CN119430469B - A sewage treatment device and method for environmental protection engineering - Google Patents
A sewage treatment device and method for environmental protection engineering Download PDFInfo
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- CN119430469B CN119430469B CN202510020291.9A CN202510020291A CN119430469B CN 119430469 B CN119430469 B CN 119430469B CN 202510020291 A CN202510020291 A CN 202510020291A CN 119430469 B CN119430469 B CN 119430469B
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- 239000010865 sewage Substances 0.000 title claims abstract description 161
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007613 environmental effect Effects 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 208
- 239000000945 filler Substances 0.000 claims abstract description 136
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000001914 filtration Methods 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000000694 effects Effects 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000005273 aeration Methods 0.000 claims description 54
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 28
- 239000001301 oxygen Substances 0.000 claims description 28
- 229910052760 oxygen Inorganic materials 0.000 claims description 28
- 239000012535 impurity Substances 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims 12
- 230000032258 transport Effects 0.000 claims 5
- 239000007921 spray Substances 0.000 claims 1
- 238000005276 aerator Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/085—Fluidized beds
- C02F3/087—Floating beds with contact bodies having a lower density than water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
本发明公开了一种环保工程用污水处理设备及方法，涉及污水处理领域，包括：处理罐，所述处理罐的内部填充有多个MBBR生物填料；过滤机构，所述过滤机构包括外筒体和滤水网筒，所述滤水网筒的内部设有第一空心转轴和第一螺旋叶片；出水机构，所述出水机构包括依次连接的排料筒、排水组件和输送管；排料机构，所述排料机构包括回流管，所述回流管的两端分别与排料筒和外筒体连接。本发明MBBR生物填料能够在整体流程中循环流动，MBBR生物填料能够在出水腔内与污水接触，然后一起进入处理罐内，最后一起通过输送管，整体流程长，使得MBBR生物填料与污水接触时间长，提高了MBBR生物填料对污水的处理效果，且更换MBBR生物填料时无需停机。
The present invention discloses a sewage treatment equipment and method for environmental protection engineering, which relates to the field of sewage treatment, including: a treatment tank, wherein the interior of the treatment tank is filled with a plurality of MBBR biological fillers; a filtering mechanism, wherein the filtering mechanism includes an outer cylinder and a water filter net cylinder, wherein the interior of the water filter net cylinder is provided with a first hollow rotating shaft and a first spiral blade; a water outlet mechanism, wherein the water outlet mechanism includes a discharge cylinder, a drainage assembly and a conveying pipe connected in sequence; a discharge mechanism, wherein the discharge mechanism includes a return pipe, and the two ends of the return pipe are respectively connected to the discharge cylinder and the outer cylinder. The MBBR biological filler of the present invention can circulate in the overall process, and the MBBR biological filler can contact with the sewage in the water outlet cavity, and then enter the treatment tank together, and finally pass through the conveying pipe together, and the overall process is long, so that the MBBR biological filler is in contact with the sewage for a long time, thereby improving the treatment effect of the MBBR biological filler on the sewage, and no shutdown is required when replacing the MBBR biological filler.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to sewage treatment equipment and method for environmental engineering.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused. The environmental protection engineering is the engineering specially designed for environmental protection, and based on a certain set of envisaged targets, the related scientific knowledge and technical means are applied to treat the environmental pollution problem through the organized activities of a group of people. The environment protection engineering mainly comprises an air pollution control engineering, a water pollution control engineering, a solid waste treatment and utilization engineering, a noise control engineering and the like. There are various sewage treatment methods for environmental engineering, one of which is to treat sewage by biotechnology.
MBBR biological filler is one of sewage treatment biological fillers, also called fluidized bed filler, and is an efficient sewage treatment method which is formed by absorbing the advantages of a traditional fluidized bed and a biological contact oxidation method. The core part of the MBBR biological filler is that the suspended filler with the specific gravity close to that of water is directly added into an aeration tank to be used as an active carrier of microorganisms, and the biological filler is in a fluidization state by means of aeration in the aeration tank and lifting action of water flow, and is a process combining an activated sludge method for suspension growth and a biofilm method for attachment growth. Unlike the former packing, the suspended packing can frequently come into contact with sewage many times, and is therefore called a "moving biofilm".
At present, in equipment for treating sewage by utilizing MBBR biological filler, the MBBR biological filler is filled in a treatment tank, after the sewage enters the treatment tank and is mixed and contacted with the MBBR biological filler, the sewage is discharged through an interception net at the top of the side wall of the treatment tank, and although the sewage is in effective contact with the MBBR biological filler in the treatment tank, the sewage flows in the treatment tank, so that the contact time of the sewage and the MBBR biological filler is short, the treatment effect is reduced, meanwhile, the whole equipment is required to be stopped when the MBBR biological filler in the treatment tank is required to be replaced, the MBBR biological filler is taken out, and the sewage can be treated again after the MBBR biological filler is replaced, so that the sewage treatment is very inconvenient.
Therefore, it is necessary to invent a sewage treatment apparatus and method for environmental engineering to solve the above problems.
Disclosure of Invention
The invention aims to provide sewage treatment equipment and a sewage treatment method for environmental protection engineering, which are used for solving the problems that the sewage provided in the background technology has short flow in a treatment tank, so that the contact time of the sewage and MBBR biological filler is short, the treatment effect is reduced, meanwhile, the whole equipment is required to be stopped when the MBBR biological filler in the treatment tank is replaced, and the sewage treatment can be carried out again after the MBBR biological filler is replaced, so that the sewage treatment is very inconvenient.
