13 results about "Mixed dust" patented technology

The utility model discloses a mixed dust removal treatment system which comprises a local workshop treatment system, a local fixed suction hood treatment system, a local movable suction hood treatment system and a secondary dust removal system, and the secondary dust removal system comprises an air return pipeline, a dust remover D, an air supply fan and an air supply pipeline. One end of the air return pipeline is an air return port located in the plant, the other end of the air return pipeline is communicated with the air inlet end of the dust remover, an electric valve D is arranged at the air return port, the exhaust end of the dust remover is communicated with the air inlet end of the air supply fan, and the exhaust end of the air supply fan is communicated with one end of the air supply pipeline. And the other end of the air supply pipeline is branched into an air supply branch pipe and an air exhaust branch pipe towards the inside and the outside of the plant respectively. By the adoption of the mixed dust removal treatment system, a reasonable treatment mode can be selected according to needs, and the problems that during dust removal treatment of a plant space, local captured smoke overflows, and overall treatment investment and energy consumption are high are solved.

The utility model relates to the technical field of exhaust device, and disclose a kind of exhaust device for agricultural machinery triangular belt oven. Including oven, the oven top surface is equipped with exhaust port, the exhaust port below is provided with air door, the oven is detachably installed with first air pipe by first bolt, the other end of the first air pipe is detachably installed with filter screen by second bolt, the other side of the filter screen is detachably installed with second air pipe, the side of the second air pipe away from filter screen is fixedly connected with centrifugal fan, the end of the centrifugal fan is provided with air outlet, by setting first bolt and second bolt, so that air pipe can be disassembled at any time to clean and maintain, by setting filter screen with a plurality of filter holes, the mixed dust and particulate matter in exhaust gas are prevented from entering fan, causing fan wear, prolonging the service life of the equipment, ensuring production efficiency and stability.

The application relates to the field of safety equipment for producing pyrotechnics, and discloses an intrinsic safety type sweeping equipment suitable for a high-risk scene of producing pyrotechnics, which comprises an intrinsic safety type structure assembly, a gas-liquid mixed dust catching assembly, a multi-stage separation and filtering assembly and a circulating water purification assembly which are integrally arranged with the intrinsic safety type structure assembly, and is further provided with a real-time risk monitoring system, an explosion-proof device and a telescopic flexible dust collecting device. The gas-liquid mixed dust catching assembly realizes frictionless dust catching, the multi-stage separation and filtering assembly realizes gas-liquid separation, the circulating water purification assembly realizes closed-loop water circulation, the monitoring system realizes real-time parameter acquisition and threshold value early warning, the explosion-proof device realizes linkage cooling and explosion suppression, and the flexible dust collecting device is extended to a high place and a complex area for cleaning. The application realizes intrinsic safety of the equipment, realizes automatic cleaning of energetic powders, greatly reduces the labor intensity, realizes omnibearing and dead angle-free cleaning of a production area, and is completely suitable for the high-risk scene of producing pyrotechnics.

The utility model relates to gas recovery technical field discloses a kind of coal mine gas extraction gas purification and recovery equipment, including high-pressure delivery pump, suction pipe, gas pipe, purification tank, mixing mechanism, drying shell, separation tank, gas storage tank, support plate and zeolite molecular sieve membrane, suction end of high-pressure delivery pump is connected with suction pipe, the gas outlet end of high-pressure delivery pump is connected with gas pipe, gas pipe is inserted to the inside bottom end of purification tank, the left side of drying shell is equipped with the first conduit connected with purification tank, the right side of drying shell is equipped with the second conduit connected with separation tank, separation tank is fixed with support plate, the front side of support plate is fixed with zeolite molecular sieve membrane, the left side of gas storage tank is equipped with the air inlet pipe connected with separation tank, second valve is installed on air inlet pipe.The utility model is convenient to gas extraction storage, and can remove mixed dust, sulfur dioxide, carbon dioxide, nitrogen dioxide and other impurities in gas, so that gas purity is higher.

The invention provides a triggering type protein foam dust fixing method and equipment for coal mine heading face dust. The equipment comprises a liquid storage tank, a conveying pump and an atomizing nozzle, and an aqueous solution containing amphiphilic protein molecules is prepared; filling the aqueous solution into a liquid storage tank; a conveying pump is started to pump the aqueous solution into an atomizing nozzle, then the aqueous solution is sprayed into a generating chamber to form liquid drops, and dust-containing airflow enters the generating chamber from an air inlet; the dust and the liquid drops enter the mixing area to be mixed, the dust makes contact with the liquid drops, conformational change occurs, and amphiphilic protein molecules spontaneously migrate to a gas-liquid interface of the liquid drops; and the dust and the liquid drops enter a forming cavity, a plurality of amphiphilic protein molecules form a bubble structure to wrap the dust, and finally the protein-based aerogel foam for permanently fixing the dust is generated. According to the invention, liquid drops of an aqueous solution can be foamed only after being in contact with dust, the stability is good, the generated foam is good in durability, in-situ permanent fixed sealing of the dust is realized, and secondary dissipation of the dust is effectively prevented.

The utility model relates to the technical field of calcium carbide furnace paste adding equipment, in particular to an automatic calcium carbide furnace paste adding device which comprises a frame body, a conveying belt is arranged in the frame body, a motor is arranged on the left side of the frame body, and a hopper is arranged on the right side of the frame body and above the conveying starting end of the conveying belt. Multiple partition plates distributed at equal intervals are arranged on the conveying end face of the conveying belt. A plurality of supporting legs are arranged on the two sides of the frame body, the supporting legs located on the same side of the frame body are connected with horizontally-arranged supporting rods, a collecting frame is arranged on the supporting rods on the two sides of the frame body in a sliding mode, a material guiding plate which is obliquely arranged downwards from left to right is arranged at the lower end of the left side of the frame body, and the lower end of the material guiding plate faces the collecting frame. And the right end of the material guide plate is arranged above the collecting frame, so that the problem that the falling electrode paste is mixed with dust on the ground and is difficult to recycle due to the lack of a corresponding collecting device because the electrode paste is extremely easy to fall off due to the gravity of the electrode paste in the conveying process along with the conveying belt at the lower end is solved.

The invention discloses a workpiece preparation method, relates to the technical field of composite materials, and is used for solving the technical problems that waste chips generated during negative pressure adsorption or brush cleaning in the workpiece preparation process are easily wound on the inner wall of a suction pipe, and a large amount of residual waste chips exist. The method comprises the following steps: step 1, injecting a resin glue solution into a mold in which a fiber prefabricated part is preset, and curing to form a composite material part blank; 2, precisely cutting the composite material blank to form a composite material workpiece; and 3, collecting and separating mixed dust containing the resin and the fiber scraps by the cleaning equipment. According to the waste chip separating device, waste chips can be separated, and few waste chips are left.

The utility model belongs to the field of cloth bag dust removal, and particularly relates to a cement fly ash double-storage tank integrated with cloth bag dust removal, which comprises a box body, a plurality of cloth bag barrels are arranged in the box body in a rectangular array mode and are communicated with one another, an air inlet pipe is arranged on the side face of the box body and penetrates through the interior to be communicated with the cloth bag barrels, an air outlet pipe is arranged on the other side face of the box body, a fan is arranged on the surface of the box body, and the output end of the fan is connected with a guide pipe; one side of the transverse pipe is connected with a plurality of connecting pipes at equal intervals in a penetrating manner, and the connecting pipes penetrate through the interior of the box body and are communicated with the cloth bag cylinders; and through collaborative design of a vibration box and a filter screen of the separation assembly, the efficient separation function of cement powder and coal ash is achieved. The vibrating motor drives the inclined vibrating box to vibrate, coal ash is retained on the surface of the vibrating box and discharged through the guide groove in combination with the aperture difference of the filter screen, cement powder penetrates through the filter screen and falls into the bottom of the auxiliary box, the problem that mixed dust of traditional dust removal equipment cannot be classified is solved, and the separation efficiency is improved.

The invention discloses an energetic material production route and production process based on a gas-liquid dual-circulation system, and belongs to the technical field of energetic material production. The production system is used for forming and processing energetic materials, and the carrier gas conveying system provides carrier gas power for the production system; solvent-rich mixed gas discharged by the production system is subjected to graded dust removal through the dry-wet mixed dust removal system, large-particle dust and part of solvent steam are removed through wet condensation dust removal, fine dust is further filtered through the dry filter dust remover, output solvent carrier gas enters the solvent recovery system to be subjected to condensation and adsorption treatment, and the solvent-rich mixed gas is discharged through the dry-wet mixed dust removal system. The efficient recovery of the solvent is realized. The recovered regenerated carrier gas is re-introduced into the carrier gas conveying system to form single-input and multi-cycle closed flow, and through gas-liquid double-cycle cooperative operation, the synchronous recovery and cyclic utilization of the carrier gas and the solvent are realized, the energy consumption and the material loss are obviously reduced, and the benefits of the energetic material production process are improved.

The present invention relates to the technical field of reduced iron powder processing, and specifically to a dust removal structure for magnetic separation treatment of reduced iron powder, including: a dust removal box, a second guiding plate is fixedly connected inside the dust removal box, and a sealing extension mechanism and a filtering mechanism are arranged on one side of the dust removal box. Through the setting of the screening magnetic separation mechanism, the linkage effect of the first transmission belt and the second transmission belt drives the magnetic rollers on the five third rotating shafts to rotate synchronously. The multiple groups of magnetic rollers cooperate with the screening plate to achieve multi-level magnetic separation of iron powder, and can accurately adsorb the magnetic iron powder in the mixed dust. The connecting rod fixed by the fixed shaft drives the scraper to closely adhere to the surface of the magnetic roller, and can clean the iron powder adsorbed by the magnetic roller in real time, avoiding the accumulation of iron powder from affecting the magnetic separation effect. The cleaned iron powder is centrally recovered through the iron powder blanking plate, and the separated dust is discharged through the second guiding plate to the dust discharge plate, realizing the efficient diversion of iron powder and dust.

An environment-friendly cleaning device for metal dust belongs to the technical field of dust recovery and comprises an equipment shell, a main cleaning unit and an auxiliary cleaning unit, the main cleaning unit is mounted at the bottom of the front end of the equipment shell, the auxiliary cleaning unit is arranged at the front end of the equipment shell, and a metal settling chamber, a sand chamber and an air chamber are sequentially arranged in the equipment shell along a dust flowing path. An impurity collecting chamber is arranged in the equipment shell, the impurity collecting chamber is arranged below the sand chamber, an inlet of the impurity collecting chamber corresponds to the two sides of the sand chamber, and the input end of the metal settling chamber communicates with a feeding port; two groups of separation filter plates are arranged at the top of the sand chamber, the first ends of the two groups of separation filter plates are rotationally connected through a hinge shaft and are provided with lifting lines, the lifting lines penetrate through the top of the equipment shell, and the second ends of the separation filter plates are slidably arranged on the inner side wall of the sand chamber through line holes. Dust in gaps is cleaned, and cleaning dead angles are reduced.