CN218320958U

CN218320958U - PAM anion multiple spot charge device of high-efficient sedimentation tank

Info

Publication number: CN218320958U
Application number: CN202221932967.XU
Authority: CN
Inventors: 叶浩然; 廖建胜; 张思; 林元昆; 黄萍
Original assignee: Wenzhou Hanggang Water Service Co ltd
Current assignee: Wenzhou Hanggang Water Service Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-17
Anticipated expiration: 2032-07-22

Abstract

A PAM anion multipoint dosing device of a high-efficiency sedimentation tank comprises PAM anion dosing equipment, wherein the PAM anion dosing equipment comprises a medicine storage tank, a plurality of dosing pumps, a standby pump and dosing flow meters, wherein the dosing pumps are arranged corresponding to the high-efficiency sedimentation tank in number; the multi-point dosing device comprises an annular dosing pipeline, the annular dosing pipeline is provided with a dosing port communicated with a dosing pump, the outer wall of the guide cylinder of the flocculation tank is sleeved with the annular dosing pipeline, and a plurality of dosing holes are formed in the annular dosing pipeline around the guide cylinder. PAM anion medicament multiple spot is put in draft tube outer wall department through annular medicine pipeline, and along with the inside and outside sewage cycle of draft tube flows, the medicament is by the homodisperse in sewage for flocculation alum blossom effect is showing and is promoting, has avoided the single-point to put in the local of medicament and has caused and concentrated, the unable problem that fully spreads to in the sewage.

Description

PAM anion multiple spot charge device of high-efficient sedimentation tank

Technical Field

The utility model relates to a water quality testing technical field, in particular to PAM anion multiple spot charge device of high-efficient sedimentation tank.

Background

The sedimentation tank is a structure for removing suspended matters in water by using sedimentation and is equipment for purifying water. The suspended substances in the water are removed by utilizing the natural sedimentation or coagulating sedimentation of the water. The sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction. The settling effect is determined by the flow rate of the water in the settling tank and the residence time of the water in the tank. In order to improve the sedimentation effect and reduce the land occupation area, a honeycomb inclined tube counter-current sedimentation tank, an accelerated clarification tank, a pulse clarification tank and the like are mostly adopted at present.

A complete set of efficient sedimentation tank is composed of three reaction devices of steel structures or concrete structures which are arranged in series. The clarification function of the high-efficiency sedimentation tank is realized by three independent process combinations with specific functions, namely rapid coagulation, flocculation and sedimentation. When the hardness of the incoming water is too high, chemical agents are required to remove the hardness of the incoming water, such as a high-efficiency polymeric flocculant (PAM), which is a general term for a polymer obtained by homopolymerization of an acrylamide monomer under the action of an initiator.

The problems existing in the prior art are as follows: PAM medicament is installed in the original design and is added into a draft tube of a stirrer of a flocculation tank through a UPVC pipe of DN20, the single-point addition is adopted, the alum blossom effect is poor, and the unit consumption of the medicament is high.

Disclosure of Invention

The utility model discloses a solve not enough of above-mentioned technique, provide a PAM anion multiple spot charge device of high-efficient sedimentation tank, make PAM medicament fully dispersed in the flocculation basin.

The technical scheme of the utility model: a PAM anion multipoint dosing device of a high-efficiency sedimentation tank comprises PAM anion dosing equipment, wherein the PAM anion dosing equipment comprises drug storage tanks, a plurality of dosing pumps, standby pumps and dosing flowmeters, wherein the dosing pumps, the standby pumps and the dosing flowmeters are arranged corresponding to the high-efficiency sedimentation tank in number; the multi-point dosing device comprises an annular dosing pipeline, the annular dosing pipeline is provided with a dosing port communicated with a dosing pump, the outer wall of the guide cylinder of the flocculation tank is sleeved with the annular dosing pipeline, and a plurality of dosing holes are formed in the annular dosing pipeline around the guide cylinder.

