阅读说明：本技术 一种弧形气水分离器 (Arc-shaped gas-water separator ) 是由 刘贤斌 李路 周安妮 于 2020-12-30 设计创作，主要内容包括：本发明提供的一种弧形气水分离器,其特征在于：包括弧形板、位于弧形板内侧的若干加强支撑竖向肋,弧形板某个端头设有竖向挡板、弧形板下侧水平延伸搭接若干水平固定底板,弧形板底部焊接下固定L形折板等部件,该气水分离器设于污水曝气池与二沉池之间,所述弧形板外侧朝向曝气池,内侧朝向曝气池和二沉池连通的穿墙孔洞,弧形板与墙壁穿墙孔洞形成的流道为等径流道。本发明构造简单、畅通不堵塞、水头损失小,与现有气水分离装置相比,它具有节能、无故障、造价低、不占地、气水分离效果好等优点。(The invention provides an arc-shaped gas-water separator, which is characterized in that: including the arc, be located a plurality of enhancement of arc inboard and support vertical rib, certain end of arc is equipped with a plurality of horizontal PMKD of vertical baffle, the extension overlap joint of arc downside level, and parts such as L shape folded plate are fixed to the arc bottom welding down, and this deareator is located between sewage aeration tank and the two heavy ponds, the arc outside is towards the aeration tank, and inboard is towards the wall hole of wearing of aeration tank and two heavy ponds intercommunication, and the runner that the arc and wall hole formed is the constant diameter runner. The invention has simple structure, no blockage and small head loss, and compared with the existing gas-water separation device, the invention has the advantages of energy saving, no fault, low cost, no land occupation, good gas-water separation effect and the like.)

1. The utility model provides an arc gas-water separator which characterized in that: including the arc, be located a plurality of enhancement of arc inboard and support vertical rib, certain end of arc is equipped with a plurality of horizontal PMKD of vertical baffle, arc downside level extension overlap joint, and the arc bottom outside is equipped with down fixed L shape folded plate and strengthens three angular ribs down, and this air-water separator locates between sewage aeration tank and the two heavy ponds, the arc outside is towards the aeration tank, and inboard is towards the wall hole of wearing of aeration tank and two heavy ponds intercommunication, and the passageway that the arc and wall wear the wall hole to form is the constant diameter runner.

2. The arc-shaped gas-water separator as claimed in claim 1, wherein: the arc-shaped plate is a 90-degree vertical arc-shaped plate, and the two arc-shaped sides of the arc-shaped plate continue to extend to straight sections with certain widths.

3. The arc-shaped gas-water separator as claimed in claim 1, wherein: two side edges of the lower fixed L-shaped folded plate are respectively connected with a lower reinforcing triangular rib.

4. The arc-shaped gas-water separator as claimed in claim 1, wherein: one end of the lower fixed L-shaped folded plate is tangentially welded on the outer side of the arc-shaped plate, and the other end of the lower fixed L-shaped folded plate is fixed on the side wall by expansion screws.

5. The arc-shaped gas-water separator as claimed in claim 1, wherein: the arc-shaped gas-water separator is made of stainless steel materials resistant to water corrosion.

6. The arc-shaped gas-water separator as claimed in claim 1, wherein: the arc-shaped plate, the reinforcing support vertical rib, the end vertical baffle, the horizontal fixing bottom plate, the lower fixing L-shaped folded plate and the lower reinforcing triangular rib are all connected in a welding manner.

Technical Field

The invention belongs to the field of gas-water separation of sewage aeration biochemical treatment technology, and particularly relates to an arc-shaped gas-water separator which can realize quick, simple and convenient and smooth separation of bubbles and activated sludge mixed liquid before gas-liquid-solid three-phase mixed liquid enters a secondary sedimentation tank.

