CN219091934U - Polymeric ferric sulfate dosing device for water treatment - Google Patents
Polymeric ferric sulfate dosing device for water treatment Download PDFInfo
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- CN219091934U CN219091934U CN202223416482.8U CN202223416482U CN219091934U CN 219091934 U CN219091934 U CN 219091934U CN 202223416482 U CN202223416482 U CN 202223416482U CN 219091934 U CN219091934 U CN 219091934U
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Abstract
The application discloses polymeric ferric sulfate dosing device for water treatment to solve the problem that traditional polymeric ferric sulfate dosing device operation degree of difficulty is big, add the drug efficiency low and the coagulation effect is poor that prior art exists. The application comprises the following steps: the device comprises a suction pump, a dosing tank and a control module, wherein the dosing tank is provided with a first liquid level meter and a specific gravity meter; the device has the advantages of simple structure and process flow, convenient operation, high drug adding efficiency, good coagulation effect, strong working continuity, high reliability and low cost, and can timely feed back the running state and prevent the equipment from being polluted; the concentration and the liquid level of the solution in the dosing box are measured through the proportion meter and the first liquid level meter, signals are transmitted to the signal acquisition end of the circuit board, and the controller controls the opening time of the electric water supplementing valve or the suction pump, so that the water supplementing amount or the drug adding amount is controlled, and the solution reaches a set concentration value.
Description
Technical Field
The application relates to the technical field of water treatment, in particular to a polymeric ferric sulfate dosing device for water treatment.
Background
The water treatment is widely applied to various fields such as environmental protection, construction, agriculture, energy and petrochemical industry. The water treatment agent is the chemical agent necessary for industrial water, domestic water and waste water treatment process, and the water quality can reach the qualification requirement by using the chemical agent. The flocculant is used as a means for strengthening solid-liquid separation in the field of sewage treatment, can be used for strengthening primary sedimentation of sewage, flotation treatment and secondary sedimentation after an activated sludge process, and can also be used for tertiary treatment or deep treatment of sewage. The polymeric ferric sulfate is a novel inorganic polymeric flocculant and has the characteristics of high hydrolysis speed, high flocculent density, wide pH application range, small corrosion to equipment, low production cost and the like. The polymeric ferric sulfate has strong capability of neutralizing suspended particle charges, large specific surface area and strong adsorption capability, can well remove suspended matters, microorganisms, organic matters, sulfides, heavy metal ions and other impurities in water, and has strong functions of decoloring, deodorizing, demulsification, sludge dewatering and the like.
In some thermoelectric cities, water is the main production water source and has been operated for many years, and due to severe water source and water quality fluctuation, the difficulty in production technology management and personnel burden of the station can be greatly increased, and a series of technical problems and operation maintenance challenges are brought. The traditional polymeric ferric sulfate dosing device has the following defects in the water treatment process: the automatic adjustment of the operation parameters according to the fluctuation of the water quality is impossible, the dosing amount is required to be manually adjusted or the dosing is fixed according to a theoretical value, if the dosing amount is insufficient, the medicament is not easy to settle, the turbidity of the discharged water is high, if the dosing amount is excessive, the operation cost can be increased, the operation state can not be fed back in time due to manual adjustment, the serious pollution of equipment is caused, the dosing efficiency is low, the coagulation effect is poor, the operation difficulty is increased, the water treatment period is greatly increased, a large amount of medicament is wasted, time and labor are wasted, and a certain major hidden danger exists.
Disclosure of Invention
Therefore, the application provides a polymeric ferric sulfate dosing device for water treatment, which aims to solve the problems of high operation difficulty, low dosing efficiency and poor coagulation effect of the traditional polymeric ferric sulfate dosing device in the prior art.
