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406results about How to "Improve working environment" patented technology

Mechanical operation device for lifting and lowering oil tube of oil well

The invention relates to a mechanical operation device for lifting and lowering an oil tube of an oil well. The device comprises an elevator, a supporting frame, a lifting and lowering mechanism, a grounding clamp, a pair of hydraulic tongs, an oil tube conveying mechanism, a hydraulic drive mechanism and an electric control mechanism, wherein the supporting frame, the lifting and lowering mechanism, the grounding clamp, the hydraulic tongs and the oil tube conveying mechanism are matched with the elevator; the hydraulic drive mechanism consists of a hydraulic pump and a hydraulic cylinder; and the electric control mechanism is used for controlling the electric lift of the elevator and controlling the hydraulic pump and the hydraulic cylinder. The device is characterized in that: the main structure forming the device also comprises a frame structure connected with a well mouth; a well mouth flange is arranged at the outer bottom of a main platform of the frame structure; the grounding clamp is fixed on the upper part of the main platform; an elevator base platform and a hydraulic tong platform are arranged on the two sides of the frame structure on the upper part of the grounding clamp; an elevator base is fixed on the elevator base platform to matched the elevator; and the pair of hydraulic tongs is fixed on the hydraulic tong platform. The device replaces the traditional manual operation of hanging and conveying the oil tube with the mechanical operation, so the mechanical operation in an overall process can be realized, the working environment of workers is greatly improved, the labor intensity is greatly reduced, and the labor efficiency is obviously improved.
Owner:殷江虹

Automatic boom road-header space pose detection system and measurement method thereof

The invention belongs to the technical field of boom road-header automation, and provides an automatic boom road-header space pose detection system and a measurement method thereof to solve the problem of severe influences of only detection of the relatively horizontal plane pitch angle and the rolling angle of the body of a road-header and unable body vertical deflection displacement, that is, height difference on the tunnel direction control. A step structure is arranged at the front end of the upper surface of the body; a structured light laser device is arranged on a tunnel top board, and the structured light laser device projects two vertical sector lasers to the road-header to form cruciform structured lights on the step structure; a mining explosive-proof camera is arranged at the tail portion of the upper surface of the body, the direction of the camera is consistent to the vertical symmetric axis direction of the body, and an imaging window points to the step structure; and an image processing platform is arranged in an onboard industrial control computer. Automatic navigation and positioning of the road-header are realized, and the working environment of a working surface is improved. The system and the method realize remote control and unmanned heading, and realize safe and efficient tunnel heading; and the system has the advantages of low cost, simple structure and information completeness obtaining.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +2

Pig manure centralized treatment and resource utilization method

The invention discloses a pig manure centralized treatment and resource utilization method, which comprises processes of pretreatment, squeezing treatment, biogas production, biogas purification, biogas power generation, biogas slurry separation, guanite crystallization, residual liquid treatment and composting treatment, wherein a biological treatment process is set to be combined with a series of resource recovery strategies so as to realize the zero-emission treatment of the pig manure, and thereby the working environment and the peripheral environment of a hoggery are greatly improved, and the environmental protection and the comprehensive treatment of the hoggery are benefited; the whole process is better integrated, can be combined into an integral device, also can be modularly divided into a functional module of a biogas production generating system, a water purification functional module in high-concentration hoggery sewage and a special-effect organic fertilizer production functional module, and the whole facility occupies small area, has lower investment and operational cost, and is easy to realize equipping; and the invention organically combines the production of biogas, electricity generation, organic fertilizer and guanite, and has good social and economic benefits.
Owner:SHANGHAI RUIDAO ENERGY SAVING ENVIRONMENTAL PROTECTION SCI & TECH CO LTD

Super-large diameter shield cutterhead system used in hard-soft heterogeneous ground

PendingCN106907158AImprove working environmentImprove stability and adaptabilityTunnelsStructural engineeringIndustrial engineering
The invention discloses a super-large diameter shield cutterhead system used in a hard-soft heterogeneous ground. The super-large diameter shield cutterhead system comprises large-size cutterheads, a medium-size cutterhead, small-size cutterheads, spokes, a panel, a hob, a cutting knife, a leading knife, a center knife, a stirring rod, a reducer, a hydraulic motor, a power transmitting device, a shield and a spiral unearthing device; the front end cutterhead of the shield is nine cutterheads which are formed and arranged in a spatial crossing structure, and is divided into four-order cutterheads including the large-size cutterheads, the medium-size cutterhead, and the small-size cutterheads; the four-order cutterheads comprises a first-order cutterhead, second-order cutterheads, third-order cutterheads, and fourth-order cutterheads. According to the super-large diameter shield cutterhead system used in the hard-soft heterogeneous ground, multiple layers of cutterheads are distributed in a spatial crossing mode, each cutterhead can achieve individual control, and thus the excavation efficiency, precision and stability of the super-large diameter shield in construction of the hard-soft heterogeneous ground are improved. The use of a large diameter mainshaft bearing is prevented, and the manufacturing difficulty and transportation cost are lowered; through the adoption of the multiple layers of the cutterheads, loads of each part are lowered, and the service life of relevant parts of the cutterheads is prolonged.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1

Electrically controlled hydrogen-spraying pressure regulating device of fuel cell system

The invention relates to an electrically controlled hydrogen-spraying pressure regulating device of a fuel cell system, which is used for controlling air inflow at the hydrogen side of the fuel cell system. The electrically controlled hydrogen-spraying pressure regulating device comprises a fuel cell stack which is used for performing reaction of a hydrogen fuel cell to generate electric energy; a hydrogen side inlet pressure control component which is connected with a hydrogen inlet pipe of the fuel cell stack and is used for controlling an inlet pressure of the hydrogen and backflow of the hydrogen; a draining component which is connected with a hydrogen drain pipe of the fuel cell pack and is used for draining wastewater; and a controller which is respectively connected with the hydrogen side inlet pressure control component and the hydrogen draining component and is used for controlling the hydrogen side inlet pressure control component and the hydrogen draining component and regulating the hydrogen inlet side pressure. In comparison with the prior art, the electrically controlled hydrogen-spraying pressure regulating device of the fuel cell system has the advantages of improving the working environment of the fuel cell, being safe and reliable, being capable of preventing backflow, keeping the temperature of the returned hydrogen and the like.
Owner:TONGJI UNIV

Waterproof asphalt felt laying machine

The invention relates to a waterproof asphalt felt laying machine. The waterproof asphalt felt laying machine comprises a vehicle body, an asphalt feeding and distributing system, a felt feeding and laying system, a walking system, a feeding and hosting system and the like. The asphalt feeding and coating system is arranged on the vehicle body and comprises an asphalt heat preserving and heating tank, an asphalt special valve, an even asphalt coating pipe and an asphalt scraper. The felt feeding and laying system is arranged on the vehicle body and used for laying felt while the asphalt feeding and coating system coats asphalt. The felt feeding and laying system comprises felt roll supporting shafts, a felt winding drum support, a felt guide roller, a felt compressing roller and a felt guide plate. The walking system comprises a walking wheel, a drive wheel set and a drive device. The drive wheel set comprises a driving wheel and a driven wheel. The driving wheel is driven by a drive device to walk and drives the driven wheel to walk through a chain transmission structure. The waterproof asphalt felt laying machine can be applied to a surface where bottom layer processing has been conducted and waterproofing is needed, the labor intensity can be greatly lowered, the working environment is improved, and the construction quality and efficiency are improved.
Owner:DALIAN ZHONGKUANG EQUIP MFG

Triglycidyl isocyanurate melting granulating technology and production line thereof

ActiveCN101773806AImprove working environmentSolve environmental problemsOrganic chemistryGranulation on conveyor beltsChemistryTriglycidyl isocyanurate
The invention relates to the technical field of triglycidyl isocyanurate melting granulation, in particular to a triglycidyl isocyanurate melting granulating technology and a production line thereof. In the melting granulating technology, a distillation still is used at different temperatures to carry out atmospheric distillation and reduced pressure distillation, and after an organic solvent is steamed out completely, materials in the distillation still are uniformly put onto a band type cooling conveyer and are ground and screened after being cooled, and the production line consists of the distillation still, a condenser, an organic solvent recovery tank, a vacuum pump, the band type cooling conveyer arranged under the distillation still, a grinder, a screening machine, a packaging machine, a steam pipeline connected with an interlayer of the distillation still and a cooling water pipeline. The invention has the advantages of complete recovery of the organic solvent, working environment improvement, production cost reduction, stable and safe process and high product yield. Because the product density is large, the storage and transportation space is reduced, and the storage and transportation cost is reduced.
Owner:ANSHAN RUNDE FINE CHEM

Full natural nutrient ginger slice and preparation method thereof

InactiveCN101507506AImprove working environmentComplete supporting facilitiesFood preparationNutrientBody discomfort
The invention discloses an all-natural nutrient ginger slice and a preparation method thereof. The ginger slice is prepared from ginger powder and nutrient binder, wherein the nutrient binder is selected from one or more of fruit powder, vegetable powder, edible pollen, soybean powder, milk powder and soybean milk powder. The preparation method substitutes the nutrient binder (including fruit powder, vegetable powder, soybean powder, milk powder, soybean milk powder and the like) for binder added in the production of gelatin, seaweed gel and other prior tablets, thereby not only meeting the need of tabletting molding, but also achieving the aim of nutrition balance. If hawthorn powder and chrysanthemum powder are selected as the nutrient binder, the discomfort caused for the people with vigorous liver fire by eating ginger can be effectively balanced. The nutrient ginger slice has the advantages that the ginger slice is an all-natural food, is convenient to carry and eat and suitable for the people with cold physique, and simultaneously has the effects of refreshing and restoring consciousness, strengthening heart, relieving restlessness, recovering from fatigue, resisting rheumatism, quitting smoking, cleaning oral cavities and relieving journey weariness and body discomfort such as dizziness, emesis, carsickness, cold, aversion to cold, and the like.
Owner:吴承霖

Automatic pole climbing device

The invention discloses an automatic pole climbing device. Two ends of a driving box body are connected with two ends of a driven wheel box body through U-shaped regulating stems; a speed regulating motor, a left driving wheel shaft and a right driving wheel shaft are arranged on the driving box body; the left driving wheel shaft and the right driving wheel shaft are symmetrically arranged on two sides of the speed regulating motor; a worm is connected to an output shaft of the speed regulating motor; the worm is matched with a worm gear which is fixedly sleeved on a worm gear shaft; the worm gear shaft is arranged on the driving box body; two ends of the worm gear shaft are connected with the left driving wheel shaft and the right driving wheel shaft respectively; a left driving wheel and a right driving wheel are fixedly sleeved on the left driving wheel shaft and the right driving wheel shaft respectively; a driven wheel transmission shaft and engineering boots are arranged on the driven wheel box body; a driven wheel is fixedly sleeved on the driven wheel transmission shaft; wheel surfaces of the left driving wheel, the right driving wheel and the driven wheel are curved surfaces; and the wheel surfaces of the inner sides of the left driving wheel, the right driving wheel and the driven wheel are positioned on the same circular surface. By the automatic pole climbing device, labor intensity of an operator can be reduced; and the automatic pole climbing device is simple in structure and high in generality.
Owner:CHONGQING FENGDU POWER SUPPLY

Treatment method of waste silver electrolyte

A treatment method of waste silver electrolyte is a technology which uses the cyclone electrolysis technology to extract valuable metals from waste silver electrolyte and ensures that the treated liquid meets the wastewater discharge standard. The treatment method adopts a circulation loop containing serial cyclone electrolytic cells and comprises the following steps: waste silver electrolyte is sent from the cell bottom to the serial cyclone electrolytic cells, impurities are removed by adopting low current density and medium flow; electrolytic silver powder is extracted from the purified liquid under the conditions of low current density and medium flow; and advanced purification is performed to the electrolyzed liquid to ensure that the treated waste liquid meets the wastewater discharge standard. By adopting the treatment method in the invention, silver ions in the waste silver electrolyte can be effectively recycled, electrolytic silver powder of which main grade is 98-99% is generated; the electrolyzed liquid meets the wastewater discharge standard; in the back stage of electrolysis, the quality of the electrolytic silver product can meet the requirements of the 1# silver in GB/T4135-2002; and the solution is in closed cycle, thus the dispersions and emissions of acid mist and harmful gases can be avoided, the method is safe and environment-friendly, and the working environment can be improved.
Owner:JINCHUAN GROUP LIMITED

Dual sealing device for feeding of ball mill

InactiveCN102357382AImprove working environmentSolve the problem of slurry leakageEngine sealsGrain treatmentsWear resistantBall mill
The invention provides a dual sealing device for feeding of a ball mill, which is applied in the technical field of large-scale ball mills. The sealing device comprises an inlet pipe, an auxiliary mounting beam, connecting bolts, a compressing snap ring, compressing angle sealing rubber, an adjusting bolt, a mounting flange, an inner wear resistant rubber slab, an outer wear resistant rubber slab, a compressing plate, a compressing plate bolt, a mounting flange bolt and a feeding bushing. The invention is characterized in that: the dual sealing device for feeding of a ball mill is formed by assembling the auxiliary mounting beam, the mounting flange, the inner wear resistant rubber slab, the compressing plate, the outer wear resistant rubber slab and the compressing angle sealing rubber; during installation, the mounting flange is fixed on the inlet pipe through the auxiliary mounting beam, the compressing angle sealing rubber is fixed on a feeding pipe through the compressing snap ring, one side of the compressing angle sealing rubber parallelly contacts with the inner wear resistant rubber slab, and the other side of the compressing angle sealing rubber contacts with a slope of the outer wear resistant rubber slab. According to the invention, the movable compressing angle sealing rubber, the twofold contacted inner and outer wear resistant rubber slabs and the detachable auxiliary mounting beam are utilized in the dual sealing device; therefore, the advantages of convenient installation, simple adjusting and improvement of work environment for sealing members are obtained.
Owner:NORTHERN HEAVY IND GRP CO LTD

Tamping device with independent hydraulic shock excitation and clamping movement

The invention discloses a tamping device with independent hydraulic shock excitation and clamping movement. Tamping heads are correspondingly arranged on two side surfaces of a tamping box body of the tamping device, the tamping heads on each side surface are matched in pairs, each pair of tamping heads comprises an inner tamping head and an outer tamping head, a cylinder body of a clamping hydraulic cylinder of each tamping head is hinged with the tamping box body, the upper end of an upper tamping arm is hinged with piston rods of the clamping hydraulic cylinder, the upper tamping arm is also hinged with a supporting shaft fixed on the tamping box body, piston rods of a shock excitation hydraulic cylinder are fixedly connected with the lower end of the upper tamping arm, cylinder bodies are fixedly connected with shifting forks, the upper tamping arm is fixedly connected with a connecting element, a lower tamping arm is hinged with the supporting shaft fixed on the connecting element, pin shafts are fixed to the upper end of the lower tamping arm, the supporting shaft arranged on the tamping box body, the supporting shaft arranged on the connecting element and the pin shafts are all vertical to the side surface of the tamping box body, the pin shafts are placed in fork grooves of the shifting forks, tamping picks are fixed to the lower end of the lower tamping arm, and the clamping hydraulic cylinder of the inner tamping head and the outer tamping head in each pair of tamping heads is arranged between the upper tamping arms of the inner tamping head and the lower tamping head.
Owner:ZHEJIANG UNIV +1

Environment control system for livestock breeding house

The invention provides an environment control system for a livestock breeding house. The environment control system comprises a singlechip microcomputer controller, input equipment, a digital display screen, a temperature sensor, a humidity sensor, a heater and a humidifier, wherein the singlechip microcomputer controller, the input equipment and the digital display screen are arranged outside the livestock breeding house; the temperature sensor, the humidifier sensor, the heater and the humidifier are arranged in the livestock breeding house; the input equipment, the temperature sensor and the humidity sensor are connected with the input ends of the singlechip microcomputer controller through data lines respectively; and the input ends of the heater, the humidifier and the digital display screen are connected with the output ends of the singlechip microcomputer controller respectively. The environment control system has the beneficial effects that each environment index in the livestock breeding house can be controlled immediately and accurately by using the environment control system for the livestock breeding house, the phenomenon of non-prompt or error operation caused by manual direct operation of environment control equipment is avoided, economic losses caused by unqualified livestock breeding due to environment factors are avoided, and the breeding efficiency of livestock is increased.
Owner:JINAN MING XIAO MECHANICAL EQUIP

Automatic sludge conveying device for pressure filter

The invention discloses an automatic sludge conveying device for a pressure filter. The automatic sludge conveying device for the pressure filter mainly comprises an operating platform and a sludge conveying device. The pressure filter is arranged on the operating platform; the operating platform is provided with a sludge leakage opening used for sludge to leak; the sludge conveying device is arranged below the operating platform; a sludge loading device is arranged below the sludge outlet end of the sludge conveying device; the sludge falls off from the interior of the pressure filter, falls to the sludge conveying device and is conveyed into the sludge loading device to be bagged for packaging, and therefore, full-automatic sludge discharging and loading are realized. The sludge does not need to be discharged to the ground, the ground cannot get messed or slippery, and the work environment is improved. Moreover, workers do not need to shovel the sludge, thus, the labor strength is greatly reduced. The automatic sludge conveying device for the pressure filter is improved on the basis of a traditional conveying belt, so that pressure filtrate can totally and automatically flow into a water collecting device under the action of gravity; the pressure filtrate cannot outflow at the sludge outlet end, thus, the pressure filtrate cannot wet the sludge dried by pressing; and the pressure filtrate also cannot flow to the ground.
Owner:苏州南风优联环保工程有限公司

Automatic bottom cover and top cover sealing machine for barrel body

The invention relates to an automatic bottom cover and top cover sealing machine for a barrel body. A machine frame is arranged below a barrel body conveying chain, a bottom cover conveying chain and a top cover conveying chain are arranged on the machine frame, the conveying direction of the bottom cover conveying chain is parallel to the conveying direction of the top cover conveying chain, the conveying direction of the bottom cover conveying chain is perpendicular to the conveying direction of the barrel body conveying chain, a top cover aligning device is arranged on the portion, behind the joint point of the barrel body conveying chain and the top cover conveying chain, of the top cover conveying chain, a barrel body aligning device is arranged below the portion, behind the machine frame, of the barrel body conveying chain, a top cover overturning mold folding device and a bottom cover overturning mold folding device are installed on the machine frame, and a bottom cover sealing device and a top cover sealing device are arranged at the two sides of the portion, in front of the machine frame, of the barrel body conveying chain. The automatic bottom cover and top cover sealing machine for the barrel body has the advantages of being high in production efficiency and capable of achieving full-automatic production and capable of greatly improving the labor environment of workers and improving the labor safety of the workers.
Owner:WUXI SIFANG YOUXIN

Coal-rock drift quick tunnelling method

ActiveCN101975066ASuppression of spontaneous angerImprove working environmentTunnelsDrill holeCoal
The invention relates to a coal-rock drift quick tunnelling method. In the method, hydraulic fracturing is carried out in underground coal rock mass, so as to improve permeability and safely and quickly tunnel. Firstly long drill holes are constructed at tunnelling head, hole termination is required to be over mining pressure releasing region, long drill holes such as geologic hole and boring hole are not existed near drill hole, a hole packer special for fracturing is adopted to seal hole, hole sealing position is required to be over mining pressure releasing region, meanwhile a high pressure pipeline is arranged, and a fracturing pump set is mounted, arranged and debugged; then the hole packer special for fracturing is connected by virtue of the high pressure pipeline; and finally tunnelling hydraulic fracturing operation is carried out, underground dewatering is carried out, a gas drainage hole is constructed, and online gas drainage is carried out, thus achieving the aims of permeability enhancing, protrusion dispelling and safe tunnelling. Compared with the conventional measures, the invention is safe and effective, coal seam permeability can be improved by more than one hundred times, gas drainage effect is obvious, protrusion preventing indexes after fracturing are all not more than critical values, and finally the aim of safe and quick tunnelling is achieved.
Owner:河南省煤层气开发利用有限公司
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