CN213253291U - Precision filter - Google Patents

Abstract

The utility model relates to an accurate filter, establish the cartridge filter of cavity and install a plurality of filter cores in the cavity in including, the cartridge filter includes the barrel and can dismantle the cover of connecting in the barrel, the upper and lower end of barrel outer wall is connected with feed liquor pipe and drain pipe respectively, each the filter core upper end is the inlet, and the lower extreme is the liquid outlet, the inlet of one of them filter core is connected to the feed liquor union coupling, the liquid outlet of filter core passes through the pipe connection with the inlet of adjacent filter core, and each filter core connects gradually, is located the link endmost the drain pipe is connected to the liquid outlet of filter core, install the locating part in the barrel, the logical chamber that supplies the vertical penetration of filter core is seted up. This application has the efficient effect of filter core split.

Description

Precision filter

Technical Field

The application relates to the field of filtration technology, in particular to a precision filter.

Background

At present, in the chemical hydrogenation production, a precise filter is required to be used in the catalyst filtering process, the shell of a cylinder body of the precise filter is generally made of stainless steel, tubular filter elements such as PP melt-blown filter elements, wire-fired filter elements, folded filter elements, titanium filter elements, activated carbon filter elements and the like are adopted as filter elements inside the shell, and different filter elements are selected according to different filter media and design processes so as to meet the requirement of effluent quality.

Chinese patent publication No. CN203634915U discloses a precision filter, which comprises a base, a housing and filter elements, wherein a liquid inlet pipe and a liquid outlet pipe are respectively arranged at two sides of the base, a fixed table is arranged inside the base, the liquid inlet pipe is communicated with a liquid inlet of the fixed table, the liquid outlet pipe is communicated with a liquid outlet of the fixed table, the housing is fixed above the base, a plurality of filter elements are arranged inside the housing, and the lower ends of the filter elements are mounted on the fixed table; a plurality of reinforcing rib plates are arranged on the circumference of the lower part of the shell; the filter element is an active carbon filter element, and the aperture range of the filter element is 2-5 mu m. Inside liquid that contains impurity got into the fixed station from the feed liquor pipe, installed a plurality of filter cores on the fixed station, liquid got into the filter core from the inlet of fixed station, and the filter core is the active carbon filter core, filters liquid, and liquid after the filtration gets into the drain pipe from the liquid outlet of fixed station. When the cleaning and maintenance operation is needed, the bolt for connecting the shell and the base is unscrewed, the shell is upwards taken out, the filter element is cleaned, and then the shell is installed again.

To the above-mentioned correlation technique, the inventor thinks that the filter core filters the thing and can block up the filter core gradually in the use, consequently needs often to wash and change, but the split is comparatively troublesome between filter core and the fixed station, leads to the split comparatively time-consuming.

Disclosure of Invention

In order to improve the split efficiency of filter core, this application provides a precision filter.

The application provides a precision filter adopts following technical scheme:

the utility model provides an accurate filter, establishes the cartridge filter of cavity and installs a plurality of filter cores in the cavity in including, the cartridge filter includes the barrel and can dismantle the cover of connecting in the barrel, the upper and lower end of barrel outer wall is connected with feed liquor pipe and drain pipe respectively, each the filter core upper end is the inlet, and the lower extreme is the liquid outlet, the inlet of one of them filter core is connected to the feed liquor union coupling, the liquid outlet of filter core passes through the pipe connection with the inlet of adjacent filter core, and each filter core connects gradually, is located the link endmost the drain pipe is connected to the liquid outlet of filter core, install the locating part in the barrel, the logical chamber that supplies the vertical penetration of filter core is.

By adopting the technical scheme, stock solution enters the filter element connected with the liquid inlet pipe from the liquid inlet pipe, is filtered for the first time, sequentially enters each filter element through the pipeline, is filtered for a plurality of times, and is finally led out from the liquid outlet pipe. When the filter element is replaced, the cylinder cover is opened, the filter element is taken out from the through cavity, the filter element can be detached and replaced, the operation is simple, and the splitting efficiency is improved.

Preferably, the outer side wall of the filter element is fixedly provided with a limiting pad, and the lower end of the limiting pad abuts against the upper end face of the limiting part.

