51results about How to "Reduce blackness" patented technology

The invention belongs to the field of wood, and discloses a processing method of a water-proof carbonization wood board. The processing method comprises the five steps of cutting and cleaning, drying,surface treating, carbonization and shaping. The invention provides a processing method of a water-proof carbonization wood board, less time is consumed, and the carbonization is even.

The invention relates to a horizontal mobile grate gasifier, which comprises a furnace body with a grate and an air supply device. The air supply device consists of a primary air supply pipe and an upper-layer air supply pipe, the primary air supply pipe is connected with a plurality of air chambers and is arranged below the grate, the upper-layer air supply pipe is arranged on the two sidewalls of the furnace body and is communicated with the inner chamber of the furnace body, the rear part of the furnace body is provided with a flue gas channel, the rear end of the flue gas channel is connected with the combustor of a boiler, a flue gas circulating pipe which is connected with the rear part of the combustor communicates circulating flue gas and the upper-layer air supply pipe to form a mixed gas channel, the mixed gas channel and a steam pipe respectively extend into the air chamber and the cavity of the furnace body through a primary air Venturi pipe and a secondary air Venturi pipe; and mixed gas can flow to the front side of the combustor of the boiler through a gas mixing fan. The invention has the advantages of reducing Ringelman black and smoke emission, allowing the use of coal raw materials which are each to be coked, expanding the flexibility of the boiler use and the diversity of operating modes, and realizing the online real-time control and adjustment of parameters of steam output variables, grate operation and gasification dosage, thereby achieving the best operating conditions.

The invention relates to heating furnace for town and country families, particularly an environment friendly energy-saving smokeless stove. The furnace is provided with a taper fire resistant burner band such as a counter heating area and a hand-operated movable fire grate with a reasonable gap, thus facilitating burning, heating and cooking. The furnace can burn industrial refuse and domestic garbage so as to purify the environment and convert the heat energy.

A 8-chamber 9-layer high-temp calciner is composed of 8 coal calcining chambers in two rows, heating fire channel surrounding them, flue and chimney. The material feeding hopper and discharging hopper are respectively on the top and bottom of said calcining chambers. Its advantages are long service life, and high temp (1200-1300 deg.C).

The invention provides a coal additive. The coal additive comprises an emulsifier, a dispersant, a corrosion inhibitor and a penetrant. The coal additive contains O, Mg, Al, Si, S, Ca, Ba and Mn. The coal additive has the advantages that the emulsifier, the dispersant, the corrosion inhibitor and the penetrant are used and the rare earth elements improve catalyst activity so that a traditional exterior-to-interior combustion mode is changed into an interior-exterior synchronous combustion mode and thus a coal complete-combustion degree is improved and a heat loss caused by chemical incomplete combustion and mechanical incomplete combustion of coal in a furnace is reduced; and through composite carriers having mesoporous structures, catalyst activity is improved, a hydrodesulfurization process is finished and discharge amounts of flue dust and harmful gas in exhaust gas are reduced so that coal saving and sulfur fixation are realized.

The invention relates to an energy saving system and method for the clean burning of a layer burning boiler. The energy saving system for the clean burning of the layer burning boiler comprises the layer burning boiler, a metal catalyst unit arranged inside the hearth of the layer burning boiler, a vapor generating unit arranged outside the layer burning boiler and a control unit connected to the vapor generating unit, wherein the metal catalyst unit is arranged in a space between the upside of a coal bed and a smoke outlet; and the metal catalyst unit is connected with the vapor generating unit through a vapor conveying pipeline used for conveying vapor generated by the vapor generating unit to the inside of the hearth. The thermal efficiency of the boiler is increased through changing the burning way in the boiler, and vapor can be decomposed into a great deal of O, H, OH and other active ions under the action of a metal catalyst with the temperature of about 900 DEG C, so that the chemical reaction rate is increased, a favorable wet chain reaction condition is provided for combustible materials in smoke, the burning speed is increased, and the Ringelman emittance is lowered.

The invention discloses modified carbon black as well as a preparation method and application thereof. The modified carbon black is prepared by grafting a phthalocyanine derivative to carbon black of which the surface contains hydroxyl. The preparation method of the modified carbon black comprises the following steps: adding phthalocyanine into chlorosulfonic acid to carry out sulfonation reaction, then adding thionyl chloride to carry out chlorination reaction, and after the reaction, carrying out cooling suction filtration and washing to be neutral to obtain phthalocyanine sulfonyl chloride; then, adding the obtained phthalocyanine sulfonyl chloride into ice water, uniformly dispersing, adjusting the pH value, adding a modified additive containing a polyether chain and pyridine, reacting the mixture, and filtering and drying the reaction product to obtain a phthalocyanine derivative; finally, adding a phthalocyanine derivative and carbon black of which the surface contains hydroxyl into a pyridine-containing solvent, and reacting the system to obtain the modified carbon black. The modified carbon black is small in particle size, good in storage stability and good in self-dispersity, and after the modified carbon black is applied to polyester fiber stock solution coloring, the blackness of polyester fibers can be improved, and therefore, it is guaranteed that the polyester fibers have good mechanical and color fastness performance.

The invention discloses a method for preparing cobalt-based black ceramic pigment by utilizing tannery sludge. Leather industrial waste is employed and comprises the following components, by weight: 40-60% of tannery sludge, 20-30% of iron oxide red, 5% of nickel oxide and 15-20% of cobalt oxide. The tannery sludge is calcined and sieved in a non-oxidizing atmosphere for later use, and then the processed tannery sludge and other components are blended, mixed, calcined and crushed to obtain a product. The invention also discloses black ceramic pigment prepared by the preparation method. The method can be used for preparing the ceramic pigment for the black glaze, wherein the pigment is high in blackness, pure in color and stable.

This invention relates to an environmental protection coal-saved sulphur-remove and dust-reducing emulsion. Taking the weight percentage as one unit, 25%-75% weight portion of distilled water is added into a reaction kettle to be mixed and heated to 60-80deg.C then 0.1-1.5% weight portion of a malcate and 0.1~5.5% of light hydrocarbon are added and mixed at high speed for 15-35min to keep the temperature, then 0.1-0.5% portion of sodium tetraborate, 0.1~20% of sodium nitrate, 0.1~5% of sodium chlorate, 0.1~2.5% of sodium dioxide, 0.1~5% heavy sodium chromate and 0.1~3.5% ammonium perchlorate are added into the kettle to carry out chemical reaction and mix for 15-30min then enters into a high speed jet crushing machine to cut them repeatedly for 3-5times.

The invention provides a combustion improver for a boiler. The combustion improver is prepared from the following ingredients in parts by weight: 4 parts of manganese dioxide, 4 parts of molybdenum oxide, 4 parts of ferric oxide, 4 parts of zinc oxide, 4 parts of copper oxide, 4 parts of calcium oxide, 4 parts of magnesium oxide, 4 parts of potassium oxide, 4 parts of sodium oxide, 4 parts of aluminum oxide, 16 parts of selenium dioxide, 16 parts of strontium oxide, 16 parts of oxygen difluoride, 16 parts of No.97 gasoline, 16 parts of No.20 diesel, 16 parts of ethyl alcohol, 16 parts of kerosene, 10 parts of paraffin, 10 parts of normal octane, 10 parts of nonane, 10 parts of decane, 10 parts of undecane, 10 parts of dodecane, 10 parts of eicosane, 10 parts of triacontane and 10 parts of tetracontane. The combustion improver provided by the invention has the advantages that the pollution can be reduced, the combustion efficiency is improved, and the service life of the boiler is prolonged. The invention also provides a preparation method and application of the combustion improver.

A ceramic and a preparation method therefor are provided. The ceramic includes a zirconia matrix, and an additive dispersed inside and on an outer surface of the zirconia matrix. The additive is an oxide including elements A and B, where A is selected from at least one of Ca, Sr, Ba, Y, and La, and B is selected from at least one of Cr, Mn, Fe, Co, and Ni.

A technical scheme of a horizontal boiler comprises a boiler body, a combustion chamber disposed in the boiler body, a collection box arranged under the combustion chamber and a water jacket arranged over the combustion chamber, wherein the collection box is connected under the water jacket via a water path; a firework pipe is disposed in the water jacket; one end of the firework pipe is provided with a front smoke case and the other end is provided with a back smoke case; a smoke outlet is formed in the back smoke case; an inlet of the water jacket is provided with a filter; the filter is provided with a handle; the water jacket is longitudinally distributed and a wet back type square water jacket; one end of the wet back type water jacket is connected with a plate case water jacket; the lower part of the plate case water jacket is connected with a water supplying box; the firework pipe is longitudinally distributed; a detachable smoke filter is disposed in the back smoke case; and the smoke filter comprises a filter net and active carbon. The horizontal boiler has large heating area and is uneasy to form scales; and the water tanks up and down possess great circulating effect, so temperature can quickly rise.

The invention discloses a crop straw composite coal, which is composed of 10-40% straw and 60-90% coal, wherein the calorific value of hay is 4300kilocalorie/kg (18003kj/kg); the calorific value of dried leaf and dried branch is 3900kilocalorie/kg (16328kj/kg), which is higher than soy straw and cotton straw.

The invention relates to a cathode material for use in a high intensity discharge lamp, said material containing at least the following elements: a matrix based on tungsten having a tungsten content of more than or equal to 95 wt.%; tungsten carbide; oxides and or predominantly oxidic phases of one or more emitter elements from the group consisting of (rare earth metals, Hf Zr), wherein the cathode material contains predominantly carbide phases from one or more emitter elements from the group (rare earth metals, Hr, Zr). The invention relates to a high intensity discharge lamp which comprisesa cathode made from the claimed cathode material and to a method for producing a cathode material.

Disclosed is a highly effective environmental protection catalysts coal-saving agent, which comprises 20-30 weight parts of puffing agent composing of mixture of lignin sulfonate and alkylbenzene sulfonate, 30-40 weight parts of emulsifying agent composing alkylphenol polyoxyethylene, 8-15 weight parts of purifying agent composing polyethylene oxide, 15-25 weight parts of catalyst composing the mixture of palladium metal salts, titanium metal salts and cerium metal salts, 3-10 weight parts of catalyst promoter composing cobalt metal salts, 3-10 weight parts of modifier composing alkaline metal and/or alkaline metal hydrates. The invention also discloses the process for preparing the coal-saving agent and its use.

The invention relates to a combustion additive, in particular to a wood processing offal additive for testudinate greenhouse cultivation combustion and a using method of the additive. The wood processing offal additive comprises 9-10 of Fe203, 55-60 of MgO, 8-10 of KCl, 16-18 of NaCl and 9-12 of KMnO4. According to the wood processing offal additive for testudinate greenhouse cultivation combustion, after the combustion additive is adjusted by an inventor, a novel using method is matched, the technical problems to be solved, like how to improve the combustion endurance of wood processing offal and how to reduce black smoke can be solved, due to the fact that the KCl, the NaCl and the KMnO4 in the additive can be dissolved in water, the KCl, the NaCl and the KMnO4 can be absorbed by wood so as to play a role in the later period, and the Fe203 and the MgO can not be dissolved in water and play a role in the earlier period of combustion.

The invention discloses a method for producing a high calorific value coal based fuel by using low calorific value coal, which comprises the following steps: taking 3 to 5 parts of potassium permanganate, 3 to 5 parts of potassium chlorate, 3 to 6 parts of calcined lime, 1 to 3 parts of potassium hydroxide and 1 to 3 parts of calcium chloride at the normal temperature and under normal pressure, and crushing the materials into granules of 80 to 150 meshes; and adding 5 to 10 parts of residual oil and 65 to 85 parts of low calorific value coal into the granules, and blending the mixture in a stirrer evenly. The method can effectively save the coal, improve the utilization rate of energy sources, reduce the emission of smoke dust and sulfur dioxide, and reduce environment pollution.

The invention provides a combustion improver for a boiler. The combustion improver is prepared from the following raw materials in parts by weight: 4 parts of sodium carbonate, 4 parts of coal powder, 4 parts of iron oxide, 4 parts of zinc oxide, 4 parts of copper oxide, 4 parts of calcium oxide, 4 parts of magnesium oxide, 4 parts of aluminum oxide, 16 parts of selenium dioxide, 16 parts of strontium oxide, 16 parts of difluorine monoxide, 16 parts of No. 97 gasoline, 16 parts of No. -20 diesel oil, 16 parts of ethanol, 16 parts of kerosene, 10 parts of paraffin, 10 parts of n-octane, 10 parts of nonane, 10 parts of decane, 10 parts of undecane, 10 parts of dodecane, 10 parts of eicosane, 10 parts of triacontane and 10 parts of tetracontane. The combustion improver provided by the invention can reduce pollution, improve combustion efficiency and prolong the service life of the boiler. The invention further provides a preparation method and application of the combustion improver.