600 results about "Coke burner" patented technology

The invention relates to a coke oven gas collection system control and evaluation method. The coke oven gas collection system control method comprises the steps of disturbance feedforward control of single gas collection pipe pressure, basic control of single gas collection pipe pressure, pressure head control of a balance gas suction pipe, adjustment of a suction force control range of an air blower and basic control of suction force of the air blower. The coke oven gas collection system evaluation method comprises a coke oven gas collection system evaluation system, wherein the coke oven gas collection system evaluation system comprises an evaluation variable acquisition unit, a data preprocessing unit, a feature extraction unit, a working condition evaluation unit and a feature updating unit; the pressure control device assists operators in fundamentally solving the overall pressure control problem of the gas collection system, ensures that the pressure of the gas collection pipe fluctuates within the range required by the process, ensures the stable work of the coke oven gas collection pipe and the air blower, quickly adjusts the pressure of the gas collection pipe to a stable state, and ensures the safe operation of the whole coke oven gas system.

The invention discloses a masonry robot virtual-real cooperative control method and system based on digital twinning, and aims to realize high-precision and high-safety automatic masonry of a coke oven by a robot. The method comprises the following steps: firstly, constructing a digital twin system of a masonry robot, and setting a masonry robot entity industrial control process: firstly, conveying refractory bricks to a specified photographing position by a brick conveying platform, and then photographing and identifying by a truss clamping jaw; the truss clamping jaw moves to a refractory brick grabbing position for grabbing, and meanwhile, the mechanical arm with the slurry pipe is used for spraying slurry; and after the movable truss moves to the refractory brick placement position, accurate placement is identified. In the virtual-real cooperative control process, the virtual entity model is updated in real time through state information acquired by a sensor of a real system; making and optimizing a control strategy in the virtual environment; and real-time decision making is carried out by utilizing the virtual entity model, so that the operation of the physical entity is adjusted.

The invention discloses an automatic control method for the air introduction amount of a dry quenching furnace, and relates to the technical field of dry quenching, and the method comprises the following steps: collecting CO and H concentration distribution data and dust concentration gradient data in an annular flue of the dry quenching furnace, and boiler inlet temperature and circulating gas flow in real time; establishing a multi-parameter coupled dynamic prediction model, and predicting coke burn-out rates and boiler thermal efficiency under different air introduction amounts; an optimal air introduction amount threshold value is calculated through a model prediction control algorithm; on the basis of the optimal air introduction amount threshold value, the opening degree of an electric valve of an air introduction pipe is dynamically adjusted, meanwhile, displacement compensation of a servo mechanism at the position of an introduction opening in the annular flue is triggered, and an introduction point is made to be located in the optimization interval of the CO concentration, the Hconcentration and the dust concentration all the time; and a self-adaptive correction module is established, when it is detected that coke maturity is abnormal and coke discharge temperature fluctuation is abnormal, a compensation control mode based on deep reinforcement learning is automatically switched, and dynamic prediction model parameters are updated.

The invention relates to the technical field of coke ovens, and particularly discloses a mechanical counterweight type carbonization chamber pressure stabilizing method and device, which comprises a carbonization chamber, a raw gas outlet, an ascending pipe seat, an ascending pipe, a three-way bridge pipe, a water seal cover and a self-adjusting valve plate device, the pressure intensity in a space container among the carbonization chamber, the raw gas outlet, the ascending pipe seat, the ascending pipe, the three-way bridge pipe and the water seal cover is equal to the pressure intensity formed by the weight of the self-adjusting valve plate and the vertical force component of the normal force of the pressure-bearing surface of the self-adjusting valve plate, and the pressure of the carbonization chamber is constant due to the weight of the self-adjusting valve plate. The self-debugging valve plate device is arranged, a self-weight type pressure intensity structure is adopted to achieve control over constant pressure of the carbonization chamber, automatic stability adjustment of constant pressure of the coke oven carbonization chamber is achieved, the self-debugging valve plate device is of a simplified mechanical structure, and reliable adjustment of the pressure of the coke oven carbonization chamber is achieved; the potential safety hazard of electronic component failure under the high-temperature flame working condition is eliminated, and the potential safety hazard caused by misleading control errors is avoided.

