750 results about "Heating oil" patented technology

The invention discloses a method for preparing a precursor for chemical vapor deposition of metallic rhenium and belongs to the technical field of material preparation. According to the method, ReCl5 is made to react in an oxidizing atmosphere, efficient solid-liquid-gas separation is conducted on reactants and products with a sand core filter bulb so that reactants, reaction products and waste gas can be effectively separated, the reaction products ReOCl4 and ReO3Cl are gathered in a collection vessel heated by an oil bath pan at the same time, oxygen introduction is stopped after reaction ends, circulation of inert gases is maintained, a tube furnace is cooled, the oil bath pan is heated at the same time to enable ReO3Cl to volatilize to enter a rectification unit to be collected, ReOCl4 is purified, and then the high-purity precursor ReOCl4 for chemical vapor deposition of metallic rhenium is obtained. By the adoption of the method, reaction efficiency is high, ReOCl4 and ReO3Cl are separated through rectification, and the purity of the product ReOCl4 is improved.

The invention relates to a method and device for refinery sludge carbonization treatment and carbon recovery. The method comprises the following steps: pre-treatment: heating oil-containing sludge to 160-180 DEG C in an external heating manner while isolating air, and ensuring that the water content of the oil-containing sludge is controlled at 20% or below; carbonization: carbonizing the oil-containing sludge at 600-650 DEG C for 30-45 minutes, and recovering the solid residue generated by carbonization; condensation and oil-water separation: collecting gas-phase products generated by pre-treatment and carbonization, condensing in a water spray manner to obtain carbonization liquid and non-condensable gas, and performing oil-water separation on the carbonization liquid to obtain carbonization oil; utilization of combustible gas: performing combustion treatment on the non-condensable gas, enabling high temperature generated by combustion to provide heat energy for pre-treatment and carbonization, and performing purification treatment on the tail gas before discharging. The invention also provides a device for realizing the method. According to the invention, the advantages of high oil content recovery rate and stable and reliable process operation are achieved.

Disclosed is an oil burning system that is capable of burning oils of varying viscosities, including high viscosity waste oils and low viscosity heating oils. Suitable as a new installation or a retrofit modification, the present invention incorporates the use of a variable rate, high-pressure oil delivery system, along with an oil pre-heater, in conjunction with a modified high-pressure atomizing nozzle. Installed in a sliding drawer burner arrangement that allows for quick and easy access, the oil burning system also includes a means by which particulate matter and carbonization build-ups are removed from the burner nozzle automatically, thereby eliminating the need for frequent cleaning.

The method for the reformation of fuels, in particular of heating oil (20′) and of another liquid fuel is carried out using an oxygen containing gas (5a, 5b, 21′, 22′). The method includes the following steps:

• • formation of a fuel/gas mixture by dispersing of the fuel in a jet of the oxygen containing gas (21′);
  • additionally an admixture of gas of a return flow (3b) and vaporization of the dispersed fuel;
  • generation of synthesized gas from the gas mixture by means of partial oxidation and also reformation processes by heterogeneous catalysis;
  • branching off of the produced synthesized gas into a product flow (3a) and the return flow (3b) for a recirculation; and
  • a regulated extraction of heat from the return flow for the setting of a predetermined temperature of a catalyst support (10) on which the heterogeneous catalysis takes place.

The invention discloses a continuous production device of biodiesel, which comprises a biodiesel reaction device, a connecting pipeline, and a metering pump, a delivery pump and a flow meter, wherein the metering pump, the delivery pump and the flow meter are arranged in the pipeline; the biodiesel reaction device comprises a mixer 2, a heater I3, a pipeline reactor I4, an esterification reaction tower 5, a catalyst separator 10, a methanol storage tank 9, a pipeline reactor II24, a flash column 15, a glycerin separator 16, a distillation tower 17 and a biodiesel storage tank 19. A method for preparing the biodiesel by the continuous production device comprises the steps of: pretreating high acid value raw oil, carrying out first stage esterification reaction and second stage esterification reaction, separating by a catalyst, carrying out transesterification, and finally separating and distilling flash and glycerin which are obtained by heating oil after transesterification to obtain the biodiesel. The method disclosed by the invention is simple in production technology, wide in application scope of equipment for the raw oil quality, low in production energy consumption, higher in conversion rate and more environment-friendly, and more effectively improves the production quality and the yield of the biodiesel.

A process for the preparation of a fuel oil (diesel fuel or heating oil) composition which is a mixture of an alkanol tranesterified fatty acid ester triglyceride and an acetal of glycerol is described. The process preferably provides a prestep of the formation of at least some of the alkanol transesterified triglyceride containing the glycerol for use in the formation of the acetal of glycerol. The composition can also be formed from a reaction of 1,1- dimethoxy- or 1,1-diethoxyethane and glycerol to form the acetal in the alkanol transesterified triglyceride.

In order to keep diesel or heating oil obtained by fractional distillation, in particular after depolymerization of residues, or pyrolysis oil that was obtained by pyrolysis of rubber or organic substances, permanently clear and light, first, the process of discoloration (darkening) is allowed and then a second distillation is carried out, through which a permanently clear and light heating, diesel or heavy oil is obtained.

