CN103395853B - Horizontal slit type gas-water separator - Google Patents
Horizontal slit type gas-water separator Download PDFInfo
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- CN103395853B CN103395853B CN201310358676.3A CN201310358676A CN103395853B CN 103395853 B CN103395853 B CN 103395853B CN 201310358676 A CN201310358676 A CN 201310358676A CN 103395853 B CN103395853 B CN 103395853B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The present invention provides a horizontal slit type gas-water separator for gas-water separation of aeration tank effluent in the field of sewage biological treatment so as to prevent air bubbles from entering the adjacent clarifying tank. The horizontal slit type gas-water separator comprises a rising diversion inclination plate (1), a vertical direction flow stabilizing plate (2), a horizontal fixation bottom plate (3), an inclination direction diversion mud sedimentation plate (4) and a strengthening rib plate (5), wherein the horizontal fixation bottom plate (3) is connected with the bottom of the rising diversion inclination plate (1), the top of the rising diversion inclination plate (1) is connected with the bottom of the vertical direction flow stabilizing plate (2), one end of the inclination direction diversion mud sedimentation plate (4) is connected with the rising diversion inclination plate (1), the other end of the inclination direction diversion mud sedimentation plate (4) is connected with the horizontal fixation bottom plate (3), one end of the strengthening rib plate (5) is connected with the vertical direction flow stabilizing plate (2), and the other end of the strengthening rib plate (5) is connected with the horizontal fixation bottom plate (3). The horizontal slit type gas-water separator has characteristics of simple and reliable structure, good gas-water separation effect, and no requirement of external power, and provides advantages of no land occupation, investment saving, no failure, energy saving and the like compared with the conventional gas-water separation tank or gas-water separation chamber.
Description
Technical field
What the present invention relates to is the gas and water separator that a kind of sewage aeration biochemical treatment is used, and particularly utilizes the velocity contrast between bubble buoyancy rising and current decline, realizes the horizontal bar seam air water separator of aeration mixed solution bubble separation.
Background technology
Conventional sewage water treatment method is taking biochemical process as main, i.e. activated sludge process and the large class of biomembrance process two, and wherein activated sludge process is the most widely used a kind of two stage biological treatment process in current countries in the world.Activated Sludge Process is after aeration biochemical is processed, conventionally to enter secondary sedimentation basins and carry out mud-water separation, carry out mud-water separation, such as AO diatomite technique, double-face flow-guiding Hydraulic Circulation clarification process, IBR Continuous Flow rhythmic reaction technique, Z-type and V-type stripping reflux two-stage precipitation integral technique etc. and there is at present increasing middle and small scale sewage disposal to adopt settling pond to substitute conventional secondary sedimentation basins.In order to realize the object that construction investment is economized, land occupation is few and working cost is low, aeration tank and settling pond can be built jointly, make aeration tank water outlet directly enter settling pond, but can bring, a problem---aeration tank underwater bubble easily enters into settling pond with current, by the disturbance slime layer that suspends, then have a strong impact on settling pond effluent quality.
At water-treatment technology field, in order to eliminate the bubble of carrying secretly in current, conventionally adopt the way of gas-water separation case or air-water separation chamber, for example the 4th edition the 308th page of the Ministry of Construction's 95 key university's specialized teaching material " water supply engineering ", is incorporated into current in the larger container contacting with atmosphere exactly, and this container is located at relatively eminence, then current flow out from container bottom, in container, current downstream rate is very low, and in the time that bobble rise velocity is greater than current downstream rate, bubble nature is overflowed from the water surface.But traditional method, except needs take up an area, has also consumed the head from aeration tank to gentle water separating tank/chamber, gas-water separation case/chamber to settling pond two ends, the head loss in flow process is strengthened, be unfavorable for energy-saving run.
Based on many deficiencies of above-mentioned background and known technology, add the integrated requirement of engineering of middle and small scale sewage treatment aeration tank and settling pond, the present invention is arisen at the historic moment.
Summary of the invention
The present invention, on the basis of in-depth innovation water treatment known technology, has taken the lead in solving the integrated gas-water separation problem that needs solution of middle and small scale sewage treatment aeration tank and settling pond.The present invention's " horizontal bar seam air water separator ", is applicable to 10,000 ton per day scales and following sewage aeration is clarified close-coupled processing; Another invention " facing upward oblique porous air water separator " of the application same period, the sewage aeration clarification that is applicable to 10,000~100,000 ton per day scales is close-coupled processing.
