Medicament mixing device for sewage treatment

Abstract

The utility model provides a chemical mixing device for sewage treatment. The chemical mixing device comprises a stirring tank, a premixing tank and a chemical feeding cylinder, a detachable flow guide assembly is arranged in the premixing tank and comprises a bearing disc, a flow blocking disc and a plurality of arc-shaped flow guide pieces. A bearing disc is arranged in the premixing tank, a channel hole is formed in the bearing disc, the interior of the premixing tank is divided into a liquid inlet cavity and a liquid outlet cavity through the bearing disc, the liquid inlet cavity is communicated with the stirring tank through a circulating liquid inlet pipe, a circulating pump is arranged on the circulating liquid inlet pipe, and the liquid outlet cavity is communicated with the stirring tank through a circulating liquid outlet pipe. And the top surface of the flow blocking disc is connected with the bottom surface of the bearing disc through the arc-shaped flow deflectors. The medicine feeding cylinder is detachably arranged in the liquid outlet cavity, a plurality of flow guide holes are formed in the side wall of the medicine feeding cylinder, and the bottom end of the medicine feeding cylinder is inserted into the flow guide assembly along the channel hole. According to the medicament mixing device for sewage treatment, the dissolving speed of medicaments can be increased, and the preparation efficiency and the mixing effect of the medicaments can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of sewage treatment equipment, and in particular relates to a sewage treatment agent mixing device. Background Technology

[0002] In existing technologies, wastewater treatment can be classified into three types according to its function: physical methods, biological methods, and chemical methods. Among them, chemical methods refer to methods that use chemical reactions to treat or recover dissolved or colloidal substances in wastewater. Due to its excellent wastewater treatment effect, chemical methods have been widely used.

[0003] When using chemical methods for wastewater treatment, workers need to prepare the reagents according to the actual conditions of the wastewater to ensure that the components are fully mixed and to achieve good wastewater treatment results. However, traditional reagent mixing devices mostly rely on stirring mechanisms to mix the reagents. Therefore, when the reagent contains one or more solid components, traditional reagent mixing devices require a long stirring time to fully dissolve the solid components. This not only consumes a lot of energy but also reduces the efficiency of reagent preparation, thus affecting the wastewater treatment progress. Utility Model Content

[0004] In view of this, the present invention aims to provide a wastewater treatment agent mixing device to solve the above-mentioned technical problems.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0006] A wastewater treatment reagent mixing device includes: a stirring tank, a premixing tank, and a dosing cylinder; the stirring tank is equipped with a rotatable stirring paddle, and has an inlet pipe and an outlet pipe; the premixing tank is equipped with a detachable flow guiding assembly, which includes: a support plate, a baffle plate, and multiple arc-shaped guide vanes; the support plate has channel holes, and divides the interior of the premixing tank into an inlet cavity and an outlet cavity, the inlet cavity being located below the support plate, and connected to the stirring tank via a circulating inlet pipe. The system is interconnected, and a circulation pump is installed on the circulation inlet pipe. The outlet cavity is located above the support plate and is connected to the stirring tank through the circulation outlet pipe. The top surface of the baffle plate is connected to the bottom surface of the support plate through an arc-shaped guide plate. Multiple arc-shaped guide plates are arranged radially around the channel hole, and a flow guiding gap is formed between any two adjacent arc-shaped guide plates. The dosing cylinder is detachably installed inside the outlet cavity. Multiple flow guiding holes are provided on the side wall of the dosing cylinder, and the bottom end of the dosing cylinder is inserted into the flow guiding assembly along the channel hole.

[0007] Furthermore, a sealing ring is provided inside the channel hole, the outer diameter of the sealing ring being equal to the inner diameter of the channel hole, and the inner diameter of the sealing ring being equal to the outer diameter of the dosing cartridge.

[0008] Furthermore, the outer diameter of the baffle plate is smaller than the outer diameter of the bearing plate, and the outer diameter of the baffle plate is smaller than the inner diameter of the liquid inlet cavity.

[0009] Furthermore, the premix tank includes a first splicing section and a second splicing section, and a connecting ring is provided on the outer wall of the support plate; the first splicing section is located above the support plate, and a first connecting flange is provided at the bottom end of the first splicing section; the second splicing section is located below the support plate, and a second connecting flange is provided at the bottom end of the second splicing section; and both the first connecting flange and the second connecting flange are detachably connected to the connecting ring by bolts.

[0010] Furthermore, the bottom of the premix tank is provided with a removable lower cover, on which an electric heating rod is provided. The electric heating rod is inserted into the liquid inlet cavity, and a positioning groove for accommodating the top of the electric heating rod is provided on the bottom surface of the baffle plate.

[0011] Furthermore, the top surface of the dosing cylinder is provided with a dosing hole, and a detachable dosing cover is provided on the dosing hole.

[0012] Furthermore, the dosing cylinder includes a limiting section, a threaded section, and a receiving section connected sequentially from top to bottom. A removable upper cover is provided on the top of the premix tank, and a threaded hole for receiving the threaded section is provided on the upper cover.

[0013] Furthermore, the premix tank is provided with a feeding pipe on its side wall, and the feeding pipe is connected to the liquid inlet cavity.

[0014] Compared with the prior art, the wastewater treatment reagent mixing device of this utility model has the following advantages:

[0015] (1) The wastewater treatment reagent mixing device of this utility model includes a flow guiding component and a dosing cylinder for containing reagents inside a premixing tank. A circulating pump circulates the material inside the stirring tank within the premixing tank. During reagent mixing, the circulation of material in the premixing tank improves the dissolution efficiency of the reagents, thereby shortening the stirring cycle of the stirring tank and enhancing the uniformity of reagent mixing. Furthermore, the flow guiding component of this device includes multiple arc-shaped guide vanes. When the material circulates inside the premixing tank, the flow guiding component allows the material to enter the dosing cylinder in a swirling motion and contact the reagents, further improving the dissolution effect of the reagents.

[0016] (2) The wastewater treatment reagent mixing device of this utility model has a first splicing section and a second splicing section that are detachably connected to a connecting ring. After use, the premixing tank can be disassembled by the staff for cleaning and maintenance.

[0017] (3) The wastewater treatment reagent mixing device of this utility model is equipped with an electric heating rod inside the liquid inlet cavity. During reagent mixing, the electric heating rod can increase the temperature of the material, thereby enhancing the dissolution and mixing effect of the reagent. In addition, the device is also equipped with a feed pipe on the premixing tank, and the operator can inject liquid reagent components into the premixing tank through the feed pipe to meet different reagent preparation requirements. Attached Figure Description

[0018] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0019] Figure 1 This is a schematic diagram of the wastewater treatment reagent mixing device according to an embodiment of the present invention;

[0020] Figure 2 This is an exploded view of the premixing tank and related structures described in the embodiments of this utility model;

[0021] Figure 3 This is a cross-sectional view of the premixed pipe described in an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the flow guiding component described in an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the bottom structure of the flow guiding component described in an embodiment of the present utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the dosing cylinder described in an embodiment of the present invention.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1-Stirring tank; 11-Infeed pipe; 12-Outlet pipe; 21-First splicing section; 211-Outlet cavity; 212-Circulating outlet pipe; 22-Second splicing section; 221-Inlet cavity; 222-Circulating inlet pipe; 223-Circulating pump; 224-Maintenance pipe; 23-Lower cover; 24-Upper cover; 241-Threaded hole; 3-Bearing plate; 31-Channel hole; 311-Sealing ring; 32-Connecting ring; 4-Baffle plate; 41-Positioning groove; 5-Arc-shaped guide vane; 61-Limiting section; 62-Threaded section; 63-Accommodation section; 64-Guide hole; 65-Feeding cover; 7-Electric heating rod. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0028] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] A wastewater treatment reagent mixing device, the structure of which can be made of Figures 1-6The following is an illustration. In this embodiment, the wastewater treatment agent mixing device includes: a stirring tank 1, a premixing tank, and a dosing cylinder. The dosing cylinder is used to contain solid agents. The stirring tank 1 is used to stir the materials during the agent preparation process to improve the mixing uniformity of the agents. The premixing tank is used to circulate the materials during the agent preparation process, thereby facilitating the dissolution of solid agents and improving the mixing uniformity of the components during the agent preparation process.

[0032] Specifically, the stirring tank 1 is equipped with a rotatable stirring paddle, and has an inlet pipe 11 and an outlet pipe 12. The premixing tank is equipped with a detachable flow guiding assembly, which includes a support plate 3, a baffle plate 4, and multiple arc-shaped flow guiding vanes 5. Figures 1 to 5 As shown, the support plate 3 has a channel hole 31, which divides the interior of the premixing tank into an inlet cavity 221 and an outlet cavity 211. The inlet cavity 221 is located below the support plate 3 and is connected to the stirring tank 1 through a circulating inlet pipe 222. A circulating pump 223 is installed on the circulating inlet pipe 222. The outlet cavity 211 is located above the support plate 3 and is connected to the stirring tank 1 through a circulating outlet pipe 212. The top surface of the baffle plate 4 is connected to the bottom surface of the support plate 3 through arc-shaped guide vanes 5. Multiple arc-shaped guide vanes 5 are arranged radially around the channel hole 31, and a flow guiding gap is formed between any two adjacent arc-shaped guide vanes 5. The dosing cylinder is detachably installed inside the outlet cavity 211. Multiple flow guiding holes 64 are provided on the side wall of the dosing cylinder, and the bottom end of the dosing cylinder is inserted into the flow guiding assembly along the channel hole 31.

[0033] During use, operators can introduce the solvent (such as water or other common solvents used for drug preparation) and liquid drug components into the stirring tank 1 through the feed pipe 11, and connect the discharge pipe 12 to the subsequent drug application equipment. Next, the solid drug components to be mixed are placed into the dosing cylinder, and the circulation pump 223 and the agitator are started. Under the action of the circulation pump 223, the material inside the stirring tank 1 circulates between the premixing tank and the stirring tank 1, thereby dissolving the solid drug components inside the dosing cylinder. When the material containing dissolved solid drug components enters the stirring tank 1, the agitator agitates the material containing dissolved solid drug components, the solvent in the stirring tank 1, and the liquid drug components, thus uniformly mixing the components in the drug. Because the solid drug components gradually dissolve into the material during the circulation process, and the circulation improves the uniformity of mixing of the components in the drug, the agitation cycle of the agitator can be shortened, thereby improving the efficiency of drug preparation.

[0034] Furthermore, since the premixing tank is divided into an inlet cavity 221 and an outlet cavity 211 by a support plate 3, and multiple radially arranged arc-shaped guide vanes 5 are provided between the support plate 3 and the baffle plate 4 around the channel hole 31, the guide assembly guides the flow pattern of the material when it enters the outlet cavity 211 from the inlet cavity 221. Specifically, when the material in the inlet cavity 221 moves towards the outlet cavity 211, the material passes through the guide gap between adjacent arc-shaped guide vanes 5, at which point the arc-shaped guide vanes 5 guide the material to form a swirling state. Subsequently, the swirling material enters the dosing cylinder through the guide hole 64 at the bottom of the dosing cylinder, thereby increasing the contact probability between the material and the solid reagent component and accelerating the dissolution rate of the solid reagent component. Next, the material containing the dissolved solid reagent component enters the outlet cavity 211 through the guide hole 64 at the top of the dosing cylinder, and finally flows into the stirring tank 1 along the circulating outlet pipe 212. Compared with common flow patterns, this device can create a swirling flow through the flow guiding components, thereby improving the dissolution efficiency of solid pharmaceutical components, resulting in higher efficiency and better mixing effect in the preparation of pharmaceuticals.

[0035] Optionally, to facilitate the entry of material from the liquid inlet cavity 221 into the dosing cylinder, in this embodiment, the outer diameter of the baffle plate 4 should be smaller than the outer diameter of the support plate 3, and the outer diameter of the baffle plate 4 should be smaller than the inner diameter of the liquid inlet cavity 221. Because the outer diameter of the baffle plate 4 is smaller, it reduces the difficulty of material entering the flow guiding assembly, thereby accelerating the material flow rate inside the premixing tank and improving the dissolution efficiency of the solid reagent components.

