72results about How to "Good for occupational health" patented technology

The invention provides an agricultural combination solvent which comprises a terpenoid and C8-C18 fatty acid esters. The agricultural combination solvent has good compatibility with pesticides, is safe and environment-friendly, has good biodegradation, has no pollution, has low freezing point and high flash point, and is safe and reliable in production, storage, transportation and use. The agricultural combination solvent can be applied in insecticides, herbicides or / and plant growth regulators.

The invention provides an electronic control system for a mining anti-explosion electronic injection diesel locomotive. The electronic control system comprises a diesel locomotive safety protection module, an engine fuel oil injection control module, a power supply control module and a peripheral electrical control module. The power supply control module provides a power supply for the diesel locomotive safety protection module, the engine fuel oil injection control module and the peripheral electrical control module. The engine fuel oil injection control module comprises a diesel engine working condition collecting unit, an actuator and an anti-explosion electric control box. The diesel locomotive safety protection module comprises a safety data collecting unit, a power supply controller, a display unit and a wireless communication unit. An electronic injection diesel engine is used under a mine, the engine can obviously lower emissions and improve operating economical efficiency, and a positive promotion effect on energy conservation, emission reduction and health is achieved. An electronic control unit (ECU) is arranged inside the anti-explosion electric control box. The ECU reasonably controls the oil injection and power output of the engine according to actual working conditions and loads, and thus the economic performance and emission performance are improved.

The present invention relates to the electrolytic recovery of metals, and more particularly to methods and apparatus for producing cathode plates suitable for such electrolytic recovery. A first aspect of the invention comprises a method of providing a conductive coating on a cathode plate, the method comprising, inverting and submerging an upper portion of the cathode plate adjacent at least one anode in an electrolytic cell, and applying an electric current to electroplate the upper portion of the cathode plate , wherein each anode comprises: i) a first base adapted to be positioned adjacent to the support bar of the cathode plate; ii) a second extension connected to and extending from the base, and A sheet adapted to be positioned adjacent to the cathode plate, wherein each of the anodes is profiled so that, in use, a coating of consistent thickness is plated on the support rod and cathode sheet. A second aspect of the present invention provides an anode for electroplating the upper portion of a cathode plate having a support rod and cathode tabs, said anode comprising: i) a first exposed bottom which is longer than said support rod and in which having a constant cross-sectional shape over its length; ii) a second exposed portion connected to and extending from said base and having a length shorter than the width of said cathode tab. A third aspect of the present invention provides a method of reconditioning a cathode plate comprising the steps of: removing a conductive coating on a support rod and said cathode plate, and then applying a current density to said cathode plate in a deplating bath , such that the level of the current density is sufficient to etch exposed metal below the liquid level of the deplating bath, but insufficient to preferentially corrode any solder connection between the support rod and the cathode tab.

The invention discloses an intelligent loading / unloading platform and a loading / unloading method. The intelligent loading / unloading platform comprises a TOS system interface module, a remote control system interface module, an OCR system interface module, an intelligent cargo tallying system interface module, a backstage server and a remote-control data handling-over operation module, wherein the TOS system interface module is used for acquiring ship loading / unloading operation data from a TOS system; the remote control system interface module is used for acquiring operation state information from the remote control system; the OCR system interface module is used for receiving an identification result of the OCR system; the intelligent cargo tallying system interface module is used for pushing operation state information to an intelligent cargo tallying system after ship loading or unloading; the backstage server is used for realizing data storage, data interaction among the all interface modules and submitting the data to the all systems according to loading / unloading operation service processes; and the remote control data handling-over operation module is used for matching the result obtained through identification of the OCR system with the ship loading / unloading operation data of the TOS system, acquiring the operation state information after ship loading / unloading and conveying the operation state information to the TOS system. According to the intelligent loading / unloading platform and the loading / unloading method disclosed by the invention, unified deployment access of a plurality of docks is supported, the situation that handling-over operation of shipsides of the all docks can be carried out in a centralized way in one operation center can be realized, and unified dispatching of operators at the each dock is conveniently realized.

The invention relates to a boiler cold state aerodynamic field out-of-furnace remote control measurement system, which is composed of an in-furnace test device remote control part and an out-of-furnace data processing part, wherein the test device remote control part comprises a vehicle body part formed by a bearing frame, an axle, rollers, a driving motor and a lithium battery, and the vehicle body part is controlled by a vehicle-mounted remote control module and an out-of-furnace remote controller; the test device remote control part also comprises a data acquisition part formed by a hot wire wind speed test probe, a hot wire wind speed meter, a hot wire wind speed meter wireless transmission module, a camera and a camera image transmission module, and the data acquisition part transmits data to the out-of-furnace data processing part; and the out-of-furnace data processing part comprises a wireless data transmitting and receiving module and a computer for data processing and control. in-furnace air flow field disturbance is reduced, the measurement accuracy is improved, and the working intensity of a measurement staff is reduced.

