CN109437429B - Emulsion effluent treatment plant - Google Patents
Emulsion effluent treatment plant Download PDFInfo
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- CN109437429B CN109437429B CN201811347189.6A CN201811347189A CN109437429B CN 109437429 B CN109437429 B CN 109437429B CN 201811347189 A CN201811347189 A CN 201811347189A CN 109437429 B CN109437429 B CN 109437429B
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- 239000000839 emulsion Substances 0.000 title claims abstract description 71
- 238000001914 filtration Methods 0.000 claims abstract description 120
- 238000001514 detection method Methods 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 230000003647 oxidation Effects 0.000 claims abstract description 62
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 62
- 239000002351 wastewater Substances 0.000 claims abstract description 56
- 238000004062 sedimentation Methods 0.000 claims abstract description 46
- 238000005070 sampling Methods 0.000 claims abstract description 38
- 238000005189 flocculation Methods 0.000 claims abstract description 29
- 230000016615 flocculation Effects 0.000 claims abstract description 29
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 28
- 238000005345 coagulation Methods 0.000 claims abstract description 27
- 230000015271 coagulation Effects 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims abstract description 13
- 239000010802 sludge Substances 0.000 claims description 46
- 238000005192 partition Methods 0.000 claims description 33
- 238000005303 weighing Methods 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 239000010865 sewage Substances 0.000 claims description 19
- 238000001179 sorption measurement Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 238000010408 sweeping Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 2
- 239000013049 sediment Substances 0.000 abstract description 21
- 239000006228 supernatant Substances 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 241001417527 Pempheridae Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
An emulsion wastewater treatment device comprises an emulsion wastewater tank, a wastewater transition tank, a coagulation flocculation tank, a sedimentation tank, an oxidation tank, a clean water tank and a sampling detection device which are sequentially communicated; the sedimentation tank comprises a cleaning device provided with a plurality of mud removing devices, and the cleaning device is used for cleaning sediment accumulated in the inclined tube in the sedimentation tank; the oxidation pond is provided with a filtering area, and the filtering area is used for separating sediment in the oxidation pond from supernatant fluid to obtain clean water; the sampling detection device is used for detecting the water body concentration in the coagulation flocculation tank, the sedimentation tank and the oxidation tank, and is convenient for purifying the use of the medicine dosage. The invention provides an emulsion wastewater treatment device, which improves the emulsion wastewater treatment effect and ensures that the emulsion wastewater reaches the water quality requirement after being treated.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to an emulsion wastewater treatment device.
Background
The emulsion wastewater treatment is a process for enabling the emulsion wastewater to meet the water quality requirement of draining a certain water body or reusing the emulsion wastewater and purifying the water body, and the sewage treatment is widely applied to various fields of construction, agriculture, transportation, energy, petrochemical industry, environmental protection, urban landscapes, medical treatment, catering and the like. In the treatment process of wastewater, the wastewater is often subjected to treatment processes such as precipitation and oxidation in a plurality of steps, and finally water body meeting the water quality requirement is obtained, but in the treatment process, the conditions of incomplete precipitation and oxidation and incomplete water body filtration, which cause the water quality to be unsatisfactory, are often caused.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides an emulsion wastewater treatment device, which improves the emulsion wastewater treatment effect and enables the emulsion wastewater to reach the water quality requirement after being treated.
To achieve the purpose, the invention adopts the following technical scheme:
an emulsion wastewater treatment device comprises an emulsion wastewater tank, a wastewater transition tank, a coagulation flocculation tank, a sedimentation tank, an oxidation tank and a clean water tank which are sequentially communicated and arranged; the sedimentation tank comprises a cleaning device provided with a plurality of mud removing devices, the mud removing devices comprise mud removing devices, mud sweeping devices and rotating shafts, the mud removing devices comprise first rotating discs and drill bits, the first rotating discs are arranged at the bottoms of the rotating shafts, and a plurality of drill bits are arranged below the first rotating discs; the mud sweeping device comprises a second rotary table and a brush, the second rotary table is arranged in the middle of the rotating shaft, and the brush is arranged at the edge of the second rotary table;
the oxidation pond is provided with a filtering area, the filtering area comprises a first primary filtering baffle, a second primary filtering baffle, a secondary filtering baffle, a lifting filtering baffle and an activated carbon adsorption layer, the first primary filtering baffle is fixedly connected with the secondary filtering baffle by 90 degrees, the second primary filtering baffle is arranged right below the secondary filtering baffle, and the first primary filtering baffle, the second primary filtering baffle, the secondary filtering baffle and the side wall of the oxidation pond body enclose a first filtering area; the secondary filter baffle top is provided with the lift filters the baffle, the secondary filter baffle with the region that the lift filters the baffle and forms is the second filtration region, the lift filters the baffle top and is provided with the activated carbon adsorption layer, the lift filters the baffle secondary filter baffle with do elevating movement between the activated carbon adsorption layer.
