33results about How to "Reduce evaporation area" patented technology

The invention discloses a variable frequency air conditioning unit which solves the problem that in the prior art, the control over temperature and humidity precision by an air conditioner is lower. The variable frequency air conditioning unit comprises a compressor, a condenser, an expansion valve and an evaporator which are sequentially connected. The compressor is further connected with the evaporator. A condensing fan is further arranged above the condenser. An evaporating fan is further arranged above the evaporator. The compressor is a variable frequency compressor, the expansion valve is an electronic expansion valve, and a liquid storage tank is arranged between the condenser and the expansion valve. A humidifier and an electric heater are respectively arranged at an air supply outlet of the evaporating fan. A dehumidifying electromagnetic valve is further arranged between the expansion valve and the evaporator. The variable frequency air conditioning unit provided by the invention has the advantages of high precision control and energy-saving and the like, and is suitable for application.

The invention relates to a method for preparing dual-sharp printing wires by one time. The invention comprises that sheathing a film outside the polyester wires to form wire beam to be cut into wire cake; packing the wire cake by the politef coat, and be tied by the beam; immerging the wire cake in the processing liquid of shaping kettle, for 25-35min at 115-128Deg. C, while the processing liquid is formed by mixing caustic soda, caustic potash, or lithium hydrate and water, and the processing liquid is added as 28-42%; taking out the wire cake, removing the coat, washing in water to remove the left liquid and corrosion material, arranging into fixed support to be dewatered by dewatering machine, dried or baked by bake oven to be packed into final product. The invention has high efficiency and low cost, without pollution.

The invention provides a process and system for treating high salinity wastewater in the coal chemical industry. The process comprises a secure treatment procedure, an ionic membrane concentration procedure and a reverse osmosis (RO) procedure, wherein ED water inflow is obtained after the high salinity wastewater in the coal chemical industry is treated by adopting the secure treatment procedure and has hardness not more than 50mg/L; an ionic membrane is adopted for concentration treatment on the ED water inflow; ED strong brine and ED dilute brine are obtained after the ED water inflow is treated by the ionic membrane concentration procedure; RO desalted water and RO strong brine are obtained by treating the ED dilute brine by adopting an RO membrane; and the RO strong water phase flows back to a water inflow section of the secure treatment procedure. The process has the beneficial effects that total recovery of water resources and salt can be achieved by treating the high salinity wastewater in the coal chemical industry by adopting an electrodialysis and RO coupling process, thus achieving zero discharge treatment of the high salinity wastewater in the coal chemical industry; and the whole process has high stability and reliability.

The invention discloses a production method of composite phosphate, which essentially comprises steps as follows: firstly, chloride is mixed with excessive phosphoric acid in order to obtain material liquid; secondly, the material liquid is added into the spray dryer to atomize into tiny droplets; thirdly, the droplets are instantaneously contacted and heated with as much hot air as is sufficient to enable double decomposition reaction between chloride and phosphoric acid to happen, so that hydrogen chloride gas escapes, and the remaining things are reacted to obtain a compound phosphate product. The production method has technical advantages that the shortcomings of prior art can be overcome, the spray dryer is adopted as a core reactor to atomize the material liquid into small droplets to be contacted with the high-temperature hot air, the specific surface area of evaporation is maximum, so that the escaping time of HCl and the water vapor is 3 to 8 seconds only, the reaction conversion rate reaches up to 97 percent, the material liquid continues to be in and out, and large-scale industrialization production can be achieved.

The invention discloses a vacuum concentrator. The vacuum concentrator comprises a heater and an evaporator, wherein a gas outlet of the heater is communicated with a steam inlet of the evaporator; a condensing passage is arranged inside a condenser; a steam outlet of the evaporator is communicated with an inlet of the condensing passage; a liquid collector is arranged below the condenser; the condensing passage stretches into the liquid collector from the top of the liquid collector; a vacuum tube is arranged on the liquid collector; the distance between the vacuum tube and an outlet of the condensing passage is proper when condensate flows out of the outlet of the condensing passage and is not brought out of the liquid collector by a vacuum system; a liquid draining port is connected with a water draining pump; and the outlet of the condensing passage is positioned above the liquid surface of the condensate inside the liquid collector. The vacuum concentrator can be used for concentrating liquid materials in chemical, pharmaceutical and food industries and the like.

The invention discloses an electric stewing pot and an electric saucepan. The electric stewing pot comprises a water container, a heater and a water tank, wherein the water tank and the water container are communicated by a water channel capable of communicating the water in the water tank with the water in the water container, and the water channel is upward arranged at an opening in the water container. According to the technical scheme, the storing water of the water tank is increased, and while the water in the water container is heated and evaporated, the water in the water tank is automatically replenished into the water container, so that the water evaporation area and the once heating water volume of the water container are greatly reduced, the energy resource is saved and the stewing time is prolonged.

The invention discloses a preparation method of dendrobium officinale. The method comprises the following steps: 1) flatly paving the selected dendrobium officinale on a first bracket and baking for 30 to 60 minutes at a temperature of 50 DEG C to 80 DEG C; 2) putting the baked dendrobium officinale on a second bracket and drying. According to the technical scheme, the temperatures during the baking twice are both low, so that nutritional ingredients in the dendrobium officinale are ensured on the basis that water in the dendrobium officinale is effectively removed. Based on the technical scheme, according to the preparation method, firstly, the majority of water in the dendrobium officinale is removed by baking the dendrobium officinale at a fire of 50 DEG C to 80 DEG C, and then the dendrobium officinale is dried. Thus, compared with the treatment mode of direct high-temperature baking in the prior art, according to the method disclosed by the invention, the temperatures during the baking twice are both low, so that the nutritional ingredients in the dendrobium officinale are not damaged. As a result, the nutritional ingredients in the dendrobium officinale are ensured on the basis that the water in the dendrobium officinale is effectively removed.

The invention discloses a preparation method of a long-acting sand-fixing agent, and belongs to the technical field of sand prevention and control. Modified bacterial cellulose and water are mixed according to a weight ratio of (1 to 8) to (1 to 10); sodium hydroxide solution of which mass is 0.1 to 0.2 time of that of the modified bacterial cellulose, crylic acid of which mass is 0.5 to 0.6 timeof that of the modified bacterial cellulose, an initiator of which mass is 0.1 to 0.2 time of that of the modified bacterial cellulose and N,N'-methylene bisacrylamide of which mass is 0.2 to 0.3 timeof that of the modified bacterial cellulose are added; a stirring reaction is performed in the nitrogen atmosphere; vacuum drying, grinding and sieving are carried out to obtain the long-acting sand-fixing agent. The long-acting sand-fixing agent prepared by the preparation method has excellent water retention performance.

The invention discloses a humidifier, which comprises a cabinet, a water tank, a water pump, a water pipe, a filter unit, a water sprinkler, a wet film and a fan, wherein the water tank is arranged at the bottom part of the cabinet; the water pipe and the wet film are fixedly connected onto the side wall of the cabinet; one end of the water pipe is connected with the water pump arranged in the water tank; the other end of the water pipe is connected with the filter unit; the other end of the filter unit is connected with the water sprinkler; the water sprinkler is located above the wet film; water pumped out by the water pump flows to the filter unit by the water pipe; the water is filtered by the filter unit; the filtered water is sprinkled into the wet film by the water sprinkler; the fan is located at the rear of the wet film; air in front of the wet film is blown out from an air outlet after being sucked into the cabinet from an air inlet. According to the humidifier disclosed by the invention, the air is humidified by the wet film, and after the air passes through the wet film, the humidity can be greatly increased, and a humidifying effect is good.

The invention discloses a soft floating roof method for reducing evaporation of a liquid fuel storage tank through a hollow plastic product. The hollow plastic product is prepared from nylon 6, nylon 66 and PEEK (polyether-ether-ketone) or PI (polyimide) as substrate materials (master batch) as well as a flame retardant and a static electricity conductive agent with an injection welding process or a hollow blow molding process. The hollow plastic product adopts hollow spheres with the diameter ranging from phi 10 mm to phi 200 mm and the wall thickness ranging from 0.5 mm to 5 mm, and the surfaces are not coated. The soft floating roof method is applicable to storage tanks in various shapes, can realize mechanical filling and solves the problems of high fabrication cost, high maintenance cost, limited lifting and dropping speeds, high probability of subsiding accidents of a chuck and a floating tray, limited lowest dropping height and the like of traditional floating roofs; and the hollow plastic product floating on the liquid level in the storage tank is flame-retardant, high-temperature resistant, high in chemical inertness and long in service life, can be mechanically recovered, has no adverse effect on the structure of the storage tank and does not affect normal maintenance of the storage tank.

A breeding cage with a stereo multi-layered excrement channel structure comprises breeding cage bodies, cage frames and the excrement channels, and is characterized in that each breeding cage body is provided with an independent excrement channel; each cage frame is provided with a plurality of breeding corridor layers surrounding the corresponding breeding cage bodies; 2-3 breeding cage bodies can be mounted on each breeding corridor layer; the excrement channels are V-shaped trough plates and are mounted below the breeding cage bodies on the cage frames; and two sides of each excrement channel are in seamless connection with the corresponding breeding corridor layers. Each cage frame has the stereo structure and is provided with the corresponding breeding corridor layers, each breeding cage body is provided with the corresponding independent excrement channel, the density space of the multi-layered stereo breeding cage for the rabbit industry is optimized, high-layered stereo breeding is simplified into planar breeding, and excrement and urine of the layers of the rabbit cages are not affected; and when dropping, the excrement and the urine of rabbits roll to the centers along inclined surfaces of the V-shaped trough plates of the excrement channels, and are washed with water or are automatically cleaned by a narrow conveying belt type excrement cleaning machine, and therefore, the sanitary environment of a rabbit house is remarkably improved.

The invention discloses a drought-resisting and flood-draining method and device for a dry sloping field based on soil and mother rock integrated cultivation, and belongs to the technical field of agricultural production. The method solves the problems that in the prior art, due to the fact that a soil layer is light and thin, the soil moisture capacity is small, the water retention and drought resistance capacity is poor, and rainwater seasonal distribution is uneven, early-stage drought and later-stage waterlogging restrict agricultural production of the calcareous purple soil drought slope land, and comprises the steps that soil and mother rock integrated cultivation is carried out on thin-layer shale purple soil; wherein a part of uncultivated soil layer is reserved between every two adjacent upper-layer soil crushing devices, a soil hard blocking ridge is formed on the lower layer of the soil, shale is crushed through the lower-layer mother rock crushing device, and the crushed mother rock debris forms a mother rock debris covered channel on the lower portion of the soil layer, so that soil and mother rock integrated cultivation is achieved, and the soil and mother rock integrated cultivation efficiency is improved. The technical effects of improving the drought resistance, enhancing the flood drainage capacity, collecting water in all directions of runoff and interflow and optimizing the rainwater utilization rate are achieved.

The invention discloses an evaporator and a refrigerator, wherein the evaporator comprises an evaporator pipeline and an evaporator thermal conductive plate, a through hole is disposed in the evaporator thermal conductive plate, and the evaporator pipeline is disposed on the evaporator thermal conductive plate and circuitously winded around the through hole. The evaporator provided by the invention can uniformly transmit cooling capacity and distribute temperature uniformly.