The invention provides a collision detection method and device for a claying mechanical arm, and relates to the technical field of coke oven slurry smearing robots, and the method comprises the following steps: S1, obtaining a movement environment data set, and calculating according to the movement environment data set to obtain a modeling parameter set of the claying mechanical arm and a wall body; s2, a modeling parameter and dynamic radius mapping table is obtained, envelope modeling is conducted on the claying mechanical arm and the wall according to the modeling parameter and dynamic radius mapping table and the modeling parameter set, and a bounding box set is obtained; the type of the bounding box comprises a sphere bounding box and a capsule bounding box; s3, selecting two bounding boxes from the bounding box set according to a preset sequence; if the two bounding boxes are both spherical bounding boxes, first-class collision detection is carried out on the two bounding boxes; if one of the two bounding boxes is a sphere bounding box and the other one is a capsule bounding box, carrying out second-class collision detection on the two bounding boxes; if the two bounding boxes are capsule bounding boxes, carrying out third-class collision detection on the two bounding boxes; obtaining a collision detection result; and S4, operation of the claying mechanical arm is controlled according to the collision detection result. By setting three different types of collision detection, high-precision real-time collision detection of the claying mechanical arm is realized on the premise of not increasing hardware complexity, and the safety and reliability of claying operation are remarkably improved.

The invention provides a locomotive driving risk prediction method and system, electronic equipment and a storage medium, and belongs to the field of equipment safety, the method comprises the following steps: obtaining first data, second data and third data, the first data being point cloud data collected by a laser radar on a locomotive, and the second data being point cloud data collected by a laser radar on the locomotive; the second data and the third data are driver images collected by an external camera and a cab camera on the locomotive respectively; performing feature extraction on the first data to obtain a first feature data set; performing feature extraction on the second data to obtain a second feature data set; performing feature extraction on the third data to obtain driver behavior sign data; obtaining a third feature data set related to the driving risk of the coke oven locomotive based on the first feature data set and the second feature data set; and inputting the third feature data set and the driver behavior sign data into a risk early warning model to obtain a driving risk prediction result of the coke oven locomotive. The operation safety and reliability of the locomotive can be improved, and support is provided for intelligent operation.

The invention belongs to the technical field of dry quenching, and particularly relates to a dry quenching RTO accurate control system and method based on a Transform model, and the system comprises a data collection module, a time sequence prediction module, an RTO real-time optimization algorithm module, an edge calculation module and an anomaly detection and alarm module. The method comprises the following steps: firstly, acquiring data in a dry quenching furnace in real time by a data acquisition module, and predicting a key parameter change trend in a dry quenching process by a time sequence prediction module in combination with historical data and real-time data; the RTO real-time optimization algorithm module dynamically adjusts system state parameters according to a prediction result; the anomaly detection module compares the prediction data with the actual data and gives out early warning in time; and an optimization result is issued to the PLC control system in real time through the edge calculation module. Through modular design, the coupling complexity of the dry quenching system and data acquisition, prediction, optimization, control and other modules is reduced, and the energy utilization efficiency is improved by dynamically adjusting the control strategy.

The invention belongs to the technical field of coke oven masonry, and particularly discloses a brick surface targeted slurry laying system and method based on a robot. Comprising a robot; the slurry laying module comprises a feeding unit and a discharging port connected with the feeding unit, the feeding unit is used for conveying slurry with specified pressure to the discharging port, and the discharging port is clamped at the tail end of a robot; the visual module is used for acquiring visual information of the robot, the discharge port and the coke oven masonry; and the control module is used for planning a motion track of the robot according to the visual information, calculating an angle error and a position error of the robot according to an expected pose of the discharge port, and compensating a joint angle and a joint position of the robot according to the angle error and the position error. And the robot drives the discharge port to perform accurate laying on the specified brick surface according to the preset motion trail. According to the invention, multi-face brick directional laying can be realized, and the slurry laying precision and efficiency are high.

