353 results about "Steam pressure" patented technology

The present application provides a dynamics analysis method for an ammonia combustion refrigeration system in large park cooling. The method comprises: on the basis of a geometric structure of an ammonia combustion chamber and a fuel supply amount, calculating the heat generated by ammonia combustion and analyzing the heat transfer mode between the combustion chamber and a desorption tower, the heat transfer mode comprising direct contact type heat transfer and partition type heat transfer, and simulating the heat transfer process to obtain and draw the heat flux distribution of the tower wall surface; on the basis of the flow state and a relationship curve between the pressure drop and the flow velocity, analyzing the desorption process of a refrigerant in a solution, and on the basis of the concentration of the solution, a boiling point of the refrigerant, and the vapor pressure, calculating local desorption rates at different positions in the desorption tower and the refrigerant vapor generation amount; and on the basis of the heat flux distribution, calculating the temperature distribution of the solution, and analyzing the heat transfer and mass transfer processes in the desorption tower to obtain a local heat transfer coefficient and the mass transfer efficiency distribution of the surface of a filler.

The invention discloses a thermal power generating unit coordination control data and mechanism hybrid modeling method and device, computer equipment and a computer readable storage medium, and relates to the technical field of thermal energy engineering and power system modeling and control. Establishing a high-precision dynamic mechanism model of the working medium flow and heat transfer process of the boiler-steam turbine system; then, constructing an error correction model fusing the long-short-term memory network, the convolutional neural network and residual connection; and finally, fusing the mechanism model and the error correction model through parallel computing to form a dynamic hybrid model with physical interpretability and high precision. Through the hybrid modeling strategy, the prediction accuracy of key parameters such as the main steam pressure, the separator outlet steam enthalpy value and the unit load in the wide load range, especially under the dry-state operation working condition is remarkably improved, and a reliable model basis is provided for designing an advanced unit coordination control system.

The utility model discloses a steam cleaning head and a steam cleaning machine thereof, and belongs to the technical field of steam cleaning, the steam cleaning head comprises a connecting rod, a steam channel for steam to pass through is arranged in the connecting rod, a flywheel is arranged on the connecting rod, the connecting rod is connected with a spray head through the flywheel, and a plurality of steam spray holes are formed in the spray head. And the flywheel rotates on the connecting rod under the action of steam pressure, and drives the spray head to rotate together during rotation. According to the structure, the flywheel and the spray head can be driven to rotate together by utilizing the air pressure of steam, so that the steam can be rotationally sprayed out on a plurality of steam spray holes in a large area, the defects that in the prior art, the steam can only be sprayed out in the specified direction and position, and the spraying area is small are overcome, all corners of a cleaned object can be in contact with the steam, and the cleaning efficiency is improved. Therefore, a user can clean the cleaned object in a large area without manual reciprocating movement, the use convenience of the user is improved, and the cleaning effect can be improved.

The invention belongs to the technical field of flexibility improvement and transformation of coal-fired power generation, and discloses a multi-parameter optimization method for optimizing equivalent electricity-electricity efficiency of an electric heating fused salt heat storage pure condensing power generation system, which comprises the following steps of: firstly, determining a fused salt heat storage medium temperature interval, a steam generator heat transfer structure and key parameters of a power generation subsystem; the main steam pressure, the reheating steam extraction pressure and the like are used as optimization variables; secondly, on the basis of thermodynamic feasibility and equipment safety, setting boundary conditions such as main steam pressure grading limitation, a deaerator operation boundary, a fused salt thermal stability threshold value and a heat exchanger heat transfer economical efficiency constraint; then, the heat exchange power of a steam generator is calculated through the reference working condition, the cold and hot salt design temperature and the heat exchange area are determined by combining the fused salt heat exchange temperature difference, and the fused salt mass, the heat storage tank volume and the electric heater power are calculated according to heat absorption and release balance; and finally, iteratively optimizing the key parameters by adopting a multi-parameter optimization algorithm until the equivalent electricity-electricity efficiency is optimal. The problems that in a traditional method, parameter collaboration is poor, constraint conditions are ignored, and global optimization is insufficient are solved, the operation efficiency and economical efficiency of the electric heating fused salt heat storage pure condensing power generation system are remarkably improved, and green and sustainable development of energy is facilitated.

