Flow adjusting device for adding water treatment agent
By designing a flow rate adjustment device for water treatment agent administration, the problem of reduced accuracy after use of the diaphragm pump is solved, and the high accuracy and stability of agent administration is achieved, with a wide range of application and can cope with water plant load changes.
Patent Information
- Application Number
- CN202421967571.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-13
AI Technical Summary
In the existing water treatment process, the diaphragm pump is prone to deform or breakage after use for a period of time, resulting in poor drug administration accuracy, inaccurate measurement of flow, inaccurate adjustment, and limited range, making it difficult to cope with the load impact of the water plant.
A flow rate regulation device for water treatment agent administration is designed, including at least two adjustment units, each unit includes a pressure gauge, a regulating valve and a flowmeter, and the backup dose of the agent and the backflushing of the pipe are realized through structures such as bypass pipe and backflushing pipe to ensure stable and precise adjustment of the flow rate.
It achieves high accuracy and stability of drug administration, can maintain the continuity of drug administration during the maintenance of the regulating valve, solve the problem of drug blockage in a timely manner, has a wide range of applications, and can cope with water plant load changes.
Smart Images
Figure CN223020002U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of water treatment chemical dosing, and particularly relates to a flow regulating device for water treatment chemical dosing. Background Art
[0002] In various water treatment processes, such as biochemical treatment process, coagulation sedimentation process, etc., they all involve chemical dosing, dissolution, and the reaction between chemicals and pollutants in sewage. The cost of chemicals accounts for a large proportion of the entire wastewater treatment cost. How to effectively and accurately dose chemicals into water treatment to reduce the water treatment cost has always been a hot spot and a difficult point in the water treatment industry.
[0003] Currently, during the water treatment chemical dosing process, a diaphragm pump is usually used as the dosing device. After the diaphragm is used for a period of time, it deforms or breaks, resulting in poor dosing accuracy of the diaphragm pump. The pulsed flow characteristics of the diaphragm pump cause the flow rate to be unable to be accurately measured, and no effective feedback can be formed. The chemical flow rate cannot be accurately regulated, and the dosing process cannot be timely and accurately controlled. Coupled with the limited range of the diaphragm pump, it is difficult to ensure the safe and stable operation of the water treatment chemical dosing link and difficult to cope with the load impact of the water plant. Summary of the Utility Model
[0004] In view of the deficiencies of the prior art, the utility model provides a flow regulating device for water treatment chemical dosing. By setting two units for regulation, the two units can be used as backups for each other or can be separately used for a dosing point (determined according to the type of chemical), with a wide range of applications.
[0005] To achieve the above object, the utility model adopts the following technical solutions: A flow regulating device for water treatment chemical dosing, comprising at least two regulating units;
[0006] Each regulating unit includes a pressure gauge, a regulating valve, and a flow meter;
[0007] The inlet of the regulating valve is connected to a liquid inlet pipe, the outlet of the regulating valve is connected to a liquid outlet pipe, the flow meter is arranged on the liquid outlet pipe, the pressure gauge is arranged on the liquid outlet pipe through a pressure detection pipe, and a first valve is arranged on the pressure detection pipe;
[0008] Each regulating unit further includes a bypass pipe. An eighth valve and a ninth valve are arranged on the liquid inlet pipe. One end of the bypass pipe is connected to the liquid inlet pipe between the eighth valve and the ninth valve, and the other end of the bypass pipe is connected to the pressure detection pipe between the first valve and the liquid outlet pipe. A third valve is arranged on the bypass pipe.
[0009] Preferably, the adjusting unit further includes a backwash pipe and a water supply pipe. A seventh valve is provided at the starting end of the liquid inlet pipe. One end of the backwash pipe is communicated with the liquid inlet pipe between the seventh valve and the eighth valve. A second valve and a fourth valve are provided on the liquid outlet pipe. The other end of the backwash pipe is communicated with the liquid outlet pipe between the second valve and the fourth valve. A fifth valve is provided on the backwash pipe. One end of the water supply pipe is communicated with the backwash pipe between the fifth valve and the liquid inlet pipe. A sixth valve is provided on the water supply pipe.
