CN207575906U - Differential pressure filter - Google Patents
Differential pressure filter Download PDFInfo
- Publication number
- CN207575906U CN207575906U CN201721600087.1U CN201721600087U CN207575906U CN 207575906 U CN207575906 U CN 207575906U CN 201721600087 U CN201721600087 U CN 201721600087U CN 207575906 U CN207575906 U CN 207575906U
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- CN
- China
- Prior art keywords
- strainer
- housing
- hairbrush
- mounting bracket
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This disclosure relates to a kind of differential pressure filter, including housing (1), the strainer (2) being arranged in the housing (1), transmission shaft (3) and mounting bracket (6), the housing (1) and the strainer (2) are cylindrical, one end of the housing (1) is formed with water inlet (4), water outlet (5) is formed on the side wall of the housing (1), the transmission shaft (3) and the strainer (2) are coaxially disposed with the housing (1), the mounting bracket (6) is on the transmission shaft (3), the hairbrush (7) for cleaning the strainer (2) is provided on the mounting bracket (6), elastic component (8) is provided between the mounting bracket (6) and the hairbrush (7), with by the hairbrush (7) fexible bias pressure on the strainer (2).It by setting elastic component between mounting bracket and hairbrush, can ensure that hairbrush contacts always with strainer, so as to improve cleaning performance of the hairbrush to strainer inner surface, and then promote water quality.
Description
Technical field
A kind of this disclosure relates to water treatment field, and in particular, to differential pressure filter.
Background technology
The technique of the industries such as steel medicine, chemical industry, cement, power plant (steam power plant), civil buildings and Large Water Works is used
Water, it usually needs reach very high purity requirement, can just be used after reaching relevant standard.But often contain in water water source
There are the impurity such as a large amount of suspended matter, particulate matter, colloid and silt, influence water quality.It is used if without processing, it can be tight
Ghost image rings industrial product quality and safe to use.
Currently for such issues that, the method that generally uses is using traditional differential pressure filter, can pass through equipment
Internal strainer removes the contaminant filter in water, by the water application to production technology after filtering, and can be according to system
Preset intake-outlet pressure difference value automatically backwashes internal screen, can achieve the effect that certain.But
There is also the deficiencies of following aspect in the prior art：
1st, strainer filtering efficiency is low, and water outlet precision is low, and it is slow to cross water flow velocity；
2nd, internal hairbrush cleaning dynamics are insufficient, it is impossible to which high-efficiency cleaning strainer causes backwash to be not thorough, and reduces equipment and uses the longevity
Life；
3rd, equipment poor sealing, for a long time using will appear drainage etc..
Utility model content
The purpose of the disclosure is to provide a kind of differential pressure filter, and the differential pressure filter is good to the cleaning performance of strainer.
To achieve these goals, the disclosure provides a kind of differential pressure filter, including housing, is arranged in the housing
Strainer, transmission shaft and mounting bracket, the housing and the strainer are cylindrical, and one end of the housing is formed with water inlet, institute
It states and water outlet is formed on the side wall of housing, the transmission shaft and the strainer are coaxially disposed with housing, the mounting bracket peace
On the transmission shaft, the hairbrush for cleaning the strainer, the mounting bracket and the hair are provided on the mounting bracket
Elastic component is provided between brush, by the hairbrush fexible bias pressure on the strainer.
Optionally, it is three that the mounting bracket is provided at circumferentially spaced along the transmission shaft, is set on each mounting bracket
There are one the hairbrush, three hairbrush are separately positioned on the upper, middle and lower of the respective mounting bracket.
Optionally, fixing device is provided in the housing, the fixing device is located at one end where the water inlet,
One end installation of the strainer is on the securing means.
Optionally, the housing is formed with connecting flange far from described water inlet one end, the outside installation of the connecting flange
There is blank flange, blow-off pipe is provided on the blank flange.
Optionally, it is provided with switch valve on the blow-off pipe.
