CN204981291U - Clarifier - Google Patents
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- CN204981291U CN204981291U CN201520701623.1U CN201520701623U CN204981291U CN 204981291 U CN204981291 U CN 204981291U CN 201520701623 U CN201520701623 U CN 201520701623U CN 204981291 U CN204981291 U CN 204981291U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 238000005352 clarification Methods 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000005189 flocculation Methods 0.000 claims abstract description 45
- 230000016615 flocculation Effects 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 239000010802 sludge Substances 0.000 claims description 82
- 238000002156 mixing Methods 0.000 claims description 49
- 238000005273 aeration Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 22
- 239000000945 filler Substances 0.000 claims description 18
- 239000000701 coagulant Substances 0.000 claims description 16
- 239000003513 alkali Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 230000001413 cellular effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005345 coagulation Methods 0.000 abstract description 8
- 230000015271 coagulation Effects 0.000 abstract description 8
- 239000013049 sediment Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 description 18
- 230000008569 process Effects 0.000 description 13
- 239000008394 flocculating agent Substances 0.000 description 9
- 238000004062 sedimentation Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000000368 destabilizing effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model provides a clarifier. This clarifier uses active mud sediment and carries out the operation of clarification water, and this clarifier includes: hybrid channel, hybrid channel are used for the input to treat clarification water, and treat that clarification water and active mud sediment mix in the hybrid channel, the flocculation passageway, the flocculation passageway is linked together with the hybrid channel, overflow the passageway, overflow the passageway and be linked together with the flocculation passageway, clarification chamber, clarification chamber are located the top that overflows the passageway, and clarification chamber and overflow passageway intercommunication, wherein, are equipped with solid -liquid separation among the clarification chamber and pack. The utility model discloses a clarifier can solve the problem that has complex operation in the current clarifier technique, has realized that clarifier treats the clarification water coagulation, the flocculation effect is better and simple to clarifier's operation management.
Description
Technical Field
The utility model relates to a water purification treatment field particularly, relates to a clarification tank.
Background
The principle of water purification of the clarification tank is that high-concentration active sludge accumulated in the tank is contacted, adsorbed and polymerized with impurity particles in water to be clarified to form flocs which are easier to precipitate and separate, and then solid-liquid separation is completed through precipitation to obtain clean water. Therefore, the clarification tank is a multifunctional tank-type structure which completes a plurality of physical and chemical processes such as mixing, flocculation, sedimentation separation and the like in the tank body.
The clarification tank can be divided into a circulating sludge type (backflow) and a suspended sludge type (sludge filtration) according to the contact condition of sewage and sludge in the tank. Wherein, the circulation (reflux) sludge type clarification tank can be divided into a mechanical stirring clarification tank and a hydraulic circulation clarification tank; the suspended sludge (sludge filtration) type clarification tank can be divided into a suspended clarification tank and a pulse clarification tank.
The mechanical stirring clarification tank has the advantages of high treatment efficiency, stable operation and strong adaptability to the change of the turbidity, the temperature and the treated water quantity of input water to be clarified, but has the defects of relatively complex structure, complex daily management of equipment, large maintenance workload and relatively high energy consumption.
The hydraulic circulation clarification tank has the advantages of simple structure and small equipment maintenance amount, but the input water to be clarified needs a higher water head, and the adaptability to the turbidity, the temperature and the water quantity change of the water to be clarified is poor.
The suspension clarification tank has a simpler structure and lower manufacturing cost, but the area of a single tank is limited, and the suspension clarification tank is sensitive to the change of the water quantity and the water temperature of input water to be clarified, the dosage in the clarification process and the like.
The pulse clarification tank has the advantages of high clarification efficiency, full utilization of the tank body and the like, but has poor adaptability to the water quantity and the water temperature of input water to be clarified. When a vacuum type pulse generation mode is selected, the operation management requirement of the pulse clarification tank is relatively high; when a siphon type pulse generation mode is selected, the head loss is large, and the pulse period is difficult to control.