[0036] Furthermore, to prevent material inside the inlet cavity 221 from entering the outlet cavity 212 through the gap between the dosing cylinder and the channel hole 31, a sealing ring 311 can be provided inside the channel hole 31. The outer diameter of the sealing ring 311 should be equal to the inner diameter of the channel hole 31, and the inner diameter of the sealing ring 311 should be equal to the outer diameter of the dosing cylinder. This seals the gap between the dosing cylinder and the channel hole 31, ensuring that material in the inlet cavity 221 can only enter the outlet cavity 212 through the dosing cylinder.

[0037] As an optional implementation of this embodiment, to further improve the dissolution efficiency of solid pharmaceutical components, the bottom of the premixing tank may also be provided with a removable lower cover 23. An electric heating rod 7 is mounted on the lower cover 23, and a positioning groove 41 for accommodating the tip of the electric heating rod 7 is provided on the bottom surface of the baffle plate 4. After the lower cover 23 is assembled, the electric heating rod 7 will be inserted into the liquid inlet cavity 221, and the tip of the electric heating rod 7 will enter the positioning groove 41 to prevent abnormal shaking of the electric heating rod 7 during material circulation. During drug preparation, the operator can activate the electric heating rod 7 to increase the temperature of the material inside the premixing tank, thereby reducing the difficulty of dissolving the solid pharmaceutical components and allowing them to dissolve quickly into the material.

[0038] To facilitate cleaning of the premixing tank's interior, the premixing tank in this embodiment may include a first splicing section 21 and a second splicing section 22, and a connecting ring 32 may also be provided on the outer wall of the support plate 3. Figure 2 As shown, the bottom end of the first splicing section 21 is provided with a first connecting flange, and the bottom end of the second splicing section 22 is provided with a second connecting flange. During assembly, the first splicing section 21 is positioned above the support plate 3, and the second splicing section 22 is positioned below the support plate 3. Both the first and second connecting flanges are detachably connected to the connecting ring by bolts. After completing one reagent preparation operation, the operator can disassemble the first splicing section 21, the flow guiding assembly, and the second splicing section 22 to facilitate cleaning of the inside of the premixing tank and prevent reagent residue from remaining inside the premixing tank.

[0039] Figure 6 The diagram shows the structure of the dosing cylinder. To facilitate the placement of solid reagent components into the cylinder, a dosing hole is provided on the top surface, with a removable dosing cap 65. After the solid reagent components are placed into the cylinder, the dosing cap 65 can be used to seal the dosing hole, preventing material from the premixing tank from splashing outwards along the dosing hole.

[0040] Optionally, to facilitate assembly between the dosing cartridge and the premixing tank, the dosing cartridge may include a limiting section 61, a threaded section 62, and a receiving section 63 connected sequentially from top to bottom. Correspondingly, a removable upper cover 24 is provided at the top of the premixing tank, and the upper cover 24 has a threaded hole 241 for receiving the threaded section 62. After the solid reagent component is placed inside the dosing cartridge, the operator can insert the receiving section 63 into the premixing tank and fix the dosing cartridge to the upper cover 24 through the engagement of the threaded section 62 and the threaded hole 241, thereby securely installing the dosing cartridge on the premixing tank.

[0041] Furthermore, since the reagents required for common wastewater treatment operations may contain a variety of different reagent components, as another optional implementation of this embodiment, a feed pipe 224 connected to the liquid inlet cavity 221 can also be provided on the side wall of the premixing tank. During use, operators can add liquid reagent components to the premixing tank through the feed pipe 224, thereby improving the convenience of reagent preparation.

[0042] The effects of the above solution are explained below:

[0043] This embodiment provides a wastewater treatment reagent mixing device. It utilizes a circulating pump to circulate the material inside the stirring tank within the premixing tank, improving reagent dissolution efficiency and mixing effect, and shortening the stirring cycle of the stirring tank. Secondly, the device uses a flow guiding component to create a swirling flow within the premixing tank, further increasing the reagent dissolution rate. Furthermore, the device uses an electric heating rod to raise the temperature within the premixing tank, reducing the difficulty of reagent dissolution. Additionally, the premixing tank can be disassembled after reagent preparation for easy cleaning and maintenance.

[0044] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A medicament mixing device for sewage treatment, characterized by comprising: The application relates to a mixing device, which comprises a stirring tank (1), a premixing tank and a medicine feeding cylinder; the stirring tank (1) is internally provided with a rotatable stirring paddle, and the stirring tank (1) is provided with an inlet connecting pipe (11) and an outlet connecting pipe (12); the premixing tank is internally provided with a detachable flow guide assembly, and the flow guide assembly comprises a bearing disc (3), a flow blocking disc (4) and a plurality of arc-shaped flow guide fins (5); the bearing disc (3) is provided with a channel hole (31), and the inside of the premixing tank is divided into a liquid inlet cavity (221) and a liquid outlet cavity (211) through the bearing disc (3); the liquid inlet cavity (221) is located below the bearing disc (3), the liquid inlet cavity (221) is connected with the stirring tank (1) through a circulating liquid inlet pipe (222), a circulating pump (223) is arranged on the circulating liquid inlet pipe (222), the liquid outlet cavity (211) is located above the bearing disc (3), and the liquid outlet cavity (211) is connected with the stirring tank (1) through a circulating liquid outlet pipe (212); the top surface of the flow blocking disc (4) is connected with the bottom surface of the bearing disc (3) through the arc-shaped flow guide fins (5), the arc-shaped flow guide fins (5) are arranged in a radial manner on the side of the channel hole (31), and flow guide gaps are formed between any two adjacent arc-shaped flow guide fins (5); the medicine feeding cylinder is detachably arranged in the liquid outlet cavity (211), a plurality of flow guide holes (64) are arranged on the side wall of the medicine feeding cylinder, and the bottom end of the medicine feeding cylinder is inserted into the flow guide assembly along the channel hole (31). The channel hole (31) is internally provided with a sealing ring (311), the outer diameter of the sealing ring (311) is equal to the inner diameter of the channel hole (31), and the inner diameter of the sealing ring (311) is equal to the outer diameter of the medicine feeding cylinder.

2. The agent mixing device for sewage treatment according to claim 1, characterized by: The outer diameter of the flow blocking disc (4) is smaller than the outer diameter of the bearing disc (3), and the outer diameter of the flow blocking disc (4) is smaller than the inner diameter of the liquid inlet cavity (221).

3. The agent mixing device for sewage treatment according to claim 1, characterized by: The premixing tank comprises a first splicing section (21) and a second splicing section (22), and a connecting ring (32) is further arranged on the outer side wall of the bearing disc (3); the first splicing section (21) is arranged above the bearing disc (3), a first connecting flange is arranged at the bottom end of the first splicing section (21), the second splicing section (22) is arranged below the bearing disc (3), a second connecting flange is arranged at the bottom end of the second splicing section (22), and the first connecting flange and the second connecting flange are detachably connected with the connecting ring (32) through bolts.

4. The agent mixing device for sewage treatment according to claim 1, characterized by: The bottom of the premixing tank is provided with a detachable lower cover (23), an electric heating rod (7) is arranged on the lower cover (23), the electric heating rod (7) is inserted into the liquid inlet cavity (221), and a positioning groove (41) for accommodating the top end of the electric heating rod (7) is arranged on the bottom surface of the flow blocking disc (4).

5. The agent mixing device for sewage treatment according to claim 1, characterized by: A feeding hole is arranged on the top surface of the medicine feeding cylinder, and a detachable feeding cover (65) is arranged on the feeding hole.

6. The agent mixing device for sewage treatment according to claim 1, characterized by: The medicine feeding cylinder comprises a limiting section (61), a threaded section (62) and a containing section (63) which are sequentially connected from top to bottom, a detachable upper cover (24) is arranged on the top of the premixing tank, and a threaded hole (241) for containing the threaded section (62) is arranged on the upper cover (24).

7. The agent mixing device for sewage treatment according to claim 1, characterized by: ​ 8. The agent mixing device for sewage treatment according to claim 1, characterized by: The premixing tank is provided with a side wall, and a feeding connector (224) is arranged on the side wall, which is communicated with the liquid inlet cavity (221).

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