CN217498802U - Internal circulation biological fluidized bed - Google Patents

Abstract

The application discloses an internal circulation biological fluidized bed, which comprises an upper fluidized bed cylinder and a lower fluidized bed cylinder; the upper fluidized bed cylinder body and the lower fluidized bed cylinder body are connected through a fixed structure. Separate last fluidized bed barrel inner space through the outer tube, make sewage increase at the inside route that flows of last fluidized bed barrel, thereby make sewage fully contact with the obturator, with this degradation and the filter effect of harmful substance in the obturator to the sewage improve, the practicality of last fluidized bed barrel and lower fluidized bed barrel has been improved, but through the split type design of last fluidized bed barrel and lower fluidized bed barrel, the convenience is changed the obturator of going up fluidized bed barrel and lower fluidized bed barrel inside, also make things convenient for the filter screen to change and overhaul simultaneously, guarantee the leakproofness of going up fluidized bed barrel and lower fluidized bed barrel junction through connecting plate and sealed pad simultaneously, avoid going up fluidized bed barrel and lower fluidized bed barrel junction back sewage and oozing.

Description

Internal circulation biological fluidized bed

Technical Field

The application relates to a biological fluidized bed, in particular to an internal circulation biological fluidized bed.

Background

The biological fluidized bed is filled with small inert particles such as sand, activated carbon and coke as carriers, the surfaces of the carriers are covered by biological membranes, and sewage flows from bottom to top at a certain flow rate to enable the carrier particles to be in a fluidized state, so that the biological fluidized bed is used for advanced treatment such as sewage nitrification and denitrification, secondary treatment of sewage and other industrial wastewater treatment containing phenol, pharmacy and the like.

Traditional biological fluidized bed is when using, and sewage is behind the pressure boost processing, get into inside the fluidized bed, and simultaneously under hydraulic effect, sewage drives the obturator and flows, when conveniently degrading filterable, also avoids causing the export to block up, but because its inside process of flowing is shorter, when water pressure is lower, the obturator motility is less, blocks up easily, and when water pressure was higher, rivers can lead to degradation and treatment effect at the excessive speed, have reduced biological fluidized bed's practicality. Therefore, an internal circulation biological fluidized bed is proposed to solve the above problems.

Disclosure of Invention

The embodiment provides an internal circulation biological fluidized bed for solving the problem that the flow of sewage in water conservancy in the biological fluidized bed in the prior art is short.

According to one aspect of the present application, there is provided an internal circulating biological fluidized bed comprising an upper fluidized bed cylinder and a lower fluidized bed cylinder; the upper fluidized bed cylinder and the lower fluidized bed cylinder are connected through a fixed structure, a water outlet is fixed at the top end of the upper fluidized bed cylinder, a water inlet is fixed at the bottom end of the lower fluidized bed cylinder, an inner through pipe is fixed at the bottom end of the water outlet, outer sleeves are arranged inside the upper fluidized bed cylinder and the lower fluidized bed cylinder outside the inner through pipe, the outer surfaces of the outer sleeves are fixed on the upper fluidized bed cylinder through bolts, a filter screen is fixed at the bottom end of the inner through pipe, and a rear filling body is filled inside the upper fluidized bed cylinder and the lower fluidized bed cylinder.

Further, fixed knot constructs including mounting flange and fixed lagging, fluidized bed barrel top is fixed with mounting flange down, and the mounting flange outside cover is equipped with fixed lagging, fixed lagging inner circle is fixed in last fluidized bed barrel bottom, fixed lagging bottom equidistance is fixed with a plurality of fixing bolt, every fixing bolt runs through to the all screw threads of one end of mounting flange bottom and has cup jointed fixed lid.

Furthermore, a connecting plate is fixed at the top end of the lower fluidized bed cylinder, a connecting groove matched with the connecting plate is formed in the bottom end of the upper fluidized bed cylinder, and sealing gaskets are glued at the top end of the connecting groove and the bottom end inside the fixing sleeve plate.

Furthermore, the bottom ends of the inner through pipe and the outer sleeve are respectively provided with a matched semicircle, and the height of the outer sleeve is smaller than the sum of the heights of the upper fluidized bed cylinder and the lower fluidized bed cylinder.

Furthermore, an ultrafiltration membrane is fixed on the inner side of the filter screen, the diameter of an inner ring of the outer sleeve is larger than that of an outer ring of the inner through pipe, and the height of the outer sleeve is smaller than that of the inner through pipe.

