CN204079618U - Dissolved oxygen aerating apparatus and apply its water treating equipment - Google Patents

Dissolved oxygen aerating apparatus and apply its water treating equipment Download PDF

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Publication number
CN204079618U
CN204079618U CN201420642740.0U CN201420642740U CN204079618U CN 204079618 U CN204079618 U CN 204079618U CN 201420642740 U CN201420642740 U CN 201420642740U CN 204079618 U CN204079618 U CN 204079618U
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water
dissolved oxygen
oxygen aerating
cylindrical shell
flow
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王烨
许元敏
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Beijing Miaojing Tiandi Environmental Science And Technology Co Ltd
BEIJING WOQI XINDE WATER TREATMENT EQUIPMENT DEVELOPMENT Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The utility model provides a kind of dissolved oxygen aerating apparatus and applies its water treating equipment.Described dissolved oxygen aerating apparatus comprises: outer cylinder body (1), water inlet pipe (3), rising pipe (4), wherein, described dissolved oxygen aerating apparatus also comprises: water distribution cylindrical shell (2) and water distributor (6A), described water inlet pipe (3) is communicated with described water distribution cylindrical shell (2), pending water is made to flow into described water distribution cylindrical shell (2) from described water inlet pipe (3), and upwards flow in described water distribution cylindrical shell (2) and arrive breaking water level (W1), wherein, the height of described breaking water level (W1) is lower than the height of the initial water surface of described pending water or the height of described pending water after water pump lifting, described water distributor (6A) is installed on described water distribution cylindrical shell (2), water distribution is carried out to the water fallen from described breaking water level (W1), wherein, the water through described water distributor (6A) water distribution continues to fall to the inner control water surface (W2) of described outer cylinder body (1).

Description

Dissolved oxygen aerating apparatus and apply its water treating equipment
Technical field
The utility model relates to a kind of dissolved oxygen aerating apparatus, in particular to a kind of dissolved oxygen aerating apparatus for water treatment and the water treating equipment applying this device.
Background technology
The object of water treatment mainly comprises natural water and artificial water.Such as, water bodies of rivers and lakes, garden landscape water body, aquaculture water, fountain, swimming pool, boat paradise etc.These water bodys, mostly have higher requirement to water quality and sanitary condition, also in use can continue the artificial or non-artificial pollution produced simultaneously.Because the water regularly replaced in these water bodys can produce the flood tide waste of water resources, also can produce very high cost, many employing water cycle treatment facilities realize the purification to these water bodys at present.
Traditional dissolved oxygen aerating apparatus is compressed by air with gas blower, by tracheae by compressed air delivery to the aeration head being arranged at water bottom, utilize aeration head pressurized air to be released into very tiny air soluble in water.Due to most of small air of discharging again coacervating large particle bubble run out of from water, therefore there is high, the inefficient problem of energy consumption.
Existing people considers the scheme combined with dissolved oxygen aerating apparatus by water cycle treatment facility.Such as, in Chinese utility model patent Granted publication CN1297490C, disclose the devices and methods therefor of a kind of river lake water process.In this water treatment device, include getting rid of the stale and taking in the fresh device, it is sleeve-shaped, and the bottom of inner core connects water inlet pipe, radially between inner core and urceolus is evenly distributed with V-arrangement overflow groove, and the base of V-arrangement overflow groove and two upper edges form cascade.By the contact of cascade and air, the obnoxious flavour in water is volatilized, and the oxygen in air is dissolved in water, thus realize the oxidation of water, activation and freshization.
Again such as, Chinese utility model patent ZL200720173742.X discloses one " Waterpower automatic control aeration filtering machine ".Aerating apparatus disclosed in this utility model have employed siphon principle to realize water level promoting.Specifically, in hay tank working process, because impurity is deposited on filtering layer gradually, cause filtering layer resistance to increase gradually, therefore filtering layer resistance increase and makes water level increase gradually along main siphon gradually, when waterborne in siphon inclined tube is raised to the auxiliary siphon pipe mouth of pipe, fall at a high speed along auxiliary siphon pipe, thus gas effect is taken in formation, by sobbing, the air in main siphon is taken away by pipe, makes main siphon form siphon.In addition, the formation of primary rainbow suction can also be accelerated by increasing auxiliary siphon reinforced pipe.
Again such as, Chinese utility model patent ZL201320139623.8 discloses one " gravity type boat davit hydraulic aeration fine filter ", it is also that the foam formed after utilizing solid impurity and oxidation gathers for increasing filter bed of essence gradually to flow resistance at filter bed of essence top, thus make the water in pipe connecting enter water level rising in filtration chamber, and finally produce siphonage.
Scheme disclosed in above-mentioned two utility models, utilizes siphon principle to promote water level, thus realizes the dissolved oxygen aeration to water.But in these schemes, the formation of siphon all relies on impurity buildups to the inhibition of current or bleed, and be therefore often difficult to ensure steady operation, water treatment amount is also wayward.
