Integrated water treatment sedimentation tank device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an integrated water treatment sedimentation tank device which comprises a powder carbon contact area, a coagulation sand adding area, a flocculation reaction tank, an inclined plate sedimentation tank and a residual sludge area which are communicated in sequence, powder activated carbon is added into the powder carbon contact area, a coagulant and fine sand are added into the coagulation sand adding area, and the residual sludge area is communicated with the flocculation reaction tank. A water outlet is formed in a clear water area at the upper part of the inclined plate sedimentation tank, and a sludge outlet is formed in a sedimentation area at the lower part of the inclined plate sedimentation tank; and the residual sludge area is communicated with a sludge outlet of the inclined plate sedimentation tank. Powdered activated carbon in the powdered carbon contact area adsorbs dissolvable micromolecules and organic phosphorus which are difficult to degrade in water, fine sand in the coagulation sand adding area overcomes the defect that the removal effect of suspended solids in a traditional coagulation sedimentation tank and an efficient sedimentation tank is poor, pollutants form floccules through a polymeric flocculant in the flocculation reaction tank, the floccules are separated in the inclined plate sedimentation tank, and the pollutants in the flocculation reaction tank are recycled. And finally, the water discharged from the water outlet can meet the discharge standards of most sewage plants without adding subsequent filtering treatment facilities.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially relates to an integrated water treatment sedimentation tank device. BACKGROUND

[0002] The traditional coagulation sedimentation tank ascending flow rate generally takes 2~4m / h, and the land area is very big, in the current, has gradually been eliminated. The efficient sedimentation tank is effective to combine mixing, flocculation and sedimentation into one structure to meet the removal of part suspended solids (SS, suspended solids), difficult degradation of small molecules of chemical oxygen demand (COD, Chemical Oxygen Demand) and total phosphorus amount (TP).

[0003] The existing efficient sedimentation tank passes through sludge backflow, and the ascending flow rate generally takes 8m / h, and although the land area is more than one time smaller than the traditional coagulation sedimentation tank, but the land area is still larger, is not suitable for making into integrated water treatment equipment. Moreover, the traditional coagulation sedimentation tank and the efficient sedimentation tank have limited treatment effect to SS, and simultaneously have poor removal effect to small molecule COD and organic phosphorus in water, difficult to meet the increasingly strict discharge standard of sewage treatment plant, often need to add advanced oxidation and membrane filtration process units in the treatment process, and the cost is expensive. SUMMARY

[0004] The utility model provides a kind of integrated water treatment sedimentation tank device to solve the above-mentioned defects existing in the prior art traditional coagulation sedimentation tank and efficient sedimentation tank.

[0005] The utility model provides a kind of integrated water treatment sedimentation tank device, including powder charcoal contact area, the coagulation sand area, the flocculation reaction tank, inclined plate sedimentation tank and the residual sludge area, wherein, the powder charcoal contact area is equipped with water inlet, to access the water to be treated, the powder charcoal contact area is added with powdered activated carbon;The coagulation sand area is communicated with the powder charcoal contact area, and the coagulation sand area is added with coagulant and fine sand;The flocculation reaction tank is communicated with the coagulation sand area, and the flocculation reaction tank is added with high molecular flocculant;The inclined plate sedimentation tank is communicated with the flocculation reaction tank, and the inclined plate sedimentation tank includes upper clear water area and lower sedimentation area, and the upper clear water area is equipped with water outlet, and the lower sedimentation area is equipped with sludge outlet;The residual sludge area is communicated with the sludge outlet of the inclined plate sedimentation tank by pipeline.

[0006] According to the integrated water treatment sedimentation tank device, the communication pipeline between the sludge outlet of the inclined plate sedimentation tank and the residual sludge area is provided with a hydrocyclone and a secondary recovery tank, the hydrocyclone and the secondary recovery tank are both provided with an inlet, a sediment outlet and a sludge outlet, the inlet of the hydrocyclone is connected with the sludge outlet of the inclined plate sedimentation tank, the sludge outlet of the hydrocyclone is connected with the inlet of the secondary recovery tank, the sludge outlet of the secondary recovery tank is connected with the residual sludge area, and the sediment outlets of the hydrocyclone and the secondary recovery tank are both connected with the coagulation and sand adding area.

[0007] According to the integrated water treatment sedimentation tank device, the powder activated carbon contact area comprises a first powder activated carbon contact tank and a second powder activated carbon contact tank which are communicated with each other, contact tank mixers are arranged in the first powder activated carbon contact tank and the second powder activated carbon contact tank, the first powder activated carbon contact tank is connected with a powder activated carbon storage tank, the powder activated carbon storage tank is used for adding powder activated carbon into the first powder activated carbon contact tank, and the second powder activated carbon contact tank is connected with the coagulation and sand adding area.

[0008] According to the integrated water treatment sedimentation tank device, the coagulation and sand adding area comprises a first coagulation and sand adding tank and a second coagulation and sand adding tank which are communicated with each other, the first coagulation and sand adding tank is connected with the powder activated carbon contact area, and the second coagulation and sand adding tank is connected with the flocculation reaction tank; first mixing stirrers are arranged in the first coagulation and sand adding tank and the second coagulation and sand adding tank, the first coagulation and sand adding tank is connected with a coagulant storage tank, the coagulant storage tank is used for adding coagulant into the first coagulation and sand adding tank, fine sand is added into the second coagulation and sand adding tank, and the sediment outlets of the hydrocyclone and the secondary recovery tank are both connected with the second coagulation and sand adding tank.

[0009] According to the integrated water treatment sedimentation tank device, a second mixing stirrer is arranged in the flocculation reaction tank, the flocculation reaction tank is connected with an automatic medicine dissolving machine, and the automatic medicine dissolving machine adds flocculating agent into the flocculation reaction tank through a dosing screw pump.

[0010] According to the integrated water treatment sedimentation tank device, the bottom of the inclined plate sedimentation tank is a conical bottom, a central pit is arranged at the center of the conical bottom, the central pit is communicated with the sludge outlet, a mud scraper is arranged in the inclined plate sedimentation tank, and a mud scraping plate at the lower end of the mud scraper acts on the conical bottom of the inclined plate sedimentation tank; a plurality of corrugated inclined plates are arranged at the upper portion of the inclined plate sedimentation tank to form an inclined plate sedimentation area, the flocculation reaction tank is communicated with the inclined plate sedimentation area, a water collecting channel is formed above the plurality of corrugated inclined plates, and the water collecting channel is communicated with the water outlet.

[0011] According to the utility model provide a kind of integrated water treatment sedimentation tank device, the corrugated inclined plate is connected with inclined plate self-cleaning device, the inclined plate self-cleaning device includes Roots blower and multiple purge branch pipes, the purge branch pipe is located in the corrugated inclined plate, the purge branch pipe is provided with perforation, multiple the purge branch pipe is connected in parallel and is connected the Roots blower by one purge main pipe, each the purge branch pipe and the purge main pipe connection place are provided with backflushing electric valve.

[0012] According to the utility model provide a kind of integrated water treatment sedimentation tank device, the inlet of the hydrocyclone is connected with the pipeline of the sludge outlet of the inclined plate sedimentation tank and is provided with sludge circulating pump, first electromagnetic flowmeter and pressure transmitter;The sedimentation outlet of the secondary recovery tank is provided with electric regulating gate valve, and the sludge outlet of the secondary recovery tank is provided with second electromagnetic flowmeter;Ultrasonic level gauge is arranged in the residual sludge area, and the outlet of the residual sludge area is connected with sludge pump, and the water outlet of the inclined plate sedimentation tank is provided with water quality comprehensive analyzer.

[0013] According to the utility model provide a kind of integrated water treatment sedimentation tank device, integrated water treatment sedimentation tank device still includes switch board and PLC controller, electrical equipment for distributing power to integrated water treatment sedimentation tank device electrical equipment is arranged in the switch board, and the PLC controller is used to regulate and control the electrical equipment in the switch board.

[0014] According to the utility model provide a kind of integrated water treatment sedimentation tank device, the powder carbon contact area, the coagulation sand area, the flocculation reaction tank, inclined plate sedimentation tank and the residual sludge area are integrally arranged, and the upper portion of the powder carbon contact area, the coagulation sand area, the flocculation reaction tank, inclined plate sedimentation tank and the residual sludge area is provided with overhaul observation hole.

[0015] The integrated water treatment sedimentation tank device is characterized in that: the powder activated carbon is added in the powder carbon contact area to adsorb the small molecule of dissolved substance and organic phosphorus which are difficult to degrade in water; the fine sand is added in the coagulation sand adding area to solve the problem of poor removal effect of suspended substance in the traditional coagulation sedimentation tank and the efficient sedimentation tank; the high molecular flocculating agent is added in the flocculation reaction tank to make the powder carbon in the powder carbon contact area, the coagulation small flocculating body in the coagulation sand adding area and the fine sand in the tank form the floc which is much heavier than water in density, and the floc is separated in the inclined plate sedimentation tank, so that the suspended substance in the effluent is as low as 5mg / L, the small molecule of dissolved substance which is difficult to degrade in the effluent can be stabilized below 20mg / L, the limit advanced treatment (below 0.1mg / L) of total phosphorus (TP) is met, and subsequent filtration treatment facilities do not need to be added, so that the discharge standard of most sewage plants can be met. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0017] Figure 1 It is the principle schematic view of the integrated water treatment sedimentation tank device provided by the utility model.