By adopting the technical scheme, the limiting pad is arranged on the outer side wall of the filter element, when the filter element penetrates into the through cavity, the filter element slides relative to the limiting part until the limiting pad is abutted to the upper end face of the limiting part, and the axial limiting effect of the filter element is achieved. Under the prerequisite that reaches the spacing difficult rocking of filter core, reach the effect of being convenient for take out simultaneously, have higher practicality.

Preferably, the locating part includes the application of force cover and the installation cover of coaxial setting, connects the dead lever of application of force cover and installation cover, installs the fixation clamp at the installation cover inside wall, the fixation clamp is used for spacing filter core, and is equipped with a plurality ofly along installation cover circumference, install in the barrel and be used for driving the driving piece that the application of force cover only removed along vertical direction.

Through adopting above-mentioned technical scheme, when needing to change the filter core, start the driving piece, the driving piece drives the locating part and rises along vertical direction, and the operator can adjust the height that the locating part rises as required, reaches the purpose of being convenient for take out the filter core.

Preferably, the driving piece includes that it follows its axis pivoted motor to pass force application cover and threaded connection in the lead screw of force application cover and drive lead screw along vertical direction, the lead screw lower extreme passes the barrel and rotates and connect in the barrel, the motor is installed at the barrel lower extreme.

Through adopting above-mentioned technical scheme, in the filtering process, may need to carry out operations such as pressurization and heating to the barrel inside, install the motor at the barrel lower extreme, improved the life of motor. The collocation of lead screw and motor can reach comparatively stable lifting effect, reduces to vibrate, and the security is higher.

Preferably, the lead screw includes coaxial and end connection's removal section and linkage segment, the linkage segment lower extreme rotates to be connected in the barrel, positive screw thread and back thread have been seted up simultaneously to the removal section surface, positive screw thread and back thread tip intercommunication.

Through adopting above-mentioned technical scheme, the stroke that the locating part need remove is limited, only need with the filter core upwards lifting a take the altitude can, consequently set up threaded removal section and reduced locating part unnecessary removal stroke. The positive thread and the negative thread on the surface of the moving section are communicated to form a reciprocating stroke, the screw rod does not need to rotate positively and negatively, the effect of automatic reset after the limiting piece is lifted can be achieved through unidirectional rotation, and the service life of the motor is prolonged.

Preferably, one side of the fixing clamp close to the center of the cylinder body is provided with an opening, and the opening width of the fixing clamp is smaller than the diameter of the filter element.

Through adopting above-mentioned technical scheme, the fixation clamp is close to barrel center one side opening, and when the opening width of fixation clamp was less than the filter core diameter, can not influence the use of fixation clamp, and the fixation clamp can be spacing with the filter core centre gripping equally. The opening arrangement reduces the material required for the fixing clip, and at the same time, if the interior needs to be heated, the temperature of the fixing clip and the temperature of the filter element may be different, and the contact area between the fixing clip and the filter element is reduced, so that the heating uniformity can be improved.

Preferably, the inner wall of the cylinder body is also provided with a heat insulation layer.

Through adopting above-mentioned technical scheme, set up the insulating layer in barrel inside, when inside needs heating, the insulating layer can reduce thermal loss, improves heating efficiency. The temperature in the barrel is difficult to conduct to the outside, so that the probability of scalding by the barrel during operation of an operator is reduced, and the safety is improved.

Preferably, the cylinder body is connected with the cylinder cover through buckles, and a plurality of buckles are arranged along the circumferential direction of the cylinder body.

Through adopting above-mentioned technical scheme, connect through the hasp between barrel and the cover, no matter when the installation or when demolising, the hasp can all reach quick operation's effect, and sealed effect is better, has improved operating efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the filter element is replaced, the filter element is taken out from the through cavity, so that the filter element can be detached and replaced, the operation is simple, and the splitting efficiency is improved.

2. When the filter element needs to be replaced, the driving piece drives the limiting part to ascend along the vertical direction, and an operator can adjust the ascending height of the limiting part as required to achieve the aim of conveniently taking out the filter element.