Utility model content
In order to solve the problems of the technologies described above, according to one side of the present utility model, provide a kind of dissolved oxygen aerating apparatus, comprise: outer cylinder body, water inlet pipe, rising pipe, dissolved oxygen aerating apparatus also comprises: water distribution cylindrical shell and water distributor, water inlet pipe is communicated with water distribution cylindrical shell, pending water is made to flow into water distribution cylindrical shell from water inlet pipe, and upwards flow in water distribution cylindrical shell and arrive breaking water level, wherein, the height of breaking water level is lower than the height of the initial water surface of pending water or the height of pending water after water pump lifting; Water distributor is installed on water distribution cylindrical shell, carries out water distribution to the water fallen from breaking water level, and wherein, the water through water distributor water distribution continues the control water surface falling to outer cylinder body inside.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, water inlet pipe or water distribution cylindrical shell are provided with flow director, the height change of the control water surface that this flow director senses based on it dynamically controls the flooding velocity of water inlet pipe or water distribution cylindrical shell, thus makes the control water surface remain on certain height.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, flow director comprises: water surface sensing unit and flow controlling unit, wherein, water surface sensing unit is arranged on the outside of water inlet pipe or water distribution cylindrical shell, sensing controls the water surface elevation change of the water surface, and this water surface elevation variable quantity is converted into the location variation of water surface sensing unit; Water surface sensing unit is connected with flow controlling unit by link gear, thus the location variation of water surface sensing unit is exported to flow controlling unit; Flow controlling unit is arranged at the inside of water inlet pipe or water distribution cylindrical shell, to move certain path increment according to the location variation of water surface sensing unit, thus the flooding velocity of adjustment water inlet pipe or water distribution cylindrical shell.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, flow director also comprises stroke limit unit, the stroke variation range of limited flow control unit.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, flow director also comprises stroke increasing unit, and the trip increasing unit is connected between water surface sensing unit and flow controlling unit, for amplifying the liquid level variable quantity of water surface sensing unit sensing.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, dissolved oxygen aerating apparatus also comprises air inlet anti-overflow device, and when the water level in dissolved oxygen aerating apparatus rises to this device top casing inwall, air inlet anti-overflow device is closed, and anti-sealing outwards overflows; When water level in dissolved oxygen aerating apparatus is not to this device top casing inwall, air inlet anti-overflow device is opened, and realizes the gaseous interchange that dissolved oxygen aerating apparatus is inner and outside.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, aforesaid air inlet anti-overflow device is the check valve including ball float.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, dissolved oxygen aerating apparatus comprises at least one water distributor, and these water distributors are installed on water distribution cylindrical shell from top to bottom successively.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, at least one in aforementioned water distributor comprises multiple sector structures of coplanar symmetric offset spread, and described sector structure place plane is parallel with breaking water level, wherein, each sector structure is provided with multiple water distributing pore.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, aforementioned water distributing pore is along the radial direction even arrangement in column of sector structure.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, at least one in aforementioned water distributor comprises the multiple cloth wiper blade arranged axisymmetricly.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, alternatively, aforementioned cloth wiper blade has inverted v-shaped structure.
According to another aspect of the present utility model, provide a kind of water treating equipment, it includes aforesaid dissolved oxygen aerating apparatus.
According to dissolved oxygen aerating apparatus and the water treating equipment of the utility model embodiment, the effect with further aspect or several aspect can be realized: by the potential energy of the drop of the breaking water level of the staying water water surface and device inside that utilize device outside, for dissolved oxygen aeration provides power, more energy-conservation, environmental protection more, also makes the motion of device internal water more stable; The control water surface being come implement device inside by the control of flooding velocity is basicly stable, thus ensures that breaking water level is poor to the water surface elevation controlling the water surface, ensures the space of drop type dissolved oxygen aeration; Air inlet anti-overflow device can also be utilized to come inside when implement device runs and extraneous gas exchanges and device is out of service time anti-sealing overflow, overcome other similar devices and easily metal run out and flood the problem of machine room.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described below by the accompanying drawing of embodiment, apparently, the accompanying drawing in the following describes only relates to embodiments more of the present utility model, but not to restriction of the present utility model.
Fig. 1 schematically shows the sectional view of the dissolved oxygen aerating apparatus according to the utility model embodiment;
Fig. 2 shows the sectional view obtained along secant A-A in Fig. 1, and this sectional view schematically shows a kind of structure of the flow director of the dissolved oxygen aerating apparatus according to the utility model embodiment;
Fig. 3 a, Fig. 3 b and Fig. 3 c shows the sectional view of a kind of exemplary simple structure of the flow director of the dissolved oxygen aerating apparatus according to the utility model embodiment, and respectively illustrates the different operating state of this flow director;
Fig. 4 schematically shows the flow equilibrium control chart of the aerating apparatus of dissolved oxygen shown in Fig. 1;
Fig. 5 a shows the schematic top view of the first water distributor of the dissolved oxygen aerating apparatus of Fig. 1, and Fig. 5 b shows the sectional view of this water distributor along secant B-B;
Fig. 6 schematically shows the sectional view of the dissolved oxygen aerating apparatus according to another embodiment of the utility model;
Fig. 7 a shows the schematic top view of the second water distributor of the dissolved oxygen aerating apparatus of Fig. 6, and Fig. 7 b shows the stereographic map of the single cloth wiper blade of this water distributor;
Fig. 8 schematically shows the sectional view of the dissolved oxygen aerating apparatus according to another embodiment of the utility model.
Reference numeral
1 outer cylinder body
2 water distribution cylindrical shells
3 water inlet pipes
4 rising pipes
5 air inlet anti-overflow devices
6A first water distributor
6B second water distributor
6C the 3rd water distributor
61 water distributing pores
62 cloth wiper blade
621 cloth wiper blade rib portions
7 flow directors
71 water surface sensing units
72 flow controlling units
73 stroke limit unit
74 stroke increasing unit
75 flow director fixed cells
W1 breaking water level
W2 controls the water surface
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the utility model protection.
Unless otherwise defined, technical term used herein or scientific terminology should be in field belonging to the utility model the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in the utility model patent application specification and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different integral parts.Equally, the similar word such as " " or " " does not represent quantity limitation yet, but represents to there is at least one.
Fig. 1 schematically shows the sectional view of the dissolved oxygen aerating apparatus according to the utility model embodiment.As shown in Figure 1, the dissolved oxygen aerating apparatus according to the utility model embodiment comprises: outer cylinder body 1, water distribution cylindrical shell 2, water inlet pipe 3, rising pipe 4, air inlet anti-overflow device 5, first water distributor 6.
