Phenol water treatment system by utilizing waste heat of gas furnace
A technology of treatment system and gas furnace, applied in the direction of heating water/sewage treatment, manufacturing combustible gas, climate sustainability, etc., can solve the problems of ineffective effect, large investment, low heat exchange efficiency, etc., to reduce energy consumption, The effect of solving environmental pollution
Active Publication Date: 2013-10-23
GUANGDONG HOMEWAY CERAMICS IND +1
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Problems solved by technology
At present, only using the sensible heat of the gas in the lower section of the gas furnace to heat the phenolic water requires a large heat exchanger, which requires a large investment, unstable temperature control, and the effect is not obvious.
The reason is that the heat exchange efficiency of the heat exchanger always has individual differences. If the heat exchange efficiency is low, it cannot guarantee the reasonable temperature when the phenol water is used as a vaporizing agent, and the complete harmless treatment of the phenol water cannot be achieved.
Method used
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Embodiment Construction
[0013] Such as figure 1 As shown, a gas furnace waste heat utilization phenol water treatment system includes a gas furnace 1 with a water jacket 101 capable of generating steam on the lower furnace wall, and a cyclone dust collector connected to the lower gas outlet 102 of the gas furnace 1 2. The phenol water coil 3 is connected to the heater 5 between the cyclone dust collector 2 and the air cooler 4. A primary heater 7 is added to the phenol water input pipeline 6 of the phenol water coil 3, and the primary heater 7 is divided into a tube pass and a shell pass. The tube pass is composed of a coil tube 8 arranged in the shell side and a column tube 9 arranged in the cavity of the coil tube 8 and connected to the coil tube 8. The pipe side is connected with the phenol water pipe, and the shell side is connected with the atmospheric steam pipe 10. A thermostat 12 is added to the output phenol water pipe 11 of the phenol water coil 3, and the thermostat 12 is provided with a ...
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The invention discloses a phenol water treatment system by utilizing waste heat of a gas furnace. The system comprises a gas furnace with a water jacket, a cyclone dust collector, a wind cooler and a gas heater, wherein a primary heater is added on a phenol water input pipeline of the heater, a thermosistor is added on a phenol output pipeline of the heater, and and a steam sleeve is sleeved outside a phenol water pipeline for connecting the primary heater, the gas heater and the thermosistor. On the basis that the sensible heat of the gas at the lower section is utilized in the prior art to perform preevaporation burning to phenol water, the system utilizes the steam, which is obtained by utilizing the waste heat of the gas furnace, to perform preheating, heating and heat insulation to phenol water, thus the temperature of phenol water can be kept to 90-95 DEG C, the phenol water used as a gasification agent of the gas furnace can be comprehensively utilized, the energy consumption of the gas furnace can be reduced and the environmental pollution problem of phenol-containing wastewater can be solved. Therefore, the aims of energy saving and emission reduction of the gas furnace can be achieved.
Description
Technical field [0001] The technical field of the gas generator of the present invention, in particular, relates to the technology of using the waste heat of the gas furnace to treat phenol water. Background technique [0002] As a major energy source, direct combustion of coal can only achieve 30% energy efficiency and has serious pollution. At present, all countries are committed to the development of clean coal application technology. Coal gasification is currently the most widely used clean energy source to solve coal pollution. One of the technologies. After dust removal, cooling, and washing of the high-temperature gas produced by the gas furnace, a large amount of waste water is produced. Phenolic substances are the main toxic pollutants in coal gasification wastewater. The discharge of phenol-containing industrial wastewater has caused serious environmental pollution. A big problem. [0003] Phenol water pre-steaming incineration treatment technology is currently the most...
Claims
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IPC IPC(8): C10J3/72C10J3/84C10J3/80C02F1/02
CPCY02P20/10Y02P20/129
Inventor 梁桐灿唐祥国
Owner GUANGDONG HOMEWAY CERAMICS IND