33 results about "Occupational hygiene" patented technology

The invention belongs to the technical field of chemical measurement methods and in particular relates to a method for measuring acrylic acid in air in working spaces by using ion chromatography. The rapid, sensitive, accurate, environment-friendly and low-cost method for measuring acrylic acid in air in working spaces by using ion chromatography is constructed by collecting the acrylic acid through a silicone tube and by taking environment-friendly pollution-free sodium carbonate/sodium bicarbonate as desorption solution and chromatographic mobile phase. A novel feasible way is provided for rapidly and accurately measuring acrylic acid in air in the working spaces, and the application of the ion chromatography in occupational health inspection is widened.

The invention discloses a transformer substation worker workplace noise analysis method, which comprises the following steps of 1) basic data collection; 2) physical model building; 3) work point noise value calculation; 4) exposure limit judgment; and 5) work point occupational sanitation evaluation. The method has the advantages that the influence on the noise attenuation caused by the geometric divergence of the noise propagation, and atmosphere, ground, buildings, green belts and the like in the propagation path can be accurately considered, so the noise intensity of any work points in a transformer and the peripheral space of the transformer can be accurately predicated, references are provided for the transformer substation worker workplace noise sanitation evaluation, and the monitoring and the evaluation of the transformer substation noise occupational sanitation can be effectively assisted. Meanwhile, the invention also provides a transformer substation worker workplace noise analysis system.

The invention discloses a method for detecting chloroacetic acid in air in a workplace. The method uses a silica gel sampling tube to collect chloroacetic acid, uses deionized water as stripping liquid, and uses an anion chromatographic column for assay determination, being a rapid, sensitive, accurate and low-cost method for detecting chloroacetic acid in the workplace with an ion chromatography. Thus, a new practical way is provided for detecting chloroacetic acid in air in the workplace, and the application of the ion chromatography to occupational health surveillance is widened.

The invention discloses an occupational health management system of an employing unit, which relates to the technical field of occupational health. An occupational health management system of an employing unit includes a public data module, an employer information module, an occupational hazard management module, an occupational hazard protection management module,a laborer health management module, an integrated occupational health management module and a risk assessment module; according to the occupational health status of the employer, it mainly formulates the specific measures and programs for the prevention and control of occupational disease hazards, standardizes the health management of the laborers, and formulates the comprehensive management system and operation rules of occupational health, so as to establish an effective implementation process for the occupational health risk assessment. The present invention aims to provide an occupational health management system of an employing unit, standardize the management of occupational health archives, and solve the problems that the management of occupational health archives of an employing unit in the prior art is divided,scattered, disorderly, and the management system of the occupational health unique to the employing unit is not provided.

The invention discloses a method for assessing the intensity of noises in contact with thermal power generation enterprise operation personnel. The method comprises the following steps: the days of continuous measurement are determined according to shift conditions of posts, working time and a working system; the noise intensity of each shift is measured through an individual noise measurement meter so as to the average intensity of contact noise of the post of each day; according to the average intensity of contact noise of the post of each day, the intensity of contact noise of operating personnel of the post in 40 hours in each week is calculated; the intensity of contact noise in 40 hours in each week is compared with a national standard to determine whether the intensity of noises in contact with the operating personnel is in accordance with the national prescriptions about national occupational health. According to the invention, problems of impossibility of carrying out contact noise intensity assessment carried out on the working personnel of this kind are solved through a traditional 8-hour and 40-hour equivalent continuous A sound level measurement and assessment method are solved, and the level of the intensity of the noises in contact with the operating personnel is truly reflected to the largest extend.

A pumpless sampler mainly comprises a polytetrafluoro plastic housing, aluminium covers, a polytetrafluoro hydrophobic filter membrane, fibrous circular active carbon plates, polyurethane foam and a collar clamp. The specific composition is as follows: the two carbon plates are parallel to the cross section of a polytetrafluoroethylene plastic tubing and arranged at two ends and are isolated and fixed through the polyurethane foam between the carbon plates; and the two tubing ends are covered with the polytetrafluoro hydrophobic filter membrane, which is fixed and clamped with the aluminium cover. The sampler has the following advantages: the bidirectional transparent housing structure is beneficial to enhance the sampling efficiency and can achieve a satisfying effect in the aspects of adsorption flux and sample stability, and an adsorbent based on active carbon can effectively monitor most harmful gases in the environment. The sampler has very huge potential in the aspects of miniaturization and portability, has a wide application prospect in many fields such as occupational health, environment monitoring and the like, and especially is of great significance for personal sampling in the field of occupational health.

