Integrated device suitable for water quality purification of small river channel

Abstract

An integrated device suitable for water quality purification of a small river channel comprises a skid-mounted device and multiple stages of biochemical pools which are arranged in the skid-mounted device and are sequentially distributed from left to right, the biochemical pools comprise at least two biochemical pools, and solid biological filler and aeration pipes are arranged in the biochemical pools; the coagulation tank and the flocculation tank are arranged on one side of the multi-stage biochemical tank side by side; the air floatation tank comprises a bubble release area, a slag scraping area and a discharging area which are distributed side by side; and the discharging area comprises a clear water area and a slag storage area which are arranged on the same side of the slag scraping area. The device is compact and reasonable in structure, convenient to operate, capable of removing nutrient substances in a water body in a biodegradation and physicochemical treatment mode, capable of achieving in-situ purification, automatic in operation, simple to operate, free of excessive manual treatment, obvious in treatment effect, capable of being repeatedly used, small in occupied area, convenient to mount and dismount and low in cost. And the method is particularly suitable for purifying river water bodies such as urban small river channels, community river channels and stagnant water landscape river channels.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an integrated device suitable for purifying water in small rivers. Background Art

[0002] The treatment of black and odorous water bodies in urban rivers and small rivers is traditionally divided into two types:

[0003] Drain the water and replace all the water;

[0004] In-situ treatment: planting aquatic plants in the water body, or adding artificial floating islands, installing oxygenation equipment, and oxygenating the water body.

[0005] In the above-mentioned prior art, these water treatment methods have some problems:

[0006] In urban dead water rivers, the water is drained and replaced with new water. Although the effect is immediate, it is costly and the economic benefits are too low. Moreover, the fundamental problem of the water is not solved. The replaced water will become black and smelly again over time.

[0007] The current mainstream river management methods include adding artificial floating islands and installing oxygen enrichment equipment. The main problems are:

[0008] Different river water bodies have different eutrophication levels, and the water flow, temperature, wind speed, water fluctuation, etc. are all different. It is necessary to plant a combination of plant species and corresponding floating island design combinations. It is difficult to formulate a unified standard for promotion and application.

[0009] The ecological floating island floats on the water surface, and daily management is completed on the water surface. Currently, most of its management operations are completed manually, and the management and maintenance costs are high. This is acceptable in small-scale trial demonstrations, but if it is promoted on a large scale, it requires frequent and timely harvesting, which is inconvenient to operate.

[0010] Most ecological floating islands are produced and planted on-site, and the large-scale production and construction period is long and the efficiency is low.

[0011] In view of the above problems, there is an urgent need for a water purification device that can perform in-situ treatment, is easy to install, and has good treatment effects.

[0012] To this end, we propose an integrated device suitable for water purification in small rivers. Utility Model Content

[0013] In response to the shortcomings of the above-mentioned existing production technologies, the applicant provides an integrated device suitable for purifying water quality in small rivers. The device can purify in situ, operates automatically, is simple to operate, does not require excessive manual processing, has obvious treatment effects, is reusable, occupies a small area, and is easy to install and disassemble. It is particularly suitable for purifying water in small urban rivers, community rivers, stagnant landscape rivers and other types of rivers.

[0014] The technical solutions adopted in this utility model are as follows:

[0015] An integrated device suitable for small river water purification includes a skid, and the following components arranged in the skid and arranged from left to right:

[0016] A multi-stage biochemical pool, comprising at least two biochemical pools, each of which is provided with solid biological fillers and aeration pipes;

[0017] Coagulation tank and flocculation tank are placed side by side on one side of the multi-stage biochemical tank;

[0018] The flotation tank comprises a bubble release area, a slag scraping area and a material discharging area which are distributed side by side; and the material discharging area comprises a clear water area and a slag storage area which are arranged on the same side of the slag scraping area.

[0019] Furthermore, a water inlet grid is provided at the water inlet end of the multi-stage biochemical pool, and a water inlet is provided on the water inlet grid.

[0020] Furthermore, the coagulation tank and flocculation tank are provided with a dosing device and a stirring system.

[0021] Furthermore, a plurality of bubble releasers are provided in the bubble release area, and the scum is floated on the upper layer of the liquid through the bubbles.

[0022] Furthermore, the water flow direction in the skid moves along the direction of multi-stage biochemical tank-coagulation tank-flocculation tank-bubble release area-slag scraping area-clean water area, and the slag movement direction in the skid moves along the direction of multi-stage biochemical tank-coagulation tank-flocculation tank-bubble release area-slag scraping area-slag storage area.

