Dosing device for sewage treatment equipment and sewage treatment equipment

Abstract

The utility model relates to a dosing device for sewage treatment equipment and the sewage treatment equipment, the dosing device comprises a medicine dissolving box (1), a conveying pipeline (2), a driving device (3) and a flow stabilizing device (4), the medicine dissolving box (1) is configured to generate medicine liquid, the conveying pipeline (2) is connected between the medicine dissolving box (1) and a settling pond (9), and the driving device (3) is connected with the flow stabilizing device (4). The conveying pipeline (2) is configured to convey liquid medicine in the medicine dissolving box (1) into the sedimentation tank (9) so that impurities in the sedimentation tank (9) can be condensed and precipitated, the driving device (3) is arranged on the conveying pipeline (2) and is configured to drive the liquid medicine to flow in the conveying pipeline (2), and the flow stabilizing device (4) is arranged on the conveying pipeline (2) and is configured to stabilize the liquid medicine in the sedimentation tank (9). And the flow stabilizing device (4) is configured to keep the conveying flow of the conveying pipeline (2) stable. The sewage treatment equipment comprises a dosing device. According to the utility model, the stability of conveying flow can be effectively improved, so that the sewage treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a dosing device for sewage treatment equipment and sewage treatment equipment. Background Art

[0002] There are a large number of tiny suspended matter and colloidal particles in the production or domestic sewage of cigarette manufacturers. They are dispersed in water and difficult to remove by conventional means. By adding chemicals such as polyaluminium chloride (PAC) and acrylamide (PAM), the surface charge properties of the particles are changed, which can generate attraction between impurity particles such as suspended matter and colloidal particles, causing these particles to condense into large agglomerates. These aggregates are dense and easy to settle, making them easy to separate from sewage and achieve water purification effects.

[0003] Adding liquid medicine to the sedimentation tank through a dosing device is a key link in the sewage treatment process. At present, the dosing device in the relevant technology does not operate smoothly, which affects the sewage treatment efficiency.

[0004] The above statements are only used to provide background information related to the present application and do not necessarily constitute prior art.

[0005] It should be noted that the information disclosed in the background technology section of the present invention is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or suggestion in any form that the information constitutes prior art already known to those skilled in the art. Utility Model Content

[0006] The embodiment of the utility model provides a dosing device for sewage treatment equipment and sewage treatment equipment, which can effectively improve the stability of the dosing flow rate, improve the operation of the dosing device, and improve the sewage treatment efficiency.

[0007] According to one aspect of the utility model, there is provided a dosing device for sewage treatment equipment, comprising a dissolving drug box, a conveying pipeline, a driving device and a flow stabilizing device, the dissolving drug box being configured to generate a drug solution, the conveying pipeline being connected between the dissolving drug box and a sedimentation tank, the conveying pipeline being configured to convey the drug solution in the dissolving drug box to the sedimentation tank so as to cause impurities in the sedimentation tank to condense and precipitate, the driving device being arranged in the conveying pipeline, the driving device being configured to drive the drug solution to flow in the conveying pipeline, the flow stabilizing device being arranged in the conveying pipeline, the flow stabilizing device being configured to keep the conveying flow of the conveying pipeline stable.

[0008] In some embodiments, the flow stabilization device includes a back pressure valve.

[0009] In some embodiments, the flow stabilizing device includes a damper.

[0010] In some embodiments, the flow stabilizing device includes a back pressure valve and a damper, the back pressure valve and the damper are both arranged downstream of the driving device, and the back pressure valve is arranged upstream of the damper.

[0011] In some embodiments, the dosing device for sewage treatment equipment further includes a filtering device, and the filtering device is configured to filter the drug solution transported by the transport pipeline.

[0012] In some embodiments, the filter device is disposed upstream of the drive device.

[0013] In some embodiments, the filtration device comprises a Y-type filter.

[0014] In some embodiments, the dosing device for sewage treatment equipment also includes a nozzle connected to the outlet of the delivery pipeline, the nozzle includes a plurality of nozzles facing the sedimentation tank, and the plurality of nozzles are evenly arranged above the sedimentation tank.

[0015] In some embodiments, the dosing device for sewage treatment equipment further includes a first agitator and a second agitator, the first agitator is disposed in the drug dissolving tank, and the second agitator is disposed in the sedimentation tank.

[0016] According to another aspect of the utility model, there is provided a sewage treatment equipment, comprising the above-mentioned dosing device for the sewage treatment equipment.

[0017] Based on the above technical scheme, the utility model can provide power for the flow of the medicine liquid in the conveying pipeline by setting a driving device, and can improve the stability of the conveying flow rate of the medicine liquid in the conveying pipeline by setting a flow stabilizing device, thereby improving the operation of the dosing device, so that the dosing device can stably and smoothly add medicine to the sedimentation tank, thereby improving the sewage treatment efficiency and avoiding the reduction of sewage treatment efficiency due to unsmooth dosing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 The present invention is a schematic structural diagram of an embodiment of a dosing device for sewage treatment equipment provided by the utility model.

[0020] In the figure:

[0021] 1. Drug dissolving box; 2. Delivery pipeline; 3. Driving device; 4. Flow stabilizing device; 41. Back pressure valve; 42. Damper; 5. Filtering device; 6. Nozzle; 7. First agitator; 8. Second agitator; 9. Sedimentation tank. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0024] like Figure 1 As shown, in some embodiments of the dosing device for sewage treatment equipment provided by the utility model, the dosing device includes a dissolving drug box 1, a conveying pipeline 2, a driving device 3 and a flow stabilizing device 4, the dissolving drug box 1 is configured to generate a drug solution, the conveying pipeline 2 is connected between the dissolving drug box 1 and the sedimentation tank 9, the conveying pipeline 2 is configured to transport the drug solution in the dissolving drug box 1 to the sedimentation tank 9, so that the impurities in the sedimentation tank 9 are condensed and precipitated, the driving device 3 is arranged on the conveying pipeline 2, the driving device 3 is configured to drive the drug solution to flow in the conveying pipeline 2, the flow stabilizing device 4 is arranged on the conveying pipeline 2, and the flow stabilizing device 4 is configured to keep the conveying flow of the conveying pipeline 2 stable.

[0025] By providing the driving device 3 , power can be provided for the flow of the liquid medicine in the delivery pipeline 2 .

[0026] By providing the flow stabilizing device 4, the stability of the delivery flow rate of the drug solution in the delivery pipeline 2 can be improved, thereby improving the operation of the dosing device, allowing the dosing device to stably and smoothly add drugs to the sedimentation tank, thereby improving the sewage treatment efficiency and avoiding a reduction in the sewage treatment efficiency due to unsmooth dosing.

[0027] The driving device 3 may be a fluid driving element such as a pump.

[0028] In some embodiments, the driving device 3 may be a metering pump, which is helpful in maintaining the stability of the delivery flow in the delivery pipeline 2 and can also achieve precise flow control and metering.

[0029] There are many options for the specific implementation of the flow stabilizing device 4.

[0030] In some embodiments, the flow stabilizing device 4 includes a back pressure valve 41. The back pressure valve 41 can maintain the required pressure of the pipeline delivery when the pressure of the pipeline or the equipment container is unstable, so that the pump can output the flow normally.

[0031] In some embodiments, the flow stabilizing device 4 includes a damper 42. The damper 42 can prevent the interference force generated by the metering pump and the like from causing damage to the delivery pipeline 2. When the metering pump is used as the driving device 3, the damper 42 can absorb the impact force, reduce the vibration caused by the impact, and maintain the stability of the delivery flow of the delivery pipeline 2.

[0032] In some embodiments, the flow stabilizing device 4 includes a back pressure valve 41 and a damper 42 . The back pressure valve 41 and the damper 42 are both arranged downstream of the driving device 3 , and the back pressure valve 41 is arranged upstream of the damper 42 .

[0033] By simultaneously providing the back pressure valve 41 and the damper 42 , the stability of the delivery flow of the delivery pipeline 2 can be more effectively improved, thereby effectively ensuring the sewage treatment efficiency.

[0034] The back pressure valve 41 is disposed upstream of the damper 42 , and can reduce the vibration of the pipeline while maintaining the required pressure of the pipeline.

[0035] In some embodiments, the dosing device for sewage treatment equipment further includes a filtering device 5 , and the filtering device 5 is configured to filter the liquid medicine transported by the transport pipeline 2 .

[0036] By providing the filtering device 5, the liquid medicine transported by the delivery pipe 2 can be filtered to prevent impurities in the liquid medicine from affecting the patency of the delivery pipe 2 and the driving device 3, thereby reducing the probability of blockage of the delivery pipe 2 and the driving device 3.

[0037] In some embodiments, the filtering device 5 is disposed upstream of the driving device 3 .

[0038] By arranging the filtering device 5 upstream of the driving device 3 , the drug liquid can be filtered before the drug liquid passes through the driving device 3 , thereby preventing impurities in the drug liquid from clogging the driving device 3 and affecting the normal operation of the driving device 3 .

[0039] In some embodiments, the filtering device 5 comprises a Y-type filter.

[0040] The Y-type filter has a simple structure, is easy to replace the filter, and is relatively convenient to use and operate.

[0041] In some embodiments, the dosing device for sewage treatment equipment further includes a nozzle 6 connected to the outlet of the delivery pipe 2 , the nozzle 6 includes a plurality of nozzles facing the sedimentation tank 9 , and the plurality of nozzles are evenly arranged above the sedimentation tank 9 .

[0042] By providing the nozzle 6, the liquid medicine can be input into the sedimentation tank 9. The liquid medicine can be sprayed from multiple nozzles, which can increase the spraying area of ​​the liquid medicine and accelerate the accumulation of particles in the sewage.

[0043] A plurality of nozzles are evenly arranged above the sedimentation tank 9, and the liquid medicine can be evenly sprayed into the sedimentation tank 9, so that the particles in the sedimentation tank 9 can be evenly and quickly contacted with the liquid medicine, which is beneficial to improving the sewage treatment efficiency.

[0044] The structure of the nozzle 6 can be flexibly set. For example, the nozzle 6 can be used as an extension section of the delivery pipeline 2 and can be integrally formed with the delivery pipeline 2. A plurality of nozzles can be arranged at intervals along the extension direction of the delivery pipeline 2.

[0045] In other embodiments, the nozzle 6 may be independent of the delivery pipe 2 and communicated with the outlet of the delivery pipe 2. The nozzle 6 may be square or circular, and a plurality of nozzles are evenly arranged around the center of the nozzle 6 to form a plurality of circles.

[0046] In some embodiments, the dosing device for sewage treatment equipment further includes a first agitator 7 and a second agitator 8 , wherein the first agitator 7 is disposed in the drug dissolving tank 1 , and the second agitator 8 is disposed in the sedimentation tank 9 .

[0047] By providing the first agitator 7, the mixing between the drug particles added to the drug dissolving box 1 and the solvent in the drug dissolving box 1 can be accelerated, the generation rate of the drug solution can be increased, and it is also helpful to improve the dissolution rate of the drug solution and improve the sewage treatment capacity.

[0048] By setting up the second agitator 8, the mixing of the drug solution and the sewage can be accelerated, the agglomeration of the particles in the sewage can be accelerated, and the sewage treatment efficiency can be improved; it is also beneficial to fully mix the drug solution with the sewage, so that the drug and the particles in the sewage are fully in contact, so that more tiny particles can be agglomerated, and the sewage treatment capacity can be improved.

[0049] In such Figure 1 In the embodiment shown, the dosing device includes a dissolving tank 1, a conveying pipeline 2, a driving device 3, a flow stabilizing device 4, a filtering device 5, a nozzle 6, a first agitator 7 and a second agitator 8. The flow stabilizing device 4 includes a back pressure valve 41 and a damper 42.

[0050] The drug dissolving tank 1 and the sedimentation tank 9 can be cylindrical or rectangular containers.

[0051] The bottom of the drug dissolving box 1 is provided with an outlet, which is communicated with the delivery pipeline 2. The delivery pipeline 2 is provided with a filter device 5, a drive device 3, a back pressure valve 41 and a damper 42 in sequence along the flow direction of the drug solution.

[0052] The end of the conveying pipe 2 bends upward and extends to the top of the sedimentation tank 9, then bends again and extends horizontally. The horizontal extension section forms a nozzle 6, which is provided with multiple nozzles. The liquid medicine is evenly sprayed into the interior of the sedimentation tank 9 through the multiple nozzles.

[0053] The first stirrer 7 is disposed inside the drug dissolving box 1 and is used to stir the liquid in the drug dissolving box 1 to accelerate the mixing of the drug particles and the solvent and accelerate the dissolution of the drug particles.

[0054] The second agitator 8 is disposed inside the sedimentation tank 9 and is used to agitate the liquid in the sedimentation tank 9, accelerate the mixing of the liquid medicine and the sewage particles, and accelerate the coagulation of the sewage particles.

[0055] The embodiment of the utility model can maintain the stability of the delivery flow in the delivery pipeline by adding a back pressure valve; by adding a damper, the impact force generated when the driving device is running can be alleviated, the impact on the delivery pipeline can be reduced, and the stability of delivery can be improved; by providing a filtering device, impurities in the medicine solution can be filtered out to prevent foreign matter from clogging the driving device; by providing a plurality of evenly arranged nozzles, medicine can be evenly added to the sedimentation tank; by providing a first agitator and a second agitator, the dissolution of the medicine and the coagulation of the particles can be accelerated.

[0056] Based on the above-mentioned dosing device for sewage treatment equipment, the utility model also proposes a sewage treatment equipment, which includes the above-mentioned dosing device for sewage treatment equipment.

[0057] The positive technical effects of the dosing device for sewage treatment equipment in the above-mentioned embodiments are also applicable to sewage treatment equipment and will not be described in detail here.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that without departing from the principle of the utility model, the specific implementation method of the utility model can still be modified or some technical features can be replaced by equivalents, and these modifications and equivalent replacements should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A dosing device for sewage treatment equipment, characterized in that: include: A drug dissolving box (1) is configured to generate a drug solution; A delivery pipeline (2) is connected between the drug dissolving tank (1) and the sedimentation tank (9), and the delivery pipeline (2) is configured to transport the drug solution in the drug dissolving tank (1) to the sedimentation tank (9) so as to cause impurities in the sedimentation tank (9) to condense and precipitate; A driving device (3) is disposed in the delivery pipeline (2), and the driving device (3) is configured to drive the drug solution to flow in the delivery pipeline (2); and A flow stabilizing device (4) is arranged on the delivery pipeline (2), and the flow stabilizing device (4) is configured to keep the delivery flow rate of the delivery pipeline (2) stable.

2. The dosing device for sewage treatment equipment according to claim 1, characterized in that: The flow stabilizing device (4) comprises a back pressure valve (41).

3. The dosing device for sewage treatment equipment according to claim 1, characterized in that: The flow stabilizing device (4) comprises a damper (42).

4. The dosing device for sewage treatment equipment according to claim 1, characterized in that: The flow stabilizing device (4) comprises a back pressure valve (41) and a damper (42); the back pressure valve (41) and the damper (42) are both arranged downstream of the driving device (3), and the back pressure valve (41) is arranged upstream of the damper (42).

5. The dosing device for sewage treatment equipment according to claim 1, characterized in that: It also comprises a filtering device (5), wherein the filtering device (5) is configured to filter the liquid medicine transported by the transport pipeline (2).

6. The dosing device for sewage treatment equipment according to claim 5, characterized in that: The filtering device (5) is arranged upstream of the driving device (3).

7. The dosing device for sewage treatment equipment according to claim 5, characterized in that: The filtering device (5) comprises a Y-type filter.

8. The dosing device for sewage treatment equipment according to claim 1, characterized in that: It also comprises a nozzle (6) connected to the outlet of the conveying pipeline (2), wherein the nozzle (6) comprises a plurality of nozzles facing the sedimentation tank (9), and the plurality of nozzles are evenly arranged above the sedimentation tank (9).

9. The dosing device for sewage treatment equipment according to claim 8, characterized in that: It also includes a first agitator (7) and a second agitator (8), wherein the first agitator (7) is arranged in the drug dissolving tank (1), and the second agitator (8) is arranged in the sedimentation tank (9).

10. A sewage treatment equipment, characterized in that: It comprises a dosing device for sewage treatment equipment as described in any one of claims 1 to 9.

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