CN108854274A - Rotational flow pipe type fluid prefilter - Google Patents

Abstract

The invention discloses a kind of rotational flow pipe type fluid prefilters, including shell, hat shape top cover, cyclone pipe, air-inlet grille, fluid discharge pipe, impurity collecting chamber and impurity discharger, lower part of the housing is provided with horizontal baffle to support the cyclone pipe, each cyclone pipe includes the inner and outer tubes being partly socketed each other, the outer tube of cyclone pipe is conical pipe, gap is kept between the outer tube wall of inner tube socket section and the inner tubal wall of outer tube socket section, swirl vane is arranged in above-mentioned gap, the non-socket end of inner tube is connected to fluid discharge pipe, the non-socket end of outer tube is connected to impurity collecting chamber, diversion trench is equipped on each swirl vane, and blade chamfering is provided on swirl vane.Rotational flow pipe type fluid prefilter provided by the invention, air inlet area increase, and filter effect is higher, and the integrated molding of increasing material manufacturing technique can be used in cyclone pipe, and increasing material manufacturing method limits its structure by geometry and process conditions.

Description

Rotational flow pipe type fluid prefilter

Technical field

The present invention relates to a kind of filtering flow, purification system, in particular to a kind of efficient fluid impurity separator, rotation Drift tube type fluid prefilter, impurity collection device and impurity collect tapping equipment.

Background technique

China is widely used in the fluid impurity separator of engineering machinery, Agricultural Machinery Equipment, and separative efficiency is by technology item The restriction of part, separating effect is bad, and has a single function.Currently, this fluid impurity separator is roughly divided into three classes：Benzvalene form is pre- Filter, cyclone tube type prefilter and automatic dust-exhausting prefilter, corresponding filter efficiency are respectively：Benzvalene form prefilter >=70%, Cyclone tube type prefilter >=80%, automatic dust-exhausting prefilter >=80%, it may be said that the impurity separating effect of current separator It is bad, it is worse to the separating effect of micronic dust, especially in the case where sand and dust and severe environmental pollution.The Degree of Accord Relation of fluid purification To the running quality of follow-up driving force equipment, reducing power-equipment service wear is to the important guarantee for improving its service life.Pay attention to and Developing high efficiency fluid impurity separating device is one of the effective measure that China advocates energy-saving and emission-reduction, and existing fluid impurity separates Apparatus structure is complicated, cost is excessively high, assembly is cumbersome, poor sealing, leads to impurity separation failure, has seriously affected follow-up driving force and set The standby service life.

Fluid impurity separator must also impurity in periodic cleaning impurity containing cavities, presently, there are workers to send out in time In existing containing cavities the problem of impurities accumulation degree, this will lead to cleaning work and can not carry out in time, seriously affect impurity separation Effect；Simultaneously it should also ensure that ejector pipe and impurity containing cavities and impurity exhaust conduit junction sealed reliable, presently, there are it is close Seal the working effect that not tight problem has seriously affected fluid impurity separator.Currently, rotational flow pipe type fluid prefilter makes After 200 hours, impurity separating effect declines to a great extent, maintenance amount increase and it is cumbersome；If without periodic cleaning and dimension Shield will generate big resistance, oil consumption, insufficient, over-emitting black exhaust, exhaust emissions phenomenon not up to standard of burning；Once an interface occurs Problem, will lead to entire prefilter thrashing, and these problems have seriously affected working efficiency and the use of follow-up driving force equipment Service life.

Therefore, how on the basis of guaranteeing efficient separative efficiency, avoiding fluid impurity separator, structure is complicated, peace The problem of dress is inconvenient, leakproofness is poor, unsmooth and low separation efficiency is discharged in impurity, becomes those skilled in the art to be solved Important technological problems.

Summary of the invention

In view of this, providing a kind of impurity separative efficiency it is an object of the invention to overcome the above-mentioned prior art High, lower-cost fluid impurity separator, enables to the separative efficiency of separator to greatly improve, dust removal efficiency is up to 98.4% or more；Simultaneously under the premise of guaranteeing to efficiently separate, separator impurity is avoided to be discharged unsmooth and installation inconvenience Problem；Above-mentioned fluid impurity separator can be assembled by simple and reliable mode, can be avoided the dust in fluid Impurity is directly entered follow-up driving force equipment, prevents dust impurity from causing the abrasion of power-equipment, to effectively extend subsequent The service life of power-equipment.