[0023] Furthermore, the water inlets and outlets in the multi-stage biochemical pool, coagulation pool, flocculation pool, bubble release zone and scraping zone are arranged diagonally.

[0024] Furthermore, the skid also includes an equipment room.

[0025] Furthermore, a horizontally movable scraper is connected to the liquid surface of the scraping area, and the height of the slag inlet of the slag storage area is set corresponding to the height of the scraper, and a slag outlet is set at the lower end of the side wall of the scraping area.

[0026] Furthermore, a water outlet is provided on the clean water area, and the height of the water outlet is ≤ the lowest height of the scraper.

[0027] Furthermore, the skid is made of stainless steel or carbon steel.

[0028] The beneficial effects of the utility model are as follows:

[0029] The utility model has a compact and reasonable structure and is easy to operate. It removes nutrients from water bodies by biodegradation + physical and chemical treatment, and purifies in situ. The device runs automatically and is simple to operate. It does not require too much manual treatment and has obvious treatment effects. The device is reusable and occupies a small area. It is easy to install and disassemble. It is particularly suitable for water purification in small urban rivers, community rivers, stagnant landscape rivers and other types of rivers.

[0030] The advantages of this utility model over the existing technology are: the traditional river water purification method is costly, slow in effect, has low water purification efficiency, and is difficult to maintain. The main advantages of this utility model are:

[0031] High efficiency: The integrated equipment integrates multiple processing units, which improves processing efficiency and shortens processing time.

[0032] Space saving: The integrated design reduces the equipment footprint and is particularly suitable for use in environments with limited space.

[0033] Easy to move: The integrated equipment is light in weight, easy to transport and move, and can be quickly deployed as needed.

[0034] High degree of automation: Integrated equipment is usually equipped with an automated control system that can be remotely monitored and controlled, reducing manual intervention.

[0035] Easy maintenance: The integrated equipment has a simple structure, easy operation and low maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a top view of the utility model.

[0037] Figure 2 It is the main view of the utility model.

[0038] in:

[0039] 100, water inlet screen; 200, multi-stage biochemical pool; 300, coagulation tank; 400, flocculation tank; 500, bubble release area; 600, scraping area; 700, clean water area; 800, slag storage area; 900, equipment room;

[0040] 101, water inlet;

[0041] 201. Solid biological filler; 202. Aeration tube;

[0042] 301, stirring system; 501, bubble releaser; 601, scraper; 701, water outlet; 801, slag outlet. DETAILED DESCRIPTION

[0043] The specific implementation of the present utility model will be described below with reference to the accompanying drawings.

[0044] like Figure 1-Figure 2 As shown, the integrated device for small river water purification of this embodiment includes a skid, and a multi-stage biochemical pool 200, a coagulation pool 300, a flocculation pool 400 and a flotation pool arranged in the skid and distributed from left to right. It can remove nutrients in the water body by biodegradation + physical and chemical treatment, and purify in situ. The device runs automatically and is simple to operate. It does not require too much manual treatment and has obvious treatment effect. The device is reusable and occupies a small area. It is easy to install and disassemble. It is particularly suitable for water purification of small urban rivers, community rivers, stagnant landscape rivers and other types of rivers.

[0045] In this embodiment, for the convenience of description, the distribution method is from left to right, but in actual use, the arrangement can also be from right to left, depending on the flow direction of the river sewage.

[0046] Specifically, through Figure 1 and Figure 2 The following structure is explained in detail.

[0047] The multi-stage biochemical pool 200 in this embodiment includes at least two biochemical pools, and solid biological fillers 201 and aeration pipes 202 are provided in the biochemical pools;

[0048] In this embodiment, the multi-stage biochemical pool 200 includes a primary biochemical pool and a secondary biochemical pool. Considering the overall length of the skid and the convenience of transportation and installation, this embodiment adopts a secondary biochemical pool. In actual use, more than two stages of biochemical pools can also be used. At the same time, if the degree of water pollution is not high, a primary biochemical pool can also be used.

[0049] In this embodiment, the primary biochemical pool is composed of fixed biological fillers 201 and microporous aeration tubes 202. The water filtered by the mechanical grid 100 enters the primary biochemical pool, and the COD and BOD in the water are removed in the primary biochemical pool.

[0050] At the same time, the effluent from the primary biochemical pool enters the secondary biochemical pool, which is also composed of fixed biological fillers 201 and microporous aeration pipes 202. Ammonia nitrogen in the water is removed in the secondary biochemical pool.

