CN210356224U - Back-washing precise filtering device with adjustable precision - Google Patents
Back-washing precise filtering device with adjustable precision Download PDFInfo
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- CN210356224U CN210356224U CN201920793026.4U CN201920793026U CN210356224U CN 210356224 U CN210356224 U CN 210356224U CN 201920793026 U CN201920793026 U CN 201920793026U CN 210356224 U CN210356224 U CN 210356224U
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Abstract
The utility model discloses an adjustable precision back flush microfiltration device, include: the filter comprises a shell, a filter assembly and a control assembly; wherein the filter assembly is mounted in the housing cavity and the control assembly is mounted on the housing; the filter assembly is provided with a primary filter element and a secondary filter element which are connected in a sleeved mode, a fixing plate and a shaft sleeve which are fixedly connected with the primary filter element, and a transmission shaft in threaded transmission with the shaft sleeve, and the primary filter element and the fixing plate only move axially along the transmission shaft by rotating the transmission shaft; the utility model changes the relative position of the primary filter element and the secondary filter element, changes the aperture of the filter hole of the filter element, and achieves the purpose of controlling the filter precision; cleaning at regular time by a timer, judging impurities on the surface of the filter element by detecting the pressure difference between the water inlet and the water outlet, and controlling the electromagnetic valve to carry out backwashing; still possess remote control function, convenient and practical.
Description
Technical Field
The utility model relates to a filtration equipment field, more specifically the utility model relates to an adjustable precision back flush microfiltration device that says so.
Background
At present, a drainage pipeline is filled with a plurality of impurities, such as welding slag, sand and the like, so that the quality of water is reduced, and meanwhile, the sealing performance, the sensitivity and the reliability of actuating elements (valves, water pumps and the like) and detection elements (pressure sensors, temperature sensors, flowmeters and the like) are influenced. In the heat supply field, the welding slag in the pipeline, silt, the particulate matter, can block up plate heat exchanger and end user's pipeline and block up, it is not hot to cause the heating, need to change and clear up plate heat exchanger and the work of mediation pipeline, install Y type filter or traditional self-cleaning filter additional in water supply and drainage system and solve system's filtration problem usually, but these filters are because filter fineness is single, can't realize the precision regulation in operation later stage, cause some particulate matters that are less than the filter fineness can't get rid of, this often is that slight impurity granule slowly piles up and causes plate heat exchanger to block up, the heat exchange efficiency of heat exchanger has been reduced. Therefore, the waste of a large amount of manpower and material resources is brought, and simultaneously, great economic loss is caused for a user, so that the filtering precision can be adjusted according to the operation requirement of the system by installing the filtering device with adjustable precision at a proper position of a pipeline, and the filtering problem of the system is thoroughly solved.
Therefore, how to provide a backwashing precise filtering device with adjustable filtering precision is a problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an adjustable precision back flush microfiltration device of adjustable filter fineness possesses timing washing, self-cleaning function and remote control function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an adjustable precision backwash microfiltration device comprising: the filter comprises a shell, a filter assembly and a control assembly; wherein the filter assembly is mounted in the housing cavity and the control assembly is mounted on the housing;
the shell is cylindrical and is provided with a water inlet, a water outlet and a sewage outlet which are communicated with the inner cavity of the shell; the water inlet is positioned at one end of the shell, and a first annular baffle coaxial with the shell is fixedly attached to the end of the shell; the water outlet and the sewage draining exit are positioned on the side wall close to the other end of the shell; a second annular baffle coaxial with the shell is fixed in the inner cavity of the shell between the water outlet and the sewage outlet;
the filter assembly comprises a primary filter element, a fixing plate, a secondary filter element, a transmission shaft and a hand wheel; the primary filter element is cylindrical and is coaxially arranged with the shell;
the two fixing plates are arranged, shaft sleeves are respectively fixed in through holes formed in the middle of the two fixing plates, and at least one of the two shaft sleeves is provided with an internal thread; the two fixing plates are respectively fixed at two ends of the primary filter element, the outer peripheral sides of the two fixing plates are respectively attached to the inner annular walls of the first annular baffle and the second annular baffle in a sealing manner and are in sliding connection, and the two fixing plates are limited to move only along the axial direction of the shell; a water flowing hole is formed in the fixing plate matched with the first annular baffle;
the secondary filter element is sleeved outside the primary filter element and has a cavity with the inner wall of the shell, and two ends of the secondary filter element are respectively fixed with the inner edges of the first annular baffle and the second annular baffle;
the transmission shaft is provided with external threads matched with the shaft sleeves, the two shaft sleeves are respectively sleeved at the two ends of the transmission shaft, and the transmission shaft is rotated to drive the two fixing plates and the primary filter element to move axially along the transmission shaft; one end of the transmission shaft penetrates through the corresponding shell wall, the hand wheel is fixed at the end, and a bearing is installed at the other end of the transmission shaft and fixedly embedded on the opposite shell inner wall.