The invention provides an intelligent control method and system for pressure of a gas collecting pipe of a coke oven, and particularly relates to the technical field of automatic control of the coking production process. According to the method, a coke oven gas collector pressure measured value and an air blower rear pressure value are obtained in real time, and the gas collector pressure change rate is calculated accordingly. When the pressure change rate exceeds a set threshold value, a feed-forward control amount for adjusting the blower speed or the backflow flap opening degree is generated based on the pressure change rate. Meanwhile, the front suction value of the primary cooler is obtained, and feedback control quantity is generated through a feedback control algorithm according to the deviation between the front suction value and the suction set value. And superposing the feedforward control quantity and the feedback control quantity to generate a final control instruction, and adjusting the rotating speed of an air blower or the opening degree of a backflow turning plate according to the final control instruction, so that the measured pressure value of the gas collecting pipe tends to a target pressure set value. According to the method, control delay caused by medium flowing is eliminated, instant and advanced adjustment is achieved, and the problem that control response is not timely is solved.

The utility model relates to the technical field of coke oven heating, in particular to an economical single-hole combustion chamber temperature adjusting device, which is characterized in that the input end of each heating gas unit I and the input end of each heating gas unit II are respectively connected with a heating gas main pipe; the output end of each first coal gas heating unit and the output end of each second coal gas heating unit are connected with the corresponding combustion chamber, one end of each adjusting unit is connected with the corresponding first coal gas heating unit, and the other end of each adjusting unit is connected with the corresponding second coal gas heating unit. The utility model has the advantages that the structure realizes the communication of the two heating gas main pipes, one regulating valve can be adopted to complete the flow regulation of the two gas heating pipes in the same combustion chamber, and the on-line maintenance and manual regulation are realized by changing the opening position of the T-shaped plug valve; the regulating valve is connected with the stop valve through the three-way connector, it is guaranteed that the regulating valve can be detached at any time when breaking down, and normal production is not affected.

A coke oven heating gas aeration system comprises a recycled gas pipeline, an electric butterfly valve is mounted on the recycled gas pipeline, a gas mixing pipeline is connected to the recycled gas pipeline behind the manual butterfly valve through a first manual gate valve, and the gas mixing pipeline adopts the following two paths of gases for mixing: the first path is nitrogen-rich tail gas produced by ethanol, the second path is nitrogen-rich tail gas produced by ethanol, and the third path is nitrogen-rich tail gas produced by ethanol production; the second path is nitrogen; nitrogen-rich tail gas produced by ethanol is connected to an inlet of a first check valve through a second electric butterfly valve, a fan-shaped blind plate valve and a first flow regulating valve in sequence; nitrogen is connected to an inlet of the first check valve through the second manual gate valve, the first pressure regulating valve, the second check valve and the second flow regulating valve in sequence; an outlet of the first check valve is connected to an inlet of a first manual gate valve through a second pressure regulating valve, a safety valve and a quick switching valve in sequence, and an outlet of the first manual gate valve is connected to a remelting gas pipeline. According to the system, the combustion condition of the coke oven is improved.

The invention relates to the technical field of brick machines, and discloses an extrusion forming device suitable for coke oven glazed bricks, which comprises a feeding mechanism and a forming mechanism, the forming mechanism comprises a forming die, a hydraulic assembly used for extruding and forming raw materials and an ejection assembly used for ejecting brick bodies formed through extrusion. The forming die is provided with a plurality of side-by-side vertically-through forming groove bodies. According to the extrusion forming device for the glazed bricks of the coke oven, through the unique design of the filler assembly, the problems that powder raw materials are prone to accumulation, adhesion, uneven distribution and the like in the automatic filling process are systematically solved; the partition bodies are arranged in the filling hopper, so that the raw materials are accurately and directionally filled into a plurality of parallel forming groove bodies, the consistency and accuracy of the filling amount of each brick body are fundamentally ensured, and the sizes and the densities of finished bricks are uniform as much as possible.

The utility model relates to a blow-off flash steam recovery system for a heat recovery coke oven waste heat boiler, which is characterized in that heat recovery boilers are provided with heat recovery boiler drums, the bottoms of the heat recovery boilers are provided with heat recovery boiler blow-off pipes, and sewage outlets of the heat recovery boiler drums are connected with sewage inlets II of corresponding blow-off flash tanks through pipelines II; a blow-off pipe of the heat recovery boiler is connected with a first sewage inlet of the corresponding blow-off flash tank through a first pipeline, the top end of each blow-off flash tank is connected with an inlet of the steam compressor unit through a third pipeline, and an outlet of the steam compressor unit is connected with the low-pressure steam pipe network through a fourth pipeline. The heat recovery system has the advantages that pollution discharge flash steam of all the heat recovery boilers is recovered through the header pipe, the number of devices is reduced, and investment optimization and operation maintenance of the devices are facilitated; the steam compressor unit sucks flash steam, the flash steam is compressed and boosted to low-pressure steam, the low-pressure steam is connected to a low-pressure steam pipe network through an outlet pipeline of the steam compressor, and white steam caused by blow-off steam diffusion is avoided.

