CN215365168U - Biochemical sewage purification treatment device - Google Patents
Biochemical sewage purification treatment device Download PDFInfo
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- CN215365168U CN215365168U CN202121526954.8U CN202121526954U CN215365168U CN 215365168 U CN215365168 U CN 215365168U CN 202121526954 U CN202121526954 U CN 202121526954U CN 215365168 U CN215365168 U CN 215365168U
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Abstract
A biochemical sewage purification treatment device comprises a cylinder, wherein a jet separator, an air flotation distribution pipe and a drain pipe are arranged in the cylinder, and an exhaust port is arranged at the upper end of the cylinder; the upper part of the jet separator is cylindrical and is connected with a sewage inlet pipe along the tangential direction, the lower part of the jet separator is conical and is connected with a particle discharge pipe at the lower end, and the particle discharge pipe and the sewage inlet pipe respectively penetrate through the outer wall of the cylinder in a sealing way; a separation water outlet pipe is arranged at the center in the jet separator; the air flotation distributing pipes are horizontally arranged at the lower part in the cylinder body, and dissolved air releasers are uniformly distributed on the air flotation distributing pipes; the drainage pipe is arranged on the other side in the barrel along the vertical direction, a plurality of water inlet holes are uniformly distributed on the circumference of the lower end of the drainage pipe, and a drainage joint is arranged on the drainage pipe close to the upper end; an overflow scum groove is arranged at the upper part in the barrel, and a slag discharge pipe communicated with the overflow scum groove is arranged at the upper part of the outer wall of the barrel. The equipment can reduce labor intensity and improve water purification rate, so that the activated sludge and other particulate matters in the sewage are superior to the emission standard.
Description
Technical Field
The utility model relates to the field of sewage treatment and environmental protection, in particular to biochemical sewage purification treatment equipment.
Background
The jet flow-air flotation separation process has the characteristics of obvious effect, no blockage, good water purification, small occupied area and convenient operation, so the application of the jet flow-air flotation separation process in biochemical wastewater treatment has wide development prospect. At the end of the 70 s of the 20 th century, a plurality of units in China apply biochemical processes to treat industrial wastewater containing phenol, cyanogen, oil refining, chemical engineering, petrochemical engineering and the like, and filter equipment is used for improving water quality and further removing activated sludge and particulate matters in the biochemical wastewater, so that a good effect is achieved. The widely used facilities at present are filtering equipment, and water flows from top to bottom; because the biochemical sewage contains activated sludge and other particles, the blocking flow is reduced after the biochemical sewage is operated for a period of time, the resistance is often reduced by a back washing method, filter materials need to be supplemented or updated periodically during working, the labor intensity is high, and the operation cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing biochemical sewage purification treatment equipment which can reduce the labor intensity and improve the water purification rate, so that the activated sludge and other particulate matters in sewage are superior to the discharge standard.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a biochemical sewage purification treatment device comprises a cylinder, wherein a jet separator, an air flotation distribution pipe and a drain pipe are arranged in the cylinder, and an exhaust port is arranged at the upper end of the cylinder; the jet separator is arranged on one side in the cylinder body along the vertical direction, the upper part of the jet separator is cylindrical and is connected with a sewage inlet pipe along the tangential direction, the lower part of the jet separator is conical and cylindrical, the lower end of the jet separator is connected with a particulate matter discharge pipe, and the particulate matter discharge pipe and the sewage inlet pipe respectively penetrate through the outer wall of the cylinder body in a sealing manner; a separation water outlet pipe is arranged at the center in the jet separator along the axial direction of the jet separator and is used for discharging separated sewage; the air floatation distribution pipe is horizontally arranged at the inner lower part of the cylinder, one end of the air floatation distribution pipe penetrates out of the outer wall of the cylinder in a sealing way, and the other end of the air floatation distribution pipe is closed; a plurality of dissolved air releasers are uniformly distributed on the air floatation distributing pipe, so that the dissolved air water introduced into the air floatation distributing pipe generates micro bubbles to rise through the dissolved air releasers;
the drainage pipe is arranged on the other side in the barrel along the vertical direction, a plurality of water inlet holes are uniformly distributed on the circumference of the lower end of the drainage pipe, a drainage joint is radially arranged on the drainage pipe close to the upper end, and the drainage joint penetrates out of the outer wall of the barrel in a sealing manner;
an overflow scum groove is arranged at the upper part in the barrel, the upper end surface of the overflow scum groove is higher than the water drainage connector, and a scum pipe communicated with the overflow scum groove is arranged at the upper part of the outer wall of the barrel and used for discharging tiny particles and scum entering the overflow scum groove.
As a further preference, the particle discharge pipe is arranged perpendicular to the lower shaft of the jet separator.
As a further preference, the upper end of the jet separator is connected with a suspended matter discharge pipe, and the suspended matter discharge pipe penetrates out of the outer wall of the cylinder body in a sealing mode and is used for discharging suspended matters.
Preferably, a wire mesh demister is arranged above the overflow scum trough in the barrel and used for separating water droplets and scum carried by gas.
Preferably, the overflow scum trough is annular and fixed along the inner wall of the barrel, and a notch is arranged at the position corresponding to the drain pipe.
Further preferably, an access opening which can be opened is provided on a lower side of the cylinder to facilitate access.
The utility model has the beneficial effects that:
large particles in the entered sewage can be sunk and discharged through a jet separator arranged in the cylinder body, and the filtered sewage is discharged through a separation water outlet pipe; dissolved air water is introduced through an air floatation distribution pipe arranged at the lower part in the cylinder body, and the dissolved air water introduced into the air floatation distribution pipe can generate micro bubbles to rise through a plurality of dissolved air releasers uniformly distributed on the air floatation distribution pipe, so that micro particles in the filtered sewage can be adhered and can be lifted out of the water surface; micro particles and scum on the water surface can be collected and discharged through a scum discharge pipe through an overflow scum trough arranged at the upper part in the barrel body; the purified sewage can flow out from bottom to top through the drain pipe arranged in the cylinder body along the vertical direction, so that the activated sludge and other particles in the sewage are superior to the discharge standard, no blockage, no filter material and no back flush are caused, the labor intensity can be reduced, and the water purification rate can be improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
In the figure: the device comprises a barrel 1, an exhaust port 101, a jet separator 2, a sewage inlet pipe 201, a suspended matter discharge pipe 202, a particulate matter discharge pipe 203, a separation water outlet pipe 204, a water outlet nozzle 205, a slag discharge pipe 3, an overflow scum groove 4, a silk screen demister 5, a water discharge pipe 6, a water inlet hole 601, a water discharge joint 602, an access hole 7, a dissolved air releaser 8, an air flotation distribution pipe 9 and a pipe head 10.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
As shown in figures 1-2, the biochemical sewage purification treatment device comprises a circular cylinder 1, a jet separator 2, an air flotation distribution pipe 9 and a drain pipe 6 are arranged in the cylinder 1, and an exhaust port 101 is arranged at the center of the upper end of the cylinder 1. The jet separator 2 is arranged and fixed on one side in the cylinder 1 along the vertical direction, the upper part of the jet separator 2 is cylindrical and is connected with a sewage inlet pipe 201 along the tangential direction, the lower part of the jet separator 2 is conical and cylindrical, the lower end of the jet separator is connected with a particulate matter discharge pipe 203, and the particulate matter discharge pipe 203 and the sewage inlet pipe 201 respectively penetrate through the outer wall of the cylinder 1 in a sealing manner; a separation water outlet pipe 204 is arranged at the center in the jet separator 2 along the axial direction, the separation water outlet pipe 204 penetrates out from the top surface of the jet separator 2, the upper end of the separation water outlet pipe is connected with a conical water outlet nozzle 205 through an elbow, and the water outlet nozzle points to the axis of the cylinder body 1 and is used for discharging separated sewage; the upper end of the jet separator 2 is welded with a suspended matter discharge pipe 202 along the radial direction, and the suspended matter discharge pipe 202 penetrates out of the outer wall of the barrel 1 in a sealing mode and is used for discharging suspended matters. The particle discharge pipe 203 is arranged perpendicular to the lower shaft of the jet separator 2. Valves (not shown) are connected to the outer ends of the suspended solids discharge pipe 202 and the particulate matter discharge pipe 203, respectively, for opening at the time of discharge.
The air floatation distribution pipe 9 is arranged at the inner lower part of the cylinder 1 along the horizontal direction, one end of the air floatation distribution pipe penetrates out of the outer wall of the cylinder 1 in a sealing way, and the other end of the air floatation distribution pipe is closed; a plurality of pipe heads 10 with closed outer ends are uniformly welded on two sides of the air flotation distributing pipe 9, and a dissolved air releaser 8 is respectively and uniformly arranged on each pipe head 10, so that the dissolved air water introduced into the air flotation distributing pipe 9 generates micro bubbles to rise through the dissolved air releaser 8.
The water discharge pipe 6 is arranged and fixed at the other side in the cylinder 1 along the vertical direction, a plurality of water inlet holes 601 are uniformly distributed at the circumference of the lower end of the water discharge pipe 6, a water discharge joint 602 is welded on the water discharge pipe 6 close to the upper end of the water discharge pipe along the radial direction, and the water discharge joint penetrates out from the outer wall of the cylinder 1 in a sealing manner.
An overflow scum groove 4 is arranged at the upper part in the cylinder 1, the overflow scum groove 4 is in a ring shape fixed along the inner wall of the cylinder 1, and a notch is arranged at the position corresponding to the drain pipe 6. The upper end face of the overflow scum trough 4 is higher than the water drainage connector 602, and the upper part of the outer wall of the barrel 1 is welded with a scum pipe 3 communicated with the overflow scum trough 4 and used for discharging tiny particles and scum entering the overflow scum trough 4.
