CN217498882U

CN217498882U - Pretreatment device for filtering wastewater containing solid-phase particles

Info

Publication number: CN217498882U
Application number: CN202220960969.3U
Authority: CN
Inventors: 王海涛; 张云晓; 王光祥; 杨振邦
Original assignee: Qingdao Fusion Photoelectric Technology Co Ltd
Current assignee: Qingdao Fusion Photoelectric Technology Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-09-27
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to a filter preprocessing device who contains solid particle waste water belongs to waste water preliminary treatment field, including the inlet tube, advance water piping connection hydrocyclone separation subassembly one end, the microfiltration membrane subassembly is connected to the hydrocyclone separation subassembly other end, and waste liquid outlet pipe is connected to hydrocyclone separation subassembly lower extreme. The utility model has the advantages of reasonable design, adopted hydrocyclone as main part filtration, hydrocyclone can effectual economizer's space, through a series of valves that set up on the device, also can realize more convenient, quick clearance and change to single part, what whole device only need be changed is the microfiltration filter core, has saved the use cost of device greatly, and rational in infrastructure simple and convenient, easily extensive the duplication.

Description

Pretreatment device for filtering wastewater containing solid-phase particles

Technical Field

The utility model relates to a filter preprocessing device who contains solid particle waste water belongs to the waste water preliminary treatment field.

Background

With the continuous development of science and technology, solid-liquid separation equipment develops rapidly in the aspects of structural form, separation efficiency, automation level, function integration, product quality and reliability. Many require higher and higher precision of the particle size of the solid particles in the slurry of the solid-liquid separation equipment. The common sewage pretreatment filtering device is an efficient filter such as a quartz sand filter, a manganese sand filter, a mechanical filter, a carbon steel filter and the like, and is generally used for efficiently filtering solid impurities in large-flow water. However, the above-mentioned filtering device has too large floor space or the filter filler and filter parts are expensive to replace, and there are many difficulties in cleaning and maintaining the device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a filter preprocessing device who contains solid phase granule waste water, this filter preprocessing device who contains solid phase granule waste water need not frequently to change a large amount of filter parts or packs, and takes up an area of the space less, and use cost is lower, and it is comparatively convenient, succinct to wash the part.

Filter preprocessing device that contains solid particle waste water, including the inlet tube, advance water piping connection hydrocyclone separation subassembly one end, the microfiltration membrane subassembly is connected to the hydrocyclone separation subassembly other end, the waste liquid outlet pipe is connected to the microfiltration membrane subassembly connection hydrocyclone separation subassembly lower extreme.

When the device works, sewage enters the device through the water inlet pipe, primary filtration is firstly completed in the cyclone separation component, the cyclone separation component completes separation of large particles in the sewage, the sewage is separated into turbid liquid and clean liquid, the clean liquid enters the microfiltration membrane component, the microfiltration membrane component is further subjected to precise filtration, and the turbid liquid enters the waste liquid outlet pipe at the lower end of the cyclone separation component and is discharged through the waste liquid outlet pipe for independent treatment. The device occupies a small space, and the filter element material to be replaced is only the filter element material in the microfiltration membrane component, so that the use cost is greatly reduced.

Preferably, the hydrocyclone separation assembly comprises a first-stage hydrocyclone, a second-stage hydrocyclone and a third-stage hydrocyclone, the three are communicated through a reducer pipe, and the lower ends of the three are communicated with a waste liquid outlet pipe.

