CN215592773U - Integrated rural water supply treatment device - Google Patents
Integrated rural water supply treatment device Download PDFInfo
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- CN215592773U CN215592773U CN202120064238.6U CN202120064238U CN215592773U CN 215592773 U CN215592773 U CN 215592773U CN 202120064238 U CN202120064238 U CN 202120064238U CN 215592773 U CN215592773 U CN 215592773U
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Abstract
Rural water supply treatment facility of integrated form belongs to environmental protection equipment technical field. Consists of a flocculation sedimentation tank, a V-shaped filter tank, an intermediate water tank, a device room, a dosing system, a disinfection system and a back washing system; the utility model can increase or reduce the processing scale of the water purification plant by adjusting the number of the integrated water purification devices connected in parallel, and can also input the operation number according to the actual requirement during operation, thereby effectively reducing the energy consumption.
Description
Technical Field
The utility model relates to an integrated rural water supply treatment device. Particularly, the system is suitable for decentralized rural water supply treatment and industrial and mining enterprise water supply treatment.
Background
With the increasingly vigorous development of new rural economic society and the continuous improvement of the living standard of people, as a component of rural residential water environment, the conditions of rural water supply and peripheral rivers, ponds and underground water are closely related to the life of rural residents. Tap water supply in rural areas is a new industry, is an important infrastructure for urban construction, enterprise production and improvement of the lives of vast farmers, and becomes an important mark for economic development of rural areas and villages in all areas. In the construction of the well-being society, the supply condition and safety of drinking water in rural areas are very important.
Rural water supply is also called village and town water supply, and is directed to residential areas of vast rural areas, villages and other residential points and scattered peasant households in county and city to meet daily water use requirements of residents in villages and towns and enterprises and public institutions. Compared with the rural areas and cities, the rural and urban water supply has a great gap in China due to the reasons of wide range, small scale of residential points, dispersed living, poor natural conditions, backward economic culture, weak technical strength, long-term urban and rural dualistic policies and the like.
At present, more than 80% of more than 9 hundred million people in rural areas in China still supply water in a distributed mode or in a small single village in a centralized mode. The scattered form of building and using by the household mainly adopts the hand well water supply, cistern water supply and so on, and uses shallow well, river and lake water, pond water, spring water, rain collecting engineering and so on as water source. The water quality and quantity of the distributed water supply are neither standard nor unstable. The small-sized dispersed water supply engineering has simple and crude water supply facilities, poor engineering sustainability and water supply reliability, weak natural disaster resistance capability and low operation management specialization level. The centralized water supply is mostly single village type water supply with smaller scale, and a plurality of small-scale single village water supply projects can only carry out time-interval water supply or fixed-point water supply and lack standardized water treatment and water quality monitoring facilities. Only a few of the water supplies are large-scale and relatively standard united village type water supplies or urban and rural overall water supplies depending on cities and towns.
Data show that at present, 2 hundred million people in rural areas all over the country drink water seriously unsafe, the quality of the drinking water does not reach the standard, and the problems of drinking high-fluorine water, high-arsenic water, polluted water, over-standard ferro-manganese water and the like are very prominent. Meanwhile, the serious shortage of water can directly affect the health and normal life of the masses, and needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
Through long-term research and research, the integrated rural supply disposal device and method are developed on the basis of optimizing and integrating the processes of the traditional water purification plant by changing the problems that the structure of the conventional small and medium-sized water works is complex and difficult to manage and the adaptation of other integrated water purification devices is poor. The integrated water purification plant reduces the equipment volume, realizes industrial production and solves the problems of long construction period, large occupied area, more limit of construction environment by natural conditions and the like in the construction of the traditional concrete structure type water purification plant through an integrated mode; meanwhile, the problems of effluent turbidity, COD standard exceeding and the like in the original integrated water purification technology are solved.
The integrated rural water supply treatment device is characterized in that: as shown in figure 1, the device consists of a flocculation sedimentation tank, a V-shaped filter tank, an intermediate water tank, a device room, a dosing system, a disinfection system and a back washing system; the flocculation sedimentation tank is internally provided with a baffle plate, a sludge discharge pump, a sludge discharge pipe and an inclined pipe, the front part of the flocculation sedimentation tank is provided with the baffle plate, the rear part of the flocculation sedimentation tank is provided with the inclined pipe, the bottom of the front part and the bottom of the rear part are respectively provided with the sludge discharge pipe and the sludge discharge pump, and the sludge discharge pipes are connected with the respective sludge discharge pumps and used for discharging sludge; a water distribution tank, a filter material layer and a back flushing water outlet tank are arranged in the V-shaped filter tank, the bottom of the V-shaped filter tank is of a V-shaped structure, the back flushing water outlet tank is arranged in the middle of the upper part of the V-shaped filter tank, the filter material layers are arranged on two sides of the back flushing water outlet tank, and the water distribution tank is used for being matched with the filter material layers and distributing water to the filter material layers; a back washing water pump, a blower and a PLC control cabinet are arranged in the equipment room, and a control system is arranged in the PLC control cabinet; the dosing system consists of a dosing tank, a dosing pump and a dosing pipeline, wherein the dosing tank is connected with a water inlet pipeline through the dosing pump by the dosing pipeline, and a pipeline mixer is arranged in the water inlet pipeline;
adding a flocculating agent into a water inlet pipeline, and mixing by a pipeline mixer;
the disinfection system consists of a disinfection device and a disinfection pipeline, and the disinfection device is added on the water outlet pipeline by adopting the disinfection pipeline;
the back-flushing system consists of a back-flushing water pump, a back-flushing water inlet pipeline, a blower, a back-flushing air inlet pipeline and a back-flushing water outlet tank; the air blower is connected with the bottom of the filter material layer of the V-shaped filter by adopting a back-flushing air inlet pipeline, the back-flushing water pump is connected with the bottom of the filter material layer of the V-shaped filter by adopting a back-flushing water inlet pipeline, and back-flushing water is discharged through a back-flushing water outlet groove;
the water inlet pump is connected with the flocculation sedimentation tank through a water inlet pipeline, the water outlet of the flocculation sedimentation tank is connected with the water distribution tank of the V-shaped filter tank, and the water outlet of the V-shaped filter tank is connected with the intermediate water tank; the middle water tank is provided with a water outlet pipeline for discharging clean water.
The PLC control cabinet is connected with a dosing pump, a back flush water pump, a blower, a water inlet pump and a sludge discharge pump dosing and sterilizing device.
The working principle and the operation process of the utility model are as follows:
and (3) normal operation process:
(1) the raw water promotes through the intake pump and gets into the flocculation and precipitation pond, and at this in-process, the dosing system adds the flocculating agent (PAC or PAM) in with the medicine jar through adding the medicine pump and throws into the inlet channel, mixes the back by the pipe-line mixer, and water and flocculation medicament pass through the baffling board and get into from the bottom, react through the baffling board, deposit through the pipe chute. Carrying out flocculation reaction in a flocculation sedimentation tank to remove suspended substances and limb substances in water. The settled sludge is collected by a sludge discharge pipe and discharged by a sludge discharge pump. The water enters the V-shaped filter.
(2) The effluent of the flocculation sedimentation tank enters a V-shaped filter tank through a water distribution tank, and is filtered through a filter material layer (quartz sand and activated carbon) to further intercept and adsorb suspended substances and micromolecular substances in water. The effluent enters an intermediate water tank.
(3) The water stored in the intermediate water tank passes through a disinfection system, and chlorine dioxide is added into the water outlet pipeline by the disinfection device through a disinfection pipeline, so that pathogenic microorganisms such as bacteria, escherichia coli and the like in the water are killed. The quality of the discharged water meets the sanitary standard for drinking water of the people's republic of China (GB 5749-2006).
A backwashing process:
when the V-shaped filter tank reaches a backwashing period or the head loss of the V-shaped filter tank reaches a set value (namely when the liquid level reaches the backwashing liquid level), stopping water inlet and water outlet, and performing a backwashing process, wherein the specific operation steps comprise closing a water inlet pump, a dosing system, a disinfection system and a water outlet valve, opening a blower, aerating through a backwashing air inlet pipeline, and performing air washing for 3 min. And after the time is up, starting a backwashing water inlet pump, feeding water through a backwashing water inlet pipeline, and backwashing for 5 minutes by air-water combination. After the time was reached, the blower was turned off and water washing was carried out for 2 minutes alone. And after the time is up, closing the backwashing water pump, and ending the backwashing process. And opening the water inlet pump, the dosing system, the disinfection system and the water outlet valve again to carry out the normal operation process.