One end (water-in) of water inlet pipe 3 is arranged on the outside of outer cylinder body 1, and the other end (water outlet) and body pass the barrel of outer cylinder body 1, and this other end is connected with the end portion of water distribution cylindrical shell 2.The upper end portion of water distribution cylindrical shell 2 is connected with the first water distributor 6A.One end (water outlet) of rising pipe 4 is arranged on the outside of outer cylinder body 1, the other end (water-in) and body pass the barrel of outer cylinder body 1, and this other end is bent downwardly, the water-in of rising pipe 4 can be made like this to stretch into and to control under water surface W2, prevent gas from entering into rising pipe 4 and subsequent pipeline and device.Air inlet anti-overflow device 5 is arranged on the barrel at outer cylinder body 1 top, and outer cylinder body 1 can be made to be communicated with ambient atmos.
Water inlet pipe 3 and water distribution cylindrical shell 2 can be integrated.For the ease of complete installation, also can fit together, between the two can by welding, pipe connect, the mode such as bonding connects, such as can connect with swan neck.
W1 and W2 identifies breaking water level respectively and controls the water surface.So-called breaking water level, refers to that water rises along water distribution cylindrical shell 2 and arrives the water surface that then certain altitude starts whereabouts.Consider the function of water distribution, breaking water level W1 usually above water distribution cylindrical shell 2 top surface, also higher than the cloth water surface (the non-edge part of water distributor) of the first water distributor 6A.That is, breaking water level W1 is positioned at the top of the cloth water surface of the first water distributor 6A.Control the water surface site that water surface W2 refers to outer cylinder body 1 inside, this water level is controlled.
Arrow logo in Fig. 1 has gone out water (flow) direction.As shown in Figure 1, the water of staying water enters into dissolved oxygen aerating apparatus from the water-in of water inlet pipe 3, under the effect of hydraulic pressure, water enters into water distribution cylindrical shell 2 from water inlet pipe 3, and rises in water distribution cylindrical shell 2, until breaking water level W1, then the first water distributor 6A is fallen under water, after this first water distributor 6A process, continue the below dropping into the first water distributor 6A, until control water surface W2, the water then after dissolved oxygen Air Exposure flows out from rising pipe 4.
Different from the siphon principle described in background technology, utilize the potential energy of waterhead to be used for the lifting of implement device internal liquid level according to the dissolved oxygen aerating apparatus of the utility model embodiment.Specifically, between the water surface of staying water and breaking water level W1, form certain waterhead, make the water of staying water to enter into water distribution cylindrical shell 2 from water inlet pipe 3 as previously mentioned and to rise to the breaking water level W1 above the first water distributor 6A.Then, these water fall from breaking water level W1, fall through the first water distributor 6A by the first water distributor 6A water distribution.Next, the water through water distribution drops to control water surface W2 from the first water distributor 6A, becomes a part for the inner water body of the dissolved oxygen aerating apparatus controlling below water surface W2 subsequently.
Alternatively, direct waterhead is not had between the water surface of staying water and breaking water level W1, but by the water pump of dissolved oxygen aerating apparatus outside, the water of staying water is extracted into certain height (can realize in the duct), thus form the described waterhead between the water surface of pending water (body) and breaking water level W1.
Fall to the process of control water surface W2 from breaking water level W1 at processed water, the air of water and outer cylinder body 1 inside carries out gaseous interchange, and obnoxious flavour can be made to volatilize, and the oxygen in air dissolves in water.Especially, carry out water distribution by the first water distributor 6A, increase water in dropping process with the contact area of air, thus promote the effect of dissolved oxygen aeration.
As shown in Figure 1, the water after dissolved oxygen Air Exposure in device flows out from rising pipe 4.Water can be gravity flow water outlet from the outflow of rising pipe 4 also can be power water outlet.Rising pipe 4 can be switched to the next device of water treating equipment or system, also can be communicated to the next stage water body of physical features lower than processed water body, by water pump pumpback to processed water body, thus can also realize circular treatment.
In order to increase the attaching space of water and air, obtain better dissolved oxygen aeration effect, need to realize and keep breaking water level W1 and the distance (drop) controlling water surface W2, particularly realize and keep the first water distributor 6A and the distance (drop) controlling water surface W2.Thus usual bottom rising pipe 4 being arranged at dissolved oxygen aerating apparatus, and adjusted the height controlling water surface W2 by flow control, thus while meeting water outlet requirement, make the first water distributor 6A remain on certain value or scope with the distance (drop) controlling water surface W2.
According to the dissolved oxygen aerating apparatus of the utility model technology, the potential energy utilizing the difference of altitude between the breaking water level of the water surface of staying water and dissolved oxygen aerating apparatus to produce provides power for himself, and realize automatically falling and aeration of water by the waterhead controlling this dissolved oxygen aerating apparatus inside, overcoming traditional dissolved oxygen aerating apparatus needs the problem of power and the problem of dissolved oxygen weak effect.
That is, as long as the waterhead that can realize between the water surface of staying water and breaking water level W1 and the waterhead between breaking water level W1 and control water surface W2, the automatic dissolved oxygen aeration of the dissolved oxygen aerating apparatus according to the utility model embodiment can be realized.In actual design is installed, also need to consider that current flow and the energy that loses in pipeline (outside water inlet pipe, water inlet pipe 3 and water distribution cylindrical shell 2).That is, when without other energy derive, the potential energy that produces of drop between the process water body water surface and breaking water level should be greater than handled water by external pipe from flowing to dissolved oxygen aerating apparatus, and by water inlet pipe 3 and water distribution cylindrical shell 2 arrive breaking water level along journey power loss.These power losses may comprise the power loss that the reasons such as inner-walls of duct friction and water flow vibration cause.
Based on Such analysis, according to the dissolved oxygen aerating apparatus of the utility model embodiment, under the condition meeting the requirement of the waterhead between the water surface of staying water and breaking water level, automatic dissolved oxygen aeration can be realized.Like this, the horizontal plane that can will integrally or partly be set to according to the dissolved oxygen aerating apparatus of the utility model embodiment lower than staying water.
