CN218795727U - Novel granulation fluidized bed integrating multiple functions - Google Patents
Novel granulation fluidized bed integrating multiple functions Download PDFInfo
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- CN218795727U CN218795727U CN202222962233.2U CN202222962233U CN218795727U CN 218795727 U CN218795727 U CN 218795727U CN 202222962233 U CN202222962233 U CN 202222962233U CN 218795727 U CN218795727 U CN 218795727U
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Abstract
The utility model discloses a novel granulation fluidized bed device integrating multiple functions, which comprises a clear water area, a separation area, a settling area and a silt area which are sequentially distributed from top to bottom, wherein an inclined plate is arranged above the clear water area, a water collecting area is arranged above the inclined plate, filter cells are arranged at two ends of the water collecting area, and a water outlet is arranged below the filter cell at one end; an inner cylinder is arranged in the settling zone, a fluidizing zone is formed in the inner cylinder, a water inlet pipe and a medicine inlet pipe are respectively arranged at the two sides of the settling zone, and a flow baffle plate is arranged at the bottom of the fluidizing zone; the baffle plates are arranged on two sides of the fluidized bed and are positioned at the junction position of the clear water area and the separation area; one side of the separation area is provided with a seed crystal inlet; the silt collecting area is positioned at the conical bottom of the fluidized bed, the silt collecting area is provided with a reducer pipe, the upper part of the reducer pipe is provided with a gate, and the lower part of the reducer pipe is provided with a switch filter screen; the switch filter screen is connected with the sewage discharge pipe. The water quality treated by the device can reach the standard of direct reuse, the process flow of wastewater pretreatment is obviously optimized, the labor intensity is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a granulation fluidized bed process especially relates to a novel granulation fluidized bed that collects multi-functionally in an organic whole.
Technical Field
The existing fluidized bed is relatively complex in control, and materials are easy to back mix; the operation flexibility is low, the operation conditions cannot be changed too much, and higher requirements are put forward on a control system; the randomness of the collision mode of the particles in the fluidized bed is high, so that the floccule is loose in structure and low in density; the monomer in the prior fluidized bed technology has higher cost, and can complete the treatment of the wastewater only by being matched with other equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a collect multi-functional novel granulation fluidized bed device in an organic whole, with reaction zone, disengagement zone, sludge concentration district and clarification district integration realization, compare conventional fluidized bed, the device has the throughput and the easy controllability to complicated quality of water, and the quality of water after the processing can reach the standard of direct retrieval and utilization, is showing the process flow who has optimized waste water preliminary treatment, has saved the usable floor area of power plant, has strengthened degree of automation, has reduced intensity of labour, has improved work efficiency.
The application is realized by the following technical scheme:
a novel granulation fluidized bed device integrating multiple functions comprises a clear water area, a separation area, a sedimentation area and a sludge collection area which are sequentially distributed from top to bottom, wherein a plurality of inclined plates are arranged above the clear water area, a water collection area is arranged above the inclined plates, filter cells are arranged at two ends of the water collection area, and a water outlet is arranged below the filter cell at one end;
an inner cylinder is arranged in the settling zone, a fluidizing zone is formed in the inner cylinder, a water inlet pipe and a medicine inlet pipe are respectively arranged at the two sides of the settling zone, and a flow baffle plate is arranged at the bottom of the fluidizing zone;
the baffle plates are arranged on two sides of the fluidized bed and are positioned at the junction position of the clear water area and the separation area; one side of the separation area is provided with a seed crystal inlet;
the silt collecting area is positioned at the conical bottom of the fluidized bed, the silt collecting area is provided with a reducer pipe, the upper part of the reducer pipe is provided with a gate, and the lower part of the reducer pipe is provided with a switch filter screen; the switch filter screen is connected with the sewage discharge pipe. The silt collecting area is provided with the reducer pipe, and the existence of the reducer pipe can effectively reduce the water content of sludge in the silt collecting area. Set up the gate on reducing pipe upper portion, can control the emission of fluidized bed granule and rivers, set up the switch filter screen in the lower part of reducing pipe, this switch filter screen can effectively filter calcium carbonate and magnesium hydrate crystal particle, makes rivers flow through the blow off pipe, and calcium carbonate and magnesium hydrate crystal particle block in the reducing pipe, closes the gate, opens the switch filter screen and can discharge calcium carbonate and magnesium hydrate crystal particle.
Furthermore, sea sand is placed in the filter tank. Water flow passing through the inclined plate enters the water collecting area, enters the filter tank through pipe orifices at two ends of the water collecting area, sea sand is placed in the filter tank, water in the water collecting area is filtered by the sea sand, the water is changed into cleaner clear water, and the clear water flows out through the water outlet.