Background

In the technical field of biochemical treatment of sewage, under the condition that an aeration tank and a secondary sedimentation tank are built together (share the tank wall), if mixed liquid in the aeration tank directly enters the secondary sedimentation tank, a poor problem is caused, namely bubbles in the mixed liquid enter the secondary sedimentation tank along with water flow, and a sludge settling layer of activated sludge is disturbed, so that the quality of outlet water of the secondary sedimentation tank is seriously influenced. In order to eliminate the bubbles entrained in the water flow, the known technology generally adopts a gas-water separation tank or a gas-water separation chamber, for example, page 308 of the fourth edition of the profession teaching material of the nineteen-five-important university of construction division, namely water supply engineering, introduces the water flow into a large container which is in contact with the atmosphere, the container is arranged at a relatively high position, then the water flow flows out from the lower part of the container, and because the water flow speed in the container is very low, the bubbles naturally escape from the water surface of the container when the floating speed of the bubbles is higher than the water flow speed. However, the traditional method consumes two parts of water heads from the aeration tank to the gas-water separation tank/chamber and the gas-water separation tank/chamber to the secondary sedimentation tank besides occupying the land, so that the water head loss in the process is large, the energy-saving operation is not facilitated, and the large height difference is necessarily generated on the tank surfaces of the aeration tank and the secondary sedimentation tank, so that the process flow arrangement and the integrated construction of civil engineering are not facilitated.

The device is composed of an ascending diversion inclined plate, a vertical flow stabilizing plate, an inclined diversion mud settling plate and the like, belongs to variable-channel overflowing, the upper end inlet of a gas-liquid-solid three-phase mixed liquid is narrow, and an intermediate overflowing channel is narrow, so that the guarantee degree of the gas-water separation effect is influenced. In addition, when the equipment is installed, because the height of the hole is small, the vertical drilling is difficult due to insufficient operation space of the electric drill. Therefore, the horizontal slit type gas-water separator disclosed by the patent has great limitation.

Based on the background and the defects of the known technology, the invention is brought forward by the practical engineering requirements of the integration of the aeration tank and the secondary sedimentation tank in the medium and small scale sewage treatment. The invention not only solves the problem of gas-water separation with high efficiency, but also obviously reduces the head loss between the aeration tank and the secondary sedimentation tank, saves a gas-water separation tank/chamber, saves the occupied land and the engineering investment, and has very obvious technical advantages and engineering economic advantages.

The invention thoroughly solves the problem of gas-water separation which needs to be solved by integrating the middle and small scale sewage treatment aeration tank and the secondary sedimentation tank on the basis of deeply innovating the known technology of sewage treatment. The arc-shaped gas-water separator is suitable for aeration and clarification integrated gas-water separation of 1 ten thousand tons/day scale and below.

Disclosure of Invention

Aiming at various problems in the prior art, the technical scheme adopted by the invention for solving the problems is as follows:

the utility model provides an arc gas-water separator which characterized in that: including the arc, be located a plurality of enhancement of arc inboard and support vertical rib, certain end of arc is equipped with a plurality of horizontal PMKD of vertical baffle, arc downside level extension overlap joint, and the arc bottom outside is equipped with down fixed L shape folded plate and strengthens three angular ribs down, and this air-water separator locates between sewage aeration tank and the two heavy ponds, the arc outside is towards the aeration tank, and inboard is towards the wall hole of wearing of aeration tank and two heavy ponds intercommunication, and the passageway that the arc and wall wear the wall hole to form is the constant diameter runner.

The arc-shaped plate is a 90-degree vertical arc-shaped plate, and the two arc-shaped sides of the arc-shaped plate continue to extend to straight sections with certain widths.

Two side edges of the lower fixed L-shaped folded plate are respectively connected with a lower reinforcing triangular rib.

One end of the lower fixed L-shaped folded plate is tangentially welded on the outer side of the arc-shaped plate, and the other end of the lower fixed L-shaped folded plate is fixed on the side wall by expansion screws.

The arc-shaped gas-water separator is made of stainless steel materials resistant to water corrosion.

