Combined water treatment equipment

Abstract

The invention discloses combined water treatment equipment, and relates to the technical field of water treatment equipment. The equipment comprises a water collecting and settling tank, a first pressure pump, a first composite filtering tank, a second composite filtering tank, a finished product water tank and an electric control box. The first composite filtering tank and the second composite filtering tank are arranged to filter sewage, and the first composite filtering tank and the second composite filtering tank are internally firstly subjected to step-by-step filtering from outside to inside and then subjected to layer-by-layer filtering from top to bottom, so that the filtering effect is improved; according to sewage treatment requirements, the first composite filtering tank and the second composite filtering tank can realize different combination modes so as to improve the filtering efficiency and effect; by arranging the electric control box with the controller, the combination mode of the first composite filtering tank and the second composite filtering tank can be automatically regulated and controlled in real time, the drug feeding amount and the backflow water amount can be controlled and regulated in real time, and the automation degree is high.

Description

Technical Field

[0001] The invention relates to the technical field of water treatment equipment, in particular to a combined water treatment equipment. Background Art

[0002] Sewage treatment is generally divided into industrial sewage treatment and domestic sewage treatment. Industrial sewage includes industrial sewage, agricultural sewage, and medical sewage, while domestic sewage is sewage generated in daily life, which refers to a complex mixture of various forms of inorganic and organic matter. Sewage treatment generally involves filtration, and filtration equipment includes quartz sand filters, activated carbon filters, ultrafiltration membrane filters, and reverse osmosis filters. Usually, the above-mentioned equipment is used in combination in the sewage treatment process to improve the degree of sewage purification. The use of these different types of filters in series is a more traditional method. Not only does it occupy a large area, but the ability to filter and separate sewage per unit time is also weak. Many of them also require manual control. When one of the filter cartridges is blocked, the staff needs to replace the filter cartridge before it can continue to operate, which greatly affects the efficiency of sewage treatment. Summary of the invention

[0003] The object of the present invention is to provide a combined water treatment device capable of automatically adjusting the filter connection mode according to the sewage treatment demand.

[0004] In order to achieve the above object, the present invention adopts the following technical solution: A combined water treatment device comprises a water collection and sedimentation box, a first pressure pump, a first composite filter tank, a second composite filter tank, a finished water tank, and an electrical control box; the water collection and sedimentation box is arranged underground, and the water collection and sedimentation box is connected to the first composite filter tank and the second composite filter tank arranged on the ground through a water inlet pipe, the first composite filter tank and the second composite filter tank have the same structure, the first composite filter tank and the second composite filter tank are connected to the finished water tank arranged underground through a water outlet pipe, and the first composite filter tank and the second composite filter tank are respectively provided with a first An inlet electric valve and a second inlet electric valve, a first water outlet electric valve and a second water outlet electric valve are respectively arranged at the water outlet of the first composite filter tank and the water outlet of the second composite filter tank, a first booster pump is arranged on the water inlet pipe, a switching tube is connected to the water outlet of the first composite filter tank, the water inlet end of the switching tube is located in front of the first water outlet electric valve, the water outlet end of the switching tube is connected to the water inlet end of the second water inlet electric valve, a controller is arranged in the electrical control box, and the controller is respectively electrically connected to the first water inlet electric valve, the second water inlet electric valve, the first water outlet electric valve, the second water outlet electric valve and the third water inlet electric valve.

[0005] Furthermore, the first composite filter tank includes a tank body, a water inlet is located at the lower part of the tank body, and a water outlet is located at the bottom of the tank body. A first cylindrical wall panel and a second cylindrical wall panel are arranged inside the tank body. The first cylindrical wall panel and the second cylindrical wall panel are coaxial with the side wall of the tank body. The lower ends of the first cylindrical wall panel and the second cylindrical wall panel are fixed on the bottom surface of the tank body. The upper ends of the first cylindrical wall panel and the second cylindrical wall panel are closed by a baffle. A first cavity, a second cavity and a third cavity are respectively formed between the first cylindrical wall panel and the side wall of the tank body, between the first cylindrical wall panel and the second cylindrical wall panel, and inside the second cylindrical wall panel. The first cavity is filled with an activated carbon layer, and the second cavity is filled with an ion exchange resin layer. The water inlet and the first cavity are connected. A plurality of first through holes are evenly arranged circumferentially on the upper part of the first cylindrical wall panel, and a plurality of second through holes are evenly arranged circumferentially on the upper part of the second cylindrical wall panel. The third cavity is connected with the water outlet.

