；There are two support platforms for the bottom bracket tool, are respectively intended to support the outer cylinder With overflow inner cylinder；
The helical flow path, tilted circle entrance and tilted circle block component with same central axis, from top to bottom successively It is placed in the upper section of the outer tube inner chamber；The tilted circle entrance is fixed on the lower end of helical flow path, therebetween without opposite fortune Dynamic, the inclination angle of several inclined circular through holes on the tilted circle entrance is consistent with the inclination angle of the helical flow path, with Allow the liquid medium flowed down through the helical flow path under conditions of not changing flow direction by the tilted circle entrance After flow out；
The tilted circle is blocked after component is connected by several rounded tabs by connecting rod and is constituted；The distribution of the rounded tabs It is corresponding with the position of circular through hole on the tilted circle entrance；The center of the connecting rod is vertical with entrance adjusting rod to hand over Fork connection, the entrance adjusting rod run through the center of the helical flow path, and the top of bar is located at except the helical flow path, in institute It states and is nested with circular scale ruler outside the top bar wall of entrance adjusting rod；
The top inlet of the outer cylinder is axial entrance, and the cavity that part under helical flow path is located in the outer cylinder is eddy flow Chamber.
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