CN216191307U - Flow type self-mixing dosing device - Google Patents

Flow type self-mixing dosing device Download PDF

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Publication number
CN216191307U
CN216191307U CN202121697797.7U CN202121697797U CN216191307U CN 216191307 U CN216191307 U CN 216191307U CN 202121697797 U CN202121697797 U CN 202121697797U CN 216191307 U CN216191307 U CN 216191307U
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pipe
mixing
flow
mixing box
tube
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CN202121697797.7U
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Inventor
朱建龙
郭硕铖
陆彤
彭强辉
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Yangtze Delta Region Institute of Tsinghua University Zhejiang
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Yangtze Delta Region Institute of Tsinghua University Zhejiang
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Abstract

The utility model discloses a flow type self-mixing dosing device which is simple in structure and low in manufacturing cost, can meet the requirement of mixing materials without facilities such as power stirring, has an excellent mixing effect, can freely select the sizes of a mixed flow pipe and a mixing box according to the sizes of water and mud, and can meet the requirement of mixing and adding various medicaments. The front end of the medicine absorbing machine is provided with a water inlet pipe, the tail part of the medicine absorbing machine is connected with a steering head, the rear end of the steering head is connected with a mixed flow pipe, the mixed flow pipes are connected in series and are connected with a steering head of 180 degrees, the tail part of the mixed flow pipe is connected with a 90-degree connecting elbow, a flow guide pipe is arranged above the mixing box, the connecting elbow is connected with the flow guide pipe, and the tail end of the mixing box is fixedly provided with a water outlet pipe.

