54results about How to "Emission control" patented technology

The invention provides an air pre-heater ash clogging monitoring system and method, and relates to the technical field of air pre-heaters, and the system comprises a real-time monitoring module which is used for obtaining real-time working parameters of an air pre-heater, and judging whether the ash clogging condition exists or not at present; and the ash clogging prediction module is used for performing ash clogging prediction according to the historical working parameters of the air preheater. The permissible fluctuation range of the flue gas pressure difference is updated regularly according to the real-time working parameters of the air preheater, flue gas emission can be more accurately controlled, accidental shutdown of the air preheater caused by improper parameter setting can be reduced, and therefore the stability and safety of operation of the whole device are improved, and the service life of the whole device is prolonged. When the flue gas pressure difference is changed abnormally, ash blocking prediction is carried out, prevention measures are taken before actual occurrence of ash blocking, actual occurrence of ash blocking is avoided, and stable operation of the air preheater is guaranteed.

The invention provides a cooperative washing process for efficiently utilizing gasified slag, and relates to the field of gasified slag. The cooperative washing process based on efficient utilization of the gasified slag comprises the following steps: a, feeding and preliminary screening: preliminarily screening a gasified slag raw material through a vibrating screen to remove coarse slag with larger particle size, and conveying the screened raw material to a subsequent treatment link through an automatic feeding system, b, crushing: performing secondary crushing on the screened gasified slag by using a high-efficiency energy-saving crusher to ensure that the particle size is uniform; by adopting the high-efficiency and energy-saving crusher, the low-energy-consumption centrifugal dehydrator and the low-temperature and high-efficiency drying equipment, the overall energy consumption in the technological process is greatly reduced, and particularly, the problem of high energy consumption in the traditional process is effectively solved in the links of crushing, dehydrating and drying. Meanwhile, by means of the intelligent dense medium preparation equipment and the multi-layer intelligent grading system, efficient separation and recovery of carbon particles are guaranteed, the recovery rate of carbon is greatly increased, and resource waste is reduced.

The invention discloses a method, system and equipment for predicting the underflow concentration of a coal slime thickener, and relates to the technical field of coal slime water treatment.The method comprises the steps that historical feeding data and chemical adding data of the thickener are obtained; calculating the total flow of settled coal slime settled to the bottom at the current moment and the amount of suspended coal slime accumulated in the thickener; calculating the total flow of the currently settled and bottomed coal slime according to the total flow of settled coal slime settled to the bottom of the thickener at the current moment and the accumulated amount of suspended coal slime; calculating the underflow sludge discharge flow according to the on-off state of the underflow pump of the thickener and the historical average underflow sludge discharge concentration; according to the current sludge storage total amount, the current total flow of the settled and bottomed coal slime and the underflow sludge discharge flow, the total mass of the settled sludge at the bottom of the thickener is calculated; predicting the concentration of the underflow coal slime according to the total mass of the sludge at the bottom of the thickener; the method can predict the concentration of the underflow of the thickener, and can be used for controlling the discharge of the underflow without frequently starting and stopping the underflow thickener through a heuristic method.

The invention discloses an electrolytic manganese crushed manganese recycling process and a system thereof, and aims to recycle crushed manganese in an efficient and environment-friendly manner. The process comprises the following steps: mixing crushed manganese, scrap iron and a desulfurizing agent, adding into a direct-current electric arc furnace, smelting by utilizing direct current, and realizing desulfurization and uniform components by controlling electrode voltage and current intensity. In the smelting process, sampling analysis is conducted regularly, smelting parameters are adjusted according to results, and product quality is ensured. And after smelting is finished, cooling is conducted by controlling the flow speed and temperature of cooling water, and cracks or other defects are avoided. The system comprises a mixing device, a direct-current electric arc furnace, a tapping device and a cooling system, the direct-current electric arc furnace is a four-electrode cycle automatic reversing direct-current electric arc furnace and is provided with a water cooling system and an electrode sealing guide device, and the stability and safety of the smelting process are ensured. In addition, the system further comprises a collecting tank used for recycling dust, and environmental pollution is effectively reduced.