[0010] Preferably, the water supply pipes of the two adjusting units are communicated with each other.
[0011] Preferably, a tenth valve is provided on the liquid outlet pipe, and the tenth valve is located downstream of the flowmeter.
[0012] Preferably, the device further includes a bracket, and the adjusting unit is installed on the bracket.
[0013] Preferably, a support plate is installed on the bracket.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] 1. The flow rate adjustment device for water treatment chemical dosing provided by the present utility model is adjusted by setting two units. The two units can be used as backups for each other or can be used separately for one dosing point (determined according to the type of chemical). It has a wide range of applications. When the regulating valve needs to be repaired, the bypass pipe can be opened to add chemicals, avoiding interruption of chemical dosing.
[0016] 2. When the pipeline is blocked by chemicals in the flow rate adjustment device for water treatment chemical dosing provided by the present utility model, the backwash pipe and the water supply pipe can be opened to perform backwashing operations on the regulating valve and the pipeline.
[0017] 3. The flow rate adjustment device for water treatment chemical dosing provided by the present utility model can achieve wide-range and high-precision adjustment.
[0018] 4. The flow rate adjustment device for water treatment chemical dosing provided by the present utility model can accurately feedback flow rate data and flow measurement data. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is a three-dimensional structural schematic diagram of the flow rate adjustment device for water treatment chemical dosing provided by the embodiment of the present utility model;
[0020] Figure 2 is a three-dimensional structural schematic diagram of the flow rate adjustment device for water treatment chemical dosing provided by the embodiment of the present utility model;
[0021] Figure 3 Schematic three - dimensional structure diagram of the flow - regulating device for water treatment chemical dosing provided by an embodiment of the present utility model;
[0022] Figure 4 Schematic three - dimensional structure diagram of the regulating unit of the flow - regulating device for water treatment chemical dosing provided by an embodiment of the present utility model;
[0023] Figure 5 Schematic pipeline diagram of the normal dosing of the flow - regulating device for water treatment chemical dosing provided by an embodiment of the present utility model;
[0024] Figure 6 Schematic pipeline diagram of the bypass dosing of the flow - regulating device for water treatment chemical dosing provided by an embodiment of the present utility model;
[0025] Figure 7 Schematic pipeline diagram of the back - flushing of the flow - regulating device for water treatment chemical dosing provided by an embodiment of the present utility model.
[0026] In the drawings, the list of components represented by each reference numeral is as follows:
[0027] 1. First valve; 2. Second valve; 3. Third valve; 4. Fourth valve; 5. Fifth valve; 6. Sixth valve; 7. Seventh valve; 8. Eighth valve; 9. Ninth valve; 10. Tenth valve; 11. Pressure gauge; 12. Control valve; 13. Flowmeter; 14. Inlet pipe; 15. Outlet pipe; 16. Pressure detection pipe; 17. Back - flushing pipe; 18. Bypass pipe; 19. Water supply pipe; 20. Bracket. Detailed implementation manners
[0028] The following further details the present utility model in conjunction with specific embodiments, so that those skilled in the art can understand the present utility model more clearly.
[0029] It should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" in the terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrally formed structure. For those of ordinary skill in the art, the specific meanings of such terms in this patent can be understood according to specific circumstances.
[0030] Embodiment 1
[0031] As Figure 1-2 shown, this embodiment provides a flow - regulating device for water treatment chemical dosing, which includes two regulating units.
[0032] The regulating unit includes a pressure gauge 11, a control valve 12, and a flowmeter 13.
[0033] AsFigure 4 and 5 As shown in 5 , the inlet of the regulating valve 12 is connected to a liquid inlet pipe 14, and the outlet of the regulating valve 12 is connected to a liquid outlet pipe 15. The flowmeter 13 is arranged on the liquid outlet pipe 15, and the pressure gauge 11 is arranged on the liquid outlet pipe 15 through a pressure detection pipe 16. That is, one end of the pressure detection pipe 16 is connected to the detection end of the pressure gauge 11, and the other end of the pressure detection pipe 16 is connected to the liquid outlet pipe 15. A first valve 1 is provided on the pressure detection pipe 16. Through the first valve 1, the pressure detection of the pressure gauge 11 can be turned on or off. The flowmeter 13 is located downstream of the connection point of the pressure detection pipe 16 and the liquid outlet pipe 15.