The invention provides a cooperative control method suitable for a thermoelectric unit, and relates to the technical field of thermoelectric units, and the method comprises the steps: constructing a machine-furnace coupling nonlinear state space model, designing a dynamic heat storage state observer, calculating a heat storage state index in real time to quantify the transient energy profit and loss of the unit, and building a multi-objective optimization function. And a dynamic weighting factor based on the index is introduced, the factor guides the controller to automatically switch strategies under different working conditions according to the priority of the real-time energy state, the intelligent balancing load response speed and the main steam pressure stability, and finally, a nonlinear model predictive control algorithm is adopted to solve in a rolling time domain, so that the real-time energy state is obtained. According to the method, the optimal steam turbine control valve and fuel quantity control increment is obtained, decision-making level deep cooperation of a turbine-boiler system is effectively achieved, the problem of divergence control under deep peak regulation is solved, the frequency modulation potential of a unit is released to the maximum extent on the premise that absolute safety of pressure is guaranteed, and the response rate of a power grid is increased.

The invention discloses steam turbine high-low pressure bypass heat supply equipment, which relates to the technical field of heat energy engineering and power machinery, and comprises a signal acquisition module, an offset early warning module, a correction control module and a stable operation module, and constructing a time anchor point set, and generating a phase residual frequency spectrum for identifying a steam flow fluctuation source. According to the method, signals are collected through a unified time base line, a steam fluctuation source is identified in combination with a phase residual frequency spectrum, an impact track is reconstructed through phase conjugate inversion, and an overtemperature risk window is identified. Feedforward correction control is generated through track playback and predictive mapping, real-time rearrangement of valve behaviors is achieved, and the operation stability and the overtemperature resistance of the steam turbine under the deep peak regulation and disturbance conditions are improved.

The invention discloses a turbine generator set power oscillation emergency valve switching control method, system, equipment and medium based on a thermodynamic model, and belongs to the technical field of electric power system automation control and thermal energy power engineering, and the method comprises the steps: monitoring the operation state of a set in real time, and collecting the current data of the set; calculating a theoretical balance valve position required for maintaining the current target power in real time by using the corrected inverse thermodynamic model; and the power fluctuation condition is monitored in real time, when it is detected that power oscillation happens to a unit and valve cutting logic is triggered, the system intercepts a conventional feedback instruction for tracking the actual valve position, the theoretical balance valve position is directly used as a target instruction, and a control valve is forcibly driven to act to the valve position through a rate limiter. According to the method, it can be ensured that after closed-loop control of the unit is cut off, the valve rapidly returns to the physical balance opening degree matched with the current load, an oscillation source is effectively eliminated, severe fluctuation of main steam pressure and temperature is stabilized, and the safety and stability of the unit under the abnormal working condition are remarkably improved.

The invention relates to a steam pressure cooker with a combination valve and a floating check valve, the steam pressure cooker comprises a cooker body, a cooker cover, a steam inlet valve, a steam release valve, the combination valve and the floating check valve, the steam inlet valve and the steam release valve are both arranged on the barrel wall of the cooker body and are communicated with the interior of the cooker body, a steaming box is suspended in the cooker body, and a cooker cover locking ring capable of locking the cooker cover and the cooker body is arranged on the outer side of the cooker cover. A first through hole and a sixth through hole are formed in the cooker cover, the combination valve is arranged in the first through hole, the top and the bottom of the combination valve extend out of the first through hole, and the floating check valve is arranged in the sixth through hole. The steam cooker has the function of heating or cooking through steam, and has the advantages of being good in heat preservation effect, convenient to operate and high in safety and having the self-locking function.

