33results about How to "Reduce long-distance transportation costs" patented technology

The invention relates to a process and a device for quickly preparing powdered active coke for desulfurization by utilizing pulverized coal. The process and the device are used for producing a powdered active coke product with certain desulfurization performance and reducing combustible gas. According to the process, the powdered active coke for desulfurization and a byproduct reducing gas are prepared from the pulverized coal of 20 to 500 microns by remaining in an entrained-flow bed fast reaction furnace for 1 to 60 seconds. The process and the device has three characteristics that 1, the desulfurization active coke can be prepared by directly utilizing the pulverized coal for combustion of a boiler, so in-situ preparation of a desulfurizing agent of a coal-fired power plant can be realized, and the production cost and the transportation cost of the active coke are reduced; 2, the reducing combustible gas generated in the production process of the active coke can serve as a reburning fuel and is fed into the boiler, so the production quantity of nitric oxide during combustion of the pulverized coal is reduced and the energy efficiency of the whole process is improved; and 3, sulfur dioxide can be recovered and high-concentration sulfur dioxide can be reduced into elemental sulfur, so resource utilization of the sulfur dioxide can be realized.

The invention relates to a seeding medium made of vinasse methane-sludge and a preparation method thereof, not only solving the problem of environment contamination caused by vinasse methane-sludge, but also effectively utilizing vinasse methane-sludge. The seeding medium comprises fresh sludge containing 90 percent of water after methane generated from vinasse in a methane tank, accessories, ferment strain I and ferment strain II, wherein the accessories comprise grass peat, vermiculite and perlite; the ferment strain I comprises saccharomycetes, lactobacillus, high-temperature actinomycetes and bacillus; and the ferment strain II comprises photosynthetic bacteria, lactobacillus, bacillus, saccharomycetes, actinomycetes and terrestrial cyanobacteria. The preparation method comprises the following steps of preparing fresh sludge, dehydrating, adding the ferment strain I for fermentation, adding the ferment strain II for secondary fermentation, air drying, adding accessories, crushing, screening and packing. The vinasse methane-sludge contains 40 to 50 percent of organic matter and 4.3 percent of available nitrogen (N), phosphorus (P) and kalium (K). The seeding medium made of vinasse methane-sludge has better hydrophilicity, and seeding can be carried out after loading the dry seeding medium and spraying water, thus saving both labor and time.

Disclosed is a material for composite consolidating earthen road surface and construction method thereof, wherein the said material comprises: sandy soil ranging from 92-98% by wt, 2-8% by wt of cement, ZL-1 liquid curing agent or EN-1 liquid curing agent ranging from 0.1-0.3 permillage of by gross weight of gray soil mixture; or silty soil or clayey soil ranging from 90-96% by wt, 4-10% by wt of lime, ZL-1 liquid curing agent or EN-1 liquid curing agent ranging from 0.1-0.3 permillage by gross weight of gray soil mixture. The material for composite consolidating earthen road surface and its construction method takes extensively distributed soil as main material, reduces 20-50% construction costs, shortens construction time limit, resists freeze, and prolongs available construction time in northern area with early freezing time.

The invention relates to a cotton seedling substrate prepared from vinasse biogas residue and a preparation method thereof. The cotton seedling substrate comprises 7-9 cubes of vinasse biogas residue and 1-3 cubes of vermiculite, wherein the vinasse biogas residue is fresh mire which is generated after the vinasse is fermented in a biomass tank and biogas is generated, and the vermiculite is of clay mineral. The preparation method comprises the following steps of: sun-drying and dehydrating the vinasse biogas residue, carrying out first fermentation and secondary heterofermentation, air-drying leavening, mixing the leavening with the vermiculite, and then sieving to obtain the cotton seedling substrate. According to the invention, the problem that the vinasse biogas residue pollutes environments is solved, the vinasse biogas residue is used as the raw material of the seedling substrate, and the industrial chain of the circular economy for food processing is prolonged; the cost of the cotton seedling substrate per cubic meter is RMB 135 yuan; the cost of turf substrate raw material per cubic meter is RMB272 yuan; and therefore, the cost is reduced by more than 50%. The cotton seedling substrate has the following physicochemical indexes of: the grain sizes of 1-5mm of larger than or equal to 40%, organic matters with volume-weight of above 4.47 of 0.15-0.40g/m<3>, the total void of 60-70%, the pH value of 5.5-8.0, the conductivity of less than or equal to 80% us/cm, the total nutrient of 4.0%, and the moisture of less than or equal to 30% and reaches the optimal range of growth of seedling root systems.

The invention relates to the technical field of garbage pretreatment, and specifically relates to a garbage compressor. The garbage compressor comprises a casing. The interior of the casing is sequentially provided with a butt joint chamber, a compression storage chamber, a feeding chamber and a machine part chamber, a gate is arranged between the butt joint chamber and the compression storage chamber, the compression storage chamber is provided with a draining system, a feeding funnel communicated with the feeding chamber is arranged on the feeding chamber, the machine part chamber is provided with a push head, and the gate and the push head are supplied with power through a hydraulic system. The invention also discloses a garbage compression processing method employing the above garbage compressor and a garbage transfer station employing the above garbage compressor. The garbage compressor is simple in structure, low in cost and high in automation degree, and is practical, simple, reliable and safe, the equipment failure rate is reduced, the operation cost is reduced, the labor intensity is reduced, and the labor efficiency is improved. The garbage transfer station can satisfy the tonnage of the transport vehicle, the long-distance transport cost is reduced, the equipment integration degree is high, the land is saved, and the capital construction cost is saved.

The invention provides an assembled partition plate part, an installation method and application. The assembled partition plate part comprises sound insulation keel plates, the middles of the sound insulation keel plates are provided with cavities which are filled with a thermal insulation and/or sound absorption material, panels are arranged between the adjacent sound insulation keel plates, thetwo sides of the sound insulation keel plates are provided with grooves, and the panels are clamped into the grooves formed in the two sides of the adjacent sound insulation keel plates. According tothe installation method, plate type sound insulation keel plates are adopted, precise measurement of size installation is facilitated, installation procedures are decreased, the operation time per unit time is shortened, the construction installation progress is improved, and the installation manpower cost is reduced; in addition, the plate type sound insulation keel plates and the assembled partition plate part have the good thermal insulation performance, sound insulation performance and sound absorption performance, can serve as an inner wall, an outer wall and a roof partition plate part,and are low in weight and manufacturing cost and economical.

The invention discloses a method for preparing a high-solid-content ether high-water-reducing polycarboxylic acid water reducer. The method comprises the following steps: adding solid isopentenol polyoxyethylene ether into a reactor, adding water, of which the mass is 10% to 15% that of the solid isopentenol polyoxyethylene ether, into the reactor, starting a stirrer to stir, heating the internal temperature of the reactor to 70 DEG C to 80 DEG C, and carrying out stirring for 30min until the isopentenol polyoxyethylene ether is completely dissolved; cooling the internal temperature of the reactor to 30 DEG C to 40 DEG C, sequentially adding a chain transfer agent solution and an initiator A solution into the reactor, carrying out uniform mixing, simultaneously dropwise adding a monomer solution for 1.5 to 3 hours and an initiator B solution for 2.5 to 3.5 hours, continuing to carry out heat preservation for 1 to 2 hours after dropwise adding ends, and neutralizing the pH value of the solution to 7+/-1 with caustic soda flakes, thereby obtaining the high-solid-content ether high-water-reducing polycarboxylic acid water reducer with the solid content of 85%. According to the method, the product is environmentally friendly and is free of formaldehyde content, and the production process is free of emission of waste gases, waste water and waste residues; compared with industrial-produced low-solid-content (40% to 50%) products, the product has the advantages that the water-reducing rate is consistent, the concrete wrapping property is good, costs of production, transportation and storage processes are reduced, and the price of the product is lowered.

The invention discloses a device and a method for concentrating and recycling an anaerobic acid-producing kitchen waste fermentation solution. The method comprises a treatment chamber, and two layersof positive osmosis membranes which are mounted inside the chamber and are parallel to the chamber wall, wherein a driving solution passage is formed between the two layers of positive osmosis membranes; a fermentation solution passage is formed between each of the positive osmosis membranes on the two sides and the chamber wall. Through a positive osmosis membrane principle and a unique design ofa membrane assembly, the concentration of the recycled and concentrated anaerobic acid-producing kitchen waste fermentation solution can be greatly increased and the long-distance transportation costof the anaerobic acid-producing fermentation solution can be reduced. Through the device and the method, the anaerobic acid-producing fermentation solution is recycled and concentrated as a good denitrifying and dephosphorizing organic carbon source for resource utilization, so that the purpose of ectopically applying the anaerobic acid-producing fermentation solution to a domestic sewage treatment plant, an industrial sewage station, a landfill leachate treatment station and the like is achieved.

The invention relates to an inorganic bearing purline bearing built-up roof and floor. An inorganic material is employed by each of inorganic bearing purlines (1) to form a cavity mold body by vacuumextruding; when the purlines are extruded, steel bars or fiber tows (4) are evenly distributed at the middle position of the plane of a bottom end plate of each inorganic bearing purline (1); after the inorganic bearing purlines (1) are molded by curing and drying, a connecting steel plate (3) or section steel is fixed to the bottom end horizontally and/or the side end of the bottom end of each ofthe two ends of each inorganic bearing purline (1) by welding or bolted connection; the connecting steel plate (3) or section steel at the bottom end of each of the two ends of each inorganic bearingpurline (1) is effectively connected with a main bearing structure part into a whole; bearing plates (2) are arranged at the upper portion and the lower portion between every two adjacent inorganic bearing purlines (1); and thermal insulation or sound insulation materials (5) fill a position between every two adjacent inorganic bearing purlines (1) and a space between the corresponding two bearing plates (2). The built-up roof and floor has good thermal insulation performance, sound insulation performance and sound absorption performance.

The invention relates to a straw smashing and rod making device for anaerobic fermentation biogas production. The straw smashing and rod making device for anaerobic fermentation biogas production is characterized by comprising an auger spindle (8), wherein the auger spindle (8) is coaxially arranged in a cavity body (4) of the device and is provided with a spiral auger; the spiral auger is formedby two sections of spiral augers used as an extruding section and a smashing section and continuously arranged front and back; an auger end cutting knife (7) with a toothed cutting edge is arranged onan outer contour of the spiral auger used as the smashing section located at a feed inlet position of the cavity (4); the toothed cutting edge on the auger end cutting knife (7) is matched with a toothed cutting edge of an upper cutting knife (12) arranged at the feed inlet position of the cavity (4) in a shearing-meshing way; an outer contour of the spiral auger section used as the extruding section (5) is a smooth surface, and is in movable fit to the cavity body (4) and an inner cavity of a baffle ring (6); a rod making hole plate mold (3) is arranged on the front end of the cavity body ofthe equipment; a plurality of straw rod forming holes are formed in the rod making hole plate mold (3).

The invention relates to an inorganic keel purlin assembly external wall and an assembly method. The inorganic keel purlin assembly external wall comprises main structure floor slabs (6) and inorganickeel purlins (1), and interior cavities of the inorganic keel purlins (1) are filled with thermal insulation and sound insulation materials (4), the inorganic keel purlins (1) are vertically arrangedand fixed between the upper and lower main structural floor slabs (6), and arranged vertically inorganic material indoor side panels (3) are installed at the side end, in the indoor part, between thetwo inorganic keel purlins (1); and transversely arranged inorganic material outdoor side panels (2) are fixedly installed at the outer side ends of the inorganic keel purlins (1), and cold bridge insulation layers are sandwiched between the outdoor side panels (2) and the inorganic keel purlins (1). According to the inorganic keel purlin assembly external wall and the assembly method, assembledconstruction installation can be achieved, material, transportation and installation costs are reduced, the adaptability is high, the inorganic keel purlin assembly external wall can be provided withexterior decoration and provided with thermal insulation and sound insulation performance, and cold bridge and thermal bridge are eliminated.

The invention provides a solid flaky polycarboxylate superplasticizer and a method for preparing the same by a core-shell emulsion method. The superplasticizer comprises the following components in parts by weight: 18-32 parts of a special methacrylate hydrophobic monomer for emulsification, 7-13 parts of a carboxylic hydrophilic monomer for emulsification, 0.33-0.68 parts of an emulsion initiator, 0.56-0.84 parts of a chain transfer agent for emulsification, 37-62 parts of a carboxyl small monomer, 53-76 parts of an unsaturated sulfonic small monomer, 790-830 parts of a polyether macromonomer, 4-9 parts of a weak chain transfer agent, 3.6-6.8 parts of an azo initiator, 4.2-7.6 parts of an initiator, 2.3-4.2 parts of a strong chain transfer agent, and 3.4-5.6 parts of a pH regulator. The method comprises the following steps: (1) preparing an emulsifier; (2) preparing a nuclear monomer emulsion; (3) preparing a shell monomer pre-emulsion; and (4) preparing the solid flaky polycarboxylate superplasticizer. The polycarboxylate superplasticizer prepared by the core-shell emulsion method has the advantages of single molecular weight, excellent performance, strong adaptability and easiness in storage, is prepared into solid sheets, and is lower in transportation cost and suitable for long-distance transportation.

The invention provides a transporting and use method for absorbing coal bed gas with coal serving as a medium. The transporting and use method is characterized in that a large amount of coal bed gas is carried out and transported based on the absorbing property of the coal to the coal bed gas, and then supplied as the energy supply to a vehicle in the transporting process; and moreover, the heat in the burnt tail gas of a car is fully utilized to promote the desorption of the coal bed gas, so that the comprehensive utilization of the energy can be achieved to the greatest extent. According to the transporting and use method for absorbing coal absorbing bed gas with the coal serving as the medium, the properties of various energies such as coal, coal bed gas and tail gas of the car can be comprehensively utilized, so that the energy can be saved, and the cost of transporting is greatly reduced.

The invention relates to the technical field of municipal sewage treatment, in particular to a municipal community sewage treatment station with a combined heat and power effect. The municipal community sewage treatment station comprises a sewage treatment module, a feces treatment module and a thermoelectric control module, wherein the sewage treatment module a grille tank, a MBR biofilm reactorand a clean water collection tank, the feces treatment module includes a CSTR anaerobic fermentation tank, a methane extraction device, and a methanol synthesis device, and the thermoelectric controlmodule includes a reformer for hydrogen production from methanol and water, a heat exchanger, a fuel cell, a high-temperature residual gas collection device and a control device. The municipal community sewage treatment station integrates power supply, heat supply and sewage treatment in the community, the sewage is treated in the neighborhood of the community, the efficient conversion and utilization of electric energy and heat energy are realized, the transportation cost and the burden of centralized treatment of urban sewage can be reduced, and the municipal community sewage treatment station is not limited by the site.