According to the technical scheme, compared with the prior art, the utility model discloses an adjustable precision backwashing precise filtering device, which drives a shaft sleeve in screw connection with a transmission rod to move along the axial direction of the transmission rod by rotating the transmission rod, thereby driving a fixed plate fixed on the shaft sleeve and a primary filter element fixed on the fixed plate to act; make one-level filter core and second grade filter core take place relative displacement, the filtration pore is sheltered from by the part with the filtration of second grade filter core to the one-level filter core realizes the change of filtration pore aperture to adjust filter fineness, be applicable to different filter fineness's environment, accommodation is wider.
Preferably, in order to further optimize the above technical solution, the housing includes a main housing, a front cover plate and a rear cover plate; the main shell is cylindrical and has openings at two ends; the front cover plate is fixed at one end of the main shell, and the rear cover plate is detachably fixed at the other end of the main shell to form an inner cavity; by adopting the scheme, the filter element is more convenient to replace, and the maintenance efficiency is enhanced.
Preferably, in order to further optimize the above technical scheme, the front cover plate is provided with the water inlet on the outer side surface of the inner cavity, the first annular baffle is fixed on the inner side surface, and the outer wall of the main shell is provided with the water outlet and the sewage outlet; and a second annular baffle which is coaxial with the main shell is fixed in the inner cavity between the water outlet and the sewage discharge port, and the filtering bin and the sewage discharge bin are divided by adopting the scheme.
Preferably, in order to further optimize the technical scheme, a cavity is formed between the secondary filter element and the inner wall of the main shell, and water flow filtration is facilitated by adopting the scheme.
Preferably, in order to further optimize the technical scheme, one end of the transmission shaft penetrates through the rear cover plate and the hand wheel is fixed at the end, and the other end of the transmission shaft is provided with a bearing which is fixedly embedded and installed on one side of the front cover plate in the inner cavity; by adopting the scheme, the action of driving the baffle by rotating the hand wheel is realized.
Preferably, in order to further optimize the technical scheme, a groove is formed in one side, attached to the second-stage filter element, of the first annular baffle, and the second-stage filter element is fixedly embedded in the groove; by adopting the scheme, the installation of the secondary filter element is firmer.
Preferably, in order to further optimize the above technical solution, a sealing ring adapted to the transmission shaft is fixed to one side of the rear cover plate outside the inner cavity and is sleeved on the transmission shaft; by adopting the scheme, the sealing performance of the structure can be enhanced.