The normal operation process and the back washing process are automatically controlled by the PLC control cabinet.
Compared with the prior art, the integrated device and the method for advanced treatment of the sewage in the villages and the towns have the following advantages:
(1) compared with the existing concrete structure type water purification plant, the utility model can save 30% of investment under the same scale, shorten 40% of construction period and reduce 50% of occupied area;
(2) the utility model saves equipment funds and simplifies the operation process. Mixing through water conservancy flow without mechanical stirring; the mud pump is not needed, and the mud pipe is perforated for mud discharge.
(3) The utility model can achieve the effect of full-automatic operation through a series of operation procedures such as reaction, flocculation precipitation, water collection, water distribution, filtration, in-vivo backwashing, sludge discharge and the like.
(4) The utility model has the advantages of good treatment effect, less water consumption, less power consumption, small occupied area, water saving, electricity saving and the like.
(5) The improved vortex folded plate reaction chamber is adopted in the reaction chamber, and water flows through a plurality of meshes to cause fluctuation change and flow direction change of the water flow at one time, so that the collision and agglomeration of flocculation particles are greatly improved, the pores of the folded plate are increased along the water flow direction, and the water flow speed is gradually reduced. The coagulation reaction time is shortened from more than 20 minutes of conventional coagulation to 10 minutes through the improvement. The reaction chamber mud discharging device solves the problem of difficult mud discharging of the reaction chambers of certain integrated water purifiers.
(6) The utility model has the practicality that the pressure type tank can purify the water quality of different water source water, can be made into a pressure type tank body with the diameter of 400-2500mm, and is suitable for construction of rural areas, factories and mines, schools, armies and small and medium-sized water plants which supply different water source water in emergency. The device has the advantages of low manufacturing cost, low running cost, simple operation and convenient maintenance, can be used for preparing full-automatic control for water preparation and back flushing without power supply, can be used for preparing domestic water and industrial purified water which accord with sanitary standard of domestic drinking water, can be applied to reclaimed water reuse, mine sewage and industrial wastewater, and can also be used as pilot plant for purification treatment of tap water enterprises.
(7) The utility model can increase or reduce the processing scale of the water purification plant by adjusting the number of the integrated water purification devices connected in parallel, and the running number can be input according to the actual requirement during running, thereby effectively reducing the energy consumption;
(8) the utility model can effectively treat raw water which is difficult to treat such as micro-polluted water, algae-containing water, low-temperature low-turbidity water and the like.
Drawings
Fig. 1 is a schematic structural diagram of an integrated rural water supply treatment device.
1 water inlet pump, 2 water inlet pipelines, 3 flocculation sedimentation tank, 4V type filter tank, 5 middle water tank, 6 equipment room, 7 baffle plate, 8 sludge discharge pipe, 9 sludge discharge pump, 10 inclined pipe, 11 water distribution tank, 12 filter material layer, 13 back flushing water outlet tank, 14 back flushing water inlet pipeline, 15 back flushing air inlet pipeline, 16 back flushing water pump, 17 air blower, 18PLC control cabinet, 19 disinfection device, 20 disinfection pipelines, 21 chemical feeding tank, 22 chemical feeding pump and 23 chemical feeding pipeline.
Detailed Description
The present invention will be further illustrated with reference to the following examples, but the present invention is not limited to the following examples.
Example 1
The structural arrangement is shown in figure 1.
The method comprises the following specific operation steps:
(1) and (3) normal operation process:
raw water is pumped into a flocculation sedimentation tank by a water inlet pump, and a flocculating agent (PAC or PAM) is added into a water inlet pipeline by a drug adding system and is mixed by a pipeline mixer. Water and flocculating agent enter from the bottom through the baffle plate, react through the baffle plate, and precipitate through the inclined tube. Carrying out flocculation reaction in a flocculation sedimentation tank to remove suspended substances and limb substances in water. The settled sludge is collected by a sludge discharge pipe and discharged by a sludge discharge pump. The water enters the V-shaped filter. The effluent of the flocculation sedimentation tank enters a V-shaped filter tank through a water distribution tank, and is filtered through a filter material layer (quartz sand and activated carbon) to further intercept and adsorb suspended substances and micromolecular substances in water. The effluent enters an intermediate water tank. The water stored in the intermediate water tank passes through a disinfection system, and chlorine dioxide is added into the water outlet pipeline by the disinfection device through a disinfection pipeline, so that pathogenic microorganisms such as bacteria, escherichia coli and the like in the water are killed. The quality of the discharged water meets the sanitary standard for drinking water of the people's republic of China (GB 5749-2006).