The present invention discloses an enterprise safety production file information and occupational hygiene file management system. The system comprises a management module, a control module, a query module, and a display module. The display module and the query module are connected with the control module correspondingly. The management nodule comprises a file management module, a personal information management module, a basic information maintenance module, a system user management module, a company information management module, a short message sending module, and an information platform, and the file management module, the personal information management module, the basic information maintenance module, the system user management module, the short message sending module, the information platform, and the company information management module are connected with the control module correspondingly. According to the system provided by the present invention, various information can be classified and stored, and a manager can perform a query by using the query module, so that it is convenient for use, the manager is prevented from mis-fetching and misplacing, and numerous files can be classified and processed, reducing the workload for the manager.

The invention discloses an occupational health supervision method and system. The method comprises the following steps: receiving an employment unit file input by an employment unit, and generating aunique identifier of the employment unit; generating an occupational disease hazard factor detection scheme of the employment unit; generating an occupational disease hazard factor detection report ofthe employment unit; generating an occupational health supervision plan of the employment unit; and generating and outputting an on-site supervision law enforcement document of the employment unit. The whole-process occupational health supervision method and the whole-process occupational health supervision system comprehensively covering the employment unit-technical service institution-supervision institution are established, so that the problem that all links of an existing occupational health supervision system in China are disconnected is solved.

The invention discloses an intelligent gas automatic sampler for occupational health. The intelligent gas automatic sampler for occupational health comprises a main body; an gas inlet pipeline is arranged at the upper end of the main body and is provided with an gas flow detector; the main body is internally provided with a transverse plate; a mounting seat is arranged at the middle part of the upper end of the transverse plate and is provided with a fan; the main body is internally provided with a gas analyzer; an gas outlet pipeline is arranged on the lower end surface of the main body; an gas sampling tank is arranged at the lower end of the gas outlet pipeline; the upper end surface of the gas sampling tank is provided with a connection pipeline; and a pressure detector is arranged inthe gas sampling tank. The intelligent gas automatic sampler for occupational health is simple in structure and convenient to use, can perform detection on an gas pressure in the gas sampling tank, avoids damages on the sampling tank caused by too large gas pressure, ensures the normal service life of the sampling tank, can perform analysis on gas at the position located by the sampler, displays information on a display, is convenient for a worker to observe and thus being convenient for the worker to timely make emergency treatment when the gas quality does not accord with the work requirements.

The invention provides a protective mask for occupational health of medical staff, and mainly relates to the field of health protection tools. The invention discloses a protective mask for occupational health of medical personnel. The mask comprises a face protection part, ear hanging ropes are arranged on the two sides of the face protection part, earmuffs are arranged on the ear hanging ropes, each earmuff comprises an attaching part, an ear root part and a fixing part, each attaching part is a cambered surface attached to the inner side contour of an ear, each ear root part is an arc-shapedgroove attached to one ear root, and a buffer pad is arranged at the bottom of each ear root part. The beneficial effects are that the problem that the ear-hanging type mask abrades the ear roots ofa wearer for a long time can be solved, the ears are assisted in bearing the ear-hanging lines, and the mask is prevented from loosening.

The invention relates to an intelligent occupational health early warning method and system. The method comprises the following steps: carrying out image segmentation on an obtained image of a target area to obtain a dust area image which comprises a light-path-free dust area and at least two light-path dust areas; performing feature extraction on the optical-path dust areas, and calculating corresponding concentration values; dividing different brightness areas according to brightness characteristics of pixel points of each light-path dust area, and acquiring a central point and a position coordinate of each brightness area; acquiring the concentration value of each brightness area according to the brightness characteristics and the concentration value; acquiring an area information sequence of position coordinates and concentration values of the dust area of each optical path; inputting the area information sequence of any two light-path dust areas into a dust concentration network model to obtain area information of the light path-free dust area; and acquiring the concentration value of the target area according to each concentration value of the dust area, and determining the dust risk level of the target area. According to the above scheme of the invention, the accuracy of concentration estimation and the accuracy of early warning are improved.

