CN215102383U - Wastewater treatment device in stevioside production - Google Patents
Wastewater treatment device in stevioside production Download PDFInfo
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- CN215102383U CN215102383U CN202121482284.4U CN202121482284U CN215102383U CN 215102383 U CN215102383 U CN 215102383U CN 202121482284 U CN202121482284 U CN 202121482284U CN 215102383 U CN215102383 U CN 215102383U
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Abstract
The utility model discloses a wastewater treatment device in stevioside production, which comprises a settling tank, a filter tank and a reverse osmosis treatment device which are sequentially communicated by pipelines; the reverse osmosis treatment device comprises a reverse osmosis membrane element. Waste water is earlier through the setting tank with wherein great impurity precipitation, then filter wherein less impurity through the rose box again, waste water after deposiing and filtering gets into reverse osmosis treatment device and handles, the possibility that reverse osmosis membrane element blockked up reduces greatly like this, the cost of maintenance of equipment has been saved, the while purified water collecting box collects the retrieval and utilization with the purified water after reverse osmosis treatment device handles, the waste of resource has been avoided, the cost is practiced thrift, the while purified water can also be washed reverse osmosis membrane element, the possibility of jam has been reduced.
Description
Technical Field
The utility model relates to a waste water treatment technical field in the stevioside production, concretely relates to waste water treatment device in stevioside production.
Background
Stevioside, also known as stevioside, is a glycoside extracted from the leaves of stevia rebaudiana Bertoni of Compositae. Acid washing and alkali washing are needed in stevioside production, a large amount of waste water generated by acid washing and alkali washing is treated to cause great pressure on the environment, meanwhile, the waste water is directly discharged after direct treatment to cause great resource waste, the existing waste water treatment device is very easy to block when treating waste water, and the maintenance cost is high.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the wastewater treatment device in stevioside production is provided, the treated wastewater can be recycled for most parts, and meanwhile, the device is not easy to block, so that the cost is saved.
In order to solve the technical problem, the technical scheme of the utility model is that:
a wastewater treatment device in stevioside production comprises a settling tank, a filter tank and a reverse osmosis treatment device which are sequentially communicated through pipelines;
the reverse osmosis treatment device comprises a reverse osmosis membrane element, a water inlet end pipeline of the reverse osmosis membrane element is communicated to a filter box, a purified water outlet end pipeline of the reverse osmosis membrane element is communicated to a purified water collecting box, and a concentrated water outlet end pipeline of the reverse osmosis membrane element is communicated to a concentrated water collecting box;
the purified water collecting box is communicated to the water inlet end of the reverse osmosis membrane element through a circulating pump pipeline.
As an improved technical scheme, the settling tank is provided with a plurality of baffles, and the heights of the baffles are sequentially reduced along the water flow direction.
As an improved technical scheme, a plurality of obliquely arranged filtering devices are axially arranged in the filtering box, and a slag discharging port is formed in the lower end of each filtering device of the filtering box.
As an improved technical scheme, the filtering device comprises a frame body fixedly connected with the inner wall of the filtering box, and a filtering net is detachably connected inside the frame body.
As an improved technical scheme, the inclination directions of the adjacent filtering devices are opposite.
As an improved technical scheme, the reverse osmosis treatment device is provided with a box body, and the reverse osmosis membrane element is arranged in the box body.
As the preferred technical scheme, the concentrated water collecting box is communicated to a sewage treatment system through a pipeline.
As the preferred technical scheme, the water inlet end of the reverse osmosis membrane element is provided with a scale inhibition device.
As a preferable technical scheme, the reverse osmosis membrane device further comprises a clear water tank, and the clear water tank is communicated to the water inlet end of the reverse osmosis membrane element through a circulating pump pipeline.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model relates to a wastewater treatment device in stevioside production, which comprises a settling tank, a filter tank and a reverse osmosis treatment device which are sequentially communicated by pipelines; the reverse osmosis treatment device comprises a reverse osmosis membrane element, a water inlet end pipeline of the reverse osmosis membrane element is communicated to a filter box, a purified water outlet end pipeline of the reverse osmosis membrane element is communicated to a purified water collecting box, and a concentrated water outlet end pipeline of the reverse osmosis membrane element is communicated to a concentrated water collecting box; the purified water collecting box is communicated to the water inlet end of the reverse osmosis membrane element through a circulating pump pipeline. Waste water is earlier through the setting tank with wherein great impurity precipitation, then filter wherein less impurity through the rose box again, waste water after deposiing and filtering gets into reverse osmosis treatment device and handles, the possibility that reverse osmosis membrane element blockked up reduces greatly like this, the cost of maintenance of equipment has been saved, the while purified water collecting box collects the retrieval and utilization with the purified water after reverse osmosis treatment device handles, the waste of resource has been avoided, the cost is practiced thrift, the while purified water can also be washed reverse osmosis membrane element, the possibility of jam has been reduced.
The utility model discloses a settling tank is equipped with a plurality of baffles, the height of baffle reduces along the rivers direction in proper order, and a plurality of sedimentation tanks are cut apart into with the settling tank to the baffle of a plurality of settings, and the water level in the last sedimentation tank rises to get into next sedimentation tank behind the take the altitude, has realized the multiple sedimentation of waste water, and the effect of precipitation is better.
The filter box is characterized in that a plurality of obliquely arranged filter devices are axially arranged in the filter box, and a slag discharge port is formed in the lower end of each filter device. Can in time derive the rose box with the residue that filter equipment produced outside, prevent to influence the filter effect.
The filter device comprises a frame body fixedly connected with the inner wall of the filter box, a filter screen is detachably connected inside the frame body, an upper cover is arranged at the upper end of the filter box, the filter screen can be conveniently replaced, and the filter effect is guaranteed.
Adjacent filter equipment inclination opposite direction has increased the distance of waste water through the filter screen, has increased the actual area of contact with the filter screen, and the filter effect is better.
The reverse osmosis treatment device is provided with a box body, the reverse osmosis membrane elements are arranged in the box body, on one hand, the box body can prevent odor from being emitted out to cause harm to the environment, and on the other hand, the box body can play a role in protecting the reverse osmosis membrane elements.
The concentrated water collecting box is communicated to the sewage treatment system through a pipeline, collected concentrated water is further treated, and harm to the environment is reduced.
The water inlet end of the reverse osmosis membrane element is provided with a scale inhibition device, and the scale inhibition device can filter the wastewater entering the reverse osmosis membrane element again to prevent macromolecular impurities from entering the reverse osmosis membrane element to cause blockage.
The reverse osmosis membrane cleaning device is characterized by further comprising a clean water tank, wherein the clean water tank is communicated to the water inlet end of the reverse osmosis membrane element through a circulating pump pipeline, and when the reverse osmosis membrane element is not cleaned well by purified water generated by the reverse osmosis membrane element, clean water in the clean water tank can be adopted to clean the reverse osmosis membrane element, so that the reverse osmosis membrane element is ensured to be in a normal working state.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the settling tank and the filtration tank of FIG. 1;
FIG. 3 is a schematic view showing the construction of the reverse osmosis treatment apparatus of FIG. 1;
FIG. 4 is an enlarged view at A of FIG. 1;
wherein: 1. a settling tank; 2. a filter box; 3. a reverse osmosis treatment device; 4. a reverse osmosis membrane element; 5. a purified water collection tank; 6. a concentrated water collecting box; 7. a circulation pump; 8. a baffle plate; 9. a slag discharge port; 10. a filter screen; 11. a frame body; 12. a scale inhibition device; 13. a water inlet end; 14. a clear water tank; 15. a box body; 16. a purified water outlet end; 17. a concentrated water outlet end; 18. and a water supply pump.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in figures 1-4, a wastewater treatment device in stevioside production comprises a settling tank 1, a filter tank 2 and a reverse osmosis treatment device 3 which are sequentially communicated through pipelines, wherein a wastewater inlet is formed in the upper end of the settling tank 1, the wastewater inlet pipeline is communicated with a wastewater storage tank, a water supply pump 18 is arranged between the filter tank 2 and the reverse osmosis treatment device 3, and valves are arranged on pipelines between adjacent devices. The reverse osmosis treatment device 3 comprises a reverse osmosis membrane element 4, a water inlet end 13 of the reverse osmosis membrane element 4 is communicated with the filter box 2 through a pipeline, a purified water outlet end 16 of the reverse osmosis membrane element 4 is communicated with the purified water collecting box 5 through a pipeline, and a concentrated water outlet end 17 of the reverse osmosis membrane element 4 is communicated with the concentrated water collecting box 6 through a pipeline; the purified water collecting box 5 is communicated to a water inlet end 13 of the reverse osmosis membrane element 4 through a circulating pump 7. Waste water is earlier through setting tank 1 with wherein great impurity precipitation, then filters wherein less impurity through rose box 2 again, then turns into purified water and dense water through reverse osmosis membrane element 4's processing, and the purified water can be retrieved for use, make full use of resource, and dense water can be further through sewage treatment, discharges after the compliance. The waste water after the precipitation and the filtration enters the reverse osmosis treatment device 3 for treatment, so that the possibility of blockage of the reverse osmosis membrane element 4 is greatly reduced, the cost of maintaining equipment is saved, and meanwhile, the purified water collecting box 5 collects and recycles the purified water treated by the reverse osmosis treatment device 3, so that the waste of resources is avoided, the cost is saved, and meanwhile, the purified water can also wash the reverse osmosis membrane element 4, thereby reducing the possibility of blockage.
Settling tank 1 is equipped with a plurality of baffles 8, baffle 8 highly reduce along the rivers direction in proper order, and a plurality of baffles 8 that set up cut apart into a plurality of sedimentation tanks with settling tank 1, and the water level in the last sedimentation tank rises to get into next sedimentation tank behind the take the altitude, has realized the many times of the sediment of waste water, and the sedimentation effect is better.