The invention discloses an alkali-free liquid setting accelerator which comprises the following components in percentage by mass: 48-58% of aluminum sulfate octadecahydrate, 3-5% of calcium fluoride, 1.5-3.5% of organic alkylol amine, 0.2-0.5% of cellulose, 0.2-0.5% of high-molecular polymer, 3-6% of soil mineral and the balance of water. The new materials and new formula are adopted to lower the rare material waste generated by resilience, enhance the durability and later strength of the concrete and eliminate the injuries of the environmental pollution and traditional setting accelerator to the human body. The alkali-free liquid setting accelerator is beneficial to improving the coal mine working environment and enhancing the occupational health level, and has important economic benefit, environmental benefit and social benefit for development of mining industry in China.

The invention discloses an automatic feeding system for a semi-flexible cable hot tinning process. The automatic feeding system comprises an automatic soldering flux adding system, an automatic tin adding system and a temperature control cabinet. The automatic soldering flux adding system comprises an automatic liquid pumping pump, a liquid storage tank, a transfer tank and a soldering flux tank,wherein a first infusion pipe is arranged between every two of the automatic liquid pumping pump, the liquid storage tank, the transfer tank and the soldering flux tank. A liquid level controller is arranged in each of the transfer tank and the soldering flux tank. The automatic tin adding system comprises a drum type tin ingot conveying belt, a pneumatic control valve, a piston air cylinder, a liquid level controller, an automatic tin adding tank and a tin tank. The tin liquid storage tank and the tin tank are connected through a second infusion pipe which is wound around a heating wire. Thetemperature of the liquid storage tank, the transfer tank, the soldering flux tank, the automatic tin adding tank, the tin tank and the heating wire are controlled by the temperature control cabinet.According to the system, an automatic soldering flux adding system and an automatic tin adding system are adopted, material adding can be realized without parking, and the production efficiency is improved; equipment is adopted for automatic mixing and feeding, the labor intensity is reduced, and the labor intensity is reduced; and the closed soldering flux feeding system enables the volatilization of the soldering flux to be effectively reduced.

The invention relates to a water-lubricated wear-resistant cooling liquid and a preparation method thereof. According to the invention, the cooling liquid is prepared by taking water, nanometer materials, an aqueous antirusting agent and graphite as raw materials, mixing the raw materials in proportion and stirring the mixture at a high speed for 30 minutes by using equipped universal mixing equipment. The water-lubricated wear-resistant cooling liquid is employed in device and equipment pipelines which need to be cooled and lubricated, and has the advantages of rust protection, wear resistance, high temperature resistance, acid and alkali resistance, good thermal conductivity, obvious lubricating effect, stable chemical properties and other various performances, long service life, wide application prospect and the like.

The invention discloses a spinning manufacturing method for a shell body. The spinning manufacturing method for the shell body is characterized in that a rotary body provided with a section with a complex shape is directly pressed on a blank through a spinning process; and the specific procedures comprise blanking, manufacturing a first barrel shape and a second barrel shape by virtue of shovel rotating, and forming an outer edge and a signal tooth plane by virtue of tooth rotating of a tooth-forming wheel and edge turning of an edge-turning wheel. The invention discloses a spinning manufacturing method with regard to the technical problem that consideration is difficultly given to the manufacturing accuracy, the cost, the production efficiency and the environmental protection compliance during machining for parts such as shell bodies in the prior art. In a spinning manufacturing and machining process, fine-grained structure and fiber structure distribution beneficial to stress and prolonging the service life can be generated in a material, and the product is high in strength and toughness; compared with traditional cutting machining, the use rate for the material is greatly increased; equipment in the manufacturing process mainly involves a spinning machine, and is low in purchase and operation costs; and in the machining process, other consumables do not need to be consumed,and serious noise is avoided, so that environmental protection and occupational health are benefited.

The invention discloses a high voltage-resistance organic silicon encapsulating material for a ceramic thermistor. The high voltage-resistance organic silicon encapsulating material comprises a solute and a solvent, wherein the solute comprises main materials and auxiliary materials. The main materials comprise, by mass, 10-20% of organic silicon resin alpha, omega-dyhydroxy polydimethylsiloxane, 75-85% of quartz powder, 2-5% of PTC base stock powder, 2-5% of aluminum hydroxide and 1-3% of silicon powder. The auxiliary materials comprise, by the total mass of the main materials, 2-2.5 % of titanate coupling agent, 1.5-3.5% of accelerant, 0.5-2.0% of curing agent and 1-3.5% of pigment. For the ceramic thermistor made of the encapsulating material, the phenomenon of ceramic body fragmentation caused by the expansion factor is avoided on the performance of bearing high voltage and large current.