In order to achieve the above purpose, the invention provides the following technical scheme that the sewage treatment equipment for environmental engineering comprises:
the treatment tank is internally provided with a through cylindrical cavity and a conical cavity, and a plurality of MBBR biological fillers are filled in the treatment tank;
The filtering mechanism is arranged at the left part of the upper side of the treatment tank and comprises an outer cylinder body and a water filtering net cylinder, the lower part of the side wall of the water filtering net cylinder is connected with a water inlet pipe, a first hollow rotating shaft and a first spiral blade are arranged in the water filtering net cylinder, a sewage draining cylinder is fixed at the top of the outer cylinder body, and a first driving component for driving the first hollow rotating shaft to rotate is arranged on the outer cylinder body;
The water outlet mechanism is arranged at the right part of the upper side of the treatment tank and comprises a discharge barrel, a discharge assembly and a conveying pipe which are sequentially connected, a second hollow rotating shaft and a third helical blade are nested in the conveying pipe, air outlet holes are formed in the surface of the second hollow rotating shaft at equal intervals, and a second driving assembly for driving the second hollow rotating shaft to rotate is arranged on the discharge assembly;
The discharging mechanism comprises a return pipe, two ends of the return pipe are respectively connected with the discharging barrel and the outer barrel, the middle part of the lower side of the return pipe is connected with a discharging pipe, and a switching assembly is arranged on the discharging pipe;
the air supply mechanism is connected with the first hollow rotating shaft and the second hollow rotating shaft respectively.
Preferably, the water filtering net cylinder is nested in the outer cylinder, the top edge of the water filtering net cylinder is fixedly connected with the top inner wall of the outer cylinder, a water outlet cavity is arranged between the water filtering net cylinder and the outer cylinder, and the water outlet cavity is communicated with the inner cavity of the treatment tank;
the outer side of the water filtering net cylinder is fixedly sleeved with a second spiral blade, and the outer end of the second spiral blade is connected with the inner wall of the outer cylinder;
The inner cavity of the sewage draining cylinder is communicated with the inner cavity of the water filtering net cylinder, and the side wall of the sewage draining cylinder is connected with a sewage draining pipe;
the upper end of the first hollow rotating shaft extends into the sewage draining cylinder and rotates to penetrate through the top wall of the sewage draining cylinder, the first spiral blade is fixedly sleeved on the first hollow rotating shaft, the upper end of the first spiral blade extends into the sewage draining cylinder, a plurality of water filtering holes are formed in the first spiral blade, the first spiral blade rotates to convey impurities and sewage upwards, and water molecules in the sewage pass through meshes of the water filtering net cylinder and enter the water outlet cavity;
One end of the water inlet pipe, which is far away from the water filtering net barrel, penetrates through the side wall of the outer barrel body and extends out of the outer barrel body, the water inlet pipe is connected with an external sewage pipe, sewage enters the water filtering net barrel through the water inlet pipe, the water filtering net barrel filters the sewage, and large-particle impurities in the sewage are intercepted;
The upper part of the front side of the outer cylinder body is provided with a feed inlet, new MBBR biological filler is conveniently added through the feed inlet, the MBBR biological filler firstly enters the water outlet cavity, and falls into the treatment tank along the second spiral blade together with sewage;
The first driving assembly comprises a first servo motor and a first driven gear, the first driven gear is fixedly sleeved at the upper end of the first hollow rotating shaft, the first servo motor is mounted at the top of the outer cylinder body, the output end of the first servo motor is connected with a first driving gear, and the first driving gear is meshed with the first driven gear.
Preferably, the lower end of the first hollow rotating shaft rotates to penetrate through the bottom wall of the water filtering net drum and extends into the treatment tank, the bottom end of the first hollow rotating shaft is connected with a first connecting pipe, the inner cavity of the first connecting pipe is communicated with the inner cavity of the first hollow rotating shaft, the left side and the right side of the bottom end of the first connecting pipe are respectively connected with a first aerator pipe, and first air nozzles are arranged on the upper side of the first aerator pipe at equal intervals;
air in the first hollow rotating shaft enters the first aeration pipe through the first connecting pipe and is sprayed out of the first air nozzle on the first aeration pipe to supply oxygen;
the first connecting pipe and the first aeration pipe are positioned in the cylindrical cavity, the first hollow rotating shaft rotates and drives the first aeration pipe to rotate, and the first aeration pipe rotates to stir sewage and MBBR biological filler in the cylindrical cavity, so that the sewage and MBBR biological filler are in complete contact, and the oxygen supply effect is improved.
Preferably, the lower end of the conveying pipe extends into the conical cavity through the top wall of the treatment tank;
The drainage assembly comprises a drainage box, a drainage pipe is arranged at the right part of the lower side of the drainage box, a drainage cavity is arranged in the drainage box, a water filtering net pipe is arranged at the left part of the drainage cavity, the edges of the upper end and the lower end of the water filtering net pipe are connected with the upper side wall and the lower side wall of the drainage cavity, the water filtering net pipe is positioned between a discharge cylinder and a conveying pipe, the diameters of inner cavities of the water filtering net pipe, the discharge cylinder and the conveying pipe are the same, and the inner cavity of the water filtering net pipe is communicated with the inner cavity of the discharge cylinder and the inner cavity of the conveying pipe;
the upper end of the second hollow rotating shaft sequentially penetrates through the water filtering net pipe and the top wall of the discharge cylinder, and the upper end of the third spiral blade penetrates through the water filtering net pipe and extends into the discharge cylinder;
The third helical blade rotates to convey the water and the MBBR biological filler in the conical cavity upwards, when the water and the MBBR biological filler reach the drainage tank through the conveying pipe, the treated water falls into the drainage cavity through the water filtering pipe net and finally is discharged through the drainage pipe, and the third helical blade rotates and conveys the MBBR biological filler upwards continuously;
The second driving assembly comprises a second servo motor and a second driven gear, the second driven gear is fixedly sleeved at the upper end of the second hollow rotating shaft, the second servo motor is installed on the drainage tank, the output end of the second servo motor is connected with a second driving gear, and the second driving gear is meshed with the second driven gear.
