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

1427results about How to "Reduce replacement time" patented technology

Organic waste gas adsorption and desorption concentration catalytic combustion equipment system

The invention discloses an organic waste gas adsorption and desorption concentration catalytic combustion equipment system which comprises a dry-type filtering device. The organic waste gas adsorption and desorption concentration catalytic combustion equipment system is characterized in that a catalytic combustion bed is connected to the lower end of the dry-type filtering device, a flame arrester a is connected to the right end of the catalytic combustion bed, a cold air supplement valve is connected to the lower right end of the flame arrester a, and a temperature adjusting valve is further connected to the lower end of the catalytic combustion bed. According to the organic waste gas adsorption and desorption concentration catalytic combustion equipment system, the replacement interval of activated carbon is greatly prolonged, the replacement time of the activated carbon is shortened, the activated carbon can be effectively used for desorption, regeneration and recycling, organic waste gas after desorption is thoroughly decomposed into CO2 and H2O after catalytic combustion is carried out, no secondary pollution exists, a PLC and a human-computer interface are adopted in the system to control an operation system, the operation is easy to achieve, and the possibility of misoperation is reduced.
Owner:KUNSHAN GONGTONG ENVIRONMENTAL PROTECTION MACHINECO

Converter bottom blowing air brick, special drilling machine and quick thermal replacement method of air brick

ActiveCN102676730AReduce replacement timeGood high temperature strength and thermal shock resistanceManufacturing convertersElectrical and Electronics engineeringCorundum
The invention relates to a converter bottom blowing air brick, a special drilling machine and a quick thermal replacement method of the air brick, which belong to the technical field of converter top and bottom composite blowing equipment and a method and are used for performing quick thermal replacement on the converter bottom blowing air brick. The technical scheme is as follows: the adopted air brick consists of an upper section, a middle section and a lower section. A protecting sleeve brick consists of an upper sleeve brick and a lower sleeve brick. The upper sleeve brick is a magnesia carbon brick, and the lower sleeve brick is made of a corundum-cast material. The protecting sleeve brick is sleeved outside the air brick. A converter bottom flange is welded at a converter bottom opening and is connected with the special drilling machine. The method comprises the following steps of: preparing the air brick, the protecting sleeve brick, the converter flange, a cylinder flange and the drilling machine; disassembling an old air brick; cleaning the cone frustum part of the lower sleeve brick of the protecting sleeve brick; drilling by using the drilling machine; installing the air brick; and connecting a tail pipe. According to the invention, a damaged bottom blowing air brick is replaced in short time under a hot state and the protecting sleeve brick can be replaced for several times without being damaged, so that the combined blowing of a converter in the whole service life can be realized.
Owner:宣化钢铁集团有限责任公司 +2

Pneumatic pump sampling system device of multi-stage monitoring well and method thereof

The invention discloses a pneumatic pump sampling system device of a multi-stage monitoring well. The device is arranged inside a drilled multi-stage underground water monitoring well, wherein the well passes through a plurality of aquifers in depth; every two adjacent aquifers are mutually sealed and isolated; a water inlet window pup joint assembly is arranged on a local section of a well casing at the position of each monitoring layer after the well is formed; the water inlet window pup joint assembly comprises water inlet windows; a water inlet of each water inlet window is communicated with a water inlet pipe joint of a pneumatic pump; air supply outlets and water outlets of the pneumatic pumps are communicated with the earth surface respectively via an air supply pipe and a water outlet pipe; check valves are respectively arranged in water inlet and outlet pipelines of all the pneumatic pumps; at least one group of air supply units is arranged on the earth surface; each air supply unit is composed of an air source and an air adjuster in connection combination, and the outlet of each air adjuster at a working period is instantly connected with an air supply port requiring sampling. Water samples with component representativeness can be conveniently and fast extracted, and the pneumatic pump sampling system device is simple, practical and low in cost.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS

Butt joint circular seam reverse side gas shielding device for barrel fusion welding

Disclosed is a butt joint circular seam reverse side gas shielding device for barrel fusion welding. The butt joint circular seam reverse side gas shielding device for barrel fusion welding is characterized by comprising a welding jig and a gas shielding channel. The welding jig comprises a supporting ring (1), eight adjusting screw rods (2) and eight arc-shaped gas shielding grooves (3), wherein the radian of each arc-shaped gas shielding groove is equal to the inner diameter of a barrel. Air inflation holes (7) are formed in the sides of the gas shielding grooves (3), perforated plates (4) which assist in uniform diffusion of gas are added to the interior of the gas shielding grooves, and sealing grooves (8) are formed in the arc-shaped surfaces, making contact with the inner wall of the barrel, of the two sides of each gas shielding groove (3). The butt joint circular seam reverse side gas shielding device for barrel fusion welding has the advantages that the whole device is flexible in structure, adjustable, and easy and convenient to operate, and adapts to barrel circular seams with different diameters, the effect of gas shielding of a welding seam molten pool and a near weld zone is good, oval deformation of barrel welding can be reduced, the shielding gas is saved, and the time needed by gas replacement in the process of gas ventilation in advance is shortened.
Owner:云南昆船机械制造有限公司

Method for rapidly replacing belt type conveyor rubber belt

The invention relates to a method for rapidly exchanging the rubber belt of a belt-typed transporter. The invention employs the power of an original belt-typed transporter and simultaneously accomplishes the arrangement of a new rubber belt and the reeling of a used rubber belt. The reel supports of the new rubber belt and the used rubber belt are disposed on the same base foundation, any one cutting point is disposed on the used rubber belt of the belt-typed transporter, and then the used rubber belt is connected with a connecting rubber belt and the new rubber belt. Guide supports and guide wheels are arranged among the connecting points of a new rubber belt reel, the new rubber belt and the used rubber belt and also disposed among the connecting points of a used rubber belt reel, the connecting rubber belt and the used rubber belt. Compared with the prior art, the invention has the advantages that reel shafts of the new rubber belt and the used rubber belt are provided with driving pulleys, the new rubber belt is connected with the used rubber belt by driving belts, and then an enclosed transferring system is formed by the new rubber belt and the used rubber belt. No external power is needed to be added, and the rapid and simultaneous arrangement of the new rubber belt and the reeling of the used rubber belt can be realized, thereby the invention can greatly reduce the exchanging period, lower the labor intensity of maintenance personnel and reduce the exchanging cost.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Suspension supporting base multi-station progressive die

The invention relates to a suspension supporting base multi-station progressive die which comprises an upper die assembly, a lower die assembly, an unloading plate, an unloading plate base plate and a mis-feeding detection device. The upper die assembly is sequentially provided with a corresponding male die in the feeding direction, the lower die assembly is sequentially provided with a female die embedding sleeve matched with the male die of the upper die assembly, corresponding positions on the unloading plate and on the unloading plate base plate are provided with a through hole capable of penetrating through the male die of the upper die assembly, the unloading plate is disposed on the unloading plate base plate, and the unloading plate base plate is arranged on the upper die assembly through an unloading spring. By means of the progressive die, suspension supporting bases are produced in a continuous drawing progressive die mode. The mechanism is compact in structure, high in guide precision, stable in unloading and precise in pitch fixing, and feeding and discharging are convenient to achieve. A quick replacement structure is adopted to a punching male die, and maintenance and replacement time of the die is effectively shortened. After being tried, the mechanism is good in use effect and can meet requirements for high efficiency and high precision of stamping production.
Owner:LIUZHOU VOCATIONAL & TECHN COLLEGE

Liquid nitrogen freezing system of high water pressure super-long-distance large-sectional tunnel and method of quickly changing shield tail brushes

Disclosed are a liquid nitrogen freezing system of a high water pressure super-long-distance large-sectional tunnel and a method of quickly changing shield tail brushes. The system comprises a liquid nitrogen storage tank, a main gate valve, a liquid supply pipe, distributors, liquid distributing pipes, freezing pipes, gas colleting pipes, exhaust pipes, a temperature measuring hole and cold discharge pipes. The liquid nitrogen storage tank is connected with the liquid supply pipe provided with the main gate valve. Two branches of the liquid supply pipe are connected with the distributors respectively; each distributor includes 8 to 10 branches, each branch is connected with a group of series freezing pipes through one liquid distributing pipe, each group of last freezing pipes is connected with one gas collecting pipe and is connected with one exhaust pipe through the gas collecting pipe; the exhaust pipes discharge vaporized nitrogen into air; the front ends of the cold discharge pipes are connected with the liquid distributing pipes, and the their tail ends are connected with the gas collecting pipes. The method of quickly changing the shield tail brushes is further provided. The system and the method are suitable for the projects of quickly changing the shield tail brushes for the high water pressure super-long-distance large-sectional tunnels; the system and the method have the advantages such as high forming speed of a frozen wall, high strength, no toxicity or pollution, safety and reliability in use, and convenience in construction.
Owner:NANJING FORESTRY UNIV +1

Multi-station pipe end machining equipment

Multi-station pipe end machining equipment comprises a base and a cutter saddle, and is characterized in that the cutter saddle consists of a fixing plate and a cutter head, the fixing plate is vertically arranged, the cutter head is rotatably connected onto the fixing plate, a plurality of cutters are peripherally mounted on the cutter head, a pipe fitting clamping device is further disposed in front of the cutter saddle and comprises a worktable provided with at least two stations, a mold is arranged on each station and provided with a mold cavity, and a main driving device capable of driving the cutter saddle to linearly move towards or far away from the worktable is further disposed on the framework. Compared with the prior art, the multi-station pipe end machining equipment has the advantages that multiple cutters with different functions can be mounted at one step and can be changed only by rotating the cutter head, the trouble that the cutter needs to be changed for each machining procedure is avoided, cutter replacement time is saved, and machining efficiency is improved; and the worktable with the multiple stations is disposed at the front of the framework, multiple pipe fittings can be synchronously machined, utilization rate of the equipment is increased, and the requirement on integrated machining is met.
Owner:ZHEJIANG MOTORBACS TECH
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