CN217947890U

CN217947890U - Full-automatic improvement bypass type AO-sand filtration integration equipment

Info

Publication number: CN217947890U
Application number: CN202221131467.6U
Authority: CN
Inventors: 王玉杰; 邱俊; 邱进; 康梦辉; 戴榕; 罗槽; 项名智; 涂文超; 陈昌会
Original assignee: Jiangxi Yizhijie Environmental Protection Technology Co ltd
Current assignee: Jiangxi Yizhijie Environmental Protection Technology Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-12-02
Anticipated expiration: 2032-05-12

Abstract

The utility model provides a full-automatic improvement bypass type AO-sand filtration integration equipment, including anaerobic zone, aerobic zone, vertical flow settling zone, quartz sand filtering area and clear water district. The fully-automatic improved bypass AO-sand filtration integrated equipment can effectively solve the problems that the backwashing efficiency of a gravity sand filtration equipment water passing and sand filtration equipment backwashing system is unreasonable to cause is reduced, effluent suspended matters do not reach the standard, and the filtering effect of an unwashed sand filtration area is not good, and can also reduce steel members used by aerobic packing in the construction process, effectively reduce labor cost, material cost and maintenance cost, automatically operate the whole set of integrated equipment, and reduce the equipment maintenance problem caused by human factors such as improper operation and unattended management.

Description

Full-automatic improvement bypass type AO-sand filtration integration equipment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to full-automatic improvement bypass type AO-sand filtration integration equipment.

Background

The gravity sand filtering equipment is a water filtering treatment process using natural quartz sand as a filtering material, and is equipment for filtering by means of static pressure generated by the self weight of treated water (or waste water). The sand filtration equipment utilizes the quartz sand filter material to intercept suspended solids and colloidal particles in water, thereby reducing the turbidity of the water and reducing the suspended solids of the effluent. However, after long-time interception and filtration, suspended matters and colloidal particles in water are adhered to quartz sand, so that the filtration effect is continuously reduced, equipment is blocked, and the treatment and purification of the whole sewage system are affected.

The sand filtration equipment back flush system is invented under the condition, the traditional sand filtration is that water passing holes are formed in the partition plates of the sand filtration area and the clear water area, the sand filtration back flush system is provided with a submersible pump in the clear water area, a back flush pipeline is installed through the water passing holes, and clear water in the clear water tank is used for pressure type flushing of quartz sand. However, this method has disadvantages that the sand filtration area and the clean water area are not completely separated, and the dirty water from the back washing continuously circulates in the clean water area and the sand filtration area due to the water passing holes, which causes the conditions of reduced back washing efficiency, substandard effluent suspended matter, and poor filtration effect of the sand filtration area which is not washed clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a full-automatic improvement bypass type AO-sand filtration integration equipment to solve the current sewage treatment plant backwash efficiency decline, go out that the water suspended solid is not up to standard, the not good problem of the sand filtration district filter effect that washes clean.

The utility model provides a full-automatic improvement bypass type AO-sand filtration integration equipment, including anaerobic zone, aerobic zone, vertical flow settling zone, quartz sand filtering area and clear water district.

Furthermore, a water inlet pipe is arranged on one side of the anaerobic zone, a perforated aeration pipe is arranged in the anaerobic zone, and a water through hole of the anaerobic zone is arranged on one side of the anaerobic zone, which is close to the aerobic zone.

Furthermore, a plurality of groups of microporous aeration discs are arranged at the bottom of the aerobic zone, and braid-type biological rope fillers are arranged in the middle of the aerobic zone.

Furthermore, channel steel or angle steel is arranged at the position of the aerobic zone corresponding to the braid type biological rope packing.

Furthermore, the aerobic zone is communicated with the vertical flow settling zone through a central guide flow cylinder, and one side of the vertical flow settling zone, which is close to the quartz sand filtering zone, is provided with overflow weir water passing holes.

Further, the quartz sand filtering area is filled with a quartz sand layer and is communicated with the clean water area through a quartz sand water passing pipe, and a quartz sand water passing electric control valve is arranged in the middle of the quartz sand water passing pipe.

Furthermore, a backwashing pipe is connected to the quartz sand water pipe, and a backwashing pump, a one-way check valve and a rubber soft joint are sequentially mounted on the backwashing pipe.

The fully-automatic improved bypass AO-sand filtration integrated equipment can effectively solve the problems that the backwashing efficiency of a gravity sand filtration equipment water passing and sand filtration equipment backwashing system is unreasonable to cause is reduced, effluent suspended matters do not reach the standard, and the filtering effect of an unwashed sand filtration area is not good, and can also reduce steel members used by aerobic packing in the construction process, effectively reduce labor cost, material cost and maintenance cost, automatically operate the whole set of integrated equipment, and reduce the equipment maintenance problem caused by human factors such as improper operation and unattended management.

Drawings

FIG. 1 is a schematic view showing the construction of a fully automatic improved bypass type AO-sand filtration integrated apparatus according to a first embodiment of the present invention.

Description of the main element symbols:

the following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the present invention provides a fully automatic improved bypass type AO-sand filtration integrated apparatus, which comprises an anaerobic zone 1, an aerobic zone 2, a vertical flow settling zone 3, a quartz sand filtration zone 4 and a clean water zone 5.

In an embodiment of the present invention, a water inlet pipe 101 is disposed on one side of the anaerobic zone 1, a perforated aeration pipe 102 is disposed in the anaerobic zone 1, and a water hole 103 is disposed on one side of the anaerobic zone 1 close to the aerobic zone 2. The bottom of the aerobic zone 2 is provided with a plurality of groups of microporous aeration discs 201, and the middle part of the aerobic zone 2 is provided with a braid-type biological rope filler 202. The aerobic zone 2 is communicated with the vertical flow settling zone 3 through a central guide shell 301, and one side of the vertical flow settling zone 3, which is close to the quartz sand filtering zone 4, is provided with overflow weir water passing holes 302. The quartz sand filtering area 4 is filled with a quartz sand layer 401, the quartz sand filtering area 4 is communicated with the clean water area 5 through a quartz sand water passing pipe 402, and the middle part of the quartz sand water passing pipe 402 is provided with a quartz sand water passing electric control valve 403.

In an embodiment of the present invention, the quartz sand conduit 402 is connected to a back-washing pipe 501, and the back-washing pipe 501 is sequentially provided with a back-washing pump 502, a one-way check valve 503, and a rubber soft connector 504. After the quartz sand filtering area 4 is blocked by solid matter filtered for a long time and needs backwashing, the quartz sand water passing electric control valve 40) is closed, the backwashing pump 502 is opened to enable clear water in the clear water area 5 to flow back to the quartz sand filtering area 4 through the quartz sand water passing pipe 402, and the clear water is increased from bottom to top and flows out through the sand filtering overflow pipe 404.

Specifically, the top of the anaerobic zone 1 is provided with a water inlet pipe 101, sewage enters the anaerobic zone 1 and is aerated through a perforated aeration pipe 102, the bottom of the perforated pipe is obliquely perforated at 45 degrees in a staggered mode, the length of the perforated pipe is equal to the length of the anaerobic zone 1 minus 300-400mm, and the width of the perforated pipe is about 1 meter. The anaerobic zone 1 makes organic matters undergo hydrolysis, acidification and methanation by using the action of anaerobic bacteria, removes the organic matters in the wastewater, improves the biodegradability of the sewage, and is beneficial to subsequent aerobic treatment. And then flows into the aerobic zone 2 through the anaerobic zone water passing holes 103. 2 and the water is connected through central draft tube 301 to the vertical flow settling zone 3 in good oxygen district, and central draft tube 301 below has set up a reflecting plate (the figure does not mark), passes through central draft tube 301 downflow when sewage, and the suspended solid bevel angle interception in with sewage through the reflecting plate is in the mud bucket pond (the figure does not mark), and the supernatant passes through the overflow weir during water hole 302 flows into quartz sand filtration district 4, and overflow weir crosses water hole 302 hole top apart from equipment roof 300 to 500mm. After sewage flows into the quartz sand filtering area 4, the sewage flows downwards through the quartz sand layer 401 for filtering, the upper layer of the quartz sand layer 401 is quartz sand with large grain size, the middle layer of the quartz sand layer 401 is quartz sand with large grain size, and the lower layer of the quartz sand layer is quartz sand with small grain size. When sewage passes through the quartz sand layer 401, the sewage can be purified by intercepting and intercepting solids, the purified sewage flows into the clean water area (5) through the quartz sand water passing pipe 402, and the flow can be regulated through the quartz sand water passing control valve 403.

The sewage after filtration flows into the clean water area 5 through the quartz sand water passing pipe 402, and simultaneously when the water amount entering the quartz sand filtering area 4 is too large and cannot be filtered in time, the sewage flows out through the sand filtration overflow pipe 404 and can flow back to the front end adjusting tank or the anaerobic area 1, and the center distance between the pipe center of the sand filtration overflow pipe 404 and the equipment top plate is 100-200 mm. The bottoms of the clear water area 5 and the quartz sand filtering area 4 are provided with a quartz sand water passing pipe 402, the quartz sand water passing pipe 402 is provided with a three-way back flushing pipe 501, and the back flushing pipe 501 is provided with a back flushing pump 502, a one-way check valve 503 and a rubber soft joint 504. The water inlet end of the backwash pump 502 is a clean water area 5, the water outlet end is a quartz sand filtering area 4, and the backwash pump 502, the one-way check valve 503 and the rubber soft joint 504 are respectively installed in the water flowing direction. When backwashing is performed, the quartz sand is automatically closed through the water electric control valve 403, and the backwashing pump 502 is automatically opened. The clear water is prevented from flowing into the clear water area 5 again through the quartz sand water passing pipe 402 when flowing into the quartz sand filtering area 4 for backwashing, so that the water quality of the clear water area 5 is turbid, and the backwashing efficiency is improved.

In an embodiment of the present invention, a channel steel or an angle steel (not shown) is disposed in the aerobic zone 2 corresponding to the braid-type bio-rope packing 202. As shown in fig. 1, the aerobic zone 2, and the microporous aeration discs 201 and the braid-type bio-rope fillers 202 installed in the aerobic zone 2, wherein the braid-type bio-rope fillers 202 are located above the microporous aeration discs 201, the number of the microporous aeration discs 201 is about 0.25 square meter per square meter of the projection area of the aerobic zone, the width of the braid-type bio-rope fillers 202 is equal to the width of the equipment body, and the height is one half of the height of the equipment body. Braided belt formula biological rope filler 202 need be in 2 both ends welded fastening support (channel-section steel or angle steel) in good oxygen district, and the fixed bolster punches, about 10 sizes, and braided belt formula biological rope filler 202 is different from traditional hanging filler, and every biological rope is fixed through existing braided belt, only needs two fixed steel members (channel-section steel or angle steel) of cell body both ends installation, need not additionally to increase steel members such as brace, fixed muscle, reduces the steel construction cost.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A full-automatic improved bypass type AO-sand filtration integrated equipment is characterized by comprising an anaerobic zone, an aerobic zone, a vertical flow sedimentation zone, a quartz sand filtration zone and a clear water zone;

a water inlet pipe is arranged on one side of the anaerobic zone, a perforated aeration pipe is arranged in the anaerobic zone, and a water through hole of the anaerobic zone is arranged on one side of the anaerobic zone close to the aerobic zone;

the aerobic zone is communicated with the vertical flow sedimentation zone through a central guide cylinder, and one side of the vertical flow sedimentation zone close to the quartz sand filtering zone is provided with an overflow weir water through hole;

the quartz sand filtering area is filled with a quartz sand layer, the quartz sand filtering area is communicated with the clear water area through a quartz sand water passing pipe, and the middle part of the quartz sand water passing pipe is provided with a quartz sand water passing electric control valve;

the quartz sand water pipe is connected with a back washing pipe, and the back washing pipe is sequentially provided with a back washing pump, a one-way check valve and a rubber soft connector.

2. The fully automatic improved by-pass type AO-sand filtration integrated apparatus of claim 1, wherein the bottom of said aerobic zone is equipped with a plurality of sets of microporous aeration discs, and the middle of said aerobic zone is equipped with braided biological rope packing.

3. The fully automated improved by-pass AO-sand filtration integrated apparatus of claim 2, wherein the aerobic zone is provided with channel steel or angle steel at a position corresponding to the braided bio-rope packing.