CN117049624A - Medicine-adding simulation experiment device for water purification plant - Google Patents

Medicine-adding simulation experiment device for water purification plant Download PDF

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Publication number
CN117049624A
CN117049624A CN202311314793.XA CN202311314793A CN117049624A CN 117049624 A CN117049624 A CN 117049624A CN 202311314793 A CN202311314793 A CN 202311314793A CN 117049624 A CN117049624 A CN 117049624A
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China
Prior art keywords
inclined tube
tube sedimentation
water
simulation experiment
purification plant
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CN202311314793.XA
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Chinese (zh)
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CN117049624B (en
Inventor
李建
姜艳艳
赵智勇
张海超
张雪薇
张坤
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Hebei Zhonghan Water Co ltd
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Hebei Zhonghan Water Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/10Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention relates to a dosing simulation experiment device of a water purification plant, which comprises a vortex reaction area, a advection sedimentation area, an inclined tube sedimentation area and a detection area, wherein the vortex reaction area comprises a first runner formed by vortex-shaped guide plates, water is injected into the inner end of the first runner, water is discharged from the outer end of the first runner, a plurality of partition plates are arranged in the first runner along the water flow direction, a first guide hole is formed in the upper part or the lower part of each partition plate, the opening parts of the first guide holes on adjacent partition plates are opposite from top to bottom, and the upper part of the inner end of each first runner corresponds to the liquid outlet of a liquid injection tube; the horizontal sedimentation zone comprises a box body, one end of the box body is communicated with the water outlet end of the first flow channel, the other end of the box body is provided with an inclined tube sedimentation zone, the inclined tube sedimentation zone comprises an inclined tube sedimentation cavity, the lower part of the side wall of the inclined tube sedimentation cavity is provided with a second diversion hole, and the upper part of the inclined tube sedimentation cavity is uniformly provided with a plurality of inclined tubes; the outside of the inclined tube sedimentation cavity is provided with a detection area, and the detection area comprises a detection box which is fixedly arranged with the inclined tube sedimentation cavity.

Description

Medicine-adding simulation experiment device for water purification plant
Technical Field
The invention belongs to the technical field of water purification equipment, and particularly relates to a dosing simulation experiment device for a water purification plant.
Background
As tap water production enterprises, how to dynamically determine the optimal medicament adding amount, particularly the ratio of multiple medicaments according to the change of the water quality of source water by a medicament adding system, so as to balance the water quality and the cost, is a general concern in the water purifying industry and is a problem to be solved urgently.
At present, most enterprises rely on manual sampling, assaying and analyzing source water, control the dosing amount by experience, control the dosing amount, and simply regulate and control the dosing in proportion, thus having the problems of hysteresis and poor precision. In some water plants, techniques such as model feedback control have been tried in recent years, but the problems of low feedback control accuracy, low speed, inability to adjust control strategies according to abrupt changes in water quality and the like are still faced.
Based on the above, we have developed a kind of water purification plant dosing simulation experiment device, can simulate "real-time simulation experiment" that multiple medicament was dosed, the medicament mixes fully, and occupation of land space is little, feedback control precision is high, fast. In the actual production process, the experimental device can assist in establishing a mathematical model and automatically correcting, so that the purposes of stabilizing the water quality of the effluent, rapidly coping with sudden water quality changes and saving the dosage are achieved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a dosing simulation experiment device for a water purification plant, which can simulate a 'real-time simulation experiment' of dosing of various medicaments, and has the advantages of full medicament mixing, small occupied space, high feedback control precision and high speed.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a water purification plant adds medicine emulation experimental apparatus, it includes vortex reaction zone, advection sedimentation zone, inclined tube sedimentation zone and detection zone, vortex reaction zone includes the first runner that vortex form of guide plate, first runner inner water injection, outer end play water, be provided with a plurality of baffles along the rivers direction in the first runner, first water conservancy diversion hole has been seted up to baffle upper portion or lower part, and the first water conservancy diversion hole on the adjacent baffle sets up the position about opposite, the upper side corresponds with the liquid outlet of notes liquid pipe in the first runner inner end;
the horizontal sedimentation zone comprises a box body, one end of the box body is communicated with the water outlet end of the first flow channel, the other end of the box body is provided with an inclined tube sedimentation zone, the inclined tube sedimentation zone comprises an inclined tube sedimentation cavity, the lower part of the side wall of the inclined tube sedimentation cavity is provided with a second diversion hole, and the upper part of the inclined tube sedimentation cavity is uniformly provided with a plurality of inclined tubes;
the outer side of the inclined tube sedimentation cavity is provided with a detection area, the detection area comprises a detection box which is fixedly arranged with the inclined tube sedimentation cavity, the upper part of the side wall of the inclined tube sedimentation cavity is communicated with the detection box through a third deflector hole, and the detection box is provided with a detection device;
mud discharge pipelines are arranged at the bottoms of the vortex reaction zone, the advection sedimentation zone and the inclined tube sedimentation zone.
