CN111362377A - Novel water purification process disinfectant and medicament adding system - Google Patents
Novel water purification process disinfectant and medicament adding system Download PDFInfo
- Publication number
- CN111362377A CN111362377A CN202010307236.5A CN202010307236A CN111362377A CN 111362377 A CN111362377 A CN 111362377A CN 202010307236 A CN202010307236 A CN 202010307236A CN 111362377 A CN111362377 A CN 111362377A
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- Prior art keywords
- main
- pipeline
- circulating
- disinfectant
- liquid
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000000645 desinfectant Substances 0.000 title claims abstract description 28
- 239000003814 drug Substances 0.000 title claims abstract description 26
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005660 chlorination reaction Methods 0.000 abstract description 4
- 238000007726 management method Methods 0.000 abstract description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 11
- 229910052801 chlorine Inorganic materials 0.000 description 11
- 239000000460 chlorine Substances 0.000 description 11
- 239000008394 flocculating agent Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- -1 respectively Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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)
- General Chemical & Material Sciences (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a novel water purification process disinfectant and a medicament adding system, which comprises: the system comprises at least one liquid storage tank, a first circulating main pipeline, a second circulating main pipeline, a third circulating main pipeline, a fourth circulating main pipeline, a main delivery pump, a standby delivery pump, a first pressure transmitter, a second pressure transmitter, a plurality of feeding branch pipelines, a plurality of electric flow regulating valves, a plurality of electromagnetic flow meters and a PLC (programmable logic controller), wherein the PLC is respectively connected with the main delivery pump, the standby delivery pump, the first pressure transmitter, the second pressure transmitter, each electric flow regulating valve and each electromagnetic flow meter. The invention can flexibly adjust the chlorination point and/or the dosing point according to the requirement, is convenient for the adjustment of operation management and better adapts to the actual production.
Description
Technical Field
The invention relates to the technical field of water purification processes, in particular to a novel water purification process disinfectant and a medicament adding system.
Background
The method is characterized in that disinfectant and medicament addition are one of very important links in the water purification process, the main function of chlorine addition is to inject the disinfectant into water, and meanwhile, the chlorine addition has a certain coagulation aiding effect, the water purification can be divided into front chlorine addition and rear chlorine addition according to the difference of chlorine addition positions and purposes, the medicament addition is mainly performed by adding a flocculating agent, and the flocculating agent is generally added in the mixing stage of the conventional treatment process. The traditional front chlorine adding, rear chlorine adding and flocculating agent adding are all carried out by point-to-point adding through a metering pump, and the device has the advantage of being convenient for accurately controlling the chlorine adding amount and the chemical adding amount. However, the practical experience of production proves that the chlorine feeding of the metering pump also has the obvious defect that the water demand changes according to seasons, the amplitude of the water supply capacity of a water plant is large, the actual adjustable range of chlorine feeding and chemical feeding of the metering pump is limited, the chlorine feeding and chemical feeding of the metering pump cannot be completely adapted to the water quantity change, the feeding amount is inaccurate, and the disinfection and flocculation effects are influenced. On the other hand, for a water plant with a plurality of water purification production lines, a considerable number of metering pumps are required to be arranged for front chlorination, rear chlorination and dosing, and sometimes, tens of metering pumps or even dozens of metering pumps are required to be arranged in a water plant with a large scale, so that the operation and management are inconvenient, and the workload of daily maintenance and overhaul is large.
The applicant has therefore made an advantageous search and attempt to solve the above-mentioned problems, in the context of which the technical solutions to be described below have been created.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, a novel water purification process disinfectant and a medicament adding system are provided.