[0018] Figure 2 It is the overhead structure schematic view of the integrated water treatment sedimentation tank device provided by the utility model.

[0019] Figure 3 It is the transverse section structure schematic view of the integrated water treatment sedimentation tank device provided by the utility model.

[0020] Figure 4 It is the A-A section schematic view of Figure 2 .

[0021] Signs: 1, powdered coal contact area; 101, first powdered coal contact tank; 102, second powdered coal contact tank; 103, contact tank agitator; 2, water inlet; 3, coagulation and sand adding area; 301, first coagulation and sand adding tank; 302, second coagulation and sand adding tank; 303, first mixing agitator; 4, flocculation reaction tank; 401, second mixing agitator; 5, inclined plate sedimentation tank; 6, water outlet; 7, sludge outlet; 8, residual sludge area; 9, hydrocyclone; 10, secondary recovery tank; 11, powdered coal storage tank; 12, coagulant storage tank; 13, automatic medicine bubbling machine; 14, dosing screw pump; 15, sludge scraper; 16, corrugated inclined plate; 17, water collecting channel; 18, Roots blower; 19, sludge circulating pump; 20, first electromagnetic flowmeter; 21, second electromagnetic flowmeter; 22, sludge pump; 23, maintenance observation hole; 24, powdered coal dosing room; 25, medicine dosing room; 26, power distribution control room; 27, circulating pump room. DETAILED DESCRIPTION

[0022] To make the objects, technical solutions and advantages of the present application clearer, the following will be a clear and complete description of the technical solutions in the present application combined with the drawings in the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] In the description of the embodiments of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0024] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0025] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be "above", "over" and "on" the second feature, which can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature can be "under", "below" and "underneath" the second feature, which can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0026] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0027] The specific structure and working process of the integrated water treatment sedimentation tank device of the present application will be described below. Figures 1 to 4 The specific structure and working process of the integrated water treatment sedimentation tank device of the present application will be described below.

[0028] One embodiment of the present application provides an integrated water treatment sedimentation tank device, which is shown in Figure 1 The integrated water treatment sedimentation tank device comprises a powdered coal contact zone 1, a coagulation and sand addition zone 3, a flocculation reaction tank 4, an inclined plate sedimentation tank 5 and a residual sludge zone 8. The powdered coal contact zone 1 is provided with a water inlet 2 for connecting the water to be treated, and powdered activated carbon is added in the powdered coal contact zone 1. The coagulation and sand addition zone 3 is communicated with the powdered coal contact zone 1, and coagulant and fine sand are added in the coagulation and sand addition zone 3. The flocculation reaction tank 4 is communicated with the coagulation and sand addition zone 3, and high molecular flocculating agent is added in the flocculation reaction tank 4. The inclined plate sedimentation tank 5 is communicated with the flocculation reaction tank 4, and the inclined plate sedimentation tank 5 comprises an upper clear water zone and a lower sedimentation zone. The upper clear water zone is provided with a water outlet 6, and the lower sedimentation zone is provided with a sludge outlet 7. The residual sludge zone 8 is communicated with the sludge outlet 7 of the inclined plate sedimentation tank 5 through a pipeline.

[0029] It can be understood that the integrated water treatment sedimentation tank device of the embodiment can adsorb the refractory dissolved small molecules and organic phosphorus in the water by adding powdered activated carbon in the powdered carbon contact area 1, can solve the poor removal effect of suspended matter in the traditional coagulation sedimentation tank and the high-efficiency sedimentation tank by adding fine sand in the coagulation and sand area 3, can make the powdered carbon in the powdered carbon contact area 1, the coagulation small flocs in the coagulation and sand area 3 and the fine sand in the tank together form flocs with a density much heavier than water by adding a high molecular flocculant in the flocculation tank 4, and can separate the flocs in the inclined plate sedimentation tank 5, so that the suspended matter in the effluent at the water outlet 6 can be as low as 5 mg / L, the refractory dissolved small molecules in the effluent can be stably below 20 mg / L, the limit deep treatment (below 0.1 mg / L) of total phosphorus (TP) can be met, and subsequent filtration treatment facilities do not need to be added, so that the discharge standard of most sewage plants can be met.

