928 results about "Operation room" patented technology

The invention relates to the technical field of consumable management, and discloses an intelligent monitoring and tracing management method for SPD medical consumables in an operating room. Comprising the following steps: if entering a traceability management state, extracting traceability characteristics from a calling event, marking traceability nodes, obtaining comprehensive calling data of the traceability nodes, calculating node abnormal coefficients, if giving out an early warning traceability prompt, marking abnormal nodes, marking abnormal parameters of the abnormal nodes, and formulating a traceability management mode according to the abnormal nodes; compared with the prior art, the method has the advantages that integral simulation display can be carried out on the calling and using process of the consumables in the calling and using process, meanwhile, abnormal point locations of the consumables in the calling and using process can be accurately recognized, and a tracing management mode matched with the condition of abnormal calling and using of the consumables is formulated according to the condition of abnormal calling and using of the consumables; according to the method, the effect of accurately tracing the original position of the abnormal condition when the consumables are called and used is achieved, and it is ensured that the medical consumables in the operating room can be efficiently monitored, traced and managed.

The invention discloses a pole climbing robot for a wind power tower pole, which is characterized in that the robot mainly comprises a robot body, 4-8 pole climbing mechanisms, a snake-shaped swing arm and a movable studio, wherein the snake-shaped swing arm and the movable studio are mounted on one side of the robot body; the robot body is an annular body formed by combining two semicircular cambered bodies or three equal cambered bodies; the diameter of an internal ring of the circular body is matched with the diameter of the wind power tower pole; the pole climbing mechanisms mainly comprise upper foot wheels, lower foot wheels, connecting arms, driving gears, thrust screw rods, nut gears and supporting seats; the upper foot wheels are connected with the lower foot wheels by the connecting arms through wheel shafts; the connecting arms are connected with the thrust screw rods by connecting pin shafts on the connecting arms, and form movable hinges; the 4-8 pole climbing mechanisms are distributed in the circular robot body uniformly; the snake-shaped swing arm consists of three swing arm parts, namely a large arm, a middle arm and a small arm; and the movable studio comprises two paralleled linear guide rails, a walk driving device and an operation room.

The invention discloses a non-contact operating room intelligent voice control method supporting multi-role voiceprint recognition, and relates to the technical field of voice interaction control, and the method comprises the following steps: S100, collecting full-band noise signals of all high-frequency operation equipment in an operating room in different operation states, extracting harmonic frequency, amplitude and phase features, and carrying out the recognition of the full-band noise signals; and constructing a harmonic noise characteristic database, and establishing and dynamically updating an environmental noise baseline model. According to the invention, through the dynamic environment noise baseline model and personalized voiceprint recognition, frequency spectrum isolation and accurate voice separation of high-frequency operation equipment noise and doctor voiceprint are realized. In combination with space and frequency spectrum dual-domain decoupling and voice integrity detection, and through dual verification of voiceprint identity and non-contact action, it is ensured that an instruction sender is true and effective. And a closed-loop defense mechanism is formed through permission level comparison and context semantic verification, so that error identification and error control are effectively prevented, and the safety, accuracy and continuity of the operation process are guaranteed.

The invention discloses a radiation protection shielding door convenient to adjust, and belongs to the technical direction of radiation protection, the radiation protection shielding door comprises a protection door mounting frame, and the protection door mounting frame is provided with a first radiation protection shielding door, a first moving pulley, a second moving pulley and a second radiation protection shielding door; the first radiation protection shielding door is arranged on the protection door mounting frame in a sliding mode, and the second radiation protection shielding door is also arranged on the protection door mounting frame in a sliding mode and located on one side of the first radiation protection shielding door. The single door or the double doors can be selected for radiation protection shielding operation according to different sizes of entrances and exits of operation rooms, the applicability is wider, the single door or the double doors can be rapidly switched, operation is convenient and fast, the complexity is low, the sealing performance of the two groups of radiation protection shielding doors can be improved through the protection gaskets, and the service life is prolonged. Meanwhile, abrasion between the two groups of radiation protection shielding doors can be avoided, and the service life of the door body is prolonged.