Specifically, when the horizontal plane of dissolved oxygen aerating apparatus part higher than staying water, its top can be open, such as, does not arrange the top casing of outer cylinder body 1 or arranges weather opening in the top casing of outer cylinder body 1.The internal space of dissolved oxygen aerating apparatus and the gaseous interchange of space outerpace and circulation can be strengthened like this.
Consider that the elevation of water of staying water may change, for the dissolved oxygen aerating apparatus of Open architecture, may need to be set to top casing or top casing opening higher than the highest level face of staying water or the embankment of staying water or edge, pond, thus anti-sealing from the top casing of dissolved oxygen aerating apparatus or top casing opening excessive.This design can make the volume ratio of dissolved oxygen aerating apparatus larger.
As previously shown, also can arrange dissolved oxygen aerating apparatus all lower than the horizontal plane of staying water, at this moment, its top is enclosed, as shown in Figure 1.In FIG, the housing parts at dissolved oxygen aerating apparatus top is provided with air inlet anti-overflow device 5, for gaseous interchange and the circulation of the internal space and space outerpace that manage dissolved oxygen aerating apparatus.When dissolved oxygen aerating apparatus works, air inlet anti-overflow device 5 is opened, and makes the internal space of dissolved oxygen aerating apparatus and space outerpace carry out gaseous interchange.When dissolved oxygen aerating apparatus does not work, if water inlet pipe 3 is closed, then air inlet anti-overflow device 5 is still opened; If rising pipe 4 is closed, then the water level in dissolved oxygen aerating apparatus can rise to device top casing inwall, and at this moment, air inlet anti-overflow device 5 is closed, and anti-sealing outwards overflows.Air inlet anti-overflow device 5 serves the effect of check valve, when the inside water surface (the control water surface) of dissolved oxygen aerating apparatus rises, air inlet anti-overflow device 5 is opened, outside exhaust, closes when the inner water surface rises to device top casing inwall, prevents the internal water of dissolved oxygen aerating apparatus from overflowing.Alternatively, air inlet anti-overflow device 5 is the check valves including ball float.
Alternatively, air inlet anti-overflow device 5 also can be arranged on the pipeline of dissolved oxygen aerating apparatus outside.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, control the height of described control water surface W2 by arranging flow director 7, thus realize and keep the stable of the waterhead between breaking water level W1 and control water surface W2.As shown in Figure 1, this flow director 7 can be arranged at the water inlet pipe 3 of dissolved oxygen aerating apparatus.Described flow director 7 is for controlling the flooding velocity of water inlet pipe 3.Because water inlet pipe 3 is communicated with water distribution cylindrical shell 2, alternatively, flow director 7 also can be arranged at water distribution cylindrical shell 2, for controlling the discharge within water distribution cylindrical shell 2.
Fig. 2 is the sectional view obtained along secant A-A in Fig. 1, the cross section shows a kind of structure of the flow director of the dissolved oxygen aerating apparatus according to the utility model embodiment.As shown in Figure 2, flow director 7 comprises: water surface sensing unit 71 and flow controlling unit 72.Wherein, water surface sensing unit 71 is arranged on the outside of water inlet pipe 3, for sensing the water surface elevation change controlling water surface W2, and this water surface elevation variable quantity is converted into the location variation of water surface sensing unit 71; Water surface sensing unit 71 is connected with flow controlling unit 72 by link gear, thus the location variation of water surface sensing unit 71 exports to flow controlling unit 72; Flow controlling unit 72 is arranged at the inside of water inlet pipe 3, to move certain path increment according to the location variation of water surface sensing unit 71, thus changes the flooding velocity of water inlet pipe 3.So, when the water surface elevation controlling water surface W2 highly changes relative to default maintenance, sense this water surface elevation by water surface sensing unit 71 and change, and this height change is passed to flow controlling unit 72, adjustment flooding quantity.
Alternatively, flow director 7 also comprises stroke limit unit 73, for the stroke variation range of limited flow control unit 72, such as, the stroke variation range of flow controlling unit 72 is limited between full dose water inlet and Close All.Stability and working efficiency that stroke variation range that stroke limit unit 73 carrys out limited flow control unit 72 can improve flow director 7 are set.If water surface sensing unit 71 is connected with flow controlling unit 72 by connecting rod, then stroke limit unit 73 can carry out the stroke variation range of limited flow control unit 72 by the hunting range of limiting rod.
Alternatively, flow director 7 also comprises stroke increasing unit 74.Stroke increasing unit 74 is connected between water surface sensing unit 71 and flow controlling unit 72, for amplifying the liquid level variable quantity that water surface sensing unit 71 senses, that is, the corresponding numerical relation of the liquid level variable quantity that water surface sensing unit 71 is sensed and flow controlling unit 72 movement travel amount, increase a magnification, like this, for the change of small liquid level or fluctuation, also can produce corresponding fluctuations in discharge delicately and control.
Stroke increasing unit 74 can be realized by lever principle or gear unit.Such as, if water surface sensing unit 71 is connected with flow controlling unit 72 by connecting rod, so stroke increasing unit 74 can comprise the rotation hub be arranged on this connecting rod, connecting rod can with this hinge for axle rotary oscillation, when liquid level changes, water surface sensing unit 71 change in location of connecting rod one end, connecting rod is with the described hinge amount certain for axle rotates, the other end of connecting rod also correspondingly rotates the amount of certain multiple, the path increment of flow controlling unit 72 correspondingly after motion amplification.
Flooding velocity is controlled by the movement travel controlling flow controlling unit 72.Such as, if flow controlling unit 72 is the ball valve or the upset flashboard that are arranged at water inlet pipe 3 inside, then described movement travel is rotating distance.
Fig. 3 a, Fig. 3 b and Fig. 3 c shows the sectional view of a kind of exemplary simple structure of the flow director of the dissolved oxygen aerating apparatus according to the utility model embodiment.