Object of the present invention, is to propose device a kind of simple and effective, that can meet aeration tank muddy water gas three-phase mixture bubble separation, to be widely used in 10,000 ton per day scales and the clarification of following sewage aeration is close-coupled processing.
The present invention, except efficient solution gas-water separation, has also significantly reduced head loss between pond, has saved gas-water separation case/chamber and saved occupation of land and construction investment.The present invention is energy-conservation, non-maintaining, and operational management is easy.
The present invention realizes above-mentioned purpose like this.By tend to the rising flow guiding inclined plate of aeration tank in aeration tank one side setting, with the flow direction of appropriate change upwelling, be the muddy water mixed solution at the rising flow guiding inclined plate back side certain space of transferring to other use out; Again by the current stabilization effect of vertical stabilier, the water surface of bubbles top is discharged, between vertical stabilier and partition wall, by controlling descending flow velocity that flow section area controls muddy water mixed solution under a little suitable flow rates, to ensure bubble not entrainmented by current under; By the heavy mud plate of oblique water conservancy diversion is set at the rising flow guiding inclined plate back side again, on plate, heavy mud will Parallel to the flow direction be pulled away and be slipped in settling pond mud-removing bucket and occur deposition phenomenon; Finally, by the auxiliary parts such as horizontal fixed base plate, deep floor and mounting block are set, add horizontal two ends and the pool wall close proximity of device, realize smoothly the object of above-mentioned gas-water separation.
Horizontal bar seam air water separator of the present invention, comprise rising flow guiding inclined plate, vertical stabilier, horizontal fixed base plate, the heavy mud plate of oblique water conservancy diversion and deep floor, described horizontal fixed base plate is fixed on partition wall hole lower surface by fixation kit, horizontal fixed base plate is connected with the bottom of rising flow guiding inclined plate, and rising flow guiding inclined plate top is connected with vertical stabilier bottom; The heavy mud plate of oblique water conservancy diversion one end is connected with rising flow guiding inclined plate, and the other end is connected with horizontal fixed base plate; Deep floor one end is connected with vertical stabilier, and the other end is connected with horizontal fixed base plate.
Described rising flow guiding inclined plate is tilted towards aeration tank, and the angle of rising flow guiding inclined plate and horizontal plane is 50 °~60 °.
Described vertical stabilier top is suitable for reading higher than partition wall hole, and the angle of vertical stabilier and horizontal plane is 75 °~90 °.
The angle of the heavy mud plate of described oblique water conservancy diversion and horizontal plane is not less than 40 °.
Technology originality of the present invention and engineering reliability, mainly embody a concentrated reflection of following three aspects:
First, the present invention under the leading of scientific experimental data, by simple and direct structure design cleverly, under the current of air water separator to design current velocity v
underin the situation of≤0.05m/s, can guarantee gas-water separation effect, realize gas, water in muddy water gas three-phase mixture and thoroughly separate; Meanwhile, it is concurrent that the heavy mud on the heavy mud plate of oblique water conservancy diversion glides with flow direction, also makes heavy mud under the dual function of current pushing effect and gravity landing effect, fall into smoothly settling pond bottom spoil disposal bucket.This structure is different from conventional gas-water separation case or air-water separation chamber completely, has obvious originality and simple and direct property.
Second, utilize the integral inclination columnar structure form of original creation, not only realize smoothly the sharp separation of bubble, and current are during through air water separator and partition wall hole, its head loss is minimum, be only that 1~2cm is even less, major cause is that current via hole flow velocity is little, substantially accessible, add that current are in water conservancy diversion and current stabilization state, the water flows gently, head difference between aeration tank and settling pond is even negligible in engineering, thereby air water separator operation of the present invention is very energy-conservation, has saved the flow process discrepancy in elevation, has reduced the working cost of sewage disposal.
The 3rd, the most succinct mode, is also often the most reliable mode.The present invention constructs short and sweet, adopt metallic substance or non-metallic material design, making and construction and installation are taken into full account, also considered to prevent that impurity in mixed solution from causing the problem of obstruction, do not take aeration tank volume, there will not be short flow phenomenon, belong to non-maintaining energy-saving device, guaranteed that operation is used carefree.
