CN212864244U - Flocculating agent dosing system - Google Patents
Flocculating agent dosing system Download PDFInfo
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- CN212864244U CN212864244U CN202020958934.7U CN202020958934U CN212864244U CN 212864244 U CN212864244 U CN 212864244U CN 202020958934 U CN202020958934 U CN 202020958934U CN 212864244 U CN212864244 U CN 212864244U
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- storage bin
- flocculant
- dissolving tank
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Abstract
The utility model discloses a flocculating agent feeding system, which comprises a storage bin, a variable frequency quantitative feeder, a screw conveyer, a dissolving tank and a delivery pump; the storage bin is used for storing flocculant powder, and the variable-frequency quantitative feeder is used for discharging the storage bin; the screw conveyer is used for conveying the flocculant powder discharged by the variable-frequency quantitative feeder to the dissolving tank; the dissolving tank is used for dissolving the flocculating agent; the delivery pump is used for delivering the dissolved flocculant mixed liquid to the flocculation sedimentation tank. The system can replace manual feeding, greatly reduce the manual labor intensity and ensure the occupational health; and can realize automatic control.
Description
Technical Field
The utility model relates to a waste water treatment technical field, concretely relates to flocculating agent dosing system.
Background
The adoption of advanced ozone oxidation technology to treat landfill leachate, oilfield produced water and livestock and poultry breeding wastewater has become a popular trend in the wastewater treatment industry. In order to reduce the consumption of ozone and the running cost, a coagulating sedimentation process is generally required to be added before the ozone is subjected to advanced oxidation, and suspended matters in the wastewater are separated out in a flocculating sedimentation mode.
The common flocculant is generally bagged powder, production enterprises generally store the powder in an accumulation mode, and the flocculant is manually added during use, so that the field environment is poor, the manual labor intensity is high, and the occupational health of workers is damaged. Especially when the amount of the treated wastewater is large, the storage and adding mode of the flocculating agent becomes a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a flocculating agent dosing system.
The utility model adopts the technical proposal that:
a flocculating agent feeding system comprises a storage bin, a variable-frequency quantitative feeder, a screw conveyor, a dissolving tank and a conveying pump; the storage bin is used for storing flocculant powder, the variable-frequency quantitative feeder is arranged at the bottom of the storage bin and is communicated with an outlet of the storage bin, and the variable-frequency quantitative feeder is used for discharging the storage bin; the screw conveyer is arranged below the variable-frequency constant feeder, a feed inlet of the screw conveyer is communicated with a discharge outlet of the variable-frequency constant feeder, a discharge outlet of the screw conveyer is communicated with the dissolving tank, and the screw conveyer is used for conveying the flocculant powder discharged by the variable-frequency constant feeder to the dissolving tank; the dissolving tank is provided with a water inlet valve and a water inlet flow meter, the water inlet valve is used for connecting a water inlet pipe, the water inlet flow meter is used for metering the water amount entering the dissolving tank, and the dissolving tank is used for quantitatively dissolving the flocculant powder and the water; the delivery pump is used for delivering the flocculant mixed liquor in the dissolving tank to the flocculation sedimentation tank.
Furthermore, a dust remover and a feed valve are arranged at the top of the storage bin, the feed valve is used for feeding the flocculant powder, and the dust remover is used for pressure reduction separation during feeding of the flocculant powder.
Further, the dust remover is a bag-type dust remover.
Furthermore, the bottom of the bin is conical, a bin wall vibrator is arranged on the outer surface of the conical bin wall, and an arch breaking device is arranged above the outlet of the bin.
Furtherly, broken device of encircleing includes along feed bin export circumference evenly distributed's a plurality of intake pipes and electromagnetic pulse valve, the intake pipe radially inserts the feed bin, stretches into one end tip and feed bin bulkhead parallel and level in the feed bin, is located the outside one end connection electromagnetic pulse valve of feed bin, the electromagnetic pulse valve is used for the jetting to break and encircles.
Furthermore, the upper part, the middle part and the lower part of the bin are respectively provided with an upper ultrasonic material level meter, a middle ultrasonic material level meter and a lower ultrasonic material level meter which are used for detecting the material level of the wadding bin.
