CN201346419Y

CN201346419Y - Microporous ceramic filter

Info

Publication number: CN201346419Y
Application number: CNU2008202099312U
Authority: CN
Inventors: 胡婉云
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-23
Filing date: 2008-10-07
Publication date: 2009-11-18
Anticipated expiration: 2018-10-07

Abstract

A microporous ceramic filter with fine filterability and low maintenance cost is mainly composed of an oil collecting chamber, a filter component, a clear liquid chamber and a dreg chamber. The oil collecting chamber is a closed space between the upper side of the filter component and an upper seal head in the filter, the top portion of the oil collecting chamber is provided with an oil evacuating opening and a steam inlet, the filter component is composed of a plurality of microporous ceramic filtering pipes and a steel structural component, a steam distributing tube is arranged above each microporous ceramic filtering pipe, the clear liquid chamber is a space arranged between the outer walls of the microporous ceramic filtering pipes and a tank body in the middle of the filter, the dreg chamber is a closed space arranged between the lower side of the filter component and a lower seal head in the filter, a sewage outlet is arranged on the bottom portion of the dreg chamber, and a liquid inlet pipe penetrates through the dreg chamber and the filter component from the bottom center of the dreg chamber to the bottom portion of the oil collecting chamber.

Description

Microporous ceramic filter

Affiliated technical field

The utility model relates to a kind of filter plant that is used for Treatment of Industrial Water, the microporous ceramic filter that especially a kind of strainability is good, maintenance cost is low.

Background technology

At present, the known filter that is used for Treatment of Industrial Water, great majority adopt sand filter, it is a kind of tank structure that constitutes by filtrate district, filter course and clear liquid area from top to bottom, the filtrate of filter course is cobblestone and quartz sand, its shortcoming is: the hole between the filter course filtrate is big, and is low to the rejection of suspension; Filtrate lumps easily, and the suspension that recoil the time is held back is to be flowed out by water inlet, and the water yield is big during recoil, and the time is long, and the after-treatment amount is big, and does not have except that functional oil; Easy loss filtrate during recoil, the easy blocking pipeline of the filtrate of loss influences the operation of other equipment, and it is frequent to cause shutdown maintenance and filtrate to replenish, and increases operating cost greatly.

Summary of the invention

In order to overcome the deficiency that strainability is poor, maintenance cost is high of existing sand filter.The utility model provides a kind of novel microporous ceramic filter, and this filter not only strainability is good, and filtering material is renewable and repeated use, and maintenance cost is low.

The technical scheme that its technical problem that solves the utility model adopts

One, solves the technical scheme that improves the employing of filterability the subject of knowledge and the object of knowledge.

In filter, from top to bottom mainly by gathering room, filter assemblies, clear liquid chamber and cinder pocket constitute, gathering room be in the filter above the filter assemblies to the space between the upper cover, the gathering room top is provided with oil extraction evacuation port and steam inlet, filter assemblies is made up of many filter mantles and steel construction piece, all there is a distribution of steam pipe top of each filter mantle, space between the tank body of filter mantle outer wall and filter middle portion is the clear liquid chamber, cinder pocket be in the filter below the filter assemblies to the space between the low head, the cinder pocket bottom is provided with sewage draining exit, feed tube passes the bottom of cinder pocket and filter assemblies arrival gathering room from the cinder pocket center bottom, promptly near the top of filter assemblies, filtrate enters gathering room from feed tube, oil slick is enriched in the gathering room top, thereby reaches the purpose of removing oil slick.Filtrate flows into gathering room from feed tube, most of oil slick is enriched in the gathering room top, the filtrate of removing oil slick enters filter mantle, enter the clear liquid chamber in the tube wall outside from the tube wall inboard of filter mantle, mechanical admixtures such as suspension are trapped in the tube wall inboard of filter mantle less than the micropore of its diameter, the heavier mechanical admixture of part is lowered into the cinder pocket bottom in the effect of gravity, on the inboard tube wall of other part mechanical admixtures attached to filter mantle, the flow of filter assemblies is reduced, when flow is reduced to certain value, can use the recoil method of operation will be flushed to the cinder pocket bottom, thereby reach the purpose of removing mechanical admixtures such as suspension attached to the mechanical admixture on the filter mantle inwall.

Two, solve the reduction technical scheme that maintenance cost adopted.

In filter, adopt filter mantle as renewable filtering material and clear liquid backwashing technology, space between the tank body of filter mantle outer wall and filter middle portion is the clear liquid chamber, filtrate flows into gathering room from feed tube, enter filter mantle through the filtrate after the gathering room oil removing, tube wall through filter mantle enters clear liquid chamber, the outside, mechanical admixtures such as suspension are trapped in the tube wall inboard of filter mantle less than the micropore of its diameter, the heavier mechanical admixture of part is lowered into the cinder pocket bottom in the effect of gravity, on the inboard tube wall of other part mechanical admixtures attached to filter mantle, the effective filtration area of filter assemblies is reduced, its filtering traffic also just reduces, when being reduced to certain value, can use flow clear liquid backwashing technology recoil operation will be flushed to the cinder pocket bottom attached to the mechanical admixture on the filter mantle inwall, the strainability of filter mantle is restored, thereby make filter assemblies have the reproducible function of strainability, reusable and need not change, reach the purpose that reduces maintenance cost.

The beneficial effects of the utility model are: strainability is good, maintenance cost is low.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a principle schematic of the present utility model.