3. The heat insulation layer is arranged in the barrel, so that heat loss can be reduced, and heating efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural view of the present embodiment in a state where the cartridge cover is opened;

FIG. 3 is a schematic structural diagram of a limiting member according to the present embodiment;

fig. 4 is an enlarged view of fig. 1 at a.

Description of reference numerals: 10. a filter cartridge; 11. a barrel; 12. a cylinder cover; 13. a filter element; 14. a mounting frame; 15. a liquid inlet pipe; 16. a liquid outlet pipe; 17. a straight pipe; 18. a bellows; 20. a limiting member; 21. a force application sleeve; 22. installing a sleeve; 23. fixing the rod; 24. a fixing clip; 25. a chute; 26. a slide bar; 27. a limiting pad; 30. a drive member; 31. a screw rod; 32. a moving section; 33. a connecting section; 34. a thermal insulation layer; 35. a motor; 40. a hasp; 41. a base; 42. a force application rod; 43. a connecting rod; 44. a U-shaped rod; 45. a clamping and connecting plate; 46. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a precision filter. Referring to fig. 1 and 2, the filter cartridge 10 includes a filter cartridge 10 having a cavity therein, a plurality of filter cartridges 13 mounted in the cavity, and a mounting frame 14 for mounting and fixing the filter cartridge 10, wherein the filter cartridge 10 includes a cylinder 11, a cylinder cover 12, and a buckle 40 for fixing the relative positions of the cylinder 11 and the cylinder cover 12. The upper end and the lower end of the side wall of the cylinder body 11 are respectively connected with a liquid inlet pipe 15 and a liquid outlet pipe 16, and the filter elements 13 are sequentially connected and communicated with the liquid inlet pipe 15 and the liquid outlet pipe 16. A limiting member 20 for installing the filter element 13 and a driving member 30 for driving the limiting member 20 to move in the vertical direction are installed in the cylinder 11.

Stock solution enters the filter elements 13 connected with the liquid inlet pipe 15 from the liquid inlet pipe 15, sequentially enters each filter element 13 after being filtered for the first time, is filtered for a plurality of times, and is finally led out from the liquid outlet pipe 16. When the filter element 13 is replaced, the respective hasps 40 are opened, the cylinder cover 12 is opened, and the driving member 30 drives the stopper 20 to rise to a position where the filter element 13 can be conveniently taken out. The new filter element 13 is installed in the retaining member 20, and the driving member 30 brings it back to the initial position, and the cartridge cover 12 is replaced.

Specifically, referring to fig. 3, the upper end of the filter element 13 is a liquid inlet, the lower end of the filter element 13 is a liquid outlet, the liquid inlet pipe 15 is connected to the liquid inlet of one of the filter elements 13, the liquid outlet of the filter element 13 is connected to the liquid inlet of the adjacent filter element 13 through a pipeline, and the liquid outlet of the filter element 13 located at the end of the connecting end is connected to the liquid outlet pipe 16. Forming a complete filter pipeline. In order to facilitate the lifting of the filter element 13, the liquid inlet pipe 15 and the liquid outlet pipe 16 both comprise a straight pipe 17 and a corrugated pipe 18 which are fixedly connected, and the two corrugated pipes 18 are respectively connected with a liquid inlet and a liquid outlet of the filter element 13.

When the driving member 30 is started, the limiting member 20 ascends to drive the filter element 13 mounted on the limiting member 20 to ascend synchronously, and the corrugated pipe 18 bends and deforms without affecting the ascending and descending of the filter element 13. When replacing the filter element 13, it is only necessary to remove the bellows 18 from the connection with the filter element 13.

