Foam trapping dust remover
Technical Field
The utility model relates to the field of dust collectors, in particular to a foam trapping dust collector.
Background
With the increasing of atmospheric pollution, the environment-friendly form is increasingly severe, and the national and various provincial regions are sequentially subjected to stricter waste gas emission standards, so that the pollutant content in the discharged waste gas is gradually reduced, and more efficient pollution treatment equipment is required. Among them, wet dust removal and ultra-low emission are one field with difficulty.
The ultra-low emission of wet dedusting has the problems of liquid carrying and back mixing of exhaust, and the like, salt and particulate matters in liquid drops lead to high exhaust indexes, and the wet dedusting device can only be matched with complex dedusting equipment such as wet electricity, has higher operation cost, is difficult to meet the requirement of realizing ultra-low emission of dedusting only by wet dedusting at present, and the existing deduster can only singly filter gas in the operation process, cannot improve the dedusting efficiency, and simultaneously cannot automatically perform gas homogenizing effect on the gas needing dedusting, so that the gas cannot be effectively dedusted.
Disclosure of utility model
The utility model aims to provide a foam trapping dust remover which solves the technical problems of how to efficiently remove dust from gas needing to be removed and how to automatically homogenize the gas needing to be removed so that the dust remover can uniformly remove the gas.
The foam trapping dust remover comprises a foam trapping dust removing component, a gas-liquid separator, a protective cover and a circulating water tank, wherein the gas-liquid separator is fixedly arranged at the top of the protective cover, the circulating water tank is fixedly arranged at the bottom of the protective cover, and the foam trapping dust removing component is fixedly arranged in the protective cover;
The foam trapping dust removing component comprises an air homogenizing chamber, an overflow groove, a water collecting tank and an air inlet pipeline, wherein the water collecting tank is symmetrically arranged on two sides of the overflow groove, the air inlet pipeline is fixedly connected to the top of the air homogenizing chamber, the bottom of the air homogenizing chamber is arranged on the upper surface of the middle of the water collecting tank, a baffle plate is uniformly arranged in one end of the air inlet pipeline, a rotary drum is rotatably clamped at the other end of the air inlet pipeline, a rotary table is fixedly arranged on the outer surface of one end of the rotary drum, and a connecting arm is rotatably connected to the outer surface of the rotary table;
The one end rotation of linking arm is connected with the pinion rack, the bottom of baffle rotates and installs the pivot, the both ends bottom fixedly connected with gas-equalizing plate of pivot, the one end surface fixed mounting of pivot has drive gear, the bottom center of overflow launder is provided with the blow off pipe, the inside fixed mounting of header tank has foam entrapment orifice plate, the inside of header tank just is located the below of foam entrapment orifice plate and is provided with the shower, the linking arm passes through the pinion rack and is connected with drive gear meshing.
As the preferable scheme of the utility model, a spray pipe is arranged at the bottom of the gas-liquid separator, a side observation port is arranged on the outer surface of the middle part of the protective cover, an air outlet is arranged in the center of the top of the protective cover, a filter plate is arranged in the circulating water tank, a water pump is fixedly arranged on the outer surface of one end of the circulating water tank, a conveying pipe is connected to the outer surface of the water pump, and the water pump is fixedly connected with one end of the spray pipe through the conveying pipe.
As the preferable scheme of the utility model, the upper outer surface of the air homogenizing chamber is provided with a limit frame, and the toothed plate is in sliding connection with the limit frame.
As a preferable scheme of the utility model, a spray head is arranged on the outer surface of the spray pipe.
As a preferable scheme of the utility model, two sides of the overflow groove are provided with overflow ports, two ends of the overflow groove are provided with glass observation ports, and the bottom end of the discharge pipe is fixedly connected with the top end of the filter plate.
As a preferable scheme of the utility model, the bottom end of the water collecting tank is communicated and connected with the top of the circulating water tank.
As a preferable scheme of the utility model, the air homogenizing plate is made of light plastic.