To achieve the above object, a kind of fluid impurity separator provided by the invention, including：Including the first cavity, Two cavitys, third cavity, the 4th cavity, the 5th cavity, the 6th cavity and cyclone pipe, wherein the first cavity, the second cavity, third Cavity sequentially arranges that the second cavity is connected to outside, and external fluid initially enters the second cavity from top to bottom, then flows into the 4th Cavity, the 4th cavity top are connected to the second cavity, and the 4th cavity lower part is connected to third cavity, and the 5th cavity is located at the 4th chamber Internal portion, the 5th cavity top are connected to the first cavity, and the 5th cavity lower part is connected to the 4th inside cavity, and the 6th cavity is located at The axial centerline of fluid impurity separator, the 6th cavity top are connected to the first cavity, and the 6th cavity lower part has stream Body outlet opening, the second inside cavity are provided with the cyclone pipe for separating impurity in fluid, and cyclone pipe is in separator It is distributed uniformly and circumferentially centered on mandrel line, third cavity is impurity containing cavities and has impurity delivery outlet, the first cavity For the fluid containing cavities after separated impurity out, impurity containing fluid to be processed enters the second cavity by outside, through cyclone pipe point Enter the first cavity from the rear fluid by separation impurity, is finally exported by the 6th cavity to outside, the impurity isolated enters Third cavity, and be discharged in due course.

Further, first cavity, the second cavity, third cavity are three separate spaces separated by partition, three Part is tightly connected.

Further, the 4th cavity and the 5th cavity are located on cyclone pipe, the 4th cavity inner wall and the 5th chamber outer wall it Between have swirl vane.

Further, fluid impurity separator work when, impurity containing fluid from be located at the second cavity on air-inlet grille Into be located at the second inside cavity cyclone pipe in, in downward direction into fluid after cyclone pipe filters then upwards discharge Into the first cavity, then enters the 6th cavity set up vertically from the first cavity and be discharged.

Further, the mesh shape of the air-inlet grille is rectangular, round or diamond shape.

Further, the grid of the air-inlet grille is round mesh form.

Further, it is radially equipped with inside and outside two circles cyclone pipe in the second inside cavity, adjacent cyclone pipe is in the circumferential etc. Spacing arrangement, the spacing of adjacent cyclone pipe are 1-10cm.

Further, cyclone pipe is made of inner tube, outer tube and swirl vane, the material selection engineering ABS plastic of cyclone pipe, One of stainless steel, alloy, ceramics, resin or glass.

Further, cyclone pipe is integrally formed using increasing material manufacturing technique and is made, the material selection engineering ABS modeling of cyclone pipe One of material, stainless steel, alloy, ceramics, resin or glass.

Further, first cavity, the second cavity, third cavity three parts pass through viscose glue, buckle or screw thread or spiral shell Bolt mode connects, and junction is equipped with sealing ring.

Further, it can be shell, third cavity can be that impurity is received that first cavity, which can be hat shape top cover, the second cavity, Integrating chamber, the 4th cavity can can as cyclone pipe inner tube, the 6th cavity as cavity, the 5th cavity between cyclone pipe inner and outer tubes For by the fluid discharge pipe after separation impurity.

The present invention also provides a kind of rotational flow pipe type fluid prefilters, including shell, hat shape top cover, cyclone pipe, air inlet grille Grid, fluid discharge pipe, impurity collecting chamber and impurity discharger, fluid prefilter is from up to down by hat shape top cover, shell and miscellaneous The sealed connection of matter collecting chamber three parts is composed, and is equipped with fluid discharge pipe, shell vertically along its axis direction in the middle part of tubular shell Cyclone pipe is installed between external wall and fluid discharge pipe, the cyclone pipe include multiple axis by shell centered on, along shell The equally distributed cyclone pipe of circumferencial direction, lower part of the housing are provided with horizontal baffle to support the cyclone pipe, each cyclone pipe packet The inner and outer tubes being partly socketed each other are included, the outer tube of cyclone pipe is conical pipe, and inner tube is socketed the outer tube wall and outer tube sleeve of section It connects and keeps gap between the inner tubal wall of section, swirl vane is arranged in above-mentioned gap, the non-socket end and fluid discharge pipe of inner tube Connection, the non-socket end of outer tube are connected to impurity collecting chamber, and diversion trench is equipped on each swirl vane, when cyclone pipe is using increasing Material manufacture is integrally formed when being made, and is provided with blade chamfering in the contact portion of swirl vane and outer tube wall and outer wall of inner tube.

Further, fluid prefilter work when, impurity containing fluid from air-inlet grille enter cyclone pipe inner and outer tubes it Between gap in, flows downward becomes rotating fluid by the effect of swirl vane, and the impurity in fluid enters impurity receipts It is automatically drained out after collection chamber, is upwardly into the fluid discharge pipe that housing central section sets up vertically except the fluid after impurity can then turn back.