A plurality of obliquely arranged filtering devices are axially arranged in the filtering box 2, and the included angle between the filtering devices and the horizontal direction is 30 degrees in the embodiment. Filter tank 2 is in slag notch 9 has been seted up to filter equipment's lower extreme, and slag notch 9 realizes the switching through reciprocating of gate, is equipped with the sealing layer simultaneously between gate and filter tank 2, prevents to leak. Can in time derive the residue that filter equipment produced outside rose box 2, prevent to influence the filter effect.
The filter device comprises a frame body 11 fixedly connected with the inner wall of the filter box 2, a filter screen 10 is detachably connected inside the frame body 11, an upper cover is arranged at the upper end of the filter box 2, the filter screen 10 can be conveniently replaced, and the filter effect is ensured.
Adjacent filter equipment inclination opposite direction has increased the flow path of waste water through filter screen 10, has increased the actual area of contact with filter screen 10, and the filter effect is better.
Reverse osmosis treatment device 3 is equipped with box 15, reverse osmosis membrane element 4 is established in the box 15, thereby box 15 can prevent that the smell from distributing away and cause harm to the environment on the one hand, and on the other hand box 15 can play the guard action to reverse osmosis membrane element 4.
The concentrated water collecting box 6 is communicated to a sewage treatment system through a pipeline, collected concentrated water is further treated, and harm to the environment is reduced.
Reverse osmosis membrane element 4's the end 13 of intaking is equipped with and hinders dirty device 12, and dirty device 12 can carry out secondary filtration with the waste water that gets into reverse osmosis membrane element 4, prevents that the impurity of macromolecule from getting into reverse osmosis membrane element 4 and causing the jam.
Still include the clear water tank 14, the clear water tank 14 communicates to through circulating pump 7 pipeline the intake end 13 of reverse osmosis membrane element 4, and the clear water that can adopt in the clear water tank 14 when the purified water that produces reverse osmosis membrane element 4 washd effect is not good to reverse osmosis membrane element 4 washes, guarantees that reverse osmosis membrane element 4 is in normal operating condition.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (9)
1. The utility model provides a effluent treatment plant in stevioside production which characterized in that: comprises a settling tank, a filter tank and a reverse osmosis treatment device which are communicated in sequence through pipelines;
the reverse osmosis treatment device comprises a reverse osmosis membrane element, a water inlet end pipeline of the reverse osmosis membrane element is communicated to a filter box, a purified water outlet end pipeline of the reverse osmosis membrane element is communicated to a purified water collecting box, and a concentrated water outlet end pipeline of the reverse osmosis membrane element is communicated to a concentrated water collecting box;
the purified water collecting box is communicated to the water inlet end of the reverse osmosis membrane element through a circulating pump pipeline.
2. The device for treating the wastewater in the stevioside production as claimed in claim 1, wherein: the settling tank is provided with a plurality of baffles, and the heights of the baffles are sequentially reduced along the water flow direction.
3. The device for treating the wastewater in the stevioside production as claimed in claim 1, wherein: the filter box is characterized in that a plurality of obliquely arranged filter devices are axially arranged in the filter box, and a slag discharge port is formed in the lower end of each filter device.
4. The device for treating the wastewater in the stevioside production as claimed in claim 3, wherein: the filter device comprises a frame body fixedly connected with the inner wall of the filter box, and a filter screen is detachably connected inside the frame body.
5. The device for treating the wastewater in the stevioside production as claimed in claim 3, wherein: the adjacent filter devices are inclined in opposite directions.
6. The device for treating the wastewater in the stevioside production as claimed in claim 1, wherein: the reverse osmosis treatment device is provided with a box body, and the reverse osmosis membrane element is arranged in the box body.
7. The device for treating the wastewater in the stevioside production as claimed in claim 1, wherein: the concentrated water collecting box is communicated to a sewage treatment system through a pipeline.
8. The device for treating the wastewater in the stevioside production as claimed in claim 1, wherein: and a scale inhibition device is arranged at the water inlet end of the reverse osmosis membrane element.
9. The device for treating the wastewater in the stevioside production as claimed in claim 1, wherein: the water inlet end of the reverse osmosis membrane element is communicated with the water inlet end of the reverse osmosis membrane element through a circulating pump pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482284.4U CN215102383U (en) | 2021-06-30 | 2021-06-30 | Wastewater treatment device in stevioside production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482284.4U CN215102383U (en) | 2021-06-30 | 2021-06-30 | Wastewater treatment device in stevioside production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215102383U true CN215102383U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121482284.4U Active CN215102383U (en) | 2021-06-30 | 2021-06-30 | Wastewater treatment device in stevioside production |
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| CN (1) | CN215102383U (en) |
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2021
- 2021-06-30 CN CN202121482284.4U patent/CN215102383U/en active Active
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