[0006] Preferably, the second through hole is arranged at a height not higher than the first through hole.

[0007] Preferably, a hollow water distribution tray is arranged on the upper part of the inner wall of the second cylindrical wall panel, a plurality of water inlet holes are evenly arranged on the top of the water distribution tray, a plurality of water outlet holes are evenly arranged on the bottom of the water distribution tray, and filter bags are installed at the water outlet holes.

[0008] Preferably, a first ultrafiltration membrane is further provided on the inner wall of the second cylindrical wall plate, and the first ultrafiltration membrane is located below the filter bag.

[0009] Preferably, a second ultrafiltration membrane is further provided on the inner wall of the second cylindrical wall plate, and the second ultrafiltration membrane is located below the first ultrafiltration membrane.

[0010] Furthermore, the combined water treatment equipment also includes a reflux pipe, the water inlet end of the reflux pipe is connected to the water outlet pipe, the water outlet end of the reflux pipe is respectively connected to the reflux water inlet arranged in the middle of the first composite filter tank and the second composite filter tank, the reflux water inlet is connected to the first cavity, and the fourth water inlet electric valve, flow meter, electric regulating valve, and second booster pump are arranged on the reflux pipe, and the fourth water inlet electric valve, flow meter, electric regulating valve, and second booster pump are respectively connected to the controller.

[0011] Furthermore, the combined water treatment equipment also includes a dosing box, which is located above the water collecting and settling box. A partition is provided in the dosing box, which divides the inner cavity of the dosing box into a coagulant chamber and a neutralization chamber. The coagulant chamber and the neutralization chamber are connected to the water collecting and settling box through an injection pipe and a neutralization pipe, respectively. An injection electric valve and a neutralization electric valve are respectively provided on the injection pipe and the neutralization pipe, and the controller is electrically connected to the injection electric valve and the neutralization electric valve, respectively.

[0012] Furthermore, the combined water treatment equipment also includes a first sampling tube, both ends of which are connected to a water collecting pipe, the water collecting pipe is connected to the raw water inlet of the water collecting sedimentation tank, a first sampling electric valve and a first detection box are arranged on the first sampling tube, a first conductivity sensor and a first pH sensor are arranged inside the first detection box, and the first conductivity sensor and the first pH sensor are electrically connected to the controller respectively.

[0013] Furthermore, the combined water treatment equipment also includes a second sampling tube, both ends of which are connected to the water outlet pipe, a second sampling electric valve and a second detection box are arranged on the second sampling tube, a second conductivity sensor and a second pH sensor are arranged in the second detection box, and the second conductivity sensor and the second pH sensor are electrically connected to the controller respectively.

[0014] Beneficial technical effects of the present invention: 1. The combined water treatment equipment of the present invention filters sewage by setting a first composite filter tank and a second composite filter tank. The first composite filter tank and the second composite filter tank first perform step-by-step filtration from the outside to the inside, and then perform layer-by-layer filtration from top to bottom to improve the filtration effect. According to the sewage treatment requirements, the first composite filter tank and the second composite filter tank can realize different combined modes to improve the filtration efficiency and effect.

[0015] 2. The combined water treatment equipment of the present invention can sample the sewage before and after treatment in real time by setting the first sampling tube and the second sampling tube, which is used for real-time detection of conductivity and pH, and is convenient for real-time control and adjustment of the dosage of the reagent and the amount of reflux water.