Description

Flow type self-mixing dosing device
Technical Field
The utility model belongs to the field of environmental protection, and particularly relates to a flowing type self-mixing dosing device for sewage and sludge treatment.
Background
The dosing coagulation system is a common water treatment system, is widely applied to sewage treatment and separation treatment of sludge, bottom mud and other mud-water mixtures, can effectively separate solid from liquid, and is convenient for subsequent operation.
The traditional dosing coagulation technology can be divided into two stages of coagulation and flocculation. In the coagulation stage, the coagulant is fully hydrolyzed in raw water to destabilize and coagulate impurities in the water to form smaller alum flocs; in the flocculation stage, the smaller alum flowers are further enlarged under a certain hydraulic condition through the action of the adsorption bridge frame, and the alum flowers with good sedimentation performance are formed.
In conventional coagulation techniques, coagulation and flocculation processes are generally achieved by stirring, and the main parameters of each process include: the stirring speed and the stirring time, wherein the stirring speed usually uses a speed gradient G value as an important control parameter, and the stirring speed is more suitable for the rapid hydrolysis, polymerization and particle destabilization of the coagulant when the G value is in a range of 500-1000S < -1 >, the range of the formed particles is smaller, and the stirring time is usually 10-30S. When the G value is in the range of 20-80S-1, the method is suitable for the agglomeration and growth of small particle flocs, and the agglomeration time is generally controlled to be about 8-30 min. Therefore, the dosing coagulation technology mainly aims at controlling the water flow speed of the material to be coagulated, generally adopts a mode of firstly fast and then slow, starts to carry out fast coagulation firstly, then gradually reduces the speed, and finally controls the flocculation within a reasonable flow speed range.
The conventional coagulation device is provided with a special coagulation stirring pool and is provided with a stirrer for stirring. The material that needs carry out solid-liquid separation such as sewage, mud, bed mud at first with need add thoughtlessly congeal the medicament and join in thoughtlessly congealing the stirring pond, through setting up the mixer stirring in the pond, will congeal medicament and material intensive mixing, promote interlinkage between the tiny particle solid and become the macromolecule particulate matter, reentrant solid-liquid separation system at last enters the separation.
The traditional coagulation stirring device generally needs to occupy a certain facility floor area, and the construction cost is expensive; in addition, the traditional coagulation stirring device needs professional power equipment to stir and mix materials such as muddy water and the like, and certain energy consumption is needed.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to overcome the defects of the traditional coagulation stirring treatment system and provide a simple and feasible flow type self-mixing dosing device.
The technical solution of the utility model is as follows:
the utility model provides a flow formula is from mixing charge device, includes medicine suction machine, many mixed flow pipe and mixing box, medicine suction machine and mixed flow pipe interconnect after be located the upper strata, the mixing box is located the lower floor. The front end of the medicine absorbing machine is provided with a water inlet pipe, the tail part of the medicine absorbing machine is connected with a steering head, the rear end of the steering head is connected with a mixed flow pipe, the mixed flow pipes are connected in series and are connected with a steering head of 180 degrees, the tail part of the mixed flow pipe is connected with a 90-degree connecting elbow, a flow guide pipe is arranged above the mixing box, the connecting elbow is connected with the flow guide pipe, and the tail end of the mixing box is fixedly provided with a water outlet pipe.
Furthermore, the connecting elbow and the flow guide pipe are fixedly connected with a fastening screw through two flange pieces. The honeycomb duct and the water outlet pipe are arranged on different surfaces of the same side.
Furthermore, the height of the mixing box is three times of the external pipe diameter of the mixed flow pipe, and the internal height of the box body is greater than two times of the external pipe diameter of the mixed flow pipe.
Furthermore, the upper layer equipment consisting of the medicine suction machine and the mixed flow pipe is supported and lifted by the support frame, the lower part of the support frame is welded and fixed with the lower layer equipment mixing box, and the upper part of the support frame is connected and fixed with the medicine suction machine and the mixed flow pipe of the upper layer equipment through the hoop.
Furthermore, the medicine suction machine is manufactured by a reducing pipeline with two large ends and a small middle inverse spindle-shaped structure, the pipe diameters of the outer edges of the two ends are selected from DN50-DN150 according to field requirements, and the pipe diameter of the middle section of the pipeline is 1/2 of the pipe diameters of the two ends. The medicine suction machine front end is the inlet tube, and both pass through welded fastening, and the first half of inlet tube is for preventing the pagoda structure that the hose drops.
Further, inhale medicine machine central point put and be provided with the pencil that adds, add pencil below and inhale medicine machine welded connection, the inner tube intercommunication, the top can set up a plurality of tee joints, can set up the multiunit and add the pencil, every group adds the pencil setting and installs flow control ball valve, can set up corresponding flowmeter as required at flow control ball valve front end and show.
Furthermore, a guide plate can be fixedly arranged inside the mixed flow pipe, the guide plate is directly welded and fixed with the pipe body and is spirally arranged, the spiral radian can be set to be 180 degrees, the height of the guide plate can be set to be 1/4 of the inner diameter of the mixed flow pipe body, and the thickness of the guide plate is generally 1-2 mm.
Further, the mixing box be an inside rectangle box that is hollow structure, inside is provided with the mixing box baffle and guides the rivers state, the mixing box baffle does not seal, leaves mixing box drainage hole at the opposite side of outlet pipe, the length in drainage hole equals the twice of mixed flow pipe internal diameter, highly is the inside net height of mixing box.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
(1) the medicine suction machine realizes the conversion of kinetic energy and potential energy through the change of the pipe diameter, realizes negative pressure difference at the minimum part of the pipe diameter, and can realize the automatic metering and adding of the coagulating agent without a metering pump;
(2) the baffle arranged in the mixing box can realize differential pressure stirring, secondary compression and stirring in a water flow state are realized through a preset mixing box drainage hole, the cross-linking contact and floc expansion of small-particle objects are completed, and finally precipitation can be carried out;
(3) through setting up mobile formula from mixing charge device can save the great thoughtlessly congeal stirring pond of area, practice thrift the area of land more than 4/5 at least, reduce the enterprise construction cost more than 2/3.
(4) The utility model has simple appearance structure and convenient manufacture, can be fixed at a certain position for use without a coagulation sedimentation tank, can be detached, transported and installed at any time, and is more suitable for construction and disposal in outdoor flowing places such as river bottom mud, sludge disposal of micro sewage facilities and the like.
Drawings
FIG. 1 is a top view of the overall profile structure of an embodiment of the present invention.
Figure 2 is an outside elevational view of the overall profile structure of an embodiment of the present invention.
FIG. 3 is a schematic view of a dosing tube according to an embodiment of the present invention.
FIG. 4 is a schematic view of a mixed flow tube according to an embodiment of the present invention.
Fig. 5 is a schematic view of the internal structure of the mixing box according to the embodiment of the present invention.
In the figure: 1. a drug absorber; 2. a mixed flow tube; 3. a mixing box; 4. a water inlet pipe; 5. a medicine feeding pipe; 6. a steering head; 7. connecting the elbow; 8. a water outlet pipe; 9. a baffle; 10. a mixing box baffle; 11. a mixing box drainage hole; 12. a flow control ball valve; 13. Hooping; 14. a support frame; 15. a flange sheet; 16. fastening screws; 17. and a flow guide pipe.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The flowing type self-mixing medicine adding device shown in fig. 1 comprises a medicine suction machine 1, a mixed flow pipe 2 and a mixing box 3, wherein the medicine suction machine 1 and the mixed flow pipe 2 are connected with each other and then are positioned on the upper layer, and the mixing box 3 is positioned on the lower layer. The front end of the drug absorbing machine 1 is provided with a water inlet pipe 4, the tail part of the drug absorbing machine is connected with a steering head 6, the rear end of the steering head 6 is connected with a mixed flow pipe 2, the mixed flow pipe 2 is connected in series and is connected with the steering head 6 with 180 degrees, the tail part of the mixed flow pipe 2 is connected with a 90-degree connecting elbow 7, a guide pipe 17 is arranged above the mixing box 3, the connecting elbow 7 is connected with the guide pipe 17, and the tail end of the mixing box 3 is fixedly provided with a water outlet pipe 8.
As shown in fig. 2, the connecting elbow 7 and the flow guide tube 17 are fixedly connected with a fastening screw 16 through two flange pieces 15. The draft tube 17 and the water outlet tube 8 are arranged on different surfaces of the same side.
As shown in FIG. 2, the height of the mixing box 3 is three times of the external pipe diameter of the mixed flow pipe 2, and the height inside the box body is more than two times of the external pipe diameter of the mixed flow pipe 2.
As shown in fig. 2, the upper layer equipment consisting of the drug suction machine 1 and the mixed flow pipe 2 is supported and lifted by a support frame 14, the lower part of the support frame 14 is welded and fixed with the lower layer equipment mixing box 3, and the upper part is connected and fixed with the drug suction machine 1 and the mixed flow pipe 2 of the upper layer equipment through an anchor ear 13.
As shown in fig. 1, the drug inhalation machine 1 is made of a reducing pipeline with a large end and a small middle inverted spindle-shaped structure, the pipe diameters of the outer edges of the two ends are selected from DN50-DN150 according to the field requirement, and the pipe diameter of the middle section of the pipeline is 1/2 of the pipe diameters of the two ends. The medicine suction machine 1 is fixed with the front end water inlet pipe 4 through welding, and the front half part of the water inlet pipe 4 is of a pagoda structure for preventing the hose from falling off.
As shown in fig. 1 and 3, the central position of the drug inhalation machine 1 is provided with a drug feeding pipe 5, the lower part of the drug feeding pipe 5 is connected with the drug inhalation machine 1 in a welding way, the inner pipeline is communicated, a plurality of tee joints can be arranged above the drug feeding pipe, a plurality of groups of drug feeding pipes can be arranged, each group of drug feeding pipes is provided with a flow control ball valve 12, and the front end of the flow control ball valve 12 can be provided with a corresponding flow meter to display according to the requirement.
As shown in fig. 4, a guide plate 9 can be fixedly arranged inside the mixed flow pipe 2, the guide plate 9 is directly welded and fixed with the pipe body and is spirally arranged, the spiral radian can be set to 180 degrees, the height of the guide plate 9 can be set to 1/4 of the inner diameter of the pipe body of the mixed flow pipe 2, and the thickness is generally 1-2 mm.
As shown in fig. 5, the mixing box 3 is a rectangular box body with a hollow structure inside, a mixing box baffle 10 is arranged inside to guide the water flow state, the mixing box baffle 10 is not closed, a mixing box drainage hole 11 is reserved on the other side of the water outlet pipe 8, the length of the drainage hole 11 is equal to twice of the inner diameter of the mixed flow pipe 2, and the height of the drainage hole is equal to the inside clear height of the mixing box 3.
The concrete use process and principle are that materials to be coagulated are pumped into the water inlet pipe 4 through a water pump, the pressure difference is different due to different pipe diameters of the drug suction machines 1, the maximum negative pressure difference is achieved in the minimum pipe section, and drugs to be added can be sucked or pumped into the drug suction machines 1 through the drug adding pipes 5; the mixture of the materials and the medicament flows rapidly in the mixed flow pipe 2, and the medicament is rapidly mixed and basically mixed uniformly as the mixed flow pipe 2 rotates and turns over the materials in a baffling way; the material after the mixing gets into mixing box 3, the velocity of flow slows down rapidly, the medicament through adding 5 addings of pencil begins to unite with the suspended particle in the water rapidly, begin to condense in the first half box of mixing box 3, because set up mixing box baffle 10 in the box, the material is forced to flow through mixing box drainage hole 11 only, because drainage hole 11 overflows the flow area not big, the material is carried out gentle extrusion and remixing by the effect that receives the rivers once more, the material begins to flocculate, and polymerize into the material of great granule gradually, final material gets into the sedimentation tank and deposits.
The above descriptions are specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the patent, and all equivalent implementations and modifications without departing from the principle are intended to be included in the scope of the patent of this disclosure.