The arc-shaped plate, the reinforcing support vertical rib, the end vertical baffle, the horizontal fixing bottom plate, the lower fixing L-shaped folded plate and the lower reinforcing triangular rib are all connected in a welding manner.

According to the invention, the 90-degree vertical arc-shaped plate and the matched components thereof are arranged on one side of the aeration tank, so that the flow direction of aeration ascending flow is gradually changed, and sufficient space is vacated for the inner side of the 90-degree vertical arc-shaped plate 1 to be used as a downlink channel of three-phase mixed liquid; in the process of changing the flow direction of the mixed liquid, the bubbles float to the water surface and are released; between the 90-degree vertical arc-shaped plate and the partition wall, the downward flow velocity of the mixed liquid is controlled within a small proper flow velocity range by controlling the area of the overflowing section, so that bubbles are prevented from being wrapped by water flow to the secondary sedimentation tank; the settled sludge at the bottom of the inner side of the 90-degree vertical arc-shaped plate can be taken away by water flow along the horizontal direction and slide down into a sludge discharge hopper of a secondary sedimentation tank without sludge accumulation; finally, auxiliary components such as a horizontal fixed bottom plate, a lower fixed L-shaped folded plate and the like are firmly fixed with the hole and the pool wall, so that the purpose of gas-water separation is realized.

The invention relates to an arc-shaped gas-water separator which is formed by welding a 90-degree vertical arc plate, a reinforcing support vertical rib, an end vertical baffle, a horizontal fixed bottom plate, a lower fixed L-shaped folded plate, a lower reinforcing triangular rib and the like, is fixed on the upstream side of a wall-through hole communicated with an aeration tank and a secondary sedimentation tank and is submerged in the aeration tank, and bubbles float upwards and escape in time in the process of flowing from top to bottom in an arc of the 90-degree vertical arc plate so as to realize gas-water separation. The 90-degree vertical arc-shaped plate is characterized in that two sides of the 90-degree arc-shaped plate continue to extend to form straight sections with certain width, so that the baffling guide flow stabilizing section with certain height is formed, and the 90-degree vertical arc-shaped plate can penetrate into the hole to reach certain width and is firmly lapped with the horizontal fixed bottom plate.

The outer side of the 90-degree vertical arc-shaped plate faces the aeration tank, and the inner side of the 90-degree vertical arc-shaped plate faces the wall-through hole communicated with the aeration tank and the secondary sedimentation tank; the flow channel formed by the 90-degree vertical arc-shaped plate and the wall through-wall hole is an equal-diameter flow channel, and the downward flow velocity v of the water flow of the channel_{Lower part}If the flow rate is smaller, the gas-water separation is not thorough due to overlarge flow rate; one end of the lower fixing L-shaped folded plate and the lower reinforcing triangular rib is tangentially welded on the outer side of the 90-degree vertical arc plate, and the other end of the lower fixing L-shaped folded plate is fixed on the side wall through expansion screws, so that the lateral water pressure can not cause equipment deformation and vibration shaking when water is filled at every time, and the overall stability of the equipment is greatly improved.

The technical originality and the technical reliability of the invention are mainly reflected in the following three aspects:

firstly, the technology of the cambered surface double-sided steady flow of the three-phase flow is original and pioneered, and the technical originality of the technology is fully embodied in the invention. Based on the bubble rising speed theory, under the guidance of fluid mechanics, the invention researches different characteristics of rising flow, descending flow and horizontal flow and a bubble moving track through simple and ingenious structural design, controls the size of a space through which a fluid passes by using the radian radius of a 90-degree vertical arc plate 1 at a certain designed flow, and actually controls parameters such as the fluid flow rate, the bubble movement speed vector difference and the like, thereby realizing the complete separation of gas and water. The arc-shaped structure is completely different from a conventional gas-water separation box or a conventional gas-water separation chamber, and is also essentially different from the structures of a rising flow guide inclined plate, a vertical flow stabilizing plate, an inclined flow guide mud settling plate and the like of a horizontal strip slit type gas-water separator (publication No. CN 103395853A, publication No. 2013.11.20), so that the arc-shaped structure has very remarkable difference and technical simplicity.

