258 results about "Settling chamber" patented technology

The invention relates to the technical field of sewage treatment, in particular to a wastewater solid-liquid separation structure and a separation method thereof. The processing device comprises a sewage tank and a liquid supply device, the interior of the sewage tank is divided into a liquid supply bin, a heating bin, a separation bin and a standing bin by an inner partition plate and an outer partition plate which are arranged in the sewage tank, and a liquid collection mechanism is arranged at the top of the heating bin and comprises a gas transmission part and a temperature sensing part. Cool air conveyed in a cooling capacity box is used for achieving separation of solidified grease and sewage, a boundary plate is promoted to guide grease discharged by a heating bin into a discharging channel, the moving path of the grease is changed, meanwhile, the cold air provides cooling capacity for hot air in a liquid storage box, and a memory spring is forced by condensed liquid to push a push plate to move; and the push plate pushes the solidified grease to the far end to isolate the solidified grease and receive the grease from the discharging channel, so that the solidified grease is prevented from hindering newly injected grease, and the grease treatment efficiency is improved.

The utility model relates to the technical field of fresh air settling treatment, in particular to a fresh air settling chamber for a clean room, which comprises a settling chamber main body, a partition plate is arranged in the settling chamber main body, a collecting structure is arranged on one side of the partition plate, and side plates are mounted on two sides of the inner wall of the settling chamber main body; through the collecting structure, when air is treated, air in the clean room is introduced into the air inlet pipe, at the moment, after the air is pretreated through the air inlet structure, the air enters the space between the side plates on the two sides, large dust particles in the air fall down under the influence of the gravity of the dust particles and are stuck and fixed by the sticking belt below, and dust is prevented from being blown by wind to fly around; when the adhesive tape on one side is fully paved with dust particles, the output shaft of the adhesive tape can drive the rotating rod to rotate through driving of the servo motor, so that one side of the collecting roller is replaced, and when the adhesive tapes on the four sides are fully paved with dust, the cover plate is taken down, and the adhesive tapes are torn down one by one and replaced. Therefore, the purposes of collecting dust and preventing dust particles from returning to the air chamber are achieved.

The utility model discloses a waste heat recovery device of a straw steam explosion wall, and relates to the technical field of waste heat recovery of the steam explosion wall, the waste heat recovery device of the straw steam explosion wall comprises a steam explosion tank and a material receiving device, the discharge port of the steam explosion tank is communicated with the feed port of the material receiving device, and the discharge port of the steam explosion tank is communicated with the feed port of the material receiving device. A steam outlet of the material receiving device is communicated with the settling chamber through a first pipeline, and a steam outlet of the settling chamber is communicated with the heat exchanger through a second pipeline. Straw in steam can be removed through the settling chamber, then the steam is cooled through the heat exchanger, cooled gas is discharged into the air, heat, lost in the heat exchanger, of the steam can be absorbed and applied by another heat exchange medium in the heat exchanger, and therefore waste heat recovery of the steam explosion wall of the straw is achieved.

The present invention relates to the technical field of rotary kiln flue gas treatment and heat recovery, and more specifically, to a rotary kiln flue gas purification and waste heat recovery device and method, comprising a purification and heat transfer device, the purification and heat transfer device comprising a device body, a primary heat transfer element disposed within the device body, an air inlet chamber disposed in the middle of the primary heat transfer element, the air inlet chamber having an inverted conical chamber structure; an air inlet port disposed at the upper end of the air inlet chamber, a first settling chamber disposed at the lower end thereof, a first sealing plug removably disposed at the lower end of the first settling chamber; a first spiral fluid chamber disposed within the primary heat transfer element, a plurality of first vents disposed between two adjacent spiral chambers; the first spiral fluid chamber having a first fluid inlet and a first fluid outlet. The invention utilizes a method of directly mixing high-speed circulating fluid and cold fluid to enhance heat transfer efficiency. The invention can significantly enhance solid waste settling efficiency, improve purification efficiency, and achieve high waste heat recovery efficiency.

