CN106884458B - Method and system for preparing industrial fresh water - Google Patents
Method and system for preparing industrial fresh water Download PDFInfo
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- CN106884458B CN106884458B CN201510941186.5A CN201510941186A CN106884458B CN 106884458 B CN106884458 B CN 106884458B CN 201510941186 A CN201510941186 A CN 201510941186A CN 106884458 B CN106884458 B CN 106884458B
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Abstract
The invention provides a method and a system for configuring industrial fresh water, which comprises a small mixing tank, an underground water supply control device, a river water supply control device, a reservoir water supply control device, an advanced treatment reuse water supply control device, a turbidity monitoring device, a temperature monitoring device, an electric conductivity monitoring device, a data acquisition analysis and control device, a large water storage tank and a water delivery pipeline. The invention takes the original underground water as the only water source of the industrial new water, and changes the original underground water into four types of water, namely underground water, river water, reservoir water and advanced treatment reuse water, on the premise of ensuring the production requirement, the advanced treatment reuse water is used as much as possible, and then the reservoir water and the river water are used, so that the use amount of the underground water is minimized, the local ecological environment can be protected, the sustainable development is promoted, the use cost of the water resource can be effectively reduced, and the objective economic benefit is generated.
Description
Technical Field
The invention relates to the technical field of water resource environmental protection, in particular to a method and a system for preparing industrial fresh water.
Background
The steel industry is a water-consuming and pollution-discharging household in the industrial field, the water consumption accounts for about 14% of national industrial water consumption, and the discharged sewage accounts for about 12% of total industrial discharge. The twelfth five-year planning compendium for national economy and social development stipulates that the unit industrial incremental water consumption needs to be reduced by 30% during the twelve-five period. Meanwhile, the water conservancy department expresses day by day that the total water consumption of major water consumers in key areas can be controlled in the future. After the water use index is used, the newly added water amount can only be met by water right circulation and the use of a non-traditional water source.
Meanwhile, the Liaoning province Water Living office held a news release meeting in 2011 at 4 and 21 days, announces that the regulation of forbidding extracting underground water in Liaoning province is implemented from 2011 at 4 and 1 days, and forbids extracting underground water in various regions of the whole province, and the existing underground water taking project should be closed in a limited period. The dependence degree of the production water of the iron and steel enterprises on the underground water is higher, and the implementation of the prohibition of extracting the underground water has great influence on the production. Therefore, in order to maintain normal production activities of enterprises, it is important to develop an industrial new water composition optimization research.
The papers on the energy conservation and environmental protection of industrial water resources are as follows: 1. research on water cascade use modes of iron and steel union [ J ] mining industry promulgated, 2006 (10): 44-46, the article indicates that the whole technology of the production process of iron and steel enterprises is backward, the sewage treatment technology is low, the water utilization rate is low, and the serious waste and pollution of water resources are caused. Although many large-scale steel enterprises have adopted measures for recycling water, i.e. the wastewater is treated and reused in the original production process, the water utilization rate is still not high. In view of the problem, a new water cascade use mode of the integrated iron and steel enterprises is provided. The cascade water use mode is a water use mode in which wastewater discharged from an upstream water use and supply process (water quality meets the downstream production requirements) can be supplied to a downstream water use process without being treated. In iron and steel enterprises, the water quantity and water quality requirements of each process and production procedure have large difference, and the difference is convenient for implementing a cascade water consumption mode. The cascade water utilization mode relieves the contradiction of water resource supply and demand, improves the total available amount of water resources, but does not essentially optimize the industrial new water source.
Industrial water recycling and resource recovery [ M ] chinese construction industry press, 2007 Lens et al, put forward that sewage is suitably treated for reuse, i.e. the degree of treatment depends on the specific reuse application and the associated water quality requirements. The ecological industry also mentions the gradient use of resources such as water, i.e. graded water supply with high quality and high use and low quality and low use. The common idea is as follows: the reuse water can implement the multiple circulation water quality standard according to different reuse purposes, so as to produce water for users and reduce the wastewater treatment cost. The cost effectiveness of industrial water reuse depends on a number of industry-related factors, such as the amount and quality of water required, the distance between water resources and industrial users. The article does not mention the provision of optimization in water supply, focusing on the reuse of intermediate links.
3. Chua Jian an, Penyong Li, Bao Sheng, etc. Application of the method in metallurgical wastewater resource based on water quality level and GIS new algorithm [ C ]. Chinese society for environmental science academic annual meeting argument (2009). Beijing: the Beijing aerospace university Press, 2009: 563-.
