A landscape water pretreatment integrated device

Abstract

The utility model is suitable for water treatment technical field provides a kind of landscape water pretreatment integrated device, including machine room, and the inside of machine room is provided with terrace.The landscape water pretreatment integrated device is set by setting coagulation reaction tank, flocculation reaction tank and so on equipment, and the device is repeatedly handled to water by the way of reflux through mutual cooperation between multiple equipment, without independent processing unit, higher integration, reduce the space occupied while also guarantee the stability of operation, and the device is buried design, it will not cause the influence to original landscape, coupled with magnetic coagulation process simultaneously, ensure the water quality quality of final effluent, and the device can be used as integrated independent device independently, also can be applied in the treatment system of higher water quality requirement, as pretreatment structure uses, to improve the practicability of the device.

Description

Technical Field

[0001] This utility model belongs to the field of water treatment technology, and in particular relates to an integrated pretreatment device for landscape water. Background Technology

[0002] Landscape water generally refers to water bodies used for aesthetic appreciation. They are typically divided into two categories: naturally formed water features and artificial water features. Natural lakes and rivers fall under the category of natural water features, while fountains, artificial lakes, and small urban waterways are man-made and thus belong to the category of artificial water features. These are all open surface water bodies with very low self-purification capabilities and are highly susceptible to pollution. Without reliable landscape water treatment facilities, the water quality can easily deteriorate, causing the water to lose its aesthetic value.

[0003] Landscape water treatment is a pollution prevention and control technology for artificial and natural water features. It improves the transparency and self-purification capacity of water bodies through physical, biological and ecological methods. Its main pollution sources include nitrogen and phosphorus substances carried by rainwater runoff, atmospheric dust organic matter, biological residue accumulation and blue-green algae blooms. The treatment goal is to solve problems such as greening of water bodies, decreased transparency and toxin production.

[0004] However, traditional landscape water treatment systems have significant technical shortcomings, making it difficult to simultaneously meet all needs: First, the treatment process is complex, typically requiring multiple independent treatment units, resulting in low system integration. This not only increases investment in equipment procurement and pipeline laying but also occupies considerable installation space, especially in landscape projects with limited underground supporting areas, easily leading to spatial conflicts with other facilities. Second, the complex process design increases the difficulty of later maintenance, requiring frequent inspections and replacement of consumables for each unit, further driving up operating and maintenance costs. Third, due to poor process integration and equipment adaptability, traditional systems often experience unstable treatment efficiency, making it difficult to continuously ensure the cleanliness of landscape water bodies, easily leading to problems such as water turbidity and algae growth, affecting the landscape effect and user experience. Utility Model Content

[0005] This utility model provides an integrated pretreatment device for landscape water, which aims to solve the problems of complex treatment process, large space occupation, and inconvenient maintenance in the current landscape water treatment system.

[0006] This utility model is implemented as follows: an integrated landscape water pretreatment device includes a machine room, inside which is a platform. On the upper surface of the platform, from front to back, are arranged a screw press dewatering machine, a PAC generator, a PAM generator, a sludge transfer tank, a coagulation reaction tank, and a flocculation reaction tank. Inside the machine room and at the rear of the platform, there is a magnetic media sedimentation tank. The discharge port of the coagulation reaction tank and the inlet of the flocculation reaction tank are connected by a first connecting pipe. The discharge port of the flocculation reaction tank and the inlet of the magnetic media sedimentation tank are connected by a second connecting pipe. A sludge return pump and a first sludge pump are installed outside the magnetic media sedimentation tank. The inlets of the sludge return pump and the first sludge pump are respectively connected to a first extraction pipe and a second extraction pipe. Both the first extraction pipe and the second extraction pipe are connected to the bottom end of the magnetic media sedimentation tank. The sludge return pump and the discharge port are connected by a return pipe, which extends into the interior of the coagulation reaction tank.

[0007] Preferably, a pipe mixer is provided at the outer end of the feed inlet of the coagulation reaction tank, and the outer end of the pipe mixer is connected to a water inlet pipe.