Horizontal bar seam air water separator of the present invention, has 3 beneficial effects the most obvious:
The firstth, succinct efficient: the present invention utilizes the anisotropic flow effect that bubble buoyancy rises and current decline, the bubble upwelling environment that utilizes rising flow guiding inclined plate and vertical stabilier to build, utilize the muddy water mixed solution down going channel forming between rising flow guiding inclined plate and vertical stabilier and partition wall, the in the situation that of control section size and flow velocity, bubble rapidly and efficiently can be separated, and structure is succinct, cost is relatively low and gas-water separation effect is remarkable, has obtained the beyond thought promising result that other gas-water separation equipment or device cannot obtain in underwater.
The secondth, energy-saving effect is remarkable: horizontal bar seam air water separator of the present invention is for the bubble separation of aeration tank water outlet, without building independently gas-water separation case/chamber, compare independently gas-water separation case/chamber, consider the head loss of its rear and front end, the present invention saves head altogether more than 1m, do not consume other any power, realized energy-conservation and object low cost movement.Therefore, the present invention is water treatment energy-saving environmental protection device truly.
The 3rd is that Technical Economy is good: horizontal bar seam air water separator serviceability of the present invention is high, without any mechanical movable part and electrical equipment, also without valve system, not fragile, substantially without maintenance workload.Be applied in engineering practice, not only obviously saved construction investment, saved land used, reduced running cost, and realized the really integrated of two operations of aeration and clarification, be very easy to operational management.
Above-mentioned every advantage fully shows, horizontal bar seam air water separator of the present invention, not only structure ingenious succinctly, do not consume energy, do not take up an area, and construction investment is economized, running cost is low, operational management is simple, be adapted in China's water treatment field and novel Urbanization Construction in widespread use.
Brief description of the drawings
Fig. 1 is the overall assembling schematic diagram of horizontal bar seam air water separator of the present invention.
Fig. 2 is the cross-sectional view of horizontal bar seam air water separator of the present invention.
Fig. 3 is the perspective view of horizontal bar seam air water separator of the present invention.
Wherein: the heavy mud plate of 1-rising flow guiding inclined plate, 2-vertical stabilier, 3-horizontal fixed base plate, 4-oblique water conservancy diversion, 5-deep floor, 6-fixation kit, 7-aeration tank, 8-settling pond, 9-partition wall hole.
Embodiment
Embodiment mono-
Horizontal bar seam air water separator of the present invention, comprise rising flow guiding inclined plate 1, vertical stabilier 2, horizontal fixed base plate 3, the heavy mud plate 4 of oblique water conservancy diversion and deep floor 5, described horizontal fixed base plate 3 is fixed on partition wall hole 9 lower surfaces by fixation kit 6, horizontal fixed base plate 3 is connected with the bottom of rising flow guiding inclined plate 1, and rising flow guiding inclined plate 1 top is connected with vertical stabilier 2 bottoms; The heavy mud plate of oblique water conservancy diversion 4 one end are connected with rising flow guiding inclined plate 1, and the other end is connected with horizontal fixed base plate 3; Deep floor 5 one end are connected with vertical stabilier 2, and the other end is connected with horizontal fixed base plate 3.
Described rising flow guiding inclined plate 1 is tilted towards aeration tank, and rising flow guiding inclined plate 1 is 50 ° with the angle of horizontal plane, and its effect one is the flow direction of appropriate change upwelling, and the 2nd, be the muddy water mixed solution at the rising flow guiding inclined plate back side certain space of transferring to other use out.
Described vertical stabilier 2 tops are suitable for reading higher than partition wall hole 9, and rising bubble, in the current stabilization effect of vertical stabilier 2, will be directed to the water surface of top, and vertical stabilier 2 is 90 ° with the angle of horizontal plane.Between vertical stabilier 2 and partition wall, the descending design current velocity of controlling muddy water mixed solution by control flow section area is at v
underwithin the flow rates of≤0.05 m/s, this speed is less than bubble rising escape velocity, ensured that bubble is not entrainmented by current and under;
The heavy mud plate 4 of described oblique water conservancy diversion is 45 ° with the angle of horizontal plane, water conservancy diversion and the gravity landing effect of the heavy mud plate 4 of oblique water conservancy diversion by rising flow guiding inclined plate 1 back side, heavy mud will be pulled away and be slipped in settling pond mud-removing bucket by Parallel to the flow direction, on the heavy mud plate 4 of oblique water conservancy diversion, there will not be deposition phenomenon.