As one implementation mode of the invention, baffle plates are arranged on the front inner wall and the rear inner wall of the box body in a staggered way, S-shaped second flow passages are formed between the adjacent baffle plates and between the free ends of the baffle plates and the inner wall of the box body, the sludge discharge pipeline comprises a first sludge suction branch pipeline arranged at the bottom of the first flow passage, a second sludge suction branch pipeline arranged between the bottoms of the adjacent baffle plates in the second flow passage and a second sludge suction branch pipeline arranged at the bottom of the inclined tube sedimentation cavity, the first sludge suction branch pipeline and the second sludge suction branch pipeline are connected with a sludge suction main pipeline, and the sludge suction main pipeline is connected with the sludge discharge pump.
As one implementation mode of the invention, the liquid injection pipe is connected with a mixer, the mixer is respectively connected with a water inlet pipe and a plurality of dosing pipes, and metering pumps are arranged on the water inlet pipe and the dosing pipes.
As one implementation mode of the invention, the detection device is a multi-parameter water quality online analyzer, and can detect ph, turbidity and residual chlorine of water quality online in real time.
As one embodiment of the present invention, the partition boards and the central line of the guide plate are in the same plane, and the included angle between the adjacent partition boards is 90 °.
As one implementation mode of the invention, a blocking plate is fixedly arranged between the outermost baffle plate in the box body and the inner wall of the box body, the inclined tube sedimentation cavity is enclosed between the outermost baffle plate, the blocking plate and the box body, and the second diversion hole is arranged at the lower part of the blocking plate.
As an embodiment of the present invention, the present invention further comprises a PLC control device electrically connected to the sludge pump, the detection device, and each metering pump.
As one embodiment of the present invention, the medicine feeding pipes are provided with 3 to 6 medicine feeding pipes.
As an implementation mode of the invention, the upper part of the side wall of the detection box is provided with an overflow port.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
according to the dosing simulation experiment device for the water purification plant, disclosed by the invention, a plurality of dosing pipes can simulate a 'real-time simulation experiment' of dosing of a plurality of medicaments, the medicaments and water enter a vortex reaction zone from a mixer, advance in a vortex manner, turn up and down under the action of a baffle plate and a first deflector hole, and fully mix; the sedimentation adopts a mode of combining a advection sedimentation zone and an inclined tube sedimentation zone, and the S-shaped second flow channel and the vortex-shaped first flow channel in the vortex reaction zone realize the real simulation of production in a space as small as possible; the PLC control device is used for controlling the medicament to be added and receiving the detection data of the detection device, and performing data storage, processing and algorithm calculation to construct and optimize a data model, so that the feedback control precision is high and the speed is high.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of another angular structure of the present invention.
Fig. 3 is a schematic view of another angle structure of the present invention.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is a schematic top view of the present invention.
Fig. 6 is a schematic view of the structure of the separator in the present invention.
FIG. 7 is a schematic view of the construction of the sludge discharge pipeline according to the present invention.
FIG. 8 is a schematic view of the liquid feeding apparatus according to the present invention.