Preferably, the emulsion wastewater treatment device further comprises a sampling detection device, wherein the sampling detection device comprises a sampling device and a detection device, the sampling device comprises a sampling pipeline, and the sampling pipeline is provided with a filter screen; the detection device comprises a primary detection device, the primary detection device comprises a detection barrel, a filter tank is arranged above the detection barrel, the filter tank is connected with the sampling pipeline, and a filter tank partition board is arranged between the filter tank and the detection barrel; a weighing device is arranged below the detection barrel;
the sampling detection device is respectively communicated with the coagulation flocculation tank, the sedimentation tank and the oxidation tank through the sampling pipeline;
the detection device further comprises a secondary detection device, the secondary detection device comprises a current collecting barrel, a shunt pipe and a small weighing barrel, the bottom of the current collecting barrel is connected with a plurality of shunt pipes, a plurality of small weighing barrels are placed below the shunt pipes, and a weighing device is arranged at the bottom of the weighing barrel.
Preferably, the internal space of the sedimentation tank body is divided into three areas, including a first area, a second area and a third area, wherein the first area is provided with a water inlet, the second area is provided with an inclined pipe, the third area is provided with a water outlet, and the three areas are mutually communicated;
a partition plate is arranged between the first area and the second area, the partition plate separates the upper parts of the first area and the second area, a triangular overflow weir is arranged between the second area and the third area, the triangular overflow weir divides the third area into a stepped drainage cavity, and the stepped drainage cavity is connected with the water outlet.
Preferably, the mud removing device further comprises a mud pushing plate and a controller, a connecting shaft is arranged in the middle of the lower surface of the first rotating disc, the mud pushing plate is fixed on the connecting shaft, and the drill bit is fixed on the lower surface of the first rotating disc and penetrates through the mud pushing plate;
the controller is connected with the top end of the rotating shaft and used for controlling the rotating shaft to rotate;
the diameters of the first turntable, the second turntable and the mud pushing plate are smaller than those of the inclined tube, and the diameter of the mud pushing plate is larger than those of the first turntable and the second turntable.
Preferably, the filter pore diameter of the primary filter separator is larger than that of the secondary filter separator, and the filter pore diameter of the secondary filter separator is larger than that of the lifting filter separator;
the secondary filter baffle comprises a filter shutter which can be movably opened and closed, and after the filter shutter is opened, the filter aperture of the secondary filter baffle is smaller than that of the primary filter baffle and larger than that when the filter shutter is not opened;
the filter comprises a second-stage filter partition board, wherein the second-stage filter partition board is arranged right below the second-stage filter partition board, a movable switch is arranged on the second-stage filter partition board, and after the movable switch is opened, the filter aperture of the second-stage filter partition board is larger than that of the first-stage filter partition board.
Preferably, the oxidation pond further comprises a sewage inlet area and an oxidation area, wherein the upper parts of the sewage inlet area, the oxidation area and the filtration area are separated by two baffles, the sewage inlet area is directly communicated with the lower part of the oxidation area, and the oxidation area is communicated with the lower part of the filtration area by the first-stage filtration baffle;
the stirring device is arranged in the oxidation area and comprises a stirring motor, a lifting transmission shaft and stirring heads, one end of the lifting transmission shaft is connected with the stirring motor, and a plurality of stirring heads are arranged on the lifting transmission shaft.
Preferably, the primary detection device further comprises a side flow pipe, a side flow port is formed in the wall of the detection barrel, a water inlet of the side flow pipe is communicated with the flow measuring port, and a water outlet of the side flow pipe is located above the current collecting barrel;
the water level moving line is arranged above the side flow port, and the distance from the water level moving line to the side flow port is in direct proportion to the volume of the small weighing barrel.
Preferably, the coagulation flocculation tank, the sedimentation tank and the oxidation tank are respectively communicated with the emulsion wastewater tank, the coagulation flocculation tank, the sedimentation tank and the oxidation tank are both provided with a sludge tank below, the sludge tank is provided with a sludge suction port, the sludge suction port is externally connected with a sludge pump and a sludge pipeline, and the sludge pipeline is communicated to the emulsion wastewater tank.