In order to achieve the above object, the present application provides the following technical solutions:
the polymeric ferric sulfate dosing device for water treatment is characterized by comprising:
a suction pump for sucking the polymeric ferric sulfate agent in the reservoir;
the dispensing box is respectively connected with the electric stirrer and the suction pump; the water supplementing port is connected with a water supplementing pipeline, an electric water supplementing valve is arranged on the water supplementing pipeline, and the first liquid level meter and the specific gravity meter are respectively used for measuring the liquid level and the concentration of the solution after stirring and configuration;
the delivery pump is connected with the dispensing box, and an electromagnetic valve is arranged between the delivery pump and the dispensing box;
the control module comprises a circuit board, a flow current instrument, a flowmeter and an executing mechanism, wherein the flowmeter is arranged at the front side of the raw water pipeline and is used for detecting the flow of raw water, and the flow current instrument is used for detecting the colloid charge of the raw water at the front side of the raw water pipeline in real time; the circuit board comprises a controller and a signal receiver, the signal receiver is used for collecting signals of the flow current instrument and the flowmeter, and the controller is connected with the executing mechanism, the suction pump, the electric water supplementing valve, the electric stirrer and the electromagnetic valve;
the liquid storage tank is provided with a second liquid level meter, one end of the liquid storage tank is connected with the conveying pump, the other end of the liquid storage tank passes through the actuating mechanism and then is conveyed to a dosing point, and the dosing point is connected with the rear side of the raw water pipeline.
Optionally, the flow current meter is an SCD-6000 type swimming current detector, and is provided with a probe, wherein the probe is communicated with the raw water pipeline, and the detected colloidal charge of raw water at the front side of the raw water pipeline is transmitted to the controller.
Optionally, the system further comprises an inlet turbidity meter and an outlet turbidity meter, wherein the inlet turbidity meter is arranged at the front side of the raw water pipeline; the tail end of the raw water pipeline is connected with a sample water treatment tank, and an outlet turbidity meter is arranged on an outlet pipeline of the sample water treatment tank.
Optionally, the device further comprises a first pipeline, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, wherein the first pipeline is arranged between the storage tank and the suction pump, the second pipeline is arranged between the suction pump and the dispensing box, the third pipeline is arranged between the dispensing box and the conveying pump, the fourth pipeline is arranged between the conveying pump and the liquid storage box, and the fifth pipeline is arranged between the liquid storage box and the dosing point.
Optionally, the suction pump is provided with a first suction inlet and a first discharge outlet, the first suction inlet is connected with the output end of the first pipeline, and the first discharge outlet is connected with the input end of the second pipeline;
the medicine distribution box is provided with a first medicine adding port and a liquid outlet, and the first medicine adding port is connected with the output end of the second pipeline;
the delivery pump is provided with a second suction inlet and a second discharge outlet, the second suction inlet is connected with the output end of the third pipeline, the input end of the third pipeline is connected with the liquid outlet, the second discharge outlet is connected with the input end of the fourth pipeline, and the output end of the fourth pipeline is connected with the second dosing port of the liquid storage tank.
Optionally, the electromagnetic valve is arranged on one side, close to the delivery pump, of the third pipeline.
Optionally, the electric mixer comprises a motor, a connecting rod and an impeller, wherein the motor is connected with the controller, one end of the connecting rod is connected with the motor, the other end of the connecting rod is connected with the impeller, and the controller controls the motor to rotate so as to drive the impeller to rotate along with the connecting rod, so that stirring of the solution is realized.
Optionally, the first level gauge is a magnetic flap level gauge; the actuating mechanism is a diaphragm metering pump.
