38results about How to "Solve the problem of solidification" patented technology

The invention provides an absorbent for collecting and separating CO2, which contains 5 to 95 weight percent of dimethyl carbonate and 95 to 5 weight percent of organic solvent, wherein the organic solvent is one or more of hydrocarbon, ether or ester solvents. The invention has the advantages that: the absorbent is prepared by mixing the dimethyl carbonate and the organic solvent, so the freezing point of the dimethyl carbonate can be lowered, the CO2 absorption effect of the dimethyl carbonate is not changed, but even is increased; the problem that sharp viscosity increase or freezing during the use of the dimethyl carbonate at a lower temperature influence the use effect of the dimethyl carbonate is solved; and thus, the process is simplified effectively and cost is reduced.

The invention relates to a shield electric pump for conveying media easy to solidify and crystallize. The shield electric pump comprises a machine case, a stator and a rotor. The rotor is installed through a front bearing pedestal and a rear bearing pedestal which are arranged at the two ends of the machine case respectively. The stator is coaxially arranged in the machine case in a sleeved mode. The rotor protrudes and extends out of the front bearing pedestal and is fixedly connected with an impeller. The impeller is covered with a pump body, and the pump body and the machine case are fixed in a sealed mode. The side end of the pump body is provided with a feed port communicated with a pump cavity of the pump body. The upper end of the pump body is provided with a discharge port communicated with the pump cavity. An air gap passage is formed between the stator and the rotor. The position, corresponding to the stator, of the outer wall of the machine case is fixedly sleeved with a water jacket. Two steam jackets are fixedly arranged on the outer side of the pump body and the outer side of the rear bearing pedestal respectively in an attached mode. Through the arrangement of the steam jackets on the two sides and the water jacket, when solidified or crystallized media remain in the shield electric pump, the temperature of the shield electric pump can be raised by connecting steam to the shield electric pump so that the solidified or crystallized media can be molten; consequently, the problem that the media are solidified or crystallized is effectively and timely solved, and damage caused by blockage is avoided.

The invention discloses a chemical heat regeneration type diesel engine, belongs to the field of internal combustion engines, and solves the problems of lower efficiency and higher oil consumption in a traditional diesel engine. The chemical heat regeneration type diesel engine imitates working principles of a chemical heat regeneration type aloof ramjet and a chemical heat regeneration circulating gas turbine; and diesel is sprayed into a cylinder for burning after finishing the chemical heat regeneration process. When the engine is operated, the diesel flows out from an oil tank to supercharge to form high-pressure diesel after filtration and flow adjustment; the high-pressure diesel flows into a spiral cooling channel to absorb heat generated by burning of a fuel in the cylinder and dispersed to the wall surface of the cylinder; the chemical cracking is generated when protecting the wall surface to generate one part of gaseous micromolecule products; a switching valve is switched to a thermal fuel oil way; high-temperature cracking gas and non-cracked diesel steam enter a gaseous fuel nozzle by the switching valve, and then are sprayed into the cylinder for burning; when the engine is started, as a temperature field is not built, the diesel is still in a liquid state before entering the cylinder; the switching valve is switched to a cold fuel oil way; and the diesel is sprayed into the cylinder after being atomized by a liquid fuel nozzle.

The invention discloses a preheating-type chemical regenerative diesel engine, and relates to a diesel engine, and in particular to the preheating-type chemical regenerative diesel engine. By using the preheating-type chemical regenerative diesel engine, the problems that an existing diesel engine is lower in efficiency and higher in oil consumption are solved. An oil outlet of an oil tank of the preheating-type chemical regenerative diesel engine is connected with a supercharge pump through a flow regulating valve; the supercharge pump is connected with an inter cooler; the inter cooler is connected with an air cylinder through an air inlet pipe; a piston is arranged in the air cylinder; a cooling passage is arranged on the outer side wall of the air cylinder; a ceramic thermal insulating layer is mounted on the cooling passage in a sleeving manner; the inter cooler is connected with a diesel oil-tail gas heat exchanger; the air cylinder is connected with an exhaust-driven gas turbine through an exhaust pipe; the exhaust-driven gas turbine is connected with the diesel oil-tail gas heat exchanger; the air cylinder is connected with a switching valve; the switching valve is connected with the air cylinder through a gaseous fuel nozzle and a liquid fuel nozzle; the supercharge pump is connected with the inter cooler. The preheating-type chemical regenerative diesel engine belongs to the field of internal combustion engines.

The invention relates to a quantitative constant-temperature agar pouring device. The quantitative constant-temperature agar pouring device is mainly applied to a biological or medical experiment. The quantitative constant-temperature agar pouring device comprises a liquid discharging switch, a quantifying valve, a plunger, a one-way valve, a sample feeding port, a bottle cover, an insulating layer, a storage bottle, a plunger cavity, a return spring, an inlet pipe, a fixing groove, a partition board, electric heating plates, a charging interface, a storage battery, a storage battery switch, a control circuit, a temperature sensor, a temperature display, a control cabinet, a sample feeding table, a constant-temperature water bath, a vent hole and an outlet pipe. The storage bottle with agar is put into the small charged constant-temperature water bath for thermal insulation, and during operation, the quantitative constant-temperature agar pouring device can be placed on a sterile working platform, and through adjustment of the quantifying valve below the liquid discharging switch, the agar pouring volume is controlled to quantitatively pour the constant-temperature agar so as to meet requirements of a pouring culture method, bacterium-containing agar plate preparation and other experiments on sterile operation as well as precise control over the agar pouring volume and the temperature. The quantitative constant-temperature agar pouring device is convenient to move, easy and safe to operate and low in cost, and has relatively high popularization and application values and very strong creativity.

The invention provides a drum-based high-intensity magnetic machine for steel slag and a magnetic separation method. The machine comprises a case as well as a power input shaft and a roller which aremounted on the case, the power input shaft is fixedly connected with a driving drum, and an end part is connected with a speed adjusting motor; the roller is fixedly connected with a driven drum, a magnetic roll is mounted in the roller, and a composite magnetic system composed of a hard magnetic material is arranged on the magnetic roll; a belt surrounds the driving drum and the driven drum. Scrap iron in the steel slag is separated by magnetic overturn, magnetic stirring, gravity and centrifugal force, and the drum-based high-intensity magnetic machine and the magnetic separation method havethe advantages of being efficient, energy-saving, environmentally friendly and the like.

The invention provides a solid water ball silicon composite fertilizer, and also discloses a preparation process of the composite fertilizer. Potash water glass of potassium silicate is used as a base material, urea and sugar are mixed and added to be dissolved into solution dilutedly, and then the mixture and diluted phosphoric acid are prepared into the fertilizer through a nozzle by using an air granulation method. The fertilizer is a neutral slow release fertilizer; the solid water ball contains more than 80 percent of water; the fertilizer can be fed together with seeds during mechanical seeding; the effects of resisting against drought in spring and improving the rate of emergence can be achieved, and the fertilizer is convenient to use; and the problem of solidification of the silicon composite fertilizer is solved and the defect of influence on crop growth due to over high alkalinity of the conventional liquid silicon fertilizer is overcome.

The invention discloses a kitchen waste oil-water separation device. The device comprises a machine body, wherein a feeding hole is formed in the upper end of the machine body, a water outlet pipe andan oil outlet pipe are arranged at the lower end of the machine body, a first-stage filtering plate, a second-stage filtering plate, a stirrer, a heating system, an oil-water mixture discharging pipeand a separation tank are sequentially arranged in the machine body from top to bottom, an electromagnetic inductor is further arranged at the upper part of the machine body, and the heating device is provided with a temperature control device. The first-stage filtering plate and the second-stage filtering plate have different sizes, the amount of swill entering the device is controlled by virtueof the electromagnetic inductor, and heating and stirring are carried out, so that the kinematic viscosity is reduced, and the oil-water separation degree is increased. By arranging a density sensorat the bottom of an oil-water separation tank, the oil-water separation is realized through the change of the density, the density is accurately measured, and the separation effect is good.

The invention provides a horizontal vibration screen of steel slag and a triple screening method. The device comprises a frame and a vibration screen, wherein a discharging bin is arranged on the frame; the vibration screen is supported at the top end of the frame through support springs; a vibration exciter is fixedly mounted on the vibration screen; a top screen mesh and a middle screen mesh aremounted in the vibration screen; the middle screen mesh is supported on the top of the discharging bin; an oblique outlet opening is formed in the bottom of the discharging bin; an oblique conveyingbelt is arranged under the output opening. The method is characterized by screening the steel slag into three particle sizes; materials with size being greater than 60mm are screened on the top screenmesh; materials with size of 10-60mm are screened from remaining materials by the middle screen mesh; materials with size being smaller than 10mm fall into the discharging bin; the oblique conveyingbelt arranged at the bottom of the discharging bin is used for carrying the materials away. The overall process arrangement achieves the characteristics of high efficiency, energy economization and environment friendliness; the problem of coagulation of scrap iron in the tailing slag is also mainly solved; meanwhile, the horizontal vibration screen is high in reliability and convenient in on-sitemaintenance.

The invention relates to a hidden-buried electrical tracing floor tile paving construction method. The hidden-buried electrical tracing floor tile paving construction method sequentially includes the following steps of construction preparation, computer pre-layout, basic layer treatment, elevation locating, line snapping, electrical tracing belt fixation, leveling layer paving, electrical tracing coil pulling, electrical tracing electrification, felt paving, joint pointing and joint wiping. An electric tracing belt is used for directly heating the bottom of a floor tile, the condensation process of cement is accelerated, the construction speed is increased, and the problem that construction cement is solidified indoors in winter is solved. The problems that resource consumption is large and pollution is severe when coal and gas are used for heating indoor space in the prior art is avoided.

The present invention provides a kind of coagulant for wet sprayed material and its usage. The coagulant consists of aluminum dihydrogen phosphate, magnesium chloride and water. The coagulant is used in the following steps: 1. feeding certain amount of coagulant into compressed air pipeline to atomize; and 2. conveying the atomized coagulant to nozzle for spraying together with wet sprayed material. Using the coagulant can solve the problem of densifying and solidifying wet sprayed material containing polyacylate or phosphate well, and make the sprayed material adhered well onto the sprayed surface and produce no crack during stoving. In addition, the coagulant has small added amount without affecting the use performance of the wet sprayed material.

Natural Creamers for providing whitening and indulgent texture/mouthfeel of beverage and food products are provided. The creamers have long-term stability, high whitening capacity and a pleasant mouthfeel when added to beverage and food, while being free from artificial additives the creamers comprising plant oil and plant proteins, and being further characterized in that the creamers comprise baking soda and citrus fruit juice concentrate, wherein the citrus fruit juice concentrate comprises acid component comprising citric acid and malic acid.