Preferably, the emulsion wastewater tank is provided with a raw water lifting pump and a sludge storage tank, the emulsion wastewater tank is communicated with the wastewater transition tank, the wastewater transition tank is communicated with the coagulation flocculation tank, the coagulation flocculation tank is communicated with a first area of the sedimentation tank, a third area of the sedimentation tank is communicated with a sewage inlet area of the oxidation tank, and a filtering area of the oxidation tank is communicated with the clean water tank.
Preferably, the emulsion wastewater treatment device is further provided with a plurality of dosing boxes, and demulsifiers, PAC, PAM, sulfuric acid, hydrogen peroxide, compound alkali and catalysts are respectively arranged in the dosing boxes;
the coagulation flocculation tank, the sedimentation tank and the oxidation tank are respectively provided with a dosing port, and the dosing ports are respectively communicated with the dosing tank through dosing pipelines.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an emulsion wastewater treatment device of the invention;
FIG. 2 is a schematic diagram of the overall structure of the sedimentation tank of the present invention;
FIG. 3 is a schematic view of the construction of the desliming device of the present invention;
FIG. 4 is a schematic view of the structure of the oxidation basin of the present invention;
fig. 5 is a schematic structural view of a sampling detection apparatus according to the present invention.
Wherein:
emulsion wastewater tank 1, raw water lift pump 11, sludge storage tank 12, wastewater transition tank 2, coagulation flocculation tank 3, sedimentation tank 4, desliming device 41, desliming device 411, first rotary disk 4110, drill bit 4111, desliming device 412, second rotary disk 4120, brush 4121, rotary shaft 413, mud pushing plate 414, controller 415, connecting shaft 416, first area 42, water inlet 421, second area 43, chute 431, third area 44, water outlet 441, partition 45, triangular overflow weir 46, oxidation tank 5, sewage inlet area 51, oxidation area 52, stirring motor 521, lifting drive shaft 522, stirring head 523, filtration area 53, second primary filtration partition 530, first primary filtration partition 531, secondary filtration partition 532, lifting filtration partition 533, activated carbon adsorption layer 534, baffle 54, first filtration area 55, second filtration area 56, sampling detection device 6, water level shift line 60, sampling pipe 61, filter screen 62, detection tank 63, filtration tank 64, filtration tank partition 65, weighing device 66, collector 67, shunt pipe 671, shunt pipe side stream tube 69, small pump 691, sludge pump port 68, sludge pump port 81, sludge tank port 83, sludge pump port 69, sludge pump port 83, sludge pump port 69.
Description of the embodiments
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
The emulsion wastewater treatment device of the embodiment comprises an emulsion wastewater tank 1, a wastewater transition tank 2, a coagulation flocculation tank 3, a sedimentation tank 4, an oxidation tank 5 and a clean water tank 7 which are sequentially communicated with each other as shown in fig. 1; as shown in fig. 3, the sedimentation tank 4 comprises a cleaning device provided with a plurality of mud removing devices 41, the mud removing devices 41 comprise a mud remover 411, a mud sweeper 412 and a rotating shaft 413, the mud remover 411 comprises a first rotating disc 4110 and a drill bit 4111, the first rotating disc 4110 is arranged at the bottom of the rotating shaft 413, and a plurality of drill bits 4111 are arranged below the first rotating disc 4110; the mud sweeper 412 comprises a second rotary table 4120 and a brush 4121, wherein the second rotary table 4120 is arranged in the middle of the rotary shaft 413, and the brush 4121 is arranged at the edge of the second rotary table 4120;
in this embodiment, a cleaning device is provided to clean sludge in the inclined tube 431, the cleaning device includes a plurality of sludge removing devices 41, each sludge removing device 41 corresponds to one inclined tube 431, two layers of cleaning of the sludge removing devices 41 can dredge and tighten sludge in the inclined tube 431, the first layer of cleaning uses a drill bit 4111 below a first rotating disc 4110 to primarily dredge the inclined tube 431, the rotating shaft 413 rotates to drive the drill bit 4111 to rotate, bulk sludge in the inclined tube 431 is dredged downwards, the second layer of cleaning uses the rotating shaft 413 to rotate to drive a brush 4121 on a second rotating disc 4120 to clean the wall of the inclined tube 431, and after the two layers of cleaning and dredging, the sludge stored in the inclined tube 431 can be dredged and tightened, so that normal sedimentation work of the sedimentation tank 4 is ensured.