Adopt above-mentioned technical scheme, put in PAM anion medicament multiple spot in draft tube outer wall department through annular medicine pipeline that adds, along with the inside and outside sewage cycle of draft tube flows, the medicament is by the intensive dispersion in sewage for flocculation alum blossom effect is showing and is promoting, has avoided the single-point to put in the local of medicament and causing and has concentrated, the unable problem of fully diffusing in sewage.

The utility model discloses a further setting: the annular dosing pipeline is divided into an upper half body and a lower half body, a plurality of division plates are correspondingly welded in the upper half body and the lower half body, the division plates are arranged along the annular dosing pipeline to divide an inner hole of the pipeline into a plurality of channels, and the plurality of dosing holes are respectively arranged in different channels; the upper half body and the lower half body are spliced to form an annular dosing pipeline.

By adopting the technical scheme, the annular medicine adding pipeline is cut into half and half by segmenting the annular medicine adding pipeline, so that a plurality of division plates are conveniently welded and processed. The division plate is arranged because the problem that the distance from the medicine feeding port is long and short is inevitably caused after the medicine discharging holes are arranged, PAM medicine can not be ensured to flow out of each medicine discharging hole in an actual production test, the medicine can only flow out of the medicine discharging holes near the connection with the UPVC medicine feeding pipe basically, and other medicine discharging holes far away can be 0.5-1m in flow rate due to common medicine feeding ³ Between/h, the flow is very small, the front medicine outlet hole is drained, and the medicine cannot be delivered to the far medicine outlet hole, so that no medicine flows out.

After the division plate is arranged, each medicine outlet hole is provided with an independent medicine channel, the medicine input by the medicine adding pump naturally flows into each channel in the medicine adding opening, only one medicine outlet hole is formed in each channel, and the problem of early discharge can be solved.

And because each medicine outlet hole is separated around the guide cylinder, the medicine feeding range and the distance are enlarged, so that the medicine can be uniformly dispersed in the pool, the medicine concentration is avoided, and the medicine is fully mixed and reacted with sewage.

The utility model discloses a further setting: in the plurality of channels, one side of the medicine outlet hole far away from the medicine adding port is provided with a blocking plate.

By adopting the technical scheme, as the positions of the medicine outlet holes are far away and near, the channels have redundant invalid parts, and the intercepting plate is arranged to block the medicine outlet holes, so that the medicine cannot be wasted in the redundant channels.

The utility model discloses a further set up: the guide cylinder is provided with a lifting track, the annular dosing pipeline is fixedly connected with a sliding block and is in sliding fit with the lifting track through the sliding block, and a corrugated pipe is arranged between the dosing port and the dosing pump for connection.

Adopt above-mentioned technical scheme, can be along with lift track sliding fit through setting up the annular medicine pipeline that adds, the operating personnel of being convenient for adjusts the degree of depth of annular medicine pipeline in the flocculation basin, also is convenient for retrieve the maintenance, sets up the bellows and links up the cooperation lift distance of being convenient for and warp the length. When the lifting device is lifted, the lifting device can be lifted to the bottom, and can also be fixed at a specified depth in a mode of fixing by a pull rope, a screw and the like.

The utility model discloses a further setting: and a spray head capable of adjusting the flow is arranged at the medicine outlet.

By adopting the technical scheme, the speed of medicament feeding is further controlled by arranging the spray head capable of adjusting the flow.

The utility model discloses a further set up: and a float flowmeter is arranged between the annular dosing pipeline and the dosing pump, and the medicament enters the annular dosing pipeline through the float flowmeter.

Adopt above-mentioned technical scheme, according to float flowmeter's theory of operation, as fluid through float flow timing, the float rises, if the phenomenon that adds the pencil leak tube or add the stifled pipe of pencil appears, then there is not the fluid process float flowmeter below, and the phenomenon that rise decline or float do not rise can appear in the float, and the staff can be through observing the float and clearly adding the intraductal condition of pencil to in time react, and then improve the stability of adding pencil work.