The invention relates to the technical field of operation monitoring and fault diagnosis, in particular to an intelligent power plant operation parameter online anomaly detection and diagnosis method, which comprises the following steps: S1, collecting operation parameters of a boiler, including temperature, steam pressure and feed water flow; s2, calculating a dynamic coupling strength value based on the operation parameters collected in the S1; s3, comparing with a preset standard range, identifying an abnormal coupling strength value exceeding a deviation range, and marking a corresponding abnormal parameter combination; s4, performing reverse path tracking through the parameter coupling relation map, and positioning root parameters causing abnormal coupling; and S5, matching a preset fault knowledge base to generate a diagnosis report. According to the invention, through organic combination of multi-parameter synchronous acquisition, dynamic coupling analysis, abnormity identification and traceability diagnosis, accurate monitoring of the operation state of the intelligent power plant boiler and rapid positioning of the fault are realized.

This invention relates to the field of thermal power generating unit operation control, and discloses a method for coordinated control of coal consumption and low-NOx emissions in supercritical units. The method includes: collecting operating data such as unit load, coal feed rate, air volume, furnace outlet oxygen content, CO concentration, SCR inlet NOx concentration, SCR outlet NOx concentration, ammonia injection rate, and main steam pressure; dividing the control cycle according to the load change rate and the lag state of heat release into the furnace; generating candidate coal consumption optimization actions within the steady-state control cycle, and performing low-NOx margin verification and burnout constraint verification; when the verification fails, it is determined to be a low-NOx coal consumption conflict state, restricting the reduction of oxygen content and total air volume, and sequentially performing secondary air layer distribution correction, burnout air opening correction, main steam pressure setting compensation, and ammonia injection feedforward correction; after the control action is executed, the corresponding action is maintained, rolled back, or frozen based on the retest results. This invention can improve the synergy between coal consumption control and low-NOx emission control.

The utility model relates to the technical field of pipeline construction, in particular to a movable steam blowing device for installing a small pipeline, which comprises a movable trolley and a protective frame, a steam generator and a water tank are arranged on the movable trolley, a water supply pump is arranged on the water tank, a surge tank is arranged on the steam generator, and the surge tank is connected with the protective frame. A safety valve and a barometer are arranged on the surge tank, and a purging valve is arranged on one side of the surge tank; the steam generator comprises a heating cavity and a boiling cavity, the interior of the heating cavity is in an inverted concave shape, a preheating device is arranged at the bottom of the heating cavity, the boiling cavity is located on the upper side of the heating cavity, the boiling cavity and the heating cavity are communicated through a pipeline, and a temperature control assembly is arranged in the boiling cavity; the steam blowing small pipeline is adopted, the steam generator is provided with the heating cavity and the boiling cavity, water heating is separated, efficiency is improved, meanwhile, the pressure stabilizing tank is arranged, steam pressure fluctuation is reduced, pressure storage and pulse blowing can be achieved, and functionality and practicability of equipment are improved.

The invention discloses a veterinary drug production steam monitoring system and method, and relates to the technical field of veterinary drug production steam monitoring, and the method comprises the steps: collecting an original data set containing real-time steam pressure, saturated steam temperature and steam dryness instantaneous values through a plurality of sensing nodes disposed in a steam pipe network; inputting the pressure and temperature data into a steam state calculation model, and generating a steam specific enthalpy value, an entropy value and a superheat degree value of each pipe section of the pipe network; starting a periodic dryness compensation process according to the comparison of the dryness instantaneous value and historical data, and generating a dryness adjustment instruction sequence based on the current working condition; and constructing a steam energy distribution diagram by using the obtained thermodynamic state parameters, performing dynamic optimization by combining a dryness adjustment instruction sequence, and finally generating steam supply strategies for different production links. According to the method, global reconstruction of the thermodynamic state of the pipe network and prospective dynamic regulation and control of the steam dryness are achieved, and the accuracy and stability of steam energy utilization in the veterinary drug production process are improved.

The invention discloses a thermal power plant deep peak regulation coordination control system and method based on multi-objective optimization, and relates to the technical field of thermal power plant peak regulation control, and the method comprises the steps: collecting the coal feeding amount adjustment historical record information and the main steam pressure value change data of a boiler monitored during the coal feeding amount adjustment in the past; performing information regularization processing on the collected data to generate a plurality of matched data sets, analyzing a main steam pressure response data fluctuation coefficient corresponding to a random coal feeding variable quantity according to the matched data sets, and generating training data of an air supply control reference interval and an air supply control second reference model; after fitting training is conducted on the training data, a second air supply control reference model is established, deep peak regulation control over the thermal power plant is conducted by adjusting the coal feeding amount, an air supply control reference interval or the second air supply control reference model is selected for air supply time control, and air-coal coordination control is conducted; and the probability that the air supply system cannot change along with the coal feeding amount in time during deep peak regulation is effectively reduced.

The utility model discloses a steam box with an energy recovery function. Comprising a support and a steam box fixed on the support and further comprises a steam generator, a pressure relief main pipe connected with the steam generator and a steam heat exchanger connected with the pressure relief main pipe through a first pressure relief branch pipe, and each steam chamber of the steam box is connected with the steam generator through a steam pipe. Each steam chamber of the steam box is further connected with a pressure relief main pipe through a second pressure relief branch pipe, the second pressure relief branch pipe is connected with a one-way valve, the steam pipe is provided with a steam valve, the outlet end of the pressure relief main pipe is connected with a pressure relief valve, and the end, located on the steam generator, of the pressure relief main pipe is connected with a steam speed increasing pump. During operation, the steam heat exchanger is used for recovering latent heat of bled steam, energy waste is avoided, and energy recycling is achieved; the steam speed increasing pump ensures stable circulating supply of steam, the steaming quality is guaranteed, all valves are reasonably arranged, the pressure and the flow direction of the steam are effectively controlled, and equipment damage and safety accidents are prevented.

The utility model relates to a conditioner steam jet which comprises a steam rod, a taper hole is formed in the front end of the steam rod, a step hole is formed in the steam rod, the small end of the taper hole is connected with a small hole of the step hole, an adjusting rod is arranged in the step hole, and a taper head matched with the taper hole is arranged at the front end of the adjusting rod. A compression spring for pushing the adjusting rod to reset is sleeved on the adjusting rod in a large hole of the stepped hole, and the rear end part of the large hole of the stepped hole is connected with a steam inlet pipe. According to the utility model, the movable adjusting rod is arranged in the steam rod, and the adjusting rod is pushed to move forwards by utilizing steam pressure, so that the conical head is separated from the conical hole, and steam is sprayed into the conditioner at a high speed; when steam injection is stopped, the compression spring pushes the adjusting rod to move backwards and reset, and the conical head is attached to the conical hole again, so that feed raw material particles can be effectively prevented from entering the steam rod to cause blockage, the stability of the air injection amount is ensured, and the conditioning effect is improved.

The invention relates to the technical field of fuel ratio regulation and control, in particular to a fuel self-adaptive ratio regulation and control method for a waste multi-fuel combustion boiler, which comprises the following steps of: obtaining combustion characteristic parameters of various fuels, calculating combustion performance values of the various fuels, grouping and dividing the fuels according to the combustion performance values, and regulating and controlling the fuel ratio of the waste multi-fuel combustion boiler. Calculating a difference value of two groups of fuel combustion performance mean values to obtain an initial performance difference value, determining a fuel proportioning parameter according to the initial performance difference value, monitoring and analyzing temperature data and waste gas emission amount data in a boiler operation process, calculating a temperature fluctuation value and a waste gas emission fluctuation value to obtain a combustion quality influence coefficient, and calculating a combustion quality influence coefficient according to the temperature fluctuation value and the waste gas emission fluctuation value; collecting a steam pressure oscillogram and feed water flow in equipment operation parameters, calculating a steam pressure fluctuation value and a feed water flow fluctuation value to obtain an equipment operation influence coefficient, performing weighted fusion on the combustion quality influence coefficient and the equipment operation influence coefficient to obtain a comprehensive influence value, and performing calibration analysis on an initial performance difference value according to the comprehensive influence value; therefore, the self-adaptive regulation and control of the fuel ratio parameters are realized.