The existing clarification tank has the problems of complex operation, high energy consumption or unstable effluent quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a clarification tank to solve the loaded down with trivial details operation that exists among the current clarification tank technique, the energy consumption is higher and go out the problem that water quality of water is stable inadequately, the utility model discloses a lower energy consumption of clarification tank application can realize that the clarification tank possesses stable condensation, flocculation, clarification effect and active sludge backflow, and operation management is simple and convenient moreover.
In order to achieve the above object, an embodiment of the present invention provides a clarifier, which uses active sludge to perform clarified water operation, including: the mixing channel is used for inputting water to be clarified, and the water to be clarified and the active sludge are mixed in the mixing channel; the flocculation channel is communicated with the mixing channel; the overflowing channel is communicated with the flocculation channel; and the clarifying chamber is positioned above the overflowing channel and is communicated with the overflowing channel, and solid-liquid separation filler is arranged in the clarifying chamber.
Further, the clarifier also includes: the pneumatic circulation chamber is communicated with the mixing channel and the overflowing channel; wherein, the pneumatic circulating chamber is provided with an aeration device which directionally conveys the active sludge in the overflowing channel to the mixing channel.
Further, the clarifier also includes: the output end of the acid liquor dosing pipeline extends into the pneumatic circulating chamber; an alkali liquor feeding pipeline, wherein the output end of the alkali liquor feeding pipeline extends into the pneumatic circulating chamber.
Further, the clarifier also includes: the first stirring device is arranged in the mixing channel; a coagulant adding pipeline, wherein the output end of the coagulant adding pipeline extends into the mixing channel, and the coagulant added by the coagulant adding pipeline is mixed with water to be clarified and activated sludge by a first stirring device to form destabilized mixed liquid.
Further, the clarifier also includes: the second stirring device is arranged in the flocculation channel; and the output end of the flocculating agent feeding pipeline extends into the flocculation channel, and the flocculating agent fed into the flocculating agent feeding pipeline is mixed with the destabilized mixed liquid by the second stirring device to form a mixed liquid to be clarified.
Further, the clarifier also includes: the sludge concentration chamber is arranged between the flocculation channel and the overflowing channel, and is communicated with the flocculation channel and the overflowing channel.
Further, the bottom of the sludge concentration chamber is lower than the bottom of the overflowing channel, and the bottom of the sludge concentration chamber is lower than the bottom of the flocculation channel.
Further, the clarifier also includes: the scum removing device is arranged between the sludge concentration chamber and the overflowing channel to remove scum in water; and the slag discharging pipeline is connected with the scum removing device to discharge scum.
Further, the clarifier also includes: the clarifying chamber is provided with a plurality of clarifying water collecting grooves, the clarifying water collecting grooves are positioned at the upper part of the clarifying chamber and are arranged above the solid-liquid separation filler side by side, the clarifying water collecting grooves are used for collecting clarifying water in the clarifying chamber, and the clarifying water collecting grooves are provided with water outlet ends; the total production water tank is communicated with the water outlet ends of the multiple clear water collecting tanks, and the total production water tank outputs clear water through a water production water outlet pipeline arranged on the total production water tank.
Further, the clarifier also includes: the solid-liquid separation filler is arranged in the clarifying chamber in a cellular mode through the partition plates, and the solid-liquid separation filler extends out of one end, facing the overflowing channel, of the partition plates.
Use the technical scheme of the utility model, this clarification tank is including the mixing channel that communicates in proper order, the flocculation channel, overflow passageway and clarification chamber, treat that clarified water input mixing channel carries out the intensive mixing with active sludge and coagulation agent, and take place the condensation reaction and form destabilizing mixed liquid, carry out abundant flocculation with flocculation agent again in the flocculation channel, polymerization forms and treats clarification mixed liquid, treat that clarification mixed liquid gets into and overflows the passageway, the play water that overflows in the passageway need flow through clarification chamber and through the clarification process of solid-liquid separation filler, thereby treat clarification mixed liquid and accomplish solid-liquid separation in the clarification chamber and obtain clarified water, the solid floccule that is got back to again and overflows the passageway and form active sludge mixed liquid with recycling active sludge mixed liquid by precipitation. The clarification tank has simple and compact structure, simple and convenient operation and management and stable and reliable clarification effect.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic top view of an embodiment of a clarifier according to the invention; and
fig. 2 shows a schematic sectional structure view of a-a of fig. 1.