Compared with the prior art, the application has the following beneficial effects:
1. the application provides a polymeric ferric sulfate dosing device for water treatment, which is characterized in that a first liquid level meter and a specific gravity meter are arranged on a dosing tank, and a second liquid level meter is arranged on a liquid storage tank; the control module comprises a circuit board, a flow current meter, a flowmeter and an actuating mechanism, wherein the flowmeter is arranged at the front side of the raw water pipeline and used for detecting the flow of raw water; detecting colloid charge of raw water at the front side of the raw water pipeline in real time by a flow current instrument; the signal receiver of the circuit board collects signals of the flow current instrument and the flowmeter, and the controller controls the work of the executing mechanism, the suction pump, the electric water supplementing valve, the electric stirrer and the electromagnetic valve; the water treatment device has the advantages of simple structure and process flow, convenient operation, high drug addition efficiency, good coagulation effect, strong working continuity, high reliability and low cost, and shortens the water treatment period; the concentration and the liquid level of the solution in the dosing tank are measured through a specific gravity meter and a first liquid level meter, signals are transmitted to a signal acquisition end of a circuit board, and a controller controls the opening time of an electric water supplementing valve or a suction pump so as to control the water supplementing amount or the drug adding amount, so that the solution reaches a set concentration value; the liquid level of the solution in the liquid storage tank is measured through a second liquid level meter, and the controller controls the starting time of the conveying pump; the colloid charge in the water and the flow of the water are measured by the flow current meter, and the rotational speed of the diaphragm metering pump is controlled by the controller to control the dosage, so that the dosage is minimum, the water quality after the dosage treatment is optimal and the turbidity is minimum.
2. The application also comprises an inlet turbidity meter and an outlet turbidity meter, wherein the signal receiver of the circuit board is used for collecting turbidity signals of the inlet turbidity meter and the outlet turbidity meter; the inlet turbidity meter collects raw water turbidity signals on the front side of a raw water pipeline, and the outlet turbidity meter collects turbidity signals of water treated by adding chemicals on the water outlet pipeline of the sample water treatment tank; the adding amount of the medicine and the adding amount of the medicine are controlled by comparing the turbidity of the raw water and the turbidity of the treated water, and the medicine adding amount can be least consumed under the condition of minimum turbidity, so that the water quality is better, and the material can be saved.
Drawings
For a more visual illustration of the prior art and the present application, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings should not be considered in general as limiting upon the practice of the present application; for example, based on the technical concepts and exemplary drawings disclosed herein, those skilled in the art have the ability to easily make conventional adjustments or further optimizations for the add/subtract/assign division, specific shapes, positional relationships, connection modes, dimensional scaling relationships, etc. of certain units (components).
FIG. 1 is a schematic diagram of a structure provided in one embodiment of the present application;
FIG. 2 is a partial schematic view I of FIG. 1;
FIG. 3 is a second partial schematic view of FIG. 1;
FIG. 4 is a partial schematic view III of FIG. 1;
FIG. 5 is a schematic illustration of the point of administration of FIG. 4;
fig. 6 is a schematic view of the electric mixer of fig. 3.
Reference numerals illustrate:
1. a storage pool; 2. a suction pump; 3. a dosing box; 31. a first level gauge; 32. a specific gravity meter; 4. a transfer pump; 5. a liquid storage tank; 51. a second level gauge; 6. an electric mixer; 61. a motor; 62. a connecting rod; 63. an impeller; 7. a first pipeline; 8. a second pipeline; 9. a third pipeline; 10. a fourth pipeline; 11. a fifth pipeline; 12. a water supplementing pipeline; 13. a filter; 14. an electromagnetic valve; 15. electric water supplementing valve; 16. a diaphragm metering pump; 17. butterfly valve; 18. a check valve; 19. a wastewater tank; 20. a flow current meter; 201. a probe; 21. a flow meter; 22. a medicine adding point; 23. a raw water pipeline; 24. a sample water treatment pool; 25. an inlet turbidimeter; 26. an outlet turbidimeter; 27. and a water outlet pipeline.
Detailed Description
The present application is further described in detail below with reference to the attached drawings.
In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on degree or order of importance, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).
The terms such as "upper", "lower", "left", "right", "middle", and the like, as referred to in this application, are generally used for convenience in visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in actual products. Such changes in relative positional relationship are considered to be within the scope of the present description without departing from the technical concepts disclosed herein.