The present invention discloses a low-emission swirl burner for a gas turbine and an operating method thereof. The burner comprises a hollow inner cone and an outer cone which are coaxially arranged. A plurality of swirl blades are arranged between the inner cone and the outer cone. A plurality of inner cone fuel spray hole channels penetrating the inner cone wall are arranged on the inner cone wall. An annular blade fuel spray hole channel is also arranged on the inner cone wall. A plurality of blade fuel spray holes are arranged on each swirl blade, and each blade fuel spray hole is connected to the blade fuel spray hole channel. An air channel is formed in the cavity between the inner cone and the outer cone. The fuel nozzle of the burner is designed in two stages. The first stage is the inner cone fuel spray hole channel on the inner cone wall of the burner. When the load is low, the fuel is sprayed out from the inner cavity of the inner cone through the plurality of inner cone fuel spray hole channels, which can stabilize the flame and control the emission. The other stage is the blade fuel spray hole on the swirl blade. When the load is high, the fuel is sprayed through the blade fuel spray hole, mixed with the air and burned under the action of strong swirl, which can reduce the emission of NOx.

The utility model provides a cement raw material feeding bin, and relates to the technical field of cement production equipment, the cement raw material feeding bin comprises a feeding bin body, the feeding bin body comprises a material storage part and a material discharging part, the material discharging part is arranged in a necking shape, a separation assembly is arranged at the discharging end of the material storage part, and a material distribution assembly is arranged at the feeding end of the material discharging part. The discharging amount and the discharging flow speed of the raw materials by the material storage part can be effectively controlled, meanwhile, after a certain amount of the raw materials are discharged, the separation assembly is controlled to enable the material storage part and the discharging part to be completely separated, smoke in the kiln can be prevented from flowing back into the feeding bin when the raw materials are discharged into the kiln from the discharging part, and the discharging efficiency of the raw materials is improved. And therefore, the working environment during feeding in the kiln is guaranteed.

The utility model relates to the related technical field of candle filters, and discloses a tubular filter element for a candle filter, which is characterized in that an inner-layer filter tube is arranged in an outer-layer filter tube, one end of the inner-layer filter tube is fixedly connected with a first fixed annular plate, and the other end of the inner-layer filter tube is fixedly connected with a second fixed annular plate; a stainless steel filtering hole pipe is fixedly installed on the outer side of the first fixed annular plate, a water inlet connector is fixedly connected to the end of the stainless steel filtering hole pipe, and a drainage connector is fixedly connected to the outer side of the second fixed annular plate; the mixture of the dirt and the liquid finally rises along the outer wall of the metal cylinder and enters the metal cylinder through the water inlet one-way valve, and then the liquid is filtered again through the inner-layer filter bag, is finally discharged from the first water discharging one-way valve and enters the box body; the arrangement of the water inlet one-way valve ensures that only preliminarily filtered water can enter the metal cylinder.

This invention discloses a hydrogen-ammonia fuel injector with a swirling structure. The injector includes a fuel injector housing, an ammonia inlet assembly, an electronic control assembly, a valve assembly, an air intake assembly, and an injection assembly. The injection assembly includes an injector housing, a hydrogen-ammonia interface, a fixed sleeve, a flow pipe, a sliding sleeve, a fixing block, a return spring, and a return assembly. Swirling vanes are installed inside the flow pipe, forcing liquid ammonia and hydrogen into a high-speed swirling state. Centrifugal force and shear force are used to achieve uniform mixing of the two phases, forming a homogeneous hydrogen-ammonia fuel mixture. Combined with the hyperboloidal outlet channel at the bottom of the flow pipe, the injection flow pattern is organized, achieving an integrated function of "hydrogen premixing - forced swirling mixing - injection flow pattern organization." This fundamentally solves the combustion instability problem caused by uneven mixing, significantly improves the uniformity of the hydrogen-ammonia fuel mixture, and, combined with the flow pattern organization effect of the hyperboloidal outlet, effectively improves combustion stability and fuel utilization, reducing NOx emissions and ammonia slip.

