CN207498125U - A kind of biological contact oxidation pond the desulfurization process suitable for denitrogenation of waste water - Google Patents

Abstract

The utility model discloses the biological contact oxidation ponds a kind of desulfurization process suitable for denitrogenation of waste water, including pond body, outlet pipe and water inlet pipe are communicated on pond body peripheral wall, is equipped with biological membranous layer in pond body, outlet pipe is above water inlet pipe and biological membranous layer is between outlet pipe and water inlet pipe；Air inlet pipe is equipped on pond body peripheral wall, air inlet pipe stretches into one end in pond body and is located at below biological membranous layer, pool bottom is equipped with cleaning assemblies, pool bottom is communicated with sludge out pipe, the nozzle of sludge out pipe is set close to pond body one side wall, sludge out pipe is communicated with sludge concentration tank far from pond body one end, and solenoid valve and shell pump are equipped on sludge out pipe.Cleaning assemblies can clear up the sundries of pool bottom to the nozzle of sludge out pipe, so as to reduce the accumulation of pool bottom sundries, reduce the probability that each component of pool bottom is blocked.

Description

A kind of biological contact oxidation pond the desulfurization process suitable for denitrogenation of waste water

Technical field

The utility model is related to technical field of waste water processing, and in particular to a kind of desulfurization process suitable for denitrogenation of waste water Biological contact oxidation pond.

Background technology

At present, in many industries of industrial and agricultural production such as petroleum chemical industry, paper industry, leather industry, pharmaceutical industry Deng in the waste water discharged generally containing biodegradable organic matter, ammonia nitrogen and sulfate etc. is largely difficult to, these are useless Water is respectively provided with the characteristics of strong toxicity, concentration are high and biodegradability is poor, is the difficult point and emphasis in Industrial Wastewater Treatment.Numerous high In the treatment process of nitrogen high-sulfur waste water, biological treatment is one kind of more science environmental protection.

Such as the Chinese patent that Authorization Notice No. is CN205035225U, a kind of ammonia nitrogen in high density is disclosed in the patent application The processing system of organic wastewater, include successively connected feed hopper, homogenate pond, methane-generating pit, upflow anaerobic sludge blanket reactor, Biological contact oxidation pond, secondary settling tank, micro-electrolysis reactor, annular biological aerated filter and ozonization pond.Ammonia nitrogen in high density has Machine waste water is entered by feed hopper in homogenate pond, squeezes into methane-generating pit and upflow anaerobic sludge after allotment uniformly under stirring It ferments in bed reactor, ammonia nitrogen in high density organic wastewater is in methane-generating pit and upflow anaerobic sludge blanket reactor and anaerobism Microorganism comes into full contact with, and is conducive to the decomposition of organic matter；Ammonia nitrogen in high density organic wastewater subsequently enters micro-electrolysis reactor, occurs Soluble substance is converted to indissoluble or slightly soluble substance, and is precipitated, removed and incited somebody to action by flocculation by redox reaction Macromolecular substances are decomposed into small-molecule substance；Then ammonia nitrogen in high density organic wastewater enters biological contact oxidation pond, completes organic The removing of object, denitrifying denitrogenation, excess ingestion go the functions such as dephosphorization；Annular biological aerated filter (CBAF) is entered back into later, Annular biological aerated filter (CBAF) integrates aeration, fast filtering, suspended matter retention, two exposures, two heavy, periodically recoil, is one Plant the circulation denitrogenation dephosphorizing reactor of typical high load capacity, submerged, immobilization biological bed；The waste water completed after above-mentioned reaction is excellent In discharge standard, it can be achieved that Treated sewage reusing.

Biological contact oxidation pond in above-mentioned technique generally requires to arrange biomembrane in pond, and biomembrane generally require through The replacements process such as biofilm is gone through, grows, thicken, coming off.Become activated sludge after a part of biofilm detachment, circulate process In, the organic matter in absorption and Decomposition Wastewater, some sundries in extra come off biomembrane and waste water are by deposition in biology The bottom of contact-oxidation pool will easily result in blockage to all parts in biological contact oxidation pond in the course of time.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind to be suitable for denitrogenation of waste water sulphur removal Biological contact oxidation pond in technique, the running of the cleaning device of the bottom of pond by being mounted on biological contact oxidation pond, to biology The bottom of pond of contact-oxidation pool is cleaned, and reduces the accumulation of bottom of pond sundries, reduces the probability that each component of bottom of pond is blocked.

