112results about How to "Improve snow melting effect" patented technology

The invention discloses a method for preparing a calcium magnesium carboxylate snow-melting agent by utilizing municipal sludge. The method comprises the following steps: the hydrothermal oxidation technology is adopted to perform hydrothermal separation on the organic matter and inorganic matter in the sludge of a municipal wastewater treatment plant and obtain organic mixed solution, then anaerobic fermentation is performed on the organic mixed solution, the anaerobic fermentation conditions are controlled to ensure that fermentation is performed in the acid-producing direction, then organic solvent is used to extract organic acid from the mixed solution, calcium magnesium compound is used to perform re-extraction, and the product is filtered and concentrated to prepare the calcium magnesium carboxylate snow-melting agent with higher purity. By adopting the method, the economical and efficient resource treatment can be performed on municipal sludge and the cheap and environmentally-friendly calcium magnesium carboxylate snow-melting agent can be prepared.

A snow-melting device capable of melting snow is provided on the premise that problems such as subsidence of the foundation, icing on the road surface, and water splashing are not induced by using effective, clean, and cheap energy. The outer cylinder 11 is concentrically inserted into the inner cylinder 12 and buried vertically in the ground, in which the first liquid medium is circulated, a heat exchanger 10 for collecting geothermal heat, and buried directly below the road surface 1 in a hairpin shape, wherein The second liquid medium circulates, the heat release pipe 20 that melts the snow on the road surface 1 by releasing heat, the heat pump 30 that heats up the heat of the first liquid medium and then transfers it to the second liquid medium, and the heat storage tank 40 that stores heat. And the heat exchanger 10 and the heat pump 30 are connected through a first loop 31 , while the heat pump 30 and the heat release pipe 20 are connected through a second loop 32 . The first loop 31 and the heat storage tank 40 are connected through a first communication path 41 , while the second loop 32 and the heat storage tank 40 are connected through a second communication path 42 .

The invention provides an ecological rehabilitation promoting snow-melting agent and a preparation method thereof .The snow-melting agent is prepared from, by mass, 10-30 parts of polyaspartic acid, 30-50 parts of humic acid, 10-30 parts of acetate and 0-20 parts of chlorine salt .Firstly, humic acid is prepared according to the mass proportion, potassium permanganate and 30% hydrogen peroxide are added, and a combined pre-oxidation reaction is conducted; after the combined pre-oxidation reaction is finished, acetate and chlorine salt are added, stirred and dissolved, and the mixture is cooled to room temperature; polyaspartic acid is added, and after the materials are evenly mixed, the mixture is directly contained in a barrel to serve as a liquid snow-melting agent or is sprayed to be prepared into a solid particle snow-melting agent .The snow-melting agent can be used for melting snow and ice, stimulating plant growth and reducing harm of chlorine salt snow-melting agents left in soil to the environment .Besides, biological degradation can be achieved, a preparation process is simple, production cost is low, and the snow-melting agent is suitable for industrial application.

The invention relates to a snow melting or deicing system and a snow melting or deicing method for a satellite antenna. The snow melting or deicing system comprises heaters, a rain or snow sensor, a controller, temperature sensors, a temperature acquisition box and a power supply module; a thermal insulation plate is arranged on the back of a reflection surface of the satellite antenna, and the thermal insulation plate and the back of the reflection surface of the satellite antenna form a closed space; the heaters are uniformly arranged in the closed space along the circumference of the satellite antenna, and the sector where each heater is located is a heating channel; the temperature sensors are arranged in the heating channels, and the rain or snow sensor is arranged at the edge of the main reflection surface of the satellite antenna; the heaters and the rain or snow sensor are all connected with the controller, the temperature sensors are connected with the temperature acquisition box, the temperature acquisition box is connected with the controller, and the power supply module supplies power to the controller. By adopting the intelligent control technology, once rain or snow is detected, the system runs automatically, and raining or snowing is ended, the system stops automatically. The system and the method have the characteristics of simple control, high efficiency, good snow melting effect and the like.

