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28results about How to "Efficient emissions" patented technology

Rolling device for oolong tea processing

The utility model relates to the technical field of rolling devices, and discloses a rolling device for processing oolong tea, which comprises three groups of support legs and a rolling disc fixed among the three groups of support legs, a rolling mechanism is arranged above the rolling disc, the rolling mechanism is connected with the three groups of support legs, and the rolling mechanism is connected with the rolling disc. According to the rolling device for oolong tea processing, in the discharging process, the material blocking disc is kept in an inclined state and generates high-frequency vibration on the material blocking disc, and oolong tea leaves can be more effectively discharged; in this way, the tea leaves can be discharged more smoothly, gathering on the material blocking disc is reduced, the requirement for manual interference is lowered, the labor intensity is relieved, the tea leaves fall from the periphery of the material blocking disc and can fall on the material guiding shell, and it is ensured that the tea leaves can completely fall into the material guiding shell.
Owner:GUANGDONG MINGHUANG TEA

Miniaturized double-frequency wide-beam terminal antenna

The utility model discloses a miniaturized double-frequency wide-beam terminal antenna, which relates to the technical field of mobile terminal antennas and comprises an antenna cap, an antenna housing, a radiator assembly, a feed network module, a radio frequency connector and an antenna base, and the radiator assembly, the feed network module and the radio frequency connector are sequentially distributed inside the antenna housing from top to bottom. According to the miniaturized double-frequency wide-beam terminal antenna, the radiation copper strip is arranged in a gradually-changed spiral form, and when the radiation copper strip is at the same rising angle, the spiral arm with the top open circuit structure has a wider beam width than the spiral arm with the short circuit structure, so that low-elevation electromagnetic signal radiation and reception of the satellite antenna are facilitated; the radiation copper strip is provided with four feeding points, each feeding point is connected with two oscillator arms with different lengths, the circular polarization characteristic and the double-frequency radiation characteristic of the antenna are guaranteed, the two oscillator arms with the same feeding guarantee different rising angles and widths, the isolation degree of double-frequency radiation is improved, the shape of a directional diagram is more regular, and higher radiation gain is achieved.
Owner:SHAANXI HAITONG ANTENNA

A vertical shaft furnace nitrogen oxide emission treatment device

ActiveCN224285477UEfficient emissionsEfficient emission treatmentDispersed particle separationAir quality improvementActivated carbonNitrogen oxides
This utility model discloses a vertical shaft furnace nitrogen oxide emission treatment device, comprising: a vertical shaft furnace, an exhaust pipe fixedly connected to the upper surface of the furnace, a valve seat fixedly connected to the end of the exhaust pipe away from the furnace, a valve core slidably connected to the inner surface of the valve seat, and a compression spring fixedly connected to the side surface of the valve core; a treatment chamber, a water spray pipe fixedly connected to the inner surface of the treatment chamber, a water pump fixedly connected to the side surface of the water spray pipe, a wire mesh fixedly connected to the inner surface of the treatment chamber, a filter box slidably connected to the inner surface of the treatment chamber, and activated carbon disposed on the inner surface of the filter box. Through the above structure, efficient treatment of nitrogen oxide emissions from the vertical shaft furnace is achieved, backflow of the absorbent liquid within the treatment device is prevented, ensuring continuous and sufficient contact and reaction between the absorbent liquid and nitrogen oxides, intercepting water mist generated during the treatment process, and improving the treatment efficiency and effect of the treatment device.
Owner:RUITONG PELLETIZING CO LTD OF XIANGTAN

Starch foamed meal box

ActiveCN224466505UGuaranteed anti-fouling functionEfficient emissionsThermodynamicsBiology
The utility model belongs to the technical field of packing container relates to a kind of starch foaming lunch box, including box body, box cover and cover, the box cover is closed on box body and forms closed cavity, the cover is connected on box cover and forms breathable cavity, first air vent is provided on the box cover, second air vent is provided on the cover, first air vent and second air vent are staggered on the vertical projection plane, first air vent, breathable cavity and second air vent form labyrinth air passage, the edge of first air vent is surrounded and is provided with the first ring of up extension, the edge of second air vent is surrounded and is provided with the second ring of up extension, first ring and second ring form the dustproof structure of the air passage.The starch foaming lunch box provided by the utility model has good air permeability, can realize the efficient discharge of wet hot gas, maintain the crisp taste of food, and also can ensure the anti-fouling function of lunch box.
Owner:TAIZHOU JIANMIN SCI & TECH CO LTD

Multi-layer silage pit

The utility model relates to a multi-layer silage silo, and belongs to the field of livestock feed storage. The device comprises a bottom surface and a plurality of parallel side walls which are vertically arranged, and a storage space is defined by the bottom surface and the side walls. Detachable hollow partition plates are arranged in the space to vertically divide the storage space into a plurality of storage layers. Corresponding notches are formed in the bottom face and the partition plate, the notch in the bottom face is communicated with the water storage pool, and the notch in the partition plate is communicated with the inner cavity and used for collecting and discharging percolate. A flow guide channel is formed in the side wall and connected with each sewage draining outlet, so that seepage is rapidly drained, and retention and mildew are prevented. And the porous cover plate and the filter holes can effectively prevent blockage and odor. Stairs are arranged on the side walls to facilitate operation. A closed oxygen-free environment is formed after the silage film is covered, feed fermentation is promoted, and the storage quality is improved. The device is compact in structure, efficient in liquid drainage and suitable for large-scale preparation and storage of silage.
Owner:SICHUAN ACADEMY OF AGRICULTURAL MACHINERY SCIENCES

A kind of rainwater backflow prevention device for rock wool fireproof ocean platform container

ActiveCN224478755UEfficient emissionsstable emissionsBackflow prevention deviceEnvironmental engineering
The utility model discloses a rainwater backflow prevention device for rock wool fireproof ocean platform container, relates to ocean platform container technical field. The rainwater backflow prevention device for rock wool fireproof ocean platform container, including container house, the bottom intercommunication of container house is provided with the water pipe, the bottom fixedly connected with U shape water seal pipe of water pipe, the utility model discloses when the external rainwater first enters the closed box inner chamber through the flow guide pipe, the rainwater first accumulates in the slide plate bottom area, along with the water level continuously rising, the float ring of setting in the periphery of drain pipe because of the liquid buoyancy effect and follow the floating, and drive the slide plate along the I -shaped guide rail and slide up, the rising of slide plate further drives the closure plate, makes it gradually close and finally completely covers U shape water seal pipe communication mouth, at this moment, the aperture of U shape water seal pipe is blocked, effectively blocked the possibility that external rainwater through drain pipe reverse flow into container inside.
Owner:CTW(TIANJIN)OFFSHORE ENG CO LTD

Storage tank equipment and floating body

This tank facility is provided with: a tank capable of storing liquefied carbon dioxide; a communication pipe connected to the tank and communicating the inside of the tank with the outside of the tank; a valve provided midway in the communication duct and provided so as to be able to open and close a flow path in the communication duct; and a heating unit that can heat from the outside a downstream duct section of the communication duct, said downstream duct section being located downstream of the valve in the direction of circulation of carbon dioxide discharged from the tank at least when the valve is opened.
Owner:MITSUBISHI HEAVY IND LTD

Gas steam box

The utility model relates to the technical field of steam boxes, in particular to a gas steam box. A gas heater is assembled at the bottom end in the box body, a water outlet pipe is fixed at the bottom end in the box body and located above the gas heater, a plurality of guide rails are arranged at two ends in the box body, partition plates are connected to the inner sides of the guide rails in a sliding mode, and a gas suction hopper is fixed at the top end in the box body. According to the fuel gas steam box, food is heated and cooked by starting the fuel gas heater, a water source flows in the water outlet pipe, then the taste and moisture of the food are improved, in the cooking process, a large amount of water vapor can be generated when water is heated, the large amount of water vapor needs to be discharged in time, and the cooking time is shortened. And potential safety hazards caused by overhigh pressure caused by water vapor are avoided.
Owner:CHONGQING HUABANG KITCHEN EQUIP CO LTD

A gas station oil and gas recovery system based on a three-stage composite process

This invention belongs to the field of oil and gas recovery technology, and particularly relates to an oil and gas recovery system for gas stations based on a three-stage composite process, comprising: an oil storage tank; a condensation mechanism, with its inlet connected to the outlet of the oil storage tank and its outlet connected to the return outlet of the oil storage tank; a gas-liquid separation mechanism, with its inlet connected to the outlet of the condensation mechanism and its outlet connected to the return outlet of the oil storage tank; and a membrane separation mechanism, with its inlet connected to the outlet of the gas-liquid separation mechanism and its outlet connected to the return outlet of the oil storage tank. This invention can reduce the energy consumption and operating costs of oil and gas recovery, and improve the adaptability of the oil and gas recovery system.
Owner:SHANDONG QUANSHUN LOGISTICS CO LTD

Tunnel invert drainage mechanism

This application relates to a tunnel invert drainage system, comprising a longitudinal blind pipe at the tunnel bottom, a vertical blind pipe at the tunnel bottom, a circumferential blind pipe, a drainage layer, precast no-fines concrete blocks, a waterproof membrane, a transverse blind pipe, a back-adhesive waterstop, a centrally embedded waterstop, and a galvanized steel plate waterstop. The drainage layer includes self-adhesive fabric, a drainage membrane, and geotextile layered sequentially on the initial support surface; precast no-fines concrete blocks are placed on the longitudinal blind pipes of the low sidewall; the waterproof membrane wraps around the longitudinal blind pipes of the low sidewall and the precast no-fines concrete blocks; the transverse blind pipes are located on both sides of the circumferential construction joint, with drainage holes on both sides of the construction joint, the drainage holes communicating with the transverse blind pipes and the longitudinal blind pipes of the low sidewall; the back-adhesive waterstop is adhesively bonded to the waterproof membrane; the galvanized steel plate waterstop is fixed at the construction joint and adhesively bonded to the centrally embedded waterstop. This tunnel invert drainage system enables effective collection and efficient discharge of groundwater, thereby effectively reducing water pressure at the bottom of the invert.
Owner:中国水利水电第七工程局有限公司 +1

An intelligent control method for a catch basin, an automatic catch basin, a device, and a medium

This invention relates to the field of urban drainage technology, and discloses an intelligent control method for intercepting wells, an automatic intercepting well, equipment, and a medium. The control method includes: acquiring the water level of the forebay and the current rainfall; controlling the start of a first water pump when the current rainfall is zero or within a first preset range, and the water level of the forebay is higher than the first water level but lower than the second water level; controlling the start of a second water pump when the water level of the forebay is higher than the second water level but lower than the third water level; opening a weir gate when the rainfall exceeds the first preset range and the water level of the forebay is higher than the overflow water level; and determining whether the time for zero rainfall exceeds a preset time when the water level of the forebay is higher than the third water level, and controlling the second water pump to operate when the weir gate closure time exceeds the preset time. This invention can automatically discharge sewage, effectively prevent sewage overflow and river backflow, and ensure the quality of rivers and urban water bodies.
Owner:江苏长三角智慧水务研究院有限公司

VOCs treatment device for gas station

The VOCs treatment device of the gas station is provided with an air inlet device and a separation device, the separation device is arranged on one side of the air inlet device, the air inlet device is an air inlet separation barrel, a flow dividing channel is arranged in the air inlet separation barrel, a flow dividing pipeline is arranged on the separation channel, and the flow dividing pipeline is communicated with the separation device. A waste residue treatment part is arranged at the bottom of the air inlet separation barrel, airflow distribution can be balanced and local vortexes can be avoided due to the design of flow dividing channels, sub-pipelines arranged in the separation tank body and the treatment reaction barrel form a gridding filtering system, modular combination is achieved through threaded screwing, the VOCs molecular adsorption capacity can be enhanced, and the treatment effect can be improved. And blocked filter holes can be quickly disassembled and cleaned, so that continuous and efficient operation of the system is guaranteed.
Owner:YANGZHOU HEPUSHENG ENERGY EQUIPMENT TECHNOLOGY CO LTD

A wind quenching flue gas purification system

ActiveCN224599003UImprove environmental standardsImprove capture efficiency
The utility model relates to flue gas purification device technical field, concretely relates to a kind of air quenching flue gas purification system, the flue gas outlet of air quenching is connected the flue gas inlet of the flue gas cleaning chamber, the discharge port of the flue gas cleaning chamber is connected the feed inlet of the gas-liquid separator;The flue gas outlet of the gas-liquid separator is connected the input end of the fan, and the output end of the fan is connected the chimney;The liquid outlet of the gas-liquid separator is connected the liquid inlet of the liquid collecting tank, and the liquid outlet of the liquid collecting tank is connected the liquid inlet of the water reservoir, and the steam outlet of the liquid collecting tank is connected the gas-liquid separator;The liquid outlet of the water reservoir is connected the input end of the solution pump, and the output end of the solution pump is connected circulation liquid pipeline, and the first branch is connected the liquid collecting tank, and the second branch is connected the flue gas cleaning chamber, and the third branch is connected the air quenching slag chamber.The utility model improves the capture efficiency to dust and gas pollutant in flue gas.
Owner:CHIFENG YUNTONG NON FERROUS METAL CO LTD +1

A lime kiln gas purification and dust removal device

ActiveCN120571345BEfficient purification and dust removalGuaranteed uniformity
The application discloses a lime kiln gas purification and dust removal device, which comprises a purification tank, an air inlet pipe, a conical block, a first conical filter hopper, a second conical filter hopper, an annular pipe, an atomizing nozzle, a water pump and a lifting plate. The kiln gas is evenly distributed in the purification tank through the conical block, the first conical filter hopper and the second conical filter hopper are used for two-stage filtration of dust and impurities, the sodium hydroxide solution is atomized and sprayed into the kiln gas through the atomizing nozzle, harmful gases in the kiln gas are effectively absorbed, the used sodium hydroxide solution is collected through the lifting plate and recycled, resources are saved and pollution is reduced, the solid impurities on the inner walls of the first conical filter hopper and the second conical filter hopper are scraped and cleaned through the setting of a scraping rod and an obliquely arranged rod, the lime kiln gas can be effectively purified, and the pollution to the environment is reduced.
Owner:JIANGSUSHENG JINGSHEN YANYE CO LTD +1

Casing well near-window coupling electromagnetic wave measurement while drilling method

PendingCN121993176AReduce the risk of touch typingreduce heat loadConstructionsThermodynamicsComposite media
The invention relates to the technical field of oil and gas well drilling measurement and the technical field of underground information transmission, in particular to a cased well near-window coupling electromagnetic wave measurement while drilling method which comprises the steps that S1, a composite medium equivalent model is established offline; s2, according to the composite medium equivalent model, scanning and determining a near-window optimal interval; s3, generating a typical impedance interval and a near window parameter set according to the near window optimal interval; S4, matching the typical impedance interval on line, and judging the typical impedance interval as a near window transition section according to characteristics; s5, triggering a near window mode and closed-loop fine tuning at a near window transition section; and S6, according to the protection rule, carrying out safe degradation and outputting a result. According to the method, the multi-layer medium model is established through the well-following measurement method, and the near-window coupling interval is calculated according to the model, so that the signal transmission stability of the insulating short section in the well-following measurement process is improved, short-distance stable chain establishment in a casing window is realized, the problem of underground touch typing is solved, and the electromagnetic performance reliability is improved.
Owner:DAQING DRILLING ENGINEERING CO LTD +1

Automatic rainwater storage and discharge system for viaducts in sponge city in hilly areas

The application discloses a kind of high-level bridge rainwater automatic storage and drainage systems suitable for hilly area sponge city, comprising: water storage system, water storage system includes water storage tank, water storage tank is connected with bridge drain pipe, under the action of gravitational potential energy, water in bridge drain pipe automatically enters water storage tank;Drainage system, water storage tank and green belt irrigation system are connected, under the action of gravitational potential energy, water in water storage tank automatically enters irrigation system;Rainwater diversion system, including rainwater diversion pond, water storage tank and bridge drain pipe are connected, rainwater diversion pond is provided with overflow, and overflow is provided with pressure control component, when water level in water storage tank reaches set water level, under the action of water pressure difference, pressure control component is automatically opened, so that rainwater enters municipal pipe network;The present application utilizes the height difference advantage between viaduct, cutting slope and ground green belt, converts the gravitational potential energy of rainwater into the kinetic energy of rainwater storage and drainage, and can realize the collection and utilization of rainwater with zero energy consumption.
Owner:CHINA FIRST METALLURGICAL GROUP

Battery module and battery pack including the same

A battery module according to an embodiment of the present application includes a battery cell stack in which a plurality of battery cells are stacked in one direction, a module frame that accommodates the battery cell stack and has an inner surface and an outer surface, and an end plate that is coupled to the module frame and covers a front surface or a rear surface of the battery cell stack, wherein the module frame includes at least one hole-shaped discharge portion that defines an inlet formed on the inner surface thereof and an outlet formed on the outer surface thereof, and a terminal area of the discharge portion including the inlet or the outlet has an inverted conical shape.
Owner:LG ENERGY SOLUTION LTD

A shaped exhaust gas combustion treatment system

ActiveCN224415172UEfficient circulationImprove adsorption capacityCombustorExhaust fumes
The utility model discloses a shaping waste gas combustion treatment system, aims at providing a shaping waste gas combustion treatment system who can reduce energy consumption, reduce pollution emission and carbon emission. It includes workstation, a plurality of drying oven, waste gas incinerator, heat exchanger, waste heat recovery ware and exhaust pipe, is installed with burner in waste gas incinerator, and drying oven and exhaust pipe are connected with the upper end of workstation, and waste gas incinerator, heat exchanger, waste heat recovery ware are connected with the lower end of workstation, and workstation is equipped with waste gas inlet pipe and heat recovery pipe, and waste gas inlet pipe and heat recovery pipe all are installed with power fan, and one end of waste gas inlet pipe is connected drying oven, and the other end of waste gas inlet pipe is connected heat exchanger, and one end of heat recovery pipe is connected drying oven, and the other end of heat recovery pipe is connected waste heat recovery ware. The utility model has the beneficial effect of: realize energy saving and emission reduction and reduce pollution and carbon; operation efficient and green environmental protection; system compact, path saving and gas efficient flow.
Owner:HANGZHOU YOUYE ENVIRONMENTAL PROTECTION TECH CO LTD

A firework weighing device for producing spitting bead type fireworks

The utility model discloses a kind of fire powder weight counting devices for spitting bead type firework production, including support plate, fire powder tank is provided in the upper portion of support plate, collecting box is installed in the bottom of fire powder tank, support frame is fixed in the side of support plate, and the support frame supports and positions collecting box, the top of fire powder tank is provided with the air pressure adjusting assembly being communicated with its inner cavity, the upper portion of the side of fire powder tank is provided with the feeding assembly being communicated with its inner cavity.The fire powder weight counting device for spitting bead type firework production, fire powder weighing process is in sealed environment, reduce the amount of fire powder floating to outside, reduce the hidden danger of production safety while avoiding fire powder waste, the device is fed and discharged by adjusting the air pressure in fire powder tank to control fire powder, convenient for the replenishment of fire powder in fire powder tank, while avoiding fire powder to be jammed in discharging assembly by static friction, ensure that fire powder is effectively discharged and weighed, facilitate the production preparation of fireworks.
Owner:LIUYANG CITY XINXIANG FIREWORKS MAKING CO LTD

Oil sludge thermal desorption non-condensable gas multi-stage water curtain synergistic dust removal device

ActiveCN224180552UMeet cleanliness requirementsEfficient emissionsCombination devicesUsing liquid separation agentParticulatesWater baths
The utility model discloses an oil sludge thermal desorption non-condensable gas multi-stage water curtain collaborative dust removal device which comprises a base, a supporting table is fixedly installed on one side of the top of the base, a first booster fan is fixedly installed on the top of the supporting table, and the oil sludge thermal desorption non-condensable gas multi-stage water curtain collaborative dust removal device further comprises a spraying inclined pipe arranged at the air supply end of the first booster fan, the spraying inclined pipe is fixedly installed on one side of the top of the base and comprises a plurality of connecting sections and a plurality of spraying sections, the connecting sections are connected with the spraying sections in a penetrating mode, one side of the spraying inclined pipe is connected with the connecting section to be connected with a first pressurizing fan in a penetrating mode, and one end of the connecting section on the other side is connected with a first gas-liquid separator in a penetrating mode; the first gas-liquid separator is fixedly connected with the water bath tank; the non-condensable gas can be purified, the purified non-condensable gas meets the cleanliness requirement of a combustion system, tail end flue gas particulate matter emission is superior to the environmental protection standard, environmental benefits and economic benefits are considered, and practicability is improved.
Owner:XIAN HUASHENG KUNTAI ENERGY & ENVIRONMENTAL PROTECTION TECH CO LTD +1

Aluminum alloy door and window with high sealing performance

ActiveCN224606285Uno gapavoid entering
The utility model provides a kind of aluminium alloy door and window with high sealing performance. Including: installation track and alloy frame, two the side of mutually close alloy frame is respectively fixed with lock catch and hook, and lock is realized by lock catch and hook clamping, the side of mutually close alloy frame is fixed with sealing strip, two sealing strips are tightly attached by physical contact, ensure that there is no gap between the sealing strip of two alloy frames, to prevent rainwater etc. From entering;The position of installation track upper and lower sides and alloy frame close is fixed with baffle, the side of baffle and alloy frame attachment is higher, rainwater will be discharged along baffle after falling on alloy frame and glass, reduce rainwater from the gap between aluminium alloy door and window and baffle infiltration;The bottom of installation track both sides is provided with drainage groove, and rubber plug is inserted on drainage groove, rainwater can be effectively collected and discharged by drainage groove, reduce rainwater accumulation in installation track.
Owner:SHANGHAI HONGYI DOORS & WINDOWS CO LTD

A wiring and venting structure for a residual current circuit breaker

ActiveCN224625496UEliminate in timeprevent burst
This utility model discloses a wiring and venting structure for a residual current circuit breaker (RCCB), including a circuit breaker housing, a residual current trip conductor, a magnetic ring conductor, and an arc-extinguishing chamber. The base, middle seat, and top cover of the housing cooperate to form L-pole and N-pole bases. The residual current trip conductor and the arc-extinguishing chamber are located at the L-pole, and the magnetic ring conductor is located at the N-pole. The arc-extinguishing chamber has a first and a second vent distributed vertically. The L-pole has a spaced residual current trip conductor receiving area and two arc-extinguishing venting channels, with the bottom surface corresponding to the two venting ports. The two venting channels are connected through a vent hole to ensure smooth discharge of high-temperature gas. The N-pole forms a magnetic ring conductor receiving area and an arc-generating area, with the magnetic ring area and the arc area separated. A third venting port at the bottom connects to the arc area. This design facilitates arc ignition and venting, and also ensures a reasonable conductor arrangement, avoiding interference from electric arcs.
Owner:ZHEJIANG AOELEC ELECTRICAL CO LTD

Activated carbon sand removal device

The utility model relates to the technical field of activated carbon sand removal, specifically a kind of activated carbon sand removal device, including sand removal tank, sand removal tank top is provided with feed inlet, still include screening mechanism and damping mechanism, screening mechanism is provided with two groups, be distributed upside down, upper screening mechanism can carry out screening to larger particle in activated carbon, lower screening mechanism is used to carry out secondary screening to smaller activated carbon that upper screening mechanism leaks, damping mechanism is installed in sand removal tank bottom, and damping mechanism is used to shock attenuation sand removal tank;Two groups of screening mechanism all include filter plate, four groups of mounting plate, four groups of fixed plate, four groups of spring and vibrator.The utility model can both be aimed at different particle size activated carbon to realize accurate sand removal, and also can cover more extensive particle size range activated carbon processing demand, substantially improve the adaptability of device to different specifications activated carbon sand removal operation, effectively avoid the problem of incomplete sand removal or low filtering efficiency caused by single filtering level.
Owner:YANTAI TONGYI ENVIRONMENTAL PROTECTION TECH CO LTD

Luminescent fiber and preparation method thereof

The invention discloses a preparation method of a luminescent fiber and the luminescent fiber. The preparation method comprises the following steps: immersing a fiber core wire into first slurry, taking out the fiber core wire, and performing first annealing to form an electron injection layer outside the fiber core wire; immersing the fiber core wire into the second slurry, taking out the fiber core wire, and performing secondary annealing to form a light-emitting layer outside the electron injection layer; immersing the fiber core wire into third slurry, taking out the fiber core wire, and performing third annealing to form a hole injection layer outside the light-emitting layer; a surface layer is formed outside the hole injection layer, the fiber core wire is a first electrode, and the surface layer is a second electrode.
Owner:GOERTEK INC

Water sump coal slime self-discharging device

The utility model discloses a water sump coal slime self-discharging device, which relates to the technical field of coal slime cleaning and comprises a sedimentation tank, a sedimentation tank is arranged in the sedimentation tank, two filter screens are mounted on the side wall of the sedimentation tank, a connecting frame is mounted on the upper side of the sedimentation tank, and the top end of the connecting frame is connected with a hanging hook on the bottom side of a chain block. And a sliding piece is mounted at the top end of the chain block and slides on the channel steel track. According to the self-discharging device for the coal slime in the water sump, the setting tank is driven to ascend and descend in the setting pond through the arranged chain block, the setting tank is slowly removed from the water sump, the coal slime in the setting tank can be cleaned by opening the filter screen in the window, the coal slime does not need to be cleaned in the setting pond any more, and rapid, efficient and safe cleaning and discharging of the coal slime are achieved.
Owner:SHAANXI SHANMEI HUANGLING MINING IND CO LTD

Transporter lysE mutants and their use in increasing l-histidine production

This application relates to the use of a lysE mutant transporter in increasing L-histidine production. Specifically, this application provides a lysE mutant transporter with the following amino acid substitutions relative to the wild-type lysE transporter shown in SEQ ID NO:1: valine at position 197 is replaced by alanine, and / or serine at position 205 is replaced by alanine or glycine. This application also provides the use of the lysE mutant transporter in the preparation of L-histidine or L-histidine derivatives. Compared to strains containing wild-type lysE, strains containing the lysE mutant exhibit increased histidine production.
Owner:ANHUI HUAHENG BIOTECH CO LTD +1