The technical problem to be solved by the invention can be realized by adopting the following technical scheme:
a novel water purification process disinfectant and medicament dosing system comprises:
at least one reservoir for holding a disinfectant or medicament;
the middle part of the first main circulation pipeline is respectively connected with a liquid outlet of each liquid storage pool through a bypass branch pipeline, one end of the second main circulation pipeline and one end of the third main circulation pipeline are respectively connected to one end of the fourth main circulation pipeline, and the other end of the fourth main circulation pipeline extends to be positioned above each liquid storage pool;
the liquid conveying inlet end of the main conveying pump is connected with one end of the first circulating main pipeline, and the liquid conveying outlet ends of the main conveying pump are respectively connected to the other ends of the second circulating main pipeline and the third circulating main pipeline in parallel;
the liquid conveying inlet end of the standby conveying pump is connected with the other end of the first circulating main pipeline, and the liquid conveying outlet ends of the standby conveying pump are respectively connected in parallel to the middle parts of the second circulating main pipeline and the third circulating main pipeline;
the first pressure transmitter and the second pressure transmitter are respectively arranged on the second circulating main pipeline and the third circulating main pipeline;
one end of each feeding branch pipeline is connected to the second and third circulating main pipelines in parallel, and the other end of each feeding branch pipeline is used as a feeding liquid outlet end for feeding disinfectant or medicament;
the electric flow regulating valves are respectively and correspondingly arranged on the feeding branch pipelines;
the electromagnetic flowmeters are respectively and correspondingly arranged on the feeding branch pipelines; and
and the PLC is respectively connected with the main delivery pump, the standby delivery pump, the first pressure transmitter, the second pressure transmitter, each electric flow regulating valve and each electromagnetic flowmeter.
In a preferred embodiment of the present invention, the present invention further comprises a water supply pipe, one end of the water supply pipe is connected to the water outlet end of the pressure water supply device, and the other end of the water supply pipe is respectively connected in parallel to the two ends of the first main circulation pipe and is located in front of the liquid inlet ends of the main and standby delivery pumps; and the rear sides of the liquid outlet ends of the main conveying pump and the standby conveying pump are respectively connected with a drain pipe in parallel for discharging the washed wastewater.
In a preferred embodiment of the present invention, the water supply pipe is further connected in parallel with at least one water supply branch pipe, and a water outlet end of the water supply branch pipe extends to a position above the liquid storage tank for adding water into the liquid storage tank.
In a preferred embodiment of the present invention, a bypass service valve set for servicing the electric flow control valve is additionally installed on each feeding branch pipeline at the electric flow control valve.
In a preferred embodiment of the present invention, the main delivery pump and the standby delivery pump are chemical acid-resistant delivery pumps.
In a preferred embodiment of the present invention, the first and second pressure transmitters are variable frequency pressure transmitters.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the adjustable range of the electric flow regulating valve is large, the adjustable range of the adding amount can be enlarged, and the electric flow regulating valve can better adapt to the change of the treated water amount no matter adding a disinfectant or adding a flocculating agent;
2. the invention adopts a main delivery pump or a standby delivery pump with large flow as the adding pump, greatly reduces the number of metering pumps, saves the investment and reduces the workload of maintenance and repair;
3. the invention can flexibly adjust the chlorination point and/or the dosing point according to the requirement, is convenient for the adjustment of operation management and better adapts to the actual production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1, a novel disinfectant and medicament dosing system for a water purification process is shown, which comprises liquid storage tanks 100a and 100b, main circulation pipelines 200a, 200b, 200c and 200d, a main delivery pump 300a, a standby delivery pump 300b, pressure transmitters 400a and 400b, seven dosing branch pipelines 500, seven electric flow regulating valves 600, seven electromagnetic flow meters 700 and a PLC controller (not shown).
The liquid storage tanks 100a and 100b are used for storing disinfectant or medicament, respectively, and a liquid outlet is formed at the bottom of the liquid storage tanks.
The middle part of the main circulation pipeline 200a is respectively connected with the liquid outlets of the liquid storage tanks 100a and 100b through bypass branch pipelines 210a and 220a, one ends of the main circulation pipelines 200b and 200c are respectively connected to one end of the main circulation pipeline 200d, the other end of the main circulation pipeline 200d is respectively extended to the positions above the liquid storage tanks 100a and 100b, and the main circulation pipeline 200d is used for enabling redundant disinfectants or medicaments in the circulation pipeline to flow back into the liquid storage tanks 100a and 100 b.
The liquid inlet end of the main delivery pump 300a is connected with one end of the main circulation pipeline 200a, and the liquid outlet end is respectively connected with the other ends of the main circulation pipelines 200b and 200c in parallel. In the present embodiment, the primary delivery pump 300a is preferably a chemical acid-resistant delivery pump.
The liquid inlet end of the standby delivery pump 300b is connected with the other end of the main circulation pipeline 200a, and the liquid outlet ends are respectively connected in parallel with the middle parts of the main circulation pipelines 200b and 200 c. In the present embodiment, the standby delivery pump 300b is preferably a chemical acid-resistant delivery pump.
