CN210583824U - Novel high-efficient vertical flow sedimentation tank and MBBR integration equipment - Google Patents
Novel high-efficient vertical flow sedimentation tank and MBBR integration equipment Download PDFInfo
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- CN210583824U CN210583824U CN201921301373.7U CN201921301373U CN210583824U CN 210583824 U CN210583824 U CN 210583824U CN 201921301373 U CN201921301373 U CN 201921301373U CN 210583824 U CN210583824 U CN 210583824U
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Abstract
The utility model discloses a novel high-efficient vertical flow sedimentation tank and MBBR integration equipment belongs to sewage treatment technical field. The device comprises a sedimentation tank body, a water inlet pipe, a guide cylinder, a reflecting plate and a mud scraper, wherein the mud scraper comprises a transmission motor, a paddle rod and a paddle, one end of the paddle rod is connected with the motor, the other end of the paddle rod is connected with the paddle, the paddle is connected with a soft material, and the soft material is seamlessly attached to the bottom of the sedimentation tank body; the water inlet pipe is positioned on the sedimentation tank body, the periphery of the paddle rod is provided with a guide cylinder, and the bottom of the guide cylinder is provided with a reflecting plate; the bottom of the sedimentation tank body is connected with a sludge discharge pipe. The utility model discloses the sedimentation tank adopts and erects the form sedimentation tank and accomplish mud-water separation to the sedimentation tank is equipped with mud scraper, can realize good mud-water separation, is arranged in MBBR integration equipment with this sedimentation tank, and the MBBR technology uses the suspension filler to provide the growth carrier for the microorganism, through the abundant fluidization of suspension filler, can realize the high-efficient handling of sewage.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to novel high-efficient vertical flow sedimentation tank and MBBR integration equipment.
Background
In recent years, with the falling of environmental protection policies and higher requirements of people on living environment, sewage treatment is imperative, sewage treatment in cities is mature, construction of sewage treatment pipe networks is mature and perfect, and centralized collection and treatment are difficult to realize due to problems of pipe network laying and the like in treatment of dispersed points. The integrated sewage treatment equipment has the characteristics of high intensification, high starting speed, flexibility, simplicity and convenience, and has great advantages for meeting the requirement of dispersive sewage treatment.
Considering the characteristic of dispersive sewage treatment, the sewage treatment integrated equipment has higher requirement on the stability of the process, and the integrated sewage treatment equipment under the MBBR process has the advantages of both the traditional fluidized bed and the biological contact oxidation method, so that the MBBR process is a novel high-efficiency sewage treatment method. Different from the prior filler, the suspended filler can be frequently contacted with sewage for many times, is called as a 'moving biological film', has the characteristic of strong impact load resistance, and is suitable for the requirement of dispersed sewage treatment.
The MBBR treatment process is a biological membrane treatment process, a mud membrane load process or a pure membrane process can be adopted, and the research on the vertical flow sedimentation tank in the prior art mainly comprises the following steps:
application number 201720198612.5 discloses a vertical flow sedimentation tank, and it includes lid, jar body, support, and the lid is installed at the top of jar body, and jar body top is provided with the drain, is connected with the water inlet at the lateral wall of jar body, and the water inlet is connected with central draft tube, and central draft tube bottom is provided with the reflecting plate, and the reflecting plate bottom is provided with vertical evenly distributed's current stabilizer, and jar internal portion is provided with annular swash plate. Although the sedimentation tank can effectively avoid the floating of sediments, the sedimentation effect is still to be further improved.
Application No. 201810789909.8 discloses a novel vertical sedimentation tank, which is characterized in that a guide plate is arranged on the surface of a conical sludge bucket of the sedimentation tank to form a guide groove, and a porous water distribution turbulence pipe is arranged in the guide groove. The disturbance effect of the porous water distribution disturbance pipe strengthens the fluidity of sludge deposited on the surface of the conical sludge hopper, so that the sludge can better slide to the bottom of the conical sludge hopper. Although the sedimentation tank strengthens the sedimentation through the action of the porous water distribution turbulence pipe, the sludge discharge effect has the defects that the sludge at the corners cannot be discharged.