Fig. 2 is the partial cutaway diagrammatic sketch of microporous ceramic filter embodiment.

Among the figure: 1, sewage draining exit .2, low head .3, skirt .4, drain a mouthful .5, inlet hydraulic table .6, fluid Pressure gauge .7, tank body .8, upper cover .9, steam inlet .10, oil extraction evacuation port .11, gathering room .12, distribution of steam pipe .13, filter assemblies .14, filter mantle .15, clear liquid chamber .16, cinder pocket .17, feed tube .18, drain pipe.

The specific embodiment

In Fig. 1, filter assemblies (13) is divided into two spaces up and down with filter, the space of filter assemblies (13) top is gathering room (11), the space of filter assemblies (13) below is cinder pocket (16), feed tube (17) passes the bottom of cinder pocket (16) and filter assemblies (13) arrival gathering room (11) from cinder pocket (16) bottom center, filtrate enters gathering room (11) from feed tube (17), because the sectional area of gathering room (11) is much larger than the sectional area of feed tube, the flow velocity of filtrate sharply slows down after entering gathering room (11), oil slick in the filtrate is enriched in the top of gathering room (11) under buoyancy function, the oil slick of enrichment can regularly be discharged from oil extraction evacuation port (10), finish water-oil separating, thereby reach the purpose of oil removing, filtrate enters filter assemblies (13) after gathering room (11) oil removing, enter clear liquid chamber (15), the tube wall outside after passing through the physics crown_interception of filter mantle (14) again, mechanical admixtures such as suspension are trapped in the tube wall inboard of filter mantle (14) less than the micropore of its diameter, the heavier mechanical admixture of part is lowered into the bottom of cinder pocket (16) in the effect of gravity, on the inboard tube wall of other part mechanical admixtures attached to filter mantle (14), the effective filtration area of filter mantle (14) is reduced, its filtering traffic also just reduces, when being reduced to certain value, can use flow the recoil method of operation will be flushed to the bottom of cinder pocket (16) attached to the mechanical admixture on the tube wall inboard of filter mantle (14), clear liquid after the filtration is outside drain pipe (18) discharge filter of bottom, clear liquid chamber (15), thereby finish Separation of Solid and Liquid, reach the purpose of removing mechanical admixtures such as suspension.

In embodiment illustrated in fig. 2, filter is by main upper cover (8), tank body (7), filter assemblies (13), low head (2), skirt (3) is formed, in filter, many filter mantles (14) are formed filter assemblies (13) with other steel construction pieces, all there is a distribution of steam pipe (12) top of each filter mantle (14), space between the outer wall of filter mantle (14) and the tank body of filter middle portion is clear liquid chamber (15), be positioned at filter assemblies (13) top and constitute gathering room (11) to the space between the upper cover, oil extraction evacuation port (10) and steam inlet (9) are arranged at the top of gathering room (11), in filter, be positioned at filter assemblies (13) below and constitute cinder pocket (16) to the space between the low head, sewage draining exit is arranged at cinder pocket (16) bottom, feed tube (17) passes the bottom of cinder pocket (16) and filter assemblies (13) arrival gathering room (11) from cinder pocket (16) bottom center, filtrate enters gathering room (11) from feed tube (17), being enriched in above the gathering room (11) of oil slick, thus reach the purpose of removing most of oil slick.Filtrate flows into gathering room (11) from feed tube (17), most of oil slick is enriched in gathering room (11) top, the filtrate of removing most of oil slick enters filter assemblies (13), tube wall through filter mantle (14) enters clear liquid chamber (15), the outside, mechanical admixtures such as suspension are trapped in the tube wall inboard of filter mantle (14) less than the micropore of its diameter, the heavier mechanical admixture of part is lowered into the bottom of cinder pocket (16) in the effect of gravity, on the inboard tube wall of other part mechanical admixtures attached to filter mantle (14), the effective filtration area of filter assemblies (13) is reduced, its filtering traffic also just reduces, can use the recoil method of operation to be flushed to the bottom of cinder pocket (16) when flow is reduced to certain value when filtering, thereby reach the purpose of removing mechanical admixtures such as suspension attached to the mechanical admixture on filter mantle (14) inwall.

Claims

1. microporous ceramic filter, in filter, mainly form from top to bottom by gathering room, filter assemblies, clear liquid chamber, cinder pocket, it is characterized in that: filter assemblies is positioned at the middle part of filter tank body, constitute the clear liquid chamber with the tank body at middle part, gathering room and cinder pocket lay respectively at above the filter assemblies and below.

2. microporous ceramic filter according to claim 1 is characterized in that: in filter, filter assemblies is positioned at the tank body middle part, and tank body is divided into two spaces up and down, and the space of filter assemblies top is a gathering room, and the space of filter assemblies below is a cinder pocket.

3. microporous ceramic filter according to claim 1, it is characterized in that: in filter, the filter assemblies top constitutes gathering room to the space between the upper cover, oil extraction evacuation port and steam inlet are arranged at the gathering room top, and all there is a distribution of steam pipe top of each filter mantle.

4. microporous ceramic filter according to claim 1 is characterized in that: in filter, the filter assemblies below constitutes cinder pocket to the space between the low head, and the cinder pocket bottom is provided with sewage draining exit.

5. microporous ceramic filter according to claim 1 is characterized in that: adopt the renewable filtering material of filter mantle as filter.

6. microporous ceramic filter according to claim 1 is characterized in that: all there is a distribution of steam pipe top of each filter mantle of filter assemblies.