The invention discloses a biological safety-type automatic liquid groove conveying window. The window comprises a box body, a liquid groove, a separation plate, a conveying basket, air-tight doors, adriving motor, a transmission system and a control system; the liquid groove is formed in the box body, the conveying basket is arranged in the liquid groove, the separation plate is arranged on the top of the liquid groove and fixedly connected with a top plate of the box body, the driving motor is connected with the conveying basket through the transmission system, and the conveying basket is driven by the driving motor through the transmission system to be conveyed to the other side of the separation plate passing through disinfectant at the bottom of the separation plate from the side of the separation plate; two air-tight doors are arranged and located on the two sides of the top of the box body respectively; a fixing flange is arranged on the outer circumference of the box body between the two air-tight doors; the control device is used for controlling the operation of the conveying window. By means of the biological safety-type automatic liquid groove conveying window, the bodyof an operator can be effectively prevented from contacting the disinfectant, and the window has better airtightness and is suitable for a biological safety facility with high airtightness demands.

The invention discloses a biological safety type liquid tank transfer window. The biological safety type liquid tank transfer window comprises a tank body, a transfer basket, airtight doors and gear transmission mechanisms, wherein a top plate is arranged at the top of the tank body; transfer openings are formed in the two sides of the top plate; the airtight doors are arranged on the transfer openings; two transmission shafts are arranged on the top plate on the inner sides of the two transfer openings; the end parts of the two transmission shafts are rotationally connected and fixed on mounting plates on the two sides of the tank body; two connecting rods are further arranged in the tank body; the end parts of the two connecting rods are rotationally connected with the mounting plates; the gear transmission mechanisms for connecting the transmission rods with the connecting rods are mounted on the mounting plates; when the airtight doors are opened and closed, the transmission shafts are driven to rotate through pressing plates, and the transmission shafts rotate to drive the connecting rods to rotate through the transmission of the gear transmission mechanisms; and the transfer basket in the tank body is connected with the two connecting rods through swing arms. According to the biological safety type liquid tank transfer window, objects can be transmitted in a liquid tank through the transfer basket, so that the limbs of an operator are effectively prevented from being in contact with a disinfectant; and the biological safety type liquid tank transfer window has good air tightness and is suitable for biological safety facilities with high air tightness requirements.

The invention provides an electropolishing device for inner wall of stainless steel pipe, the upper end of the device is provided with a copper anode unit frame, the copper anode unit frame has an inclination angle of 5 to 15 degrees, and extension steel pipes are connected to both ends of a steel pipe, the left end of the extension steel pipe at the left end is provided with an electrolyte distributor, the electrolyte distributor is connected with a high-lift centrifugal pump through a pipeline, the right end opening of the extension steel pipe at the right end is connected with a collector,a flexible cathode is arranged in the steel pipe, a return pipe connected with an electrolyte tank is arranged at the bottom of the collector, a pressure relief pipeline is arranged between the upperend of the electrolyte tank and the outlet of the high-lift centrifugal pump, and a fully automatic control host and a high frequency pulse rectifier are arranged at the bottom of the right side of the copper anode unit frame. The device has compact structure, small floor space, high processing efficiency, good processing quality, convenient assembly and disassembly of components, long service life of the device and good economic benefits.

The invention discloses a fish boiling operation platform. The fish boiling operation platform comprises a first operation platform body, a second operation platform body, a back baffle, a cooking device and a top plate. The cooking device is arranged in a space defined by the first operation platform body, the second operation platform body and the back baffle. The first operation platform body comprises a first storage cabinet located on the lower portion, a first storage rack connecting the first storage cabinet and the top plate, an uncooked food turnover cabinet arranged on the top face of the first operation platform body, and a packaging operation platform top which is arranged on the top face of the first operation platform body and located on the outer side of the uncooked food turnover cabinet. The second operation platform body comprises a second storage cabinet located on the lower portion, a second storage rack connecting the second storage cabinet and the top plate, and a side dish storage cabinet arranged on the top face of the second operation platform body. The second storage rack is provided with ingredient placement partition layers. The fish boiling operation platform has the advantages of being beneficial to occupational health of an operator and capable of protecting the physical health of the operator.

The invention provides an anchor chain welding gear system. According to the technical scheme, mechanical equipment is adopted to play a role in bearing and conveying a chain, and a chain turnover mechanism is additionally arranged on a conveying path. Specifically, a clamping and fixing mechanism is arranged in the roller to fix the part, penetrating through the roller, of the chain; and on the basis, a motor is used for driving the roller to rotate, so that the automatic overturning function of the chain is achieved. Based on the function, manual overturning operation can be omitted, labor intensity is reduced, and higher operation efficiency is achieved. Meanwhile, based on the platform type structure, an operator can work in a sitting posture or a standing posture, comfort is better, and occupational health is facilitated. Besides, due to the structural characteristics of the device, the welding positions can be concentrated in a fixed area, and welding fume can be conveniently limited and collected.