CN218665480U - Sewage treatment air supporting machine - Google Patents
Sewage treatment air supporting machine Download PDFInfo
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- CN218665480U CN218665480U CN202223158467.8U CN202223158467U CN218665480U CN 218665480 U CN218665480 U CN 218665480U CN 202223158467 U CN202223158467 U CN 202223158467U CN 218665480 U CN218665480 U CN 218665480U
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Abstract
The utility model discloses a sewage treatment air supporting machine, which comprises a housin, the inside of casing is including electrolysis chamber and air supporting disengagement zone, be provided with electrode group in the electrolysis chamber, the electrolysis chamber bottom is connected with the inlet tube, air supporting disengagement zone top is connected with the outlet pipe, air supporting disengagement zone top is provided with scrapes the sediment device, the outer wall rigid coupling of air supporting disengagement zone has the scum groove, be provided with little electrolysis tube intercommunication in the middle of electrolysis chamber and the air supporting disengagement zone, be connected with heterogeneous flow dissolved air intake pump on the inlet tube, the inside hollow guide plate that is provided with of little electrolysis tube, the hole of permeating water has evenly been arranged on the surface of guide plate, the guide plate sets up at little electrolysis tube inner wall. The problem of the electrode surface that the quantity of bubbles that produces in unit interval has fixed upper limit, and bubble specific surface area is little among the prior art, above factor has restricted sewage treatment's processing rate is solved.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, a sewage treatment air supporting machine is related to.
Background
The air floatation equipment mainly utilizes highly dispersed micro-bubbles as carriers to remove objects adhered with hydrophobic groups in the wastewater, so that the micro-bubbles and the objects are regarded as a whole, the whole density of the whole is less than that of water and the whole floats to the water surface, and the process of solid-liquid or liquid-liquid separation is realized. In the water treatment, the air flotation method can be used in the situations where the precipitation method is not applicable, to separate suspended matters with specific gravity close to water and difficult to precipitate, such as grease, fiber, algae and the like, and can also be used for concentrating activated sludge.
Chinese patent CN102757113A discloses an electrolytic air floatation device, which uses titanium-based oxidation electrode, the dirt formed on the surface of the electrode is removed by reversing the positive and negative electrodes, the catalytic action of the titanium-based oxidation electrode can generate a certain amount of hydroxyl free radical and hypochlorite in water, and the strong oxidation action of the hydroxyl free radical and hypochlorite can play a certain role in decoloring, sterilizing and removing COD. Meanwhile, the oxygen formed by the electrode can increase the dissolved oxygen in the water, and promote the subsequent biochemical treatment effect. However, the electrolytic air-floating device only generates bubbles by using the principle of electrolytic gas generation, but the number of bubbles generated on the surface of an electrode in unit time has a fixed upper limit, the specific surface area of the bubbles is small, and two factors limit the treatment rate of sewage treatment, so that the number of bubbles generated in sewage in unit time and the specific surface area of the bubbles are required to improve the conventional electrolytic air-floating device and increase the sewage purification rate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sewage treatment air supporting machine has solved the bubble quantity that produces in the electrode surface unit interval that exists among the prior art and has fixed upper limit, and bubble specific surface is little, and above factor has limited sewage treatment's processing rate problem.
The utility model adopts the technical proposal that the air floatation machine for sewage treatment comprises a shell, wherein the shell comprises an electrolysis chamber and an air floatation separation area, an electrode group is arranged in the electrolysis chamber, the bottom end of the electrolysis chamber is connected with a water inlet pipe, the top end of the air floatation separation area is connected with a water outlet pipe, the top end of the air floatation separation area is provided with a slag scraping device, and the outer wall of the air floatation separation area is fixedly connected with a slag discharge groove;
the electrolysis and air-flotation separation area is communicated with a micro-electrolysis area which comprises a micro-electrolysis tube, the inlet end of the micro-electrolysis tube is connected with the electrolysis chamber, the outlet end of the micro-electrolysis tube is connected with the air-flotation separation area, the inner wall of the micro-electrolysis tube is fixedly connected with a hollow guide plate, the guide plate is arranged on the inner wall of the micro-electrolysis area, and the water inlet tube is connected with a multiphase flow dissolved air inlet pump.
The utility model discloses a characteristics still lie in:
the electrode group consists of a plurality of electrodes, wherein the anode is a titanium-based oxidation electrode plate or a soluble iron anode.
The surface of the guide plate is uniformly provided with water permeable holes, and iron carbon filler particles are filled in the guide plate.
The micro-electrolysis tube is a straight tube, and when the guide plate is of a spiral structure, the mounting column is fixedly connected vertically along the circle center of the micro-electrolysis tube, and the guide plate is sleeved on the outer wall of the mounting column.
The installation column is sleeved with two guide plates which are respectively a first guide plate and a second guide plate, the first spiral guide plate and the second spiral guide plate axially extend and are staggered on the outer wall of the installation column, the screw pitches of the first spiral guide plate and the second spiral guide plate are equal, and the first spiral guide plate and the second spiral guide plate are wide.
The micro-electrolysis tube is a spiral tube, when the guide plate is of a rectangular plate body structure, a plurality of guide plates are arranged in parallel to form a guide plate group, the guide plate group is arranged at intervals along the length direction of the spiral tube, and the guide plate group is divided into two rows in the pipeline and extends.
In different rows of opposite guide plate groups, the guide plates are arranged at intervals, and the guide plate in one guide plate group is inserted into a gap between the guide plates of the other guide plate group.
The guide plates in one guide plate group are inserted into the gaps between the guide plates in the other guide plate group.
The water outlet pipe is provided with a water outlet control valve.
The utility model has the advantages that:
1. the spiral guide plate increases the flowing path of sewage, prolongs the time for adsorbing impurity ions in the sewage by the micro-bubbles, and simultaneously leads the sewage to form vortex, and the bubbles can be dispersed in the whole micro-electrolysis tube to uniformly adsorb the impurity ions in the sewage. The iron-carbon filler is in a fluidized state due to the upward flowing vortex and buoyancy generated by countless micro bubbles, so that the full contact reaction chance of water and the filler is increased, the micro-electrolysis reaction efficiency is improved, and in addition, the phenomena of hardening and passivation of the filler can be effectively avoided due to timely removal of reaction products and the fluidized state of the filler.
2. The pipe side of the spiral pipe is at the same height compared with a linear pipe side, the pipe side is longer, the time for adsorbing impurity ions in sewage by micro bubbles is prolonged, a sewage pipeline can form a vortex without a guide plate, the guide plate group cuts flowing water flow into a plurality of single-beam water flows, the flow direction of the single-beam water flows is changed, different single-beam water flows are converged to exchange contained micro bubbles, and each single-beam water flow is ensured to be flocculated by enough micro bubbles.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 3 is a cross-sectional view of a micro-electrolysis tube according to example 2 of the present invention;
in the figure, 1, a shell, 2, a water inlet pipe, 3, an electrolysis chamber, 4, an air flotation separation area, 5, a micro-electrolysis area, 5-1, a micro-electrolysis pipe, 5-2, a guide plate, 5-3, a multiphase flow dissolved air water inlet pump, 5-4, an installation column, 5-2-1, a first spiral guide plate, 5-2-2, a second spiral guide plate, 5-2-3, a guide plate group, 6, an electrode group, 8, a water outlet pipe, 9, a water outlet control valve, 10, a deslagging device, 11 and a deslagging groove,
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
The utility model relates to a sewage treatment air supporting machine, as shown in figure 1, a sewage treatment air supporting machine, including casing 1, casing 1 divide into the triplex, casing 1's inside is including electrolysis chamber 3 and air supporting disengagement zone 4, be provided with electrode group 6 in the electrolysis chamber 3, 3 bottom of electrolysis chamber are connected with inlet tube 2, 4 tops in air supporting disengagement zone are connected with outlet pipe 8, 4 tops in air supporting disengagement zone are provided with scrapes sediment device 10, the outer wall rigid coupling of air supporting disengagement zone 4 has row sediment groove 11, sewage gets into electrolysis chamber 3 from inlet tube 2, 6 surface electrolysis of electrode group here produce a large amount of micro-bubbles, through sewage in the flow that makes progress with the bubble homogeneous mixing, turbid liquid after the mixture gets into air supporting disengagement zone 4 through for little electrolysis tube come-up, then stew, the dross is regularly scraped to row in the sediment groove 11 through scraping sediment device 10.
The electrolysis chamber 3 is communicated with the air flotation separation area 4 through a micro-electrolysis area 5, the micro-electrolysis area 5 comprises a micro-electrolysis tube 5-1, the inlet end of the micro-electrolysis tube 5-1 is connected with the electrolysis chamber 3, the outlet end of the micro-electrolysis tube is connected with the air flotation separation area 4, the inner wall of the micro-electrolysis tube 5-1 is fixedly connected with a hollow guide plate 5-2, the guide plate 5-2 is arranged on the inner wall of the micro-electrolysis area 5, and the water inlet tube 2 is connected with a multi-phase flow dissolved air inlet pump 5-3.
