water sources
What are some of the Industrial and Agricultural Internal sources of water pollution?
http://www.epa.gov/ http://en.wikipedia.org/wiki/Pollution
water sources
The water source heat pump technology in the application of gold?
The heat pump water source in the gold mine:
Abstract: The rich mineral resources of China, the mining companies. Moving underground mining very large (4000m3 / d), contains a large amount of energy, low-grade in the past does not make use of the white emission. If the application heat pump water programs can make full use of its energy by harnessing the potential of transforming the mining of a new energy road.
Overview: rich in mineral resources, mining companies. In the process of production of the mine, to perform operations mining smoothly, it is inevitable to conduct a series of security measures, including exclusion and isolation of groundwater is one of action, it is always very precious groundwater to be in vain.
To take full advantage of groundwater resources most valuable employees and create a good company in the production environment and life, the gold mine for Jiaoji full use of large quantities of water is not the situation a reasonable development and utilization of mine water. Thus, the use of this pressing the potential transformation of the old Lee Lee has spent the measures that can save a lot of money to bring economic benefits substantial for the company.
Jiaoji gold mine route to 4000m3, and the temperature throughout the water year Constant to 21-22, are rich sources of heat at low temperature. In the past, do not use them, but in vain emissions. If the use of the source of existing technology heat pump water to make full use of its energy by exploiting the potential energy savings from the mine to innovate.
2, pump water heat Description of Technology:
The water source heat pump technology is the use of surface water surface heat at low temperatures, using the principle of heat pump, a small amount of high input energy, heat for heat transfer to a high art. A high efficiency, energy savings, financial protection, stable and reliable execution environment, but also for heating (and cooling, hot water) multifunctional and wide application in the use of the method can be automated, easy to handle.
The heat pump water technology is becoming more promotion, has a high yield of energy savings, economic, environmental and security. It features the following:
(1) use 1 KW of power from 60 to 100 square meters of surface heating and cooling.
(2) the proportion of energy input and output: the state approximately 1:4.2 heating, cooling is about 1:5.8 State.
(3) the initial investment is bromide air conditioning Central lithium and others 3.2 5.4.
(4) using the process releases no harmful gases to the environment, do not destroy water.
(5) there is no problem, explosives, incendiary potential safety, easy to use, simple, reliable and applicable to a wide range for both heating and cooling regional SMEs can also be used in building heating combination group, the cooling device. But
heat pump source technology is higher, but also by environmental conditions, water conditions. Displacement underground mine, a very large (4000m3 / d), contains a large amount of energy low in the past does not make use of the program white. The heat pump water source if the application program can make full use of its energy by exploiting the potential energy savings from the mine to innovate.
Third, the program process to determine:
(A) known conditions: one, the need for air conditioning refinery area of approximately 2,000 square meters of interior design temperature of 26 ~ 28. The new chassis has air conditioning, fresh air: 40000m3 / h, new air box required cooling capacity of 309kW.
Two groundwater: 3000 ~ 4000m3 / j, may be a conservative estimate: 3000m3 / d, 125m3 / h.
3 and the water temperature: 21 ~ 22. Water quality are: CL-5901.18mg = / L, Ca 2 + = 1515mg / l, Mg 2 + = 85.08mg / L, Fe 3 + = 1.12mg / L, pH = 7.1 salinity, total = 11694.5mg / L, SS = 35.60 mg / L.
4, underground storage stations water treatment, storage tanks 400m3 / a, 2; decanter 50m3 / a, 2.
(B) the process of determination of program
The circumstances of the place and decided to use the following programs: mine water pump the pump reservoir (20), transported to the sand trap, then the intermediate heat exchanger (plate heat exchanger titanium) After the election of the plant (26) reuse. intermediate water circulation (23) in the unit of heat pump in your heating system (30) back to back temperature heat exchanger (23), then the heat pump, and so on. The heat pump air conditioning side of the import and export temperature 12/07.
air conditioning in summer, according to the particular circumstances of water Mine refinery as a cold heat source, transferred to water from the mine. Only a small amount of electricity consumed by compared with air-conditioning energy saving common to 40%. The device is just the heat that already exists for the transfer, which is economical and environmentally friendly.
(C) of the selection process for major equipment:
Use DZ-LC-160 type 2 sets, one 167.5kw only the cooling capacity, input power of 45kw. Air Flow Pump-KQSG100 50-30 two (one adventure), Q = 50m3 / h, H = 30mH2O, N = 7.5kw, a sand trap by DZS-350/80; NHS e-4 type scaling unit two, the use of water supply systems in pressurized water constant DN150 a rapid decontamination devices, mine using the original water pump, heat exchanger via a heat exchanger Plate heat heat medium circulation pump KSGP100-40-18, two (one with a preparation), H = 18m, N = 4KW = Q 40m3 / h.
(D) Program Analysis 1, the economic analysis: heat pump cooling system, the total power of 80 kW. If the price of electricity from 0.6 yuan / kWh basis, the airtime of 110 days, 12 hours a day by calculating the annual costs of air: 0.7 × 0.6 × 80 × 110 × 12 × 0.8 = 3.55. Body Heat pump investment: 320 000 yuan.
2, the analysis of the environment: water resources are renewable water use energy? Technology heat pump water not only to avoid contamination, but also for mine drainage in the precious energy resources are fully utilized.
3, another heat pump can achieve a high level of automation, almost anyone can achieve the proper functioning of the state, and the workload of maintenance and repair very small.
Conclusion 4: Watch the above analysis, the total investment program is low and operating costs and saves. And a single pump systems heating, maintenance management and hybrid system is easy.
4, the construction process to take appropriate measures:
1, water poor quality in the mines of the mine, using the system heat exchanger plates can guarantee the security of the whole process, in the long term, economic exploitation.
2, the main computer system is the heat pump. The device is equipped with a dedicated control cabinet. Control cabinet heat pumps equipped with a variety of start-up and protection features such as grasping automatic water temperature About the Author
I am an expert from Frbiz Site, usually analyzes all kind of industries situation, such as recessed toilet paper holders , automatic paper dispenser.
Coliform bacteria, and we did experiment in which we collected water sources and then in the refrigerator before?
bring to class the next day. When we take water sources in source water class set of either or MacConkey agar plates nutritious. What was the point of the refrigerator?
The samples were slow cooling of the growth of bacteria in the samples. I presume you want to count the number of coliforms that you find in your samples – If you store them in a hot window errors are multiplied and pull account. If you put in the refrigerator, insects do not die but multiply much, much slower.
Greenovation: New Sources of Water – Desalination to Reuse
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