The invention discloses an efficient planting device for agricultural planting. The device comprises a greenhouse body and a greenhouse ceiling, water collection tanks are arranged at the tops of theouter sides of both the left side and the right side of the greenhouse body, filtering nets are arranged at the tops of the water collection tanks, the bottoms of the water collection tanks are both connected with water accumulation boxes through lower water pipes, the water accumulation boxes at the left side and the right side are both connected with spraying pipes located at the upper sides inside the greenhouse body through connection water pipes, and water pumping pumps are connected to the bottoms of the connection water pipes. According to the efficient planting device for agriculturalplanting, rainwater can be effectively collected and utilized to conduct irrigation, the using cost of the greenhouse is lowered, the effects of conducting ventilation and maintaining the indoor temperature and humidity to be stable can be achieved, the planting effect is improved, a fan is arranged in the channel, through a controller, a walking mechanism is controlled to move, a sunshade screenis driven to be unfolded, the temperature inside the greenhouse is lowered, and the greenhouse does not need to be manually covered with the sunshade screen, besides, salt for melting snow can be uniformly sprayed to the greenhouse ceiling in the circumferential direction, the spraying effect is good, the coverage area is large, and the snow melting effect is good.

The invention relates to an environment-friendly snow melting agent and a preparation method thereof; the environment-friendly snow melting agent is prepared from the following raw materials according to the weight ratio: 16 to 24 parts of potassium acetate, 10 to 14 parts of urea, 3 to 5 parts of sodium hypophosphite and 3 to 5 parts of sodium gluconate. The raw materials contain no corrosive materials, are no harm to road surfaces, soil, water and the health of people and are beneficial to the environmental protection; the snow melting agent has the advantages of better snow melting effect, relatively low cost, wide popularization and application value; and the preparation method is simple and is beneficial to mass production.

The invention discloses a high-efficiency snow-melting and snow-removing device for municipal engineering roads, which comprises a support plate, a support frame is installed on both sides of the upper end of the support plate, a top plate is installed on the top of the support frame, a first motor is installed in the upper middle of the top plate, and the lower end of the first motor is connected to the There is a first rotating shaft, the lower end of the first rotating shaft is connected with the first gear, the lower end of the first gear is meshed with the second gear, the second gear is buried in the middle of the second rotating shaft, a crank is installed in the middle of both ends of the second rotating shaft, and a lifting gear is installed in the middle of the crank The lower end of the lifting sleeve is equipped with a lifting device, the lower end of the lifting device is equipped with a lifting plate, the two sides of the lower end of the lifting plate are equipped with a second motor, the middle part of the support plate is equipped with an air cylinder, and the middle part of the outer side of the support frame is equipped with a snow melting agent box. The present invention realizes the heating of the snow-melting agent discharged from the discharge cylinder, increases the snow-melting effect and snow-melting efficiency on the ground, and also realizes the cleaning of the road after snow melting, and reduces the labor burden of workers.

The invention provides a gutter snow melting electric heat tracing system. The gutter snow melting electric heat tracing system comprises a gutter, a heat tracing belt A, a drainage opening A, a drainage opening B, a water falling pipe A, a water falling pipe B, a tail end connection box, a measure and control instrument special for rain and snow, a temperature sensor, a humidity sensor, an intelligent temperature-control distribution box, a power source connection box, a heat-preservation layer, a power cable, a signal cable, a wire mesh, snow melting clamps, fixing devices, a heat tracing belt B and a heat tracing belt C. The gutter snow melting electric heat tracing system is provided with the multiple electric heat tracing belts and accordingly is suitable for various gutter structures; the multiple electric heat belt fixing devices are arranged so as to guarantee the stability of the heat tracing belts in the various using environments; through various parameters such as the measuring temperature, the measuring humidity and the like of the system, the better snow melting effect is guaranteed, a large amount of electricity can be saved; and it is guaranteed that the snow melting process is better monitored in real time through remote control.