As shown in the figure, water surface sensing unit 71 is realized by ball float, and flow controlling unit 72 is realized by quadrant valve.Ball float 71 is connected with quadrant valve 72 by connecting rod, and under the effect of pin, the two rotates around this pin jointly.The water surface elevation that quadrant valve 72 senses along with ball float 71 and rotating, thus control flooding velocity.Along with the position of rotation of quadrant valve 72 is different, flooding velocity is also different.Alternatively, as shown in Figure 3 a, the part (such as half) at the fan-shaped edge of quadrant valve 72 can be used for blocking water-in, and another part (such as second half), namely represents the part that the arrow of current passes through, and is conducting water inlet.
As shown in the figure, stroke limit unit 73 can limit the stroke of quadrant valve 72 by the moving range of the radial edges limiting quadrant valve 72.Alternatively, stroke limit unit 73 can be formed at flow director fixed cell 75, as shown in Figure 3 a.On the through sidewall being fixed on outer cylinder body 1 of this flow director fixed cell 75, the pin that the connecting rod of described connection ball float 71 and quadrant valve 72 rotates also is fixed on this this flow director fixed cell 75.
Alternatively, flow director fixed cell 75 can be realized by water inlet pipe 3.That is, described pin is fixed on the tube wall (can be inwall, also can run through water inlet pipe 3, be fixed at the outer wall of water inlet pipe 3) of water inlet pipe 3, and stroke limit unit 73 is arranged at the inwall of water inlet pipe 3.
So as shown in Figure 3 a, when controlling water surface W2 lower than default water surface elevation, ball float 71 is in position on the low side with control water surface W2, drives quadrant valve 72 to rotate arrive certain position, realize larger unlatching by connecting rod.At this moment, flooding velocity is greater than water flow, rises so control water surface W2, and then, along with control water surface W2 rises, ball float 71 also rises, and drives quadrant valve 72 to rotate, and quadrant valve 72 is opened and diminished, and flooding velocity reduces.When controlling water surface W2 and arriving the position shown in Fig. 3 b, the open site of quadrant valve 72 makes flooding velocity substantially the same with water flow, now controls water surface W2 kept stable, can think that controlling water surface W2 reaches default water surface elevation.
So-called default water surface elevation, is actually the height expecting the control water surface W2 realized.Due to the dissolved oxygen aerating apparatus according to the utility model scheme, provide space by the difference of altitude realized between breaking water level W1 and control water surface W2 for dissolved oxygen aeration, therefore, need the height controlling described control water surface W2.As previously mentioned, for the height controlling water surface W2, control flooding velocity to realize by utilizing flow director 7.From another aspect, reach a trim point when flooding velocity and water flow or near trim point, control water surface W2 and also can be stabilized in certain altitude or slight fluctuations near certain altitude.By arranging water inlet pipe and water outlet pipe and flow director, can make to control water surface W2 and realizing flow equilibrium when preset height.
Because rising pipe 4 is closed or the reason such as water flow reduction, controlling water surface W2 can increase gradually higher than default water surface elevation.So, ball float 71 is in higher position with control water surface W2, drives quadrant valve 72 to rotate certain stroke, reduce open amount by connecting rod.If flooding velocity and water flow still cannot reach balance or rising pipe 4 is closed, so control water surface W2 and continue to rise, quadrant valve 72 rotary closing, as shown in Figure 3 c.So, no longer include water and enter into dissolved oxygen aerating apparatus internal space, control water surface W2 and no longer rise.
Due to quadrant valve 72 or the reason such as water inlet pipe 3 is poorly sealed, after quadrant valve 72 rotary closing, a small amount of water still may be had to enter into dissolved oxygen aerating apparatus internal space, because rising pipe 4 is closed, can continue to rise so control water surface W2.At this moment, stroke limit unit 73 can prevent quadrant valve 72 from continuing to rotate after closedown.On the other hand, as previously mentioned, in the embodiment with air inlet anti-overflow device 5, when controlling water surface W2 and arriving the top inner wall of outer cylinder body 1, air inlet anti-overflow device 5 can overflow from dissolved oxygen aerating apparatus inside, to protect the miscellaneous equipment of water treatment system by anti-sealing.
Fig. 3 a, Fig. 3 b and Fig. 3 c just schematically show a kind of theory structure of the flow director according to the utility model embodiment, therefore do not indicate the assembly relation of water inlet pipe and flow director.In addition, the annexation of this structure also between not shown water inlet pipe 3 and water distribution cylindrical shell 2.
Alternatively, quadrant valve 72 also can be arranged on the inside of water inlet pipe 3, obtains more accurate like this to flow control.In addition, alternatively, the water inflow being all used for stopping in water inlet pipe 3 at the fan-shaped edge of quadrant valve 72.
Except above-mentioned quadrant valve 72, as previously mentioned, flow controlling unit 72 also can be ball valve or upset flashboard etc.
The principle that following brief description controls according to the flow equilibrium of technical solutions of the utility model:
Water-in 3 due to the staying water circulation line with high-water (as previously mentioned, this high-water can be the original formation of staying water, also can be realized by water pump) be connected, therefore this pipeline belongs to gravity feed, and water inlet flow velocity is generally 0.7 ~ 1m/s and (is set to ν iN), so, water-in peak flow
Q iN=water inlet flow velocity × water inlet pipe inwall basal area (is set to A iN)=ν iN× A iN;
Water inlet peak flow q after flow director 7 imaxthe maximum effective cross sectional area of=water inlet flow velocity × current (is set to A iemax, A iemaxa can be equaled iN)=ν iN× A iemax;
Water inlet minimum flow rate q after flow director 7 iminthe minimum effective cross sectional area of=water inlet flow velocity × current (is set to A iemin, A iemincan equal zero)=ν iN× A iemin;
Flooding velocity q after flow director 7 iniN× A ie, wherein, q inbetween q imaxand q iminbetween, A iebetween A iemaxand A ieminbetween.