The invention discloses a clean air separation gas combustion reactor system and an operation method. The system consists of a compression device, an end-stage cooler, a heat storage tank, a cold box, a cryogenic expander, an expansion valve, a fractionation tower, a throttle valve, a reheater and a natural gas boiler. The operation method of the system is an air separation and combustion coupling method. The invention uses waste heat to assist in heating the gas, nitrogen and oxygen, thereby improving the inlet conditions of the natural gas boiler. The system can independently produce oxygen to ensure the normal operation of the natural gas boiler, and at the same time, nitrogen, a byproduct of air separation, is added to serve as reflux flue gas to achieve a clean combustion effect. The purpose of adding a heat storage tank and a reheater is to utilize the waste heat in the air separation process to heat the gas, nitrogen and oxygen entering the natural gas boiler to improve the combustion efficiency. The purpose of adding low-temperature fractionation air separation is to independently produce oxygen required for oxygen-enriched combustion of gas fuel, and nitrogen is used as reflux flue gas to improve the combustion efficiency, thereby meeting the different needs of users.

The invention discloses a preparation method and application of a livestock breeding feed using fruit wine residues as raw materials, which are applied to the field of feed preparation, and aims to solve the problems of low resource utilization rate of fruit wine residues, waste of feed resources, low breeding benefits and the like. According to the method, fruit wine residues are pretreated and precisely compounded, a mineral adsorbent is added to optimize a structure so as to carry out mixing and tempering, multi-stage synergistic fermentation and dynamic regulation and control of a fermentation process, and intermittent stirring and weak forced ventilation are carried out during regulation and control; through the raw material classification and blending, the conditioning technology and the multi-stage synergistic fermentation technology, harmful gas emission in the fermentation process is effectively controlled, the stable fermentation environment is maintained, and the utilization rate of protein and microelements in the feed is remarkably increased; the fruit wine residues which are originally difficult to treat are converted into the high-quality livestock feed with balanced nutrition, so that wine brewing byproducts are turned into wealth, and the problem of environmental pollution caused by wastes is solved.

The invention belongs to the field of energy and environmental protection, and discloses a method and system for preparing biochar and co-producing carbon dioxide through internal heating type pyrolysis. The preparation method comprises the following steps: providing a medium-temperature oxygen-carrying heat carrier to be in contact with a solid organic fuel and pyrolyzing the medium-temperature oxygen-carrying heat carrier and the solid organic fuel to obtain a pyrolysis gas-phase product and a pyrolysis solid-phase product; separating the pyrolysis solid-phase product to obtain a low-temperature oxygen-carrying heat-carrying body and biochar; the pyrolysis gas-phase product makes contact with a high-temperature oxygen-carrying heat carrier and is oxidized, and a high-temperature gas product and a medium-temperature oxygen-carrying heat carrier are obtained; carrying out first cooling separation on the high-temperature gas product to obtain high-concentration carbon dioxide; the obtained medium-temperature oxygen-carrying heat carrier can be used for pyrolytic reaction of solid organic fuel. By utilizing the method and the system, high-concentration carbon dioxide and high-concentration nitrogen can be obtained while pyrolysis of the solid organic fuel is realized to produce the biochar, and the effect of controlling pollutant and carbon emission is achieved while effective utilization of resources is realized.

The application provides a kind of integrated energy system double-layer scheduling method and system, integrated demand response mechanism and compressed air energy storage system are introduced into traditional energy system, to plan the optimal operation cost of compressed air energy storage system in period as target to construct upper layer optimization model, to consider the minimum system operation cost of integrated demand response integrated energy system as target to construct lower layer optimization model;The lower layer optimization problem is converted into the constraint condition of upper layer problem, the nonlinear constraint in the slack complementary condition is converted into linear constraint, the problem of upper layer optimization model is solved, and the final scheduling scheme is obtained.The application considers integrated demand response and energy storage collaborative optimization, which can effectively reduce the capacity of energy storage system and significantly improve the economy, low carbon, reliability of integrated energy system operation.