[0016] 3. The combined water treatment equipment of the present invention is equipped with an electrical control box with a controller, which can automatically adjust the combination mode of the first composite filter tank and the second composite filter tank in real time and control the dosage of the reagents and the amount of reflux water in real time, and has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the combined water treatment equipment of the present invention; Figure 2 for Figure 1 A schematic diagram of the structure of the first composite filter tank; Figure 3 for Figure 2 A partial enlarged view of the middle A; Markings in the figure: 1-water collection and sedimentation box, 2-drug adding box, 201-partition, 3-first pressure pump, 4-first composite filter tank, 401-water inlet, 402-water outlet, 403-first cylindrical wall plate, 404-second cylindrical wall plate, 405-first through hole, 406-second through hole, 407-water distribution tray, 4071-water inlet, 4072-water outlet, 408-filter bag, 409-first ultrafiltration membrane, 410-second ultrafiltration membrane, 411-backflow water inlet, 5-second composite filter tank, 6-finished water tank, 7-electrical control box, 8-drug injection pipe, 9-drug injection electric valve, 10-neutralization pipe, 11-neutralization electric valve, 12 -water inlet pipe, 13-first water inlet electric valve, 14-second water inlet electric valve, 15-first water outlet electric valve, 16-second water outlet electric valve, 17-water outlet pipe, 18-switching pipe, 19-third water inlet electric valve, 20-reflux pipe, 21-fourth water inlet electric valve, 22-second booster pump, 23-flow meter, 24-first sampling tube, 25-first sampling electric valve, 26-first detection box, 27-first conductivity sensor, 28-first pH sensor, 29-second sampling tube, 30-second sampling electric valve, 31-second detection box, 32-second conductivity sensor, 33-second pH sensor, 34-electric regulating valve. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. The embodiments described herein are only used to explain a part of the embodiments of the present invention, not all of the embodiments. The technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0019] It should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. The terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected, set, or detachably connected, set, or connected and set in one piece; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Please see attached Figure 1-3 As shown, a combined water treatment equipment provided in this embodiment includes a water collecting and settling box 1, a first pressure pump 3, a first composite filter tank 4, a second composite filter tank 5, a finished water tank 6, and an electrical control box 7; the water collecting and settling box 1 is arranged underground, and the water collecting and settling box 1 is connected to the first composite filter tank 4 and the second composite filter tank 5 arranged on the ground through an inlet pipe 12, respectively. The first composite filter tank 4 and the second composite filter tank 5 have the same structure, and the first composite filter tank 4 and the second composite filter tank 5 are connected to the finished water tank 6 arranged underground through an outlet pipe 17, respectively. The first water inlet electric Valve 13, a second water inlet electric valve 14, a first water outlet electric valve 15 and a second water outlet electric valve 16 are respectively arranged at the water outlet 402 of the first composite filter tank 4 and the water outlet 402 of the second composite filter tank 5, the first booster pump 3 is arranged on the water inlet pipe 12, a switching tube 18 is connected to the water outlet 402 of the first composite filter tank 4, the water inlet end of the switching tube 18 is located in front of the first water outlet electric valve 15, the water outlet end of the switching tube 18 is connected to the water inlet end of the second water inlet electric valve 14, a controller is arranged in the electrical control box 7, and the controller is electrically connected to the first water inlet electric valve 13, the second water inlet electric valve 14, the first water outlet electric valve 15, the second water outlet electric valve 16, and the third water inlet electric valve 19 respectively.

[0021] In this embodiment, the water collection and sedimentation tank 1 is used to collect the sewage to be treated and perform preliminary sedimentation of the sewage. The first composite filter tank 4 and the second composite filter tank 5 are both used to filter and treat the sewage. The finished water tank 6 is used to store the treated clean water. The water collection and sedimentation tank 1 and the finished water tank 6 are arranged underground, which can reduce the ground floor area of ​​the equipment. The controller is arranged in the electrical control box 7. The controller can select Siemens PLC, and the sewage treatment process is intelligently controlled by the controller.

