Energy-saving and emission-reducing backwater system
A technology of energy saving and emission reduction, return water pipeline, applied in the components of steam boilers, steam boiler accessories, steam boilers, etc., can solve the problems of energy waste, unfavorable energy saving and emission reduction, etc. simple effect
Inactive Publication Date: 2015-04-22
KUNSHAN MINGPENG PAPER IND
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Problems solved by technology
Causes a huge waste of energy, which is not conducive to energy saving and emission reduction
Method used
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Embodiment 1
[0019] Such as figure 1 As shown, an energy-saving and emission-reducing return water system includes a main return water pipeline and an auxiliary return water pipeline. The main return water pipeline includes a primary steam generator 1, a steam proportional valve 2, and a steam jet pump connected in sequence through pipelines. 3 and the secondary steam chamber 4; a low-pressure steam recovery barrel 5 is provided on the secondary return pipe; the low-pressure steam recovery barrel 5 communicates with the high-pressure steam inlet 31 of the steam jet pump 3 .
[0020] The outer wall of the mixed gas output pipe of the steam jet pump is provided with an insulating layer 6, and the material of the insulating layer is foam.
[0021] The primary steam generating device is a steam generating boiler.
[0022] Such as figure 2 As shown, the steam jet pump 3 comprises a high-pressure steam inlet 31, a nozzle 32, a suction chamber 33, a mixing chamber 34 and a diffusion chamber 35...
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The invention discloses an energy-saving and emission-reducing backwater system. The energy-saving and emission-reducing backwater system comprises a main backwater pipeline and an auxiliary backwater pipeline, the main backwater pipeline comprises a primary steam generating device, a steam proportional valve, a steam-jet pump and a secondary steam chamber, and the primary steam generating device, the steam proportional valve, the steam-jet pump and the secondary steam chamber are sequentially connected through pipelines; the auxiliary backwater pipeline is provided with a low pressure steam recycling barrel, and the low pressure steam recycling barrel is communicated with a high pressure steam inlet of the steam-jet pump; the steam-jet pump arranged on the main backwater pipeline can make full use of low high steam in the auxiliary backwater pipeline, and therefore the energy-saving and emission-reducing backwater system saves hydroelectric resources and lowers the production cost. Meanwhile, according to the energy-saving and emission-reducing backwater system, the structure is simple, the cost is very low, but the energy can be saved by more than 10%, and therefore the obtained economic effects are highly significant.
Description
technical field [0001] The invention relates to the field of backwater devices, in particular to an energy-saving and emission-reducing backwater system. Background technique [0002] At present, steam needs to be used in the cardboard production line, and the steam after passing through the cardboard production line will form condensed water, which is generally drained directly through the drain valve on the pipeline, so that water must be continuously added to the boiler to heat the water. Turning water into steam is provided to the cardboard production line. The use of such a production system not only increases the amount of water used, but also consumes a large amount of resources such as coal or natural gas. At the same time, it does not conform to the current concept of energy saving and emission reduction in industry. [0003] As described in the application number 201220536659.5 and titled "A Boiler Backwater System for Energy Saving and Emission Reduction", the sys...
Claims
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Inventor 李中顺
Owner KUNSHAN MINGPENG PAPER IND