And secondly, energy-saving operation is realized by utilizing the original arc streamline configuration. The streamline structure of the integral 90-degree vertical arc-shaped plate 1 can ensure that micro bubbles generated by a micropore aeration device at the lower part of the aeration tank can be gathered and enlarged along the outer side of the 90-degree vertical arc-shaped plate 1 to escape upwards quickly, and a horizontal buffer section space at the upper right of the 90-degree vertical arc-shaped plate 1 and a downlink space with a sufficient inner side can be formed, so that the bubble wrapping capacity of water flow is reduced to the minimum, the quick separation of bubbles is realized smoothly, the water head loss of the water flow is extremely small and is only 1cm or less after the water flow passes through streamline turning, and the water head difference between the aeration tank and a secondary sedimentation tank can be even ignored in engineering.

Thirdly, the technical reliability is fully embodied. The simplest and often the most reliable way. The invention has simple and clear structure, is designed and manufactured by adopting stainless steel materials resistant to water corrosion, has simple device, fully considers the problems of simplicity and convenience of manufacture, construction and installation, reliability of structural strength, stability of lateral stress and the like, further considers the problem of blockage caused by impurities in mixed liquid, does not additionally occupy the volume of the aeration tank, does not have the phenomena of short flow and air leakage of fluid, is convenient to use in daily life, has no fault, blockage and siltation, belongs to an energy-saving innovative product for maintenance-free environment-friendly water treatment, and ensures that the operation and the use are free from worry.

The arc-shaped gas-water separator provided by the invention has the following three most obvious beneficial effects:

the first is that it is simple and fast and efficient: the invention utilizes the space structure of up-down deflection to specially construct a gentle transition space with bubble floating/water flow descending, creates a good bubble floating environment at the upper right side of the 90-degree vertical arc-shaped plate 1, utilizes a muddy water mixed liquid descending channel formed between the 90-degree vertical arc-shaped plate 1 and a partition wall, and utilizes the principle that the bubble floating speed is higher than the water flow descending speed difference under the condition of controlling the section size and the flow speed during design to realize the aim of quickly and efficiently separating bubbles from water flow. The invention has simple structure, smooth line type, high space utilization rate, quick and thorough bubble escape and obvious gas-water separation effect, and obtains unexpected satisfactory effect which can not be obtained by other gas-water separation equipment or devices.

Secondly, the energy-saving effect is obvious: the invention does not need to build an independent gas-water separation tank/chamber outside the aeration tank, but is directly submerged under water, compared with the independent gas-water separation tank/chamber, the invention considers the head loss of the front end and the rear end to save the head of more than 1m, the invention hardly consumes any power, has little head loss, and realizes the purposes of energy saving and low-cost operation of sewage treatment. Even compared with a horizontal strip slit type gas-water separator (publication No. CN 103395853A, publication No. 2013.11.20), the invention adopts a 90-degree vertical arc streamline flow passage design, so that the water flow is smoother, the head loss is less, and the operation is more stable and firm. Therefore, the invention is a water treatment energy-saving and environment-friendly device in the true sense.

Thirdly, the technology economy is good: the device is formed by welding all stainless steel simple components, does not have any mechanical movable part or electric equipment, does not need a valve device or a filtering and intercepting mechanism, is not easy to damage and block, has extremely high operation reliability and no maintenance workload. When the method is applied to engineering practice, the engineering cost is obviously saved, the land is saved, the operation cost is reduced, seamless integration of two procedures of aeration and clarification (secondary sedimentation tank sedimentation) is realized, the pool type of aeration and sedimentation integration can be well matched, the application range is wide, and the operation management of a sewage treatment plant is greatly facilitated.