[0022] Specifically, the first composite filter tank 4 includes a tank body, a water inlet 401 is located at the lower part of the tank body, a water outlet 402 is located at the bottom of the tank body, a first cylindrical wall plate 403 and a second cylindrical wall plate 404 are arranged inside the tank body, the first cylindrical wall plate 403 and the second cylindrical wall plate 404 are coaxial with the side wall of the tank body, the lower ends of the first cylindrical wall plate 403 and the second cylindrical wall plate 404 are fixed on the bottom surface of the tank body, the upper ends of the first cylindrical wall plate 403 and the second cylindrical wall plate 404 are closed by a baffle, a first cavity, a second cavity and a third cavity are formed between the first cylindrical wall plate 403 and the side wall of the tank body, between the first cylindrical wall plate 403 and the second cylindrical wall plate 404, and inside the second cylindrical wall plate 404, respectively, the first cavity is filled with an activated carbon layer, the second cavity is filled with an ion exchange resin layer, the water inlet 401 is connected to the first cavity, and the first cylindrical wall plate 403 is connected to the second cylindrical wall plate 404. A plurality of first through holes 405 are evenly arranged circumferentially on the upper part of the wall plate 403, a plurality of second through holes 406 are evenly arranged circumferentially on the upper part of the second cylindrical wall plate 404, and the third cavity is connected to the water outlet 402; the setting height of the second through holes 406 is not higher than the setting height of the first through holes 405, a hollow water distribution tray 407 is arranged on the upper part of the inner wall of the second cylindrical wall plate 404, a plurality of water inlet holes 4071 are evenly arranged on the top of the water distribution tray 407, a plurality of water outlet holes 4072 are evenly arranged on the bottom of the water distribution tray 407, a filter bag 408 is installed at the water outlet hole 4072, a first ultrafiltration membrane 409 is also arranged on the inner wall of the second cylindrical wall plate 404, and the first ultrafiltration membrane 409 is located below the filter bag 408, and a second ultrafiltration membrane 410 is also arranged on the inner wall of the second cylindrical wall plate 404, and the second ultrafiltration membrane 410 is located below the first ultrafiltration membrane 409.

[0023] After the sewage enters the first composite filter tank 4 and the second composite filter tank 5, it is first filtered step by step from the outside to the inside, and then filtered layer by layer from top to bottom.

[0024] Specifically, in order to further improve the effect of sewage treatment, the combined water treatment equipment also includes a return pipe 20, the water inlet end of the return pipe 20 is connected to the outlet pipe 17, the water outlet end of the return pipe 20 is respectively connected to the return water inlet 411 set in the middle of the first composite filter tank 4 and the second composite filter tank 5, the return water inlet 411 is connected to the first cavity, and the return pipe 20 is provided with a fourth water inlet electric valve 21, a flow meter 23, an electric regulating valve 34, and a second booster pump 22, and the fourth water inlet electric valve 21, the flow meter 23, the electric regulating valve 34, and the second booster pump 22 are respectively connected to the controller. 20%-50% of the water in the outlet pipe 17 is returned to the first composite filter tank 4 and the second composite filter tank 5 for further treatment.

[0025] Specifically, in order to further improve the sewage treatment efficiency, the combined water treatment equipment also includes a dosing box 2, which is located above the water collection sedimentation box 1. A partition 201 is provided in the dosing box 2, and the partition 201 divides the inner cavity of the dosing box 2 into a coagulant chamber and a neutralizer chamber. The coagulant chamber and the neutralizer chamber are connected to the water collection sedimentation box 1 through a dosing pipe 8 and a neutralizer 10, respectively. The dosing pipe 8 and the neutralizer 10 are respectively provided with a dosing electric valve 9 and a neutralizer 11, and the controller is respectively electrically connected to the dosing electric valve 9 and the neutralizer 11. Coagulants and coagulants such as PAC and PAM are pre-added in the coagulant chamber, and neutralizers such as acid or alkali are pre-added in the neutralizer chamber.

[0026] Specifically, in order to avoid waste caused by excessive dosage of the agent and to achieve proper dosage of the agent, the combined water treatment equipment further includes a first sampling tube 24, both ends of the first sampling tube 24 are connected to a water collecting pipe, the water collecting pipe is connected to the raw water inlet of the water collecting sedimentation tank 1, a first sampling electric valve 25 and a first detection box 26 are arranged on the first sampling tube 24, a first conductivity sensor 27 and a first pH sensor 28 are arranged inside the first detection box 26, and the first conductivity sensor 27 and the first pH sensor 28 are electrically connected to the controller respectively. Conductivity and pH values ​​of the sewage before the agent is added are detected to facilitate the proper dosage of the agent.