[0030] It should be understood that the integrated water treatment sedimentation tank device of the embodiment is designed in an integrated manner, the surface load is 4-6 times that of the traditional coagulation sedimentation tank and 2-3 times that of the high-efficiency sedimentation tank, and the land occupation is more economical. The integrated water treatment sedimentation tank device of the embodiment is particularly suitable for the construction and quality improvement and efficiency increase of intensive land occupation or buried sewage plants, and can be widely applied in the fields of municipal, industrial and rural water treatment.

[0031] Further, in some other embodiments of the integrated water treatment sedimentation tank device of the utility model, continuing to refer to the Figure 1 As shown, the communication pipeline between the sludge outlet 7 of the inclined plate sedimentation tank 5 and the residual sludge area 8 is provided with a hydrocyclone 9 and a secondary recovery tank 10, the hydrocyclone 9 and the secondary recovery tank 10 are both provided with an inlet, a sedimentation outlet and a sludge outlet, the inlet of the hydrocyclone 9 is connected with the sludge outlet 7 of the inclined plate sedimentation tank 5, the sludge outlet of the hydrocyclone 9 is connected with the inlet of the secondary recovery tank 10, the sludge outlet of the secondary recovery tank 10 is connected with the residual sludge area 8, and the sedimentation outlets of the hydrocyclone 9 and the secondary recovery tank 10 are both connected with the coagulation and sand area 3.

[0032] It can be understood that the embodiment further recycles the sludge of the inclined plate sedimentation tank 5, the chemical sludge of the sludge outlet 7 of the inclined plate sedimentation tank 5 is pumped into the hydrocyclone 9 through the suction and lifting action of the sludge circulating pump 19, and 99% of fine sand in the sludge is precipitated to the bottom of the hydrocyclone 9 under the action of high-speed rotation and is directly recycled into the coagulation and sand adding area 3. The sludge with lighter quality than sand is discharged from the upper sludge outlet into the secondary recycling tank 10. The secondary recycling tank 10 performs secondary recycling on the fine sand and the sludge containing powdered carbon, ensures that the fine sand recycling rate of the whole system is more than 99.7%, and simultaneously, the secondary recycling tank 10 can also accurately control the amount of residual sludge discharged from the whole system through the gate valve and the second electromagnetic flow meter 21, and the residual sludge enters the residual sludge area 8. The recycled fine sand and sludge enter the coagulation and sand adding area 3 through the electric regulating gate valve. The residual sludge area 8 is provided with an ultrasonic liquid level meter, and the outlet of the residual sludge area 8 is connected with a sludge pump 22. The sludge pump 22 is controlled by the liquid level, and the sludge in the residual sludge area 8 is regularly discharged to a sludge dewatering system.

[0033] In some embodiments of the integrated water treatment sedimentation tank device, as shown in Figure 2 and Figure 3 The powdered carbon contact area 1 comprises a first powdered carbon contact tank 101 and a second powdered carbon contact tank 102 which are connected with each other, contact tank mixers 103 are arranged in the first powdered carbon contact tank 101 and the second powdered carbon contact tank 102, the first powdered carbon contact tank 101 is connected with a powdered carbon storage tank 11, and the powdered carbon storage tank 11 is used for adding powdered activated carbon into the first powdered carbon contact tank 101. The second powdered carbon contact tank 102 is connected with the coagulation and sand adding area 3.

[0034] It can be understood that the water to be treated enters the powdered carbon contact area 1 from the water inlet 2, and then passes through the first powdered carbon contact tank 101 and the second powdered carbon contact tank 102. The powdered carbon storage tank 11 connected with the first powdered carbon contact tank 101 is provided with powdered activated carbon, and the powdered activated carbon is quantitatively added into the first powdered carbon contact tank 101 through a powdered carbon adding system. The contact tank mixers 103 are arranged in the first powdered carbon contact tank 101 and the second powdered carbon contact tank 102, and the contact tank mixers 103 are used for stirring and fully mixing the powdered activated carbon and the water in the contact tank. The stirring intensity of the contact tank mixers 103 can be variable frequency set, so as to achieve the best hydraulic condition as required. The powdered activated carbon fully adsorbs small molecule refractory dissolved substances and organic phosphorus and other pollutants which are difficult to remove in the water in the powdered carbon contact area 1.

