CN214513199U - Sewage treatment membrane biological reaction preprocessing device - Google Patents
Sewage treatment membrane biological reaction preprocessing device Download PDFInfo
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- CN214513199U CN214513199U CN202023342893.8U CN202023342893U CN214513199U CN 214513199 U CN214513199 U CN 214513199U CN 202023342893 U CN202023342893 U CN 202023342893U CN 214513199 U CN214513199 U CN 214513199U
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Abstract
The utility model relates to a water treatment technical field, concretely relates to sewage treatment membrane bioreaction preprocessing device, including first processing portion and second processing portion, first processing portion intercommunication has the inlet tube, is equipped with first filter sieve in the first processing portion, and first filter sieve and first processing portion sliding connection, the intercommunication has the water pipe between first processing portion and the second processing portion, is equipped with the second filter sieve in the second processing portion, and the second filter sieve is last to be equipped with the brush that is used for clean second filter sieve, and second processing portion intercommunication has the outlet pipe. An object of the utility model is to provide a sewage treatment membrane bioreaction preprocessing device can solve the grid filter screen and be stopped up easily by granule fibre etc. and reduce the problem of pretreatment efficiency.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to a sewage treatment membrane bioreaction pretreatment device.
Background
The membrane bioreactor is a new sewage and wastewater treatment device formed by combining an ultrafiltration membrane separation technology and a microfiltration membrane separation technology with a bioreactor in sewage treatment, and integrates the advantages of the membrane treatment technology and the biological treatment technology. In the field of sewage treatment, the membrane bioreactor is widely applied due to the characteristics of good water quality, small occupied area, high automation degree and the like.
The sewage often contains a large amount of impurities, in order to ensure the normal operation of the membrane bioreactor, impurities such as various fibers, slag, waste paper and the like must be intercepted outside the system, and because gravel substances can scratch a filter layer on the surface of membrane filaments under the aeration condition, the fiber substances can be wound on the membrane filaments to cause the surface of the membrane filaments to accumulate mud, a pretreatment unit must be arranged at the front end of the membrane bioreactor.
The pretreatment unit of the existing common membrane bioreactor is usually a multi-stage filtration pretreatment unit consisting of a coarse grid, a fine grid, a grit chamber and a fine grid, and particles and fibrous substances in wastewater are removed through a grid filter screen to realize pretreatment of the wastewater. However, these pretreatment units have long flow, large floor area and low treatment efficiency, and after the pretreatment units are used for a period of time, the pretreatment efficiency is easily reduced because the grid filter screen is blocked by particle fibers and the like, so that the membrane bioreactor at the later stage is damaged by sand and fibers, the water treatment effect is influenced, and the economic cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage treatment membrane bioreaction preprocessing device can solve the grid filter screen and be stopped up easily by granule fibre etc. and reduce the problem of pretreatment efficiency.
In order to achieve the above purpose, the basic scheme of the utility model is as follows:
sewage treatment membrane biological reaction preprocessing device, including first processing portion and second processing portion, first processing portion intercommunication has the inlet tube, be equipped with first filter sieve in the first processing portion, first filter sieve and first processing portion sliding connection, the intercommunication has the water pipe between first processing portion and the second processing portion, be equipped with the second filter sieve in the second processing portion, be equipped with the brush that is used for clean second filter sieve on the second filter sieve, second processing portion intercommunication has the outlet pipe.
The working principle of the scheme is as follows:
sewage gets into first processing portion from the inlet tube, filters through first filter sieve, holds back down great grit, waste paper, debris such as fibre in the sewage, and the sewage that filters through the water pipe through the first time gets into second processing portion, holds back down debris such as less grit, sediment under the filter action of second filter sieve, and the sewage after the filter is clean gets into membrane bioreactor and handles.
The beneficial effect of this scheme is:
1. the first filter sieve is arranged, so that the sewage can be roughly filtered, and larger impurities in the sewage can be intercepted; first filter sieve and first processing portion sliding connection can make first filter sieve slide along first processing portion, can prevent effectively that debris from blockking up the sieve mesh of first filter sieve, perhaps caking, agglomeration on first filter sieve from influencing the filter effect.
2. The second filter sieve is arranged, so that the sewage can be further finely filtered, and smaller impurities in the sewage can be further intercepted, so that the filtered sewage does not contain the impurities damaging the membrane bioreactor, the service life of the membrane bioreactor is prolonged, and the sewage treatment efficiency is improved.
