CN211813536U - Waste water treatment device - Google Patents
Waste water treatment device Download PDFInfo
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- CN211813536U CN211813536U CN201922123070.7U CN201922123070U CN211813536U CN 211813536 U CN211813536 U CN 211813536U CN 201922123070 U CN201922123070 U CN 201922123070U CN 211813536 U CN211813536 U CN 211813536U
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- rectifying tower
- wastewater
- reboiler
- preheater
- wastewater treatment
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Abstract
The utility model relates to a wastewater treatment device, which comprises a rectifying tower, a reboiler connected with the bottom of the rectifying tower through a pipeline, a preheater connected with the middle part of the rectifying tower and a horizontal condenser connected with the top of the rectifying tower; the bottom of the rectifying tower is connected with a severe wastewater pool, and the middle part of the rectifying tower is provided with a plurality of cooling plates; a gas elephant pipe is arranged at the top of the reboiler and is connected with an inspection port below a cooling plate of the rectifying tower; the tail end of the preheater is connected with a mild wastewater pool; a reflux valve, a cooling water inlet, a vertical condenser and a cooling water outlet are sequentially arranged above the cooling plate; the tail end of the horizontal condenser is connected with a liquid separating cylinder, and the liquid separating cylinder is connected with a waste water storage tank; a plurality of liquid level meters and inspection ports are arranged on the outer wall of the rectifying tower; an oil discharge port is arranged in a pipeline between the reboiler and the rectifying tower, and is provided with an oil discharge valve; the utility model discloses whole treatment effeciency is high, the power consumption is low.
Description
Technical Field
The utility model relates to the technical field of environmental protection, especially, relate to a wastewater treatment device.
Background
The waste water treatment equipment is industrial equipment which can effectively treat domestic waste water, industrial waste water and the like in urban areas, prevents waste water and pollutants from directly flowing into water areas, has important significance for improving ecological environment, promoting urban grade and promoting economic development, and mainly aims to treat the domestic waste water and similar industrial organic waste water to meet the requirement for discharge or utilization; the waste water of the traditional waste water treatment equipment can reach the standard by being treated by refluxing for a plurality of times, and has low efficiency and high energy consumption.
Disclosure of Invention
To the deficiency among the prior art, the utility model discloses a wastewater treatment device to solve the problem of inefficiency among the prior art, power consumption is high.
In order to realize the aim, the utility model provides a wastewater treatment device, which comprises a rectifying tower, a reboiler connected with the bottom of the rectifying tower through a pipeline, a preheater connected with the middle part of the rectifying tower and a horizontal condenser connected with the top of the rectifying tower; the bottom of the rectifying tower is connected with a severe wastewater pool, and the middle part of the rectifying tower is provided with a plurality of cooling plates; a gas elephant pipe is arranged at the top of the reboiler and is connected with an inspection port below a cooling plate of the rectifying tower; the tail end of the preheater is connected with a mild wastewater pool; a reflux valve, a cooling water inlet, a vertical condenser and a cooling water outlet are sequentially arranged above the cooling plate; the tail end of the horizontal condenser is connected with a liquid separating cylinder, and the liquid separating cylinder is connected with a waste water storage tank.
In the technical scheme, the reboiler is used for heating and vaporizing the wastewater, and the preheater is a device for preheating air to a certain temperature and is used for improving the heat exchange performance and reducing the energy consumption; the horizontal condenser is used for condensing the steam which does not reach the standard into water for retreatment; the cooling plates are arranged in a stacked mode, so that the cooling efficiency of the steam is improved; the vertical condenser is used for controlling the temperature at the top of the rectifying tower and improving the rectifying effect; the liquid separating cylinder is used for collecting water flowing out of the horizontal condenser, dividing the collected water into clean water and light wastewater according to different substances and different weights contained in the water drops.
As an improvement of the utility model, be provided with a plurality of level gauges and inspection opening on the rectifying column outer wall, the level gauge is used for observing the rectifying column condition with the inspection opening.
As an improvement of the utility model, an oil discharge opening is opened in the pipeline between reboiler and the rectifying column, the oil discharge opening is provided with the fuel outlet valve, releases sedimentary large granule impurity and greasy dirt.
As an improvement of the utility model, a suction pump is arranged between the preheater and the mild wastewater pool, and mild wastewater is pumped into the preheater for treatment.
As an improvement of the utility model, a suction pump is arranged between the liquid separating cylinder and the waste water storage tank, and the waste water flowing out of the liquid separating cylinder is pumped into the rectifying tower for retreatment.
As an improvement of the utility model, a through hole for circulating waste water is arranged above the cooling plate and is connected with the waste water storage tank through a pipeline.
As an improvement of the utility model, the pipelines of the severe wastewater pool, the mild wastewater pool and the wastewater storage tank are also provided with a flow divider valve, so that hydraulic pressure can be controlled conveniently.