[0035] In some embodiments of the integrated water treatment sedimentation tank device, as shown in Figure 2 and Figure 3As shown, the coagulation and sand adding area 3 includes the first coagulation and sand adding pool 301 and the second coagulation and sand adding pool 302 which are interconnected, the first coagulation and sand adding pool 301 is connected with the powdered carbon contact area 1, and the second coagulation and sand adding pool 302 is connected with the flocculation reaction pool 4; the first coagulation and sand adding pool 301 and the second coagulation and sand adding pool 302 are each provided with the first mixing agitator 303, the first coagulation and sand adding pool 301 is connected with the coagulant storage tank 12 which is used for adding coagulant into the first coagulation and sand adding pool 301, and the second coagulation and sand adding pool 302 is added with fine sand, and the hydraulic cyclone 9 and the precipitation outlet of the secondary recovery tank 10 are both connected with the second coagulation and sand adding pool 302.

[0036] As can be understood, the effluent treated by the powdered carbon contact area 1 enters the coagulation and sand adding area 3, the coagulation and sand adding area 3 is also divided into two stages, i.e. the first coagulation and sand adding pool 301 and the second coagulation and sand adding pool 302, and the water flow sequentially passes through the first coagulation and sand adding pool 301 and the second coagulation and sand adding pool 302, and the first coagulation and sand adding pool 301 and the second coagulation and sand adding pool 302 are respectively provided with the first mixing agitator 303, the first mixing agitator 303 is variable-frequency set in stirring intensity, and the optimal hydraulic G value in the coagulation pool is automatically adjusted according to the dosing amount during operation. The coagulant is added into the first coagulation and sand adding pool 301, the coagulant is usually stored in the coagulant storage tank 12, and the coagulant is added into the first coagulation and sand adding pool 301 by the coagulant dosing pump; the fine sand is added into the second coagulation and sand adding pool 302, and the fine sand is a natural sea sand screening product, the main component is a silicon dioxide particle with a content of 98%, the effective particle size is generally 90-140 μm, and the true density is about 2650 Kg / m3. The fine sand can be artificially added periodically, once or twice a week, and the fine sand in the integrated water treatment sedimentation tank device is also automatically added into the second coagulation and sand adding pool 302. The insoluble SS, COD and phosphate in the water are combined with the coagulant to generate small flocs, and the flocs are carried into the next treatment process by the fine sand as a carrier, so that the flocculation reaction effect can be efficiently strengthened.

[0037] In some embodiments of the integrated water treatment sedimentation tank device, Figure 2 and Figure 3 As shown, the flocculation reaction pool 4 is provided with the second mixing agitator 401, and the flocculation reaction pool 4 is connected with the automatic drug bubbling machine 13, and the automatic drug bubbling machine 13 adds the flocculant into the flocculation reaction pool 4 by the dosing screw rod pump 14.

[0038] Understandably, the water treated in the coagulation and sand addition zone 3 enters the flocculation reaction tank 4. A polymeric flocculant (anionic PAM) is added at the inlet of the flocculation reaction tank 4. This polymeric flocculant can be prepared by an automatic flocculant preparation machine 13 and pumped into the flocculation reaction tank 4 via a dosing screw pump 14. Under the action of the flocculant, the water entering the flocculation reaction tank 4 forms flocs with a density much greater than water, formed by the adsorption of various pollutants by the powdered carbon in the powdered carbon contact zone 1, the adsorption and trapping of various pollutants by the coagulation and sand addition zone 3, and the fine sand in the tank.

[0039] In some embodiments of the integrated water treatment sedimentation tank device of this utility model, see [reference needed]. Figure 4 As shown, the bottom of the inclined plate sedimentation tank 5 is conical, and a central pit is set in the center of the conical bottom. The central pit is connected to the sludge outlet 7. A sludge scraper 15 is installed inside the inclined plate sedimentation tank 5. The scraper blade at the lower end of the sludge scraper 15 acts on the conical bottom of the inclined plate sedimentation tank 5. Multiple sets of corrugated inclined plates 16 are set in the upper part of the inclined plate sedimentation tank 5 to form an inclined plate sedimentation zone. The flocculation reaction tank 4 is connected to the inclined plate sedimentation zone. A water collection channel 17 is formed above the multiple sets of corrugated inclined plates 16, and the water collection channel 17 is connected to the water outlet 6.

