阅读说明：本技术 一种生物转盘用水循环装置 (Water circulating device for biological rotating disc ) 是由 蔡永玲 于 2021-07-27 设计创作，主要内容包括：本发明涉及污水处理技术领域,且公开了一种生物转盘用水循环装置,包括净化池,所述净化池的一侧开设有进水口,所述净化池的内腔中部活动安装有转轴,所述转轴的外部固定套接有圆盘体。本发明通过设置水循环齿牙,使单位面积内污水可进入入水口的污水量有限,避免现有生物膜的表面所接触的污水量过大,而造成生物膜所受有机负荷过高,通过在水循环齿牙的内腔设置分隔板、弹簧以及水压板的结构,使储留的污水从水压板与分隔板的分离处流出,并下落至生物膜的表面,对外露在污水面之上的生物膜进行及时的水源补给,通过设置分流板,使污水水流被细分成小型的水流,减小水冲力,进而避免生物膜存在脱落隐患,同时有效避免外部空气大量渗入。(The invention relates to the technical field of sewage treatment, and discloses a water circulating device for a biological rotating disc. The water circulation teeth are arranged, so that the sewage amount of sewage which can enter the water inlet in unit area is limited, the problem that the organic load on a biological membrane is too high due to the fact that the sewage amount contacted with the surface of the existing biological membrane is too large is avoided, the stored sewage flows out from the separation position of the water pressure plate and the separation plate and falls to the surface of the biological membrane through the structure that the separation plate, the spring and the water pressure plate are arranged in the inner cavity of the water circulation teeth, the water source supply is timely carried out on the biological membrane exposed on the sewage surface, the sewage flow is subdivided into small flows through the flow distribution plate, the water impact is reduced, the falling hidden danger of the biological membrane is avoided, and meanwhile, the large amount of external air is effectively avoided from permeating.)

1. The utility model provides a water circulating device for biological rotating disk, includes purifying tank (1), its characterized in that: a water inlet (2) is arranged on one side of the purification tank (1), a rotating shaft (3) is movably arranged in the middle of the inner cavity of the purification tank (1), a disc body (4) is fixedly sleeved outside the rotating shaft (3), a biological membrane (5) is fixedly arranged outside the disc body (4), an outer shell (6) is fixedly arranged at one end of the rotating shaft (3), water circulation teeth (7) are fixedly arranged on the outer side of an inner cavity of the outer shell (6), a partition plate (8) is fixedly arranged in the inner cavity of the water circulation tooth (7), a spring (9) is fixedly arranged in the middle of the partition plate (8), one end of the spring (9) is fixedly connected with a water pressure plate (10), a flow distribution plate (11) positioned in the inner cavity of the outer shell (6) is fixedly arranged below the bottom end of the water circulation teeth (7), a water inlet (12) is formed in the bottom of one side of the water circulation teeth (7).

2. The water circulation device for the bio-disc according to claim 1, wherein: the shape of shell body (6) is circular, wherein, the sealed is hugged closely with one side of hydrologic cycle tooth (7) to one side surface of shell body (6), and its another side surface also closely laminates with one side of hydrologic cycle tooth (7), but the other side surface middle part is in the cavity state, and the diameter value of cavity equals the distance value of the bottom of upper end hydrologic cycle tooth (7) to the top of lower extreme hydrologic cycle tooth (7).

3. The water circulation device for the bio-disc according to claim 1, wherein: the shape of hydrologic cycle tooth (7) is the shape similar to the gear, the tooth of hydrologic cycle tooth (7) is half moon tooth shape, and the surface is smooth arc, and the crooked orientation of every tooth is anticlockwise and arranges.

4. The water circulation device for the bio-disc according to claim 1, wherein: the shape of flow distribution plate (11) is semi-circular arc, flow distribution plate (11) fixed mounting is on the top upper portion of biomembrane (5), and the aperture has been seted up on the surface of flow distribution plate (11).

5. The water circulation device for the bio-disc according to claim 1, wherein: the water inlet (12) is arranged at the bottom of one side surface of the water circulation teeth (7) facing the inner side, and the opening of the water inlet is rectangular.

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a water circulating device for a biological rotating disc.

Background

The biological rotating disc is a technical device for sewage treatment by utilizing a biological membrane, the mechanism of purifying organic matters of the biological rotating disc is basically the same as that of a biological filter, but the structure form of the biological rotating disc is different from that of the biological filter, the biological rotating disc comprises a water tank and a rotating disc structure partially immersed in the sewage tank, and the biological rotating disc comprises a rotating disc, a contact reaction tank, a driving device, a rotating shaft and the like, so that the biological rotating disc is convenient to install, simple to operate and excellent in purifying effect, and is widely applied to the aspect of sewage treatment.