In one embodiment of the present application, a polymeric ferric sulfate dosing device for water treatment, as shown in fig. 1-4, comprises: a suction pump 2, a dispensing box 3, a delivery pump 4, a liquid storage box 5 and a control module;
a suction pump 2 for sucking the polymeric ferric sulfate agent in the reservoir 1;
the medicine preparation box 3, the medicine preparation box 3 is respectively connected with the electric stirrer 6 and the suction pump 2, and the electric stirrer 6 stirs the polymeric ferric sulfate medicine pumped into the medicine preparation box 3; the medicine distribution box 3 is provided with a water supplementing port, a first liquid level meter 31 and a proportion meter 32, the water supplementing port is connected with the water supplementing pipeline 12, the water supplementing pipeline 12 is provided with an electric water supplementing valve 15, and the first liquid level meter 31 and the proportion meter 32 are respectively used for measuring the liquid level and the concentration of the solution after stirring and configuration; the first level gauge 31 may be a magnetic flap level gauge;
the delivery pump 4 is connected with the medicine dispensing box 3, and a filter 13 and an electromagnetic valve 14 are arranged between the delivery pump 4 and the medicine dispensing box 3;
the control module comprises a circuit board, a flow current meter 20, a flowmeter 21 and an executing mechanism, wherein the executing mechanism is a diaphragm metering pump 16; a flow meter 21 is provided at the front side of the raw water pipe line 23, the flow meter 21 for detecting the flow rate of raw water (untreated water); the flow current meter 20 is an online analysis device of colloid charge, provides functions of detection, recording, control and the like for the coagulation process, and is used for detecting the colloid charge of raw water at the front side of the raw water pipeline 23 in real time; the circuit board comprises a controller and a signal receiver, the signal receiver is used for collecting current signals of the flow current instrument 20 and flow signals of the flowmeter 21, and the controller is connected with the suction pump 2, the electric water supplementing valve 15, the electric stirrer 6 and the diaphragm metering pump 16 and used for controlling the suction pump 2, the electric water supplementing valve 15, the electric stirrer 6 and the diaphragm metering pump 16 to work;
the liquid storage tank 5 is provided with a second liquid level meter 51, one end of the liquid storage tank is connected with the delivery pump 4 and used for storing the solution delivered by the delivery pump 4, the other end of the liquid storage tank is delivered to the dosing point 22 after passing through the diaphragm metering pump 16, and the dosing point 22 is connected with the rear side of the raw water pipeline 23.
Preferably, as shown in fig. 1-4, the device further comprises a first pipeline 7, a second pipeline 8, a third pipeline 9, a fourth pipeline 10 and a fifth pipeline 11, wherein the first pipeline 7 is arranged between the storage pool 1 and the suction pump 2, the second pipeline 8 is arranged between the suction pump 2 and the dispensing box 3, the third pipeline 9 is arranged between the dispensing box 3 and the delivery pump 4, the fourth pipeline 10 is arranged between the delivery pump 4 and the liquid storage box 5, and the fifth pipeline 11 is arranged between the liquid storage box 5 and the dosing point 22.
Further preferably, the suction pump 2 is provided with a first suction inlet and a first discharge outlet, the first suction inlet being connected to the output of the first conduit 7 and the first discharge outlet being connected to the input of the second conduit 8;
the medicine distribution box 3 is provided with a first medicine adding port and a liquid discharging port, and the first medicine adding port is connected with the output end of the second pipeline 8;
the delivery pump 4 is provided with a second suction inlet and a second discharge outlet, the second suction inlet is connected with the output end of the third pipeline 9, the input end of the third pipeline 9 is connected with the liquid outlet, the second discharge outlet is connected with the input end of the fourth pipeline 10, and the output end of the fourth pipeline 10 is connected with the second medicine adding port of the liquid storage tank 5.
Still further preferably, a filter 13 is provided on the third pipeline 9 at a side close to the dosing tank 3, and a solenoid valve 14 is provided at a side close to the delivery pump 4; the filter 13 is a Y-shaped filter.
Preferably, as shown in fig. 1, 4 and 5, the flow current meter 20 is an SCD-6000 type swimming current detector, and has a probe 201, the probe 201 is communicated with the raw water pipeline 23, and transmits a current signal collected by the probe 201 to the controller, and transmits a detected colloid charge of raw water at the front side of the raw water pipeline 23 to the controller; the controller controls the rotational speed of the diaphragm metering pump 16 and thus the dosing amount.
Further preferably, the flow ammeter 20 is also provided with a sampling water pretreatment mechanism for removing sediment, bulk suspended matters and bubbles in the water sample and stabilizing the water sample flow.
Preferably, the circuit board also comprises an accessory mechanism, wherein the accessory mechanism is connected with the circuit board; the affiliated mechanism comprises a communication module which is used for carrying out data exchange and communication with the DCS system, displaying the monitoring picture of the system, establishing a real-time human-computer interface, and enabling operators to carry out remote monitoring on the dosing process (dispensing process), so that the normal operation of the dosing process is ensured, and potential safety hazards are avoided.
Preferably, as shown in fig. 4 and 5, the device further comprises an inlet turbidity meter 25 and an outlet turbidity meter 26, and a signal receiver of the circuit board collects turbidity signals of the inlet turbidity meter 25 and the outlet turbidity meter 26; the inlet turbidity meter 25 is arranged at the front side of the raw water pipeline 23 and collects raw water turbidity signals at the front side of the raw water pipeline 23; the tail end of the raw water pipeline 23 is connected with a sample water treatment tank 24, an outlet turbidity meter 26 is arranged on a water outlet pipeline 27 of the sample water treatment tank 24, and the outlet turbidity meter 26 collects turbidity signals after water treatment of the water outlet pipeline 27; the rotating speed of the diaphragm metering pump is controlled to control the dosage and the dosage of the medicament by comparing the turbidity of raw water and water after treatment, so that the medicament consumption is minimum, the water quality after water treatment is optimal and the turbidity is minimum.
Preferably, the device also comprises a flow alarm sensor, wherein the flow alarm sensor is used for detecting the inlet flow of the suction pump 2 and transmitting an inlet flow signal to the controller, and when the inlet flow value exceeds a set value, the device indicates that the medicament is used up, and the controller controls the suction pump 2 to be closed at the moment so as to remind an operator of replenishing the medicament; the flow alarm sensor is arranged, so that the technological process of the polymeric ferric sulfate dosing device is safer, the intelligence of the polymeric ferric sulfate dosing device is further improved, the time is saved, and the dosing efficiency is improved.
Preferably, as shown in fig. 1, 4 and 6, the electric mixer 6 comprises a motor 61, a connecting rod 62 and an impeller 63, wherein the motor 61 is connected with a controller, one end of the connecting rod 62 is connected with the motor 61, the other end of the connecting rod 62 is connected with the impeller 63, and the controller controls the motor 61 to rotate so as to drive the impeller 63 to rotate along with the connecting rod 62, so that stirring of a solution is realized.
Preferably, the number of suction pumps 2 is two; the first discharge ports of the two suction pumps 2 are respectively connected with two second branch pipelines, and the two second branch pipelines are connected to a second pipeline 8 after being combined; the second branch pipe is provided with a check valve 18 and a butterfly valve 17 in this order from the suction pump 2.
Preferably, as shown in fig. 3 and 4, the dispensing box 3 and the liquid storage box 5 are also respectively connected with a wastewater tank 19, and the wastewater tank 19 is used for collecting the sewage in the dispensing box 3 and the liquid storage box 5, preventing equipment from being polluted and avoiding environmental pollution caused by random discharge; the controller is a PLC programmable controller.
The working principle of the above embodiment: starting a suction pump 2, and sucking the polymeric ferric sulfate medicament in the storage tank 1 into a dispensing box 3 by the suction pump 2; when the first liquid level meter 31 detects that the polymeric ferric sulfate medicament in the medicament dispensing box 3 reaches a set medicament feeding value, the controller controls the electric water supplementing valve 15 to be opened, and when water in the medicament dispensing box 3 is added through the water supplementing pipeline 12 and reaches the set water feeding liquid level value, the controller controls the electric stirrer 6 to work; after the electric stirrer 6 stirs for a set time (20 min), the solution stirred by the stirrer is conveyed to the liquid storage tank 5 by the conveying pump 4 and is conveyed to the dosing point 22 for dosing by the metering pump 16; while stirring, the concentration of the solution in the dispensing box 3 is measured by the proportion meter 32, a signal is transmitted to a signal receiver of a circuit board, and then the controller controls the opening time of the electric water supplementing valve 15 or the suction pump 2, so as to control the water supplementing amount or the medicine adding amount, and the solution reaches a set concentration value; when the second liquid level meter 51 detects that the liquid level in the liquid storage tank 5 is reduced to a low liquid level, opening a relevant valve connected with the liquid storage tank 5 by the medicine dispensing tank 3, and continuously pumping the solution which is already configured in the medicine dispensing tank 3 into the liquid storage tank 5 through the delivery pump 4; when the first liquid level meter 31 detects that the liquid level in the dispensing box 3 is reduced to a low liquid level, a relevant valve connected with the suction pump 2 and the dispensing box 3 is opened, the polymeric ferric sulfate medicament in the storage tank 1 is continuously pumped into the dispensing box 3 through the suction pump 2, the electric water supplementing valve 15 is controlled to be opened through the controller to supplement water, and the electric stirrer 6 is controlled to stir for a certain time through the controller to complete solution configuration.
The water treatment device has the advantages of simple structure and process flow, convenient operation, high drug addition efficiency, good coagulation effect, strong working continuity, high reliability and low cost, and shortens the water treatment period; the concentration and the liquid level of the solution in the dosing tank are measured through a specific gravity meter and a first liquid level meter, signals are transmitted to a signal acquisition end of a circuit board, and a controller controls the opening time of an electric water supplementing valve or a suction pump so as to control the water supplementing amount or the drug adding amount, so that the solution reaches a set concentration value; the liquid level of the solution in the liquid storage tank is measured through a second liquid level meter, and the controller controls the starting time of the conveying pump; the colloid charge in the water and the flow of the water are measured by the flow current meter, and the rotational speed of the diaphragm metering pump is controlled by the controller to control the dosage, so that the dosage is minimum, the water quality after the dosage treatment is optimal and the turbidity is minimum.
In addition, the device also comprises an inlet turbidity meter and an outlet turbidity meter, and the signal receiver of the circuit board is used for collecting turbidity signals of the inlet turbidity meter and the outlet turbidity meter; the inlet turbidity meter collects raw water turbidity signals on the front side of a raw water pipeline, and the outlet turbidity meter collects processed water turbidity signals on the water outlet pipeline of the sample water treatment tank; the adding amount of the medicine and the adding amount of the medicine are controlled by comparing the turbidity of the raw water and the turbidity of the treated water, and under the condition of minimum turbidity, the adding amount can be least consumed, the water quality is better, and the material can be saved; the flow alarm sensor is also configured for detecting the inlet flow of the suction pump, and when the inlet flow value exceeds a set value, the controller controls the suction pump to be closed to remind an operator of supplementing the medicament, so that the process flow of the polymeric ferric sulfate dosing device is safer, the time is saved, and the dosing efficiency is improved; the automatic dilution and dispensing process can be realized through the electric water supplementing valve.
Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.
The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.