The utility model provides a filtering device for cleaning food materials, which belongs to the technical field of food material cleaning and comprises a cleaning tank, a filter screen and a filter screen. The circular hole is formed in the lower inner wall of the cleaning tank; the first filter screen is connected into the cleaning tank in a sliding manner; the sleeve is fixedly connected with the lower end of the first filter screen, and the sleeve is slidably connected into the circular hole; the bottom plate is fixedly connected to the ends, close to the supporting legs, of the cleaning tank; the electric telescopic rod is fixedly connected to the upper end of the bottom plate, the electric telescopic rod is located in the circular hole and fixedly connected to the lower end of the first filter screen, and the first filter screen and the sleeve are slidably connected into the cleaning tank, so that impurities and residues generated in the food material cleaning process can be effectively filtered; according to the food material cleaning device, sanitation and quality of cleaned food materials are guaranteed, meanwhile, the food materials are conveniently filtered through the first filter screen, and meanwhile the food materials and impurities are effectively distinguished.

The invention relates to the technical field of engines, and discloses an exhaust gas recirculation system, a control method thereof and an engine which are used for improving the exhaust gas inlet capacity. The exhaust gas recirculation system comprises an exhaust gas inlet pipe and a plurality of exhaust gas inlet valves communicating with the exhaust gas inlet pipe. The multiple waste gas inlet valves correspond to the multiple air cylinders one to one, are arranged on cylinder covers of the air cylinders and communicate with the interiors of the air cylinders. The waste gas inlet valve has an open state and a closed state, and when the waste gas inlet valve is in the open state, waste gas in the waste gas inlet pipe and air in an inlet manifold arranged on the cylinder cover synchronously enter the air cylinder through the waste gas inlet valve.

The invention discloses an ammonia gas washing tower device for a ship. The ammonia gas washing tower device comprises a washing tower body, an ammonia gas water absorption tank, a first-stage gas uniform distributor, a first-stage spraying pipe network, a second-stage gas uniform distributor, a second-stage spraying pipe network, a ventilation device, a first spraying seawater valve, a second spraying seawater valve, an ammonia gas sensor, an exhaust control valve, a pressure sensor and an exhaust pipe. According to the marine ammonia gas washing tower device, the characteristic that ammonia is extremely easy to dissolve in water is utilized, and effective ammonia gas treatment and absorption are provided for a diesel / ammonia dual-fuel power ship; the ammonia gas treatment capacity is large, and ammonia gas generated in exhaust of a diesel / ammonia dual-fuel main engine and ammonia gas discharged by a safety valve of a liquid ammonia tank can be treated; a lower concentration value can be set by adjusting the concentration monitoring range of the ammonia gas sensor, so that the ammonia gas emission can be further controlled, and even the zero emission target of the ammonia gas can be realized; the mixed gas of ammonia gas and other gases can be treated, and other water-soluble gases are discharged into the atmosphere after being washed.

The utility model discloses a kind of edge corner processing structures for cow leather dancing shoes upper leather processing, including roller conveyor, processing support is installed on the roller conveyor, lifting support is installed on the inboard of the roller conveyor, lifting feeding cutter is installed on the processing support, the lifting feeding cutter includes collection cylinder, a pair of lifting grooves are set up on the processing support, lifting extrusion block is installed in the inboard of the lifting groove, the utility model relates to leather upper production technical field, full-process automation, in combination with roller conveyor, lifting feeding cutter and intelligent control system, complete from leather feeding, extrusion forming to cutting separation Full-automatic operation, significantly reduce manual intervention.

This invention relates to the field of exhaust gas treatment technology, specifically disclosing a staged control device for ammonia slip in exhaust gas from ammonia-based decarbonization. The device comprises a cooling tower, a first decarbonization tower, a second decarbonization tower, and a scrubbing tower, sequentially connected along the flue gas flow direction. The scrubbing tower is equipped with a first water scrubbing section, an acid scrubbing section, and a second water scrubbing section sequentially along the flue gas flow direction. Each of these sections has a spray layer and is connected to an independent liquid circulation system. A first gas-liquid separation structure is provided between the first water scrubbing section and the acid scrubbing section, and a second gas-liquid separation structure is provided between the acid scrubbing section and the second water scrubbing section. This invention achieves triple scrubbing of the flue gas, ensuring thorough purification, and utilizes the gas-liquid separation structure and liquid circulation system to guarantee the independence of each scrubbing stage.