The invention provides a water injection pump room noise control method, which comprises the following steps of S1, testing noise in a water injection pump room by adopting a grid point distribution method, and testing an exposed sound level of staff working contact by adopting a tracking method to obtain noise data of the water injection pump room; S2, sorting and analyzing the noise data of thewater injection pump room obtained in the step S1 to obtain the current noise situation; S3, judging whether the noise value meets factory boundary environment noise emission standards and occupational health requirements or not; if so, finishing the steps; and if not, determining the corresponding excessive amount, and designing a noise reduction scheme. According to the control method, the noise can be effectively controlled according to the actual operation condition of the water injection pump room of the oil field, so that the noise of the water injection pump room can reach the factoryboundary emission standard and meet the requirement of occupational health.

The invention relates to occupational health detection equipment for food production. The equipment comprises a noise detector and a fixing device. The fixing device comprises a fixing plate, a supporting assembly and an overturning assembly. The supporting assembly is mounted on the fixing plate. The supporting assembly comprises a supporting barrel and two linked electric lead screw lifts. The supporting barrel is a cylindrical barrel with a cavity, a containing opening is formed in the upper end face of the supporting barrel, motors of the electric lead screw lifts are fixedly connected tothe inner wall of the supporting barrel, and lead screws of the electric lead screw lifts penetrate through the upper end face of the supporting barrel. The overturning assembly comprises a mounting plate and an overturning motor, the overturning motor is fixedly connected to the upper end of one lead screw of the electric lead screw lifts, an output shaft of the overturning motor is fixedly connected with the mounting plate, the side wall, away from the overturning motor, of the mounting plate is rotationally connected with the upper end of the other lead screw of the electric lead screw lifts, and the noise detector is fixedly connected to the mounting plate. It is not needed to frequently mount the noise detector, so that the time is saved; and the noise detector is stored in the cavity, so that the noise detector is prevented from being exposed in air for a long time.

The invention relates to a method for informing occupational health of working posts, which mainly solves the problem of low intelligence in the prior art. The invention adopts a method for notifyingoccupational hygiene of the work station, and notifies occupational hygiene of the work station through an APP platform. The APP platform comprises a registration and audit management module, a statistical analysis module, an information editing module, an information pushing module, a user management module and a log management module. According to the types of occupational hazards, Set Personalization Parameters for Position, And arranged in the server, users through APP access to the server, complete registration, browse post consultation, consultation sharing and publicity, browse the post-related occupational hazard factors, daily monitoring data, protective measures information technical solutions to better solve the above problems, can be used in occupational health notifications inthe workplace.

The invention discloses a microfiltration membrane batch infiltrating and air-drying device for occupational health detection, which comprises a bottom plate, a carrying tray, a horizontal supporting plate, a carrying tray, an air-drying oven, a packaging box, a first height adjusting assembly, an air-drying oven and an infiltrating cup. A mounting block is arranged on a first supporting column. A fixed placing cavity is arranged on a placing plate. The packaging box comprises a box body, a cover plate and a buckle plate, and a clamping block is arranged on the box body. A telescopic cylinder is horizontally arranged on the mounting block, and a push plate is arranged on the telescopic cylinder. A mounting plate is arranged on the horizontal supporting plate, and a first corner air cylinder is arranged on the mounting plate. A vacuum suction cup is arranged on the first height adjusting assembly. The first height adjusting assembly comprises a first motor, a first lead screw, a first box body, a first sliding sleeve and a first sliding plate, and a first sliding groove is formed in the first box body. The invention relates to the technical field of chemical equipment, in particular to a microfiltration membrane batch infiltrating and air drying device for occupational health detection, which is relatively high in automation degree and relatively convenient to use.

The invention provides an employer occupational disease hazard risk classification method, and the method comprises the steps: collecting the property information, contact level information and contact population information of occupational disease hazard factors; performing information matching in a preset database according to the property information, the contact level information and the contact crowd information of the occupational disease hazard factors to realize evaluation of occupational disease hazard exposure risk categories to obtain a first analysis result; the occupational health management condition information is collected, and then occupational health management condition grade evaluation is realized according to the occupational health management condition information to obtain a second analysis result; the first analysis result and the second analysis result are combined for evaluation to obtain an occupational disease hazard comprehensive risk evaluation result; and determining corresponding classification level information according to the occupational disease hazard comprehensive risk assessment result. The classification method is used for completing the whole informatization processing process of information collection, information analysis processing, identification, evaluation and classification.

The present invention discloses a liquefied gas dehydrator. The liquefied gas dehydrator comprises a gas-liquid buffer tank, a liquid inlet pipe, a drain pipe and an exhaust pipe, and a flow regulating valve, a filter and a first stop valve are sequentially arranged on the liquid inlet pipe from the joint of the liquid inlet pipe and the gas-liquid buffer tank; a drainage control valve and a second stop valve are sequentially arranged on the drainage pipe from the joint of the drainage pipe and the gas-liquid buffer tank, and a one-way valve and a third stop valve are sequentially arranged onthe exhaust pipe from the joint of the exhaust pipe and the gas-liquid buffer tank. A heating device is arranged at the lower part in the gas-liquid buffer tank; a demisting device is arranged on theupper portion of the interior of the gas-liquid buffer tank, VOC emission is reduced, labor intensity is reduced, operation safety is improved, occupational health damage to liquid removal operators is reduced, the purpose of protecting the atmosphere is achieved, and health of the human body is further facilitated. The liquefied gas dehydrator has the very high commercial value and popularizationvalue.

The invention relates to an integrated multifunctional sampling vehicle suitable for field detection, which belongs to the technical field of environmental protection and occupational health, and particularly relates to an integrated multifunctional sampling vehicle suitable for field detection. Theintegrated multifunctional sampling vehicle suitable for field detection comprises an integrated box body, a sampling consumable storage box, a sampling record storage box, an absorption tube storage box, an instrument storage box, a writing desk and a telescopic sampler bracket. Through the design of the application, a sampling field integrated sampling vehicle is provided, a plurality of different drawer structures are arranged on the sampling vehicle, consumables and other equipment required by sampling detection can be conveniently stored, an area for storing experimental records is provided, various operations in the detection process are facilitated, troubles caused by environment and disordered equipment to workers are avoided, and the working efficiency is improved.

The invention discloses an occupational health and public health management evaluation system. The system comprises comprehensive information management, enterprise occupational health file management, occupational health management, radiation health management, occupational disease management and evaluation management. According to the management evaluation system, repeated management services inmanagement work are avoided, and enterprise occupational health normalization, programming and standardization management is facilitated; a unit manager can inquire the working condition of each department, the management of enterprise occupational health, radiation health, occupational disease occurrence and development and other management conditions at any time by utilizing computer networking, and complete information data are provided for decision making of leaders at all levels; the information exchange between the occupational disease prevention and treatment institution and the administrative unit is facilitated, the information guarantee is provided for the prevention and treatment of the occupational disease, good social benefits are generated, a good foundation is laid for thescientific and systematic management of the occupational disease prevention and treatment institution in the future, and occupational accidents, injuries and illness and injury absent events are greatly reduced.

The invention discloses an occupational health management method, which comprises the following steps that: 1, establishing an occupational health management department by an enterprise and implementing the department to each level of factories, workshops and teams; 2, establishing and perfecting an occupational health management system; 3, regularly organizing professionals to comprehensively inspect each plant area; 4, regularly organizing enterprises to detect occupational disease hazard factors in staff; 5, regularly organizing vocational health knowledge lectures; after the occupational health management method is adopted, the number of people suffering from occupational diseases, the number of people with poor prognosis and the number of disputes are greatly reduced, physical healthof staff and company income are facilitated, and the occupational health management method is suitable for large-scale popularization.

The invention discloses a gel reagent capable of repelling mosquitoes, terricolous hirudo and other blood sucking insects and rapidly relieving itching. The gel reagent is prepared by adding a solventand gel into a repellent and Chinese herbal extract with an itching relieving effect. It is verified by six units which includes the Shandong Province occupational health and occupational disease prevention and treatment institute and the Beijing disease prevention and control center, and the effective mosquito repelling time reaches 6 hours or longer. It is proved through combined toxicology tests that the gel reagent has no toxic or side effects on the human body, safe and convenient use, no irritation to skin, no sensitization, reliable effects and convenient carrying, and is a good mosquito-repelling product for home care, travel, fishing, operation personnel in the field and army camping and personnel on duty.