CN106968291B - Method for preventing secondary pollution of water quality in secondary water supply water tank - Google Patents
Method for preventing secondary pollution of water quality in secondary water supply water tank Download PDFInfo
- Publication number
- CN106968291B CN106968291B CN201710224512.XA CN201710224512A CN106968291B CN 106968291 B CN106968291 B CN 106968291B CN 201710224512 A CN201710224512 A CN 201710224512A CN 106968291 B CN106968291 B CN 106968291B
- Authority
- CN
- China
- Prior art keywords
- water
- liquid level
- water tank
- set value
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 270
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000008400 supply water Substances 0.000 title claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 90
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000013178 mathematical model Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052801 chlorine Inorganic materials 0.000 abstract description 4
- 239000000460 chlorine Substances 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 abstract description 4
- 230000004083 survival effect Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/02—Methods or layout of installations for water supply for public or like main supply for industrial use
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/152—Water filtration
Abstract
The invention discloses a method for preventing secondary pollution of water quality in a secondary water supply water tank, which is characterized in that a liquid level meter is additionally arranged on the water tank of secondary water supply equipment, a high liquid level set value and a low liquid level set value are set in the water tank, a plurality of different test time periods are determined in the same day, and data are acquired in each test time period, wherein the data comprise the liquid level in the water tank and the time required by the water in the water tank to fall from the high liquid level set value to the low liquid level set value; calculating the water outlet flow of the water tank in the testing time period according to the acquired data; then calculating the average water outlet flow of a plurality of different test time periods; and then the residence rate of the residential community is calculated according to the average water outlet flow. The invention can greatly reduce the detention time of the clear water in the water tank, ensure the residual chlorine content of the clear water in the water tank, stop the growth of microorganisms and prevent the secondary pollution of water quality.
Description
Technical Field
The invention relates to the technical field of secondary water supply.
Background
When the secondary water supply complete equipment is designed, a matched water tank is arranged for guaranteeing domestic water consumption and continuous uninterrupted water supply, and the capacity of the water tank is designed to be large. Under the condition of normal operation of equipment, the water renewal time is longer, and after the residual chlorine capable of inhibiting the propagation of microorganisms in the tap water of the pipe network is consumed, the microorganisms in the water are propagated in large quantity, so that the secondary pollution of the water quality is caused.
The fundamental reason for this is that the water tank has a large capacity and a small amount of water, and the water stays for a long time, resulting in a decrease in the residual chlorine concentration. At present, domestic water tanks supply water, and water inlet control is only a simple liquid level control mode, namely, the water level in the water tank reaches a low limit position, a water inlet pipeline feeds water, and when the water level in the water tank reaches a high limit position, the water inlet is stopped. The second supply equipment is sometimes installed and used at the beginning, the residence rate of the residential area is low, and if the control mode is used, the problem of retention of clear water in the water tank is easily caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for preventing secondary pollution of water quality in a secondary water supply water tank, which can solve the problem of retention of clear water in the water tank caused by low residence rate of a community, small water consumption and simple water inlet control mode in the operation process of secondary water supply equipment.
The technical scheme of the invention is as follows: a method for preventing secondary pollution of water quality in a secondary water supply water tank is characterized in that a liquid level meter is additionally arranged on the water tank of secondary water supply equipment, a high liquid level set value and a low liquid level set value are set in the water tank, a plurality of different test time periods are determined in the same day, data are collected in each test time period, and the data comprise the time required by the liquid level in the water tank and the water in the water tank to fall from the high liquid level set value to the low liquid level set value; calculating the water outlet flow of the water tank in the testing time period according to the acquired data; then calculating the average water outlet flow of a plurality of different test time periods; and calculating the residence rate of the residential community according to the average water outlet flow.
Determining three different test time periods within the same day; the water outlet flow and the average water outlet flow of the water tank are calculated according to the following formula:
wherein: q1、Q2、Q3Respectively representing the water outlet flow of the water tank in three different test time periods;
t represents the water quantity for testing, X is a high liquid level set value, Y is a low liquid level set value, V represents the volume of the water tank, and H represents the highest water level value of the water tank;
t1、t2、t3respectively representing the time required by the water in the water tank to drop from a high liquid level set value to a low liquid level set value in three different test time periods;
The residence rate calculation formula of the residential community is as follows:
(1): and (3) calculating the number of the residents:
(2): residential occupancy rate calculation
R=P/N
Wherein: p represents the number of households in the house,
the average water consumption of each user is shown, R represents the occupancy rate of the cell, and N represents the total number of the cell users.
