CN209906583U - Sewage biochemical device adopting multipoint activated sludge backflow mode - Google Patents
Sewage biochemical device adopting multipoint activated sludge backflow mode Download PDFInfo
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- CN209906583U CN209906583U CN201920646884.6U CN201920646884U CN209906583U CN 209906583 U CN209906583 U CN 209906583U CN 201920646884 U CN201920646884 U CN 201920646884U CN 209906583 U CN209906583 U CN 209906583U
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Abstract
The utility model discloses an adopt sewage biochemical device of multiple spot activated sludge backflow mode, including aeration tank, sedimentation tank, sewage biochemical pond, sludge reflux pump, water inlet and outlet, the left part of aeration tank is equipped with the water inlet, the right part of aeration tank is equipped with the water pipe, the centre of water pipe is equipped with the filter, the right part of water pipe is equipped with the sedimentation tank, the bottom of sedimentation tank is connected with the sludge reflux pump through connecting water pipe, the left part of sludge reflux pump is connected in aeration tank through connecting water pipe, the right part of sedimentation tank is connected with sewage biochemical pond through water pipe. This adopt biochemical device of sewage of multiple spot activated sludge backward flow mode increases the dissolved oxygen content in the sewage, and the stirring is mixed liquid and is made mud, water fully contact to the microorganism oxygen suppliment, can effectual improvement efficiency of handling, and the efficient purifies the mud backward flow, and is effectual, and convenient to install and dismantle can the efficient filter impurity and purify the noxious material, avoids causing the pollution.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically is an adopt biochemical device of sewage of multiple spot activated sludge reflux mode.
Background
The activated sludge process being of sewageAerobic biological treatment methodInvented and applied by Clark (Clark) and Gage (Gage) in England in approximately 1913 at the Lawrence sewage test station of Manchester. Nowadays, the activated sludge process and its derivative modified process are the most widely used for treating urban sewageA method. It can remove the soluble sum from the sewageColloidBiochemical organic matter in the state and suspended solid and other matters capable of being adsorbed by active sludge and also capable of removing partial phosphorus and other mattersNitrogen elementIs prepared fromBiological treatment of waste waterThe general name of various methods of micro-organisms (micro-organisms) suspended in water.
The existing sewage biochemical device adopting a multipoint activated sludge backflow mode cannot efficiently increase the amount of sewage in sewageSolution Content of dissolved oxygenThe sewage treatment efficiency is low, the sludge can not be returned and purified, the effect is poor, the water quality can not be efficiently filtered and purified, the pollution can be caused, the installation and the disassembly are inconvenient, and the requirement of the existing sewage biochemical device adopting a multipoint activated sludge return mode is difficult to meet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide an adopt biochemical device of sewage of multiple spot activated sludge reflux mode, solved the problem that proposes in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sewage biochemical device adopting a multipoint activated sludge backflow mode comprises an aeration tank, a sedimentation tank, a sewage biochemical tank, a sludge backflow pump, a water inlet and a water outlet, wherein the left part of the aeration tank is provided with the water inlet, stirring blades are distributed in the aeration tank, a connecting shaft is arranged in the middle of the stirring blades, the top of the connecting shaft is connected with a motor, the bottom of the aeration tank is provided with an air diffusion device, bubble openings are distributed in the top of the air diffusion device, the right part of the aeration tank is provided with a water passing pipe, a filter is arranged in the middle of the water passing pipe, the right part of the water passing pipe is provided with the sedimentation tank, the bottom of the sedimentation tank is connected with the sludge backflow pump through a connecting water pipe, the left part of the sludge backflow pump is connected with the aeration tank through a connecting water pipe, the right part of the sedimentation tank is connected with the sewage biochemical tank through the water passing pipe, and, the right part of the sewage biochemical pool is provided with a water outlet; the filter comprises metal filter screen, active carbon filter screen and mounting flange, there is mounting flange at the top of filter through bolted connection, the inside mosaic of filter distributes has metal filter screen and active carbon filter screen.