[0034] The transportation of the medicament can be realized through the liquid inlet pipe 14 and the liquid outlet pipe 15, and the regulating valve 12 can adjust the flow rate in the liquid inlet pipe 14 and the liquid outlet pipe 15. Among them, the flowmeter 13 is used to detect the flow rate in the liquid outlet pipe 15, and the pressure gauge 11 is used to detect the pressure of the fluid in the liquid outlet pipe 15.
[0035] As Figure 4 and 6 shown in 6 , the regulating unit further includes a bypass pipe 18. An eighth valve 8 and a ninth valve 9 are provided on the liquid inlet pipe 14. One end of the bypass pipe 18 is connected to the liquid inlet pipe 14 between the eighth valve 8 and the ninth valve 9, and the other end of the bypass pipe 18 is connected to the pressure detection pipe 16 between the first valve 1 and the liquid outlet pipe 15. A third valve 3 is provided on the bypass pipe 18. It can be understood that the bypass pipe 18 and the regulating valve 12 are connected in a similar parallel manner. Through the bypass pipe 18, the regulating valve 12 can be bypassed and directly enter the liquid outlet pipe 15.
[0036] Based on the above structure, for the flow regulating device provided in this embodiment, two such regulating units are provided for regulation. The two regulating units can be used as backups for each other or can be used separately for a dosing point (determined according to the type of medicament), and the applicable range is wide. When the regulating valve 12 needs to be repaired, the bypass pipe 18 can be opened to add the medicament, avoiding the influence of the repair on the addition of the medicament.
[0037] In this embodiment, as Figure 4 and 7As shown, the adjustment unit further includes a backwash pipe 17 and a water supply pipe 19. A seventh valve 7 is provided at the starting end of the liquid inlet pipe 14. One end of the backwash pipe 17 is communicated with the liquid inlet pipe 14 between the seventh valve 7 and the eighth valve 8. A second valve 2 and a fourth valve 4 are provided on the liquid outlet pipe 15. The other end of the backwash pipe 17 is communicated with the liquid outlet pipe 15 between the second valve 2 and the fourth valve 4. And both the second valve 2 and the fourth valve 4 are located upstream of the connection point of the pressure detection pipe 16 and the liquid outlet pipe 15. A fifth valve 5 is provided on the backwash pipe 17. One end of the water supply pipe 19 is communicated with the backwash pipe 17 between the fifth valve 5 and the liquid inlet pipe 14. A sixth valve 6 is provided on the water supply pipe 19. The water supply pipe 19 is used to provide flushing water.
[0038] When the pipeline is blocked by chemicals, by opening the backwash pipe 17, the regulating valve 12 and part of the liquid inlet pipe 14 and part of the liquid outlet pipe 15 can be backwashed to avoid the influence of chemical blockage on normal dosing.
[0039] In this embodiment, all valves can be ball valves.
[0040] In this embodiment, as Figure 3 shown, the water supply pipes 19 of the two adjustment units are communicated. In this way, a single water source can be used to provide flushing water to the two adjustment units simultaneously.
[0041] In this embodiment, a tenth valve 10 is provided on the liquid outlet pipe 15. The tenth valve 10 is located downstream of the flow meter 13. The setting of the tenth valve 10 facilitates closing or opening the liquid outlet pipe 15.
[0042] The flow rate adjustment device provided in this embodiment further includes a bracket 20. The adjustment unit is installed on the bracket 20. A support plate is installed on the bracket 20. The support plate can also play a supporting role, and part of the pipeline can be fixedly installed on the support plate.
[0043] In summary, for the flow rate adjustment device provided in this embodiment, when normal dosing is carried out, as Figure 4 , 5 shown, the first valve 1, the second valve 2, the fourth valve 4, the seventh valve 7, the eighth valve 8, the ninth valve 9, and the tenth valve 10 are opened, and other valves are closed. After the chemical agent passes through the regulating valve 12 from the liquid inlet pipe 14, it enters the liquid outlet pipe 15 for subsequent dosing. In this way, the regulating valve 12 can control the flow rate of the chemical agent in real time.