Further, cyclone pipe is integral type cyclone pipe, and the integral type cyclone pipe passes through horizontal baffle and prefilter shell Body is connected and fixed, and the spacing of adjacent cyclone pipe is 1-10cm.

Preferably, the end face of above-mentioned horizontal baffle is equipped with mounting hole identical with cyclone pipe quantity, in each mounting hole It is fixed with cyclone pipe.

Further, the swirl vane quantity is 4-10 piece, and swirl vane is successively tangent with inner tube, axial screw spin line Around 90 ° of centered cylinder.

Further, the shape of the swirl vane is planar or curved.

Further, the swirl vane is spiral arcuation, winglike or helical curve planar.

Further, each swirl vane is equipped with 2-5 diversion trench.

Further, in the material selection ABS engineering plastics of cyclone pipe, stainless steel, alloy, ceramics, resin or glass One kind is integrally formed using increasing material manufacturing technique and is made.

Further, there is first annular step on the lower end outer wall of said inner tube, have the on the upper end inner wall of outer tube Second ring step, the swirl vane are inserted into the upper end of outer tube and are sleeved on the lower end of inner tube, make up and down the two of swirl vane End is connected to respectively in first annular step and the second ring-shaped step.

Further, said inner tube, swirl vane and outer tube are made using integral forming process.

Further, said inner tube, swirl vane are made using integral forming process.

Further, the blade outer surface cannot not be provided with viscously wear-resistant coating, and the coating is nano coating.

Further, it is high to be disposed with irony core, graphite fibre, adhesive and nanometer from inside to outside for the non-sticking lining Molecular coatings.

The present invention also provides a kind of impurity collection devices, are used in rotational flow pipe type fluid prefilter, fluid prefilter Housing central section is equipped with impurity exhaust conduit along its axis direction vertically, installs between fluid prefilter housing exterior walls and impurity exhaust conduit There is cyclone pipe, impurity collection device is arranged in cyclone pipe lower part, and impurity collection device includes cyclic annular impurity collecting box and is used to open Or close the control unit of the impurity collecting box collection port, inner ring shaped opening and the impurity exhaust conduit phase of impurity collection device Logical, impurity collecting box is open upwards, and sets up several vertical clapboards wherein to be separated out multiple impurity accommodating cavities, uses Impurity collection device is made to facilitate the impurity level in observation case in transparent material, and impurity collecting box can detachably be tied for point half formula Structure or impurity collecting box are integrally formed using increasing material manufacturing technique to be made.

Further, the impurity collection device is detachably connected with fluid prefilter shell.

Further, the upper end of impurity collecting box is provided with impurity concentration sensor, and impurity concentration sensor and intelligence are controlled Circuit board electrical connection processed.

Further, the quantity of impurity accommodating cavity is 2-8.

Further, impurity collecting box and fluid prefilter shell are tightly connected by L-type hook, screw thread or bolt.

Further, impurity collecting box and fluid prefilter shell are linked up with by L-type is tightly connected, impurity collection box body Integrally formed with the support for fixing L-type hook, support is settable multiple and is evenly distributed on the four of impurity collecting box in outside Week.

Further, the also hinged chamber door convenient for opening on impurity collecting box side, the chamber door inside are also posted The sealing strip for preventing impurity from leaking out from crack between a door and its frame.

Further, lower box part being collected in impurity and impurity discharger being set, the quantity and impurity of impurity discharger are held The quantity for setting chamber is identical, and the setting position of each impurity discharger is corresponding with the position of each impurity accommodating cavity.

Further, the impurity discharger is tapered tube configuration.

Further, the material selection ABS engineering plastics or glass of the impurity collecting box.

Further, the impurity collecting box is put together by two semi-circular shape cabinets.

Further, impurity discharger uses manual impurity discharger or automatic impurity discharger.

Further, the automatic impurity discharger include be arranged in impurity accommodating cavity lower part by solenoid valve control Unidirectional dust exhaust.

Further, the control unit is power valve plate.

The present invention also provides a kind of impurity to collect tapping equipment, is used in rotational flow pipe type fluid prefilter, fluid is pre- It is equipped with fluid discharge pipe vertically along its axis direction in the middle part of filter shell, between fluid prefilter housing exterior walls and fluid discharge pipe Cyclone pipe is installed, impurity collection device, the inner ring shaped opening and fluid discharge pipe of impurity collection device is arranged in cyclone pipe lower part It communicates, impurity collecting box is open upwards, and sets up several vertical clapboards wherein to be separated out multiple impurity accommodating cavities, miscellaneous Matter collecting box is made of transparent material, collects lower box part in impurity and impurity automatic discharge device is arranged, impurity is automatically drained out dress It sets including several impurity outlets and impurity guiding groove, the quantity of impurity outlet is identical as the quantity of impurity accommodating cavity, and every The setting position of a impurity outlet is corresponding with the position of each impurity accommodating cavity.