The utility model relates to a waste heat boiler and a converter gas waste heat recovery system equipped with the waste heat boiler, the waste heat boiler comprises a first return stroke boiler, a second return stroke boiler and a settling chamber, the top of the first return stroke boiler is provided with a flue gas inlet, and the top of the second return stroke boiler is provided with a flue gas outlet. A bottom smoke outlet of the first return stroke boiler and a bottom smoke inlet of the second return stroke boiler are both communicated with an inner cavity of the settling chamber, and a longitudinal scouring heating surface is arranged in the first return stroke boiler. The waste heat boiler adopts a double-return-stroke structural design, so that the waste heat recovery effect can be ensured; a longitudinal scouring heating surface and a smoke longitudinal scouring heating surface are arranged in the first return stroke boiler, so that the smoke waste heat is recycled, the ash deposition degree can be effectively relieved, and the ash deposition condition is reduced; and the settling chamber can play a role in inertial dust removal, so that the probability of ash deposition and ash blockage of the waste heat boiler is further reduced.

The utility model relates to a softened water preparation device, in particular to a softened water preparation device with high hardness removal rate. The utility model relates to a softened water preparation device with high hardness removal rate, which comprises a water inlet pipe, a reaction chamber I, a settling chamber I, a settling chamber II, a reaction chamber II, a settling chamber III, a settling chamber IV, an immersed UF reaction tank, an adjusting chamber, an ion exchange chamber and a water outlet pipe which are sequentially arranged, a sodium carbonate solution adding opening is formed between the settling chamber II and the reaction chamber II.

The utility model provides a flue gas carbon dioxide trapping device which solves the problems that a flue gas carbon dioxide trapping device is complex, high in energy consumption and low in concentration of trapped carbon dioxide. The device comprises a dust settling chamber, an absorption regeneration tower, a liquid storage tank and a CO2 storage tank, a flue gas inlet and a flue gas outlet are formed in the dust settling chamber; a plurality of absorption units are arranged in the absorption regeneration tower from bottom to top, and each absorption unit comprises a filler assembly and a spraying assembly from bottom to top; the filler assembly is filled with a solid adsorbent and is provided with a heating assembly, and the spraying assembly sprays water into the filler assembly; a liquid outlet, a gas outlet and an absorption gas inlet are formed in the absorption regeneration tower; the flue gas outlet is communicated with the absorption gas inlet; the gas outlet is communicated with the CO2 storage tank and the atmosphere at the same time; a water inlet, a reflux inlet and a water outlet are formed in the liquid storage tank; the liquid outlet is communicated with the reflux inlet, and the water outlet is communicated with the spraying assembly.

The invention discloses an energy storage type vertical fluidized bed fluidized bed furnace which comprises a combustion chamber, a dust remover and a settling chamber independently arranged between the combustion chamber and the dust remover. An inlet and an outlet are symmetrically formed in the two sides of the settling chamber, a smoke pipeline is arranged at the top of the combustion chamber and communicated with the inlet, the dust remover is provided with a cyclone pipeline, the cyclone pipeline is communicated with the outlet, and the sectional area of the outlet is larger than that of the inlet; a partition plate extending downwards from the inner wall of the top of the settling chamber enables the inner space of the settling chamber to form a U-shaped flow channel, the U-shaped flow channel comprises a first flow channel, a bottom flow channel and a second flow channel, and an inverted-cone-shaped inner cavity is formed below the bottom flow channel. According to the invention, secondary combustion of unburnt particles before entering the dust remover is realized, the combustible content in the flue gas is obviously reduced, the carbon deposition risk of subsequent dust removal equipment is reduced, the temperature of the flue gas entering the dust remover is reduced, and the service life of the equipment is prolonged.

The device comprises a reaction chamber and a settling chamber, the middle of the settling chamber is communicated with an output port of the reaction chamber, a liquid discharge port is formed in the top of the settling chamber, and a slag discharge port is formed in the bottom of the settling chamber; a filter membrane is also arranged in the settling chamber, the liquid outlet is positioned on one side of the filter membrane, and the slag outlet and the output port of the reaction chamber are positioned on the other side of the filter membrane. By arranging the filter membrane, clear water can be separated from sediments, and the sediments are respectively discharged through the liquid outlet and the slag outlet, so that the situation that the sediments are carried and water disturbance is aggravated when the clear water is discharged is reduced, the sediments can settle to the seabed more quickly in a smaller range, and pollution and damage to the surrounding marine environment are reduced. The method comprises the following steps: adjusting the orientation and opening degree of a liquid outlet according to ocean current information, and flushing ocean current with clear water to slow down the speed of water flow near a slag outlet so as to reduce drifting of precipitates.