Preferably, the lower end of the second hollow rotating shaft extends out of the conveying pipe, the left side and the right side of the bottom end of the second hollow rotating shaft are both connected with a second connecting pipe, the inner cavity of the second connecting pipe is communicated with the inner cavity of the second hollow rotating shaft, one end, far away from the second hollow rotating shaft, of the second connecting pipe is connected with a second aerator pipe, and second air nozzles are arranged on the second aerator pipe at equal intervals;
air enters the second connecting pipe through the second hollow rotating shaft and then enters the second aerator pipe, and is sprayed out by a second air nozzle on the second connecting pipe to supply oxygen;
The second connecting pipe and the second aeration pipe are positioned in the conical cavity, the second hollow rotating shaft rotates to drive the second aeration pipe to rotate, water flow in the conical cavity is stirred, sewage in the conical cavity collides with sewage in the cylindrical cavity, the contact effect of the sewage and MBBR biological filler is improved, and the oxygen supply effect is improved.
Preferably, the inner cavity of the return pipe is communicated with the water outlet cavity and the inner cavity of the discharge cylinder respectively, the height of the joint of the return pipe and the outer cylinder body is lower than that of the joint of the return pipe and the discharge cylinder, and the arrangement of the height difference is favorable for the MBBR biological filler discharged from the discharge cylinder to pass through the return pipe and enter the water outlet cavity.
Preferably, a discharge hole is formed in the bottom wall of the inner cavity of the return pipe at a position corresponding to the discharge pipe, and the inner cavity of the discharge pipe is communicated with the inner cavity of the return pipe through the discharge hole;
The switching assembly comprises an electric cylinder and a moving plate which is arranged on the left side wall of the inner cavity of the discharge pipe in a sliding manner, wherein the upper end of the moving plate penetrates through the discharge hole and extends into the inner cavity of the return pipe, a cover plate is fixed at the upper end of the moving plate, the size of the cover plate is larger than that of the discharge hole, a sliding groove is formed in the upper portion of the left side wall of the discharge pipe, a sliding block is fixed in the middle of the side wall of the moving plate, the sliding block penetrates through the sliding groove in a sliding manner, a base is fixed on the left side wall of the discharge pipe, a base of the electric cylinder is mounted on the base, and the telescopic end of the electric cylinder is connected with the sliding block;
under normal conditions, the apron shutoff bin outlet, the biological filler of discharge cylinder exhaust can pass the back flow and get into the play water intracavity, circulate, when needs change the biological filler of MBBR in the equipment, electronic jar work promotes the slider and moves upward, the slider moves and drives the movable plate and move upward, the movable plate moves upward and promotes the apron and move upward, the apron moves upward and exposes the bin outlet, the left portion cavity of back flow is sealed up on the upper portion of movable plate simultaneously for in the biological filler of discharge cylinder exhaust gets into the back flow, get into the discharge intraductal through the bin outlet, discharge from the discharge pipe, new biological filler of MBBR adds through the feed inlet can, when changing the biological filler of MBBR, whole equipment need not to shut down.
Preferably, the air supply mechanism comprises an air pump, an air outlet end of the air pump is connected with an air supply main pipe, one end, far away from the air pump, of the air supply main pipe is respectively connected with a first air supply branch pipe and a second air supply branch pipe through a three-way joint, one ends, far away from the air supply main pipe, of the first air supply branch pipe and the second air supply branch pipe are respectively connected with a rotary joint, the first air supply branch pipe is connected with the upper end of a first hollow rotating shaft through the rotary joint, and the second air supply branch pipe is connected with a second hollow rotating shaft through the rotary joint.
Preferably, the height of the inner wall of the bottom of the conical cavity is lower than that of the cylindrical cavity, a discharge pipe is arranged at the bottom of the right side of the treatment tank, and a valve is arranged on the discharge pipe.