The advantages of the arc-shaped gas-water separator fully show that the arc-shaped gas-water separator has smooth aerodynamic and hydrodynamic operation, high gas-water separation efficiency, ingenious and simple structure, simple and convenient manufacture and installation, no extra power, no land occupation, low engineering investment, energy conservation, low operation cost, no maintenance, simple operation management and particularly wide application in the sewage treatment industry of China and novel urbanization construction.

Drawings

FIG. 1 is a schematic diagram of the field assembly of an arc-shaped gas-water separator of the present invention.

FIG. 2 is a detailed view of the cross-sectional structure of an arc-shaped gas-water separator of the present invention.

FIG. 3 is a three-dimensional schematic view A of an arc-shaped gas-water separator according to the present invention;

FIG. 4 is a three-dimensional schematic view B of an arc-shaped gas-water separator according to the present invention;

FIG. 5 is a schematic three-dimensional view C of an arc-shaped gas-water separator according to the present invention;

wherein: the vertical arc-shaped plate comprises 1-90 degrees of vertical arc-shaped plates, 2-reinforced supporting vertical ribs, 3-end vertical baffle plates, 4-horizontal fixed bottom plates, 5-lower fixed L-shaped folded plates and 6-lower reinforced triangular ribs.

Detailed Description

The technical solutions in the following embodiments will be further clearly and completely described below with reference to the accompanying drawings in the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. Based on the embodiment of the invention, persons skilled in the art are inspired to design arc-shaped gas-water separators with different specifications and sizes without creative labor. Therefore, variations, improvements, modifications, substitutions, integrations, modifications and the like of the present embodiments can be made without departing from the spirit and principle of the invention, and they are within the protection scope of the present invention.

Example one

Referring to the attached drawings 1, 2 and 3, the present invention will be further explained in detail by using an arc-shaped gas-water separator of the present invention as an embodiment in conjunction with a certain sewage treatment project in south-yang city, south-Henan province. Thus, the present embodiment provides a practical solution that has been successfully implemented.

It is emphasized that the detailed description of the embodiments is provided to assist understanding of the spirit and intent of the present invention, and is not to be construed as limiting the invention. Moreover, in the following description, descriptions of well-known techniques and familiar structures (e.g., lap welding, bolted or welded on site for segment fabrication for vehicle transportation, etc.) have been omitted from the art to avoid unnecessarily obscuring the concepts of the present invention.

The scale of sewage treatment in this example was 1 km³D, in order to facilitate the maintenance of the pool or the equipment without stopping production, the design is divided into 2 seats each with 5000m³D, an aeration tank and a sedimentation tank are combined into an integrated tank. FIG. 1 shows a single seat 5000m³The rear end part of the aeration and sedimentation integrated tank of the embodiment is a site general assembly use schematic diagram of the arc-shaped gas-water separator, the effective water depth of the aeration tank is 5.30m, 4 arc-shaped gas-water separators are arranged and are arranged at 2 water passing holes with the horizontal length of 5.60m respectively, the height of the hole bottom from the tank bottom is 1.20m, the clear height of the inside of the hole is 0.40m, the length of a single arc-shaped gas-water separator is 2.80m, the height of the gas-water separator is 0.55m, and the gas-water separation effect is fully guaranteed.

Fig. 2 shows a detailed sectional structure diagram of the arc-shaped gas-water separator of the embodiment, and fig. 3 is a three-dimensional perspective diagram of the arc-shaped gas-water separator of the embodiment.

As shown in fig. 1, 2 and 3, the arc-shaped gas-water separator of the embodiment comprises a 90-degree vertical arc plate 1, a reinforced supporting vertical rib 2, an end vertical baffle 3, a horizontal fixed bottom plate 4, a lower fixed L-shaped folded plate 5, a lower reinforced triangular rib 6 and the like, and is welded into a whole.

The parts are all made of stainless steel materials resistant to water corrosion.

