Raw water purification treatment system

Abstract

The utility model discloses a raw water purification treatment system and solves the problem of how to design water treatment equipment which is simple in structure and small in occupied area. Comprising a raw water storage tank (1), the raw water storage tank (1) is connected with a water guide pipe (2), the other end of the water guide pipe (2) is connected with a water collecting pipe (8), the water collecting pipe (8) is connected with a cyclone separation device used for clarifying raw water, and the water guide pipe (2) is sequentially connected with a water outlet valve (3), a booster pump (4), a pressure gauge (5), a pump valve (6) and a pipeline mixer (7) in series. A coagulant filling pipe (9) is arranged on the water guide pipe (2) between the water outlet valve (3) and the booster pump (4); a coagulant aid filling pipe (10) is arranged at a water inlet of the pipeline mixer (7); the process of raw water dosing clarification is simplified, a clarification tank is replaced, and the site space and the construction cost of the clarification tank are saved.

Description

TECHNICAL FIELD

[0001] The present application relates to a raw water treatment system, in particular to a raw water purification treatment system. BACKGROUND

[0002] Raw water generally refers to natural water sources collected in nature, including groundwater, mountain spring water, reservoir water and other natural water sources in nature, which have not been subjected to any artificial purification treatment; when the water treatment system takes surface water or shallow groundwater as the water source, the water body contains a large amount of suspended matter, sediment and colloidal matter, and the raw water needs to be pretreated, generally by using a clarifier for dosing sedimentation pretreatment. However, the structure of the clarifier is complex, the cost is high, and a large site is occupied. How to design a water treatment equipment with simple structure and small occupied area becomes a problem to be solved. SUMMARY

[0003] The present application provides a raw water treatment system, which solves the technical problem of how to design a water treatment equipment with simple structure and small occupied area.

[0004] The present application solves the above technical problems by the following technical scheme:

[0005] A raw water purification treatment system, comprising a raw water storage tank, a water guide pipe connected to the raw water storage tank, a water collecting pipe connected to the other end of the water guide pipe, a cyclone separation device for raw water clarification connected to the water collecting pipe, a water outlet valve, a booster pump, a pressure gauge, a pump valve and a pipeline mixer connected in series to the water guide pipe; a coagulant filling pipe is arranged on the water guide pipe between the water outlet valve and the booster pump, and a coagulant aid filling pipe is arranged at the water inlet of the pipeline mixer.

[0006] The cyclone separation device is composed of a cyclone cone, a slag ball collecting chamber and an annular water distribution branch pipe, the annular water distribution branch pipe is communicated with the water collecting pipe through a water distribution valve, the cyclone injection nozzles are arranged on the inner circumference of the annular water distribution branch pipe at equal intervals, the cyclone injection inlets are arranged on the side wall of the top end of the cyclone cone at equal intervals, the cyclone injection nozzles and the cyclone injection inlets are fixedly communicated together, the first spiral flow guide plates are arranged on the inner side wall of the cyclone cone in a spiral downward manner, the slag ball collecting chamber is connected to the bottom end outlet of the cyclone cone, the bowl-shaped water collecting cover is arranged on the top end port of the cyclone cone, the water outlet is arranged at the top end center of the bowl-shaped water collecting cover, the cyclone inner cylinder is connected to the inner side of the bowl-shaped water collecting cover, and the bowl-shaped water collecting cover and the cyclone inner cylinder form a continuous closed space, and the second spiral flow guide plates are arranged on the inner side wall of the cyclone inner cylinder in a spiral upward manner.

[0007] The flange plate is fixedly connected to the outer circle of the bowl-shaped water collecting cover, and the bowl-shaped water collecting cover is connected together with the top end port of the cyclone cone through the flange plate, the positioning bolt and the sealing gasket.

[0008] The swirl injection entrance of each swirl injection nozzle is arranged on the same horizontal circumference of the top side wall of the swirl cone cylinder, and the central axis of each swirl injection nozzle is tangent to the same horizontal circumference; and the upper end and the lower end of the swirl inner cylinder body are both in the shape of a horn mouth.

[0009] A working method of a raw water purification treatment system, comprising the following steps:

[0010] In the first step, the water outlet valve and the pump valve are opened, the raw water in the raw water storage tank is introduced into the pipeline mixer through the water guide pipe under the action of the booster pump, the coagulant is added into the water guide pipe through the coagulant filling pipe, and the coagulant aid is added into the pipeline mixer through the coagulant aid filling pipe, so that the coagulant, the coagulant aid and the raw water are mixed in the pipeline mixer;

[0011] In the second step, the water distribution valve is opened, the raw water in the pipeline mixer is injected into the swirl cone cylinder through the swirl injection nozzles in the clockwise swirl direction, and is guided to swirl downward by the first spiral flow guide plate arranged on the inner side wall of the swirl cone cylinder, in the process, the sludge in the raw water slides along the inner side wall of the swirl cone cylinder to the sludge collecting ball chamber;

[0012] In the third step, the water flow swirling to the central part of the bottom of the swirl cone cylinder enters the swirl inner cylinder through the bottom port of the swirl inner cylinder, is guided to swirl upward in the clockwise direction by the second spiral flow guide plate arranged on the inner side wall of the swirl inner cylinder, enters the bowl-shaped water collecting cover, and flows out through the water outlet, so that the raw water in the raw water storage tank is treated and purified.

[0013] The raw water in the water guide pipe is mixed with the coagulant and the coagulant aid through the mixing mechanism, so that the mixed raw water is clarified in the swirl device, the precipitate, the suspended matter and the colloidal flocculation in the raw water are centrifuged and separated in the swirl cylinder, the impurities after centrifugal separation are discharged from the lower port of the swirl cylinder, and the clean water body is discharged from the upper port of the swirl cylinder and enters the next water treatment device, so that the process of raw water dosing and clarification is simplified, the clarification tank is replaced, the site space and the construction cost of the clarification tank are saved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0015] Figure 2 It is a schematic diagram of the partial cross-sectional structure of the present application;

[0016] Figure 3 It is a schematic diagram of the half cross-sectional structure of the swirl cone cylinder 14 of the present application;

[0017] Figure 4 It is Figure 3 It is an enlarged structure schematic diagram of position A in the middle;

[0018] Figure 5 Structure diagram of the ring-shaped branch pipe 12 of the present application. DETAILED DESCRIPTION

[0019] The present application will be described in detail below with reference to the accompanying drawings:

[0020] A raw water purification treatment system comprises a raw water storage tank 1, a water guide pipe 2 connected to the raw water storage tank 1, a water collecting pipe 8 connected to the other end of the water guide pipe 2, a cyclone separation device for clarifying raw water connected to the water collecting pipe 8, a water outlet valve 3, a booster pump 4, a pressure gauge 5, a pump valve 6 and a pipeline mixer 7 connected to the water guide pipe 2 in sequence; a coagulant filling pipe 9 is arranged on the water guide pipe 2 between the water outlet valve 3 and the booster pump 4, and a coagulant aid filling pipe 10 is arranged at the water inlet of the pipeline mixer 7; the raw water in the water guide pipe 2 is mixed with the coagulant and the coagulant aid through the mixing mechanism installed on the water guide pipe 2 and the cyclone installed at the end of the water guide pipe 2, so that the mixed raw water is clarified in the cyclone, the precipitate, the suspended matter and the colloidal flocculation in the raw water are centrifuged in the cyclone, the impurities after centrifugation are discharged from the lower opening of the cyclone, and the clean water is discharged from the upper opening of the cyclone to enter the next water treatment device, so that the process of raw water dosing and clarification is simplified, the clarifying tank is replaced, the site space and the construction cost of the clarifying tank are saved; the coagulant aid filling pipe 10 installed between the pump valve 6 and the pipeline mixer 7 of the water guide pipe 2 of the present application makes the coagulant in the coagulant filling pipe 9 preliminarily mixed through the booster pump 4, and the booster pump 4 also plays a role of pressurization, while the coagulant aid in the coagulant aid filling pipe 10 is mixed with the coagulant through the pipeline mixer 7, so that the effect of mixing the coagulant and the coagulant aid in the raw water is improved, so that the raw water is clarified in the cyclone after the coagulant and the coagulant aid are added.

[0021] The cyclone separation device is composed of a cyclone cone 14, a slag ball collecting chamber 16 and an annular water distribution branch pipe 12. The annular water distribution branch pipe 12 is communicated with the water collecting pipe 8 through a water distribution valve 11. The cyclone injection nozzles 13 are arranged on the inner circumference of the annular water distribution branch pipe 12 at equal intervals. The cyclone injection inlets are arranged on the side wall of the top end of the cyclone cone 14 at equal intervals. The cyclone injection nozzles 13 are fixedly communicated with the cyclone injection inlets. The first helical guide plates 15 spirally descending are arranged on the inner side wall of the cyclone cone 14. The slag ball collecting chamber 16 is connected to the bottom end outlet of the cyclone cone 14. The bowl-shaped water collecting cover 19 is arranged on the top end of the cyclone cone 14. The water outlet is arranged at the top end center of the bowl-shaped water collecting cover 19. The inner cylinder body 17 of the cyclone is connected to the inner side of the bowl-shaped water collecting cover 19. The inner cylinder body 17 and the bowl-shaped water collecting cover 19 form a communicated closed space. The second helical guide plates 18 spirally ascending are arranged on the inner side wall of the inner cylinder body 17 of the cyclone. The water collecting pipe 8 injects the raw water mixed with coagulant and coagulant aid in the water guide pipe 2 into the annular water distribution branch pipe 12 through the water distribution valve 11. The annular water distribution branch pipe 12 injects the raw water into the cyclone cone 14 through the cyclone injection nozzles 13 tangent to the cyclone cone 14, so that the raw water spirally flows in the cyclone cone 14. The inner cylinder body 17 of the cyclone is arranged in the cyclone cone 14. When the water in the cyclone cone 14 flows into the inner cylinder body 17 of the cyclone, the large particles in the water flow outward due to rotation, and the clean water converges to the center and flows upward into the bowl-shaped water collecting cover 19 through the inner cylinder body 17 of the cyclone. The first helical guide plates 15 welded on the inner surface of the cyclone cone 14 and the second helical guide plates 18 welded on the inner surface of the inner cylinder body 17 of the cyclone facilitate the downward flow of the water rotating in the cyclone cone 14 and the upward flow of the water rotating in the inner cylinder body 17 of the cyclone, so that the large impurities in the cyclone cone 14 are precipitated in the slag ball collecting chamber 16.

[0022] The flange plate 20 is fixedly connected to the outer circle of the bowl-shaped water collecting cover 19. The bowl-shaped water collecting cover 19 is connected to the top end of the cyclone cone 14 through the flange plate 20, the positioning bolt 22 and the sealing gasket 21.

[0023] The cyclone injection inlets of the cyclone injection nozzles 13 are arranged on the same horizontal circumference of the top end side wall of the cyclone cone 14. The central axes of the cyclone injection nozzles 13 are tangent to the same horizontal circumference. The upper end and the lower end of the inner cylinder body 17 of the cyclone are both in the shape of a bell mouth. The inner cylinder body 17 of the cyclone and the bowl-shaped water collecting cover 19 form a closed water conveying channel upwardly communicating at the center of the cyclone cone 14. The space in the cyclone cone 14 outside the cyclone cone 14 is communicated with the water collecting pipe 8 and the cyclone injection nozzles 13, forming a downwardly cyclone separating water conveying channel. The slag separated by the cyclone is discharged into the slag ball collecting chamber 16 through the bottom end of the cyclone cone 14.

[0024] A working method of raw water purification treatment system, comprising the following steps:

[0025] The first step, open the outlet valve 3 and pump valve 6, raw water storage tank 1 in the raw water under the action of booster pump 4 through the water pipe 2 into the pipeline mixer 7, at the same time, by adding pipe 9 coagulant coagulant into the water pipe 2, by adding pipe 10 coagulant coagulant into the pipeline mixer 7, coagulant and coagulant and raw water in the pipeline mixer 7 mixing;

[0026] The second step, open the water valve 11, pipeline mixer 7 in raw water through each cyclone jet nozzle 13 in the clockwise direction of the spiral flow into the spiral cone 14, and through the setting of the first spiral guide plate 15 of the spiral downward on the inner wall of the spiral cone 14 under the guidance of the downward spiral, in the process, the dregs in the raw water along the inner wall of the spiral cone 14 slide to the ball room 16;

[0027] The third step, the water flow to the central part of the spiral flow cone 14 from the bottom of the cyclone inner cylinder 17 bottom port into the cyclone inner cylinder 17, under the guidance of the second spiral guide plate 18 of the spiral upward on the inner wall of the cyclone inner cylinder 17, along the clockwise direction of the upward spiral into the bowl-shaped water cover 19, and through the water outlet 23 flow out, so as to realize the raw water treatment and purification of raw water storage tank 1.

Claims

1. A raw water purification treatment system comprising a raw water storage tank (1) to which a water guide pipe (2) is connected, characterized by, The other end of the water guide pipe (2) is connected with a water collecting pipe (8), a cyclone separation device for raw water clarification is connected on the water collecting pipe (8), a water outlet valve (3), a booster pump (4), a pressure gauge (5), a pump valve (6) and a pipeline mixer (7) are connected in series on the water guide pipe (2) in sequence; a coagulant filling pipe (9) is arranged on the water guide pipe (2) between the water outlet valve (3) and the booster pump (4), and a coagulant aid filling pipe (10) is arranged at the water inlet of the pipeline mixer (7).

2. The raw water purification treatment system according to claim 1, wherein The cyclone separation device is composed of a cyclone cone (14), a slag ball collecting chamber (16) and an annular water distribution branch pipe (12), the annular water distribution branch pipe (12) is communicated with the water collecting pipe (8) through a water distribution valve (11), the inner circumference of the annular water distribution branch pipe (12) is provided with cyclone injection nozzles (13) at equal intervals, the top end side wall of the cyclone cone (14) is provided with cyclone injection inlets at equal intervals, the cyclone injection nozzles (13) are communicated with the cyclone injection inlets correspondingly; the inner side wall of the cyclone cone (14) is provided with first helical guide plates (15) descending spirally, the bottom end outlet of the cyclone cone (14) is connected with the slag ball collecting chamber (16), the top end port of the cyclone cone (14) is provided with a bowl-shaped water collecting cover (19), the top end central part of the bowl-shaped water collecting cover (19) is provided with a water outlet (23), the inner side of the bowl-shaped water collecting cover (19) is connected with a cyclone inner cylinder (17), the bowl-shaped water collecting cover (19) and the cyclone inner cylinder (17) form a continuous closed space, the inner side wall of the cyclone inner cylinder (17) is provided with second helical guide plates (18) ascending spirally.

3. The raw water purification treatment system according to claim 1 or 2, characterized by The outer circle of the bowl-shaped water collecting cover (19) is fixedly connected with a flange (20), the bowl-shaped water collecting cover (19) is connected with the top end port of the cyclone cone (14) through the flange (20), positioning bolts (22) and a sealing gasket (21).

4. The raw water purification treatment system according to claim 1 or 2, characterized by The cyclone injection inlets of the cyclone injection nozzles (13) are arranged on the same horizontal circumference of the top end side wall of the cyclone cone (14), and the central axes of the cyclone injection nozzles (13) are tangent to the same horizontal circumference; the upper end and the lower end of the cyclone inner cylinder (17) are both in the shape of a trumpet mouth.

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