The secondary water supply equipment also comprises a control system; automatically collecting data by a control system on 1 day per month, and collecting the data three times per day; three test time periods in the same day are respectively arranged at 6: 30-8 of 1 day per month: 00, 11: 30-13: 00, 17: 30-19: 00.
presetting a mathematical model required for calculating the residence rate of the residential community in the control system, and calculating the residence rate of the residential community through the mathematical model in the control system; and according to the calculated residence rate of the residential community, the control system controls the water inflow of the water tank through the liquid level meter so that the water inflow of the water tank is matched with the residence rate of the residential community.
The control system determines the required water inlet height according to the residence rate of the residential community, thereby controlling the water inlet amount of the water tank and enabling the water storage amount in the water tank to be matched with the residence rate of the residential community;
when 10 is more than or equal to R>When 0, the water inlet height is set to be L1
When 30 is more than or equal to R>Setting the water inlet height to be L when 10 hours are needed2
When 70 is more than or equal to R>Setting the water inlet height to be L at 30 DEG C3
When 100 ≧ R>Setting the water inlet height to be L at 70 DEG4
Wherein L is1Is 1/5H, L2Is 2/5H, L3Is 3/5H, L 44/5H.
The process of collecting data in each test period comprises the following steps:
A. preparing for collecting data;
B. collecting current liquid level data, and starting water inlet of a water tank;
c. When the liquid level in the water tank reaches a high liquid level set value, well recording liquid level data, closing water inlet of the water tank, starting a constant-pressure water supply program, and starting timing;
D. when the liquid level in the water tank reaches a low liquid level set value, recording the liquid level data, and recording the time for the liquid level to fall from a high liquid level set value to a low liquid level set value;
E. and finishing data acquisition.
The method for preventing secondary pollution of water quality in the secondary water supply tank comprises the following steps:
① adding a liquid level meter on the water tank;
② collecting data;
③ calculating water flow, and judging residence rate of residential;
④ controlling the water inflow to match the water inflow with the residence rate of the residents in the community.
The secondary water supply equipment comprises a water tank, a water inlet pipe, a water outlet device, a sewage discharge device, a PLC (programmable logic controller), a frequency converter, a liquid level meter arranged in the water tank and a liquid level transmitter connected with the liquid level meter; the water outlet device comprises a water outlet pipe, a gate valve, a first butterfly valve, a water pump, a second butterfly valve, a check valve, an electric contact pressure gauge, a pressure transmitter and a pressure stabilizing balancer; the water inlet pipe, the water outlet device and the sewage discharging device are all connected with the water tank; the water pump and the pressure transmitter are connected with the frequency converter through signal lines, the liquid level transmitter, the electric contact pressure gauge and the frequency converter are connected with the PLC through signal lines, a control system is installed on the PLC, and a mathematical model required for calculating the residence rate of residents in the residential area is preset in the control system.
The invention can greatly reduce the detention time of the clear water in the water tank, ensure the residual chlorine content of the clear water in the water tank, stop the growth of microorganisms and prevent the secondary pollution of water quality. Therefore, the problem that clear water in a water tank is retained due to low residence rate of a community, small water consumption and simple water inlet control mode in the operation process of secondary water supply equipment is solved.
Drawings
FIG. 1 is a schematic diagram of a secondary water supply apparatus in an embodiment of the present invention;
FIG. 2 is a flow chart of data collection in an embodiment of the present invention;
in the figure: 1-water tank, 2-liquid level transmitter, 3-water inlet pipe, 4-butterfly valve I, 5-water pump, 6-butterfly valve II, 7-check valve, 8-electric contact pressure gauge, 9-PLC controller, 10-frequency converter, 11-pressure transmitter, 12-pressure-stabilizing balancer, 13-signal line, 14-water outlet pipe, 15-gate valve and 16-blow-down valve.
Detailed Description
Referring to fig. 1, the secondary water supply equipment includes a water tank 1, a water inlet pipe 3, a water outlet device, a sewage discharge device, a PLC controller 9, a frequency converter 10, a liquid level meter installed in the water tank, and a liquid level transmitter 2 connected to the liquid level meter. The water outlet device comprises a water outlet pipe 14, a gate valve 15, a first butterfly valve 4, a water pump 5, a second butterfly valve 6, a check valve 7, an electric contact pressure gauge 8, a pressure transmitter 11 and a pressure-stabilizing pressure balancer 12. The waste fitting includes a waste valve 16. The water inlet pipe, the water outlet device and the sewage discharging device are all connected with the water tank; the water pump and the pressure transmitter are both connected with the frequency converter through signal wires. The liquid level transmitter, the electric contact pressure gauge and the frequency converter are all connected with a PLC controller through signal lines 13, and a control system is installed on the PLC controller. The water inlet pipe is connected with a municipal pipe network and is provided with a water inlet valve.