The water use conditions of various domestic iron and steel enterprises are different, the treasure steel mainly uses purified river water, the Tang steel mainly uses urban reclaimed water reuse, and the first steel uses seawater desalination as industrial water. There are few reports on the water supply method using various water sources in combination.
Disclosure of Invention
The invention provides a method and a system for preparing industrial fresh water, which adjust the components of the industrial fresh water into four types of water, namely underground water, river water, reservoir water and advanced treatment reuse water, automatically adjust the inflow of each type of water by monitoring each parameter index of mixed water quality, increase the reuse of the intermediate water, reduce the exploitation of underground water resources, reduce the water cost, save the fund and protect the ecological environment on the premise of ensuring the safety and reliability of enterprise water.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for preparing industrial fresh water, the industrial fresh water is composed of four parts of underground water, river water, reservoir water and advanced treatment reuse water, the inflow of the four water is automatically adjusted according to the test indexes of various parameters of mixed water quality, on the premise of ensuring that the water quality of the industrial fresh water meets the production requirement, the usage of the advanced treatment reuse water is increased, and then the reservoir water and the river water are added, so that the usage of the underground water is minimized, specifically comprising the following steps:
1) the industrial fresh water consists of four parts, namely underground water, river water, reservoir water and advanced treatment reuse water, wherein the water quality indexes of the underground water are as follows: 12-14 ℃ and turbidity: 1.0-1.2NTU, conductivity: 480-S/cm, wherein the river water quality indexes are as follows: 13-15 ℃ and turbidity: 3.0-3.5NTU, conductivity: 530-550S/cm, the water quality index of reservoir water is temperature: 19-21 ℃ and turbidity: 4.5-5.0NTU, conductivity: 200-230S/cm, and the water quality indexes of the advanced treatment reuse water are as follows: 26-28 ℃ and turbidity: 2-2.5NTU, conductivity: 1950-;
2) the four kinds of water are respectively conveyed to a small mixing tank through respective conveying pipelines, and the water quality in the tank is fully mixed;
3) a turbidity monitoring device, a temperature monitoring device and a conductivity monitoring device which are arranged in the system respectively and accurately measure the turbidity, the temperature and the conductivity index of the water quality mixed in the small mixing tank in real time, and simultaneously transmit data to a data acquisition, analysis and control device;
4) the data acquisition analysis and control device adjusts the underground water supply control device, the river water supply control device, the reservoir water supply control device and the advanced treatment reuse water supply control device according to the analysis result to regulate and control, controls the respective flow of the underground water, the river water, the reservoir water and the advanced treatment reuse water in the pipeline, and keeps the total sum of the flow unchanged, so that the water quality can meet the production requirement: the temperature is less than 24 ℃, the turbidity is less than 4NTU, and the conductivity is less than 600S/cm.
The system comprises a small-sized mixing pool, an underground water supply control device, a river water supply control device, a reservoir water supply control device, an advanced treatment recycled water supply control device, a turbidity monitoring device, a temperature monitoring device, a conductivity monitoring device, a data acquisition analysis and control device, a large-sized water storage pool and a water delivery pipeline, wherein the small-sized mixing pool is respectively connected with the underground water supply water delivery pipeline, the river water supply water delivery pipeline, the reservoir water supply water delivery pipeline and the advanced treatment recycled water supply water delivery pipeline, the small-sized mixing pool is also communicated with the large-sized water storage pool, and the underground water supply water delivery pipeline, the river water supply water delivery pipeline, the reservoir water supply water delivery pipeline and the advanced treatment recycled water supply water delivery pipeline are respectively provided with the underground water supply control device, the river water supply control device, the temperature monitoring device, the conductivity monitoring device, reservoir water supply control device and advanced treatment reuse water supply control device, turbidity monitoring devices, temperature monitoring devices and conductivity monitoring devices install in small-size mixing tank, groundwater supply control device, river water supply control device, reservoir water supply control device, advanced treatment reuse water supply control device and turbidity monitoring devices, temperature monitoring devices and conductivity monitoring devices are connected respectively to data acquisition analysis and controlling means.
Compared with the prior art, the invention has the beneficial effects that:
the method can effectively reduce the cost of using industrial fresh water by enterprises, not only can relieve the tension of adopting underground water resources, but also can reduce the energy consumption of water taking, reduce the water purchasing cost and realize economic benefit.
Drawings
FIG. 1 is a schematic diagram of a system for deploying industrial fresh water in accordance with the present invention;
in the figure: 1-a small-sized mixing tank, 2-a groundwater supply control device, 3-a river water supply control device, 4-a reservoir water supply control device, 5-an advanced treatment reuse water supply control device, 6-a turbidity monitoring device, 7-a temperature monitoring device, 8-a conductivity monitoring device, 9-a data acquisition analysis and control device, 10-a large-sized water storage tank and 11-a water conveying pipeline.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, the method for preparing industrial fresh water of the present invention changes the original underground water as the only water source of the industrial fresh water into four types of water, namely, underground water, river water, reservoir water and advanced treatment reuse water, automatically adjusts the inflow of the four types of water according to the test indexes of various parameters of mixed water quality, and uses the advanced treatment reuse water and the reservoir water and the river water as much as possible on the premise of ensuring the production requirement, so that the usage amount of the underground water is minimized, thereby not only protecting the local ecological environment and promoting sustainable development, but also effectively reducing the use cost of water resources and generating objective economic benefit; the method specifically comprises the following steps:
1) the industrial fresh water consists of four parts, namely underground water, river water, reservoir water and advanced treatment reuse water, wherein the water quality indexes of the underground water are as follows: 12-14 ℃ and turbidity: 1.0-1.2NTU, conductivity: 480-S/cm, wherein the river water quality indexes are as follows: 13-15 ℃ and turbidity: 3.0-3.5NTU, conductivity: 530-550S/cm, the water quality index of reservoir water is temperature: 19-21 ℃ and turbidity: 4.5-5.0NTU, conductivity: 200-230S/cm, and the water quality indexes of the advanced treatment reuse water are as follows: 26-28 ℃ and turbidity: 2-2.5NTU, conductivity: 1950-;
2) the four kinds of water are respectively conveyed to the small mixing tank 1 through respective conveying pipelines 11, and the water quality in the tank is fully mixed;
3) a turbidity monitoring device 6, a temperature monitoring device 7 and a conductivity monitoring device 8 which are arranged in the system respectively and accurately measure the turbidity, the temperature and the conductivity index of the water quality after being mixed in the small mixing tank 1 in real time, and simultaneously transmit data to a data acquisition, analysis and control device 9;
4) the data acquisition, analysis and control device 9 adjusts the groundwater supply control device 2, the river water supply control device 3, the reservoir water supply control device 4 and the advanced treatment reuse water supply control device 5 according to the analysis result to regulate and control, controls the respective flow of groundwater, river water, reservoir water and advanced treatment reuse water in the pipeline, and the sum of the flow keeps unchanged, so that the water quality can meet the production requirement: the temperature is less than 24 ℃, the turbidity is less than 4NTU, and the conductivity is less than 600S/cm.
A system for configuring industrial fresh water adopted by a method for configuring industrial fresh water comprises a small-sized mixing pool 1, an underground water supply control device 2, a river water supply control device 3, a reservoir water supply control device 4, a deep treatment recycled water supply control device 5, a turbidity monitoring device 6, a temperature monitoring device 7, a conductivity monitoring device 8, a data acquisition analysis and control device 9, a large-sized water storage pool 10 and a water delivery pipeline 11, wherein the small-sized mixing pool 1 is respectively connected with the underground water supply water delivery pipeline 11, the river water supply water delivery pipeline 11, the reservoir water supply water delivery pipeline 11 and the deep treatment recycled water supply water delivery pipeline 11, the small-sized mixing pool 1 is also communicated with the large-sized water storage pool 10, and the underground water supply control device 2, the river water supply water delivery pipeline 11, the reservoir water supply water delivery pipeline 11 and the deep treatment recycled water supply water delivery pipeline 11 are respectively provided with the underground water supply control device 2, the river water supply water, River water supply control device 3, reservoir water supply control device 4 and advanced treatment reuse water supply control device 5, turbidity monitoring device 6, temperature monitoring device 7 and conductivity monitoring device 8 are installed in small-size mixing tank 1, groundwater supply control device 2, river water supply control device 3, reservoir water supply control device 4, advanced treatment reuse water supply control device 5 and turbidity monitoring device 6, temperature monitoring device 7 and conductivity monitoring device 8 are connected respectively to data acquisition analysis and controlling means 9.
