CN215102272U - Denitrification denitrification unit treatment device - Google Patents
Denitrification denitrification unit treatment device Download PDFInfo
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- CN215102272U CN215102272U CN202121402052.3U CN202121402052U CN215102272U CN 215102272 U CN215102272 U CN 215102272U CN 202121402052 U CN202121402052 U CN 202121402052U CN 215102272 U CN215102272 U CN 215102272U
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Abstract
The utility model provides a denitrification unit treatment device, which comprises a tank body, at least one filler combination unit, a water inlet pipe and a water outlet pipe, wherein the filler combination unit is positioned in the tank body; the filler modular unit includes modular unit frame, packs and perforated pipe, place in the modular unit frame pack, the modular unit frame includes stand, top frame and underframe, stand, top frame and underframe are the hollow tube and link up each other, the perforated pipe is located in the underframe of modular unit frame set up a plurality of hole on the perforated pipe, the modular unit frame with link up between perforated pipe, inlet tube and the outlet pipe. The utility model provides a pair of denitrification unit processing apparatus blows off system and row's mud system combination with filler, aeration in a unit, has formed independent miniature denitrification combined unit, can carry out the modular processing, carries out independent hoist and mount and maintains, easily control system operation, and the operation is maintained simply conveniently.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically, relates to a denitrification unit processing apparatus.
Background
The total nitrogen and ammonia nitrogen are important indexes of sewage treatment, the ammonia nitrogen can be converted into nitrate nitrogen and nitrite nitrogen through nitrification under an aerobic condition and still exist in a water body, and the nitrate nitrogen and the nitrite nitrogen are converted into nitrogen through denitrification under an anoxic condition and are discharged from the water body, so that the denitrification effect is achieved. In general, nitrate nitrogen removal is a major and difficult point of total nitrogen treatment.
The existing sewage treatment denitrification is usually carried out in a denitrification tank, in order to improve the reaction efficiency, a fixed filler is arranged in the tank for microorganism attachment and enrichment, and perforated pipes are sometimes arranged below the filler and at the bottom of the tank for sludge discharge. In the processes of microbial metabolism, generation replacement and the like, the thickened and fallen biological membrane easily blocks the filler gap, the sludge discharge pipe does not operate for most of time, is only in a suction state regularly and in a short time, and is easily blocked by the deposited sludge at the bottom of the tank and the fallen biological membrane. Meanwhile, for wastewater with higher concentration, the sludge concentration in the denitrification tank is high, an excessively aged biological membrane is difficult to timely fall off after covering on a new biological membrane, or the excessively aged biological membrane is mixed in a filler gap to block the filler, so that the life activity of the new generation microorganism is influenced, the effective contact of the sewage and the microorganism is hindered, but the biological membrane is possibly excessively peeled off due to the fact that the filler is loosened and dredged by impact of strong water flow. When the denitrification tank is maintained and repaired and the filler or the sludge discharge pipe is replaced, the water is cut off and the operation is stopped, and the water tank is pumped out and then is manually fed into the tank to work, so that the operation and maintenance cost and the operation and maintenance difficulty are increased.
Therefore, a new denitrification treatment apparatus is required to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a denitrification unit treatment device.
The utility model provides a denitrification unit treatment device, which comprises a tank body, at least one filler combination unit, a water inlet pipe and a water outlet pipe, wherein the filler combination unit is positioned in the tank body; the filler modular unit includes modular unit frame, packs and perforated pipe, place in the modular unit frame pack, the modular unit frame includes stand, top frame and underframe, stand, top frame and underframe are the hollow tube and link up each other, the perforated pipe is located in the underframe of modular unit frame set up a plurality of hole on the perforated pipe, the modular unit frame with link up between perforated pipe, inlet tube and the outlet pipe.