The invention relates to a bracket structure for a chute area of a dry quenching furnace. The bracket structure is formed by building a plurality of layers of bracket bricks; and a plurality of supporting pieces are arranged between every two adjacent layers of bracket bricks, the supporting pieces are hard supporting pieces, the thickness of the supporting pieces is the same as that of mortar joints, the top faces of the supporting pieces make direct contact with the upper layer of bracket bricks, and the bottom faces of the supporting pieces make direct contact with the lower layer of bracket bricks. The supporting pieces are placed in the refractory mortar joints between the bracket brick layers, so that the problems of sinking of the annular air duct and cracking of the chute partition wall caused by deformation of the bracket mortar joints and inaccurate bracket elevation control are effectively prevented, the masonry quality of the dry quenching furnace is improved, and the service life of the dry quenching furnace is prolonged.

The invention discloses a hydrogenation methanol production integrated system based on carbon dioxide capture, and relates to the technical field of methanol synthesis, the system comprises a carbon capture module, a coke-oven gas hydrogen production module, a methanol synthesis tower, a gas-liquid separation module and a methanol storage module, the coke-oven gas hydrogen production module is used for preparing hydrogen, the carbon capture module and the coke-oven gas hydrogen production module are connected with the methanol synthesis tower, the methanol synthesis tower comprises a gas mixing pipe, a heating device and an arc-shaped plate, the heating device is attached to the inner wall of the methanol synthesis tower, and the heating device provides proper reaction temperature for the methanol synthesis tower. A catalyst is attached to the surface of the arc-shaped plate, the arc-shaped plate is used for increasing the contact area of carbon dioxide and hydrogen, the methanol synthesis tower can provide an ideal synthesis environment for methanol synthesis, and methanol separated from gas generated by the methanol synthesis tower is stored in the methanol storage module through the gas-liquid separation module.

The invention discloses a coke oven combustion chamber vertical flue module based on a pouring process and a construction method, the module comprises a first assembly module which comprises a first module main body (1), a partition wall module (2) and a separation layer (5), and a second assembly module which comprises a second module main body (16), a partition wall module (2), a separation layer (5) and an adjustable template for pouring the assembly modules, the adjustable template comprises a positive and negative thread supporting device (6), a wooden wedge (7), a U-shaped clamp (8), an outer die (9), a hole channel core die (10), a first arc groove die (11), a second arc groove die (12), a stepped caulking template (13), an inner die (14) and a bottom die (15), the adjustable template is made of a high-strength metal material, and the adjustable template with enough rigidity and stability is accurately erected according to the actual size of a combustion chamber. According to the module and the construction method, the repairing efficiency, stability and safety of the coke oven combustion chamber are remarkably improved.

The invention relates to the technical field of coke oven heating, in particular to an economical single-hole combustion chamber temperature adjusting device and a control method. The input end of each first heating gas unit and the input end of each second heating gas unit are connected with a heating gas main pipe; the output end of each first gas heating unit and the output end of each second gas heating unit are connected with the corresponding combustion chamber, one end of each adjusting unit is connected with the corresponding first gas heating unit, and the other end of each adjusting unit is connected with the corresponding second gas heating unit. The method comprises the steps of normal working condition control, steam blowing state control and maintenance state control. The device has the advantages that the two heating gas main pipes are communicated, the flow regulation of the two gas heating pipes in the same combustion chamber can be completed by adopting one regulating valve, and online maintenance and manual regulation can be realized by changing the opening position of the T-shaped plug valve; the adjusting valves are connected with the stop valves through the three-way connectors respectively, and the adjusting valves can be detached at any time when breaking down.

The invention relates to a dry quenching tail gas purification chemical engineering control method. The method comprises the following steps: step 1, carrying out grinding and conveying by a grinding and conveying system; step 2, controlling flue gas; step 3, carrying out desulfurization treatment on tail gas; according to the scheme, sodium bicarbonate powder and SO2 in coke oven dry quenching tail gas react, and the problems that in the dry quenching tail gas purification process, the flue gas temperature is unstable, the given amount of sodium bicarbonate fluctuates, and the recycling controllability of solid waste in a bag-type dust collector is not high are solved. And finally, the components of the dry quenching tail gas meet the requirement of environment-friendly emission.

The invention discloses a method for producing ethanol from methanol / dimethyl ether by a one-step method, which comprises the following steps of: reacting carbon dioxide / carbon monoxide and hydrogen-rich gas with at least one reaction substrate selected from methanol, dimethyl ether and a mixture thereof in a reaction solvent containing a catalyst to generate a reaction product containing ethanol; performing gas-liquid separation on the reaction product through flash evaporation to obtain a volatile phase containing ethanol and the like and a non-volatile phase containing a catalyst and a reaction solvent; condensing the volatile phase to obtain a gas mixture and a liquid mixture containing ethanol and the like, and rectifying the obtained liquid mixture to obtain purified ethanol. The hydrogen-rich gas comprises coke-oven gas, synthesis gas, hydrogen and a mixture of the coke-oven gas, the synthesis gas and the hydrogen.

The invention relates to the technical field of refractory materials, and particularly discloses an environment-friendly high-strength thermal insulation castable for the bottom of a coke oven, which is prepared by the following steps: step S1, preparing the following raw materials in parts by weight: 50 parts of mullite porous clinker, 10 parts of superfine silica powder, 16 parts of aluminate cement, 6 parts of deionized water and 0.4 part of additive; s2, carrying out pressure forming; the additive is added, the additive is composed of the functional cementing agent and the modified carbon fiber, the functional cementing agent contains phosphate ester groups, ester groups, benzene rings, a nano-silica structure and epoxy groups, the modified carbon fiber is prepared by oxidizing carbon fiber through a nitric acid aqueous solution, and through the synergistic effect of all the structures, the carbon fiber-modified carbon fiber composite material is prepared. The mechanical strength and the thermal insulation property of the castable are improved.

The invention relates to the technical field of temperature monitoring, in particular to a hearth temperature monitoring device of a heating furnace for waste mineral oil recycling, which comprises a furnace body and a chimney, a burner and a furnace tube are arranged in the furnace body, and the burner is used for heating waste mineral oil in the furnace tube; a movable detection mechanism for monitoring the temperature of the furnace tube is arranged in the furnace body; the movable detection mechanism comprises a movable detection frame arranged outside the furnace tube, the movable detection frame is installed in the hearth through a lifting screw and a guide rod, one end of the lifting screw is fixedly connected with a lifting motor installed outside the furnace body, and the lifting motor is used for driving the movable detection frame to move up and down along the lifting screw and the guide rod. The device has the characteristics of omnibearing and accurate temperature detection, oil product coking prevention and furnace tube damage prevention, and solves the problems that an existing hearth temperature monitoring device is only provided with sensors at several points, the temperature distribution condition of the whole hearth cannot be comprehensively mastered, some local overheated or overcooled areas can be omitted, and coking is caused.

The utility model belongs to the technical field of recovery and ammonia distillation of coke oven products, and particularly relates to a temporary treatment device for tower top ammonia gas of an ammonia distillation tower, which is characterized by comprising an overflow pipe, an ammonia condensate tank and a heat tracing device, one end of the overflow pipe is connected with a top outlet of the ammonia distillation tower, the other end of the overflow pipe is connected with a chimney, and the overflow pipe is an inverted n-shaped pipe body; the ammonia condensate tank is arranged at the lowest point of the overflow pipe; the access point of the overflow pipe and the chimney is not higher than 40% of the total height of the chimney; a heat tracing device is arranged on the inner side and / or the outer side of the overflow pipe. Compared with the prior art, the device has the beneficial effects that as a temporary measure, when a follow-up unit cannot be normally put into use at the initial working stage, the ammonia gas is connected into the chimney through the temporary pipeline, cooling equipment and treatment equipment are not additionally arranged, the temporary emission of the ammonia gas at the top of the ammonia still is realized, and the ammonia gas is emitted after being diluted by gas in the chimney; the environmental pollution is reduced; and an original pipeline can be transformed, and the practicability is high.