Further, the upper end of impurity collecting box is provided with impurity concentration sensor, and impurity concentration sensor and intelligence are controlled Circuit board electrical connection processed.

Further, the quantity of impurity accommodating cavity is set as 2-8.

Further, impurity dump valve is set in impurity automatic discharge device, and impurity dump valve has closure member, should Closure member is arranged at the exhaust openings in a manner of it can outwardly open on impurity emission direction.

Further, the impurity outlet is inverted trapezoidal shape structure, impurity outlet two adjacent surfaces and impurity collecting box Bottom water plane generates slanted angle, and the value of two angles is 5 ° -30 °.

Further, the impurity outlet is inverted cone-shaped structure, impurity outlet and impurity collecting box bottom water plane Inclination angle value be 10 ° -30 °.

Further, the material selection ABS engineering plastics or glass of the impurity collecting box, using increasing material manufacturing technique one It is body formed to be made.

Further, the impurity collecting box is detachably connected with shell.

Further, the impurity collects lower box part setting impurity exhaust conduit, and impurity is discharged using water conservancy diversion or injection mode.

Further, impurity automatic discharge device includes being equipped with the unidirectional impurity discharger of solenoid valve control, unidirectional miscellaneous Bag is discharged by impurity for matter discharger and impurity exhaust conduit forms.

Purposes of the invention：

Fluid impurity separator of the invention is widely used, and is suitable for engineering machinery, agricultural machinery and fixed equipment.Wherein Engineering machinery includes excavator, loading machine, engineering dump truck, road roller, bull-dozer, land leveller, Environmental sanitation cleaning vehicle, churning driven Machine, fork truck, crane etc.；Agricultural machinery includes tractor, corn picker, wheat harvester, rice harvester, peanut harvesting Machine, soybean harvester；Fixed equipment includes generating set, air compressor machine.

Beneficial effects of the present invention：

1. fluid impurity separator of the invention can be manufactured all using quality raw materials engineering ABS plastic, volume-diminished, weight Amount is light, more saving space, easy for installation, durable；2. dust discharge rate is high：Air inlet area increases, previous old-fashioned filtering cyclone pipe Only 12, new-type to increase to 30 or more, air inlet is more sufficient, and filter effect is higher, even if dirt is again under harsh state Greatly, prefilter is also filtrable very clean；3. there is no consumptive material, do not have to maintenance, save money time saving, can ensure that harvester filter is made Industry one day without cleaning filter dirt；4. cleaning is more convenient, old-fashioned machine must be by the entire prefilter side of taking when clearing up Dust can be cleared up, causes the very big time to waste in harvesting user, impurity collection device of the invention can be divided into two body knots Structure unloads prefilter and can timely and conveniently clear up dust, clearance time is greatly saved when clearing up dust without plucking；Under 5. Air inlet design does not avoid rainwater into rainwater and is entered inside air filter by prefilter；6. the prefilter of filter core free of replacement；7. stream The integrated molding of increasing material manufacturing technique all can be used in body impurity separating device entirety and its internal component, such as cyclone pipe, increases material system The method of making limits the structure of fluid impurity separator no longer by geometry and process conditions, can be made with any knot The fluid impurity separator of structure can all realize direct system to the fluid impurity separator with complex-curved, complicated hole It makes.

Detailed description of the invention

Fig. 1 is the positive schematic front view of fluid impurity separator in the present invention.

Fig. 2 is the air flow schematic diagram of fluid impurity separator in the present invention.

Fig. 3 is the structural schematic diagram of cyclone pipe in the present invention.

Fig. 4 is the schematic top plan view of impurity collecting box in the present invention.

Fig. 5 is the positive schematic front view that impurity collects with tapping equipment in the present invention.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.

Embodiment 1：A kind of fluid impurity separator, referring to Fig. 1 and Fig. 2, including：Including the first cavity 1, the second cavity 2, third cavity 3, the 4th cavity 4, the 5th cavity 5, the 6th cavity 6 and cyclone pipe 10, wherein the first cavity 1, the second cavity 2, Third cavity 3 from top to bottom arrange by sequence, and the second cavity 2 is connected to outside, and external fluid initially enters the second cavity 2, then The 4th cavity 4 is flowed into, 4 top of the 4th cavity is connected to the second cavity 2, and 4 lower part of the 4th cavity is connected to third cavity 3, and the 5th Cavity 5 be located at the inside of the 4th cavity 4 and be connected to inside the 4th cavity 4,5 top of the 5th cavity is connected to the first cavity 1, the 6th Cavity 6 is located at the axial centerline of separator, and 6 top of the 6th cavity is connected to the first cavity 1,6 lower part of the 6th cavity tool There is fluid outlet opening, the second cavity 2 is internally provided with the cyclone pipe 10 for separating impurity in fluid, and cyclone pipe 10 is to separate It being distributed uniformly and circumferentially centered on the central axis of device, third cavity 3 is impurity containing cavities and has impurity delivery outlet, First cavity 1 is the fluid containing cavities after separated impurity out, and impurity containing fluid to be processed enters the second cavity 2 by outside, Enter the first cavity 1 after cyclone pipe separates, is finally exported by the 6th cavity 6 to outside, the impurity isolated enters third Cavity 3, and be discharged in due course.

When work, impurity containing fluid enters in cyclone pipe from air-inlet grille, and wherein fluid flow range is 700-1200m³/ H, in downward direction into fluid after cyclone pipe filters then upwards discharge, simultaneously subsequently into the 6th cavity set up vertically Discharge.

As shown in Figure 1, first cavity 1, the second cavity 2, third cavity 3 are the three independent skies separated by partition Between, three parts be tightly connected, preferably described first cavity 1, the second cavity 2,3 three parts of third cavity by viscose glue, buckle or Bolt mode connects, and junction is equipped with sealing ring.Certainly, the first cavity 1, the second cavity 2, third cavity 3 also may be selected whole Disposal molding, without assembling.

The mesh shape of the air-inlet grille is rectangular, round or diamond shape, circular mesh form.

It is radially inside equipped with inside and outside two circles cyclone pipe 10 in the second cavity 2, the spacing of adjacent cyclone pipe 10 is 1- 10cm.One of material selection engineering ABS plastic, stainless steel, alloy, ceramics, resin or glass of cyclone pipe 10, preferably work Journey ABS plastic is integrally formed using increasing material manufacturing technique and is made.

Referring to shown in attached drawing 3, this kind is used for the cyclone pipe 10 of fluid impurity separator, it is used in fluid prefilter Basic cell structure, structural design features are that the cyclone pipe is made of inner tube 11, outer tube 13 and swirl vane 7, interior Pipe 11 is sleeved in outer tube 13, and the outer tube 13 of cyclone pipe is conical pipe, and inner tube 11 is socketed the outer tube wall of section and outer tube 13 is socketed section Inner tubal wall between keep gap, swirl vane 7 is arranged in above-mentioned gap, and the non-socket end and fluid discharge pipe of inner tube 11 connect Logical, the non-socket end of outer tube 13 is connected to impurity collecting chamber, and diversion trench, preferably each eddy flow are equipped on each swirl vane 7 Blade 7 is equipped with 3 diversion trenches, and is arranged in the contact portion of the outer wall of the inner wall and inner tube 11 of swirl vane 7 and outer tube 13 There is blade chamfering.

Multiple such cyclone pipes 10 are combined and just constitute the impurity filtering part of fluid prefilter, prefilter Lower part of the housing is provided with horizontal baffle to support the cyclone pipe.The operation principle and process of cyclone pipe is in fluid stream enters Manage downward the gap between outer tube, as shown by the arrows in Figure 2, by the effect of swirl vane, when flows downward just becomes At rotating fluid, impurity in fluid will continue to move downwards, pass through outer tube due to being centrifuged and the effect of self gravity Lower exit port discharge, and fluid can then turn back and be upwardly into the fluid discharge pipe that prefilter housing central section is set up vertically, in this way Just achieve the purpose that fluid primary filter dedusting.

It should be noted that multiple cyclone pipes 10, cyclone pipe can be arranged according to the air inflow of engine in the present embodiment 10 quantity preferably 30.ABS engineering plastics can be selected in the material of cyclone pipe 10, are integrally formed using increasing material manufacturing technique, preferably It is made using selective laser melting process, using 30~50 microns of diameter of focusing laser beam, raw material powder constituency is successively melted Change, is piled into the entity of a dense structure, has the advantages that light-weight, easy for installation, durable.

Cyclone pipe can be integral type cyclone pipe, and the integral type cyclone pipe is connect by horizontal baffle with prefilter shell solid Fixed, the spacing of adjacent cyclone pipe is 5cm.The end face of above-mentioned horizontal baffle is equipped with mounting hole identical with cyclone pipe quantity, often Cyclone pipe is fixed in a mounting hole.