The residential residence rate judgment algorithm of the community: the water tank is additionally provided with a liquid level meter, the control system records the liquid level in the water tank for many times in a circulating mode within a data acquisition test time period to obtain the water outlet flow rate in the water tank within the test time period, and the residence rate of the residents in the current community is calculated through a mathematical model in the control system. After the control system judges the survival rate, the water inflow can be controlled through the liquid level meter, so that the water inflow is matched with the survival rate of the residents in the community at the moment. The above algorithm, the plant control system is performed periodically.
The method for preventing secondary pollution of water quality in the secondary water supply tank comprises the following steps:
1. a liquid level meter is additionally arranged in the water tank;
2. collecting the liquid level in a period by the system; a cycle may be three different test periods within the same day of a month;
3. calculating water flow and judging the residence rate of users in the cell;
4. controlling the water inflow to match the survival rate.
Referring to fig. 2, the process of collecting data in each test period includes:
A. preparing for collecting data;
B. collecting current liquid level data, and starting water inlet of a water tank;
c. The control system records the liquid level data in the water tank and judges whether the liquid level in the water tank reaches a high liquid level set value (set high value); when the liquid level in the water tank does not reach the high liquid level set value, the water tank continues to feed water; when the liquid level in the water tank reaches a high liquid level set value, well recording liquid level data, closing water inlet of the water tank, starting a constant-pressure water supply program, and starting timing;
D. the control system records the liquid level data in the water tank and judges whether the liquid level in the water tank reaches a low liquid level set value (set low value); when the liquid level in the water tank does not reach the set value of the low liquid level, the constant-pressure water supply program is continued, and the water inlet of the water tank is continuously closed; when the liquid level in the water tank reaches a low liquid level set value, recording the liquid level data, and recording the time for the liquid level to fall from a high liquid level set value to a low liquid level set value;
E. and finishing data acquisition.
The data acquisition program is automatically carried out by a system 1 day per month, 3 times of acquisition are respectively carried out, and the test time period is arranged to be 6: 30-8: 00, 11: 30-13: 00, 17: 30-19: 00; the collection times are respectively t1、t2、t3。
The specific calculation method is as follows:
1. calculating a factor
Volume of water tank V (m)3）
Maximum water level value H (m) of the water tank: highest water level storable in water tank
High level set point (set high value) X (m)
Low level set point (set Low) Y (m)
Testing water consumption T = (X-Y)/H V (m-weight cultivation)
The meaning of the calculation formula is: dividing the water height by the water tank height to calculate a ratio, and multiplying the ratio by the water tank capacity to obtain the water consumption T (m-year).
Time t required for liquid level to descend from X → Y1、t2、t3（h）
Average water consumption per household
=0.002(m³/h)，
Is a known constant
Total number of users N (family) in cell where equipment is located
2. Calculation process
(1) Water flow Q1、Q2、Q3Computing
Q1= T/t1(m³/h)
Q2= T/t2(m³/h)
Q3= T/t3(m³/h)
Average water outlet flow
(2) Cell occupancy determination
Number of residents
Occupancy calculation
R=P/N（%）
3. Residential quarter residence rate interval judgment and corresponding water inlet height setting
When 10 is more than or equal to R>0, setting the water inlet height L1
When 30 is more than or equal to R>Setting water inlet height L at 10 hours2
When 70 is more than or equal to R>Setting the water inlet height L at 30 hours3
When 100 ≧ R>Setting the water inlet height L at 70 h4
L1Is 1/5H, L2Is 2/5H, L3Is 3/5H, L 44/5H. The water inlet height is the height of the liquid level in the water tank after the water inlet is finished.
