Catalyst and method for decomposing volatile organic matters

The invention provides a catalyst for decomposing volatile organic matters, which comprises a middle hole material and a sliver metal carried by the middle hole material. The invention also provides another method for decomposing the volatile organic matters.

Apparatus and method for decompsing rhodanates

The present invention relates to a method for decomposing sulfofluoride and its equipment. It is characterized by that at the lower reaction temperature said invention adopts a two-step process to decompose sulfofluoride so as to form a high-water-solubility compound, then utilizes a water washing mode to remove sulfofluoride in the waste gas.

Molecule rubbing material, manufacturing method thereof and detection method of phosphorus hydride

The invention provides a molecule rubbing material comprising a rubbing model which is formed by phosphorus-containing rubbing, wherein the rubbing model is prepared by sol-gel inorganic oxide. In addition, the invention also provides a manufacturing method of the molecule rubbing material and a detection method of phosphorus hydride.

Cleaner composition for treating acid gas and purification method therefor

Normal temperature type nucleation growing wet electrostatic precipitator

The invention relates to a normal temperature type nucleation growing wet electrostatic precipitator which is used for purifying exhaust gas to be treated and comprises a nucleation growing cavity, a surfactant aqueous solution and an electrostatic precipitation cavity. The nucleation growing cavity comprises a first chamber, an exhaust gas inlet, a connecting port and a sprayer, wherein the exhaust gas inlet extends outwards from the first chamber, and the sprayer is arranged in the first chamber. The surfactant aqueous solution is sprayed into the first chamber by the sprayer; and the electrostatic precipitation cavity comprises a second chamber and a gas outlet, wherein the second chamber is connected with the connecting port, and the gas outlet extends outwards from the second chamber.

Adjustable auxiliary supporting device for blank surface of workpiece

The invention discloses an adjustable auxiliary supporting device for a blank surface of a workpiece. The device comprises an auxiliary supporting rod and an inserted rod which are arranged vertical to each other, wherein an oblique chute is formed at a corresponding position where one end of the inserted rod is contacted with the auxiliary supporting rod; the movement of the inserted rod in the horizontal direction is converted into the movement of the auxiliary supporting rod in the vertical direction through the effect of the oblique chute; and when the auxiliary supporting rod is vertically moved to a position at which the blank surface of the workpiece is required to be supported, the inserted rod is locked at a certain specific position in the horizontal direction through a self-locking device positioned on the inserted rod. By the adjustable auxiliary supporting device, the functions of quickly, accurately and reliably supporting the workpiece on the blank surface of the workpiece ...

Perfluoro compound catalyst treatment method containing microparticle treatment unit

The invention provides a method for treating gas containing fluorides and silicides. The method comprises: carrying out heat treatment, particulate treatment, catalyst treatment and acidic gas removal of to-be-treated gas in turn, thereby obtaining the effect of removing gas containing fluorides through operation at a relative temperature. The method reduces gas treatment temperature by combiningwith every treatment unit in turn, and can treat gas containing fluorides and silicides and gas containing particulate at the same time; in addition, the method can prolong the service life of a catalyst, reduce system operation cost and increase catalyst application range.

Cleansing agent for chemical absorbing hydrid gas and method for cleansing noxious gas

The invention relates to a cleaning agent for chemical adsorption of hydride gas, specially a cleaning agent with titanium dioxide as carrier. The cleaning agent is made by coprecipitation process and BET specific surface area is no less than 60m#+[2]/g. The cleaning agent can remove harmful hydride component from the semiconductor factory and the photoelectricity factory by chemical adsorption.

Electrothermal oxidizing device

The invention discloses an electrothermal oxidizing device, which comprises a burning part, a dust collecting part, at least one guide plate and at least one heating pipe, wherein the burning part is hollow and is provided with at least one gas inlet, at least one gas outlet, at least one oxygen adding opening and at least one dust collecting opening; the dust collecting part is connected with the burning part through the dust collecting opening; the guide plate is arranged in the burning part; the heating pipe is arranged in the burning part; and the gas inlet, the guide plate, the heating pipe and the gas outlet are properly configured so as to make the gas in the burning part evenly heated by the heating pipe and oxidized.

Clamping tool for installing exhaust pipe sealing ring

The clamping tool comprises a clamping assembly and a guide-in cone, the clamping assembly is in a circular ring shape, the exhaust pipe sealing ring is sleeved with the clamping assembly, the guide-in cone is used for clamping the exhaust pipe sealing ring, and the guide-in cone is installed on one side of the clamping assembly and used for assisting assembly of an exhaust pipe. The guide-in cone comprises two single cones of semicircular structures, the two single cones are installed on the same side of the clamping assembly, the inner walls of the single cones are flush with the inner wall of the clamping assembly, and each single cone is of a narrowing structure with the thickness gradually reduced from inside to outside. When the sealing ring is installed, the protruding part of the sealing ring is compressed, so that the protruding part does not affect assembly of the front exhaust pipe and the rear exhaust pipe, the front exhaust pipe and the rear exhaust pipe which are provided ...

Method and device for manufacturing mounting hole of cylinder sleeve and cylinder body

The invention discloses a method and a device for manufacturing a mounting hole of a cylinder sleeve and a cylinder body. The method comprises the following steps: primarily chamfering the lower end of the mounting hole of the cylinder sleeve; and secondarily chamfering the mounting hole of the cylinder sleeve. The device comprises a first cutter for primarily chamfering the lower end of the mounting hole of the cylinder sleeve and a second cutter for secondarily chamfering the lower end of the mounting hole of the cylinder sleeve. The cylinder body processes the mounting hole of the cylinder sleeve by using the method or the device. The method, the device and the cylinder body of the invention can overcome the defects of poor reliability, short service life and the like in the prior art so as to improve the reliability and prolong the service life.

Reagent and method for detecting melamine

The invention relates to a reagent and a method for detecting melamine. The melamine detecting reagent comprises an organic solvent and a transition metal complex dissolved in the organic solvent. When the melamine detecting reagent is used for detecting the melamine in a sample, the detecting method comprises the steps of firstly mixing the melamine detecting agent with the sample; statically arranging the mixed solution so as to form supernatant and depositions; subsequently collecting the supernatant; observing the color of the supernatant by a visual method; analyzing the supernatant by an ultraviolet-visible spectrometer; and finally determining whether the sample is polluted by melamine according to the analysis results.

Large internal combustion engine cylinder block crankshaft hole boring tool component

The invention discloses a large internal combustion engine cylinder block crankshaft hole boring tool component which comprises a boring rod and boring tools mounted on the boring rod. The boring rod comprises a boring rod body and a boring rod handle connected with the power output shaft of a horizontal machining center. A plurality of machining gear boring tool mounting holes corresponding to to-be-machined gear crankshaft holes of a large internal combustion engine are formed at intervals along the axial direction of the boring rod body. The large internal combustion engine cylinder block crankshaft hole boring tool component is simple and reasonable in structure, continuous cutting and machining of the to-be-machined gear crankshaft holes of the large internal combustion engine is achieved by the machining gear boring tools corresponding to the to-be-machined gear crankshaft holes of the large internal combustion engine and disposed on the lengthened boring rod body, machining efficiency ...

Ammonia sensing material

The invention provides an ammonia sensing material, which comprises a carrier and a dye, wherein the carrier comprises a silicate mesoporous material of which the specific area is more than 700m<2>/g;the dye comprises an ammonia sensing color-change dye which is embedded into the carrier; and when the ammonia sensing material is exposed in an ammonia environment, the ammonia sensing color-changedye changes color. The silicate mesoporous material is modified with a metal to prepare another ammonia sensing material which also can detect ammonia through the color change of the ammonia sensing color-change dye.

Anucleation growing wet-type electrostatic precipitator

The invention discloses an anucleation growing wet-type electrostatic precipitator comprising an anucleation growing cavity, a dedusting cavity, three casting pipe pieces, three discharging electrodes, two insulators and two grounding electrodes; wherein, the dedusting cavity is connected with the anucleation growing cavity, the casting pipe pieces are arranged at the inner side of the dudusting cavity, the discharging electrodes are arranged on the casting pipe pieces, the insulators are paved on the inner wall surface of the dedusting cavity, and the grounding electrodes are arranged at theouter side of the dudusting cavity; thus, the insulators can ensure that cleaning solution can form an even water film on the inner wall of the dudusting cavity so as to wash away micro-particles in waste gas to be treated, so that the anucleation growing cavity can ensure anucleation growth of the micro-particles so as to expand the particle diameters of the micro-particles, thus the micro-particles ...

Method and apparatus for reducing content of ozone in waste-gas

Metal-oxide-supported nanostructure material and a method for detecting phosphorous-containing compound

The invention provides a metal-oxide-supported nanostructure material. The nanostructure material is obtained by the following steps of: mixing a silicon or titanium oxide with a surfactant; polymerizing to obtain a mesoporous silicon oxide or titanium oxide; further mixing with a metal or metal compound; and performing heterogeneous nucleation on the mixture. According to another embodiment, the nanostructure material can also be formed by the following steps of: calcining a silicon- or titanium-containing compound with a carbon template; mixing the obtained product with a metal or a metal compound; and performing secondary calcination. Moreover, the invention also provides a method for detecting a phosphorous-containing compound by using the nanostructure material.

Engine oil filtering device for plastic oil pan of engine

The invention provides an engine oil filtering device of an engine plastic oil pan, which relates to the technical field of filtering and comprises a pan assembly and a filtering assembly. The bottom shell assembly comprises an oil bottom shell and an oil outlet hole, the oil outlet hole is formed in the bottom wall of the oil bottom shell in a penetrating mode, the filtering assembly comprises a filtering cone and at least two elastic hooks, the elastic hooks are fixedly connected with the filtering cone, the upper ends of the elastic hooks are bent to be horizontal, and the oil outlet hole is formed in the bottom wall of the oil bottom shell. All the elastic hooks movably penetrate through the oil outlet hole, and all the elastic hooks are hooked on the inner wall of the oil pan through the horizontal upper ends. The engine sump made of plastic materials can be rapidly installed and fixed through the elastic hook with the horizontal end, engine oil flowing out of the oil outlet hole can ...

Technological method of fine boring large-sized diesel engine cylinder porous series

The invention discloses a process method of a finish machining large-scale diesel engine cylinder body porous system. The process method comprises: machining two or more than two holes inside a porous system on a cylinder body by adopting self guidance of a workpiece; installing a guide sleeve on the two machined holes inside the porous system on the cylinder body as guidance; installing a float boring bar inside the guide sleeve; installing a precision boring unit and a boring cutter on the float boring bar corresponding to a to-be-machined hole; and connecting the float boring bar with a main shaft to carry out precision machining on a large-scale diesel engine cylinder body porous system hole on a horizontal boring and milling machine or a horizontal machining center. The process method makes use of a machined hole of the workpiece for guidance so as to carry out machining on the porous system with large aperture, long distance and higher requirements on size, form and position precision ...

Engine cam shaft lining installation device

The invention discloses an engine cam shaft lining installation device which comprises a hollow press rod, a pull rod and a limit mechanism. A cam shaft lining is sleeved on the hollow press rod to be installed. The pull rod is movably installed in the hollow press rod, a pull spring enabling the pull rod to be reset is arranged between the bottom end of the pull rod and the inner side of the driving end of the hollow press rod, and an eccentric cam used for stretching the pull rod to move forwards is arranged at the stretching end of the hollow press rod. The limit mechanism comprises a circumferential location ball and an axial location assembly. The circumferential location ball is installed on the surface of the hollow press rod and matched with an oil hole of the cam shaft lining. The axial location assembly comprises a conical sleeve and a protrusion stretching in the radial direction. The protrusion is installed in the rod wall of the hollow press rod and corresponds to the end face ...

Scavenging agnet for processing active gas and scavenging method

The invention provides a purifying agent and a purifying method thereof used for treating corrosive gas, wherein, the purifying agent comprises a carrier ingredient containing magnesia oxide and an active ingredient containing Strontium hydroxide; cerium oxide or manganese oxide can be added according to the requirement. The purifying agent of the invention can be used for treating a plurality of corrosive gases and has high adsorption capacity the gases which contain boron and are hard to be treated.

Anucleation growing wet-type electrostatic precipitator

The invention discloses an anucleation growing wet-type electrostatic precipitator comprising an anucleation growing cavity, a dedusting cavity, three casting pipe pieces, three discharging electrodes, two insulators and two grounding electrodes; wherein, the dedusting cavity is connected with the anucleation growing cavity, the casting pipe pieces are arranged at the inner side of the dudusting cavity, the discharging electrodes are arranged on the casting pipe pieces, the insulators are paved on the inner wall surface of the dedusting cavity, and the grounding electrodes are arranged at the outer side of the dudusting cavity; thus, the insulators can ensure that cleaning solution can form an even water film on the inner wall of the dudusting cavity so as to wash away micro-particles in waste gas to be treated, so that the anucleation growing cavity can ensure anucleation growth of the micro-particles so as to expand the particle diameters of the micro-particles, thus the micro-particles ...

Perfluoro compound catalyst treatment method containing microparticle treatment unit

The invention provides a method for treating gas containing fluorides and silicides. The method comprises: carrying out heat treatment, particulate treatment, catalyst treatment and acidic gas removal of to-be-treated gas in turn, thereby obtaining the effect of removing gas containing fluorides through operation at a relative temperature. The method reduces gas treatment temperature by combining with every treatment unit in turn, and can treat gas containing fluorides and silicides and gas containing particulate at the same time; in addition, the method can prolong the service life of a catalyst, reduce system operation cost and increase catalyst application range.

Hydrogen recycling system and power generation system

The invention provides a hydrogen recycling system and a power generation system. The hydrogen recycling system is suitable for recycling hydrogen from exhaust air having hydrogen, ammonia gas, and other gas. The hydrogen recycling system comprises an adhering device, an ammonia gas resolving device and a hydrogen filtering device, wherein the adhering device is used for adhering other gas in the exhaust air; the ammonia gas resolving device is connected to the adhering device for resolving the ammonia gas into nitrogen and hydrogen; the hydrogen filtering device is connected to the ammonia gas resolving device for separating nitrogen and hydrogen. The power generation system is suitable for generating power by means of hydrogen contained in the exhaust air like hydrogen, ammonia gas and other gas. The power generation system comprises fuel batteries, the adhering device and the ammonia gas resolving device, wherein the fuel batteries are connected to the ammonia gas resolving device. The ...