When the existing biological rotating disc rotates, in order to avoid that microorganisms on a biological film at the edge of the disc are not lost, therefore, the existing biological rotating disc generally rotates at a low speed, but because of the system structure of the existing biological rotating disc, half of the rotating disc is immersed in sewage, and the other half of the rotating disc is not contacted with water, when the rotating disc rotates out of the water surface part of the sewage, microorganisms exposed on the external disc body cannot be supplied with water source for a long time due to the low-speed rotation of the rotating disc, and the contact time with air is longer, so that the microorganism colony is died and dried, and the biological purification efficiency is reduced, in addition, because the disc body structure of the existing biological rotating disc is simple, no additional device is arranged on the surface of the disc, when the disc body rotates into a sewage pool and is contacted with the sewage, the amount of water entering a reaction tank is too large, the organic load applied to the biological film is too large, and if the too high hydraulic load is kept for a long time, the removal rate of organic matters is reduced, and the biological membrane is easy to separate, so that the turntable purification is ineffective.

Disclosure of Invention

Aiming at the defects of the prior biological rotating disk in the use process, the invention provides the water circulating device for the biological rotating disk, which has the advantages that the rotating disk can realize automatic water circulation, the water source supply is ensured, the microbial bacteria are prevented from drying up, the water inflow is effectively controlled, the excessive organic load is avoided, and the technical problems in the prior art are solved.

The invention provides the following technical scheme: the utility model provides a water circulating device for biological rotating disc, includes the purification tank, the water inlet has been seted up to one side of purification tank, the inner chamber middle part movable mounting of purification tank has the pivot, the fixed coupling in outside of pivot has the disc body, the outside fixed mounting of the disc body has the biomembrane, the one end fixed mounting of pivot has the shell body, the inner chamber outside fixed mounting of shell body has water circulation tooth, the inner chamber fixed mounting of water circulation tooth has the division board, the middle part fixed mounting of division board has the spring, the one end fixedly connected with hydropress board of spring, the bottom below fixed mounting of water circulation tooth has the flow distribution plate that is located the inner chamber of shell body, the water inlet has been seted up to one side bottom of water circulation tooth.

Preferably, the outer shell is circular, wherein one side surface of the outer shell is tightly attached and sealed with one side of the water circulation teeth, the other side surface of the outer shell is also tightly attached with one side of the water circulation teeth, the middle part of the other side surface is in a hollow state, and the diameter value of the hollow part is equal to the distance value from the bottom end of the upper end water circulation teeth to the top end of the lower end water circulation teeth.

Preferably, the shape of the water circulation teeth is similar to that of a gear, the teeth of the water circulation teeth are half-moon-shaped, the surface of the water circulation teeth is smooth arc-shaped, and the bending direction of each tooth is arranged in the anticlockwise direction.

Preferably, the shape of flow distribution plate is semi-circular arc, flow distribution plate fixed mounting is on the top upper portion of biomembrane, and the surface of flow distribution plate has seted up the aperture.

Preferably, the water inlet is opened at the bottom of a surface of the water circulation tooth facing the inside, and the opening of the water inlet is rectangular.

The invention has the following beneficial effects:

1. the invention arranges the water circulation teeth, when the rotating shaft rotates, the water circulation teeth guide and divide the sewage flow, the sewage which is evenly divided flows back upwards along the inner side surface of the water circulation teeth, enters the inner cavity of the water circulation teeth through the water inlet and contacts with the biomembrane for biological purification, the sewage is cut and divided by the bent angle structure of the water circulation teeth, the sewage amount which can enter the water inlet in a unit area is limited, thereby avoiding the problem that the biomembrane is excessively loaded with organic load caused by the overlarge sewage amount which is contacted with the surface of the existing biomembrane, simultaneously, the sewage flows in the inner cavity of the water circulation teeth due to the structure similar to waves at the inner and outer joints of the water circulation teeth, the sewage can be subjected to water resistance and water impact and is consumed, and the water power is slow when the sewage flows on the surface of the biomembrane, can fully contact and react with the biological membrane, reduces the water impact force on the biological membrane and avoids the adverse effect of sewage scouring.

2. According to the invention, the structure that the partition plate, the spring and the water pressure plate are arranged in the inner cavity of the water circulation tooth is adopted, so that when sewage flows into the inner cavity of the water circulation tooth, partial sewage can be stored in the tooth tip of the water circulation tooth, when the water circulation tooth which stores the sewage continues to rotate forwards, the angle of the position of the water circulation tooth begins to be increased, the partition plate and the water pressure plate are subjected to the water pressure given by the stored partial sewage, the water pressure plate is separated from the partition plate, the stored sewage flows out from the separation position of the water pressure plate and the partition plate and falls onto the surface of a biological membrane, and a water source is timely supplied to the biological membrane exposed on the sewage surface, so that the effect that the biological membrane which falls off the sewage surface cannot cause water shortage and dryness is achieved, the microbial community in the biological membrane cannot die, and the activity is maintained.