Preferably, the bottom of the aeration tank and the bottom of the sedimentation tank are welded and distributed with damping supporting devices, and the bottom of the sludge reflux pump is provided with a base.
Preferably, the outer ends of the water inlet and the water outlet are provided with mounting ports, and the top of the sewage biochemical pool is provided with an access port.
Preferably, the outside welding of motor has the protection casing, the inboard bonding of protection casing has inhales the sound cotton, the side part cloth of protection casing has the through-hole.
Preferably, the bottom of the inner side of the filter is welded with limit blocks, and the limit blocks are respectively positioned at two ends of the metal filter screen and the activated carbon filter screen.
(III) advantageous effects
The utility model provides a sewage biochemical device adopting a multipoint activated sludge backflow mode. The method has the following beneficial effects:
(1) the sewage biochemical device adopting the multipoint activated sludge backflow mode generates fine bubbles to enter sewage through the air diffusion device laid at the bottom of the aeration tank, and aims to increase the amount of the fine bubbles in the sewageDissolved oxygen contentThe mixing liquid is in a state of violent stirring by the stirring of the stirring rod driven by the arranged motor,stirring and mixingThe liquid makes the mud and water contact fully to supply oxygen to the microorganism, and the treatment efficiency can be effectively improved.
(2) This adopt sewage biochemical installation of multiple spot activated sludge backward flow mode, through the sludge reflux pump through connecting water piping connection in the bottom at sedimentation tank and aeration tank, but the efficient purifies the mud backward flow, and is effectual, through the filter of the water pipe intermediate junction between aeration tank and sedimentation tank, the installation of being convenient for is dismantled, through metal filters net and the active carbon filter screen that sets up inside the filter, but efficient filtering impurity with purify the toxic substance, avoid causing the pollution.
Drawings
FIG. 1 is a schematic view of the whole structure of a sewage biochemical device using a multi-point activated sludge recirculation method according to the present invention;
FIG. 2 is a schematic view of the internal structure of an aeration tank of a biochemical sewage treatment apparatus using a multi-point activated sludge recirculation method according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of a filter of a sewage biochemical device using a multi-point activated sludge recirculation method according to the present invention.
In the figure: an aeration tank-1, a sedimentation tank-2, a sewage biochemical tank-3, a sludge reflux pump-4, a water inlet-5, a water outlet-6, a water passing pipe-7, a filter-8, a filler area-9, a damping support device-10, a connecting water pipe-11, a motor-12, a connecting shaft-13, a stirring blade-14, an air diffusion device-15, a bubble opening-16, a metal filter screen-17, an active carbon filter screen-18, a mounting flange-19 and a limiting block-20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a sewage biochemical device adopting a multipoint activated sludge backflow mode comprises an aeration tank 1, a sedimentation tank 2, a sewage biochemical tank 3, a sludge backflow pump 4, a water inlet 5 and a water outlet 6, wherein the left part of the aeration tank 1 is provided with the water inlet 5, stirring blades 14 are distributed in the aeration tank 1, a connecting shaft 13 is arranged in the middle of each stirring blade 14, the top of each connecting shaft 13 is connected with a motor 12, the bottom of the aeration tank 1 is provided with an air diffusion device 15, the top of the air diffusion device 15 is provided with bubble openings 16, the right part of the aeration tank 1 is provided with a water passing pipe 7, the middle of the water passing pipe 7 is provided with a filter 8, the right part of the water passing pipe 7 is provided with the sedimentation tank 2, the bottom of the sedimentation tank 2 is connected with the sludge backflow pump 4 through a connecting water pipe 11, the left part of the sludge backflow pump 4 is connected with the aeration tank 1 through the connecting water pipe, the right part of the sedimentation tank 2 is connected with a sewage biochemical tank 3 through a water pipe 7, a filler area 9 is arranged inside the sewage biochemical tank 3, and a water outlet 6 is arranged at the right part of the sewage biochemical tank 3; the filter 8 comprises metal filter screen 17, active carbon filter screen 18 and mounting flange 19, there is mounting flange 19 at the top of filter 8 through bolted connection, the inside mosaic of filter 8 distributes and has metal filter screen 17 and active carbon filter screen 18.