[0051] In this embodiment, the coagulation tank 300 and the flocculation tank 400 are placed side by side on one side of the multi-stage biochemical tank 200;

[0052] The flotation tank in this embodiment includes a bubble release area 500, a scraping area 600 and a discharge area distributed side by side; and the discharge area includes a clean water area 700 and a slag storage area 800 arranged on the same side of the scraping area 600.

[0053] In this embodiment, Figure 1 As shown, the water inlet of the multi-stage biochemical pool 200 is equipped with an inlet screen 100, which is provided with a water inlet 101. The mechanical screen 100 can remove larger impurities from the water and provide preliminary filtration. The water from the mechanical screen 100 directly enters the multi-stage biochemical pool 200, and the filtered screen residue is collected and transported out.

[0054] In this embodiment, a dosing device and a stirring system 301 are provided in the coagulation tank 300 and the flocculation tank 400 to improve the coagulation and flocculation effects.

[0055] In this embodiment, a plurality of bubble releasers 501 are provided in the bubble release area 500, and the bubbles are used to float the scum to the upper layer of the liquid, and the biofilm after biochemical metabolism and SS and total phosphorus in the water are removed in the flotation tank.

[0056] In this embodiment, the direction of water flow in the skid moves along the direction of the multi-stage biochemical pool 200-coagulation pool 300-flocculation pool 400-bubble release area 500-slag scraping area 600-clean water area 700, and the direction of slag movement in the skid moves along the direction of the multi-stage biochemical pool 200-coagulation pool 300-flocculation pool 400-bubble release area 500-slag scraping area 600-slag storage area 800. The slag enters the slag pool and is transported outside for treatment. The treated clean water enters the clean water area 700 and is finally discharged through the outlet.

[0057] In this embodiment, the water inlets and outlets in the multi-stage biochemical pool 200, coagulation pool 300, flocculation pool 400, bubble release area 500 and scraping area 600 are diagonally arranged, that is, when the water inlet is at the upper left, the water outlet is at the lower right. This layout facilitates the full reaction of sewage in the corresponding pool, thereby improving the reaction efficiency.

[0058] In this embodiment, Figure 1 As shown, the inlet and outlet between the coagulation tank 300 and the flocculation tank 400 are arranged below the middle of the side walls of the two, which is convenient for sewage treatment and also facilitates the relatively rapid flow of sewage. The inlet and outlet of the flocculation tank 400 and the bubble release area 500 are arranged above the side walls of the two and lower than the height of the side walls to prevent bubbles from overflowing into the flocculation tank 400.

[0059] In this embodiment, the skid also includes an equipment room 900. The main equipment in the equipment room includes a blower, a PAC dosing device, a PAM dosing device, an electric control cabinet, etc., which are used to control the dosing and stirring in the coagulation tank 300 and the flocculation tank 400, and at the same time, the liquid level aeration and bubbles provide wind power.

[0060] In this embodiment, a horizontally movable scraper 601 is connected to the liquid surface of the scraping area 600, and the height of the slag inlet of the slag storage area 800 is set corresponding to the height of the scraper 601. A slag outlet 801 is provided at the lower end of the side wall of the scraping area 600. The upper end of the clean water area 700 can be closed. If an open type is adopted, the height of the clean water area 700 is required to be greater than the height of the slag inlet, or a baffle is provided on the side of the clean water area 700 close to the scraping area 600.

[0061] In this embodiment, a water outlet 701 is provided on the clean water area 700, and the height of the water outlet 701 is ≤ the lowest height of the scraper 601, thereby ensuring that the water level in the flotation tank is not too low, thereby affecting the scraping effect. If there is no external influence, the height of the water outlet 701 is the same as the lowest height of the scraper 601, thereby ensuring the scraping efficiency of the scraper 601. If a cofferdam is also provided outside the water outlet 701, the drainage height of the cofferdam is the same as the lowest height of the scraper 601, which is also for the purpose of controlling the water level in the flotation tank.

[0062] In this embodiment, the skid is made of stainless steel or carbon steel, or adopts other anti-corrosion coatings to increase the service life.

[0063] The working principle of this utility model is as follows:

[0064] River water is pumped into the inlet of mechanical screen 100. Screen 100 opens to remove impurities, the fan is activated, and aeration pipes 202 provide micro-pore aeration. The cleaned water undergoes aerobic biological reactions in the primary and secondary biochemical tanks. After passing through the secondary biochemical tank, the water enters the flotation tank. The flotation tank's flocculation and coagulation mixers are activated, along with the flocculation and coagulation dosing devices between the equipment. The mixers thoroughly mix the chemicals with the water, and then the bubble release zone 500 begins operation. The flocculated and coagulated water reacts with the water-air mixture in the bubble release zone 500, forming a large water body that floats to the surface. The scraper then activates, removing the scum from the water and sending it to the scum tank. The scraped water then enters the clean water zone 700 and is directly discharged back into the river. The duration of river water purification equipment is typically calculated based on the total volume of water.