Wherein: 100 first runner, 200 second runner, 1 guide plate, 2 baffle, 3 first water conservancy diversion holes, 4 baffles, 5 boxes, 7 shutoff boards, 8 second water conservancy diversion holes, 9 third water conservancy diversion holes, 10 inclined tube sedimentation chambers, 11 inclined tubes, 12 detection boxes, 13 overflow ports, 14 water inlet pipes, 15 metering pumps, 16 connecting pipes, 1601 dosing pipes, 17 mixers, 18 liquid injection pipes, 19 detection devices, 20PLC controlling means, 21 first suction branch pipelines, 22 second suction branch pipelines, 23 suction total pipelines and 24 dredge pumps.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be clearly and completely described in connection with the following specific embodiments.
The device comprises a vortex reaction area, a advection sedimentation area, an inclined tube sedimentation area and a detection area, wherein the vortex reaction area comprises a first flow passage 100 formed by vortex-shaped guide plates 1, a bottom plate is fixedly arranged at the bottom of each guide plate 1, water is injected into the inner end of each first flow passage 100, water is discharged from the outer end of each guide plate, a plurality of partition plates 2 are arranged in each first flow passage 100 along the water flow direction, first guide holes 3 are formed in the upper part or the lower part of each partition plate 2, the opening positions of the first guide holes 3 on the adjacent partition plates 2 are opposite vertically, in the embodiment, the first guide holes 3 are formed in the upper end or the lower end of each partition plate 2, and the upper part of the inner end of each first flow passage 100 corresponds to the liquid outlet of a liquid injection pipe 18;
the advection sedimentation zone comprises a box body 5 with one end communicated with the water outlet end of the first flow channel 100, the other end of the box body 5 is provided with an inclined tube sedimentation zone, the inclined tube sedimentation zone comprises an inclined tube sedimentation cavity 10, the lower part of the side wall of the inclined tube sedimentation cavity 10 is provided with a second diversion hole 8, the upper part of the inclined tube sedimentation cavity 10 is uniformly provided with a plurality of inclined tubes 11, the lower end of each inclined tube 11 is arranged above the second diversion hole 8, the upper ends of the inclined tubes 11 are arranged below a third diversion hole 9, the inclined tubes 11 in the inclined tube sedimentation zone are obliquely arranged together, water flows from bottom to top, sediment can be stuck on the pipe wall, and can fall to the bottom under the action of dead weight after the sediment is more and is pumped by a mud discharge pipeline;
the outside of the inclined tube sedimentation chamber 10 is provided with a detection area, the detection area comprises a detection box 12 which is fixedly arranged with the inclined tube sedimentation chamber 10, the upper part of the side wall of the inclined tube sedimentation chamber 10 is communicated with the detection box 12 through a third diversion hole 9, a detection device 19 is arranged at the detection box 12 and is used for detecting the water quality of the supernatant at the upper part of the detection box 12, and the upper part of the side wall of the detection box 12 is provided with an overflow port 13, so that the supernatant is discharged from the overflow port 13;
mud discharge pipelines are arranged at the bottoms of the vortex reaction zone, the advection sedimentation zone and the inclined tube sedimentation zone.
The chemical adding simulation experiment device of the water purification plant can simulate a 'real-time simulation experiment' of adding various chemicals through a plurality of chemical adding pipes 1601, the chemicals and water enter a vortex reaction zone from a mixer 17, advance in a vortex manner, turn up and down under the action of a baffle plate 2 and a first diversion hole 3, and play a role of fully mixing; the sedimentation adopts a mode of combining a advection sedimentation zone and an inclined tube sedimentation zone, and the S-shaped second flow channel 200 and the vortex-shaped first flow channel 100 in the vortex reaction zone realize the real simulation of production in a space as small as possible.