The utility model discloses explosive dust washing treatment equipment which comprises a Venturi tube, a settling chamber, a rotational flow plate tower, a water washing tower and a fan which are sequentially communicated, the settling chamber, the rotational flow plate tower and the water washing tower are all provided with mud buckets, and all the mud buckets are jointly communicated with an inclined tube settling pond. A Venturi tube, a settling chamber, a rotational flow plate tower, a water washing tower and a fan are sequentially arranged in a communicated mode, the settling chamber, the rotational flow plate tower and the water washing tower are each provided with a mud bucket, and all the mud buckets are jointly connected with an inclined tube settling pond; by arranging a multi-stage dust removal process, the dust removal efficiency is effectively improved; in addition, the inclined tube sedimentation tank can also realize cyclic utilization of wastewater.

The settling chamber structure comprises a machine shell, an air inlet and an air outlet are formed in the machine shell, a plurality of baffles are arranged in the machine shell side by side, a dust blocking channel is formed between every two adjacent baffles, the air inlet is communicated with the air inlet end of the dust blocking channel, and the air outlet is communicated with the air outlet end of the dust blocking channel. Dust-containing waste gas enters the machine shell from the air inlet, due to the fact that the ventilation area is suddenly and greatly increased, the overall air speed is rapidly reduced, and the air flows vertically upwards to pass through the dust blocking channel, large-particle dust cannot overcome the action of gravity, falls downwards and is deposited at the bottom of the settling chamber. Besides, part of large-particle dust enters the dust blocking channel, but is blocked at the bent part of the dust blocking channel, and then is deposited at the bottom of the settling chamber under the action of gravity. According to the utility model, the baffle plates which are vertically arranged are used for stopping large-particle dust, so that the size of the shell in the transverse direction is controlled, and the occupied area of the settling chamber is reduced.

The multistage dust removal equipment comprises a bag-type dust remover, a settling chamber structure is fixedly installed on the lower portion of the outer surface of the front end of the bag-type dust remover, and the settling chamber structure comprises a settling box, an air outlet pipe, a water inlet valve, an air inlet pipe, a blow-down valve, a water guide pipe, a water spraying head, a first baffle, a second baffle and a baffle plate. The settling box is fixedly mounted at the lower part of the outer surface of the front end of the bag-type dust collector. According to the multistage dust removal equipment for the kiln, the settling chamber structure is arranged, large particles can settle down in the settling box, the waste gas treatment burden of the bag-type dust remover is reduced, after settling in the settling box, the large particles can be conveniently cleaned in a water washing mode, and the dust removal efficiency is improved. And the cleaning difficulty is reduced.

The utility model discloses a device for treating DDNP (dinitrodiazophenol) wastewater by a combined process. The device comprises a screening filter, a regulating tank, a sedimentation tank, an oxidation tank and an electrolytic tank, the screening filter is used for filtering the entering DDNP wastewater; the regulating tank is connected with the screening filter tank, and is used for regulating the pH of the DDNP wastewater subjected to filtration treatment to be acidic; the sedimentation tank is connected with the regulating tank, is used for carrying out sedimentation treatment on the DDNP subjected to acid regulation treatment and removing visible suspended matters in a water body, and comprises a sedimentation chamber, a dosing tank which is connected with the sedimentation chamber and is used for adding a water purifying agent into the sedimentation chamber, a filter screen arranged in the sedimentation chamber and a stirring part which is connected with the filter screen and extends downwards; the oxidation pond is connected with the settling chamber and is used for converting and decomposing part of soluble organic matters in the entering supernate into inorganic matters; the electrolytic tank is connected with the oxidation tank and is used for carrying out electrolytic reaction on the entering DDNP wastewater; through the composition of the limiting device, the DDNP wastewater is deeply treated, so that high-chroma and a large number of toxic organic matters in the DDNP wastewater can be deeply removed, and the effluent meeting the emission standard requirement is obtained.

The utility model discloses a novel winnowing machine, which relates to the technical field of winnowing equipment and comprises a machine frame, a feeding conveying mechanism, a separation drum separation chamber and a settling chamber which are arranged on the machine frame along the material flowing direction, a fan system is arranged on the machine frame, a separation drum is rotatably arranged in the separation drum separation chamber, and the settling chamber is arranged on the machine frame. The bottom of the separation drum separation chamber is provided with a heavy material discharge port corresponding to one side of the separation drum far away from the settling chamber, and the bottom of the settling chamber is provided with a light material conveyor; the fan system comprises a centrifugal fan, the fan is connected with an air supply pipeline and a dust removal pipeline, an air outlet of the air supply pipeline extends into the separation drum separation chamber, an air return channel is arranged at the top of the settling chamber, and the air return channel is connected with the centrifugal fan through an air return pipe; according to the scheme, through reasonable structural design and an efficient separation mechanism, effective separation of heavy substances and light substances in materials is achieved, meanwhile, a dust removal pipeline is arranged, and the environmental protection performance and the energy efficiency level of the dust removal device are remarkably improved.

The invention relates to the technical field of shale gas exploitation, in particular to a multifunctional system for water removal, sand removal and cooling of shale gas. According to the technical scheme, the device comprises a baffle separation device, a flow collection bin, a water removal bin, a sand setting chamber and a water storage bin; a sand discharging bin and a sand removing bin are arranged in the baffle separation device, a movable bin door is arranged between the sand discharging bin and the sand removing bin, the sand discharging bin is connected with the flow collecting bin through a first exhaust pipe, and the sand discharging bin is connected with the sand settling chamber through a first drainage pipe; one side of the collecting bin is connected with the water removal bin through a second exhaust pipe, and the bottom of the collecting bin is communicated with the sand setting chamber through a second drainage pipe; a molecular sieve is arranged at the top of the dewatering bin which is connected with the sand setting chamber through a second air inlet pipe. Water removal, sand removal and cooling treatment of the shale gas can be efficiently achieved at the same time, the situation that only one problem can be solved in the past is changed, and the shale gas treatment efficiency and quality are greatly improved.

The utility model relates to the field of heat absorbers of electric furnace settling chambers, and discloses a fused salt radiation type heat absorber of an electric furnace waste heat boiler settling chamber, which comprises a heat absorber body, the heat absorber body comprises a plurality of groups of radiation type heating surfaces, the radiation type heating surfaces are arranged along the inner wall of the settling chamber, and the inner sides of the radiation type heating surfaces define a cavity; and the fused salt circulates in the radiation type heating surface and absorbs heat in the high-temperature flue gas entering the settling chamber. The system has the advantages that waste heat in high-temperature flue gas can be fully utilized, energy is further saved, consumption is further reduced, the efficiency of the saturated steam generator set is improved, stability is good, and economic benefits are high.

The invention relates to the technical field of grain conveying, in particular to a breakage-proof grain feeding device based on pneumatic conveying and a rice husking machine. The breakage-proof grain feeding device comprises a support, a conveying pipe and a settling chamber, and the conveying pipe and the settling chamber are fixed to the support and communicate with each other; the air conveying assembly is arranged on the support and used for conveying the grains in the conveying pipe into the settling chamber; the convection separation assembly is arranged on the settling chamber, and the convection separation assembly can provide opposite airflow so as to separate the grains entering the settling chamber; the gravity discharging mechanism is arranged in the settling chamber, partition plates which are symmetrically arranged are connected to the gravity discharging mechanism, and when the air conveying assembly conveys grains in the conveying pipe to the settling chamber, the convection separation assembly can provide opposite air force, so that the impact force of the grains is counteracted, and the grains cannot directly impact the inner wall of the settling chamber; and the integrity of the grains is ensured.

This invention provides a recycling and compression device for lithium battery positive and negative electrode waste, comprising a housing, a compaction unit, a purification unit, a waste collection trolley, and an electrical control system. The housing includes a settling chamber, a solid-gas separation device, an air duct switching device, and a housing frame. The compaction unit includes a compaction chamber, a push plate, and a drive device. This invention optimizes the air inlet structure design, significantly reducing the problem of waste material wandering inside the equipment and failing to fall into the compaction chamber, and reducing the risk of material blockage. Utilizing airflow guidance, it effectively ensures that the compaction chamber is filled with waste, improving collection efficiency, increasing the compression ratio, extending the service life of the servo cylinder, reducing energy consumption, and reducing the frequency of waste collection by workers. The addition of a pressure relief port at the outlet significantly reduces the frequency of equipment alarms and effectively pushes the waste into the collection trolley.

The invention discloses a winnowing machine system. A first separation chamber, a second separation chamber and a settling chamber are sequentially arranged in a box body of the winnowing machine system, the first separation chamber, the second separation chamber and the settling chamber are sequentially communicated, and a plurality of air suction boxes communicated with the settling chamber are arranged at the top of the settling chamber; a first rotary drum of the main separation device is rotatably arranged in a first separation chamber, the inlet end of a first air nozzle is connected with the outlet end of a main fan, and the outlet end of the first air nozzle is arranged in the first separation chamber; a second rotary drum of the auxiliary separation device is rotatably arranged in a second separation chamber, the inlet end of a second air nozzle is connected with the outlet end of an auxiliary fan, and the outlet end of the second air nozzle is arranged in the second separation chamber; the air return pipeline is connected with the air suction box and is communicated with the settling chamber, so that the settling chamber is kept in a negative pressure state. According to the winnowing machine system, materials are sorted for three times, the sedimentation effect of the materials in the sorting process is good, and the sorting precision of the materials is improved.

The utility model discloses a kind of secondary zinc oxide settling chamber dust circulating devices, comprising: settling chamber;Dust cooling pond, the dust cooling pond one side is equipped with closed air auger conveyor, the discharge outlet of the bottom of settling chamber is communicated with dust cooling pond by closed air auger conveyor;Secondary zinc oxide raw material bin, bag-type dust collector is equipped on the secondary zinc oxide raw material bin, the air inlet end of bag-type dust collector is connected with conveying pipeline, the feeding end of the conveying pipeline is located at the bottom of dust cooling pond;Cooling temperature measuring assembly, the cooling temperature measuring assembly is used to carry out cooling temperature measurement to remote, the cooling temperature measuring assembly is equipped on dust cooling pond.The beneficial effects of the utility model are that cooling temperature measuring assembly is used to cool dust, dust can be fully contacted with cooling temperature measuring assembly, can discharge the heat of dust in time, reduce cooling time, improve cooling efficiency, can measure the temperature of dust of different depth, improve measurement precision.

The utility model relates to the technical field of oil filling devices, and discloses an oil filling device for assembly of a suspension fork, which comprises a filter box and a connecting sleeve plate, settling chambers are arranged at the left and right ends of the inner wall of the filter box, and filter baffles are fixedly connected to the left and right ends of the inner wall of the filter box close to the middle. Filtering holes are formed in the tops of the outer walls of the filtering baffles, a gettering plate is fixedly connected to the inner walls of the filtering baffles, gettering holes are formed in the outer walls of the gettering plate, an H-shaped filtering plate is fixedly connected to the middle of the inner wall of the filtering box, and filtering fine nets are fixedly connected to the left side and the right side of the inner wall of the H-shaped filtering plate. And auxiliary mechanisms are arranged on the left side and the right side of the outer wall of the connecting sleeve plate. According to the shock-proof front fork, after oil enters the oil inlets formed in the left side and the right side of the outer wall of the filter box, the settling chambers formed in the left end and the right end of the inner wall of the filter box can settle the oil, the oil is prevented from entering the shock-proof front fork, and the service life of the front fork is prolonged.

This application provides a brine salt-sand separation device, relating to the field of salt production equipment technology. It includes a separation chamber, which is divided from top to bottom into a pretreatment chamber and a settling chamber. The top of the separation chamber has an inlet communicating with the pretreatment chamber, and a buffer tank is located on one side. The separation chamber has a first connecting port for connecting the pretreatment chamber and the buffer tank, and a second connecting port for connecting the buffer tank and the settling chamber. A filter plate is removably installed at the first connecting port. The separation chamber has a cleaning assembly for cleaning the filter plate, and an overflow pipe communicating with the settling chamber. This invention utilizes a multi-stage separation method—preliminary filtration by the filter plate and further settling in the settling chamber—to intercept large particles of impurities and remove fine sand particles, improving the brine salt-sand separation effect, increasing the purity and quality of salt products, improving production efficiency, reducing wear on subsequent equipment caused by sand particles, lowering maintenance costs and downtime for repairs, and ensuring stable and continuous operation of the production line.

The utility model discloses a seed pre -cleaning machine relates to agricultural seed production technical field, including feeding mechanism, impurity removal mechanism and frame, and feeding mechanism is located on the upside of impurity removal mechanism, and feeding mechanism is fixedly connected with the inboard of frame, and the material stirring shaft is arranged on the extension normal of material dripping board, and the material stirring roller is fixedly connected on the material stirring shaft and its rotation excircle line is tangent with the lower edge line of material dripping board, and material dripping board and clamp are symmetrical design, and the two -level (light impurity and heavy impurity) separation of seed through the wind screen and the impurity removal assembly and the impurity removal assembly of winch can better guarantee the purity of the selected seed, and dust can be collected simultaneously to avoid polluting the environment, and the device forms the front and rear settling chamber through the combination of baffle combination and air chamber adjusting plate clamp, and the air volume of settling chamber can be adjusted through air chamber adjusting plate clamp, so that the light impurity can be better screened out, and the seed can not be taken out at the same time, and a variety of seed pre -selection can be suitable.

The invention belongs to the field of sewage treatment, particularly relates to a tower-type treatment device for rural landfill leachate, and provides the following scheme aiming at the problem that sediments are inconvenient to clean in the prior art: the tower-type treatment device comprises a reaction tower; the mounting seat is fixedly mounted at the bottom of the reaction tower, a groove is formed in the top of the mounting seat, a partition plate is fixedly mounted in the groove and divides the groove into a settling chamber and a clarifying chamber, and openings are formed in the top and one side of the settling chamber; the overflow hole is formed in the partition plate, a filter plate is fixedly mounted in the overflow hole, and a plurality of filter holes are formed in the filter plate; the closing plate is arranged on one side of the mounting seat and is used for closing the opening in one side of the settling chamber; the scraping plate is arranged in the settling chamber and is used for pushing out sediments in the settling chamber; according to the sewage treatment device disclosed by the invention, sediments in the sedimentation chamber can be conveniently pushed out, manpower is saved, the filter plate can be dredged, and blockage is avoided.

The utility model provides a settling chamber for a tertiary air duct, and relates to the technical field of cement production equipment, the settling chamber comprises the tertiary air duct connected with a cement kiln head cover and a C5 blanking pipe connected with a C5-stage cyclone cylinder of a preheater, the settling chamber is arranged below the tertiary air duct, the upper part of the settling chamber is communicated with the tertiary air duct, the lower part of the settling chamber is provided with a discharge port, and the discharge port is communicated with the C5-stage cyclone cylinder of the preheater. After the cement kiln head cover tertiary air pipe is used, materials entering the tertiary air pipe from the cement kiln head cover fall into the settling chamber under the action of gravity, pass through the air locking valve and then fall into the C5 discharging pipe, effective recycling and reutilization of the materials are achieved, and the cement kiln head cover tertiary air pipe is convenient to use. Compared with the prior art, the process state change caused by the fact that the ventilation area is affected by material accumulation of the flat section of the tertiary air pipe can be avoided, and meanwhile the scalding risk caused by material cleaning of post personnel is reduced.

The utility model provides a bag-type dust collector which comprises a closed shell, a settling chamber and a bag chamber are arranged in the shell in parallel, an interception assembly is arranged on one side, far away from the bag chamber, of the settling chamber and comprises an interception channel and a plurality of layers of interception plates, one of the interception plates close to an air inlet is an outer interception plate, and the rest of the interception plates are inner interception plates. The outer intercepting plate and the inner intercepting plate are both of a pore plate structure, and openings larger than the holes are symmetrically formed in the two sides of the outer intercepting plate. Dust-containing waste gas needs to pass through the intercepting assembly and the settling chamber and then enters the bag chamber to be in contact with the cloth bag for dust removal. Wherein the intercepting assembly is internally provided with an outer intercepting plate and an inner intercepting plate, and a plurality of holes are formed in the intercepting hole plates, so that flue gas turbulence is facilitated, contact between organic components and chlorine salt and dust is enlarged, the dust adhered with the organic components and the chlorine salt is more easily adhered to the intercepting plates, and the organic components entering a bag chamber are effectively reduced.

The invention discloses a dust and poison synergistic efficient treatment purifier and a use method thereof. The dust and poison synergistic efficient treatment purifier comprises an axial flow fan, a gravity settling chamber, a wet metal-based filter screen dust removal device, a novel dust suppressant, a sewage treatment device, a novel semi-permeable membrane, a dual-purpose suction blowing pump, a dust suppressant adding system, a demister, a sludge pressing and conveying device and an automatic console. The axial flow fan, the gravity settling chamber, the wet metal-based filter screen dust removal device and the demister are connected in sequence; the sewage treatment device is mounted at the lower part of the wet metal-based filter screen dust removal device; the sludge pressing and conveying device, the sewage tank, the dual-purpose suction and blowing pump and the dust suppressant adding system are connected in sequence; a dust suppressant is added into the wet-type metal-based filter screen dust removal device through the dust suppressant adding device. According to the invention, various poisonous and harmful gases and dust generated under the mine can be effectively removed, underground pollution is reduced, and the body health of underground operators is protected.

The utility model provides a water spraying amount control system for a primary high-temperature flue gas spray cooling tower of an electric furnace, relates to the technical field of flue gas purification of the electric furnace, and aims to solve the problem that most of existing projects use a conventional control method for adjusting the water spraying amount according to a single temperature value of an outlet of the spray cooling tower. The problems of slow water spraying reaction (water spraying hysteresis), inaccurate temperature value caused by local supercooling or superheating due to non-uniform flue gas distribution, large temperature fluctuation of an outlet of a spray tower, serious scaling and hardening of smoke dust in the spray tower and a tower outlet pipeline, and increase of use and maintenance cost generally exist in the prior art, including a combustion settling chamber, a combustion chamber, a combustion chamber and a combustion chamber. A flue gas inlet dust removal pipeline is installed at the top of the left side of the combustion settling chamber, a steel structure stand column is installed at the top of the right side of the combustion settling chamber, and a cooling tower is installed on the steel structure stand column through a supporting base.

A positive pressure-based purification method for dusty gas, relating to the technical field of atmospheric pollution control. The method comprises the following steps: supplying a dusty gas into a cyclone apparatus (20) under positive pressure; using a centrifugal cyclone component (22) of the cyclone apparatus (20) to remove at least part of dust in the dusty gas; the dusty gas purified by the cyclone apparatus (20) entering a settling chamber (30), and at least part of dust settling in the settling chamber (30) by means of collision under the action of inertia force carried by the dusty gas; and the dusty gas settled in the settling chamber (30) continuing to enter a purification chamber (40) for purification, and the purified gas flowing out from an outlet (43) of the purification chamber (40). In the positive pressure-based purification method for dusty gas, a positive-pressure air supply mode is used to improve the airflow distribution within a positive pressure-based purification device (100) for dusty gas, thereby improving the dust removal efficiency.

The invention discloses a novel bypass ventilation dechlorination system and method for a cement plant, and the system comprises a bypass ventilation pipeline connected with a smoke chamber, the other end of the bypass ventilation pipeline is connected with a settling chamber, the other end of the settling chamber is connected with a separated heat pipe heat exchanger, and a gate plate is arranged between the settling chamber and the separated heat pipe heat exchanger. The bottom of the separated heat pipe exchanger is connected with the pneumatic conveying system; one end, far away from the settling chamber, of the separated heat pipe exchanger is connected with the decomposing furnace; the separation type heat pipe heat exchanger comprises a condensation section, a first evaporation section and a second evaporation section, according to the invention, the temperature of the flue gas without harmful components is about 850-950 DEG C, a proper amount of pulverized coal is sprayed through the combustor to generate a reduction zone, NOx in the flue gas is reduced into N2, the consumption of SNCR ammonia water of a sintering system can be reduced, and the problem of NOx emission of bypass flue gas is solved; the flue gas with the temperature of 850-950 DEG C enters the decomposing furnace and is equivalent to the temperature in the decomposing furnace, so that the influence on a cement sintering system is very small; and crusts are reduced by adopting a separated heat pipe heat exchanger.