Above-mentioned multiple cyclone pipes 10 are preferably uniformly distributed centered on prefilter shell axis, along shell circumferencial direction, this The air inflow of each cyclone pipe of sample is more uniform, it is ensured that the filter efficiency and filter effect of each cyclone pipe.As needed may be used Inside and outside two circle is set by cyclone pipe.

Preferably, 7 quantity of swirl vane is 6, and swirl vane is successively tangent with inner tube, and axial screw spin line is around center circle 90 ° of column.The shape of swirl vane 7 is spiral arcuation, and outer surface is provided with non-sticking lining, and the non-sticking lining is from inside to outside successively It is provided with irony core, graphite fibre, adhesive and nano-high molecule coating.

Preferably, there is first annular step on the lower end outer wall of cyclone pipe inner tube 11, have on the upper end inner wall of outer tube 13 There is the second ring-shaped step, swirl vane 7 is inserted into the upper end of outer tube 13 and is sleeved on the lower end of inner tube 11, makes swirl vane 7 Upper and lower ends are connected to respectively in first annular step and the second ring-shaped step, to guarantee the upper port and outer tube of swirl vane 7 13 upper port is substantially flush.It is preferred that the outer diameter of inner tube 11 is 22.5 ± 2mm, the outer diameter of 13 upper end of outer tube is 33.5 ± 2mm, wall Thickness≤2mm, and total a height of 230 ± 2mm after inner tube 11, outer tube 13 and the assembly of swirl vane 12.The present invention passes through in outer tube, inner tube It is equipped with positioning step, ensure that the self-positioning molding assembly of outer tube, inner tube, swirl vane and need not be adjusted, dress is improved With efficiency, assembly precision ensure that.

Referring to shown in attached drawing 4, Fig. 5, in fluid impurity separator of the invention, including impurity is collected and discharger. Fluid prefilter housing central section is equipped with impurity exhaust conduit along its axis direction vertically, and fluid prefilter housing exterior walls and impurity are discharged Cyclone pipe is installed, impurity collection device is arranged in cyclone pipe lower part, and impurity collection device includes cyclic annular impurity collecting box between pipe 21 and it is used to open or closes the control unit of the impurity collecting box collection port, control unit can be power valve plate, when charged When pole piece group is charged, power valve plate closes the impurity collecting box collection port；When charged pole piece group band is not charged, power valve plate Open 21 collection port of impurity collecting box.The inner ring shaped opening of impurity collection device is communicated with impurity exhaust conduit, and impurity is collected Case is open upwards, and sets up several vertical clapboards wherein to be separated out multiple impurity accommodating cavities 22, using transparent material Impurity collecting box 21 is made to facilitate the impurity level in observation case, impurity collecting box 21 is integrally formed system using increasing material manufacturing technique ?.

Impurity collection device is detachably connected with fluid prefilter shell, can pass through L-type hook, screw thread or bolt and fluid Prefilter housing seal connection.It is preferred that using L-type hook 23, integrally formed with for fixing L on the outside of 21 cabinet of impurity collecting box The support of type hook 23, support is settable multiple and is evenly distributed on the surrounding of impurity collecting box 21.Such as when installation, it is only necessary to make Impurity collecting box 21 can be fixed on the support, be realized effectively reliable fixed, quick for installation with 6 L-type hooks 23.

Impurity collecting box 21 can be put together by two semi-circular shape cabinets, material selection transparent material, such as engineering plastic Material or glass are integrally formed using increasing material manufacturing technique and are made.The also hinged case convenient for opening on impurity collecting box side The sealing strip for preventing impurity from leaking out from crack between a door and its frame is also posted in door, the chamber door inside.

The upper end of impurity collecting box is provided with impurity concentration sensor, impurity concentration sensor and Intelligent control electric road deck Electrical connection.

Lower box part is collected in impurity, and impurity discharger 30, the quantity and impurity accommodating cavity 22 of impurity discharger 30 are set Quantity it is identical, and the setting position of each impurity discharger 30 is corresponding with the position of each impurity accommodating cavity 22.Impurity holds The quantity for setting chamber 22 is 2-8, preferably 6.

The shape of the impurity discharger 30 may be configured as being gradually reduced along direction from top to bottom, so that impurity is collected Impurity in device is to collecting at the impurity discharger 30 of its bottom, convenient for discharge impurity.Impurity discharger 30 is preferably Tapered tube configuration can efficiently use gravity, and the impurity such as the dust separated are discharged outside fluid prefilter.