The bottom of aeration tank 1 and sedimentation tank 2 all welded distribution has shock attenuation strutting arrangement 10, the base is installed to the bottom of mud backwash pump 4, supports more stably, raises the efficiency.
The outer ends of the water inlet 5 and the water outlet 6 are provided with mounting ports, and the top of the sewage biochemical pool 3 is provided with an access port, so that the interface is convenient to mount and convenient to overhaul.
The outside welding of motor 12 has the protection casing, the inboard bonding of protection casing has inhales the sound cotton, the lateral part cloth of protection casing has the through-hole, and the protection is safe, and the heat dissipation is high-efficient, noise reduction.
The bottom of the inner side of the filter 8 is welded with limit blocks 20, and the limit blocks 20 are respectively positioned at two ends of the metal filter screen 17 and the activated carbon filter screen 18, so that the filter screens can be conveniently and accurately placed.
The working principle is as follows: the sewage is introduced from the water inlet 5, and the air diffusion device 15 laid at the bottom of the aeration tank 1 generates fine bubbles through the bubble port 16 to enter the sewage, so as to increase the content of the sewageDissolved oxygen content The motor 12 drives the stirring rod 14 to stir so that the mixed liquid is in a state of violent stirring,stirring and mixingThe liquid makes mud and water fully contact and supplies oxygen to microorganisms, the sludge is refluxed and purified by a sludge reflux pump 4 connected with a water pipe 11 at the bottom of a sedimentation tank 2 and the bottom of an aeration tank 1, a filter 8 connected with the middle of a water pipe 7 between the aeration tank 1 and the sedimentation tank 2 is convenient to mount and dismount through a mounting flange 19, and a metal filter screen 17 and an active carbon filter screen 18 inside the filter 8 efficiently filter impurities and filter impuritiesPurify the toxic substance, avoid causing the pollution, sewage is discharged from outlet 6 after passing through the inside filler district 9 purification of sewage biochemical pond 3.
The utility model discloses an aeration tank 1, sedimentation tank 2, sewage biochemical pond 3, sludge reflux pump 4, water inlet 5, outlet 6, water pipe 7, filter 8, filler district 9, shock attenuation strutting arrangement 10, connecting pipe 11, motor 12, connecting axle 13, stirring leaf 14, air diffusion equipment 15, bubble mouth 16, metal filters 17, active carbon filter screen 18, mounting flange 19, stopper 20, the part is the general standard component or the part that technical personnel in the field know, its structure and principle all are that this technical personnel all can learn through the technical manual or obtain through conventional experimental method, the utility model provides a problem be that current sewage biochemical device who adopts efficient multiple spot active sludge reflux mode can not increase the sewage in the sewageDissolved oxygen contentSewage treatment's inefficiency, can not purify the mud backward flow, the effect is poor, can not the efficient filtration water purification quality of water, can cause the pollution, inconvenient installation is dismantled, is difficult to satisfy current biochemical device's of sewage that adopts multiple spot activated sludge backflow mode demand scheduling problem, the utility model discloses an above-mentioned parts make up mutually, this biochemical device of sewage that adopts multiple spot activated sludge backflow mode through laying the air diffusion device in aeration tank bottom, produces in the form entering sewage of tiny bubble, the purpose is to increase the sewage in the sewageDissolved oxygen contentThe mixing liquid is in a state of violent stirring by the stirring of the stirring rod driven by the arranged motor,stirring and mixingThe liquid makes the mud and water contact fully to supply oxygen to the microorganism, and the treatment efficiency can be effectively improved. This adopt biochemical device of sewage of multiple spot activated sludge reflux mode, through the sludge reflux pump through connecting water piping connection in the bottom at sedimentation tank and aeration tank, but the efficient purifies the mud backward flow, and is effectual, through the filter of the water pipe intermediate junction between aeration tank and sedimentation tank, the installation of being convenient for is dismantled, through metal filters and the active carbon filter screen that sets up inside the filter, but the efficient filters impurity and purifies the toxic substance, avoids causing the pollution.