[0040] Understandably, the water treated in the flocculation reaction tank 4 and the generated flocs enter the inclined plate sedimentation zone of the inclined plate sedimentation tank 5 along the water flow direction. The water flows from bottom to top through the corrugated inclined plate 16, where the clear water and sediment are separated. The separated clear water continues to flow upward into the upper clear water zone, and the purified high-quality water enters the middle collection channel 17 through the outlet trough, and finally flows out of the device from the outlet 6. The outlet 6 can be equipped with a water quality comprehensive analyzer to analyze the effluent SS, COD, TP and other indicators online. The flocs containing pollutants such as fine sand, carbon powder, SS, COD, and TP in the sediment separated in the inclined plate sedimentation zone, due to their high density, slide down the corrugated inclined plate 16 to the sludge storage area at the bottom of the inclined plate sedimentation tank 5 under the action of gravity. After settling, they become chemical sludge, which is discharged through the sludge outlet 7 for further treatment.

[0041] Furthermore, in some specific examples, see Figure 2As shown, the corrugated inclined plate 16 is connected with an inclined plate self-cleaning device, the inclined plate self-cleaning device comprises a Roots blower 18 and a plurality of blowing branch pipes, the blowing branch pipes are located in the corrugated inclined plate 16, the blowing branch pipes are provided with perforations, the plurality of blowing branch pipes are connected with the Roots blower 18 through a blowing main pipe, and a backwashing electric valve is arranged at the connection position of each blowing branch pipe and the blowing main pipe. It can be understood that the inclined plate self-cleaning device is added to the corrugated inclined plate 16 in the example, specifically, the inclined plate self-cleaning device is provided with a blowing gas source through the Roots blower 18, the blowing gas provided by the Roots blower 18 is distributed to each blowing branch pipe through the blowing main pipe, the blowing branch pipe blows from the perforations at the bottom of the corrugated inclined plate 16, and the blowing gas blows each corrugated inclined plate 16 respectively, the opening and closing of each blowing branch pipe blowing can be controlled through the backwashing electric valve, and the cleaning is in batches according to needs. It should be understood that the inclined plate self-cleaning device of the example can realize intelligent control in the whole process, is convenient to operate and maintain, has low cost, and the traditional inclined plate sedimentation zone needs to be cleaned manually regularly, the self-cleaning device arranged in the example realizes cleaning of the equipment without stopping, and the equipment can operate uninterruptedly.

[0042] On the basis of the above several embodiments, in some other embodiments of the integrated water treatment sedimentation tank device of the utility model, a sludge circulating pump 19, a first electromagnetic flowmeter 20 and a pressure transmitter are arranged in the pipeline through which the inlet of the hydrocyclone 9 communicates with the sludge outlet 7 of the inclined plate sedimentation tank 5, the sludge circulating pump 19 is used for circulating the sludge at the bottom of the inclined plate sedimentation tank 5 into the hydrocyclone 9, and the first electromagnetic flowmeter 20 and the pressure transmitter are used for measuring the flow and pressure in the working process of the sludge circulating pump 19; an electric regulating gate valve is arranged at the sedimentation outlet of the secondary recovery tank 10, so that the secondary recovery tank 10 is realized to flow back into the coagulation and sand adding area 3 in a timed and quantitative manner, a second electromagnetic flowmeter 21 is arranged at the sludge outlet of the secondary recovery tank 10, and is used for measuring the pipeline flow of the secondary recovery tank 10 flowing into the residual sludge area 8; an ultrasonic liquid level meter is arranged in the residual sludge area 8, so as to measure the residual sludge level in the residual sludge area 8; the outlet of the residual sludge area 8 is connected with a sludge pump 22, the sludge pump 22 is controlled through the liquid level, and the sludge in the residual sludge area 8 is regularly discharged to a sludge dewatering system. The water outlet 6 of the inclined plate sedimentation tank 5 is provided with a water quality comprehensive analyzer, and the indexes such as SS, COD and TP of the effluent can be analyzed in real time online. It can be understood that the embodiment mainly realizes electric control of the integrated water treatment sedimentation tank device, realizes electric control in the operation process of the integrated water treatment sedimentation tank device through some electromagnetic valve groups and monitoring devices.

[0043] In some embodiments of the integrated water treatment sedimentation tank device of the utility model, the integrated water treatment sedimentation tank device further comprises a power distribution cabinet and a PLC controller, the power distribution cabinet is provided with electrical equipment for power distribution of the electrical equipment of the integrated water treatment sedimentation tank device, and the PLC controller is used for regulating and controlling the electrical equipment in the power distribution cabinet.

