A storage arrangement for medicine in sewage treatment plant
By designing the structures of the storage tank, inlet tank, dosing tank and submersible sewage pump in the dosing system of the sewage plant, the leakage problems of the drug delivery, storage tank interface and dosing pump device are solved, and the effective return of the drug and the normal operation of the system are achieved.
Patent Information
- Application Number
- CN202421012642.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-05-11
AI Technical Summary
In the dosing system of the sewage plant, there are problems of aging and dripping of pipeline valves caused by the open-air setting of the dosing pump.
A sewage plant storage arrangement is designed, including a storage tank pool, a medicine inlet pool, a medicine dosing pool, a water collection pit and a submersible sewage pump. By setting up a cofferdam, a submersible sewage pump and related pipeline valves, the effective return and leakage of the agent is achieved, and a protective cover is installed at the dosing pump to prevent the impact of sun and rain.
It effectively solves the leakage problems of the drug delivery, storage tank interface and dosing pump device, ensures the safety of the drug and the normal operation of the system, and takes into account the rainwater discharge problems of traditional cofferdam-type dosing devices.
Smart Images
Figure CN222715116U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sewage treatment plants and relates to the storage arrangement of medicines in sewage treatment plants. Background Art
[0002] At present, there is generally a demand for adding chemicals during the treatment process of sewage treatment plants, such as adding carbon sources to supplement the BOD of the biochemical pool, adding coagulants for chemical phosphorus removal, adding sodium hypochlorite for tail water disinfection, adding sodium hydroxide, hydrochloric acid, etc. to adjust the pH value, etc. The dosing system is generally composed of a chemical storage tank and a dosing pump. The chemical storage tank is responsible for receiving the chemical transported by the chemical transport vehicle, and the dosing pump draws the chemical from the bottom of the chemical storage tank and injects the chemical into the designated chemical dosing point through the dosing pipeline.
[0003] The dosing systems currently used generally have many problems of leakage. The main problems are as follows:
[0004] (1) The drug delivery vehicle needs to be connected to the drug supply pipeline for drug delivery. The drug is prone to leakage at the connection point of the drug pipeline.
[0005] (2) There is a pipe interface at the bottom of the reagent storage tank, which is prone to leakage. The leaked reagent cannot be discharged into the existing sewage pipe around the dosing system at will. The treatment and disposal of the reagent leakage becomes a problem.
[0006] (3) Dosing pumps are usually installed outdoors. The outlet pipe valves of dosing pumps installed outdoors are all made of PVC plastic. As time goes by, they are greatly affected by the sun and rain. In daily operation, the operating pressure of dosing pumps is relatively high. After the pipes or valves are aged, they are prone to bursting or drug leakage. It is also difficult to handle the leaked drugs. Summary of the invention
[0007] The utility model aims to provide a drug storage arrangement for a sewage treatment plant, which can solve the above-mentioned problems and take into account the rainwater discharge problem of a traditional cofferdam-type drug adding device when used outdoors.
[0008] According to the technical solution provided by the utility model: a drug storage arrangement of a sewage treatment plant includes a storage tank pool and a drug inlet pipe, a drug inlet pool and a drug dosing pool are respectively arranged on both sides of the storage tank pool, the floor elevations of the drug inlet pool and the drug dosing pool are higher than the storage tank pool, a drug storage tank is arranged in the storage tank pool, one end of the drug inlet pipe is located above the drug inlet pool, and the other end of the drug inlet pipe is connected to the drug storage tank, a drug dosing device is arranged in the drug dosing pool, and the drug dosing device is connected to the drug storage tank through a drug outlet pipe, a first connecting pipe is arranged between the drug inlet pool and the storage tank pool, and a second connecting pipe is arranged between the storage tank pool and the drug dosing pool; a sump is arranged at a lower part of the storage tank pool; the sump is connected to the sewage pipe network and the drug storage tank respectively through a submersible sewage pump.
[0009] As a further improvement of the utility model, the port of the first connecting pipe located at the medicine inlet pool is in an open state; and a pipe cap is installed at the port of the first connecting pipe located at the storage tank pool.
[0010] As a further improvement of the utility model, the port of the second connecting pipe located at the dosing tank is in an open state; and a pipe cap is installed at the port of the second connecting pipe located at the storage tank.
[0011] As a further improvement of the utility model, the dosing device includes a dosing pump, the input end of the dosing pump is connected to the dosing pipe, and the output end of the dosing pump is connected to the sewage treatment tank through a pipeline; a protective cover is installed outside the dosing pump, and the dosing pump is controlled by the dosing device control cabinet.