The invention relates to an interaction control method and control system for an operating room display terminal. The control method comprises the following steps: carrying out coordinate division on display areas under different interfaces of the display terminal; different logic control instructions are given to the interaction operation of each area based on different interfaces, the interaction action of the display area is detected in real time, and control instruction judgment is carried out based on the action type and coordinates of the interaction action and the area to which the coordinates belong; therefore, the switching between the control interface and the full-screen display interface and the interactive operation under the two interfaces are realized, the complexity of operating room image control is simplified, the instability possibly caused by multi-device integration of the control terminal is reduced, and the reliability and usability of the system are improved.

The invention relates to an exterior mirror system and method for fluorescence imaging, and relates to the technical field of image processing, the system can detect fluorescence under a white light operation condition in a tumor excision process, and imaging in a dark or dim operating room is not needed; white light in the fluorescent light is separated, so that a clear fluorescent light image is presented; in addition, fluorescence images can be displayed in a 3D mode, and development is more visual. According to the invention, the technical problems of dark fluorescence image, poor definition and complicated operation in the developing process in the prior art are solved.

The utility model discloses a special plasma beveling machine for H-shaped steel, and belongs to the technical field of H-shaped steel machining. The device comprises a workpiece input line, a workpiece overturning line and a workpiece output line, the output end of the workpiece input line is connected with a first cutting gun operation chamber, the output end of the workpiece overturning line is connected with a second cutting gun operation chamber, and the two ends of the workpiece overturning line are movably connected with the first cutting gun operation chamber and the second cutting gun operation chamber respectively. According to the utility model, in the process of simultaneously beveling and cutting four edges of a plurality of H-shaped steels and patterned H-shaped steels, the cutting gun performs straight seam cutting along the length direction of the lower flange of the workpiece, and when the workpiece completely enters the workpiece overturning line, the workpiece is overturned by 180 degrees, and then the lower flange of the overturned workpiece is cut; the four edges of a workpiece can be beveled at the same time, the consistency of the grooves of the workpiece is effectively guaranteed, the assembling and welding technology of the next procedure is facilitated, the cutting process is rapid and safe, and the cutting efficiency is high.

The invention relates to an underground diaphragm wall groove section foundation cleaning and slurry replacement device and method. Besides a driving function, mobile driving equipment is loaded with an air pump and a slurry suction pump, is connected with a slurry pipe and an air pipe, and realizes slurry replacement by a pump suction reverse circulation method; the slurry pipe is wound on the slurry pipe disc and is hung in the groove section through the guide frame; the viscometer and the densimeter are fixed at the tail end of the slurry pipe, are connected to a control panel in the operation room through an electronic circuit tightly attached to the outer wall of the slurry pipe, and are used for accurately testing the viscosity and specific gravity parameters of the slurry; the slurry pipe disc is mechanically controlled to rotate, so that the slurry pipe is controlled to sink and lift; the control panel is in driving connection with the slurry pipe disc and controls the slurry pipe to be lowered, lifted and stopped. The device replaces a simple slurry taking device to extract slurry for ground detection, and the working efficiency is greatly improved; slurry detection and slurry replacement are combined, pertinence of ground wall foundation cleaning and slurry replacement is improved, and the stability of a ground wall groove section and the quality of ground wall engineering are greatly improved.

An object of the present invention is to provide an information input system for a work machine capable of performing various kinds of settings of a work machine by using an information terminal while preventing an erroneous operation of the work machine. Therefore, in an information input system for a work machine including: a controller that is mounted on the work machine; and an information terminal that inputs information to the controller via communication, an input of the information from the information terminal to the controller is disabled in a case where the information terminal is located at a predetermined position in an operation room of the work machine.

The invention belongs to the technical field of medical training, and particularly relates to a method and a system for constructing a virtual operating room resource library for reappearing an offshore operation scene, and the method comprises the following steps: 1, collecting offshore medical data and scene demands: collecting an offshore environment and medical data, and determining medical care core capability demands; in the application, coupling parameters generated by a sea condition dynamic sensing module drive a mixed reality scene rendering module to present real shake and environment change; meanwhile, parameters are synchronously input to the equipment modeling module, fault response of virtual equipment is triggered, a user operates the virtual equipment through the interaction module and executes an operation on a virtual human body model, and the resource library management module guarantees reusability and updatability of resources in the whole process. Through real-time data linkage among the modules, total-factor dynamic coupling of sea conditions, scenes, equipment and operation objects is finally realized, and the problem of simulation distortion of a traditional system is solved.

The invention provides an operation nursing personnel post matching system and method, a storage medium and electronic equipment, and the system comprises a personnel management module, a capability evaluation module, an operation management module and a post matching module, and the personnel management module is used for constructing a nursing resource library; the ability evaluation module is used for constructing an ability cultivation path for the nursing personnel in the nursing resource library and generating operation ability evaluation results of all the nursing personnel in real time according to the current ability cultivation condition in the ability cultivation path; the operation management module is used for performing operation scheduling on to-be-scheduled operations according to the operation application instruction so as to generate operation scheduling information of each operation room; and the personnel and post matching module is used for matching the operation scheduling information with the operation ability evaluation result to obtain an operation nursing personnel configuration result of each operation room. According to the method, the ability cultivation path is established to clarify the cultivation process, and the operation scheduling information is matched with the operation ability evaluation result, so that the scheduling efficiency of operation nursing personnel is improved.

The invention discloses access equipment and method for a full-automatic germplasm resource medium-term library, and the equipment comprises a germplasm storage shelf which is disposed in the medium-term library; the automatic access robot is arranged in the medium-term warehouse; the connection conveying line is arranged in the middle-stage warehouse, the front chamber conveying system is arranged in a front chamber of the middle-stage warehouse, an automatic pre-cooling cabinet and an automatic recovery cabinet are arranged in the front chamber of the middle-stage warehouse, and a material box is conveyed to the automatic pre-cooling cabinet, the automatic recovery cabinet and a warehouse door of the middle-stage warehouse through the front chamber conveying system; the operation room conveying system is arranged corresponding to the front chamber conveying system; the sorting mechanism is mounted in the middle-stage warehouse front chamber; an inventory management system; the storage positions of the germplasm storage shelves are respectively provided with an RFID tag. Through cooperation of the automatic storing and taking robot and the connection conveying line, automatic storing and taking of a whole box, a single germplasm bottle and a plurality of germplasm bottles with discontinuous warehousing numbers are achieved, and the working efficiency is improved.

The invention discloses a motor end cover automatic milling device based on machine vision and a control method thereof, and relates to the technical field of operating rooms, the motor end cover automatic milling device comprises a base main body, a supporting frame is fixedly installed at the upper end in the base main body, when a milling frame machines a motor end cover, the machining condition of the motor end cover can be observed through a camera, and the working efficiency is improved. Water is sprayed to the motor end cover through the sprinkler head, chippings generated by the motor end cover can be sprayed off to prevent the chippings from influencing observation of the camera while the motor end cover is sprinkled and cooled, and under the action of the adjusting motor, the angles of the sprinkler head and the camera can be adjusted to facilitate control and adjustment of a user. The micro motor drives the rotating ring seat to rotate through the adjusting gear and the adjusting gear ring, the orientation of the camera and the sprinkler head can be controlled, the camera can be protected under the action of the protection sleeve and the glass sleeve cover, and the protection service life of the camera is prolonged.

The utility model relates to the field of portal cranes, in particular to a rail type container portal crane which comprises a portal frame, an operation room is arranged at the top of the portal frame, a hoisting mechanism is arranged at the bottom of the operation room, a connecting assembly is arranged on the side wall of the hoisting mechanism, and a supporting assembly is arranged at the bottom of the connecting assembly. The supporting assembly comprises a supporting rod and a base, the base is fixedly installed at the bottom of the supporting rod, and the supporting rod is movably inserted into the connecting assembly; the clamping groove is formed in the hoisting mechanism to be in butt joint with the connecting assembly and matched with the supporting assembly at the bottom of the connecting assembly, so that when the hoisting mechanism is placed, the hoisting mechanism can be supported, the clamping arm is in contact with the ground before the clamping arm is in contact, the supporting assembly is used for buffering, and the clamping arm is protected; and the phenomenon that the clamping arms collide with the ground is prevented.

The operating room waste anesthetic gas mask collecting device comprises a filter box, a gas inlet pipe and a gas outlet pipe are symmetrically arranged on the side wall of the filter box, a mask is installed on the gas inlet pipe through a connecting hose, and a first gas pump, a purifier and a liquid pump are sequentially installed on the upper surface of the filter box; the air outlet pipe is connected with a first air pump through a first communicating pipe, the air outlet end of the first air pump is provided with a mixing box through a second communicating pipe, the mixing box is communicated with the purifier, the water inlet end of the liquid pump is communicated with the purifier, and the water outlet end of the liquid pump is communicated with the mixing box; and the outer side wall of the purifier communicates with an exhaust pipe, the exhaust pipe is connected with a second air pump through a third communicating pipe, and the second air pump is installed on the outer side wall of the filter box. The device has the advantages of remarkable filtering effect, easiness in installation and maintenance, thorough purification effect and the like, and can effectively treat the anesthetic waste gas in the operating room and reduce the harm to the environment and human bodies.

The invention relates to the technical field of medical education, and discloses a virtual simulation method for an interactive anesthesia crisis skill training scene, and the method comprises the following steps: constructing a high-fidelity operating room and a crisis processing scene in a virtual environment; physiological parameter changes of the patient are simulated in real time and fed back to the student interface; recording and analyzing operation steps, decision-making time and physiological feedback of the trainee in training; and the learning path of the trainee is dynamically adjusted through a multi-objective optimization algorithm, so that the training effect is enhanced. According to the invention, through a personalized learning path and a real-time feedback mechanism, the effectiveness of anesthesia crisis skill training is improved. Students practice in a vivid virtual environment, and the clinical decision-making ability and the operation accuracy are enhanced. Meanwhile, the system is continuously updated to ensure that the training content is consistent with the latest medical practice, high-quality medical professionals are cultivated, and the medical service quality is comprehensively improved.

The invention discloses a shield type assembly cantilever crane comprehensive construction operation platform, and aims to solve the problems of high tunnel construction cost, large potential safety hazard and low construction efficiency. The platform comprises a walking system, a shield system, an intelligent operation room, a frame supporting system and an operation arm system. The top of the walking system is connected with the frame supporting system, the intelligent operation room is arranged at the top of the frame supporting system, the operation arm systems are carried on the two sides, and the shield system covers the walking system in an arc shape. The walking system adopts a crawler-type chassis and is equipped with a power supply unit. The operation arm system is symmetrically distributed on the two sides and comprises a slagging-off system, a rock drilling arm, an anchor rod arm and an arch frame-concrete spraying arm which have unique structures and functions. Multiple functions are integrated, the number of times of equipment entering and exiting a field is reduced, the cost is reduced, the shield system improves the safety, the comprehensive operation requirement can be met, and the tunnel construction efficiency and quality are effectively improved.

The invention relates to the technical field of medical information, in particular to a data processing method and system for a digital operating room, and the method comprises the following steps: obtaining operation plan information, decomposing an operation process into a plurality of links, classifying various operating room data collected in real time according to the operation links, and generating an operation data classification result. According to the method, the operation process is divided into a plurality of links, accurate classification of operating room data, dynamic assessment of operation risks in combination with physiological data and timely sending of early warning prompts to medical staff are achieved, and the bandwidth allocation priority is dynamically adjusted by analyzing the bandwidth requirement of each data stream in different operation links, so that the operation efficiency is improved. The data transmission efficiency in the operation process is improved, the storage priority of the data is adjusted according to the storage and reading behaviors of the data, optimized utilization of storage resources is achieved, the access permission of the data is dynamically adjusted by means of the timeliness of the data, and accurate management and safety control over the access permission of the data are achieved.

The invention relates to the technical field of lifting working platforms, and discloses a lifting working platform for long-piled wharf construction and a using method thereof.The lifting working platform comprises a crane body, an operation room and a hanging frame, a connecting disc is arranged at the end, away from the crane body, of the hanging frame, and a hook assembly is fixed to the bottom of the connecting disc; according to the lifting type ship-shaped anti-sinking plate, when the lifting type ship-shaped anti-sinking plate is moved to a construction site and reaches designated construction, the anti-sinking plate can be put down to be flush with the ground, the contact area between the crane and the ground can be increased, and the anti-sinking plate can be put down to be flush with the ground; in this way, collapse caused by soft seaside ground during material taking and transporting of a crane is avoided, the problem that an existing lifting working platform for high-pile wharf construction is prone to sinking and unstable in operation due to soft ground during operation is solved, and the stability of the lifting platform during operation is greatly improved.

The invention discloses an inflatable high-voltage switch cabinet with a phase control function, and relates to the technical field of high-voltage switch cabinets, the inflatable high-voltage switch cabinet comprises a switch cabinet body, the switch cabinet body comprises an operation room, a control room, a cable room, a recovery room and a switch room, the control room is connected to the top of the operation room, the cable room is connected to the bottom of the operation room, and the recovery room is connected to the bottom of the switch room. According to the application, the SF6 gas in the switch chamber can be directly and actively recycled into the storage tank through the storage tank in the recycling chamber when the SF6 gas leaks, so that the problem that the SF6 gas is not recycled when the SF6 gas leaks in the switch chamber of the high-voltage switch cabinet is solved, and the safety performance of the high-voltage switch cabinet is improved; the SF6 gas can be liquefied by compressing and then cooling the SF6 gas, so that the problem that the gaseous SF6 gas occupies more storage volume than the liquid SF6 gas when the SF6 gas is directly recovered is solved, the space occupation of the storage tank is reduced, and the recovery rate of the SF6 gas is improved.

The invention relates to the technical field of energy-saving refrigeration, in particular to an ultra-low power consumption operating room refrigeration method which comprises the following steps: acquiring carbon dioxide concentration and freezing a fresh air inlet, reading an oxygen concentration and temperature control curve to adjust an oxygen release channel, and linking the running state of a compressor and the output of a condensation flow rate correction channel. And guiding heat into a heat exchange surface channel, extracting air supply data and analyzing a synchronous trend to obtain a low-power-consumption refrigeration closed-loop operation state. According to the method, the gradient of the carbon dioxide concentration is monitored, the air door state is frozen, fresh air introduction is adjusted, the clean environment is maintained with low air volume, the opening and closing proportion of an oxygen channel is adjusted in combination with heat exchanger thermal response, compressor power and condensation flow speed linkage analysis is conducted, channel output is corrected, cooling capacity lag is reduced, and hot air flow direction and temperature difference distribution are extracted; and the heat is guided to be reused to a heat exchange channel, the tail end air temperature, humidity and gas concentration are compared with a main control state, a synchronous change section is recognized, a closed-loop feedback path is constructed, and the adjusting sensitivity and the energy consumption precision are improved.

The invention relates to the technical field of air purification, in particular to a multifunctional positive and negative pressure switching operating room radiation air-conditioning system which is constructed by integrating a purification air-conditioning unit and a radiation heat exchange unit, one radiation heat exchange air-conditioning unit and part of pipelines are reduced, and the cost is reduced. Under the working conditions of positive pressure and negative pressure, flexible switching of operation modes is achieved through opening and closing of an electric closed valve, the temperature suitability of an operation area and a radiation heat exchange unit can be guaranteed through intelligent control over a first electric heater and a second electric heater, and adverse effects caused by too low temperature are avoided; a high-efficiency air supply ceiling, a medium-efficiency air return port, an upper high-efficiency exhaust port, a lower high-efficiency exhaust port, an air volume adjusting valve and an electric closed valve are reasonably arranged, so that the stable operation of the operating room under different working conditions is ensured; in addition, an air exhaust auxiliary mechanism is arranged at the position of the efficient air exhaust opening in the lower portion, and the corresponding auxiliary function is achieved for air exhaust work of the air exhaust auxiliary mechanism.

The utility model provides a cleaning, debridement and suture operating table for operating room nursing, and belongs to the technical field of operating tables. The cleaning, debridement and suture operating table for operating room nursing comprises a collecting table, hollowed-out grooves are formed in the two sides of the top end of the collecting table respectively, a limb sleeving mechanism is arranged between the two hollowed-out grooves, the limb sleeving mechanism comprises a transverse plate, sliding blocks, lantern rings, corrugated pipes, fixing rings and positioning holes, the sliding blocks are installed at the two ends of the transverse plate respectively, and the lantern rings are sleeved with the corrugated pipes. Positioning holes are formed in the top ends of the two sliding blocks, fastening assemblies are arranged at the top ends of the positioning holes, a lantern ring is arranged on one side of the transverse plate, one side of the lantern ring communicates with a corrugated pipe, one end of the corrugated pipe is connected with a fixing ring, and one end of the fixing ring is connected with one side of the inner wall of the collecting table. The fastening assembly comprises a bolt, a gasket and a knob, the bottom end of the bolt is in threaded connection with the interior of the positioning hole, and the top end of the bolt extends to the exterior of the hollow groove.

Apparatus and associated methods relate to dynamically monitoring radiation exposure of sensitive objects. In an illustrative example, a dynamic hazard visualization system may provide real time radiation exposure monitoring for medical personnel in an operation room. A dynamic hazard visualization system (e.g., DHVS), for example, may include a data store comprising a plurality of predetermined radiation intensity models. For example, the DHVS may receive at least one image received from a camera installed in the operation room. Based on the received image and one or more predetermined radiation intensity models, the DHVS may generate an inter-object properties data structure (e.g., IOPD) of the operation room. The DHVS may use the IOPS to generate, in real time, an instantaneous radiation intensity profile based on a dynamic geometry generated based on updated images received from the camera. Various embodiments may advantageously monitor radiation exposure of the medical personnel in real time.

A working machine includes a machine body, a working device on the machine body, an operation room structure on the machine body and including an operation room and a floor surface body to define a floor surface of the operation room, and a heater to heat an interior of the operation room. The heater includes a heat generator to generate heat by using electric power, and a hot water circulator to cause water heated as a result of heat generation of the heat generator to circulate. Among components of the heater, at least the heat generator is located in a space in the machine body below the floor surface body.

The utility model relates to the technical field of electrical equipment, and discloses a high-voltage shock resistance testing machine which comprises an equipment bottom plate, an electric shock operation chamber is fixedly installed at the top end of the equipment bottom plate, two limiting installation plates are fixedly installed in the electric shock operation chamber, and limiting knobs are installed on the limiting installation plates in a penetrating mode. The electric shock operation room is fixedly provided with limiting rotary knobs, the limiting rotary knobs are arranged on the limiting rotary knobs, the sides, close to each other, of the limiting rotary knobs are provided with tested equipment in a clamping mode, the top end of the electric shock operation room is fixedly provided with a high-voltage generator, and the bottom end of the high-voltage generator is provided with two electrified cables. In actual use, the problems that certain electrical potential safety hazards exist when existing electric shock test equipment is used for high-voltage operation, particularly, protection on operators is not enough, and the operators and the equipment are prone to being damaged due to electric leakage are effectively solved.

The invention relates to the technical field of fruit tree fertilization equipment, in particular to an intelligent fertilization device for yellow peach planting, which comprises a machine body, the machine body is composed of a crawler propelling part, a rotary base and an operation room, a supporting table is fixed on the machine body, the intelligent fertilization device further comprises an incomplete round cover, a supporting frame is relatively fixed on the incomplete round cover, and a fertilizer application device is arranged on the incomplete round cover. Arc-shaped rods are fixed to the supporting frames, under the cooperation of the incomplete circular cover, the annular guiding part and the excavating and backfilling part, the whole process of excavating and backfilling soil around fruit trees is automatic, workers only need to control the excavating and backfilling device during operation, the automation degree is high, and the labor intensity of the workers is greatly reduced; the digging and backfilling part is guided by the diameter control part, so that workers can dig the peripheries of the fruit trees with different diameters or growth postures, and the applicability of the equipment is higher.

The present invention relates to a manual high-pressure parts washer for safe and effective machine part washing while maintaining cleaning solution quality and protecting pump performance.The washer includes a main body (10) with internal space divided by partition (11) and vertical plate (12) into upper operation room (13), lower machine room (14), and water storage room (15). An opening (16) with door (20) is formed at the upper side. A cleaning solution spray pipe (30) is provided inside the main body (10). A glove-shaped sleeve (40) extends into the operation room (13) through fixing hole (22a) in door (20) for user hand insertion. Water supply unit (50) supplies cleaning solution from water storage room (15) to spray pipe (30).The operator arranges parts in operation room (13) and sprays cleaning solution for washing. This provides simple structure for easy parts cleaning.

The utility model discloses a spray-washing device for an entrance and exit of a temporary closed construction operation room of a phosphorus sludge stockpiling field. Comprising a waterproof film, an arc-shaped support, an arc-shaped sliding rail, a bottom plate, a supporting column, a first sliding table, a first water pipe, a first spray head, a first rope, a first rope winding device, a rope guide rod, a second sliding table, a second water pipe, a second spray head, a second rope, a second rope winding device and a guide wheel. The device is simple in structure and easy to build, and can be used as a temporary facility to be matched with a temporary closed operation room of a phosphorus sludge stockpiling field; the first spray head reciprocates in an arc line, the second spray head reciprocates in a straight line, a large number of complex spray washing pipe networks do not need to be built, the surface and tires of the tank car can be thoroughly cleaned through movable spray washing, it is ensured that phosphorus sludge remaining outside the tank car cannot be brought out of a construction area, and secondary pollution in the phosphorus sludge and pollutant disposal process is effectively prevented.

The embodiment of the invention provides a variable-level fresh air system control method and system for a clean operating room, and the method comprises the steps: obtaining air quality information in the clean operating room, and preprocessing the air quality information to obtain optimization information; comparing the optimization information with set air quality condition information to obtain an air quality deviation rate; current fresh air parameter information is obtained, and an air quality difference interval is analyzed based on the air quality deviation rate; setting correction coefficients of different grades based on the air quality difference interval; performing grade adjustment on the current fresh air parameter information based on the correction coefficients of different grades to obtain fresh air control information, and transmitting the fresh air control information to the terminal in real time; by analyzing the air quality in the clean operating room and judging the difference interval of the air quality between the set condition information, parameter adjustment of different levels is set according to the difference of the air quality, the fresh air variable-level air volume control is achieved, and the control flexibility is improved.