A sewage treatment method of sewage treatment equipment for environmental engineering comprises the following specific steps:
Adding MBBR biological filler into a water outlet cavity through a feed inlet on an outer cylinder, and simultaneously connecting a water inlet pipe with an external sewage pipe;
Step two, sewage enters a water filtering net barrel through a water inlet pipe, water molecules in the sewage enter a water outlet cavity through meshes of the water filtering net barrel, the water enters the water outlet cavity and contacts with MBBR biological fillers, the MBBR biological fillers carry out purification treatment on the sewage, then the water and the MBBR biological fillers fall into a cylindrical cavity in a treatment tank along a second spiral blade in the water outlet cavity, and large-particle impurities in the sewage in the water filtering net barrel are intercepted by the water filtering net barrel;
Step three, a first servo motor works to drive a first driven gear to rotate through a first driving gear, the first driven gear rotates to drive a first hollow rotating shaft to rotate, the first hollow rotating shaft rotates to drive a first spiral blade to rotate, the first spiral blade rotates to convey impurities intercepted at the bottom of a water filtering net barrel upwards into a sewage draining barrel, and then the impurities are discharged from the sewage draining pipe, so that the sewage is filtered, and meanwhile, the impurities generated by filtration are synchronously discharged;
Step four, sewage and MBBR biological filler in the cylindrical cavity are mixed and enter the conical cavity, meanwhile, an air pump works to respectively input air into a first air transmission branch pipe and a second air transmission branch pipe through an air transmission main pipe, then the air enters a first hollow rotating shaft and a second hollow rotating shaft respectively, the air in the first hollow rotating shaft enters a first aeration pipe through a first connecting pipe and is sprayed out of a first air nozzle on the first aeration pipe to supply oxygen, the air in the second hollow rotating shaft enters a second aeration pipe through a second connecting pipe and is sprayed out of a second air nozzle on the second aeration pipe to supply oxygen, and the first hollow rotating shaft rotates and drives the first aeration pipe to rotate, so that the sewage and the MBBR biological filler in the cylindrical cavity are stirred by rotation of the first aeration pipe, the contact of the sewage and the MBBR biological filler is more complete, and the oxygen supply effect is improved;
The second servo motor works to drive the second driven gear to rotate through the second driving gear, the second driven gear rotates to drive the second hollow rotating shaft to rotate, the second hollow rotating shaft rotates to drive the second aeration pipe to rotate, water flow in the conical cavity is stirred, sewage in the conical cavity and sewage in the cylindrical cavity collide with each other, the contact effect of the sewage and MBBR biological filler is improved, the oxygen supply effect is improved, meanwhile, the second hollow rotating shaft rotates to drive the third helical blade to rotate, and the third helical blade rotates to convey the water in the conical cavity and the MBBR biological filler upwards;
In the process of upward conveying of water and MBBR biological filler by the third spiral blade, air is sprayed out from the air outlet hole on the second hollow rotating shaft to supply oxygen to the MBBR biological filler, when the third spiral blade rotates to convey the water and the MBBR biological filler to the water filtering net pipe in the drainage tank, the treated water falls into the drainage cavity through the water filtering net pipe and is finally discharged through the drainage pipe;
Continuously rotating the third spiral blade, continuously conveying the MBBR biological filler upwards, conveying the MBBR biological filler into the discharge cylinder, and flowing back into the water outlet cavity through the return pipe to be contacted with the sewage just entering for purifying the sewage, wherein the MBBR biological filler can circularly flow in the whole flow path;
And step eight, when MBBR biological filler in the equipment needs to be replaced, the electric cylinder works to push the sliding block to move upwards, the sliding block moves upwards to drive the moving plate to move upwards, the moving plate moves upwards to push the cover plate to move upwards, the cover plate moves upwards to expose the discharge port, and meanwhile, the upper part of the moving plate seals the left cavity of the return pipe, so that the MBBR biological filler discharged by the discharge cylinder enters the discharge pipe through the discharge port after entering the return pipe, and is discharged from the discharge pipe, new MBBR biological filler is added through the feed port, and the whole equipment does not need to be stopped when the MBBR biological filler is replaced.
In the technical scheme, the invention has the technical effects and advantages that:
1. through the arrangement of the filtering mechanism, the treatment tank, the water outlet mechanism and the discharge mechanism, the MBBR biological filler can circularly flow in the whole flow, can contact sewage in the water outlet cavity, then enter the treatment tank together and finally pass through the conveying pipe together, and the whole flow is long, so that the contact time of the MBBR biological filler and the sewage is long, and the sewage treatment effect of the MBBR biological filler is improved;
2. When the MBBR biological filler needs to be replaced, the electric cylinder works to push the movable plate to move upwards, the movable plate moves upwards to push the cover plate to move upwards, the cover plate moves upwards to expose the discharge port, meanwhile, the upper part of the movable plate seals the left cavity of the return pipe, so that after the MBBR biological filler discharged by the discharge cylinder enters the return pipe, enters the discharge pipe through the discharge port and is discharged from the discharge pipe, new MBBR biological filler is added through the feed port, and when the MBBR biological filler is replaced, the whole equipment does not need to be stopped;
3. Through being provided with filtering mechanism, in sewage gets into the drainage net section of thick bamboo through the inlet tube, the drainage net section of thick bamboo can intercept the large granule impurity in the sewage, and simultaneously first helical blade rotates in carrying the blowdown section of thick bamboo with large granule impurity, discharges from the blow off pipe, when realizing filtering sewage, with the impurity synchronous discharge who filters the production.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an anatomic view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic diagram of a filtration mechanism of the present invention;
FIG. 4 is an anatomic view of the filtering mechanism of the present invention;
FIG. 5 is an anatomic view of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of a water outlet mechanism according to the present invention;
FIG. 7 is an anatomic view of the water outlet mechanism of the present invention;
FIG. 8 is an anatomic view of a drain assembly of the present invention;
FIG. 9 is a schematic view of a discharge mechanism of the present invention;
FIG. 10 is an anatomic view of a discharge mechanism of the present invention;
FIG. 11 is an anatomic view of the connection of the return tube to the discharge tube of the present invention;
FIG. 12 is a schematic diagram of the connection of a movable plate and a cover plate according to the present invention;
fig. 13 is a schematic view of the air feeding mechanism of the present invention.
