CN219010117U - Reverse osmosis concentrated water low-sludge hardness removal treatment device - Google Patents
Reverse osmosis concentrated water low-sludge hardness removal treatment device Download PDFInfo
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- CN219010117U CN219010117U CN202223553276.1U CN202223553276U CN219010117U CN 219010117 U CN219010117 U CN 219010117U CN 202223553276 U CN202223553276 U CN 202223553276U CN 219010117 U CN219010117 U CN 219010117U
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Abstract
The utility model discloses a reverse osmosis concentrated water low-sludge hard removal treatment device which comprises a front mixing tank, a rear mixing tank, a flocculation reaction tank, a clarification tank and a water collecting tank which are sequentially communicated and integrated in a structure, wherein the front mixing tank is provided with a sodium hydroxide dosing pump, the rear mixing tank is provided with a sodium carbonate/flocculant dosing pump, and the flocculation reaction tank is provided with a coagulant aid dosing pump. Besides the high-efficiency sedimentation effect of the sedimentation technology on the turbidity matters in the RO concentrated water, the utility model utilizes sodium hydroxide to sediment magnesium ions, utilizes sodium carbonate to sediment calcium ions, simultaneously utilizes the sediment net capturing and adsorption effect of the external circulation reflux sludge to strengthen the removal of the turbidity matters and the organic matters in the water, has stronger removal capability on heavy metals, organic matters and turbidity matters in the RO concentrated water, has the characteristics of good water quality, less medicine consumption, small occupied area and furthest reduction of the treatment burden of the subsequent technology, and is particularly suitable for the pretreatment process of the hardness sewage treatment.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a reverse osmosis concentrated water low-sludge hardness removal treatment device.
Background
Reverse Osmosis (RO) technology is one of the most mature physical desalination technologies in the current water treatment desalination technology, and can effectively remove ions in water. In the design and use process, according to the differentiation of conditions such as water source condition and water requirement of users, reverse osmosis water treatment systems with different process flows are formed, and the application is wider.
RO equipment can produce more RO dense water, and inorganic salt and solubility organic matter, bacterium, virus are more in the RO dense water, and is unsuitable direct efflux or processing, usually can utilize precipitation equipment to carry out preliminary treatment, realize mud-water separation, remove salt and remove hard, get rid of functions such as suspended solid. However, the traditional sedimentation tank often has the problems of large occupied area, low treatment efficiency, unstable effluent quality, separation in the flocculation sedimentation process and the like.
Disclosure of Invention
The utility model provides a reverse osmosis concentrated water low-sludge hard removal treatment device for improving the treatment efficiency of removing sludge hard by RO concentrated water.
The technical scheme adopted by the utility model is as follows: the utility model provides a reverse osmosis dense water low sludge removes hard processing apparatus, includes front mixing tank, back mixing tank, flocculation reaction tank, clarification tank and the catch basin that communicate in proper order and synthesize in a structure, the bottom intercommunication of clarification tank has the mud to discharge the pump, the clarification tank with be equipped with the mud circulating pump between the flocculation reaction tank, front mixing tank is furnished with sodium hydroxide charge pump, back mixing tank is furnished with sodium carbonate flocculating agent charge pump, flocculation reaction tank is furnished with the coagulant aid charge pump.
Preferably, the sludge discharge pump is connected in parallel with the sludge circulation pump, and a standby pump is connected in parallel.
Preferably, the sludge discharge pump, the sludge circulation pump and the standby pump are provided with cleaning pipelines, and the cleaning pipelines take reverse osmosis concentrated water as a cleaning water source.
Preferably, a PH regulating tank is arranged behind the water collecting tank, and the PH regulating tank is provided with a hydrochloric acid dosing pump.
Preferably, a gate well is arranged between the post-mixing tank and the flocculation reaction tank.
Preferably, the clarifying tank adopts a inclined pipe or inclined plate sedimentation structure and is provided with a concentration rake.
Preferably, the two sets of equipment are built in parallel in one structure.