The water delivery pipeline 11 can deliver four water sources, namely underground water, river water, reservoir water and advanced treatment reuse water into the small mixing tank 1;
the small mixing tank 1 can uniformly mix underground water, river water, reservoir water and advanced treatment reuse water conveyed by the water conveying pipeline 11 in the tank, and can ensure stable water quality characteristics after mixing;
the underground water supply control device 2, the river water supply control device 3, the reservoir water supply control device 4 and the advanced treatment reuse water supply control device 5 can respectively control the flow of underground water, river water, reservoir water and advanced treatment reuse water in the water conveying pipeline 11;
the turbidity monitoring device 6, the temperature monitoring device 7 and the conductivity monitoring device 8 can respectively and accurately measure the turbidity, the temperature and the conductivity index of the water quality after mixing in the small mixing tank 1 in real time, and simultaneously transmit data to the data acquisition, analysis and control device;
the data acquisition, analysis and control device 9 can acquire data information provided by the turbidity monitoring device 6, the temperature monitoring device 7 and the conductivity monitoring device 8, analyze and process results, regulate and control the underground water supply control device 2, the river water supply control device 3, the reservoir water supply control device 4 and the advanced treatment reuse water supply control device 5 on the basis of the data information, and adjust the respective flow rates of the underground water, the river water, the reservoir water and the advanced treatment reuse water in the pipeline 11.
The large-scale water storage tank 10 stores mixed water flowing into the small-scale mixing tank 1, enough surplus usage is guaranteed, the mixed water is used as an industrial new water source to provide each water unit inside an enterprise, and production operation is guaranteed.
The working process of the configuration system of the industrial fresh water is as follows:
groundwater water supply control device 2 carries groundwater to small-size mixing tank 1 through conduit 11 with certain flow, river water supply control device 3 carries the river after purifying to small-size mixing tank 1 through conduit 11 with certain flow, reservoir water supply control device 4 carries reservoir water to small-size mixing tank 1 through conduit 11 with certain flow, advanced treatment reuse water supply control device 5 carries the waste water after the inside advanced treatment of enterprise to small-size mixing tank 1 through conduit 11 with certain flow, above-mentioned four kinds of water sources carry out the homogeneous mixing in small-size mixing tank 1. The turbidity monitoring device 6 transmits the real-time monitoring result to the data acquisition analysis and control device 9, the temperature monitoring device 7 transmits the real-time monitoring result to the data acquisition analysis and control device 9, the conductivity monitoring device 8 transmits the real-time monitoring result to the data acquisition analysis and control device 9, the data acquisition analysis and control device 9 analyzes and compares the acquired data result, on the basis, the mixed water quality meets the production requirement by sending instruction information to the underground water supply control device 2, the river water supply control device 3, the reservoir water supply control device 4 and the advanced treatment reuse water supply control device 5, and the adjusted mixed water of the small mixing tank 1 flows into the large water storage tank 10 to serve as industrial fresh water, so that the production and operation of enterprises are ensured.
Example 1:
the standard of use of industrial fresh water mainly comprises three aspects of water temperature, turbidity and conductivity, wherein the temperature determines the cooling effect, and the turbidity and the conductivity have important influence on corrosion and scaling. The reservoir water, the advanced treatment reuse water, the river water, the underground water and the water quality after being mixed according to a certain proportion are shown in a table 1:
TABLE 1
Example 2:
the standard of use of industrial fresh water mainly comprises three aspects of water temperature, turbidity and conductivity, wherein the temperature determines the cooling effect, and the turbidity and the conductivity have important influence on corrosion and scaling. The reservoir water, the advanced treatment reuse water, the river water, the underground water and the water quality after being mixed according to a certain proportion are shown in the following table 2:
TABLE 2
Example 3:
the standard of use of industrial fresh water mainly comprises three aspects of water temperature, turbidity and conductivity, wherein the temperature determines the cooling effect, and the turbidity and the conductivity have important influence on corrosion and scaling. The reservoir water, the advanced treatment reuse water, the river water, the underground water and the water quality after being mixed according to a certain proportion are shown in a table 3:
TABLE 3
Example 4
The standard of use of industrial fresh water mainly comprises three aspects of water temperature, turbidity and conductivity, wherein the temperature determines the cooling effect, and the turbidity and the conductivity have important influence on corrosion and scaling. The reservoir water, the advanced treatment reuse water, the river water, the underground water and the water quality after being mixed according to a certain proportion are shown in the table 4:
TABLE 4
The results of the above examples and comparative cases are shown in table 5, and the results show that the standard requirements (temperature less than 24 ℃, turbidity less than 4, and conductivity less than 600S/cm) can be met by adjusting the proportion of each water type when four different water sources are mixed and used as industrial fresh water. Meanwhile, the adjustment can be made according to the actual requirement.