The secondary water supply equipment intelligent regulation is intake: after the intelligent judgment algorithm of the water supply equipment is completed in the first and second times of the month, the control system calculates a value (L) according to the obtained water inlet height1、L2、L3、 L4) And the water inlet amount of the water tank is controlled, so that the water storage amount in the water tank is matched with the living rate of residential households, and the phenomenon that clear water is retained in the water tank is avoided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. A method for preventing secondary pollution of water quality in a secondary water supply water tank is characterized in that a liquid level meter is additionally arranged on the water tank of secondary water supply equipment, a high liquid level set value and a low liquid level set value are set in the water tank, a plurality of different test time periods are determined in the same day, data are collected in each test time period, and the data comprise the liquid level in the water tank and the time required for the water in the water tank to fall from the high liquid level set value to the low liquid level set value; calculating the water outlet flow of the water tank in the testing time period according to the acquired data; then calculating the average water outlet flow of a plurality of different test time periods; calculating the residence rate of the residential community according to the average water outlet flow; the secondary water supply equipment comprises a water tank, a water inlet pipe, a water outlet device, a sewage discharge device, a PLC (programmable logic controller), a frequency converter, a liquid level meter arranged in the water tank and a liquid level transmitter connected with the liquid level meter; the water outlet device comprises a water outlet pipe, a gate valve, a first butterfly valve, a water pump, a second butterfly valve, a check valve, an electric contact pressure gauge, a pressure transmitter and a pressure stabilizing balancer; the water inlet pipe, the water outlet device and the sewage discharging device are all connected with the water tank; the water pump and the pressure transmitter are connected with a frequency converter through signal lines, the liquid level transmitter, the electric contact pressure gauge and the frequency converter are connected with a PLC (programmable logic controller) through signal lines, and a control system is installed on the PLC;
the water inlet amount of the water tank is controlled by the secondary water supply equipment, so that the water storage amount in the water tank is matched with the living rate of residential households, the phenomenon of clear water detention in the water tank when the living rate of the residential households is low is avoided, and the secondary pollution to the water quality in the water tank is prevented.
2. The method for preventing secondary pollution of water quality in a secondary water supply tank as claimed in claim 1, wherein three different test periods are determined within the same day; the water outlet flow and the average water outlet flow of the water tank are calculated according to the following formula:
wherein: q1、Q2、Q3Respectively representing the water outlet flow of the water tank in three different test time periods;
t represents the water quantity for testing, X is a high liquid level set value, Y is a low liquid level set value, V represents the volume of the water tank, and H represents the highest water level value of the water tank;
t1、t2、t3respectively representing the time required by the water in the water tank to drop from a high liquid level set value to a low liquid level set value in three different test time periods;
3. The method for preventing secondary pollution of water quality in a secondary water supply tank as claimed in claim 2, wherein the residential occupancy calculation formula is as follows:
(1): and (3) calculating the number of the residents:
(2): residential occupancy rate calculation
R=P/N
Wherein: p represents the number of households in the house,
the average water consumption of each user is shown, R represents the occupancy rate of the cell, and N represents the total number of the cell users.
4. The method for preventing secondary pollution of water quality in a secondary water supply tank as claimed in claim 1, wherein the data is automatically collected by the control system 1 day per month, and the collection is performed three times per day; three test time periods in the same day are respectively arranged at 6: 30-8 of 1 day per month: 00, 11: 30-13: 00, 17: 30-19: 00.
5. the method for preventing secondary pollution of water quality in a secondary water supply tank as claimed in claim 3, wherein a mathematical model for calculating the residence rate of the residential community is preset in the control system, and the residence rate of the residential community is calculated through the mathematical model in the control system; and according to the calculated residence rate of the residential community, the control system controls the water inflow of the water tank through the liquid level meter so that the water inflow of the water tank is matched with the residence rate of the residential community.
6. The method for preventing secondary pollution of water quality in a secondary water supply tank as claimed in claim 1, wherein the process of collecting data in each test period comprises:
A. preparing for collecting data;
B. collecting current liquid level data, and starting water inlet of a water tank;
c. When the liquid level in the water tank reaches a high liquid level set value, well recording liquid level data, closing water inlet of the water tank, starting a constant-pressure water supply program, and starting timing;
D. when the liquid level in the water tank reaches a low liquid level set value, recording the liquid level data, and recording the time for the liquid level to fall from a high liquid level set value to a low liquid level set value;