(2) A backwashing process:
when the V-shaped filter tank reaches a backwashing period or the head loss of the V-shaped filter tank reaches a set value (namely when the liquid level reaches the backwashing liquid level), stopping water inlet and water outlet, and performing a backwashing process, wherein the specific operation steps comprise closing a water inlet pump, a dosing system, a disinfection system and a water outlet valve, opening a blower, aerating through a backwashing air inlet pipeline, and performing air washing for 3 min. And after the time is up, starting a backwashing water inlet pump, feeding water through a backwashing water inlet pipeline, and backwashing for 5 minutes by air-water combination. After the time was reached, the blower was turned off and water washing was carried out for 2 minutes alone. And after the time is up, closing the backwashing water pump, and ending the backwashing process. And opening the water inlet pump, the dosing system, the disinfection system and the water outlet valve again to carry out the normal operation process.
Claims (1)
1. An integrated rural water supply treatment device is characterized by comprising a flocculation sedimentation tank, a V-shaped filter tank, an intermediate water tank, a device room, a dosing system, a disinfection system and a back washing system; the flocculation sedimentation tank is internally provided with a baffle plate, a sludge discharge pump, a sludge discharge pipe and an inclined pipe, the front part of the flocculation sedimentation tank is provided with the baffle plate, the rear part of the flocculation sedimentation tank is provided with the inclined pipe, the bottom of the front part and the bottom of the rear part are respectively provided with the sludge discharge pipe and the sludge discharge pump, and the sludge discharge pipes are connected with the respective sludge discharge pumps and used for discharging sludge; a water distribution tank, a filter material layer and a back flushing water outlet tank are arranged in the V-shaped filter tank, the bottom of the V-shaped filter tank is of a V-shaped structure, the back flushing water outlet tank is arranged in the middle of the upper part of the V-shaped filter tank, the filter material layers are arranged on two sides of the back flushing water outlet tank, and the water distribution tank is used for being matched with the filter material layers and distributing water to the filter material layers; a back washing water pump, a blower and a PLC control cabinet are arranged in the equipment room, and a control system is arranged in the PLC control cabinet; the dosing system consists of a dosing tank, a dosing pump and a dosing pipeline, wherein the dosing tank is connected with a water inlet pipeline through the dosing pump by the dosing pipeline, and a pipeline mixer is arranged in the water inlet pipeline;
adding a flocculating agent into a water inlet pipeline, and mixing by a pipeline mixer;
the disinfection system consists of a disinfection device and a disinfection pipeline, and the disinfection device is added on the water outlet pipeline by adopting the disinfection pipeline;
the back-flushing system consists of a back-flushing water pump, a back-flushing water inlet pipeline, a blower, a back-flushing air inlet pipeline and a back-flushing water outlet tank; the air blower is connected with the bottom of the filter material layer of the V-shaped filter by adopting a back-flushing air inlet pipeline, the back-flushing water pump is connected with the bottom of the filter material layer of the V-shaped filter by adopting a back-flushing water inlet pipeline, and back-flushing water is discharged through a back-flushing water outlet groove;
the water inlet pump is connected with the flocculation sedimentation tank through a water inlet pipeline, the water outlet of the flocculation sedimentation tank is connected with the water distribution tank of the V-shaped filter tank, and the water outlet of the V-shaped filter tank is connected with the intermediate water tank; the middle water tank is provided with a water outlet pipeline for discharging clear water;
the PLC control cabinet is connected with a dosing pump, a back flush water pump, a blower, a water inlet pump and a sludge discharge pump dosing and sterilizing device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120064238.6U CN215592773U (en) | 2021-01-11 | 2021-01-11 | Integrated rural water supply treatment device |
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| CN202120064238.6U CN215592773U (en) | 2021-01-11 | 2021-01-11 | Integrated rural water supply treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113003757A (en) * | 2021-01-11 | 2021-06-22 | 北京安国水道自控工程技术有限公司 | Integrated rural water supply treatment device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003757A (en) * | 2021-01-11 | 2021-06-22 | 北京安国水道自控工程技术有限公司 | Integrated rural water supply treatment device and method |
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