To sum up, the reboiler in the wastewater treatment device of the utility model is used for heating and vaporizing wastewater, and the preheater is a device for preheating air to a certain temperature, and is used for improving heat exchange performance and reducing energy consumption; the horizontal condenser is used for condensing the steam which does not reach the standard into water for retreatment; the cooling plates are arranged in a stacked mode, so that the cooling efficiency of the steam is improved; the vertical condenser is used for controlling the temperature at the top of the rectifying tower and improving the rectifying effect; the liquid separating cylinder is used for collecting water flowing out of the horizontal condenser, dividing the collected water into clean water and mild wastewater according to different substances and different weights contained in the water drops; the liquid level meter and the inspection port are used for observing the condition of the rectifying tower; the oil discharge port is used for releasing deposited large-particle impurities and oil stains; a water pump is arranged between the preheater and the mild wastewater pool, and mild wastewater is pumped into the preheater for treatment; a water pump is arranged between the liquid separating cylinder and the wastewater storage tank, and wastewater flowing out of the liquid separating cylinder is pumped into the rectifying tower for retreatment; the flow divider valve is convenient for controlling hydraulic pressure; the utility model discloses whole treatment effeciency is high, the power consumption is low.
Drawings
FIG. 1 is a schematic view showing the structure of a wastewater treatment apparatus according to the present invention;
in the drawings are labeled: 1. the system comprises a rectifying tower, 2, a reboiler, 3, a preheater, 4, a horizontal condenser, 5, a severe wastewater pool, 6, a cooling plate, 7, a gas flow pipe, 8, an inspection port, 9, a mild wastewater pool, 10, a reflux valve, 11, a cooling water inlet, 12, a vertical condenser, 13, a cooling water outlet, 14, a liquid separating cylinder, 15, a wastewater storage tank, 16, a liquid level meter, 17, an oil drain valve, 18, a water suction pump, 19, a through hole, 20 and a flow dividing valve.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. The following embodiments are provided to facilitate understanding of the present invention, but are not intended to limit the present invention.
FIG. 1 shows a wastewater treatment device, which comprises a rectifying tower 1, a reboiler 2 connected with the bottom of the rectifying tower 1 through a pipeline, a preheater 3 connected with the middle part of the rectifying tower 1 and a horizontal condenser 4 connected with the top of the rectifying tower 1; the bottom of the rectifying tower 1 is connected with a severe wastewater pool 5, and the middle part of the rectifying tower 1 is provided with a plurality of cooling plates 6; the top of the reboiler 2 is provided with a gas elephant trunk 7, and the gas elephant trunk 7 is connected with an inspection opening 8 below a cooling plate 6 of the rectifying tower 1; the tail end of the preheater 3 is connected with a mild wastewater pool 9; a reflux valve 10, a cooling water inlet 11, a vertical condenser 12 and a cooling water outlet 13 are sequentially arranged above the cooling plate 6; the end of the horizontal condenser 4 is connected with a liquid separating cylinder 14, and the liquid separating cylinder 14 is connected with a waste water storage tank 15.
In the technical scheme, the reboiler 2 is used for heating and vaporizing the wastewater, and the preheater 3 is a device for preheating air to a certain temperature and is used for improving the heat exchange performance and reducing the energy consumption; the horizontal condenser 4 is used for condensing the substandard steam into water for retreatment; the cooling plates 6 are arranged in a stacked mode, so that the cooling efficiency of the steam is improved; the vertical condenser 12 is used for controlling the temperature at the top of the rectifying tower 1 and improving the rectifying effect; the liquid separation cylinder 14 is used for collecting water flowing out of the horizontal condenser 4 and separating the collected water into clean water and light wastewater according to different substances and different weights contained in water drops.
As the utility model discloses a preferred scheme is provided with a plurality of level gauges 16 and inspection opening 8 on the 1 outer wall of rectifying column, and level gauge 16 and inspection opening 8 are used for observing the 1 condition of rectifying column.
As the utility model discloses a preferred scheme opens the oil drain in the pipeline between reboiler 2 and the rectifying column 1, and the oil drain is provided with fuel outlet valve 17, releases sedimentary large granule impurity and greasy dirt.
As the preferred scheme of the utility model, be provided with a suction pump 18 between preheater 3 and the mild wastewater disposal basin 9, take out mild waste water and handle in preheater 3.
As the utility model discloses a preferred scheme is provided with a suction pump 18 between minute liquid jar 14 and the waste water storage tank 15, takes out the waste water that flows out in minute liquid jar 14 and carries out retreatment in rectifying column 1.
As the preferred scheme of the utility model, a through hole 19 for circulating waste water is arranged above the cooling plate 6 and is connected with the waste water storage tank 15 through a pipeline.
As the preferred scheme of the utility model, the pipeline of the severe wastewater pond 5, the mild wastewater pond 9 and the wastewater storage tank 15 is also provided with a flow divider 20, which is convenient for controlling hydraulic pressure.
In the utility model, the wastewater treatment device can be integrated in the DCS system through the PLC, so as to realize remote automatic or manual control; the COD of the heavy wastewater is 15-25Wmg/L, and the COD of the light wastewater is less than 1.2 Wmg/L.
In the embodiment of the utility model, heavy waste water flows to the bottom of the rectifying tower 1 through the diverter valve 20, then flows into the reboiler 2, heavy waste water is vaporized through high temperature, and is guided into the rectifying tower 1 by the meteorological tube 7 again, and steam rises and is cooled through the cooling plate 6, then condenses into water droplets through the vertical condenser 12 and the horizontal condenser 4 of the rectifying tower 1, then flows into the liquid separating cylinder 14, and the liquid separating cylinder 14 divides the collected water into clean water and light waste water according to different substances and different weights contained in the water droplets, and the clean water can be discharged or recycled, and the light waste water flows into the waste water storage tank 15; the waste water storage tank 15 discharges the waste water into a reflux valve 10 of the rectifying tower 1 through a pump and a diverter valve 20, the reflux valve 10 is opened, the waste water falls to the bottom of the rectifying tower 1, and the waste water is vaporized and rectified again through a reboiler 2; the light wastewater is pumped by a water pump 18 and flows to a preheater 3 to vaporize the wastewater, then flows to the middle part of a cooling plate 6 of a rectifying tower 1, the vaporized steam flows upwards to carry out rectification, and the unvaporized wastewater flows to the bottom of the rectifying tower 1 and enters a reboiler 2 to carry out vaporization rectification.
To sum up, the reboiler 2 in the wastewater treatment device of the utility model is used for heating and vaporizing wastewater, and the preheater 3 is used for preheating air to a certain temperature, and is used for improving heat exchange performance and reducing energy consumption; the horizontal condenser 4 is used for condensing the substandard steam into water for retreatment; the cooling plates 6 are arranged in a stacked mode, so that the cooling efficiency of the steam is improved; the vertical condenser 12 is used for controlling the temperature at the top of the rectifying tower 1 and improving the rectifying effect; the liquid separating cylinder 14 is used for collecting water flowing out of the horizontal condenser 4, separating the collected water into clean water and light wastewater according to different substances and different weights contained in water drops; the liquid level meter 16 and the inspection port 8 are used for observing the condition of the rectifying tower 1; the oil discharge port is used for releasing deposited large-particle impurities and oil stains; a water pump 18 is arranged between the preheater 3 and the mild wastewater pool 9, and mild wastewater is pumped into the preheater 3 for treatment; a water pump 18 is arranged between the liquid separating cylinder 14 and the wastewater storage tank 15, and wastewater flowing out of the liquid separating cylinder 14 is pumped into the rectifying tower 1 for retreatment; the flow divider 20 facilitates hydraulic control; the utility model discloses whole treatment effeciency is high, the power consumption is low.
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 (7)
1. A wastewater treatment device is characterized by comprising a rectifying tower, a reboiler connected with the bottom of the rectifying tower through a pipeline, a preheater connected with the middle of the rectifying tower and a horizontal condenser connected with the top of the rectifying tower; the bottom of the rectifying tower is connected with a severe wastewater pool, and the middle part of the rectifying tower is provided with a plurality of cooling plates; a gas elephant pipe is arranged at the top of the reboiler and is connected with an inspection port below a cooling plate of the rectifying tower; the tail end of the preheater is connected with a mild wastewater pool; a reflux valve, a cooling water inlet, a vertical condenser and a cooling water outlet are sequentially arranged above the cooling plate; the tail end of the horizontal condenser is connected with a liquid separating cylinder, and the liquid separating cylinder is connected with a waste water storage tank.
2. The wastewater treatment device according to claim 1, wherein a plurality of level gauges and inspection ports are arranged on the outer wall of the rectifying tower.
3. The wastewater treatment device of claim 1, wherein an oil drain is formed in a pipeline between the reboiler and the rectifying tower, and the oil drain is provided with an oil drain valve.
4. The wastewater treatment plant of claim 1 wherein a suction pump is disposed between the preheater and the mild wastewater basin.
5. The wastewater treatment plant according to claim 1, wherein a suction pump is provided between the liquid separation tank and the wastewater tank.
6. The wastewater treatment apparatus according to claim 1, wherein a through hole for passing wastewater is provided above the cooling plate.
7. The wastewater treatment apparatus according to claim 1, wherein the pipes of the heavy wastewater tank, the light wastewater tank and the wastewater storage tank are further provided with a diverter valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922123070.7U CN211813536U (en) | 2019-11-29 | 2019-11-29 | Waste water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922123070.7U CN211813536U (en) | 2019-11-29 | 2019-11-29 | Waste water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211813536U true CN211813536U (en) | 2020-10-30 |
Family
ID=73031850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922123070.7U Active CN211813536U (en) | 2019-11-29 | 2019-11-29 | Waste water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211813536U (en) |
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2019
- 2019-11-29 CN CN201922123070.7U patent/CN211813536U/en active Active
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