CN213475686U

CN213475686U - Rural feedwater treatment integrated device and water treatment system

Info

Publication number: CN213475686U
Application number: CN202022391707.3U
Authority: CN
Inventors: 顾佳琪; 杨瑞洪
Original assignee: Yangzhou Polytechnic Institute
Current assignee: Xi'an Water Conservancy Construction Engineering Group Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-18
Anticipated expiration: 2030-10-23

Abstract

The scheme relates to a rural water supply treatment integrated device and a water treatment system, wherein the water supply treatment integrated device comprises a micro-electrolysis reaction tank, a coagulation tank, a sedimentation tank, a sand filter tank and a disinfection tank which are sequentially communicated along the water flow direction; stirring devices are arranged in the micro-electrolysis reaction tank and the coagulation tank; the water treatment system comprises the above water supply treatment integrated device and a pretreatment tank, wherein the pretreatment tank is internally provided with a detachable mounting coarse filter screen inserting piece, a pH probe, an acid-base feeding pipe and a pH monitor electrically connected with the pH probe. The utility model discloses a to the improvement of current water treatment facilities structure, simplify water treatment process, the integrated device can get rid of aquatic organic matter, reduces the B/D of former aquatic, fully filters and disinfects to the raw water, and the preliminary treatment pond can improve the life of integrated device, and water treatment system simple structure is with low costs, and water treatment is effectual, and economic benefits is high.

Description

Rural feedwater treatment integrated device and water treatment system

Technical Field

The utility model belongs to the technical field of the feedwater treatment, specifically be a rural feedwater treatment integrated device and water treatment system.

Background

The human daily life can not leave water source, but the raw water in nature can be used by residents after being treated, the traditional water supply treatment process is flocculation-precipitation-filtration, the effect of treating the raw water with stable water quality is still good, but along with the development of society, the current raw water mostly contains a large amount of organic matters, the traditional water treatment process cannot achieve a good effect, however, in some rural areas, due to the fact that the economic level cannot keep pace with the traditional water supply treatment process, water plants still adopt the traditional water supply treatment process, and the water quality of the residents is great.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims at providing a rural feedwater treatment system, which has simple treatment process and high economic benefit.

In order to achieve the above object, the utility model provides a following technical scheme:

a rural water supply treatment integrated device comprises a micro-electrolysis reaction tank, a coagulation tank, a sedimentation tank, a sand filter and a disinfection tank which are sequentially communicated along the water flow direction; and stirring devices are arranged in the micro-electrolysis reaction tank and the coagulation tank.

Furthermore, a backwashing water inlet and a backwashing water outlet are formed in one side of the micro-electrolysis reaction tank; the micro-electrolysis reaction tank is also internally provided with a micro-electrolysis filler layer and a first perforated plate layer for supporting the micro-electrolysis filler layer.

Furthermore, the coagulation tank and the micro-electrolysis reaction tank are communicated through an overflow plate, and a feed inlet is formed in the top of the coagulation tank.

Further, the sedimentation tank is communicated with the bottom of the coagulation tank, the sedimentation tank is square and inclined at the bottom, and a baffle layer is arranged in the sedimentation tank; the baffle layer is inclined from top to bottom, the upper end of the baffle layer points to the coagulation tank, and the lower end of the baffle layer points to the sand filter tank.

Furthermore, the sand filter tank is communicated with the top of the sedimentation tank, a quartz sand layer, a gravel layer, a second perforated plate layer and an aeration head are sequentially arranged in the sand filter tank from top to bottom, and the aeration head is connected with an aeration fan.

Further, the disinfection tank is communicated with the sand filter tank through a pipeline, and a plurality of fine filter screen layers are arranged in the pipeline; an ultraviolet lamp tube is arranged in the disinfection tank.

The utility model further provides a rural feedwater treatment system comprising the rural feedwater treatment integrated device and the pretreatment tank.

Furthermore, a pre-filtering screen inserting piece which is detachably mounted is arranged in the pre-treating tank.

Further, the pretreatment tank also comprises a pH control device, wherein the pH control device comprises a pH probe extending into the pretreatment tank, an acid-base feeding pipe and a pH monitor electrically connected with the pH probe.

The utility model has the advantages that: the utility model provides a rural water supply treatment integrated device and a water supply treatment system consisting of a pretreatment tank connected with the rural water supply treatment integrated device through improving the structure of the existing water treatment device, and has simple structure and low cost; micro-electrolysis can remove part of COD in raw water and reduce the biological toxicity of the raw water; in the coagulating sedimentation tank, a great amount of ferrous ions and ferric ions generated by micro-electrolysis are fully utilized to react with alkali to form Fe (OH)₂、Fe(OH)₃Mixing the flocculating body, and further removing organic matters in water by the flocculating body through the actions of adsorption, net capture, rolling, sweeping and the like in the coagulation and precipitation processes; the sand filter tank and the disinfection tank further filter and sterilize water quality, and the treatment tank forms an integrated water treatment device, so that the water treatment process is simple and the treatment effect is good; combine preliminary treatment pond, can be to the large granule impurity primary filtration of raw water to and the pH valve of adjusting raw water, improve integrated device's life, economic benefits is high.

Drawings

FIG. 1 is a schematic view of the rural water supply treatment integrated device in the present case.

Fig. 2 is an enlarged view of the pipe 710 of fig. 1.

FIG. 3 is a schematic view of a rural feedwater treatment system in the present case.

In the figure: 100. a pretreatment tank; 110. a water inlet; 120. a coarse strainer inserting piece; 130. a first drain port; 200. a micro-electrolysis reaction tank; 210. a micro-electrolysis filler layer; 220. a first perforated sheet layer; 230. backwashing the water inlet; 240. backwashing a water outlet; 300. a coagulation tank; 310. an overflow plate; 320. a feed inlet; 400. a sedimentation tank; 410. a baffle layer; 420. a second sewage draining outlet; 500. a sand filter; 510. a quartz sand layer; 520. a gravel layer; 530. a second perforated sheet layer; 540. an aeration head; 600. an aeration fan; 700. a disinfection tank; 710. a pipeline; 711. a fine screen layer; 720. an ultraviolet lamp tube; 800. a pH control device; 810. a pH monitor; 820. a pH probe; 830. an acid-base feeding pipe; 900. and (4) a stirring device.

Detailed Description

The present invention is further described in detail below with reference to examples so that those skilled in the art can implement the invention with reference to the description.

As shown in fig. 1, the utility model provides a rural feedwater treatment integrated device, which comprises a micro-electrolysis reaction tank 200, a coagulation tank 300, a sedimentation tank 400, a sand filter 500 and a disinfection tank 700 which are sequentially communicated along the water flow direction; the micro-electrolysis reaction tank 200 and the coagulation tank 300 are both provided with stirring devices 900.

One side of the micro-electrolysis reaction tank 200 is provided with a backwashing water inlet 230 and a backwashing water outlet 240; the micro-electrolysis reaction cell 200 is also provided with a micro-electrolysis filler layer 210 and a first perforated plate layer 220 supporting the micro-electrolysis filler layer 210.

The coagulation tank 300 is communicated with the micro-electrolysis reaction tank 200 through an overflow plate 310, and a feed inlet 320 is formed at the top of the coagulation tank 300.

The sedimentation tank 400 is communicated with the bottom of the coagulation tank 300, the sedimentation tank 400 is square and has an inclined bottom, the bottom is provided with a second sewage outlet 420, and a baffle layer 410 is arranged inside the sedimentation tank 400; the baffle layer 410 is inclined from top to bottom, the upper end of the baffle layer 410 points to the coagulation tank 300, and the lower end points to the sand filter 500.

The sand filter 500 is communicated with the top of the sedimentation tank 400, a quartz sand layer 510, a gravel layer 520, a second perforated plate layer 530 and an aeration head 540 are sequentially arranged in the sand filter 500 from top to bottom, and the aeration head 540 is connected with an aeration fan 600.

The disinfection tank 700 is communicated with the sand filter 500 through a pipeline 710, and an ultraviolet lamp tube 720 is arranged in the disinfection tank 700.

As shown in fig. 2, a plurality of fine screen layers 711 are also disposed in the duct 710 for filtering relatively fine particles in the water body.

As shown in FIG. 3, the utility model provides a rural feedwater treatment system, which comprises a pretreatment tank 100 and the rural feedwater treatment integrated device.

The pretreatment tank 100 comprises a pH control device 800, wherein the pH control device 800 comprises a pH probe 820 extending into the pretreatment tank 100, an acid-base feeding pipe 830 and a pH monitor 810 electrically connected with the pH probe 820.

Pretreatment tank 100's one side is provided with water inlet 110, and inside is provided with demountable installation's coarse strainer inserted sheet 120 will pretreatment tank 100 divide into first pretreatment tank 100 and second pretreatment tank 100, and first pretreatment tank 100 is set up to square oblique end, and first drain 130 has been seted up to the bottom. Partial rural residents take water directly from rivers, lakes, reservoirs and the like, the impurities in the water sources are more, large scrap irons or leaves, weeds and the like can be removed through the coarse filter screen inserting pieces 120 after the water is taken directly, and the situation that large particle impurities block the water treatment integrated device behind is avoided. Meanwhile, the coarse strainer inserting pieces 120 are arranged into inserting pieces, so that the new coarse strainer inserting pieces 120 can be replaced in time when the water treatment speed is reduced and the water quality treatment effect is poor.