3. The invention has the advantages that the splitter plate is arranged, when the stored sewage flows downwards through the splitter plate and the water pressure plate, the problem that water flow falls on the surface of the biomembrane and the impact of the biomembrane falls off due to overlarge impact force of the water flow exists is solved, when the stored sewage flows downwards, the sewage flow is subdivided into small water flows through the small holes on the surface of the splitter plate, the water impact is reduced, the hidden danger of falling off of the biomembrane is further avoided, meanwhile, when the water flow penetrates through the splitter plate, the fine water flow below the splitter plate is dense, a water curtain-shaped flowing state is formed, a water seal is formed above the top end of the biomembrane, and the phenomenon that a large amount of external air permeates into the biomembrane to influence the activity of bacteria on the surface of the biomembrane can be effectively avoided.

Drawings

FIG. 1 is a schematic cross-sectional front view of the structure of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is an enlarged partial view of a water circulating tooth according to the present invention;

FIG. 4 is a schematic view showing a state where the stored wastewater of FIG. 3 flows out according to the present invention; .

In the figure: 1. a purification tank; 2. a water inlet; 3. a rotating shaft; 4. a disc body; 5. a biofilm; 6. an outer housing; 7. water circulation teeth; 8. a partition plate; 9. a spring; 10. a water pressing plate; 11. a flow distribution plate; 12. a water inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a water circulation device for a biological rotating disk comprises a purification tank 1, a water inlet 2 is arranged at one side of the purification tank 1, a rotating shaft 3 is movably arranged in the middle of the inner cavity of the purification tank 1, a disk body 4 is fixedly sleeved outside the rotating shaft 3, a biological membrane 5 is fixedly arranged outside the disk body 4, an outer shell 6 is fixedly arranged at one end of the rotating shaft 3, a water circulation tooth 7 is fixedly arranged at the outer side of the inner cavity of the outer shell 6, a partition plate 8 is fixedly arranged in the inner cavity of the water circulation tooth 7, a spring 9 is fixedly arranged in the middle of the partition plate 8, a water pressure plate 10 is fixedly connected at one end of the spring 9, a flow distribution plate 11 positioned in the inner cavity of the outer shell 6 is fixedly arranged below the bottom end of the water circulation tooth 7, a water inlet 12 is arranged at the bottom of one side of the water circulation tooth 7, and a structure of the partition plate 8, the spring 9 and the water pressure plate 10 is arranged in the inner cavity of the water circulation tooth 7, when the water circulation teeth 7 are immersed in the sewage, the sewage flows into the inner cavity of the water circulation teeth 7, the downward pressure caused by the water flow to the water pressure plate 10 further causes the water pressure plate 10 to be separated from the partition plate 8, the sewage flows into the tooth tips of the water circulation teeth 7, the angle position of the water circulation teeth 7 is continuously changed along with the rotation of the rotating shaft 3, the downward pressure of the water flow is gradually reduced along with the gradual approach to zero, the partition plate 8 and the water pressure plate 10 are closed again, at this time, part of the sewage is stored in the tooth tips of the water circulation teeth 7, when the water circulation teeth 7 storing the sewage continue to rotate forwards, the position angle begins to be increased, the partition plate 8 and the water pressure plate 10 are subjected to the water pressure given by the stored part of the sewage again, the water pressure plate 10 and the partition plate 8 are separated again, the stored sewage flows out from the separation position and falls to the surface of the biomembrane 5, the biological membrane 5 exposed on the sewage surface is supplied with a water source in time, so that the biological membrane 5 falling off the sewage surface cannot cause water shortage and dryness, the microbial community in the biological membrane 5 cannot die, and the activity is kept.

Wherein, the shape of shell body 6 is circular, wherein, one side surface of shell body 6 is hugged closely with one side of hydrologic cycle tooth 7 and is sealed, its opposite side surface also closely laminates with one side of hydrologic cycle tooth 7, but opposite side surface middle part is in the cavity state, the diameter value of cavity equals the distance value of the bottom of upper end hydrologic cycle tooth 7 to the top of lower extreme hydrologic cycle tooth 7, shell body 6 and hydrologic cycle tooth 7 are sealed each other, can guarantee that sewage can be deposited at the cusp position of hydrologic cycle tooth 7, also can not influence the purification blowdown work of biomembrane 5 simultaneously.

Wherein, the shape of the water circulation teeth 7 is similar to the shape of a gear, the teeth of the water circulation teeth 7 are half-moon-shaped, the surface is smooth arc, and the bending direction of each tooth is arranged in the counterclockwise direction, when the rotating shaft 3 drives the disc body 4 to rotate, the water circulation teeth 7 sink into the sewage in the inner cavity of the purifying tank 1, when the rotating shaft 3 rotates, the water circulation teeth 7 guide the flow of the sewage and simultaneously achieve the shunting effect, the evenly divided sewage flows upwards along the inner side surface of the water circulation teeth 7 in a countercurrent way, enters the inner cavity of the water circulation teeth 7 through the water inlet 12 and contacts with the biological membrane 5, thereby performing biological purification, the sewage cutting shunting caused by the bent angle structure of the water circulation teeth 7, the sewage amount which can enter the water inlet 12 in unit area is limited, and further effectively avoiding the excessive sewage amount contacted with the surface of the existing biological membrane 5, the biological membrane 5 is subjected to an excessively high organic load, and meanwhile, due to the wave-like structure at the inner and outer joints of the water circulation teeth 7, when sewage flows in the inner cavity of the water circulation teeth 7, the sewage is subjected to water resistance, and water impact is consumed due to collision, so that when the sewage flows through the surface of the biological membrane 5, the water power of the sewage is slow, the sewage can be in full contact reaction with the biological membrane 5, the water impact on the biological membrane 5 is reduced, and the adverse effect of sewage scouring is avoided.

Wherein, the shape of the flow distribution plate 11 is a semi-circular arc, the flow distribution plate 11 is fixedly installed on the top of the biological membrane 5, and the surface of the flow distribution plate 11 is provided with small holes, when the stored sewage flows downwards from the inside of the tooth tips of the water circulation teeth 7 through the partition plate 8 and the water pressure plate 10, the stored sewage flows on the surface of the biological membrane 5, the impact of the biological membrane 5 is dropped off due to overlarge water flow impact force, through the flow distribution plate 11, when the stored sewage flows downwards, the sewage flows are subdivided into small water flows through the small holes on the surface of the flow distribution plate 11, the water impact is reduced, and further the hidden danger of dropping off of the biological membrane 5 is avoided, meanwhile, when the water flows penetrate through the flow distribution plate 11, the fine water flows below the flow distribution plate are dense, and form a water flow state similar to a water curtain shape, a water seal is formed above the top of the biological membrane 5, and the infiltration of a large amount of external air can be effectively avoided, further affecting the activity of the bacteria on the surface of the biofilm 5.

Wherein, the water inlet 12 is opened at the bottom of one side surface of the water circulation tooth 7 facing to the inner side, and the opening is rectangular.

The using method of the invention has the following working principle:

when sewage is treated, sewage is filled into the inner cavity of the purification tank 1 through the water inlet 2 by the water supply device, when the sewage submerges half of the disc body 4, namely the standard water surface for sewage purification is reached, the water surface is kept unchanged, the conventional power device is started, the rotating shaft 3 is enabled to start to rotate, the disc body 4 and the biological membrane 5 are driven to rotate anticlockwise together by the rotating shaft 3, when the biological membrane 5 rotates, the outer shell 6 drives the water circulation teeth 7 to synchronously rotate along with the biological membrane 5, when the water circulation teeth 7 submerge into the sewage in the inner cavity of the purification tank 1, the water circulation teeth 7 submerge in the bottom structure of the sewage, the sewage is guided by water flow, the sewage flows upwards in a counter-flow manner along the inner side surface of the water circulation teeth 7, enters the inner cavity of the water circulation teeth 7 through the water inlet 12 and contacts with the biological membrane 5, and biological purification is carried out.

When sewage flows into the inner cavity of the water circulation teeth 7, water flow gives a downward pressure to the water pressure plate 10, so that the water pressure plate 10 is separated from the partition plate 8, the sewage flows into the tooth tips of the water circulation teeth 7, the angle position of the tooth tips of the water circulation teeth 7 is continuously changed along with the rotation of the rotating shaft 3, the sewage gradually approaches zero along with the angle and becomes a horizontal position, the downward pressure of the water flow is gradually reduced, the partition plate 8 and the water pressure plate 10 are closed again, at the moment, part of sewage is stored in the tooth tips of the water circulation teeth 7, when the water circulation teeth 7 storing the sewage continuously rotate forwards, the position angle begins to be increased, the partition plate 8 and the water pressure plate 10 are subjected to the water pressure given by the stored part of sewage again, the water pressure plate 10 and the partition plate 8 are separated again, the stored sewage flows out from the separation and falls to the surface of the biological membrane 5, and the water flow is shown by an arrow in figure 4, the biological membrane 5 exposed on the sewage surface is supplied with a water source in time, so that the biological membrane 5 falling off the sewage surface cannot cause water shortage and dryness, the microbial community in the biological membrane 5 cannot die, and the activity is kept.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.