32results about How to "No water consumption" patented technology

The invention discloses a liquid air refrigeration power generation device for a data center, and a working method. The liquid air working medium refrigeration power generation device for the data center comprises an ultralow-temperature liquid storage tank, a high-pressure and ultralow-temperature liquid pump, a high-pressure and ultralow-temperature pipeline, a jet flow drainage apparatus, a low-temperature heat exchanger, a low-temperature and high-pressure gas pipeline, a gas mixing drainage apparatus, a temperature-rising, pressure-increasing and entropy-compensating heat exchanger consisting of a gas expansion section, a medium-temperature heat exchanger and a gas contraction section, a normal-temperature working gas pipeline, a gas turbine input valve, a working gas path, a gas turbine, a generator, an exhaust gas path, a gas turbine output valve, a gas return pipeline, a refrigeration water return input pipeline, a low-and-medium-temperature heat exchanger connection pipeline, a refrigeration water return output pipeline, an after-gas discharging opening, a liquid gas injection opening, an overhaul short circuit pipeline, an overhaul short circuit gas valve and a drainage gas return pipeline. According to the liquid air refrigeration power generation device for the data center, the refrigeration unit purchase cost and the backup generator set purchase cost can be reduced; due to modes of reduction of the power consumption of a refrigeration unit in the data center, auto-using power generated by the low-temperature generator set and the like, the power consumption of the data center is greatly reduced.

The invention discloses a system and a method for avoiding low-temperature corrosion of an air preheater by using phase-change heat exchange, and belongs to the field of biomass energy utilization. The system and the method aim to solve the problems that boiler high-temperature and high-pressure water supply is used as a heat source to preheat air, the air preheater occupies large area and bears high temperature and high pressure, a water pump consumes a large amount of electricity, and the investment and running cost are high. A fume cooler is connected with steam separators arranged in a steam drum; the steam drum is connected with a steam-air heat exchanger; the steam-air heat exchanger and the steam drum are connected with a mixer; the mixer is connected with the fume cooler via a low-pressure circulation pump; the steam-air heat exchanger is connected with the air preheater. Saturated water and thermal fume exchange heat in the fume cooler to obtain a steam water mixture, the fume exhausting temperature is lowered, the steam water mixture is separated via the steam separators to obtain saturated steam and the saturated steam is used as a steam-air exchanger heat source to preheat the air, as a result, the inlet air temperature of the air preheater is raised, and the low-temperature corrosion of the air preheater is avoided. The system and the method are applied to biomass-fired boilers or coal-fired (higher sulphur content) boilers.

The invention discloses an ultra-low emission circulating fluidized bed boiler with three stages of desulfurization systems. The three stages of desulfurization systems include a front desulfurizing agent adding system, an inner desulfurizing agent conveying system and a deep flue gas desulfurization system, the front desulfurizing agent adding system is positioned in a coal yard area in front of the boiler, the inner desulfurizing agent conveying system is positioned in a plant area of the boiler, and the deep flue gas desulfurization system is positioned in a tail area of the boiler; the front desulfurizing agent adding system comprises a front desulfurizing agent bin and a front desulfurizing agent gravimetric adding machine below the front desulfurizing agent bin, the inner desulfurizing agent conveying system comprises an inner desulfurizing agent bin and an inner desulfurizing agent conveying feeder below the inner desulfurizing agent bin, and an efficient desulfurizing agent circulating system and a flue gas supplementary dust removing device are further arranged on the deep flue gas desulfurization system. The ultra-low emission circulating fluidized bed boiler has the advantages that the systems are simple, are low in running energy consumption, can be regulated and controlled easily and conveniently, are high in desulfurizing agent utilization rate and desulfurization efficiency and free of water resource consumption and are widely suitable to be used with new circulating fluidized bed boilers in an environment-friendly manner and to modify existing circulating fluidized bed boilers in an environment-friendly manner, and space and equipment investment can be effectively saved.