The working flow of the rural feedwater treatment system of the embodiment is as follows:

raw water enters a pretreatment tank 100, is primarily filtered through a coarse filter screen insert sheet 120, is adjusted in pH value through a pH control device 800, and then enters a micro-electrolysis reaction tank 200; the micro-electrolysis reaction tank 200 is internally provided with a stirring device 900, water is fully contacted and reacted with the micro-electrolysis filler layer 210 through stirring, and organic matters are gradually degraded; the effluent of the micro-electrolysis reaction tank 200 enters the coagulation tank 300 through a bottom communicating port, the coagulation tank 300 is also provided with a stirring device 900, and alkaline substances are put in through a feed inlet 320 to form Fe (OH) with ferrous ions and ferric ions in water)₂、Fe(OH)₃The mixed flocs, which are prevented from being reverse-permeated into the micro-electrolysis reaction tank 200 by the overflow plate 310, flow into the sedimentation tank 400; the sedimentation tank 400 is a square inclined bottom, the middle part is provided with an inclined baffle plate 410, solid impurities in water flow out from a second sewage discharge outlet 420 at the bottom of the sedimentation tank 400, clean water flows into the sand filter 500 to further remove suspended matters, and then flows into the disinfection tank 700 to perform final disinfection and sterilization.

After the water treatment system operates for a period of time, stopping water inflow, opening a backwashing water inlet 230 of the micro-electrolysis reaction tank 100 to fully flush the micro-electrolysis filler layer 110 therein, and enabling the flushed water to flow out from a backwashing water outlet 240; the aeration fan 600 is turned on, air is blown into the sand filter 500 from the aeration head 540, and the quartz sand layer 510 and the gravel layer 520 therein are washed, thereby maintaining the activity of the water treatment apparatus.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields where the invention is suitable, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.

Claims

1. A rural feedwater treatment integrated device is characterized by comprising a micro-electrolysis reaction tank (200), a coagulation tank (300), a sedimentation tank (400), a sand filter (500) and a disinfection tank (700) which are sequentially communicated along the water flow direction; stirring devices (900) are arranged in the micro-electrolysis reaction tank (200) and the coagulation tank (300).

2. The rural feedwater treatment integrated device of claim 1, wherein one side of the micro-electrolysis reaction tank (200) is provided with a backwash water inlet (230) and a backwash water outlet (240); the micro-electrolysis reaction cell (200) is also internally provided with a micro-electrolysis filler layer (210) and a first perforated plate layer (220) for supporting the micro-electrolysis filler layer (210).

3. The rural feedwater treatment integrated device of claim 1, wherein the coagulation tank (300) is communicated with the micro-electrolysis reaction tank (200) through an overflow plate (310), and a feed inlet (320) is opened at the top of the coagulation tank (300).

4. The rural feedwater treatment integrated device of claim 1, wherein the sedimentation tank (400) is communicated with the bottom of the coagulation tank (300), the sedimentation tank (400) is square and has an inclined bottom, and a baffle layer (410) is arranged inside; the baffle layer (410) is inclined from top to bottom, the upper end of the baffle layer (410) points to the coagulation tank (300), and the lower end of the baffle layer points to the sand filter tank (500).

5. The rural water supply treatment integrated device according to claim 1, wherein the sand filter (500) is communicated with the top of the sedimentation tank (400), a quartz sand layer (510), a gravel layer (520), a second perforated plate layer (530) and an aeration head (540) are sequentially arranged in the sand filter (500) from top to bottom, and the aeration head (540) is connected with an aeration fan (600).

6. The rural feedwater treatment integrated device of claim 1, wherein the disinfection tank (700) is communicated with the sand filter (500) through a pipeline (710), and a plurality of fine screen layers (711) are arranged in the pipeline (710); an ultraviolet lamp tube (720) is arranged in the disinfection tank (700).

7. A rural feedwater treatment system comprising a pretreatment tank (100) and the rural feedwater treatment integrated unit of any of claims 1-6.

8. The rural feedwater treatment system of claim 7, wherein said pretreatment tank (100) is provided with a removably mounted coarse screen insert (120).

9. The rural feedwater treatment system of claim 7, wherein said pretreatment tank (100) further comprises a pH control device (800), said pH control device (800) comprising a pH probe (820) extending into said pretreatment tank (100), an acid and alkali feed pipe (830), and a pH monitor (810) electrically connected to said pH probe (820).