Optionally, the transmission shaft passes through the blank flange, is provided between the transmission shaft and the blank flange
Double O-shaped washers.
Optionally, the transmission shaft is connect across the blank flange with motor.
Optionally, the differential pressure filter further includes the first hydraulic pressure sensor for being arranged on the water inlet and is arranged on institute
State the second hydraulic pressure sensor and controller of water outlet, first hydraulic pressure sensor and second hydraulic pressure sensor point
It is not electrically connected with the controller, the controller is electrically connected with the motor, and the controller is used for according to first water
Motor start and stop described in the hydraulic pressure control that pressure sensor and second hydraulic pressure sensor detect.
Through the above technical solutions, set elastic component between mounting bracket and hairbrush, can ensure hairbrush always with strainer
Contact so as to improve cleaning performance of the hairbrush to strainer inner surface, and then promotes water quality.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure, but do not form the limitation to the disclosure together.In the accompanying drawings：
Fig. 1 is the structure diagram according to the differential pressure filter of one illustrative embodiments of the disclosure；
Fig. 2 is according to the partial enlarged view in the A portions of the differential pressure filter of one illustrative embodiments of the disclosure in Fig. 1；
Fig. 3 is according to the mounting bracket and Clean Brush for cleaning of the differential pressure filter of one illustrative embodiments of the disclosure in Fig. 1
The vertical view in B-B directions.
Reference sign
1 housing, 2 strainer
3 transmission shaft, 4 water inlet
5 water outlet, 6 mounting bracket
7 hairbrush, 8 elastic component
9 fixing device, 10 connecting flange
11 blank flange, 12 blow-off pipe
The 13 O-shaped washers of switch valve 14 pairs
15 motor, 16 controller
Specific embodiment
The specific embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the case where not making to illustrate on the contrary, the noun of locality that uses such as " upper and lower, left and right " be typically with
It is defined on the basis of the page of respective drawings, " inside and outside " refers to the inner and outer of corresponding component profile.
Present disclose provides a kind of differential pressure filter, as shown in Figure 1, including housing 1, be arranged on strainer 2 in housing 1,
Transmission shaft 3 and mounting bracket 6, housing 1 and strainer 2 are cylindrical, and one end of housing 1 is formed with water inlet 4, on the side wall of housing 1
Water outlet 5 is formed with, transmission shaft 3 and strainer 2 are coaxially disposed with housing 1, and mounting bracket 6 is mounted on transmission shaft 3, mounting bracket 6
On be provided with hairbrush 7 for cleaning strainer 2, elastic component 8 is provided between mounting bracket 6 and hairbrush 7, by 7 elasticity of hairbrush partially
It is pressed on strainer 2.Specifically, as shown in Fig. 2, the elastic component 8 can be can be along the spring of the radial expansion of transmission shaft 3.
At work, water to be filtered is flowed by water inlet 4 in the housing 1 of differential pressure filter, across after strainer 2, by going out
The mouth of a river 5 is discharged, so as to complete water treatment procedure.After the water treatment procedure for carrying out a period of time, the impurity in water is attached to filter
On net 2, thus need to carry out backwash to strainer 2.In backwash process, on the one hand, water flows into housing 1 and to strainer 2 by water outlet 5
Ecto-entad is rinsed；On the other hand, rotating drive shaft 3, so as to which mounting bracket 6 and hairbrush 7 be driven to rotate, so that hairbrush 7 is right
The inner surface of strainer 2 is scrubbed, and by setting spring between mounting bracket 6 and hairbrush 7, can pass through the elastic force of radial direction
Hairbrush 7 is fitted in always on the inner surface of strainer 2, so as to ensure cleaning performance of the hairbrush 7 to strainer 2.
Optionally, in the present embodiment, as shown in figures 1 and 3, it is three that mounting bracket 6 is provided at circumferentially spaced along transmission shaft 3
A, i.e., the radial direction angle between each mounting bracket 6 is 120 °, and hairbrush 7, three hairbrush 7 to divide there are one settings on each mounting bracket 6
It is not arranged on the upper, middle and lower of respective mounting bracket 6.It is separately mounted to respective 6 upper, middle and lower of mounting bracket
The length of strainer 2 can be completely covered in hairbrush 7 in the longitudinal direction, thus the entire inner surface of strainer 2 is carried out after rotation
Scrub, and rotate flexibly, operation is efficient.
Optionally, in the present embodiment, fixing device 9 can be provided in housing 1, which is located at into water
One end where mouth 4, one end of strainer 2 are mounted in fixing device 9.The installation that strainer 2 can be stablized by fixing device 9
In housing 1, and when by water impact fix strainer 2 position, ensure filter effect.
Optionally, in the present embodiment, housing 1 is formed with connecting flange 10 far from 4 one end of water inlet, the connecting flange
10 outside is equipped with blank flange 11, and blow-off pipe 12 is provided on the blank flange 11.Specifically, it is provided on blow-off pipe 12
Switch valve 13.In backwash, water is entered housing 1 by water outlet 5 and strainer 2 is rinsed, and turns on the switch valve 13 at this time, passes through
Blow-off pipe 12 is set on blank flange 11, it can be by the sewage discharger of flushing filtering net in backwash process 2, so as to avoid dirt
Contaminate water inlet 4.
Optionally, in the present embodiment, transmission shaft 3 passes through blank flange 11, is set between transmission shaft 3 and blank flange 11
It is equipped with double O-shaped washers 14.Specifically, the groove radially extended is formed on blank flange 11, it is recessed that double O-shaped washers 14 are arranged on this
In slot, and it is made of waterproof material.By setting double O-shaped washers 14 between transmission shaft 3 and blank flange 11, can ensure to press
The sealing effect of poor filter.
Optionally, in the present embodiment, transmission shaft 3 is connect across blank flange 11 with motor 15.Specifically, pressure difference mistake
Filter can also include being arranged on the first hydraulic pressure sensor of water inlet 4 and be arranged on the second hydraulic pressure sensor of water outlet 5, with
And controller 16, the first hydraulic pressure sensor and the second hydraulic pressure sensor are electrically connected respectively with controller 16, controller 16 and motor
15 electrical connections, controller 16 are used for the hydraulic pressure control motor 15 detected according to the first hydraulic pressure sensor and the second hydraulic pressure sensor
Start and stop.
In water treatment procedure, pending water is flowed by water inlet 4, and is flowed out across strainer 2 by water outlet 5, strainer 2
Impurity in water is intercepted.After a period of time, impurity is deposited on strainer 2, and flow is caused to block, so as to cause 2 liang of strainer
Side, i.e. water inlet 4 and water outlet 5 generate pressure difference, at this point, the pressure that the first hydraulic pressure sensor and the second hydraulic pressure sensor will monitor
Force signal feeds back to controller 16, and when pressure difference reaches predetermined value, one side controller 16 controls 15 rotating drive shaft 3 of motor,
And then rotating brush 7 scrubs 2 inner surface of strainer；On the other hand, controller 16 controls the water (flow) direction of differential pressure filter,
Start backwash process.By setting the first hydraulic pressure sensor, the second hydraulic pressure sensor and controller 16, differential filter can be realized
The automatic back-washing of device improves cleaning efficiency, ensures the water quality after water process.
To sum up, present disclose provides a kind of differential pressure filter, which passes through 6 He of mounting bracket on the rotating shaft
Spring between hairbrush 7 is set, and mounting bracket 6 and hairbrush 7 be respectively set to radial direction angle is 120 ° three, is enabled to
Effective cleaning of the hairbrush 7 to 2 inner surface of strainer, and double O-shaped washers of waterproof are set between blank flange 11 and transmission shaft 3
14, it ensure that the leakproofness of device.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought should equally be considered as disclosure disclosure of that.
Claims (8)
1. a kind of differential pressure filter, including housing (1), strainer (2), transmission shaft (3) and the installation being arranged in the housing (1)
Frame (6), the housing (1) and the strainer (2) are cylindrical, and one end of the housing (1) is formed with water inlet (4), described
Water outlet (5) is formed on the side wall of housing (1), the transmission shaft (3) and the strainer (2) are coaxial with the housing (1)
Setting, the mounting bracket (6) are provided with to clean the strainer on the mounting bracket (6) on the transmission shaft (3)
(2) hairbrush (7), which is characterized in that elastic component (8) is provided between the mounting bracket (6) and the hairbrush (7), by institute
Hairbrush (7) fexible bias pressure is stated on the strainer (2).
2. differential pressure filter according to claim 1, which is characterized in that the mounting bracket (6) is all along the transmission shaft (3)
To being set to three, there are one the hairbrush (7) for setting on each mounting bracket (6), and three hairbrush (7) are respectively
It is arranged on the upper, middle and lower of the respective mounting bracket (6).
3. differential pressure filter according to claim 2, which is characterized in that be provided with fixing device in the housing (1)
(9), the fixing device (9) is mounted on fixed fill positioned at one end where the water inlet (4), one end of the strainer (2)
It puts on (9).
4. differential pressure filter according to claim 1, which is characterized in that the housing (1) is far from the water inlet (4) one
End is formed with connecting flange (10), and blank flange (11), the blank flange (11) are equipped on the outside of the connecting flange (10)
On be provided with blow-off pipe (12).
5. differential pressure filter according to claim 4, which is characterized in that be provided with switch valve on the blow-off pipe (12)
(13)。
6. differential pressure filter according to claim 4, which is characterized in that the transmission shaft (3) is across the blank flange
(11), double O-shaped washers (14) are provided between the transmission shaft (3) and the blank flange (11).
7. differential pressure filter according to claim 4, which is characterized in that the transmission shaft (3) is across the blank flange
(11) it is connect with motor (15).
8. differential pressure filter according to claim 7, which is characterized in that the differential pressure filter further include be arranged on it is described
First hydraulic pressure sensor of water inlet (4) and the second hydraulic pressure sensor and controller for being arranged on the water outlet (5)
(16), first hydraulic pressure sensor and second hydraulic pressure sensor are electrically connected respectively with the controller (16), the control
Device (16) processed is electrically connected with the motor (15), and the controller (16) is for according to first hydraulic pressure sensor and described
Motor (15) start and stop described in the hydraulic pressure control that two hydraulic pressure sensors detect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721600087.1U CN207575906U (en) | 2017-11-24 | 2017-11-24 | Differential pressure filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721600087.1U CN207575906U (en) | 2017-11-24 | 2017-11-24 | Differential pressure filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207575906U true CN207575906U (en) | 2018-07-06 |
Family
ID=62733798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721600087.1U Expired - Fee Related CN207575906U (en) | 2017-11-24 | 2017-11-24 | Differential pressure filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207575906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389075A (en) * | 2020-04-03 | 2020-07-10 | 袁琦 | Sewage pretreatment discharging device |
| CN112237773A (en) * | 2020-11-17 | 2021-01-19 | 中石油大连液化天然气有限公司 | LNG receiving station sea water pump bearing cooling water filter |
-
2017
- 2017-11-24 CN CN201721600087.1U patent/CN207575906U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389075A (en) * | 2020-04-03 | 2020-07-10 | 袁琦 | Sewage pretreatment discharging device |
| CN111389075B (en) * | 2020-04-03 | 2021-01-05 | 杭州杭水市政工程有限公司 | Sewage pretreatment discharging device |
| CN112237773A (en) * | 2020-11-17 | 2021-01-19 | 中石油大连液化天然气有限公司 | LNG receiving station sea water pump bearing cooling water filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20211124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |