CN219297328U - High-concentration waste water dryer - Google Patents
High-concentration waste water dryer Download PDFInfo
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- CN219297328U CN219297328U CN202320264898.8U CN202320264898U CN219297328U CN 219297328 U CN219297328 U CN 219297328U CN 202320264898 U CN202320264898 U CN 202320264898U CN 219297328 U CN219297328 U CN 219297328U
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Abstract
The utility model provides a high-concentration wastewater dryer which comprises a distillation kettle body, wherein an agitating mechanism is arranged in the distillation kettle body, a steam outlet is arranged at the upper end of one side of the distillation kettle body, the steam outlet is connected with the steam input end of a condensing mechanism through a steam pipeline, the condensing mechanism is connected with the input end of a secondary condenser through a recovery pipeline, the output end of the secondary condenser is connected with the input end of a vacuum pump through the recovery pipeline, the output end of the vacuum pump is connected with a buffer tank through the recovery pipeline, the buffer tank is connected with the input end of a recovery water pump through the recovery pipeline, the output end of the recovery water pump is connected with water equipment, and the lower end of one side of the distillation kettle body is provided with a discharge port. The utility model has the advantages that a series of structures are arranged, the wastewater is precipitated, filtered, heated and evaporated, the cooling evaporation liquid is recycled, the evaporation scale is cleaned, the wastewater is heated by utilizing the steam waste heat, the energy consumption and time in the distillation kettle body are reduced, the energy is saved, and the blockage of the condensation heat exchange pipe and the water supply pipeline is prevented.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a dryer for high-concentration wastewater.
Background
The high-concentration wastewater refers to industrial wastewater with CODcr of more than 5000mg/l, and the wastewater is mainly a final product or an intermediate product containing toxic and harmful substances such as cyanogen, chromium, cadmium and the like generated in the industrial production processes of electroplating, chemical industry and the like. The damage to the environment caused by these substances is serious, if the substances are not properly treated and disposed of, serious environmental pollution accidents will be caused. Therefore, the high-concentration wastewater needs to be purified.
At present, high-concentration wastewater is usually treated by three-effect and MVR equipment, wherein the three-effect and MVR equipment can only concentrate, and the equipment is high and large, so that the industrial batch production is not easy, and the problem of difficult transportation is caused; meanwhile, the water cannot be dried, and scaling is easy to occur. In addition, the high-concentration wastewater has complex characteristics, equipment and pipelines are easy to be blocked, and the maintenance workload is large.
Disclosure of Invention
The utility model aims to provide a high-concentration wastewater dryer to solve the problems in the background technology.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high concentration waste water desiccator, includes the distillation kettle body, the inside of the distillation kettle body is equipped with stirring mechanism, the upper end of distillation kettle body one side is equipped with steam outlet, steam outlet passes through steam piping and is connected with condensing mechanism steam input, condensing mechanism passes through recovery pipeline and is connected with the input of second grade condenser, the output of second grade condenser passes through recovery pipeline and is connected with the input of vacuum pump, the output of vacuum pump passes through recovery pipeline and is connected with the buffer tank, the buffer tank passes through recovery pipeline and is connected with the input of recovery water pump, the output of recovery water pump is connected with water equipment, the lower extreme of distillation kettle body one side is equipped with the discharge gate, the opposite side of the distillation kettle body is equipped with the basin, the inside of basin is equipped with filtering mechanism, the basin passes through water supply pipeline and is connected with condensing mechanism, the top of the distillation kettle body is equipped with the inlet, the inlet is connected with the water cooling end of condensing mechanism through the feed liquor pipeline.
Preferably, the stirring mechanism comprises a stirring frame, a servo motor and a scraper, the stirring frame is arranged in the distillation kettle body in a rotating mode, one end of the stirring frame penetrates through the distillation kettle body in a sealing mode and is connected with the output end of the servo motor through a coupling, the servo motor is arranged on one side of the distillation kettle body through a motor frame, the scraper is arranged on the stirring frame through a knife rest, a knife edge of the scraper is close to the inner wall of the distillation kettle body, and the scraper is arranged on the stirring frame in a spiral mode.
Preferably, the condensing mechanism comprises a condensing shell and a condensing heat exchange tube, the condensing shell is internally provided with the condensing heat exchange tube, one end of the condensing heat exchange tube is connected with a water cooling inlet on the condensing shell, the other end of the condensing heat exchange tube is connected with a water cooling outlet on the condensing shell, the water cooling inlet is connected with a water supply pipeline, the water cooling outlet is connected with a liquid inlet pipeline, one end of the condensing shell is provided with a steam inlet, the steam inlet is connected with a steam pipeline, the other end of the condensing shell is provided with a condensing outlet, and the condensing outlet is connected with a recovery pipeline.
Preferably, the filter mechanism comprises a partition plate and a filter grid, the partition plate is arranged in the water tank, the partition plate divides the water tank into a water storage tank and a sedimentation tank, the bottom of the water supply pipeline extends to the lower end of the water storage tank, the upper end of the partition plate is provided with a water guide port, and the filter grid is arranged in the sedimentation tank below the water guide port.
Preferably, the lower extreme of partition panel is one side slope structure setting towards the precipitation tank, be equipped with the waste water pipeline on the precipitation tank, the top that the partition panel slope part was located to the filter grille is run through to the bottom of waste water pipeline, and the precipitation tank lower extreme of the low one end of partition panel slope is equipped with the exhaust mouth, is equipped with the exhaust valve on the exhaust mouth.
Preferably, the upper end inside the steam outlet is provided with a water-steam separation membrane, the steam outlet below the water-steam separation membrane is connected with the upper end on one side of the distillation kettle body through a communication port, the bottom of the steam outlet is provided with a water guide plate, and one end of the water guide plate is obliquely arranged below the communication port towards one side of the distillation kettle body.
Preferably, the condensation heat exchange tube is in a U-shaped tube structure.
Preferably, the inside of water guide port is equipped with the filter screen plate, the filtration pore of filter screen plate is less than the filtration pore setting of filter screen.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the high-concentration wastewater dryer, the distillation kettle body, the condensing mechanism and the secondary condenser are arranged for heating evaporation and cooling evaporation liquid recycling of precipitation and filtration wastewater, so that the wastewater treatment water quality is improved, and the stirring frame and the scraper arranged in the distillation kettle body are used for cleaning evaporation scaling of wastewater in a cavity of the distillation kettle, so that the equipment can run for a long time;
2. according to the high-concentration waste water dryer, the condensation heat exchange tube is arranged in the condensation shell, waste water enters the condensation heat exchange tube for primary cooling of steam, waste water is heated by fully utilizing the waste heat of the steam, the energy consumption and time in the distillation kettle body can be reduced due to heating before evaporation of the waste water, and the energy conservation is better;
3. according to the high-concentration waste water dryer, the partition board is arranged in the water tank, the partition board divides the interior of the water tank into the water storage tank and the sedimentation tank, and the waste water is sedimentated and filtered before evaporation, so that the scaling amount of the waste water evaporated in the cavity of the distillation still can be reduced, and meanwhile, the blockage of the condensation heat exchange pipe and the water supply pipeline is prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a condensing mechanism according to the present utility model;
FIG. 3 is a schematic view of a water tank according to the present utility model;
FIG. 4 is a schematic view of a partition panel according to the present utility model;
fig. 5 is a schematic view of the structure of the steam outlet in the present utility model.
In the figure: 1. a distillation kettle body; 2. a condensing mechanism; 21. a condensing housing; 22. condensing the heat exchange tube; 23. a water-cooling inlet; 24. a water-cooling outlet; 25. a steam inlet; 26. a condensation outlet; 3. a steam outlet; 31. a water-vapor separation membrane; 32. a communication port; 33. a water guide plate; 4. a stirring rack; 41. a servo motor; 42. a scraper; 5. a discharge port; 6. a water tank; 61. a partition panel; 611. a water guide port; 62. a water storage tank; 63. a precipitation tank; 64. a filter grid; 7. a liquid inlet pipeline; 71. a steam line; 8. a recovery pipe; 81. a second-stage condenser; 9. a vacuum pump; 10. a buffer tank; 11. a recovery water pump; 12. and a water supply pipeline.
Detailed Description
The technical scheme of the utility model is clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the high-concentration wastewater dryer of the embodiment comprises a distillation kettle body 1, wherein an agitating mechanism is arranged in the distillation kettle body 1, a steam outlet 3 is arranged at the upper end of one side of the distillation kettle body 1, the steam outlet 3 is connected with the steam input end of a condensing mechanism 2 through a steam pipeline 71, the condensing mechanism 2 is connected with the input end of a secondary condenser 81 through a recovery pipeline 8, the output end of the secondary condenser 81 is connected with the input end of a vacuum pump 9 through the recovery pipeline 8, the output end of the vacuum pump 9 is connected with a buffer tank 10 through the recovery pipeline 8, the buffer tank 10 is connected with the input end of a recovery water pump 11 through the recovery pipeline 8, the output end of the recovery water pump 11 is connected with water equipment, the lower end of one side of the distillation still body 1 is provided with a discharge port 5, the discharge port 5 is used for discharging mud and dirt in the distillation still body 1, the other side of the distillation still body 1 is provided with a water tank 6, a filtering mechanism is arranged in the water tank 6, the water tank 6 is connected with a condensing mechanism 2 through a water supply pipeline 12, one end of the water supply pipeline 12, which is close to the water tank 6, is provided with a water supply pump, the top of the distillation still body 1 is provided with a liquid inlet, the liquid inlet is connected with a water cooling end of the condensing mechanism 2 through a liquid inlet pipeline 7, and the distillation still body 1, the condensing mechanism 2 and a secondary condenser 81 are arranged for precipitating and filtering heating evaporation and cooling evaporation liquid recycling of waste water, so that the waste water treatment quality is improved; unlike the three-effect and MVR in the market, which can only concentrate, has large equipment volume, is not easy to produce in batch in factories, is not easy to transport, cannot dry and is easy to scale, the equipment adopts a horizontal type, reduces the space and is easy to transport.
Specifically, stirring mechanism includes stirring frame 4, servo motor 41 and scraper 42, the inside rotation of the distillation kettle body 1 is equipped with stirring frame 4, the one end of stirring frame 4 is sealed to run through the distillation kettle body 1 and is connected with servo motor 41's output, servo motor 41 passes through the motor frame and installs in one side of the distillation kettle body 1, be equipped with scraper 42 through the knife rest on the stirring frame 4, the edge of a knife of scraper 42 is close to the inner wall setting of the distillation kettle body 1, scraper 42 is the heliciform and locates on stirring frame 4, be used for the clearance of waste water evaporation scale deposit in the distillation kettle body 1 cavity, equipment can long-term operation, the energy consumption that the scale deposit produced can be reduced in the rotatory energy consumption that can reach maintenance-free purpose, scraper 42 is the heliciform setting and can be used as spiral material conveying, under the effect of scraper 42, open the discharge port 5 on the distillation kettle body 1, the mud deposit that will scrape is discharged by discharge port 5 the distillation kettle body 1.
Further, the condensing mechanism 2 includes a condensing shell 21 and a condensing heat exchange tube 22, the condensing shell 21 is internally provided with the condensing heat exchange tube 22, one end of the condensing heat exchange tube 22 is connected with a water cooling inlet 23 on the condensing shell 21, the other end of the condensing heat exchange tube 22 is connected with a water cooling outlet 24 on the condensing shell 21, the water cooling inlet 23 is connected with the water supply pipeline 12, the water cooling outlet 24 is connected with the liquid inlet pipeline 7, one end of the condensing shell 21 is provided with a steam inlet 25, the steam inlet 25 is connected with a steam pipeline 71, the other end of the condensing shell 21 is provided with a condensing outlet 26, the condensing outlet 26 is connected with the recovery pipeline 8, waste water enters the condensing heat exchange tube 22 for primary cooling of the steam, waste water is heated by fully utilizing the waste heat of the steam, the heating before the waste water evaporation can reduce the energy consumption and time in the distillation kettle body 1, and the energy conservation is better.
Further, the filtering mechanism comprises a partition plate 61 and a filtering grid 64, the partition plate 61 is arranged in the water tank 6, the partition plate 61 divides the interior of the water tank 6 into a water storage tank 62 and a sedimentation tank 63, the bottom of the water supply pipeline 12 extends to the lower end of the water storage tank 62, a water guide port 611 is arranged at the upper end of the partition plate 61, the filtering grid 64 is arranged in the sedimentation tank 63 below the water guide port 611, and the waste water is sedimented and filtered before evaporation, so that the scaling amount of the waste water evaporated in the cavity of the distillation kettle body 1 can be reduced, and meanwhile, the blockage of the condensation heat exchange pipe 22 and the water supply pipeline 12 is prevented.
Further, the lower extreme of partition panel 61 is the one side slope structure setting towards precipitation tank 63, be equipped with the waste water pipeline on the precipitation tank 63, the top of partition panel 61 slope part is located to the bottom of waste water pipeline run through filter grille 64, and the precipitation tank 63 lower extreme of the low one end of partition panel 61 slope is equipped with the exhaust mouth, is equipped with the exhaust valve on the exhaust mouth, and the precipitation of impurity in the waste water is accelerated to the partition panel 61 of slope.
Further, the inside upper end of steam outlet 3 is equipped with water vapor separation membrane 31, connect through intercommunication mouth 32 between the steam outlet 3 of water vapor separation membrane 31 below and the upper end of the distillation kettle body 1 one side, the bottom of steam outlet 3 is equipped with water guide plate 33, the one end of water guide plate 33 is the below of locating intercommunication mouth 32 towards the slope of the distillation kettle body 1 side, and the waste water that carries in the steam separation membrane 31 separation steam.
Further, the condensation heat exchange tube 22 is in a U-shaped tube structure, and has a large heat exchange contact area.
Still further, a filter screen plate is disposed inside the water guide 611, and the filter holes of the filter screen plate are smaller than those of the filter screen 64, so as to be used for secondary filtering of the wastewater in the water tank 6.
The application method of the embodiment is as follows: the waste water is conveyed into the sedimentation tank 63 by a waste water pipeline, the waste water is precipitated in the sedimentation tank 63, when the waste water amount storage height in the sedimentation tank 63 reaches the height of a water guide port 611 on a partition plate 61, the waste water in the sedimentation tank 63 is filtered for one time by a filter grid 64 and then enters a water storage tank 6 by the water guide port 611, the waste water in the water storage tank 62 is filtered for the second time by the filter grid because the filter grid 611 is arranged in the water guide port 611, the waste water in the water storage tank 62 enters a condensation heat exchange tube 22 in a condensation shell 21 by a water supply pump through a water supply pipeline 12 and a water cooling inlet 23, high-temperature steam generated by a distillation kettle body 1 enters a steam outlet 3 through a communication port 32, the waste water carried in the steam is separated by a water-vapor separation membrane 31, the steam enters the condensation shell 21 through a steam pipeline 71, the high-temperature steam in the condensation shell 21 heats the low-temperature waste water in the condensation heat exchange tube 22, the high-temperature steam is condensed in the condensation shell 21 in a first stage, condensed water and residual steam after the first-stage condensation in the condensation shell 21 enter a second-stage condenser 81 through a recovery pipeline 8 for second-stage condensation through a condensation outlet 26, then enter a buffer tank 10 through the recovery pipeline 8 and a vacuum pump 9, the condensed water recovered in the buffer tank 10 is supplied with water through a recovery water pump 11 for use, the waste water is heated in a condensation heat exchange pipe 22 and then enters a distillation kettle body 1 through a water cooling outlet 24 and a liquid inlet pipeline 7 for precipitation and filtration of the waste water for heating evaporation, cooling evaporation liquid recycling, the waste water treatment quality is improved, a servo motor 41 drives a stirring frame 4 and a scraper 42 in the distillation kettle body 1 to rotate for cleaning waste water evaporation scaling in a cavity of the distillation kettle body 1, the equipment can run for a long time, the waste water is heated by fully utilizing the waste heat of the steam, the heating before the waste water evaporation can reduce the energy consumption and the time in the distillation kettle body 1, the energy saving performance is better, the partition board 61 divides the interior of the water tank 6 into the water storage tank 62 and the sedimentation tank 63, the waste water is sedimentated and filtered before being evaporated, the scaling amount of the waste water evaporated in the cavity of the distillation still body 1 can be reduced, and the blockage of the condensation heat exchange pipe 22 and the water supply pipeline 12 is prevented.
Finally, it should be noted that: the above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and those skilled in the art may make modifications and equivalents to the technical solutions described in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a high-concentration waste water desiccator, includes the distillation cauldron body (1), its characterized in that: the inside of the distillation still body (1) is provided with an agitating mechanism, the upper end of one side of the distillation still body (1) is provided with a steam outlet (3), the steam outlet (3) is connected with a steam input end of a condensing mechanism (2) through a steam pipeline (71), the condensing mechanism (2) is connected with an input end of a secondary condenser (81) through a recovery pipeline (8), an output end of the secondary condenser (81) is connected with an input end of a vacuum pump (9) through the recovery pipeline (8), an output end of the vacuum pump (9) is connected with a buffer tank (10) through the recovery pipeline (8), the buffer tank (10) is connected with an input end of a recovery water pump (11) through the recovery pipeline (8), an output end of the recovery water pump (11) is connected with water equipment, a lower end of one side of the distillation still body (1) is provided with a discharge port (5), an other side of the distillation still body (1) is provided with a water tank (6), the inside of the water tank (6) is provided with a filtering mechanism, the water tank (6) is connected with the water supply pipeline (12) through the water supply pipeline (2) and the water supply mechanism (1) is connected with a water inlet (7), and the water inlet of the distillation still body (1) is connected with a water inlet (7).
