CN210340464U

CN210340464U - Oxidation ditch for domestic sewage treatment

Info

Publication number: CN210340464U
Application number: CN201920618331.XU
Authority: CN
Inventors: 吴英挺
Original assignee: Huangbao Fujian Environmental Protection Engineering Investment Co ltd
Current assignee: Huangbao Fujian Environmental Protection Engineering Investment Co ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-17
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses an oxidation ditch for domestic sewage treatment, which comprises a substrate, wherein the top end of the substrate is connected with an oxidation ditch, the inner wall of the oxidation ditch is connected with an aerator, the inner wall of the oxidation ditch is connected with a mesh plate corresponding to the position outside the aerator, the utility model has the advantages of scientific and reasonable structure and safe and convenient use, larger sundries floating on the surface of the domestic sewage can be blocked by a blocking rod and a blocking plate arranged at the bottom end of a connecting rod, the connecting rod can be driven to move in a sliding groove by turning a cover plate, larger garbage can be collected in a unified way, the larger sundries floating on the surface of the sewage can be cleaned conveniently, the activated sludge in the oxidation ditch can be blocked by a sludge baffle plate, and the activated sludge blocked by the sludge baffle plate can be extracted by the operation of a sludge delivery pump and delivered to the water inlet of the oxidation ditch, the activated sludge is rapidly collected and conveyed in a backflow mode, and recycling of the sludge is facilitated.

Description

Oxidation ditch for domestic sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is an oxidation ditch of domestic sewage treatment usefulness.

Background

The oxidation ditch is an activated sludge treatment system, an aeration tank of the oxidation ditch is in a closed ditch shape, so the oxidation ditch is different from a traditional activated sludge method in the hydraulic flow state, the oxidation ditch is a circulating flow aeration ditch which is connected end to end and is also called a circulating aeration tank, the earliest oxidation ditch is not built by reinforced concrete, but the soil ditch which is treated by slope protection is an intermittent water inlet intermittent aeration, and in this point, the oxidation ditch is the technology for treating sewage in a sequential batch mode at the earliest time;

but oxidation ditch among the prior art at present can't clear up the showy debris that contain on the sewage surface, and the outlet pipe is blockked up easily to the showy debris that contain on the sewage surface, leads to the outlet pipe to block up the damage, and oxidation ditch among the prior art, activated sludge need the manual work to salvage and draw, and the efficiency of manual work salvage is lower, and it is great to salvage the cost, therefore influences domestic sewage treatment's efficiency easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical scheme can effectively solve the showy debris that can't contain on the sewage surface that provide among the above-mentioned background art and clear up, and the outlet pipe is blockked up easily to the showy debris that the sewage surface contains, leads to the outlet pipe to block up the problem of damage.

In order to achieve the above object, the utility model provides a following technical scheme: an oxidation ditch for domestic sewage treatment comprises a substrate, wherein the top end of the substrate is connected with an oxidation ditch, the inner wall of the oxidation ditch is connected with an aerator, the inner wall of the oxidation ditch is connected with a mesh plate at a position corresponding to the outer side of the aerator, one end of the oxidation ditch is connected with a water outlet, the other end of the oxidation ditch is connected with a water inlet, stirring blades are uniformly connected at a position corresponding to the inner part of the oxidation ditch at the top end of the substrate, and a sludge boss is connected at a position corresponding to the position between the two stirring blades at the top end of the substrate;

the top end of the oxidation ditch is provided with a floating object blocking mechanism, and the floating object blocking mechanism comprises a fixed seat, a sliding groove, a sliding block, a connecting rod, a blocking plate, a cover plate, a fixed block and a fixed groove;

the fixing base is installed to the top symmetry of oxidation irrigation canals and ditches, the sliding tray has been seted up to the one end of fixing base, the inner wall slip evenly connected with of sliding tray corresponds two be connected with the connecting rod between the sliding tray, the bottom of connecting rod evenly connected with the spacer bar, the one end of spacer bar is connected with the baffler, the one end of fixing base is rotated and is connected with the apron, the one end of apron is connected with the fixed block, the one end of fixing base corresponds fixed block position department and has seted up the fixed slot.

