31results about How to "Solve the escape problem" patented technology

The invention discloses a micro expansion grouting material for tunnel lining filling. The micro expansion grouting material is prepared from the following ingredients in parts by weight: 35 to 50 parts of ordinary cement, 5 to 8 parts of micro beads, 3 to 5 parts of silicon ash, 4 to 6 parts of expanding agents, 35 to 45 parts of quartz sand, 1 to 2 parts of water reducing agents, 0.5 to 1.5 parts of retarding agents, 0.1 to 0.3 part of water holding agents, 0.2 to 0.4 part of early strengthening agents, 0.2 to 0.3 part of plastic expanding agents, 0.1 to 0.3 part of re-dispersible latex powder and 0.1 to 0.3 part of anti-foaming agents. The micro expansion grouting material for tunnel lining filling provided by the invention has the advantages that the flowability is good; the micro expansion filling performance is excellent; the early stage intensity development is fast; the later stage intensity is high; the anti-seeping performance is high; meanwhile, the combination performance with the concrete is high; the micro expansion grouting material is widely used for the disengaging area grouting between the tunneling lining and a waterproof plate; the problem of existence of a great number of hollow holes of the tunnel arc top lining can be solved; various construction defects of the lining can be restored; the lining integral mechanical property is improved.

The invention relates to a double-purpose window with the functions of theft resistance and escape, which is characterized in that the window body comprises a front frame and a rear frame, wherein a top fence and a bottom fence are arranged between the front frame and the rear frame; a front-face fence is arranged in the front frame; the window body is fixed on a wall body through the rear frame; the left and the right sides of the window body are respectively provided with a No.1 fence door and a No.2 fence door; the No.1 fence door and the No.2 fence door are respectively and flexibly connected between the front frame and the rear frame on the side; the No.1 fence door is open, is in a horizontal state and is supported through the bracket fixed on the wall body so as to form a platform; the No.2 fence door is open and in a pendulous state to form an escape ladder; and the No.1 fence door and the No.2 fence door are respectively connected to the corresponding positions of the window body through an electric lock. The invention improves the common convex type anti-theft window so as to have the anti-theft function and form the escape ladder and the platform after being expanded, utilizes the bottom fence of the window as a transition channel so as to open an escape channel on the external wall body of a building, and is not required to be provided with an additional escape tool to solve the escape problem when a high-rise building is on fire.

The invention relates to the technical field of coalbed gas development and provides a method for coalbed gas draining and colleting of water and gas producing of an oil pipe in order to solve the problems of air leakage and frequent workover in an existing coalbed gas pumping and draining technology. The method comprises the following steps that when draining and collecting are conducted on a coalbed gas well, an annular space between an oil pipe and a sleeve pipe is closed, gas and water are discharged through the oil pipe, gas-water mixture discharged from the downhole oil pipe is separated through a gas-water separator arranged on the ground, and the separated coal-bed gas passes through a manifold and enters a gas collecting station, and the separated water is discharged to a water draining pool through the manifold. According to the method, by installing the gas-water separator on the ground, the gas and water are completely separated on the ground, the difficult problem of escaping of the gas of an water outlet through a conventional draining and collecting mode is solved, resource waste and environmental pollution are avoided, meanwhile, an oil pipe water and gas producing technology is used to be matched with a chemical detergent, a zone near a well and the periphery of a pump body can be flushed, and pulverized coal is discharged back to the ground by using high speed fluid in the oil pipe.

The invention provides a waste gas collecting and processing device, and a workpiece cleaning system. The waste gas collecting and processing device comprises an accommodating groove (1; 7) configuredto contain a cleaning fluid; an air blowing opening (3) is formed in a first side wall of the accommodating groove (1, 7), an air suction opening (6) is formed in a second side wall of the cleaning tank (1, 7), the first side wall and the second side wall are oppositely arranged, and the air blowing opening (3) and the air suction opening (6) are higher than cleaning liquid; an air blowing component (10) and an air suction component (21) are respectively communicated with the air blowing port (3) and the air suction port (6); and an air curtain layer (4) is formed in an area between the air blowing port (3) and the air suction port (6) in the accommodating grooves (1; 7) in a state that the air blowing component (10) and the air suction component (21) are turned on. According to the wastegas collecting and processing device, waste gas in a tank body can be prevented from escaping, environment-friendly treatment of the waste gas can be achieved, and the automatic cleaning efficiency is improved; and moreover, a pollution-free and safe operation environment is provided for operators.

The invention discloses an acid pump. The acid pump is provided with a shaft seal device, wherein the shaft seal device comprises a fixedly arranged stuffing box and a fixedly arranged baffle ring; the stuffing box is provided with a lower cavity; a thread sleeve is arranged in the lower cavity, fixedly connected with a pump shaft, and in sealed fit with the radial direction of the pump shaft; the upper part of the baffle ring has an annular funnel-shaped structure, and the lower part of the baffle ring has a ferrule structure; a wrapping gap is reserved on the outer circumference of the baffle ring wrapped in the stuffing box; a sleeving gap is reserved on the excircle of a ferrule sleeved on the pump shaft; a cold acid liquor inlet is formed above an annular funnel; and cold acid liquoroverflows from the annular funnel on the upper part of the baffle ring and flows out of the sleeving gap through the wrapping gap. The acid pump is mainly applied to a low-temperature recovery systemof acid; acidic gas does not escape during work, so that the acid pump has high sealing property; meanwhile, the acid pump has good lubricating and cooling effects, so that work safety and service life are ensured.

The invention discloses a detection method for the carbon content of globular graphite cast iron. The method comprises the steps of sampling, preparing samples, analyzing and reading a measurement value. The method is characterized in that a complete white specimen of the globular graphite cast iron under a liquid state is taken in a sampling process, and analysis and measurement value reading arecarried out. By use of the method, a sample state is changed, i.e., the complete white specimen of the globular graphite cast iron under the liquid state is taken, so that graphite in a sample microscopic metallographic structure completely exist in a Fe3C form, free state graphite is avoided, so that a graphite escape problem is solved, the volatility of the detection data of the carbon contentof globular graphite cast iron is lowered, and detection data accuracy is improved.

The invention discloses a preparation method of natural borneol and relates to the field of traditional Chinese medicine preparation methods. The preparation method comprises the following steps of distillation, dissolution absorption adopting a solvent, refrigeration crystallization, centrifugal separation, natural borneol crude product collection and purification, wherein the dissolution absorption adopting a solvent comprises dissolving essential oil carried by steam distilled from cinnamonum camphora (L.) presley branches and leaves in the solvent, and continually diluting the solvent so that natural borneol is separated out. The preparation method has the advantages that 1, through a solvent-based dissolution method, a distillate of essential oil of cinnamonum camphora (L.) presley branches and leaves is directly dissolved in a solvent so that it is avoided that borneol in distillate produced by the traditional preparation method condenses on a condenser in distillate condensation thereby causing pipe blocking; condenser dredge and cleaning processes are saved; operation time is reduced; and a product loss is reduced; and 2, through utilization of ethanol having a concentration of 40 to 95% as an absorption dissolution solvent, a separation effect is improved.

The invention relates to a closing device for a vestibule of a belt conveyor, and belongs to the technical field of bulk material conveying. The closing device comprises a machine cover arranged above a bearing section, doors which are arranged on the two sides of the bearing section and the two sides of a return stroke section and can be opened and closed and a material falling baffle arranged below the return stroke section. The machine cover, the doors and the material falling baffle are connected in a sealed manner to form a closed enclosure structure, so that the bearing section and the return stroke section are contained in the enclosure structure, and an overhaul channel is exposed out of the enclosure structure. Closed conveying of materials on the bearing section and excess materials on the return stroke section is realized, and the problem of dust escape is effectively solved. The overhaul channel is not closed, the closed space is more compact, and the closed work amount and investment are reduced. The working environment of workers is improved, and abnormal stuffiness at high temperature is avoided. The doors can be opened and closed, and material cleaning and equipment overhaul are convenient. The device can be implemented in closed transformation of outdoor truss type vestibules in coastal areas in the south, can be further used for closed transformation in wall frame type closed vestibules in the north to improve the working environment, and is wide in application prospect.

The invention relates to a using method of an automobile drowning lifesaving window. The automobile drowning lifesaving window comprises a floating ball device, an inflating device and a breathing device, the floating ball device and the inflating device are installed on a top plate of an automobile, and the breathing device is installed on the floating ball device; the floating ball device comprises a protective cover, a life buoy, a life buoy connecting seat and an escape device; during use, after an automobile falls into water, two hands grasp an escape handle of the floating ball device topull an upper inflation valve of the life buoy to be connected with a lower inflation valve of the compressed air storage tank in a sealed mode, compressed air is inflated into the life buoy and thetripping air bag, and the tripping air bag is used for driving the lock catch to retreat from a lock catch hole of the automobile. The inflated life buoy is used for pulling the escape personnel to float up to the water surface; and meanwhile, the breathing device is provided for escape personnel so that the escape personnel can breathe, and the escape problem of automobile drowning is solved.

The invention discloses a water injection type escape system for a high-rise building. The escape system is arranged outside the high-rise building and comprises a main cavity; a water inlet pipe, multiple safety doors and a water outlet pipe are arranged on the main cavity; the main cavity is of a hollow annular structure and is vertically arranged outside the high-rise building, so that the main cavity filled with water can form an escape waterway for residents in the high-rise building; the water inlet pipe is arranged on the outer wall of the main cavity and communicates with the interior of the main cavity; the multiple safety doors are arranged on all floors of the high-rise building; the water outlet pipe is arranged at the bottom of the main cavity. The escape system has the advantages that the escape system has universality and is high in escape efficiency, the high-rise building escape problem of vulnerable groups is solved, and secondary damage in the high-rise building escape process is effectively avoided. Due to the structure of the multi-layer main cavity, the system can be applied to the high-rise building and is not limited by the height of the building.

An intelligent automobile drowning lifesaving window comprises a floating ball device, an inflating device, a tripping device, a breathing device and a controller, and the floating ball device comprises a protective cover and a life buoy; during use, after an automobile falls into water, a first water level sensor of the controller transmits an automobile water falling signal to the controller, the controller controls the inflating device to automatically inflate the life buoy of the floating ball device, and after the life buoy is inflated, the controller controls the tripping motor of the tripping device to drive the tripping eccentric wheel to rotate for unlocking; the life-saving cylinder of the life buoy is separated from an escape hole of the automobile, and an escaper grasps the escape handle of the floating ball device with two hands and floats to the water surface along with the inflated life buoy through the escape hole of the automobile; and meanwhile, a breathing device isprovided for the escaper, so that the escaper can breathe, and the escape problem of automobile drowning is solved.

An automobile drowning lifesaving cover comprises a lifesaving cover body, a floating ball device and an inflation device, the floating ball device and the inflation device are installed on the lifesaving cover body, the lifesaving cover body is installed on an automobile, and the lifesaving cover body comprises a shell, a supporting spring, a sealing gasket, a lifesaving device and a breathing device. When the lifesaving device is used, after an automobile falls into water, the turntable handle of the lifesaving device is grasped and rotated by two hands, and the clamping plate of the chuck is rotated to a clamping releasing position aligned to the notch of the lifesaving hole of the roof plate; compressed air is inflated into an inflation ball of the floating ball device through a compressed air bottle of the inflation device, and escape people in the automobile are dragged away from the drowning automobile through the lifesaving hole by means of the inflation ball and float on the water surface; and meanwhile, a breathing device is provided for escape personnel so that the escape personnel can breathe, and the escape problem of automobile drowning is solved.

The invention provides an automatic discharge device for powder in ton packaging bags and a discharge method. The automatic discharge device for the powder in the ton packaging bags comprises a preparation unit, a receiving unit, a material suction unit, a discharge unit and a control unit. A rotating holding arm mechanism of the preparation unit corresponds to rotating hoppers of the receiving unit. The rotating hoppers of the receiving unit correspond to suction heads of the material suction unit. The suction heads in the material suction unit communicate with a discharger in the discharge unit through pipelines and valves. The suction heads of the material suction unit communicate with air. A vacuum pump of the discharge unit communicates with air through a pipeline. The control unit is connected with the other units. The method for conducting discharge through the device mentioned above includes the steps of preparation, receiving, material suction and discharge. The device and the method solve the discharge problem of the powder in the ton packaging bags and particularly aim at the problems that in the process of discharging aluminum oxide in ton packaging bags in an electrolysis plant, dust escapes outwards, pollution is severe, the labor productivity is low and the packaging bags cannot be repeatedly used, and the economic benefits of enterprises are improved.

The invention discloses a high-altitude escape device. The high-altitude escape device comprises an escape safety garment worn by a user, an anti-falling device used for slowly controlling the user to move downwards, a positioner used for positioning the position of the high-altitude escape device and sending alarm information, and an alarming apparatus used for receiving the alarm information sent by the positioner to give an alarm, wherein the anti-falling device comprises an anti-falling rope and a slow descending regulator; the anti-falling rope is wound in the slow descending regulator, and one end of the anti-falling rope is fixed to a wall body; one end of the slow descending regulator is detachably connected to the escape safety garment and can release the anti-falling rope; the alarming apparatus is arranged in a fire extinguishing system; the positioner is in communication connection with the alarming apparatus in the fire extinguishing system; and the positioner is provided with a sensor used for sensing smoke and a transmitter used for transmitting alarm information to the alarming apparatus when the sensor detects the smoke. The high-altitude escape device can help the user to quickly escape from a fire scene when a fire comes, and the escape problem of people in the high-rise fire is effectively solved.

The invention provides a super high-rise core tube wall body builder escape-climbing-cage including main stress-bearing suspenders, a climbing ladder, a rest platform plate and periphery guard plates;a plurality of main stress-bearing suspenders are vertically arranged to form a climbing-cage-frame structure; a plurality of periphery guard plates are arranged between the adjacent main stress-bearing suspenders to form an escape-climbing-cage protection structure; the rest platform plate is horizontally arranged in the climbing-cage-frame structure; and the climbing ladder is vertically arranged in the climbing-cage-frame structure. According to the super high-rise core tube wall body builder escape-climbing-cage, not only is the escape problem of super high-rise core tube wall body builders solved, but also the cyclic utilization of the climbing cage can be achieved; and when building height differences exist, the evacuation problem of core tube wall body builders can be solved through nested climbing-cage tools, and the builders are evacuated to a relatively safe position of a floor horizontal plate to avoid unnecessary casualties.

The invention relates to a non-formaldehyde glass wool wind pipe plate, wherein its production comprises high-temperature fusing; making fiber; ejecting non-formaldehyde and glass wool adhesive, solidifying, shaping, strengthening the inner adhesive surface; slicing and packing. The non-formaldehyde glass wool adhesive injection method is same as traditional method; the solidify temperature is controlled at 100-300Deg. C; and said adhesive should be heated to 50-70Deg. C before using, and its solid content is higher than 10%.

The invention provides sealed coke loading dust removal equipment for a dry quenching system. The equipment comprises a coke loading dust collecting cover, a coke tank dust collecting cover, a coke tank groove seal, a moving mechanism, a water seal cover, a coke guide groove, an elevator, a coke tank guide rail frame, a coke tank groove, a coke tank and a dry quenching groove, wherein the coke loading dust collecting cover covers a coke loading opening of the dry quenching groove and is connected with the bottom of the coke tank groove; the coke tank groove is hermetically arranged between the coke tank dust collecting cover and the coke tank groove, the coke tank dust collecting cover is hermetically butted with the coke tank groove, and the coke tank dust collecting cover is connected with the dust remover; the water seal cover, the coke guide groove and the moving mechanism are arranged in the coke loading dust collecting cover; and the coke tank dust collecting cover is fixed on the coke tank guide rail frame of the elevator and horizontally moves along with the elevator. The equipment of the invention can effectively solve the problem that smoke escapes outwards in the coke charging process of dry quenching, and is simple in structure, low in investment and good in dust removal effect.