Medicament adding device

Abstract

The utility model provides a medicament adding device. The medicament adding device comprises a reaction tank; the first pipeline is used for introducing a medicament; the outlet ends of the second pipelines are located above the reaction tank, the second pipelines are used for adding chemicals into the reaction tank, the second pipelines are distributed on the first pipeline at intervals along the axis of the first pipeline and communicated with the first pipeline, and at least two second pipelines are different in length; the positions of the outlet ends of the second pipelines in the direction perpendicular to the water inlet direction of the reaction tank are different. According to the device disclosed by the utility model, chemicals can be added more dispersively, reasonably and uniformly, and the pH value of the whole area of the reaction tank is kept in a better range, so that the microbial activity is increased, and the efficiency of decomposing organic matters is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment equipment field, especially a medicament dosing device. BACKGROUND

[0002] The current A2 O process, namely anaerobic-anoxic-aerobic process, is a widely used wastewater treatment technology that removes organic matter, nitrogen and phosphorus in wastewater by simulating the process of biodegradation in natural environment, and is suitable for urban wastewater treatment, industrial wastewater treatment and other scenarios. The aerobic stage in the A2 O process is one of the three main stages of the process, and in the aerobic tank, organic matter is biologically degraded, and nitrification reaction is carried out to convert ammonia nitrogen into nitrate. Alkali needs to be added to adjust the pH value of the wastewater during operation to ensure that aerobic microorganisms can grow and metabolize under suitable acid-base conditions. First, the pH value directly affects the growth rate of microorganisms, and within a suitable pH range, the growth rate of microorganisms is faster and the metabolic activity is vigorous; when the pH value deviates from this range, the growth rate of microorganisms will decrease significantly. Second, changes in pH value will affect the activity of enzymes and thus affect the metabolic activity of microorganisms, for example, certain enzymes will lose activity at too high or too low pH values, resulting in blocked metabolic activity. Third, the pH value also affects the function of proteins, thereby affecting the physiological activity of microorganisms. Proteins may denature under extreme pH conditions, resulting in impaired microbial function.

[0003] The existing alkali dosing device is directly fixed with a single dosing pipe at the side of the reaction tank. The disadvantages of this arrangement are: 1. The pH value at the medicament dosing point area is too high, and the activity of microorganisms will decrease under too high pH value, affecting their decomposition of organic matter; 2. The mixing speed of other areas with medicament is slow, and too low pH value will affect the metabolic activity of microorganisms, resulting in decreased removal efficiency of organic matter. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a medicament dosing device that can make medicament dosing more dispersed, reasonable and uniform, maintain the pH value of the whole area of the reaction tank within a better range, thereby increasing microbial activity and improving the efficiency of decomposing organic matter.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a medicament dosing device, which comprises:

[0006] a reaction tank;

[0007] a first pipeline for introducing medicament;

[0008] a plurality of second pipes, outlet ends of the plurality of second pipes being located above the reaction tank for adding reagent to the reaction tank, the plurality of second pipes being spaced along the axis of the first pipe and being in communication with the first pipe, lengths of at least two of the second pipes being different, and positions of the outlet ends of each of the second pipes in a direction perpendicular to the water inlet direction of the reaction tank being different.

[0009] Optionally, the first pipe is horizontally arranged, and the axis of the first pipe is perpendicular to the water inlet direction of the reaction tank.

[0010] Optionally, the plurality of second pipes are horizontally arranged above the water inlet end of the reaction tank, and lengths of the second pipes gradually decrease from both ends of the first pipe to the middle of the first pipe.

[0011] Optionally, the reagent adding device comprises a reagent supply pipe and a dilution water inlet pipe, the reagent supply pipe being in communication with the first pipe for conveying reagent to the first pipe, and the dilution water inlet pipe being in communication with the first pipe for conveying dilution water to the first pipe.

[0012] Optionally, the reagent supply pipe and the dilution water inlet pipe are in communication with the same inlet on the first pipe, and the distance between the inlet and the shortest second pipe is shorter than the distance between the inlet and other second pipes.

[0013] Optionally, the reagent adding device comprises a reagent supply pipe and a dilution water inlet pipe, the reagent supply pipe being in communication with the first pipe for conveying reagent to the first pipe, and the dilution water inlet pipe being in communication with the first pipe for conveying dilution water to the first pipe.