The hydrocyclone separation component comprises three sets of hydrocyclones which are communicated through a reducer pipe, sewage to be treated enters from an equipment inlet, firstly enters into a primary hydrocyclone, enters into an outer cylinder of the hydrocyclone at a certain flow velocity in a tangential direction, and firstly rotates at a certain angular velocity on the inner wall of the outer cylinder to flow downwards, particles in stock solution are subjected to centrifugal sedimentation, and larger particles rotate along the inner wall of the outer cylinder to settle, so that the stock solution is primarily purified. The primary purified stock solution enters the inner cylinder again in the tangential direction; rotating and settling along the inner cylinder at a higher angular speed, and obtaining a larger centrifugal force effect on finer particles in the primary purification stock solution; the fine particles are settled along the inner wall of the inner cylinder in a rotating way, the particles on the outer cylinder and the inner cylinder wall are gathered, rotated and descended, and the sewage and the thick liquid are discharged through the bottom flow port at the lower part. Clear clean liquid upwards forms an inner rotational flow from the inner cylinder, is discharged from an overflow pipe of the inner cylinder, is accelerated by a reducer pipe, and sequentially enters a second-stage hydrocyclone separator and a third-stage hydrocyclone separator through the same process as that in the first-stage hydrocyclone separator. Hydrocyclones are known in the art and therefore their principle is not described in more detail.

Preferably, the primary hydrocyclone separator, the secondary hydrocyclone separator and the tertiary hydrocyclone separator have the same size and structure, the lower ends of the primary hydrocyclone separator, the secondary hydrocyclone separator and the tertiary hydrocyclone separator are respectively provided with a valve II, a valve III and a valve IV, and the installation heights of the three hydrocyclone separators are sequentially increased.

The valve is correspondingly installed under each hydrocyclone separator, when a single hydrocyclone separator is replaced or cleaned, the corresponding valve is closed, the hydrocyclone separators can be replaced or cleaned under the condition that sewage is not leaked, the operation is more convenient and concise, the installation heights of the three hydrocyclone separators are sequentially increased, the longitudinal space of the cyclone separators can be better utilized, and the space of the whole device is saved.

Preferably, the micro-filtration assembly comprises a shell and a micro-filtration filter element, the shell is provided with a micro-filtration inlet pipe and a micro-filtration outlet pipe, the micro-filtration inlet pipe is communicated with the cyclone separation assembly, the micro-filtration inlet pipe is provided with a valve five, the micro-filtration outlet pipe is communicated with the outlet pipe, and the micro-filtration outlet pipe is provided with a valve six.

The microfiltration filter element is a core component of the microfiltration component, the filtering precision can be selected from 10 micrometers to 50 micrometers, the shell is correspondingly adjusted in size, and the microfiltration component comprises a valve five and a valve six.

Preferably, the water inlet pipe is communicated with one end of a bypass circulation pipeline, a first valve is arranged behind the communication position, a seventh valve is arranged on the bypass circulation pipeline, the other end of the bypass circulation pipeline is communicated with a micro-filtration inlet pipe, and a fifth valve is arranged behind the communication position.

The bypass circulation pipeline is used for circulating sewage in the device when the micro-filtration component is cleaned or the micro-filtration filter element is replaced, and the damage to the device caused by overhigh water pressure is prevented. When the filter is used, the seventh valve is opened, the fifth valve is closed, sewage circulates in the hydrocyclone separator system, and the microfiltration filter core can be quickly replaced.

Preferably, the waste liquid outlet pipe is provided with a valve eight, a valve nine and a valve ten respectively below the valve two, the valve three and the valve four, an air inlet is arranged between the valve two and the valve eight, and air inlets are also arranged between the valve three and the valve nine and between the valve four and the valve ten.

And the valve eight, the valve nine and the valve ten arranged on the waste liquid outlet pipe are used for conveniently cleaning the waste liquid outlet pipe, and taking the valve eight as an example, the valve II is closed during cleaning, the valve eight is opened, and then high-pressure gas is introduced into the gas inlet to clean the waste liquid outlet pipe.

Compared with the prior art, the utility model beneficial effect who has is:

the utility model has the advantages of reasonable design, adopted hydrocyclone as main part filtration, hydrocyclone can effectual economizer's space, through a series of valves that set up on the device, also can realize more convenient, quick clearance and change to single part, what whole device only need be changed is the microfiltration filter core, has saved the use cost of device greatly, and rational in infrastructure simple and convenient, easily extensive the duplication.

Drawings

FIG. 1 is a schematic view of a pretreatment apparatus for filtering solid phase particle-containing wastewater;

FIG. 2 is a schematic view of a microfiltration module.

