85results about How to "Easy to drive and park" patented technology

The invention discloses a technology and a device for removing hydrogen, nitrogen and carbon monoxide from methane rich gas and producing liquefied natural gas (LNG). The technology comprises two parts, namely low-temperature liquefaction and rectification separation after flash evaporation; the low-temperature liquefaction part is finished in a cold box by using cold flow supplied by a mixed refrigerant; in the rectification separation part after flash evaporation, the hydrogen, the nitrogen and the carbon monoxide are removed by adopting a flash evaporation and rectification flow; and after the methane rich mixed gas containing the hydrogen and the nitrogen sequentially passes through the cold box, a re-boiler at the bottom of a rectification tower and the cold box and the methane components are liquefied, the methane rich mixed gas enters a rectification separation system, and the hydrogen, the nitrogen and the carbon monoxide are removed, wherein the obtained LNG product contains less than or equal to 2,000ppm of hydrogen, less than or equal to 4 percent of nitrogen and less than or equal to 6 percent of carbon monoxide. By the natural gas liquefaction technology for the methane rich gas containing the hydrogen, the nitrogen and the carbon monoxide, the hydrogen, the nitrogen and the carbon monoxide are removed, and the LNG is obtained at the same time; the technology is advanced in process route; and compared with the conventional technology, the technology has the advantage that the investment cost of equipment and the energy consumption of the system are remarkably reduced.

The invention relates to a method for producing coal gas by staged gasification of pulverized coal. The steps are as follows: the pulverized coal fed into the furnace is mixed with rapidly fluidized high-temperature particles and gasification gas in a fluidized bed, and the pulverized coal of small and medium particles flows upwards. Pyrolysis at a high temperature of 900-1000°C, enter the cyclone separator through the gas-solid mixing pipeline for separation, the medium particles return to the lower part of the main body of the circulating fluidized bed through the first-stage feeder, and the gas carries small particles out of the upper port of the cyclone separator, and passes through the high temperature The gas pipeline enters the superheated steam heat exchanger for heat exchange and separation, and then enters the circulation separator, and the gas is discharged from the gas outlet for users. The invention has the characteristics of integrated circulating fluidized bed and entrained flow bed, high gasification intensity, flexible adjustment of production load, stable and reliable operation, high operation rate, reduced gas production cost, and no phenolic water pollution.

The invention belongs to the technology of flue gas desulfurization and dust removal, and in particular relates to a flue gas desulfurization and dust removal technology and an integrated device applicable to ships, and solves the problems in the flue gas desulphurization technology and equipment for ships of the prior art. The flue gas desulfurization and dust removal apparatus includes a multi-stage cross flow rotating packed bed, a barren liquor tank, a barren liquor circulating pump and an aeration tank. The flue gas desulfurization process includes an open seawater method flue gas desulphurization technology and a enclosed alkali method flue gas desulfurization technology. Two technologies can be combined with the rotating packed bed, and the invention has the advantages of high desulfurization efficiency, low energy consumption, simple process, low investment and operation cost, stable operation, convenient startup and shutdown, and integrated desulphurization and dust removal.

The invention provides a complexing centrifugal extraction method of high-concentration phenolic wastewater, which utilizes an efficient extractor and a back wash extractor to process high-concentration phenolic wastewater. The method of the invention comprises the following steps: 1) pretreating the phenolic wastewater; 2) leading the extracting agent to flow to each extractor in turn; 3) leading the phenolic wastewater to flow reversely into each extractor which is flown with extracting agent for extraction reaction; 4) discharging the wastewater from the extractor after dephenolizing; 5) discharging the extracting agent rich in phenol from the extractor which is filled with wastewater firstly; 6) leading the extracting agent rich in phenol to flow reversely to each back wash extractor, leading the thin alkali solution to flow into each back wash extractor which is flown with extracting agent rich in phenol for backextraction reaction; and 7) discharging the phenolate generated in the backextraction reaction from the back wash extractor which is flown with extracting agent rich in phenol firstly, and discharging the extracting agent after backextraction from the back wash extractor which is flown with thin alkali solution. The invention has low cost, small floor area, great flexibility of device operation, low consumption, the phenol content of the processed water is reduced to below 200ppm, the phenol removal rate is above 99%, thus achieving the biochemical treatment water quality standard, recovering the phenol in the waste water in the form of phenolate to return to the system for reuse, and lowering environmental pollution.

The invention relates to a gas phase SO3 film-scraping sulfonating technology which belongs to the technical field of production technology which prepares anionic surfactant by using gas phase SO3 film-scraping sulfonating liquid organic materials. The invention is carried out according to the following steps: A: liquid SO3 is vaporized to gas phase SO3, the gas phase SO3 is sucked in a mixer shaft through a turbo-blower, the gas phase SO3 is mixed with inert gases recycled in a sulfonating reactor to reaction gas with the volume concentration being 0.1 to 10 percent, and then the reaction gas goes into a reaction cylinder body through reaction gas distribution holes on the upper part of the scraping plate shaft; B: the organic materials go into the sulfonating reactor and downwards flow along the inner wall of the reaction cylinder body, a scraping plate is rotated along with the mixer shaft under the action of a transmission system, the organic materials are continuously suffered with film scaping-spread coating-film scaping in the inner wall of the reaction cylinder body, the organic material are alternately updated and uniformly coated on the inner wall of the reaction cylinder body, and the organic materials are completely contacted and reacted with the reaction gas which goes from the reaction gas distribution holes to form reaction products. The design of the technology is reasonable, and the invention can be suitable for sulfonating or sulphating materials with various viscosities.

The invention belongs to the field of air separation technology and in particular relates to a separation technique for low pressure oxygen-enriched air, comprising the steps of impurity removal by means of air filtration, compression to 0.33-0.44MPa with an air compressor, purification, heat exchange, rectification, liquid oxygen vaporization and pressurization. The technique has the characteristics of being simple in technological process, convenient in operation, stable and reliable in running, stable in oxygen purity of the product, less in outside interference factors, long in continuous running period, low in power consumption for oxygen generation, low in equipment cost, high in automation degree and convenient in engine start and stop.

The present invention relates to an equipment and the operation method for continuous penicillin stripping. An extraction tower is controlled by a computer control system; a cylindrical tower reaction extraction section adopts a jacketed structure; a clarification section container on the upper end of the tower body is larger than a clarification section container on the lower end of the tower body; a tower body extension section that extends into the upper clarification section container is bended outwards after a certain length of extension; a reflux hole is arranged on a straight tower body on the tower body extension section; an arc-shaped baffle plate with a downward arc core is arranged over the tower body extension section; a central shaft with a tower plate enters into the top of the upper clarification section container to make the bottom of the central shaft landed in a central shaft slot; a light phase distributor, a pH meter probe and a light phase in a heavy phase clarification area are arranged in the lower clarification section container; a laser particle size analyzer is arranged on a flange which connects the upper clarification section container with the tower body; a polarimeter is arranged on a pipe on an organic extraction raffinate phase exit. The invention can effectively inhibit the problems of penicillin degradation and milk slag handling, which can be applied to large-scale penicillin production through on-line automation control.

The invention discloses a making method of liquefied natural gas (LNG), which is characterized by the following: adopting coal gas as raw material; predisposing coal gas; liquefying under low temperature; making oxygen content in the gas lower than 0.5%; pressurizing; entering into composite purifying device of solvent and molecular sieve; reducing the content of CO2, H2S and H2O to preset scale; cooling gas in the plate-fin heat exchanger to liquefy; rectifying in the fractional tower; separating methane at LNG pattern; cooling to enter LGN product reserving tank; obtaining LNG product; fitting for automobile fuel or powering.

The invention belongs to the technical field of flue gas desulfurization, and particularly relates to a flue gas desulfurization process and device, which aim to solve the problems of an existing flue gas desulfurization process and device. The flue gas desulfurization device comprises a retrograde rotation packed bed absorber, a rotation packed bed desorber, a barren liquid storage groove, a rich liquid storage groove, a barren liquid circulation pump, a rich liquid circulation pump, a heat exchanger and a condenser. The flue gas desulfurization process comprises an absorption process and a desorption process. The device provided by the invention is small in size, has a wide in treatment gas quantity range, and is simple in structure and easy to operate. The process has the advantages of high desulfurization rate, low energy consumption, simple process, low investment and running expense, running stability, convenience in starting and stopping and the like.

The invention belongs to the field of waste gas desulfurization, and particularly relates to a device and a method for removing sulfur dioxide contained in a waste gas. The device and the method can be used for solving the problems of the traditional waste gas desulfurization technology. The device for removing the sulfur dioxide contained in the waste gas comprises an inverse shearing rotation packed bed, a barren solution storage tank, a pregnant solution storage tank, a barren solution circulation pump and a pregnant solution circulation pump, wherein an inverse rotation packed bed absorber is in a parallel flow structure; a gas and a liquid which are positioned in the inverse shearing rotation packed bed contact in a parallel flow way. The method for removing the sulfur dioxide contained in the waste gas comprises the following step: fast transferring SO2 contained in the waste gas to a desulfurization absorbing agent by carrying out multistage parallel flow contact on the desulfurization absorbing agent and the SO2-containing waste gas through multilayer inverse rotation packings and body resistance parts. The device disclosed by the invention has the advantages of small size, width treatment tolerance range, simple structure and easiness for operation. Compared with the traditional tower, the process disclosed by the invention has the advantages of high desulfurization rate, less gas-phase pressure drop, low energy consumption, low investment and operation cost, stability in operation, convenience for start and stop, and the like.