[0012] As a further improvement of the utility model, the input end of the submersible sewage pump is connected to the sump, and the output end of the submersible sewage pump is installed with an outlet pipe, the outlet pipe is connected to the sewage pipe and the drug return pipe through a tee, and the other end of the sewage pipe is connected to the sewage network; a drug inlet interface and a drug return interface are installed on the drug storage tank, the end of the drug inlet pipe is connected to the drug storage tank through the drug inlet interface, and the end of the drug return pipe is connected to the drug storage tank through the drug return interface.
[0013] As a further improvement of the utility model, the inlet of the medicine inlet pipe adopts a ° elbow upward in the medicine inlet pool, and a quick connector interface is set at the medicine inlet end of the medicine inlet pipe; a check valve and a ball valve are set on the pipeline of the medicine inlet pipe located in the medicine inlet pool.
[0014] As a further improvement of the utility model, the bottom surface of the medicine inlet pool is provided with a slope toward the first connecting pipe, and the bottom surface of the medicine adding pool is provided with a slope toward the second connecting pipe; the ground elevations of the medicine inlet pool and the medicine adding pool are both 10 cm higher than the medicine storage tank pool.
[0015] As a further improvement of the present invention, the height of the medicine inlet pool wall is 50 cm.
[0016] As a further improvement of the present utility model, the height of the storage tank wall is calculated based on the volume of the medicine storage tank.
[0017] As a further improvement of the utility model, the height of the wall of the dosing pool is 20 cm.
[0018] The positive effects of this application are:
[0019] 1. The utility model aims at the problem of dripping when the medicine transporter transports medicine, and sets a medicine inlet pool 1. The medicine inlet pool 1 is provided with a cofferdam and a connecting pipe, so that the medicine transporter can keep the medicine unloading point dry and tidy when unloading medicine, and is convenient for maintenance work.
[0020] 2. Aiming at the leakage risk of the medicine storage tank or the related interface of the medicine storage tank, the utility model sets up a storage tank pool 2, which is provided with a cofferdam and equipped with a submersible sewage pump, a sewage pipe, a medicine return pipe and a corresponding switching valve, so as to ensure that the medicine can be smoothly returned to the intact medicine tank when the medicine leaks. After the flushing of the storage tank pool 2 is completed, the flushing waste liquid is transported to the sewage network through the sewage pipe by switching the valve, so as to ensure the cleanliness of the storage tank pool 2.
[0021] 3. The utility model sets a protective cover to prevent the pipe valve from aging due to sun and rain in the dosing device, and the protective cover can prevent the leakage of the agent after the pipe bursts. In addition, a cofferdam is set in the medicine inlet pool 1 to solve the common dripping problem of the dosing device, and a connecting pipe with drainage is set in the cofferdam. The medicine leaking from the dosing device can be properly handled.
[0022] 4. The entire technical solution of the utility model can effectively alleviate the leakage problem of the dosing device through the independent and connected structural setting of each area and the configuration of valves and related pipelines. At the same time, it also takes into account the rainwater discharge problem of the traditional cofferdam type dosing device when used outdoors. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a top view of the utility model.
[0024] Figure 2 It is a front view of the utility model.
[0025] Figure 1-Figure 2 It includes a medicine inlet pool 1, a storage tank pool 2, a dosing pool 3, a sump 8, a submersible sewage pump 9, a medicine inlet pipe 11, etc. DETAILED DESCRIPTION
[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0027] In order to enable those skilled in the art to better understand the solution of the utility model, 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 of the utility model. 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 should fall within the scope of protection of the utility model.
[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described herein. In addition, similar terms such as "including" and "having" mean that in addition to those contents already listed in "including" and "having", other contents that have not been listed can also be "included" and "having"; for example, a process, method, system, product or device that can include a series of steps or units is not necessarily limited to those steps or units that have been clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0029] Due to the angle of the drawing, some components may not be drawn, but their positions and connection relationships can be partially understood based on the text expression.