Reference numerals illustrate:
1. a treatment tank; 11, a cylindrical cavity, 12, a conical cavity, 13, MBBR biological filler;
2. The filter mechanism comprises a filter mechanism, a 21, an outer cylinder body, a 211, a water outlet cavity, a 212, a feed inlet, a 22, a water filtering net drum, a 23, a water inlet pipe, a 24, a first hollow rotating shaft, a 25, a first spiral blade, a 251, a water filtering hole, a 26, a sewage drum, a 261, a sewage pipe, a 27, a second spiral blade, a 28, a first driving component, a 281, a first servo motor, a 282, a first driven gear, a 283, a first driving gear, a 29, a first connecting pipe, a 291 and a first aerator pipe;
3. the water outlet mechanism, 31, a discharge cylinder, 32, a discharge assembly, 321, a discharge tank, 322, a discharge cavity, 323, a water filtering net pipe, 324, a discharge pipe, 33, a conveying pipe, 34, a second hollow rotating shaft, 341, an air outlet hole, 35, a third helical blade, 36, a second driving assembly, 361, a second servo motor, 362, a second driven gear, 363, a second driving gear, 37, a second connecting pipe, 38 and a second aerator pipe;
4. The device comprises a discharging mechanism, 41, a return pipe, 411, a discharging port, 42, a discharging pipe, 421, a chute, 43, a moving plate, 431, a sliding block, 44, a cover plate, 45, a base, 46 and an electric cylinder;
5. An air supply mechanism; 51, an air pump, 52, an air conveying main pipe, 53, a first air conveying branch pipe, 54, a second air conveying branch pipe and 55, and a rotary joint.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The present invention provides a sewage treatment apparatus for environmental engineering as shown in fig. 1 to 12, comprising:
The treatment tank 1, the treatment tank 1 is internally provided with a through cylindrical cavity 11 and a conical cavity 12, and a plurality of MBBR biological fillers 13 are filled in the treatment tank 1;
The filtering mechanism 2 is arranged at the left part of the upper side of the treatment tank 1, the filtering mechanism 2 comprises an outer cylinder 21 and a water filtering net cylinder 22, a water inlet pipe 23 is connected to the lower part of the side wall of the water filtering net cylinder 22, a first hollow rotating shaft 24 and a first spiral blade 25 are arranged in the water filtering net cylinder 22, a pollution discharge cylinder 26 is fixed at the top of the outer cylinder 21, and a first driving component 28 for driving the first hollow rotating shaft 24 to rotate is arranged on the outer cylinder 21;
The water outlet mechanism 3 is arranged at the right part of the upper side of the treatment tank 1, the water outlet mechanism 3 comprises a discharge barrel 31, a discharge assembly 32 and a conveying pipe 33 which are sequentially connected, a second hollow rotating shaft 34 and a third helical blade 35 are nested in the conveying pipe 33, and a second driving assembly 36 for driving the second hollow rotating shaft 34 to rotate is arranged on the discharge assembly 32;
The discharging mechanism 4, the discharging mechanism 4 comprises a return pipe 41, and two ends of the return pipe 41 are respectively connected with the discharging cylinder 31 and the outer cylinder 21;
and an air supply mechanism 5, wherein the air supply mechanism 5 is connected with the first hollow rotating shaft 24 and the second hollow rotating shaft 34 respectively.
The water filtering net cylinder 22 is nested in the outer cylinder 21, the top edge of the water filtering net cylinder 22 is fixedly connected with the top inner wall of the outer cylinder 21, a water outlet cavity 211 is arranged between the water filtering net cylinder 22 and the outer cylinder 21, and the water outlet cavity 211 is communicated with the inner cavity of the treatment tank 1;
The outer side of the water filtering net drum 22 is fixedly sleeved with a second helical blade 27, and the outer end of the second helical blade 27 is connected with the inner wall of the outer drum 21;
The inner cavity of the sewage draining cylinder 26 is communicated with the inner cavity of the water filtering net cylinder 22, and the side wall of the sewage draining cylinder 26 is connected with a sewage draining pipe 261;
The upper end of the first hollow rotating shaft 24 extends into the sewage draining cylinder 26 and rotates to penetrate through the top wall of the sewage draining cylinder 26, the first spiral blade 25 is fixedly sleeved on the first hollow rotating shaft 24, the upper end of the first spiral blade 25 extends into the sewage draining cylinder 26, a plurality of water filtering holes 251 are formed in the first spiral blade 25, the first spiral blade 25 rotates to convey impurities and sewage upwards, and water molecules in the sewage penetrate through meshes of the water filtering net cylinder 22 and enter the water outlet cavity 211;
One end of the water inlet pipe 23, which is far away from the water filtering net barrel 22, penetrates through the side wall of the outer barrel 21 and extends out of the outer barrel 21, the water inlet pipe 23 is connected with an external sewage pipe, sewage enters the water filtering net barrel 22 through the water inlet pipe 23, the water filtering net barrel 22 filters the sewage, and large-particle impurities in the sewage are intercepted;
the upper part of the front side of the outer cylinder 21 is provided with a feed inlet 212, new MBBR biological filler 13 is conveniently added through the feed inlet 212, the MBBR biological filler 13 firstly enters the water outlet cavity 211 and falls into the treatment tank 1 along the second helical blade 27 together with sewage;
The first driving assembly 28 comprises a first servo motor 281 and a first driven gear 282, the first driven gear 282 is fixedly sleeved at the upper end of the first hollow rotating shaft 24, the first servo motor 281 is mounted at the top of the outer cylinder 21, the output end of the first servo motor 281 is connected with a first driving gear 283, and the first driving gear 283 is meshed with the first driven gear 282.
The lower end of the conveying pipe 33 extends into the conical cavity 12 through the top wall of the treatment tank 1;
The drainage assembly 32 comprises a drainage box 321, a drainage pipe 324 is arranged at the right part of the lower side of the drainage box 321, a drainage cavity 322 is arranged in the drainage box 321, a water filtering net pipe 323 is arranged at the left part of the drainage cavity 322, the edges of the upper end and the lower end of the water filtering net pipe 323 are connected with the upper side wall and the lower side wall of the drainage cavity 322, the water filtering net pipe 323 is positioned between a drainage cylinder 31 and a conveying pipe 33, the diameters of inner cavities of the water filtering net pipe 323, the drainage cylinder 31 and the conveying pipe 33 are the same, and the inner cavity of the water filtering net pipe 323 is communicated with the inner cavity of the drainage cylinder 31 and the inner cavity of the conveying pipe 33;
The upper end of the second hollow rotating shaft 34 sequentially penetrates through the water filtering net pipe 323 and the top wall of the discharge cylinder 31, and the upper end of the third spiral blade 35 penetrates through the water filtering net pipe 323 and extends into the discharge cylinder 31;
the third helical blade 35 rotates to convey the water and the MBBR biological filler 13 in the conical cavity 12 upwards, when the water and the MBBR biological filler 13 reach the drainage tank 321 through the conveying pipe 33, the treated water falls into the drainage cavity 322 through the water filtering net pipe 323 and finally is discharged through the drainage pipe 324, and the third helical blade 35 rotates and conveys the MBBR biological filler 13 upwards continuously;
The second driving assembly 36 comprises a second servo motor 361 and a second driven gear 362, the second driven gear 362 is fixedly sleeved at the upper end of the second hollow rotating shaft 34, the second servo motor 361 is installed on the drainage tank 321, the output end of the second servo motor 361 is connected with a second driving gear 363, and the second driving gear 363 is in meshed connection with the second driven gear 362.