The lower part of the 90-degree vertical arc-shaped plate 1 extends into a hole of the partition wall and is in lap joint welding with the horizontal fixed bottom plate 4, most of the 90-degree vertical arc-shaped plate 1 is suspended in the aeration tank and is firmly welded with the reinforced supporting vertical rib 2, the end vertical baffle 3, the horizontal fixed bottom plate 4, the lower fixed L-shaped folded plate 5, the lower reinforced triangular rib 6 and other parts to form a whole; the number of the 90-degree vertical arc-shaped plates 1 is 1, the arc radius is 400mm, the length of the arc-shaped plate is 2.80m, and the two sides of the arc-shaped plate respectively extend for 150 mm;

the reinforcing support vertical ribs 2 are similar to rhombuses, the two ends of each reinforcing support vertical rib are 90-degree angles, the right-angle sides of the two 90-degree angles are respectively welded with the extending sections on the two sides of the 90-degree vertical arc-shaped plate 1, the welding direction of each reinforcing support vertical rib is vertical, a flow passage formed after welding does not block water flow or cause blockage, a water flow guide effect can be achieved, and the overall rigidity of the 90-degree vertical arc-shaped plate 1 is mainly increased; the number of the reinforcing and supporting vertical ribs 2 is 4 or 5;

the end vertical baffle 3 is welded at one end of the 90-degree vertical arc-shaped plate 1 to prevent bubbles from being mixed due to short circuit of water flow at the side edge, the shape of the end vertical baffle is a 90-degree right angle and a 90-degree arc edge of a corresponding edge, the arc edge is welded with the 90-degree arc edge of the 90-degree vertical arc-shaped plate 1, and the arc radius is 400 mm; the number of the end vertical baffles 3 is at most 1; when no side water flow needs to be blocked, the end vertical baffle 3 is not arranged.

The horizontal fixing bottom plate 4 is a rectangular long-strip-shaped steel plate, the size L multiplied by B is 370 multiplied by 100mm, one end of the horizontal fixing bottom plate is provided with a small hole for fixing an expansion screw in a wall through hole, the other end of the horizontal fixing bottom plate is welded below a straight extending section of the 90-degree vertical arc-shaped plate 1 in an overlapped mode, and the overlapped length is 150 mm; the number of the horizontal fixed bottom plates 4 is 6;

the lower fixed L-shaped folded plate 5 is bent by a rectangular long-strip-shaped steel plate, the size L multiplied by B is 382 multiplied by 100mm, the bending angle is 55 degrees, a bending section is provided with small holes for fixing expansion screws on a wall below a wall through hole, the other end of the bending section is welded below an arc section of the 90-degree vertical arc plate 1 in a tangential direction, and the lower fixed L-shaped folded plate has two functions, namely, the lower fixed L-shaped folded plate can bear the weight of an equipment body during installation and no-load, and can be pulled to avoid micro-deformation of the equipment due to lateral water pressure during water filling, so that the overall rigidity of the equipment during operation is enhanced, and the; the number of the lower fixing L-shaped folded plates 5 is 6, and the lower fixing L-shaped folded plates correspond to the horizontal fixing bottom plates 4 one by one;

the lower reinforcing triangular ribs 6 strengthen the stress of the lower fixing L-shaped folded plate 5, prevent the lower fixing L-shaped folded plate 5 from deforming when stressed, and are welded on two sides of the lower fixing L-shaped folded plate 5 to form a dustpan shape; the number of the lower reinforcing triangular ribs 6 is 12.

Specifically, the arc-shaped gas-water separator in the embodiment has the following main technical specification parameters:

the equipment L × B × H is 2800 × 400 × 550 mm; the maximum flow velocity of an inlet at the upper end of the device is less than or equal to 0.05 m/s.