The MBBR integrated equipment in the prior art also has the technical defects of poor precipitation performance and incomplete precipitation, and the existence of the technical defect leads to higher suspended matters in effluent, so that the MBBR integrated equipment adopts a common vertical flow sedimentation tank and has the technical defects of large equipment space and poor sludge discharge effect due to the adoption of a sludge discharge pipe at the bottom.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel high-efficient vertical flow sedimentation tank and MBBR integration equipment, it can realize good mud-water separation, has that the settling rate is fast, the settling time is short, surface load is high advantage.
One of the tasks of the utility model is to provide a vertical sedimentation tank, which adopts the following technical scheme:
a vertical flow sedimentation tank comprises a sedimentation tank body, a water inlet pipe, a guide cylinder, a reflecting plate and a mud scraper, wherein the mud scraper comprises a transmission motor, a paddle rod and a paddle blade, the transmission motor is positioned above the sedimentation tank body, the paddle rod extends into the sedimentation tank body from the top of the sedimentation tank body and extends to the middle lower part of the sedimentation tank body, the paddle blade is installed at the bottom of the paddle rod, a soft material is connected onto the paddle blade, and the soft material is seamlessly attached to the bottom of the sedimentation tank body;
the water inlet pipe is positioned on the sedimentation tank body, the guide cylinder is arranged on the periphery of the paddle rod, sewage entering through the water inlet pipe is introduced into the guide cylinder, and the reflecting plate is arranged at the bottom of the guide cylinder;
the bottom of sedimentation tank body is provided with the mud discharge port.
In a preferred embodiment of the present invention, the soft material is rubber.
As another preferable aspect of the present invention, the blade is made of stainless steel or corrosion-resistant carbon steel.
The utility model has another task of providing an MBBR integrated device, which comprises an anoxic tank, an MBBR tank and a comprehensive device room which are arranged in sequence, wherein the vertical sedimentation tank is arranged between the MBBR tank and the comprehensive device room, a sludge storage tank and a clean water tank are arranged below the vertical sedimentation tank, and the sludge storage tank and the clean water tank are arranged side by side; the bottom of the clean water tank is provided with a water outlet, and the anoxic tank is provided with a water inlet.
Further preferably, a sand filtration treatment system and an ultraviolet disinfection system are arranged in the comprehensive equipment room.
Compared with the prior art, the utility model discloses following beneficial technological effect has been brought:
firstly, the vertical flow sedimentation tank of the utility model is equipped with a mud scraper, which can realize good mud-water separation, in addition, the bottom of the paddle of the mud scraper is connected with soft materials such as rubber, when the mud scraper works, the soft materials can be driven to rotate, thereby the sludge at the bottom corner of the sedimentation tank body is treated completely; the rotating speed of the mud scraper is controlled by frequency conversion, so that the rotating speed is adjustable.
Secondly, the utility model discloses MBBR integration equipment, it adopts above-mentioned vertical flow sedimentation tank, is provided with the perforation aeration pipe in the oxygen deficiency pond, has saved motor stirring machine, has reduceed the appearance of fault point, moves more safety and stability.
Finally, in the MBBR integrated equipment of the utility model, sewage enters the first tank body of the MBBR integrated equipment through the lifting device, namely an anoxic tank, perforated aeration stirring is arranged in the anoxic tank, and after full biochemical reaction, biochemical reactions such as denitrification and denitrification are completed in the anoxic tank; then the sewage enters an MBBR tank through the tail end of an anoxic tank, a suspended carrier biological filler is filled in the MBBR tank, the biological filler can be fully fluidized under the action of micropore aeration, and the biochemical reactions such as decarburization and dephosphorization, nitrification and denitrification and the like are completed in the MBBR tank; then the sewage enters the novel high-efficiency vertical flow sedimentation tank through the tail end of the aerobic tank, and after mud-water separation is completed, purification treatment of the sewage is completed, and standard discharge is realized. The MBBR integrated equipment is provided with a clean water tank and a sludge storage tank, wherein the clean water tank can store a certain amount of clean water to meet the requirement of subsequent advanced treatment, and the sludge storage tank can meet the requirement of sludge discharge and storage of the equipment and is transported outside periodically; this integrated comprehensive equipment room of MBBR integration equipment can place sand filtration system, ultraviolet disinfection system in the equipment room, handles out the demand that water can satisfy higher emission standard.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a vertical sedimentation tank of the present invention;
FIG. 2 is a schematic structural diagram of the MBBR integrated equipment of the present invention;
in the figure: 1. the device comprises a mud scraper, 2, a water inlet pipe, 3, a guide cylinder, 4, a reflecting plate, 5, blades, 6, a sludge discharge pipe, 7, an anoxic tank, 8, an MBBR tank, 9, a vertical flow sedimentation tank, 10, a comprehensive equipment room, 11, a sludge storage tank, 12, a clean water tank, 13, a water inlet, 14 and a water outlet.
Detailed Description
The utility model provides a novel high-efficient vertical flow sedimentation tank and MBBR integration equipment, in order to make the utility model discloses an advantage, technical scheme are clearer and more clear, it is right to combine specific embodiment below the utility model discloses do detailed description.
As shown in figure 1, the vertical flow sedimentation tank of the utility model has the main technical idea that: the mud scraper 1 is assembled on the sedimentation tank, and the settled sludge can better realize mud-water separation under the action of the mud scraper 1, shorten the sedimentation time and improve the sedimentation speed.
The main technical scheme is as follows: the main components of the mud scraper comprise a transmission motor, a paddle rod and a paddle 5, the transmission motor is positioned above the sedimentation tank body, namely, the transmission motor is not positioned in the sedimentation tank body, the transmission motor is preferably controlled by frequency conversion, the design is favorable for adjusting the rotating speed, the top of the paddle rod is connected with the transmission motor, the paddle rod is driven to rotate when the transmission motor is started, the length of the paddle rod extends into the middle lower part of the sedimentation tank body from the top part of the sedimentation tank body, the bottom end of the paddle rod is at a distance from the bottom of the sedimentation tank body, the soft material is arranged in the area at the distance, and the soft material aims to drive the soft material to rotate when the paddle rotates, thereby handle the mud of sedimentation tank body bottom of the pool corner together, if through bolted connection or connection modes such as joint between specific soft material and the paddle, easy to assemble can.
In order to facilitate the treatment of the sludge at the corners of the bottom of the sedimentation tank body, the soft material is preferably in seamless close contact with the bottom of the sedimentation tank body, so that the sedimentation sludge can be treated to the maximum extent.
Above-mentioned soft material, the utility model discloses preferred is rubber, uses it for the utility model discloses the effect is particularly good.
In particular to a high-efficiency vertical flow sedimentation tank, which comprises a sedimentation tank body, a water inlet pipe 2, a guide cylinder 3 and a reflecting plate 4,
the water inlet pipe 2 is positioned on the sedimentation tank body, the guide cylinder is arranged on the periphery of the paddle rod, sewage entering through the water inlet pipe is introduced into the guide cylinder, and the reflecting plate is arranged at the bottom of the guide cylinder; the bottom of the sedimentation tank body is connected with a sludge discharge pipe 6.
On the basis of improving the vertical flow sedimentation tank, the vertical flow sedimentation tank is applied to MBBR integrated equipment, and the specific structure is as follows:
an MBBR integrated device comprises an anoxic tank 7, an MBBR tank 8 and a comprehensive device room 10 which are sequentially arranged, wherein the vertical flow sedimentation tank 9 is arranged between the MBBR tank and the comprehensive device room, a sludge storage tank 11 and a clean water tank 12 are arranged below the vertical flow sedimentation tank, and the sludge storage tank 11 and the clean water tank 12 are arranged side by side; the bottom of the clean water tank is provided with a water outlet 14, and the anoxic tank is provided with a water inlet 13. The water inlet of the anoxic tank is close to the sewage inlet, the water outlet of the anoxic tank is communicated with the water inlet of the MBBR tank, and the water inlet of the vertical sedimentation tank is communicated with the water outlet of the MBBR tank. The vertical sedimentation tank completes mud-water separation, and the sedimentation tank can realize good mud-water separation and is characterized by high sedimentation speed, short sedimentation time and high surface load.
Be equipped with mud reflux unit in the MBBR pond, add in the MBBR pond and have the suspension filler, sewage at first enters into the oxygen deficiency pond, flows into in the MBBR pond through the oxygen deficiency pond, through abundant biochemical reaction back, enters into the sedimentation tank and accomplishes mud-water separation, realizes the processing discharge to reach standard of sewage. The MBBR technology uses the suspended filler as a growth carrier for microorganisms, and realizes the high-efficiency treatment of sewage through the sufficient fluidization of the suspended filler. The process fully draws the advantages of biological contact oxidation and a biological fluidized bed, overcomes the defects of low mass transfer efficiency, poor treatment efficiency, high fluidization power and the like, fully utilizes the advantages of an activated sludge method by applying the basic principle of a biomembrane method, and realizes the operation of the activated sludge mode of the biomembrane process.
Further preferably, the utility model discloses the paddle can adopt stainless steel, anticorrosive carbon steel material etc..
The movable fine grid is arranged on the water inlet of the anoxic tank, so that the subsequent water passing is smooth, and the blockage is avoided. The anoxic tank adopts perforation aeration, so that a motor stirring machine is omitted, the occurrence of fault points is reduced, and the operation is safer and more stable.
The operation method of the MBBR integrated equipment is explained in detail in combination with the MBBR integrated equipment.
The operation method of the MBBR integrated equipment sequentially comprises the following steps:
a. the sewage firstly enters a first tank body of the MBBR integrated equipment, namely an anoxic tank through a lifting device, perforated aeration stirring is arranged in the anoxic tank, and after full biochemical reaction, biochemical reactions such as denitrification and denitrogenation are completed in the anoxic tank;
b. then the sewage enters an MBBR tank through the tail end of an anoxic tank, a suspended carrier biological filler is filled in the MBBR tank, the biological filler can be fully fluidized under the action of micropore aeration, and the biochemical reactions such as decarburization and dephosphorization, nitrification and denitrification and the like are completed in the MBBR tank;
c. then the sewage enters the novel high-efficiency vertical flow sedimentation tank through the tail end of the aerobic tank, and after mud-water separation is completed, purification treatment of the sewage is completed, and standard discharge is realized.
The MBBR integrated equipment of the utility model is provided with a clean water tank and a sludge tank, wherein the clean water tank can store a certain amount of clean water to meet the requirement of subsequent advanced treatment, and the sludge tank can meet the requirement of sludge discharge and storage of the equipment and is transported outside regularly; the utility model discloses MBBR integration equipment room of synthesizing can place sand filtration system, ultraviolet disinfection system in the equipment room, handles out the demand that water can satisfy higher emission standard.
The operation method of the MBBR integrated facility is described in detail below with reference to specific embodiments.
Example 1:
through a lift pump assembled in the sewage collection tank, the flow is 5m3The water enters an anoxic tank of the MBBR integrated equipment through a water inlet 13, wherein the anoxic tank is filled with a suspended carrier biological filler made of pure high-density polyethylene, and the specific parameter specific surface area is 620m2/m3The anaerobic tank is internally provided with a perforated stirring device, the distance between the perforated tank and the settling tank is 20cm, the size of the perforated tank is 6mm, an internal return pipeline and an external return pipeline are arranged in the anaerobic tank, nitrifying liquid and settled sludge of the settling tank are respectively from the MBBR tank, influent sewage can be fully mixed with return sewage in the tank to complete denitrification reaction, the retention time (4-6) h is set, and the dissolved oxygen content (0.2-0.5) mg/L in the tank is controlled to be about.
After the sewage fully reacts in the anoxic tank, the sewage enters the MBBR tank through the tail end of the anoxic tank, and the MBBR tank is filled with a suspended carrier biological filler made of pure high-density polyethylene, and the specific parameter specific surface area is 620m2/m3The pool is internally provided with a micropore aerator and a reflux device, sewage in the pool flows back to the anoxic pool, the reflux device can adopt a submersible sewage pump or an air stripping pump, the decarbonization reaction of the sewage is mainly realized in the pool, and the nitrification denitrification is carried out to remove nitrogenAnd biochemical reaction for removing phosphorus, setting retention time (6-8) h, controlling dissolved oxygen content (2-3) mg/L or so in the tank, and setting an interception system of suspended carrier filler in the tank to avoid loss of the suspended carrier.