[0044] It can be understood that the embodiment increases the electric control equipment distribution box and the PLC controller on the basis of some of the above-mentioned embodiments, the various pumps and mixers contained in the integrated water treatment sedimentation tank device are all set to frequency conversion control in the distribution cabinet and the PLC controller, and all the equipment can be accurately controlled and adjusted by the PLC controller. Through the distribution box and the PLC controller, the first mixing mixer 303, the second mixing mixer 401, the hydraulic cyclone 9, the automatic medicine mixing machine 13, the medicine screw pump 14, the mud scraper 15, the Roots blower 18, the sludge circulating pump 19, the first electromagnetic flowmeter 20, the pressure transmitter, the electric regulating gate valve, the second electromagnetic flowmeter 21, the ultrasonic liquid level meter, the water quality comprehensive analyzer, the sludge pump 23 and the like are respectively operated, the entire integration is intelligently controlled by means of the PLC controller, accurate operation of all the equipment is realized, automatic error correction is realized, and finally unattended automatic operation is realized. In daily operation, operation condition modeling can be carried out, AI operation is carried out with the aid of the operation model, deep learning is carried out, the operation time and frequency of each operation equipment are continuously adjusted, the water discharge reaches the standard, and the medicine consumption and the power consumption are continuously optimized.

[0045] In some embodiments of the integrated water treatment sedimentation tank device of the utility model, combined with Figure 2 and Figure 3 , the powder carbon contact area 1, the coagulation sand adding area 3, the flocculation reaction tank 4, the inclined plate sedimentation tank 5 and the residual sludge area 8 are integrally arranged, and a powder carbon adding room 24, a medicine adding room 25, a power distribution control room 26, a circulating pump room 27 and the like can also be arranged, wherein the powder carbon adding room 24 is used for arranging the powder carbon storage tank 11 and the powder carbon adding device, and the powder carbon adding room 24 is generally located at the side of the powder carbon contact area 1; the medicine adding room 25 is used for arranging the coagulant storage tank 12, the coagulant adding pump, the automatic medicine mixing machine 13 and the like; the power distribution control room 26 is used for arranging the power distribution cabinet and the power distribution system; and the circulating pump room 27 is used for arranging various power pumps, as shown in Figure 2 and Figure 3 , each area is reasonably divided and integrally designed, and the upper parts of the powder carbon contact area 1, the coagulation sand adding area 3, the flocculation reaction tank 4, the inclined plate sedimentation tank 5 and the residual sludge area 8 are all provided with maintenance observation holes 23, and each maintenance observation hole 23 can facilitate observation during operation of each equipment and post-maintenance.

[0046] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An integrated water treatment lagoon apparatus, comprising: The application relates to a water treatment device, which comprises the following parts: a powdered coal contact zone (1) provided with a water inlet (2) for connecting to incoming water to be treated, wherein powdered activated carbon is added into the powdered coal contact zone (1); a coagulation and sand adding zone (3) communicated with the powdered coal contact zone (1), wherein coagulant and fine sand are added into the coagulation and sand adding zone (3); a flocculation reaction tank (4) communicated with the coagulation and sand adding zone (3), wherein high molecular flocculant is added into the flocculation reaction tank (4); an inclined plate sedimentation tank (5) communicated with the flocculation reaction tank (4), wherein the inclined plate sedimentation tank (5) comprises an upper clear water area and a lower sedimentation area, the upper clear water area is provided with a water outlet (6), and the lower sedimentation area is provided with a sludge outlet (7); a residual sludge zone (8) communicated with the sludge outlet (7) of the inclined plate sedimentation tank (5) through a pipeline.

2. The integrated water treatment lagoon apparatus of claim 1, wherein, A communication pipeline between the sludge outlet (7) of the inclined plate sedimentation tank (5) and the residual sludge zone (8) is provided with a hydrocyclone (9) and a secondary recovery tank (10), the hydrocyclone (9) and the secondary recovery tank (10) are both provided with an inlet, a sedimentation outlet and a sludge outlet, the inlet of the hydrocyclone (9) is connected with the sludge outlet (7) of the inclined plate sedimentation tank (5), the sludge outlet of the hydrocyclone (9) is connected with the inlet of the secondary recovery tank (10), the sludge outlet of the secondary recovery tank (10) is connected with the residual sludge zone (8), and the sedimentation outlets of the hydrocyclone (9) and the secondary recovery tank (10) are both connected with the coagulation and sand adding zone (3).