Drawings

FIG. 1 is a structural diagram of a high-efficiency sedimentation tank in an embodiment of the present invention;

FIG. 2 is a structural diagram 1 of an annular medicine adding pipeline in the embodiment of the present invention;

FIG. 3 is a structural diagram 2 of an annular medicine adding pipeline in the embodiment of the present invention;

fig. 4 is a structural diagram 3 of the annular medicine feeding pipeline of the embodiment of the utility model.

Fig. 5 is a structural diagram 4 of an annular medicine feeding pipeline in the embodiment of the utility model.

Wherein, 1-high efficiency sedimentation tank, 2-annular medicine feeding pipeline, 21-medicine feeding port, 22-medicine outlet, 23-upper half body, 24-lower half body, 25-division plate, 26-interception plate, 3-flocculation tank, 4-draft tube, 5-spray nozzle, 6-float flowmeter.

Detailed Description

As shown in fig. 1-5, a PAM anion multipoint dosing device for a high-efficiency sedimentation tank 1, wherein the high-efficiency sedimentation tank 1 includes PAM anion dosing equipment, and each PAM anion dosing equipment includes a medicine storage tank, a plurality of dosing pumps, a standby pump, and dosing flow meters, which are arranged corresponding to the number of the high-efficiency sedimentation tanks; the multi-point dosing device comprises an annular dosing pipeline 2, the annular dosing pipeline 2 is provided with a dosing port 21 communicated with a dosing pump, the outer wall of a guide cylinder 4 of the flocculation tank 3 is sleeved with the dosing port, and a plurality of dosing holes 22 are formed in the annular dosing pipeline 2 and surround the guide cylinder 4.

Put in PAM anion medicament multiple spot through annular medicine pipeline 2 in 4 outer walls of draft tube department, along with inside and outside sewage cycle of draft tube 4 flows, the medicament is by the homodisperse in sewage for flocculation alum blossom effect is showing and is promoting, has avoided the single-point to put in the local of medicament and has concentrated, the unable problem of fully diffusing in sewage.

The annular medicine adding pipeline 2 is divided into an upper half body 23 and a lower half body 24, a plurality of partition plates 25 are correspondingly welded in the upper half body 23 and the lower half body 24, the plurality of partition plates 25 are arranged along the annular medicine adding pipeline 2 to divide an inner hole of the pipeline into a plurality of channels, and the plurality of medicine outlet holes 22 are respectively arranged in different channels; the upper half body 23 and the lower half body 24 are spliced to form the annular medicine adding pipeline 2.

By cutting the annular medicine adding pipeline 2, the pipeline is cut in half, and a plurality of partition plates 25 are convenient to weld and process. The division plate 25 is arranged because the problem that the division plate is far away from the dosing port 21 inevitably exists after the plurality of dosing holes 22 are arranged, PAM (polyacrylamide) medicaments cannot be ensured to flow out of each dosing hole 22 in an actual production test, the medicaments flow out of the dosing holes 22 near the UPVC (unplasticized polyvinyl chloride) dosing pipe basically only, and the other medicine outlet holes 22 far away from the UPVC dosing pipe can be generally used for dosing at the rate of 0.5-1m ³ Between/h, the flow is very low, the front outlet 22 has been drained and no medicament can be delivered to the further outlet 22, resulting in no medicament flowing out.

After the division plate 25 is arranged, each medicine outlet 22 is provided with an independent medicine channel, the medicine input by the medicine adding pump naturally shunts to enter each channel at the medicine adding opening 21, only one medicine outlet 22 is arranged in each channel, and the problem of early leakage does not exist.

In the plurality of channels, a interception plate 26 is arranged on one side of the medicine outlet hole 22 far away from the medicine adding port 21.