Preferably, in order to further optimize the above technical solution, the control assembly includes an operation panel, a PLC controller, a timing controller, an electromagnetic valve, a pressure difference controller, and a pressure sensor;
two pressure sensors are arranged and respectively fixed on the water inlet and the water outlet; the electromagnetic valve is arranged on a fixing plate which is in fit sealing with the second annular baffle; the electromagnetic valve, the pressure difference controller, the timing controller and the operation panel are all electrically connected with the PLC, and the two pressure sensors are all electrically connected with the pressure difference controller; according to the scheme, the electromagnetic valve can be opened through the control panel, so that water flow drives impurities to enter the sewage discharge outlet for backwashing operation or timing backwashing, the pressure difference can be calculated according to the pressure of the collected water inlet and outlet, a reasonable pressure difference value is set, automatic backwashing is realized, manpower and material resources are saved, and the operation is very convenient.
According to the technical scheme, compared with the prior art, the utility model discloses an adjustable precision backwashing precise filtering device, which drives a shaft sleeve in screw connection with a transmission rod to move along the axial direction of the transmission rod by rotating the transmission rod, thereby driving a fixed plate fixed on the shaft sleeve and a primary filter element fixed on the fixed plate to act; the filter device has the advantages that the first-stage filter element and the second-stage filter element are enabled to generate relative displacement, the filter holes of the first-stage filter element and the second-stage filter element are partially shielded, the aperture of the filter holes is changed, the filter precision is adjusted, the filter device is suitable for environments with different filter precisions, and the application range is wider; after the electromagnetic valve is opened, the water flow drives the dirt on the surface layer of the filter element to be discharged from the drain outlet through the electromagnetic valve, so that backwashing is realized, and the water supply does not need to be stopped in the flushing process, so that the water supply device is very convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a partial enlarged view of the primary filter element and the secondary filter element of the present invention;
fig. 3 is a circuit control block diagram provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses can regularly wash and self-cleaning back flush, and possess the adjustable precision back flush microfiltration device of filter fineness regulatory function.
Referring to fig. 1-3, the present invention provides a backwash precision filter device with adjustable precision, comprising:
the filter comprises a shell, a filter assembly and a control assembly; wherein the filter assembly is mounted in the housing cavity and the control assembly is mounted on the housing;
the shell is cylindrical and is provided with a water inlet 14, a water outlet 15 and a sewage outlet 16 which are communicated with the inner cavity of the shell; the water inlet 14 is positioned at one end of the shell, and a first annular baffle 120 coaxial with the shell is attached and fixed at the end; the water outlet 15 and the sewage draining exit 16 are positioned on the side wall close to the other end of the shell; a second annular baffle 121 coaxial with the shell is fixed in the inner cavity of the shell between the water outlet 15 and the sewage discharge port 16;
the filter assembly comprises a primary filter element 20, a fixing plate 22, a secondary filter element 21, a transmission shaft 24 and a hand wheel 23; the primary filter element 20 is cylindrical and is arranged coaxially with the shell;
the two fixing plates 22 are arranged, shaft sleeves 220 are respectively fixed in through holes formed in the middle of the two fixing plates, and at least one of the two shaft sleeves 220 is provided with internal threads; the two fixing plates 22 are respectively fixed at two ends of the primary filter element 20, the outer peripheral sides of the two fixing plates are respectively attached to the inner annular walls of the first annular baffle plate 120 and the second annular baffle plate 121 in a sealing and sliding manner, and the two fixing plates 22 are limited to move only along the axial direction of the shell; the fixing plate 22 matched with the first annular baffle 120 is provided with a water flowing hole;
the second-stage filter element 21 is sleeved outside the first-stage filter element 20, a cavity is formed between the second-stage filter element and the inner wall of the shell, and two ends of the second-stage filter element are fixed to the inner edges of the first annular baffle plate 120 and the second annular baffle plate 121 respectively;
the transmission shaft 24 is provided with external threads matched with the shaft sleeves 220, the two shaft sleeves 220 are respectively sleeved at the two ends of the transmission shaft 24, and the transmission shaft 24 is rotated to drive the two fixing plates 22 and the primary filter element 20 to move axially along the transmission shaft 24; one end of the transmission shaft 24 penetrates through the corresponding shell wall and is fixed with the hand wheel 23, and the other end is provided with a bearing which is fixedly embedded and arranged on the opposite shell inner wall.