The utility model discloses a spraying device for a casting part surface treatment process, and belongs to the technical field of surface coating. The material collecting device comprises a material collecting platform, a rotary positioning table and a clamp, wherein a material collecting box is arranged on the material collecting platform; the rotary positioning tables are arranged in a row and comprise rotary tables, first sliding grooves are formed in the rotary tables, T-shaped sliding blocks matched with the first sliding grooves are arranged on the first sliding grooves, clamping blocks are arranged at the bottoms of the rotary tables, and the clamping blocks are arranged on the material collecting box; the number of the clamps is two, each clamp comprises a supporting column, a first hole is formed in the upper portion of the supporting column, a rotating rod is arranged on the first hole, a clamping hand is arranged at one end of the rotating rod, the bottom of one supporting column is arranged on the T-shaped sliding block, and the other clamping hand is arranged on the rotary table. Through the structural design of the rotary positioning table and the clamp, accurate positioning and constant-speed rotation of a casting are achieved, the multi-axis adjustable spray gun array is matched, it is guaranteed that a coating is evenly covered, the device is suitable for corners, grooves and other areas difficult to spray of the casting of a complex structure, and the thickness deviation of the coating is reduced.

The utility model discloses a dioxin control device for a grate furnace of a garbage power plant, relates to the technical field of dioxin treatment and emission reduction, and provides a new technical approach for dioxin emission reduction of the garbage power plant. Comprising a machine frame, a material bin arranged on the machine frame, a material guide pipe arranged in the machine frame and connected with a material outlet of the material bin, and a bin cover arranged on the material bin. The spiral conveyor is vertically and rotatably arranged in the stock bin, and the spiral conveyor comprises a rotating rod and a group of spiral blades arranged on the rotating rod; a blower; in the incineration process, the control device is used for spraying a dioxin inhibitor into the grate furnace through the secondary air pipeline to restrain generation of dioxin, meanwhile, in the tail gas treatment stage, the control device is used for spraying a dioxin adsorbent in front of a cloth bag to adsorb dioxin, and therefore the emission amount of dioxin is controlled.

The invention discloses an aggregate supply bin suitable for mass concrete production, and relates to the field of concrete production, the aggregate supply bin comprises a storage bin and a charging port, the charging port is arranged above the storage bin and is used for supplementing and adding aggregate into the storage bin, a sorting bin is connected below the storage bin, a discharging port is arranged below the sorting bin, and the discharging port is connected with the storage bin. A discharging opening is formed in the lower portion of the storage bin, a discharging control mechanism is arranged in the discharging opening and controls discharging of the discharging opening, the lower portion of the discharging opening communicates with a feeding channel, the feeding channel is formed in the sorting bin, and a sorting cylinder is arranged on the right side of the feeding channel. According to the aggregate supply bin suitable for mass concrete production, aggregate before being discharged can be sorted through the arrangement of the sorting bin, the sorting barrel is arranged in the sorting bin, the continuous screening effect of the sorting barrel is achieved through rotation, the aggregate can be prevented from blocking the sorting barrel, and the stability of follow-up discharging of the aggregate supply bin is guaranteed.

The present invention relates to the technical field of tail gas treatment, and proposes a gas treatment device for treating tail gas containing triethylamine generated by triethylamine cold core box core making, comprising: a box body, the box body having an adsorption chamber and a desorption chamber; a circulating conveying member arranged in the adsorption chamber and the desorption chamber, a plurality of mounting plates, the plurality of mounting plates are arranged on the circulating conveying member at intervals, and the mounting plate has a plurality of mounting grooves; a plurality of activated carbon boxes, each of which can be detachably arranged on a mounting groove, after the circulating conveying member rotates, the activated carbon box located in the adsorption chamber is used to adsorb triethylamine, and the activated carbon box located in the desorption chamber is used to desorb triethylamine. Through the above technical scheme, the problem that the adsorption equipment in the prior art needs to be stopped for replacement after the activated carbon is saturated, and the triethylamine is easily caused to escape during the replacement process, which increases the risk of environmental pollution and the health of operators is solved.