Further, impurity discharger uses manual impurity discharger or automatic impurity discharger.It is preferred that using Automatic impurity discharger comprising the unidirectional dust exhaust of impurity accommodating cavity lower part controlled by solenoid valve 31 is set, it is single Bag is discharged by impurity to impurity discharger and impurity exhaust conduit forms, impurity is discharged using water conservancy diversion or injection mode.

Impurity automatic discharge device may include several impurity outlets and impurity guiding groove, the quantity of impurity outlet with it is miscellaneous The quantity of matter accommodating cavity is identical, and the setting position of each impurity outlet is corresponding with the position of each impurity accommodating cavity.

Impurity dump valve is set in impurity automatic discharge device, and impurity dump valve has closure member, the closure member It is arranged at the exhaust openings in a manner of it can be outwardly opened on impurity emission direction.

Impurity outlet is inverted trapezoidal shape structure, and impurity outlet two adjacent surfaces and impurity collecting box bottom water plane generate Slanted angle, the value of two angles are 5 ° -30 °, preferably 15 °.

Or impurity outlet can be inverted cone-shaped structure, the inclination angle of impurity outlet and impurity collecting box bottom water plane Value is 5 ° -30 °, preferably 15 °.

When work, impurity collection device is arranged in separator lower part of the housing, and the lower part of impurity collection device is equipped with switchable Control unit.In this way, may collect in impurity collection device by the impurity that the lower part of cyclone pipe is fallen, collects and fill when impurity Set middle collection impurity it is more when, impurity is discharged openable control unit.

Embodiment 2：Referring to attached drawing 1-5, modular air primary filter deduster includes hat shape top cover, modularization deduster Shell, cyclone pipe air filter, air-inlet grille, escape pipe, dust-collecting cavity and automatic ash discharging device, hat shape top cover, modularization Shell of dust remover and the sealed connection of dust-collecting cavity three parts are composed.In order to facilitate disassembly internal part, hat shape top cover, modularization Shell of dust remover and dust-collecting cavity can be removably joined together by helicitic texture, clamping structure etc..

Shell of dust remover is tubular, high 409.5cm, cylindrical portion diameter be 307cm, cyclone pipe 10 be arranged in shell and Positioned at air-inlet grille lower position, cyclone pipe 10 is arranged along the vertical direction, and two circles can be equipped between housing exterior walls and escape pipe Cyclone pipe, the quantity of cyclone pipe are 30.Cyclone pipe 10 is entered by the air that air-inlet grille enters in a downward direction, and into The air for entering cyclone pipe 10 is discharged in the upward direction, subsequently into the escape pipe that housing central section is set up vertically, the sky through pre-flock Gas is expelled to the inner cavity of filter core from top to bottom, enters in engine after filter element filtering, and the lower part of cyclone pipe 10 is equipped with dust-exhausting port.

In the present embodiment, cyclone pipe 10 includes outer tube 13 and inner tube 11,11 sets of the inner tube inside in outer tube 13, and the two Between keep gap, air is entered by the gap between inner tube 11 and outer tube 13, is exported after baffling by inner tube 11, and cyclone pipe 10 lower part is dust-exhausting port, and under the effect of gravity, dust can be discharged by dust-exhausting port.

So set, specifically please refer to air-flow direction in Fig. 2 when air cleaner work, air is from air inlet grille Grid enter in cyclone pipe 10, and wherein charge flow rate range is：700-1200m³/ h, preferably 1000m³/ h, intake resistance< 2.5kPa, by the filtering of cyclone pipe 10, since cyclone pipe 10 has counterflow configuration, in downward direction into air can revolve In flow tube 10 then it is expelled to escape pipe upwards, the air through pre-flock is expelled to the inner cavity of filter core by escape pipe from top to bottom, real Air after having showed pre-flock is by the effect that is discharged below shell, most afterwards after filter element filtering, clean air by gas outlet into Enter into engine.Air cleaner provided in this embodiment is dry type filter, filter efficiency with higher and filtering effect Fruit, and cyclone pipe 10 is arranged along the vertical direction, and dust is easy to be discharged from the dust-exhausting port of 10 lower part of cyclone pipe, facilitates dust discharge.

Above-mentioned multiple cyclone pipes 10 are preferably distributed uniformly and circumferentially centered on the center line of shell, each in this way The air inflow of cyclone pipe 10 is more uniform, it is ensured that the filter efficiency and filter effect of each cyclone pipe 10.