As previously mentioned, namely outlet pipeline may be negative pressure water outlet (power water outlet), and also may be gravity water outlet (gravity flow water outlet), if negative pressure water outlet, then Water discharge flow speed be generally 2m/s and (be set to ν out1), then water outlet flow q out1=Water discharge flow speed × water outlet current effective cross sectional area (is set to A out)=ν out1× A out; If gravity water outlet, then Water discharge flow speed is generally 0.7 ~ 1m/s and (is set to ν out2), then water outlet flow q out2=Water discharge flow speed × water outlet current effective cross sectional area=ν out2× A out.
In order to realize flow equilibrium, then need to make q in=q out1(negative pressure water outlet situation), or q in=q out2(gravity water outlet situation).
From the angle of overall control, need meet: q imax>q out1(or q out2) >q imin
Consider the situation being simultaneously applicable to negative pressure water outlet (pumping for water pump) and gravity water outlet, and q out1>q out2, then overall control angle need meet
①q imax>q out1
②q imin<q out2
Fig. 4 schematically shows the flow equilibrium control chart of the aerating apparatus of dissolved oxygen shown in Fig. 1.
As previously mentioned, in order to realize and keep the stable of the waterhead of breaking water level W1 and control water surface W2, at water inlet pipe 3, flow director 7 is installed, when controlling water surface W2 and rising, water surface sensing unit 71 is along with the certain stroke of water surface upward movement (translation, swing or rotation), stroke increasing unit 74 makes flow controlling unit 72 move (translation, swing or rotation) by the multiple proportional of described certain stroke, control flooding velocity diminishes, and realizes the relative equilibrium of flooding quantity and aquifer yield.As long as the change small according to the flow director water surface of the utility model embodiment just can realize the rapid adjustment of flow, make the water surface relatively stable, the range of movement of water surface sensing unit 71 also can control in very little stroke by stroke limit unit 73.
Because flow director 7 regulates in real time to control water surface W2, therefore, allow the fluctuation controlling water surface W2, thus it is not high at the seal request of the part (being provided with the part of flow director 7) of outer cylinder body 1 inside for water inlet pipe 3, even if there is amount of seepage, also can regulate in time.
Below in conjunction with the structure of the dissolved oxygen aerating apparatus of previous embodiment, the running condition of this dissolved oxygen aerating apparatus is described.
When running for the first time, because dissolved oxygen aerating apparatus inside does not have water, water surface sensing unit 71 is limited in the position into water peak flow by stroke limit unit 73, water inlet pipe 3 starts water inlet, flooding quantity is greater than aquifer yield, and control water surface W2 and rise, flow director 7 controls flooding velocity as previously mentioned, make to control water surface W2 arrive or close to preset height time, Inlet and outlet water flow is substantially identical.Next, by flow director 7, control water surface W2 is finely tuned, to tackle its fluctuation.
When dissolved oxygen aerating apparatus is out of service, rising pipe 4 will be closed, at this moment the water level in outer cylinder body 1 will progressively rise, and the flooding velocity of water inlet pipe 3 can be able to be made to be substantially zero by the flow controlling unit 72 and stroke limit unit 73 arranging flow director 7.If the flow controlling unit 72 and the stroke limit unit 73 that do not arrange flow director 7 make the flooding velocity of water inlet pipe 3 be substantially zero, or because factors such as seepages, control water surface W2 and rise to outer cylinder body 1 top, the ball float of air inlet anti-overflow device 5 will utilize buoyancy to close induction trunk, and anti-sealing overflows.
When device runs again, rising pipe 4 is opened, and the water level in outer cylinder body 1 progressively declines, and the ball float of air inlet anti-overflow device 5 opens induction trunk because of the effect of gravity.
At this outer cylinder body 1 top seal and under there is the structure of air inlet anti-overflow device 5, when the water outlet of rising pipe 4 is closed, this dissolved oxygen aerating apparatus is a closed system, needs to bear the pressure brought due to the geometry discrepancy in elevation between the water surface elevation of staying water and dissolved oxygen aerating apparatus; When dissolved oxygen aerating apparatus comes into operation, this device is an opened system.
As previously mentioned, alternatively, flow director 7 also can be arranged at water distribution cylindrical shell 2, for controlling the discharge within water distribution cylindrical shell 2.Therefore, structural allocation relation and the flow control principle of above-mentioned flow director 7 and water inlet pipe 3 are also applicable to water distribution cylindrical shell 2.
Fig. 5 a shows the top view of the first water distributor of the dissolved oxygen aerating apparatus of Fig. 1, and Fig. 5 b shows the sectional view of this water distributor along secant B-B.
As can be seen from Fig. 5 a, the first water distributor 6A comprises four sector structures, and these four sector structures are angularly fixed on to spacing the top of water distribution cylindrical shell 2.Further, described four sector structures are positioned at a plane, and become rotational symmetry to arrange.That is, described four coplanar symmetric offset spread of sector structure.Composition graphs 1, described sector structure place plane is parallel with breaking water level W1, can make full use of the water distribution active area of water distributor 6A like this.Combined by Fig. 5 a and Fig. 5 b and Fig. 1, four sector structures of the first water distributor 6A arrange, this is because in the internal structure of the dissolved oxygen aerating apparatus shown in Fig. 1, the axis of water distribution cylindrical shell 2 is perpendicular to breaking water level about the formed symmetrical of water distribution cylindrical shell 2.Alternatively, according in other structure design of the utility model embodiment, the axis of water distribution cylindrical shell 2 also can be not orthogonal to breaking water level or water distribution cylindrical shell 2 does not have axisymmetric structure.
Get back to Fig. 5 a and Fig. 5 b, each sector structure of the first water distributor 6A is provided with multiple aperture, i.e. water distributing pore 61.The mode of this hole water distribution, effectively improves the contact area of water and air, improves the dissolved oxygen efficiency of water.