The present invention provides a carbon emission real-time monitoring system, which relates to the technical field of carbon emission real-time monitoring, including: a carbon emission purification barrel; a circle of threaded grooves is provided on the top of the carbon emission purification barrel; a penetrating support cylinder is fixedly installed in the middle of the upper end of the carbon emission purification barrel. Harmful gases are purified by the carbon emission purification barrel, and the gas is purified by the purification net before being discharged. At this time, the carbon emission process is also monitored in real time by the sensor. After the monitoring gas data is qualified, it can be accurately known through the display screen, and the unqualified gas will stop being discharged in time, effectively controlling carbon emissions, solving the problem that a large amount of harmful gases will be generated during the production of enterprises, so the gas needs to be filtered and purified, and the gas purification needs to be monitored in real time when it is qualified. If the monitored gas is unqualified and discharged into the air, carbon emissions cannot be effectively controlled in time, which will cause air pollution.

A battery module is disclosed. According to one embodiment of the present invention, the battery module may include: a housing providing an internal space and having a top plate; a battery cell located within the housing; a first cover located inside the housing, coupled to a lower surface of the top plate, and having a first separation line; and a second cover located inside the housing, coupled to a lower surface of the first cover, and having a second separation line.

According to the technical scheme, the application equipment comprises a stirring box body, a bottom frame is arranged at the lower end of the stirring box body, a fourth belt wheel is arranged outside the right side of the rear end of the bottom frame at the position corresponding to the right side of a third belt wheel, and a bolt piece is arranged at the upper end of the right side of a fertilizer outlet. A stirring motor is arranged in the middle of the left side of the upper end of the stirring box body, a plurality of stirring blades are arranged on the lower side of a motor shaft, a cover plate is arranged on the right side of the upper end of the stirring box body, and an engine is arranged at the upper end of an engine base. First wheels are arranged at the front end and the rear end of the engine base below the first belt pulley, two handles are arranged at the right end of the inner side of the engine base, a plurality of main rotary tillage blades are arranged in the middle of the inner side of the protective shell, a second belt pulley is arranged in the middle of the front end of the protective shell at the front ends of the main rotary tillage blades, and a fender is arranged at the upper end of the protective shell.

The utility model relates to the technical field of hookah, in particular to a hookah capsule which comprises a capsule body and a capsule cover body, a containing cavity used for storing hookah smoking materials is formed in the capsule body, the capsule cover body is arranged on the upper portion of the containing cavity and seals the containing cavity, and an air inlet hole is formed in the edge of the capsule cover body. A boss is arranged in the containing cavity and provided with an air outlet hole used for exhausting air, and a sealing plug is arranged at the air outlet hole. According to the utility model, the air inlet hole and the air outlet hole are matched to quantitatively control the amount of air entering the accommodating cavity and the amount of air exhausted out of the accommodating cavity, so that the air inlet and air exhaust functions of the capsule are designed more reasonably, and the output and taste of smoke are ensured.

The invention relates to the technical field of carbon neutralization, in particular to a carbon neutralization emission management system based on building construction, which comprises a carbon emission management module used for calculating the carbon emission of building raw materials, a construction management module used for calculating the carbon emission of construction equipment, a summarizing module used for calculating the total carbon emission of a current building, and a setting module. Comprising a calculation unit and a carbon sequestration unit which are connected with each other, the calculation unit is used for calculating a carbon emission index of a current building and outputting a comparison result of the carbon emission index and a preset carbon emission comparison index to the carbon sequestration unit, and when a carbon sequestration mode is determined as greening carbon sequestration, the carbon sequestration unit calculates a greening speed determination parameter to determine a greening speed, when the carbon sequestration mode is determined to be reaction carbon sequestration, the carbon sequestration unit calculates a reaction rate determination parameter to determine the carbon neutralization reaction rate. According to the invention, the carbon neutralization efficiency of the construction building is improved.

The invention provides a novel ignition mode for roasting zinc concentrate in a fluidized bed furnace, and relates to the technical field of fluidized bed furnace roasting. The novel ignition mode for roasting the zinc concentrate in the fluidized bed furnace comprises the following steps that firstly, an ignition fixing layer with the thickness of 40 cm is laid, then sulfur with the thickness of 10 cm is laid, and finally wood is laid; secondly, cotton yarn and diesel oil are used for igniting wood, a furnace bottom fan is not started, oxygen is added through natural convection, when the wood is combusted sufficiently, a furnace door is closed, fluidized bed furnace bottom air is slightly added, the air volume is small, and a small part of air passes through a fixing layer; 3, heat is naturally transferred to a fixed layer according to the temperature condition, breeze is added to the bottom layer at the temperature of 190-210 DEG C, breeze is added to the middle layer at the temperature of 240-260 DEG C, breeze is added to the upper layer at the temperature of 340-360 DEG C, the breeze is gradually increased and decreased according to the temperature till the temperature of the fluidized bed furnace is 650 DEG C, and the fluidized bed furnace runs after the temperature stably rises after feeding. The method has the characteristics of good waste gas control, good unorganized emission control, economy, generation of a sulfuric acid product in the ignition process, and easy stabilization of the temperature of a conversion system.

The utility model provides carbonization equipment for a negative electrode material, which belongs to the technical field of carbonization equipment and comprises a carbonization assembly, a base, a box body fixedly connected to the side wall of the base, a carbonization machine main body fixedly connected inside the box body and a door body hermetically mounted on the side wall of the box body, the feeding assembly comprises a frame body installed on the side wall of the base in a sliding mode, a support fixedly connected to the end of the frame body, a connecting piece connected to the side wall of the support in a sliding mode and a supporting plate installed at the end of the connecting piece in a matched mode. The feeding device has the advantages that the carbonization assembly and the feeding assembly are used in cooperation, the feeding efficiency is high, the position of the supporting plate can be flexibly adjusted, the feeding device adapts to carbonization machine body feeding ports of different specifications, the universality of the device is enhanced, the smoke exhaust pipe can drive the impeller to rotate by rotating the handle rod, the smoke exhaust speed can be flexibly adjusted, smooth smoke exhaust is guaranteed, and the service life of the device is prolonged. And flue gas emission is controlled according to actual conditions.

The utility model discloses pit digging equipment for hydraulic engineering, which comprises a pair of brackets, the brackets are Z-shaped structures, a mounting shaft is fixedly connected to the vertical section of each bracket, a pair of connecting plates is rotatably connected to the mounting shaft, the front ends of the connecting plates are connected with digging rollers through rotating shafts, and a conveying mechanism is arranged on the brackets and below the digging rollers. The conveying mechanism comprises a pair of fixed mounting frames fixed to the inner wall of the support, a movable mounting frame is hinged to the front ends of the fixed mounting frames, a crawler belt is assembled through the fixed mounting frames and the movable mounting frame, and abutting rods are fixedly arranged on the two sides of the front end of the connecting plate and hinged to the upper surface of the movable mounting frame. According to the foundation pit digging device, a foundation pit is formed in the ground through friction between the rotating digging roller and the ground, one-time digging forming can be achieved, repeated work is avoided, the digging roller is installed on the rotatable connecting plate, the contact distance and extrusion force between the digging roller and the ground are controlled through rotation of the connecting plate, and therefore the foundation pit digging depth is controlled.

The present invention discloses a gypsum flue gas desulfurization and denitrification wastewater discharge treatment structure, which relates to the technical field of wastewater treatment, including a neutralization reaction tank, wherein a plurality of drainage pipes are arranged on one side above the neutralization reaction tank, a flap which is in pre-contact with the discharged fluid is arranged on one side of the water outlet of the drainage pipe, a lime liquid delivery pipe is arranged above the water outlet of the drainage pipe, a plurality of drainage troughs which match the number of drainage pipes are arranged below the lime liquid delivery pipe, an opening and closing piece for opening or blocking the drainage trough is arranged below the lime liquid delivery pipe, the flap is impacted by the impact force during drainage, so that the flap rotates under the action of the impact force, the flap serves as a power transmission structure, and is used to drive the lime liquid discharge port to open and close, so that the wastewater is mixed with the lime liquid before being discharged into the partition tank, the flap not only serves as a power transmission structure, but also serves to disperse the wastewater which is rushed to contact with the flap, so that the wastewater can be more evenly mixed with the lime liquid.