Further, the inside equidistance of mounting flange is seted up with fixed lagging complex fixed orifices, every all the cover is equipped with lock washer on the fixing bolt on fixed lid top.

Furthermore, the fixed sleeve plate is arranged to be barrel-shaped and matched with the fixed flange, the fixed flange is arranged to be annular and matched with the inner part of the fixed sleeve plate, and the sum of the heights of the fixed flange and the fixed cover is smaller than the height of the fixed sleeve plate.

Through the above-mentioned embodiment of this application, adopted and cup jointed and establish the partition structure, sewage gets into down inside the fluidized bed barrel through the water inlet after, flow to the outer tube top under the direction of outer tube earlier, then under hydraulic effect, between siphunculus and the outer tube in getting into, at last under the pressure effect of the suction pump in the delivery port outside, siphunculus discharge in footpath after filtering through the filter screen, the flow of the processing and the obturator contact of sewage has been improved greatly, the shorter problem of sewage flow in the water conservancy in the current biological fluidized bed has been solved, biological fluidized bed's practicality has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic sectional front view of a case according to an embodiment of the present disclosure;

fig. 3 is an enlarged schematic view of a structure at a in fig. 2 according to an embodiment of the present application.

In the figure: 1. feeding the fluidized bed cylinder; 2. a lower fluidized bed cylinder; 3. a water inlet; 4. a water outlet; 5. an inner through pipe; 6. a filter screen; 7. an outer sleeve; 8. a filler; 9. a connecting plate; 10. connecting grooves; 11. a gasket; 12. a fixed flange; 13. fixing the sleeve plate; 14. fixing the bolt; 15. and (5) fixing the cover.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The biological fluidized bed in the present embodiment may be applied to a pressure regulating valve, for example, the present embodiment provides an internal circulation biological fluidized bed, and the biological fluidized bed in the present embodiment may be applied to an automatic pressure regulating valve for sewage treatment.

The pressure regulating valve comprises a pressure regulating valve body, a first pressure regulating mechanism, a second pressure regulating mechanism and a third pressure regulating mechanism; the first pressure regulating mechanism comprises a plurality of fixing columns, a baffle and a piston body, wherein a first limiting plate is fixedly mounted on one end face of each fixing column, the fixing columns penetrate through the baffle and are in sliding fit with the baffle, first springs are sleeved on the peripheral side faces of the fixing columns and the side, far away from the first limiting plate, of the baffle, and the other end face of each fixing column is fixedly connected with one end face of the piston body; the second pressure regulating mechanism comprises an outer shell and an arc-shaped rod arranged symmetrically, wherein a relative inner wall of the outer shell is hinged with a pressure regulating plate, the inner wall of the outer shell is fixedly connected with one end face of the arc-shaped rod, the other end of the arc-shaped rod penetrates through the pressure regulating plate and is in running fit with the pressure regulating plate, a second limiting plate is fixedly mounted at the other end of the arc-shaped rod, and a second spring is sleeved between the outer side of the arc-shaped rod and the surface of the inner wall of the outer shell and the pressure regulating plate.

The pressure regulating valve is a Chinese utility model patent (application number: CN202021463500.6), and can be used for regulating water pressure in the application.

Of course, the present embodiment can be used for other pressure regulating valves. The details are not repeated here, and the description will be given below for the biological fluidized bed of the present embodiment.

Referring to fig. 1-3, an internal circulation biological fluidized bed comprises an upper fluidized bed cylinder 1 and a lower fluidized bed cylinder 2; the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2 are connected through a fixed structure, a water outlet 4 is fixed at the top end of the upper fluidized bed cylinder 1, a water inlet 3 is fixed at the bottom end of the lower fluidized bed cylinder 2, an inner through pipe 5 is fixed at the bottom end of the water outlet 4, an outer sleeve 7 is arranged inside the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2 outside the inner through pipe 5, the outer surface of the outer sleeve 7 is fixed on the upper fluidized bed cylinder 1 through bolts, a filter screen 6 is fixed at the bottom end of the inner through pipe 5, a filler 8 is filled inside the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2, and the sewage can be fully contacted with the filler 8 through the separation arrangement of the outer sleeve 7, so that the integral treatment effect of the fluidized bed is improved;