Further, a stirring device is arranged in the dissolving tank, and comprises a motor, a stirring shaft and stirring blades; the stirring shaft is arranged at the axial center part of the dissolving tank, the upper end of the stirring shaft is connected with the motor and is driven by the motor to rotate, the lower end of the stirring shaft extends into the bottom of the dissolving tank, and at least two groups of stirring blades are arranged on the stirring shaft.
Further, the delivery pump is a screw pump.
The utility model has the advantages that:
1. the automatic feeding and the airtight storage of the flocculant powder can be realized through the storage bin, and the field operation environment and the manual operation intensity are changed.
2. The quantitative output of the flocculant powder material can be realized through the feeder, and the concentration of the flocculant emulsion can be flexibly adjusted.
3. The system can replace manual feeding, greatly reduce the manual labor intensity and ensure the occupational health; and can realize automatic control.
Drawings
FIG. 1 is a schematic structural diagram of the flocculant adding system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and a preferred embodiment.
Referring to fig. 1, the present embodiment provides a flocculant adding system, which includes a storage bin 3, a variable-frequency quantitative feeder 6, a screw conveyor 7, a dissolving tank 9 and a delivery pump 10; the storage bin 3 is used for storing flocculant powder, the variable-frequency quantitative feeder 6 is arranged at the bottom of the storage bin 3 and communicated with an outlet of the storage bin, and the variable-frequency quantitative feeder 6 is used for discharging materials from the storage bin; the screw conveyor 7 is arranged below the variable-frequency constant feeder 6, a feed inlet of the screw conveyor is communicated with a discharge outlet of the variable-frequency constant feeder, a discharge outlet of the screw conveyor is communicated with the dissolving tank 9, and the screw conveyor 7 is used for conveying the flocculant powder discharged by the variable-frequency constant feeder 6 to the dissolving tank 9; the dissolving tank 9 is provided with a water inlet valve 8 and a water inlet flow meter 12, the water inlet valve 9 is used for connecting a water inlet pipe, the water inlet flow meter 12 is used for metering the water quantity entering the dissolving tank, and the dissolving tank 9 is used for quantitatively dissolving the flocculant powder and the water; the transfer pump 10 is used for transferring the flocculant emulsion in the dissolving tank 9 to the flocculation sedimentation tank 11. The structure and function of each device of the system will be described in detail below.
The storage bin 3 is made of a steel plate and is cylindrical, a flat seal head is arranged at the top of the storage bin, and a conical seal head is arranged at the bottom of the storage bin. The flocculating agent feed bin is arranged on the ground through the supporting legs. The center part of the top of the storage bin is provided with an exhaust port, the exhaust port is provided with a pulse type bag-type dust collector 1, the bag-type dust collector 1 is in the prior art, and the pressure reduction separation of flocculant powder is realized during the feeding of the storage bin. The top of the storage bin is also provided with a feeding hole, the feeding hole is provided with a feeding valve 2, the feeding valve 2 is connected with a feeding pipe 21, the feeding pipe 21 is bent downwards and supported on the ground through a pipe support 22, a pipe end connecting pipe joint 23 is arranged, and the pipe joint 23 is used for being connected with a storage pump discharge hole of a flocculant transport vehicle. The feeding valve 2 can be set as an electric valve and automatically closed after the feeding is finished. The outer surface of the conical end socket of the storage bin is provided with at least one bin wall vibrator 4 for regularly vibrating the bin wall to prevent the bin wall from caking materials to influence the smooth blanking. The silo wall rapper 4 is of the prior art and in this example, is of the model ZFB-5. The upper part, the middle part and the lower part of the barrel body of the stock bin 3 are respectively provided with an upper ultrasonic material level meter, a middle ultrasonic material level meter and a lower ultrasonic material level meter which are used for detecting the material level in the stock bin and preventing the stock bin from overflowing when empty or feeding. The bottom of the conical seal head is provided with a discharge hole, and a gate valve 5 is arranged at the discharge hole. The gate valve 5 is connected with the variable-frequency quantitative feeder 6. The gate valve 5 can be set as an electric or pneumatic valve, which is convenient for automatic control and operation. An arch breaking device is arranged above the outlet of the storage bin. The arch breaking device comprises at least three air inlet pipes 41 and electromagnetic pulse valves 42 which are arranged above the outlet of the storage bin in a surrounding mode, the storage bin 3 is inserted into the air inlet pipes 41 in the inclined mode perpendicular to the bin wall 31, one end portion of each air inlet pipe extending into the storage bin is flush with the bin wall of the storage bin, one end of each air inlet pipe outside the storage bin is connected with the electromagnetic pulse valve 42, the electromagnetic pulse valves 42 are used for blowing and arch breaking, materials are prevented from being accumulated above the outlet, and discharging is influenced smoothly.