The guide plate 5-2 is a hollow plate body, the surface of the guide plate is uniformly provided with water permeable holes, and iron carbon filler is filled in the guide plate 5-2.
The water inlet pipe 2 is connected with a multiphase flow dissolved air inlet pump 5-3, sewage after gas dissolving is sent to an electrode group 6 of an electrolysis chamber 3 after high-pressure gas dissolving is carried out on raw water by adopting a multiphase flow pump, air dissolved in the raw water at high pressure is rapidly decompressed and released in the electrolysis chamber 3 to form micro bubbles of 30-50 mu m, the multiphase flow dissolved air inlet pump 5-3 is additionally arranged, the number of bubbles in the electrolysis chamber 3 in unit time is increased, and the specific surface area of the micro bubbles obtained through decompression and release is large. The micro bubbles can provide larger specific surface area, are beneficial to adsorbing more reaction product flocs, and enable the air floatation removal efficiency to be higher.
The electrode group 6 is composed of a plurality of electrodes, wherein the anode is a titanium-based oxidation electrode, in particular to an iridium titanium oxide motor, a titanium-based oxidation electrode is used, and dirt formed on the surface of the electrode is removed by reversing the anode and the cathode.
The micro-electrolysis tube 5-1 is a straight tube, when the guide plate 5-2 is a spiral structure, a mounting column 5-4 is vertically and fixedly connected along the circle center of the micro-electrolysis tube 5-1, the mounting column 5-4 is sleeved with two guide plates 5-2 which are respectively a first guide plate 5-2-1 and a second guide plate 5-2-2, the first spiral guide plate 5-2-1 and the second spiral guide plate 5-2-2 axially extend and are staggered on the outer wall of the mounting column 5-4, the screw pitches of the first spiral guide plate 5-2-1 and the second spiral guide plate 5-2-2 are equal, and the widths of the first spiral guide plate 5-2-13 and the second spiral guide plate 5-2-2 are equal.
A gap is reserved between the outer edge of one spiral guide plate and the inner wall of the shell, and the influence of the double spiral guide plate on the flowing speed of the raw materials is relieved.
The iron-carbon filler is a regular iron-carbon sintered body with the specific gravity of 1.0-1.1 g/cm 3 The multiphase flow dissolved air intake pump is a mature commercial product, such as a multiphase flow dissolved air pump of EDUR company in Germany and a multiphase flow dissolved air pump of Niconi company in Japan.
Example 2
The titanium-based oxidation electrode is replaced by a soluble iron anode aiming at the oily wastewater, so that the flocculating agent is used for preventing the surface of the anode from being attached with oil stains.
As shown in figure 2, the micro-electrolysis tube 5-1 is a spiral tube, when the guide plate 5-2 is a rectangular plate body structure, a plurality of guide plates 5-2 are arranged in parallel to form a guide plate group 5-2-3, the guide plate group 5-2-3 is arranged at intervals along the length direction of the spiral tube, and the guide plate group 5-2-3 extends in two rows in the pipeline.
As shown in fig. 3, the baffles 5-2 of the different rows of the opposite baffle groups 5-2-3 are arranged at intervals, and the baffles of one baffle group 5-2-3 are inserted into the gaps between the baffles of the other baffle group 5-2-3.
The pipe side of the spiral pipe is at the same height compared with a linear pipe side, the pipe side of the spiral pipe is at the same height compared with the linear pipe side, the pipe side is longer, the time for adsorbing impurity ions in sewage by micro bubbles is prolonged, a sewage pipeline can form vortex without the help of a guide plate, the guide plate group cuts flowing water flow into a plurality of single-beam water flows, the flow direction of the single-beam water flows is changed, different single-beam water flows are converged, the convergence enables the micro bubbles contained in different single-beam water flows to exchange, and the flocculation of enough micro bubbles in each single-beam water flow is ensured.
The utility model relates to a sewage treatment air supporting machine, its advantage lies in: the device combines the traditional electrolysis method, micro-electrolysis and multiphase flow air floatation technical principles, after high-pressure gas dissolving is carried out on sewage water by adopting a multiphase flow pump, the air dissolved in the sewage at high pressure is rapidly decompressed and released to form micro bubbles of 30-50 mu m, micro bubbles and the sewage flow through a micro electrolysis tube from bottom to top, the sewage is subjected to micro electrolysis reaction in the micro electrolysis tube, and the resultant floc after reaction continues to rise under the action of water and the micro bubbles.