As shown in fig. 4, the oxidation tank 5 is provided with a filtering area 53, the filtering area 53 includes a first primary filtering baffle 531, a second primary filtering baffle 530, a secondary filtering baffle 532, a lifting filtering baffle 533 and an activated carbon adsorption layer 534, the primary filtering baffle 531 is fixedly connected with the secondary filtering baffle 532 by 90 degrees, the second primary filtering baffle 530 is disposed right below the secondary filtering baffle 532, and the first primary filtering baffle 531, the second primary filtering baffle 530, the secondary filtering baffle 532 and the side wall of the oxidation tank 5 body enclose a first filtering area 55; the second stage filtering baffle 532 is provided with above the lifting filtering baffle 533, the region formed by the second stage filtering baffle 532 and the lifting filtering baffle 533 is the second filtering region 56, the active carbon adsorption layer 534 is provided above the lifting filtering baffle 533, and the lifting filtering baffle 533 performs lifting movement between the second stage filtering baffle 532 and the active carbon adsorption layer 534.
The oxidized liquid containing the sediment first passes through the first filtering area 55, when passing through the first filtering area 55, the larger sediment is filtered by the first filtering baffle 531, then filtered by the second filtering baffle 532, and enters the second filtering area 56, when passing through the second filtering baffle 532, the sediment can drop to the bottom of the first filtering area 55 due to the self weight, and the clear liquid enters the second filtering area 56 together with a little small sediment, at this time, the lifting filtering baffle 533 descends from top to bottom to squeeze the sediment, and the oxidized clear liquid is filtered by the lifting filtering baffle 533 to realize the third filtering, and then reaches the activated carbon adsorption layer 534, and the sediment can be discharged after the last filtering adsorption of the activated carbon adsorption layer 534, so as to realize the complete separation of the sediment and the clear liquid. By providing a plurality of small filter areas 53 and filter spacers 45 in the filter area 53, multiple filtration is achieved, thereby achieving separation of the precipitate from the oxidized clear liquid and reducing the influence of the precipitate on the clear liquid.
Preferably, as shown in fig. 5, the emulsion wastewater treatment device further comprises a sampling detection device 6, wherein the sampling detection device 6 comprises a sampling device and a detection device, the sampling device comprises a sampling pipeline 61, and the sampling pipeline 61 is provided with a filter screen 62; the detection device comprises a primary detection device, the primary detection device comprises a detection barrel 63, a filter tank 64 is arranged above the detection barrel 63, the filter tank 64 is connected with the sampling pipeline 61, and a filter tank partition plate 65 is arranged between the filter tank 64 and the detection barrel 63; a weighing device 66 is arranged below the detection barrel 63;
the sampling detection device 6 is respectively communicated with the coagulation flocculation tank 3, the sedimentation tank 4 and the oxidation tank 5 through the sampling pipeline 61;
the detection device further comprises a secondary detection device, the secondary detection device comprises a current collecting barrel 67, a shunt tube 671 and a small weighing barrel 68, the bottom of the current collecting barrel 67 is connected with a plurality of shunt tubes 671, a plurality of small weighing barrels 68 are placed below the shunt tubes 671, and a weighing device 66 is arranged at the bottom of the weighing barrel.
The sampling pipe 61 is provided with a filter screen 62, when the sampling pipe 61 extracts the emulsion waste water, the emulsion waste water is filtered by the filter screen 62, sediment in the extracted emulsion waste water is primarily filtered out, and then the extracted emulsion waste water flows to the detection device. The water outlet 441 of the sampling pipe 61 is communicated with a detecting device, and emulsion waste water flows from the sampling pipe 61 to the filter tank 64, is filtered by the filter tank partition 65, and flows into the detecting barrel 63 as a sampling. The weighing device 66 below the detection barrel 63 is used for weighing the mass of the emulsion wastewater in the detection barrel 63.
The side flow pipe 69 will be directed to the collector tank 67, the collector tank 67 stores a certain amount of emulsion waste water sample, and the emulsion waste water in the collector tank 67 will flow into the small weighing tank 68 through the shunt pipe 671, and is weighed by the weighing device 66 below the small weighing tank 68.
Preferably, as shown in fig. 2, the internal space of the sedimentation tank 4 is divided into three areas, including a first area 42, a second area 43 and a third area 44, the first area 42 is provided with a water inlet 421, the second area 43 is provided with an inclined pipe 431, the third area 44 is provided with a water outlet 441, and the three areas are mutually communicated;
a partition 45 is disposed between the first area 42 and the second area 43, the partition 45 separates upper portions of the first area 42 and the second area 43, a triangular overflow weir 46 is disposed between the second area 43 and the third area 44, the triangular overflow weir 46 divides the third area 44 into a stepped drainage cavity, and the stepped drainage cavity is connected with the water outlet 441.