[0027] Specifically, in order to facilitate real-time monitoring of the water treatment effect, the combined water treatment equipment further includes a second sampling tube 29, both ends of which are connected to the water outlet pipe 17, a second sampling electric valve 30 and a second detection box 31 are arranged on the second sampling tube 29, a second conductivity sensor 32 and a second pH sensor 33 are arranged in the second detection box 31, and the second conductivity sensor 32 and the second pH sensor 33 are electrically connected to the controller respectively. Real-time monitoring of the treated water facilitates adjustment of the treatment method.

[0028] The working principle and use method of the combined water treatment equipment of the present invention are as follows: sewage is collected in a water collection sedimentation tank 1 through a water collection pipe. During the collection process, the first sampling electric valve 25 is controlled to be opened, so that a small amount of sewage enters the first detection tank 26 for conductivity and pH detection. The injection electric valve 9 and the neutralization electric valve 11 are controlled to add reagents into the water collection sedimentation tank 1 to accelerate precipitation and neutralization; the sewage in the water collection sedimentation tank 1 is sent to the first composite filter tank 4 and the second composite filter tank 5 by the first pressure pump 3 after preliminary precipitation for filtration treatment. The sewage inside the first composite filter tank 4 and the second composite filter tank 5 is first filtered step by step from the outside to the inside, and then filtered layer by layer from top to bottom. The filtered water is sent to the finished water tank 6 through the outlet pipe 17.

[0029] When the amount of sewage to be treated is large, the first composite filter tank 4 and the second composite filter tank 5 perform parallel treatment, specifically controlling the first water inlet electric valve 13 and the second water inlet electric valve 14 to be opened, the third water inlet electric valve 19 to be closed, and the first water outlet electric valve 15 and the second water outlet electric valve 16 to be opened.

[0030] When the COD concentration of the sewage to be treated is high, the first composite filter tank 4 and the second composite filter tank 5 perform series treatment, specifically controlling the first water inlet electric valve 13 and the third water inlet electric valve 19 to be opened, the second water inlet electric valve 14 to be closed, the first water outlet electric valve 15 to be closed, and the second water outlet electric valve 16 to be opened.

[0031] When it is necessary to conduct pre-detection on the sewage to be treated, the first sampling electric valve 25 is controlled to open, and the conductivity and pH value data are collected by the first conductivity sensor 27 and the first pH sensor 28 respectively and uploaded to the controller. The controller controls the injection electric valve 9 and the neutralization electric valve 11 to open according to the preset value to inject an appropriate amount of coagulant and neutralization agent.

[0032] When it is necessary to test the treated sewage, the second sampling electric valve 30 is controlled to open, and the conductivity and pH value data are collected by the second conductivity sensor 32 and the second pH sensor 33 respectively and uploaded to the controller. The controller controls the fourth water inlet electric valve 21 to open and the second booster pump 22 to start according to the preset value. The flow meter 23 detects the flow data of the return pipe 20 and uploads it to the controller. The controller electric regulating valve 34 adjusts the opening.

[0033] Finally, it should be noted that the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. The embodiments listed in the present invention are not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are still included in the protection scope of the present invention.

Claims

1. A combined water treatment device, characterized in that: It includes a water collection and sedimentation box, a first pressure pump, a first composite filter tank, a second composite filter tank, a finished water tank, and an electrical control box; the water collection and sedimentation box is arranged underground, and the water collection and sedimentation box is connected to the first composite filter tank and the second composite filter tank arranged on the ground through a water inlet pipe, the first composite filter tank and the second composite filter tank have the same structure, the first composite filter tank and the second composite filter tank are connected to the finished water tank arranged underground through a water outlet pipe, and the first water inlet electric valve, a second water inlet electric valve, a first water outlet electric valve and a second water outlet electric valve are respectively arranged at the water outlet of the first composite filter tank and the water outlet of the second composite filter tank, a first booster pump is arranged on the water inlet pipe, a switching tube is connected to the water outlet of the first composite filter tank, the water inlet end of the switching tube is located in front of the first water outlet electric valve, the water outlet end of the switching tube is connected to the water inlet end of the second water inlet electric valve, a controller is arranged in the electrical control box, and the controller is respectively electrically connected to the first water inlet electric valve, the second water inlet electric valve, the first water outlet electric valve, the second water outlet electric valve and the third water inlet electric valve.