As shown in Figure 5 a, these water distributing pores 61 are along the radial direction arrangement in column of sector structure, and in each row, the spaced design of each water distributing pore 61 is substantially identical, and that is, water distributing pore 61 is substantially uniformly symmetrical, and water distribution can be made so more even.Alternatively, water distributing pore 61 also can random arrangement.
As shown in the B-B sectional view of Fig. 5 b, the edge of each sector structure stretches out a segment length upward.Can find out the part that the axial edge of sector structure protrudes upward from Fig. 5 b, alternatively, the longitudinal edge of sector structure is along also having the part protruded upward.Like this, the water fallen in sector structure can all fall through water distributing pore 61 again, water distribution better effects if.
As previously mentioned, the first water distributor 6A place plane parallel in breaking water level W1, that is, with horizontal direction parallel, like this, the water dropping on water distributor sector structure surface can along this surface flow, and distribute at this surface uniform, then fall from each water distributing pore 61, such water distribution is also more even.
If flooding velocity is greater than the maximum cloth discharge of the first water distributor 6A, fall the edge that raises up can crossing the sector structure of water distributor at the water on the first water distributor 6A surface, and from the slit flow between sector structure.In order to increase the cloth discharge of water distributor, the quantity of water distributing pore 61 can be increased, design its sectional area, the sectional area sum of whole water distributing pore 61 is made to be greater than the maximum effective cross sectional area of the aforesaid current limited by flow director 7 or water inlet pipe inwall basal area, preferably, the sectional area sum of whole water distributing pore 61 1.2 times of the maximum effective cross sectional area of current of limiting for flow director 7.
Water distributor 6A is as shown in Figure 5 a made up of 4 sector structures, alternatively, can be made up of the sector structure of other quantity.Water distributor 6A also can be made up of a circular ring structure.But the design of multiple sector structure, make it possible to each sector structure assembled respectively or be welded to water distribution cylindrical shell 2, compared with overall circular ring structure, it is easier to manufacture and install.
In order to increase cloth water area, the diameter (edge is in the radial direction to the distance of axis) of water distributor 6A can be only smaller than the interior diameter of outer cylinder body 1.
Fig. 6 schematically shows the sectional view of the dissolved oxygen aerating apparatus according to another embodiment of the utility model.Compared with the embodiment shown in Fig. 1, the dissolved oxygen aerating apparatus of Fig. 6 further comprises the second water distributor 6B.This second water distributor 6B is arranged at the below of the first water distributor 6A, makes the water fallen after the first water distributor 6A water distribution can be subject to the second water distributor 6B and carries out two time waters.
Fig. 7 a shows the top view of the second water distributor of the dissolved oxygen aerating apparatus of Fig. 6, and Fig. 7 b shows the stereographic map of the single cloth wiper blade of this water distributor.
As shown in Figure 7a, the second water distributor 6B comprises multiple cloth wiper blade 62, and these cloth wiper blade 62 arrange axisymmetricly, around being installed on water distribution cylindrical shell 2.Composition graphs 6, the described symmetry axis of described second water distributor 6B is perpendicular to horizontal plane.Be similar to the first water distributor 6A, described symmetry axis also can overlap with the axis of water distribution cylindrical shell 2.
As shown in Figure 7b, each cloth wiper blade 62 has inverted v-shaped structure, when the water fallen drops on cloth wiper blade 62, can produce oblique splashing, can improve the contact area of water and air, improve the dissolved oxygen efficiency of water.The rib portion 621 of the cloth wiper blade 62 of inverted v-shaped structure can be positioned at same plane (being such as parallel to the plane of horizontal plane), also can be staggered with certain angle, this staggered design can enrich the level of oblique splashing, improves the dissolved oxygen efficiency that the oblique splashing of water brings.
Fig. 8 schematically shows the sectional view of the dissolved oxygen aerating apparatus according to another embodiment of the utility model.Compared with the embodiment shown in Fig. 6, the dissolved oxygen aerating apparatus of Fig. 8 further comprises the 3rd water distributor 6C.3rd water distributor 6C is arranged at the below of the second water distributor 6B, makes the water fallen after the second water distributor 6B water distribution can carry out third time water distribution by the 3rd water distributor 6C.
First water distributor 6A, the second water distributor 6B and the 3rd water distributor 6C are all installed on water distribution cylindrical shell 2, and wherein any one all can adopt aforesaid water distributing pore structure as shown in figure 5 a and 5b or water distribution blade construction as shown in figs. 7 a and 7b.
Alternatively, according to the dissolved oxygen aerating apparatus of the utility model embodiment, more water distributor can be had, also can adopt other water distributor structure.
According to the dissolved oxygen aerating apparatus of the utility model embodiment, can be connected in series with water treatment device such as filtration units or combine, become a part for water treating equipment or water treatment system.
According to dissolved oxygen aerating apparatus and the water treating equipment of the utility model embodiment, the effect with further aspect or several aspect can be realized: by the potential energy of the drop of the breaking water level of the staying water water surface and device inside that utilize device outside, for dissolved oxygen aeration provides power, more energy-conservation, environmental protection more, also makes the motion of device internal water more stable; The control water surface being come implement device inside by the control of flooding velocity is basicly stable, thus ensures that breaking water level is poor to the water surface elevation controlling the water surface, ensures the space of drop type dissolved oxygen aeration; Air inlet anti-overflow device can also be utilized to come inside when implement device runs and extraneous gas exchanges and device is out of service time anti-sealing overflow, overcome other similar devices and easily metal run out and flood the problem of machine room.
The above is only exemplary embodiment of the present utility model, but not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.