[0044] When the regulating valve 12 needs to be repaired, as Figure 4 , 6As shown, open the first valve 1, the third valve 3, the seventh valve 7, the eighth valve 8, and the tenth valve 10, and close other valves. The reagent enters the bypass pipe 18 from the liquid inlet pipe 14, then enters the pressure detection pipe 16, and finally enters the liquid outlet pipe 15 for subsequent dosing. At this time, the regulating valve 12 can be repaired, and the reagent can continue to be dosed.
[0045] When there is a reagent blockage in the pipeline and backwashing is required, as Figure 4 , 7 shown, open the third valve 3, the fourth valve 4, the fifth valve 5, the sixth valve 6, the ninth valve 9, and the tenth valve 10, and close other valves. The flushing water enters the backwashing pipe 17 from the water supply pipe 19, then enters the regulating valve 12, and finally enters the liquid outlet pipe 15 through the bypass pipe 18 and is discharged. The flushing water can backwash the regulating valve 12 and part of the pipeline to prevent the reagent from blocking in the pipeline. It should be noted that according to the degree of pipeline blockage on site, the flushing time should be reasonably controlled. Under normal circumstances, it is recommended to backwash once every 10 days.
[0046] The mechanisms, components, and parts not described in detail in the present utility model are existing structures that already exist in the prior art and can be directly purchased on the market.
[0047] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, specific orientation structure, and operation. Therefore, it should not be construed as a limitation to the present utility model. In addition, "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.
[0048] The above is only a preferred embodiment of the present utility model and is not used to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A flow regulating device for adding water treatment chemicals, characterized in that: comprising at least two regulating units; The regulating unit comprises a pressure gauge (11), a regulating valve (12), and a flow meter (13); The inlet of the regulating valve (12) is connected to a liquid inlet pipe (14), the outlet of the regulating valve (12) is connected to a liquid outlet pipe (15), the flow meter (13) is arranged on the liquid outlet pipe (15), the pressure gauge (11) is arranged on the liquid outlet pipe (15) through a pressure detection pipe (16), and the pressure detection pipe (16) is provided with a first valve (1); The regulating unit further comprises a bypass pipe (18), an eighth valve (8) and a ninth valve (9) are provided on the liquid inlet pipe (14), one end of the bypass pipe (18) is connected to the liquid inlet pipe (14) between the eighth valve (8) and the ninth valve (9), and the other end of the bypass pipe (18) is connected to the pressure detection pipe (16) between the first valve (1) and the liquid outlet pipe (15), and a third valve (3) is provided on the bypass pipe (18).
2. The flow regulating device for adding water treatment chemicals according to claim 1, characterized in that: The regulating unit further comprises a backwashing pipe (17) and a water supply pipe (19); a seventh valve (7) is provided at the starting end of the liquid inlet pipe (14); one end of the backwashing pipe (17) is communicated with the liquid inlet pipe (14) between the seventh valve (7) and the eighth valve (8); a second valve (2) and a fourth valve (4) are provided on the liquid outlet pipe (15); the other end of the backwashing pipe (17) is communicated with the liquid outlet pipe (15) between the second valve (2) and the fourth valve (4); a fifth valve (5) is provided on the backwashing pipe (17); one end of the water supply pipe (19) is communicated with the backwashing pipe (17) between the fifth valve (5) and the liquid inlet pipe (14); and a sixth valve (6) is provided on the water supply pipe (19).
3. The flow regulating device for adding water treatment chemicals according to claim 2, characterized in that: The water supply pipes (19) of the two regulating units are connected.
4. The flow regulating device for adding water treatment chemicals according to claim 1, characterized in that: The liquid outlet pipe (15) is provided with a tenth valve (10), and the tenth valve (10) is located downstream of the flow meter (13).
5. The flow regulating device for adding water treatment chemicals according to claim 1, characterized in that: The device further comprises a support (20), and the adjustment unit is mounted on the support (20).
6. The flow regulating device for adding water treatment chemicals according to claim 5, characterized in that: A support plate is installed on the bracket (20).