Wherein the figures include the following reference numerals:
10. a mixing channel; 11. a first stirring device;
12. a coagulant adding pipeline; 13. an input water pipeline;
20. a flocculation channel; 21. a second stirring device;
22. a flocculating agent feeding pipeline; 30. an overflow channel;
40. a clarification chamber; 50. solid-liquid separation filler;
501. a partition plate; 60. a pneumatic circulation chamber;
61. an aeration device; 62. an acid liquor feeding pipeline;
63. an alkali liquor feeding pipeline; 601. a gas supply line;
70. a sludge concentration chamber; 81. a scum removing device;
82. a slag discharge pipeline; 91. a clear water collection tank;
92. a total production water tank; 920. a water production outlet pipeline;
100. a clear water layer; 701. a sludge discharge pipeline.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The dashed line in fig. 2 indicates the dividing line between the transfer channel 30 and the fining chamber 40.
As shown in fig. 1 and 2, the embodiment of the present invention provides a clarification tank using active sludge for clear water operation, which includes a mixing channel 10, a flocculation channel 20, an overflow channel 30 and a clarification chamber 40. In the embodiment, the mixing channel 10 is used for inputting water to be clarified, that is, the water to be clarified is input into the mixing channel 10 from the water input pipeline 13, the water to be clarified and active sludge are mixed in the mixing channel 10, the flocculation channel 20 is communicated with the mixing channel 10, the overflowing channel 30 is communicated with the flocculation channel 20, the clarification chamber 40 is positioned above the overflowing channel 30, and the solid-liquid separation filler 50 is arranged in the clarification chamber 40.
Inputting the water to be clarified into the mixing channel 10 to be fully mixed with the active sludge and the coagulating agent, and generating a coagulation reaction to form a destabilized mixed liquid, then performing full flocculation and polymerization reaction with the flocculating agent in the flocculation channel 20 to form a mixed liquid to be clarified, enabling the mixed liquid to enter the overflowing channel 30, enabling the water outlet in the overflowing channel 30 to flow through the clarifying chamber 40 and undergo a clarifying process of solid-liquid separation filler, completing solid-liquid separation of the mixed liquid to be clarified in the clarifying chamber 40 to obtain clarified water, returning the solid floccules separated by precipitation to the overflowing channel 30 again, forming an active sludge mixed liquid, and enabling the mixed liquid to enter the next circulation to be clarified again, so that the recycling of the active sludge is realized. Because the mixing channel 10 and the flocculation channel 20 of this clarifier encircle the setting of clarification chamber 40 in order, and overflow channel 30 is located the below of clarification chamber 40, therefore this clarifier simple structure is compact, uses the operating mode of circulation clarification to make operation management simple and convenient to the clarification effect of clarifier is reliable and stable.
In order to be able to better to overflowing treating in the passageway 30 and clarify the mixed liquid and carry out clarification effect, set up solid-liquid separation filler 50 in the clarification chamber 40 to the adoption includes that a plurality of division boards 501 set up in clarification chamber 40 the utility model discloses in, a plurality of division boards 501 are installed solid-liquid separation filler 50 divisions, and division board 501's orientation overflows passageway 30 one end and stretches out solid-liquid separation filler. After the mixed liquid to be clarified flows into the clarifying chamber 40 from the overflow channel 30, under the condition that the hydraulic conditions are met, a layer of sludge suspension layer can be formed on part of the flocs in the mixed liquid to be clarified near the lower surface of the solid-liquid separation filler 50, namely the sludge suspension layer is positioned in the clarifying chamber 40 and is formed in a space formed by one end of the partition plate 501 extending out of the solid-liquid separation filler 50. Smaller flocs in the mixed liquid to be clarified can be effectively filtered in the sludge suspension layer, so that the clarification effect is enhanced.