The utility model relates to a kind of rectifying column of low-grade fluorite preparation anhydrous hydrogen fluoride.The rectifying column of low-grade fluorite preparation anhydrous hydrogen fluoride includes tower body, tower body is equipped with tray, tray includes plate body, plate body upper side is equipped with overflow plate, plate body between two overflow plates is equipped with steam passage, plate body is equipped with downcomer, steam passage is equipped with steam pipe, plate body upper side is equipped with cover cap covering steam pipe upper side, cover cap is equipped with steam outlet, the inboard of cover cap is equipped with adjusting ring, plate body is equipped with the guide rod moving up and down, the upper end of guide rod is fixedly connected with adjusting ring, the lower end of guide rod extends plate body lower side and is fixedly connected with push plate, and reset spring is equipped between guide rod and plate body lower side face.The utility model can increase the steam area of steam outlet when steam pressure rises, thereby relieving steam pressure rise, avoid the evaporation temperature rise caused by steam pressure rise, and increase the indirect contact between steam and hydrofluoric acid, improve rectification efficiency.

The application discloses a layered collaborative control method for auxiliary deaerator pressure stabilization of a molten salt steam generator, builds an auxiliary optimization control layer on the original coordination control system of the unit, and forms a layered collaborative architecture of "MPC optimization decision-CCS execution tracking". The upper layer calculates and rolls over the optimal set values of the molten salt steam pressure, the deaerator pressure and the feedwater temperature in real time based on model predictive control (MPC); the lower layer realizes fast and stable tracking of the set values through three control loops of cascade-ratio control, three-impulse collaborative control and PID control embedded in CCS, and is seamlessly coordinated with the original feedwater and combustion control logic of the unit. The application effectively solves the problems of multivariable strong coupling, large response inertia and strong mode switching impact of the coal-molten salt coupling system in deep load regulation, significantly improves the load response speed, operation safety and low-load economy of the unit, and enhances the accommodation capacity of the power system to new energy.

The utility model provides a pouring device for steam pressurized concrete block production, which comprises a grouting tank, a discharging hopper is arranged at the discharging end of the grouting tank, the pouring device comprises a pouring pipe, the feeding end of the pouring pipe is communicated with the discharging hopper, and an extension pipe is inserted in the periphery of the pouring pipe; the utility model relates to the technical field of pouring devices, an output end of a telescopic piece drives a connecting rod to move downwards, the connecting rod is connected with a discharging end of an extension pipe, the extension pipe drives the flow dividing shell to extend into a cavity of an external mold so as to shorten the falling distance of slurry, and slurry outlets are formed in the two ends of the flow dividing shell. The connecting rod drives the flow dividing shell to move downwards into the inner cavity of the forming mold, slurry splashing is prevented by changing the discharging height of the slurry injection tank, the situation that splashed slurry is solidified around the mold and inconvenient to clean is prevented, and waste of the slurry is reduced.

This application relates to the field of nuclear energy science and engineering, and particularly to a method and system for controlling feedwater in a direct-current steam generator. The control method includes: establishing a first mapping relationship between feedwater pressure and feedwater flow rate of the pump-valve system based on collected operating parameters of the direct-current steam generator; obtaining a steam pressure deviation value based on the current steam pressure value and the steam pressure setpoint; obtaining a steam superheat deviation value based on the current steam pressure value, the current steam temperature value, and the steam superheat threshold of the direct-current steam generator; obtaining the required feedwater pump speed and the required feedwater valve opening value based on the steam superheat deviation value, the steam pressure deviation value, and the first mapping relationship; and adjusting the feedwater pump to the required speed value and the feedwater valve to the required opening value. This application provides a method and system for controlling feedwater in a direct-current steam generator to solve the problem in related technologies of the inability to quickly and accurately control the outlet steam parameters of a direct-current steam generator.

The application discloses a 350MW supercritical non-deaerator unit external steam supply system and method, and mainly relates to the technical field of steam extraction and heat supply of thermal power generating units; the system comprises an external steam pipeline extracted from a reheating hot section, a two-stage steam extraction pipeline for maintaining the temperature of feed water, a high-pressure bypass for maintaining the stability of main steam pressure, a low-pressure bypass for stabilizing the pressure of a steam supply source, and a system cooperative control module; one end of the two-stage steam extraction pipeline is connected with a #2 high-pressure heater, and a steam extraction check valve and a steam extraction electric valve are arranged on the two-stage steam extraction pipeline; the system cooperative control module is used for cooperatively adjusting the opening degree of the high-pressure bypass, the opening degree of the low-pressure bypass, the coal supply amount of the boiler and the feed water amount; the application can realize safe, stable and efficient supply of external industrial steam under the condition of "stopping the unit without stopping the boiler".

The application discloses a drainage system applied to flexible operation of a supercritical coal-fired boiler. The application is characterized in that a temperature sensor group and a drainage pipe are arranged on a lateral wall inlet header of a horizontal flue, and an electric regulating valve on the drainage pipe is controlled according to a first temperature signal and a second temperature signal measured by the temperature sensor group and a main steam pressure signal and a main steam flow signal taken from a boiler automatic control system, so that the condensed accumulated water in the header is discharged to a boiler drainage expander through the drainage pipe, and the condensed accumulated water in the inlet header of the superheater is prevented from causing water blockage in the header, thereby ensuring normal use of the pipeline and safe operation of the boiler.

The application provides a steam pressure aerated concrete block prepared from phosphogypsum and a method, and belongs to the technical field of resource utilization of bulk solid waste. The method directly uses dry desulfurization phosphogypsum generated in flue gas purification of smelting silicon industry to replace natural gypsum in full amount, and prepares high-performance steam pressure aerated concrete blocks, and provides an industrial production method. The method realizes the consumption of industrial solid waste in bulk, guarantees the mechanical properties, size stability and long-term durability of the final product, thereby promoting the steam pressure aerated concrete industry to complete the resource utilization task of solid waste in high quality, and creating significant environmental, economic and social benefits.

The invention discloses a steam pump auxiliary steam source pressure adjusting system and a control method thereof. The steam pump auxiliary steam source pressure adjusting system comprises a steam source access module, a pressure obtaining module, an adjusting execution module, an adjusting coordination unit, a steam source soft switching module and a pressure stabilizing module. According to the pressure regulating system for the auxiliary steam source of the steam pump, through the synergistic effect of the steam source access module and the pre-filling unit, the output pipeline is supplemented with pressure in advance when the main steam pressure tends to drop, sudden drop of the pressure of a downstream pipeline is effectively avoided, steam supply continuity is guaranteed, and energy consumption is reduced. The pressure acquisition module forms closed-loop feedback through a near-end pressure acquisition unit and a far-end pressure correction unit, so that the adjustment execution module can quickly adjust the output pressure of main steam and standby steam according to a real-time deviation signal, and the adjustment coordination unit dynamically distributes the opening degree through a weight balance unit to form master-slave linkage control. Therefore, the overall adjustment response speed and precision are improved.

This invention discloses a differential control method and system for the main steam pressure process signal. The method involves acquiring the main steam pressure process signal of a thermal power unit, subtracting the main steam pressure process signal from a second integral signal output by a second integrator using a first subtractor to generate a feedback output signal, integrating the feedback output signal using the first integrator to obtain a first integral signal, integrating the first integral signal using a second integrator to obtain a second integral signal, processing the second integral signal using an adjustable proportional control module to obtain an adjustable proportional control signal, and processing the main steam pressure process signal and the adjustable proportional control signal using a second subtractor to obtain a cosine-type tracking differential signal. This invention improves the differential tracking efficiency of the main steam pressure process signal by subtracting the main steam pressure process signal from the corresponding adjustable proportional control signal.

According to the energy-saving system of the coal-fired boiler, when the boiler operates at a low load, part of steam generated during operation of the boiler is used for heating secondary air by arranging the secondary air heater, so that combustion of fuel in a hearth is stabilized, meanwhile, the temperature of flue gas at an outlet of the economizer is increased, and energy is saved. The inlet flue gas temperature of the SCR denitration device can meet the requirement of low-load commissioning; meanwhile, the steam pressure reducer and the sludge drying device are arranged, part of steam generated during operation of the boiler is extracted to be subjected to pressure reduction through the steam pressure reducer to be used for drying the sludge, the dried sludge is input into the boiler to be mixed with pulverized coal for combustion, and the coal combustion cost is saved. According to the device, through cooperative use of the equipment, secondary air can be heated when the boiler is in low load, and the combustion stability of the boiler is improved; and sludge can be blended and burnt under high load, so that the fuel cost is reduced.

The invention relates to the technical field of traditional Chinese medicine extraction equipment, and discloses an automatic jacket steam pressure adjusting device for an extraction tank. The jacket is provided with a steam inlet; the steam supply mechanism comprises a steam conveying pipeline and a steam buffer tank; an air inlet and an air outlet are respectively formed in the top of the steam buffer tank and are respectively butted and communicated with the steam conveying pipeline. By utilizing the volume characteristic of the inner cavity of the steam buffer tank, redundant steam is contained when the steam pressure in the jacket has a peak value, and stored steam is released when the pressure is valley value, so that the pressure pulsation in the steam conveying pipeline is effectively stabilized, the system response time is shortened, the temperature instability caused by pressure fluctuation is avoided, and the steam conveying efficiency is improved. Therefore, the impact of thermal inertia on the temperature of the liquid medicine is fundamentally reduced, the thermodynamic stability in the extraction process is ensured, and the problem that in the prior art, a jacket steam heating mode causes irreversible damage to heat-sensitive components in the extraction tank is solved.

The utility model discloses a steam pressure adapter, including the adapter casing with steam chamber, be located in the multiple injector of casing, the injector is along the axis direction of matching casing and arranges periphery, is provided with the mixing cavity in the injector, the injector still is provided with the mixing channel respectively with the communication of mixing cavity and steam chamber, still be provided with the adjusting assembly for the plugging of mixing channel in the steam chamber, and adjusting assembly is by a plurality of regulating valve, and the regulating valve includes the plate that is used for driving regulating valve and goes up and down the lifting link of rotation connection with the plate of lifting, and the top of regulating valve has the pushed part, and the top wall in the steam chamber is fixed with the guide convex part, and the guide convex part is located the pushed part directly above. After one injector keeps long time work, can make the plate rotate, make another injector carry out long time work to make different injector all carry out certain loss, and avoid the serious loss of certain injector, and improve the service life of steam pressure adapter indirectly.

The utility model relates to the technical field of mounting lifting appliances, and discloses a mounting lifting appliance for autoclaved lightweight sand aerated concrete battens, which comprises a clamp, a pull rod is fixedly connected to the top of the clamp, an anti-skid plate is slidably connected to the bottom of the inner wall of the clamp, a first clamping head is fixedly connected to one side of the anti-skid plate, and a second clamping head is fixedly connected to the other side of the anti-skid plate. A mounting frame is arranged on one side of the clamp, the first clamping head is slidably connected with the inner wall of the mounting frame, a brace penetrates through and is slidably connected to the rear end of the middle of the clamp, a second clamping head is fixedly connected to the front end of the brace, and a spring is fixedly connected between the rear end of the second clamping head and the mounting frame; and the inner wall of the mounting frame is in sliding connection with the second clamping head. According to the utility model, the second clamping head is driven by the brace to slide along the second chute, and when the second clamping head is separated from the first clamping head, the antiskid plate can be taken down and replaced or overhauled.

The utility model relates to the technical field of waste gas treatment, in particular to a morchella esculenta production residue waste gas adsorption treatment device which comprises an adsorption device body, the adsorption device body comprises at least two activated carbon fiber adsorbers, and the activated carbon fiber adsorbers are filled with activated carbon fiber blocks. The activated carbon fiber adsorber is provided with an automatic control system in a matched mode and is controlled by the automatic control system to achieve alternate adsorption, the outer portion of the activated carbon fiber adsorber is connected with a steam assembly, and the steam assembly desorbs organic matter adsorbed on activated carbon fibers through steam pressure and sends the organic matter into a recovery system. Alternate adsorption and regeneration of the adsorbers are realized through an automatic control system, and at least one adsorber is ensured to be in a working state at any time, so that continuous treatment of waste gas is realized.