47results about How to "Low vaporization temperature" patented technology

Systems and methods are provided for applying a high frequency voltage in the presence of an electrically conductive fluid to create a relatively low-temperature plasma for ablation of tissue adjacent to, or in contact with, the plasma. In one embodiment, an electrosurgical probe or catheter is positioned adjacent the target site so that one or more active electrode(s) are brought into contact with, or close proximity to, a target tissue in the presence of electrically conductive fluid. High frequency voltage is then applied between the electrode terminal(s) and one or more return electrode(s) to generate a plasma adjacent to the active electrode(s), and to volumetrically remove or ablate at least a portion of the target tissue. The high frequency voltage generates electric fields around the active electrode(s) with sufficient energy to ionize the conductive fluid adjacent to the active electrode(s). Within the ionized gas or plasma, free electrons are accelerated, and electron-atoms collisions liberate more electrons, and the process cascades until the plasma contains sufficient energy to break apart the tissue molecules, causing molecular dissociation and ablation of the target tissue.

The invention discloses a method for blasting plant biomass walls with oxygen, comprising the following steps of: firstly, adding ethanol, hydrogen peroxide with concentration of 30% and water to crushed plant biomass, mixing the materials to oxidize and soak the materials, and conveying the oxidized and soaked materials to an oxygen blasting tank via a feeding port of the oxygen blasting tank; secondly, sealing the feeding port of the oxygen blasting tank, regulating the temperature of the gas in the oxygen blast tank at 80-150 DEG C and the pressure within 1-4 MPa by conveying pressure air to the oxygen blasting tank, preserving heat and keeping pressure for 20-200 seconds to soak the plant biomass into ethanol, hydrogen peroxide with concentration of 30%, steam and water; and finally, completely opening the discharge port of the oxygen blasting tank within 3 seconds to reduce the pressure in the oxygen blasting tank to the normal pressure. The invention aims to provide the method for blasting plant biomass walls with oxygen, which can be used for completely and uniformly decomposing the plant biomass and realizing industrialization production and has high production efficiency.

This invention is a high efficiency liquid fuel vaporizing combustion device. It includes air chamber, vaporizing chamber and combustion chamber. There is combustion barrel is arranged between air chamber and combustion chamber. Its superior edge extends along horizontal radial direction and forms a ring shaped flange. The lower part of flange connects to air chamber barrel body, the bottom of which connects to air pipe. The radial wall of combustion barrel is arranged with air hole. The center of combustion barrel bottom has vaporizing tank, the center of which is arranged with fuel conveying pipe and nozzle. The internal wall of vaporizing tank has division plate, on which has the communicating hole communicating to the vaporizing chamber. The radial wall of vaporizing tank has fuel releasing hole. There is supporting gasket between vaporizing tank and combustion barrel bottom. Heat transferring medium is arranged inside of vaporizing chamber. This invention is adequate for equipment coordination such as boiler, kitchen range and air conditioner.

The invention aims to provide a brine-desalination method, which organically combines a distillation method and a membrane method for brine desalination, the high pressure of the strong brine of the membrane method is utilized to drive the negative pressure of a Venturi injection pump for lowering the subsequent evaporating pressure, so the evaporating process is carried out under the atmospheric pressure, the evaporating temperature can be effectively reduced, the evaporating energy consumption is saved, the concentration of the evaporating raffinate is high, and moreover, the heat of the evaporating raffinate is utilized for the subsequent crystallization; and the latent heat of the evaporated steam is effectively utilized to heat the brine to be evaporated, the heat energy is further recovered, and the energy consumption is lowered.

The invention discloses a drying device for high-purity silicon materials. The drying device comprises a case. The case is a sealed case with a sealing door, multiple layers of drying plate supports are arranged in an inner cavity of the case, toothed rails are arranged on each layer of drying plate supports, and drying plates are disposed on the toothed rails; two vacuum breaking ports are respectively arranged on side walls of the case; the case is communicated with a vacuumizing device via a vacuumizing port on a side wall, is communicated with a vacuum gauge via a vacuum verifying hole on the side wall and is communicated with a medium circulating heating device via a heat-conduction medium inlet and a heat-conduction medium outlet on the side wall simultaneously; and the vacuumizing device and the medium circulating heating device are respectively connected with a control device via signals. The invention further discloses a drying method for the high-purity silicon materials. The drying method includes placing the to-be-dried high-purity silicon materials in the sealed case; vacuumizing the case by a vacuum pump; heating to dry the high-purity silicon materials; detecting a drying effect in real time; and heating the high-purity silicon materials until technical requirements are met. The drying device and the drying method have the advantages of simple structure and high drying efficiency.

The invention belongs to the field of chemical engineering, and relates to a production technology for ethylene-glycol, in particular to an optimized reaction technology producing ethylene-glycol by adding hydrogen in oxalate. The technology comprises the following steps: adding a raw material oxalate in a vaporization tower directly first; circulating the oxalate in the tower; enabling the oxalate and heated circulating gas in the tower to conduct continuous gas-liquid contact; gradually increasing temperature to a vaporization temperature; taking the oxalate after vaporization and the circulating gas as reaction gas for preheating; pumping the oxalate and the circulating gas in a reactor; heating reaction gas by the product gas after reaction; generating vapor as a byproduct by surplus heat after temperature reduction; reducing the temperature to the temperature required by the inlet of a circulating compressor through air cooling or water cooling. Through the adoption of the technology, equipment investment can be reduced effectively; energy consumption and cost are reduced.

A radiator arrangement in a vehicle (1) powered by a combustion engine (2). The arrangement includes an AC system (20) with a circulating refrigerant which gives off heat in a condenser (12) and absorbs heat in an evaporator (23) and the evaporator is in contact with air close to a cab space (24) in the vehicle (1). A line circuit in which circulating coolant comes into heat-transferring contact with the engine (2). The condenser (12) is in heat-transferring contact with coolant which circulates through the line circuit. An activator for the AC system (20) causes coolant to be circulated through the line circuit when the engine (2) is not in operation. When the engine (2) is cold, coolant in the line circuit delivers thermal energy it acquires in the condenser (12).

The invention discloses capecitabine determination and application thereof. A direct injection method is selected, an organic solvent with the boiling point lower than 70 DEG C under the normal pressure is adopted as a solvent, the temperature of an injection port is 60-75 DEG C, degradation of capecitabine is effectively controlled, and the problem that a capecitabine sample disturbs determination of the content of n-amyl alcohol due to high-temperature degradation is solved. The verification test reproducibility is good, the linear relation is good, the average recovery rate is good, and n-amyl alcohol possibly remaining in the capecitabine sample can be accurately and quantitatively detected out. The content of n-amyl alcohol in the sample is accurately determined, and meanwhile the quality of capecitabine and safety of drug use are ensured.

The invention discloses titanium white gypsum suspension solid-liquid separation and hot-pressing drying equipment and a production process thereof, and solves the problems of single function, filter press plate deformation after long-term use and the like in the prior art. The equipment and the process are characterized in that: mechanical filter pressing and heating are combined, first a hydraulic system and a two-sided elastic water permeable plate are utilized to conduct filter pressing on a suspension so as to realize solid-liquid separation of the suspension, the solid material forms a filter cake in a filter chamber, when feeding is stopped, a heat source is employed to heat a drying plate clinging to the material, moisture in the compact material clinging to the drying plate is vaporized under heating, the volume increases, the generated driving force squeezes the non-vaporized material moisture out of one side of the water permeable plate, at the same time the elastic water permeable plate timely compresses the volume vacated due to moisture decrease under the action of the hydraulic system, thus realizing deep dewatering and drying of the filter cake within a short period of time. The equipment and the process provided by the invention combine mechanical filter pressing and heating drying, and improve the heat efficiency. The equipment provided by the invention has the advantages of small land occupation and low energy consumption, and existing plate and frame type filtration equipment can be transformed into high elasticity hot-pressing drying equipment.

A monoglyceride distillation and purification kettle comprises a shell, a liquid discharge pipe, a liquid storage barrel, two groups of condensers, two groups of vacuum generators, a liquid adding pipe, a mounting barrel, an air outlet pipe, an exhaust pipe and a collecting barrel; a liquid storage cylinder is arranged in the shell; a heating bin is defined by the peripheral face of the liquid storage cylinder and the inner wall of the shell; the heating bin is provided with a liquid inlet pipe and a liquid outlet pipe on the shell; one group of vacuum generators communicate with the liquid storage cylinder and one group of condensers through air pipes; the liquid discharge pipe hermetically penetrates through the shell and communicates with the interior of the liquid storage cylinder; the mounting barrel is connected with the upper end face of the liquid storage cylinder, a piston is slidably arranged in the mounting barrel, and a driving assembly for driving the piston to move is arranged on the mounting barrel; the air outlet pipe is arranged on the mounting barrel; the other end of the air outlet pipe is provided with a condensing plate and communicates with the other group of vacuum generators; the lower end surface of the air outlet pipe is provided with a collecting box and the exhaust pipe; the exhaust pipe communicates with the other group of condensers; and the collecting box communicates with the interior of the collecting barrel through a collecting pipe. The monoglyceride distillation and purification kettle is easy to operate and convenient to use, and the high-purity monoglyceride can be efficiently prepared.

The invention discloses a heat dissipation system based on a pump drive capillary phase change loop. The heat dissipation system comprises a first liquid pipeline, a second liquid pipeline, a steam pipeline, an ejector and an evaporator. The first end of the second liquid pipeline is communicated with the first end of the first liquid pipeline through the ejector, and the second end of the secondliquid pipeline is communicated with the second end of the first liquid pipeline through the evaporator; the first end of the steam pipeline is communicated with the first end of the first liquid pipeline through an ejector; the second end of the steam pipeline is communicated with the second end of the first liquid pipeline through the evaporator; an active heat dissipation technology and a passive heat dissipation technology are combined; the heat exchange capability is improved by utilizing phase change latent heat of the working medium; the heat dissipation system meets the heat dissipation requirement of high heat flow density, has high heat transfer efficiency, improves the power of electric power and electronic devices, improves the working efficiency of the electric power and the electronic devices. The defects that a loop heat pipe and a capillary pump loop are small in transmission distance, difficult to start and the like are overcome, and the heat dissipation system adaptsto heat dissipation of the electronic devices with different heat flow densities.

The invention aims to solve the problem of high lactic acid content in residual liquid in a tower kettle according to a molecular distillation method for extracting lactic acid. The extraction is introduced into the molecular distillation method, a mixture of isopropyl ether and isopropyl acetate is taken as a No.1 extraction agent for extracting for the first time and recycling the lactic acid from the residual liquid in the tower kettle, and the rough lactic acid acquired after the extraction agent is recycled is returned into a molecular distillation device, so that the efficiency of recycling the lactic acid according to the molecular distillation method can be increased; and a mixture of tributyl phosphate, n-caprylic alcohol and hydrogenated kerosene is taken as a No.2 extraction agent for extracting for the second time, lime milk is adopted for carrying out reverse extraction so as to acquire calcium lactate emulsion, and the calcium lactate emulsion can be used for further preparing the lactic acid. The purity of the lactic acid acquired according to the method is above 95%, the recovery rate of the lactic acid (excluding the lactic acid recycled from the calcium lactate emulsion) is above 83%, and the method has the advantage of high recovery rate.

The invention discloses a smokeless anti-fatigue moxa-moxibustion stick and a preparation method thereof. The smokeless anti-fatigue moxa-moxibustion stick comprises, by weight, moxa carbon powder, chrysanthemum extract, Siberian elm bark powder, epimedium herb powder and rubber powder. Chrysanthemum is treated by matching various processes, and effective components including linarin in the chrysanthemum are extracted at the highest extraction rate. Compared with a general traditional extraction method, the matched various processes can maximally extract the linarin and other effective components in the chrysanthemum, the chrysanthemum extract serving as a raw material is added in the preparation process of the moxa-moxibustion strip, efficacy can be maximally played, and moxibustion heat enters a human body when the moxa-moxibustion stick enters is combusted, so that an anti-fatigue function is achieved.

The invention belongs to the technical field of chemical processes, and particularly relates to a method for producing deoxygenated water by taking low-temperature heat as a heat source, namely a negative-pressure thermal deaerator system taking low-temperature heat as a heat source. The method provided by the invention comprises the following steps: under a negative pressure condition, carrying out heat exchange on water by using a low-temperature thermal medium to produce steam, and stripping the demineralized water by using the steam to obtain the deoxygenated water. According to the method provided by the invention, the low-temperature heat production steam is used as a steam stripping medium to prepare the deoxygenated water, so that the fuel consumption can be effectively reduced, the operation cost of a refinery enterprise is reduced, the pollutant emission is reduced, and the method is green and environment-friendly. The invention finds a way for efficiently utilizing low-temperature heat for refinery enterprises.

The invention discloses a photo-thermal different-energy-gathering heat pump integrated system, and relates to the technical field of energy utilization. The plate heat exchanger is communicated with the liquid storage tank; the evaporator is communicated with the plate heat exchanger, and an enthalpy supplementing expansion valve and an electronic expansion valve are arranged between the evaporator and the plate heat exchanger; the compressor is communicated with the plate heat exchanger; the liquid storage separator is communicated with the compressor; a channel is formed in the heat collection panel, and the two ends of the channel communicate with the liquid inlet and the liquid outlet correspondingly. The four-way valve is communicated with the tee joint, a liquid inlet of the heat collection panel is communicated with the tee joint, a liquid outlet of the heat collection panel is communicated with the four-way valve, a one-way valve is arranged between the heat collection panel and the four-way valve, an electromagnetic valve is arranged between the heat collection panel and the tee joint, and the compressor and the liquid storage separator are both communicated with the four-way valve. The two ends of the refrigerant area communicate with the liquid storage tank and the four-way valve correspondingly, and the water area is provided with a water inlet and a water outlet. Therefore, the problem that in the prior art, a heat supply system is low in energy utilization rate, and consequently the heat supply effect is poor is solved.

The invention provides a method for STC vaporization and hydrogen mixing, and relates to the technical field of cold hydrogenation processing. The method comprises: liquid-phase STC preheating pressurizing, STC heat preservation hydrogen bubbling, STC heating vaporization, preheated hydrogen mixing and other steps. According to the invention, the method overcomes the defects in the prior art, effectively reduces the industrial vaporization temperature of STC, enables STC to be more fully mixed and reacted with hydrogen after vaporization so as to achieves the energy-saving effect, and is simple to operate, lower in cost and suitable for large-scale production and use in factories.