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

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 method of producing dihydric 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 through the double decomposition reaction between chloride and phosphoric acid, and the remaining reaction products are hydrolyzed, the pH value thereof is regulated, and a dihydric phosphate product is obtained after cooling and crystallization. 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 cost of raw materials can be significantly reduced, the material liquid continues to be in and out, the reaction device is simple and practical, so that large-scale industrialization productioncan be achieved.

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 discloses a treatment device using solar energy for evaporating waste water. The treatment device comprises a solar water heater, an evaporating water tank, a circulating water tank and a circulating water pump, wherein the output end of the solar water heater is connected with the input end of a heat dissipation pipe in the evaporating water tank through a pipeline, the output end of the heat dissipation pipe in the evaporating water tank is communicated with the circulating water tank through a pipeline, the input end of the circulating water pump is communicated with the circulating water tank through a pipeline, and the output end of the circulating water pump is connected with the input end of the solar water heater through a pipeline. The treatment device is low in investment cost, simple in technology, low in operation cost, easy to operate and control and reliable in operation.

The invention relates to a method for drying and crushing muddy materials and a special device, and belongs to the technical field of mud mass crushing in the drying process of muddy materials. The technical solution includes the following steps: ①The muddy material enters the drum dryer from the feeding end, and the drum rotates, and the muddy material moves in the drum to the discharging end, and passes into the heat medium for heat and mass exchange; ②The drum is equipped with Several rods, the angle between the arrangement direction of the rods and the axis of the drum is less than or equal to 45 degrees; ③The muddy material collides with the rods in the process of moving to the discharge end in the drum, breaks, The dried muddy material is discharged at the discharge end of the drum. Beneficial effects of the present invention: light weight, less investment, no shedding, no noise; rods of the same length are installed along the axis of the drum dryer. Compared with the movable wing plate crushing device of the background technology, the total weight of the present invention It is only one tenth of the background technology, and the investment is also one tenth of the background technology. Reducing and eliminating noise is an important technical effect of the present invention.

The invention relates to the field of refrigeration equipment, and discloses a double-air-duct air conditioner and a dehumidification method and system thereof. In the present invention, by acquiring the user-set target temperature Ts, target relative humidity φs, indoor ambient temperature Tin and indoor relative humidity φ, when the target temperature difference E is less than or equal to the first preset temperature difference E1, and the indoor relative humidity φ is greater than Or equal to the first preset relative humidity φ1 or the difference Δφ between the indoor relative humidity φ and the target relative humidity φs is greater than or equal to the preset relative humidity difference φ2, the air conditioner enters the ultra-low sensible heat high latent heat load zone mode, and controls the air conditioner The compressor runs at a low frequency, controls the lower fan to continue running at the low wind speed, controls the upper fan to stop running or continues to run at the low wind speed, controls the upper evaporator to block the refrigerant, and makes the refrigerant flow from the lower evaporator pass. By adopting the invention, the latent heat output of the compressor during low-frequency operation can be increased, the sensible heat output can be reduced, and constant temperature dehumidification can be realized.

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 materialliquid; 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 sufficientto 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 relates to dynamic ice cold storing and refrigerating equipment which comprises a refrigerating unit, an evaporator and an ice storing tank, wherein an air return pipe, a hot air pipe and a liquid supply pipe of the refrigerating unit are respectively communicated with the evaporator; an air return constant pressure electromagnetic valve is arranged on the air return pipe; a hot Freon electromagnetic valve is arranged on the hot air pipe, and a liquid supply electromagnetic valve is arranged on the liquid supply pipe; a refrigerant flow channel is arranged in the a sheet of the evaporator; the evaporator is installed on the top of the ice storing tank; a temperature sensor, a high-material level switch and a low-material level switch are installed on the ice storing tank; aninternal circulating pump which can transmit water in the ice storing tank to the top of the evaporator is installed outside the ice storing tank; an air-conditioning water outlet pipe and an air-conditioning water return pipe are connected to the ice storing tank; an air-conditioning water outlet pump is arranged on the air-conditioning water outlet pipe; a temperature proportion adjusting valveis arranged between the air-conditioning water outlet pipe and the air-conditioning water return pipe; and the air-conditioning water return pipe is communicated with a circulating water pipe. The invention has dynamic ice making and storing mode, flexible running, icing thickness of 5-15 mm, good heat transfer effect, high ice making efficiency, large cold storing amount, small occupation area and low cost.

The invention relates to a dust-removing and dehumidifying air purification device. The dust-removing and dehumidifying air purification device comprises a gas washing chamber, a treatment water circulation device, a dehumidifying device and an electrostatic treatment chamber. Dust removal is conducted through the gas washing chamber, dehumidification is conducted through the dehumidifying deviceand deep purification is conducted through the electrostatic treatment chamber, so that dust-removing and dehumidifying purification treatment on the air is realized. Through the specific arrangementof the devices, the treatment efficiency and the treatment effect are improved; furthermore, through the treatment water circulation device, circulating treatment of the internal treatment water can be realized and secondary pollution to the environment is avoided.

The invention discloses a preparation method of Dendrobium officinale, comprising the steps of: 1) laying the selected Dendrobium officinale on a first bracket for baking, the baking temperature is 50-80°C, and the baking time is 30-60°C; minutes; 2) the baked Dendrobium candidum is placed on the second support for drying. It can be seen from the above technical scheme that since the temperatures of the two baking times are relatively low, the nutrient content of Dendrobium officinale can be guaranteed on the basis of effectively removing water. It can be seen from the above technical scheme that in the preparation method of Dendrobium candidum provided by the present invention, most of the water is firstly baked by 50-80°C to remove most of the water, and then dried. The roasting method, because the temperature of the two roasts is relatively low, will not destroy the nutritional components of Dendrobium candidum, and can ensure the nutritional components of Dendrobium candidum on the basis of effectively removing water.