[0030] like Figure 1-Figure 2 As shown, the utility model is a drug storage arrangement of a sewage treatment plant, including a storage tank pool 2 and a drug inlet pipe 11. A drug inlet pool 1 and a drug adding pool 3 are respectively arranged on both sides of the storage tank pool 2. The floor elevations of the drug inlet pool 1 and the drug adding pool 3 are higher than the storage tank pool 2. Several drug storage tanks 6 are arranged in the storage tank pool 2. One end of the drug inlet pipe 11 is located above the drug inlet pool 1 and is in an open state, and is used to connect with a drug delivery vehicle. The other end of the drug inlet pipe 11 is connected to the drug storage tank 6. A drug adding device 7 is arranged in the drug adding pool 3. The drug adding device 7 is connected to the drug storage tank 6 through a drug outlet pipe 22. A first connecting pipe 4-1 is arranged between the drug inlet pool 1 and the storage tank pool 2, and a second connecting pipe 4-2 is arranged between the storage tank pool 2 and the drug adding pool 3. A sump 8 is arranged at a lower part of the storage tank pool 2. The sump 8 is connected to the sewage pipe network and the drug storage tank 6 through a submersible sewage pump 9.
[0031] The port of the first connecting pipe 4-1 located at the medicine inlet pool 1 is in an open state; the port of the first connecting pipe 4-1 located at the storage tank pool 2 is installed with a pipe cap for controlling the opening and closing of the first connecting pipe 4-1.
[0032] The port of the second connecting pipe 4-2 located at the dosing tank 3 is in an open state; the port of the second connecting pipe 4-2 located at the storage tank 2 is installed with a pipe cap for controlling the opening and closing of the second connecting pipe 4-2.
[0033] The dosing device 7 includes a dosing pump, the input end of the dosing pump is connected to the drug outlet pipe 22, and the output end of the dosing pump is connected to the sewage treatment tank through a pipeline. A protective cover 72 is installed outside the dosing pump, and the dosing pump is controlled by a dosing device control cabinet 71.
[0034] The input end of the submersible sewage pump 9 is connected to the sump 8, and the output end of the submersible sewage pump 9 is installed with an outlet pipe 91. The outlet pipe 91 is connected to the sewage pipe 92 and the medicine return pipe 93 through a tee, and the other end of the sewage pipe 92 is connected to the sewage pipe network. The medicine inlet interface 61 and the medicine return interface 62 are installed on the medicine storage tank 6. The end of the medicine inlet pipe 11 is connected to the medicine storage tank 6 through the medicine inlet interface 61, and the end of the medicine return pipe 93 is connected to the medicine storage tank 6 through the medicine return interface 62. The inlet of the medicine inlet pipe 11 is upwardly directed at a 45° elbow in the medicine inlet pool 1. The medicine inlet pipe 11 is provided with a 45° elbow and a ball valve obliquely upward to ensure that the liquid in the medicine inlet pipe 11 will not leak into the medicine inlet pool 1. A quick connector interface is provided at the medicine inlet end of the medicine inlet pipe 11. A check valve and a ball valve are provided on the pipeline of the medicine inlet pipe 11 located in the medicine inlet pool 1.
[0035] The bottom surface of the medicine inlet pool 1 is provided with a slope toward the first connecting pipe 4-1, and the bottom surface of the medicine adding pool 3 is provided with a slope toward the second connecting pipe 4-2. The ground elevations of the medicine inlet pool 1 and the medicine adding pool 3 are both 210cm higher than the medicine storage tank pool. The slope in the storage tank pool 2 is directed toward the sump 8.
[0036] The wall height of the medicine feeding pool 1 is 50 cm. The wall height of the tank pool 2 is calculated based on the volume of the medicine storage tank 6. The wall height of the medicine adding pool 3 is 20 cm.
[0037] The working process of the utility model is as follows:
[0038] The medicine delivery vehicle delivers the medicine to the medicine storage tank 6 through the medicine inlet pipe 11 .
[0039] After the medicine delivery is completed, the worker unscrews the cap of the spiral connection on the first connecting pipe 4-1, and uses the water plug set next to the medicine inlet pool 1 to flush the medicine inlet pool 1. The flushing water and the medicine mixture flow to the storage tank pool 2 through the first connecting pipe 4-1. At this point, the medicine inlet pool 1 has been cleaned and the cap is tightened again to prevent the medicine in the storage tank pool 2 from flowing back into the medicine inlet pool 1 through the first connecting pipe 4-1.
[0040] When the pipe in the dosing tank 3 leaks or the dosing pump is replaced, the dosing pump has a small flow rate, so the leakage rate will be relatively small even if an accident occurs. Therefore, a low cofferdam is set in the dosing tank 1. When leakage occurs, the threaded cap on the second connecting pipe 4-2 is also opened to drain the medicine to the storage tank 2.
[0041] When the tank pool 2 leaks, the medicine must all be stored inside the cofferdam according to the requirements of the regulatory authorities. When one of the medicine tank interfaces or the tank body itself leaks, the medicine continuously flows into the sump 8.