Furthermore, the inclined plate and the horizontal plane form an included angle of 60 degrees, so that impurities in the rising clear water are precipitated in the inclined plate, the impurities separated from the water flowing upwards along the inclined plate slide to the bottom along the inclined plate under the action of gravity, and the impurities enter a settling zone after the centrifugal action generated by the separation zone.
Furthermore, the baffle plate is inclined downwards, the length and the angle (20 to 70 degrees) of the baffle plate are adjusted according to the water flow effect, and on one hand, the design effectively prevents the flocculated particles in the ascending state from entering a clear water area, so that the flocculated particles are gradually precipitated in a settling area; on the other hand, the impurities settled by the inclined plate can be guided to enter the separation area and enter the settling area through the centrifugal force generated by the separation area.
Furthermore, the water inlets and the medicine outlets are alternately arranged, the medicine outlets form an included angle of 60 degrees with the horizontal plane, the water inlets form an included angle of 30 degrees with the horizontal plane, and the directions are opposite, so that the mixing effect of the liquid medicine and the water flow is enhanced; secondly, the water inflow at the specific angle enables the water flow to spirally rise in the inner cylinder of the fluidized bed, a certain centrifugal force is provided in the separation zone, and the flocculated particles formed by combining the liquid medicine and the ions in the water enter the settling zone under the action of the centrifugal force.
Furthermore, the bottom of the inner cylinder is conical.
Furthermore, keep off and flow the board and be smooth discoid, the level is placed, leaves the gap with inner tube both sides wall, lies in fluidization area and settling zone and intersects the mouth, and this can increase the route that rivers flowed into fluidization area, can block again that the large granule suspended solid gets into fluidization area again, and then makes the large granule flocculation thing subside.
The wastewater treatment process utilizing the device comprises the following steps:
(1) The water coming from the wastewater pool or the buffer pool is conveyed to a water inlet pipe of the fluidized bed through a water pump, meanwhile, the sodium hydroxide solution and the sodium carbonate solution are added into the fluidized bed through a medicine inlet pipe according to a proportion, when the water flow rises to a separation zone, the flocculated particles move to the lower side of the baffle plate under the action of centrifugal force, and the water flow with the flocculated particles enters a settling zone through the blockage of the baffle plate;
(2) By intermittently introducing seeds into the fluidised bed, caCO being formed in the water stream 3 /Mg(OH) 2 Crystals are attached to the surface of the seed crystal, are subjected to coagulation and then enter a silt collecting area; the non-settled flocculated particles can circulate in the fluidized bed along with water flow, and the water flow enters the fluidized zone to participate in circulation again under the guiding action of the flow baffle plate, so that the flocculated particles continuously and circularly flow and reach dynamic balance;
(3) The sediment entering the silt collecting area enters a reducer pipe through control; opening the gate to control the flocculated particles to enter the reducer pipe along with the water flow, wherein the water flow flows out through the blow-off pipe after being filtered by the switch filter screen, and calcium carbonate and magnesium hydroxide crystal particles are blocked on the switch filter screen of the reducer pipe; then closing the gate, opening the switch filter screen to discharge calcium carbonate and magnesium hydroxide crystal particles;
(4) The water flow relatively clear in the separation area enters a clear water area, impurities in the ascending clear water are precipitated in the inclined plate, and the separated impurities slide to the bottom along the inclined plate under the action of gravity and enter a settling area through the separation area; the rivers through the swash plate get into the catchment area, get into the filter bowl through the mouth of pipe at catchment area both ends, and the water in catchment area becomes cleaner clear water through the filtration of sea sand, discharges through the delivery port.
Furthermore, the particle size of the sea sand in the filter tank is 0.25 to 0.35mm.
Further, the flow velocity of the ascending water flow in the step (1) is 60 m/h-120 m/h.
The advantages of the utility model
1. The granulation fluidized bed integrates various process flows, the process flow is short, and the wastewater treatment efficiency is high.
2. The granulation fluidized bed equipment has the advantages of small occupied area, high automation degree and simple operation.
3. The granulation fluidized bed has complex water quality treatment, and can treat municipal wastewater and industrial circulating wastewater.
4. The water inlets and the medicine inlets of the granulation fluidized bed are alternately arranged, so that the mixing effect of the liquid medicine and the water flow is enhanced; secondly, the water inflow at the specific angle enables the water flow to spirally rise in the inner cylinder of the fluidized bed, a certain centrifugal force is provided in the separation zone, and the flocculated particles formed by combining the liquid medicine and the ions in the water enter the settling zone under the action of the centrifugal force.
5. The calcium carbonate and magnesium hydroxide crystal particles can be discharged separately from the waste water, thereby simplifying the flow and improving the working efficiency.
Drawings
FIG. 1 is a schematic diagram of a granulation fluid bed;
FIG. 2 isbase:Sub>A layout of water inlet and drug inlet ports (cross-sectional view A-A);
in the figure, 1, a water collecting area 2, a filter tank 3, sea sand 4, a water outlet 5, an inclined plate 6, a clear water area 7, a separation area 8, an inner cylinder 9, a settling area 10, a water inlet pipe 11, a flow baffle plate 12, a silt collecting area 13, a gate 14, a reducer pipe 15, a switch filter screen 16, a sewage discharge pipe 17, a medicine inlet pipe 18, a fluidization area 19, a seed crystal inlet 20 and a baffle plate are arranged.
Detailed Description
In order to make the technical field person understand the present invention better and make the above objects, features and advantages of the present invention more obvious and understandable, the present invention is described in detail with reference to the following embodiments.
Example 1
A novel granulation fluidized bed device integrating multiple functions comprises a clear water area 6, a separation area 7, a settling area 9 and a silt collection area 12 which are sequentially distributed from top to bottom, wherein a plurality of inclined plates 5 which form included angles of 60 degrees with the horizontal plane are arranged above the clear water area, a water collection area 1 is arranged above the inclined plates 5, filter tanks 2 are arranged at two ends of the water collection area 1, sea sand 3 is placed in the filter tanks 2, and a water outlet 4 is arranged below the filter tank at one end;
the inside in subsidence area sets up the bottom and is conical inner tube 8, and 8 inside fluidization areas 18 that form of inner tube, subsidence area both sides position set up inlet tube 10 respectively and advance pencil 17, and the water inlet is arranged in turn with a medicine mouth, goes out the medicine mouth and is 60 degrees contained angles with the level, and the water inlet is 30 degrees contained angles, opposite direction with the level. The bottom of the fluidization area is provided with a flow baffle 11; the flow baffle 11 is in a smooth disc shape, is horizontally arranged, has a gap with the two side walls of the inner cylinder 8, and is positioned at the intersection of the fluidization area and the sedimentation area. The baffle plates 20 which are arranged at the two sides of the fluidized bed and are inclined downwards are positioned at the junction position of the clean water area and the separation area; a seed crystal inlet 19 is provided at one side of the separation zone 7. The silt collecting area 12 is positioned at the conical bottom of the fluidized bed, the silt collecting area 12 is provided with a reducer pipe 14, the upper part of the reducer pipe 14 is provided with a gate 13, and the lower part of the reducer pipe is provided with a switch filter screen 15; the switch filter screen 15 is connected with a sewage discharge pipe 16.
The method for treating the wastewater comprises the following steps:
the incoming water such as a wastewater pool or a buffer pool is conveyed to a water inlet pipe of the fluidized bed through a water pump, meanwhile, the sodium hydroxide solution and the sodium carbonate solution are added into the fluidized bed through a medicine inlet pipe in proportion, water inlets and medicine inlets of the fluidized bed are alternately arranged, an included angle of 60 degrees is formed between each medicine outlet and the horizontal plane, an included angle of 30 degrees is formed between each water inlet and the horizontal plane, and the directions are opposite, as shown in figure 2. The novel water inlet mode can lead the waste water and the medicament entering the fluidization area to rise spirally under the action of the flow velocity of the water flow. When water flow rises to the separation area, the flocculated particles move to the lower side of the baffle plate under the action of centrifugal force, the flocculated particles can be prevented from entering the clear water area under the action of the baffle plate, and the water flow with the flocculated particles enters the settling area through the baffle plate. The treated seed crystal is added into a vulcanizing bed, the seed crystal adding can be in a batch mode, and the adding amount is about 25-50Kg/d. CaCO produced in water flow 3 /Mg(OH) 2 Crystals attached to the surface of the treated seed crystalAnd (4) coagulation and then entering a silt collecting area. The non-settled flocculated particles can circulate in the fluidized bed along with water flow, and the water flow enters the fluidized zone to participate in circulation again under the guiding action of the flow baffle plate, so that the flocculated particles continuously and circularly flow and reach dynamic balance. The baffle plate is smooth disc-shaped, is positioned at the intersection of the fluidization area and the settling area, is horizontally placed, can increase the path of water flow flowing into the fluidization area, and further enables large-particle flocculates to settle down. And the sediment entering the silt collecting area enters the reducer pipe through control. The upper part of the reducer pipe is provided with a gate, and the lower part of the reducer pipe is provided with a switch filter screen. And opening the gate to control the flocculated particles to enter the reducer pipe along with the water flow, wherein the water flow flows out through the drain pipe after being filtered by the switch filter screen, and the calcium carbonate and magnesium hydroxide crystal particles are blocked on the switch filter screen of the reducer pipe. Then the gate is closed, and the filter screen is opened to discharge calcium carbonate and magnesium hydroxide crystal particles. The particle size of calcium carbonate crystal particles contained in the precipitate is 2-3mm, the content of calcium carbonate in the particles is 70-90%, and the control of the particle size of the calcium carbonate crystal particles can be realized by controlling the flow rate of water flow, wherein the ascending flow rate is generally limited to 60-120 m/h.