Optionally, an aeration stripping system is further included; the aeration stripping system comprises a fan and an air inlet main pipe, wherein the air inlet main pipe is connected with the fan and the combined unit frame, the fan is communicated to the perforated pipe through the air inlet main pipe and the combined unit frame in sequence to carry out aeration stripping on the filler, and the aeration stripping system is used for disturbing the water body in the tank body and stripping and aging the biological film on the filler.
Optionally, a suction sludge discharge system is further included; the suction sludge discharge system comprises a sludge discharge pump and a sludge discharge main pipe, wherein the sludge discharge main pipe is connected with the sludge discharge pump and the combined unit frame, and the sludge discharge pump sequentially passes through the sludge discharge main pipe and the combined unit frame to be communicated to the perforated pipe for suction sludge discharge and is used for discharging sludge at the bottom of the pool.
Optionally, an air inlet main pipe valve is arranged on the air inlet main pipe.
Optionally, a sludge discharge main pipe valve is arranged on the sludge discharge main pipe.
Optionally, an air pipe reserved interface connected with the air inlet main pipe is arranged on the combined unit frame.
Optionally, a mud pipe reserved interface connected with the mud discharging main pipe is arranged on the combined unit frame.
Optionally, lifting lugs are arranged on two sides of the top frame of the combined unit frame and used for lifting the filler combined unit to be used as an independent filler combined unit processing module to be lifted out of the pool body.
Optionally, the combined unit frame further comprises a middle frame between the top frame and the bottom frame.
Optionally, the filler is a rope-type biological filler, and is formed by blending and weaving an elastic PE material serving as a framework and a fluffy PP material.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a denitrification unit treatment device, which can effectively prevent filler blockage, promote the update of biomembranes, fully contact with sewage and improve the denitrification reaction efficiency; the filler, the aeration stripping system and the sludge discharge system are combined in one unit to form an independent micro denitrification combined unit, modular treatment can be performed, independent hoisting maintenance is performed, the operation of the system is easy to control, and the operation and maintenance are simple and convenient.
2. The utility model provides a pair of denitrification unit processing apparatus sets up the perforated pipe at the underframe of filler composite unit, ventilates and is used for blowing off the filler, and the disturbance water impels the ageing biomembrane of top layer that adheres to on the filler not hard up to drop, and the mud such as the biomembrane that is mingled with in the filler clearance simultaneously also can drop, and the composite unit blow off intensity and blow off the time and can adjust easily control according to the site conditions of ventilating.
3. The utility model provides a pair of denitrification unit processing apparatus sets up the perforated pipe that packs the built-up unit underframe and is used for ventilating and blow off except connecting the fan, still feeds through the long-pending mud of water pump suction discharge bottom of the pool simultaneously to prevent that bottom of the pool silt from piling up, the perforated pipe has aeration and suction effect concurrently, and the perforated pipe drill way is difficult for blockking up.
4. The utility model provides a pair of denitrification unit processing apparatus, the rope type biofilm carrier density of adoption is close 1, adopt elastic structure skeleton and the fluffy material of brand-new PP, good hydrophilicity and bigger specific surface area have, it changes in biofilm culturing to stretch out naturally in aqueous, the biofilm amount is big, the support is good, non-deformable is applicable to high concentration ammonia nitrogen and total nitrogen waste water, the annular structure that the filler has forms the buffer protection mechanism to the biomembrane, avoid excessively peeling off because the air purge strikes the biomembrane that leads to with the washing.
5. The utility model provides a pair of denitrification unit processing apparatus, the combined unit frame comprises the hollow tube, and the intercommunication can regard as a miniature pipe network system each other, ventilates and is responsible for and arrange the mud and be responsible for and only need to connect the interface is reserved to the top frame of combined unit frame can with perforation pipe intercommunication, whole combined unit simple structure, the appearance is pleasing to the eye, the installation of being convenient for is maintained.
6. The utility model provides a pair of denitrification unit processing apparatus, pack the combination unit and can also design overall dimension and inner structure according to the on-the-spot condition, the expression is nimble various, strong adaptability.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a denitrification unit treatment device provided by the present invention;
fig. 2 is a schematic structural diagram of a combined unit frame provided by the present invention;
FIG. 3 is a schematic view of the installation of the packing in the combined unit frame provided by the present invention;
fig. 4 is a schematic layout view of perforated pipes in the bottom frame of the combined unit frame according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
The utility model provides a denitrification unit treatment device, including cell body 1, biofilm carrier combination unit 2, inlet tube 5 and outlet pipe 6. The filler modular unit 2 includes modular unit frame 201, filler 206 and perforated pipe 203, places filler 206 in the modular unit frame 201, and modular unit frame 201 includes stand, top frame, center and underframe, and the appearance can be cuboid or square, stand, top frame, center and underframe are the hollow tube (can be stainless steel hollow circular tube or square pipe), and link up each other, and perforated pipe 203 is located modular unit frame 201's underframe, sets up a plurality of hole on perforated pipe 203, link up between modular unit frame 201 and perforated pipe 203, inlet tube 5 and outlet pipe 6.
The utility model provides a denitrification unit treatment device, which also comprises an aeration stripping system; the aeration air stripping system comprises a fan 3 and an air inlet main pipe 301, the air inlet main pipe 301 is connected with the fan 3 and a combined unit frame 201, the fan 3 is communicated to a perforated pipe 203 through the air inlet main pipe 301 and the combined unit frame 201 in sequence to carry out aeration air stripping on the filler 206, and the aeration air stripping system is used for disturbing the water body in the tank body 1 and stripping the biological membrane on the aged filler 206.
The utility model provides a denitrification unit treatment device, which also comprises a suction sludge discharge system; the suction sludge discharge system comprises a sludge discharge pump 4 and a sludge discharge main pipe 401, the sludge discharge main pipe 401 is connected with the sludge discharge pump 4 and the combined unit frame 201, and the sludge discharge pump 4 is communicated to the perforated pipe 203 for suction sludge discharge through the sludge discharge main pipe 401 and the combined unit frame 201 in sequence for discharging sludge at the bottom of the pond.
An air inlet main pipe valve 302 is arranged on the air inlet main pipe 301; a sludge discharge main pipe valve 402 is arranged on the sludge discharge main pipe 401. An air pipe reserved interface 204 connected with the air inlet main pipe 301 is arranged on the combined unit frame 201; a mud pipe reserved interface 205 connected with the mud discharging main pipe 401 is arranged on the combined unit frame 201. The air inlet main pipe 301 and the sludge discharge main pipe 401 are communicated with the combined unit frame 201 through an air inlet main pipe valve 302, an air pipe reserved interface 204, a sludge discharge main pipe valve 402 and a sludge pipe reserved interface 205 respectively for aeration stripping and sludge discharge, the aeration stripping and sludge discharge time is controlled by using the valves, and the aeration stripping and the sludge discharge are not carried out simultaneously.
A plurality of biological filler combination units 2 are arranged in a tank body 1 and are arranged in groups, wherein the distance between each group of biological filler combination units 2 is 300mm, for example, and the distance between each group of biological filler combination units 2 and the inner wall of the tank body 1 is 150mm, for example. The water inlet pipe 5 is connected to a position which is 0.3m above the bottom of the tank body 1, for example, 0.5m below the top of the tank body 1 is a water surface, the water outlet pipe 6 is connected to the position, for example, 0.5m below the top of the tank body 1, of the tank body, the fan 3 is communicated to the perforated pipe 203 for aeration and air stripping through the air inlet main pipe 301, the air pipe valve 302, the combined unit mud pipe reserved connector 204 and the combined unit frame 201 in sequence, and the sludge pump 4 is communicated to the perforated pipe 203 for pumping and discharging sludge through the sludge main pipe 401, the sludge pipe valve 402, the combined unit mud pipe reserved connector 205 and the combined unit frame 201 in sequence. The combined unit 2 can be separated from the air inlet main pipe 301 and the sludge discharge main pipe 401 through an air pipe reserved interface 204 and a sludge pipe reserved interface 205.
The utility model provides a pair of denitrification unit processing apparatus, blow off system and row's mud system combination with filler, aeration in a unit, formed independent miniature denitrification combined unit. The concentration of the sludge is improved by attaching the enriched microorganisms by adopting the biological affinity type filler; the loose filler is blown off through aeration, the disturbed water flow promotes the falling and updating of the biological membrane, the effective contact area is ensured, the denitrification rate is improved, the unique rope-type biological filler has the buffer protection effect on the impact of water flow and air flow, and the biological membrane is prevented from excessively falling. The sludge at the bottom of the tank is discharged through the perforated pipe, and the perforated pipe is used as the aeration stripping pipe and the suction sludge discharge pipe because the aeration stripping and the sludge discharge are not carried out simultaneously, so that the blockage condition of the orifice of the perforated pipe can be effectively avoided. The combined unit frame is communicated with the perforated pipe, the water inlet pipe and the water outlet pipe, so that the sludge discharge pipe and the vent pipe are integrated in the unit frame, a pipeline is not required to be additionally arranged to be inserted into the pool bottom for connection, the material is saved, the appearance is simple and attractive, and the field installation and management are facilitated. A plurality of combined units are arranged in the denitrification tank in parallel, each combined unit is self-systemized and does not interfere with each other, hoisting maintenance, filler replacement, perforated pipes and the like can be carried out under the condition that the system is not stopped, the modularized treatment effect is achieved, and the operation maintenance mode of the traditional denitrification tank is simplified and improved.
The utility model discloses a filler be rope type biofilm carrier, adopt the biological rope filler of modified carrier more preferably, adopt elasticity PE material to be the skeleton, fluffy PP material is woven mixedly and is formed, the interval is 100mm for example, fixed mode adopts PP, the PE ribbon is directly binded on the combination unit frame, the rope type biofilm carrier who adopts carries out hydrophilicity and biological affinity and electrified nature modification to synthetic fibre on the basis is woven to the braid formula, and add the material that has the promotion effect to microorganism metabolism activity, improve biomembrane biofilm carrier speed, biofilm carrier volume and stability. Secondly, the rope-type biological filler is formed by using an elastic PE material as a framework and mixing and weaving a fluffy PP material, and the routing is in a serpentine braid-over-braid weaving mode to form countless annular fibers to form a radial structure, so that the surface area of the rope-type biological filler is increased, the effective contact between solid and liquid can be promoted, and the rope-type biological filler is suitable for the growth and the propagation of microorganisms; the elastic material and the soft material form a circumferential annular radiation structure, so that the porosity of the filler is increased, and a biological film growth space is reserved; the unique annular structure can effectively avoid the excessive stripping of the biological membrane caused by the impact of air flow or water flow; thirdly, the rope-type biological filler adopts a high-strength polypropylene fiber mixed weaving process, a single rope-type biological filler can bear the tensile force of 80kg, wires are firm, the filler after film hanging can completely bear the dead weight even if the filler is hung on the shore without depending on the buoyancy of a water body, and the situation of filler fracture cannot occur.
The utility model discloses a biofilm carrier assembled unit 2 be denitrification nitrogen removal device's core component, and 2 group's of a plurality of this assembled unit are arranged and are placed in the pond, and complete submergence is in waste water, and 2 inside dress rope type biofilm carriers that fill of this assembled unit, waste water from the bottom and the rope type biofilm carrier of flowing through carry out the denitrification nitrogen removal reaction, assembled unit frame 201 underframe installation perforated pipe 203, with assembled unit frame 201's pipeline intercommunication, and then connect fan 3 and sludge discharge pump 4 outside the pond for blow off ageing biomembrane and get rid of the bottom of the pool silt, this assembled unit 2 reserves interface 204 and mud pipe through the trachea on the disconnection assembled unit frame 201 and reserves interface 205 and can follow the denitrification nitrogen removal device and independently come out.
The utility model provides a pair of denitrification unit processing apparatus's working process as follows:
a plurality of biological filler combined units 2 are placed in a pool body 1 to operate as a group, the biological filler combined units 2 are completely submerged in wastewater in the pool body 1, the wastewater firstly enters the bottom of the pool body 1 through a water inlet pipe 5 and flows through the biological filler combined units 2 from bottom to top, metabolic life activities are carried out by microorganisms attached to biological fillers 206 under the anoxic condition, nitrate nitrogen and nitrite nitrogen are converted into nitrogen to be discharged out of a system, and the wastewater is subjected to denitrification treatment and then is discharged through a water outlet pipe 6 to enter subsequent unit treatment. After the operation for a period of time, when the biological film on the biological filler 206 thickens and falls off and is mixed with the biological film in the filler gap, the air pipe valve 302 is opened, the fan 3 is started, the perforated pipe 203 is communicated for short-time aeration and air-stripping, the aged biological film is loosened and the water body is disturbed to make the biological film fall off, the biological film and the sludge in the filler gap fall to the bottom of the pool together to prevent the filler from being blocked, promote the regeneration of the biological film and improve the reaction efficiency, after the operation for 5-10 minutes, the aeration and air-stripping are finished, and the fan 3 and the air pipe valve 302 are closed. Similarly, the accumulated aged and dead biological membrane mud at the bottom of the pond also needs to be treated regularly, a mud pipe valve 402 is opened, a mud pump 4 is started, the perforated pipe 203 is communicated for pumping and discharging mud, the mud discharging is finished after the operation is carried out for 10 minutes, the mud pump 4 and the mud pipe valve 402 are closed, and the perforated pipe 203 has the functions of pumping and discharging mud and aerating and blowing off, so that the orifice of the perforated pipe 203 is not easy to block, the mud pump 4 can be closed according to the field condition, and the regular ventilation and water passing are used for backwashing or hoisting, maintaining and replacing are carried out.
The utility model provides a denitrification unit treatment device, which can effectively prevent filler blockage, promote the update of biomembranes, fully contact with sewage and improve the denitrification reaction efficiency; the filler, the aeration stripping system and the sludge discharge system are combined in one unit to form an independent micro denitrification combined unit, modular treatment can be performed, independent hoisting maintenance is performed, the operation of the system is easy to control, and the operation and maintenance are simple and convenient.
The utility model provides a pair of denitrification unit processing apparatus sets up the perforated pipe at the underframe of filler composite unit, ventilates and is used for blowing off the filler, and the disturbance water impels the ageing biomembrane of top layer that adheres to on the filler not hard up to drop, and the mud such as the biomembrane that is mingled with in the filler clearance simultaneously also can drop, and the composite unit blow off intensity and blow off the time and can adjust easily control according to the site conditions of ventilating.
The utility model provides a pair of denitrification unit processing apparatus sets up the perforated pipe that packs the built-up unit underframe and is used for ventilating and blow off except connecting the fan, still feeds through the long-pending mud of water pump suction discharge bottom of the pool simultaneously to prevent that bottom of the pool silt from piling up, the perforated pipe has aeration and suction effect concurrently, and the perforated pipe drill way is difficult for blockking up.
The utility model provides a pair of denitrification unit processing apparatus, the rope type biofilm carrier density of adoption is close 1, adopt elastic structure skeleton and the fluffy material of brand-new PP, good hydrophilicity and bigger specific surface area have, it changes in biofilm culturing to stretch out naturally in aqueous, the biofilm amount is big, the support is good, non-deformable is applicable to high concentration ammonia nitrogen and total nitrogen waste water, the annular structure that the filler has forms the buffer protection mechanism to the biomembrane, avoid excessively peeling off because the air purge strikes the biomembrane that leads to with the washing.