One end of each of the seven feeding branch pipelines 500 is connected in parallel to the main circulating pipelines 200b and 200c, and the other end of each of the seven feeding branch pipelines 500 is used as a feeding liquid outlet end for feeding the disinfectant or the medicament, namely, each feeding branch pipeline 500 corresponds to a feeding point.
Seven electric flow regulating valves 600 are respectively and correspondingly arranged on the seven feeding branch pipelines 500.
Seven electromagnetic flowmeters 700 are respectively and correspondingly arranged on the seven feeding branch pipelines 500.
The PLC controller is respectively connected with the main delivery pump 300a, the standby delivery pump 300b, the pressure transmitters 400a and 400b, the seven electric flow regulating valves 600 and the seven electromagnetic flow meters 700.
The invention is provided with two main delivery pumps 300a and standby delivery pumps 300b with larger flow and lift, wherein the main delivery pumps 300a and the standby delivery pumps 300b are both provided with frequency converters, and the operation range of the pumps can be adjusted. When the main delivery pump 300a fails or is repaired and maintained, the standby delivery pump 300b is adopted to deliver the disinfectant or the medicament, so that the normal production is not influenced. When the standby delivery pump 300b is required to work, the switching can be performed through a valve installed on a pipeline. The disinfectant or the medicament liquid in the medicament storage tank is pressed into the main delivery pump 300a or the standby delivery pump 300b through the pipeline, is pressurized and then enters an annular main pipe to form circulation of the disinfectant or the medicament, then a plurality of paths of feeding branch pipelines 500 are connected to the annular main pipe, meanwhile, an electric flow regulating valve 600 and an electromagnetic flow meter 700 are respectively installed on the feeding branch pipelines 500, feeding flow readings are collected in real time through the electromagnetic flow meter 700 through a PLC controller and uploaded to a remote control center, an operator can control the electric flow regulating valve 600 according to the feeding flow readings and water quantity data, the feeding quantity is further finely adjusted, and the feeding quantity is accurately controlled.
The novel water purification process disinfectant and medicament dosing system further comprises a water supply pipe 800, one end of the water supply pipe 800 is connected with the water outlet end of the pressure water supply device, and the other end of the water supply pipe is connected in parallel to the two ends of the main circulation pipeline 200a and located in front of the conveying liquid inlet ends of the main conveying pump 300a and the standby conveying pump 300 b. The back sides of the liquid outlet ends of the main delivery pump 300a and the standby delivery pump 300b are respectively connected with drain pipes 810a and 810a in parallel, and the drain pipes 810a and 810a are used for discharging the flushed wastewater to a drain. During maintenance, the feeding pipeline and the main delivery pump 300a and/or the standby delivery pump 300b can be flushed by controlling water inflow through the valve. In addition, the water supply pipe 800 is also connected in parallel with water supply branch pipes 820a, 820b, and the water outlet ends of the water supply branch pipes 820a, 820b extend to the upper parts of the liquid storage tanks 100a, 100b respectively for adding water into the liquid storage tanks 100a, 100 b.
A bypass maintenance valve group 610 is additionally arranged at the position of the electric flow control valve 600 on each feeding branch pipeline 500 and is used for maintaining the electric flow control valve 600. When the electric flow control valve 600 breaks down, the maintenance valves in front of and behind the electric flow control valve 600 are closed, so that the electric flow control valve can be detached and maintained at any time, and the disinfectant or the flocculating agent can still be added through the bypass pipeline, so that the normal production cannot be influenced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A novel water purification process disinfectant and medicament dosing system is characterized by comprising:
at least one reservoir for holding a disinfectant or medicament;
the middle part of the first main circulation pipeline is respectively connected with a liquid outlet of each liquid storage pool through a bypass branch pipeline, one end of the second main circulation pipeline and one end of the third main circulation pipeline are respectively connected to one end of the fourth main circulation pipeline, and the other end of the fourth main circulation pipeline extends to be positioned above each liquid storage pool;
the liquid conveying inlet end of the main conveying pump is connected with one end of the first circulating main pipeline, and the liquid conveying outlet ends of the main conveying pump are respectively connected to the other ends of the second circulating main pipeline and the third circulating main pipeline in parallel;
the liquid conveying inlet end of the standby conveying pump is connected with the other end of the first circulating main pipeline, and the liquid conveying outlet ends of the standby conveying pump are respectively connected in parallel to the middle parts of the second circulating main pipeline and the third circulating main pipeline;
the first pressure transmitter and the second pressure transmitter are respectively arranged on the second circulating main pipeline and the third circulating main pipeline;
one end of each feeding branch pipeline is connected to the second and third circulating main pipelines in parallel, and the other end of each feeding branch pipeline is used as a feeding liquid outlet end for feeding disinfectant or medicament;
the electric flow regulating valves are respectively and correspondingly arranged on the feeding branch pipelines;
the electromagnetic flowmeters are respectively and correspondingly arranged on the feeding branch pipelines; and
and the PLC is respectively connected with the main delivery pump, the standby delivery pump, the first pressure transmitter, the second pressure transmitter, each electric flow regulating valve and each electromagnetic flowmeter.