Because the positions of the medicine outlet holes 22 are far and near, redundant and ineffective parts exist in the channels, and the interception plates 26 are arranged on the sides of the medicine outlet holes 22 in a blocking mode, so that the medicines are not wasted in the redundant channels.

The guide cylinder 4 is provided with a lifting track, the annular dosing pipeline 2 is fixedly connected with a sliding block, the sliding block is in sliding fit with the lifting track, and a bellows is arranged between the dosing port 21 and the dosing pump.

Through setting up annular medicine pipeline 2 and can be along with lift track sliding fit, the degree of depth of being convenient for operating personnel adjustment annular medicine pipeline 2 in flocculation basin 3 also is convenient for retrieve the maintenance, sets up the bellows and links up the cooperation lift distance of being convenient for and warp the length. When the lifting device is lifted, the lifting device can be lifted to the bottom, and can also be fixed at a specified depth in the modes of rope pulling, screw fixation and the like.

The medicine outlet hole 22 is provided with a spray head 5 capable of adjusting the flow.

The rate of medicament delivery is further controlled by the provision of a spray head 5 which can regulate the flow rate.

And a float flowmeter is arranged between the annular dosing pipeline and the dosing pump, and the medicament enters the annular dosing pipeline through the float flowmeter.

According to float flowmeter's theory of operation, as fluid through float flowmeter timing, the float rises, if appear adding the phenomenon that pencil leak source or add the stifled pipe of pencil, then there is not the fluid process float flowmeter below, and the phenomenon that rise height descends or the float does not rise can appear in the float, and the staff can be through observing the float and clearly add the intraductal condition of pencil to in time react, and then improve the stability of adding pencil work.

Claims

1. A PAM anion multipoint dosing device of a high-efficiency sedimentation tank comprises PAM anion dosing equipment, wherein the PAM anion dosing equipment comprises a medicine storage tank, a plurality of dosing pumps, a standby pump and dosing flow meters, wherein the dosing pumps are arranged corresponding to the high-efficiency sedimentation tank in number; the method is characterized in that: the multi-point dosing device comprises an annular dosing pipeline, the annular dosing pipeline is provided with a dosing port communicated with a dosing pump, the outer wall of the guide cylinder of the flocculation tank is sleeved with the annular dosing pipeline, and a plurality of dosing holes are formed in the annular dosing pipeline around the guide cylinder.

2. The PAM anion multi-point dosing device for the high-efficiency sedimentation tank as claimed in claim 1, which is characterized in that: the annular medicine feeding pipeline is divided into an upper half body and a lower half body, a plurality of partition plates are correspondingly welded in the upper half body and the lower half body, the plurality of partition plates are arranged along the annular medicine feeding pipeline to divide an inner hole of the pipeline into a plurality of channels, and the plurality of medicine outlet holes are respectively arranged in different channels; the upper half body and the lower half body are spliced to form an annular medicine feeding pipeline.

3. The PAM anion multi-point dosing device for the high-efficiency sedimentation tank as claimed in claim 2, wherein: in the plurality of channels, one side of the medicine outlet hole far away from the medicine feeding port is provided with a blocking plate.

4. The PAM anion multi-point dosing device for the high-efficiency sedimentation tank as claimed in claim 3, wherein: the guide cylinder is provided with a lifting track, the annular dosing pipeline is fixedly connected with a sliding block and is in sliding fit with the lifting track through the sliding block, and a corrugated pipe is arranged between the dosing port and the dosing pump for connection.

5. The PAM anion multi-point dosing device for the high-efficiency sedimentation tank as claimed in claim 4, wherein: and a spray head capable of adjusting the flow is arranged at the medicine outlet.

6. The PAM anion multi-point dosing device for the high-efficiency sedimentation tank as claimed in claim 4, wherein: and a float flowmeter is arranged between the annular dosing pipeline and the dosing pump, and the medicament enters the annular dosing pipeline through the float flowmeter.