30results about How to "Reduce surplus factor" patented technology

The invention discloses an integrated low-carbon micro-discharge energy-saving and emission-reduction boiler system. The system comprises a boiler body (1), a steam drum (2), a heat exchanger (3), a preheater (4), an economizer (5), a superheater (6), a steam turbine (7), a generator (8), a secondary smoke combustion device (9), a desulfuration and dust collect unit (10), an air blower (11) and asmoke exhauster (13), wherein the steam drum (2) and the heat exchanger (3) constitute a hot-water heating circulation loop, the economizer (5) is connected with the steam drum (2), and the air blower (11) feeds air to the preheater (4); the steam drum (2) is connected with the superheater (6), and then connected with the steam turbine (7) by a superheated steam pipe (22); the steam turbine (7) is connected with a low-pressure steam pipe (23), and the generator (8) is linked with the steam turbine (7); and the outlet of a gas duct of the boiler body (1) is connected with a smoke pipe (25), and the smoke exhauster (13) is arranged on the smoke pipe (25), and sequentially feeds smoke into the secondary smoke combustion device (9) and the desulfuration and dust collect unit (10) so as to process and discharge the smoke.

The invention relates to a natural gas oxygen-enriched burner with a glass kiln. Based on the normal natural gas burner, by adopting oxygen enrichment technology, the original larger air port is changed to a relatively smaller oxygen-enriched air port according to the oxygen content of the oxygen-enriched air so as to heighten the temperature of flame, reduce air displacement after combustion, promote heat utilization ratio and lower excess air coefficient.

The invention discloses a top-burning hot-blast stove with a cone-column composite vault structure, and belongs to the field of heat energy technology. The top-burning hot-blast stove with the cone-column composite vault structure comprises a stove body and a combustor, wherein the stove body is composed of an inlet, a hot wind outlet, supporting columns, a grate, a regenerative chamber, and a combustion chamber; column chamber walls above the combustor and cone top walls are integrated to form a mixing chamber; one side of the column chamber walls is provided with an air inlet, the column chamber walls are provided with an air circuit, and the inner side of the air circuit is provided with air nozzles; and one side of the cone top walls is provided with a gas inlet, the cone top walls are provided with a gas circuit, and the inner side of the gas circuit is provided with gas nozzles. The top-burning hot-blast stove is used for heat accumulation of wind supply to blast furnaces. Combustion is sufficient, thermal efficiency is high, and cost is low.

The invention belongs to the technical field of boiler energy conservation and environmental protection, and discloses a compound control system for the nitrogen oxide discharge amount of a grate-fired furnace. The compound control system comprises a grate-fired furnace body, stage combustion devices with flue gas recirculation, an SNCR (selective non-catalytic reduction) denitration device, a multifunctional flue gas online monitor and a PLC (programmable logic controller) control system, wherein the stage combustion devices are uniformly distributed on walls at two sides of a combustion chamber, an air inlet pipe is arranged in the center of an air inlet end of the stage combustion devices, an adiabatic flame stabilization blunt body is arranged at the other end of the air inlet pipe, a secondary wind cyclone is arranged on the wall at the air inlet end, and a combustion stabilization cavity is arranged at one end far from the air inlet end; and an appropriate amount of a mixture of powdered coal or fuel gas, fresh air and circulating flue gas is sprayed into the grate-fired furnace through the stage combustion devices. The compound control system disclosed by the invention can significantly improve the oxidation reaction speed of a fuel and the temperature uniformity of the combustion chamber, and can achieve full combustion and low-nitrogen combustion of the fuel and reduce the coefficient of excess air, thereby realizing double promotion of denitration efficiency and heat efficiency, and achieving the aims of energy conservation and emission reduction.

The invention discloses an energy saving and environmental friendly coal combustion catalyst, the catalyst is prepared through dissolving raw materials with the following mass parts in 100 parts water and evenly mixing, the raw materials and the mass parts are that: sulphuric acid plant residues 20-30, electroplating plant discard solution 25-35, electrolytic copper plant discard solution 25-30, nitrification rare earth 5-10, anionic surfactant 3-5 and soluble calcium salt 2-5. When the coal combustion catalyst of the invention is in use, the coal combustion catalyst is only needed to be evenly sprayed on the coal surface and sufficiently mixed evenly with a mixer. The coal combustion catalyst of the invention is applied to various coal powders spraying boilers, coal slurry boilers, chainboilers, boiling boilers, other forms coal-fired boilers and civil scattered burning coal which enables the use to be convenient use and cost to be cheap and can increase the combustion intensity andthe fire box temperature of the coal, improve the combustion performance of the coal, lower exhaust emission volume, saves the coal by 10-20%, and the like.

An integrated clean combustion device with layer and chamber combustion, which relates to a combustion device using coal as fuel, belongs to the technical field of combustion devices, and is used to solve the defects of narrow adaptability and poor processability of existing such devices. There are combustion chamber, grate, gas generator, water seal pool, and primary and secondary air ducts. After improvement, the gas generator is obliquely offset on the bottom side of the combustion chamber, and the air guide holes on it are arranged along the inclined top wall. . After adopting the inclined offset structure, the raw coal can be piled up above the fixed grate by intermittent addition, and can also enter from the offset side with the advancement of the movable grate, so that the present invention can be adapted to both vertical boilers and horizontal boilers. type boiler and other coal-fired devices, which expands the application range of the layer chamber combustion technology, and simplifies the structure of the gas generator and even the combustion chamber, and has the advantages of good processing technology, compact structure, and convenient maintenance and repair. It is suitable for various Various vertical and horizontal boilers, industrial coal-fired furnaces and civilian stoves.