2. The novel water purification process disinfectant and medicament dosing system as claimed in claim 1, further comprising a water supply pipe, wherein one end of the water supply pipe is connected with the water outlet end of the pressure water supply device, and the other end of the water supply pipe is respectively connected in parallel with the two ends of the first main circulation pipeline and is positioned in front of the conveying liquid inlet ends of the main conveying pump and the standby conveying pump; and the rear sides of the liquid outlet ends of the main conveying pump and the standby conveying pump are respectively connected with a drain pipe in parallel for discharging the washed wastewater.
3. The novel water purification process disinfectant and medicament dosing system as claimed in claim 2, wherein the water supply pipe is further connected in parallel with at least one water supply branch pipe, and the water outlet end of the water supply branch pipe extends to be located above the liquid storage tank and is used for adding water into the liquid storage tank.
4. The novel water purification process disinfectant and medicament adding system as claimed in claim 1, wherein a bypass service valve set for servicing the electric flow control valve is additionally installed at the position of the electric flow control valve on each adding branch pipeline.
5. The novel water purification process disinfectant and medicament dosing system of claim 1, wherein the primary delivery pump and the backup delivery pump are chemical acid-resistant delivery pumps.
6. The novel water purification process disinfectant and agent dosing system of claim 1, wherein the first and second pressure transmitters are variable frequency pressure transmitters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010307236.5A CN111362377A (en) | 2020-04-17 | 2020-04-17 | Novel water purification process disinfectant and medicament adding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010307236.5A CN111362377A (en) | 2020-04-17 | 2020-04-17 | Novel water purification process disinfectant and medicament adding system |
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| Publication Number | Publication Date |
|---|---|
| CN111362377A true CN111362377A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010307236.5A Pending CN111362377A (en) | 2020-04-17 | 2020-04-17 | Novel water purification process disinfectant and medicament adding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732229A (en) * | 2020-07-08 | 2020-10-02 | 南通派菲克水务技术有限公司 | Closed combined intelligent dosing equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201458799U (en) * | 2009-03-31 | 2010-05-12 | 上海穆特环保科技有限公司 | Automatic sodium hypochlorite solution feeding system |
| CN203012523U (en) * | 2012-12-31 | 2013-06-19 | 中蓝连海设计研究院 | Multi-pipeline parallel connection adding medicine system |
| CN210261168U (en) * | 2019-06-06 | 2020-04-07 | 天津科技大学 | Potassium permanganate adding device controlled by PLC |
| CN212050679U (en) * | 2020-04-17 | 2020-12-01 | 上海市水利工程设计研究院有限公司 | Novel water purification process disinfectant and medicament adding system |
-
2020
- 2020-04-17 CN CN202010307236.5A patent/CN111362377A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201458799U (en) * | 2009-03-31 | 2010-05-12 | 上海穆特环保科技有限公司 | Automatic sodium hypochlorite solution feeding system |
| CN203012523U (en) * | 2012-12-31 | 2013-06-19 | 中蓝连海设计研究院 | Multi-pipeline parallel connection adding medicine system |
| CN210261168U (en) * | 2019-06-06 | 2020-04-07 | 天津科技大学 | Potassium permanganate adding device controlled by PLC |
| CN212050679U (en) * | 2020-04-17 | 2020-12-01 | 上海市水利工程设计研究院有限公司 | Novel water purification process disinfectant and medicament adding system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732229A (en) * | 2020-07-08 | 2020-10-02 | 南通派菲克水务技术有限公司 | Closed combined intelligent dosing equipment |
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