The utility model has the following beneficial effects: besides the high-efficiency sedimentation effect of the sedimentation technology on the turbidity matters in the RO concentrated water, the utility model utilizes the sodium hydroxide to sediment magnesium ions and utilizes the sodium carbonate to sediment calcium ions by arranging the front mixing tank and the rear mixing tank, and simultaneously utilizes the sedimentation net capturing and adsorption effect of the external circulation backflow sludge to strengthen the removal of the turbidity matters and the organic matters in the water, has stronger removal capability on heavy metals, organic matters and turbidity matters in the RO concentrated water, has the characteristics of good effluent quality, low medicine consumption and small occupied area, and furthest reduces the treatment burden of the follow-up technology, and is particularly suitable for the pretreatment process of the hardness sewage treatment.
Drawings
Fig. 1 is a functional block diagram of an embodiment of the present utility model.
FIG. 2 is a flow chart of a plumbing meter according to an embodiment of the present utility model.
Fig. 3 is a plan layout view of an embodiment of the present utility model.
The device comprises a front mixing tank 1, a rear mixing tank 2, a flocculation reaction tank 3, a clarification tank 4, a PH regulating tank 5, a sludge discharge pump 6, a sludge circulation pump 7, a standby pump 8, a cleaning pipeline 9, a PH regulating tank 10 and a gate well 11.
Detailed Description
The utility model will be further described with reference to examples and drawings.
In an embodiment, as shown in fig. 1-2, the device for removing hard sludge from reverse osmosis concentrated water comprises a front mixing tank 1, a rear mixing tank 2, a flocculation reaction tank 3, a clarification tank 4 and a water collecting tank 5 which are sequentially communicated and integrated in a structure, wherein a sludge discharge pump 6 is communicated at the bottom of the clarification tank 4, a sludge circulation pump 7 is arranged between the clarification tank 4 and the flocculation reaction tank 3, the front mixing tank 1 is provided with a sodium hydroxide dosing pump, the rear mixing tank 2 is provided with a sodium carbonate/flocculant dosing pump, and the flocculation reaction tank 3 is provided with a coagulant aid dosing pump. Wherein sodium hydroxide aims at magnesium ions in reverse osmosis concentrated water; sodium carbonate is directed against calcium ions; the flocculant and the coagulant aid realize efficient flocculation polymerization. In the embodiment, besides the high-efficiency sedimentation effect of the sedimentation technology on the turbidity substances in the RO concentrated water, the front mixing tank 1 and the rear mixing tank 2 are arranged, magnesium ions are precipitated by sodium hydroxide, calcium ions are precipitated by sodium carbonate, and meanwhile, the sedimentation net capturing and adsorption effect of the external circulation backflow sludge are utilized, so that the removal of the turbidity substances and the organic substances in the water is enhanced, the removal capability of the heavy metals, the organic substances and the turbidity substances in the RO concentrated water is enhanced, and the method has the characteristics of good water quality, less medicine consumption, small occupied area and capability of maximally reducing the treatment burden of the subsequent technology, and is particularly suitable for the pretreatment process of the hardness sewage treatment.
In the embodiment, as shown in fig. 1-2, the sludge discharge pump 6 is connected in parallel with the sludge circulation pump 7, and simultaneously connected in parallel with the backup pump 8. The embodiment is provided with the mutually independent sludge discharge pump 6 and the sludge circulating pump 7, which can independently operate and are not mutually interfered, so that the continuity of equipment operation is ensured. The standby pump 8 can be used as a standby of the sludge discharge pump 6 and also can be used as a standby of the sludge circulation pump 7. Generally, the parameters of the three pumps are the same, but the sludge circulation pump 7 can also use a lower pressure value, for example, the sludge discharge pump 6 and the standby pump 8 can use 0.4MPa, and the sludge circulation pump 7 can use 0.2MPa.
In the embodiment, as shown in fig. 2, the sludge discharge pump 6, the sludge circulation pump 7 and the backup pump 8 are provided with a cleaning pipeline 9, and the cleaning pipeline 9 uses reverse osmosis concentrated water as a cleaning water source. In the embodiment, the RO concentrated water of the concentrated water collecting box is used for cleaning the sludge pump, so that the process cost is low, and the blockage of the pump can be effectively avoided.
In the embodiment, as shown in fig. 1 and 2, the water collecting tank 5 is provided with a PH adjusting tank 10, and the PH adjusting tank 10 is provided with a hydrochloric acid dosing pump. The pH adjusting tank 10 of the present embodiment plays a role of neutralization adjustment to facilitate the processing of the subsequent apparatus.
In the embodiment, as shown in fig. 2, a gate well 11 is arranged between the post-mixing tank 2 and the flocculation reaction tank 3. The sluice well 11 can play a role of isolating equipment, is convenient to overhaul and also utilizes the adjustment of the process.
In the embodiment, as shown in fig. 2, the clarifier 4 adopts a inclined pipe or inclined plate sedimentation structure and is provided with a concentration rake. The clarifier 4 with the structure has good sedimentation effect, and promotes the concentration process of the sludge, thereby improving the treatment efficiency.
In an embodiment, as shown in FIG. 3, two sets of equipment are built in parallel in a single structure. The embodiment adopts two parallel devices, has small occupied area, is one by one, is convenient to overhaul, and can maximize the productivity under special conditions.
It is apparent that the above examples of the present utility model are merely illustrative of the present utility model and are not limiting of the embodiments of the present utility model. Other obvious variations or modifications which are extended by the spirit of the present utility model are within the scope of the present utility model.
Claims (7)
1. The utility model provides a reverse osmosis dense water low sludge removes hard processing apparatus, its characterized in that, including front mixing tank (1), back mixing tank (2), flocculation reaction tank (3), clarification tank (4) and catch basin (5) that communicate in proper order and synthesize in a structure, the bottom intercommunication of clarification tank (4) has sludge discharge pump (6), clarification tank (4) with be equipped with mud circulating pump (7) between flocculation reaction tank (3), front mixing tank (1) is furnished with sodium hydroxide charge pump, back mixing tank (2) is furnished with sodium carbonate charge pump and flocculating agent charge pump, flocculation reaction tank (3) are furnished with coagulant aid charge pump.
2. The reverse osmosis concentrated water low-sludge hardness removal treatment device according to claim 1, characterized in that the sludge discharge pump (6) is connected in parallel with the sludge circulation pump (7) while a backup pump (8) is connected in parallel.
3. The reverse osmosis concentrated water low-sludge hardness removal treatment device according to claim 2, wherein the sludge discharge pump (6), the sludge circulation pump (7) and the backup pump (8) are provided with a cleaning pipeline (9), and the cleaning pipeline (9) uses reverse osmosis concentrated water as a cleaning water source.
4. The reverse osmosis concentrated water low-sludge hardness removal device according to claim 1, wherein a PH adjusting tank (10) is arranged behind the water collecting tank (5), and the PH adjusting tank (10) is provided with a hydrochloric acid dosing pump.
5. The reverse osmosis concentrated water low-sludge hardness removal treatment device according to claim 1, wherein a sluice well (11) is arranged between the post-mixing tank (2) and the flocculation reaction tank (3).
6. The device for removing hardness from reverse osmosis concentrated water and low sludge according to claim 1, wherein the clarifier (4) adopts a inclined pipe or inclined plate sedimentation structure and is provided with a concentration rake.
7. The apparatus for removing hardness from reverse osmosis concentrated water and low sludge according to claim 1, wherein the two sets of equipment are built in parallel in one structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202223553276.1U CN219010117U (en) | 2022-12-30 | 2022-12-30 | Reverse osmosis concentrated water low-sludge hardness removal treatment device |
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CN202223553276.1U CN219010117U (en) | 2022-12-30 | 2022-12-30 | Reverse osmosis concentrated water low-sludge hardness removal treatment device |
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CN202223553276.1U Active CN219010117U (en) | 2022-12-30 | 2022-12-30 | Reverse osmosis concentrated water low-sludge hardness removal treatment device |
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- 2022-12-30 CN CN202223553276.1U patent/CN219010117U/en active Active
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