[0008] Preferably, both the PAC preparer and the PAM preparer are equipped with metering pumps on their exteriors. The inlets of the two metering pumps are connected to the outlets of the PAC preparer and the PAM preparer respectively via a first feeding pipe. The outlets of the two metering pumps are connected to a second feeding pipe and a third feeding pipe. The other end of the second feeding pipe is connected to the pipeline mixer, and the third feeding pipe extends to the bottom of the coagulation reaction tank.

[0009] Preferably, a magnetic recovery device is provided above the coagulation reaction tank, and the discharge port of the first sludge pump is connected to a sludge pipe, the other end of which extends into the interior of the magnetic recovery device.

[0010] Preferably, the discharge port of the magnetic recycler is connected to a sludge discharge pipe, the other end of which extends into the interior of the sludge transfer tank. A second sludge pump is installed on the outside of the sludge transfer tank. A sludge extraction pipe is connected between the inlet of the second sludge pump and the sludge transfer tank. A sludge discharge pipe is connected between the discharge port of the second sludge pump and the inlet of the screw press dewatering machine.

[0011] Preferably, the top of the computer room is provided with a canopy.

[0012] Beneficial Effects: Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides an integrated landscape water pretreatment device. By setting up equipment such as coagulation reaction tanks and flocculation reaction tanks, the device repeatedly treats water through the cooperation of multiple devices and the reflux method. It does not require independent treatment units, has a high degree of integration, reduces the space occupied, and ensures the stability of operation. Moreover, the device is buried underground, so it will not affect the original landscape. At the same time, it is coupled with magnetic coagulation technology to ensure the quality of the final effluent. Furthermore, the device can be used independently as an integrated unit or as a pretreatment structure in treatment systems with higher water quality requirements, thereby improving the practicality of the device. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the actual arrangement of this utility model; Figure 2 for Figure 1 Enlarged view of a portion of area A in the middle; Figure 3 This is a schematic diagram of the overall process of this utility model.

[0014] In the diagram: 1-coagulation reaction tank, 2-flocculation reaction tank, 3-pipeline mixer, 4-coagulation agitator, 5-flocculation agitator, 6-magnetic media sedimentation tank, 7-PAC preparer, 8-PAM preparer, 9-sludge return pump, 10-first sludge pump, 11-magnetic recovery unit, 12-sludge transfer tank, 13-second sludge pump, 14-screw press dewatering machine, 15-machine room, 16-ceiling, 17-platform. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0016] Please see Figure 1-3 This utility model provides a technical solution: an integrated landscape water pretreatment device, including a machine room 15, a platform 17 is provided inside the machine room 15, and a screw press dewatering machine 14, a PAC generator 7, a PAM generator 8, a sludge transfer tank 12, a coagulation reaction tank 1 and a flocculation reaction tank 2 are arranged sequentially from front to back on the upper surface of the platform 17; a magnetic media sedimentation tank 6 is provided inside the machine room 15 and at the rear of the platform 17. The discharge port of the coagulation reaction tank 1 and the inlet of the flocculation reaction tank 2 are connected by a first connecting pipe. The discharge port of the flocculation reaction tank 2 and the inlet of the magnetic media sedimentation tank 6 are connected by a second connecting pipe. A sludge return pump 9 and a first sludge pump 10 are installed outside the magnetic media sedimentation tank 6. The inlets of the sludge return pump 9 and the first sludge pump 10 are respectively connected to a first extraction pipe and a second extraction pipe. Both the first extraction pipe and the second extraction pipe are connected to the bottom end of the magnetic media sedimentation tank 6. The sludge return pump 9 and the discharge port are connected by a return pipe, which extends into the interior of the coagulation reaction tank 1.

[0017] A pipe mixer 3 is installed at the outer end of the feed inlet of the coagulation reaction tank 1, and a water inlet pipe is connected to the outer end of the pipe mixer 3.

[0018] Both PAC preparer 7 and PAM preparer 8 are equipped with metering pumps on their exteriors. The inlets of the two metering pumps are connected to the outlets of PAC preparer 7 and PAM preparer 8 respectively via a first feeding pipe. The outlets of the two metering pumps are connected to a second feeding pipe and a third feeding pipe. The other end of the second feeding pipe is connected to the pipe mixer 3, and the third feeding pipe extends to the bottom of the coagulation reaction tank 1.

[0019] A magnetic recovery unit 11 is installed above the coagulation reaction tank 1. The discharge port of the first sludge pump 10 is connected to a sludge pipe, and the other end of the sludge pipe extends into the interior of the magnetic recovery unit 11.

[0020] The discharge port of the magnetic recycler 11 is connected to a sludge discharge pipe, and the other end of the sludge discharge pipe extends into the interior of the sludge transfer tank 12. A second sludge pump 13 is installed on the outside of the sludge transfer tank 12. A sludge suction pipe is connected between the inlet of the second sludge pump 13 and the sludge transfer tank. A sludge discharge pipe is connected between the discharge port of the second sludge pump 13 and the inlet of the screw press dewatering machine 14.

[0021] In this embodiment, the coagulation reaction tank 1 and the flocculation reaction tank 2 are respectively equipped with a coagulation agitator 4 and a flocculation agitator 5, both of which play a stirring role, so that the impurities in the wastewater can be fully mixed and reacted with the reagent.

[0022] In operation, wastewater enters the pipe mixer 3 through the inlet pipe. The PAC preparation agent (7) is pumped into the pipe mixer 3 via a metering pump. After mixing, the wastewater and agent enter the coagulation reaction tank 1. The PAM preparation agent (8) is pumped into the coagulation reaction tank 1 via a metering pump and mixed with the wastewater again. Then, due to the elevation difference, the wastewater flows into the flocculation reaction tank 2 for flocculation. Following this, due to the elevation difference, the wastewater enters the magnetic media sedimentation tank 6 through a pipe. The magnetic media sedimentation tank 6 is equipped with a clear water drain pipe, through which the settled clear water is discharged and returned to the source. The sludge flows into the landscape, while the sedimented sludge is returned to the coagulation reaction tank 1 by the sludge return pump 9 for further treatment. The other part of the sludge is pumped into the magnetic recovery unit 11 by the first sludge pump 10. The magnetic recovery unit 11 processes the sludge and separates the magnetic powder. The separated magnetic powder falls into the coagulation reaction tank 11 under gravity as a supplement, while the sludge directly enters the sludge transfer tank 12. Finally, this part of the sludge is pumped into the screw press dewatering machine 14 by the second sludge pump 13 for dewatering. The dewatered water is returned to the landscape, and the sludge forms mud cakes that are transported off-site periodically.

[0023] The designed residence time for coagulation reaction tank 1 and flocculation reaction tank 2 should be 20-30 min, and the residence time for magnetic media sedimentation tank 6 should be 30-45 min. The sludge return ratio should be 8%-12%. The dosage of coagulant PAC should be 20-30 mg / L, and generally should not exceed 80 mg / L. As the magnetic powder particles increase in size, their specific surface area decreases rapidly, greatly reducing the contact area between the magnetic powder and pollutants. The specific gravity of the magnetic powder is much greater than that of water, and large magnetic powder particles are very easy to settle quickly. To obtain a high magnetic powder flocculation rate, the magnetic powder particles should not exceed 10 μm. For the initial start-up of the equipment, a dosage of 100 mg / L can be added for trial operation. During subsequent continuous operation, the dosage can be adjusted appropriately according to the actual treated water volume and operating conditions. Polyacrylamide PAM is selected as the coagulant aid, and its dosage is generally 0.5-1 mg / L.

[0024] Furthermore, a canopy 16 is installed at the top of the computer room 15.

[0025] In this embodiment, the canopy 16 serves as a top protection.