To achieve the above object, the utility model provides following technical solution：One kind is suitable for denitrogenation of waste water sulphur removal work Biological contact oxidation pond in skill including pond body, is communicated with outlet pipe and water inlet pipe, biomembrane is equipped in pond body on pond body peripheral wall Layer, outlet pipe is above water inlet pipe and biological membranous layer is between outlet pipe and water inlet pipe；Be equipped on the pond body peripheral wall into Tracheae, air inlet pipe one end is stretched into inside pond body and air inlet pipe puts in one end in pond body and is located at below biological membranous layer, and air inlet pipe is another End is located at outside pond body and is connected with air pump；Sludge out pipe is equipped with below biological membranous layer and sludge out pipe extended spot pond body one end is connected with dirt Mud thickener is equipped with solenoid valve and shell pump on sludge out pipe；Pool bottom is equipped with to clear up the sundries of pool bottom To the cleaning assemblies of the nozzle of sludge out pipe, cleaning assemblies includes cleaning motor, the shaft coupling and shaft coupling that are connected with cleaning motor Connected threaded rod, gap is arranged with connector sleeve on threaded rod, and gag lever post is equipped on connector sleeve internal perisporium and gag lever post is embedded in In the thread groove of threaded rod；Limited block is fixed on the periphery wall of connector sleeve, pool bottom is provided with limiting slot and limited block slides In limiting slot；Connecting rod is fixed on connector sleeve periphery wall, is equipped with to clean pool bottom in connecting rod Cleaning brush.

By using above-mentioned technical proposal, sewage will enter from water inlet pipe inside pond body, while air inlet pipe will be in pond body Portion carries out Air Exposure, and sewage flows upward through the purification of biological membranous layer, then is discharged by outlet pipe, and cleaning assemblies is used for Pool bottom is cleaned, and sundries is pushed near the nozzle of sludge out pipe.So as to reduce the accumulation of pool bottom sundries, drop The probability that low each component of pool bottom is blocked.

The utility model is further arranged to：The threaded rod is bidirectional helical bar, and gag lever post can be relative to connection Set is circumferentially rotated around limiting rod axis.

By using above-mentioned technical proposal so that cleaning motor only needs one-directional rotation, reduces the choosing of cleaning motor Use threshold.

The utility model is further arranged to：Cleaning cylinder is arranged in the connecting rod and cleaning cylinder can be relative to connection Bar circumferentially rotates, and cleaning brush is mounted on cleaning cylinder；First limiting cross bar is installed, when cleaning brush direction goes out in connecting rod Mud pipe nozzle movement when, first limiting cross bar for limit clean cylinder rotates forward, so as to make cleaning brush always with pond body Bottom contacts.

By using above-mentioned technical proposal, cleaning brush can be rotated relative to connecting rod, and the first limiting cross bar can limit Cleaning brush rotates forward, so as to cleaning brush towards sludge out pipe nozzle movement when, cleaning brush can always with pond body bottom Portion contacts and has cleaning function；When nozzle movement of the cleaning brush away from sludge out pipe, due to cleaning brush and pool bottom Have frictional force, then cleaning brush will rotate backward certain angle around connecting rod axis, without cleaning pool bottom effect, So as in cleaning brush return stroke, reduce the amount for the sundries taken home by cleaning brush.

The utility model is further arranged to：Second limiting cross bar is installed, when cleaning brush is carried on the back in the connecting rod When nozzle from sludge out pipe moves, the second limiting cross bar is used to make the angle that rotates backward of cleaning cylinder to be less than or equal to 90 degree.

By using above-mentioned technical proposal so that cleaning brush and channel washer are unlikely to rotate backward too big angle, Because when cleaning brush and channel washer rotate too wide-angle around connecting rod axis, cleaning brush and channel washer may move To on the upside of the first limiting cross bar, cleaning brush will be disengaged from the contact with pool bottom at this time, and lose cleaning action.

The utility model is further arranged to：Mounting base is fixed on the periphery wall of the cleaning cylinder, spiral shell in mounting base It tethers and is connected to channel washer, cleaning brush is mounted on channel washer.

By using above-mentioned technical proposal, cleaning brush is enable to be removed from connecting rod, convenient for the later stage to cleaning brush Cleaning and replacement.

The utility model is further arranged to：Rod for stiring materials on the pond body peripheral wall on the downside of the biological membranous layer is installed and is dialled Expect the direction of motion of the axis direction perpendicular to cleaning brush of bar, rod for stiring materials is located at pond body close to sludge out pipe nozzle side.

By using above-mentioned technical proposal, when cleaning brush moves across rod for stiring materials, rod for stiring materials can stir cleaning brush, Part sundries is made to be trembled down from cleaning brush, so as to the cleaning conducive to sundries.

The utility model is further arranged to：One end that the air inlet pipe is located in pond body is communicated with gas-distributing pipe, divides gas Several gas vents are provided on the peripheral wall of pipe along its length.

By using above-mentioned technical proposal, the aeration range of increase air inlet pipe in the horizontal direction improves oxygen and biology The contact area of film layer improves the reaction efficiency of biological membranous layer and sewage.

The utility model is further arranged to：The sludge out pipe connection is in the bottom of pond of pond body.

It is as much as possible that sundries is made to enter in sludge out pipe by using above-mentioned technical proposal.

The utility model has the following advantages：

1st, cleaning assemblies can clear up the sundries of pool bottom to the nozzle of sludge out pipe, miscellaneous so as to reduce pool bottom The accumulation of object reduces the probability that each component of pool bottom is blocked；

2nd, when the nozzle of cleaning brush towards sludge out pipe moves, cleaning brush contacts with pool bottom and has cleaning always Function, when nozzle movement of the cleaning brush away from sludge out pipe, cleaning brush will rotate backward certain angle around connecting rod axis, Without the effect of cleaning pool bottom, so as in cleaning brush return stroke, reduce taken home by cleaning brush it is miscellaneous The amount of object.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is location diagram of the cleaning assemblies in pool bottom；

Fig. 3 is cleaning assemblies exploded perspective view；

Fig. 4 is another visual angle schematic diagram of cleaning assemblies, shows the first limiting cross bar and the second limiting cross bar position；

Fig. 5 is the enlarged diagram at A in Fig. 3, shows gag lever post position；

Fig. 6 be Fig. 3 in B locate enlarged diagram, show cleaning cylinder, mounting base, channel washer, cleaning brush position pass System；

Fig. 7 is the structure diagram of air inlet pipe and gas-distributing pipe.

Reference numeral：1st, pond body；11st, outlet pipe；12nd, biological membranous layer；13rd, air inlet pipe；131st, air pump；132nd, gas-distributing pipe； 133rd, gas vent；14th, water inlet pipe；15th, sludge out pipe；16th, solenoid valve；17th, shell pump；18th, sludge concentration tank；19th, rod for stiring materials；2、 Cleaning assemblies；21st, motor is cleaned；22nd, shaft coupling；23rd, threaded rod；3rd, connector sleeve；31st, limited block；32nd, gag lever post；33rd, it connects Bar；331st, the first limiting strut；332nd, the first limiting cross bar；333rd, the second limiting strut；334th, the second limiting cross bar；34th, it limits Position slot；4th, cylinder is cleaned；41st, mounting base；42nd, channel washer；43rd, cleaning brush；44th, bolt.

Specific embodiment

The utility model is described further with reference to attached drawing.

Biological contact oxidation pond a kind of desulfurization process suitable for denitrogenation of waste water, with reference to figure 1, including pond body 1, pond body 1 Outlet pipe 11 and water inlet pipe 14 are communicated on peripheral wall, biological membranous layer 12 is provided in pond body 1, outlet pipe 11 is on water inlet pipe 14 Side, and biological membranous layer 12 is between outlet pipe 11 and water inlet pipe 14.Air inlet pipe 13, air inlet pipe 13 are equipped on 1 peripheral wall of pond body On air pump 131 is installed, air inlet pipe 13 stretches into one end in pond body 1 and is located at 12 lower section of biological membranous layer.1 bottom of pond body is equipped with cleaning Component 2,1 bottom of pond body are communicated with sludge out pipe 15, and the nozzle of sludge out pipe 15 is close to certain one side wall setting of pond body 1, and sludge out pipe 15 is far Sludge concentration tank 18 is communicated with from 1 one end of pond body, solenoid valve 16 and shell pump 17 are installed on sludge out pipe 15.

With reference to figure 7, air inlet pipe 13 stretches into one end in pond body 1 and is communicated with two gas-distributing pipes 132 in crosswise, gas-distributing pipe Several gas vents 133 are provided on 132 peripheral wall along its length.