Claims (13)

1. a dissolved oxygen aerating apparatus, comprising:
Outer cylinder body (1), water inlet pipe (3), rising pipe (4),
It is characterized in that,
Described dissolved oxygen aerating apparatus also comprises: water distribution cylindrical shell (2) and water distributor (6A),
Described water inlet pipe (3) is communicated with described water distribution cylindrical shell (2), pending water is made to flow into described water distribution cylindrical shell (2) from described water inlet pipe (3), and upwards flow in described water distribution cylindrical shell (2) and arrive breaking water level (W1), wherein, the height of described breaking water level (W1) is lower than the height of the initial water surface of described pending water or the height of described pending water after water pump lifting;
Described water distributor (6A) is installed on described water distribution cylindrical shell (2), water distribution is carried out to the water fallen from described breaking water level (W1), wherein, the water through described water distributor (6A) water distribution continues to fall to the inner control water surface (W2) of described outer cylinder body (1).
2. dissolved oxygen aerating apparatus according to claim 1, it is characterized in that, described water inlet pipe (3) or described water distribution cylindrical shell (2) are provided with flow director (7), the height change of the described control water surface (W2) that this flow director (7) senses based on it dynamically controls the flooding velocity of described water inlet pipe (3) or described water distribution cylindrical shell (2), thus makes the described control water surface (W2) remain on certain height.
3. dissolved oxygen aerating apparatus according to claim 2, is characterized in that, described flow director (7) comprising: water surface sensing unit (71) and flow controlling unit (72), wherein,
Described water surface sensing unit (71) is arranged on the outside of described water inlet pipe (3) or described water distribution cylindrical shell (2), sense the water surface elevation change of the described control water surface (W2), and this water surface elevation variable quantity is converted into the location variation of described water surface sensing unit (71);
Described water surface sensing unit (71) is connected with described flow controlling unit (72) by link gear, thus the location variation of described water surface sensing unit (71) is exported to described flow controlling unit (72);
Described flow controlling unit (72) is arranged at the inside of described water inlet pipe (3) or described water distribution cylindrical shell (2), to move certain path increment according to the location variation of described water surface sensing unit (71), thus adjust the flooding velocity of described water inlet pipe (3) or described water distribution cylindrical shell (2).
4. dissolved oxygen aerating apparatus according to claim 3, is characterized in that, described flow director (7) also comprises stroke limit unit (73), limits the stroke variation range of described flow controlling unit (72).
5. dissolved oxygen aerating apparatus according to claim 3, it is characterized in that, described flow director (7) also comprises stroke increasing unit (74), the trip increasing unit (74) is connected between described water surface sensing unit (71) and described flow controlling unit (72), for amplifying the liquid level variable quantity that described water surface sensing unit (71) senses.
6. dissolved oxygen aerating apparatus according to claim 1, it is characterized in that, described dissolved oxygen aerating apparatus also comprises air inlet anti-overflow device (5), when water level in described dissolved oxygen aerating apparatus rises to this device top casing inwall, described air inlet anti-overflow device (5) is closed, and anti-sealing outwards overflows; When water level in described dissolved oxygen aerating apparatus is not to this device top casing inwall, described air inlet anti-overflow device (5) is opened, and realizes the gaseous interchange that described dissolved oxygen aerating apparatus is inner and outside.
7. dissolved oxygen aerating apparatus according to claim 6, is characterized in that, described air inlet anti-overflow device (5) is the check valve including ball float.
8. according to the dissolved oxygen aerating apparatus in claim 1-7 described in any one, it is characterized in that, described dissolved oxygen aerating apparatus comprises water distributor (6A described at least one, 6B and 6C), described water distributor (6A, 6B and 6C) is installed on described water distribution cylindrical shell (2) from top to bottom successively.
9. dissolved oxygen aerating apparatus according to claim 8, it is characterized in that, described water distributor (6A, 6B and 6C) at least one comprise multiple sector structures of coplanar symmetric offset spread, described sector structure place plane is parallel with described breaking water level (W1), wherein, each described sector structure is provided with multiple water distributing pore (61).
10. dissolved oxygen aerating apparatus according to claim 9, is characterized in that, described water distributing pore (61) is along the radial direction even arrangement in column of described sector structure.
11. dissolved oxygen aerating apparatuss according to claim 8, is characterized in that, at least one in described water distributor (6A, 6B and 6C) comprises the multiple cloth wiper blade (62) arranged axisymmetricly.
12. dissolved oxygen aerating apparatuss according to claim 11, is characterized in that, described cloth wiper blade (62) has inverted v-shaped structure.
13. 1 kinds of water treating equipment, is characterized in that, comprising: the dissolved oxygen aerating apparatus according to any one of claim 1-12.
CN201420642740.0U 2014-10-30 2014-10-30 Dissolved oxygen aerating apparatus and apply its water treating equipment Active CN204079618U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104276679A (en) * 2014-10-30 2015-01-14 北京市沃奇新德水处理设备开发有限责任公司 Oxygen dissolution and aeration device and water treatment equipment applying same
CN104986872A (en) * 2015-06-29 2015-10-21 安徽省安庆市皖清环保科技有限公司 Aeration decontamination device
CN106630150A (en) * 2017-01-20 2017-05-10 太原理工大学 Drop oxygen enrichment type micro-aerobic-sludge-bed process and wastewater treatment method thereof
CN107869026A (en) * 2016-09-27 2018-04-03 东部大宇电子株式会社 Washing machine and its control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104276679A (en) * 2014-10-30 2015-01-14 北京市沃奇新德水处理设备开发有限责任公司 Oxygen dissolution and aeration device and water treatment equipment applying same
CN104986872A (en) * 2015-06-29 2015-10-21 安徽省安庆市皖清环保科技有限公司 Aeration decontamination device
CN104986872B (en) * 2015-06-29 2017-05-24 东莞市正大纺织科技有限公司 Aeration decontamination device
CN107869026A (en) * 2016-09-27 2018-04-03 东部大宇电子株式会社 Washing machine and its control method
CN106630150A (en) * 2017-01-20 2017-05-10 太原理工大学 Drop oxygen enrichment type micro-aerobic-sludge-bed process and wastewater treatment method thereof
CN106630150B (en) * 2017-01-20 2019-08-09 太原理工大学 Drop oxygen-enriched oxygen sludge bed process and its wastewater treatment method of declining

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