[0026] The working principle and usage process of this utility model are as follows: After installation, wastewater enters the pipe mixer 3 through the inlet pipe. The PAC preparation agent prepared by the PAC preparation device 7 is pumped into the pipe mixer 3 through a metering pump. After the wastewater and the agent are mixed inside the pipe mixer 3, they enter the coagulation reaction tank 1. The PAM preparation agent prepared by the PAM preparation device 8 is pumped into the coagulation reaction tank 1 through a metering pump and mixed with the wastewater again. Then, the wastewater flows into the flocculation reaction tank 2 under the action of the elevation difference and undergoes flocculation. Afterward, under the action of the elevation difference, the wastewater enters the magnetic media sedimentation tank 6 through the pipe. The magnetic media sedimentation tank 6 is equipped with a clear water discharge pipe, and the settled clear water will flow through... The sludge is discharged through the clean water drain pipe and returned to the landscape. The sludge that settles is returned to the coagulation reaction tank 1 by the sludge return pump 9 for further treatment. Another part of the sludge is pumped into the magnetic recovery unit 11 by the first sludge pump 10. The magnetic recovery unit 11 processes the sludge and separates the magnetic powder. The separated magnetic powder falls into the coagulation reaction tank 11 under gravity as a supplement, while the sludge goes directly into the sludge transfer tank 12. Finally, this part of the sludge is pumped into the screw press dewatering machine 14 by the second sludge pump 13 for dewatering. The dewatered clean water is returned to the landscape, and the sludge forms mud cakes that are transported off-site periodically.

[0027] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An integrated landscape water pretreatment device, characterized in that: The equipment includes a machine room (15), inside which is a platform (17). On the upper surface of the platform (17), from front to back, are arranged a screw press dewatering machine (14), a PAC preparation device (7), a PAM preparation device (8), a sludge transfer tank (12), a coagulation reaction tank (1), and a flocculation reaction tank (2). Inside the machine room (15) and at the rear of the platform (17), there is a magnetic media sedimentation tank (6). The discharge port of the coagulation reaction tank (1) and the inlet of the flocculation reaction tank (2) are connected by a first connecting pipe. The discharge port of the flocculation reaction tank (2) and the inlet of the magnetic media sedimentation tank (6) are connected by a second connecting pipe. The magnetic media sedimentation tank (6) is equipped with a sludge return pump (9) and a first sludge pump (10) on its exterior. The inlets of the sludge return pump (9) and the first sludge pump (10) are respectively connected to a first extraction pipe and a second extraction pipe. The first extraction pipe and the second extraction pipe are both connected to the bottom end of the magnetic media sedimentation tank (6). The sludge return pump (9) and the discharge port are connected by a return pipe. The return pipe extends into the interior of the coagulation reaction tank (1).

2. The integrated landscape water pretreatment device as described in claim 1, characterized in that: The coagulation reaction tank (1) has a pipeline mixer (3) at the outer end of the feed inlet, and the outer end of the pipeline mixer (3) is connected to a water inlet pipe.

3. The integrated landscape water pretreatment device as described in claim 2, characterized in that: Both the PAC preparer (7) and the PAM preparer (8) are equipped with metering pumps. The inlets of the two metering pumps are connected to the outlets of the PAC preparer (7) and the PAM preparer (8) respectively by a first feeding pipe. The outlets of the two metering pumps are connected to a second feeding pipe and a third feeding pipe. The other end of the second feeding pipe is connected to the pipe mixer (3). The third feeding pipe extends to the bottom of the coagulation reaction tank (1).

4. The integrated landscape water pretreatment device as described in claim 1, characterized in that: A magnetic recovery device (11) is provided above the coagulation reaction tank (1), and the discharge port of the first sludge pump (10) is connected to a sludge pipe, the other end of which extends into the interior of the magnetic recovery device (11).

5. The integrated landscape water pretreatment device as described in claim 4, characterized in that: The discharge port of the magnetic recycler (11) is connected to a sludge discharge pipe, and the other end of the sludge discharge pipe extends into the interior of the sludge transfer tank (12). A second sludge pump (13) is provided on the outside of the sludge transfer tank (12). A sludge suction pipe is connected between the inlet of the second sludge pump (13) and the sludge transfer tank. A sludge discharge pipe is connected between the discharge port of the second sludge pump (13) and the inlet of the screw press dewatering machine (14).

6. The integrated landscape water pretreatment device as described in claim 1, characterized in that: The top of the computer room (15) is equipped with a canopy (16).

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