32 results about "Pressure relief equipment" patented technology

The invention discloses full-hydraulic drill type pressure relieving equipment with double drill bits and a pressure relieving method. The full-hydraulic drill type pressure reliving equipment and the pressure relieving method are applicable to tunneling operation on mine roadways with outstanding pressures or coal seam stress concentration. The full-hydraulic drill type pressure reliving equipment comprises a drilling tool assembly, an embracing claw assembly, an obliquity adjusting assembly, a main unit, a cooling assembly, anchor rod assemblies and a hydraulic assembly. The full-hydraulic drill type pressure relieving equipment and the pressure relieving method have the advantages that supporting and fixing effects can be realized by anchor rods, drilling and production angles can be adjusted by the obliquity adjusting assembly, and drilling pipes can be changed over, so that pressure relieving holes can be drilled and can collapse after drilling tools are withdrawn, and coal seam stress can be relieved; the holes can be stably formed and are high in drilled depths, pressures of coal can be sufficiently relieved, and high power phenomena such as large coal blasting during wall caving and coal breaking of the roadways can be eliminated; the contour lines of the roadways and coal and rock outside the roadways are complete and stable after the pressures are relieved, accordingly, the roadway construction cost and the dangerous level can be lowered, and the roadway tunneling efficiency can be improved; the full-hydraulic drill type pressure relieving equipment is hydraulically controlled, and accordingly the labor intensity can be relieved for workers; tunneling equipment such as tunneling machines can conveniently enter the roadways to work in the roadways owing to a narrow body of the full-hydraulic drill type pressure relieving equipment, and the flexibility of drilling machines can be improved by crawler travel units.

The invention discloses a pressure relief valve with a rapid cover opening function, and belongs to the technical field of automatic pressure relief equipment. The pressure relief valve with the rapidcover opening function comprises a valve base, a valve cover, electromagnets, a pressure sensor and a PLC; one end of the valve cover realizes opening and closing connection with the valve base through an opening and closing mechanism; a pair of lock catches is arranged at the other end, corresponding to the opening and closing mechanism, of the valve cover; the lock catches are provided with iron cores in the middles of the front ends of the lock catches; the electromagnets are arranged on the valve base and correspond to the iron cores; the PLC controls the electromagnets to be powered on or off according to pressure data detected by a pressure sensor; the electromagnets attract the iron cores when being powered on, so that the valve cover is tightly fastened to the valve base; and theelectromagnets lose magnetism when being powered off, and at this time the valve cover is opened by pressure in a pressure relief channel. The pressure relief valve has the advantages that air leakageand pressure relief can be realized by quickly opening the cover, so that explosion caused by too high air pressure in a cabin is avoided and the safety is improved; and the pressure relief valve canbe reused after the completion of pressure relief work, so that the waste of resources and articles is reduced greatly.

The invention discloses a sludge waste gas comprehensive treatment system and an operation method thereof. The system comprises a monitoring host, the monitoring host is in bidirectional connection with the control host, the sludge treatment system layer and the waste gas treatment system layer, the sludge treatment system layer and the waste gas treatment system layer are communicated with the recovery system layer through a conveying device, the sludge treatment system layer is communicated with the waste gas treatment system layer through a waste gas connecting pipeline, and the sludge treatment system layer sequentially comprises a sludge drying pool, sludge crushing equipment and sludge incineration equipment. According to the sludge waste gas comprehensive treatment system and the operation method thereof, waste gas in the sludge treatment process is collected through the waste gas storage equipment, and meanwhile, the waste gas storage equipment can monitor the waste gas, the safety problem is prevented, and the pressure relief equipment can prevent the problem of safety accidents caused by excessive pressure of the waste gas.

The invention discloses an impact ground pressure intelligent prevention and control system and a control method. The impact ground pressure intelligent prevention and control system comprises a shockwave detector, an impact ground pressure prevention and control controller and pressure relief equipment, wherein the shock wave detector is arranged in a detection region of a mine and is used for performing shock wave detection in the detection region according to a shock wave detection instrument sent by the impact ground pressure prevention and control controller; the impact ground pressure prevention and control controller is connected with the shock wave detector through a relay station and is used for controlling the pressure relief equipment to work according to shock wave data received from the shock wave detector; the pressure relief equipment is connected with the impact ground pressure prevention and control controller through the relay station and is used for performing pressure relief operation in the detection region. The shock wave detector and the pressure relief equipment automatically complete the shock wave detection work and the pressure relief work; the artificial participation is not needed; the casualties in the impact ground pressure prevention and control work are fundamentally avoided; the influence of human factors on the prevention and control work iseliminated; the prevention and control efficiency is improved.

The invention relates to the technical field of VR (Virtual Reality) fitness, in particular to VR technology oriented multi-mode experience fitness equipment. The equipment comprises an experience table, a jogging area, a massage area and a riding area are arranged in the experience table, movable supporting pipes are installed on the two sides of the experience table respectively, jogging equipment is installed in the jogging area, hidden massage equipment is installed in the massage area, riding equipment is installed in the riding area, and foldable pressure relief equipment is installed atthe tops of the supporting pipes. According to the invention, a user wearing a VR eyeshade does jogging exercise on the jogging equipment or does riding exercise on the riding equipment or beats thepressure relief equipment to relieve pressure, the user is in a virtual environment in the process, and by using all the equipment on the experience table, the user can feel the integration of the virtual and real worlds, the interestingness of exercise is improved, the exercise time is prolonged, and the exercise is promoted to achieve a good effect.

The invention discloses a pressure tank, and relates to the technical field of high-pressure storage equipment. The pressure tank comprises a pressure tank body and pressurizing/depressurizing equipment, the pressure tank body comprises a tank body, an inner barrel body and a cover body, one end of the tank body and one end of the inner barrel body are opened, the tank body arranged outside the inner barrel body in a sleeving mode, and the openings of the tank body and the inner barrel body are arranged in the same direction. The cover body is detachably connected to the tank body and can sealthe inner barrel body and the tank body, and the pressurizing/depressurizing end of the pressurizing/depressurizing equipment can pressurize or depressurize the interior of the inner barrel body and/or the tank body. A liquid inlet and a liquid outlet are further formed in the pressure tank body, the inner barrel body is made of a corrosion-resistant material, and the tank body is made of a high-pressure-resistant material. According to the pressure tank, the cleanliness of chemicals stored in the pressure tank can be improved, and the service life of the pressure tank can be prolonged.

The invention belongs to the technical field of workshop pressure relief, and particularly relates to a pressure relief device for an explosion-proof workshop. The pressure relief device comprises a plurality of groups of pressure relief modules mounted on a roof. According to the pressure relief device, four designed water leakage-proof shells wrap the positions where four triangular baffles arein contact with one another in a matched mode, in rainy days, due to aging of sealing strips, rainwater which can enter through the positions where the four triangular baffles are in contact with oneanother in the matched mode can flow into mounting blocks on the lower side through the four water leakage-proof shells, and flows into the roof from drainage holes in the mounting blocks to be drained, so that the rainwater is prevented from flowing into the workshop from the positions where the four triangular baffles are in contact with one another in the matched mode, and the pressure relief roof has a rainproof function. Each pressure relief unit is provided with a swing sensing structure, the windward direction can be flexibly and freely adjusted according to the wind direction, and windvibration is reduced.

The invention relates to the technical field of direct current switch cabinets, and discloses a direct current switch cabinet used for rail traffic. The direct current switch cabinet comprises a direct current switch cabinet body. The direct current switch cabinet solves the problem that most pressure relief equipment are arranged on the front face of the switch cabinet to cause the injury of personnel when pressure is relived, the left wall of a hollow cylinder is connected to a first placing box, a second placing box and a third placing box, a ventilation effect is achieved, elongated equipment placing grooves are formed in the left walls of the first placing box, the second placing box and the third placing box in a connecting manner transparently, secondly, a closing plate is connectedonto the left wall of the hollow cylinder, ventilation holes are formed in the outer wall of the closing plate for discharging gas, air pressure is relieved through a hollow block connected with thepressure relief equipment connected to the top of the hollow cylinder, and a ventilation pipe connected to the bottom of the hollow block is used for discharging air pressure.

The invention provides intelligent pressure relief equipment for a box-type substation, and relates to the technical field of box-type substations. The intelligent pressure relief equipment for the box-type substation comprises a conventional pressure relief assembly, a pressure relief pipe is arranged in the conventional pressure relief assembly, a fixing rod is welded to the top of the interior of the pressure relief pipe, and the outer wall of the fixing rod is slidably connected with a dust blocking plate. And when the air pressure in the box body is continuously increased, the heat dissipation net can deflect rightwards in the heat dissipation window, so that the effect of automatically releasing the pressure to avoid the explosion accident of the transformer substation when the air pressure in the box-type transformer substation is too high is achieved. And when the air pressure in the box body gradually recovers, a time delay effect can be achieved when hydraulic oil in the second hydraulic groove enters the first hydraulic groove, so that the heat dissipation net is slowly reset to the interior of the heat dissipation window, and the situation that high pressure occurs in the box-type substation again due to the fact that the pressure relief channel is rapidly closed during high-pressure pressure relief is avoided.

The invention discloses a lateral top cutting and pressure relief equipment and a top cutting and pressure relief method for a coal pillar dam body of an underground reservoir, and belongs to the technical field of underground mining of coal mines. The equipment comprises an upper plate, a bracket bottom plate, a supporting unit, a cutting unit, a cutting movement unit and a pushing unit, whereinthe supporting unit is used for supporting the upper plate to move up and down; the cutting unit is arranged between the upper plate and the bracket bottom plate, a main body upper plate is provided with a cutting receding opening, and the working end of the cutting unit penetrates through the cutting receding opening and extends out of the upper surface of the main body upper plate; the cutting movement unit drives the cutting unit to move and work; and the pushing unit drives the lateral top cutting and pressure relief equipment for the coal pillar dam body of the underground reservoir to move. According to the equipment, on the one hand, stable placement can be ensured during the top cutting and pressure relief operation, on the other hand, the disturbed hanging exposed roof covering rock can be effectively supported in the cutting process through the supporting upper plate, and a good construction environment is provided; and then, the cutting unit can smoothly and orderly cut thehanging exposed roof covering rock, and the equipment moves automatically after the top cutting and pressure relief is finished, so that the roof cutting and pressure relief operation of a lateral hanging exposed roof is ensured to be performed in time.

The invention belongs to the technical field of workshop pressure relief, and particularly relates to a pressure relief device for an explosion-proof workshop. The pressure relief device comprises a plurality of sets of pressure relief modules installed on a roof. A pressure relief unit designed by the invention is composed of four triangular baffles as main components, when an explosion occurs inthe workshop, the four triangular baffles can be quickly impacted and opened to the outer side, compared with the traditional situation that a pressure value in the workshop needs to meet the pressure when an explosion relief bolt falls off, and then a window sash can be automatically opened to discharge the pressure outwards, the pressure required for opening the four triangular baffles designedby the invention is relatively small, and the damage to the workshop caused by the pressure change before pressure relief in the workshop is reduced to a certain extent.

The invention belongs to the technical field of nuclear reactor vapor generator pressure relief protection, and particularly relates to a rupture disk protection device. The rupture disk protection device is used for pressure relief protection when sodium-water reaction occurs in a vapor generator in a sodium-cooled fast reactor. The rupture disk protection device comprises a connection pipe whichis arranged in a cavity formed by connecting a top cover with a shell in a sealing mode; a connection pipe inlet formed in the bottom end of the connection pipe is connected to a base at the bottom end of the shell and used for communicating with the vapor generator and serves as a relief channel for pressure of gas in the vapor generator during sodium-water reaction; the top end of the connection pipe is sealed through a changeable rupture disk; the shell is further provided with a pressure relief outlet for communicating pressure relief equipment, the rupture disk can rupture when the pressure of inner gas reaches the set value, and thus, the gas enters the cavity through the connection pipe and then enters the pressure relief equipment through the pressure relief outlet. The rupture disk protection device can conduct fast pressure relief, prevent accidents from spreading, and is low in maintaining cost and easy to maintain and replace.

The invention relates to the technical field of VR (Virtual Reality) fitness, in particular to a VR technology oriented multi-mode fitness exercise method, which comprises a jogging stage in a joggingarea, a massaging stage in a massaging area, a riding stage in a riding area and a step of beating a sandbag in front of supporting pipes to relieve pressure. According to the invention, a user wearing a VR eyeshade does jogging exercise on jogging equipment or does riding exercise on riding equipment or beats pressure relief equipment to relieve pressure, the user is in a virtual environment inthe process, and by using all the equipment on an experience table, the user can feel the integration of the virtual and real worlds, the interestingness of exercise is improved, the exercise time isprolonged, and the exercise is promoted to achieve a good effect.

The invention discloses opposite-direction pressure relief equipment which comprises two pressure relief devices. The upper end of an outer barrel body is closed, and the lower end of the outer barrel body is open. The upper end of an inner barrel body is open, and the lower end of the inner barrel body is closed. A damping body is arranged at the upper end of the inner barrel body and provided with a damping hole and a thin and weak ring groove. A floating piston is arranged in the inner barrel body. A piston is arranged in a pressure storage cylinder. A piston rod penetrates through the top end of the pressure storage cylinder to be connected with the piston. The pressure storage cylinder is arranged in the inner barrel body and connected with the bottom end of the inner barrel body. The piston rod is connected with the floating piston. The two ends of a communicating pipe communicate with a rod cavity and a rodless cavity of the pressure storage cylinder correspondingly. A damping block is fixed in the communicating pipe and provided with small damping holes. The inner barrel body is arranged in the outer barrel body in a sliding mode. The opposite-direction pressure relief equipment is composed of the two pressure relief devices, so that the stroke is greatly increased, and the problems that an existing pressure relief device is short in stroke and cannot provide enough vibration attenuation performance are solved.