908results about "Oven incrustations prevention/removal" patented technology

An apparatus of produced water treatment, to be adopted in an in-situ recovery method of producing bitumen from oil sand, the apparatus capable of removing the oil from produced water, the produced water of being left by separating the bitumen from bitumen-mixed fluid having been recovered from the oil sand, the apparatus having: a vessel for receiving the produced water; a submerge type filtration membrane module, installed in the vessel, for filtering the produced water in the condition of the membrane being submerged in the produced water; and a bubble generator for generating bubbles to be forwarded toward the submerged filtration membrane in the produced water.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. High carbon biogenic reagents are also provided.

A safe, efficient and repetitively operable coke vessel decoking system is disclosed. In a preferred embodiment the closed system comprises a coker vessel pressure-tightly sealed to a top head system, which includes a closure housing with a laterally moveable horizontal closure member therein and a cutting head enclosure, which further comprises a drill stem guide, an access door, and a cutting assembly mounted therein. A novel feature of the invention is a steam purge/blocking system whereby steam pressure is maintained in the closure housing during the coking cycle to maintain seal integrity. Personnel safety during decoking operations is greatly enhanced by eliminating dangerous manual tasks associated with the prior art such as unbolting and removing top head devices. The system can be remotely and repetitively operated through numerous coking/decoking cycles without removal of any system element.

Unmanned vehicle to carry out an animal-related action, provided with a frame and a control device to control the vehicle and a locomotion device to move the unmanned vehicle, and with a protective device to protect the vehicle against obstacles, wherein the protective device includes a touchable electrical conductor which extends on the outside of, advantageously around, the vehicle, and a voltage source to supply voltage to the conductor under the control of the control device.

The invention provides a tamping coke oven smoke treating system. The side of tamping coke oven is equipped with smoke collection device, the gas gathering pipe of said smoke collection device is combined and connnected with smoke conveying pipe through pipe stepless connection uint; the railway on top of coke oven is equipped with closed depressurized diversion special purpose locomotive, said closed special locomotive is connected with smoke collection convey pipe; one side of coke oven is provided with smoke removal coke guide. The invention aslo provides a method for treating smoke in tamping coke oven, which comprises following steps: said smoke collection device collecting smoke caused by coal loading with large air quantity; DAS special purpose locomotive entering into carbonization room with coal cake and turning on qir quantitty adjustment valve, determining valve open degree according to parabola air discharge quantity, top of coke oven sucks air for depression. The invention can treat the smoke from coke oven and oven top, and the discharge meets one- grade standard in china for coking industry.

The invention provides a device for improving the quality of the coal by pyrolysis, comprising a rotary drier, a pyrolyzer and a heating rotary kiln. The rotary drier is used for receiving and drying raw coal with granularity being less than and equal to 30mm, and is provided with a sleeve structure to directly change heat between the raw coal and the hot flue gas and indirectly change heat between the raw coal and hot semicoke; the pyrolyzer receives mixture of the dried raw coal and the high-temperature semicoke by a feed line of solid material, directly changes heat between the raw coal and the hot semicoke, pyrolyzes the mixture, and is further provided with a heat clamping sleeve accompanied with high-temperature flue gas; and the heating rotary kiln is used for receiving the hot semicoke from the pyrolyzer and processing the hot semicoke by the means of heating. The device for improving the quality of the coal by pyrolysis has flexible operation, good quality of the generated semicoke and the generated tar, high cascade utilization of energy and high system thermal efficiency, properly solving the technical problems such as dust and tar blocking, high dust content in the tar, etc.

The method for cleaning chemical process and hydrocarbon processing apparatuses is performed by establishing a closed flow circulation loop, under specific operating conditions and in the presence of hydrocarbon-based fluids. The cleaning method is monitored by performing chemical/physical analysis. After cleaning the apparatus(es) can be immediately inserted back into the process. An optional degassing step can also be performed, in case the apparatus(es) has to be disassembled for inspection of maintenance.

The present disclosure provides methods and systems of a modular coal liquefaction system. A modular coal liquefaction system may include a reactor for exposing a coal to a hydrogenated vegetable oil in the presence of a coal-derived solvent to form a slurry, a heater that elevates the temperature of the slurry in the reactor to facilitate liquefying the coal and liberating a volatile matter, and a centrifuge that separates the insoluble components from the slurry to obtain a de-ashed coal extract, wherein the coal extract is suitable for downstream processing, wherein the reactor, heater, and centrifuge are adapted to be modular. The system may further include a distillation column that distills the de-ashed coal extract to obtain a pitch. The system may further include a coker that cokes at least one of the de-ashed coal extract and the pitch to obtain a coke. The system may be adapted to be modularly disposed on a rail car. The system may be adapted to be modularly disposed on a semi-truck trailer.

A device for removing accretions of cured concrete from within a mixing drum is herein disclosed. The device includes an impact tool mounted upon a boom that may be inserted into the interior of the mixing drum. The impact tool is mounted upon the boom such that it may be rotated about an axis that is substantially perpendicular to that of the boom. The boom itself may be rotated about an axis substantially aligned with its own the length. In addition, the boom may be rotated laterally and up and down by positioning mechanism. The device may be mounted in a fixed location or it may be mounted upon a mobile platform.

A adjustable fitting thread cleaning apparatus. The apparatus is specifically used for cleaning the threads of bolts. Bolts of any type namely ones used in the field of autos, machinery and equipment. The apparatus consists of 2 parallel elements that form an inner adjustable diameter. Parallel elements adjust from 7.5 mm to 30 mm in diameter for cleaning bolts in this size range. The apparatus consists of a shaft member with the purpose of connecting to a power drill to be rotated at high velocity speed. This creates an expeditiously quick and thorough clean of the bolt threads when the bolt is inserted in between the parallel elements.

A floor stripping machine having the electric motor and hydraulic pump placed just aft of the blade engages adds weight to the blade and provides for a narrower more compact design with a lower center of gravity for better maneuverability and ease of access to narrow halls, doorways and rooms. A battery powered floor stripping machine may have batteries stored in the housing under the seat and have auxiliary batteries behind the seat on top of the housing for easy of removing the batteries for recharging. Additional batteries and or weights can be used on either side of the housing. In alternative embodiments the floor stripping machine can be remote controlled. Battery management with the auxiliary batteries being recharged during the day allows for eight hours of use. A trunk may store batteries, which can be slid onto a trailing cart to change batteries.

The invention discloses a dust hood for a coke oven. The dust hood comprises horizontally distributed steel trusses (3), which are fixed on a coal tower (2) through stay cables (1). Two ends of the steel trusses are supported through columns (5). A fire insulation and dust storage layer (4) is arranged below the steel trusses (3). By the above technical scheme, the main-body structure of the steeltrusses will not be exposed to a fire scene caused by coke discharging, safety risk during the application period is reduced, and service life is prolonged. The original full-coverage roof truss is changed into the two-row steel trusses, and the refuge floor material is lightweight fire insulation boards fitted with lightweight keel. Thus, deadweight is greatly reduced. Construction can be completed through prefabricated assembly and hoisting. Thus, building cost and construction difficulty are greatly reduced. With the arrangement of local folding boards and by optimization of an air-duct system, functions of heat dissipation, dedusting, fire protection and the like are integrated into the dust hood. The dust hood has good environmental-protection value.

A rifle bolt cleaning tool comprising a single piece of material with an annular bolt scraping chamber comprising a bottom and two inner walls that extend from the bottom of the scraping chamber upward and spread outward to form two top surfaces of the scraping chamber. The inner walls of the scraping chamber are concave in shape so as to fit snugly around a tail end of a rifle bolt. The distance between the two inner walls of the scraping chamber is roughly equivalent to the outside diameter of a rifle bolt. The inner walls of the scraping chamber extend upward from the bottom of the scraping chamber by a distance that is slightly greater than the length of the tail end of the bolt.

This invention relates to biomass pyrolysis through the use of a hot liquid refinery feedstock as a heat transfer medium, preferably a vacuum gas oil feedstock.

A scraper tool for removing material such as surface treatments, metal coatings, and other material layers from an edge region of a metal work piece where they could potentially contaminate a nearby weld. According to one embodiment, the scraper tool includes a body having a base portion and a tab portion, and several scraping elements attached to the base portion. During operation, the scraping elements scrape one or more surfaces of the edge region so that the depth to which the scraping element engage the metal work piece is generally affected by the amount of rotation of the scraper tool about a pivot axis.

The invention discloses a coking waste gas purification system, which belongs to the field of energy saving and environment protection of the coking industry. The coking waste gas purification systemcomprises a coking smoke generating and processing system, a dry quenching system and a tank nitrogen sealing system, wherein the coking smoke generating and processing system comprises a coke oven, acoke oven horizontal flue and a coke oven smoke desulfurization and denitrification device; the dry quenching system comprises a dry quenching furnace; the tank nitrogen sealing system comprises a chemical product storage device; the dry quenching furnace is provided with a circulating inert gas outlet and a circulating inert gas inlet; each tank of the tank nitrogen sealing system is respectively provided with a chemical product tank gas inlet used for introducing nitrogen, and a chemical product tank gas outlet used for emitting chemical product tail gas; the circulating inert gas outlet ofthe dry quenching furnace is connected with three gas pipelines, wherein one gas pipeline is connected with the circulating inert gas inlet of the dry quenching furnace for importing circulating inert gas to cool cokes in the dry quenching furnace, another gas pipeline is connected with the chemical product tank gas outlet of the chemical product storage device for importing into spreading tail gas blow gas pipeline of the circulating inert gas, and the final gas pipeline is connected with an in-furnace gas inlet arranged on the coke oven for importing the spreading tail gas dilution coke oven combustion chamber gas of the circulating inert gas. According to the coking waste gas purification system, coking chemical product tail gas can be fully recovered and utilized, and tail gas waste heat can be effectively recovered.

A gasification reactor includes a wiper system including at least one wiper blade operable to wipe an interior surface of the reactor. A condenser unit of the gasification reactor includes a scraper system including at least one scraper segment operable to scrape an interior surface of the condenser unit.

A coke-oven repairing apparatus comprising: a traveling carriage 3 which travels in the direction of coke oven battery with the carriage straddled on the rails placed on the top of a coke oven; a traversing carriage4 provided on said traveling carriage 3, which moves in the direction orthogonal to the direction of coke oven battery; and a working device 5 for making repairs on the oven walls within the coke oven which is mounted on said traversing carriage 4,

wherein the working device 5 includes: a guide post 31 which stands on the traversing carriage 4, and is also coupled, at its lower end portion, to a supporting portion provided on the traversing carriage through a pivot shaft 42; a lance 32 which ascends or descends along the guide post 31; and a derricking device 45 which tilts the guide post 31 between a forward-tilted posture and a backward-tilted posture using the pivot shaft 42 as the fulcrum to oscillate the lance 32 inserted in a coke-oven carbonizing chamber through a charging-hole, within the carbonizing chamber.

The present invention features a center feed system for use within a delayed coking system, or any other similar system. The center feed system features an inlet sleeve which slidably engages a retractable nozzle, with inlet and outlet, in fluid connection with a feed source of residual byproduct, allowing residual byproduct to flow from the feed source into the interior of a vessel, thus effectuating or inducing even thermal distribution throughout the vessel.

The present invention relates to an apparatus and method for wine pomace extraction from wine processing tanks in a manner so as to minimize maceration of the wine pomace so as not to taint wine entrained within the pomace. In the present invention, wine pomace is mechanically transported out the processing tank by a conveyor means. Wine pomace is guided into the collecting path of the conveyor means by a mechanical sweeper attached to the conveyor means. In a preferred embodiment, a conveyor with sweeper wing attachments is mounted on a portable cart. The invention is positioned into the processing tank through an entry portal and secured to a tank containing pomace. The conveyor transports pomace to a receiver bin until the majority of pomace is extracted. Sweeper wings are deployed to guide remaining pomace into the collecting path of the conveyor.