In addition, being equipped with dust-collecting cavity in the lower part of shell, the lower part of dust-collecting cavity is equipped with and can open in the preferred embodiment of the present embodiment The dust discharge valve of pass.In this way, may collect in dust-collecting cavity by the dust that the lower part of cyclone pipe 10 is fallen, when what is collected in dust-collecting cavity When dust is more, dust is discharged openable dust discharge valve.Dust-collecting cavity can be made of transparent plastic material, convenient to observe in it at any time The dust storage condition in portion.

Further, above-mentioned dust-collecting cavity is gradually reduced along direction from top to bottom, so that the dust of dust-collecting cavity is to its bottom Dust discharge valve at collect, convenient for discharge dust.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (12)

1. a kind of rotational flow pipe type fluid prefilter, including it is shell, hat shape top cover, cyclone pipe, air-inlet grille, fluid discharge pipe, miscellaneous Matter collecting chamber and impurity discharger, fluid prefilter are close by hat shape top cover, shell and impurity collecting chamber three parts from up to down Envelope connection is composed, it is characterised in that：It is equipped with fluid discharge pipe, housing exterior walls vertically along its axis direction in the middle part of tubular shell Cyclone pipe is installed between fluid discharge pipe, the cyclone pipe include multiple axis by shell centered on, along shell circumference side To equally distributed cyclone pipe, lower part of the housing is provided with horizontal baffle to support the cyclone pipe, and each cyclone pipe includes each other The inner and outer tubes being partly socketed, the outer tube of cyclone pipe are conical pipe, and inner tube is socketed the outer tube wall of section and outer tube is socketed section Gap is kept between inner tubal wall, swirl vane is arranged in above-mentioned gap, and the non-socket end of inner tube is connected to fluid discharge pipe, outside The non-socket end of pipe is connected to impurity collecting chamber, diversion trench is equipped on each swirl vane, and leaf is provided on swirl vane Piece chamfering.

2. a kind of rotational flow pipe type fluid prefilter according to claim 1, it is characterised in that：When fluid prefilter works, Impurity containing fluid enters in the gap between cyclone pipe inner and outer tubes from air-inlet grille, and flows downward passes through swirl vane Effect become rotating fluid, the impurity in fluid is automatically drained out after entering impurity collecting chamber, except the fluid after impurity can then be rolled over It returns and is upwardly into the fluid discharge pipe that housing central section is set up vertically.

3. a kind of rotational flow pipe type fluid prefilter according to claim 1 or 2, it is characterised in that：Cyclone pipe is integral type Cyclone pipe, the integral type cyclone pipe are connected and fixed by horizontal baffle and prefilter shell, and the spacing of adjacent cyclone pipe is 1- 10cm。

4. rotational flow pipe type fluid prefilter according to any one of claim 1-3, it is characterised in that：Above-mentioned horizontal baffle End face be equipped with mounting hole identical with cyclone pipe quantity, be fixed with cyclone pipe in each mounting hole.

5. rotational flow pipe type fluid prefilter described in any one of -4 according to claim 1, it is characterised in that：The swirl vane Quantity is 4-10 piece, and swirl vane is successively tangent with inner tube, and axial screw spin line is around 90 ° of centered cylinder.

6. rotational flow pipe type fluid prefilter according to any one of claims 1-5, it is characterised in that：The swirl vane Shape be planar or curved.

7. rotational flow pipe type fluid prefilter according to claim 1 to 6, it is characterised in that：The swirl vane For spiral arcuation, winglike or helical curve planar.

8. rotational flow pipe type fluid prefilter described in any one of -7 according to claim 1, it is characterised in that：Each swirl vane It is equipped with 2-5 diversion trench.

9. rotational flow pipe type fluid prefilter according to claim 1 to 8, it is characterised in that：The material of cyclone pipe One of ABS engineering plastics, stainless steel, alloy, ceramics, resin or glass are selected, is integrally formed using increasing material manufacturing technique It is made.

10. rotational flow pipe type fluid prefilter according to claim 1 to 9, it is characterised in that：Said inner tube There is first annular step on lower end outer wall, there is the second ring-shaped step, the swirl vane inserting on the upper end inner wall of outer tube Outer tube upper end and be sleeved on the lower end of inner tube, so that the upper and lower ends of swirl vane is connected to first annular step and respectively On second ring step.

11. rotational flow pipe type fluid prefilter according to claim 1 to 10, it is characterised in that：Outside the blade Surface is provided with non-sticking lining.

12. rotational flow pipe type fluid prefilter described in any one of 1 according to claim 1, it is characterised in that：The non-sticking lining It is disposed with irony core, graphite fibre, adhesive and nano-high molecule coating from inside to outside.