The sedimentation tank 4 is divided into three areas, the first area 42 is a sewage inlet 421, sewage enters from the upper part of the first area 42 and flows to the lower part of the first area 42, and as the three areas are mutually communicated, the sewage is precipitated by the inclined pipe 431 of the second area 43 after entering the sedimentation tank 4, and the supernatant flows out from the upper part of the inclined pipe 431, overflows into the stepped drainage cavity in the third area 44 through the triangular overflow weir 46 and is discharged from the water outlet 441.
The baffle 45 is used to prevent the ingress of sewage from the first region 42 to above the down tube 431, which may result in contamination above the down tube 431.
Preferably, as shown in fig. 3, the mud removing device 41 further includes a mud pushing plate 414 and a controller 415, a connecting shaft 416 is disposed in the middle of the lower surface of the first rotating disc 4110, the mud pushing plate 414 is fixed on the connecting shaft 416, and the drill bit 4111 is fixed on the lower surface of the first rotating disc 4110 and penetrates through the mud pushing plate 414;
the controller 415 is connected to the top end of the rotating shaft 413, and is used for controlling the rotating shaft 413 to rotate;
the diameters of the first rotating disk 4110, the second rotating disk 4120 and the mud pushing disk 414 are smaller than the diameter of the inclined pipe 431, and the diameter of the mud pushing disk 414 is larger than the diameters of the first rotating disk 4110 and the second rotating disk 4120.
When the mud pushing plate 414 is used for rotating the first rotating disc 4110 and driving the drill bit 4111 to rotate, the loosened mud is pushed down from the inclined tube 431, and the mud on the wall of the inclined tube 431 is cleaned by rotating the brush 4121 of the second rotating disc 4120.
The diameters of the first rotating disc 4110, the second rotating disc 4120 and the mud pushing plate 414 are smaller than those of the inclined tube 431, so that the mud entering the mud removing device 41 conveniently enters the inclined tube 431 for cleaning, and the diameter of the mud pushing plate 414 is larger than that of the first rotating disc 4110 and the second rotating disc 4120, so that the mud in the inclined tube 431 is pushed down as much as possible.
Preferably, the first primary filter separator 531 has a larger filter pore size than the secondary filter separator 532, and the secondary filter separator 532 has a larger filter pore size than the elevation filter separator 533;
the secondary filter partition 532 includes a filter shutter that can be opened and closed, and after the filter shutter is opened, the filter aperture of the secondary filter partition 532 is smaller than the filter aperture of the first primary filter partition 531 and larger than the filter aperture when the filter shutter is not opened;
the second stage filtering baffle 530 is arranged right below the second stage filtering baffle 532, the second stage filtering baffle 530 is provided with a filtering shutter which can be opened and closed, and after the filtering shutter is opened, the filtering aperture of the second stage filtering baffle 530 is larger than that of the first stage filtering baffle 531.
The first primary filter baffle 531 has a large filter aperture, can primarily filter out massive sediment, the second filter baffle 532 has a smaller filter aperture, can filter out small sediment, the lifting filter baffle 533 has a filter aperture capable of filtering out smaller sediment, and finally the active carbon adsorption layer 534 can adsorb out last impurity, so that clear liquid and sediment are completely separated, and the standard of emulsion wastewater treatment is reached. In the third filtering, since the lifting filter membrane 533 extrudes the precipitate from top to bottom, the precipitate is accumulated in the space between the lifting filter membrane 533 and the second filter membrane 532, if the space is not cleaned, the filtering degree is affected, and the precipitate can block the second filter membrane 532, so that the first filter region 55 to the second filter region 56 cannot be normally filtered, and therefore, the filter louvers are designed, and the precipitate is sent back to the first filter region 55 through the opened filter louvers.
After the filtering louvers of the secondary filtering baffle 532 are opened, the sediment in the second filtering area 56 is squeezed into the first filtering area 55, and if the sediment in the first filtering area 55 is not discharged in time, the sediment is accumulated in the first filtering area 55, so that the first filtering area 55 cannot be filtered normally.
Preferably, as shown in fig. 4, the oxidation tank 5 further includes a sewage inlet area 51 and an oxidation area 52, the upper parts of the sewage inlet area 51, the oxidation area 52 and the filtration area 53 are separated by two baffles 54, the sewage inlet area 51 is directly communicated with the lower part of the oxidation area 52, and the oxidation area 52 is communicated with the lower part of the filtration area 53 by the first-stage filtration partition 531;
the oxidation area 52 is internally provided with a stirring device, the stirring device comprises a stirring motor 521, a lifting transmission shaft 522 and stirring heads 523, one end of the lifting transmission shaft 522 is connected with the stirring motor 521, and the lifting transmission shaft 522 is provided with a plurality of stirring heads 523.