Variable frequency constant feeder 6 is prior art, in this embodiment, chooses for use the GL-2B model.
The screw conveyer 7 is installed on the supporting leg of the stock bin 3 by utilizing a support, the feed inlet is aligned with the discharge port of the variable-frequency quantitative feeder 6, and the discharge port inclines downwards to extend to the upper part of the dissolving tank 9.
The dissolving tank 9 is made of a steel plate and is cylindrical, and the upper and lower parts are closed by cover plates. The upper cover plate is flat plate, its central portion is equipped with the (mixing) shaft mounting hole, and the outer fringe portion is equipped with the water inlet, sets up inlet valve 8 and intake flowmeter 12 on the water inlet. The water inlet valve 8 can be set as a pneumatic valve and is connected with a water pipe for water inlet. A stirring device is arranged in the dissolving tank 9, and comprises a motor, a stirring shaft and stirring blades; the motor is installed on the upper cover plate, and the (mixing) shaft is inserted in the dissolving tank from the (mixing) shaft mounting hole, and (mixing) shaft upper end and motor output shaft, the (mixing) shaft lower extreme stretch into to the bottom of dissolving tank, are equipped with two sets of stirring vane on the (mixing) shaft, and the lower extreme of (mixing) shaft is located to a set of stirring vane, and the well upper end of (mixing) shaft is located to another set of. The stirring blade can be three-blade propelling type, hinge paddle type or anchor plate type. The stirring device is used for dissolving and mixing the flocculant powder and water and preventing the flocculant emulsion from precipitating.
The transfer pump 10 can be selected from a slurry pump or a screw pump. Preferably, the screw pump is a positive displacement pump, and the outlet flow is easy to adjust. The delivery pump 10 export is connected with flocculation and precipitation pond through the pipeline, and the pump export sets up governing valve and check valve, and the check valve is used for preventing the material palirrhea.
The working principle of the system is as follows:
feeding by a bin: when the bin level meter shows that the bin has no material, the feed valve 2 is opened, the pipe joint 23 is connected with the discharge port of the bin pump of the flocculant transport vehicle through a hose, the bin pump of the transport vehicle is started, flocculant powder in the transport vehicle is conveyed to the bin 3 through the feed pipe 2, and gas carried by the bin pump is separated through the bag-type dust collector 1; and when the bin level meter displays full material, stopping feeding by the bin pump and closing the feeding valve 2.
During batching, a gate valve 5 at the bottom of the stock bin is opened, a screw conveyor 7 and a variable-frequency quantitative feeder 6 are started, and the variable-frequency quantitative feeder 6 quantitatively discharges flocculant powder in the stock bin 3 to the screw conveyor 7 and conveys the flocculant powder to a dissolving tank 9 through the screw conveyor 7; controlling the opening degree of a water inlet valve 8 of a dissolving tank 9, metering the water quantity entering the dissolving tank through a flowmeter 12, adjusting the concentration of the flocculant emulsion within a process set range, starting a delivery pump 10, and delivering the flocculant emulsion meeting the process requirements to a flocculation sedimentation tank 11.
The flocculant powder may be at least one of aluminum sulfate, aluminum chloride, ferric sulfate, ferric chloride polyaluminum chloride (PAC), polyaluminum sulfate (PAS), polyferric chloride (PFC), polyferric sulfate (PFS), and the like.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and the improvements and modifications are also within the protection scope of the present invention.
Claims (8)
1. A flocculating agent feeding system is characterized by comprising a storage bin, a variable-frequency quantitative feeder, a spiral conveyor, a dissolving tank and a conveying pump; the storage bin is used for storing flocculant powder, the variable-frequency quantitative feeder is arranged at the bottom of the storage bin and is communicated with an outlet of the storage bin, and the variable-frequency quantitative feeder is used for discharging the storage bin; the screw conveyer is arranged below the variable-frequency constant feeder, a feed inlet of the screw conveyer is communicated with a discharge outlet of the variable-frequency constant feeder, a discharge outlet of the screw conveyer is communicated with the dissolving tank, and the screw conveyer is used for conveying the flocculant powder discharged by the variable-frequency constant feeder to the dissolving tank; the dissolving tank is provided with a water inlet valve and a water inlet flow meter, the water inlet valve is used for connecting a water inlet pipe, the water inlet flow meter is used for metering the water amount entering the dissolving tank, and the dissolving tank is used for quantitatively dissolving the flocculant powder and the water; the delivery pump is used for delivering the flocculant mixed liquor in the dissolving tank to the flocculation sedimentation tank.
2. The flocculant adding system according to claim 1, wherein a dust remover and a feed valve are arranged at the top of the storage bin, the feed valve is used for feeding flocculant powder, and the dust remover is used for pressure reduction separation during feeding of the flocculant powder.
3. The flocculant dosing system of claim 2, wherein the dust collector is a bag-type dust collector.
4. The flocculant adding system according to claim 2, wherein the bottom of the storage bin is conical, a bin wall vibrator is arranged on the outer surface of the conical bin wall, and an arch breaking device is arranged above the outlet of the storage bin.
5. The flocculant adding system according to claim 3, wherein the arch breaking device comprises a plurality of air inlet pipes and electromagnetic pulse valves which are uniformly distributed along the circumferential direction of the outlet of the storage bin, the air inlet pipes are radially inserted into the storage bin, one end part extending into the storage bin is flush with the wall of the storage bin, one end positioned outside the storage bin is connected with the electromagnetic pulse valves, and the electromagnetic pulse valves are used for blowing and arch breaking.
6. The flocculant adding system according to claim 1, wherein an upper ultrasonic level gauge, a middle ultrasonic level gauge and a lower ultrasonic level gauge are respectively arranged at the upper part, the middle part and the lower part of the storage bin and used for detecting the level of the flocculation bin.
7. The flocculant adding system according to claim 1, wherein a stirring device is arranged in the dissolving tank, and the stirring device comprises a motor, a stirring shaft and stirring blades; the stirring shaft is arranged at the axial center part of the dissolving tank, the upper end of the stirring shaft is connected with the motor and is driven by the motor to rotate, the lower end of the stirring shaft extends into the bottom of the dissolving tank, and at least two groups of stirring blades are arranged on the stirring shaft.
8. The flocculant dosing system of claim 1, wherein the delivery pump is a progressive cavity pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020958934.7U CN212864244U (en) | 2020-05-29 | 2020-05-29 | Flocculating agent dosing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020958934.7U CN212864244U (en) | 2020-05-29 | 2020-05-29 | Flocculating agent dosing system |
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| Publication Number | Publication Date |
|---|---|
| CN212864244U true CN212864244U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020958934.7U Active CN212864244U (en) | 2020-05-29 | 2020-05-29 | Flocculating agent dosing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331355A (en) * | 2021-05-07 | 2021-09-03 | 内蒙古草原汇香食品科技有限公司 | Livestock byproduct comprehensive processing intelligent system and method |
| CN113499721A (en) * | 2021-06-11 | 2021-10-15 | 天津市艾盟科技发展有限公司 | Continuous conditioning mixing conveying system for viscous fluid and powder material |
-
2020
- 2020-05-29 CN CN202020958934.7U patent/CN212864244U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331355A (en) * | 2021-05-07 | 2021-09-03 | 内蒙古草原汇香食品科技有限公司 | Livestock byproduct comprehensive processing intelligent system and method |
| CN113499721A (en) * | 2021-06-11 | 2021-10-15 | 天津市艾盟科技发展有限公司 | Continuous conditioning mixing conveying system for viscous fluid and powder material |
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