TABLE 5 Experimental results and comparison of examples
Claims (2)
1. A method for preparing industrial fresh water is characterized in that the industrial fresh water consists of four parts, namely underground water, river water, reservoir water and advanced treatment reuse water, inflow of the four kinds of water is automatically adjusted according to test indexes of various parameters of mixed water quality, on the premise that the quality of the industrial fresh water meets production requirements, the consumption of the advanced treatment reuse water is increased, and then the consumption of the reservoir water and the river water is reduced, so that the consumption of the underground water is minimized, and the method specifically comprises the following steps:
1) the industrial fresh water consists of four parts, namely underground water, river water, reservoir water and advanced treatment reuse water, wherein the water quality indexes of the underground water are as follows: 12-14 ℃ and turbidity: 1.0-1.2NTU, conductivity: 480-: 13-15 ℃ and turbidity: 3.0-3.5NTU, conductivity: 530-: 19-21 ℃ and turbidity: 4.5-5.0NTU, conductivity: 200-: 26-28 ℃ and turbidity: 2-2.5NTU, conductivity: 1950-;
2) the four kinds of water are respectively conveyed to a small mixing tank through respective conveying pipelines, and the water quality in the tank is fully mixed;
3) a turbidity monitoring device, a temperature monitoring device and a conductivity monitoring device which are arranged in the system respectively and accurately measure the turbidity, the temperature and the conductivity index of the water quality mixed in the small mixing tank in real time, and simultaneously transmit data to a data acquisition, analysis and control device;
4) the data acquisition analysis and control device adjusts the underground water supply control device, the river water supply control device, the reservoir water supply control device and the advanced treatment reuse water supply control device according to the analysis result to regulate and control, controls the respective flow of the underground water, the river water, the reservoir water and the advanced treatment reuse water in the pipeline, and keeps the total sum of the flow unchanged, so that the water quality can meet the production requirement: the temperature is less than 24 ℃, the turbidity is less than 4NTU, and the conductivity is less than 600 mu S/cm;
the turbidity monitoring device, the temperature monitoring device and the conductivity monitoring device respectively and accurately measure the turbidity, the temperature and the conductivity indexes of the water quality mixed in the small mixing tank in real time, and simultaneously transmit data to the data acquisition, analysis and control device;
the data acquisition, analysis and control device acquires data information provided by the turbidity monitoring device, the temperature monitoring device and the conductivity monitoring device, analyzes and processes results, regulates and controls the underground water supply control device, the river water supply control device, the reservoir water supply control device and the advanced treatment reuse water supply control device on the basis of the data information, and adjusts respective flow rates of underground water, river water, reservoir water and advanced treatment reuse water in the pipeline.
2. The system for distributing industrial fresh water according to claim 1, comprising a small mixing tank, an underground water supply control device, a river water supply control device, a reservoir water supply control device, a deep-treatment reuse water supply control device, a turbidity monitoring device, a temperature monitoring device, a conductivity monitoring device, a data acquisition, analysis and control device, a large-scale reservoir and a water pipe, wherein the small mixing tank is connected to the underground water supply water pipe, the river water supply water pipe, the reservoir water supply water pipe and the deep-treatment reuse water supply water pipe, respectively, and is further communicated with the large-scale reservoir, and the underground water supply water pipe, the river water supply water pipe, the reservoir water supply water pipe and the deep-treatment reuse water supply water pipe are provided with the underground water supply control device, the river water supply water pipe, the reservoir water supply water pipe and the deep-treatment reuse water supply water pipe, respectively, River water supply control device, reservoir water supply control device and advanced treatment reuse water supply control device, turbidity monitoring device, temperature monitoring device and conductivity monitoring device install in small-size mixing tank, groundwater supply control device, reservoir water supply control device, advanced treatment reuse water supply control device and turbidity monitoring device, temperature monitoring device and conductivity monitoring device are connected respectively to data acquisition analysis and controlling means.
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| CN108355502A (en) * | 2018-02-13 | 2018-08-03 | 鞍钢股份有限公司 | A kind of preparation method of industrial fresh water |
| CN109084051B (en) * | 2018-11-08 | 2019-11-01 | 河南省豫北水利勘测设计院有限公司 | Link transfer water distribution mechanism, press-fitting water system and decreasing water distribution method |
| CN109518758A (en) * | 2018-11-09 | 2019-03-26 | 鞍钢股份有限公司 | A kind of rainwater utilization system in factory and utilize method |
| CN114431126B (en) * | 2022-04-11 | 2022-08-26 | 天地智控(天津)科技有限公司 | Well and canal double-irrigation intelligent management and control system |
| CN114931778B (en) * | 2022-04-29 | 2023-11-07 | 呼伦贝尔安泰热电有限责任公司汇流河发电厂 | Underground water and reclaimed water distribution system of large direct heating network in alpine region |
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