The utility model provides a pair of denitrification unit processing apparatus, the combined unit frame comprises the hollow tube, and the intercommunication can regard as a miniature pipe network system each other, ventilates and is responsible for and arrange the mud and be responsible for and only need to connect the interface is reserved to the top frame of combined unit frame can with perforation pipe intercommunication, whole combined unit simple structure, the appearance is pleasing to the eye, the installation of being convenient for is maintained.
The utility model provides a pair of denitrification unit processing apparatus, pack the combination unit and can also design overall dimension and inner structure according to the on-the-spot condition, the expression is nimble various, strong adaptability.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A denitrification unit treatment device is characterized by comprising a tank body, at least one filler combination unit, a water inlet pipe and a water outlet pipe, wherein the filler combination unit, the water inlet pipe and the water outlet pipe are positioned in the tank body; the filler modular unit includes modular unit frame, packs and perforated pipe, place in the modular unit frame pack, the modular unit frame includes stand, top frame and underframe, stand, top frame and underframe are the hollow tube and link up each other, the perforated pipe is located in the underframe of modular unit frame set up a plurality of hole on the perforated pipe, the modular unit frame with link up between perforated pipe, inlet tube and the outlet pipe.
2. The denitrification unit treatment device according to claim 1, further comprising an aeration stripping system; the aeration stripping system comprises a fan and an air inlet main pipe, wherein the air inlet main pipe is connected with the fan and the combined unit frame, the fan is communicated to the perforated pipe through the air inlet main pipe and the combined unit frame in sequence to carry out aeration stripping on the filler, and the aeration stripping system is used for disturbing the water body in the tank body and stripping and aging the biological film on the filler.
3. The denitrification unit treatment apparatus according to claim 1, further comprising a suction sludge discharge system; the suction sludge discharge system comprises a sludge discharge pump and a sludge discharge main pipe, wherein the sludge discharge main pipe is connected with the sludge discharge pump and the combined unit frame, and the sludge discharge pump sequentially passes through the sludge discharge main pipe and the combined unit frame to be communicated to the perforated pipe for suction sludge discharge and is used for discharging sludge at the bottom of the pool.
4. The denitrification unit treatment device according to claim 2, wherein the main inlet pipe is provided with a main inlet pipe valve.
5. The denitrification unit treatment apparatus according to claim 3, wherein a sludge main valve is provided on the sludge main.
6. The denitrification unit treatment device according to claim 2, wherein a gas pipe reserved port connected with the main gas inlet pipe is arranged on the combined unit frame.
7. The denitrification unit treatment device according to claim 3, wherein a sludge pipe reserved port connected with the sludge discharge main pipe is arranged on the combined unit frame.
8. The denitrification unit treatment device according to claim 1, wherein lifting lugs are arranged on two sides of a top frame of the combined unit frame and used for lifting the filler combined unit to be lifted out of the tank body as an independent filler combined unit treatment module.
9. The apparatus of claim 1, wherein the combined unit frame further comprises a middle frame between the top frame and the bottom frame.
10. The denitrification unit treatment device according to claim 1, wherein the filler is rope-type biological filler, and is formed by interweaving an elastic PE material as a framework and a fluffy PP material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121402052.3U CN215102272U (en) | 2021-06-23 | 2021-06-23 | Denitrification denitrification unit treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121402052.3U CN215102272U (en) | 2021-06-23 | 2021-06-23 | Denitrification denitrification unit treatment device |
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| CN215102272U true CN215102272U (en) | 2021-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844999A (en) * | 2019-12-12 | 2020-02-28 | 大庆市海油庆石油科技有限公司 | Oil field oily sewage biological treatment device |
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2021
- 2021-06-23 CN CN202121402052.3U patent/CN215102272U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110844999A (en) * | 2019-12-12 | 2020-02-28 | 大庆市海油庆石油科技有限公司 | Oil field oily sewage biological treatment device |
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