Baffle 4 is alternately arranged on the front and rear inner walls of the box body 5, S-shaped second flow passages 200 are formed between adjacent baffle 4 and between the free ends of the baffle 4 and the inner walls of the box body 5, sediment in water flows in the second flow passages 200 and can sink to the bottom under the action of dead weight, as shown in fig. 7, the sludge discharge pipeline comprises a first sludge suction branch pipeline 21 arranged at the bottom of the first flow passage 100, a second sludge suction branch pipeline 22 arranged between the bottoms of adjacent baffle 4 in the second flow passage 100 and a second sludge suction branch pipeline 22 arranged at the bottom of the inclined tube sedimentation cavity 10, the first sludge suction branch pipeline 21 and the second sludge suction branch pipeline 22 are connected with a sludge suction total pipeline 23, and the sludge suction total pipeline 23 is connected with the sludge discharge pump 24.
As shown in fig. 8, the liquid injection pipe 18 is connected with a mixer 17, the mixer 17 is respectively connected with a water inlet pipe 14 and a plurality of dosing pipes 1601, and metering pumps 15 are arranged on the water inlet pipe 14 and the dosing pipes 1601. Specifically, the mixer 17 is connected to the inlet pipe 14 via a connecting pipe 16, a plurality of dosing pipes 1601 are connected to the connecting pipe 16, respectively, and the metering pump 15 is disposed on the inlet pipe 14 and the dosing pipes 1601.
The detection device 19 is a multi-parameter water quality online analyzer, and can detect ph, turbidity and residual chlorine of water quality online in real time.
In this embodiment, as shown in fig. 1, 5 and 6, the partition plates 2 and the central line of the baffle plate 1 are on the same plane, and the included angle between the adjacent partition plates 2 is 90 °.
In this embodiment, a plugging plate 7 is fixedly disposed between the outermost baffle 4 in the box 5 and the inner wall of the box 5, the inclined tube sedimentation chamber 10 is enclosed between the outermost baffle 4, the plugging plate 7 and the box 5, and the second diversion hole 8 is formed at the lower end of the plugging plate 7.
The medicine adding pipes 1601 are provided with 3 to 6 medicines such as carbon dioxide solution (carbonic acid), potassium permanganate solution, sodium hypochlorite solution, flocculant solution and the like according to the medicine variety quantity controlled by the customer.
The water purification plant dosing simulation experiment device also comprises a PLC control device 20 which is electrically connected with the sludge pump 24, the detection device 19 and each metering pump 15. The PLC control device 20 controls the medicament feeding and receives the detection data of the detection device 19, performs data storage, processing and algorithm calculation, builds and optimizes a data model, and has high feedback control precision and high speed.
Although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A water purification plant adds medicine simulation experiment device which characterized in that: the device comprises a vortex reaction zone, a advection sedimentation zone, an inclined tube sedimentation zone and a detection zone, wherein the vortex reaction zone comprises a first runner formed by vortex-shaped guide plates, water is injected into the inner end of the first runner, water is discharged from the outer end of the first runner, a plurality of partition plates are arranged in the first runner along the water flow direction, first guide holes are formed in the upper part or the lower part of each partition plate, the opening parts of the first guide holes on adjacent partition plates are opposite from top to bottom, and the upper part of the inner end of each first runner corresponds to the liquid outlet of a liquid injection pipe;
the horizontal sedimentation zone comprises a box body, one end of the box body is communicated with the water outlet end of the first flow channel, the other end of the box body is provided with an inclined tube sedimentation zone, the inclined tube sedimentation zone comprises an inclined tube sedimentation cavity, the lower part of the side wall of the inclined tube sedimentation cavity is provided with a second diversion hole, and the upper part of the inclined tube sedimentation cavity is uniformly provided with a plurality of inclined tubes;
the outer side of the inclined tube sedimentation cavity is provided with a detection area, the detection area comprises a detection box which is fixedly arranged with the inclined tube sedimentation cavity, the upper part of the side wall of the inclined tube sedimentation cavity is communicated with the detection box through a third deflector hole, and the detection box is provided with a detection device;
mud discharge pipelines are arranged at the bottoms of the vortex reaction zone, the advection sedimentation zone and the inclined tube sedimentation zone.