As shown in fig. 1, 2 and 3, in the present embodiment, when operating, bubbles generated by the microporous aeration device at the bottom of the pool are shielded by the 90 ° vertical arc-shaped plate 1 during the floating process, and cannot enter the through-wall holes along with the water flow, and meanwhile, the bubbles are concentrated and enlarged during the rising process along the outer arc surface of the 90 ° vertical arc-shaped plate 1, and float up faster until escaping from the water surface. Although the water flow above the equipment still contains a small amount of bubbles, the descending speed of the water flow is obviously less than the ascending speed of the bubbles, so that the bubbles can escape upwards in the advancing process, and the water flow enters the muddy water mixed liquid in the secondary sedimentation tank through the through-wall hole and does not contain visible bubbles but still contains a certain amount of dissolved oxygen, so that the embodiment has an excellent gas-water separation effect, and the equipment has extremely high reliability as long as the production, processing and field installation engineering quality is controlled according to the relevant national standard, and meanwhile, the equipment also has very remarkable economical efficiency and convenience.

As described above, the present invention can be preferably implemented by elaborate conception, calculation and detailed design.

In conclusion, the arc-shaped gas-water separator has a simple structure, is formed by firmly welding stainless steel sheet metal parts, can avoid short flow, fully separate bubbles from mud-water mixture, obviously ensure the gas-water separation effect and fundamentally prevent impurities in sewage from blocking and breaking down on the aspects of function and performance. In addition, the structure is simple, the integrity is strong, no mechanical moving part exists, the whole body is submerged below the middle part of the water pool, the installation is easy, and the head loss is small, so the device has wide applicability.

Example two

Now, the invention will be explained in further detail by taking an arc-shaped gas-water separator as an embodiment in a sewage treatment project of a certain village and a certain town in the Yangtze river city of Hubei province. Therefore, the embodiment provides a practical and feasible technical scheme which is successfully applied.

The scale of sewage treatment in this example was 1600m³D, in order to facilitate the maintenance of the pool or the equipment without stopping production, the design is divided into 2 grids of 800m each³The aeration and sedimentation integrated tank of/d, and a single grid of 800m is shown in figure 1³The rear end section schematic diagram of the integrated tank of the/d, namely the field assembly use schematic diagram of the arc-shaped gas-water separator of the embodiment, is that the effective water depth of the aeration tank is 4.30m, 4 arc-shaped gas-water separators are arranged and installed at 2 water passing holes with the horizontal length of 4.02m respectively, the height of the hole bottom from the tank bottom is 1.00m, the clear height of the inside of the hole is 0.30m, the length of a single arc-shaped gas-water separator is 2.00m, the height of the gas-water separator is 0.45m, and the gas-water separation effect is fully ensured.

Fig. 2 shows a detailed sectional structure diagram of the arc-shaped gas-water separator of the embodiment, and fig. 3 is a three-dimensional perspective diagram of the arc-shaped gas-water separator of the embodiment.

As shown in fig. 1, 2 and 3, the arc-shaped gas-water separator of the embodiment comprises a 90-degree vertical arc plate 1, a reinforced supporting vertical rib 2, an end vertical baffle 3, a horizontal fixed bottom plate 4, a lower fixed L-shaped folded plate 5, a lower reinforced triangular rib 6 and the like, and is welded into a whole.

The parts are all made of stainless steel materials resistant to water corrosion.

The lower part of the 90-degree vertical arc-shaped plate 1 extends into a hole of the partition wall and is in lap joint welding with the horizontal fixed bottom plate 4, most of the 90-degree vertical arc-shaped plate 1 is suspended in the aeration tank and is firmly welded with the reinforced supporting vertical rib 2, the end vertical baffle 3, the horizontal fixed bottom plate 4, the lower fixed L-shaped folded plate 5, the lower reinforced triangular rib 6 and other parts to form a whole; the number of the 90-degree vertical arc-shaped plates 1 is 1, the arc radius is 230mm, the length of the arc-shaped plate is 2.00m, and the two sides of the arc-shaped plate respectively extend for 220 mm;

the reinforcing support vertical ribs 2 are similar to rhombuses, the two ends of each reinforcing support vertical rib are 90-degree angles, the right-angle sides of the two 90-degree angles are respectively welded with the extending sections on the two sides of the 90-degree vertical arc-shaped plate 1, the welding direction of each reinforcing support vertical rib is vertical, a flow passage formed after welding does not block water flow or cause blockage, a water flow guide effect can be achieved, and the overall rigidity of the 90-degree vertical arc-shaped plate 1 is increased; the number of the reinforcing and supporting vertical ribs 2 is 3 or 4;