2. The high concentration wastewater dryer of claim 1, wherein: stirring mechanism includes stirring frame (4), servo motor (41) and scraper (42), the inside rotation of the distillation still body (1) is equipped with stirring frame (4), the one end of stirring frame (4) is sealed to run through distillation still body (1) and is connected with the output of servo motor (41) through the shaft coupling, servo motor (41) are installed in one side of the distillation still body (1) through the motor frame, be equipped with scraper (42) through the knife rest on stirring frame (4), the edge of a knife of scraper (42) is close to the inner wall setting of the distillation still body (1), scraper (42) are the heliciform and locate on stirring frame (4).
3. The high concentration wastewater dryer of claim 1, wherein: the condensing mechanism (2) comprises a condensing shell (21) and a condensing heat exchange tube (22), the condensing shell (21) is internally provided with the condensing heat exchange tube (22), one end of the condensing heat exchange tube (22) is connected with a water cooling inlet (23) on the condensing shell (21), the other end of the condensing heat exchange tube (22) is connected with a water cooling outlet (24) on the condensing shell (21), the water cooling inlet (23) is connected with a water supply pipeline (12), the water cooling outlet (24) is connected with a liquid inlet pipeline (7), one end of the condensing shell (21) is provided with a steam inlet (25), the steam inlet (25) is connected with a steam pipeline (71), the other end of the condensing shell (21) is provided with a condensing outlet (26), and the condensing outlet (26) is connected with a recovery pipeline (8).
4. The high concentration wastewater dryer of claim 1, wherein: the filter mechanism comprises a partition plate (61) and a filter grid (64), the partition plate (61) is arranged in the water tank (6), the partition plate (61) divides the water tank (6) into a water storage tank (62) and a sedimentation tank (63), the bottom of the water supply pipeline (12) extends to the lower end of the water storage tank (62), a water guide port (611) is arranged at the upper end of the partition plate (61), and the filter grid (64) is arranged in the sedimentation tank (63) below the water guide port (611).
5. The high-concentration wastewater dryer as claimed in claim 4, wherein: the lower extreme of partition panel (61) is one side slope structure setting towards precipitation tank (63), be equipped with the waste water pipeline on precipitation tank (63), the top of partition panel (61) slope part is located in filtration grid (64) is run through to the bottom of waste water pipeline, and precipitation tank (63) lower extreme of the one end that partition panel (61) slope is low is equipped with the exhaust mouth, is equipped with the exhaust valve on the exhaust mouth.
6. The high concentration wastewater dryer of claim 1, wherein: the inside upper end of steam outlet (3) is equipped with steam separation membrane (31), connect through intercommunication mouth (32) between steam outlet (3) and the upper end of stills body (1) one side of steam separation membrane (31) below, the bottom of steam outlet (3) is equipped with water guide plate (33), the one end of water guide plate (33) is the below of locating intercommunication mouth (32) towards stills body (1) one side slope.
7. A high concentration waste water dryer as claimed in claim 3, wherein: the condensing heat exchange tube (22) is in a U-shaped tube structure.
8. The high-concentration wastewater dryer as claimed in claim 4, wherein: the inside of water guide mouth (611) is equipped with the filter screen board, the filtration pore of filter screen board is less than the filtration pore setting of filtration grid (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320264898.8U CN219297328U (en) | 2023-02-21 | 2023-02-21 | High-concentration waste water dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320264898.8U CN219297328U (en) | 2023-02-21 | 2023-02-21 | High-concentration waste water dryer |
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| Publication Number | Publication Date |
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| CN219297328U true CN219297328U (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320264898.8U Active CN219297328U (en) | 2023-02-21 | 2023-02-21 | High-concentration waste water dryer |
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| CN (1) | CN219297328U (en) |
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2023
- 2023-02-21 CN CN202320264898.8U patent/CN219297328U/en active Active
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