[0065] The advantages of this utility model over the existing technology are: the traditional river water purification method is costly, slow in effect, has low water purification efficiency, and is difficult to maintain. The main advantages of this utility model are:

[0066] High efficiency: The integrated equipment integrates multiple processing units, which improves processing efficiency and shortens processing time.

[0067] Space saving: The integrated design reduces the equipment footprint and is particularly suitable for use in environments with limited space.

[0068] Easy to move: The integrated equipment is light in weight, easy to transport and move, and can be quickly deployed as needed.

[0069] High degree of automation: Integrated equipment is usually equipped with an automated control system that can be remotely monitored and controlled, reducing manual intervention.

[0070] Easy maintenance: The integrated equipment has a simple structure, easy operation and low maintenance cost.

[0071] Compared with the traditional river water purification method, which has low water pollutant removal efficiency, high cost, and inconvenient operation and maintenance, the present invention has high river water purification efficiency, saves space, is easy to move, has a high degree of automation, and is easy to maintain.

[0072] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the scope of protection of the utility model.

Claims

1. An integrated device suitable for purifying water in small rivers, characterized in that: Including skid-mounted, and set in the skid and distributed from left to right: A multi-stage biochemical pool (200) comprising at least two biochemical pools, wherein solid biological fillers (201) and aeration pipes (202) are provided in the biochemical pools; A coagulation tank (300) and a flocculation tank (400) are placed side by side on one side of the multi-stage biochemical tank (200); The flotation tank comprises a bubble release area (500), a slag scraping area (600) and a discharge area which are arranged side by side; and the discharge area comprises a clean water area (700) and a slag storage area (800) which are arranged on the same side of the slag scraping area (600).

2. The integrated device for purifying water in small rivers according to claim 1, characterized in that: A water inlet grid (100) is provided at the water inlet end of the multi-stage biochemical pool (200), and a water inlet (101) is provided on the water inlet grid (100).

3. The integrated device for purifying water in small rivers according to claim 1, characterized in that: The coagulation tank (300) and the flocculation tank (400) are provided with a dosing device and a stirring system (301).

4. The integrated device for purifying water in small rivers according to claim 1, characterized in that: A plurality of bubble releasers (501) are provided in the bubble release area (500), and the scum is floated on the upper layer of the liquid through the bubbles.

5. The integrated device for purifying water in small rivers according to claim 1, characterized in that: The water flow direction in the skid moves along the direction of the multi-stage biochemical pool (200) - the coagulation pool (300) - the flocculation pool (400) - the bubble release area (500) - the scraping area (600) - the clean water area (700), and the scum movement direction in the skid moves along the direction of the multi-stage biochemical pool (200) - the coagulation pool (300) - the flocculation pool (400) - the bubble release area (500) - the scraping area (600) - the scum storage area (800).

6. The integrated device for purifying water in small rivers according to claim 5, characterized in that: The water inlets and outlets in the multi-stage biochemical pool (200), the coagulation pool (300), the flocculation pool (400), the bubble release zone (500) and the scraping zone (600) are arranged diagonally. The inlet and outlet between the coagulation pool (300) and the flocculation pool (400) are arranged below the middle of the side walls of the two pools. The inlet and outlet between the flocculation pool (400) and the bubble release zone (500) are arranged above the side walls of the two pools and are lower than the height of the side walls.

7. An integrated device for purifying water in small rivers according to any one of claims 1 to 6, characterized in that: The skid also includes an equipment room (900).

8. The integrated device for purifying water in small rivers according to claim 7, characterized in that: A horizontally movable scraper (601) is connected to the liquid surface of the scraping area (600), and the height of the slag inlet of the slag storage area (800) is set corresponding to the height of the scraper (601). A slag outlet (801) is set at the lower end of the side wall of the scraping area (600).

9. The integrated device for purifying water in small rivers according to claim 7, characterized in that: The clean water area (700) is provided with a water outlet (701), and the height of the water outlet (701) is less than or equal to the lowest height of the scraper (601).

10. The integrated device for purifying water in small rivers according to claim 1, characterized in that: The skid is made of stainless steel or carbon steel.

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