The relatively clear water stream in the separation zone enters the clear water zone. A plurality of smooth inclined plates forming an included angle of 60 degrees with the horizontal plane are arranged above the clear water area, so that impurities in the ascending clear water are precipitated in the inclined plates, the separated impurities slide to the bottom along the inclined plates under the action of gravity, and enter the settling area after the centrifugal action generated by the separation area. The water flow passing through the inclined plate enters the water collecting area, enters the filter tank through pipe orifices at two ends of the water collecting area, is filled with sea sand, and is filtered by the sea sand to become cleaner clear water which is discharged through a water outlet, as shown in the attached figure 1. The particle size of the sea sand in the filter tank is 0.25-0.35mm, so that the function of effectively filtering water flow is achieved.
Claims (7)
1. A novel granulation fluidized bed integrating multiple functions comprises a clear water area (6), a separation area (7), a settling area (9) and a silt collecting area (12) which are sequentially distributed from top to bottom, and is characterized in that a plurality of inclined plates (5) are arranged above the clear water area, a water collecting area (1) is arranged above the inclined plates (5), filter troughs (2) are arranged at two ends of the water collecting area (1), and a water outlet (4) is arranged below the filter trough at one end;
an inner cylinder (8) is arranged in the settling zone, a fluidization zone (18) is formed in the inner cylinder (8), a water inlet pipe (10) and a medicine inlet pipe (17) are respectively arranged at the two sides of the settling zone, and a flow baffle plate (11) is arranged at the bottom of the fluidization zone;
baffle plates (20) arranged at two sides of the fluidized bed are positioned at the junction position of the clear water area and the separation area; a seed crystal inlet (19) is arranged at one side of the separation zone (7);
the silt collecting area (12) is positioned at the conical bottom of the fluidized bed, the silt collecting area (12) is provided with a reducing pipe (14), the upper part of the reducing pipe (14) is provided with a gate (13), and the lower part of the reducing pipe is provided with a switch filter screen (15); the switch filter screen (15) is connected with the sewage discharge pipe (16).
2. A new granulation fluid bed with integrated multiple functions, as claimed in claim 1, characterized in that said filter tank (2) is filled with sea sand (3).
3. A new granulation fluid bed with multiple functions in one body, as claimed in claim 1, characterized in that the inclined plates (5) are at an angle of 60 degrees to the horizontal.
4. A novel granulation fluidized bed integrating multiple functions as claimed in claim 1, wherein the baffle plate (20) is inclined downward, and the angle of the baffle plate is 20 to 70 °.
5. The novel granulation fluidized bed integrating multiple functions as claimed in claim 1, wherein the water inlet and the drug outlet are alternately arranged, the drug outlet forms an angle of 60 degrees with the horizontal plane, and the water inlet forms an angle of 30 degrees with the horizontal plane, and the directions are opposite.
6. A new granulation fluid bed with multiple functions in one body, as claimed in claim 1, characterized in that the bottom of the inner cylinder (8) is conical.
7. A new granulation fluid bed with multiple functions as claimed in claim 1, characterized in that said baffle (11) is in the form of a smooth disc, horizontally placed, with gaps between the two walls of the inner cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222962233.2U CN218795727U (en) | 2022-11-08 | 2022-11-08 | Novel granulation fluidized bed integrating multiple functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222962233.2U CN218795727U (en) | 2022-11-08 | 2022-11-08 | Novel granulation fluidized bed integrating multiple functions |
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| Publication Number | Publication Date |
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| CN218795727U true CN218795727U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222962233.2U Active CN218795727U (en) | 2022-11-08 | 2022-11-08 | Novel granulation fluidized bed integrating multiple functions |
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- 2022-11-08 CN CN202222962233.2U patent/CN218795727U/en active Active
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