The bottom inner wall of the conical cavity 12 is located at a lower height than the cylindrical cavity 11, and a drain pipe is arranged at the bottom of the right side of the treatment tank 1 and is provided with a valve.
In the invention, MBBR biological filler 13 is added into a water outlet cavity 211 through a feed inlet 212 on an outer cylinder 21, meanwhile, a water inlet pipe 23 is connected with an external sewage pipe, sewage enters a water filtering net cylinder 22 through the water inlet pipe 23, water molecules in the sewage enter the water outlet cavity 211 through meshes of the water filtering net cylinder 22 and are contacted with the MBBR biological filler 13, the MBBR biological filler 13 purifies the sewage, then the water and the MBBR biological filler 13 fall into a cylindrical cavity 11 in a treatment tank 1 along a second helical blade 27 in the water outlet cavity 211, large-particle impurities in the sewage in the water filtering net cylinder 22 are intercepted by the water filtering net cylinder 22, a first servo motor 281 works to drive a first driven gear 282 to rotate through a first driving gear 283, the first driven gear 282 rotates to drive a first hollow rotating shaft 24 to rotate, the first hollow rotating shaft 24 rotates to drive a first helical blade 25 to rotate, the first helical blade 25 rotates to convey the impurities intercepted at the bottom of the water filtering net drum 22 upwards into the sewage draining drum 26, then the impurities are discharged from the sewage draining pipe 261, the impurities generated by filtration are synchronously discharged, the sewage in the cylindrical cavity 11 and the MBBR biological filler 13 are mixed and enter the conical cavity 12, the second servo motor 361 works to drive the second driven gear 362 to rotate through the second driving gear 363, the second driven gear 362 rotates to drive the second hollow rotating shaft 34 to rotate, the second hollow rotating shaft 34 rotates to drive the third helical blade 35 to rotate, the third helical blade 35 rotates to convey the water in the conical cavity 12 and the MBBR biological filler 13 upwards, the treated water falls into the water draining cavity 322 through the water filtering net pipe 323 when the water and the MBBR biological filler 13 are conveyed to the water draining box 321, finally the treated water is discharged through the water draining pipe 324, the third helical blade 35 continuously rotates, the MBBR biological filler 13 is continuously conveyed upwards, the MBBR biological filler 13 is conveyed into the discharge cylinder 31, then flows back into the water outlet cavity 211 through the return pipe 41, and is contacted with the sewage just entering to carry out purification treatment on the sewage, the MBBR biological filler 13 can circularly flow in the whole flow, and the whole flow is long, so that the contact time of the MBBR biological filler 13 and the sewage is long, and the sewage treatment effect of the MBBR biological filler 13 is improved.
As shown in fig. 9 to 12, the inner cavity of the return pipe 41 is communicated with the water outlet cavity 211 and the inner cavity of the discharge cylinder 31 respectively, the height of the joint of the return pipe 41 and the outer cylinder 21 is lower than that of the joint of the return pipe 41 and the discharge cylinder 31, and the MBBR biological filler 13 discharged from the discharge cylinder 31 can pass through the return pipe 41 and enter the water outlet cavity 211 due to the arrangement of the height difference.
The middle part of the lower side of the return pipe 41 is connected with a discharge pipe 42, and a switching component is arranged on the discharge pipe 42;
A discharge hole 411 is formed in the bottom wall of the inner cavity of the return pipe 41 and corresponds to the discharge pipe 42, and the inner cavity of the discharge pipe 42 is communicated with the inner cavity of the return pipe 41 through the discharge hole 411;
The switching assembly comprises an electric cylinder 46 and a moving plate 43 which is arranged on the left side wall of the inner cavity of the discharge pipe 42 in a sliding manner, wherein the upper end of the moving plate 43 penetrates through the discharge hole 411 and extends into the inner cavity of the return pipe 41, a cover plate 44 is fixed at the upper end of the moving plate 43, the size of the cover plate 44 is larger than that of the discharge hole 411, a sliding groove 421 is formed in the upper part of the left side wall of the discharge pipe 42, a sliding block 431 is fixed in the middle of the side wall of the moving plate 43, the sliding block 431 penetrates through the sliding groove 421 in a sliding manner, a base 45 is fixed on the left side wall of the discharge pipe 42, a base of the electric cylinder 46 is arranged on the base 45, and the telescopic end of the electric cylinder 46 is connected with the sliding block 431;
In the invention, under the normal working condition, the cover plate 44 seals the discharge hole 411, the MBBR biological filler 13 discharged by the discharge cylinder 31 can pass through the return pipe 41 to enter the discharge cavity 211 for circulation, when the MBBR biological filler 13 in the equipment needs to be replaced, the electric cylinder 46 works to push the sliding block 431 to move upwards, the sliding block 431 moves upwards to drive the moving plate 43 to move upwards, the moving plate 43 moves upwards to push the cover plate 44 to move upwards, the cover plate 44 moves upwards to expose the discharge hole 411, meanwhile, the upper part of the moving plate 43 seals the left cavity of the return pipe 41, so that the MBBR biological filler 13 discharged by the discharge cylinder 31 enters the return pipe 41, enters the discharge pipe 42 through the discharge hole 411 and is discharged from the discharge pipe 42, and when a new MBBR biological filler 13 is added through the feed inlet 212, the whole equipment does not need to be stopped when the MBBR biological filler 13 is replaced.
