Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

43results about How to "Avoid gas explosion" patented technology

Diversion tunnel plug head exhaust structure and exhaust method thereof

The invention discloses a diversion tunnel plug head exhaust structure and an exhaust method thereof; the diversion tunnel plug head exhaust structure comprises a diversion cylinder and a concrete plug head arranged in a blocking segment in the diversion cylinder; the bottom of the concrete plug head is pre-buried with an air discharge pipe and a water discharge pipe; an upstream and a downstream of the concrete plug head in the diversion cylinder are respectively provided with a cofferdam; a grouting gallery and a gate well connected with the grouting gallery are arranged in the concrete plug head; the exhaust method comprises the following steps: 1, paving the air discharge pipe and the water discharge pipe; 2, building the cofferdams; 3, opening a water discharge butterfly valve; 4, casting the concrete plug head; 5, opening an air discharge butterfly valve; 6, observing air discharge pipe water discharge conditions. In certain regions, the diversion tunnel is deeply buried, the top is steep and no drilling construction road can be paved, and vent holes are hard to tap; the diversion tunnel plug head exhaust structure and the exhaust method can be applied to the diversion tunnel plugging construction process, thus fast discharging a cavity in the front segment of the diversion tunnel, preventing gas explosion caused by boosting pressure, and ensuring safety of the plug head structure.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Gas explosion-preventive spiral spray pipe bubbling stirring apparatus

The invention relates to the field of bubbling stirring technology, in particular to a gas explosion-preventive spiral spray pipe bubbling stirring apparatus which comprises a make-up tank, a spiral spray pipe, a gas inlet valve, a gas inlet pipe, a gas outlet valve, a discharge valve, a discharge pipe, a pressure gas inlet feed pipe, a compressed air outlet valve, an air compressor, a pressure tank gas inlet feed valve, a pressure tank, a pressure tank discharge pipe, a spiral spray pipe fixed clamp A, a spiral spray pipe fixed clamp B and a spiral spray pipe fastening device; the spiral spray pipe is arranged at the bottom side part of the make-up tank, the discharge valve is arranged at the taper bottom of the make-up tank, and the spiral spray pipe and the make-up tank are fastened by a fastening nut and a sealing pad; the diameter of the spiral spray pipe is gradually increased after entering the make-up tank, and the spiral spray pipe is spirally downward slanted along with inner arc of the make-up tank; and the make-up tank is internally provided with the spiral spray pipe fixed clamp A13 and the spiral spray pipe fixed clamp B14 which are used for fixing the spiral spray pipes. The gas explosion-preventive spiral spray pipe bubbling stirring apparatus can reduce the gas flow rate through reducing the spiral spray pipe, and can effectively prevent gas explosion phenomenon due to overhigh gas speed, and has the advantages of being long in continuously stirring time, high in efficiency, low in energy consumption, simple in structure, easy to maintain and clean, and low in cost.
Owner:UNIV OF JINAN

Permanent magnet filter stick and method for preparing permanent magnet material thereof

The invention provides a permanent magnet filter stick, comprising an outer sleeve and segmented permanent magnet sticks in the outer sleeve, wherein all segments of permanent magnet stick are separated and connected by common steel tube segments; gaps exist between the outer sleeve and the segmented permanent magnet sticks as well as between the outer sleeve and the common steel tube segments in a radial direction; two ends of the outer sleeve are closed by iron sheets respectively and sealed by seal rings; the segmented permanent magnet sticks are made from NdFeB (neodymium iron boron); the outer sleeve is a stainless steel pipe; the segment number of the permanent magnet sticks is within the range of 4-29; the length and the diameter of the permanent magnet is 20-100mm and 6-30mm respectively; two magnetic poles of each segment of permanent magnet stick are arranged in a radial direction of the permanent magnet stick respectively; the length and the diameter of a common steel tube is 8-10mm and 6-30mm respectively; and the thickness of the iron sheets is 2-3mm. The permanent magnet filter stick is simple in structure, easy to manufacture, simple and easy in application method, wide in use and suitable for large-scale promotion and application.
Owner:WUXI GUANGXU STEEL SHEET +1

Agitated reactor without dead angle

The invention discloses an agitated reactor without a dead angle, and belongs to the technical field of reaction kettles. The agitated reactor without the dead angle comprises a reactor body, a bubble agitator, an air inlet valve, an air inlet pipe, an air compressor, a discharging pipe, a discharging valve and bubble overflowing holes. The agitated reactor without the dead angle is characterized in that the reactor body is a cone-base reactor, the bubble agitator is of an inverted-cone shape, the bubble overflowing holes are formed in the side face of a conical body of the bubble agitator, the bubble agitator is arranged at the bottom of the reactor body, the conical top of the bubble agitator is connected with the air inlet pipe, the air inlet valve is installed on the air inlet pipe, the air inlet valve is connected with the air compressor, the conical side face of the bubble agitator is an inwards-concave cambered surface, the equal-hole-diameter bubble overflowing holes are formed in the conical side face of the bubble agitator, the diameter of each bubble overflowing hole is 2-5mm, and the bubble overflowing holes are evenly distributed along the inwards-concave side face of the conical body. The agitated reactor without the dead angle has the advantages of being simple in structure, convenient to install and maintain and low in power consumption.
Owner:薛应东

Incineration equipment for coking industry

The invention discloses incineration equipment for a coking industry. The incineration equipment comprises a gas inlet pipeline, the gas inlet pipeline is sequentially connected with a fuel gas inletvalve, a fuel gas flow detector and a combustor, the combustor is fixed above a combustion chamber, the lower end of the combustion chamber is provided with a heat storage chamber, the two sides of the combustion chamber are provided with a temperature relief valve, a thermocouple and a pressure intensity detector, the thermocouple and the pressure intensity detector are respectively connected with a temperature alarm and a pressure intensity alarm, a heat accumulator and a residue collecting tank are arranged in the heat storage chamber, the residue collecting tank is provided with an air outlet valve, an exhaust gas inlet valve and a blowing valve, the temperature relief valve and the air outlet valve are connected with a high-temperature mixing tank, the waste gas inlet valve is sequentially connected with a RTO main fan, a waste gas concentration detector and an air access device, the air access device is connected with a waste gas inlet pipeline, and the blowing valve is connectedwith a blower. According to the equipment, the temperature of the incinerating equipment can be controlled, the gas explosion phenomenon caused by VOC in the waste gas can be avoided, and the VOC inthe waste gas can be efficiently removed.
Owner:吴起英

Vertical type incinerator capable of incinerating waste liquids, waste gases and solid waste simultaneously

The invention discloses a vertical type incinerator capable of incinerating waste liquids, waste gases and solid waste simultaneously. The vertical type incinerator comprises a connecting pipe, fire-observing windows, a first combustion mechanism, a second combustion mechanism, a feeding mechanism and discharging mechanisms. The first combustion mechanism comprises a second incinerator body. According to the vertical type incinerator capable of incinerating the waste liquids, waste gases and solid waste simultaneously, the discharging mechanisms are arranged on bottom positions of a first incinerator body and the second incinerator body, ash discharging is conducted by adopting a scraper slag discharging machine at the bottom, the operation is convenient, and trouble and hard work of manual labor are reduced; besides, burning ports are formed in the bottoms of the first incinerator body and the second incinerator body, solid waste can be incinerated while the waste liquids and waste gases are incinerated, and incineration diversity of the incinerator device is increased; through peculiar oxygen-supplementing wind ports, the solid waste is blown away and soars, the contact area of the solid waste and flames is increased, it is guaranteed that the solid waste combusts fully, and it is avoided that gas explosion occurs after certain concentration is reached by accumulated organicgases because of incomplete combustion of solid waste at the bottom; and the incinerator has the advantages of high-efficiency incineration and complete incineration.
Owner:宜兴市华瑞焚烧炉科技发展有限公司

Diversion tunnel body gate wellbore temporarily sealing and blocking method and device

The invention discloses a diversion tunnel body gate wellbore temporarily sealing and blocking method and device, which comprises a sealing and blocking steel plate arranged on a diversion tunnel gatewell wellbore, the outer end of the sealing and blocking steel plate is connected with diversion tunnel gate well wellbore concrete in a diversion tunnel sealing and blocking gate locking platform byanchor bolts, and rubber sealing is arranged at the joint; an air exhaust steel pipe is arranged in the upward direction of the sealing and blocking steel plate and extends to a lock chamber sectionconstruction branch tunnel, and a check valve is arranged in the position where the top of the air exhaust pipe reaches the lock chamber section construction branch tunnel. According to thediversiontunnel body gate wellbore temporarily sealing and blocking method and device,by sealing and blocking the tunnel body gate well wellbore andinterceptingapressure diversion tunnel gate well wellbore air inlet passage, leakage of the diversion tunnel is increased;the sealing and blocking wellbore prevents the high water head water from flowing through the wellbore to other downstream caverns;under theaction of the diversion tunnel high water head, the sealing and blocking device of the diversion tunnel body gate wellbore temporarily sealing and blocking method and device can be automatically vented to prevent the air of the lock chamber section from generating a gas explosion under high pressure; and at the same time, the air can be depressurized through the check valve, and the pressure on the outside and the inside of the steel plate is identical after the water is passed.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Gas explosion-preventive spiral spray pipe bubbling stirring apparatus

The invention relates to the field of bubbling stirring technology, in particular to a gas explosion-preventive spiral spray pipe bubbling stirring apparatus which comprises a make-up tank, a spiral spray pipe, a gas inlet valve, a gas inlet pipe, a gas outlet valve, a discharge valve, a discharge pipe, a pressure gas inlet feed pipe, a compressed air outlet valve, an air compressor, a pressure tank gas inlet feed valve, a pressure tank, a pressure tank discharge pipe, a spiral spray pipe fixed clamp A, a spiral spray pipe fixed clamp B and a spiral spray pipe fastening device; the spiral spray pipe is arranged at the bottom side part of the make-up tank, the discharge valve is arranged at the taper bottom of the make-up tank, and the spiral spray pipe and the make-up tank are fastened by a fastening nut and a sealing pad; the diameter of the spiral spray pipe is gradually increased after entering the make-up tank, and the spiral spray pipe is spirally downward slanted along with inner arc of the make-up tank; and the make-up tank is internally provided with the spiral spray pipe fixed clamp A13 and the spiral spray pipe fixed clamp B14 which are used for fixing the spiral spray pipes. The gas explosion-preventive spiral spray pipe bubbling stirring apparatus can reduce the gas flow rate through reducing the spiral spray pipe, and can effectively prevent gas explosion phenomenon due to overhigh gas speed, and has the advantages of being long in continuously stirring time, high in efficiency, low in energy consumption, simple in structure, easy to maintain and clean, and low in cost.
Owner:UNIV OF JINAN

Heat-recycle L-shaped heat tube of horizontal finned tube externally connected with vehicle finned tube

The invention discloses a heat-recycle L-shaped heat tube of a horizontal finned tube externally connected with a vehicle finned tube. The L-shaped heat tube comprises an evaporation-segment heat tubebody, a balance-segment heat tube body and a cooling-segment heat tube body; the evaporation-segment heat tube body is horizontally distributed in a furnace body with a heat medium, the cooling-segment heat tube body is distributed outside the furnace body with a cold medium, and the balance-segment heat tube body is a bent tube between the evaporation-segment heat tube body and the cooling-segment heat tube body; a working medium which volatilizes when heated and condenses into liquid after cooled is arranged in the evaporation-segment heat tube body; the inner tube diameter of the evaporation-segment heat tube body is larger than that of the cooling-segment heat tube body; the balance-segment heat tube body is connected with the evaporation-segment heat tube body through a large connection and a small connector in a tube top butt joint mode. The heat-recycle L-shaped heat tube is compact in structure, the functions of horizontal tube distribution and heat exchange are achieved, thedistribution space is saved, and heat exchange is frequent and smooth.
Owner:合肥宽信机电有限公司

A kind of diversion hole plugging head exhaust structure and exhaust method

The invention discloses a diversion tunnel plug head exhaust structure and an exhaust method thereof; the diversion tunnel plug head exhaust structure comprises a diversion cylinder and a concrete plug head arranged in a blocking segment in the diversion cylinder; the bottom of the concrete plug head is pre-buried with an air discharge pipe and a water discharge pipe; an upstream and a downstream of the concrete plug head in the diversion cylinder are respectively provided with a cofferdam; a grouting gallery and a gate well connected with the grouting gallery are arranged in the concrete plug head; the exhaust method comprises the following steps: 1, paving the air discharge pipe and the water discharge pipe; 2, building the cofferdams; 3, opening a water discharge butterfly valve; 4, casting the concrete plug head; 5, opening an air discharge butterfly valve; 6, observing air discharge pipe water discharge conditions. In certain regions, the diversion tunnel is deeply buried, the top is steep and no drilling construction road can be paved, and vent holes are hard to tap; the diversion tunnel plug head exhaust structure and the exhaust method can be applied to the diversion tunnel plugging construction process, thus fast discharging a cavity in the front segment of the diversion tunnel, preventing gas explosion caused by boosting pressure, and ensuring safety of the plug head structure.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products