2. A combined water treatment device according to claim 1, characterized in that: The first composite filter tank includes a tank body, a water inlet is located at the lower part of the tank body, and a water outlet is located at the bottom of the tank body. A first cylindrical wall panel and a second cylindrical wall panel are arranged inside the tank body. The first cylindrical wall panel and the second cylindrical wall panel are coaxial with the side wall of the tank body. The lower ends of the first cylindrical wall panel and the second cylindrical wall panel are fixed on the bottom surface of the tank body. The upper ends of the first cylindrical wall panel and the second cylindrical wall panel are closed by a baffle. A first cavity, a second cavity and a third cavity are respectively formed between the first cylindrical wall panel and the side wall of the tank body, between the first cylindrical wall panel and the second cylindrical wall panel, and inside the second cylindrical wall panel. The first cavity is filled with an activated carbon layer, and the second cavity is filled with an ion exchange resin layer. The water inlet and the first cavity are connected, a plurality of first through holes are evenly arranged circumferentially on the upper part of the first cylindrical wall panel, a plurality of second through holes are evenly arranged circumferentially on the upper part of the second cylindrical wall panel, and the third cavity is connected with the water outlet.

3. A combined water treatment device according to claim 2, characterized in that: The second through hole is arranged at a height not higher than the first through hole.

4. A combined water treatment device according to claim 3, characterized in that: A hollow water distribution tray is arranged on the upper part of the inner wall of the second cylindrical wall plate, a plurality of water inlet holes are evenly arranged on the top of the water distribution tray, a plurality of water outlet holes are evenly arranged on the bottom of the water distribution tray, and filter bags are installed at the water outlet holes.

5. A combined water treatment device according to claim 4, characterized in that: A first ultrafiltration membrane is also provided on the inner wall of the second cylindrical wall plate, and the first ultrafiltration membrane is located below the filter bag.

6. A combined water treatment device according to claim 5, characterized in that: A second ultrafiltration membrane is also provided on the inner wall of the second cylindrical wall plate, and the second ultrafiltration membrane is located below the first ultrafiltration membrane.

7. A combined water treatment device according to claim 1, characterized in that: It also includes a reflux pipe, the water inlet end of the reflux pipe is connected to the water outlet pipe, the water outlet end of the reflux pipe is respectively connected to the reflux water inlet arranged in the middle of the first composite filter tank and the second composite filter tank, the reflux water inlet is connected to the first cavity, and the fourth water inlet electric valve, flow meter, electric regulating valve, and second booster pump are arranged on the reflux pipe, and the fourth water inlet electric valve, flow meter, electric regulating valve, and second booster pump are respectively connected to the controller.

8. The combined water treatment equipment according to claim 1, characterized in that: It also includes a dosing box, which is located above the water collecting and settling box. A partition is arranged inside the dosing box, which divides the inner cavity of the dosing box into a coagulant chamber and a neutralizer chamber. The coagulant chamber and the neutralizer chamber are connected to the water collecting and settling box through a dosing pipe and a neutralizer pipe respectively. A dosing electric valve and a neutralizer electric valve are arranged on the dosing pipe and the neutralizer pipe respectively, and a controller is electrically connected to the dosing electric valve and the neutralizer electric valve respectively.

9. The combined water treatment equipment according to claim 1, characterized in that: It also includes a first sampling tube, both ends of which are connected to a water collecting pipe, the water collecting pipe is connected to the raw water inlet of a water collecting sedimentation tank, a first sampling electric valve and a first detection box are arranged on the first sampling tube, a first conductivity sensor and a first pH sensor are arranged inside the first detection box, and the first conductivity sensor and the first pH sensor are electrically connected to the controller respectively.

10. The combined water treatment equipment according to claim 1, characterized in that: It also includes a second sampling tube, both ends of which are connected to the water outlet pipe, a second sampling electric valve and a second detection box are arranged on the second sampling tube, a second conductivity sensor and a second pH sensor are arranged in the second detection box, and the second conductivity sensor and the second pH sensor are electrically connected to the controller respectively.

Images