The utility model relates to a drilling device for transverse pipes of a coke oven basement. The drilling device comprises a transverse pipe fixing bracket, a horizontal guide rail, an adjustable support, a drilling assembly and a protection assembly. The two groups of horizontal pipe fixing brackets are respectively arranged at the two ends of the horizontal pipe; the horizontal guide rail is parallel to the horizontal row pipe, the drilling assembly is arranged on the horizontal guide rail through an adjustable support, and the drilling assembly can transversely move along the horizontal guide rail through the adjustable support and can vertically move in the height direction; the drilling assembly is composed of three sets of drilling mechanisms arranged at intervals in the longitudinal direction of the horizontal guide rail. The protection assembly comprises protection covers arranged on the outer sides of the drilling mechanisms in a one-to-one correspondence mode. As a special drilling device, the drilling device disclosed by the utility model is suitable for on-site processing of coke oven basement horizontal pipes of different models, and can effectively improve the on-site processing and manufacturing efficiency of the horizontal pipes, save the labor cost and shorten the manufacturing period while ensuring the processing precision.

The utility model relates to a positioning device for processing a three-way pipe of a coke oven, which comprises a bottom plate, a bracket, a vertical rotating shaft, a horizontal rotating disc, a vertical pipe, a sliding rail, a sliding block and a nut, the nut is connected with a screw rod, the screw rod is rotatably arranged on the bottom plate, a supporting plate is fixed at the top of the nut, and a transverse rotating shaft is rotatably arranged on the supporting plate. A vertical rotating disc is fixed to the right end of the transverse rotating shaft, the horizontal rotating disc is fixedly connected with the transverse pipe through a second fixing piece, a first holding mechanism is arranged at the bottom of the vertical rotating shaft, and a second holding mechanism is arranged at the left end of the transverse rotating shaft. According to the utility model, the vertical pipe can be fixed on the horizontal turntable through the fixing piece I, then the transverse pipe is fixed on the vertical turntable through the fixing piece II, and then the distance between the transverse pipe and the vertical pipe is adjusted by rotating the screw rod, so that the welding positions of the vertical pipe and the transverse pipe are conveniently butted and positioned; and after positioning, the first holding mechanism and the second holding mechanism hold the vertical rotating shaft and the transverse rotating shaft, one-person welding is facilitated, manpower is saved, and the welding quality is better.

The invention provides a conversion system and a conversion process for preparing methanol from coke oven gas, and relates to the technical field of processes for preparing methanol from coke oven gas. The conversion system for preparing methanol from coke oven gas comprises an oxygen supply module at least provided with an air separation oxygen supply unit and an oxygen supply compressor which are communicated with each other; a mixing module having at least a first mixing unit and a second mixing unit; and the conversion module is communicated with the first mixing unit and the second mixing unit. Wherein the oxygen supply compressor is further communicated with a liquid oxygen supply unit, and the liquid oxygen supply unit is used for supplementing supplied oxygen; the first mixing unit is communicated with the oxygen supply compressor, and the first mixing unit is communicated with a steam generator and carbon dioxide supply equipment; the second mixing unit is communicated with the steam generator and the coke-oven gas compressor; the first mixing unit is provided with a first heating device; and the second mixing unit is provided with a second heating device. The conversion rate of methanol synthesized from coke oven gas can be improved.

A method of repairing or replacing a roof of a coke oven battery in operation, said coke oven battery including a number of parallel coking chambers separated by heating walls and delimited on top by a ceiling, itself covered by a roof, the roof having for each coking chamber a number of charging holes or gas transfer holes above the coking chamber, a number of inspection holes above the separating heating walls, one or two base rings connected to one or two gas collecting mains and rail sleepers supporting rails for a coke charging car or charging gas transfer car through an ascension pipe. A kit of parts with construction modules and the use of such kit of parts in the repairing or replacing of a roof of a coke oven battery in operation and or with at least one oven empty in hot condition is also related.

The utility model discloses a coke oven masonry machinery arrangement carrier which comprises a supporting plate, a box body, a sliding strip, an air inlet pipe and a box door, buffer wheel mechanisms are arranged on the periphery of the lower end of the supporting plate, the box body is arranged in the middle of the upper end of the supporting plate, air inlets are formed in the upper portion and the lower portion of the inner wall of the left side of the box body, and a drying machine is arranged in the middle of the upper end of the box body. An air inlet pipe is arranged on the lower portion of the left side wall of the dryer. The device is reasonable in structural design, and the buffer wheel mechanism is arranged, so that the whole device can be conveniently moved, manual transportation is avoided, meanwhile, precise elements for coke oven masonry can be conveniently transported in a buffer mode, and damage caused by vibration in the transportation process is avoided; a screw rod, a nut, a second spring and an abutting seat are arranged, so that surveying and mapping precision elements of different sizes can be fixed and abutted, and damage caused by shaking of the precision elements is avoided; by arranging the dryer and the ventilation opening, the interior of the box body can be dried and ventilated, and the precision elements are prevented from being affected with damp to affect normal use.

The utility model belongs to the technical field of coal coking equipment, and particularly relates to a carbonization chamber pressure regulating valve and a pressure regulating system.The carbonization chamber pressure regulating valve comprises a valve body and an executing mechanism, and the valve body comprises an inner cylinder, an outer cylinder, an upper port and a lower port; the inner cylinder and the outer cylinder are coaxially arranged and fixedly connected together through the upper port, the lower port is fixedly connected with the bottom end of the outer cylinder, the upper port, the outer cylinder and the lower port form a valve body shell, the upper port, the inner cylinder and the lower port form a valve body channel, and the valve body channel is communicated with the valve body shell. And a driving turning plate and a driven turning plate are arranged between the inner barrel and the outer barrel. The pressure regulating valve is favorable for solving the technical problems that the pressure regulating valve in the pressure regulation of the coking chamber of the existing domestic coke oven is relatively high in boundary dimension, is not convenient to install and apply, is not smooth to open and close, is easy to block and burn a driving part, and is low in control precision.

This utility model discloses a tamping-type coking oven gas collection device. A gas collecting pipe and a negative pressure pipe are installed at the top of the coking oven. The negative pressure pipe connects to a heat energy cascade recovery assembly, a spray device, and a filter assembly. The valve at the front end of the negative pressure pipe is automatically flipped by a combined drive assembly. The combined drive assembly uses a baffle, slide rod, and rack and pinion linkage to drive the valve using gas pressure, with a spring assisting in reset, achieving dynamic pressure balance in the system. The screw can adjust the initial opening of the valve. The heat energy cascade recovery assembly includes high-temperature, medium-temperature, and low-temperature heat exchangers, increasing the gas heat energy recovery rate to 60-70%. The filter assembly uses a porous ceramic layer and a molecular sieve layer to effectively remove micron-sized particles and molecular-level impurities. This device requires no additional power, can precisely control pressure, efficiently recover heat energy, and purify gas, solving problems such as energy waste, pressure runaway, and insufficient filtration in traditional devices. It improves the safety and economy of coking oven operation and is suitable for tamping-type coking oven gas collection.

The invention relates to the technical field of methods special for coke oven masonry, in particular to a dynamic dustproof construction method in a coke oven combustion chamber masonry process, which comprises the following steps: arranging a first flexible isolation layer; a protection device is installed in the combustion chamber, the position of the protection device is periodically adjusted along with the laying progress, the protection device is removed after laying is conducted to a third height, the first flexible isolation layer is broken after being cleaned, and a second flexible isolation layer is laid; after the combustion chamber overhead building is completed, dust on the second flexible isolation layer is cleared and then broken, and a top opening of the combustion chamber is subjected to top sealing protection; in the follow-up masonry process, top sealing protection is updated regularly till masonry is completed; according to the method, dynamic segmented protection is achieved, whole-course dust prevention is achieved by laying the flexible isolation layer in stages and dynamically adjusting the protection device, and a cleaning blind area of one-time protection in a traditional method is avoided. The protection device does not need to be disassembled and assembled repeatedly along with improvement of the masonry progress, and the construction efficiency is improved.