Embodiment bis-
Horizontal bar seam air water separator of the present invention, comprise rising flow guiding inclined plate 1, vertical stabilier 2, horizontal fixed base plate 3, the heavy mud plate 4 of oblique water conservancy diversion and deep floor 5, described horizontal fixed base plate 3 is fixed on partition wall hole 9 lower surfaces by fixation kit 6, horizontal fixed base plate 3 is connected with the bottom of rising flow guiding inclined plate 1, and rising flow guiding inclined plate 1 top is connected with vertical stabilier 2 bottoms; The heavy mud plate of oblique water conservancy diversion 4 one end are connected with rising flow guiding inclined plate 1, and the other end is connected with horizontal fixed base plate 3; Deep floor 5 one end are connected with vertical stabilier 2, and the other end is connected with horizontal fixed base plate 3.
Described rising flow guiding inclined plate 1 is tilted towards aeration tank, and rising flow guiding inclined plate 1 is 60 ° with the angle of horizontal plane.
Described vertical stabilier 2 tops are suitable for reading higher than partition wall hole 9, and vertical stabilier 2 is 75 ° with the angle of horizontal plane.
The heavy mud plate 4 of described oblique water conservancy diversion is 43 ° with the angle of horizontal plane.
Embodiment tri-
Horizontal bar seam air water separator of the present invention, comprise rising flow guiding inclined plate 1, vertical stabilier 2, horizontal fixed base plate 3, the heavy mud plate 4 of oblique water conservancy diversion and deep floor 5, described horizontal fixed base plate 3 is fixed on partition wall hole 9 lower surfaces by fixation kit 6, horizontal fixed base plate 3 is connected with the bottom of rising flow guiding inclined plate 1, and rising flow guiding inclined plate 1 top is connected with vertical stabilier 2 bottoms; The heavy mud plate of oblique water conservancy diversion 4 one end are connected with rising flow guiding inclined plate 1, and the other end is connected with horizontal fixed base plate 3; Deep floor 5 one end are connected with vertical stabilier 2, and the other end is connected with horizontal fixed base plate 3.
Described rising flow guiding inclined plate 1 is tilted towards aeration tank, and rising flow guiding inclined plate 1 is 55 ° with the angle of horizontal plane.
Described vertical stabilier 2 tops are suitable for reading higher than partition wall hole 9, and vertical stabilier 2 is 83 ° with the angle of horizontal plane.
The heavy mud plate 4 of described oblique water conservancy diversion is 41 ° with the angle of horizontal plane.
Horizontal bar seam air water separator available metal material or non-metallic material manufacture, for ease of transport with install can be divided into several sections assembled.In the present embodiment, for welding, makes stainless steel plate.
The working process of horizontal bar seam air water separator is as follows:
1, in aeration tank 7, muddy water gas three-phase mixture, after gas-water separation, always flow to settling pond 8 by partition wall hole 9, and bubble has all the time the trend moving upward under buoyancy under plug-flow effect;
2, under the water conservancy diversion and obstruct of rising flow guiding inclined plate 1 and vertical stabilier 2, at the bottom of pond, aeration bubble can only move upward along rising flow guiding inclined plate 1 and vertical stabilier 2, behind the top of vertical stabilier 2, in the situation that not entrainmented, must float to the water surface of aeration tank 7 and discharge;
3, the muddy water mixed solution between vertical stabilier 2 and partition wall first flows downward under aeration tank 7 and the poor effect of settling pond 8 light pressure between the two, then enters settling pond 8 through partition wall hole 9.
4, muddy water mixed solution will be continually enter settling pond 8 through partition wall hole 9, as long as and control the design variable of horizontal bar seam air water separator well, namely as long as under current to design current velocity v
under≤ 0.05 m/s, just can not entrainment bubble in the down going channel of vertical stabilier (2) and between partition wall, can realize smoothly gas-water separation working process.
The present embodiment, by using horizontal bar seam air water separator, utilizes bubble buoyancy lift velocity to be greater than current downstream rate and obtains the principle of escaping, and has realized high efficiency gas-water separation target.