2. The water purification plant dosing simulation experiment device according to claim 1, wherein: the mud discharging pipeline comprises a first mud sucking branch pipeline arranged at the bottom of the first flow channel, a second mud sucking branch pipeline arranged between the bottoms of the adjacent baffles in the second flow channel and a second mud sucking branch pipeline arranged at the bottom of the inclined tube sedimentation cavity, wherein the first mud sucking branch pipeline and the second mud sucking branch pipeline are connected with a mud sucking main pipeline, and the mud sucking main pipeline is connected with a mud discharging pump.
3. The water purification plant dosing simulation experiment device according to claim 2, wherein: the liquid injection pipe is connected with the mixer, the mixer is respectively connected with the water inlet pipe and the plurality of dosing pipes, and metering pumps are arranged on the water inlet pipe and the dosing pipes.
4. The water purification plant dosing simulation experiment device according to claim 1, wherein: the detection device is a multi-parameter water quality online analyzer, and can detect ph, turbidity and residual chlorine of water quality online in real time.
5. The water purification plant dosing simulation experiment device according to claim 1, wherein: the partition boards and the central line of the guide plate are on the same plane, and the included angle between every two adjacent partition boards is 90 degrees.
6. The water purification plant dosing simulation experiment device according to claim 2, wherein: the baffle plate at the outermost side in the box body and the inner wall of the box body are fixedly provided with a plugging plate, the inclined tube sedimentation cavity is formed by the baffle plate at the outermost side, the plugging plate and the box body in a surrounding mode, and the lower portion of the plugging plate is provided with a second diversion hole.
7. A water purification plant dosing simulation experiment device according to claim 3, wherein: the device also comprises a PLC control device which is electrically connected with the sludge pump, the detection device and each metering pump.
8. A water purification plant dosing simulation experiment device according to claim 3, wherein: the number of the medicine adding pipes is 3-6.
9. The water purification plant dosing simulation experiment device according to claim 1, wherein: and an overflow port is formed in the upper part of the side wall of the detection box.
CN202311314793.XA 2023-10-12 2023-10-12 Medicine-adding simulation experiment device for water purification plant Active CN117049624B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100978939B1 (en) * 2010-06-01 2010-08-30 효림산업주식회사 Remote monitoring and automatic control device for complex pollution groundwater purification
CN201777950U (en) * 2010-08-09 2011-03-30 洛阳绿潮环保科技有限公司 Container type integrated water purifying equipment
CN106315797A (en) * 2016-08-18 2017-01-11 长江水利委员会长江科学院 Small fine dosing, coagulating and precipitating integrated device
CN107915346A (en) * 2017-11-20 2018-04-17 哈尔滨商业大学 A kind of center mixes concentric circular sector gallery grid flocculation sector tube settling integrated apparatus
CN108689475A (en) * 2018-07-02 2018-10-23 深圳清华大学研究院 Fenton oxidation baffled reactor and method for processing organic wastewater
CN109607938A (en) * 2018-12-06 2019-04-12 南方创业(天津)科技发展有限公司 A kind of integrated stabilization pond equipment and its treatment process handling distributed sewage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100978939B1 (en) * 2010-06-01 2010-08-30 효림산업주식회사 Remote monitoring and automatic control device for complex pollution groundwater purification
CN201777950U (en) * 2010-08-09 2011-03-30 洛阳绿潮环保科技有限公司 Container type integrated water purifying equipment
CN106315797A (en) * 2016-08-18 2017-01-11 长江水利委员会长江科学院 Small fine dosing, coagulating and precipitating integrated device
CN107915346A (en) * 2017-11-20 2018-04-17 哈尔滨商业大学 A kind of center mixes concentric circular sector gallery grid flocculation sector tube settling integrated apparatus
CN108689475A (en) * 2018-07-02 2018-10-23 深圳清华大学研究院 Fenton oxidation baffled reactor and method for processing organic wastewater
CN109607938A (en) * 2018-12-06 2019-04-12 南方创业(天津)科技发展有限公司 A kind of integrated stabilization pond equipment and its treatment process handling distributed sewage

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