Stirring device who sets up in the oxidation zone 52 can be through the liquid in the stirring oxidation zone 52 for liquid and medicine fully react, accelerate oxidation efficiency, set up lift transmission shaft 522 and a plurality of stirring head 523 simultaneously, through lift stirring head 523, make stirring head 523 can stir the liquid in more spaces, fully guarantee the efficiency of oxidation.
Preferably, the primary detection device further comprises a side flow pipe 69, a side flow port 691 is formed on the wall of the detection barrel 63, a water inlet 421 of the side flow pipe 69 is communicated with the side flow port, and a water outlet 441 of the side flow pipe 69 is located above the collecting barrel 67;
the wall of the detection barrel 63 is further provided with a water level moving line 60, the water level moving line 60 can move up and down along the wall of the detection barrel 63, the water level moving line 60 is arranged above the side flow port 691, and the distance from the water level moving line 60 to the side flow port 691 is proportional to the volume of the small weighing barrel 68.
When the emulsion waste water in the detection barrel 63 exceeds the side flow port 691, the emulsion waste water sample flows out from the side flow port 691, flows into the collecting barrel 67 through the side flow pipe 69, when the amount of the emulsion waste water sample is lower than the side flow port 691, the emulsion waste water in the detection barrel 63 does not flow into the collecting barrel 67, so that a water displacement line 60 is arranged, the volume between the water displacement line 60 and the side flow port 691 is the amount flowing into the collecting barrel 67, and the small weighing barrel 68 needs how much sample emulsion waste water, the water displacement line 60 is arranged, and automatic water cut-off is realized by utilizing the water level difference.
Preferably, the coagulation flocculation tank 3, the sedimentation tank 4 and the oxidation tank 5 are respectively communicated with the emulsion wastewater tank 1, the coagulation flocculation tank 3, the sedimentation tank 4 and the oxidation tank 5 are all provided with a sludge tank 8 below, the sludge tank 8 is provided with a sludge suction port 81, the sludge suction port 81 is externally connected with a sludge pump 82 and a sludge pipeline 83, and the sludge pipeline 83 is communicated with the emulsion wastewater tank 1.
In the process of coagulation flocculation tank 3, sedimentation tank 4 and oxidation tank 5, there are sludge sediments formed by these reactions in each tank, these sludge sediments are discharged into sludge tank 8 together with the liquid in each tank, pumped by sludge pump 82, passed through sludge pipeline 83, flowed into sludge storage tank 12, finally flowed into emulsion wastewater tank 1, realizing recycling and maximum treatment.
Preferably, as shown in fig. 1, the emulsion wastewater tank 1 is provided with a raw water lifting pump 11 and a sludge storage tank 12, the emulsion wastewater tank 1 is communicated with the wastewater transition tank 2, the wastewater transition tank 2 is communicated with the coagulation flocculation tank 3, the coagulation flocculation tank 3 is communicated with the first area 42 of the sedimentation tank 4, the third area 44 of the sedimentation tank 4 is communicated with the sewage inlet area 51 of the oxidation tank 5, and the filtering area 53 of the oxidation tank 5 is communicated with the clean water tank 7.
Preferably, the emulsion wastewater treatment device is further provided with a plurality of dosing boxes 9, and demulsifiers, PAC, PAM, sulfuric acid, hydrogen peroxide, complex alkali and catalysts are respectively arranged in the dosing boxes 9;
the coagulation flocculation tank 3, the sedimentation tank 4 and the oxidation tank 5 are respectively provided with a dosing port 91, and the dosing ports 91 are respectively communicated with the dosing tank 9 through dosing pipelines.
The working principle of the device is as follows:
firstly, an operator pours emulsion wastewater to be purified into an emulsion wastewater tank 1, the emulsion wastewater is pumped from the emulsion wastewater tank 1 to a wastewater transition tank 2 for storage by a raw water lifting pump 11, the wastewater transition tank 2 flows the emulsion wastewater into a coagulation flocculation tank 3, in the coagulation flocculation tank 3, a reagent adding box 9 is added with reagents such as demulsifier, flocculant and the like through a reagent adding port 91 for preliminary coagulation flocculation treatment, the emulsion wastewater is coagulated into sludge sediment and preliminary clear liquid, the preliminary clear liquid flows into a sedimentation tank 4 through a first area 42 of the sedimentation tank 4 for sedimentation in the sedimentation tank 4, the reagent adding box 9 also adds the reagent into the interior in the sedimentation process, the sludge sediment obtained by sedimentation is pumped and recycled through a sludge tank 8, the supernatant flows into a sewage inlet area 51 of an oxidation tank 5 through a third area 44 of the sedimentation tank 4 and is oxidized in an oxidation area 52, water obtained by filtration is filtered in a filtration area 53 and flows into a clear water tank 7 for inspection, and whether the water quality requirements are met or not is judged;
in the continuous purification process, in order to ensure that the dosing tank 9 can accurately add the correct dosage and ensure that the water body obtained by final purification meets the requirements, the sampling detection device 6 samples the concentration of the water body from the coagulation flocculation tank 3, the sedimentation tank 4 and the oxidation tank 5 respectively, and the dosage is continuously adjusted according to the detection result, so that the purified water body meets the requirements.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (10)
1. An emulsion effluent treatment plant, characterized by: the emulsion wastewater treatment device comprises an emulsion wastewater tank, a wastewater transition tank, a coagulation flocculation tank, a sedimentation tank, an oxidation tank and a clean water tank which are sequentially communicated and arranged; the sedimentation tank comprises a cleaning device provided with a plurality of mud removing devices, the mud removing devices comprise mud removing devices, mud sweeping devices and rotating shafts, the mud removing devices comprise first rotating discs and drill bits, the first rotating discs are arranged at the bottoms of the rotating shafts, and a plurality of drill bits are arranged below the first rotating discs; the mud sweeping device comprises a second rotary table and a brush, the second rotary table is arranged in the middle of the rotating shaft, and the brush is arranged at the edge of the second rotary table;
the oxidation pond is provided with a filtering area, the filtering area comprises a first primary filtering baffle, a second primary filtering baffle, a secondary filtering baffle, a lifting filtering baffle and an activated carbon adsorption layer, the first primary filtering baffle is fixedly connected with the secondary filtering baffle by 90 degrees, the second primary filtering baffle is arranged right below the secondary filtering baffle, and the first primary filtering baffle, the second primary filtering baffle, the secondary filtering baffle and the side wall of the oxidation pond body enclose a first filtering area; the lifting filter partition plate is arranged above the secondary filter partition plate, a second filter area is formed by the secondary filter partition plate and the lifting filter partition plate, the activated carbon adsorption layer is arranged above the lifting filter partition plate, and the lifting filter partition plate performs lifting movement between the secondary filter partition plate and the activated carbon adsorption layer;
the emulsion wastewater treatment device also comprises a sampling detection device, wherein the sampling detection device comprises a sampling device and a detection device, the sampling device comprises a sampling pipeline, and the sampling pipeline is provided with a filter screen; the detection device comprises a primary detection device, the primary detection device comprises a detection barrel, a filter tank is arranged above the detection barrel, the filter tank is connected with the sampling pipeline, and a filter tank partition board is arranged between the filter tank and the detection barrel; and a weighing device is arranged below the detection barrel.
2. An emulsion waste water treatment apparatus as claimed in claim 1, wherein:
the sampling detection device is respectively communicated with the coagulation flocculation tank, the sedimentation tank and the oxidation tank through the sampling pipeline;
the detection device further comprises a secondary detection device, the secondary detection device comprises a current collecting barrel, a shunt pipe and a small weighing barrel, the bottom of the current collecting barrel is connected with a plurality of shunt pipes, a plurality of small weighing barrels are placed below the shunt pipes, and a weighing device is arranged at the bottom of the weighing barrel.
3. An emulsion waste water treatment apparatus as claimed in claim 1, wherein:
the internal space of the sedimentation tank body is divided into three areas, including a first area, a second area and a third area, wherein the first area is provided with a water inlet, the second area is provided with an inclined pipe, the third area is provided with a water outlet, and the three areas are mutually communicated;
a partition plate is arranged between the first area and the second area, the partition plate separates the upper parts of the first area and the second area, a triangular overflow weir is arranged between the second area and the third area, the triangular overflow weir divides the third area into a stepped drainage cavity, and the stepped drainage cavity is connected with the water outlet.
4. An emulsion waste water treatment apparatus as claimed in claim 3, wherein:
the mud removing device further comprises a mud pushing plate and a controller, a connecting shaft is arranged in the middle of the lower surface of the first rotating disc, the mud pushing plate is fixed on the connecting shaft, and the drill bit is fixed on the lower surface of the first rotating disc and penetrates through the mud pushing plate;
the controller is connected with the top end of the rotating shaft and used for controlling the rotating shaft to rotate;
the diameters of the first turntable, the second turntable and the mud pushing plate are smaller than those of the inclined tube, and the diameter of the mud pushing plate is larger than those of the first turntable and the second turntable.
5. An emulsion waste water treatment apparatus as claimed in claim 3, wherein:
the filtering pore diameter of the primary filtering baffle is larger than that of the secondary filtering baffle, and the filtering pore diameter of the secondary filtering baffle is larger than that of the lifting filtering baffle;
the secondary filter baffle comprises a filter shutter which can be movably opened and closed, and after the filter shutter is opened, the filter aperture of the secondary filter baffle is smaller than that of the primary filter baffle and larger than that when the filter shutter is not opened;
the second-stage filtering baffle is provided with a filtering shutter with a movable switch, and after the filtering shutter is opened, the filtering aperture of the second-stage filtering baffle is larger than that of the first-stage filtering baffle.
6. An emulsion waste water treatment apparatus as claimed in claim 3, wherein:
the oxidation pond further comprises a sewage inlet area and an oxidation area, wherein the upper parts of the sewage inlet area, the oxidation area and the filtration area are separated by two baffles, the sewage inlet area is directly communicated with the lower part of the oxidation area, and the oxidation area is communicated with the lower part of the filtration area by the first-stage filtration baffle;
the stirring device is arranged in the oxidation area and comprises a stirring motor, a lifting transmission shaft and stirring heads, one end of the lifting transmission shaft is connected with the stirring motor, and a plurality of stirring heads are arranged on the lifting transmission shaft.
7. An emulsion waste water treatment apparatus as claimed in claim 2, wherein:
the primary detection device further comprises a side flow pipe, a side flow port is formed in the wall of the detection barrel, a water inlet of the side flow pipe is communicated with the side flow port, and a water outlet of the side flow pipe is positioned above the current collecting barrel;
the water level moving line is arranged on the barrel wall of the detection barrel, the water level moving line moves up and down along the barrel wall of the detection barrel, the water level moving line is arranged above the side flow port, and the distance from the water level moving line to the side flow port is in direct proportion to the volume of the small weighing barrel.
8. An emulsion waste water treatment apparatus as claimed in claim 1, wherein:
the coagulation flocculation tank, the sedimentation tank and the oxidation tank are respectively communicated with the emulsion wastewater tank, the coagulation flocculation tank, the sedimentation tank and the oxidation tank are both provided with a sludge tank below, the sludge tank is provided with a sludge pumping port, the sludge pumping port is externally connected with a sludge pump and a sludge pipeline, and the sludge pipeline is communicated to the emulsion wastewater tank.
9. An emulsion waste water treatment apparatus as claimed in claim 6, wherein:
the emulsion wastewater tank is provided with raw water lifting pump and mud accumulator tank, the emulsion wastewater tank with wastewater transition pond intercommunication, wastewater transition pond with coagulate flocculation tank intercommunication, coagulate flocculation tank with the first region of sedimentation tank communicates each other, the third region of sedimentation tank with the sewage entering region of oxidation tank communicates each other, the filtration region of oxidation tank with clean water basin communicates each other.
10. An emulsion waste water treatment apparatus as claimed in claim 1, wherein:
the emulsion wastewater treatment device is also provided with a plurality of dosing boxes, and demulsifiers, PAC, PAM, sulfuric acid, hydrogen peroxide, compound alkali and catalysts are respectively arranged in the dosing boxes;
the coagulation flocculation tank, the sedimentation tank and the oxidation tank are respectively provided with a dosing port, and the dosing ports are respectively communicated with the dosing tank through dosing pipelines.
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| CN201811347189.6A CN109437429B (en) | 2018-11-13 | 2018-11-13 | Emulsion effluent treatment plant |
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| CN201811347189.6A CN109437429B (en) | 2018-11-13 | 2018-11-13 | Emulsion effluent treatment plant |
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| CN109437429B true CN109437429B (en) | 2023-12-29 |
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| CN110240210A (en) * | 2019-06-21 | 2019-09-17 | 安徽国兰智能科技有限公司 | A kind of water resource intelligent circulation utilizes equipment and its working method |
| CN111871015A (en) * | 2020-06-30 | 2020-11-03 | 宁波碧源供水有限公司 | Sludge discharge and precipitation equipment with auxiliary inclined pipes |
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