The invention discloses an eddy current heating oil shale underground in-situ mining method. The method comprises the steps that a mining well is drilled from the ground to a target oil shale layer, a propping agent containing ion particles is adopted during fracturing, and the iron particles are pressed into clearances of the oil shale layer; then a gas injection well is drilled again to the target oil shale layer within the fracturing range with the fracturing well as the center; an eddy current effect magnetic field generator is tripped in the well bottom of the gas injection well; nitrogen is introduced into the gas injection well for system internal circulation; the eddy current effect magnetic field generator is started to generate a high-frequency strong magnetic field, the iron particles in the oil shale layer are heated due to the eddy current effect at this moment, and then oil shale is heated to carry out in-situ fracturing on kerogen; nitrogen can carry shale oil and combustible gas and returns to the ground from the mining well, and after oil and the combustible gas are separated through a comprehensive separator, remaining gas is injected into the gas injection well again for circulating. The heating process of the oil shale can be effectively accelerated, the energy utilization rate can be increased, and the heating cost can be reduced.

The invention discloses a deep water pipeline composite polyurethane elastomer heat insulation layer casting molding device. A subsection machining and integral assembly mode is adopted in a die, heating temperature control devices are arranged corresponding to subsection assemblies in subsections, and heating oil passages are arranged opposite; a positioning structure and a sealing structure arearranged in the parting surface of the die; and the die is provided with a die opening device, a die closing and an inclination device controlled by a hydraulic system. The device realizes mechanicaloperation of casting molding of a product, and has practical structure and strong operability; by adopting subsection machining in the die, the machining difficulty and the machining cost are reduced, and the machining precision and the machining quality are improved; and meanwhile, three sets of heating devices are used corresponding to three sections of assemblies, so that the heating temperature difference is reduced, the quality of the cast product is improved, automatic control of the temperature of the casting die can be realized, the heat insulation time of the polyurethane heat insulation layer in the die is shortened, and the service efficiency of the casting die is improved.

The invention relates to a thermostable viton gasket, which is mainly used as sealing element in plate exchanger using high temperature steam and heating oil. The viton gasket comprises 70-75 wt% of F26 ready-mixed glue and 25-30 wt% of HNBR ready-mixed glue. Said F26 ready-mixed glue comprises 100 wt% of 26-style rubber, 2-2.2 wt% of hexaflurate bisphenol A and so on. HNBR ready-mixed glue comprises 100 wt% of hydrogenated rubber, 48-52 wt% of black pigment and so on. The invention can resist high temperature steam and oil.

The invention provides a multi-split heating oil return control method and a multi-split air conditioner. The multi-split heating oil return control method comprises the steps that the continuous heating halt duration of each indoor unit is obtained; when the target indoor unit with the heating halt duration exceeding the preset time duration exists in the indoor units, the target indoor unit is controlled to gradually increasing the opening of a corresponding expansion valve from the halt opening; and after the expansion valve corresponding to the target indoor unit reaches the preset first opening, the opening of the expansion valve is controlled to be gradually decreased. By means of the multi-split heating oil return control method, in the multi-split air conditioner heating operationprocess, oil return can be achieved in time in a targeted mode, and the problem that a compressor is lack of oil is avoided; the pressure relief phenomenon is effectively prevented from being producedin the oil return process, and the operation effects of other indoor units operated normally are ensured.

A method for filtering and purifying hydraulic oil comprises the steps of (1) using an electrical heating system for heating oil to 60 DEG C; (2) performing primary filtering through a first filtering device which comprises novel high-gradient electromagnetic filters connected in parallel so as to filter ferromagnetic corrosion products in the oil and macromolecules generated by oxidation during usage of the hydraulic oil; (3) performing secondary filtering through a second filtering device to remove large solid particles; (4) subjecting the oil to tertiary filtering through a third filtering device which comprises common parallelly-connected filters high in filtering accuracy to form redundancies; (5) opening exhaust valves which are mounted after filtering of all stages to remove gas impurities in the oil and bubbles generated during filtering; (6) removing moisture in the oil through an oil-water separation system; (7) monitoring the oil cleanliness class in real time through a contamination particle counter, and closing a solenoid valve of an oil return pipe when the purification class requirement is reached.

A process for preparing oyster product comprises the steps of, (1) beating oyster meat, (2) shredding the processed vegetable into pulp, mixing the oyster pulp with the vegetable pulp, adding in seasoning, mixing homogeneously into size mixture, (3) heating oil, charging seasoning and the size mixture and frying.

The invention discloses an oil dewaxing process and an oil dewaxing device. The process comprises: heating oil to be dewaxed till the wax is molten completely, transferring the oil to a crystallizing tank, and subjecting the oil to crystallization and crystal growing according to preset crystallization menu in the crystallization tank; delivering the crystallized oil into a membrane filter press, filtering, transferring the separated dewaxed oil into a dewaxed oil tank, and thus, completing dewaxing. The dewaxing device comprises the crystallization tank, wherein the crystallization tank is connected with the membrane filter press through a feeding pump; and the discharging port of the membrane filter press is connected with the dewaxed oil tank. Compared with the conventional dewaxing process, the process and the device have the advantages that: the need of any aid filtering agent is obviated, so the production cost is effectively reduced; the oil product is natural and environment-friendly, and the loss of oil is low; by wax by product is pure, does not contain any aid filtering agent, can be directly used in industrial production of edible wax, avoids any environment pollution and requires little equipment investment; and the automation degree of the device is high, and the device is more suitable for large-scale industrial production.