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an adopt biochemical device of sewage of multiple spot activated sludge reflux mode which characterized in that: comprises an aeration tank (1), a sedimentation tank (2), a sewage biochemical tank (3), a sludge reflux pump (4), a water inlet (5) and a water outlet (6), wherein the left part of the aeration tank (1) is provided with the water inlet (5), stirring blades (14) are distributed in the aeration tank (1), a connecting shaft (13) is arranged in the middle of each stirring blade (14), the top of the connecting shaft (13) is connected with a motor (12), an air diffusion device (15) is arranged at the bottom of the aeration tank (1), bubble ports (16) are distributed at the top of the air diffusion device (15), a water passing pipe (7) is arranged at the right part of the aeration tank (1), a filter (8) is arranged in the middle of the water passing pipe (7), the sedimentation tank (2) is arranged at the right part of the water passing pipe (7), and the bottom of the sedimentation tank (2) is connected with the sludge reflux pump (4) through a connecting water pipe (11), the left part of the sludge reflux pump (4) is connected with the aeration tank (1) through a connecting water pipe (11), the right part of the sedimentation tank (2) is connected with a sewage biochemical tank (3) through a water pipe (7), a filler area (9) is arranged inside the sewage biochemical tank (3), and a water outlet (6) is arranged at the right part of the sewage biochemical tank (3);
filter (8) comprise metal filters (17), active carbon filter screen (18) and mounting flange (19), there are mounting flange (19) at the top of filter (8) through bolted connection, it has metal filters (17) and active carbon filter screen (18) to inlay the distribution in the inside of filter (8).
2. The biochemical sewage treatment device adopting a multi-point activated sludge backflow mode according to claim 1, characterized in that: the bottom of the aeration tank (1) and the bottom of the sedimentation tank (2) are respectively welded with a damping supporting device (10), and the bottom of the sludge reflux pump (4) is provided with a base.
3. The biochemical sewage treatment device adopting a multi-point activated sludge backflow mode according to claim 1, characterized in that: the outer ends of the water inlet (5) and the water outlet (6) are provided with mounting ports, and the top of the sewage biochemical pond (3) is provided with an access port.
4. The biochemical sewage treatment device adopting a multi-point activated sludge backflow mode according to claim 1, characterized in that: the outside welding of motor (12) has the protection casing, the inboard bonding of protection casing has inhales the sound cotton, the lateral part cloth of protection casing has the through-hole.
5. The biochemical sewage treatment device adopting a multi-point activated sludge backflow mode according to claim 1, characterized in that: the bottom of the inner side of the filter (8) is welded with limit blocks (20), and the limit blocks (20) are respectively positioned at two ends of the metal filter screen (17) and the activated carbon filter screen (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646884.6U CN209906583U (en) | 2019-05-08 | 2019-05-08 | Sewage biochemical device adopting multipoint activated sludge backflow mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646884.6U CN209906583U (en) | 2019-05-08 | 2019-05-08 | Sewage biochemical device adopting multipoint activated sludge backflow mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209906583U true CN209906583U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920646884.6U Expired - Fee Related CN209906583U (en) | 2019-05-08 | 2019-05-08 | Sewage biochemical device adopting multipoint activated sludge backflow mode |
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| Country | Link |
|---|---|
| CN (1) | CN209906583U (en) |
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2019
- 2019-05-08 CN CN201920646884.6U patent/CN209906583U/en not_active Expired - Fee Related
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