In this embodiment, the clarifier further includes a pneumatic circulation chamber 60, the pneumatic circulation chamber 60 is communicated with the mixing channel 10, and the pneumatic circulation chamber 60 is communicated with the overflow channel 30, the solid flocs precipitated and separated in the clarifier chamber 40 are returned to the overflow channel 30 again to form an active sludge mixed liquid and flow into the pneumatic circulation chamber 60 (to ensure the circulation flow of the active sludge and the flushing effect of the water flow in the overflow channel, it should be ensured that the horizontal flow rate of the mixed liquid to be clarified in the overflow channel 30 is controlled between 0.3m/s and 0.5 m/s), and an aeration device 61 disposed in the pneumatic circulation chamber 60 performs aeration through the gas input through the gas supply pipeline 601 to circularly and directionally convey the active sludge mixed liquid to the mixing channel 10, so that the active sludge in the clarifier can be recycled. The liquid level between the pneumatic circulation chamber 60 and the mixing channel 10 is different, when the aeration device 61 is in the aeration process, the liquid level in the pneumatic circulation chamber 60 rises, and the active sludge mixed liquid directionally flows into the mixing channel 10 to be fully mixed with the water to be clarified and the coagulant.
When the pH value of the input water to be clarified cannot meet the clarification operation requirement, in order to obtain a proper pH value, namely a proper pH value, the clarification tank further comprises an acid liquor dosing pipeline 62 and an alkali liquor dosing pipeline 63, the optimal position of the output end of the acid liquor dosing pipeline 62 extends into the pneumatic circulating chamber 60, the optimal position of the output end of the alkali liquor dosing pipeline 63 extends into the pneumatic circulating chamber 60, and the acid liquor dosing pipeline 62 and the alkali liquor dosing pipeline 63 are positioned above the aeration device 61. When the pH value of the water to be clarified which is input into the mixing channel 10 is too low, adding alkali liquor into the pneumatic circulating chamber 60 through an alkali liquor dosing pipeline 63, continuously and circularly conveying the mixed liquor in the alkaline pneumatic circulating chamber 60 into the mixing channel 10 to be mixed with the water to be clarified so as to ensure the optimal coagulation pH value condition of the water to be clarified; when the pH value of the water to be clarified which is input into the mixing channel 10 is too high, acid liquor is added into the pneumatic circulation chamber 60 through the acid liquor feeding pipeline 62, and the mixed liquor in the acidic pneumatic circulation chamber 60 is continuously and circularly conveyed into the mixing channel 10 to be mixed with the water to be clarified so as to ensure the optimal coagulation pH value condition of the water to be clarified. The pH value of the water to be clarified is adjusted to obtain the optimal coagulation pH value condition, so that the negative influence caused by over-concentration of the local pH value in the mixing channel 10 can be effectively avoided, and the coagulation reaction effect of the water to be clarified in the mixing channel 10 is facilitated. In addition, the acid solution adding pipeline 62 and the alkali solution adding pipeline 63 can also be arranged in the mixing channel 10 to directly neutralize the input water to be clarified, but the effect is not as good as that achieved by being arranged in the pneumatic circulating chamber 60. The acid liquor feeding pipeline 62 and the alkali liquor feeding pipeline 63 are arranged in the pneumatic circulating chamber 60, so that the effective space of the clarification tank can be fully utilized, and the main function is to effectively mix and dilute the acid liquor or the alkali liquor in the pneumatic circulating chamber 60 by utilizing the aeration power provided by the aeration device 61 in the pneumatic circulating chamber 60.
In this embodiment, the clarification tank includes a first stirring device 11 and a coagulant adding pipeline 12, the first stirring device 11 is disposed in the mixing channel 10, an output end of the coagulant adding pipeline 12 extends into the mixing channel 10, the coagulant added by the coagulant adding pipeline 12 is fully mixed with the water to be clarified and the active sludge by the first stirring device 11, a coagulation reaction is performed to form destabilized mixed liquid, and then the destabilized mixed liquid flows into a subsequent flocculation channel 20. In the embodiment of the present invention, the first stirring device 11 may be a mechanical stirrer, or an aeration pipeline installed in the mixing channel 10, and the aeration power generated by aeration through the aeration pipeline performs effective tumbling mixing on the clarified water and the coagulant.
In this embodiment, the clarification tank further includes a second stirring device 21 and a flocculant adding pipeline 22, the second stirring device 21 is disposed in the flocculation channel 20, an output end of the flocculant adding pipeline 22 extends into the flocculation channel 20, and the second stirring device 21 sufficiently mixes the flocculant added by the flocculant adding pipeline 22 with the destabilized mixed liquid formed in the mixing channel 10. Adding a flocculating agent into the destabilized mixed liquid through a flocculating agent adding pipeline 22, and stirring by a second stirring device 21 to ensure that the destabilized mixed liquid formed in the mixing channel 10 and the flocculating agent are subjected to full flocculation and polymerization reaction to form a mixed liquid with large floc individual to be clarified so as to realize precipitation separation in the subsequent process. In the embodiment of the present invention, the second stirring device 21 may be a mechanical stirrer or an aeration pipeline installed in the flocculation channel 20, and the aeration power generated by aeration through the aeration pipeline is right for the destabilizing mixed liquid and the flocculating agent to perform effective rolling mixing.
In addition, in order to ensure that the destabilized mixed liquid in the mixing channel 10 and the mixed liquid to be clarified in the flocculation channel 20 do not prematurely settle and clog the channels in the mixing channel 10 and the flocculation channel 20, the horizontal flow rate in the mixing channel 10 and the flocculation channel 20 should be controlled to be 0.3m/s or more.
As shown in fig. 1 and 2, in order to completely discharge excessive settled sludge that is continuously formed out of the clarifier, the clarifier of the present embodiment further includes a sludge concentrating chamber 70, the sludge concentrating chamber 70 is disposed between the flocculation channel 20 and the overflow channel 30, and the sludge concentrating chamber 70 is communicated with both the flocculation channel 20 and the sludge concentrating chamber 70 with the overflow channel 30. The particles with better sedimentation performance formed in the flocculation channel 20 will firstly sediment in the sludge concentration chamber 70, and the particles which are not sedimented will flow into the overflow channel 30 along with the mixed liquid to be clarified, and will continue to aggregate and sediment in the solid-liquid separation filler 50. Preferably, the bottom of the sludge concentration chamber 70 is lower than the bottom of the overflow path 30, and the bottom of the sludge concentration chamber 70 is lower than the bottom of the flocculation channel 20. Thus, the particulate matters with better sedimentation performance are further concentrated in the sludge concentration chamber 70 after being precipitated in the sludge concentration chamber 70, so that the sludge discharge volume is reduced, the subsequent sludge dewatering treatment is facilitated, and the precipitated sludge is discharged through the sludge discharge pipeline 701.
Specifically, the clarifier further comprises a scum removing device 81 and a scum discharging pipeline 82, wherein the scum removing device 81 is arranged between the sludge concentration chamber 70 and the overflowing channel 30 to remove scum on water, in the embodiment, the height of a communication opening between the sludge concentration chamber 70 and a chamber provided with the scum removing device 81 is higher than that of a communication opening between the chamber and the overflowing channel 30, scum is floated on water surface in the process that water to be clarified flows to the overflowing channel 30 from the sludge concentration chamber 70, and the liquid level in the sludge concentration chamber 70 is higher than that of the communication opening between the chamber and the overflowing channel 30, so that the scum removing device 81 is arranged near the water surface to clean the scum. And, a scum discharging line 82 is connected to the scum removing apparatus 81 to discharge scum.
As shown in fig. 2, when the mixed liquid to be clarified flows into the clarifying chamber 40, and passes through the solid-liquid separation packing 50, the clear water layer 100 is formed on the upper portion of the clarifying chamber 40, and in order to improve the collection efficiency of the clear water, the clarifying tank further includes a plurality of clear water collecting tanks 91, the plurality of clear water collecting tanks 91 are located on the upper portion of the clarifying chamber 40 and are arranged side by side above the solid-liquid separation packing 50, the clear water in the clarifying chamber 40 is further collected by the clear water collecting tanks 91, the plurality of clear water collecting tanks 91 have water outlet ends, and the clarifying tank further includes a total water tank 92, the total water tank 92 is communicated with the plurality of clear water collecting tanks 91, and the total water tank 92 outputs the clear water through a water outlet pipe 920 arranged thereon.
When using the utility model discloses a clarification tank carries out the clear water operation, the clarification mechanism contains that the mud sediment suspension layer filters and two kinds of mechanisms of superficial sediment, and two kinds of mechanisms can undertake separately or complementary clarification process of undertaking under the intake water volume condition of difference. When the water inflow is small, when the rising flow velocity of the water flow in the clarification chamber 40 is smaller than the sedimentation velocity of the flocs, a sludge suspension layer cannot be formed, and at the moment, the clarification process mainly takes the shallow layer sedimentation of the solid-liquid separation filler 50 as the main material; when the water inflow is increased until the rising flow velocity of the water flow in the clarification chamber 40 is equal to the sedimentation velocity of the flocs, a sludge suspension layer is formed, and the clarification process mainly comprises the filtration of the sludge suspension layer and assists the shallow sedimentation; when the water inflow is further increased, the interface of the original sludge suspension layer can rise or be damaged, and the clarification process is mainly performed by shallow sedimentation again. Meanwhile, the flocculate separated by precipitation is accumulated to be enlarged or compacted, the precipitation speed is increased, a new sludge suspension layer can be formed again on the sludge suspension layer, or the sludge suspension layer passes through the sludge suspension layer to be directly precipitated into the overflowing channel 30 and flows to the pneumatic circulation chamber 60 along with horizontal current; after a new sludge suspension layer is formed, the clarification process can filter the sludge suspension layer again to be the main, the shallow layer is precipitated to be the auxiliary, the main and auxiliary effects are exchanged repeatedly until the water inflow is increased to the state that the formed new sludge suspension layer and the combined filler act simultaneously, and the water inflow at the moment reaches the maximum limit water inflow (the maximum limit water inflow is related to the specific water quality and is determined through experiments according to the actual condition).
Use the utility model discloses a clarification tank carries out the clear water operation and has following technological effect:
1. because the utility model discloses a clarification tank make full use of circulating channel carries out the operation of coagulating, therefore this clarification tank simple structure is compact, is favorable to saving area to dive type agitator or perforated pipe aeration agitated vessel energy consumption that set up at mixing passage and flocculation channel is low, the fault rate is low, is favorable to reducing daily management and maintains, and easy operation is convenient.
2. Because the utility model discloses a clarification tank utilizes aeration equipment to carry out the strength circulation, and the circulation volume of active sludge can be adjusted through the mode of adjustment aeration rate, and easy operation can effectively dissolve the inflow, the temperature and the water quality change adverse effect to the clarification effect, saves the circulation energy consumption of active sludge moreover greatly to the whole operation energy consumption of greatly reduced clarification tank.
3. Because the clarification process of the clarification tank of the utility model contains the complementary process of two clarification mechanisms of sludge suspension layer filtration and superficial sedimentation, the stable and reliable water quality of water can be effectively ensured.
4. Because the utility model discloses a set up the sludge concentration room in the clarification tank, the deposit can obtain abundant concentration at the sludge of sludge concentration room, consequently discharges sludge small, concentration height, can directly carry out dehydration, need not further to concentrate.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A clarifier for use in clarifying water with activated sludge, comprising:
a mixing channel (10), wherein the mixing channel (10) is used for inputting water to be clarified, and the water to be clarified and the active sludge are mixed in the mixing channel (10);
a flocculation channel (20), the flocculation channel (20) being in communication with the mixing channel (10);
the overflowing channel (30) is communicated with the flocculation channel (20);
the clarifying chamber (40) is positioned above the overflowing channel (30), the clarifying chamber (40) is communicated with the overflowing channel (30), and solid-liquid separation packing (50) is arranged in the clarifying chamber (40).
2. The clarifier of claim 1, characterized in that the clarifier further comprises:
a pneumatic circulation chamber (60), said pneumatic circulation chamber (60) being in communication with said mixing channel (10), and said pneumatic circulation chamber (60) being in communication with said overflow channel (30); wherein,
an aeration device (61) is arranged in the pneumatic circulation chamber (60), and the aeration device (61) directionally conveys the active sludge in the overflowing channel (30) into the mixing channel (10).
3. The clarifier of claim 2, characterized in that the clarifier further comprises:
the output end of the acid liquor dosing pipeline (62) extends into the pneumatic circulating chamber (60);
and the output end of the alkali liquor dosing pipeline (63) extends into the pneumatic circulating chamber (60).
4. The clarifier of claim 1, characterized in that the clarifier further comprises:
a first stirring device (11), said first stirring device (11) being arranged within said mixing channel (10);
a coagulant adding pipeline (12), wherein the output end of the coagulant adding pipeline (12) extends into the mixing channel (10), and the coagulant added by the coagulant adding pipeline (12) is mixed with the water to be clarified and the active sludge by the first stirring device (11) to form destabilized mixed liquid.
5. The clarifier of claim 4, characterized in that the clarifier further comprises:
a second stirring device (21), said second stirring device (21) being arranged inside said flocculation channel (20);
a flocculant adding pipeline (22), wherein the output end of the flocculant adding pipeline (22) extends into the flocculation channel (20), and the second stirring device (21) mixes the flocculant added by the flocculant adding pipeline (22) with the destabilized mixed liquid to form a mixed liquid to be clarified.
6. The clarifier of claim 1, characterized in that the clarifier further comprises:
the sludge concentration chamber (70) is arranged between the flocculation channel (20) and the overflowing channel (30), and the sludge concentration chamber (70) is communicated with the flocculation channel (20) and the sludge concentration chamber (70) is communicated with the overflowing channel (30).
7. The clarifier of claim 6, characterized in that the bottom of the sludge concentration chamber (70) is lower than the bottom of the overflow channel (30), and the bottom of the sludge concentration chamber (70) is lower than the bottom of the flocculation channel (20).
8. The clarifier of claim 6, characterized in that the clarifier further comprises:
a scum removing device (81), wherein the scum removing device (81) is arranged between the sludge concentration chamber (70) and the overflowing channel (30) to remove scum in water;
a slag discharge pipeline (82), wherein the slag discharge pipeline (82) is connected with the scum removing device (81) to discharge scum.
9. The clarifier of claim 1, characterized in that the clarifier further comprises:
a plurality of clarified water collection tanks (91), the plurality of clarified water collection tanks (91) being positioned above the clarification chamber (40) and being arranged side by side above the solid-liquid separation packing (50), the plurality of clarified water collection tanks (91) being configured to collect clarified water in the clarification chamber (40), the plurality of clarified water collection tanks (91) having a water outlet end;
the total water production tank (92) is communicated with the water outlet ends of the plurality of clarified water collecting tanks (91), and the total water production tank (92) outputs the clarified water through a water production water outlet pipeline (920) arranged on the total water production tank.
10. The clarifier of claim 1, characterized in that the clarifier further comprises:
the solid-liquid separation filler (50) is installed in the clarification chamber (40) in a cellular manner through the plurality of partition plates (501), and one end, facing the overflowing channel (30), of each partition plate (501) extends out of the solid-liquid separation filler (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701623.1U CN204981291U (en) | 2015-09-10 | 2015-09-10 | Clarifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701623.1U CN204981291U (en) | 2015-09-10 | 2015-09-10 | Clarifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204981291U true CN204981291U (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060440A (en) * | 2015-09-10 | 2015-11-18 | 北京博汇特环保科技有限公司 | Clarification tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060440A (en) * | 2015-09-10 | 2015-11-18 | 北京博汇特环保科技有限公司 | Clarification tank |
| CN105060440B (en) * | 2015-09-10 | 2017-10-27 | 北京博汇特环保科技有限公司 | A kind of depositing reservoir |
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Address after: 100102 302A 3, floor 106, Li Ze Chung garden, Chaoyang District, Beijing. Patentee after: BEIJING BOHUITE ENVIRONMENTAL TECHNOLOGY CO.,LTD. Address before: 100102 301A-1 3, No. 106, Zhongze garden, lizze garden, Chaoyang District, Beijing. Patentee before: BEIJING BHT ENVIRON TECH Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chi Jinbao Inventor after: Chen Kaihua Inventor after: Pan Jiantong Inventor after: Zhao Qiang Inventor after: Zhang Lei Inventor before: Chi Jinbao Inventor before: Chen Kaihua Inventor before: Pan Jiantong Inventor before: Pan Weike Inventor before: Zhao Qiang Inventor before: Zhang Lei |
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| CB03 | Change of inventor or designer information |