the fixed structure comprises a fixed flange 12 and a fixed sleeve plate 13, the top end of the lower fluidized bed cylinder 2 is fixed with the fixed flange 12, the outer side of the fixed flange 12 is sleeved with the fixed sleeve plate 13, the inner ring of the fixed sleeve plate 13 is fixed at the bottom end of the upper fluidized bed cylinder 1, a plurality of fixed bolts 14 are fixed at equal intervals at the bottom end of the fixed sleeve plate 13, one end of each fixed bolt 14 penetrating through the bottom of the fixed flange 12 is sleeved with a fixed cover 15 in a threaded manner, through the detachable design of the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2, the filler 8 in the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2 can be conveniently replaced, and the treatment effect and the service life of the filler 8 are ensured; the top end of the lower fluidized bed cylinder 2 is fixed with a connecting plate 9, the bottom end of the upper fluidized bed cylinder 1 is provided with a connecting groove 10 matched with the connecting plate 9, the top end of the connecting groove 10 and the bottom end inside a fixed sleeve plate 13 are both glued with sealing gaskets 11, when the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2 are installed, the connecting plate 9 is inserted into the connecting groove 10 and tightly abutted against the sealing gaskets 11 under the matching of a fixed bolt 14 and a fixed cover 15, and therefore the sealing performance of the connection between the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2 is ensured; the bottom ends of the inner through pipe 5 and the outer sleeve 7 are respectively set to be mutually matched semi-circles, the height of the outer sleeve 7 is less than the sum of the heights of the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2, so that the bottom ends of the inner through pipe 5 and the outer sleeve 7 can guide sewage flow conveniently, and the outer sleeve 7 can be prevented from causing internal blocking of the upper fluidized bed cylinder 1; an ultrafiltration membrane is fixed on the inner side of the filter screen 6 and used for a polymer semipermeable membrane capable of separating polymer colloid or suspended particles with certain size from a solution in the ultrafiltration process, the diameter of an inner ring of the outer sleeve 7 is larger than that of an outer ring of the inner through pipe 5, the height of the outer sleeve 7 is smaller than that of the inner through pipe 5, the filtering effect is improved, and water flow can enter between the outer sleeve 7 and the inner through pipe 5, so that the water flow is conveniently discharged through the inner through pipe 5 after being filtered by the filter screen 6; fixing holes matched with the fixing sleeve plates 13 are formed in the fixing flange 12 at equal intervals, a locking washer is sleeved on the fixing bolt 14 at the top end of each fixing cover 15, the fixing flange 12 is conveniently sleeved on the fixing bolt 14, the locking washer is composed of two gaskets with uniform specifications, the outer side of each gasket is provided with a radial convex thread surface, the inner side of each gasket is an oblique tooth surface, and the fixing cover 15 is guaranteed to be firmly and stably fixed on the fixing flange 12; fixed lagging 13 sets up to the tubbiness with fixed flange 12 complex, and fixed flange 12 sets up to the annular with fixed lagging 13 inside complex, and the high sum of fixed flange 12 and fixed lid 15 is less than fixed lagging 13's height, makes things convenient for inside fixed flange 12 block to fixed lagging 13.

When the device is used, when the upper fluidized bed barrel 1 and the lower fluidized bed barrel 2 are used normally, the bottom end of a water inlet 3 is connected with a water pump outlet, a water pump inlet is connected with a sewage tank, a water outlet 4 is connected with a water pump inlet, a water pump outlet is connected with a water purification tank, then water pumps at two ends are opened, sewage enters the lower fluidized bed barrel 2 under the action of a water pump at the lower part, then passes through a filling body 8 under the guiding action of the bottom end of an outer sleeve 7 to flow to the top end of an outer sleeve 7, then enters between the outer sleeve 7 and an inner through pipe 5 under the obstruction of the upper fluidized bed barrel 1, simultaneously passes through the filling body 8 to flow to the bottom end of the inner outer sleeve 7 under the action of the water pump at the water outlet 4, is filtered by a filter screen 6 under the action of pressure difference and then discharged, when the filling body 8 in the upper fluidized bed barrel 1 needs to be replaced, a fixing cover 15 is screwed one by one, make the fixed release between fixed lid 15 and the fixing bolt 14, can make the fixed release between fixed lagging 13 and the mounting flange 12, fluid bed barrel 1 in the pulling, make connecting plate 9 and spread groove 10 separation can, after 8 changes the completion of obturator, insert the fluid bed barrel 1 and establish under on the fluid bed barrel 2, make connecting plate 9 butt on sealed pad 11, guarantee simultaneously that fixing bolt 14 runs through mounting flange 12, then twist one by one with lock washer and fixed lid 15 to fixing bolt 14 on fixed can.