[0042] A submersible sewage pump is provided in the sump 8. At this time, the valve on the sewage pipe 92 is closed and the valve on the medicine return pipe 93 is opened. The submersible sewage pump is turned on. After the submersible sewage pump is turned on, the leaked medicine is transported to another non-leaking medicine tank through the medicine return pipe. The leaking medicine storage tank or the storage tank interface is repaired or replaced, and the normal operation of the dosing system can be maintained.
[0043] After the leaked medicine is basically cleaned up, the storage tank pool 2 is cleaned by flushing the reclaimed water pipe. After the cleaning is completed, the valve on the medicine return pipe 93 is closed, and the valve on the sewage pipe 92 is opened. At this time, the cleaned wastewater can be pumped into the sewage pipe through the submersible sewage pump.
[0044] In addition, since the dosing device is arranged outdoors, rainwater will also accumulate in the storage tank pool 2, the medicine feeding pool 1 and the medicine feeding pool 1 on rainy days. After the rain stops, the accumulated rainwater can be pumped into the sewage pipe by opening the connecting pipe and the submersible sewage pump to maintain the surface of the medicine feeding pool 1 dry.
[0045] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.
Claims
1. A sewage treatment plant drug storage arrangement, characterized in that: The invention comprises a storage tank (2) and a drug inlet pipe (11). A drug inlet pool (1) and a drug dosing pool (3) are respectively arranged on both sides of the storage tank (2). The floor elevations of the drug inlet pool (1) and the drug dosing pool (3) are higher than those of the storage tank (2). A drug storage tank (6) is arranged in the storage tank (2). One end of the drug inlet pipe (11) is located above the drug inlet pool (1). The other end of the drug inlet pipe (11) is connected to the drug storage tank (6). A drug dosing device (7) is arranged in the drug dosing pool (3). The drug dosing device (7) is connected to the drug storage tank (6) through a drug outlet pipe (22). A first connecting pipe (4-1) is arranged between the drug inlet pool (1) and the storage tank (2). A second connecting pipe (4-2) is arranged between the storage tank (2) and the drug dosing pool (3). A sump (8) is arranged at a lower part of the storage tank (2). The sump (8) is connected to a sewage pipe network and the drug storage tank (6) through a submersible sewage pump (9).
2. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The port of the first connecting pipe (4-1) located at the medicine inlet pool (1) is in an open state; and the port of the first connecting pipe (4-1) located at the storage tank pool (2) is equipped with a pipe cap.
3. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The port of the second connecting pipe (4-2) located in the dosing tank (3) is in an open state; and the port of the second connecting pipe (4-2) located in the storage tank (2) is equipped with a pipe cap.
4. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The dosing device (7) comprises a dosing pump, the input end of the dosing pump is connected to the dosing pipe (22), and the output end of the dosing pump is connected to the sewage treatment tank through a pipeline; a protective cover (72) is installed outside the dosing pump, and the dosing pump is controlled by the dosing device control cabinet (71).
5. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The input end of the submersible sewage pump (9) is connected to the sump (8), and the output end of the submersible sewage pump (9) is installed with a water outlet pipe (91), the water outlet pipe (91) is connected to a sewage pipe (92) and a medicine return pipe (93) through a tee, and the other end of the sewage pipe (92) is connected to a sewage pipe network; a medicine feed interface (61) and a medicine return interface (62) are installed on the medicine storage tank (6), the end of the medicine feed pipe (11) is connected to the medicine storage tank (6) through the medicine feed interface (61), and the end of the medicine return pipe (93) is connected to the medicine storage tank (6) through the medicine return interface (62).
6. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The inlet of the drug inlet pipe (11) is upwardly directed with a 45° elbow in the drug inlet pool (1), and a quick connector interface is provided at the drug inlet end of the drug inlet pipe (11); a check valve and a ball valve are provided on the pipeline of the drug inlet pipe (11) located in the drug inlet pool (1).
7. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The bottom surface of the medicine feed pool (1) is provided with a slope towards the first connecting pipe (4-1), and the bottom surface of the medicine dosing pool (3) is provided with a slope towards the second connecting pipe (4-2); the ground elevations of the medicine feed pool (1) and the medicine dosing pool (3) are both 10 cm higher than the medicine storage tank pool (2).
8. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The wall height of the medicine inlet pool (1) is 50 cm.
9. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The height of the wall of the storage tank pool (2) is calculated based on the volume of the reagent storage tank (6).
10. The drug storage arrangement for a sewage treatment plant as claimed in claim 1, characterized in that: The wall height of the dosing tank (3) is 20 cm.