Embodiment tetra-
Certain industrial park, small city sewage work planning sewage disposal total amount is 10000m
3/ d, point two phases build, and first phase of construction is first built 5000m
3/ d scale, adopts Z-type stripping reflux two-stage precipitation integral sewage treatment process, and first phase of construction is established the each 2500m of 2 lattice
3the integrated pond of/d is also allied the communists wall and is built, the lattice of being convenient to not stop production maintenance.First phase of construction adopts 4 horizontal bar seam air water separators altogether, and its main technical details is as follows:
1. single air water separator length 4700mm, total height 600mm;
2. 57 ° of the level inclinations of flow guiding inclined plate 1 rise;
3. the descender width 220mm between vertical stabilier 2 and partition wall; v
under=0.014m/s;
4. material: S304 stainless steel, thickness of slab 3.0mm;
The sewerage integrated Treatment Design water-in and water-out in this garden water quality table
Project | COD | BOD 5 | SS | TN | NH 3-N | TP | pH |
Influent quality (mg/L) | 350 | 120 | 200 | 30 | 25 | 3.5 | 6~9 |
Effluent quality (mg/L) | ≤50 | ≤10 | ≤10 | ≤15 | ≤5(8) | ≤0.5 | 6~9 |
Processing efficiency (%) | ≥85.7 | ≥91.7 | ≥95 | ≥50 | ≥80(68) | ≥85.7 | — |
Staffing 4 people of this garden sewage work, process every m
3the power consumption of sewage and medicine consumption priming cost add up to 0.28 yuan.If this sewage work adopts conventional gas-water separation case or air-water separation chamber, land used need to increase by 240 m
2above, be equivalent to first phase of construction land used and increase by 6%; And whole process head loss increase 1m, be equivalent to sewage enter factory promote energy consumption increase more than 7%.The present embodiment application horizontal bar seam of the present invention air water separator, compared with adopting conventional gas-water separation case or air-water separation chamber, can save approximately 200,000 yuan of construction investments.Therefore, the present invention both can save the area, again can cost saving, and also energy-saving effect is remarkable, and operational administrative is easy, and working cost is cheap, and the foundation to energy-efficient society of China and novel urbanization water supply and sewage work are built, and have obvious promoter action.Technical economic benefit of the present invention and environmental benefit highly significant.
Claims (4)
1. horizontal bar seam air water separator, it is characterized in that: comprise rising flow guiding inclined plate (1), vertical stabilier (2), horizontal fixed base plate (3), the heavy mud plate of oblique water conservancy diversion (4) with deep floor (5), (3) described horizontal fixed base plate is connected with rising flow guiding inclined plate bottom (1), and (2) rising flow guiding inclined plate (1) top is connected bottom with vertical stabilier; (1) (4) the heavy mud plate of oblique water conservancy diversion be connected with rising flow guiding inclined plate one end, and (3) the other end is connected with horizontal fixed base plate; (2) described deep floor (5) one end is connected with vertical stabilier, and (3) the other end is connected with horizontal fixed base plate.
2. horizontal bar seam air water separator as claimed in claim 1, is characterized in that: described rising flow guiding inclined plate is (1) tilted towards aeration tank, and (1) rising flow guiding inclined plate is 50 °~60 ° with the angle of horizontal plane.
3. horizontal bar seam air water separator as claimed in claim 1, is characterized in that: described vertical stabilier (2) top is (9) suitable for reading higher than partition wall hole, and (2) vertical stabilier is 75 °~90 ° with the angle of horizontal plane.
4. horizontal bar seam air water separator as claimed in claim 1, is characterized in that: (4) the heavy mud plate of described oblique water conservancy diversion is not less than 40 ° with the angle of horizontal plane.
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CN103395853B true CN103395853B (en) | 2014-11-19 |
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CN112744884A (en) * | 2020-12-30 | 2021-05-04 | 武汉宝捷能环境工程技术有限公司 | Arc-shaped gas-water separator |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1079411A (en) * | 1992-06-01 | 1993-12-15 | 吉林市自来水公司 | Lateral flow inclined plate drift along solid-liquid separating method and device |
CN203392889U (en) * | 2013-08-18 | 2014-01-15 | 武汉宝捷能环境工程技术有限公司 | Horizontal bar slot type gas-water separator |
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2013
- 2013-08-18 CN CN201310358676.3A patent/CN103395853B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1079411A (en) * | 1992-06-01 | 1993-12-15 | 吉林市自来水公司 | Lateral flow inclined plate drift along solid-liquid separating method and device |
CN203392889U (en) * | 2013-08-18 | 2014-01-15 | 武汉宝捷能环境工程技术有限公司 | Horizontal bar slot type gas-water separator |
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