Dosing device applied to sewage disinfection tank and disinfectant mixing mechanism of disinfection tank

By using a dosing device with multiple vertical dosing pipes and conical dosing holes in the sewage disinfection tank, combined with a diversion pipe and baffle design, the problem of uneven mixing of the agent and sewage was solved, thus improving the disinfection effect.

CN223674406UActive Publication Date: 2025-12-16CHONGQING HAOYANG WATER CONSTR MANAGEMENT CO LTD
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Patent Information

Application Number
CN202423231970.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The existing wastewater disinfection tanks suffer from insufficient mixing of chemicals with the wastewater, resulting in poor disinfection performance.

Method used

The dosing device employs multiple vertical dosing pipes and conical dosing holes, combined with the design of horizontal diversion pipes, bends, and tees, to ensure uniform distribution of the agent and thorough mixing with the wastewater. Baffles are used to create turbulence and enhance the mixing effect.

Benefits of technology

This ensures thorough mixing of the disinfectant and wastewater, thus improving the disinfection effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dosing device applied to a sewage disinfection tank and a disinfectant mixing mechanism of the disinfection tank, the disinfectant mixing mechanism comprises a disinfection tank body and a dosing device arranged on the disinfection tank body, and a plurality of cutoff walls are arranged in the disinfection tank body in parallel; a plurality of flow channels which are sequentially communicated end to end to form baffling are formed in the disinfection tank body through the cutoff walls, a water inlet is formed in the position of the flow channel located at the head end, the chemical adding device comprises a chemical adding box, a chemical adding pump and a chemical leading-out pipeline, and the chemical leading-out pipeline comprises a chemical adding main pipe communicated with an output pipe of the chemical adding pump. The shunting pipe is communicated with the dosing main pipe; the plurality of medicine outlet pipes are communicated with the shunting pipe; the medicine outlet pipes are installed at the lower end of the flow dividing pipe at intervals, a plug is installed at the lower end of each medicine outlet pipe, a plurality of medicine outlet holes are formed in each medicine outlet pipe in the axial direction, the medicine outlet holes are conical and face the water inlet, and the medicine outlet pipes are arranged in the disinfection tank body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sewage disinfection pool, concretely relates to a dosing device for sewage disinfection pool and disinfectant mixing mechanism of disinfection pool. BACKGROUND

[0002] With the development of industrialization, water resources are increasingly scarce, sewage discharge is increasingly large, and water pollution is aggravated, in order to protect resources, sewage treatment is adopted by more and more enterprises at present, and existing sewage treatment is generally discharged after sewage treatment reaches the standard, but this part of water has great utilization value, and is used as miscellaneous water after further treatment reaches miscellaneous water standard, such as city greening, road sprinkling and the like. In the sewage treatment process, the disinfection pool is an important sewage treatment structure. Generally, the sewage contains escherichia coli and harmful bacteria, in order to eliminate the bacteria, the disinfection pool needs to be set before sewage discharge. Based on this, the sewage treatment plant usually introduces sewage into the disinfection pool for disinfection treatment.

[0003] At present, the sewage disinfection pool mainly comprises a pool body, a water inlet pipe and a drain pipe are arranged on the pool body, a plurality of intervals are arranged in the pool body, a dosing device for injecting disinfectant into the pool body is arranged above the pool body, the dosing device is arranged close to the water inlet pipe, mainly comprises a dosing box, a reagent feeding pump and a reagent guide pipe, the disinfectant in the dosing box is pumped to the reagent guide pipe through the reagent feeding pump, and then flows into the disinfection pool through the reagent guide pipe. After the sewage in the water inlet pipe enters the pool body, the disinfectant flowing out of the reagent guide pipe is mixed, and the sewage is disinfected. This way of directly guiding the reagent guide pipe from top to bottom into the disinfection pool and mixing with the sewage flowing out of the water inlet pipe has the problems of short mixing time, insufficient mixing, and limited mixing range. After the sewage is filled, the contact between the upper sewage and the lower sewage and the disinfectant is uneven, and the disinfection effect is poor. SUMMARY

[0004] In view of the above problems in the prior art, the purpose of the utility model is to provide a dosing device for sewage disinfection pool and disinfectant mixing mechanism of disinfection pool, which solves the problems of single injection mode of the dosing device in the existing disinfection pool, insufficient mixing with sewage and poor disinfection effect.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a dosing device for sewage disinfection tank, including dosing box, dosing pump and medicament guide pipeline, dosing pump is connected between dosing box and medicament guide pipeline, is used for pumping the disinfectant in dosing box to medicament guide pipeline, medicament guide pipeline includes with dosing pump output pipe intercommunication's dosing main pipe, and with dosing main pipe intercommunication's shunt pipe and multiple with shunt pipe intercommunication's dosing pipe, shunt pipe is transversely arranged, and dosing pipe is vertically arranged, dosing pipe is installed at the lower end of shunt pipe, and a plug is installed at the lower end of each dosing pipe, and a plurality of dosing holes are arranged in the axial direction of each dosing pipe, and the dosing hole is tapered, so that the medicament guide pipeline of dosing device guides the medicament to multiple vertically arranged dosing pipes through a dosing main pipe, the lower end of each dosing pipe is blocked by a plug, and the medicament is sprayed through multiple dosing holes arranged on the dosing pipe, due to the multiple dosing pipes, the medicament can cover each position of the water channel, and the axial direction of the dosing hole arranged on the dosing pipe is uniformly distributed, so that the medicament is sprayed in the depth direction of the water channel, and the purpose of fully mixing the medicament is achieved.

[0007] Further, the end of the dosing main pipe is connected to the middle of the shunt pipe. In this way, the medicament flowing from the dosing main pipe can flow evenly to both sides of the shunt pipe, the medicament flows faster, and the distribution is more balanced.

[0008] Further, the shunt pipe includes two elbow pipes, multiple tee pipes, and multiple connecting pipes. The two elbow pipes are symmetrically arranged at the left and right ends. The tee pipes are arranged between the two elbow pipes. The adjacent two tee pipes and the tee pipes and the elbow pipes are connected by the connecting pipes. In this way, the shunt pipe is connected by multiple pipes. The tee pipes can be connected to the dosing main pipe or the dosing pipes in the middle. The elbow pipes can guide the medicament in the shunt pipe to the dosing pipes on both sides. This structure is quick and easy to assemble, and the cost is low.

[0009] A disinfectant mixing mechanism of a disinfection tank includes a disinfection tank body and a dosing device arranged on the disinfection tank body. Multiple water barriers are arranged side by side in the disinfection tank body. The water barriers form multiple water channels in the disinfection tank body, which are connected in series to form a baffle. A water inlet is arranged at the first water channel. The dosing device is as described above. The dosing pipes of the dosing device are distributed in the width direction of the water channel and are arranged in the disinfection tank body. The dosing holes of each dosing pipe are arranged towards the water inlet. In this way, the dosing device is arranged in the first water channel and is adjacent to the water inlet. When the external sewage enters the first water channel through the water inlet, it will mix with the medicament in the dosing device. Each dosing pipe of the dosing device is immersed in the disinfection tank body, so that it can fully mix with the sewage entering through the water inlet. The dosing pipes are distributed in the width direction of the water channel, so that the sewage passing through can be sprayed by the dosing holes of the dosing pipes. The medicament is fully mixed, and the disinfection effect is better.

[0010] Further, at least two baffles are arranged at the rear side of the medicating device, the baffles are arranged vertically to the water flow direction, the width of the baffles is less than the width of the water flow channel, the side ends of the adjacent two baffles are fixed on the side wall and the waterproof wall at the head end of the disinfecting pool body respectively, a plurality of water passing holes are arranged on each baffle, the water passing holes are conical, and the end with larger diameter is arranged towards the water inlet direction. When the external sewage enters into the head end water flow channel through the water inlet, the sewage will be mixed with the medicament in the medicating device, then passes through the flow section where the two baffles are arranged, and enters into the next water flow channel through the water passing holes on the baffles. After arranging a plurality of baffles and a plurality of water passing holes on the baffles, the water flow will form turbulent flow after passing through the water passing holes, the mixing effect of the medicament water and the sewage is improved, and the disinfecting effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structure schematic view of the medicating device in the embodiment;

[0012] Figure 2 It is a structure schematic view of the disinfecting liquid mixing mechanism in the embodiment 2;

[0013] Figure 3 It is a vertical structure schematic view of the baffle in the embodiment 2.

[0014] Figure 4 It is a cross section structure schematic view of the baffle in the embodiment 2 DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0016] It should be noted that similar reference numerals and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed during use, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In addition, the terms "horizontal", "vertical", and the like do not mean that the components must be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "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 mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0017] Example 1

[0018] As Figure 1As shown, the embodiment provides a dosing device 2 applied to a sewage disinfection tank, which comprises a dosing box 21, a medicament dosing pump 22 and a medicament outlet pipeline, the medicament dosing pump 22 is connected between the dosing box 21 and the medicament outlet pipeline, for pumping the disinfectant in the dosing box 21 to the medicament outlet pipeline, the medicament outlet pipeline comprises a dosing main pipe 23 in communication with the output pipe of the medicament dosing pump 22, and a shunt pipe 24 in communication with the dosing main pipe 23 and a plurality of medicine outlet pipes 25 in communication with the shunt pipe 24, the shunt pipe 24 is arranged transversely, and the medicine outlet pipes 25 are arranged vertically; the medicine outlet pipes 25 are installed at intervals at the lower end of the shunt pipe 24, a plug 27 is installed at the lower end of each medicine outlet pipe 25, a plurality of medicine outlet holes 26 are arranged in the axial direction of each medicine outlet pipe 25, and the medicine outlet holes 26 are conical. In this way, the medicament outlet pipeline of the dosing device 2 guides the medicament to a plurality of vertically arranged medicine outlet pipes 25 through a dosing main pipe 23, the lower end of each medicine outlet pipe 25 is plugged by a plug 27, and the medicament is sprayed through a plurality of medicine outlet holes 26 arranged on the medicine outlet pipe 25. Since the medicine outlet pipe 25 is provided with a plurality of medicine outlet holes 26, it can cover various positions of the water channel 12, and at the same time, the medicine outlet holes 26 arranged on the medicine outlet pipe 25 are uniformly distributed in the axial direction, so that the medicament is sprayed in the depth direction of the water channel 12, thereby achieving the purpose of fully mixing the medicament.

[0019] Further, the end of the dosing main pipe 23 is in communication with the middle part of the shunt pipe 24. In this way, the medicament flowing out of the dosing main pipe 23 can flow to both sides of the shunt pipe 24 evenly, the medicament flows faster and is more evenly distributed.

[0020] Further, the shunt pipe 24 comprises two elbow pipes, a plurality of three-way pipes and a plurality of connecting pipes, the two elbow pipes are symmetrically arranged at the left and right ends, the three-way pipes are arranged between the two elbow pipes, and the adjacent two three-way pipes and the three-way pipes and the elbow pipes are connected by the connecting pipes. In this way, the shunt pipe 24 is connected by a plurality of pipes, the three-way pipes can be connected with the dosing main pipe 23 or the medicine outlet pipes 25 in the middle part, and the elbow pipes can guide the medicament in the shunt pipe 24 to the medicine outlet pipes 25 on both sides. This structure is quick and convenient to assemble, and has low cost. As shown, in order to communicate with the dosing main pipe 23, the middle pipe of the three-way pipe in the middle part is arranged towards the middle pipe of the three-way pipe in the middle part, and the middle pipe of the three-way pipe in the middle part is arranged downwards, which is used to connect with the medicine outlet pipe 25.

[0021] Embodiment 2

[0022] As Figures 1-4As shown, the embodiment provides a disinfectant mixing mechanism of a disinfection tank, which comprises a disinfection tank body 1 and a dosing device 2 arranged on the disinfection tank body 1. A plurality of water barriers 11 are arranged side by side in the disinfection tank body 1, and the water barriers 11 form a plurality of water flow channels 12 in the disinfection tank body 1, which are sequentially connected at the head and tail to form a baffle. A water inlet 13 is arranged at the water flow channel 12 at the head. The dosing device 2 is as described in Embodiment 1. The medicine outlet pipes 25 of the dosing device 2 are arranged at intervals in the width direction of the water flow channel 12 and are arranged in the disinfection tank body 1. The medicine outlet holes 26 of each medicine outlet pipe 25 are arranged towards the water inlet 13. In this way, the dosing device 2 is arranged in the water flow channel 12 at the head and is adjacent to the water inlet 13. When the external sewage enters the water flow channel 12 at the head through the water inlet 13, the sewage is mixed with the medicament in the dosing device 2. The medicine outlet pipes 25 of the dosing device 2 are arranged at intervals in the width direction of the water flow channel 12, so that the sewage passing through the medicine outlet holes 26 of the medicine outlet pipes 25 is fully mixed with the medicament, and the disinfection effect is better.

[0023] Further, at least two baffles 3 are arranged at the rear side of the dosing device 2. The baffles 3 are arranged vertically to the water flow direction. The width of the baffles 3 is smaller than the width of the water flow channel 12. The side ends of the adjacent two baffles 3 are fixed to the side wall of the disinfection tank body 1 and the water barrier 11 at the head, respectively. A plurality of water passing holes 31 are arranged on each baffle 3. The water passing holes 31 are conical, and the end with the larger diameter is arranged towards the water inlet 13. In the embodiment, the diameter of the side with the larger diameter of the water passing hole 31 is 37-45 mm, and the diameter of the side with the smaller diameter is 28-35 mm. When the external sewage enters the water flow channel 12 at the head through the water inlet 13, the sewage is mixed with the medicament in the dosing device 2, and then passes through the flow section where the baffles 3 are arranged and enters the next water flow channel 12 through the water passing holes 31 on the baffles 3. After the water passing holes 31 are arranged on the baffles 3, the water flow forms a turbulent flow after passing through the water passing holes 31, which increases the mixing effect of the medicament and the sewage and improves the disinfection effect.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application rather than limit the technical solutions. Those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A dosing device for use in a wastewater disinfection tank, comprising a dosing tank, a dosing pump, and a discharging pipeline, wherein the dosing pump is connected between the dosing tank and the discharging pipeline, and is used to pump disinfectant solution from the dosing tank to the discharging pipeline, characterized in that, The medicament outlet pipeline comprises a medicament adding main pipeline communicated with the output pipeline of the medicament adding pump, a shunt pipeline communicated with the medicament adding main pipeline, and a plurality of medicament outlet pipelines communicated with the shunt pipeline, the shunt pipeline is horizontally arranged, and the medicament outlet pipelines are vertically arranged; the medicament outlet pipelines are spacedly arranged at the lower end of the shunt pipeline, a plug is arranged at the lower end of each medicament outlet pipeline, and a plurality of medicament outlet holes are arranged in the axial direction of each medicament outlet pipeline, the medicament outlet holes are tapered.

2. The dosing device for a sewage disinfection tank according to claim 1, characterized in that, The medicament adding main pipeline is communicated with the middle part of the shunt pipeline.

3. The dosing device for a sewage disinfection tank according to claim 2, characterized in that, The shunt pipeline comprises two elbow pipes, a plurality of three-way pipes and a plurality of connecting pipes, the two elbow pipes are symmetrically arranged at the left and right ends, the three-way pipes are arranged between the two elbow pipes, the adjacent two three-way pipes and the three-way pipes and the elbow pipes are communicated through the connecting pipes.

4. A disinfectant solution mixing mechanism for a disinfection tank, comprising a disinfection tank body and a chemical feeding device provided on the disinfection tank body, a plurality of water barriers are provided side by side in the disinfection tank body, the water barriers form a plurality of water flow channels in the disinfection tank body, the water flow channels are connected in series and form a baffle, a water inlet is provided at a first end of the water flow channels, characterized in that, The medicament adding device is as claimed in claim 1 or 2 or 3, the medicament outlet pipelines of the medicament adding device are spacedly arranged in the width direction of the water channel and are arranged in the disinfection pool body, the medicament outlet holes of each medicament outlet pipeline are arranged towards the water inlet direction.

5. The disinfectant mixing mechanism of a disinfection tank according to claim 4, wherein At least two baffles are further arranged at the rear side of the medicament adding device, the baffles are arranged vertically to the water flow direction, the width of the baffles is smaller than the width of the water channel, the side ends of the adjacent two baffles are respectively fixed on the side wall of the disinfection pool body and the water retaining wall at the head end, a plurality of water passing holes are arranged on each baffle, the water passing holes are tapered, and the end with the larger diameter is arranged towards the water inlet direction.