As shown in fig. 2,5, 7 and 13, the air supply mechanism 5 includes an air pump 51, an air outlet end of the air pump 51 is connected with an air supply main pipe 52, one end of the air supply main pipe 52 away from the air pump 51 is respectively connected with a first air supply branch pipe 53 and a second air supply branch pipe 54 through three-way connectors, one ends of the first air supply branch pipe 53 and the second air supply branch pipe 54 away from the air supply main pipe 52 are respectively connected with a rotary joint 55, the first air supply branch pipe 53 is connected with the upper end of the first hollow rotating shaft 24 through the rotary joint 55, and the second air supply branch pipe 54 is connected with the second hollow rotating shaft 34 through the rotary joint 55.
The lower end of the first hollow rotating shaft 24 rotates to penetrate through the bottom wall of the water filtering net drum 22 and extends into the treatment tank 1, the bottom end of the first hollow rotating shaft 24 is connected with a first connecting pipe 29, the inner cavity of the first connecting pipe 29 is communicated with the inner cavity of the first hollow rotating shaft 24, the left side and the right side of the bottom end of the first connecting pipe 29 are respectively connected with a first aerator pipe 291, and first air nozzles are arranged on the upper side of the first aerator pipe 291 at equal intervals;
Air in the first hollow rotating shaft 24 enters the first aeration pipe 291 through the first connecting pipe 29, and is sprayed out by a first air nozzle on the first aeration pipe 291 to supply oxygen;
the first connecting pipe 29 and the first aeration pipe 291 are positioned in the cylindrical cavity 11, the first hollow rotating shaft 24 rotates and drives the first aeration pipe 291 to rotate, and the first aeration pipe 291 rotates to stir the sewage and the MBBR biological filler 13 in the cylindrical cavity 11, so that the sewage and the MBBR biological filler are in more complete contact, and the oxygen supply effect is improved.
The lower end of the second hollow rotating shaft 34 extends out of the conveying pipe 33, the left side and the right side of the bottom end of the second hollow rotating shaft 34 are both connected with a second connecting pipe 37, the inner cavity of the second connecting pipe 37 is communicated with the inner cavity of the second hollow rotating shaft 34, one end, far away from the second hollow rotating shaft 34, of the second connecting pipe 37 is connected with a second aerator pipe 38, and second air nozzles are arranged on the second aerator pipe 38 at equal intervals;
Air enters a second connecting pipe 37 through a second hollow rotating shaft 34, then enters a second aeration pipe 38, and is sprayed out by a second air nozzle on the second aeration pipe to supply oxygen;
the second connecting pipe 37 and the second aeration pipe 38 are positioned in the conical cavity 12, the second hollow rotating shaft 34 rotates to drive the second aeration pipe 38 to rotate, the water flow in the conical cavity 12 is stirred, the sewage in the conical cavity 12 collides with the sewage in the cylindrical cavity 11, the contact effect of the sewage and the MBBR biological filler 13 is improved, and the oxygen supply effect is improved.
The surface of the second hollow rotating shaft 34 is provided with air outlets 341 at equal intervals.
In the invention, the air pump 51 works to input air into the first air delivery branch pipe 53 and the second air delivery branch pipe 54 through the air delivery main pipe 52 respectively, then the air enters the first hollow rotating shaft 24 and the second hollow rotating shaft 34 respectively, the air in the first hollow rotating shaft 24 enters the first aeration pipe 291 through the first connecting pipe 29 and is sprayed out of the first air nozzle on the first aeration pipe 291 to supply oxygen, the air in the second hollow rotating shaft 34 enters the second aeration pipe 38 through the second connecting pipe 37 and is sprayed out of the second air nozzle on the second aeration pipe 38 to supply oxygen, the first hollow rotating shaft 24 rotates and drives the first aeration pipe 291 to rotate, the first aeration pipe 291 rotates to stir sewage and MBBR biological filler 13 in the cylindrical cavity 11, the second hollow rotating shaft 34 rotates to drive the second aeration pipe 38 to rotate, agitate the water flow in the conical cavity 12, and enable the sewage in the conical cavity 12 to collide with the sewage in the cylindrical cavity 11, so that the contact effect of the sewage and the MBBR biological filler 13 is improved, the contact is more complete, the first aeration pipe 291 and the second aeration pipe 38 rotate and simultaneously perform aeration, the oxygen supply effect is improved, the air and the MBBR biological filler 13 are fully complete in contact, the third helical blade 35 ejects the water and the MBBR biological filler 13 from the air outlet hole 341 on the second hollow rotating shaft 34 to supply oxygen to the MBBR biological filler 13 in the upward conveying process, the oxygen supply effect is guaranteed, and the sewage treatment effect of the MBBR biological filler 13 is maintained.