3. The brush for cleaning the second filter sieve is arranged, so that substances such as sand, fiber and the like adhered to the surface of the second filter sieve can be brushed off, the second filter sieve is kept smooth, a subsequent membrane bioreactor is better protected, and the filtering effect is improved.
Further, be equipped with first motor on the first processing portion, first processing portion internal fixation is equipped with the boss, the one end of fixedly connected with spring on the boss, the other end of spring is connected with first filter sieve, be equipped with first connecting rod on the first filter sieve, be equipped with the spout that holds first connecting rod in the first processing portion, it has the second connecting rod to articulate on the first connecting rod, it has the third connecting rod to articulate on the second connecting rod, the output shaft fixed connection of third connecting rod and first motor.
First filter sieve is placed on the spring of boss, and with first processing portion sliding connection, can maintain the state of constantly vibrating under the effect of spring and third connecting rod. After the first motor is started, the output shaft of the first motor rotates, the third connecting rod fixedly connected with the first motor starts to rotate, the second connecting rod hinged with the third connecting rod is driven to rotate, and the third connecting rod moves in the sliding groove under the driving of the second connecting rod, so that the vibration state of the first filter sieve is maintained.
Further, a second motor is arranged on the second processing portion, a rotating shaft is fixedly connected to an output shaft of the second motor, and a brush for cleaning the second filter screen is fixedly connected to the rotating shaft.
After the second motor is started, the output shaft of the second motor rotates to drive the rotating shaft to rotate, the brush located on the rotating shaft starts to rotate, and the effect of cleaning the second filter screen is achieved.
Furthermore, an included angle of 5-20 degrees is formed between the first filter screen and the horizontal plane.
An included angle is personally submitted with the level to first filter sieve, makes first filter sieve keep at the tilt state, can make debris under the first filter sieve interception remove along with gravity, effectively prevents that debris from blockking up the mesh of first filter sieve, improves the filter effect.
Furthermore, a cleaning port is arranged on the first processor close to the lower end of the first filter screen.
A cleaning port is formed in the first processor close to the lower end of the first filter screen, so that sundries intercepted on the first filter screen can be cleaned conveniently.
Further, an observation window is arranged at the cleaning port.
Set up the observation window and be convenient for observe the clearance mouth and whether have debris to pile up, conveniently remind clearance debris, guarantee better filter effect.
Further, the aperture of the sieve pores of the second filter sieve is smaller than that of the sieve pores of the first filter sieve.
The aperture of the second filter sieve is smaller than that of the first filter sieve, so that fine filtration can be further performed, the filtering effect is further improved, and the subsequent membrane bioreactor is better protected.
Furthermore, a first backwashing water inlet and a first backwashing water outlet are formed in the first processor.
The first backwashing water inlet and the first backwashing water outlet are arranged to backwash the first processor, so that adhered stubborn sundries on the first filter screen can be conveniently removed, the service life of the first filter screen is prolonged, the filtering effect is improved, and a subsequent membrane bioreactor is better protected.
Furthermore, a second backwashing water inlet and a second backwashing water outlet are formed in the second processor.
The second backwashing water inlet and the second backwashing water outlet are arranged to backwash the second processor, so that stubborn sundries attached to the second filter screen can be conveniently removed, the service life of the second filter screen is prolonged, the filtering effect is improved, and a subsequent membrane bioreactor is better protected.
Drawings
FIG. 1 is a schematic front view of an embodiment 1 of a biological reaction pretreatment device for a sewage treatment membrane of the present invention;
FIG. 2 is a schematic front view of an embodiment 2 of the biological reaction pretreatment device for sewage treatment membranes of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a first treatment part 1, a first filter sieve 11, a first motor 12, a boss 13, a spring 14, a first connecting rod 15, a second connecting rod 16, a third connecting rod 17, a sliding groove 18, a cleaning opening 19, a cleaning door 190, an observation window 1901, a second treatment part 2, a second filter sieve 21, a second motor 22, a rotating shaft 23, a brush 24, a water inlet pipe 3, a water pipe 4, a water outlet pipe 5, a first backwashing water inlet 6, a first backwashing water outlet 7, a second backwashing water inlet 8 and a second backwashing water outlet 9.