The micro-electrolysis tube provides a reaction site for micro-electrolysis reaction, and has the function of prolonging the time of the micro-bubbles for adsorbing impurity ions in the sewage and forming vortex or single-beam water flow to ensure that the sewage is flocculated by enough micro-bubbles.
Claims (8)
1. The utility model provides a sewage treatment air supporting machine, including casing (1), the inside of casing (1) is including electrolysis chamber (3) and air supporting disengagement zone (4), be provided with electrode group (6) in electrolysis chamber (3), electrolysis chamber (3) bottom is connected with inlet tube (2), and air supporting disengagement zone (4) top is connected with outlet pipe (8), air supporting disengagement zone (4) top is provided with scrapes sediment device (10), and the outer wall rigid coupling of air supporting disengagement zone (4) has slag discharging groove (11), its characterized in that:
the electrolysis chamber (3) is communicated with the air flotation separation area (4) through a micro-electrolysis area (5), the micro-electrolysis area (5) comprises a micro-electrolysis tube (5-1), the inlet end of the micro-electrolysis tube (5-1) is connected with the electrolysis chamber (3), the outlet end of the micro-electrolysis tube is connected with the air flotation separation area (4), the inner wall of the micro-electrolysis tube (5-1) is fixedly connected with a hollow guide plate (5-2), the guide plate (5-2) is arranged on the inner wall of the micro-electrolysis area (5), and the water inlet tube (2) is connected with a multiphase flow dissolved air inlet pump (5-3).
2. The air flotation machine for sewage treatment according to claim 1, wherein the electrode group (6) is composed of a plurality of electrodes, wherein the anode is a titanium-based oxidized electrode plate or a soluble iron anode.
3. The air flotation machine for sewage treatment according to claim 2, wherein water permeable holes are uniformly arranged on the surface of the flow guide plate (5-2), and iron-carbon filler particles are filled in the flow guide plate (5-2).
4. The air flotation machine for sewage treatment according to claim 3, wherein the micro electrolysis tube (5-1) is a straight tube, and when the flow guide plate (5-2) is of a spiral structure, a mounting column (5-4) is vertically and fixedly connected along the circle center of the micro electrolysis tube (5-1), and the flow guide plate (5-2) is sleeved on the outer wall of the mounting column (5-4).
5. The air flotation machine for sewage treatment according to claim 4, wherein two guide plates (5-2) are sleeved on the mounting column (5-4), namely a first spiral guide plate (5-2-1) and a second spiral guide plate (5-2-2), the first spiral guide plate (5-2-1) and the second spiral guide plate (5-2-2) extend axially and are staggered on the outer wall of the mounting column (5-4), the screw pitches of the first spiral guide plate (5-2-1) and the second spiral guide plate (5-2-2) are equal, and the widths of the first spiral guide plate (5-2-1) and the second spiral guide plate (5-2-2) are equal.
6. The air flotation machine for sewage treatment according to claim 2, wherein the micro electrolysis tube (5-1) is a spiral tube, when the guide plate (5-2) is of a rectangular plate structure, a plurality of guide plates (5-2) are arranged in parallel to form a guide plate group (5-2-3), the guide plate group (5-2-3) is arranged at intervals along the length direction of the spiral tube, and the guide plate group (5-2-3) extends in two rows in the pipeline.
7. The air flotation machine for sewage treatment according to claim 6, wherein the baffles (5-2) of different rows of the opposite baffle groups (5-2-3) are arranged at intervals, and the baffles of one baffle group (5-2-3) are inserted into the gaps between the baffles of the other baffle group (5-2-3).
8. The air flotation machine for sewage treatment according to claim 1, wherein the water outlet pipe (8) is provided with a water outlet control valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223158467.8U CN218665480U (en) | 2022-11-28 | 2022-11-28 | Sewage treatment air supporting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223158467.8U CN218665480U (en) | 2022-11-28 | 2022-11-28 | Sewage treatment air supporting machine |
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| Publication Number | Publication Date |
|---|---|
| CN218665480U true CN218665480U (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223158467.8U Active CN218665480U (en) | 2022-11-28 | 2022-11-28 | Sewage treatment air supporting machine |
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| CN (1) | CN218665480U (en) |
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