E. and finishing data acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224512.XA CN106968291B (en) | 2017-04-07 | 2017-04-07 | Method for preventing secondary pollution of water quality in secondary water supply water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224512.XA CN106968291B (en) | 2017-04-07 | 2017-04-07 | Method for preventing secondary pollution of water quality in secondary water supply water tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106968291A CN106968291A (en) | 2017-07-21 |
| CN106968291B true CN106968291B (en) | 2020-04-17 |
Family
ID=59336585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710224512.XA Active CN106968291B (en) | 2017-04-07 | 2017-04-07 | Method for preventing secondary pollution of water quality in secondary water supply water tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968291B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112667953B (en) * | 2020-12-15 | 2023-07-07 | 重庆昕晟环保科技有限公司 | Combined water supply method for secondary water supply high-level water tank and low-level water tank |
| CN113309173B (en) * | 2021-05-26 | 2022-05-27 | 苏宝炜 | Water supply system optimization method and adjustment method for community water supply system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204098146U (en) * | 2014-07-31 | 2015-01-14 | 苏州工业园区清源华衍水务有限公司 | A kind of secondary water-supply water supply tank |
| CN204112415U (en) * | 2014-10-20 | 2015-01-21 | 湖北中天鸿源房地产开发有限责任公司 | In highrise building without negative pressure energy-saving supply equipment |
| KR101625929B1 (en) * | 2015-08-21 | 2016-05-31 | 최시환 | Apparatus for equally distributing and supplying water of a reservoir according to estimated water-consumption |
| CN105804162A (en) * | 2016-05-09 | 2016-07-27 | 东北电力大学 | Automatic control system preventing hydropexis deterioration of chamber water and method thereof |
| EP3064655A1 (en) * | 2013-10-28 | 2016-09-07 | Shandong Huateng Environmental Protection Automation Co. Ltd. | Train water supply apparatus and control method therefor |
-
2017
- 2017-04-07 CN CN201710224512.XA patent/CN106968291B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3064655A1 (en) * | 2013-10-28 | 2016-09-07 | Shandong Huateng Environmental Protection Automation Co. Ltd. | Train water supply apparatus and control method therefor |
| CN204098146U (en) * | 2014-07-31 | 2015-01-14 | 苏州工业园区清源华衍水务有限公司 | A kind of secondary water-supply water supply tank |
| CN204112415U (en) * | 2014-10-20 | 2015-01-21 | 湖北中天鸿源房地产开发有限责任公司 | In highrise building without negative pressure energy-saving supply equipment |
| KR101625929B1 (en) * | 2015-08-21 | 2016-05-31 | 최시환 | Apparatus for equally distributing and supplying water of a reservoir according to estimated water-consumption |
| CN105804162A (en) * | 2016-05-09 | 2016-07-27 | 东北电力大学 | Automatic control system preventing hydropexis deterioration of chamber water and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106968291A (en) | 2017-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105068567B (en) | Water supply network based on water tank is regulated and stored method | |
| CN204112415U (en) | In highrise building without negative pressure energy-saving supply equipment | |
| CN103981832B (en) | Urban small river ecological moisturizing dispatching method and system | |
| CN110258723B (en) | Quantitative water supply method for secondary water supply and storage equipment | |
| CN111943292B (en) | Method, device and system for treating high-load sewage by coupling storage tank | |
| CN105155651A (en) | Negative pressure drainage system and drainage method | |
| CN110264067B (en) | Method for calculating inlet flow of secondary water supply and storage equipment | |
| CN110258722B (en) | Water supply method of volume-variable secondary water supply and storage equipment | |
| CN109704463B (en) | Carbon optimization feeding system of AAO process sewage treatment plant | |
| CN106567427A (en) | Regulation and control device for water supply flows in peak period of water supply factory and method of regulation and control device | |
| CN106968291B (en) | Method for preventing secondary pollution of water quality in secondary water supply water tank | |
| CN113093825A (en) | District water pressure regulation and leakage control analog system | |
| CN113822541A (en) | Sewage plant station network scheduling method and system | |
| CN102053615A (en) | Unsteady-state sectional influent water depth nitrogen and phosphorus removal process control system and control method | |
| CN117132020A (en) | Water tank water age optimization method and system based on secondary water supply | |
| CN110436609B (en) | Intelligent sewage treatment aeration control method with self-learning function | |
| CN112645441A (en) | Operation early warning system and method for dispersed micro sewage treatment device | |
| CN112067264A (en) | System and method for testing current limiting effect of cut-off device | |
| CN104571164A (en) | Online concentration multiple control method and device | |
| CN112502950A (en) | Sectional drainage control method for water storage bin of drainage pump station | |
| WO2023040007A1 (en) | Total chlorine guarantee method and system for secondary water supply and storage device based on water age control | |
| CN110204021B (en) | Faucet water quality guarantee method based on user feedback | |
| CN204270187U (en) | A kind of Intelligent running water automation control system | |
| CN112663721B (en) | Intelligent water supply method of secondary water supply tank | |
| CN212655595U (en) | Automatic control system for water quality of high-level water collecting cooling tower of thermal power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Factory Building No. 7, No. 9 Zhongda Road, Tianyuan District, Zhuzhou City, Hunan Province, 2007 Patentee after: Hunan Fengyuan Smart Water Service Co.,Ltd. Address before: Factory Building No. 7, No. 9 Zhongda Road, Tianyuan District, Zhuzhou City, Hunan Province, 2007 Patentee before: HUNAN GUANGYUAN WATER SUPPLY EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |