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

A sliding means with built-in moving-magnet linear motor is provided, realizing high-speed operation and much response ability of a table to a stationary bed, and also accurate position control of the table to the bed. With the sliding means of this invention, armature windings carry a three-phase current while a driving circuit is transferred to the external driver to make the bed slim in construction. Thus, the sliding means is reduced in overall height. A field magnet of rare earth permanent magnet is effective in raising flux density, thereby providing high propulsion for the table. An encoder to monitor a position of the table is an optical encoder having an optical linear scale, which contributes to improvement in accurate monitoring. The construction in which the armature windings connected to cords, lines, and so on are placed on the stator side has no fear of causing dust and dirt, thus realizing clean environment.

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.

The invention relates to a controlling apparatus for the support of a working face, is an electronic controller for a hydraulic support of a fully mechanized mining face in a coal mine pit. The invention comprises: a data acquiring module connected with a travel pressure sensor, a CPU, a communication module communicated with other supports through a CAN bus, a drive module connected with a solenoid pilot valve, and a man-machine interfacing module. The data acquiring module, the communication module, the CPU and the drive module form a control unit, which is sealed in the casing of the controller box. The man-machine interfacing module forms a man-machine interfacing unit, which is sealed in the casing of the controller box. The control unit is connected with the man-machine interfacing unit through a communication cable. Any quick-wearable part with low reliability in the support controller is removed, the reliability of the support controller is improved, also the working environment of the quick-wearable part in the support controlling unit is improved, and the impact of the quick-wearable part on the control system is reduced.

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.

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.

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.

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.

The invention discloses a queuing and number-calling system for waiting of medical institutions, comprising a number-calling server, at least one number-calling client and a voice device; the number-calling client is connected with the number-calling server by a network interface; the voice device is connected with the number-calling server by an audio interface; the number-calling server is used for setting and managing a checking queue formed by check lists in sequence according to the patient information and the attribution of the number-calling client; the check lists of the front end of the checking queue are distributed for the number-calling client and are sent to the number-calling client; the check lists which are distributed in the checking queue are deleted; number-calling information corresponding to the check lists is sent to the voice device; the number-calling client is used for carrying out connection with checking equipment or doctors, forms the attribution of the number-calling client and carries out interactive communication with the number-calling client; the voice device is used for playing the number-calling information.

The invention discloses a screed vibrator, which comprises an eccentric shaft, a blade, a vibration connecting seat, a vibration supporting seat and a fixed guard plate, wherein the eccentric shaft is supported on the vibration supporting seat; the upper end of the vibration connecting seat is sleeved on the eccentric shaft, while the lower end is hinged with a blade mounting seat; and the blade is arranged on the blade mounting seat, and is slidably arranged between the fixed guard plate and a bottom plate of the screed to only move up and down. The screed vibrator has the advantages of simple structure, stable running and low noise. The invention also discloses a paver, which comprises the screed provided with the screed vibrator.

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.

The invention discloses an ore cutting device with dust removal function, which comprises a dust collecting device and a cutting table, a baffle plate and a fixed base are installed above the cutting table, and a dust suction pipe is arranged on the left side of the baffle plate. A blower is arranged on the right side of the baffle, a crossbeam is installed above the fixed base, a mobile frame is installed above the crossbeam, an electric telescopic rod is connected below the mobile frame, and an electric telescopic rod is connected below the electric telescopic rod. A rotating block is installed, a cutting device is installed under the rotating block, a cutting knife is installed inside the cutting device, a supporting plate is installed under the cutting device, and a shock absorbing device is passed between the cutting table and the base connection, a control box is installed above the base, a motor unit is installed inside the control box, a support frame is installed above the control box, and a stone is placed on the right side of the support frame. The invention has the advantages of simple structure, reasonable design and simple operation, and is worth popularizing.

The invention relates to an automatic stacking and loading machine for bagged cement, characterized by comprising a receiver, a transfer device, a lifting coordinator, a grouping device, a slide carriage device, a stacking device, a lifting device and a master controller. The receiver is abutted to one end of the transfer device. The other end of the transfer device is rotatably connected with the upper end of the lifting coordinator. The lower end of the lifting coordinator is movably connected with the front end of the grouping device. The rear end of the grouping device is connected with the slide carriage device. The lower end of the slide carriage device is flush with the stacking device. The grouping device, the slide carriage device and the stacking device are lifted up and down together by the lifting device. The receiver, the transfer device, the grouping device, the stacking device and the lifting device are all connected with the master controller. The automatic stacking and loading machine has the advantages that cement bags from the machine can be directly grouped and stacked, automatic loading of the bagged cement is achieved, labor intensity is reduced for workers, work environment is improved, and efficiency is greatly improved.

The invention provides an environment-friendly stemming and a preparation method thereof. The environment-friendly stemming is prepared from, by mass, 15-40% of aluminum containing aggregates, 2-15% of coke, 1-5% of graphite, 10-25% of silicon carbide, 5-20% of ferro-silicon nitride, 5-20% of aluminum containing fine powder, 5-15% of clay, 2-8 parts of sericite, 2-6% of high-temperature pitch, 2-15% of an expanding agent and a binding agent accounting for the total mass of the other materials by 15-30%, wherein thermoplastic phenolic resin serves as the binding agent. The environment-friendly stemming and the preparation method thereof have advantages that toxic gases are avoided, a furnace front operation environment is improved, environmental friendliness, low raw material consumption, high hardening speed and short sintering time are realized, opening performance and slag iron erosion resistance of the anhydrous stemming are improved, resistance of the anhydrous stemming to flushing and abrasion of high-temperature molten iron is enhanced, and quality stability of the anhydrous stemming is improved.

The invention discloses a tower crane comprehensive intelligent monitoring device of building tower crane hoisting work. A tower crane safety hoisting operation contact device, an air speed sensor, a charging station and an operation room wireless router are connected with an operation room monitoring device through signal cables. A tackle wireless router, a tackle monitoring device battery pack, a monitoring camera, a speed reducer absolute shaft encoder and a hoisting hook weight measuring sensor are connected with a tackle monitoring device through signal cables. A command signal emitter is connected with the tackle monitoring device in a wireless communication mode. By monitoring air speed, goods weight, the depth of a hoisting hook, hoisting speed and a goods video image during work of a tower crane, digital monitoring of tower crane work is achieved, and once a parameter upper limit is exceeded, a control circuit is switched off and work stops. By means of hoisting hook depth monitoring, automatic focusing of the monitoring camera is achieved, and definition of hoisted goods with in the whole visual range is guaranteed. By means of the device, intrinsic safety work of the tower crane in real sense is achieved.

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.

The invention discloses a method and an apparatus for producing methyl formate or ethyl formate by comprehensively utilizing metronidazole hydroxylation synthesis wastewater, and solves the problems of high formic acid waste, difficulty for mixed salt treatment, very high difficulty for hydroxylation synthesis wastewater treatment, serious environmental pollution due to direct discharge and the like in the prior art. According to the process, alcohols are added for producing an esterification reaction to recover formic acid in the wastewater; and technological processes of distillation, rectification, crystallization, centrifugation and the like are added for separating and recovering formic acid in the wastewater on the premise of not influencing metronidazole preparation by a product, so that the difficult problem of metronidazole production wastewater treatment is radically solved, the metronidazole production cost is reduced, and the metronidazole yield is increased. The method has very good environmental, social and economic benefits, can be widely applied to metronidazole enterprises and has important practical significance.

The invention discloses an automatic covering system of a ceramic toilet water tank cover. The automatic covering system comprises a rack, a transmission device, a chuck, a camera and a chuck fine regulating device, wherein the transmission device is composed of a transverse transmission device, a longitudinal transmission device and a vertical transmission device, and the chuck fine regulating device comprises a chuck fine regulating servo motor, a fine regulating gear, a swing arm gear, a chuck center shaft and a fine regulating seat. According to the automatic covering system, the transverse transmission device, the longitudinal transmission device and the vertical transmission device are mutually matched, so that the chuck is quickly sent to a specified position. Then, a visual system is matched with the chuck fine regulating device, so that the angle of the chuck is regulated, and the water tank cover corresponds to a ceramic toilet water tank. Finally, the water tank cover is slowly placed on the ceramic toilet water tank by the longitudinal transmission device in a thread transmission mode, so that the automation of a covering process of the ceramic toilet water tank cover is realized.

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.

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.

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.

A kind of smoke equipment for single artery smoke series collecting relates to cigarette fixed part, artery smoke collecting part and pump system. The said artery smoke collecting part relates to artery smoke collecting bottle and micro injector setting on the top of bottle by a sealed cover. Cigarette holding apparatus of the cigarette fixed part connects with the air intake of the bottom to the artery collecting smoke bottle by pipeline. One pump system, which is made by cross valve, filter, flux control valve and pump connecting with each other on the pipeline in turn, connects with the air outlet of the top to the artery smoke collecting bottle by cross valve. It fuses the liquid tiny extraction technology into smoke machine and enhances the testing sensitivity by enrichment effect to the fluid tiny extraction to greatly reduce the number of pumping smoke in sample making process, improve the working condition in laboratory and reduce the labor intensity of operator.

The invention discloses a range hood. The range hood comprises a machine body, a refrigeration module, a draught fan and a heat exchanger, wherein the refrigeration module is arranged on the machine body; the refrigeration module comprises a shell; the shell is provided with an air inlet, a cold air outlet and a hot air outlet; a cold air channel for communicating the air inlet with the cold air outlet, and a hot air channel for communicating the air inlet and the hot air outlet are defined in the shell; the draught fan is used for guiding external air into the cold air channel and the cold air channel from the air inlet; the heat exchanger is arranged in the shell; the heat exchanger is provided with a heating end and a refrigeration end; the refrigeration end is arranged in the cold air channel; and the heating end is arranged in the hot air channel. According to the range hood disclosed by the embodiment of the invention, the cold air outlet on the refrigeration module can blow out low-temperature airflow; and a partial refrigeration function to an external environment is realized, the working environment of a kitchen is improved and the comfort of a human body is improved.

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.

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.

The invention discloses a countercurrent slurry cyclic immersion process used in cornstarch processing, which is characterized in that the process comprises the steps of immersing corn into a plurality of immersion tanks containing immersion slurry for 48-52 hours, wherein the immersion slurry is composed of 0.16-0.18% sulfurous acid and water, and has temperature of 48-50DEG C; and the plurality of immersion tanks communicate with each other. The corn is cyclically immersed in the immersion tanks, instead of the conventional stationary corn immersion. By cyclic immersion of the corn, the endosperm of the corn is effectively swollen, and the total starch yield is improved.

The invention discloses a honey filter unit and a filter method thereof. The honey filter unit comprises a filter tank body, a filter tank cover, a filter material and a delivery pipeline. On the premise of complying with the principle of gravity filtration in deep processing of honey industry, the unit substitutes the traditional bag filter method with the overall-process-computer-control honey primary pulp filter method using a stainless-steel-screen caisson-type filter screen box, and changes the filter technique of manually cleaning the filter material in the past, thereby reducing the labor intensity of workers and improving the working environment; and the method avoids the damage of the filter material due to the repeated turnover in the process of manually cleaning the filter bag, avoids the loss and waste of the detergent and residual primary pulp, and more importantly, avoids secondary pollution of the product due to manual operation, thereby greatly enhancing the production efficiency.

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.

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.

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.

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.