In order to further optimize the above technical solution, the first annular baffle 120, the second annular baffle 121 and the fixed plate 22 are provided with slide rails and slide blocks for limiting the axial movement position of the fixed plate 22 along the primary filter element 20.
In order to further optimize the above technical solution, the housing comprises a main housing 10, a front cover plate 11 and a rear cover plate 13; the main housing 10 is cylindrical and has openings at both ends; the front cover plate 11 is fixed at one end of the main shell body 10, and the rear cover plate 13 is detachably fixed at the other end of the main shell body 10 to form an inner cavity.
In order to further optimize the technical scheme, the front cover plate 11 is provided with a water inlet 14 on the outer side surface of the inner cavity, a first annular baffle 120 is fixed on the inner side surface, and a water outlet 15 and a sewage outlet 16 are arranged on the outer wall of the main shell 10; a second annular baffle 121 coaxial with the main housing 10 is fixed in the inner cavity between the water outlet 15 and the sewage discharge outlet 16.
In order to further optimize the above technical solution, a cavity is present between the secondary filter element 21 and the inner wall of the main housing 10.
In order to further optimize the technical scheme, one end of the transmission shaft 24 penetrates through the rear cover plate 13 and is fixed with the hand wheel 23, and the other end of the transmission shaft is provided with a bearing which is fixedly embedded and arranged on one side of the front cover plate 11 in the inner cavity.
In order to further optimize the above technical solution, a groove is provided on one side of the first annular baffle 120, which is attached to the second-stage filter element 21, and the second-stage filter element 21 is fixedly embedded in the groove.
In order to further optimize the above technical solution, a sealing ring 130 adapted to the transmission shaft 24 is fixed on one side of the rear cover plate 13 outside the inner cavity and is sleeved on the transmission shaft 24.
In order to further optimize the technical scheme, the control assembly comprises an operation panel 30, a PLC (programmable logic controller) 31, a timing controller 32, an electromagnetic valve 33, a pressure difference controller 34 and a pressure sensor 35;
two pressure sensors 35 are arranged and respectively fixed on the water inlet 14 and the water outlet 15; the electromagnetic valve 33 is arranged on the fixing plate 22 which is in fit sealing with the second annular baffle plate 121; the solenoid valve 33, the pressure difference controller 34, the timing controller 32 and the operation panel 30 are electrically connected to the PLC controller 31, and the two pressure sensors 35 are electrically connected to the pressure difference controller 34.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An adjustable precision backwash microfiltration device comprising: the filter comprises a shell, a filter assembly and a control assembly; wherein the filter assembly is mounted in the housing cavity and the control assembly is mounted on the housing; it is characterized in that the preparation method is characterized in that,
the shell is cylindrical and is provided with a water inlet (14), a water outlet (15) and a sewage outlet (16) which are communicated with the inner cavity of the shell; the water inlet (14) is positioned at one end of the shell, and a first annular baffle (120) coaxial with the shell is fixedly attached to the end of the shell; the water outlet (15) and the sewage draining outlet (16) are positioned on the side wall close to the other end of the shell; a second annular baffle (121) coaxial with the shell is fixed in the inner cavity of the shell between the water outlet (15) and the sewage outlet (16);
the filter assembly comprises a primary filter element (20), a fixing plate (22), a secondary filter element (21), a transmission shaft (24) and a hand wheel (23); the primary filter element (20) is cylindrical and is arranged coaxially with the shell;
the number of the fixing plates (22) is two, shaft sleeves (220) are respectively fixed in through holes formed in the middle of the fixing plates, and at least one of the two shaft sleeves (220) is provided with an internal thread; the two fixing plates (22) are respectively fixed at two ends of the primary filter element (20), the outer peripheral sides of the two fixing plates are respectively attached to the inner annular walls of the first annular baffle plate (120) and the second annular baffle plate (121) in a sealing and sliding way, and the two fixing plates (22) are limited to move only along the axial direction of the shell; a water flowing hole is formed in the fixing plate (22) matched with the first annular baffle (120);
the secondary filter element (21) is sleeved outside the primary filter element (20) and has a cavity with the inner wall of the shell, and two ends of the secondary filter element are respectively fixed with the inner edges of the first annular baffle plate (120) and the second annular baffle plate (121);
the transmission shaft (24) is provided with external threads matched with the shaft sleeves (220), the two shaft sleeves (220) are respectively sleeved at two ends of the transmission shaft (24), and the transmission shaft (24) is rotated to drive the two fixing plates (22) and the primary filter element (20) to move axially along the transmission shaft (24); one end of the transmission shaft (24) penetrates through the corresponding shell wall and the hand wheel (23) is fixed at the end, and the other end is provided with a bearing which is fixedly embedded and installed on the opposite shell inner wall.
2. An adjustable precision backwash microfiltration device according to claim 1 wherein the housing comprises a main housing (10), a front cover plate (11) and a rear cover plate (13); the main shell (10) is cylindrical and two ends of the main shell are open; the front cover plate (11) is fixed at one end of the main shell (10), and the rear cover plate (13) is detachably fixed at the other end of the main shell (10) to form an inner cavity.
3. The backwashing precise filtering device of claim 2, wherein the front cover plate (11) is provided with the water inlet (14) on the outer side surface of the inner cavity, the first annular baffle (120) is fixed on the inner side surface, and the outer wall of the main shell (10) is provided with the water outlet (15) and the sewage outlet (16); a second annular baffle (121) coaxial with the main shell (10) is fixed in the inner cavity between the water outlet (15) and the sewage draining outlet (16).
4. An adjustable precision backflush microfiltration device according to claim 3 wherein a cavity is present between the secondary filter element (21) and the inner wall of the main housing (10).
5. The backwash precision filter device with the adjustable precision as claimed in claim 2, wherein one end of the transmission shaft (24) penetrates through the back cover plate (13) and is fixed with the hand wheel (23) at the end, and the other end is provided with a bearing which is fixedly embedded and arranged at one side of the front cover plate (11) in the inner cavity.
6. The backwash precision filter device with the adjustable precision as claimed in claim 3, wherein a groove is arranged on one side of the first annular baffle plate (120) which is jointed with the secondary filter element (21), and the secondary filter element (21) is fixedly embedded in the groove.
7. The backwash precision filter device with adjustable precision as claimed in claim 2, characterized in that the rear cover plate (13) is fixed with a sealing ring (130) matched with the transmission shaft (24) at one side outside the inner cavity and is sleeved on the transmission shaft (24).
8. The backwash precision filter device as claimed in any one of the claims 1-7, wherein the control assembly comprises an operation panel (30), a PLC controller (31), a timing controller (32), a solenoid valve (33), a pressure difference controller (34) and a pressure sensor (35);
two pressure sensors (35) are arranged and respectively fixed on the water inlet (14) and the water outlet (15); the electromagnetic valve (33) is arranged on a fixing plate (22) which is in fit sealing with the second annular baffle plate (121); the electromagnetic valve (33), the pressure difference controller (34), the timing controller (32) and the operation panel (30) are electrically connected with the PLC (31), and the two pressure sensors (35) are electrically connected with the pressure difference controller (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920793026.4U CN210356224U (en) | 2019-05-29 | 2019-05-29 | Back-washing precise filtering device with adjustable precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920793026.4U CN210356224U (en) | 2019-05-29 | 2019-05-29 | Back-washing precise filtering device with adjustable precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210356224U true CN210356224U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920793026.4U Active CN210356224U (en) | 2019-05-29 | 2019-05-29 | Back-washing precise filtering device with adjustable precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210356224U (en) |
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2019
- 2019-05-29 CN CN201920793026.4U patent/CN210356224U/en active Active
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