40results about How to "Guaranteed evaporation efficiency" patented technology

The invention relates to a stable chemical steam flow generating device, which effectively solves the problem that the temperature-controlled steam flow generating device is not suitable for active reagents; plate and a slant plate, the slant plate is located at the top, the slant plate and a plurality of horizontal plates divide the middle chamber into multiple evaporation chambers, the lowest part of the slant plate is pierced with a first vertical tube that can move up and down, the first vertical tube A second through hole is opened on the side wall of the tube, a second vertical tube is pierced on each horizontal plate, a third through hole and a fourth through hole higher than the third through hole are opened on the side wall of the second vertical tube, The third through hole can be opened and closed. The opening of the third through hole can quickly drain the reagent in the evaporation chamber. By adjusting the height of the second through hole and the opening and closing of the third through hole, the liquid on the horizontal plate and the inclined plate can be adjusted. surface area; the present invention controls the steam concentration by controlling the evaporation area to avoid the situation that the temperature change causes the decomposition of the reagent or the change of the chemical property.

The invention relates to a combined water film evaporative air-conditioning cooling device for a subway station. The current subway air-conditioning ventilation system is high in energy consumption, large in size, and high in engineering investment and operation cost. The device is provided with air inflow distribution control valves, a circulating water pump, water film evaporative cooling module units, an air-water separator and an air outflow collecting cover sequentially in an air inflow direction, wherein the water film evaporative cooling module units, a guide groove, the air-water separator and the air outflow collecting cover are connected into a detachable mobile water collecting tank. The combined water film evaporative air-conditioning cooling device is based on a water film evaporative cold source-free air-conditioning principle of heat and humidity exchange; a modular structure form is adopted, so that the device is convenient to transport, mount, and maintain, simple in system, flexible to control, and high in adaptability, and operates flexibly; the detachable mobile water collecting tank and the air-water separator are convenient to clean periodically, so that bacterial growth is reduced; the quality of treated air is improved; the loss of circulating water is reduced; the water treatment expense and operation cost are lowered; and a water resource is saved.

The invention relates to a stable steam flow generating device for chemical experiments, which effectively solves the problem that the temperature-controlled steam flow generating device is not suitable for active reagents; the technical solution includes multiple horizontal plates arranged at intervals up and down in the housing and A slanted plate, the slanted plate is located at the top, the slanted plate and multiple horizontal plates divide the middle chamber into multiple independent evaporation chambers, the lowest part of the slanted plate is pierced with a first vertical tube that can move up and down, the first vertical tube There are through holes on the side wall of the pipe, a second vertical pipe is pierced on each horizontal plate, and a vertical groove is provided on the side wall of the second vertical pipe. By adjusting the height of the first vertical pipe and the opening height of the vertical groove, the Adjust the liquid level on the horizontal plate and the inclined plate, thereby adjusting the evaporation area; the invention controls the vapor concentration by controlling the evaporation area, avoiding the decomposition of reagents or the change of chemical properties caused by temperature changes.

The invention belongs to the technical field of solvent recycling, and more specifically discloses a waste solvent recycling device. The waste solvent recycling device comprises a raw material feedingunit, a distillation unit, and a condensation unit; the distillation unit comprises a pedestal, a rotating cylinder, a spiral barrel, and a differential mechanism; the side wall of the rotating cylinder and the side wall of the spiral barrel are provided with sandwich layers; the spiral barrel is rotatingly arranged in the rotating cylinder; the sandwich layer on one end of the rotating cylinderis communicated with the sandwich layer of the spiral barrel; the rotating cylinder is rotatingly arranged on the pedestal; one end of the rotating cylinder is designed to be tapered, and the other end is designed to be cylindrical; the external wall of the spiral barrel is provided with spiral blades; one end of the spiral barrel is connected with a feed pipe; a doctor blade is arranged in the spiral barrel in a sliding manner; a pressure valve is arranged on the doctor blade; the spiral barrel and the doctor blade are connected via a spring; the spiral barrel is provided with a discharge hole; one end of the rotating cylinder is provided with a solid output pipe, and the other end is provided with a gas liquid outlet pipe. The waste solvent recycling device is used for recycling waste solvent; in distillation treatment, adhesion of colloid materials onto the internal wall of the distillation unit is avoided, and influences on normal operation of distillation are avoided.

The invention provides an evaporation system of wastewater treatment equipment, and belongs to the technical field of environmental engineering. The evaporation system of the wastewater treatment equipment solves the problem that the evaporation efficiency of the evaporation system of the existing wastewater treatment equipment is low. The evaporation system of the wastewater treatment equipment of the improved structure comprises an evaporation chamber, wherein a plurality of layers of flow guide grooves are fixed in the evaporation chamber; the evaporation chamber is integrally sealed; the evaporation chamber is provided with an air inlet positioned at the lower part and an air outlet positioned at the upper part; each flow guide groove is in a flat plate shape; a water inlet structure is arranged above the flow guide groove at the uppermost layer; a water discharging opening is formed under the flow guide groove positioned at the bottommost layer; the groove surface of each flow guide groove is in upward arrangement; the water outlet end of the flow guide groove at the upper layer and the water inlet end of the adjacent flow guide groove at the lower layer are positioned at the same side; the water outlet end of each flow guide groove is provided with a first baffle plate for blocking wastewater, and is also provided with a plurality of water outlet holes through which the wastewater passes. The evaporation system of the wastewater treatment equipment of the improved structure has the advantages that the evaporation efficiency is high, and the evaporation effect is good.

The invention belongs to the technical field of solvent recycling, and particularly discloses a method for recycling an automobile industry waste solvent. The method comprises the following steps: (1)simple distillation: distilling the waste solvent by adopting a distilling apparatus, and obtaining liquid comprising xylene and n-butyl acetate; (2) magnetization: pumping the liquid obtained in step (1) into a closed magnetizing tube to be circularly magnetized; (3) extraction rectification: extracting the liquid treated in the step (2) by using N-methyl pyrrolidone as an extraction agent by virtue of an extraction rectification tower with 40 to 80 theoretical tower plates, and obtaining an xylene solution and a residual solution; and (4) intermittent rectification: treating the residual solution in an intermittent rectification manner, wherein the rectification parameters are set as follows: the consumption of cooling circulating water: 48 to 60 m<3> / h; the steam pressure: 0.5 to 0.7 MPa; the steam consumption: 0.3 to 0.5 t / h; and power load of the apparatus: 45 to 50 KW. By adopting the method, the waste solvent can be distilled for multiple times, and the waste solvent can be effectively recycled.

The invention discloses a sewage treatment plant for a temporary prefabricated house, belonging to the field of sewage treatment. The sewage treatment plant for the temporary prefabricated house comprises a base plate, an evaporative cylinder arranged on and fixedly connected with the base plate, and a water inlet pipe arranged on and fixedly connected with the evaporative cylinder. The sewage treatment plant provided by the invention can realize gradual heating evaporation of water in a heat-conducting rotating cylinder; the heat-conducting rotating cylinder can rotate, so during rotation of the heat-conducting rotating cylinder, a part of water in the heat-conducting rotating cylinder passes through filter membranes on the heat-conducting rotating cylinder under the action of centrifugal force and blown to evaporation ring pieces located on the inner wall of the heat-conducting rotating cylinder; the evaporation ring pieces carry out evaporation on the water; a drawing fan draws off heat produced by stainless steel heating plates and a stainless steel heating base plate, and the heat is conveyed to sewage in the heat-conducting rotating cylinder by an air conveying pipe, so evaporation efficiency is further improved; steam obtained after evaporation is treated by a condenser so as to produce clear water; and an operator discharges the clear water obtained after treatment. The sewage treatment plant is labor-saving and time-saving in treatment of sewage from the temporary prefabricated house, and is convenient for operation and waste water treatment.

The invention discloses a production method of electronic-grade sulfuric acid, which belongs to the technical field of electronic chemical production. The production method includes normal temperature absorption conversion, negative pressure low-temperature evaporation, low temperature absorption and temperature-increasing degassing steps, wherein the normal temperature absorption conversion is to absorb the sulfur trioxide in the furnace gas through concentrated sulfuric acid to obtain fuming sulfuric acid, and then use the fuming sulfuric acid Oxidative transformation of hydrogen peroxide aqueous solution; wherein the negative pressure low-temperature evaporation is to use an evaporation purification device to evaporate sulfur trioxide gas without boiling the liquid under the condition of low-temperature hot water below 50 ° C as the heating medium; Low-temperature absorption is absorption with ultra-pure water or ultra-pure sulfuric acid at low temperature; temperature-increasing degassing is the process of removing gas in a liquid at a temperature slightly higher than normal temperature. The production method can ensure the safety of operation while obtaining high-quality electronic-grade sulfuric acid and ensuring the output and efficiency.