Specifically, referring to fig. 2 and 3, the limiting member 20 includes a force application sleeve 21 and an installation sleeve 22 which are coaxially arranged, a fixing rod 23 connecting the force application sleeve 21 and the installation sleeve 22, and a fixing clamp 24 installed on the inner side wall of the installation sleeve 22, wherein four fixing clamps 24 are evenly arranged along the circumferential direction of the installation sleeve 22, the fixing clamps are arranged close to one side of the center of the cylinder 11 and are provided with openings, the opening width of each fixing clamp 24 is smaller than the diameter of the filter element 13, and a through cavity for the filter element 13 to penetrate through is formed in each opening of the fixing clamp 24. The outer side wall of each filter element 13 is also fixedly provided with two limiting pads 27, the two limiting pads 27 are symmetrically arranged along the axis of the filter element 13, and the limiting pads 27 are abutted to the upper end face of the fixing clamp 24. Dead lever 23 is equipped with four equally, is located between two adjacent fixation clamps 24 respectively, and spout 25 has been seted up to the installation cover 22 lateral wall, and two sets of have been seted up along installation cover 22 axis symmetry to spout 25, and the fixed draw runner 26 that is equipped with of barrel 11 inner wall, draw runner 26 are equipped with two sets ofly equally, and two draw runners 26 set up respectively in spout 25, and draw runner 26 along vertical direction sliding connection in spout 25.

Referring to fig. 1 and 2, the driving member 30 includes a screw rod 31 and a motor 35, the screw rod 31 passes through the axis of the force application sleeve 21 along the vertical direction, and the two are connected by screw thread, the motor 35 is fixedly installed at the lower end of the outer side of the cylinder 11, and the rotating shaft at the end thereof passes through the cylinder 11 and then is fixedly connected to the screw rod 31. The screw rod 31 comprises a moving section 32 and a connecting section 33 which are fixedly connected coaxially, the connecting section 33 is rotatably connected to the cylinder 11 through a bearing, the surface of the moving section 32 is simultaneously provided with a positive thread and a negative thread, and the ends of the positive thread and the negative thread are communicated. The moving section 32 is screwed to the force application sleeve 21.

Before replacing filter element 13, start motor 35, the pivot of motor 35 tip is rotated and is driven lead screw 31 synchronous rotation, drives locating part 20 from this and has the trend of rising along vertical direction, nevertheless because draw runner 26 inlays and establishes in spout 25, therefore locating part 20 can only remove along vertical direction, rises to and closes motor 35 when a take the altitude. The filter element 13 can be replaced by taking it out of the through cavity. After the new filter element 13 is connected with the pipeline, the liquid inlet pipe 15 or the liquid outlet pipe 16, the new filter element is placed in the through cavity, and the limiting pad 27 on the side wall of the filter element 13 is abutted to the upper end face of the fixing clamp 24 to form a holding state. And starting the motor 35, rotating the screw rod 31, and reversely descending to the initial height when the limiting piece 20 continuously ascends to the end part.

Specifically, referring to fig. 2 and 4, a heat insulation layer 34 is further disposed in the cylinder 11, and the heat insulation layer 34 completely covers the cylinder 11 and the inner wall of the cylinder cover 12. Hasp 40 evenly is equipped with four groups along cover 12 circumference, and hasp 40 includes that the cross-section is T shape and fixed mounting is in the base 41 of barrel 11 lateral wall, rotates the application of force pole 42 of connecting in base 41, passes application of force pole 42 and fixed connection in the connecting rod 43 of application of force pole 42 along application of force pole 42 thickness direction, fixed connection in the U-shaped pole 44 of connecting rod 43, and the U-shaped pole 44 opening is towards base 41, and both ends fixed connection in connecting rod 43. The attachment points of the force application bar 42 and the base 41, and the attachment points of the connecting bar 43 and the U-shaped bar 44 do not coincide. Fixed mounting has joint board 45 on cover 12, and joint board 45 is the opening U-shaped plate of keeping away from cover 12 one side, and joint board 45 keeps away from cover 12 one side and has seted up draw-in groove 46, and draw-in groove 46 sets up simultaneously on two lateral walls of joint board 45 open end, and its opening one side inner wall card is kept away from to the U-shaped board and is established in draw-in groove 46.

When the buckle 40 is opened, the force application rod 42 is rotated, the connecting rod 43 and the U-shaped rod 44 move along with the rotation of the force application rod 42, the U-shaped rod 44 is disengaged from the clamping groove 46, and the operations are repeated to unlock the other buckles 40. After the filter element 13 is replaced, the cylinder cover 12 is covered, the positions of all the parts are aligned, the force application rod 42 is rotated, the connecting rod 43 and the U-shaped rod 44 synchronously move until the inner wall of the end, far away from the opening, of the U-shaped rod 44 abuts against the inner wall of the clamping groove 46, and locking is achieved.

The implementation principle of the precision filter in the embodiment of the application is as follows: when the filter element 13 is clogged or damaged and it is necessary to replace the filter element 13, the snap 40 is brought into contact with the locked state, and the cartridge cover 12 is removed. Starting the motor 35, the screw rod 31 rotates to drive the limiting part 20 to move along the vertical direction, and the motor 35 is turned off when the limiting part rises to a certain height. The filter element 13 can be replaced by taking it out of the through cavity. After the new filter element 13 is connected with the pipeline, the liquid inlet pipe 15 or the liquid outlet pipe 16, the filter element is placed in the through cavity, and the limiting pad 27 on the side wall of the filter element 13 is abutted to the upper end face of the fixing clamp 24 to form stable limiting. The motor 35 is started, the screw rod 31 rotates, and the limiting member 20 returns to the initial position. The cylinder cover 12 is covered, the cylinder cover 12 and the cylinder body 11 are fixed in relative position by the hasp 40, and the installation is finished.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A precision filter, characterized by: comprises a filter cylinder (10) with a cavity arranged inside and a plurality of filter elements (13) arranged in the cavity, the filter cartridge (10) comprises a cartridge body (11) and a cartridge cover (12) which is detachably connected with the cartridge body (11), the upper end and the lower end of the outer wall of the cylinder body (11) are respectively connected with a liquid inlet pipe (15) and a liquid outlet pipe (16), the upper end of each filter element (13) is a liquid inlet, the lower end is a liquid outlet, the liquid inlet pipe (15) is connected with the liquid inlet of one filter element (13), the liquid outlet of the filter element (13) is connected with the liquid inlet of the adjacent filter element (13) through a pipeline, each filter element (13) is sequentially connected, the liquid outlet of the filter element (13) positioned at the tail end of the connecting end is connected with the liquid outlet pipe (16), a limiting part (20) is installed in the barrel body (11), and a through cavity for the filter element (13) to vertically penetrate is formed in the limiting part (20).

2. A precision filter according to claim 1, wherein: the filter core (13) lateral wall is fixed and is equipped with spacing pad (27), spacing pad (27) lower extreme butt in locating part (20) upper end terminal surface.

3. A precision filter according to claim 1, wherein: locating part (20) including application of force cover (21) and installation cover (22), the dead lever (23) of connecting application of force cover (21) and installation cover (22), install fixation clamp (24) at installation cover (22) inside wall, fixation clamp (24) are used for spacing filter core (13), and are equipped with a plurality ofly along installation cover (22) circumference, install in barrel (11) and be used for driving piece (30) that application of force cover (21) only removed along vertical direction.

4. A precision filter according to claim 3, wherein: the driving piece (30) comprises a screw rod (31) which penetrates through the force application sleeve (21) in the vertical direction and is in threaded connection with the force application sleeve (21) and a motor (35) which drives the screw rod (31) to rotate along the axis of the screw rod, the lower end of the screw rod (31) penetrates through the barrel body (11) and is rotationally connected with the barrel body (11), and the motor (35) is installed at the lower end of the barrel body (11).

5. A precision filter according to claim 4, wherein: screw rod (31) are including coaxial and end connection's removal section (32) and linkage segment (33), linkage segment (33) lower extreme rotates to be connected in barrel (11), positive screw thread and back thread have been seted up simultaneously on removal section (32) surface, positive screw thread and back thread tip intercommunication.

6. A precision filter according to claim 3, wherein: the fixing clamp (24) is arranged close to one side of the center of the cylinder body (11) in an opening mode, and the opening width of the fixing clamp (24) is smaller than the diameter of the filter element (13).

7. A precision filter according to claim 1, wherein: the inner wall of the cylinder body (11) is also provided with a heat insulation layer (34).

8. A precision filter according to claim 1, wherein: the barrel body (11) is connected with the barrel cover (12) through buckles (40), and a plurality of buckles (40) are arranged along the circumferential direction of the barrel body (11).

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