The invention discloses a production method of an attapulgite snowmelt agent. The production method comprises the technical essentials of mixing the ingredients of the attapulgite snowmelt agent, and then acidizing, extruding, drying, crushing, sieving, and packaging to obtain finished products. In the production method, diluted glacial acetic acid is slowly added to the attapulgite for acidizing, and the glacial acetic acid is slowly reacted with magnesium oxide, aluminum oxide and calcium carbonate in an attapulgite mixture to generate acetates of calcium acetate, magnesium acetate, aluminium acetate and the like; because the acetates in the attapulgite snowmelt agent is loaded in the mixture of attapulgite clay, ground calcium carbonate and bentonite, timely clearing the residues of the attapulgite snowmelt agent after snow melting can prevent waste water derived from melted ice and snow from flowing to farmland, greenbelts and underground without the influence on regular growth of crops and afforestation plants and road surface damage as well as corrosion action on metals. The production method of the attapulgite snowmelt agent has simple process and low production cost, and is suitable for producing various salt type snowmelt agents.

The invention discloses a preparation method for a bamboo carbon fiber snow-melting agent, and belongs to the technical field of materials. The preparation method comprises the following steps: using bamboo skin as a raw material, conducting manual linen suction, alkaline solution modification and fermentation to obtain bamboo fiber, carbonizing the bamboo fiber into bamboo carbon fiber, crosslinking the bamboo carbon fiber and acetate through a starch crosslinking agent to obtain a semi-finished product, fully mixing the semi-finished product, zinc dihydrogen phosphate, thiourea and an anti-skidding agent, and bagging the mixture so as to obtain the bamboo carbon fiber snow-melting agent. Examples prove that the operation is simple and feasible, the prepared snow-melting agent is low in cost, the snow-melting effect is obvious, the snow-melting speed is accelerated by 75% or above, the snow-melting agent can degrade by self, and no harm is caused for the water body and environment after the snow is molten.

The invention discloses a method for preparing an I-type snow melting agent from fly ash of waste. The method includes the steps of washing with water, heavy metal removal, decolorization, calcium removal and evaporative crystallization, realizes harmless disposal of fly ash, recycles waste material, produces the I-type snow melting agent has good economic benefit, can also produce calcium carbonate or calcium sulfate, greatly reduces cost of fly ash disposal, causes no emission of waste water in treatment process, and is energysaving and environmentally friendly.

The invention discloses an environment-friendly coated snow-melting agent. When the environment-friendly coated snow-melting agent is used, sodium citrate on the surface is melted by absorbing moisture of snow, permeates into a road and a bridge and is attached to the surfaces of steel bars of the road and the bridge, so that the surfaces of steel bars of the road and the bridge can be prevented from being corroded by salt water, a function of protecting the road and the bridge is realized, the environment cannot be influenced, and good economic, environment-friendly and snow-melting effects are achieved.

The invention discloses a novel bridge for melting snow through waste heat of a power plant and a construction method. The novel bridge for melting snow through waste heat of the power plant comprises bridge pile foundations connected with piers; a set of vertical through hole is formed in each pier; a main heat sending pipe is inserted into each vertical through hole and connected with a transverse branch heat transferring pipe; each transverse branch heat transferring pipe is provided with a set of connection hole; the connection holes are connected with a set of crossed heat release pipes; the tops inside the heat release pipes are connected with upper arc connection boards; the bottoms inside the heat release pipes are connected with lower arc connection boards; the upper arc connection boards and the lower arc connection boards are supported and connected through one to five supporting columns; the heat release pipes are laid in a bridge face. The novel bridge is used for melting the snow.

The invention relates to an environmental-friendly fulvic acid compound snow-melting agent and belongs to the technical field of materials for roads. The environmental-friendly fulvic acid compound snow-melting agent is prepared by the following steps: by taking lignite as a raw material, crushing the lignite and pre-oxidizing and degrading the lignite with hydrogen peroxide; then combining the lignite with glacial acetic acid; under microwave irradiation, further oxidizing and degrading the lignite to extract fulvic acid; generating more functional groups such as carboxylic acid, alcohol, amine and ester capable of reducing the freezing point; then performing purification and performing a reaction with carbide slag and magnesium oxide and the like to generate fulvic acid/calcium acetate magnesium; and finally, compounding with ammonium chloride to prepare the environmental-friendly fulvic acid compound snow-melting agent. The environmental-friendly fulvic acid compound snow-melting agent prepared by the invention is good in snow-melting effect and small in damage to vegetables, meets the environmental-friendly requirements, is rich in nutritional elements needed by plants to facilitate nutrient adsorption of the vegetables, and has a wide application prospect.

The snow thawing apparatus includes water gushing heat collector set inside water gushing reservoir and ferryboat type heat collector connected circulating pump and underground pipeline as well as a heat releasing pipe. The water gushing heat collected with the water gushing heat collector and the terrestrial heat collected with the ferryboat type heat collector are made to pass through the connecting pipe and be released to thaw snow. In case of the lowered temperature of road, the water gushing heat and the terrestrial heat are used as the heat source for heat pump to heat the antifreezing liquid and the heated antifreezing liquid is further used in thawing snow in the heat releasing pipe.

The invention discloses a special carbon fiber composite snow-melting deicing agent for airports and a manufacturing method thereof. Eucalyptus leaves, lotus leaves and carbon fibers are swollen by an acrylic resin emulsion and filled to enhance the combination among fibers; after carbonization, more micropores are introduced, so the adsorption capacity is improved; wood vinegar used instead of glacial acetic acid and modified waste brick slag used as a metal precursor are mixed to obtain a snow melting agent; and finally, the snow melting agent and an antiskid aid are subjected to coating and granulation, and are dried to obtain the composite snow-melting deicing agent of which the toughness is greatly enhanced. After melting when contacting ice and snow, the composite snow-melting deicing agent can quickly lower the freezing point, and can absorb heat to increase the snow melting speed. The residual solution can be adsorbed by antiskid aid to avoid corroding the pavement. The method is simple to operate and easy to implement, has the advantages of low cost and obvious snow melting effect, increases the snow melting speed by 75% or above, can be automatically degraded, and does not damage the water body or environment after snow melting.

The invention discloses a power high-tension porcelain insulator snow-blowing and deicing device, which comprises a fan. An air opening of the fan is connected with an air ejector pipe; a sectional insulated supporting rod is connected above the air ejector pipe; and an anti-rain cover is arranged above the sectional insulating supporting rod. The hot wind from the fan is blown to a porcelain insulator of a high-tension wire so as to melt rain and snow. Therefore, snows, ice columns and ice layers on the surface of the porcelain insulator can be rapidly removed, the security threat of snow, ice rain and other severe weather to power equipment is greatly reduced, and the safe operation of the power equipment in snow, ice rain and other severe weather in winter is guaranteed. Due to the sectional structure, the height of the insulated supporting rod can be flexibly adjusted, so that the device aligns to parts needing snow melting and achieves good snow-melting effect. The anti-rain cover is arranged above the sectional insulated supporting rod, can effectively prevent snow and rain from influencing the device in snow and rain weather, and can save the hot wind, so the snow-melting effect is more obvious.

The present invention provides a snow melting composition containing tripotassium citrate (a) and a non-synthetic polyhydric alcohol (b), wherein the tripotassium citrate (a) is contained in a ratio of 20 to 75 wt % and the non-synthetic polyhydric alcohol (b) is contained in a ratio of 25 to 80 wt %, with respect to the total weight of the tripotassium citrate (a) and the non-synthetic polyhydric alcohol (b). The snow melting composition of the present invention provides an excellent snow melting effect, does not corrode metals, and furthermore has low odor characteristics and thus does not adversely affect organisms living in surrounding areas.