The utility model has the beneficial effects that:
(1) According to the utility model, the gas homogenizing plate is arranged at the top of the gas homogenizing chamber at one end of the gas inlet pipeline, so that gas can be uniformly distributed in the gas homogenizing chamber, dust is conveniently filtered, a water film is formed at the bottom of the spray pipe back flushing foam trapping pore plate, the dust and foam removing efficiency can be effectively improved, the defogging layer is arranged at the upper layer of the defogging chamber, and is of a detachable structure, further defoaming is realized, and a back flushing device is arranged, so that the gas-liquid separator is ensured not to be blocked and continuously operates;
(2) According to the utility model, through the cooperation operation among the foam trapping dust removing component, the gas-liquid separator, the protective cover and the circulating water tank, the gas entering the device can be uniformly distributed, the dust removing and defoaming efficiency is improved, and the gas-liquid separator can further play a role in defoaming.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a foam trap dust collector;
FIG. 2 is a schematic diagram of a front cut-away structure of a foam trapping dust removing component;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;
fig. 4 is a schematic view of the back structure of the foam trapping dust removing part.
The figure shows that the dust removing component is 1, the foam collecting and dust removing component is 2, the gas-liquid separator is 3, the protective cover is 31, the gas outlet is 32, the side view port is 4, the circulating water tank is 41, the filter plate is 42, the water pump is 11, the air homogenizing chamber is 12, the water collecting tank is 13, the overflow groove is 14, the discharge pipe is 15, the foam collecting pore plate is 16, the spray pipe is 17, the air homogenizing plate is 18, the gas inlet pipeline is 19, the turntable is 110, the connecting arm is 111, the toothed plate is 112, the transmission gear is 113, the rotating shaft is 114, the baffle plate is 115 and the rotating drum is provided.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model discloses a foam trapping dust remover, which comprises a foam trapping dust removing component 1, a gas-liquid separator 2, a protective cover 3 and a circulating water tank 4, wherein the gas-liquid separator 2 is fixedly arranged at the top of the protective cover 3, the circulating water tank 4 is fixedly arranged at the bottom of the protective cover 3, and the foam trapping dust removing component 1 is fixedly arranged in the protective cover 3;
The foam trapping dust removing component 1 comprises a gas equalizing chamber 11, an overflow groove 13, a water collecting tank 12 and air inlet pipelines 18, wherein the water collecting tank 12 is symmetrically arranged on two sides of the overflow groove 13, the air inlet pipelines 18 are fixedly connected to the top of the gas equalizing chamber 11, the bottom of the gas equalizing chamber 11 is arranged on the upper surface of the middle part of the water collecting tank 12, a baffle plate 114 is uniformly arranged in one end of the air inlet pipeline 18, a rotary drum 115 is rotatably clamped at the other end of the air inlet pipeline 18, a rotary disc 19 is fixedly arranged on the outer surface of one end of the rotary drum 115, and a connecting arm 110 is rotatably connected to the outer surface of the rotary disc 19;
One end of the connecting arm 110 is rotationally connected with a toothed plate 111, the bottom end of the baffle 114 is rotationally provided with a rotating shaft 113, the bottoms of the two ends of the rotating shaft 113 are fixedly connected with air equalizing plates 17, the outer surface of one end of the rotating shaft 113 is fixedly provided with a transmission gear 112, the center of the bottom of the overflow trough 13 is provided with a discharge pipe 14, the inside of the water collecting tank 12 is fixedly provided with a foam collecting pore plate 15, a spray pipe 16 is arranged in the water collecting tank 12 and below the foam collecting pore plate 15, and the connecting arm 110 is meshed and connected with the transmission gear 112 through the toothed plate 111.
The bottom of the gas-liquid separator 2 is also provided with a spray pipe 16, the outer surface of the middle part of the protective cover 3 is provided with a side observation port 32, the center of the top of the protective cover 3 is provided with an air outlet 31, the inside of the circulating water tank 4 is provided with a filter plate 41, one end outer surface of the circulating water tank 4 is fixedly provided with a water pump 42, the outer surface of the water pump 42 is connected with a conveying pipe, and the water pump 42 is fixedly connected with one end of the spray pipe 16 through the conveying pipe.
The upper outer surface of the air homogenizing chamber 11 is provided with the limiting frame, the toothed plate 111 is in sliding connection with the limiting frame, so that the sliding of the toothed plate 111 can be limited, and the outer surface of the spray pipe 16 is provided with the spray head, so that water and dust can be fully contacted, and the dust removing effect is achieved.
According to the utility model, the overflow ports are formed in the two sides of the overflow groove 13, dirt trapped by foam can be cleaned, the glass observation ports are formed in the two ends of the overflow groove 13, a worker can conveniently penetrate through the interior of the dust remover, the bottom end of the discharge pipe 14 is fixedly connected with the top end of the filter plate 41, overflowed dirt can be conveyed to the circulation water tank 4 for circulation, the bottom end of the water collecting tank 12 is communicated with the top of the circulation water tank 4, the sewage which is washed and fallen from the bottom of the gas-liquid separator 2 can be collected, the material of the gas-equalizing plate 17 is light plastic, and stable reciprocating swing of the gas-equalizing plate 17 can be ensured.
The working principle of the utility model is as follows: firstly, the gas to be dedusted is conveyed into the air homogenizing chamber 11 through the air inlet pipeline 18, meanwhile, the gas can blow the rotary drum 115 to rotate, when the rotary drum 115 rotates, the rotary disc 19 at one end drives the connecting arm 110 to circularly swing, the connecting arm 110 drives the toothed plate 111 at one end to reset and slide in the swinging process, meanwhile, the toothed plate 111 drives the transmission gear 112 which is meshed and connected with the bottom to reciprocally rotate, so that the transmission gear 112 drives the air homogenizing plate 17 through the rotating shaft 113 to reciprocally swing in the air homogenizing chamber 11, the gas entering the air homogenizing chamber 11 through the air inlet pipeline 18 can be evenly distributed in the air homogenizing chamber 11 under the reciprocal swinging of the rotating shaft 113, meanwhile, the spray pipes 16 at the lower part of the foam trapping pore plate 15 can upwards spray water through the spray heads on the outer surfaces of the spray pipes 16 under the conveying of the water pump 42, a layer of water film can be formed on the surface of the foam trapping pore plate 15, so the gas is in high-speed undershoot and contacts with the foam trapping orifice plate 15, a large amount of foam is generated when the gas contacts with the foam trapping orifice plate 15, dust in the gas is fully contacted with circulating water and trapped, the dust is fused into water mist drops, dust removing and defoaming efficiency can be improved, the gas, such as oil or dust with density less than water, is trapped and then floats on the water surface in the water collecting tank 12, then the dust oil film dirt on the water surface flows into the overflow groove 13 through the overflow port along with the rising of the liquid level in the water collecting tank 12, the gas after dust removing and defoaming is lifted into the defogging chamber through the top of the overflow groove 13, the gas is discharged from the gas outlet after further separation by the gas-liquid separator 2, the particle is less than or equal to 10mg/m3, the bottom of the gas-liquid separator 2 can be flushed by the spray pipe 16, the sewage collecting device has the advantages that dirt is prevented from adhering to the bottom of the gas-liquid separator 2, normal filtration of the gas-liquid separator 2 is guaranteed, meanwhile, the multistage filter plate 41 is arranged in the circulating water tank 4, sewage collected in the circulating water tank 4 can be filtered, dust and oil sediments or floating matters are separated and removed, purified water can be circularly used for flushing the foam collecting pore plates 15 and 5, the foam collecting pore plates 15 and the gas-liquid separator 2 are guaranteed to be normally filtered and are not blocked by sediments, and the entering gas can be evenly distributed through cooperation operation among the foam collecting dust removing component 1, the gas-liquid separator 2, the protective cover 3 and the circulating water tank 4, so that the dust removing and defoaming efficiency is improved, and the gas-liquid separator 2 can further play a role in defoaming.
The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.