3. The integrated water treatment lagoon apparatus of claim 2, wherein, The powdered coal contact zone (1) comprises a first powdered coal contact tank (101) and a second powdered coal contact tank (102) communicated with each other, the first powdered coal contact tank (101) and the second powdered coal contact tank (102) are both provided with a contact tank agitator (103), the first powdered coal contact tank (101) is connected with a powdered coal storage tank (11) used for adding powdered activated carbon into the first powdered coal contact tank (101), and the second powdered coal contact tank (102) is connected with the coagulation and sand adding zone (3).

4. The integrated water treatment lagoon apparatus of claim 2, wherein, The coagulation and sand adding zone (3) comprises a first coagulation and sand adding tank (301) and a second coagulation and sand adding tank (302) communicated with each other, the first coagulation and sand adding tank (301) is connected with the powdered coal contact zone (1), and the second coagulation and sand adding tank (302) is connected with the flocculation reaction tank (4); the first coagulation and sand adding tank (301) and the second coagulation and sand adding tank (302) are both provided with a first mixing agitator (303), the first coagulation and sand adding tank (301) is connected with a coagulant storage tank (12) used for adding coagulant into the first coagulation and sand adding tank (301), fine sand is added into the second coagulation and sand adding tank (302), and the sedimentation outlets of the hydrocyclone (9) and the secondary recovery tank (10) are both connected with the second coagulation and sand adding tank (302).

5. The integrated water treatment lagoon apparatus of claim 2, wherein, The flocculation reaction tank (4) is provided with a second mixing stirrer (401), the flocculation reaction tank (4) is connected with an automatic medicine dissolving machine (13), the automatic medicine dissolving machine (13) adds flocculants into the flocculation reaction tank (4) through a dosing screw pump (14).

6. The integrated water treatment lagoon apparatus of claim 2, wherein, The inclined plate sedimentation tank (5) is provided with a conical bottom, and a center pit is arranged at the center of the conical bottom and communicated with the sludge outlet (7); a mud scraper (15) is arranged in the inclined plate sedimentation tank (5), and a scraper plate at the lower end of the mud scraper (15) acts on the conical bottom of the inclined plate sedimentation tank (5); a plurality of corrugated inclined plates (16) are arranged at the upper portion of the inclined plate sedimentation tank (5) to form an inclined plate sedimentation zone, the flocculation reaction tank (4) is communicated with the inclined plate sedimentation zone, and a water collecting channel (17) is formed above the plurality of corrugated inclined plates (16), and the water collecting channel (17) is communicated with the water outlet (6).

7. The integrated water treatment lagoon apparatus of claim 6, wherein, The corrugated inclined plate (16) is connected with an inclined plate self-cleaning device, the inclined plate self-cleaning device comprises a Roots blower (18) and a plurality of blowing branch pipes, the blowing branch pipes are located in the corrugated inclined plate (16), the blowing branch pipes are provided with perforations, the plurality of blowing branch pipes are connected in parallel and connected with the Roots blower (18) through a blowing main pipe, and a backwashing electric valve is arranged at the connection position of each blowing branch pipe and the blowing main pipe.

8. The integrated water treatment lagoon apparatus of any of claims 2-7, wherein, A sludge circulating pump (19), a first electromagnetic flowmeter (20) and a pressure transmitter are arranged in a pipeline communicated between the inlet of the hydrocyclone (9) and the sludge outlet (7) of the inclined plate sedimentation tank (5); An electric regulating gate valve is arranged at the sludge outlet of the secondary recovery tank (10), and a second electromagnetic flowmeter (21) is arranged at the sludge outlet of the secondary recovery tank (10); An ultrasonic liquid level meter is arranged in the residual sludge zone (8), a sludge pump (22) is connected to the outlet of the residual sludge zone (8), and a water quality comprehensive analyzer is arranged at the water outlet (6) of the inclined plate sedimentation tank (5).

9. The integrated water treatment lagoon apparatus of claim 8, wherein, The integrated water treatment sedimentation tank device further comprises a power distribution cabinet and a PLC controller, the power distribution cabinet is provided with electrical equipment for power distribution of electrical equipment of the integrated water treatment sedimentation tank device, and the PLC controller is used for regulating and controlling the electrical equipment in the power distribution cabinet.

10. The integrated water treatment lagoon apparatus of any one of claims 1 to 7, wherein, The powder carbon contact zone (1), the coagulation and sand adding zone (3), the flocculation reaction tank (4), the inclined plate sedimentation tank (5) and the residual sludge zone (8) are integrally arranged, and the upper portions of the powder carbon contact zone (1), the coagulation and sand adding zone (3), the flocculation reaction tank (4), the inclined plate sedimentation tank (5) and the residual sludge zone (8) are provided with inspection manholes (23).

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