the end vertical baffle 3 is welded at one end of the 90-degree vertical arc-shaped plate 1 to prevent bubbles from being mixed due to short circuit of water flow at the side edge, the shape of the end vertical baffle is a 90-degree right angle and a 90-degree arc edge of a corresponding edge, the arc edge is welded with the 90-degree arc edge of the 90-degree vertical arc-shaped plate 1, and the arc radius is 230 mm; the number of the end vertical baffles 3 is at most 1; when no side water flow needs to be blocked, the end vertical baffle 3 is not arranged.

The horizontal fixing bottom plate 4 is a rectangular long-strip-shaped steel plate, the size L multiplied by B is 320 multiplied by 100mm, one end of the horizontal fixing bottom plate is provided with a small hole for fixing an expansion screw in a wall through hole, the other end of the horizontal fixing bottom plate is welded below a straight extending section of the 90-degree vertical arc-shaped plate 1 in an overlapped mode, and the overlapped length is 220 mm; the number of the horizontal fixed bottom plates 4 is 5;

the lower fixed L-shaped folded plate 5 is bent by a rectangular strip-shaped steel plate, the size L multiplied by B is 270 multiplied by 100mm, the bending angle is 55 degrees, a bending section is provided with small holes for fixing expansion screws on a wall below a wall through hole, the other end of the bending section is welded below an arc section of the 90-degree vertical arc plate 1 in a tangential direction, and the lower fixed L-shaped folded plate has two functions, namely, the lower fixed L-shaped folded plate can bear the weight of an equipment body during installation and no-load, and can be pulled to avoid micro deformation of the equipment due to lateral water pressure during water filling, so that the overall rigidity of the equipment during operation is enhanced, and the long-term; the number of the lower fixing L-shaped folded plates 5 is 5, and the lower fixing L-shaped folded plates correspond to the horizontal fixing bottom plates 4 one by one;

the lower reinforcing triangular ribs 6 strengthen the stress of the lower fixing L-shaped folded plate 5, prevent the lower fixing L-shaped folded plate 5 from deforming when stressed, and are welded on two sides of the lower fixing L-shaped folded plate 5 to form a dustpan shape; the number of the lower reinforcing triangular ribs 6 is 10.

Specifically, the arc-shaped gas-water separator in the embodiment has the following main technical specification parameters:

the equipment L multiplied by B multiplied by H is 2000 multiplied by 230 multiplied by 450 mm; the maximum flow velocity of an inlet at the upper end of the device is less than or equal to 0.05 m/s.

The detailed structural and functional descriptions are the same as those in the first embodiment, and are not repeated here.

As described above, the present invention can be preferably implemented by elaborate conception, calculation and detailed design.

From the two embodiments, the arc-shaped gas-water separator has wider adaptability, is not only suitable for large-scale urban sewage treatment, but also suitable for wide rural and rural sewage treatment, only needs to properly adjust design parameters in project design, and does not need to construct other complicated and energy-consuming gas-water separation devices or structures, so the arc-shaped gas-water separator has unexpected beneficial effects compared with other forms of gas-water separators.

Compared with other known gas-water separation devices, the arc-shaped gas-water separator has the advantages that the gas-water separation energy consumption can be saved by 40% or more, the gas-water separation efficiency can be improved by at least 20% or more, and therefore, the technology and the economic benefit of the invention are very obvious.

Finally, it should be noted that: the above description is only a preferred embodiment of the arc-shaped gas-water separator of the present invention, and is not intended to limit the present invention, and it will be obvious to those skilled in the art that modifications may be made to the technical solutions of the embodiments of the present invention, or equivalents may be substituted for some technical features, and any modifications, equivalents, improvements, etc. made are all included in the scope of the present invention.