The invention discloses an iron ore full-dry sorting method, which comprises the following steps: coarsely crushing and screening iron-containing raw ore, performing intermediate crushing on the product on the screen, and performing dry pre-selection with a magnetic pulley together with the product under the screen , the pre-selected concentrate is then subjected to high-pressure roller milling, and the pre-selected tailings are used as sand and gravel aggregates; the pre-selected ore after roller milling is broken up and then screened through a round roller sieve, and the product on the screen is subjected to a magnetic pulley dry pre-selection, pre-selected The concentrate returns to the feeding end of the high-pressure roller mill, and the pre-selected tailings are also used as sand and gravel aggregates; the products under the round roller screen are pre-selected by spiral dry type, and the spiral dry pre-selected tailings are used as coarse tailings, and the pre-selected concentrate enters the heating air In the vertical dry mill; after dry grinding, the product is roughed with a double-magnetic field spiral dry magnetic separator, and the rough beneficiation is subjected to two-stage belt-type magnetic separation, and the final belt-type wind-magnetic concentrate is composed of the rougher concentrate Comprehensive Concentrate. The invention adopts an all-dry beneficiation process, has simple process, low water consumption, high utilization rate of tailings building materials, and no tailings dam.

The invention discloses a comprehensive integrated power generation device with no water consumption, wind and solar thermal energy. The power generation device includes a tower body device built on the top of a mountain or a slope. It is provided with a vertical air duct, a horizontal air duct, an airflow generator and a ventilation control system for controlling the separate ventilation of the two air ducts. The vertical air duct and the horizontal air duct are independently ventilated to drive the airflow generator to generate electricity independently. The present invention designs an integrated device for comprehensive utilization of solar energy, light heat and wind energy, which has the characteristics of no water consumption, high comprehensive efficiency, multi-purpose with the same device, and the like.

The invention relates to a non-hot processing method for zongzi leaves, which comprises the following steps of: soaking indocalamus leaves which sufficiently grow up, but are not provided with obvious wax layers in aqueous solution of sodium hydroxide so as to dewax, soften and clean the indocalamus leaves; taking out the indocalamus leaves, cleaning the indocalamus leaves, draining the indocalamus leaves and then pickling the indocalamus leaves in salt or aqueous solution of salt; and finally, taking out the indocalamus leaves, rinsing the indocalamus leaves in the aqueous solution of salt clean, then classifying the indocalamus leaves according to the standard of the zongzi leaves, respectively placing the indocalamus leaves into plastic bags for food packaging and carrying out vacuum sealing on the plastic bags. The method not only has no energy consumption caused by heating, but also has no water consumption caused by using the previous rehydration process, also has no food safetyhazard and is a processing method which is energy-saving, can be used for reducing the consumption and is convenient and safe.

The invention discloses a liquid slag waste heat recovery system, which comprises a slag buffer device, a flow control device, a centrifugal granulation device and a moving bed device; one end of the slag buffer device is connected to a slag ditch, and the other end of the slag buffer device It is connected to the inlet end of the flow control device, the outlet end of the flow control device is connected to the inlet end of the centrifugal granulation device, and the outlet end of the centrifugal granulation device is connected to the moving bed device; the present invention effectively avoids the The impact of blast furnace intermittent slag discharge on the centrifugal granulation system ensures the stable operation of the centrifugal granulation system and improves the emergency response capability of the waste heat recovery system; through the installation of flow control devices, centrifugal granulation devices and moving bed devices, effective It improves the sufficient heat exchange of slag particles and the smooth discharge of the system, and effectively improves the heat exchange efficiency.

The invention discloses a short process, no water consumption and release paper-saving water-based synthetic leather manufacturing method, the method is characterized in that the foam coating and surface layer are directly coated on the back cover to produce water-based foam Synthetic leather. The synthetic leather produced by this method has a porous structure, which improves the air and moisture permeability of water-based polyurethane synthetic leather (as shown in Figure 1). At the same time, the specific peel strength of the finished leather is greatly improved due to the special back cover technology. Compared with the water-based wet coagulation process, the process of coagulation, washing and salty wastewater treatment is omitted, which has the effect of saving water, reducing emissions, and reducing the amount of the process; Type paper resources and the entire manufacturing process is short, so its production technology is a short process, no water consumption, zero pollution, release paper-saving water-based synthetic leather manufacturing technology, and has broad application prospects.

The invention discloses a solar-powered heat pump unit capable of freely recovering excess heat, which relates to a two-stage heat recovering heat pump device taking atmospheric solar energy as an energy source. The solar-powered heat pump unit comprises an electric compressor, a first-stage heat recovery unit, a second-stage heat recovery unit, a four-way reversing valve, a condenser (serving asan evaporator in winter), an expansion valve, an evaporator (serving as a condenser in winter) and a fan arranged on the condenser (serving as an evaporator in winter). In the unit, two stages of heat recovery units are connected in series and then connected in series with the condenser, so that free recovery of condensation heat is realized on the premise of ensuring normal running of a refrigerating or heating working condition; supercooling heat is obtained during refrigeration, that is to say, excess heat consisting of total condensation heat and supercooling heat is obtained, so that therefrigerating and heating energy and efficiencies are further increased; and the two stages of heat recovery units can be used for preparing hot water of different temperatures, so that the requirements of different users are met and high practicability is achieved.

The invention relates to the technical field of temperature regulation for foundry recycled sand, in particular to a method for cooling recycled water for sand regeneration by utilizing underground low-temperature soil, which is a method for cooling sand temperature regulator cooling water through earth cooling. Foundry sand can meet the use requirement only by temperature regulation after being recycled. In the prior art, one way is to adopt a cooling tower to cool a circulating water system, the temperature of recycled water cooled in this way in summer is still higher, and the temperature of the recycled sand can not be lowered to be in the range required in the process and can only be regulated by adding running water, while the discharge of superfluous water of the system causes the waste of water resources; and the other way is to purchase cooling equipment for cooling, which results in large investment and more electricity consumption. In the invention, a sand temperature regulator cooling and circulating water system is connected to a running water main pipeline in parallel according to the principle of earth cooling, and sealed one-way circulation is carried out by utilizing running water as a cooling medium of the sand temperature regulator. Water absorbing heat transfers the heat to the earth through a buried running water pipeline, thereby the aims of no water consumption and energy resource saving can be achieved.

The invention provides a fish passing system and method free of water resource losses and free water surfaces. The fish passing system is composed of a dam, a fish outlet tunnel, a fish inlet tunnel, a fish collection chamber, a fish outlet gate, a fish inlet gate, a downstream river channel, a sound making unit, a light-emitting unit, a power supply, a material injection machine, a material injection pipe, a fish exploration radar and a master control system. Compared with an existing fish way design method, the fish passing system has the remarkable differences that because the fish passing system is provided with fish passing tunnels and the fish collection chamber which have pressure and are free of free water surfaces, fish way establishment and maintenance expenses are remarkably reduced, project construction lands are greatly saved, almost no water resources are consumed by fish passing, and the fish passing efficiency is improved. A designed fish way can be used for temporary food discharge as well.

The invention discloses a composite fiber curtain filtering spunlaced nonwoven material and a processing method. Copet composite fibers, whitened polyester fibers, and superfine polyester fibers are realized through the following steps according to the mass ratio of 1.5:2.5:1: 1) copet composite fibers , whitened polyester fiber and superfine polyester fiber are mixed according to the mass ratio of 1.5:2.5:1; 2) After the mixed raw materials are mixed and loosened, they are transported to the air box carding machine by a fan; 3) The mixed fibers are carded into a web and transported to the spunlace machine; 4) spunlace processing on the spunlace machine; 5) dehydration treatment; 6) transfer to the dryer for continuous drying and curing after spunlace processing, wherein the curing temperature of the first oven is 160±3°C, and the second The curing temperature of the second oven is 170±3°C, and the speed is 45-50m / min; 7) Calendering finishing; 8) Slitting and packaging processes. The invention can achieve the effects of printing and dyeing, discounting, polishing, etc., and has the advantages of no slurry and low cost.

The invention discloses an auxiliary agent for biomass treatment and a biomass gasification treatment method. The auxiliary agent includes component A, component B and component C; wherein, the component A includes Lewis acid, and any One or more of selected organic acids and protonic acids, the component B is a salt of IA, IIA, IIIA group metal and ammonium, and the component C is one of manganese acetate, manganese sulfate, manganese nitrate species or several. The gasification treatment method is to react the biomass raw material and the auxiliary agent after mixing, and obtain the volatile components and bio-semi-coke after the reaction; the solid-phase materials and bio-semi-coke obtained after the gas-solid separation of the volatile components are respectively fed into the After the biocoke microwave gasification reactor reacts, crude synthesis gas and activated carbon are obtained; the synthesis gas obtained after the gas-solid separation of the crude synthesis gas enters the purification reactor for treatment to obtain purified synthesis gas. The biomass gasification treatment method and system can increase the synthesis gas yield, and the tar content in the obtained synthesis gas product is low.