In the figure: 1. a water inlet pipe; 2. a bypass circulation line; 3. a reducer pipe; 4. a seventh valve; 5. a fifth valve; 6. a microfiltration component; 7. a sixth valve; 8. a valve ten; 9. a fourth valve; 10. an air inlet; 11. a waste liquid outlet pipe; 12. a ninth valve; 13. a third valve; 14. a valve eighth; 15. a second valve; 16. a tertiary hydrocyclone; 17. a secondary hydrocyclone separator; 18. a primary hydrocyclone separator; 19. a first valve; 20. a microfiltration inlet tube; 21. a housing; 22. a microfiltration outlet pipe; 23. and (5) a microfiltration filter element.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in figures 1-2, the arrow in figure 1 is the water path track of the device during operation, the pretreatment device for filtering wastewater containing solid-phase particles, which comprises a water inlet pipe 1, wherein the water inlet pipe 1 is connected with one end of a hydrocyclone separation component, the other end of the hydrocyclone separation component is connected with a microfiltration membrane component, and the lower end of the hydrocyclone separation component is connected with a waste liquid outlet pipe 11.

In this embodiment: the hydrocyclone separation component comprises a primary hydrocyclone 18, a secondary hydrocyclone 17 and a tertiary hydrocyclone 16 which are communicated with each other through a reducer pipe 3, and the lower ends of the three are communicated with a waste liquid outlet pipe 11. The primary hydrocyclone 18, the secondary hydrocyclone 17 and the tertiary hydrocyclone 16 are identical in size and structure, the lower ends of the primary hydrocyclone 18, the secondary hydrocyclone 17 and the tertiary hydrocyclone 16 are respectively provided with a valve II 15, a valve III 13 and a valve IV 9, and the installation heights of the three hydrocyclones are sequentially increased. The micro-filtration assembly 6 comprises a shell 21 and a micro-filtration filter element, the shell 21 is provided with a micro-filtration inlet pipe and a micro-filtration outlet pipe 22, the micro-filtration inlet pipe is communicated with the cyclone separation assembly, the micro-filtration inlet pipe is provided with a valve five 5, the micro-filtration outlet pipe 22 is communicated with an outlet pipe, and the micro-filtration outlet pipe 22 is provided with a valve six 7. The inlet tube 1 is communicated with one end of a bypass circulation pipeline 2, a first valve 19 is arranged behind the communication position, a seventh valve 4 is arranged on the bypass circulation pipeline 2, the other end of the bypass circulation pipeline 2 is communicated with a microfiltration inlet tube, and a fifth valve 5 is arranged behind the communication position. The waste liquid outlet pipe 11 is provided with a valve eight 14, a valve nine 12 and a valve ten 8 below the valve two 15, the valve three 13 and the valve four 9, respectively, an air inlet is provided between the valve two 15 and the valve eight 14, and an air inlet is also provided between the valve three 13 and the valve nine 12, and between the valve four 9 and the valve ten 8.

When the device works, sewage enters the device through the water inlet pipe 1, primary filtration is firstly completed in the hydrocyclone separation assembly, the hydrocyclone separation assembly completes separation of large particles in the sewage, the sewage is separated into turbid liquid and clean liquid, the clean liquid enters the microfiltration membrane assembly, precision filtration is further performed on the microfiltration membrane assembly, the turbid liquid enters the waste liquid outlet pipe 11 at the lower end of the hydrocyclone separation assembly, and the waste liquid is discharged through the waste liquid outlet pipe 11 and is treated independently. The device occupies a small space, and the filter element material to be replaced is only the filter element material in the microfiltration membrane component, so that the use cost is greatly reduced. The hydrocyclone separation component comprises three sets of hydrocyclones which are communicated through a reducer pipe 3, sewage to be treated enters from an equipment inlet, firstly enters a primary hydrocyclone 18, enters an outer barrel of the hydrocyclone at a certain flow velocity in a tangential direction, and firstly rotates at a certain angular velocity on the inner wall of the outer barrel to flow downwards, particles in stock solution are subjected to centrifugal sedimentation, and larger particles rotate and settle along the inner wall of the outer barrel, so that the stock solution is primarily purified. The primary purified stock solution enters the inner cylinder again in the tangential direction; rotating and settling along the inner cylinder at a higher angular speed, and obtaining a larger centrifugal force effect on finer particles in the primary purification stock solution; the fine particles are settled along the inner wall of the inner cylinder in a rotating way, the particles on the outer cylinder and the inner cylinder wall are gathered, rotated and descended, and the sewage and the thick liquid are discharged through the bottom flow port at the lower part. The clear clean liquid forms an internal rotational flow upwards from the inner cylinder, is discharged from an overflow pipe of the inner cylinder, is accelerated by the reducer 3, and sequentially enters the second-stage and third-stage hydrocyclone separators 16 through the same process as that in the first-stage hydrocyclone separator 18. Hydrocyclones are known in the art and therefore their principle is not described in more detail.

The bypass circulation pipeline 2 is used for circulating sewage in the device when the micro-filtration component 6 is cleaned or a micro-filtration filter element is replaced, and the damage to the device caused by overhigh water pressure is prevented. When the filter is used, the seventh valve 4 is opened, the fifth valve 5 is closed, sewage circulates in the hydrocyclone separator system, and the microfiltration filter core can be quickly replaced.

Claims

1. The utility model provides a filter preprocessing device that contains solid phase granule waste water which characterized in that: including inlet tube (1), hydrocyclone separation subassembly one end is connected in inlet tube (1), microfiltration subassembly (6) is connected to the hydrocyclone separation subassembly other end, waste liquid outlet pipe (11) is connected to the hydrocyclone separation subassembly lower extreme, inlet tube (1) and bypass circulation pipeline (2) one end intercommunication, intercommunication department rear is provided with valve one (19), be provided with valve seven (4) on bypass circulation pipeline (2), bypass circulation pipeline (2) other end intercommunication microfiltration inlet tube, valve five (5) set up at intercommunication department rear.

2. The pretreatment device for filtering solid phase particle-containing wastewater according to claim 1, wherein: the hydrocyclone separation component comprises a first-stage hydrocyclone separator (18), a second-stage hydrocyclone separator (17) and a third-stage hydrocyclone separator (16), the first-stage hydrocyclone separator, the second-stage hydrocyclone separator and the third-stage hydrocyclone separator are communicated through a reducer pipe (3), and the lower ends of the first-stage hydrocyclone separator, the second-stage hydrocyclone separator and the third-stage hydrocyclone separator are communicated with a waste liquid outlet pipe (11).

3. The pretreatment device for filtering solid phase particle-containing wastewater according to claim 2, wherein: the primary hydrocyclone separator (18), the secondary hydrocyclone separator (17) and the tertiary hydrocyclone separator (16) are identical in size and structure, the lower ends of the primary hydrocyclone separator, the secondary hydrocyclone separator and the tertiary hydrocyclone separator are respectively provided with a valve II (15), a valve III (13) and a valve IV (9), and the installation heights of the three hydrocyclone separators are sequentially increased.

4. The pretreatment device for filtering solid phase particle-containing wastewater according to claim 1, wherein: microfiltration subassembly (6) are including shell (21) and micro-filtration filter core, and shell (21) are equipped with the microfiltration inlet tube and filter outlet pipe (22) a little, and the microfiltration inlet tube intercommunication is revolved liquid separation subassembly, is provided with valve five (5) on the microfiltration inlet tube, and microfiltration outlet pipe (22) intercommunication outlet pipe is provided with valve six (7) on microfiltration outlet pipe (22).

5. The pretreatment device for filtering solid phase particle-containing wastewater according to claim 1 or 3, characterized in that: and the waste liquid outlet pipe (11) is respectively provided with a valve eight (14), a valve nine (12) and a valve ten (8) below the valve two (15), the valve three (13) and the valve four (9), an air inlet is arranged between the valve two (15) and the valve eight (14), and air inlets are also arranged between the valve three (13) and the valve nine (12) and between the valve four (9) and the valve ten (8).