The application has the advantages that:

1. the operation is simple, the inner space of the upper fluidized bed cylinder 1 is divided by the outer sleeve 7, so that the flow path of sewage in the upper fluidized bed cylinder 1 is increased, the sewage can be fully contacted with the filler 8, the degradation and filtering effects of the filler 8 on harmful substances in the sewage are improved, and the practicability of the upper fluidized bed cylinder 1 and the lower fluidized bed cylinder 2 is improved;

2. this application is rational in infrastructure, but through the detachable type design of last fluidized bed barrel 1 and lower fluidized bed barrel 2, the convenience is changed the obturator 8 of going up fluidized bed barrel 1 and lower fluidized bed barrel 2 inside, also make things convenient for filter screen 6 to change and overhaul simultaneously, guarantee the leakproofness of going up fluidized bed barrel 1 and lower fluidized bed barrel 2 junction through connecting plate 9 and sealed pad 11 simultaneously, avoid going up fluidized bed barrel 1 and lower fluidized bed barrel 2 junction back sewage and ooze.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (7)

1. An internal circulation biological fluidized bed, which is characterized in that: comprises an upper fluidized bed cylinder (1) and a lower fluidized bed cylinder (2); go up and connect through fixed knot between fluidized bed barrel (1) and the lower fluidized bed barrel (2), it is fixed with delivery port (4) to go up fluidized bed barrel (1) top, lower fluidized bed barrel (2) bottom mounting has water inlet (3), delivery port (4) bottom mounting has interior siphunculus (5), and the last fluidized bed barrel (1) in interior siphunculus (5) outside and lower fluidized bed barrel (2) inside are provided with outer tube (7), the outer surface of outer tube (7) passes through the bolt fastening on last fluidized bed barrel (1), interior siphunculus (5) bottom mounting has filter screen (6), it has obturator (8) to go up fluidized bed barrel (1) and lower fluidized bed barrel (2) inside packing.

2. An internal circulation biological fluidized bed according to claim 1, wherein: fixed knot constructs including mounting flange (12) and fixed lagging (13), fluidized bed barrel (2) top is fixed with mounting flange (12) down, and mounting flange (12) outside cover is equipped with fixed lagging (13), fixed lagging (13) inner circle is fixed in last fluidized bed barrel (1) bottom, fixed lagging (13) bottom equidistance is fixed with a plurality of fixing bolt (14), every fixing bolt (14) are run through to the all screw threads of one end of mounting flange (12) bottom and are cup jointed fixed lid (15).

3. An internal circulation biological fluidized bed as claimed in claim 1, wherein: the top end of the lower fluidized bed cylinder (2) is fixed with a connecting plate (9), the bottom end of the upper fluidized bed cylinder (1) is provided with a connecting groove (10) matched with the connecting plate (9), and the top end of the connecting groove (10) and the bottom end inside the fixed sleeve plate (13) are both glued with sealing gaskets (11).

4. An internal circulation biological fluidized bed as claimed in claim 1, wherein: the bottom ends of the inner through pipe (5) and the outer sleeve (7) are respectively arranged into mutually matched semi-circles, and the height of the outer sleeve (7) is smaller than the sum of the heights of the upper fluidized bed cylinder (1) and the lower fluidized bed cylinder (2).

5. An internal circulation biological fluidized bed as claimed in claim 1, wherein: the inside of the filter screen (6) is fixed with an ultrafiltration membrane, the diameter of the inner ring of the outer sleeve (7) is larger than that of the outer ring of the inner through pipe (5), and the height of the outer sleeve (7) is smaller than that of the inner through pipe (5).

6. An internal circulation biological fluidized bed according to claim 2, wherein: the fixed orifices matched with the fixed sleeve plates (13) are arranged in the fixed flange (12) at equal intervals, and each anti-loosening washer is sleeved on the fixed bolt (14) at the top end of the fixed cover (15).

7. An internal circulation biological fluidized bed according to claim 2, wherein: the fixed sleeve plate (13) is arranged to be barrel-shaped and matched with the fixed flange (12), the fixed flange (12) is arranged to be annular and matched with the inside of the fixed sleeve plate (13), and the sum of the heights of the fixed flange (12) and the fixed cover (15) is smaller than the height of the fixed sleeve plate (13).

Images