A wire mesh demister 5 is fixed above the overflow scum trough 4 in the barrel 1, and the wire mesh demister 5 is formed by overlapping multiple layers of metal wire meshes and is used for separating water droplets and scum carried by gas. An openable access opening 7 is arranged on one side of the lower part of the cylinder body 1 so as to be convenient for maintenance.
During operation, sewage enters the jet separator 2 through the sewage inlet pipe 201 tangentially through the booster pump, and particles with larger particle sizes are downwards spirally sunk at the lower part in the jet separator 2 and are discharged through the particle discharge pipe 203. The sewage after separation and filtration is discharged through a separation water outlet pipe 204 and falls into the cylinder body from top to bottom; meanwhile, dissolved air water is introduced through an air floatation distributing pipe 9 arranged at the lower part in the cylinder body, and the dissolved air water introduced into the air floatation distributing pipe 9 can generate micro bubbles to rise through a dissolved air releaser 8, so that micro particles in the filtered sewage can be adhered and can be lifted out of the water surface; the overflow scum trough 4 arranged at the upper part in the cylinder body can collect micro particles and scum on the water surface, discharge the particles and scum through the scum pipe and return the particles and scum to the external biochemical treatment system, and can reduce the loss of activated sludge; finally, purified sewage can flow out from bottom to top through the drainage joint through the drainage pipe 6, so that activated sludge and other particles in the sewage are superior to the discharge standard, no blockage, no filter material and no back flush are caused, the labor intensity can be reduced, and the water purification rate can be improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a biochemical sewage purification treatment device, includes the barrel, characterized by: a jet separator, an air flotation distribution pipe and a drain pipe are arranged in the cylinder body, and an exhaust port is arranged at the upper end of the cylinder body; the jet separator is arranged on one side in the cylinder body along the vertical direction, the upper part of the jet separator is cylindrical and is connected with a sewage inlet pipe along the tangential direction, the lower part of the jet separator is conical and cylindrical, the lower end of the jet separator is connected with a particulate matter discharge pipe, and the particulate matter discharge pipe and the sewage inlet pipe respectively penetrate through the outer wall of the cylinder body in a sealing manner; a separation water outlet pipe is arranged at the center in the jet separator along the axial direction of the jet separator and is used for discharging separated sewage; the air floatation distribution pipe is horizontally arranged at the inner lower part of the cylinder, one end of the air floatation distribution pipe penetrates out of the outer wall of the cylinder in a sealing way, and the other end of the air floatation distribution pipe is closed; a plurality of dissolved air releasers are uniformly distributed on the air floatation distributing pipe, so that the dissolved air water introduced into the air floatation distributing pipe generates micro bubbles to rise through the dissolved air releasers;
the drainage pipe is arranged on the other side in the barrel along the vertical direction, a plurality of water inlet holes are uniformly distributed on the circumference of the lower end of the drainage pipe, a drainage joint is radially arranged on the drainage pipe close to the upper end, and the drainage joint penetrates out of the outer wall of the barrel in a sealing manner;
an overflow scum groove is arranged at the upper part in the barrel, the upper end surface of the overflow scum groove is higher than the water drainage connector, and a scum pipe communicated with the overflow scum groove is arranged at the upper part of the outer wall of the barrel and used for discharging tiny particles and scum entering the overflow scum groove.
2. The biochemical sewage purifying treatment apparatus according to claim 1, wherein: the particle discharge pipe is perpendicular to the lower cylinder body of the jet separator.
3. The biochemical sewage purifying treatment apparatus according to claim 1, wherein: the upper end of the jet separator is connected with a suspended matter discharge pipe which penetrates out of the outer wall of the cylinder in a sealing mode and is used for discharging suspended matters.
4. The biochemical sewage purifying treatment apparatus according to claim 1, wherein: a silk screen foam remover is arranged above the overflow scum trough in the cylinder body and used for separating water drops and scum carried by gas.
5. The biochemical sewage purifying treatment apparatus according to claim 1 or 4, wherein: the overflow scum groove is in an annular shape fixed along the inner wall of the cylinder, and a notch is arranged at the position corresponding to the drain pipe.
6. The biochemical sewage purifying treatment apparatus according to claim 1, wherein: an openable access hole is arranged on one side of the lower part of the cylinder body, so that the maintenance is convenient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121526954.8U CN215365168U (en) | 2021-07-06 | 2021-07-06 | Biochemical sewage purification treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121526954.8U CN215365168U (en) | 2021-07-06 | 2021-07-06 | Biochemical sewage purification treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215365168U true CN215365168U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121526954.8U Active CN215365168U (en) | 2021-07-06 | 2021-07-06 | Biochemical sewage purification treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215365168U (en) |
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2021
- 2021-07-06 CN CN202121526954.8U patent/CN215365168U/en active Active
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