Claims (8)

1. The utility model provides a flow formula is from mixing charge device, includes medicine suction machine, many mixed flow pipes and mixing box, its characterized in that, medicine suction machine and many mixed flow pipe interconnect after be located the upper strata, the mixing box is located the lower floor, medicine suction machine front end is provided with the inlet tube, the afterbody links to each other with turning to the head, turn to the head rear end and connect the mixed flow pipe, establish ties between many mixed flow pipes and be connected by turning to the head, there is the connecting bend at the afterbody of mixed flow pipe, mixing box top have the honeycomb duct, the connecting bend with the honeycomb duct is connected, the fixed outlet pipe that is provided with of tail end of mixing box.
2. The device as claimed in claim 1, wherein the connecting elbow and the flow guide tube are connected to the fastening screw by two flange pieces, and the flow guide tube is located on a different surface of the same side as the water outlet tube.
3. The apparatus of claim 1, wherein the height of the mixing box is three times the outer tube diameter of the mixing tube, and the height of the interior of the box is greater than two times the outer tube diameter of the mixing tube.
4. The device of claim 1, wherein the upper device comprising the drug absorber and the flow mixing tube is supported and lifted by a support frame, the lower part of the support frame is fixedly connected with the mixing box of the lower device, and the upper part of the support frame is fixedly connected with the drug absorber and the flow mixing tube of the upper device through an anchor ear.
5. The device according to claim 1, wherein the drug absorber is a reducing pipeline with two large ends and a small middle inverse fusiform structure, and the pipe diameter of the middle section of the pipeline is 1/2; the medicine suction machine is fixed with the front end water inlet pipe through welding, and the front half part of the water inlet pipe is of a pagoda structure for preventing the hose from falling off.
6. The device of claim 1, wherein a dosing pipe is arranged at the center of the medicine suction machine, the lower part of the dosing pipe is connected with the medicine suction machine, the inner pipeline is communicated, and a flow control ball valve is arranged on the dosing pipe.
7. The device as claimed in claim 1, wherein a flow guide plate is fixedly arranged inside the flow mixing pipe, the flow guide plate is fixedly connected with the flow mixing pipe body and is spirally arranged, the height of the flow guide plate is 1/4 of the inner diameter of the flow mixing pipe body, and the thickness of the flow guide plate is 1-2 mm.
8. The apparatus as claimed in claim 1, wherein the mixing box is a rectangular box body with a hollow structure inside, a non-closed baffle plate is arranged inside, and a mixing box drainage hole is reserved on the other side of the water outlet pipe, the length of the drainage hole is twice of the inner diameter of the mixing pipe, and the height of the drainage hole is the inner clear height of the mixing box.
CN202121697797.7U 2021-07-23 2021-07-23 Flow type self-mixing dosing device Active CN216191307U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121697797.7U CN216191307U (en) 2021-07-23 2021-07-23 Flow type self-mixing dosing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121697797.7U CN216191307U (en) 2021-07-23 2021-07-23 Flow type self-mixing dosing device

Publications (1)

Publication Number Publication Date
CN216191307U true CN216191307U (en) 2022-04-05

Family

ID=80895272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121697797.7U Active CN216191307U (en) 2021-07-23 2021-07-23 Flow type self-mixing dosing device

Country Status (1)

Country Link
CN (1) CN216191307U (en)

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