[0014] Optionally, the second pipe is a straight pipe, and the axis of the second pipe is perpendicular to the axis of the first pipe.

[0015] Optionally, the outlet direction of the second pipe is the same as the water inlet direction of the reaction tank.

[0016] Optionally, the sum of cross-sectional areas of all the second pipes is not greater than the cross-sectional area of the first pipe.

[0017] Optionally, the plurality of second pipes are uniformly distributed along the axis of the first pipe.

[0018] As configured above, the utility model of the multiple second pipelines replaces the single dosing pipe of the prior art, disperses the dosing of the medicament, and the lengths of the at least two second pipelines are different. It can be understood that the longer the pipeline, the greater the resistance encountered by the fluid when passing through, and the lower the flow rate. At the same time, the longer the pipeline, the lower the pressure of the fluid due to friction and local resistance loss, and the lower the flow rate of the fluid, i.e. the lower the water outlet speed, which directly affects the water outlet flow and thus the dosing amount. Therefore, the dosing amount in different areas of the reaction tank can be controlled by using this principle, a larger dosing amount is arranged in the area with a high flow rate in the reaction tank, and a smaller dosing amount is arranged in the area with a low flow rate in the reaction tank, so that the dosing of the medicament is more reasonable. In summary, the utility model can make the dosing of the medicament more dispersed, reasonable and uniform, keep the pH value in the whole area of the reaction tank in a preferable range, and thus increase the microbial activity and improve the efficiency of decomposing organic matter. BRIEF DESCRIPTION OF DRAWINGS

[0019] Those skilled in the art should understand that the provided drawings are used to better understand the utility model and do not constitute any limitation on the scope of the utility model. Among them:

[0020] Figure 1 is a schematic view of the medicament dosing device of an embodiment of the utility model.

[0021] Among them, the reference signs are as follows:

[0022] 1-reaction tank; 2-intersection pipe; 3-first pipeline; 4-second pipeline; 5-medicament supply pipe; 6-dilution water inlet pipe. DETAILED DESCRIPTION

[0023] In this document, unless otherwise stated, the terms "upper", "lower", "left", "right", "inner", "outer", "front", "back", "top", "bottom", etc. are used to indicate the orientation or positional relationship based on the drawings, only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation and operation, therefore it cannot be understood as a limitation on the utility model.

[0024] The specific embodiments of the utility model will be described in more detail below in combination with the schematic view. The advantages and features of the utility model will be clearer according to the following description. It should be noted that the drawings are very simplified and use non-precise proportions, only for the purpose of facilitating and clearly assisting the description of the embodiments of the utility model.

[0025] The preferred embodiments of the utility model will be given below in combination with the drawings and described in detail.

[0026] Figure 1 is a schematic view of the medicament dosing device of an embodiment of the utility model. Please refer toFigure 1 The utility model embodiment provides a kind of reagent dosing device, including reaction pool 1, first pipeline 3 and multiple second pipelines 4, the reaction pool 1 of this embodiment is with aerobic tank as example, aerobic tank can be divided into front section, middle section and rear section, middle section is provided with the pH meter for detecting pH value, the reagent dosing device of this embodiment is used to add reagent to the front section of aerobic tank.First pipeline 3 is used to pass into reagent, first pipeline 3 is horizontally arranged, the axis of first pipeline 3 is perpendicular to the water inlet direction of reaction pool 1, first pipeline 3 can be fixed on the fence of reaction pool side.

[0027] The outlet end of multiple second pipelines 4 is located above reaction pool 1, for adding reagent to reaction pool 1, further, multiple second pipelines 4 are located above the water inlet end of reaction pool 1 and horizontally arranged.Multiple second pipelines 4 are spaced apart on first pipeline 3 along the axis of first pipeline 3 and communicate with first pipeline 3, the spaced apart distribution of second pipeline 4 on first pipeline 3 can be uniform distribution, but it is not necessary to be uniformly distributed.The length of at least two second pipelines 4 is different, and the outlet end of each second pipeline 4 is different in the position perpendicular to the water inlet direction of reaction pool 1.For example, the length of second pipeline 4 from the two ends of first pipeline 3 to the middle of first pipeline 3 decreases in turn.It can be understood that the length of second pipeline 4 is determined according to the flow rate at each place in reaction pool 1, for example, in the embodiment, the flow rate is faster in the middle position of reaction pool 1, and the flow rate is slower on both sides of reaction pool 1, more reagent needs to be added in the area with faster flow rate than in the area with slower flow rate to ensure the effect of reagent and make the pH value in reaction pool 1 more uniform, and the length of second pipeline 4 is an important factor affecting the amount of reagent, because: the longer the pipeline, the greater the resistance encountered by fluid when passing through, the lower the flow rate, at the same time, the longer the pipeline, the pressure of fluid will gradually decrease due to friction and local resistance loss, which will also reduce the flow rate of fluid, i.e. reduce the water outlet speed of pipeline, and the water outlet speed directly affects the water flow, thereby affecting the amount of reagent.Therefore, shorter pipeline needs to be selected for the area with faster flow rate in reaction pool 1, and longer pipeline needs to be selected for the area with slower flow rate in reaction pool 1.Further, second pipeline 4 is a straight pipe, the axis of second pipeline 4 is perpendicular to the axis of first pipeline 3, i.e. the direction of second pipeline 4 is consistent with the water inlet direction of reaction pool 1, and the outlet direction of second pipeline 4 is the same as the water inlet direction of reaction pool 1.The sum of the cross-sectional areas of all second pipelines 4 is not greater than the cross-sectional area of first pipeline 3.

[0028] Preferably, the medicament adding device comprises a medicament supply pipe 5 and a dilution water inlet pipe 6, the medicament supply pipe 5 is communicated with the first pipe 3 for delivering medicament to the first pipe 3, and the dilution water inlet pipe 6 is communicated with the first pipe 3 for delivering dilution water to the first pipe 3. The medicament supply pipe 5 can be used for supplying lye, and the medicament supply pipe 5 can be made of carbon steel. Further, the dilution water inlet pipe 6 can be communicated with an industrial water pipe network, for example, the water in the industrial water pipe network can include water processed by a series of processes such as reverse osmosis and water processed by processes such as inclined pipe sedimentation, and can be used to dilute lye. An adjusting valve can be arranged on the dilution water inlet pipe 6, and the flow of the dilution water can be adjusted through the adjusting valve, so as to adjust the concentration of the medicament in the first pipe 3 and better control the pH value of the medicament adding point area. Preferably, the medicament supply pipe 5 and the dilution water inlet pipe 6 are communicated with the same inlet on the first pipe 3. The connection mode of the medicament supply pipe 5 and the dilution water inlet pipe 6 with the same inlet can be, for example, that the medicament supply pipe 5, the dilution water inlet pipe 6 and a converging pipe 2 are communicated with each other, and the converging pipe 2 is communicated with the first pipe 3. The distance between the inlet and the shortest second pipe 4 is closer than the distance between the inlet and other second pipes 4, and the shortest second pipe 4 corresponds to the middle position of the reaction tank 1, so as to increase the medicament flow at the middle position of the reaction tank 1. It can be understood that the closer the distance between the inlet and the second pipe 4, the greater the fluid impact, the greater the speed of the fluid flowing out of the second pipe 4, the farther the distance between the inlet and the second pipe 4, the more pressure loss, and the smaller the speed of the fluid flowing out of the second pipe 4. The dilution water inlet pipe 6, the first pipe 3 and the second pipe 4 can all be made of plastic material, such as UPVC (hard polyvinyl chloride).

[0029] The medicament adding device comprises a medicament adding pump, and the medicament adding pump is connected with the medicament supply pipe 5. For example, the medicament adding pump can be a variable frequency medicament adding pump, so as to control the adding amount of the medicament.

[0030] As configured above, the utility model provides a kind of medicament dosing device, it includes reaction pool 1, first pipeline 3 and multiple second pipelines 4.First pipeline 3 is used to enter medicament;The outlet end of multiple second pipelines 4 is located above reaction pool 1, for adding medicament to reaction pool 1, multiple second pipelines 4 are spaced distribution on first pipeline 3 along the axis of first pipeline 3 and communicate with first pipeline 3, the length of at least two second pipelines 4 is different, and the position of the outlet end of each second pipeline 4 in the direction perpendicular to the water inlet direction of reaction pool 1 is not same.The utility model replaces the single dosing pipe of prior art with multiple second pipelines 4, and medicament is dispersed and added, and the length of at least two second pipelines 4 is different.It can be understood that the longer the pipeline, the greater the resistance encountered by fluid when passing through, and the lower the flow rate, simultaneously, the longer the pipeline, due to friction and local resistance loss, the pressure of fluid will gradually reduce, and the flow rate of fluid will also reduce, i.e.

[0031] It should be noted that the recitations in the specification of "one embodiment", "an embodiment", "some embodiments", or "one specific embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. The appearances of the phrase in various places in the specification are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described or claimed.

[0032] It should be noted that the various embodiments described in this specification are progressive, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be mutually referred to.For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, it is described more simply, and the relevant part can be referred to the method part.

[0033] It should also be noted that, although the utility model has disclosed as above with preferred embodiments, the above embodiments are not used to limit the utility model. For any skilled person in the art, without departing from the scope of the utility model technical scheme, the above disclosed technical content can be used to make many possible changes and modifications to the utility model technical scheme, or modified as equivalent examples of equivalent changes. Therefore, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model, which does not deviate from the content of the utility model technical scheme, still belongs to the scope of the utility model technical scheme protection.

[0034] It should also be understood that, unless specifically described or indicated, the terms "first", "second", "third" and the like in the specification are merely used to distinguish different components, elements, steps and the like in the specification, and are not used to represent the logical relationship or sequence relationship between the components, elements, steps and the like.

[0035] In addition, it should be recognized that the terms described herein are merely used to describe specific embodiments, and are not used to limit the scope of the utility model. It must be noted that the singular forms "a" and "an" and "the" used herein and in the appended claims include plural referents unless the context clearly dictates otherwise. For example, reference to "a step" or "a means" means reference to one or more steps or means and can include sub-steps and sub-means. All conjunctions used herein should be interpreted in the broadest possible sense. Also, the word "or" should be interpreted as having the logical definition of "or" rather than the logical definition of "exclusive or" unless the context clearly dictates otherwise. In addition, the implementation of the methods and / or devices in the embodiments of the utility model can include performing selected tasks manually, automatically or a combination thereof.

Claims

1. A drug dosing device, characterized in that, include: Reaction tank; A first conduit, the first conduit being used to introduce the medicine; Multiple second pipes, with their outlets located above the reaction tank, are used to add reagents to the reaction tank. The multiple second pipes are spaced apart along the axis of the first pipe and connected to the first pipe. At least two of the second pipes have different lengths, and the outlets of each second pipe are located at different positions perpendicular to the water inlet direction of the reaction tank.

2. The drug dosing device as described in claim 1, characterized in that, The first pipe is horizontally positioned, and its axis is perpendicular to the water inlet direction of the reaction tank.

3. The drug dosing device as described in claim 2, characterized in that, Multiple second pipes are located above the water inlet of the reaction tank and are arranged horizontally, with the length of the second pipes decreasing sequentially from both ends of the first pipe to the middle of the first pipe.

4. The drug dosing device as described in claim 1, characterized in that, The agent dosing device includes an agent supply pipe and a dilution water inlet pipe. The agent supply pipe is connected to the first pipeline and is used to deliver the agent to the first pipeline. The dilution water inlet pipe is connected to the first pipeline and is used to deliver dilution water to the first pipeline.

5. The drug dosing device as described in claim 4, characterized in that, The drug supply pipe and the dilution water inlet pipe are connected to the same inlet on the first pipe, and the inlet is closer to the shortest second pipe than the inlet is closer to the other second pipes.

6. The drug dosing device as described in claim 4, characterized in that, The dosing device includes a dosing pump and a regulating valve. The dosing pump is connected to the drug supply pipe, and the regulating valve is located on the dilution water inlet pipe.

7. The drug dosing device as described in claim 1, characterized in that, The second pipe is a straight pipe, and the axis of the second pipe is perpendicular to the axis of the first pipe.

8. The drug dosing device as described in claim 1, characterized in that, The outlet direction of the second pipe is the same as the inlet direction of the reaction tank.

9. The drug dosing device as described in claim 1, characterized in that, The sum of the cross-sectional areas of all the second pipes is not greater than the cross-sectional area of ​​the first pipe.

10. The drug dosing device as described in claim 1, characterized in that, Multiple second pipes are evenly distributed along the axis of the first pipe on the first pipe.

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