Example 1
As shown in figure 1, the sewage treatment membrane biological reaction pretreatment device comprises a first treatment part 1 and a second treatment part 2, wherein the upper part of the first treatment part 1 is communicated with a water inlet pipe 3 with a water valve through a flange, the lower part of the first treatment part 1 is communicated with one end of a water pipe 4 with the water valve through a flange, the other end of the water pipe 4 is communicated with the second treatment part 2 through a flange, and the lower part of the second treatment part 2 is communicated with a water outlet pipe 5 with a water valve through a flange.
The second motor 22 is installed at the top of the second processing portion 2 through a base and screws, a rotating shaft 23 is fixedly connected to an output shaft of the second motor 22 through a coupler, a brush 24 is welded to the rotating shaft 23, a second filter sieve 21 is fixedly arranged below the brush 24 in a clinging mode, and the second filter sieve 21 is fixedly installed on the second processing portion 2 through a buckle and screws. The apertures of the mesh openings of the second filter screen 21 are smaller than the apertures of the mesh openings of the first filter screen 11.
A first backwashing water inlet 6 with a water valve and a first backwashing water outlet 7 with a water valve are fixedly arranged on the first processing part 1 through flanges, and a second backwashing water inlet 8 with a water valve and a second backwashing water outlet 9 with a water valve are fixedly arranged on the second processing part 2 through flanges.
The specific implementation process is as follows:
the water valve of the water inlet pipe 3 and the water valve of the water pipe 4 are opened, the first motor 12 is started, sewage enters the first treatment part 1 from the water inlet pipe 3, impurities such as large gravels, waste paper and fibers in the sewage are screened out through the first filter sieve 11, after the first motor 12 is started, the output shaft of the first motor 12 starts to rotate and drives the third connecting rod 17 to rotate, the third connecting rod 17 drives the second connecting rod 16 to rotate, and under the action of the second connecting rod 16, the first connecting rod 15 slides up and down along the chute 18, so that the first filter sieve 11 fixedly connected with the first connecting rod 15 vibrates up and down. The spring 14 below the first filter sieve 11 provides the first filter sieve 11 with supporting force and elasticity, so that the first filter sieve 11 maintains a vibration state, and the first filter sieve 11 is obliquely arranged, thereby effectively preventing impurities such as sand, waste paper and fiber from blocking the first filter sieve 11 and improving the filtering effect.
The sewage filtered by the first filter sieve 11 enters the second treatment part 2 through the water pipe 4, impurities such as small sand, slag and the like are intercepted under the filtering action of the second filter sieve 21, and the filtered sewage enters the membrane bioreactor for treatment through the water outlet pipe 5.
When the surface of the second filter screen 21 needs to be cleaned, the second motor 22 is started, the output shaft of the second motor 22 rotates to drive the rotating shaft 23 to rotate, the brush 24 also starts to rotate, stubborn sundries attached to the second filter screen 21 are brushed away, the second filter screen 21 is prevented from being blocked, and the filtering effect of the second filter screen 21 is improved.
When the first treatment part 1 needs to be backwashed, the water valves of the water inlet pipe 3 and the water pipe 4 are closed, the water valves of the first backwashing water inlet 6 and the first backwashing water outlet 7 are opened, and the first treatment part 1 is backwashed by using concentrated water, so that the filtering effect of the first filtering sieve 11 is improved.
When the second treatment part 2 needs to be backwashed, the water valves of the water pipe 4 and the water outlet pipe 5 are closed, the water valves of the second backwashing water inlet 8 and the second backwashing water outlet 9 are opened, and the second treatment part 2 is backwashed by using the concentrated water, so that the filtering effect of the second filtering screen 21 is improved.
The utility model has the advantages of also can make up the operation as required during the use, reach better filter effect, this scheme simple structure, convenient operation makes and does not contain the debris that harm membrane bioreactor in the sewage after filtering, prolongs membrane bioreactor's life, improves subsequent sewage treatment efficiency.
Example 2
As shown in fig. 2 and 3, in the pretreatment apparatus for biological reaction of sewage treatment membrane of embodiment 2, on the basis of embodiment 1, a cleaning opening 19 is formed in a first processor 1 near a lower end of a first filter sieve 11, a cleaning door 190 is mounted at the cleaning opening 19 through a hinge, an observation window 1901 is adhered to the cleaning door 190, and a rubber sealing layer is adhered to a joint of the cleaning door 190 and the cleaning opening 19.
Whether the cleaning opening 19 is accumulated with sundries and the quantity of accumulated sundries can be observed through the observation window 1901, when the sundries in the first processor 1 need to be cleaned, the cleaning door 190 at the cleaning opening 19 is opened, the sundries are cleaned and then closed, the working efficiency of the first filter sieve 11 can be further improved, and the subsequent membrane bioreactor can be better protected.
The rest of the structure and the operation principle of the embodiment 2 are the same as those of the embodiment 1.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the structure of the present invention, several variants and modifications can be made, such as changing the vibrating structure of the first filtering screen, changing the cleaning structure of the second filtering screen, etc., which should also be considered as the scope of protection of the present invention, and these do not affect the effectiveness of the implementation of the present invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. Sewage treatment membrane biological reaction preprocessing device, including first processing portion and second processing portion, its characterized in that: the water filter comprises a first processing portion and a second processing portion, and is characterized in that the first processing portion is communicated with a water inlet pipe, a first filter sieve is arranged in the first processing portion and is connected with the first processing portion in a sliding mode, a water pipe is communicated between the first processing portion and the second processing portion, a second filter sieve is arranged in the second processing portion, a brush used for cleaning the second filter sieve is arranged on the second filter sieve, and a water outlet pipe is communicated with the second processing portion.
2. The membrane biological reaction pretreatment device for sewage treatment according to claim 1, characterized in that: the improved filter screen is characterized in that a first motor is arranged on the first processing portion, a boss is fixedly arranged in the first processing portion, one end of a spring is fixedly connected to the boss, the other end of the spring is connected with a first filter screen, a first connecting rod is arranged on the first filter screen, a sliding groove for accommodating the first connecting rod is formed in the first processing portion, a second connecting rod is hinged to the first connecting rod, a third connecting rod is hinged to the second connecting rod, and the third connecting rod is fixedly connected with an output shaft of the first motor.
3. The membrane biological reaction pretreatment device for sewage treatment according to claim 2, characterized in that: the second processing part is provided with a second motor, an output shaft of the second motor is fixedly connected with a rotating shaft, and a brush for cleaning the second filter screen is fixedly connected to the rotating shaft.
4. The membrane biological reaction pretreatment device for sewage treatment according to claim 1, characterized in that: the first filter sieve and the horizontal plane form an included angle of 5-20 degrees.
5. The membrane biological reaction pretreatment device for sewage treatment according to claim 4, characterized in that: and a cleaning port is arranged on the first processor close to the lower end of the first filter sieve.
6. The membrane biological reaction pretreatment device for sewage treatment according to claim 5, characterized in that: an observation window is arranged at the cleaning port.
7. The membrane biological reaction pretreatment device for sewage treatment according to claim 1, characterized in that: the aperture of the sieve pores of the second filter sieve is smaller than that of the sieve pores of the first filter sieve.
8. The membrane biological reaction pretreatment device for sewage treatment according to claim 1, characterized in that: the first treatment part is provided with a first backwashing water inlet and a first backwashing water outlet.
9. The membrane biological reaction pretreatment device for sewage treatment according to claim 1, characterized in that: and a second backwashing water inlet and a second backwashing water outlet are formed in the second treatment part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342893.8U CN214513199U (en) | 2020-12-31 | 2020-12-31 | Sewage treatment membrane biological reaction preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342893.8U CN214513199U (en) | 2020-12-31 | 2020-12-31 | Sewage treatment membrane biological reaction preprocessing device |
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| Publication Number | Publication Date |
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| CN214513199U true CN214513199U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023342893.8U Active CN214513199U (en) | 2020-12-31 | 2020-12-31 | Sewage treatment membrane biological reaction preprocessing device |
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| CN (1) | CN214513199U (en) |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221017 Address after: Room 2301, Unit 1, 23rd Floor, Building A, Shuiqingmuhua Boutique Community, No. 66, Nanhu South Road, Shuimogou District, Urumqi, 830000 Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Shengshi Goldman Sachs Environmental Engineering Technology Co.,Ltd. Address before: Room 9, District 1, 8 / F, building 2, qinjun, No. 499, Weixing Road, economic and Technological Development Zone, Urumqi, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG QIANGDA KAICHUANG INFORMATION TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |