The invention discloses a six-channel air particle sampling device. The sampling device adopts a dividing device to divide collected TSP particles into six parts according to isotropy, six paths of air can be any combination of a straight pipe, PM10 and PM10 cutter to PM2.5 cutter, the obtained particles can be any combination of TSP, PM10 and PM2.5, and the six paths of air can be connected with the air pumping end of a sampling pump by virtue of a flow rate control device after being filtered by a filter membrane and discharged by virtue of the filter. The six-channel air particle sampling device is small in size, light in weight and convenient to move and maintain; by utilizing the characteristic that the sampling flow of a middle-flow cutter is equal to that of a small-flow cutter, the homologous parallel sampling is actually realized, the adopted cutters are the standard cutters, the multi-circuit TSP, PM10 or (and) PM2.5 homologous parallel sampling is realized by utilizing one TSP cutter, and six groups of parallel sampling can be realized at most.

Six-channel air particle sampling device

The invention relates to a high-efficiency catalytic combustion decontamination plant for industrial volatilizable organic pollutants. The decontamination plant comprises a catalyst bed body, an air inlet, an air outlet, an electric heater, a grid plate and a catalyst bed layer, wherein the air inlet is arranged at the upper end of the catalyst bed body, the air outlet is arranged at the lower end of the catalyst bed body, and the electric heater, the grid plate and the catalyst bed layer are arranged in the catalyst bed body in sequence from the top to the bottom. The decontamination plant has the advantages of simple structure, scientific and reasonable design and high safety and reliability; by the adoption of the decontamination plant, the contact time of organic pollutants and catalysts can be increased effectively, the overall temperature evenness of a catalyst bed can be improved; therefore, the high-efficiency catalytic combustion decontamination plant is capable of improving the decontamination rate of the industrial volatilizable organic pollutants.

High-efficiency catalytic combustion decontamination plant for industrial volatilizable organic pollutants

The invention relates to a double-atomization capturing electrostatic paint spray booth which comprises an electrostatic paint spray booth. An electrostatic spray nozzle is mounted in the electrostatic paint spray booth, a main water curtain plate and side water curtain plates are arranged on the inner wall of the electrostatic paint spray booth, a steam-water separation chamber is connected to the back of the main water curtain plate of the electrostatic paint spray booth, a bevel flushing plate is arranged on the lower portion of the main water curtain plate, the electrostatic paint spray booth is communicated with the steam-water separation chamber via a double-atomization paint mist capturing structure which is connected with the lower end of the bevel flushing plate, and a bottom plate flow guide structure is arranged at the bottom of the electrostatic paint spray booth. The double-atomization capturing electrostatic paint spray booth has the advantages that the double-atomization capturing electrostatic paint spray booth is simple in structure, scientific and reasonable in design, low in cost and high in paint mist capturing efficiency, and follow-up environmental protection treatment load can be effectively reduced.

Double-atomization capturing electrostatic paint spray booth

The invention relates to a preheat type catalytic combustion system for purifying volatile organic waste gas. The preheat type catalytic combustion system comprises a waste gas inlet, a dry filter, an active carbon adsorption device, heat exchangers, a catalytic combustion device, an air inlet, an air supplement port, a sampling port, temperature detectors, a fan and exhaust funnels. A gas collecting port is used for collecting the volatile organic waste gas, the volatile organic waste gas is filtered through the dry filter and then enters the active carbon adsorption device, and the standard waste gas is exhausted at a high altitude through the exhaust funnels by means of the exhaust fan after adsorption and purification. After the catalytic combustion system is preheated, volatile organic compounds adsorbed by active carbon are subjected to heating and desorption through hot air and then conveyed to a catalytic combustion chamber to be subjected to low-temperature catalytic oxidation decomposition, and the volatile organic compounds are decomposed into harmless substance such as CO2 and H2O after sufficient combustion and then exhausted at a high altitude. The system has the advantages that sufficient combustion of the volatile organic waste gas can be guaranteed, and concentration exceeding emission in the initial starting period is avoided; the concentration of the organic waste gas entering the catalytic combustion device can be controlled; potential safety hazards caused by excessively-high temperature of the active carbon adsorption device can be prevented.

Preheat type catalytic combustion system for purifying volatile organic waste gas

The invention relates to an activated carbon regeneration system. An output end of nitrogen supply equipment is connected with an input end of a first heat exchanger, an output end of the first heat exchanger is connected with an input end of a heater, the heater is connected with an activated carbon adsorption bed, an output end of the activated carbon adsorption bed is connected with a catalytic combustor through a first fan, the catalytic combustor is further connected with the first heat exchanger, one end of a gas inlet end cover is connected with one end of a connecting tube, the other end of the connecting tube is connected with a gas outlet end cover, a first protective sleeve is arranged on a corrugated hose, first circular bulges are arranged on the inner wall surface of the first protective sleeve at intervals and are in clearance fit into the intervals on the outer surface of the corrugated hose, second circular bulges are arranged on the inner wall surface of the second protective sleeve at intervals and are in clearance fit into the intervals on the inner surface of the corrugated hose. The activated carbon regeneration system has the advantage of facilitating the regeneration treatment to activated carbon randomly.

Activated carbon regeneration system and method

The utility model relates to a high-efficiency energy-saving absorption system for industrial volatile organic pollutants, comprising a filter, a flame arrester, an absorption bed and an absorption main fan which are sequentially connected through pipelines; two surfaces of an activated carbon bed body of the absorption bed which are over against each other are respectively connected with an air inlet flared part and an air outlet choke part; an air distribution board is fixedly arranged on the air inlet flared part; a multi-layer activated carbon division board is arranged in the activated carbon bed body; both side walls of the activated carbon bed body which are over against each other are provided with side walls in hollow structures; the activated carbon division board is in a hollow structure; the activated carbon division board in the hollow structure is communicated with the side walls in the hollow structures; and a hot air inlet and a hot air outlet are respectively arranged on the two side walls in the hollow structures. The high-efficiency energy-saving absorption system for industrial volatile organic pollutants has a simple structure as well as a scientific and reasonable design, and is safe and reliable, so that the consumption of electricity is reduced, the desorption operational cycle is shortened, the operation cost is reduced, and the system is the high-efficiency energy-saving absorption system for industrial volatile organic pollutants, which meets national energy-saving and emission-reducing policies.

High-efficiency energy-saving purification system for industrial volatile organic pollutants

The utility model relates to an energy-saving efficient purification system for industrial volatilizable organic pollutants. (1) a catalytic electric heater, an air distribution plate and a catalytic bed layer are arranged in sequence from top to bottom in the catalytic bed body of a catalytic combustion bed, and the first air outlet of the catalytic combustion bed is connected with the air inlet of a mixed-flow heat exchanger through a pipeline; (2) an active carbon clapboard with a hollow structure of an adsorption bed is communicated with a side wall having a hollow structure, and two side walls with hollow structures are provided with a hot air inlet and a hot air outlet respectively; and (3) the second air outlet of the catalytic combustion bed is connected with the hot air inlet on the side wall with the hollow structure of the adsorption bed through an adsorption bed heating fan. The system has a simple and reasonable structure, and is a safe and reliable energy-saving efficient purification system for industrial volatilizable organic pollutants; and the energy consumption can be lowered effectively, the purification rate is increased, the service life of a catalyst is prolonged, the desorption flow time is shortened, the purification efficiency is improved, and the running cost is reduced.

Energy-saving high-efficiency purification system for industrial volatilizable organic pollutant

The utility model relates to an efficient catalytic combustion purifier for industrial volatilizable organic pollutants, which comprises a catalytic bed body, an air inlet, an air outlet, an electric heater, an air distribution plate and a catalytic bed layer, wherein the upper end of the catalytic bed body is provided with the air inlet, the lower end of the catalytic bed body is provided with the air outlet, and the electric heater, the air distribution plate and the catalytic bed layer are sequentially arranged inside the catalytic bed body The efficient catalytic combustion purifier has the advantages that the structure is simple, the design is scientific and reasonable, safety and reliability are realized, the contact time between organic pollutants and catalysts can be effectively prolonged, the integral temperature uniformity of a catalytic bed is improved, and the efficient catalytic combustion purifier belongs to the efficient catalytic combustion purifier for industrial volatilizable organic pollutants, which is capable of improving the purification rate

Zhao Chongguang

Papers

High-efficiency catalytic combustion decontamination plant for industrial volatilizable organic pollutants

High-efficiency energy-saving purification system for industrial volatile organic pollutants

Double-atomization capturing electrostatic paint spray booth

Energy-saving high-efficiency purification system for industrial volatilizable organic pollutant

Efficient catalytic combustion purifier for industrial volatilizable organic pollutants