Preferably, the connecting rod and the blocking rod are stainless steel members, and the outer sides of the connecting rod and the blocking rod are coated with antirust paint.

Preferably, through holes are uniformly formed in the outer side surface of the mesh plate.

Preferably, a sludge backflow mechanism is embedded into one end of the oxidation ditch and comprises a sludge baffle plate, a sludge delivery pump, a sludge delivery pipe, a sludge cleaning cover, a backflow pipe, a stop valve and a sludge inlet pipe;

the one end inner wall connection of oxidation irrigation canals and ditches has the mud baffle, the top of base plate corresponds mud baffle position department and is connected with the mud delivery pump, the one end of mud delivery pump is connected with the mud conveyer pipe, the other end of mud conveyer pipe passes the oxidation irrigation canals and ditches and installs mud clearance lid, the outside of mud conveyer pipe is connected with the back flow, the outside center department of back flow is connected with the stop valve, the one end of back flow is connected with mud and advances the pipe.

Preferably, one end of the sludge inlet pipe penetrates through the outer wall of the oxidation ditch and stays in the oxidation ditch, and the other end of the sludge inlet pipe is connected with a sludge cleaning cover.

Preferably, the sludge baffle and the base plate are obliquely arranged at an angle of 45 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. through the separation rod and the separation board of connecting rod bottom installation, can block the showy great debris in domestic sewage surface to can be after using, the upset apron drives the connecting rod and removes, and the connecting rod can remove in the sliding tray through the sliding block, can unify the collection to the great rubbish of separation rod and separation board separation, and the showy great debris in sewage surface of being convenient for is cleared up.

2. Through the mud baffle, can block the activated sludge in the oxidation ditch to through the operation of mud delivery pump, extract the activated sludge that the mud baffle blockked, carry to the water inlet department of oxidation ditch, carry out quick collection and backward flow to activated sludge and carry, the recycling of the mud of being convenient for.

3. Stop the mud of bottom through the mud boss to through the rotation of stirring leaf, stir the mud of bottom, make the mud of bottom diffuse to domestic sewage in, clear up domestic sewage, reduced the bottom long-pending of mud and stayed, strengthened the treatment effect of active sludge to domestic sewage.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation structure of the stirring blade and the sludge boss of the present invention;

fig. 3 is a schematic structural view of the floating object obstructing mechanism of the present invention;

FIG. 4 is a schematic structural view of the sludge recirculation mechanism of the present invention;

reference numbers in the figures: 1. a substrate; 2. oxidizing the trench; 3. an aerator; 4. a mesh plate; 5. a water outlet; 6. a water inlet; 7. stirring blades; 8. sludge boss;

9. a float blocking mechanism; 901. a fixed seat; 902. a sliding groove; 903. a slider; 904. a connecting rod; 905. a blocking rod; 906. a barrier plate; 907. a cover plate; 908. a fixed block; 909. fixing grooves;

10. a sludge reflux mechanism; 1001. a sludge baffle; 1002. a sludge delivery pump; 1003. a sludge conveying pipe; 1004. a sludge cleaning cover; 1005. a return pipe; 1006. a stop valve; 1007. and (4) feeding sludge into the pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a technical scheme, an oxidation ditch for domestic sewage treatment, including base plate 1, the top of base plate 1 is connected with oxidation ditch 2, the inner wall of oxidation ditch 2 is connected with aerator 3, the position department that the inner wall of oxidation ditch 2 corresponds the outer side of aerator 3 is connected with mesh plate 4, one end of oxidation ditch 2 is connected with delivery port 5, the other end of oxidation ditch 2 is connected with water inlet 6, the position department that the top of base plate 1 corresponds the inside of oxidation ditch 2 evenly is connected with stirring leaf 7, the position department that the top of base plate 1 corresponds between two stirring leaves 7 is connected with mud boss 8;

the top end of the oxidation ditch 2 is provided with a floating object blocking mechanism 9, and the floating object blocking mechanism 9 comprises a fixed seat 901, a sliding groove 902, a sliding block 903, a connecting rod 904, a blocking rod 905, a blocking plate 906, a cover plate 907, a fixed block 908 and a fixed groove 909;

fixing base 901 is installed to oxidation irrigation canals and ditches 2's top symmetry, sliding tray 902 has been seted up to the one end of fixing base 901, sliding tray 902's inner wall slides and evenly is connected with sliding block 903, it is connected with connecting rod 904 to correspond between two sliding blocks 903, the bottom of connecting rod 904 evenly is connected with blocking rod 905, blocking rod 905's one end is connected with baffler 906, the one end of fixing base 901 rotates and is connected with apron 907, the one end of apron 907 is connected with fixed block 908, the one end of fixing base 901 corresponds fixed block 908 position department and has seted up fixed.

Connecting rod 904 and separation pole 905 are the component of a stainless steel material, and the outside of connecting rod 904 and separation pole 905 scribbles anti rust coating, has increased the antirust property of connecting rod 904 and separation pole 905, and the through-hole has evenly been seted up on the outside surface of mesh plate 4, and the aerator 3 of being convenient for aerates in to domestic sewage.

One end of the oxidation ditch 2 is embedded with a sludge backflow mechanism 10, and the sludge backflow mechanism 10 comprises a sludge baffle 1001, a sludge delivery pump 1002, a sludge delivery pipe 1003, a sludge cleaning cover 1004, a backflow pipe 1005, a stop valve 1006 and a sludge inlet pipe 1007;

oxidation ditch 2's one end inner wall is connected with mud baffle 1001, the top of base plate 1 corresponds mud baffle 1001 position department and is connected with mud delivery pump 1002, mud delivery pump 1002's one end is connected with mud conveyer pipe 1003, the other end of mud conveyer pipe 1003 passes oxidation ditch 2 and installs mud clearance lid 1004, the outside of mud conveyer pipe 1003 is connected with back flow 1005, the outside center department of back flow 1005 is connected with stop valve 1006, the one end of back flow 1005 is connected with mud and advances the pipe 1007, the one end that mud advances pipe 1007 passes oxidation ditch 2 outer wall and stops in oxidation ditch 2, the other end that mud advances pipe 1007 is connected with mud clearance lid 1004, be convenient for advance through mud pipe 1007 and clear up the mud in the oxidation ditch 2, be 45 degrees slope installations between mud baffle 1001 and the base plate 1, be convenient for blockking the activated sludge in the sewage.

The utility model discloses a theory of operation and use flow: when the oxidation ditch for domestic sewage treatment is used, domestic sewage is added into the oxidation ditch 2 through the water inlet 6, the stop valve 1006 can be closed, the sludge cleaning cover 1004 at one end of the sludge inlet pipe 1007 is opened, activated sludge is conveyed into the oxidation ditch 2 through the sludge inlet pipe 1007, and the aerator 3 arranged at intervals is combined, so that the sewage conveyed to enter can be aerated, the domestic sewage is treated, the treated domestic sewage can be discharged through the water outlet 5, before the domestic sewage is discharged from the water outlet 5, larger impurities floating on the surface of the domestic sewage can be blocked through the blocking rod 905 and the blocking plate 906 arranged at the bottom end of the connecting rod 904, after the use is finished, the cover plate 907 is turned over to drive the connecting rod 904 to move, the connecting rod 904 can move in the sliding groove 902 through the sliding block 903, and larger garbage blocked by the blocking rod 905 and the blocking plate 906 can be collected uniformly, larger impurities floating on the surface of the sewage can be cleaned conveniently;

the activated sludge in the oxidation ditch 2 is blocked by the sludge baffle 1001 and runs by the sludge conveying pump 1002, the activated sludge blocked by the sludge baffle 1001 is extracted and conveyed by the sludge conveying pipe 1003 and the return pipe 1005, and the blocked activated sludge is conveyed to the water inlet 6 of the oxidation ditch 2 by the sludge inlet pipe 1007, so that the activated sludge can be rapidly collected and conveyed in a return way, and the sludge can be recycled;

when domestic sewage's associated activated sludge flows in oxidation irrigation canals and ditches 2, accessible mud boss 8 blocks the mud of bottom to through the rotation of stirring leaf 7, stir the mud of bottom, make the mud of bottom diffuse to domestic sewage in, clear up domestic sewage, reduced the long-pending bottom of mud and stayed, strengthened activated sludge's treatment effect to domestic sewage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An oxidation ditch for domestic sewage treatment, which comprises a substrate (1) and is characterized in that: the top end of the substrate (1) is connected with an oxidation ditch (2), the inner wall of the oxidation ditch (2) is connected with an aerator (3), the inner wall of the oxidation ditch (2) is connected with a mesh plate (4) corresponding to the outer side of the aerator (3), one end of the oxidation ditch (2) is connected with a water outlet (5), the other end of the oxidation ditch (2) is connected with a water inlet (6), the top end of the substrate (1) is uniformly connected with stirring blades (7) corresponding to the inner position of the oxidation ditch (2), and a sludge boss (8) is connected between the top end of the substrate (1) and the two stirring blades (7);

the top end of the oxidation ditch (2) is provided with a floating object blocking mechanism (9), and the floating object blocking mechanism (9) comprises a fixed seat (901), a sliding groove (902), a sliding block (903), a connecting rod (904), a blocking rod (905), a blocking plate (906), a cover plate (907), a fixed block (908) and a fixed groove (909);

fixing bases (901) are symmetrically installed at the top end of the oxidation ditch (2), a sliding groove (902) is formed in one end of each fixing base (901), sliding blocks (903) are evenly connected to the inner wall of each sliding groove (902) in a sliding mode, a connecting rod (904) is connected between every two corresponding sliding blocks (903), blocking rods (905) are evenly connected to the bottom end of each connecting rod (904), one end of each blocking rod (905) is connected with a blocking plate (906), one end of each fixing base (901) is rotatably connected with a cover plate (907), one end of each cover plate (907) is connected with a fixing block (908), and a fixing groove (909) is formed in the position, corresponding to the fixing block (908), of one end of each fixing base (.

2. The oxidation ditch for domestic sewage treatment according to claim 1, wherein the connecting rod (904) and the blocking rod (905) are members made of stainless steel, and the outer sides of the connecting rod (904) and the blocking rod (905) are coated with antirust paint.

3. The oxidation ditch for domestic sewage treatment as claimed in claim 1, wherein the outer surface of the mesh plate (4) is uniformly provided with through holes.

4. The oxidation ditch for domestic sewage treatment according to claim 1, wherein a sludge return mechanism (10) is embedded in one end of the oxidation ditch (2), and the sludge return mechanism (10) comprises a sludge baffle (1001), a sludge delivery pump (1002), a sludge delivery pipe (1003), a sludge cleaning cover (1004), a return pipe (1005), a stop valve (1006) and a sludge inlet pipe (1007);

the one end inner wall of oxidation irrigation canals and ditches (2) is connected with mud baffle (1001), the top of base plate (1) corresponds mud baffle (1001) position department and is connected with mud delivery pump (1002), the one end of mud delivery pump (1002) is connected with mud conveyer pipe (1003), the other end of mud conveyer pipe (1003) passes oxidation irrigation canals and ditches (2) and installs mud clearance lid (1004), the outside of mud conveyer pipe (1003) is connected with back flow (1005), the outside center department of back flow (1005) is connected with stop valve (1006), the one end of back flow (1005) is connected with mud and advances pipe (1007).

5. The oxidation ditch for domestic sewage treatment according to claim 4, wherein one end of the sludge inlet pipe (1007) passes through the outer wall of the oxidation ditch (2) and stays in the oxidation ditch (2), and the other end of the sludge inlet pipe (1007) is connected with a sludge cleaning cover (1004).

6. The oxidation ditch for domestic sewage treatment according to claim 4, wherein the sludge baffle (1001) and the base plate (1) are installed at an angle of 45 degrees.