13results about How to "Reduce steam" patented technology

The invention relates to a method for simultaneously preparing high-purity carbon dioxide and nitrogen by using flue gas, which is characterized in that flue gas is used as a raw material, and the high-purity carbon dioxide and nitrogen are economically and conveniently obtained by dedusting, removing impurities such as oxygen, hydrocarbon, hydrogen, CO and the like and reasonably utilizing heat of purification treatment. Belongs to the technical field of carbon capture, waste gas treatment and resource utilization. The method mainly comprises the following six parts: fine removal and dust removal, heat exchange and low-pressure steam production, pretreatment, carbon-nitrogen separation, high-purity nitrogen production and high-purity carbon dioxide production. A mature organic amine method is used for carbon-nitrogen separation, a PSA method is used for high-purity nitrogen refining, and a low-temperature liquefaction method is used for liquid carbon dioxide. On the whole, high-purity carbon dioxide and nitrogen which can be used for chemical synthesis and industrial utilization are obtained through deep impurity removal of flue gas, reasonable configuration of the technological process and comprehensive utilization of heat generated by deoxidation, and 0.3 MPa saturated steam lt is supplemented by a carbon-nitrogen separation unit; 0.9 ton / tCO2, and the loss of the organic amine sold in the market is 1t; and 0.5 kg / t of CO2.

This utility model discloses a heat recovery system for cold hydrogenation products, relating to the technical field of polysilicon production equipment. Its main objective is to provide a heat recovery system for cold hydrogenation products that can reduce steam consumption and extend the service life of the cooler. The main technical solution of this utility model is as follows: a heat recovery system for cold hydrogenation products, comprising: a fluidizing component, with a fluidized bed connected to a quenching component; a coarse separation component, with the middle part of a reboiler connected to the quenching component, the upper end of the reboiler connected to the coarse separation column, and a loading tank connected to the lower part of the reboiler; and a heat exchange component, including a distillation pipe, a first heat exchanger, and a first cooler. One end of the distillation pipe is connected to one end of the shell side of the first heat exchanger, and the other end is connected to the coarse separation column. One end of the tube side of the first heat exchanger is connected to the loading tank, and the other end is connected to the first cooler. This utility model is mainly used for cold hydrogenation products.

The invention relates to the technical field of condensing devices, in particular to a condensing device for a dish-washing machine and the dish-washing machine. The condensing device for the dish-washing machine comprises a condensing device main body, wherein a water inlet and a water outlet are formed in the condensing device main body; the condensing device bottom cover and the condensing device main body are enclosed to form a water path cavity, and the water inlet, the water path cavity and the water outlet are all communicated; the condensing device top cover, the condensing device bottom cover and the condensing device top cover are correspondingly arranged on the two sides of the condensing device main body, and the condensing device top cover and the condensing device main body are enclosed to form a water vapor cavity; a steam inlet and a steam outlet are formed in the condensing device top cover, and the steam inlet, the steam cavity and the steam outlet are all communicated. According to the condensing device for the dish-washing machine and the dish-washing machine, the water path cavity and the water vapor cavity are included, the cooling water and the steam are introduced into the water path cavity and the water vapor cavity respectively, heat of the steam is absorbed by the cooling water, and the effects of reducing the steam temperature and even condensing the steam are achieved.

The present application belongs to the field of coal-fired power generation and energy storage technology, and particularly relates to a peak shaving device coupled with a supercritical carbon dioxide energy storage system of a coal-fired power unit. The present application uses supercritical carbon dioxide (sCO2) as an energy carrier to build a closed Brayton cycle comprising a compressor, a turbine, a heat exchanger and a storage tank, thereby improving the cycle thermal efficiency of the energy storage medium, avoiding the risks of solidification, leakage and corrosion of the working medium, and improving the safety of system operation. The device directly communicates the hot side inlet of the first heat exchanger with the inlet of the high-pressure cylinder of the coal-fired power unit, directly heats the sCO2 compressed by the compressor with high-temperature and high-pressure steam at the highest parameter of the boiler outlet, and does not need to be supplemented with heating. The waste heat of the sCO2 turbine exhaust is used to heat the feed water at the outlet of the deaerator and the condensate water at the outlet of the condensate water pump in sequence through the designed second and third heat exchangers, thereby reducing the amount of steam originally required to be extracted by the steam turbine and greatly increasing the power generation.

The invention relates to a method for preparing asphalt with a high softening point by using ethylene tar as an auxiliary agent. The method comprises the following steps: S1, mixing and distilling ethylene tar as an auxiliary agent and high-temperature coal tar, and extracting light components in each distillation range section; and S2, performing high-temperature thermal polymerization on the residual heavy components after distillation to prepare high-softening-point asphalt, the softening point of the high-softening-point asphalt is in a range of 100-110 DEG C, the coking value is not less than 50%, the content of toluene insoluble is in a range of 26-32%, and the content of quinoline insoluble is in a range of 6-12%. The ethylene tar is used as an auxiliary agent, the high-temperature coal tar is used as a stabilizer, and the ethylene tar and the high-temperature coal tar can be mutually soluble and mutually improve the characteristics of the raw materials, so that the mixed material has the advantages of the ethylene tar and the high-temperature coal tar, the production cost is reduced, and the economic benefit is improved.

The invention discloses a water replenishing method for a glass production waste heat boiler drainage heating deaerator, and relates to an energy-saving method for realizing waste heat boiler drainage heat recovery and heating deaerator water replenishing by arranging a heat exchanger to replace a traditional blowdown flash tank. The heat exchanger is provided with heat source medium inlets matched with the glass production lines in number, and steam drum continuous blowdown of the waste heat boiler serves as a shell pass of a heat source medium passing through the heat exchanger; inlet water of the water supplementing mother pipe serves as a cold source medium to flow through the tube pass of the heat exchanger and serves as supplemented water to flow into a deaerator of the glass production line after being heated. The system is simple and effective in design, solves the problem of waste of heat energy and water resources, achieves the purposes of reducing cost and increasing efficiency by recovering heat to improve power generation efficiency and reduce water consumption, and can be popularized and used in a glass kiln waste heat power generation system.

The present invention relates to a method for preparing high softening point asphalt using ethylene tar as an auxiliary agent. The method comprises the following steps: S1: using ethylene tar as an auxiliary agent and high temperature coal tar for mixed distillation, and extracting light components in each distillation section; and S2: subjecting the remaining heavy components after distillation to high temperature thermal polymerization to prepare high softening point asphalt, wherein the softening point of the high softening point asphalt is within the range of 100°C-110°C, the coking value is not less than 50%, the toluene insoluble content is within the range of 26%-32%, and the quinoline insoluble content is within the range of 6%-12%. The present invention uses ethylene tar as an auxiliary agent and high temperature coal tar as a stabilizer, and the two can be well soluble in each other, and the raw material properties can be improved mutually, so that the mixed material has the advantages of both ethylene tar and high temperature coal tar, reduces production costs, and improves economic benefits.

The invention relates to the technical field of waste incineration, in particular to a method for controlling the primary air temperature of a waste incinerator, which specifically comprises the following steps of: (1) calculating the water content Mar of garbage entering the incinerator according to the real-time water vapor content phi of flue gas at an outlet of a waste heat boiler; (2) calculating the required primary air temperature T0 according to the water content Mar of the garbage fed into the furnace; (3) arranging an electromagnetic valve and a flow measuring point Q on a steam pipeline entering the air pre-heater, and arranging a temperature measuring point T at a primary air outlet of the air pre-heater; according to the calculated primary air temperature T0, the opening degree of an electromagnetic valve is automatically adjusted to adjust the steam amount for heating the primary air pre-heater; and when the outlet temperature measuring point T of the air pre-heater is adjusted to be within the range of T0 + / -5 DEG C, the electromagnetic valve stops adjusting, and the steam quantity for heating the air pre-heater does not change any more. According to the method, the primary air temperature is controlled and adjusted through the steam content of the exhaust gas at the outlet of the waste heat boiler, and therefore the good combustion condition of garbage in the incinerator is guaranteed.

The invention provides a water vapor compression system, a control method thereof and a storage medium, the method is applied to the water vapor compression system, the system comprises a compressor, a vapor generator, a first valve and a first pressure sensor, and a gas outlet of the vapor generator is connected with a gas inlet of the compressor; the first valve is installed between an air outlet of the steam generator and an air inlet of the compressor, the first pressure sensor is installed at the air inlet of the compressor, and the method comprises the steps that a first pressure value, collected by the first pressure sensor, of steam entering the compressor is obtained, and when the first pressure value is larger than a first pressure threshold value, the opening degree of the first valve is reduced. According to the method, steam entering the compressor can be prevented from being liquefied, so that stable operation of the compressor is maintained.

The present invention provides a carbon dioxide capture and low-pressure heater condensate coupling system, which belongs to the technical field of carbon dioxide capture, and comprises: an absorption tower, a regeneration tower and a reboiler, wherein the regeneration tower is connected with the rich liquid in the absorption tower through a pipeline, and the regeneration tower is provided with a rough gas exhaust port, and the rear end of the rough gas exhaust port of the regeneration tower is connected with a first cooling heat exchanger, and the first cooling heat exchanger is connected with a condensate pipeline of a low-pressure heater of a power plant; the carbon dioxide capture and low-pressure heater condensate coupling system of the present invention is connected with a first cooling heat exchanger at the rear end of the rough gas exhaust port of the regeneration tower, and the first cooling heat exchanger is connected with the low-pressure heater condensate of the power plant, and is used for heating the condensate entering the low-pressure heater, thereby reducing the energy consumption of heating the condensate by exhausting air from a steam turbine, and reducing the energy consumption of the carbon dioxide capture system as a whole, thereby achieving the purpose of energy saving.

The present invention relates to small kitchen appliances, in particular to a splash-proof food processor, comprising a crushing cup and a cover body mounted above the crushing cup, wherein the crushing cup and the cover body enclose a closed pulping chamber, wherein a crushing blade for whipping materials is arranged in the crushing cup, and wherein the food processor further comprises a heat dissipation structure for dissipating heat from the crushing cup, wherein during the process of the crushing blade whipping materials in the pulping chamber, the heat dissipation structure cools and depressurizes the crushing cup to keep the pressure p1 in the pulping chamber no greater than the atmospheric pressure p. In the process of crushing and pulping by using the above-mentioned food processor, the pressure in the pulping chamber will not increase, and the slurry can be effectively prevented from splashing or seeping out of the pulping chamber.

The invention relates to the technical field of low carbon and energy conservation of thermal power plants, in particular to a steam superheat utilization system and method for carbon dioxide capture of a thermal power plant. The system comprises a heat regeneration module, a steam turbine set, a carbon capture module and a superheat degree heat exchange module, the heat regeneration module comprises a heat regeneration pipeline and a plurality of heat regenerators on the heat regeneration pipeline, the steam turbine set is connected with the heat regenerators and provides extracted steam to heat boiler feed water and / or condensed water flowing through the boiler, and the carbon capture module is provided with a reboiler. The superheat degree heat exchange module is provided with at least one superheat degree heat exchanger, one side of the superheat degree heat exchanger is connected between the steam turbine set and the reboiler in series, and the other side of the superheat degree heat exchanger is communicated with the heat return pipeline. The superheat degree of steam extraction can be recycled through the superheat degree heat exchanger to be used for preheating a working medium in the heat regeneration pipeline, the steam extraction requirement of the heat regeneration module is reduced, and therefore the power generation output and the overall heat efficiency of a turboset are improved.

The utility model relates to a kind of steam valve and the pot of being equipped with steam valve, steam valve is used to set in the steam exhaust of pot, including valve seat and the valve cover fixed to the valve seat;The space enclosed by the valve seat and valve cover constitutes cooling cavity;The steam valve further includes steam inlet, steam outlet and cold air inlet being opened on cooling cavity;The steam inlet and the steam outlet have preset interval, or, the steam inlet and steam outlet are provided with flow guide structure, so that steam flow from the steam inlet passes the area of cold air inlet again flow to the steam outlet.The steam valve disclosed in the utility model embodiment, steam flows into cooling cavity from steam inlet, must pass the area of cold air inlet again flow to steam outlet, external cold air is inhaled into cooling cavity, steam can be quickly cooled and condensed, reduce the steam volume of final discharge, avoid the liquid in the pot overflow.