Claims (8)
1. A polymeric ferric sulfate dosing device for water treatment, comprising:
a suction pump for sucking the polymeric ferric sulfate agent in the reservoir;
the dispensing box is respectively connected with the electric stirrer and the suction pump; the water supplementing port is connected with a water supplementing pipeline, an electric water supplementing valve is arranged on the water supplementing pipeline, and the first liquid level meter and the specific gravity meter are respectively used for measuring the liquid level and the concentration of the solution after stirring and configuration;
the delivery pump is connected with the dispensing box, and an electromagnetic valve is arranged between the delivery pump and the dispensing box;
the control module comprises a circuit board, a flow current instrument, a flowmeter and an executing mechanism, wherein the flowmeter is arranged at the front side of the raw water pipeline and is used for detecting the flow of raw water, and the flow current instrument is used for detecting the colloid charge of the raw water at the front side of the raw water pipeline in real time; the circuit board comprises a controller and a signal receiver, the signal receiver is used for collecting signals of the flow current instrument and the flowmeter, and the controller is connected with the executing mechanism, the suction pump, the electric water supplementing valve, the electric stirrer and the electromagnetic valve;
the liquid storage tank is provided with a second liquid level meter, one end of the liquid storage tank is connected with the conveying pump, the other end of the liquid storage tank passes through the actuating mechanism and then is conveyed to a dosing point, and the dosing point is connected with the rear side of the raw water pipeline.
2. The polymeric ferric sulfate dosing device for water treatment according to claim 1, wherein the flow current meter is an SCD-6000 type swimming current meter and has a probe which communicates with the raw water line and transmits the detected colloidal charge of the raw water on the front side of the raw water line to the controller.
3. The polymeric ferric sulfate dosing device for water treatment according to claim 1 or 2, further comprising an inlet turbidity meter and an outlet turbidity meter, the inlet turbidity meter being disposed at a front side of the raw water pipeline; the tail end of the raw water pipeline is connected with a sample water treatment tank, and an outlet turbidity meter is arranged on an outlet pipeline of the sample water treatment tank.
4. The polymeric ferric sulfate dosing device for water treatment of claim 3, further comprising a first line, a second line, a third line, a fourth line, and a fifth line, wherein the first line is disposed between the reservoir and the suction pump, the second line is disposed between the suction pump and the dispensing tank, the third line is disposed between the dispensing tank and the delivery pump, the fourth line is disposed between the delivery pump and the reservoir, and the fifth line is disposed between the reservoir and the dosing point.
5. The polymeric ferric sulfate dosing device for water treatment according to claim 4, wherein,
the suction pump is provided with a first suction inlet and a first discharge outlet, the first suction inlet is connected with the output end of the first pipeline, and the first discharge outlet is connected with the input end of the second pipeline;
the medicine distribution box is provided with a first medicine adding port and a liquid outlet, and the first medicine adding port is connected with the output end of the second pipeline;
the delivery pump is provided with a second suction inlet and a second discharge outlet, the second suction inlet is connected with the output end of the third pipeline, the input end of the third pipeline is connected with the liquid outlet, the second discharge outlet is connected with the input end of the fourth pipeline, and the output end of the fourth pipeline is connected with the second dosing port of the liquid storage tank.
6. The polymeric ferric sulfate dosing device for water treatment according to claim 5, wherein the electromagnetic valve is arranged on one side of the third pipeline close to the delivery pump.
7. The polymeric ferric sulfate dosing device for water treatment according to claim 1, wherein the electric stirrer comprises a motor, a connecting rod and an impeller, the motor is connected with the controller, one end of the connecting rod is connected with the motor, the other end of the connecting rod is connected with the impeller, and the controller controls the motor to rotate so as to drive the impeller to rotate together with the connecting rod, so that stirring of a solution is realized.
8. The polymeric ferric sulfate dosing device for water treatment of claim 1, wherein the first level gauge is a magnetic flap level gauge; the actuating mechanism is a diaphragm metering pump.
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CN202223416482.8U CN219091934U (en) | 2022-12-20 | 2022-12-20 | Polymeric ferric sulfate dosing device for water treatment |
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