As shown in fig. 1 to 13, a sewage treatment method of sewage treatment equipment for environmental engineering includes the following specific steps:
adding MBBR biological filler 13 into a water outlet cavity 211 through a feed inlet 212 on an outer cylinder 21, and simultaneously connecting a water inlet pipe 23 with an external sewage pipe;
Step two, sewage enters the water filtering net barrel 22 through the water inlet pipe 23, water molecules in the sewage enter the water outlet cavity 211 through meshes of the water filtering net barrel 22 and are contacted with the MBBR biological filler 13, the MBBR biological filler 13 purifies the sewage, then the water and the MBBR biological filler 13 fall into the cylindrical cavity 11 in the treatment tank 1 along the second spiral blades 27 in the water outlet cavity 211, and large-particle impurities in the sewage in the water filtering net barrel 22 are intercepted by the water filtering net barrel 22;
Step three, the first servo motor 281 works to drive the first driven gear 282 to rotate through the first driving gear 283, the first driven gear 282 rotates to drive the first hollow rotating shaft 24 to rotate, the first hollow rotating shaft 24 rotates to drive the first spiral blade 25 to rotate, the first spiral blade 25 rotates to convey impurities intercepted at the bottom of the water filtering net drum 22 upwards into the sewage draining drum 26, and then the impurities are discharged from the sewage draining pipe 261, so that the sewage is filtered, and meanwhile, the impurities generated by filtration are synchronously discharged;
Step four, sewage in the cylindrical cavity 11 and the MBBR biological filler 13 are mixed and enter the conical cavity 12, meanwhile, the air pump 51 works to respectively input air into the first air transmission branch pipe 53 and the second air transmission branch pipe 54 through the air transmission main pipe 52, then the air respectively enters the first hollow rotating shaft 24 and the second hollow rotating shaft 34, the air in the first hollow rotating shaft 24 enters the first aeration pipe 291 through the first connecting pipe 29 and is sprayed out by the first air nozzle on the first aeration pipe 291 to supply oxygen, the air in the second hollow rotating shaft 34 enters the second aeration pipe 38 through the second connecting pipe 37 and is sprayed out by the second air nozzle on the second aeration pipe 38 to supply oxygen, the first hollow rotating shaft 291 is driven to rotate while rotating, and the first aeration pipe 291 rotates to stir the sewage in the cylindrical cavity 11 and the MBBR biological filler 13, so that the contact is more complete, and the oxygen supply effect is improved;
The second servo motor 361 works to drive the second driven gear 362 to rotate through the second driving gear 363, the second driven gear 362 rotates to drive the second hollow rotating shaft 34 to rotate, the second hollow rotating shaft 34 rotates to drive the second aeration pipe 38 to rotate, the water flow in the conical cavity 12 is stirred, the sewage in the conical cavity 12 collides with the sewage in the cylindrical cavity 11, the contact effect of the sewage and the MBBR biological filler 13 is improved, the oxygen supply effect is improved, meanwhile, the second hollow rotating shaft 34 rotates to drive the third helical blade 35 to rotate, and the third helical blade 35 rotates to convey the water in the conical cavity 12 and the MBBR biological filler 13 upwards;
In the process of upward conveying water and MBBR biological filler 13 by the third helical blade 35, air is sprayed out from the air outlet hole 341 on the second hollow rotating shaft 34 to supply oxygen to the MBBR biological filler 13, when the third helical blade 35 rotates to convey the water and the MBBR biological filler 13 to the water filtering net pipe 323 in the drainage tank 321, the treated water falls into the drainage cavity 322 through the water filtering net pipe 323 and finally is discharged through the drainage pipe 324;
The third helical blade 35 continuously rotates, the MBBR biological filler 13 is continuously conveyed upwards, the MBBR biological filler 13 is conveyed into the discharge cylinder 31, and then flows back into the water outlet cavity 211 through the return pipe 41, and the sewage is subjected to purification treatment by contacting with the sewage just entering, so that the MBBR biological filler 13 can circularly flow in the whole flow path;
And step eight, when the MBBR biological filler 13 in the equipment needs to be replaced, the electric cylinder 46 works to push the sliding block 431 to move upwards, the sliding block 431 moves upwards to drive the moving plate 43 to move upwards, the moving plate 43 moves upwards to push the cover plate 44 to move upwards, the cover plate 44 moves upwards to expose the discharge port 411, meanwhile, the upper part of the moving plate 43 seals the left cavity of the return pipe 41, so that after the MBBR biological filler 13 discharged by the discharge cylinder 31 enters the return pipe 41, enters the discharge pipe 42 through the discharge port 411, and is discharged from the discharge pipe 42, and new MBBR biological filler 13 is added through the feed port 212, and when the MBBR biological filler 13 is replaced, the whole equipment does not need to be stopped.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (8)
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| CN116715352A (en) * | 2023-06-29 | 2023-09-08 | 华南理工大学 | A kind of MBBR sewage treatment reaction tank in anaerobic environment |
| CN117585780A (en) * | 2023-12-29 | 2024-02-23 | 北京城建北方设备安装有限责任公司 | Municipal sewage treatment device and treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116715352A (en) * | 2023-06-29 | 2023-09-08 | 华南理工大学 | A kind of MBBR sewage treatment reaction tank in anaerobic environment |
| CN117585780A (en) * | 2023-12-29 | 2024-02-23 | 北京城建北方设备安装有限责任公司 | Municipal sewage treatment device and treatment method |
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Effective date of registration: 20250326 Address after: No. 306 Changzhi Road, Xuefu Industrial Park, Shanxi Transformation Comprehensive Reform Demonstration Zone, Taiyuan City, Shanxi Province 030000, China. 1009 Torch Entrepreneurship Building, Block C (facing east) Applicant after: Shanxi Kores Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 528000 The local name "Qichawei", Xinlong Industrial Zone, Dazhen Town, Nanhai District, Foshan City, Guangdong Province, self numbered 13 Applicant before: Foshan Lvtian environmental protection machinery equipment Co.,Ltd. Country or region before: China |
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