With reference to figure 2, cleaning assemblies 2 includes cleaning motor 21, the shaft coupling 22 being connected with cleaning motor 21 and shaft coupling 22 Connected threaded rod 23, cleans motor 21 and shaft coupling 22 is located at outside pond body 1, and threaded rod 23 is pierced into pond body 1.Threaded rod 23 For bidirectional helical bar 23, gap is arranged with connector sleeve 3 on threaded rod 23, and gag lever post 32 is equipped on 3 internal perisporium of connector sleeve（With reference to Fig. 5）, and gag lever post 32, in the thread groove of threaded rod 23, gag lever post 32 can be relative to connector sleeve 3 around 32 axis of gag lever post week To rotation.Limited block 31 is fixed on the periphery wall of connector sleeve 3（With reference to figure 5）, 1 bottom of pond body threadingly open by 23 axis direction of bar There is limiting slot 34 and limited block 31 is slided in limiting slot 34.A connecting rod 33 is fixed on 3 periphery wall of connector sleeve, is connected The axis direction of bar 33 is perpendicular to the axis direction of threaded rod 23.

With reference to figure 6, gap is arranged with cleaning cylinder 4 on 33 periphery wall of connecting rod（With reference to figure 4）, clean solid on 4 periphery wall of cylinder Surely there is mounting base 41, channel washer 42 is embedded in mounting base 41 and is fixed by bolt 44, the axis direction of channel washer 42 is parallel In the axis direction of cleaning cylinder 4, channel washer 42 is equipped with cleaning brush 43 on the side wall far from 4 side of cleaning cylinder.

With reference to figure 4, one first limiting strut 331, two first limitings are respectively and fixedly provided on the peripheral wall at 33 both ends of connecting rod One first limiting cross bar 332 is connected between strut 331.When nozzle movement of the cleaning brush 43 towards sludge out pipe 15, peace Dress seat 41 can be connected on the first limiting cross bar 332, and the first limiting cross bar 332 rotates forward for limiting cleaning cylinder 4, at this time clearly Clean bristle 43 contacts always with 1 bottom of pond body.One second limiting strut 333 is respectively and fixedly provided on the peripheral wall at 33 both ends of connecting rod, One second limiting cross bar 334 is connected between two second limiting struts 333, the axis horizontal of the second limiting strut 333 is set It puts.When nozzle movement of the cleaning brush 43 away from sludge out pipe 15, since 1 bottom of pond body is to the frictional force of cleaning brush 43, clearly Clean cylinder 4 will be rotated backward around its axis, and the second limiting cross bar 334 can be used for preventing cleaning 4 inordinate rotation of cylinder, finally make cleaning Cylinder 4 rotates backward angle no more than 90 degree.

With reference to figure 2, a rod for stiring materials 19, and the axis of rod for stiring materials 19 are installed on 1 peripheral wall of pond body of 12 downside of biological membranous layer Perpendicular to the direction of motion of cleaning brush 43, rod for stiring materials 19 is located at the upside of sludge out pipe 15 in line direction.It is passed through when cleaning brush 43 moves When crossing rod for stiring materials 19, rod for stiring materials 19 is for shaking cleaning brush 43, so as to which part sundries be trembled from cleaning brush 43 Under, conducive to the discharge of sundries.

Specific implementation process：Sewage will from water inlet pipe 14 enter pond body 1 inside, while air inlet pipe 13 will be to pond body 1 inside Air Exposure is carried out, sewage flows upward through the purification of biological membranous layer 12, then is discharged by outlet pipe 11.And cleaning assemblies 2 For being cleaned to 1 bottom of pond body, and sundries is pushed near the nozzle of sludge out pipe 15.

The cleaning process of 1 bottom of pond body：Cleaning motor 21 drives threaded rod 23 to rotate, then cleaning brush 43 will threadingly bar 23 axis direction moves back and forth.When cleaning brush 43 is moved towards sludge out pipe 15, due to cleaning brush 43 and 1 bottom of pond body There is frictional force, mounting base 41 will be connected on the first limiting cross bar 332, and the first limiting cross bar 332 is used to limit cleaning Cylinder 4 rotates forward, and cleaning brush 43 contacts always with 1 bottom of pond body at this time.When cleaning brush 43 moves across rod for stiring materials 19, Rod for stiring materials 19 can stir cleaning brush 43, and part sundries is made to be trembled down from cleaning brush 43, so as to the cleaning conducive to sundries.

When nozzle movement of the cleaning brush 43 away from sludge out pipe 15, due to friction of 1 bottom of pond body to cleaning brush 43 Power, cleaning cylinder 4 will be rotated backward around its axis, and the second limiting cross bar 334 can be used for preventing cleaning 4 inordinate rotation of cylinder, finally Make cleaning cylinder 4 rotates backward angle no more than 90 degree.

The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (8)

1. a kind of biological contact oxidation pond desulfurization process suitable for denitrogenation of waste water, including pond body（1）, pond body（1）On peripheral wall It is communicated with outlet pipe（11）And water inlet pipe（14）, pond body（1）It is interior to be equipped with biological membranous layer（12）, outlet pipe（11）In water inlet pipe（14） Top and biological membranous layer（12）Positioned at outlet pipe（11）With water inlet pipe（14）Between；It is characterized in that：The pond body（1）It is worn on peripheral wall Equipped with air inlet pipe（13）, air inlet pipe（13）Pond body is stretched into one end（1）Internal and air inlet pipe（13）Put in pond body（1）Interior one end is located at Biological membranous layer（12）Lower section, air inlet pipe（13）The other end is located at pond body（1）It is outer and be connected with air pump（131）；Biological membranous layer（12） Lower section is equipped with sludge out pipe（15）And sludge out pipe（15）Extended spot pond body（1）One end is connected with sludge concentration tank（18）, sludge out pipe （15）On solenoid valve is installed（16）And shell pump（17）；Pond body（1）Bottom is equipped with for by pond body（1）The sundries of bottom is clear It manages to sludge out pipe（15）Nozzle cleaning assemblies（2）, cleaning assemblies（2）Including cleaning motor（21）And cleaning motor（21） Connected shaft coupling（22）With shaft coupling（22）Connected threaded rod（23）, threaded rod（23）Upper gap is arranged with connector sleeve （3）, connector sleeve（3）Gag lever post is installed on internal perisporium（32）And gag lever post（32）Embedded in threaded rod（23）Thread groove in；Even Female connector（3）Periphery wall on be fixed with limited block（31）, pond body（1）Bottom is provided with limiting slot（34）And limited block（31）It slides embedding In limiting slot（34）It is interior；Connector sleeve（3）Connecting rod is fixed on periphery wall（33）, connecting rod（33）On be equipped with for pond body （1）Bottom carries out clean cleaning brush（43）.

2. the biological contact oxidation pond a kind of desulfurization process suitable for denitrogenation of waste water according to claim 1, feature It is：The threaded rod（23）For bidirectional helical bar（23）, and gag lever post（32）It can be relative to connector sleeve（3）Around gag lever post（32）Axis Line circumferentially rotates.

3. the biological contact oxidation pond a kind of desulfurization process suitable for denitrogenation of waste water according to claim 1, feature It is：The connecting rod（33）On be arranged with cleaning cylinder（4）And cleaning cylinder（4）It can be relative to connecting rod（33）It circumferentially rotates, cleans Bristle（43）Mounted on cleaning cylinder（4）On；Connecting rod（33）On the first limiting cross bar is installed（332）, work as cleaning brush（43） Towards sludge out pipe（15）Nozzle movement when, first limiting cross bar（332）For limiting cleaning cylinder（4）It rotates forward, so as to make Cleaning brush（43）Always with pond body（1）Bottom contacts.

4. the biological contact oxidation pond a kind of desulfurization process suitable for denitrogenation of waste water according to claim 3, feature It is：The connecting rod（33）On the second limiting cross bar is installed（334）, work as cleaning brush（43）Away from sludge out pipe（15）Nozzle During movement, the second limiting cross bar（334）For making cleaning cylinder（4）Rotate backward angle less than or equal to 90 degree.

5. the biological contact oxidation pond a kind of desulfurization process suitable for denitrogenation of waste water according to claim 3, feature It is：The cleaning cylinder（4）Periphery wall on be fixed with mounting base（41）, mounting base（41）Upper bolt（44）It is connected with channel washer （42）, cleaning brush（43）Mounted on channel washer（42）On.

6. the biological contact oxidation pond a kind of desulfurization process suitable for denitrogenation of waste water according to claim 1, feature It is：The biological membranous layer（12）The pond body of downside（1）Rod for stiring materials is installed on peripheral wall（19）And rod for stiring materials（19）Axis direction Perpendicular to cleaning brush（43）The direction of motion, rod for stiring materials（19）Positioned at pond body（1）Close to sludge out pipe（15）Nozzle side.

7. the biological contact oxidation pond a kind of desulfurization process suitable for denitrogenation of waste water according to claim 1, feature It is：The air inlet pipe（13）Positioned at pond body（1）Interior one end is communicated with gas-distributing pipe（132）, gas-distributing pipe（132）Peripheral wall upper edge its Length direction is provided with several gas vents（133）.

8. the biological contact oxidation pond a kind of desulfurization process suitable for denitrogenation of waste water according to claim 1, feature It is：The sludge out pipe（15）Connection is in pond body（1）Bottom of pond.