After full reaction in the MBBR tank, sewage enters the novel efficient vertical flow sedimentation tank through the tail end of the MBBR tank body, the diameter of a water inlet pipe 2 is DN150, the diameter of a guide cylinder 3 is DN300, and the peripheral diameter of a reflecting plate 4 is DN400, the water inlet pipe 2 is positioned on the sedimentation tank body, the guide cylinder is arranged on the periphery of a paddle rod, the sewage entering through the water inlet pipe is introduced into the guide cylinder, and the reflecting plate is arranged at the bottom of the guide cylinder; the bottom of the sedimentation tank body is connected with a sludge discharge pipe 6 with a pipe diameter DN 100. In order to ensure good mud scraping effect, the paddle is driven to be connected with a variable frequency motor through a paddle rod for control, the rotating speed (0.2-0.5) r/min is normally operated, meanwhile, the bottom of the paddle is made of flexible rubber materials to ensure seamless joint with a bottom plate, the mud scraping effect is ensured, and the surface load of the sedimentation tank is (0.8-1.4) m3/m2And the precipitation time is (1-2) h, so that a good precipitation effect can be obtained.
Sewage flows through the clean water tank after passing through the sedimentation tank, the effluent can meet the discharge standard of first class B of urban sewage treatment discharge, further, the MBBR integrated equipment is arranged in a comprehensive equipment room, a sand filtration system and an ultraviolet disinfection system can be assembled in the equipment room, and the effluent can meet the discharge standard of first class A of urban sewage treatment discharge.
Be equipped with the sludge impoundment in this MBBR integration equipment, possess certain mud storage capacity, can hold the requirement that equipment mud discharged, but regular outward transport after the collection.
The utility model discloses the part that does not describe in can realize by reference prior art.
It is intended that any equivalents, or obvious variations, which may be made by those skilled in the art in light of the teachings herein, be considered within the scope of the present invention.
Claims (4)
1. The utility model provides a vertical flow formula sedimentation tank, its includes sedimentation tank body, inlet tube, draft tube and reflecting plate, its characterized in that: the sludge scraper comprises a transmission motor, a paddle rod and a paddle, wherein the transmission motor is positioned above the sedimentation tank body, the paddle rod extends into the sedimentation tank body from the top of the sedimentation tank body and extends to the middle lower part of the sedimentation tank body, the paddle is arranged at the bottom of the paddle rod, a soft material is connected onto the paddle, and the soft material is seamlessly attached to the bottom of the sedimentation tank body;
the water inlet pipe is positioned on the sedimentation tank body, the guide cylinder is arranged on the periphery of the paddle rod, sewage entering through the water inlet pipe is introduced into the guide cylinder, and the reflecting plate is arranged at the bottom of the guide cylinder;
the bottom of the sedimentation tank body is connected with a sludge discharge pipe.
2. A vertical flow settling tank as claimed in claim 1, wherein: the soft material is rubber.
3. A vertical flow settling tank as claimed in claim 1, wherein: the paddle is made of stainless steel or anticorrosive carbon steel materials.
4. The utility model provides a MBBR integration equipment, its is including the oxygen deficiency pond, the MBBR pond that arrange in proper order and synthesize between the equipment, its characterized in that: a vertical sedimentation tank of any one of claims 1 to 3 is arranged between the MBBR tank and the comprehensive equipment room, a sludge storage tank and a clean water tank are arranged below the vertical sedimentation tank, and the sludge storage tank and the clean water tank are arranged side by side; the bottom of the clean water tank is provided with a water outlet, the anoxic tank is provided with a water inlet, and the anoxic tank is internally provided with a perforated aeration pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921301373.7U CN210583824U (en) | 2019-08-13 | 2019-08-13 | Novel high-efficient vertical flow sedimentation tank and MBBR integration equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393955A (en) * | 2019-08-13 | 2019-11-01 | 青岛思普润水处理股份有限公司 | A kind of new and effective vertical sedimentation tank, MBBR integration apparatus and operation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393955A (en) * | 2019-08-13 | 2019-11-01 | 青岛思普润水处理股份有限公司 | A kind of new and effective vertical sedimentation tank, MBBR integration apparatus and operation method |
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